tag suggestion

prevent adding two empty tags
dependency update
2025-03-09 12:09:33 -07:00 · 2025-03-08 15:34:25 -08:00 · 2025-03-08 15:27:57 -08:00 · 2025-03-08 15:16:58 -08:00 · 2024-11-18 19:29:51 -08:00 · 2024-07-02 11:43:24 -07:00
272 changed files with 5562 additions and 11515 deletions
--- a/.github/workflows/watchdiff.yml
+++ b/.github/workflows/watchdiff.yml
@@ -1,23 +0,0 @@
 # This is a basic workflow that is manually triggered
 name: Watch hitomi.la file changes
 on:
  schedule:
    - cron: "*/10 * * * *"
 jobs:
  watchdiff:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          ref: watchdiff
      - name: Download files
        run: ./fetch.sh
      - name: Commit and Push
        id: push
        run: |
            git config --global user.name 'Watchdiff bot'
            git config --global user.email 'tom5079@naver.com'
            { git add . && git commit -m "File update" && git push; } | tail -1 | grep -q "nothing to commit"
--- a/.gitignore
+++ b/.gitignore
@@ -1,20 +1,33 @@
 # Gradle files
 .gradle/
 build/
 # Local configuration file (sdk path, etc)
 local.properties
 # Log/OS Files
 *.log
 # Android Studio generated files and folders
 captures/
 .externalNativeBuild/
 .cxx/
 *.apk
 output.json
 # IntelliJ
 *.iml
-.gradle
+.idea/
-/local.properties
+misc.xml
-/.idea/caches
+deploymentTargetDropDown.xml
-/.idea/libraries
+render.experimental.xml
 /.idea/modules.xml
 /.idea/workspace.xml
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
 .DS_Store
 /build
 /captures
 .externalNativeBuild
-#Github pages
+# Keystore files
-/gh-pages
+*.jks
 *.keystore
-#Private files
+# Google Services (e.g. APIs or Firebase)
-**/google-services.json
+google-services.json
-**/credentials.json
+
 # Android Profiling
 *.hprof
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,139 +0,0 @@
 <component name="ProjectCodeStyleConfiguration">
  <code_scheme name="Project" version="173">
    <option name="RIGHT_MARGIN" value="120" />
    <JetCodeStyleSettings>
      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
        <value>
          <package name="java.util" alias="false" withSubpackages="false" />
          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
          <package name="io.ktor" alias="false" withSubpackages="true" />
        </value>
      </option>
      <option name="PACKAGES_IMPORT_LAYOUT">
        <value>
          <package name="" alias="false" withSubpackages="true" />
          <package name="java" alias="false" withSubpackages="true" />
          <package name="javax" alias="false" withSubpackages="true" />
          <package name="kotlin" alias="false" withSubpackages="true" />
          <package name="" alias="true" withSubpackages="true" />
        </value>
      </option>
      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
    </JetCodeStyleSettings>
    <codeStyleSettings language="XML">
      <indentOptions>
        <option name="CONTINUATION_INDENT_SIZE" value="4" />
      </indentOptions>
      <arrangement>
        <rules>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>xmlns:android</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>xmlns:.*</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
              <order>BY_NAME</order>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*:id</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*:name</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>name</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>style</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
              <order>BY_NAME</order>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
              <order>ANDROID_ATTRIBUTE_ORDER</order>
            </rule>
          </section>
          <section>
            <rule>
              <match>
                <AND>
                  <NAME>.*</NAME>
                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>.*</XML_NAMESPACE>
                </AND>
              </match>
              <order>BY_NAME</order>
            </rule>
          </section>
        </rules>
      </arrangement>
    </codeStyleSettings>
    <codeStyleSettings language="kotlin">
      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
    </codeStyleSettings>
  </code_scheme>
 </component>
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -1,5 +0,0 @@
 <component name="ProjectCodeStyleConfiguration">
  <state>
    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
  </state>
 </component>
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="CompilerConfiguration">
    <bytecodeTargetLevel target="11" />
  </component>
 </project>
--- a/.idea/copyright/GPL.xml
+++ b/.idea/copyright/GPL.xml
@@ -1,6 +0,0 @@
 <component name="CopyrightManager">
  <copyright>
    <option name="notice" value="    Pupil, Hitomi.la viewer for Android&#10;    Copyright (C) &amp;#36;today.year  tom5079&#10;&#10;    This program is free software: you can redistribute it and/or modify&#10;    it under the terms of the GNU General Public License as published by&#10;    the Free Software Foundation, either version 3 of the License, or&#10;    (at your option) any later version.&#10;&#10;    This program is distributed in the hope that it will be useful,&#10;    but WITHOUT ANY WARRANTY; without even the implied warranty of&#10;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the&#10;    GNU General Public License for more details.&#10;&#10;    You should have received a copy of the GNU General Public License&#10;    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;." />
    <option name="myName" value="GPL" />
  </copyright>
 </component>
--- a/.idea/copyright/profiles_settings.xml
+++ b/.idea/copyright/profiles_settings.xml
@@ -1,7 +0,0 @@
 <component name="CopyrightManager">
  <settings>
    <module2copyright>
      <element module="Project Files" copyright="GPL" />
    </module2copyright>
  </settings>
 </component>
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@@ -1,17 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="deploymentTargetDropDown">
    <targetSelectedWithDropDown>
      <Target>
        <type value="QUICK_BOOT_TARGET" />
        <deviceKey>
          <Key>
            <type value="VIRTUAL_DEVICE_PATH" />
            <value value="$USER_HOME$/.android/avd/Pixel_2_API_31.avd" />
          </Key>
        </deviceKey>
      </Target>
    </targetSelectedWithDropDown>
    <timeTargetWasSelectedWithDropDown value="2022-01-24T19:40:46.041035Z" />
  </component>
 </project>
--- a/.idea/dictionaries/tom50.xml
+++ b/.idea/dictionaries/tom50.xml
@@ -1,7 +0,0 @@
 <component name="ProjectDictionaryState">
  <dictionary name="tom50">
    <words>
      <w>hitomi</w>
    </words>
  </dictionary>
 </component>
--- a/.idea/encodings.xml
+++ b/.idea/encodings.xml
@@ -1,4 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
 </project>
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,22 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="GradleMigrationSettings" migrationVersion="1" />
  <component name="GradleSettings">
    <option name="linkedExternalProjectsSettings">
      <GradleProjectSettings>
        <option name="testRunner" value="GRADLE" />
        <option name="distributionType" value="DEFAULT_WRAPPED" />
        <option name="externalProjectPath" value="$PROJECT_DIR$" />
        <option name="gradleHome" value="/usr/share/java/gradle" />
        <option name="gradleJvm" value="11" />
        <option name="modules">
          <set>
            <option value="$PROJECT_DIR$" />
            <option value="$PROJECT_DIR$/app" />
          </set>
        </option>
        <option name="resolveModulePerSourceSet" value="false" />
      </GradleProjectSettings>
    </option>
  </component>
 </project>
--- a/.idea/inspectionProfiles/Project_Default.xml
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -1,6 +0,0 @@
 <component name="InspectionProjectProfileManager">
  <profile version="1.0">
    <option name="myName" value="Project Default" />
    <inspection_tool class="AndroidLintNewerVersionAvailable" enabled="true" level="WARNING" enabled_by_default="true" />
  </profile>
 </component>
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -1,90 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="RemoteRepositoriesConfiguration">
    <remote-repository>
      <option name="id" value="central" />
      <option name="name" value="Maven Central repository" />
      <option name="url" value="https://repo1.maven.org/maven2" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="jboss.community" />
      <option name="name" value="JBoss Community repository" />
      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven2" />
      <option name="name" value="maven2" />
      <option name="url" value="http://guardian.github.com/maven/repo-releases" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="BintrayJCenter" />
      <option name="name" value="BintrayJCenter" />
      <option name="url" value="https://jcenter.bintray.com/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven" />
      <option name="name" value="maven" />
      <option name="url" value="https://jitpack.io" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="Google" />
      <option name="name" value="Google" />
      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="MavenRepo" />
      <option name="name" value="MavenRepo" />
      <option name="url" value="https://repo.maven.apache.org/maven2/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven2" />
      <option name="name" value="maven2" />
      <option name="url" value="https://guardian.github.com/maven/repo-releases" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven3" />
      <option name="name" value="maven3" />
      <option name="url" value="https://s3.amazonaws.com/fabric-artifacts-private/internal-snapshots" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven4" />
      <option name="name" value="maven4" />
      <option name="url" value="https://maven.fabric.io/public" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="MavenLocal" />
      <option name="name" value="MavenLocal" />
      <option name="url" value="file:/$USER_HOME$/.m2/repository/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="MavenLocal" />
      <option name="name" value="MavenLocal" />
      <option name="url" value="file:/$USER_HOME$/.m2/repository" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven3" />
      <option name="name" value="maven3" />
      <option name="url" value="https://dl.bintray.com/tom5079/maven" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven3" />
      <option name="name" value="maven3" />
      <option name="url" value="http://dl.bintray.com/piasy/maven" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven2" />
      <option name="name" value="maven2" />
      <option name="url" value="https://guardian.github.io/maven/repo-releases/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="MavenLocal" />
      <option name="name" value="MavenLocal" />
      <option name="url" value="file:$USER_HOME$/.m2/repository/" />
    </remote-repository>
    <remote-repository>
      <option name="id" value="maven2" />
      <option name="name" value="maven2" />
      <option name="url" value="https://oss.sonatype.org/content/repositories/snapshots" />
    </remote-repository>
  </component>
 </project>
--- a/.idea/kotlinCodeInsightSettings.xml
+++ b/.idea/kotlinCodeInsightSettings.xml
@@ -1,7 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="KotlinCodeInsightWorkspaceSettings">
    <option name="addUnambiguousImportsOnTheFly" value="true" />
    <option name="optimizeImportsOnTheFly" value="true" />
  </component>
 </project>
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="Kotlin2JvmCompilerArguments">
    <option name="jvmTarget" value="1.8" />
  </component>
 </project>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,17 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="DesignSurface">
    <option name="filePathToZoomLevelMap">
      <map>
        <entry key="../../../../layout/custom_preview.xml" value="0.2564814814814815" />
        <entry key="app/src/main/res/layout/reader_activity.xml" value="0.14351851851851852" />
      </map>
    </option>
  </component>
  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
    <output url="file://$PROJECT_DIR$/build/classes" />
  </component>
  <component name="ProjectType">
    <option name="id" value="Android" />
  </component>
 </project>
--- a/.idea/scopes/Pupil.xml
+++ b/.idea/scopes/Pupil.xml
@@ -1,3 +0,0 @@
 <component name="DependencyValidationManager">
  <scope name="Pupil" pattern="file[app]:*/" />
 </component>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,6 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
  <component name="VcsDirectoryMappings">
    <mapping directory="" vcs="Git" />
  </component>
 </project>
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 *Pupil, Hitomi.la viewer for Android*  
 ![](https://img.shields.io/github/downloads/tom5079/Pupil/total)  
-[![](https://img.shields.io/github/downloads/tom5079/Pupil/5.2.20/Pupil-v5.2.20.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.2.20/Pupil-v5.2.20.apk)  
+[![](https://img.shields.io/github/downloads/tom5079/Pupil/5.3.8-hotfix1/Pupil-v5.3.8-hotfix1.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.3.8-hotfix1/Pupil-v5.3.8-hotfix1.apk)  
 [![](https://discordapp.com/api/guilds/610452916612104194/embed.png?style=banner2)](https://discord.gg/Stj4b5v)
 # Features
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,141 +0,0 @@
 apply plugin: "com.android.application"
 apply plugin: "kotlin-android"
 apply plugin: "kotlin-kapt"
 apply plugin: "kotlin-parcelize"
 apply plugin: "kotlinx-serialization"
 apply plugin: "com.google.android.gms.oss-licenses-plugin"
 if (file("google-services.json").exists()) {
    logger.lifecycle("Firebase Enabled")
    apply plugin: "com.google.gms.google-services"
    apply plugin: "com.google.firebase.crashlytics"
    apply plugin: "com.google.firebase.firebase-perf"
 } else {
    logger.lifecycle("Firebase Disabled")
 }
 ext {
    okhttp_version = "3.12.12"
 }
 configurations {
    all {
        resolutionStrategy {
            eachDependency { DependencyResolveDetails details ->
                if (details.requested.group == "com.squareup.okhttp3" && details.requested.name == "okhttp") {
                    // OkHttp drops support before 5.0 since 3.13.0
                    details.useVersion okhttp_version
                }
            }
        }
    }
 }
 android {
    compileSdkVersion 31
    defaultConfig {
        applicationId "xyz.quaver.pupil"
        minSdkVersion 16
        targetSdkVersion 31
        versionCode 69
        versionName "5.2.21"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary = true
    }
    buildTypes {
        debug {
            defaultConfig.minSdkVersion 21
            minifyEnabled false
            shrinkResources false
            debuggable true
            applicationIdSuffix ".debug"
            versionNameSuffix "-DEBUG"
            ext.enableCrashlytics = false
            ext.alwaysUpdateBuildId = false
        }
        release {
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
        }
    }
    buildFeatures {
        viewBinding true
    }
    kotlinOptions {
        jvmTarget = JavaVersion.VERSION_1_8.toString()
        freeCompilerArgs += "-Xuse-experimental=kotlin.Experimental"
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
 }
 dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar", "*.aar"])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0"
    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2"
    implementation "androidx.appcompat:appcompat:1.4.0"
    implementation "androidx.activity:activity-ktx:1.4.0"
    implementation "androidx.fragment:fragment-ktx:1.4.0"
    implementation "androidx.preference:preference-ktx:1.1.1"
    implementation "androidx.recyclerview:recyclerview:1.2.1"
    implementation "androidx.constraintlayout:constraintlayout:2.1.2"
    implementation "androidx.gridlayout:gridlayout:1.0.0"
    implementation "androidx.biometric:biometric:1.1.0"
    implementation "androidx.work:work-runtime-ktx:2.7.1"
    implementation 'androidx.webkit:webkit:1.4.0'
    implementation "com.daimajia.swipelayout:library:1.2.0@aar"
    implementation "com.google.android.material:material:1.4.0"
    implementation platform('com.google.firebase:firebase-bom:29.0.3')
    implementation "com.google.firebase:firebase-analytics-ktx"
    implementation "com.google.firebase:firebase-crashlytics-ktx"
    implementation "com.google.firebase:firebase-perf-ktx"
    implementation "com.google.android.gms:play-services-oss-licenses:17.0.0"
    implementation "com.google.android.gms:play-services-mlkit-face-detection:16.2.1"
    implementation "com.github.clans:fab:1.6.4"
    //implementation "com.quiph.ui:recyclerviewfastscroller:0.2.1"
    implementation 'com.github.piasy:BigImageViewer:1.8.1'
    implementation 'com.github.piasy:FrescoImageLoader:1.8.1'
    implementation 'com.github.piasy:FrescoImageViewFactory:1.8.1'
    implementation 'com.facebook.fresco:imagepipeline-okhttp3:2.6.0'
    //noinspection GradleDependency
    implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
    implementation "com.tbuonomo.andrui:viewpagerdotsindicator:4.1.2"
    implementation "net.rdrei.android.dirchooser:library:3.2@aar"
    implementation "com.gu:option:1.3"
    implementation "com.andrognito.patternlockview:patternlockview:1.0.0"
    //implementation "com.andrognito.pinlockview:pinlockview:2.1.0"
    implementation "ru.noties.markwon:core:3.1.0"
    implementation "org.jsoup:jsoup:1.14.3"
    implementation "xyz.quaver:documentfilex:0.7.2"
    implementation "xyz.quaver:floatingsearchview:1.1.7"
    testImplementation "junit:junit:4.13.2"
    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.0"
    androidTestImplementation "androidx.test.ext:junit:1.1.3"
    androidTestImplementation "androidx.test:rules:1.4.0"
    androidTestImplementation "androidx.test:runner:1.4.0"
    androidTestImplementation "androidx.test.espresso:espresso-core:3.4.0"
 }
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -0,0 +1,95 @@
 plugins {
    alias(libs.plugins.org.jetbrains.kotlin.android)
    alias(libs.plugins.android.application)
    alias(libs.plugins.compose.compiler)
    alias(libs.plugins.googleServices)
    alias(libs.plugins.ksp)
    alias(libs.plugins.hilt)
    alias(libs.plugins.kotlinx.serialization)
    alias(libs.plugins.crashlytics)
 }
 android {
    namespace = "xyz.quaver.pupil"
    defaultConfig {
        applicationId = "xyz.quaver.pupil"
        minSdk = libs.versions.android.minSdk.get().toInt()
        compileSdk = libs.versions.android.compileSdk.get().toInt()
        targetSdk = libs.versions.android.targetSdk.get().toInt()
        versionCode = 69
        versionName = "6.0.0"
        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        getByName("debug") {
            isMinifyEnabled = false
            isShrinkResources = false
            isDebuggable = true
            applicationIdSuffix = ".debug"
            versionNameSuffix = "-DEBUG"
            ext.set("enableCrashlytics", false)
            ext.set("alwaysUpdateBuildId", false)
        }
        getByName("release") {
            isMinifyEnabled = true
            isShrinkResources = true
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }
    buildFeatures {
        compose = true
    }
    compileOptions {
        isCoreLibraryDesugaringEnabled = true
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }
    kotlinOptions {
        jvmTarget = "17"
    }
 }
 dependencies {
    coreLibraryDesugaring(libs.android.desugaring)
    implementation(libs.kotlinx.serialization)
    implementation(libs.kotlinx.coroutines)
    implementation(libs.kotlinx.datetime)
    implementation(libs.androidx.core)
    implementation(libs.androidx.activity)
    implementation(libs.androidx.activity.compose)
    implementation(libs.androidx.lifecycle.runtime.compose)
    implementation(libs.androidx.navigation.compose)
    implementation(platform(libs.androidx.compose.bom))
    implementation(libs.androidx.compose.material3)
    implementation(libs.androidx.compose.material3.windowSizeClass)
    implementation(libs.androidx.compose.foundation)
    debugImplementation(libs.androidx.compose.ui.tooling)
    implementation(libs.androidx.compose.ui.tooling.preview)
    implementation(libs.androidx.compose.material.icons.extended)
    implementation(libs.androidx.room.runtime)
    ksp(libs.androidx.room.compiler)
    implementation(libs.accompanist.adaptive)
    implementation(libs.coil)
    implementation(platform(libs.firebase.bom))
    implementation(libs.firebase.analytics)
    implementation(libs.firebase.crashlytics)
    implementation(libs.firebase.perf)
    implementation(libs.hilt.android)
    ksp(libs.hilt.compiler)
    implementation(libs.ktor.client)
    implementation(libs.ktor.client.okhttp)
    implementation(libs.documentFileX)
 }
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,6 +1,6 @@
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
+# proguardFiles setting in build.gradle.kts.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
@@ -31,6 +31,5 @@
 -keepclasseswithmembers class xyz.quaver.pupil.** { # <-- change package name to your app's
    kotlinx.serialization.KSerializer serializer(...);
 }
 -keep class xyz.quaver.pupil.ui.fragment.ManageFavoritesFragment
 -keep class xyz.quaver.pupil.ui.fragment.ManageStorageFragment
 -keep class xyz.quaver.pupil.** { *; }
 -dontwarn org.slf4j.impl.StaticLoggerBinder
--- a/app/release/output-metadata.json
+++ b/app/release/output-metadata.json
@@ -12,7 +12,7 @@
      "filters": [],
      "attributes": [],
      "versionCode": 69,
-      "versionName": "5.2.21",
+      "versionName": "6.0.0",
      "outputFile": "app-release.apk"
    }
  ],
--- a/app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt
@@ -20,18 +20,18 @@
 package xyz.quaver.pupil
 import android.os.Build
 import android.util.Log
 import android.webkit.*
 import android.widget.Toast
 import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.platform.app.InstrumentationRegistry
+import kotlinx.coroutines.runBlocking
-import com.google.firebase.crashlytics.FirebaseCrashlytics
+import okhttp3.OkHttpClient
-import kotlinx.coroutines.*
+import okhttp3.Request
 import org.junit.Assert.assertEquals
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import xyz.quaver.pupil.hitomi.*
 import java.util.*
 import java.util.concurrent.TimeUnit
 /**
 * Instrumented test, which will execute on an Android device.
@@ -40,81 +40,144 @@ import xyz.quaver.pupil.hitomi.*
 */
@RunWith(AndroidJUnit4::class)
 class ExampleInstrumentedTest {
 //    @Before
 //    fun init() {
 //        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
 //    }
    @Before
    fun init() {
-        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        clientBuilder = OkHttpClient.Builder()
            .readTimeout(0, TimeUnit.SECONDS)
            .writeTimeout(0, TimeUnit.SECONDS)
            .callTimeout(0, TimeUnit.SECONDS)
            .connectTimeout(0, TimeUnit.SECONDS)
            .addInterceptor { chain ->
                val request = chain.request().newBuilder()
                    .header("Referer", "https://hitomi.la/")
                    .build()
-        runBlocking {
+                chain.proceed(request)
            withContext(Dispatchers.Main) {
                initWebView(appContext)
            }
            }
    }
    @Test
-    fun test_getGalleryIDsFromNozomi() {
+    fun test_empty() {
-        runBlocking {
+        print(
-            val result = getGalleryIDsFromNozomi(null, "boten", "all")
+            "".trim()
-
+                .replace(Regex("""^\?"""), "")
-            Log.d("PUPILD", "getGalleryIDsFromNozomi: ${result.size}")
+                .lowercase(Locale.getDefault())
                .split(Regex("\\s+"))
                .map {
                    it.replace('_', ' ')
                })
    }
    @Test
    fun test_nozomi() {
        val nozomi = getGalleryIDsFromNozomi(null, "index", "all")
        Log.d("PUPILD", nozomi.size.toString())
    }
    @Test
-    fun test_getGalleryIDsForQuery() {
+    fun test_search() {
-        runBlocking {
+        val ids = getGalleryIDsForQuery("language:korean").reversed()
            val result = getGalleryIDsForQuery("female:crotch tattoo")
-            Log.d("PUPILD", "getGalleryIDsForQuery: ${result.size}")
+        print(ids.size)
        }
    }
    @Test
-    fun test_getSuggestionsForQuery() {
+    fun test_suggestions() {
-        runBlocking {
+        val suggestions = getSuggestionsForQuery("language:g")
            val result = getSuggestionsForQuery("fem")
-            Log.d("PUPILD", "getSuggestionsForQuery: ${result.size}")
+        print(suggestions)
        }
    }
    @Test
-    fun test_urlFromUrlFromHash() {
+    fun test_doSearch() {
-        runBlocking {
+        val r = runBlocking {
-            val galleryInfo = getGalleryInfo(2102416)
+            doSearch("language:korean")
            val result = galleryInfo.files.map {
                imageUrlFromImage(2102416, it, false)
        }
-            Log.d("PUPILD", result.toString())
+        Log.d("PUPILD", r.take(10).toString())
        }
    }
 //    @Test
 //    fun test_getBlock() {
 //        val galleryBlock = getGalleryBlock(2097576)
 //
 //        print(galleryBlock)
 //    }
 //
 //    @Test
 //    fun test_getGallery() {
 //        val gallery = getGallery(2097751)
 //
 //        print(gallery)
 //    }
    @Test
    fun test_getGalleryInfo() {
-        runBlocking {
+        val info = getGalleryInfo(1469394)
            val galleryInfo = getGalleryInfo(2102416)
-            Log.d("PUPILD", galleryInfo.toString())
+        print(info)
        }
    }
    @Test
-    fun test_getGallery() {
+    fun test_getReader() {
-        runBlocking {
+        val reader = getGalleryInfo(2128654)
            val gallery = getGallery(2109479)
-            Log.d("PUPILD", gallery.toString())
+        Log.d("PUPILD", reader.toString())
        }
    }
    @Test
-    fun test_getGalleryBlock() {
+    fun test_getImages() { runBlocking {
-        runBlocking {
+        val galleryID = 2128654
            val block = getGalleryBlock(2119310)
-            Log.d("PUPILD", block.toString())
+        val images = getGalleryInfo(galleryID).files.map {
-        }
+            imageUrlFromImage(galleryID, it,false)
        }
        Log.d("PUPILD", images.toString())
 //        images.forEachIndexed { index, image ->
 //            println("Testing $index/${images.size}: $image")
 //            val response = client.newCall(
 //                Request.Builder()
 //                    .url(image)
 //                    .header("Referer", "https://hitomi.la/")
 //                    .build()
 //            ).execute()
 //
 //            assertEquals(200, response.code())
 //
 //            println("$index/${images.size} Passed")
 //        }
    } }
 //    @Test
 //    fun test_urlFromUrlFromHash() {
 //        val url = urlFromUrlFromHash(1531795, GalleryFiles(
 //            212, "719d46a7556be0d0021c5105878507129b5b3308b02cf67f18901b69dbb3b5ef", 1, "00.jpg", 300
 //        ), "webp")
 //
 //        print(url)
 //    }
 //    @Test
 //    suspend fun test_doSearch_extreme() {
 //        val query = "language:korean -tag:sample -female:humiliation -female:diaper -female:strap-on -female:squirting -female:lizard_girl -female:voyeurism -type:artistcg -female:blood -female:ryona -male:blood -male:ryona -female:crotch_tattoo -male:urethra_insertion -female:living_clothes -male:tentacles -female:slave -female:gag -male:gag -female:wooden_horse -male:exhibitionism -male:miniguy -female:mind_break -male:mind_break -male:unbirth -tag:scanmark -tag:no_penetration -tag:nudity_only -female:enema -female:brain_fuck -female:navel_fuck -tag:novel -tag:mosaic_censorship -tag:webtoon -male:rape -female:rape -female:yuri -male:anal -female:anal -female:futanari -female:huge_breasts -female:big_areolae -male:torture -male:stuck_in_wall -female:stuck_in_wall -female:torture -female:birth -female:pregnant -female:drugs -female:bdsm -female:body_writing -female:cbt -male:dark_skin -male:insect -female:insect -male:vore -female:vore -female:vomit -female:urination -female:urethra_insertion -tag:mmf_threesome -female:sex_toys -female:double_penetration -female:eggs -female:prolapse -male:smell -male:bestiality -female:bestiality -female:big_ass -female:milf -female:mother -male:dilf -male:netorare -female:netorare -female:cosplaying -female:filming -female:armpit_sex -female:armpit_licking -female:tickling -female:lactation -male:skinsuit -female:skinsuit -male:bbm -female:prostitution -female:double_penetration -female:females_only -male:males_only -female:tentacles -female:tentacles -female:stomach_deformation -female:hairy_armpits -female:large_insertions -female:mind_control -male:orc -female:dark_skin -male:yandere -female:yandere -female:scat -female:toddlercon -female:bbw -female:hairy -male:cuntboy -male:lactation -male:drugs -female:body_modification -female:monoeye -female:chikan -female:long_tongue -female:harness -female:fisting -female:glory_hole -female:latex -male:latex -female:unbirth -female:giantess -female:sole_dickgirl -female:robot -female:doll_joints -female:machine -tag:artbook -male:cbt -female:farting -male:farting -male:midget -female:midget -female:exhibitionism  -male:monster -female:big_nipples -female:big_clit -female:gyaru -female:piercing -female:necrophilia -female:snuff -female:smell -male:cheating -female:cheating -male:snuff -female:harem -male:harem"
 //        print(doSearch(query).size)
 //    }
 //    @Test
 //    suspend fun test_parse() {
 //        print(doSearch("-male:yaoi -female:yaoi -female:loli").size)
 //    }
 //    @Test
 //    fun test_subdomainFromUrl() {
 //        val galleryInfo = getGalleryInfo(1929109).files[2]
 //        print(urlFromUrlFromHash(1929109, galleryInfo, "webp", null, "a"))
 //    }
 }
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:tools="http://schemas.android.com/tools" >
    package="xyz.quaver.pupil">
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
@@ -11,6 +10,8 @@
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.VIBRATE"/>
    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
    <uses-permission android:name="android.permission.RUN_USER_INITIATED_JOBS" />
    <uses-feature android:name="android.hardware.camera" android:required="false" />
    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />
@@ -23,9 +24,7 @@
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        android:networkSecurityConfig="@xml/network_security_config"
        tools:replace="android:theme"
        tools:ignore="UnusedAttribute" >
        <meta-data
@@ -44,187 +43,15 @@
        </provider>
-        <service android:name=".services.DownloadService"
+        <service android:name=".services.ImageCacheService"
            android:permission="android.permission.BIND_JOB_SERVICE"
            android:exported="false" />
        <receiver
            android:name=".receiver.UpdateBroadcastReceiver"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.DOWNLOAD_COMPLETE" />
            </intent-filter>
        </receiver>
        <activity android:name=".ui.LockActivity" />
        <activity
            android:name=".ui.ReaderActivity"
            android:configChanges="keyboardHidden|orientation|screenSize"
            android:parentActivityName=".ui.MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/galleries"
                    android:scheme="http" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/manga"
                    android:scheme="http" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/doujinshi"
                    android:scheme="http" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/cg"
                    android:scheme="http" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/reader"
                    android:scheme="http" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/galleries"
                    android:scheme="https" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/manga"
                    android:scheme="https" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/doujinshi"
                    android:scheme="https" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/cg"
                    android:scheme="https" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hitomi.la"
                    android:pathPrefix="/reader"
                    android:scheme="https" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hiyobi.me"
                    android:scheme="http"
                    android:pathPrefix="/reader" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="hiyobi.me"
                    android:pathPrefix="/reader"
                    android:scheme="https" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="e-hentai.org"
                    android:pathPrefix="/g"
                    android:scheme="http" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="e-hentai.org"
                    android:pathPrefix="/g"
                    android:scheme="https" />
            </intent-filter>
        </activity>
        <activity
            android:name=".ui.SettingsActivity"
            android:label="@string/settings_title">
            <tools:validation testUrl="http://ix.io/eer" />
        </activity>
        <activity
            android:name=".ui.MainActivity"
            android:configChanges="keyboardHidden|orientation|screenSize"
-            android:theme="@style/NoActionBarAppTheme"
+            android:theme="@android:style/Theme.Material.Light.NoActionBar"
            android:windowSoftInputMode="adjustResize"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
@@ -232,19 +59,7 @@
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:scheme="http"
                    android:host="ix.io"
                    android:pathPattern="/..*" />
            </intent-filter>
        </activity>
        <activity android:name="net.rdrei.android.dirchooser.DirectoryChooserActivity" />
    </application>
 </manifest>
--- a/app/src/main/java/xyz/quaver/pupil/Pupil.kt
+++ b/app/src/main/java/xyz/quaver/pupil/Pupil.kt
@@ -18,7 +18,6 @@
 package xyz.quaver.pupil
 import android.annotation.SuppressLint
 import android.app.Application
 import android.app.Notification
 import android.app.NotificationChannel
@@ -27,300 +26,16 @@ import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
-import android.util.Log
+import com.google.firebase.FirebaseApp
 import android.webkit.*
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.content.ContextCompat
 import androidx.preference.PreferenceManager
 import androidx.webkit.WebViewCompat
 import com.facebook.imagepipeline.backends.okhttp3.OkHttpImagePipelineConfigFactory
 import com.github.piasy.biv.BigImageViewer
 import com.github.piasy.biv.loader.fresco.FrescoImageLoader
 import com.google.android.gms.common.GooglePlayServicesNotAvailableException
 import com.google.android.gms.common.GooglePlayServicesRepairableException
 import com.google.android.gms.security.ProviderInstaller
 import com.google.firebase.crashlytics.FirebaseCrashlytics
-import kotlinx.coroutines.*
+import dagger.hilt.android.HiltAndroidApp
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
 import okhttp3.*
 import xyz.quaver.io.FileX
-import xyz.quaver.pupil.hitomi.evaluationContext
+import java.util.UUID
 import xyz.quaver.pupil.types.JavascriptException
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.util.*
 import java.io.File
 import java.net.URL
 import java.util.*
 import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
 import kotlin.reflect.KClass
 typealias PupilInterceptor = (Interceptor.Chain) -> Response
 lateinit var histories: SavedSet<Int>
    private set
 lateinit var favorites: SavedSet<Int>
    private set
 lateinit var favoriteTags: SavedSet<Tag>
    private set
 lateinit var searchHistory: SavedSet<String>
    private set
 val interceptors = mutableMapOf<KClass<out Any>, PupilInterceptor>()
 lateinit var clientBuilder: OkHttpClient.Builder
 var clientHolder: OkHttpClient? = null
 val client: OkHttpClient
    get() = clientHolder ?: clientBuilder.build().also {
        clientHolder = it
    }
@SuppressLint("StaticFieldLeak")
 lateinit var webView: WebView
 val _webViewFlow = MutableSharedFlow<Pair<String, String?>>()
 val webViewFlow = _webViewFlow.asSharedFlow()
 var webViewReady = false
 var webViewFailed = false
 var oldWebView = false
 private var reloadJob: Job? = null
 fun reloadWebView() {
    if (reloadJob?.isActive == true) return
    reloadJob = CoroutineScope(Dispatchers.IO).launch {
        webViewReady = false
        webViewFailed = false
        oldWebView = false
        evaluationContext.cancelChildren(CancellationException("reload"))
        runCatching {
            URL(
                if (BuildConfig.DEBUG)
                    "https://tom5079.github.io/PupilSources/hitomi-dev.html"
                else
                    "https://tom5079.github.io/PupilSources/hitomi.html"
            ).readText()
        }.onFailure {
            webViewFailed = true
        }.getOrNull()?.let { html ->
            launch(Dispatchers.Main) {
                webView.loadDataWithBaseURL(
                    "https://hitomi.la/",
                    html,
                    "text/html",
                    null,
                    null
                )
            }
        }
    }
 }
 private var htmlVersion: String = ""
 fun reloadWhenFailedOrUpdate() = CoroutineScope(Dispatchers.Default).launch {
    while (true) {
        if (
            webViewFailed ||
            runCatching {
                URL(
                    if (BuildConfig.DEBUG)
                        "https://tom5079.github.io/PupilSources/hitomi-dev.html.ver"
                    else
                        "https://tom5079.github.io/PupilSources/hitomi.html.ver"
                ).readText()
            }.getOrNull().let { version ->
                (!version.isNullOrEmpty() && version != htmlVersion).also {
                    if (it) htmlVersion = version!!
                }
            }
        ) {
            reloadWebView()
        }
        delay(if (webViewReady && !webViewFailed) 10000 else 1000)
    }
 }
@SuppressLint("SetJavaScriptEnabled")
 fun initWebView(context: Context) {
    if (BuildConfig.DEBUG) WebView.setWebContentsDebuggingEnabled(true)
    webView = WebView(context).apply {
        with (settings) {
            javaScriptEnabled = true
            domStorageEnabled = true
        }
        userAgent = settings.userAgentString
        webViewClient = object: WebViewClient() {
            override fun onPageFinished(view: WebView?, url: String?) {
                webViewReady = true
                webView.evaluateJavascript(
                    """
                    try {
                        new Function('(x => x?.y ?? z)');
                        true;
                    } catch (err) {
                        false;
                    }
                """.trimIndent()
                ) {
                    val es2020: Boolean = Json.decodeFromString(it)
                    oldWebView = !es2020
                }
            }
            override fun onReceivedError(
                view: WebView?,
                request: WebResourceRequest?,
                error: WebResourceError?
            ) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    FirebaseCrashlytics.getInstance().log(
                        "onReceivedError: ${error?.description}"
                    )
                }
            }
        }
        webChromeClient = object: WebChromeClient() {
            override fun onConsoleMessage(consoleMessage: ConsoleMessage?): Boolean {
                FirebaseCrashlytics.getInstance().log(
                    "onConsoleMessage: ${consoleMessage?.message()} (${consoleMessage?.sourceId()}:${consoleMessage?.lineNumber()})"
                )
                return super.onConsoleMessage(consoleMessage)
            }
        }
        addJavascriptInterface(object {
            @JavascriptInterface
            fun onResult(uid: String, result: String) {
                CoroutineScope(Dispatchers.Unconfined).launch {
                    _webViewFlow.emit(uid to result)
                }
            }
            @JavascriptInterface
            fun onError(uid: String, script: String, message: String, stack: String) {
                CoroutineScope(Dispatchers.Unconfined).launch {
                    _webViewFlow.emit(uid to "")
                }
                FirebaseCrashlytics.getInstance().recordException(
                    JavascriptException("onError script: $script\nmessage: $message\nstack: $stack")
                )
            }
        }, "Callback")
    }
    reloadWhenFailedOrUpdate()
 }
 lateinit var userAgent: String
@HiltAndroidApp
 class Pupil : Application() {
    companion object {
        lateinit var instance: Pupil
            private set
    }
    @SuppressLint("SetJavaScriptEnabled")
    override fun onCreate() {
-        instance = this
+        FirebaseApp.initializeApp(this)
        initWebView(this)
        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
        preferences = PreferenceManager.getDefaultSharedPreferences(this)
        val userID = Preferences["user_id", ""].let {  userID ->
            if (userID.isEmpty()) UUID.randomUUID().toString().also { Preferences["user_id"] = it }
            else userID
        }
        FirebaseCrashlytics.getInstance().setUserId(userID)
        val proxyInfo = getProxyInfo()
        clientBuilder = OkHttpClient.Builder()
            .connectTimeout(0, TimeUnit.SECONDS)
            .readTimeout(0, TimeUnit.SECONDS)
            .proxyInfo(proxyInfo)
            .addInterceptor { chain ->
                val request = chain.request().newBuilder()
                    .header("User-Agent", userAgent)
                    .header("Referer", "https://hitomi.la/")
                    .build()
                val tag = request.tag() ?: return@addInterceptor chain.proceed(request)
                interceptors[tag::class]?.invoke(chain) ?: chain.proceed(request)
            }.apply {
                (Preferences.get<String>("max_concurrent_download").toIntOrNull() ?: 0).let {
                    if (it != 0)
                        dispatcher(Dispatcher(Executors.newFixedThreadPool(it)))
                }
            }
        try {
            Preferences.get<String>("download_folder").also {
                if (it.startsWith("content://"))
                    contentResolver.takePersistableUriPermission(
                        Uri.parse(it),
                        Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
                    )
                if (!FileX(this, it).canWrite())
                    throw Exception()
            }
        } catch (e: Exception) {
            Preferences.remove("download_folder")
        }
        if (!Preferences["reset_secure", false]) {
            Preferences["security_mode"] = false
            Preferences["reset_secure"] = true
        }
        histories = SavedSet(File(ContextCompat.getDataDir(this), "histories.json"), 0)
        favorites = SavedSet(File(ContextCompat.getDataDir(this), "favorites.json"), 0)
        favoriteTags = SavedSet(File(ContextCompat.getDataDir(this), "favorites_tags.json"), Tag.parse(""))
        searchHistory = SavedSet(File(ContextCompat.getDataDir(this), "search_histories.json"), "")
        favoriteTags.filter { it.tag.contains('_') }.forEach {
            favoriteTags.remove(it)
        }
        /*
        if (BuildConfig.DEBUG)
            FirebaseAnalytics.getInstance(this).setAnalyticsCollectionEnabled(false)*/
        try {
            ProviderInstaller.installIfNeeded(this)
        } catch (e: GooglePlayServicesRepairableException) {
            e.printStackTrace()
        } catch (e: GooglePlayServicesNotAvailableException) {
            e.printStackTrace()
        }
        BigImageViewer.initialize(
            FrescoImageLoader.with(
                this,
                OkHttpImagePipelineConfigFactory
                    .newBuilder(this, client)
                    .build()
            )
        )
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
@@ -354,12 +69,6 @@ class Pupil : Application() {
            })
        }
        AppCompatDelegate.setDefaultNightMode(when (Preferences.get<Boolean>("dark_mode")) {
            true -> AppCompatDelegate.MODE_NIGHT_YES
            false -> AppCompatDelegate.MODE_NIGHT_NO
        })
        super.onCreate()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/adapters/GalleryBlockAdapter.kt
+++ b/app/src/main/java/xyz/quaver/pupil/adapters/GalleryBlockAdapter.kt
@@ -1,323 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.adapters
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.graphics.drawable.Drawable
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
 import androidx.vectordrawable.graphics.drawable.Animatable2Compat
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
 import com.daimajia.swipe.SwipeLayout
 import com.daimajia.swipe.adapters.RecyclerSwipeAdapter
 import com.daimajia.swipe.interfaces.SwipeAdapterInterface
 import com.github.piasy.biv.loader.ImageLoader
 import kotlinx.coroutines.*
 import xyz.quaver.io.util.getChild
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.GalleryblockItemBinding
 import xyz.quaver.pupil.favoriteTags
 import xyz.quaver.pupil.favorites
 import xyz.quaver.pupil.hitomi.getGallery
 import xyz.quaver.pupil.hitomi.getGalleryInfo
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.ui.view.ProgressCard
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import xyz.quaver.pupil.util.wordCapitalize
 import java.io.File
 class GalleryBlockAdapter(private val galleries: List<Int>) : RecyclerSwipeAdapter<RecyclerView.ViewHolder>(), SwipeAdapterInterface {
    var updateAll = true
    var thin: Boolean = Preferences["thin"]
    inner class GalleryViewHolder(val binding: GalleryblockItemBinding) : RecyclerView.ViewHolder(binding.root) {
        private var galleryID: Int = 0
        init {
            CoroutineScope(Dispatchers.Main).launch {
                while (updateAll) {
                    updateProgress(itemView.context)
                    delay(1000)
                }
            }
        }
        private fun updateProgress(context: Context) = CoroutineScope(Dispatchers.Main).launch {
            with(binding.galleryblockCard) {
                val imageList = Cache.getInstance(context, galleryID).metadata.imageList
                if (imageList == null) {
                    max = 0
                    return@with
                }
                progress = imageList.count { it != null }
                max = imageList.size
                this@GalleryViewHolder.binding.galleryblockId.setOnClickListener {
                    (context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager).setPrimaryClip(
                        ClipData.newPlainText("gallery_id", galleryID.toString())
                    )
                    Toast.makeText(context, R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show()
                }
                type = if (!imageList.contains(null)) {
                    val downloadManager = DownloadManager.getInstance(context)
                    if (downloadManager.getDownloadFolder(galleryID) == null)
                        ProgressCard.Type.CACHE
                    else
                        ProgressCard.Type.DOWNLOAD
                } else
                    ProgressCard.Type.LOADING
            }
        }
        fun bind(galleryID: Int) {
            this.galleryID = galleryID
            updateProgress(itemView.context)
            val cache = Cache.getInstance(itemView.context, galleryID)
            CoroutineScope(Dispatchers.IO).launch {
                val galleryBlock = cache.getGalleryBlock() ?: return@launch
                launch(Dispatchers.Main) {
                    val resources = itemView.context.resources
                    val languages = resources.getStringArray(R.array.languages).map {
                        it.split("|").let { split ->
                            Pair(split[0], split[1])
                        }
                    }.toMap()
                    val artists = galleryBlock.artists
                    val series = galleryBlock.series
                    binding.galleryblockThumbnail.apply {
                        setOnClickListener {
                            itemView.performClick()
                        }
                        setOnLongClickListener {
                            itemView.performLongClick()
                        }
                        setFailureImage(ContextCompat.getDrawable(context, R.drawable.image_broken_variant))
                        setImageLoaderCallback(object: ImageLoader.Callback {
                            override fun onFail(error: Exception?) {
                                Cache.delete(context, galleryID)
                            }
                            override fun onCacheHit(imageType: Int, image: File?) {}
                            override fun onCacheMiss(imageType: Int, image: File?) {}
                            override fun onFinish() {}
                            override fun onProgress(progress: Int) {}
                            override fun onStart() {}
                            override fun onSuccess(image: File?) {}
                        })
                        ssiv?.recycle()
                        CoroutineScope(Dispatchers.IO).launch {
                            cache.getThumbnail().let { launch(Dispatchers.Main) {
                                showImage(it)
                            } }
                        }
                    }
                    binding.galleryblockTitle.text = galleryBlock.title
                    with(binding.galleryblockArtist) {
                        text = artists.joinToString { it.wordCapitalize() }
                        visibility = when {
                            artists.isNotEmpty() -> View.VISIBLE
                            else -> View.GONE
                        }
                        CoroutineScope(Dispatchers.IO).launch {
                            val gallery = runCatching {
                                getGallery(galleryID)
                            }.getOrNull()
                            if (gallery?.groups?.isNotEmpty() != true)
                                return@launch
                            launch(Dispatchers.Main) {
                                text = context.getString(
                                    R.string.galleryblock_artist_with_group,
                                    artists.joinToString { it.wordCapitalize() },
                                    gallery.groups.joinToString { it.wordCapitalize() }
                                )
                            }
                        }
                    }
                    with(binding.galleryblockSeries) {
                        text =
                            resources.getString(
                                R.string.galleryblock_series,
                                series.joinToString(", ") { it.wordCapitalize() })
                        visibility = when {
                            series.isNotEmpty() -> View.VISIBLE
                            else -> View.GONE
                        }
                    }
                    binding.galleryblockType.text = resources.getString(R.string.galleryblock_type, galleryBlock.type).wordCapitalize()
                    with(binding.galleryblockLanguage) {
                        text =
                            resources.getString(R.string.galleryblock_language, languages[galleryBlock.language])
                        visibility = when {
                            !galleryBlock.language.isNullOrEmpty() -> View.VISIBLE
                            else -> View.GONE
                        }
                    }
                    with(binding.galleryblockTagGroup) {
                        onClickListener = {
                            onChipClickedHandler.forEach { callback ->
                                callback.invoke(it)
                            }
                        }
                        tags.clear()
                        CoroutineScope(Dispatchers.IO).launch {
                            tags.addAll(
                                galleryBlock.relatedTags.sortedBy {
                                    val tag = Tag.parse(it)
                                    if (favoriteTags.contains(tag))
                                        -1
                                    else
                                        when(Tag.parse(it).area) {
                                            "female" -> 0
                                            "male" -> 1
                                            else -> 2
                                        }
                                }.map {
                                    Tag.parse(it)
                                }
                            )
                            launch(Dispatchers.Main) {
                                refresh()
                            }
                        }
                    }
                    binding.galleryblockId.text = galleryBlock.id.toString()
                    binding.galleryblockPagecount.text = "-"
                    CoroutineScope(Dispatchers.IO).launch {
                        val pageCount = kotlin.runCatching {
                            getGalleryInfo(galleryBlock.id).files.size
                        }.getOrNull() ?: return@launch
                        withContext(Dispatchers.Main) {
                            binding.galleryblockPagecount.text = itemView.context.getString(R.string.galleryblock_pagecount, pageCount)
                        }
                    }
                    with(binding.galleryblockFavorite) {
                        setImageResource(if (favorites.contains(galleryBlock.id)) R.drawable.ic_star_filled else R.drawable.ic_star_empty)
                        setOnClickListener {
                            when {
                                favorites.contains(galleryBlock.id) -> {
                                    favorites.remove(galleryBlock.id)
                                    setImageResource(R.drawable.ic_star_empty)
                                }
                                else -> {
                                    favorites.add(galleryBlock.id)
                                    setImageDrawable(AnimatedVectorDrawableCompat.create(context, R.drawable.avd_star).apply {
                                        this ?: return@apply
                                        registerAnimationCallback(object: Animatable2Compat.AnimationCallback() {
                                            override fun onAnimationEnd(drawable: Drawable?) {
                                                setImageResource(R.drawable.ic_star_filled)
                                            }
                                        })
                                        start()
                                    })
                                }
                            }
                        }
                    }
                }
            }
            // Make some views invisible to make it thinner
            if (thin) {
                binding.galleryblockTagGroup.visibility = View.GONE
            }
        }
    }
    val onChipClickedHandler = ArrayList<((Tag) -> Unit)>()
    var onDownloadClickedHandler: ((Int) -> Unit)? = null
    var onDeleteClickedHandler: ((Int) -> Unit)? = null
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
        return GalleryViewHolder(GalleryblockItemBinding.inflate(LayoutInflater.from(parent.context), parent, false))
    }
    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
        if (holder is GalleryViewHolder) {
            val galleryID = galleries[position]
            holder.bind(galleryID)
            holder.binding.galleryblockCard.binding.download.setOnClickListener {
                onDownloadClickedHandler?.invoke(position)
            }
            holder.binding.galleryblockCard.binding.delete.setOnClickListener {
                onDeleteClickedHandler?.invoke(position)
            }
            mItemManger.bindView(holder.binding.root, position)
            holder.binding.galleryblockCard.binding.swipeLayout.addSwipeListener(object: SwipeLayout.SwipeListener {
                override fun onStartOpen(layout: SwipeLayout?) {
                    mItemManger.closeAllExcept(layout)
                    holder.binding.galleryblockCard.binding.download.text =
                        if (DownloadManager.getInstance(holder.binding.root.context).isDownloading(galleryID))
                            holder.binding.root.context.getString(android.R.string.cancel)
                        else
                            holder.binding.root.context.getString(R.string.main_download)
                }
                override fun onClose(layout: SwipeLayout?) {}
                override fun onHandRelease(layout: SwipeLayout?, xvel: Float, yvel: Float) {}
                override fun onOpen(layout: SwipeLayout?) {}
                override fun onStartClose(layout: SwipeLayout?) {}
                override fun onUpdate(layout: SwipeLayout?, leftOffset: Int, topOffset: Int) {}
            })
        }
    }
    override fun getItemCount() = galleries.size
    override fun getSwipeLayoutResourceId(position: Int) = R.id.swipe_layout
 }
--- a/app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt
+++ b/app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt
@@ -1,250 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.adapters
 import android.content.Context
 import android.graphics.drawable.Animatable
 import android.net.Uri
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
 import androidx.core.view.updateLayoutParams
 import androidx.recyclerview.widget.RecyclerView
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import com.facebook.drawee.backends.pipeline.Fresco
 import com.facebook.drawee.controller.BaseControllerListener
 import com.facebook.drawee.drawable.ScalingUtils
 import com.facebook.drawee.interfaces.DraweeController
 import com.facebook.drawee.view.SimpleDraweeView
 import com.facebook.imagepipeline.image.ImageInfo
 import com.github.piasy.biv.view.BigImageView
 import com.github.piasy.biv.view.ImageShownCallback
 import com.github.piasy.biv.view.ImageViewFactory
 import kotlinx.coroutines.*
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.ReaderItemBinding
 import xyz.quaver.pupil.hitomi.GalleryInfo
 import xyz.quaver.pupil.ui.ReaderActivity
 import xyz.quaver.pupil.util.downloader.Cache
 import java.io.File
 import kotlin.math.roundToInt
 class ReaderAdapter(
    private val activity: ReaderActivity,
    private val galleryID: Int
 ) : RecyclerView.Adapter<ReaderAdapter.ViewHolder>() {
    var galleryInfo: GalleryInfo? = null
    var isFullScreen = false
    var onItemClickListener : (() -> (Unit))? = null
    inner class ViewHolder(private val binding: ReaderItemBinding) : RecyclerView.ViewHolder(binding.root) {
        init {
            with (binding.image) {
                setImageViewFactory(FrescoImageViewFactory().apply {
                    updateView = { imageInfo ->
                        binding.image.updateLayoutParams<ConstraintLayout.LayoutParams> {
                            dimensionRatio = "${imageInfo.width}:${imageInfo.height}"
                        }
                    }
                })
                setImageShownCallback(object : ImageShownCallback {
                    override fun onMainImageShown() {
                        binding.image.mainView.let { v ->
                            when (v) {
                                is SubsamplingScaleImageView ->
                                    if (!isFullScreen) binding.image.layoutParams.height = ViewGroup.LayoutParams.WRAP_CONTENT
                            }
                        }
                    }
                    override fun onThumbnailShown() {}
                })
                setFailureImage(ContextCompat.getDrawable(itemView.context, R.drawable.image_broken_variant))
                setOnClickListener {
                    onItemClickListener?.invoke()
                }
            }
            binding.root.setOnClickListener {
                onItemClickListener?.invoke()
            }
        }
        fun bind(position: Int) {
            if (cache == null)
                cache = Cache.getInstance(itemView.context, galleryID)
            if (!isFullScreen) {
                binding.root.setBackgroundResource(R.drawable.reader_item_boundary)
                binding.image.updateLayoutParams<ConstraintLayout.LayoutParams> {
                    height = 0
                    dimensionRatio =
                        "${galleryInfo!!.files[position].width}:${galleryInfo!!.files[position].height}"
                }
            } else {
                binding.root.layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT
                binding.image.updateLayoutParams<ConstraintLayout.LayoutParams> {
                    height = ConstraintLayout.LayoutParams.MATCH_PARENT
                    dimensionRatio = null
                }
                binding.root.background = null
            }
            binding.readerIndex.text = (position+1).toString()
            val image = cache!!.getImage(position)
            val progress = activity.downloader?.progress?.get(galleryID)?.get(position)
            if (progress?.isInfinite() == true && image != null) {
                binding.progressGroup.visibility = View.INVISIBLE
                binding.image.showImage(image.uri)
            } else {
                binding.progressGroup.visibility = View.VISIBLE
                binding.readerItemProgressbar.progress =
                    if (progress?.isInfinite() == true)
                        100
                    else
                        progress?.roundToInt() ?: 0
                clear()
                CoroutineScope(Dispatchers.Main).launch {
                    delay(1000)
                    notifyItemChanged(position)
                }
            }
        }
        fun clear() {
            binding.image.mainView.let {
                when (it) {
                    is SubsamplingScaleImageView ->
                        it.recycle()
                    is SimpleDraweeView ->
                        it.controller = null
                }
            }
        }
    }
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        return ViewHolder(ReaderItemBinding.inflate(LayoutInflater.from(parent.context), parent, false))
    }
    private var cache: Cache? = null
    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        holder.bind(position)
    }
    override fun getItemCount() = galleryInfo?.files?.size ?: 0
    override fun onViewRecycled(holder: ViewHolder) {
        holder.clear()
    }
 }
 class FrescoImageViewFactory : ImageViewFactory() {
    var updateView: ((ImageInfo) -> Unit)? = null
    override fun createAnimatedImageView(
        context: Context, imageType: Int,
        initScaleType: Int
    ): View {
        val view = SimpleDraweeView(context)
        view.hierarchy.actualImageScaleType = scaleType(initScaleType)
        return view
    }
    override fun loadAnimatedContent(
        view: View, imageType: Int,
        imageFile: File
    ) {
        if (view is SimpleDraweeView) {
            val controller: DraweeController = Fresco.newDraweeControllerBuilder()
                .setUri(Uri.parse("file://" + imageFile.absolutePath))
                .setAutoPlayAnimations(true)
                .setControllerListener(object: BaseControllerListener<ImageInfo>() {
                    override fun onIntermediateImageSet(id: String?, imageInfo: ImageInfo?) {
                        imageInfo?.let { updateView?.invoke(it) }
                    }
                    override fun onFinalImageSet(id: String?, imageInfo: ImageInfo?, animatable: Animatable?) {
                        imageInfo?.let { updateView?.invoke(it) }
                    }
                })
                .build()
            view.controller = controller
        }
    }
    override fun createThumbnailView(
        context: Context,
        scaleType: ImageView.ScaleType, willLoadFromNetwork: Boolean
    ): View {
        return if (willLoadFromNetwork) {
            val thumbnailView = SimpleDraweeView(context)
            thumbnailView.hierarchy.actualImageScaleType = scaleType(scaleType)
            thumbnailView
        } else {
            super.createThumbnailView(context, scaleType, false)
        }
    }
    override fun loadThumbnailContent(view: View, thumbnail: Uri) {
        if (view is SimpleDraweeView) {
            val controller: DraweeController = Fresco.newDraweeControllerBuilder()
                .setUri(thumbnail)
                .build()
            view.controller = controller
        }
    }
    private fun scaleType(value: Int): ScalingUtils.ScaleType {
        return when (value) {
            BigImageView.INIT_SCALE_TYPE_CENTER -> ScalingUtils.ScaleType.CENTER
            BigImageView.INIT_SCALE_TYPE_CENTER_CROP -> ScalingUtils.ScaleType.CENTER_CROP
            BigImageView.INIT_SCALE_TYPE_CENTER_INSIDE -> ScalingUtils.ScaleType.CENTER_INSIDE
            BigImageView.INIT_SCALE_TYPE_FIT_END -> ScalingUtils.ScaleType.FIT_END
            BigImageView.INIT_SCALE_TYPE_FIT_START -> ScalingUtils.ScaleType.FIT_START
            BigImageView.INIT_SCALE_TYPE_FIT_XY -> ScalingUtils.ScaleType.FIT_XY
            BigImageView.INIT_SCALE_TYPE_FIT_CENTER -> ScalingUtils.ScaleType.FIT_CENTER
            else -> ScalingUtils.ScaleType.FIT_CENTER
        }
    }
    private fun scaleType(scaleType: ImageView.ScaleType): ScalingUtils.ScaleType {
        return when (scaleType) {
            ImageView.ScaleType.CENTER -> ScalingUtils.ScaleType.CENTER
            ImageView.ScaleType.CENTER_CROP -> ScalingUtils.ScaleType.CENTER_CROP
            ImageView.ScaleType.CENTER_INSIDE -> ScalingUtils.ScaleType.CENTER_INSIDE
            ImageView.ScaleType.FIT_END -> ScalingUtils.ScaleType.FIT_END
            ImageView.ScaleType.FIT_START -> ScalingUtils.ScaleType.FIT_START
            ImageView.ScaleType.FIT_XY -> ScalingUtils.ScaleType.FIT_XY
            ImageView.ScaleType.FIT_CENTER -> ScalingUtils.ScaleType.FIT_CENTER
            else -> ScalingUtils.ScaleType.FIT_CENTER
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/adapters/ThumbnailAdapter.kt
+++ b/app/src/main/java/xyz/quaver/pupil/adapters/ThumbnailAdapter.kt
@@ -1,52 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.adapters
 import android.net.Uri
 import android.view.ViewGroup
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
 import com.github.piasy.biv.view.BigImageView
 import xyz.quaver.pupil.R
 class ThumbnailAdapter(var thumbnails: List<String>) : RecyclerView.Adapter<ThumbnailAdapter.ViewHolder>() {
    class ViewHolder(val view: BigImageView) : RecyclerView.ViewHolder(view) {
        fun clear() {
            view.ssiv?.recycle()
        }
    }
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        return ViewHolder(BigImageView(parent.context).apply {
            setFailureImage(ContextCompat.getDrawable(context, R.drawable.image_broken_variant))
        })
    }
    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        holder.view.showImage(Uri.parse(thumbnails[position]))
    }
    override fun getItemCount() = thumbnails.size
    override fun onViewRecycled(holder: ViewHolder) {
        holder.clear()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/adapters/ThumbnailPageAdapter.kt
+++ b/app/src/main/java/xyz/quaver/pupil/adapters/ThumbnailPageAdapter.kt
@@ -1,52 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.adapters
 import android.view.ViewGroup
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import kotlin.math.min
 class ThumbnailPageAdapter(private val thumbnails: List<String>) : RecyclerView.Adapter<ThumbnailPageAdapter.ViewHolder>() {
    class ViewHolder(val view: RecyclerView) : RecyclerView.ViewHolder(view)
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        return ViewHolder(RecyclerView(parent.context).apply {
            val layoutManager = GridLayoutManager(parent.context, 3)
            val adapter = ThumbnailAdapter(listOf())
            this.layoutManager = layoutManager
            this.adapter = adapter
            layoutParams = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
        })
    }
    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        (holder.view.adapter as ThumbnailAdapter).apply {
            thumbnails = this@ThumbnailPageAdapter.thumbnails.slice(9*position until min(9*position+9, this@ThumbnailPageAdapter.thumbnails.size))
            notifyDataSetChanged()
            (holder.view.layoutManager as GridLayoutManager).scrollToPosition(8)
        }
    }
    override fun getItemCount() = if (thumbnails.isEmpty()) 0 else thumbnails.size/9 + if (thumbnails.size%9 != 0) 1 else 0
 }
--- a/app/src/main/java/xyz/quaver/pupil/di/SingletonModule.kt
+++ b/app/src/main/java/xyz/quaver/pupil/di/SingletonModule.kt
@@ -0,0 +1,24 @@
 package xyz.quaver.pupil.di
 import android.content.Context
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import xyz.quaver.pupil.networking.FileImageCache
 import xyz.quaver.pupil.networking.ImageCache
 import java.io.File
 import javax.inject.Singleton
@Module
@InstallIn(SingletonComponent::class)
 object SingletonModule {
    @Singleton
    @Provides
    fun provideImageCache(
        @ApplicationContext context: Context
    ): ImageCache {
        return FileImageCache(File(context.cacheDir, "image_cache"))
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/common.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/common.kt
@@ -1,146 +0,0 @@
 /*
 *    Copyright 2019 tom5079
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 package xyz.quaver.pupil.hitomi
 import android.util.Log
 import android.webkit.WebView
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.transformWhile
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import xyz.quaver.pupil.*
 import java.util.*
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 const val protocol = "https:"
 val evaluationContext = Dispatchers.Main + Job()
 /**
 * kotlinx.serialization.json.Json object for global use
 * properties should not be changed
 *
 * @see [https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/kotlinx-serialization-core/kotlinx.serialization.json/-json/index.html]
 */
 val json = Json {
    isLenient = true
    ignoreUnknownKeys = true
    allowSpecialFloatingPointValues = true
    useArrayPolymorphism = true
 }
 suspend inline fun <reified T> WebView.evaluate(script: String): T = coroutineScope {
    var result: String? = null
    while (result == null) {
        try {
            while (!oldWebView && !(webViewReady && !webViewFailed)) delay(100)
            result = if (oldWebView)
                "null"
            else withContext(evaluationContext) {
                suspendCoroutine { continuation ->
                    evaluateJavascript(script) {
                        continuation.resume(it)
                    }
                }
            }
        } catch (e: CancellationException) {
            if (e.message != "reload") result = "null"
        }
    }
    json.decodeFromString(result)
 }
@OptIn(ExperimentalCoroutinesApi::class)
 suspend inline fun <reified T> WebView.evaluatePromise(
    script: String,
    then: String = ".then(result => Callback.onResult(%uid, JSON.stringify(result))).catch(err => Callback.onError(%uid, String.raw`$script`, err.message, err.stack))"
 ): T = coroutineScope {
    var result: String? = null
    while (result == null) {
        try {
            while (!oldWebView && !(webViewReady && !webViewFailed)) delay(100)
            result = if (oldWebView)
                "null"
            else withContext(evaluationContext) {
                val uid = UUID.randomUUID().toString()
                val flow: Flow<Pair<String, String?>> = webViewFlow.transformWhile { (currentUid, result) ->
                    if (currentUid == uid) {
                        emit(currentUid to result)
                    }
                    currentUid != uid
                }
                launch {
                    evaluateJavascript((script + then).replace("%uid", "'$uid'"), null)
                }
                flow.first().second
            }
        } catch (e: CancellationException) {
            if (e.message != "reload") result = "null"
        }
    }
    json.decodeFromString(result)
 }
@Suppress("EXPERIMENTAL_API_USAGE")
 suspend fun getGalleryInfo(galleryID: Int): GalleryInfo =
    webView.evaluatePromise("get_gallery_info($galleryID)")
 //common.js
 const val domain = "ltn.hitomi.la"
 val String?.js: String
    get() = if (this == null) "null" else "'$this'"
@OptIn(ExperimentalSerializationApi::class)
 suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null): String =
    webView.evaluate(
        """
        url_from_url_from_hash(
            ${galleryID.toString().js},
            ${Json.encodeToString(image)},
            ${dir.js}, ${ext.js}, ${base.js}
        )
        """.trimIndent()
    )
 suspend fun imageUrlFromImage(galleryID: Int, image: GalleryFiles, noWebp: Boolean) : String {
    return when {
        noWebp ->
            urlFromUrlFromHash(galleryID, image)
 //        image.hasavif != 0 ->
 //            urlFromUrlFromHash(galleryID, image, "avif", null, "a")
        image.haswebp != 0 ->
            urlFromUrlFromHash(galleryID, image, "webp", null, "a")
        else ->
            urlFromUrlFromHash(galleryID, image)
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt
@@ -1,40 +0,0 @@
 /*
 *    Copyright 2019 tom5079
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 package xyz.quaver.pupil.hitomi
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
 import xyz.quaver.pupil.webView
@Serializable
 data class Gallery(
    val related: List<Int>,
    val langList: Map<String, String>,
    val cover: String,
    val title: String,
    val artists: List<String>,
    val groups: List<String>,
    val type: String,
    val language: String,
    val series: List<String>,
    val characters: List<String>,
    val tags: List<String>,
    val thumbnails: List<String>
 )
 suspend fun getGallery(galleryID: Int) : Gallery =
    webView.evaluatePromise("get_gallery($galleryID)")
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt
@@ -1,36 +0,0 @@
 /*
 *    Copyright 2019 tom5079
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 package xyz.quaver.pupil.hitomi
 import kotlinx.serialization.Serializable
 import xyz.quaver.pupil.webView
@Serializable
 data class GalleryBlock(
    val id: Int,
    val galleryUrl: String,
    val thumbnails: List<String>,
    val title: String,
    val artists: List<String>,
    val series: List<String>,
    val type: String,
    val language: String?,
    val relatedTags: List<String>
 )
 suspend fun getGalleryBlock(galleryID: Int) : GalleryBlock =
    webView.evaluatePromise("get_gallery_block($galleryID)")
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/reader.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/reader.kt
@@ -1,49 +0,0 @@
 /*
 *    Copyright 2019 tom5079
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 package xyz.quaver.pupil.hitomi
 import kotlinx.serialization.Serializable
 fun getReferer(galleryID: Int) = "https://hitomi.la/reader/$galleryID.html"
@Serializable
 data class GalleryInfo(
    val language_localname: String? = null,
    val language: String? = null,
    val date: String? = null,
    val files: List<GalleryFiles>,
    val id: Int? = null,
    val type: String? = null,
    val title: String? = null
 )
@Serializable
 data class GalleryFiles(
    val width: Int,
    val hash: String,
    val haswebp: Int = 0,
    val name: String,
    val height: Int,
    val hasavif: Int = 0,
    val hasavifsmalltn: Int? = 0
 )
 //Set header `Referer` to reader url to avoid 403 error
@Deprecated("", replaceWith = ReplaceWith("getGalleryInfo"))
 suspend fun getReader(galleryID: Int) : GalleryInfo {
   return getGalleryInfo(galleryID)
 }
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/results.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/results.kt
@@ -1,87 +0,0 @@
 /*
 *    Copyright 2019 tom5079
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 package xyz.quaver.pupil.hitomi
 import kotlinx.coroutines.async
 import kotlinx.coroutines.coroutineScope
 import java.util.*
 suspend fun doSearch(query: String, sortByPopularity: Boolean = false) : Set<Int> = coroutineScope {
    val terms = query
        .trim()
        .replace(Regex("""^\?"""), "")
        .lowercase()
        .split(Regex("\\s+"))
        .map {
            it.replace('_', ' ')
        }
    val positiveTerms = LinkedList<String>()
    val negativeTerms = LinkedList<String>()
    for (term in terms) {
        if (term.matches(Regex("^-.+")))
            negativeTerms.push(term.replace(Regex("^-"), ""))
        else if (term.isNotBlank())
            positiveTerms.push(term)
    }
    val positiveResults = positiveTerms.map {
        async {
            runCatching {
                getGalleryIDsForQuery(it)
            }.getOrElse { emptySet() }
        }
    }
    val negativeResults = negativeTerms.mapIndexed { index, it ->
        async {
            runCatching {
                getGalleryIDsForQuery(it)
            }.getOrElse { emptySet() }
        }
    }
    val results = when {
        sortByPopularity -> getGalleryIDsFromNozomi(null, "popular", "all")
        positiveTerms.isEmpty() -> getGalleryIDsFromNozomi(null, "index", "all")
        else -> emptySet()
    }.toMutableSet()
    fun filterPositive(newResults: Set<Int>) {
        when {
            results.isEmpty() -> results.addAll(newResults)
            else -> results.retainAll(newResults)
        }
    }
    fun filterNegative(newResults: Set<Int>) {
        results.removeAll(newResults)
    }
    //positive results
    positiveResults.forEach {
        filterPositive(it.await())
    }
    //negative results
    negativeResults.forEachIndexed { index, it ->
        filterNegative(it.await())
    }
    results
 }
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/search.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/search.kt
@@ -1,57 +0,0 @@
 /*
 *    Copyright 2019 tom5079
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 package xyz.quaver.pupil.hitomi
 import android.util.Log
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
 import xyz.quaver.pupil.webView
 //searchlib.js
 const val extension = ".html"
@OptIn(ExperimentalSerializationApi::class)
 suspend fun getGalleryIDsForQuery(query: String) : Set<Int> =
    webView.evaluatePromise("get_galleryids_for_query('$query')")
@Serializable
 data class Suggestion(val s: String, val t: Int, val u: String, val n: String)
@OptIn(ExperimentalSerializationApi::class)
 suspend fun getSuggestionsForQuery(query: String) : List<Suggestion> =
    webView.evaluatePromise(
        "get_suggestions_for_query('$query', ++search_serial)",
        then = """
            .then(r => {
                let [results, results_serial] = r;
                if (search_serial !== results_serial) {
                    Callback.onResult(%uid, '[]');
                } else {
                    Callback.onResult(%uid, JSON.stringify(results));
                }
            });
        """.trimIndent()
    )
@OptIn(ExperimentalSerializationApi::class)
 suspend fun getGalleryIDsFromNozomi(area: String?, tag: String, language: String) : Set<Int> {
    val jsArea = if (area == null) "null" else "'$area'"
    return webView.evaluatePromise("""get_galleryids_from_nozomi($jsArea, '$tag', '$language')""")
 }
--- a/app/src/main/java/xyz/quaver/pupil/networking/GalleryInfo.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/GalleryInfo.kt
@@ -0,0 +1,110 @@
 package xyz.quaver.pupil.networking
 import android.os.BaseBundle
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 interface TagLike {
    fun toTag(): SearchQuery.Tag
 }
@Serializable
 data class Artist(val artist: String): TagLike {
    override fun toTag() = SearchQuery.Tag("artist", artist)
 }
@Serializable
 data class Group(val group: String): TagLike {
    override fun toTag() = SearchQuery.Tag("group", group)
 }
@Serializable
 data class Series(@SerialName("parody") val series: String): TagLike {
    override fun toTag() = SearchQuery.Tag("series", series)
 }
@Serializable
 data class Character(val character: String): TagLike {
    override fun toTag() = SearchQuery.Tag("character", character)
 }
@Serializable
 data class GalleryTag(
    val tag: String,
    val female: String? = null,
    val male: String? = null
 ): TagLike {
    override fun toTag() = SearchQuery.Tag(
        if (female.isNullOrEmpty() && male.isNullOrEmpty()) {
            "tag"
        } else if (male.isNullOrEmpty()) {
            "female"
        } else {
            "male"
        },
        tag
    )
 }
@Serializable
 data class Language(
    @SerialName("galleryid") val galleryID: String,
    val name: String
 )
@Serializable
 data class GalleryFile(
    @SerialName("haswebp") val hasWebP: Int = 0,
    @SerialName("hasavif") val hasAVIF: Int = 0,
    @SerialName("hasjxl") val hasJXL: Int = 0,
    val height: Int,
    val width: Int,
    val hash: String,
    val name: String,
 ) {
    fun writeToBundle(bundle: BaseBundle) {
        bundle.putInt("hasWebP", hasWebP)
        bundle.putInt("hasAVIF", hasAVIF)
        bundle.putInt("hasJXL", hasJXL)
        bundle.putInt("height", height)
        bundle.putInt("width", width)
        bundle.putString("hash", hash)
        bundle.putString("name", name)
    }
    companion object {
        fun fromBundle(bundle: BaseBundle) = GalleryFile(
            bundle.getInt("hasWebP"),
            bundle.getInt("hasAVIF"),
            bundle.getInt("hasJXL"),
            bundle.getInt("height"),
            bundle.getInt("width"),
            bundle.getString("hash")!!,
            bundle.getString("name")!!
        )
    }
 }
@Serializable
 data class GalleryInfo(
    val id: String,
    val title: String,
    @SerialName("japanese_title") val japaneseTitle: String? = null,
    val language: String? = null,
    val type: String,
    val date: String,
    val artists: List<Artist>? = null,
    val groups: List<Group>? = null,
    @SerialName("parodys") val series: List<Series>? = null,
    val tags: List<GalleryTag>? = null,
    val related: List<Int> = emptyList(),
    val languages: List<Language> = emptyList(),
    val characters: List<Character>? = null,
    @SerialName("scene_indexes") val sceneIndices: List<Int>? = emptyList(),
    val files: List<GalleryFile> = emptyList()
 )
@JvmName("joinToCapitalizedStringArtist")
 fun List<Artist>.joinToCapitalizedString() = joinToString { it.artist.replaceFirstChar(Char::titlecase) }
@JvmName("joinToCapitalizedStringGroup")
 fun List<Group>.joinToCapitalizedString() = joinToString { it.group.replaceFirstChar(Char::titlecase) }
--- a/app/src/main/java/xyz/quaver/pupil/networking/GallerySearchSource.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/GallerySearchSource.kt
@@ -0,0 +1,36 @@
 package xyz.quaver.pupil.networking
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.async
 import kotlinx.coroutines.coroutineScope
 class GallerySearchSource(val query: SearchQuery?) {
    private var searchResult: List<Int>? = null
    private var job: Job? = null
    suspend fun load(range: IntRange): Result<Pair<List<GalleryInfo>, Int>> = runCatching {
        val searchResult = searchResult ?: (
            HitomiHttpClient
                .search(query)
                .getOrThrow()
                .toList()
                .also { searchResult = it }
        )
        val galleryResults = coroutineScope {
            searchResult.slice(range).map { galleryID ->
                async {
                    HitomiHttpClient.getGalleryInfo(galleryID)
                }
            }
        }
        val galleries = galleryResults.map { result ->
            result.await().getOrThrow()
        }
        Pair(galleries, searchResult.size)
    }
    fun cancel() = job?.cancel()
 }
--- a/app/src/main/java/xyz/quaver/pupil/networking/HitomiHttpClient.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/HitomiHttpClient.kt
@@ -0,0 +1,402 @@
 package xyz.quaver.pupil.networking
 import io.ktor.client.HttpClient
 import io.ktor.client.call.body
 import io.ktor.client.engine.okhttp.OkHttp
 import io.ktor.client.plugins.onDownload
 import io.ktor.client.request.get
 import io.ktor.client.request.header
 import io.ktor.client.statement.HttpResponse
 import io.ktor.client.statement.bodyAsText
 import io.ktor.utils.io.ByteReadChannel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
 import kotlinx.datetime.Clock.System.now
 import kotlinx.datetime.Instant
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.contentOrNull
 import kotlinx.serialization.json.jsonArray
 import kotlinx.serialization.json.jsonPrimitive
 import java.nio.ByteBuffer
 import java.nio.IntBuffer
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.minutes
 const val domain = "ltn.hitomi.la"
 const val nozomiExtension = ".nozomi"
 const val compressedNozomiPrefix = "n"
 const val B = 16
 const val indexDir = "tagindex"
 const val maxNodeSize = 464
 const val galleriesIndexDir = "galleriesindex"
 const val tagIndexDomain = "tagindex.hitomi.la"
 const val separator = "-"
 const val extension = ".html"
 data class Suggestion(
    val tag: SearchQuery.Tag,
    val count: Int,
 )
 fun IntBuffer.toSet(): Set<Int> {
    val result = LinkedHashSet<Int>()
    while (this.hasRemaining()) {
        result.add(this.get())
    }
    return result
 }
 private val json = Json {
    isLenient = true
    ignoreUnknownKeys = true
 }
 class ImagePathResolver(ggjs: String) {
    private val defaultPrefix: Int = Regex("var o = (\\d)").find(ggjs)!!.groupValues[1].toInt()
    private val prefixMap: Map<Int, Int> = buildMap {
        val o = Regex("o = (\\d); break;").find(ggjs)!!.groupValues[1].toInt()
        Regex("case (\\d+):").findAll(ggjs).forEach {
            val case = it.groupValues[1].toInt()
            put(case, o)
        }
    }
    private val imageBaseDir: String = Regex("b: '(.+)'").find(ggjs)!!.groupValues[1]
    fun decodeSubdomain(hash: String, thumbnail: Boolean): String {
        val key = (hash.last() + hash.dropLast(1).takeLast(2)).toInt(16)
        val base = if (thumbnail) "tn" else "a"
        return "${'a' + (prefixMap[key] ?: defaultPrefix)}$base"
    }
    fun decodeImagePath(hash: String, thumbnail: Boolean): String {
        val key = hash.last() to hash.dropLast(1).takeLast(2)
        return if (thumbnail) {
            "${key.first}/${key.second}/$hash"
        } else {
            "$imageBaseDir/${(key.first + key.second).toInt(16)}/$hash"
        }
    }
 }
 class ExpirableEntry<T>(
    private val expiryDuration: Duration,
    private val action: suspend () -> T,
 ) {
    private var value: T? = null
    private var expiresAt: Instant = now()
    private val mutex = Mutex()
    suspend fun getValue(): T = mutex.withLock {
        value?.let { if (expiresAt > now()) value else null } ?: action().also {
            expiresAt = now() + expiryDuration
            value = it
        }
    }
 }
 object HitomiHttpClient {
    private val httpClient = HttpClient(OkHttp) {
        engine {
            config {
                sslSocketFactory(SSLSettings.sslContext!!.socketFactory, SSLSettings.trustManager!!)
            }
        }
    }
    private var imagePathResolver = ExpirableEntry(1.minutes) {
        ImagePathResolver(httpClient.get("https://ltn.hitomi.la/gg.js").bodyAsText())
    }
    private val tagIndexVersion = ExpirableEntry(1.minutes) { getIndexVersion("tagindex") }
    private val galleriesIndexVersion =
        ExpirableEntry(1.minutes) { getIndexVersion("galleriesindex") }
    private suspend fun getIndexVersion(name: String): String = withContext(Dispatchers.IO) {
        httpClient.get("https://$domain/$name/version?_=${System.currentTimeMillis()}").bodyAsText()
    }
    private suspend fun getURLAtRange(url: String, range: LongRange): ByteBuffer {
        val response: HttpResponse = withContext(Dispatchers.IO) {
            httpClient.get(url) {
                header("Range", "bytes=${range.first}-${range.last}")
            }
        }
        val result: ByteArray = response.body()
        return ByteBuffer.wrap(result)
    }
    private suspend fun getNodeAtAddress(field: String, address: Long): Node {
        val url = when (field) {
            "galleries" -> "https://$domain/$galleriesIndexDir/galleries.${galleriesIndexVersion.getValue()}.index"
            "languages" -> "https://$domain/$galleriesIndexDir/languages.${galleriesIndexVersion.getValue()}.index"
            "nozomiurl" -> "https://$domain/$galleriesIndexDir/nozomiurl.${galleriesIndexVersion.getValue()}.index"
            else -> "https://$domain/$indexDir/$field.${tagIndexVersion.getValue()}.index"
        }
        return Node.decodeNode(
            getURLAtRange(url, address..<address + maxNodeSize)
        )
    }
    private suspend fun bSearch(
        field: String,
        key: Node.Key,
        node: Node,
    ): Node.Data? {
        if (node.keys.isEmpty()) {
            return null
        }
        val (matched, index) = node.locateKey(key)
        if (matched) {
            return node.datas[index]
        } else if (node.isLeaf) {
            return null
        }
        val nextNode = getNodeAtAddress(field, node.subNodeAddresses[index])
        return bSearch(field, key, nextNode)
    }
    private suspend fun getGalleryIDsFromData(offset: Long, length: Int): IntBuffer {
        val url =
            "https://$domain/$galleriesIndexDir/galleries.${galleriesIndexVersion.getValue()}.data"
        if (length > 100000000 || length <= 0) {
            error("length $length is too long")
        }
        return getURLAtRange(url, offset until (offset + length)).asIntBuffer()
    }
    private fun encodeSearchQueryForUrl(s: Char) =
        when (s) {
            ' ' -> "_"
            '/' -> "slash"
            '.' -> "dot"
            else -> s.toString()
        }
    private fun sanitize(s: String) = s.replace(Regex("[/#]"), "")
    private suspend fun getGalleryIDsFromNozomi(
        area: String?,
        tag: String,
        language: String,
    ): IntBuffer {
        val nozomiAddress = if (area == null) {
            "https://$domain/$compressedNozomiPrefix/$tag-$language$nozomiExtension"
        } else {
            "https://$domain/$compressedNozomiPrefix/$area/$tag-$language$nozomiExtension"
        }
        val response: HttpResponse = withContext(Dispatchers.IO) {
            httpClient.get(nozomiAddress)
        }
        val result: ByteArray = response.body()
        return ByteBuffer.wrap(result).asIntBuffer()
    }
    private suspend fun getGalleryIDsForQuery(
        query: SearchQuery.Tag,
        language: String = "all",
    ): IntBuffer = when (query.namespace) {
        "female", "male" -> getGalleryIDsFromNozomi("tag", query.toString(), language)
        "language" -> getGalleryIDsFromNozomi(null, "index", query.tag)
        null -> {
            val key = Node.Key(query.tag)
            val node = getNodeAtAddress("galleries", 0)
            val data = bSearch("galleries", key, node)
            if (data != null) getGalleryIDsFromData(
                data.offset,
                data.length
            ) else IntBuffer.allocate(0)
        }
        else -> getGalleryIDsFromNozomi(query.namespace, query.tag, language)
    }
    suspend fun getSuggestionsForQuery(query: SearchQuery.Tag): Result<List<Suggestion>> =
        runCatching {
            val field = query.namespace ?: "global"
            val chars = query.tag.map(::encodeSearchQueryForUrl)
            val suggestions = json.parseToJsonElement(
                withContext(Dispatchers.IO) {
                    httpClient.get(
                        "https://$tagIndexDomain/$field${
                            if (chars.isNotEmpty()) "/${
                                chars.joinToString(
                                    "/"
                                )
                            }" else ""
                        }.json"
                    ).bodyAsText()
                }
            )
            buildList {
                suggestions.jsonArray.forEach { suggestionRaw ->
                    val suggestion = suggestionRaw.jsonArray
                    if (suggestion.size < 3) {
                        return@forEach
                    }
                    val namespace = suggestion[2].jsonPrimitive.contentOrNull ?: ""
                    val tag =
                        sanitize(suggestion[0].jsonPrimitive.contentOrNull ?: return@forEach)
                    add(
                        Suggestion(
                            SearchQuery.Tag(
                                namespace,
                                tag
                            ),
                            suggestion[1].jsonPrimitive.contentOrNull?.toIntOrNull() ?: 0,
                        )
                    )
                }
            }
        }
    suspend fun getGalleryInfo(galleryID: Int) = runCatching {
        withContext(Dispatchers.IO) {
            json.decodeFromString<GalleryInfo>(
                httpClient.get("https://$domain/galleries/$galleryID.js").bodyAsText()
                    .replace("var galleryinfo = ", "")
            )
        }
    }
    suspend fun search(query: SearchQuery?): Result<Set<Int>> = runCatching {
        when (query) {
            is SearchQuery.Tag -> getGalleryIDsForQuery(query).toSet()
            is SearchQuery.Not -> coroutineScope {
                val allGalleries = async {
                    getGalleryIDsFromNozomi(null, "index", "all")
                }
                val queriedGalleries = search(query.query).getOrThrow()
                val result = LinkedHashSet<Int>()
                with(allGalleries.await()) {
                    while (this.hasRemaining()) {
                        val gallery = this.get()
                        if (gallery in queriedGalleries) {
                            result.add(gallery)
                        }
                    }
                }
                result
            }
            is SearchQuery.And -> coroutineScope {
                val queries = query.queries.map { query ->
                    async {
                        search(query).getOrThrow()
                    }
                }
                val result = queries.first().await().toMutableSet()
                queries.drop(1).forEach {
                    val queryResult = it.await()
                    result.retainAll(queryResult)
                }
                result
            }
            is SearchQuery.Or -> coroutineScope {
                val queries = query.queries.map { query ->
                    async {
                        search(query).getOrThrow()
                    }
                }
                val result = LinkedHashSet<Int>()
                queries.forEach {
                    val queryResult = it.await()
                    result.addAll(queryResult)
                }
                result
            }
            null -> getGalleryIDsFromNozomi(null, "index", "all").toSet()
        }
    }
    suspend fun getImageURL(galleryFile: GalleryFile, thumbnail: Boolean = false): List<String> =
        buildList {
            val imagePathResolver = imagePathResolver.getValue()
            listOf("webp", "avif", "jxl").forEach { type ->
                val available = when {
                    thumbnail && type != "jxl" -> true
                    type == "webp" -> galleryFile.hasWebP != 0
                    type == "avif" -> galleryFile.hasAVIF != 0
                    !thumbnail && type == "jxl" -> galleryFile.hasJXL != 0
                    else -> false
                }
                if (!available) return@forEach
                val url = buildString {
                    append("https://")
                    append(imagePathResolver.decodeSubdomain(galleryFile.hash, thumbnail))
                    append(".hitomi.la/")
                    append(type)
                    if (thumbnail) append("bigtn")
                    append('/')
                    append(imagePathResolver.decodeImagePath(galleryFile.hash, thumbnail))
                    append('.')
                    append(type)
                }
                add(url)
            }
        }
    suspend fun loadImage(
        galleryFile: GalleryFile,
        thumbnail: Boolean = false,
        acceptImage: (String) -> Boolean = { true },
        onDownload: (bytesSentTotal: Long, contentLength: Long?) -> Unit = { _, _ -> },
    ): Result<Pair<ByteReadChannel, String>> {
        return runCatching {
            withContext(Dispatchers.IO) {
                val url = getImageURL(galleryFile, thumbnail).firstOrNull(acceptImage)
                    ?: error("No available image")
                val channel: ByteReadChannel = httpClient.get(url) { onDownload(onDownload) }.body()
                Pair(channel, url)
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/networking/ImageCache.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/ImageCache.kt
@@ -0,0 +1,135 @@
 package xyz.quaver.pupil.networking
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import io.ktor.util.cio.writeChannel
 import io.ktor.utils.io.copyAndClose
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancelAndJoin
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
 import java.io.File
 sealed class ImageLoadProgress {
    data object NotStarted : ImageLoadProgress()
    data class Progress(val bytesSent: Long, val contentLength: Long?) : ImageLoadProgress()
    data class Finished(val file: File) : ImageLoadProgress()
    data class Error(val exception: Throwable) : ImageLoadProgress()
 }
 interface ImageCache {
    suspend fun load(
        galleryFile: GalleryFile,
        forceDownload: Boolean = false,
    ): StateFlow<ImageLoadProgress>
    suspend fun free(vararg files: GalleryFile)
    suspend fun clear()
 }
 class FileImageCache(
    private val cacheDir: File,
    private val cacheLimit: Long = 128 * 1024 * 1024, // 128MB
 ) : ImageCache {
    private val mutex = Mutex()
    private val requests = mutableMapOf<String, Pair<Job, StateFlow<ImageLoadProgress>>>()
    private val activeFiles = mutableMapOf<String, File>()
    private suspend fun cleanup() = withContext(Dispatchers.IO) {
        mutex.withLock {
            val size = cacheDir.listFiles()?.sumOf { it.length() } ?: 0
            if (size > cacheLimit) {
                cacheDir.listFiles { file ->
                    file.nameWithoutExtension !in activeFiles
                }?.forEach { file ->
                    file.delete()
                }
            }
        }
    }
    override suspend fun free(vararg files: GalleryFile) = withContext(Dispatchers.IO) {
        mutex.withLock {
            files.forEach { file ->
                val hash = file.hash
                requests[hash]?.let { (job, _) ->
                    job.cancel()
                }
                requests.remove(hash)
                activeFiles.remove(hash)
            }
        }
    }
    override suspend fun clear(): Unit = withContext(Dispatchers.IO) {
        mutex.withLock {
            requests.forEach { _, (job, _) -> job.cancel() }
            activeFiles.clear()
            cacheDir.deleteRecursively()
        }
    }
    override suspend fun load(
        galleryFile: GalleryFile,
        forceDownload: Boolean,
    ): StateFlow<ImageLoadProgress> {
        val hash = galleryFile.hash
        mutex.withLock {
            val file = activeFiles[hash]
            if (!forceDownload && file != null) {
                return MutableStateFlow(ImageLoadProgress.Finished(file))
            }
        }
        cleanup()
        mutex.withLock {
            requests[hash]?.first?.cancelAndJoin()
            activeFiles[hash]?.delete()
            val flow = MutableStateFlow<ImageLoadProgress>(ImageLoadProgress.NotStarted)
            val job = coroutineScope {
                launch {
                    runCatching {
                        val (channel, url) = HitomiHttpClient.loadImage(galleryFile) { sent, total ->
                            flow.value = ImageLoadProgress.Progress(sent, total)
                        }.onFailure {
                            FirebaseCrashlytics.getInstance().recordException(it)
                            flow.value = ImageLoadProgress.Error(it)
                        }.getOrThrow()
                        val file = File(cacheDir, "$hash.${url.substringAfterLast('.')}")
                        mutex.withLock {
                            activeFiles.put(hash, file)
                        }
                        channel.copyAndClose(file.writeChannel())
                        file
                    }.onSuccess { file ->
                        flow.value = ImageLoadProgress.Finished(file)
                    }.onFailure {
                        activeFiles.remove(hash)
                        FirebaseCrashlytics.getInstance().recordException(it)
                        flow.value = ImageLoadProgress.Error(it)
                    }
                }
            }
            requests[hash] = job to flow
            return flow
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/networking/Node.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/Node.kt
@@ -0,0 +1,107 @@
@file:OptIn(ExperimentalUnsignedTypes::class)
 package xyz.quaver.pupil.networking
 import java.nio.ByteBuffer
 import java.security.MessageDigest
 import kotlin.math.min
 private fun sha256(data: ByteArray): ByteArray =
    MessageDigest.getInstance("SHA-256").digest(data)
 private fun hashTerm(term: String): UByteArray =
    sha256(term.toByteArray()).sliceArray(0..<4).toUByteArray()
 data class Node(
    val keys: List<Key>,
    val datas: List<Data>,
    val subNodeAddresses: List<Long>
 ) {
    data class Key(
        private val key: UByteArray
    ): Comparable<Key> {
        constructor(term: String): this(hashTerm(term))
        override fun compareTo(other: Key): Int {
            val minSize = min(this.key.size, other.key.size)
            for (i in 0..<minSize) {
                if (this.key[i] < other.key[i]) {
                    return -1
                } else if(this.key[i] > other.key[i]) {
                    return 1
                }
            }
            return 0
        }
        override fun equals(other: Any?): Boolean {
            if (this === other) return true
            if (javaClass != other?.javaClass) return false
            other as Key
            return key.contentEquals(other.key)
        }
        override fun hashCode(): Int {
            return key.contentHashCode()
        }
    }
    data class Data(
        val offset: Long,
        val length: Int
    )
    companion object {
        fun decodeNode(buffer: ByteBuffer): Node {
            val numberOfKeys = buffer.int
            val keys = mutableListOf<Node.Key>()
            for (i in 0..<numberOfKeys) {
                val keySize = buffer.int
                val key = ByteArray(keySize)
                buffer.get(key)
                keys.add(Node.Key(key.toUByteArray()))
            }
            val numberOfDatas = buffer.int
            val datas = mutableListOf<Data>()
            for (i in 0..<numberOfDatas) {
                val offset = buffer.long
                val length = buffer.int
                datas.add(Data(offset, length))
            }
            val numberOfSubNodeAddresses = B+1
            val subNodeAddresses = mutableListOf<Long>()
            for (i in 0..<numberOfSubNodeAddresses) {
                val subNodeAddress = buffer.long
                subNodeAddresses.add(subNodeAddress)
            }
            return Node(keys, datas, subNodeAddresses)
        }
    }
    val isLeaf: Boolean = subNodeAddresses.all { it == 0L }
    fun locateKey(target: Key): Pair<Boolean, Int> {
        val index = keys.indexOfFirst { key -> target <= key }
        if (index == -1) {
            return Pair(false, keys.size)
        }
        return Pair(keys[index] == target, index)
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/networking/SSL.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/SSL.kt
@@ -0,0 +1,80 @@
 package xyz.quaver.pupil.networking
 import android.content.res.Resources
 import java.io.ByteArrayInputStream
 import java.security.KeyStore
 import java.security.SecureRandom
 import java.security.cert.CertificateFactory
 import javax.net.ssl.SSLContext
 import javax.net.ssl.TrustManagerFactory
 import javax.net.ssl.X509TrustManager
 const val ISRG_ROOT_X1 = """-----BEGIN CERTIFICATE-----
 MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
 TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
 cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4
 WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu
 ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY
 MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc
 h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+
 0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U
 A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW
 T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH
 B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC
 B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv
 KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn
 OlFuhjuefXKnEgV4We0+UXgVCwOPjdAvBbI+e0ocS3MFEvzG6uBQE3xDk3SzynTn
 jh8BCNAw1FtxNrQHusEwMFxIt4I7mKZ9YIqioymCzLq9gwQbooMDQaHWBfEbwrbw
 qHyGO0aoSCqI3Haadr8faqU9GY/rOPNk3sgrDQoo//fb4hVC1CLQJ13hef4Y53CI
 rU7m2Ys6xt0nUW7/vGT1M0NPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV
 HRMBAf8EBTADAQH/MB0GA1UdDgQWBBR5tFnme7bl5AFzgAiIyBpY9umbbjANBgkq
 hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL
 ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ
 3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK
 NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5
 ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur
 TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC
 jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc
 oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq
 4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA
 mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d
 emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc=
 -----END CERTIFICATE-----"""
 object SSLSettings {
    val keyStore: KeyStore by lazy {
        KeyStore.getInstance(KeyStore.getDefaultType()).apply {
            load(null, null)
            val certificateFactory = CertificateFactory.getInstance("X.509")
            val certificate = certificateFactory.generateCertificate(ISRG_ROOT_X1.byteInputStream())
            setCertificateEntry("isrgrootx1", certificate)
            TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm()).apply {
                init(null as KeyStore?)
                trustManagers.filterIsInstance<X509TrustManager>().forEach { trustManager ->
                    trustManager.acceptedIssuers.forEach { acceptedIssuer ->
                        setCertificateEntry(acceptedIssuer.subjectDN.name, acceptedIssuer)
                    }
                }
            }
        }
    }
    val trustManagerFactory: TrustManagerFactory? by lazy {
        TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm()).apply {
            init(keyStore)
        }
    }
    val sslContext: SSLContext? by lazy {
        SSLContext.getInstance("TLS").apply {
            init(null, trustManagerFactory?.trustManagers, null)
        }
    }
    val trustManager: X509TrustManager? by lazy {
        trustManagerFactory?.trustManagers?.filterIsInstance<X509TrustManager>()?.firstOrNull()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/networking/SearchQuery.kt
+++ b/app/src/main/java/xyz/quaver/pupil/networking/SearchQuery.kt
@@ -0,0 +1,90 @@
 package xyz.quaver.pupil.networking
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 val validNamespace = listOf(
    "female",
    "male",
    "artist",
    "group",
    "character",
    "series",
    "type",
    "language",
    "tag"
 )
 class SearchQueryPreviewParameterProvider: PreviewParameterProvider<SearchQuery> {
    override val values = sequenceOf(
        SearchQuery.And(listOf(
            SearchQuery.Or(listOf(
                SearchQuery.And(listOf(
                    SearchQuery.Tag("language", "thisisareallylongtagyoucantevenseetheendofthis"),
                    SearchQuery.Tag("language", "korean"),
                    SearchQuery.Tag("female", "unusual pupil"),
                    SearchQuery.Tag("female", "collar")
                )),
                SearchQuery.And(listOf(
                    SearchQuery.Tag("language", "japanese"),
                    SearchQuery.Tag("female", "unusual pupil"),
                    SearchQuery.Tag("female", "collar")
                ))
            )),
            SearchQuery.Not(
                SearchQuery.And(listOf(
                    SearchQuery.Tag("male", "yaoi"),
                    SearchQuery.Tag("group", "zenmai kourogi")
                ))
            )
        ))
    )
 }
 sealed interface SearchQuery {
    data class Tag(
        val namespace: String? = null,
        val tag: String
    ): SearchQuery, TagLike {
        companion object {
            fun parseTag(tag: String): Tag {
                val splitTag = tag.split(':', limit =  1)
                return if (splitTag.size == 1) {
                    Tag(null, tag)
                } else {
                    Tag(splitTag[0], splitTag[1])
                }
            }
        }
        override fun toString() = if (namespace == null) tag else "$namespace:$tag"
        override fun toTag() = this
    }
    data class And(
        val queries: List<SearchQuery>
    ): SearchQuery {
        init {
            if (queries.isEmpty()) {
                error("queries cannot be empty")
            }
        }
    }
    data class Or(
        val queries: List<SearchQuery>
    ): SearchQuery {
        init {
            if (queries.isEmpty()) {
                error("queries cannot be empty")
            }
        }
    }
    data class Not(
        val query: SearchQuery
    ): SearchQuery
 }
--- a/app/src/main/java/xyz/quaver/pupil/receiver/UpdateBroadcastReceiver.kt
+++ b/app/src/main/java/xyz/quaver/pupil/receiver/UpdateBroadcastReceiver.kt
@@ -1,94 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.receiver
 import android.app.DownloadManager
 import android.app.PendingIntent
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.webkit.MimeTypeMap
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.content.FileProvider
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.util.Preferences
 import java.io.File
 class UpdateBroadcastReceiver : BroadcastReceiver() {
    override fun onReceive(context: Context?, intent: Intent?) {
        context ?: return
        when (intent?.action) {
            DownloadManager.ACTION_DOWNLOAD_COMPLETE -> {
                // Validate download
                val downloadID: Long = Preferences["update_download_id"]
                val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
                if (intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -2) != downloadID)
                    return
                // Get target uri
                val query = DownloadManager.Query()
                    .setFilterById(downloadID)
                val uri = downloadManager.query(query).use { cursor ->
                    if (cursor.moveToFirst()) {
                        cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI))?.let {
                            val uri = Uri.parse(it)
                            when (uri.scheme) {
                                "file" ->
                                    FileProvider.getUriForFile(context, context.applicationContext.packageName + ".provider", File(uri.path!!)
                                    )
                                "content" -> uri
                                else -> null
                            }
                        }
                    } else
                        null
                } ?: return
                // Build Notification
                val notificationManager = NotificationManagerCompat.from(context)
                val pendingIntent = PendingIntent.getActivity(context, 0, Intent(Intent.ACTION_VIEW).apply {
                    flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_ACTIVITY_NEW_TASK
                    setDataAndType(uri, MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"))
                }, if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_IMMUTABLE else 0)
                val notification = NotificationCompat.Builder(context, "update")
                    .setSmallIcon(android.R.drawable.stat_sys_download_done)
                    .setContentTitle(context.getText(R.string.update_download_completed))
                    .setContentText(context.getText(R.string.update_download_completed_description))
                    .setContentIntent(pendingIntent)
                    .build()
                notificationManager.notify(R.id.notification_id_update, notification)
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt
+++ b/app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt
@@ -1,431 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.services
 import android.annotation.SuppressLint
 import android.app.PendingIntent
 import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.os.Build
 import android.util.Log
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.TaskStackBuilder
 import androidx.core.content.ContextCompat
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import okhttp3.Call
 import okhttp3.Callback
 import okhttp3.Response
 import okhttp3.ResponseBody
 import okio.*
 import xyz.quaver.pupil.*
 import xyz.quaver.pupil.ui.ReaderActivity
 import xyz.quaver.pupil.util.*
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import java.io.IOException
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.math.ceil
 import kotlin.math.log10
 private typealias ProgressListener = (DownloadService.Tag, Long, Long, Boolean) -> Unit
 class DownloadService : Service() {
    data class Tag(val galleryID: Int, val index: Int, val startId: Int? = null)
    //region Notification
    private val notificationManager by lazy {
        NotificationManagerCompat.from(this)
    }
    private val serviceNotification by lazy {
        NotificationCompat.Builder(this, "downloader")
            .setContentTitle(getString(R.string.downloader_running))
            .setProgress(0, 0, false)
            .setSmallIcon(R.drawable.ic_notification)
            .setOngoing(true)
    }
    private val notification = ConcurrentHashMap<Int, NotificationCompat.Builder?>()
    private fun initNotification(galleryID: Int) {
        val intent = Intent(this, ReaderActivity::class.java)
            .putExtra("galleryID", galleryID)
        val pendingIntent = TaskStackBuilder.create(this).run {
            addNextIntentWithParentStack(intent)
            getPendingIntent(galleryID, PendingIntent.FLAG_UPDATE_CURRENT or if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_MUTABLE else 0)
        }
        val action =
            NotificationCompat.Action.Builder(0, getText(android.R.string.cancel),
                PendingIntent.getService(
                    this,
                    R.id.notification_download_cancel_action.normalizeID(),
                    Intent(this, DownloadService::class.java)
                        .putExtra(KEY_COMMAND, COMMAND_CANCEL)
                        .putExtra(KEY_ID, galleryID),
                    PendingIntent.FLAG_UPDATE_CURRENT or if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_MUTABLE else 0),
            ).build()
        notification[galleryID] = NotificationCompat.Builder(this, "download").apply {
            setContentTitle(getString(R.string.reader_loading))
            setContentText(getString(R.string.reader_notification_text))
            setSmallIcon(R.drawable.ic_notification)
            setContentIntent(pendingIntent)
            addAction(action)
            setProgress(0, 0, true)
            setOngoing(true)
        }
        notify(galleryID)
    }
    @SuppressLint("RestrictedApi")
    private fun notify(galleryID: Int) {
        val max = progress[galleryID]?.size ?: 0
        val progress = progress[galleryID]?.count { it == Float.POSITIVE_INFINITY } ?: 0
        val notification = notification[galleryID] ?: return
        if (isCompleted(galleryID)) {
            notification
                .setContentText(getString(R.string.reader_notification_complete))
                .setProgress(0, 0, false)
                .setOngoing(false)
                .mActions.clear()
            notificationManager.cancel(galleryID)
        } else
            notification
                .setProgress(max, progress, false)
                .setContentText("$progress/$max")
        if (DownloadManager.getInstance(this).getDownloadFolder(galleryID) != null || galleryID == priority)
            notification.let { notificationManager.notify(galleryID, it.build()) }
        else
            notificationManager.cancel(galleryID)
    }
    //endregion
    //region ProgressListener
    @Suppress("UNCHECKED_CAST")
    private val progressListener: ProgressListener = { (galleryID, index), bytesRead, contentLength, done ->
        if (!done && progress[galleryID]?.get(index)?.isFinite() == true)
            progress[galleryID]?.set(index, bytesRead * 100F / contentLength)
    }
    private class ProgressResponseBody(
        val tag: Any?,
        val responseBody: ResponseBody,
        val progressListener : ProgressListener
    ) : ResponseBody() {
        private var bufferedSource : BufferedSource? = null
        override fun contentLength() = responseBody.contentLength()
        override fun contentType() = responseBody.contentType()
        override fun source(): BufferedSource {
            if (bufferedSource == null)
                bufferedSource = Okio.buffer(source(responseBody.source()))
            return bufferedSource!!
        }
        private fun source(source: Source) = object: ForwardingSource(source) {
            var totalBytesRead = 0L
            override fun read(sink: Buffer, byteCount: Long): Long {
                val bytesRead = super.read(sink, byteCount)
                totalBytesRead += if (bytesRead == -1L) 0L else bytesRead
                progressListener.invoke(tag as Tag, totalBytesRead, responseBody.contentLength(), bytesRead == -1L)
                return bytesRead
            }
        }
    }
    private val interceptor: PupilInterceptor = { chain ->
        val request = chain.request()
        var response = chain.proceed(request)
        var limit = 5
        while (!response.isSuccessful) {
            if (response.code() == 503) {
                Thread.sleep(200)
            } else if (--limit > 0)
                break
            response = chain.proceed(request)
        }
        response.newBuilder()
            .body(response.body()?.let {
                ProgressResponseBody(request.tag(), it, progressListener)
            }).build()
    }
    //endregion
    //region Downloader
    /**
    * KEY
    *  primary galleryID
    *  secondary index
    * PRIMARY VALUE
    *  MutableList -> Download in progress
    *  null -> Loading / Gallery doesn't exist
    * SECONDARY VALUE
    *  0 <= value < 100 -> Download in progress
    *  Float.POSITIVE_INFINITY -> Download completed
    */
    val progress = ConcurrentHashMap<Int, MutableList<Float>>()
    var priority = 0
    fun isCompleted(galleryID: Int) = progress[galleryID]?.toList()?.all { it == Float.POSITIVE_INFINITY } == true
    private val callback = object: Callback {
        override fun onFailure(call: Call, e: IOException) {
            FirebaseCrashlytics.getInstance().recordException(e)
            if (e.message?.contains("cancel", true) == false) {
                val galleryID = (call.request().tag() as Tag).galleryID
            }
        }
        override fun onResponse(call: Call, response: Response) {
            val (galleryID, index, startId) = call.request().tag() as Tag
            val ext = call.request().url().encodedPath().split('.').last()
            CoroutineScope(Dispatchers.IO).launch {
                runCatching {
                    response.also {
                        if (it.code() != 200) throw IOException(
                            "$galleryID $index ${response.request().url()} CODE ${it.code()}"
                        )
                    }.body()?.use {
                        val padding = ceil(progress[galleryID]?.size?.let { log10(it.toFloat()) } ?: 0F).toInt()
                        Cache.getInstance(this@DownloadService, galleryID)
                            .putImage(index, "${index.toString().padStart(padding, '0')}.$ext", it.byteStream())
                        progress[galleryID]?.set(index, Float.POSITIVE_INFINITY)
                        notify(galleryID)
                        if (isCompleted(galleryID)) {
                            if (DownloadManager.getInstance(this@DownloadService)
                                    .getDownloadFolder(galleryID) != null
                            )
                                Cache.getInstance(this@DownloadService, galleryID).moveToDownload()
                            startId?.let { stopSelf(it) }
                        }
                    } ?: throw Exception("Response null")
                }.onFailure {
                    FirebaseCrashlytics.getInstance().recordException(it)
                }
            }
        }
    }
    fun cancel(startId: Int? = null) {
        client.dispatcher().queuedCalls().filter {
            it.request().tag() is Tag
        }.forEach {
            (it.request().tag() as? Tag)?.startId?.let { stopSelf(it) }
            it.cancel()
        }
        client.dispatcher().runningCalls().filter {
            it.request().tag() is Tag
        }.forEach {
            (it.request().tag() as? Tag)?.startId?.let { stopSelf(it) }
            it.cancel()
        }
        progress.clear()
        notification.clear()
        notificationManager.cancelAll()
        startId?.let { stopSelf(it) }
    }
    fun cancel(galleryID: Int, startId: Int? = null) {
        client.dispatcher().queuedCalls().filter {
            (it.request().tag() as? Tag)?.galleryID == galleryID
        }.forEach {
            (it.request().tag() as? Tag)?.startId?.let { stopSelf(it) }
            it.cancel()
        }
        client.dispatcher().runningCalls().filter {
            (it.request().tag() as? Tag)?.galleryID == galleryID
        }.forEach {
            (it.request().tag() as? Tag)?.startId?.let { stopSelf(it) }
            it.cancel()
        }
        progress.remove(galleryID)
        notification.remove(galleryID)
        notificationManager.cancel(galleryID)
        startId?.let { stopSelf(it) }
    }
    fun delete(galleryID: Int, startId: Int? = null) = CoroutineScope(Dispatchers.IO).launch {
        cancel(galleryID)
        DownloadManager.getInstance(this@DownloadService).deleteDownloadFolder(galleryID)
        Cache.delete(this@DownloadService, galleryID)
        startId?.let { stopSelf(it) }
    }
    fun download(galleryID: Int, priority: Boolean = false, startId: Int? = null): Job = CoroutineScope(Dispatchers.IO).launch {
        if (DownloadManager.getInstance(this@DownloadService).isDownloading(galleryID))
            return@launch
        cleanCache(this@DownloadService)
        val cache = Cache.getInstance(this@DownloadService, galleryID)
        initNotification(galleryID)
        val galleryInfo = cache.getGalleryInfo()
        // Gallery doesn't exist
        if (galleryInfo == null) {
            delete(galleryID)
            progress[galleryID] = mutableListOf()
            return@launch
        }
        histories.add(galleryID)
        progress[galleryID] = MutableList(galleryInfo.files.size) { 0F }
        cache.metadata.imageList?.let {
            it.forEachIndexed { index, image ->
                progress[galleryID]?.set(index, if (image != null) Float.POSITIVE_INFINITY else 0F)
            }
        }
        if (isCompleted(galleryID)) {
            if (DownloadManager.getInstance(this@DownloadService)
                    .getDownloadFolder(galleryID) != null )
                Cache.getInstance(this@DownloadService, galleryID).moveToDownload()
            notificationManager.cancel(galleryID)
            startId?.let { stopSelf(it) }
            return@launch
        }
        notification[galleryID]?.setContentTitle(galleryInfo.title?.ellipsize(30))
        notify(galleryID)
        val queued = mutableSetOf<Int>()
        if (priority) {
            client.dispatcher().queuedCalls().forEach {
                val queuedID = (it.request().tag() as? Tag)?.galleryID ?: return@forEach
                if (queued.add(queuedID))
                    cancel(queuedID)
            }
        }
        galleryInfo.getRequestBuilders().forEachIndexed { index, it ->
            if (progress[galleryID]?.get(index)?.isInfinite() == false) {
                val request = it.tag(Tag(galleryID, index, startId)).build()
                client.newCall(request).enqueue(callback)
            }
        }
        queued.forEach { download(it) }
    }
    //endregion
    companion object {
        const val KEY_COMMAND = "COMMAND"   // String
        const val KEY_ID = "ID"             // Int
        const val KEY_PRIORITY = "PRIORITY" // Boolean
        const val COMMAND_DOWNLOAD = "DOWNLOAD"
        const val COMMAND_CANCEL = "CANCEL"
        const val COMMAND_DELETE = "DELETE"
        private fun command(context: Context, extras: Intent.() -> Unit) {
            ContextCompat.startForegroundService(context, Intent(context, DownloadService::class.java).apply(extras))
        }
        fun download(context: Context, galleryID: Int, priority: Boolean = false) {
            command(context) {
                putExtra(KEY_COMMAND, COMMAND_DOWNLOAD)
                putExtra(KEY_PRIORITY, priority)
                putExtra(KEY_ID, galleryID)
            }
        }
        fun cancel(context: Context, galleryID: Int? = null) {
            command(context) {
                putExtra(KEY_COMMAND, COMMAND_CANCEL)
                galleryID?.let { putExtra(KEY_ID, it) }
            }
        }
        fun delete(context: Context, galleryID: Int) {
            command(context) {
                putExtra(KEY_COMMAND, COMMAND_DELETE)
                putExtra(KEY_ID, galleryID)
            }
        }
    }
    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        startForeground(R.id.downloader_notification_id, serviceNotification.build())
        when (intent?.getStringExtra(KEY_COMMAND)) {
            COMMAND_DOWNLOAD -> intent.getIntExtra(KEY_ID, -1).let { if (it > 0)
                download(it, intent.getBooleanExtra(KEY_PRIORITY, false), startId)
            }
            COMMAND_CANCEL -> intent.getIntExtra(KEY_ID, -1).let { if (it > 0) cancel(it, startId) else cancel(startId = startId) }
            COMMAND_DELETE -> intent.getIntExtra(KEY_ID, -1).let { if (it > 0) delete(it, startId) }
        }
        return START_NOT_STICKY
    }
    inner class Binder : android.os.Binder() {
        val service = this@DownloadService
    }
    private val binder = Binder()
    override fun onBind(p0: Intent?) = binder
    override fun onCreate() {
        startForeground(R.id.downloader_notification_id, serviceNotification.build())
        interceptors[Tag::class] = interceptor
    }
    override fun onDestroy() {
        interceptors.remove(Tag::class)
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/services/ImageCacheService.kt
+++ b/app/src/main/java/xyz/quaver/pupil/services/ImageCacheService.kt
@@ -0,0 +1,57 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.services
 import android.annotation.SuppressLint
 import android.app.job.JobParameters
 import android.app.job.JobService
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import dagger.hilt.android.AndroidEntryPoint
 import io.ktor.util.cio.writeChannel
 import io.ktor.util.collections.ConcurrentMap
 import io.ktor.util.collections.ConcurrentSet
 import io.ktor.utils.io.copyAndClose
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.cancelAndJoin
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
 import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.networking.GalleryFile
 import xyz.quaver.pupil.networking.HitomiHttpClient
 import java.io.File
@SuppressLint("SpecifyJobSchedulerIdRange")
@AndroidEntryPoint
 class ImageCacheService : JobService() {
    override fun onStartJob(params: JobParameters?): Boolean {
        return false
    }
    override fun onStopJob(params: JobParameters?): Boolean {
        return false
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/types/Suggestions.kt
+++ b/app/src/main/java/xyz/quaver/pupil/types/Suggestions.kt
@@ -1,50 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.types
 import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
 import xyz.quaver.floatingsearchview.suggestions.model.SearchSuggestion
 import xyz.quaver.pupil.hitomi.Suggestion
 import xyz.quaver.pupil.util.translations
@Parcelize
 data class TagSuggestion(val s: String, val t: Int, val u: String, val n: String) : SearchSuggestion {
    constructor(s: Suggestion) : this(s.s, s.t, s.u, s.n)
    @IgnoredOnParcel
    override val body =
        if (translations[s] != null)
            "${translations[s]} ($s)"
        else
            s
 }
@Parcelize
 class Suggestion(override val body: String) : SearchSuggestion
@Parcelize
 class NoResultSuggestion(override val body: String) : SearchSuggestion
@Parcelize
 class LoadingSuggestion(override val body: String) : SearchSuggestion
@Parcelize
@Suppress("PARCELABLE_PRIMARY_CONSTRUCTOR_IS_EMPTY")
 class FavoriteHistorySwitch(override val body: String) : SearchSuggestion
--- a/app/src/main/java/xyz/quaver/pupil/ui/BaseActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/BaseActivity.kt
@@ -1,67 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui
 import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 import android.os.PersistableBundle
 import android.view.WindowManager
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.CallSuper
 import androidx.appcompat.app.AppCompatActivity
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.util.LockManager
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.normalizeID
 open class BaseActivity : AppCompatActivity() {
    private var locked: Boolean = true
    private val lockLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
        if (it.resultCode == Activity.RESULT_OK)
            locked = false
        else
            finish()
    }
    @CallSuper
    override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
        super.onCreate(savedInstanceState, persistentState)
        locked = !LockManager(this).locks.isNullOrEmpty()
    }
    @CallSuper
    override fun onResume() {
        super.onResume()
        if (Preferences["security_mode"])
            window.setFlags(
                WindowManager.LayoutParams.FLAG_SECURE,
                WindowManager.LayoutParams.FLAG_SECURE)
        else
            window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
        if (locked)
            lockLauncher.launch(Intent(this, LockActivity::class.java))
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt
@@ -1,280 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui
 import android.app.Activity
 import android.app.AlertDialog
 import android.os.Bundle
 import android.view.animation.Animation
 import android.view.animation.AnimationUtils
 import androidx.appcompat.app.AppCompatActivity
 import androidx.biometric.BiometricManager
 import androidx.biometric.BiometricPrompt
 import androidx.core.content.ContextCompat
 import com.andrognito.patternlockview.PatternLockView
 import com.google.android.material.snackbar.Snackbar
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.LockActivityBinding
 import xyz.quaver.pupil.ui.fragment.PINLockFragment
 import xyz.quaver.pupil.ui.fragment.PatternLockFragment
 import xyz.quaver.pupil.util.Lock
 import xyz.quaver.pupil.util.LockManager
 import xyz.quaver.pupil.util.Preferences
 private var lastUnlocked = 0L
 class LockActivity : AppCompatActivity() {
    private lateinit var lockManager: LockManager
    private var mode: String? = null
    private lateinit var binding: LockActivityBinding
    private val patternLockFragment = PatternLockFragment().apply {
        var lastPass = ""
        onPatternDrawn = {
            when(mode) {
                null -> {
                    val result = lockManager.check(it)
                    if (result == true) {
                        lastUnlocked = System.currentTimeMillis()
                        setResult(Activity.RESULT_OK)
                        finish()
                    } else
                        binding.patternLockView.setViewMode(PatternLockView.PatternViewMode.WRONG)
                }
                "add_lock" -> {
                    if (lastPass.isEmpty()) {
                        lastPass = it
                        Snackbar.make(view!!, R.string.settings_lock_confirm, Snackbar.LENGTH_LONG).show()
                    } else {
                        if (lastPass == it) {
                            LockManager(context!!).add(Lock.generate(Lock.Type.PATTERN, it))
                            finish()
                        } else {
                            binding.patternLockView.setViewMode(PatternLockView.PatternViewMode.WRONG)
                            lastPass = ""
                            Snackbar.make(view!!, R.string.settings_lock_wrong_confirm, Snackbar.LENGTH_LONG).show()
                        }
                    }
                }
            }
        }
    }
    private val pinLockFragment = PINLockFragment().apply {
        var lastPass = ""
        onPINEntered = {
            when(mode) {
                null -> {
                    val result = lockManager.check(it)
                    if (result == true) {
                        lastUnlocked = System.currentTimeMillis()
                        setResult(Activity.RESULT_OK)
                        finish()
                    } else {
                        binding.indicatorDots.startAnimation(AnimationUtils.loadAnimation(context, R.anim.shake).apply {
                            setAnimationListener(object: Animation.AnimationListener {
                                override fun onAnimationEnd(animation: Animation?) {
                                    binding.pinLockView.resetPinLockView()
                                    binding.pinLockView.isEnabled = true
                                }
                                override fun onAnimationStart(animation: Animation?) {
                                    binding.pinLockView.isEnabled = false
                                }
                                override fun onAnimationRepeat(animation: Animation?) {
                                    // Do Nothing
                                }
                            })
                        })
                    }
                }
                "add_lock" -> {
                    if (lastPass.isEmpty()) {
                        lastPass = it
                        binding.pinLockView.resetPinLockView()
                        Snackbar.make(view!!, R.string.settings_lock_confirm, Snackbar.LENGTH_LONG).show()
                    } else {
                        if (lastPass == it) {
                            LockManager(context!!).add(Lock.generate(Lock.Type.PIN, it))
                            finish()
                        } else {
                            binding.indicatorDots.startAnimation(AnimationUtils.loadAnimation(context, R.anim.shake).apply {
                                setAnimationListener(object: Animation.AnimationListener {
                                    override fun onAnimationEnd(animation: Animation?) {
                                        binding.pinLockView.resetPinLockView()
                                        binding.pinLockView.isEnabled = true
                                    }
                                    override fun onAnimationStart(animation: Animation?) {
                                        binding.pinLockView.isEnabled = false
                                    }
                                    override fun onAnimationRepeat(animation: Animation?) {
                                        // Do Nothing
                                    }
                                })
                            })
                            lastPass = ""
                            Snackbar.make(view!!, R.string.settings_lock_wrong_confirm, Snackbar.LENGTH_LONG).show()
                        }
                    }
                }
            }
        }
    }
    private fun showBiometricPrompt() {
        val promptInfo = BiometricPrompt.PromptInfo.Builder()
            .setTitle(getText(R.string.settings_lock_fingerprint_prompt))
            .setSubtitle(getText(R.string.settings_lock_fingerprint_prompt_subtitle))
            .setNegativeButtonText(getText(android.R.string.cancel))
            .setConfirmationRequired(false)
            .build()
        val biometricPrompt = BiometricPrompt(this, ContextCompat.getMainExecutor(this),
            object : BiometricPrompt.AuthenticationCallback() {
                override fun onAuthenticationSucceeded(
                    result: BiometricPrompt.AuthenticationResult) {
                    super.onAuthenticationSucceeded(result)
                    lastUnlocked = System.currentTimeMillis()
                    setResult(RESULT_OK)
                    finish()
                    return
                }
            })
        // Displays the "log in" prompt.
        biometricPrompt.authenticate(promptInfo)
    }
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = LockActivityBinding.inflate(layoutInflater)
        setContentView(binding.root)
        lockManager = try {
            LockManager(this)
        } catch (e: Exception) {
            AlertDialog.Builder(this).apply {
                setTitle(R.string.warning)
                setMessage(R.string.lock_corrupted)
                setPositiveButton(android.R.string.ok) { _, _ ->
                    finish()
                }
            }.show()
            return
        }
        mode = intent.getStringExtra("mode")
        val force = intent.getBooleanExtra("force", false)
        when(mode) {
            null -> {
                if (lockManager.isEmpty()) {
                    setResult(RESULT_OK)
                    finish()
                    return
                }
                if (System.currentTimeMillis() - lastUnlocked < 5*60*1000 && !force) {
                    lastUnlocked = System.currentTimeMillis()
                    setResult(RESULT_OK)
                    finish()
                    return
                }
                if (
                    Preferences["lock_fingerprint"]
                    && BiometricManager.from(this).canAuthenticate() == BiometricManager.BIOMETRIC_SUCCESS
                ) {
                    binding.fingerprintBtn.apply {
                        isEnabled = true
                        setOnClickListener {
                            showBiometricPrompt()
                        }
                    }
                    showBiometricPrompt()
                }
                binding.patternBtn.apply {
                    isEnabled = lockManager.contains(Lock.Type.PATTERN)
                    setOnClickListener {
                        supportFragmentManager.beginTransaction().replace(
                            R.id.lock_content, patternLockFragment
                        ).commit()
                    }
                }
                binding.pinBtn.apply {
                    isEnabled = lockManager.contains(Lock.Type.PIN)
                    setOnClickListener {
                        supportFragmentManager.beginTransaction().replace(
                            R.id.lock_content, pinLockFragment
                        ).commit()
                    }
                }
                binding.passwordBtn.isEnabled = false
                when (lockManager.locks!!.first().type) {
                    Lock.Type.PIN -> {
                        supportFragmentManager.beginTransaction().add(
                            R.id.lock_content, pinLockFragment
                        ).commit()
                    }
                    Lock.Type.PATTERN -> {
                        supportFragmentManager.beginTransaction().add(
                            R.id.lock_content, patternLockFragment
                        ).commit()
                    }
                    else -> return
                }
            }
            "add_lock" -> {
                binding.patternBtn.isEnabled = false
                binding.pinBtn.isEnabled = false
                binding.fingerprintBtn.isEnabled = false
                binding.passwordBtn.isEnabled = false
                when(intent.getStringExtra("type")!!) {
                    "pattern" -> {
                        binding.patternBtn.isEnabled = true
                        supportFragmentManager.beginTransaction().add(
                            R.id.lock_content, patternLockFragment
                        ).commit()
                    }
                    "pin" -> {
                        binding.pinBtn.isEnabled = true
                        supportFragmentManager.beginTransaction().add(
                            R.id.lock_content, pinLockFragment
                        ).commit()
                    }
                }
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
@@ -18,860 +18,52 @@
 package xyz.quaver.pupil.ui
 import android.annotation.SuppressLint
 import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
-import android.text.InputType
+import androidx.activity.ComponentActivity
-import android.text.util.Linkify
+import androidx.activity.compose.setContent
-import android.util.Log
+import androidx.activity.enableEdgeToEdge
-import android.view.KeyEvent
+import androidx.activity.viewModels
-import android.view.MenuItem
+import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
-import android.view.View
+import androidx.compose.material3.windowsizeclass.calculateWindowSizeClass
-import android.view.animation.DecelerateInterpolator
+import androidx.compose.runtime.getValue
-import android.widget.EditText
+import androidx.core.view.WindowCompat
-import android.widget.TextView
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import androidx.appcompat.app.AlertDialog
+import androidx.navigation.compose.rememberNavController
-import androidx.core.content.ContextCompat
+import com.google.accompanist.adaptive.calculateDisplayFeatures
-import androidx.core.view.GravityCompat
+import xyz.quaver.pupil.ui.composable.MainApp
-import androidx.core.view.ViewCompat
+import xyz.quaver.pupil.ui.theme.AppTheme
-import androidx.recyclerview.widget.RecyclerView
+import xyz.quaver.pupil.ui.viewmodel.MainViewModel
 import androidx.webkit.WebViewCompat
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.snackbar.Snackbar
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.*
 import xyz.quaver.floatingsearchview.FloatingSearchView
 import xyz.quaver.floatingsearchview.suggestions.model.SearchSuggestion
 import xyz.quaver.floatingsearchview.util.view.MenuView
 import xyz.quaver.floatingsearchview.util.view.SearchInputView
 import xyz.quaver.pupil.hitomi.doSearch
 import xyz.quaver.pupil.hitomi.getGalleryIDsFromNozomi
 import xyz.quaver.pupil.hitomi.getSuggestionsForQuery
 import xyz.quaver.pupil.*
 import xyz.quaver.pupil.adapters.GalleryBlockAdapter
 import xyz.quaver.pupil.databinding.MainActivityBinding
 import xyz.quaver.pupil.services.DownloadService
 import xyz.quaver.pupil.types.*
 import xyz.quaver.pupil.ui.dialog.DownloadLocationDialogFragment
 import xyz.quaver.pupil.ui.dialog.GalleryDialog
 import xyz.quaver.pupil.ui.view.MainView
 import xyz.quaver.pupil.ui.view.ProgressCard
 import xyz.quaver.pupil.util.ItemClickSupport
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.checkUpdate
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import xyz.quaver.pupil.util.restore
 import java.util.regex.Pattern
 import kotlin.math.*
 class MainActivity :
    BaseActivity(),
    NavigationView.OnNavigationItemSelectedListener
 {
    enum class Mode {
        SEARCH,
        HISTORY,
        DOWNLOAD,
        FAVORITE
    }
    enum class SortMode {
        NEWEST,
        POPULAR
    }
    private val galleries = ArrayList<Int>()
    private var query = ""
    set(value) {
        field = value
        with(findViewById<SearchInputView>(R.id.search_bar_text)) {
            if (text.toString() != value)
                setText(query, TextView.BufferType.EDITABLE)
        }
    }
    private var queryStack = mutableListOf<String>()
    private var mode = Mode.SEARCH
    private var sortMode = SortMode.NEWEST
    private var galleryIDs: Deferred<List<Int>>? = null
    private var totalItems = 0
    private var loadingJob: Job? = null
    private var currentPage = 0
    private lateinit var binding: MainActivityBinding
    private var oldWebViewJob: Job? = null
 class MainActivity : ComponentActivity() {
    @OptIn(ExperimentalMaterial3WindowSizeClassApi::class)
    override fun onCreate(savedInstanceState: Bundle?) {
        enableEdgeToEdge()
        super.onCreate(savedInstanceState)
        binding = MainActivityBinding.inflate(layoutInflater)
        setContentView(binding.root)
-        if (intent.action == Intent.ACTION_VIEW) {
+        val viewModel: MainViewModel by viewModels()
            intent.dataString?.let { url ->
                restore(url,
                    onFailure = {
                        Snackbar.make(binding.contents.recyclerview, R.string.settings_backup_failed, Snackbar.LENGTH_LONG).show()
                    }, onSuccess = {
                        Snackbar.make(binding.contents.recyclerview, getString(R.string.settings_restore_success, it.size), Snackbar.LENGTH_LONG).show()
                    }
                )
            }
        }
-        if (Preferences["download_folder", ""].isEmpty())
+        WindowCompat.setDecorFitsSystemWindows(window, false)
            DownloadLocationDialogFragment().show(supportFragmentManager, "Download Location Dialog")
-        oldWebViewJob = CoroutineScope(Dispatchers.Unconfined).launch {
+        setContent {
-            do {
+            AppTheme {
-                delay(1000)
+                val windowSize = calculateWindowSizeClass(this)
-                if (oldWebView) {
+                val displayFeatures = calculateDisplayFeatures(this)
-                    AlertDialog.Builder(this@MainActivity)
+
-                        .setTitle(android.R.string.dialog_alert_title)
+                val uiState by viewModel.searchState.collectAsStateWithLifecycle()
-                        .setMessage(R.string.old_webview)
+
-                        .setCancelable(false)
+                val navController = rememberNavController()
-                        .setPositiveButton(android.R.string.ok) { _, _ ->
+
-                            WebViewCompat.getCurrentWebViewPackage(this@MainActivity)?.packageName?.let { packageName ->
+                MainApp(
-                                try {
+                    windowSize = windowSize,
-                                    startActivity(
+                    displayFeatures = displayFeatures,
-                                        Intent(
+                    uiState = uiState,
-                                            Intent.ACTION_VIEW,
+                    navController = navController,
-                                            Uri.parse("market://details?id=$packageName")
+                    openGalleryDetails = viewModel::openGalleryDetails,
-                                        )
+                    closeGalleryDetails = viewModel::closeGalleryDetails,
-                                    )
+                    onQueryChange = viewModel::onQueryChange,
-                                } catch (e: ActivityNotFoundException) {
+                    loadSearchResult = viewModel::loadSearchResult
                                    startActivity(
                                        Intent(
                                            Intent.ACTION_VIEW,
                                            Uri.parse("https://play.google.com/store/apps/details?id=$packageName")
                                        )
                )
            }
        }
    }
                        .show()
                    break
                }
            } while (isActive)
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R && !Preferences["download_folder_ignore_warning", false] &&
            ContextCompat.getExternalFilesDirs(this, null).filterNotNull().map { Uri.fromFile(it).toString() }
                .contains(Preferences["download_folder", ""])
        ) {
            AlertDialog.Builder(this)
                .setTitle(R.string.warning)
                .setMessage(R.string.unaccessible_download_folder)
                .setPositiveButton(android.R.string.ok) { _, _ ->
                    DownloadLocationDialogFragment().show(supportFragmentManager, "Download Location Dialog")
                }.setNegativeButton(R.string.ignore) { _, _ ->
                    Preferences["download_folder_ignore_warning"] = true
                }.show()
        }
        initView()
    }
    override fun onResume() {
        super.onResume()
        checkUpdate(this)
    }
    @OptIn(ExperimentalStdlibApi::class)
    override fun onBackPressed() {
        when {
            binding.drawer.isDrawerOpen(GravityCompat.START) -> binding.drawer.closeDrawer(GravityCompat.START)
            queryStack.removeLastOrNull() != null && queryStack.isNotEmpty() -> runOnUiThread {
                query = queryStack.last()
                cancelFetch()
                clearGalleries()
                fetchGalleries(query, sortMode)
                loadBlocks()
            }
            else -> super.onBackPressed()
        }
    }
    override fun onDestroy() {
        super.onDestroy()
        oldWebViewJob?.cancel()
        (binding.contents.recyclerview.adapter as? GalleryBlockAdapter)?.updateAll = false
    }
    override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
        val perPage = Preferences["per_page", "25"].toInt()
        val maxPage = ceil(totalItems / perPage.toDouble()).roundToInt()
        return when(keyCode) {
            KeyEvent.KEYCODE_VOLUME_UP -> {
                if (currentPage > 0) {
                    runOnUiThread {
                        currentPage--
                        cancelFetch()
                        clearGalleries()
                        fetchGalleries(query, sortMode)
                        loadBlocks()
                    }
                }
                true
            }
            KeyEvent.KEYCODE_VOLUME_DOWN -> {
                if (currentPage < maxPage) {
                    runOnUiThread {
                        currentPage++
                        cancelFetch()
                        clearGalleries()
                        fetchGalleries(query, sortMode)
                        loadBlocks()
                    }
                }
                true
            }
            else -> super.onKeyDown(keyCode, event)
        }
    }
    private fun initView() {
        binding.contents.recyclerview.addOnScrollListener(object: RecyclerView.OnScrollListener() {
            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                // -height of the search view < translationY < 0
                binding.contents.searchview.translationY =
                    min(
                        max(
                        binding.contents.searchview.translationY - dy,
                        -binding.contents.searchview.binding.querySection.root.height.toFloat()
                    ), 0F)
                if (dy > 0)
                    binding.contents.fab.hideMenuButton(true)
                else if (dy < 0)
                    binding.contents.fab.showMenuButton(true)
            }
        })
        Linkify.addLinks(binding.contents.noresult, Pattern.compile(getString(R.string.https_text)), null, null, { _, _ -> getString(R.string.https) })
        //NavigationView
        binding.navView.setNavigationItemSelectedListener(this)
        with(binding.contents.cancelFab) {
            setImageResource(R.drawable.cancel)
            setOnClickListener {
                DownloadService.cancel(this@MainActivity)
            }
        }
        with(binding.contents.jumpFab) {
            setImageResource(R.drawable.ic_jump)
            setOnClickListener {
                val perPage = Preferences["per_page", "25"].toInt()
                val editText = EditText(context)
                AlertDialog.Builder(context).apply {
                    setView(editText)
                    setTitle(R.string.main_jump_title)
                    setMessage(getString(
                        R.string.main_jump_message,
                        currentPage+1,
                        ceil(totalItems / perPage.toDouble()).roundToInt()
                    ))
                    setPositiveButton(android.R.string.ok) { _, _ ->
                        currentPage = (editText.text.toString().toIntOrNull() ?: return@setPositiveButton)-1
                        runOnUiThread {
                            cancelFetch()
                            clearGalleries()
                            loadBlocks()
                        }
                    }
                }.show()
            }
        }
        with(binding.contents.randomFab) {
            setImageResource(R.drawable.shuffle_variant)
            setOnClickListener {
                runBlocking {
                    withTimeoutOrNull(100) {
                        galleryIDs?.await()
                    }
                }.let {
                    if (it?.isEmpty() == false) {
                        val galleryID = it.random()
                        GalleryDialog(this@MainActivity, galleryID).apply {
                            onChipClickedHandler.add {
                                runOnUiThread {
                                    query = it.toQuery()
                                    currentPage = 0
                                    cancelFetch()
                                    clearGalleries()
                                    fetchGalleries(query, sortMode)
                                    loadBlocks()
                                }
                                dismiss()
                            }
                        }.show()
                    }
                }
            }
        }
        with(binding.contents.idFab) {
            setImageResource(R.drawable.numeric)
            setOnClickListener {
                val editText = EditText(context).apply {
                    inputType = InputType.TYPE_CLASS_NUMBER
                }
                AlertDialog.Builder(context).apply {
                    setView(editText)
                    setTitle(R.string.main_open_gallery_by_id)
                    setPositiveButton(android.R.string.ok) { _, _ ->
                        val galleryID = editText.text.toString().toIntOrNull() ?: return@setPositiveButton
                        GalleryDialog(this@MainActivity, galleryID).apply {
                            onChipClickedHandler.add {
                                runOnUiThread {
                                    query = it.toQuery()
                                    currentPage = 0
                                    cancelFetch()
                                    clearGalleries()
                                    fetchGalleries(query, sortMode)
                                    loadBlocks()
                                }
                                dismiss()
                            }
                        }.show()
                    }
                }.show()
            }
        }
        with(binding.contents.view) {
            setOnPageTurnListener(object: MainView.OnPageTurnListener {
                override fun onPrev(page: Int) {
                    currentPage--
                    // disable pageturn until the contents are loaded
                    setCurrentPage(1, false)
                    ViewCompat.animate(binding.contents.searchview)
                        .setDuration(100)
                        .setInterpolator(DecelerateInterpolator())
                        .translationY(0F)
                    cancelFetch()
                    clearGalleries()
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
                override fun onNext(page: Int) {
                    currentPage++
                    // disable pageturn until the contents are loaded
                    setCurrentPage(1, false)
                    ViewCompat.animate(binding.contents.searchview)
                        .setDuration(100)
                        .setInterpolator(DecelerateInterpolator())
                        .translationY(0F)
                    cancelFetch()
                    clearGalleries()
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
            })
        }
        setupSearchBar()
        setupRecyclerView()
        fetchGalleries(query, sortMode)
        loadBlocks()
    }
    @SuppressLint("ClickableViewAccessibility")
    private fun setupRecyclerView() {
        with(binding.contents.recyclerview) {
            adapter = GalleryBlockAdapter(galleries).apply {
                onChipClickedHandler.add {
                    runOnUiThread {
                        query = it.toQuery()
                        currentPage = 0
                        cancelFetch()
                        clearGalleries()
                        fetchGalleries(query, sortMode)
                        loadBlocks()
                    }
                }
                onDownloadClickedHandler = { position ->
                    val galleryID = galleries[position]
                    if (DownloadManager.getInstance(context).isDownloading(galleryID)) {     //download in progress
                        DownloadService.cancel(this@MainActivity, galleryID)
                    }
                    else {
                        DownloadManager.getInstance(context).addDownloadFolder(galleryID)
                        DownloadService.download(this@MainActivity, galleryID)
                    }
                    closeAllItems()
                }
                onDeleteClickedHandler = { position ->
                    val galleryID = galleries[position]
                    DownloadService.delete(this@MainActivity, galleryID)
                    histories.remove(galleryID)
                    if (this@MainActivity.mode != Mode.SEARCH)
                        runOnUiThread {
                            cancelFetch()
                            clearGalleries()
                            fetchGalleries(query, sortMode)
                            loadBlocks()
                        }
                    closeAllItems()
                }
            }
            ItemClickSupport.addTo(this).apply {
                onItemClickListener = listener@{ _, position, v ->
                    if (v !is ProgressCard)
                        return@listener
                    val intent = Intent(this@MainActivity, ReaderActivity::class.java)
                    intent.putExtra("galleryID", galleries[position])
                    //TODO: Maybe sprinkling some transitions will be nice :D
                    startActivity(intent)
                }
                onItemLongClickListener = listener@{ _, position, v ->
                    if (v !is ProgressCard)
                        return@listener false
                    val galleryID = galleries.getOrNull(position) ?: return@listener true
                    GalleryDialog(this@MainActivity, galleryID).apply {
                        onChipClickedHandler.add {
                            runOnUiThread {
                                query = it.toQuery()
                                currentPage = 0
                                cancelFetch()
                                clearGalleries()
                                fetchGalleries(query, sortMode)
                                loadBlocks()
                            }
                            dismiss()
                        }
                    }.show()
                    true
                }
            }
        }
    }
    private var isFavorite = false
    private val defaultSuggestions: List<SearchSuggestion>
        get() = when {
            isFavorite -> {
                favoriteTags.map {
                    TagSuggestion(it.tag, -1, "", it.area ?: "tag")
                } + FavoriteHistorySwitch(getString(R.string.search_show_histories))
            }
            else -> {
                searchHistory.map {
                    Suggestion(it)
                }.takeLast(10) + FavoriteHistorySwitch(getString(R.string.search_show_tags))
            }
        }.reversed()
    private var suggestionJob : Job? = null
    private fun setupSearchBar() {
        with(binding.contents.searchview) {
            onMenuStatusChangeListener = object: FloatingSearchView.OnMenuStatusChangeListener {
                override fun onMenuOpened() {
                    (this@MainActivity.binding.contents.recyclerview.adapter as GalleryBlockAdapter).closeAllItems()
                }
                override fun onMenuClosed() {
                    //Do Nothing
                }
            }
            post {
                findViewById<MenuView>(R.id.menu_view).menuItems.firstOrNull {
                    (it as MenuItem).itemId == R.id.main_menu_thin
                }?.let {
                    (it as MenuItem).isChecked = Preferences["thin"]
                }
            }
            onHistoryDeleteClickedListener = {
                searchHistory.remove(it)
                swapSuggestions(defaultSuggestions)
            }
            onFavoriteHistorySwitchClickListener = {
                isFavorite = !isFavorite
                swapSuggestions(defaultSuggestions)
            }
            onMenuItemClickListener = {
                onActionMenuItemSelected(it)
            }
            onQueryChangeListener = lambda@{ _, query ->
                this@MainActivity.query = query
                suggestionJob?.cancel()
                if (query.isEmpty() or query.endsWith(' ')) {
                    swapSuggestions(defaultSuggestions)
                    return@lambda
                }
                swapSuggestions(listOf(LoadingSuggestion(getText(R.string.reader_loading).toString())))
                val currentQuery = query.split(" ").last()
                    .replace(Regex("^-"), "")
                    .replace('_', ' ')
                suggestionJob = CoroutineScope(Dispatchers.IO).launch {
                    val suggestions = kotlin.runCatching {
                        getSuggestionsForQuery(currentQuery).map { TagSuggestion(it) }.toMutableList()
                    }.getOrElse { mutableListOf() }
                    suggestions.filter {
                        val tag = "${it.n}:${it.s.replace(Regex("\\s"), "_")}"
                        favoriteTags.contains(Tag.parse(tag))
                    }.reversed().forEach {
                        suggestions.remove(it)
                        suggestions.add(0, it)
                    }
                    withContext(Dispatchers.Main) {
                        swapSuggestions(if (suggestions.isNotEmpty()) suggestions else listOf(NoResultSuggestion(getText(R.string.main_no_result).toString())))
                    }
                }
            }
            onFocusChangeListener = object: FloatingSearchView.OnFocusChangeListener {
                override fun onFocus() {
                    if (query.isEmpty() or query.endsWith(' '))
                        swapSuggestions(defaultSuggestions)
                }
                override fun onFocusCleared() {
                    suggestionJob?.cancel()
                    runOnUiThread {
                        cancelFetch()
                        clearGalleries()
                        currentPage = 0
                        fetchGalleries(query, sortMode)
                        loadBlocks()
                    }
                }
            }
            attachNavigationDrawerToMenuButton(this@MainActivity.binding.drawer)
        }
    }
    fun onActionMenuItemSelected(item: MenuItem?) {
        when(item?.itemId) {
            R.id.main_menu_settings -> startActivity(Intent(this@MainActivity, SettingsActivity::class.java))
            R.id.main_menu_thin -> {
                val thin = !item.isChecked
                item.isChecked = thin
                binding.contents.recyclerview.apply {
                    (adapter as GalleryBlockAdapter).apply {
                        this.thin = thin
                        Preferences["thin"] = thin
                    }
                    adapter = adapter       // Force to redraw
                }
            }
            R.id.main_menu_sort_newest -> {
                sortMode = SortMode.NEWEST
                item.isChecked = true
                runOnUiThread {
                    currentPage = 0
                    cancelFetch()
                    clearGalleries()
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
            }
            R.id.main_menu_sort_popular -> {
                sortMode = SortMode.POPULAR
                item.isChecked = true
                runOnUiThread {
                    currentPage = 0
                    cancelFetch()
                    clearGalleries()
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
            }
        }
    }
    override fun onNavigationItemSelected(item: MenuItem): Boolean {
        runOnUiThread {
            binding.drawer.closeDrawers()
            when(item.itemId) {
                R.id.main_drawer_home -> {
                    cancelFetch()
                    clearGalleries()
                    currentPage = 0
                    query = ""
                    queryStack.clear()
                    mode = Mode.SEARCH
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
                R.id.main_drawer_history -> {
                    cancelFetch()
                    clearGalleries()
                    currentPage = 0
                    query = ""
                    queryStack.clear()
                    mode = Mode.HISTORY
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
                R.id.main_drawer_downloads -> {
                    cancelFetch()
                    clearGalleries()
                    currentPage = 0
                    query = ""
                    queryStack.clear()
                    mode = Mode.DOWNLOAD
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
                R.id.main_drawer_favorite -> {
                    cancelFetch()
                    clearGalleries()
                    currentPage = 0
                    query = ""
                    queryStack.clear()
                    mode = Mode.FAVORITE
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
                R.id.main_drawer_help -> {
                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.help))))
                }
                R.id.main_drawer_github -> {
                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.github))))
                }
                R.id.main_drawer_homepage -> {
                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.home_page))))
                }
                R.id.main_drawer_email -> {
                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.email))))
                }
                R.id.main_drawer_kakaotalk -> {
                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.discord))))
                }
            }
        }
        return true
    }
    private fun cancelFetch() {
        galleryIDs?.cancel()
        loadingJob?.cancel()
    }
    private fun clearGalleries() = CoroutineScope(Dispatchers.Main).launch {
        galleries.clear()
        with(binding.contents.recyclerview.adapter as GalleryBlockAdapter?) {
            this ?: return@with
            this.notifyDataSetChanged()
        }
        binding.contents.noresult.visibility = View.INVISIBLE
        binding.contents.progressbar.show()
    }
    private fun fetchGalleries(query: String, sortMode: SortMode) {
        val defaultQuery: String = Preferences["default_query"]
        if (query.isNotBlank())
            searchHistory.add(query)
        if (query != queryStack.lastOrNull()) {
            queryStack.remove(query)
            queryStack.add(query)
        }
        if (query.isNotEmpty() && mode != Mode.SEARCH) {
            Snackbar.make(binding.contents.recyclerview, R.string.search_all, Snackbar.LENGTH_SHORT).apply {
                setAction(android.R.string.ok) {
                    cancelFetch()
                    clearGalleries()
                    currentPage = 0
                    mode = Mode.SEARCH
                    queryStack.clear()
                    fetchGalleries(query, sortMode)
                    loadBlocks()
                }
            }.show()
        }
        galleryIDs = null
        if (galleryIDs?.isActive == true)
            return
        galleryIDs = CoroutineScope(Dispatchers.IO).async {
            when(mode) {
                Mode.SEARCH -> {
                    when {
                        query.isEmpty() and defaultQuery.isEmpty() -> {
                            when(sortMode) {
                                SortMode.POPULAR -> getGalleryIDsFromNozomi(null, "popular", "all")
                                else -> getGalleryIDsFromNozomi(null, "index", "all")
                            }.also {
                                totalItems = it.size
                            }
                        }
                        else -> doSearch("$defaultQuery $query", sortMode == SortMode.POPULAR).also {
                            totalItems = it.size
                        }
                    }
                }
                Mode.HISTORY -> {
                    when {
                        query.isEmpty() -> {
                            histories.reversed().also {
                                totalItems = it.size
                            }
                        }
                        else -> {
                            val result = doSearch(query).sorted()
                            histories.reversed().filter { result.binarySearch(it) >= 0 }.also {
                                totalItems = it.size
                            }
                        }
                    }
                }
                Mode.DOWNLOAD -> {
                    val downloads = DownloadManager.getInstance(this@MainActivity).downloadFolderMap.keys.toList()
                    when {
                        query.isEmpty() -> downloads.reversed().also {
                            totalItems = it.size
                        }
                        else -> {
                            val result = doSearch(query).sorted()
                            downloads.reversed().filter { result.binarySearch(it) >= 0 }.also {
                                totalItems = it.size
                            }
                        }
                    }
                }
                Mode.FAVORITE -> {
                    when {
                        query.isEmpty() -> favorites.reversed().also {
                            totalItems = it.size
                        }
                        else -> {
                            val result = doSearch(query).sorted()
                            favorites.reversed().filter { result.binarySearch(it) >= 0 }.also {
                                totalItems = it.size
                            }
                        }
                    }
                }
            }.toList()
        }
    }
    private fun loadBlocks() {
        val perPage = Preferences["per_page", "25"].toInt()
        loadingJob = CoroutineScope(Dispatchers.IO).launch {
            val galleryIDs = try {
                galleryIDs!!.await().also {
                    if (it.isEmpty())
                        throw Exception("No result")
                }
            } catch (e: Exception) {
                if (e !is CancellationException)
                    FirebaseCrashlytics.getInstance().recordException(e)
                withContext(Dispatchers.Main) {
                    binding.contents.noresult.visibility = View.VISIBLE
                    binding.contents.progressbar.hide()
                }
                return@launch
            }
            launch(Dispatchers.Main) {
                binding.contents.view.setCurrentPage(currentPage + 1, galleryIDs.size > (currentPage+1)*perPage)
            }
            galleryIDs.slice(currentPage*perPage until min(currentPage*perPage+perPage, galleryIDs.size)).chunked(5).let { chunks ->
                for (chunk in chunks)
                    chunk.map { galleryID ->
                        async {
                            Cache.getInstance(this@MainActivity, galleryID).getGalleryBlock()?.let {
                                galleryID
                            }
                        }
                    }.forEach {
                        it.await()?.also {
                            withContext(Dispatchers.Main) {
                                binding.contents.progressbar.hide()
                                galleries.add(it)
                                binding.contents.recyclerview.adapter!!.notifyItemInserted(galleries.size - 1)
                            }
                        }
                    }
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt
@@ -1,604 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui
 import android.Manifest
 import android.content.ComponentName
 import android.content.Intent
 import android.content.ServiceConnection
 import android.content.pm.PackageManager
 import android.graphics.drawable.Animatable
 import android.graphics.drawable.Drawable
 import android.os.Build
 import android.os.Bundle
 import android.os.IBinder
 import android.view.*
 import android.view.animation.Animation
 import android.view.animation.AnticipateInterpolator
 import android.view.animation.OvershootInterpolator
 import android.view.animation.TranslateAnimation
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.PagerSnapHelper
 import androidx.recyclerview.widget.RecyclerView
 import androidx.vectordrawable.graphics.drawable.Animatable2Compat
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
 import com.google.android.material.snackbar.Snackbar
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import com.google.mlkit.vision.face.Face
 import com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.adapters.ReaderAdapter
 import xyz.quaver.pupil.databinding.NumberpickerDialogBinding
 import xyz.quaver.pupil.databinding.ReaderActivityBinding
 import xyz.quaver.pupil.favorites
 import xyz.quaver.pupil.services.DownloadService
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.camera
 import xyz.quaver.pupil.util.closeCamera
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import xyz.quaver.pupil.util.startCamera
 class ReaderActivity : BaseActivity() {
    private var galleryID = 0
    private var currentPage = 0
    private var isScroll = true
    private var isFullscreen = false
    set(value) {
        field = value
        (binding.recyclerview.adapter as ReaderAdapter).isFullScreen = value
    }
    private lateinit var cache: Cache
    var downloader: DownloadService? = null
    private val conn = object: ServiceConnection {
        override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
            downloader = (service as DownloadService.Binder).service.also {
                it.priority = 0
                if (!it.progress.containsKey(galleryID))
                    DownloadService.download(this@ReaderActivity, galleryID, true)
            }
        }
        override fun onServiceDisconnected(name: ComponentName?) {
            downloader = null
        }
    }
    private val snapHelper = PagerSnapHelper()
    private var menu: Menu? = null
    private val requestPermissionLauncher = registerForActivityResult(ActivityResultContracts.RequestPermission()) { isGranted ->
        if (isGranted)
            toggleCamera()
        else
            AlertDialog.Builder(this)
                .setTitle(R.string.error)
                .setMessage(R.string.camera_denied)
                .setPositiveButton(android.R.string.ok) { _, _ ->}
                .show()
    }
    enum class Eye {
        LEFT,
        RIGHT
    }
    private var cameraEnabled = false
    private var eyeType: Eye? = null
    private var eyeTime: Long = 0L
    private lateinit var binding: ReaderActivityBinding
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ReaderActivityBinding.inflate(layoutInflater)
        setContentView(binding.root)
        title = getString(R.string.reader_loading)
        supportActionBar?.setDisplayHomeAsUpEnabled(false)
        handleIntent(intent)
        cache = Cache.getInstance(this, galleryID)
        FirebaseCrashlytics.getInstance().setCustomKey("GalleryID", galleryID)
        if (galleryID == 0) {
            onBackPressed()
            return
        }
        initDownloadListener()
        initView()
    }
    override fun onNewIntent(intent: Intent) {
        super.onNewIntent(intent)
        handleIntent(intent)
    }
    private fun handleIntent(intent: Intent) {
        if (intent.action == Intent.ACTION_VIEW) {
            val uri = intent.data
            val lastPathSegment = uri?.lastPathSegment
            if (uri != null && lastPathSegment != null) {
                galleryID = when (uri.host) {
                    "hitomi.la" ->
                        Regex("([0-9]+).html").find(lastPathSegment)?.groupValues?.get(1)?.toIntOrNull() ?: 0
                    "hiyobi.me" -> lastPathSegment.toInt()
                    "e-hentai.org" -> uri.pathSegments[1].toInt()
                    else -> 0
                }
            }
        } else {
            galleryID = intent.getIntExtra("galleryID", 0)
        }
    }
    override fun onCreateOptionsMenu(menu: Menu): Boolean {
        menuInflater.inflate(R.menu.reader, menu)
        with(menu.findItem(R.id.reader_menu_favorite)) {
            if (favorites.contains(galleryID))
                (icon as Animatable).start()
        }
        this.menu = menu
        return true
    }
    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        when(item.itemId) {
            R.id.reader_menu_page_indicator -> {
                // TODO: Switch to DialogFragment
                val binding = NumberpickerDialogBinding.inflate(layoutInflater, binding.root, false)
                with(binding.numberPicker) {
                    minValue = 1
                    maxValue = cache.metadata.galleryInfo?.files?.size ?: 0
                    value = currentPage
                }
                val dialog = AlertDialog.Builder(this).apply {
                    setView(binding.root)
                }.create()
                binding.okButton.setOnClickListener {
                    (this@ReaderActivity.binding.recyclerview.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(binding.numberPicker.value-1, 0)
                    dialog.dismiss()
                }
                dialog.show()
            }
            R.id.reader_menu_favorite -> {
                val id = galleryID
                val favorite = menu?.findItem(R.id.reader_menu_favorite) ?: return true
                if (favorites.contains(id)) {
                    favorites.remove(id)
                    favorite.icon = AnimatedVectorDrawableCompat.create(this, R.drawable.avd_star)
                } else {
                    favorites.add(id)
                    (favorite.icon as Animatable).start()
                }
            }
        }
        return true
    }
    override fun onResume() {
        super.onResume()
        bindService(Intent(this, DownloadService::class.java), conn, BIND_AUTO_CREATE)
        if (cameraEnabled)
            startCamera(this, cameraCallback)
    }
    override fun onPause() {
        super.onPause()
        closeCamera()
        if (downloader != null)
            unbindService(conn)
        downloader?.priority = galleryID
    }
    override fun onDestroy() {
        super.onDestroy()
        update = false
        if (!DownloadManager.getInstance(this).isDownloading(galleryID))
            DownloadService.cancel(this, galleryID)
    }
    override fun onBackPressed() {
        if (isScroll and !isFullscreen)
            super.onBackPressed()
        if (isFullscreen) {
            isFullscreen = false
            fullscreen(false)
        }
        if (!isScroll) {
            isScroll = true
            scrollMode(true)
        }
    }
    override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
        //currentPage is 1-based
        return when(keyCode) {
            KeyEvent.KEYCODE_VOLUME_UP -> {
                (binding.recyclerview.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(currentPage-2, 0)
                true
            }
            KeyEvent.KEYCODE_VOLUME_DOWN -> {
                (binding.recyclerview.layoutManager as LinearLayoutManager?)?.scrollToPositionWithOffset(currentPage, 0)
                true
            }
            else -> super.onKeyDown(keyCode, event)
        }
    }
    private var update = true
    private fun initDownloadListener() {
        CoroutineScope(Dispatchers.Main).launch {
            while (update) {
                delay(1000)
                val downloader = downloader ?: continue
                if (!downloader.progress.containsKey(galleryID))  //loading
                    continue
                if (downloader.progress[galleryID]?.isEmpty() == true) {      //Gallery not found
                    update = false
                    Snackbar
                        .make(binding.root, R.string.reader_failed_to_find_gallery, Snackbar.LENGTH_INDEFINITE)
                        .show()
                    return@launch
                }
                binding.downloadProgressbar.max = binding.recyclerview.adapter?.itemCount ?: 0
                binding.downloadProgressbar.progress =
                    downloader.progress[galleryID]?.count { it.isInfinite() } ?: 0
                if (title == getString(R.string.reader_loading)) {
                    val galleryInfo = cache.metadata.galleryInfo
                    if (galleryInfo != null) {
                        with(binding.recyclerview.adapter as ReaderAdapter) {
                            this.galleryInfo = galleryInfo
                            notifyDataSetChanged()
                        }
                        title = galleryInfo.title
                        menu?.findItem(R.id.reader_menu_page_indicator)?.title =
                            "$currentPage/${galleryInfo.files.size}"
                        menu?.findItem(R.id.reader_type)?.icon = ContextCompat.getDrawable(this@ReaderActivity, R.drawable.hitomi)
                    }
                }
                if (downloader.isCompleted(galleryID)) {   //Download finished
                    binding.downloadProgressbar.visibility = View.GONE
                    animateDownloadFAB(false)
                }
            }
        }
    }
    private fun initView() {
        with(binding.recyclerview) {
            adapter = ReaderAdapter(this@ReaderActivity, galleryID).apply {
                onItemClickListener = {
                    if (isScroll) {
                        isScroll = false
                        isFullscreen = true
                        scrollMode(false)
                        fullscreen(true)
                    } else {
                        (binding.recyclerview.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(currentPage, 0) //Moves to next page because currentPage is 1-based indexing
                    }
                }
            }
            addOnScrollListener(object: RecyclerView.OnScrollListener() {
                override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                    super.onScrolled(recyclerView, dx, dy)
                    if (dy < 0)
                        binding.fab.showMenuButton(true)
                    else if (dy > 0)
                        binding.fab.hideMenuButton(true)
                    val layoutManager = recyclerView.layoutManager as LinearLayoutManager
                    if (layoutManager.findFirstVisibleItemPosition() == -1)
                        return
                    currentPage = layoutManager.findFirstVisibleItemPosition()+1
                    menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${recyclerView.adapter!!.itemCount}"
                }
            })
        }
        with(binding.downloadFab) {
            animateDownloadFAB(DownloadManager.getInstance(this@ReaderActivity).getDownloadFolder(galleryID) != null) //If download in progress, animate button
            setOnClickListener {
                val downloadManager = DownloadManager.getInstance(this@ReaderActivity)
                if (downloadManager.isDownloading(galleryID)) {
                    downloadManager.deleteDownloadFolder(galleryID)
                    animateDownloadFAB(false)
                } else {
                    downloadManager.addDownloadFolder(galleryID)
                    DownloadService.download(context, galleryID, true)
                    animateDownloadFAB(true)
                }
            }
        }
        with(binding.retryFab) {
            setImageResource(R.drawable.refresh)
            setOnClickListener {
                DownloadService.download(context, galleryID)
            }
        }
        with(binding.autoFab) {
            setImageResource(R.drawable.eye_white)
            setOnClickListener {
                when {
                    ContextCompat.checkSelfPermission(context, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED -> {
                        toggleCamera()
                    }
                    Build.VERSION.SDK_INT >= 23 && shouldShowRequestPermissionRationale(Manifest.permission.CAMERA) -> {
                        AlertDialog.Builder(this@ReaderActivity)
                            .setTitle(R.string.warning)
                            .setMessage(R.string.camera_denied)
                            .setPositiveButton(android.R.string.ok) { _, _ ->}
                            .show()
                    }
                    else ->
                        requestPermissionLauncher.launch(Manifest.permission.CAMERA)
                }
            }
        }
        with(binding.fullscreenFab) {
            setImageResource(R.drawable.ic_fullscreen)
            setOnClickListener {
                isFullscreen = true
                fullscreen(isFullscreen)
                binding.fab.close(true)
            }
        }
    }
    private fun fullscreen(isFullscreen: Boolean) {
        with(window.attributes) {
            if (isFullscreen) {
                flags = flags or WindowManager.LayoutParams.FLAG_FULLSCREEN
                supportActionBar?.hide()
                binding.fab.visibility = View.INVISIBLE
                binding.scroller.let {
                    it.handleWidth = resources.getDimensionPixelSize(R.dimen.thumb_height)
                    it.handleHeight = resources.getDimensionPixelSize(R.dimen.thumb_width)
                    it.handleDrawable = ContextCompat.getDrawable(this@ReaderActivity, R.drawable.thumb_horizontal)
                    it.fastScrollDirection = RecyclerViewFastScroller.FastScrollDirection.HORIZONTAL
                }
            } else {
                flags = flags and WindowManager.LayoutParams.FLAG_FULLSCREEN.inv()
                supportActionBar?.show()
                binding.fab.visibility = View.VISIBLE
                binding.scroller.let {
                    it.handleWidth = resources.getDimensionPixelSize(R.dimen.thumb_width)
                    it.handleHeight = resources.getDimensionPixelSize(R.dimen.thumb_height)
                    it.handleDrawable = ContextCompat.getDrawable(this@ReaderActivity, R.drawable.thumb)
                    it.fastScrollDirection = RecyclerViewFastScroller.FastScrollDirection.VERTICAL
                }
            }
            window.attributes = this
        }
        binding.recyclerview.adapter = binding.recyclerview.adapter   // Force to redraw
    }
    private fun scrollMode(isScroll: Boolean) {
        if (isScroll) {
            snapHelper.attachToRecyclerView(null)
            binding.recyclerview.layoutManager = LinearLayoutManager(this)
        } else {
            snapHelper.attachToRecyclerView(binding.recyclerview)
            binding.recyclerview.layoutManager = object: LinearLayoutManager(this, HORIZONTAL, Preferences["rtl", false]) {
                override fun calculateExtraLayoutSpace(state: RecyclerView.State, extraLayoutSpace: IntArray) {
                    extraLayoutSpace.fill(600)
                }
            }
        }
        (binding.recyclerview.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(currentPage-1, 0)
    }
    private fun animateDownloadFAB(animate: Boolean) {
        with(binding.downloadFab) {
            if (animate) {
                val icon = AnimatedVectorDrawableCompat.create(context, R.drawable.ic_downloading)
                icon?.registerAnimationCallback(object : Animatable2Compat.AnimationCallback() {
                    override fun onAnimationEnd(drawable: Drawable?) {
                        if (downloader?.isCompleted(galleryID) == true) // If download is finished, stop animating
                            post {
                                setImageResource(R.drawable.ic_download)
                                labelText = getString(R.string.reader_fab_download_cancel)
                            }
                        else                                                            // Or continue animate
                            post {
                                icon.start()
                                labelText = getString(R.string.reader_fab_download_cancel)
                            }
                    }
                })
                setImageDrawable(icon)
                icon?.start()
            } else {
                setImageResource(R.drawable.ic_download)
                labelText = getString(R.string.reader_fab_download)
            }
        }
    }
    val cameraCallback: (List<Face>) -> Unit = callback@{ faces ->
        binding.eyeCard.dot.let {
            it.visibility = View.VISIBLE
            CoroutineScope(Dispatchers.Main).launch {
                delay(50)
                it.visibility = View.INVISIBLE
            }
        }
        if (faces.size != 1)
            ContextCompat.getDrawable(this, R.drawable.eye_off).let {
                with(binding.eyeCard) {
                    leftEye.setImageDrawable(it)
                    rightEye.setImageDrawable(it)
                }
                return@callback
            }
        val (left, right) = Pair(
            faces[0].rightEyeOpenProbability?.let { it > 0.4 } == true,
            faces[0].leftEyeOpenProbability?.let { it > 0.4 } == true
        )
        with(binding.eyeCard) {
            leftEye.setImageDrawable(
                ContextCompat.getDrawable(
                    leftEye.context,
                    if (left) R.drawable.eye else R.drawable.eye_closed
                )
            )
            rightEye.setImageDrawable(
                ContextCompat.getDrawable(
                    rightEye.context,
                    if (right) R.drawable.eye else R.drawable.eye_closed
                )
            )
        }
        when {
            // Both closed / opened
            !left.xor(right) -> {
                eyeType = null
                eyeTime = 0L
            }
            !left -> {
                if (eyeType != Eye.LEFT) {
                    eyeType = Eye.LEFT
                    eyeTime = System.currentTimeMillis()
                }
            }
            !right -> {
                if (eyeType != Eye.RIGHT) {
                    eyeType = Eye.RIGHT
                    eyeTime = System.currentTimeMillis()
                }
            }
        }
        if (eyeType != null && System.currentTimeMillis() - eyeTime > 100) {
            (binding.recyclerview.layoutManager as LinearLayoutManager).let {
                it.scrollToPositionWithOffset(when(eyeType!!) {
                    Eye.RIGHT -> {
                        if (it.reverseLayout) currentPage - 2 else currentPage
                    }
                    Eye.LEFT -> {
                        if (it.reverseLayout) currentPage else currentPage - 2
                    }
                }, 0)
            }
            eyeTime = System.currentTimeMillis() + 500
        }
    }
    private fun toggleCamera() {
        val eyes = binding.eyeCard.root
        when (camera) {
            null -> {
                binding.autoFab.labelText = getString(R.string.reader_fab_auto_cancel)
                binding.autoFab.setImageResource(R.drawable.eye_off_white)
                eyes.apply {
                    visibility = View.VISIBLE
                    TranslateAnimation(0F, 0F, -100F, 0F).apply {
                        duration = 500
                        fillAfter = false
                        interpolator = OvershootInterpolator()
                    }.let { startAnimation(it) }
                }
                startCamera(this, cameraCallback)
                cameraEnabled = true
            }
            else -> {
                binding.autoFab.labelText = getString(R.string.reader_fab_auto)
                binding.autoFab.setImageResource(R.drawable.eye_white)
                eyes.apply {
                    TranslateAnimation(0F, 0F, 0F, -100F).apply {
                        duration = 500
                        fillAfter = false
                        interpolator = AnticipateInterpolator()
                        setAnimationListener(object: Animation.AnimationListener {
                            override fun onAnimationStart(p0: Animation?) {}
                            override fun onAnimationRepeat(p0: Animation?) {}
                            override fun onAnimationEnd(p0: Animation?) {
                                eyes.visibility = View.GONE
                            }
                        })
                    }.let { startAnimation(it) }
                }
                closeCamera()
                cameraEnabled = false
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt
@@ -1,45 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui
 import android.os.Bundle
 import android.view.MenuItem
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.ui.fragment.SettingsFragment
 class SettingsActivity : BaseActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.settings_activity)
        supportFragmentManager
            .beginTransaction()
            .replace(R.id.settings, SettingsFragment())
            .commit()
        supportActionBar?.setDisplayHomeAsUpEnabled(true)
    }
    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        when (item.itemId) {
            android.R.id.home -> onBackPressed()
        }
        return true
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/ContentType.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/ContentType.kt
@@ -0,0 +1,5 @@
 package xyz.quaver.pupil.ui.composable
 enum class ContentType {
    SINGLE_PANE, DUAL_PANE
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/DevicePosture.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/DevicePosture.kt
@@ -0,0 +1,34 @@
 package xyz.quaver.pupil.ui.composable
 import android.graphics.Rect
 import androidx.window.layout.FoldingFeature
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
 sealed interface DevicePosture {
    data object NormalPosture: DevicePosture
    data class BookPosture(
        val hingePosition: Rect
    ): DevicePosture
    data class Separating(
        val hingePosition: Rect,
        val orientation: FoldingFeature.Orientation
    ): DevicePosture
 }
@OptIn(ExperimentalContracts::class)
 fun isBookPosture(foldingFeature: FoldingFeature?): Boolean {
    contract { returns(true) implies (foldingFeature != null) }
    return foldingFeature?.state == FoldingFeature.State.HALF_OPENED &&
            foldingFeature.orientation == FoldingFeature.Orientation.VERTICAL
 }
@OptIn(ExperimentalContracts::class)
 fun isSeparating(foldingFeature: FoldingFeature?): Boolean {
    contract { returns(true) implies (foldingFeature != null) }
    return foldingFeature?.state == FoldingFeature.State.FLAT && foldingFeature.isSeparating
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/Gallery.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/Gallery.kt
@@ -0,0 +1,504 @@
 package xyz.quaver.pupil.ui.composable
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.ExperimentalLayoutApi
 import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.aspectRatio
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.InlineTextContent
 import androidx.compose.foundation.text.appendInlineContent
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.BrokenImage
 import androidx.compose.material.icons.filled.QuestionMark
 import androidx.compose.material.icons.filled.StarOutline
 import androidx.compose.material3.Card
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.Placeholder
 import androidx.compose.ui.text.PlaceholderVerticalAlign
 import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import coil.compose.SubcomposeAsyncImage
 import coil.request.ImageRequest
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.networking.Artist
 import xyz.quaver.pupil.networking.Character
 import xyz.quaver.pupil.networking.GalleryFile
 import xyz.quaver.pupil.networking.GalleryInfo
 import xyz.quaver.pupil.networking.GalleryTag
 import xyz.quaver.pupil.networking.Group
 import xyz.quaver.pupil.networking.HitomiHttpClient
 import xyz.quaver.pupil.networking.Language
 import xyz.quaver.pupil.networking.SearchQuery
 import xyz.quaver.pupil.networking.Series
 import xyz.quaver.pupil.networking.joinToCapitalizedString
 import xyz.quaver.pupil.ui.theme.Blue500
 import xyz.quaver.pupil.ui.theme.Green500
 import xyz.quaver.pupil.ui.theme.Purple500
 import xyz.quaver.pupil.ui.theme.Red500
 import xyz.quaver.pupil.ui.theme.Yellow500
 private val languageMap = mapOf(
    "indonesian" to "Bahasa Indonesia",
    "catalan" to "català",
    "cebuano" to "Cebuano",
    "czech" to "Čeština",
    "danish" to "Dansk",
    "german" to "Deutsch",
    "estonian" to "eesti",
    "english" to "English",
    "spanish" to "Español",
    "esperanto" to "Esperanto",
    "french" to "Français",
    "italian" to "Italiano",
    "latin" to "Latina",
    "hungarian" to "magyar",
    "dutch" to "Nederlands",
    "norwegian" to "norsk",
    "polish" to "polski",
    "portuguese" to "Português",
    "romanian" to "română",
    "albanian" to "shqip",
    "slovak" to "Slovenčina",
    "finnish" to "Suomi",
    "swedish" to "Svenska",
    "tagalog" to "Tagalog",
    "vietnamese" to "tiếng việt",
    "turkish" to "Türkçe",
    "greek" to "Ελληνικά",
    "mongolian" to "Монгол",
    "russian" to "Русский",
    "ukrainian" to "Українська",
    "hebrew" to "עברית",
    "arabic" to "العربية",
    "persian" to "فارسی",
    "thai" to "ไทย",
    "korean" to "한국어",
    "chinese" to "中文",
    "japanese" to "日本語"
 )
 private val galleryTypeStringMap = mapOf(
    "doujinshi" to R.string.doujinshi,
    "manga" to R.string.manga,
    "artistcg" to R.string.artist_cg,
    "gamecg" to R.string.game_cg,
    "imageset" to R.string.image_set
 )
 private val galleryTypeColorMap = mapOf(
    "doujinshi" to Red500,
    "manga" to Yellow500,
    "artistcg" to Purple500,
    "gamecg" to Green500,
    "imageset" to Blue500
 )
 class GalleryInfoProvider: PreviewParameterProvider<GalleryInfo> {
    override val values = sequenceOf(
        GalleryInfo(
            id = "2296437",
            title = "Kakyuu Majutsushi, Inmon ni Somaru | 하급 마술사, 음문에 물들다",
            language = "korean",
            type = "doujinshi",
            date = "2022-08-11 07:14:00-05",
            artists = listOf(Artist("wagashi")),
            groups = listOf(Group("dagashiya")),
            series = listOf(Series("original")),
            tags = listOf(
                GalleryTag("ahegao", female="1"),
                GalleryTag("big penis", male="1"),
                GalleryTag("bike shorts", female="1"),
                GalleryTag("blowjob", female="1"),
                GalleryTag("blowjob face", female="1"),
                GalleryTag("bukkake", female="1"),
                GalleryTag("bunny girl", female="1"),
                GalleryTag("clone", male="1"),
                GalleryTag("corruption", female="1"),
                GalleryTag("crotch tattoo", female="1"),
                GalleryTag("gloves", female="1"),
                GalleryTag("gokkun", female="1"),
                GalleryTag("group"),
                GalleryTag("kemonomimi", female="1"),
                GalleryTag("leotard", female="1"),
                GalleryTag("lingerie", female="1"),
                GalleryTag("loli", female="1"),
                GalleryTag("masked face", female="1"),
                GalleryTag("masturbation", female="1"),
                GalleryTag("mind control", female="1"),
                GalleryTag("mmf threesome"),
                GalleryTag("moral degeneration", female="1"),
                GalleryTag("mouth mask", female="1"),
                GalleryTag("nakadashi", female="1"),
                GalleryTag("prostitution", female="1"),
                GalleryTag("smell", male="1"),
                GalleryTag("unusual pupils", female="1"),
            ),
            related = listOf(2806924, 2806923, 2319091, 1647024, 2580808),
            languages = listOf(
                Language(galleryID="2806923", name="korean"),
                Language(galleryID="2609305", name="english"),
                Language(galleryID="2302333", name="spanish"),
                Language(galleryID="2392785", name="portuguese"),
                Language(galleryID="2303940", name="russian"),
                Language(galleryID="2736129", name="chinese"),
                Language(galleryID="2295647", name="japanese")
            ),
            characters = listOf(Character("Kakyuu Majutsushi")),
            files = listOf(
                GalleryFile(name="01.jpg", hash="d441383396a6ba41a2db914328dc80d16b5191e53d23a5f0f9f8a0cd8f2e7cef", width=4185, height=6000, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="02.png", hash="a42517a19c7db6369749807bbc6676906e35709be07f780247f2e68d516ed1d5", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="03.png", hash="ee0841953755f34a0a146a7f757cf2993c678384f53e88715b1c97a00abe5c27", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="04.png", hash="66fafca77a7ed0287666e77fe268a02f75b4e27c2b9b77e6577bb3132396132b", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="05.png", hash="0ef8081ad9eef5093077c8551e87903e8b275e607634717857c2986e8d3c51a9", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="06.png", hash="2e59ffd59fa761355ea855a9e0f366cb39569207165a99659a9f0868cbba7e94", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="07.png", hash="5dc19fb97a2f1c64cae5634cd651f593d022b3114bbacaab15ba114be581cbea", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="08.png", hash="9121781d4f8fb1aaaee124f82c2ab98c97eb3e1f9508bab7c1d8771bb5eddfdb", width=4520, height=6295, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="09.png", hash="e5ceae4da5e497bd95a79a607f2c85bb3e8dc7386e041086cd5ccb9a9fb4dcb1", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="10.png", hash="be56219811a29f86dfcf5a7af0b25addc7436b134acd1a94d51c69c987da9d1b", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="11.png", hash="4e3b09ac015360ad4daffcea46265f3eb319bbe638ce90f26d4cbae37dc8c0f1", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="12.png", hash="5d57c0a0cd00604382eeaf0b32446b938dafc9d980eb086673e1fa0307166e39", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="13.png", hash="1ff2313fe979b52b826d482be90699a7c086afc251fa22306e92dfc582611f10", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="14.png", hash="7ad92a9408a059afafc68d3086c5f6a070c7e0d550bc2d328b5c9e16a62be01c", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="15.png", hash="4a6db95b7111b647e450c155af07c617d28313c02871ed94ad0c5986d3c5d1aa", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="16.png", hash="d4b53bf416c9bd2f72850e80ddaaf8467c663c72433c8ebebf3a70742fea7c32", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="17.png", hash="d189d5321f18414de816c049d3e2d72a7d31124d628037ca9f7da4572025cf01", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="18.png", hash="3ff372d7ba4e34cff9f7b46f5323e60b36f9b9df3dd5d02be4c71de4a7ee23c7", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="19.png", hash="2965852c2000fb17f756263b47ca196563995be2d03143f64c297f5930248d1e", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="20.png", hash="3713f95947cc6df0b67af5532a440f023c99ee37d483f3f9252400168e3a55ad", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="21.png", hash="c0b2b2d5ee79c3dc3b737c0eaff19ed1a731d81495adc2c94260de7ebbd85415", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="22.png", hash="8835fe309a26fce6882c0fcdf37cbd5f5bcc69dd2c32e436deb644891ca8499b", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="23.png", hash="5eb28619c1919ad29b86fb6cdaeccd50ad2ad857c81f56c060e8b66a2ed315d0", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="24.png", hash="7ea3ecf4c0b0e5e632163a5b0dc2475a071e1209a0fed8e8e49243093c35babb", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="25.png", hash="d01355724eb60c41e43159607652812d1fbbbac12962b2f9068a9e620ee0c246", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="26.png", hash="58a33c1d709b005a17600f7beb14a81711a106619bdb029d30646a9060c245c7", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="27.png", hash="0b18753f2fe7ea97c2e2c13a082a5a675f36085558bcd3fb7be916b6118c6000", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="28.png", hash="e8f0a2f9d35ec2c1974a4aea07eefd792462049e7b0972bf8cd5532dd82cee21", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="29.png", hash="90ec7a13aedf22c1f9317f75e843a4ace4e236d6100a8c8bb5aeb8160ff1cd00", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="30.png", hash="3229400975e6cef763c54a82a4ce0e6f51ec41c9b674072e74f66b41e325b655", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="31.png", hash="4e04efa56981804f7d13858a98935038fe421956367dcabba8e9118d273135d5", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="32.png", hash="e0d8641127aaaf587ec5e3040c49edee9cda866a5f1f377e567b908514b1eb68", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="33.png", hash="00125ab9090be7d3462fd6943c209bc68c236ef50ca0f1552530fd8253d87f7d", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="34.png", hash="1ea303198badaecfcf66a438baa6867690416d77a542f1ff0181b1895df95ccb", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="35.png", hash="40181ac057808a16716e640c462cc2b992822999ab8db43d454bb331d50bd39f", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="36.png", hash="92cbe1067c1c554c5a2e01b58b6fb86677a523cba586dfa209d61b4af70b2f54", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="37.png", hash="4fbbdc6d5450eb1f2f7e45a97ce8360d43e199454a8eb9e536740309c2067999", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="38.png", hash="0cb74b8af27e51604c728a26cf4788899fa04f854853badea9884b008c024e94", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="39.png", hash="254676c13ab418ce1110a9bad009554abc72af7e2ff9d719409881ea3c635d46", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="40.png", hash="33527e1171b9cf21ab164be2b76cb5b9daa91980a3330f2441dd9bf911e2e05b", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="41.png", hash="4dc331acb058665500aa308143c106efb6999855d1c3b0665c1dd331c8364430", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="42.png", hash="7674f03fa02cf96a20f1e192caf76d85e7e556add0cdb65aabdc86d417093d39", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="43.png", hash="27a4a280483142b213b26d53f06b991be35122cb263c69a87435e624b2a307fd", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="44.png", hash="3114ba3bff094abbae9160656894d462e0567cea23e6fa2693469c5e7defa6fe", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="45.png", hash="dc22ffed6a678a560e781f795b3ee0876ec8726ae2af942226710102758d44db", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="46.png", hash="4f7257ad75b990cc2b8dad0c5a09a831cb1670e7aaeadc71809f4bd7400f0071", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="47.png", hash="bf74fcd74ce77b5089bac98dc9f5737ba1fe87cdcfb01ad80e63024c93f82692", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="48.png", hash="d0baed210584183efa654ca7a483c558afe9eb18b71452ed2cfd4264b269ffca", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="49.png", hash="2b9c90a038e4e918655dffa84fbbb08cbedfce642277b1140d070aa9a711ebac", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="50.png", hash="cdfba6a9b8a570f2f317fb01e66ebc72ede5735a41256b326a38af2296799095", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="51.png", hash="84ad9d51aab2e8ae1cbb5a0918cc3f62473e98512db9f473ab1ffe3a4f7aa75a", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="52.png", hash="0d7a420aa23e23cee7f8e124b12080e309cffb3d7269389f23e1ac3d5b7363a5", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="53.png", hash="575cf99346f9786d6e30bc163dc6d5fa439bd157a9ffce90586bfc5657121981", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="54.png", hash="9004d3fd46dc278b79cf7a5bf72002dd4b0b03ad6bded30ceebcb633185b49ce", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="55.png", hash="8e53c301e2c2b539783c7b8c4f5028f221198d33e114dcc40e6a0025aee840ab", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="56.png", hash="576764073554fcf644c12d80f26b3bae42f39f3516ed7841c9e297248324b237", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="57.png", hash="110da01b9ae7ed4a145792f55498a5efa22cebec4da84f6220904840b508c75e", width=4535, height=6307, hasWebP=1, hasAVIF=1, hasJXL=0),
                GalleryFile(name="58.jpg", hash="3ae38577135465b6224e0487c0cdcd37cf11764883f3b78a67545d48c6beade5", width=4260, height=6000, hasWebP=1, hasAVIF=1, hasJXL=0),
            )
        )
    )
 }
@OptIn(ExperimentalLayoutApi::class)
@Composable
 fun TagGroup(tags: List<SearchQuery.Tag>, folded: Boolean = false) {
    var isFolded by remember { mutableStateOf(folded) }
    FlowRow(
        horizontalArrangement = Arrangement.spacedBy(4.dp),
        verticalArrangement = Arrangement.spacedBy(4.dp)
    ) {
        tags.sortedBy {
            when(it.namespace) {
                "female" -> 1
                "male" -> 2
                else -> 3
            }
        }.let {
            if (isFolded) it.take(10) else it
        }.forEach { tag ->
            TagChip(tag = tag.toTag())
        }
        if (isFolded && tags.size > 10)
            Surface(
                modifier = Modifier.height(32.dp),
                color = MaterialTheme.colorScheme.surface,
                shape = RoundedCornerShape(16.dp),
                onClick = { isFolded = false }
            ) {
                Text(
                    "…",
                    modifier = Modifier.padding(16.dp, 8.dp),
                    color = MaterialTheme.colorScheme.onSurface,
                    style = MaterialTheme.typography.bodyMedium
                )
            }
    }
 }
@Composable
 fun GalleryTypeIndicator(galleryType: String) {
    Surface(
        modifier = Modifier.height(32.dp),
        color = galleryTypeColorMap[galleryType] ?: MaterialTheme.colorScheme.surface,
        shape = RoundedCornerShape(16.dp)
    ) {
        Box(Modifier.fillMaxHeight()) {
            Text(
                galleryTypeStringMap[galleryType]?.let { stringResource(it) } ?: galleryType,
                modifier = Modifier
                    .padding(horizontal = 16.dp)
                    .align(Alignment.Center),
                style = MaterialTheme.typography.bodyMedium,
                color = Color.White
            )
        }
    }
 }
@Composable
 fun LanguageTitle(title: String, language: String?) {
    val icon = languageIconMap[language]
    if (icon != null) {
        Text(
            buildAnnotatedString {
                appendInlineContent("language", "<language>")
                append(' ')
                append(title)
            },
            style = MaterialTheme.typography.headlineSmall,
            inlineContent = mapOf(
                "language" to InlineTextContent(
                    Placeholder(
                        width = 20.sp,
                        height = 20.sp,
                        placeholderVerticalAlign = PlaceholderVerticalAlign.Center
                    )
                ) {
                    Icon(
                        painterResource(icon),
                        contentDescription = null,
                        tint = Color.Unspecified
                    )
                }
            )
        )
    } else {
        Text(title, style = MaterialTheme.typography.headlineSmall)
    }
 }
@Composable
 fun DetailedGalleryInfoHeader(galleryInfo: GalleryInfo, thumbnailUrl: String?) {
    val thumbnailFile = galleryInfo.files.first()
    val aspectRatio = thumbnailFile.let { it.width / it.height.toFloat() }
    if (thumbnailFile.let { it.width > it.height }) {
        Column {
            if (thumbnailUrl != null) {
                SubcomposeAsyncImage(
                    model = ImageRequest.Builder(LocalContext.current)
                        .data(thumbnailUrl)
                        .setHeader("Referer", "https://hitomi.la/")
                        .build(),
                    modifier = Modifier
                        .fillMaxWidth()
                        .aspectRatio(aspectRatio)
                        .clip(RoundedCornerShape(8.dp)),
                    loading = { CircularProgressIndicator(Modifier.align(Alignment.Center)) },
                    error = {
                        Icon(
                            Icons.Default.BrokenImage,
                            contentDescription = null,
                        )
                    },
                    contentDescription = "Thumbnail"
                )
            } else {
                Box(
                    Modifier
                        .fillMaxWidth()
                        .aspectRatio(aspectRatio)) {
                    CircularProgressIndicator(Modifier.align(Alignment.Center))
                }
            }
            Spacer(Modifier.height(8.dp))
            LanguageTitle(galleryInfo.title, galleryInfo.language)
            val artistsAndGroups = buildString {
                if (!galleryInfo.artists.isNullOrEmpty())
                    append(galleryInfo.artists.joinToCapitalizedString())
                if (!galleryInfo.groups.isNullOrEmpty()) {
                    if (this.isNotEmpty()) append(' ')
                    append('(')
                    append(galleryInfo.groups.joinToCapitalizedString())
                    append(')')
                }
            }
            if (artistsAndGroups.isNotEmpty()) {
                Text(
                    artistsAndGroups,
                    style = MaterialTheme.typography.labelLarge,
                )
            }
        }
    } else {
        Row(
            horizontalArrangement = Arrangement.spacedBy(8.dp),
            verticalAlignment = Alignment.CenterVertically
        ) {
            if (thumbnailUrl != null) {
                SubcomposeAsyncImage(
                    model = ImageRequest.Builder(LocalContext.current)
                        .data(thumbnailUrl)
                        .setHeader("Referer", "https://hitomi.la/")
                        .build(),
                    modifier = Modifier
                        .height(200.dp)
                        .aspectRatio(aspectRatio)
                        .clip(RoundedCornerShape(8.dp)),
                    loading = { CircularProgressIndicator(Modifier.align(Alignment.Center)) },
                    error = {
                        Icon(
                            Icons.Default.BrokenImage,
                            contentDescription = null,
                        )
                    },
                    contentDescription = "Thumbnail"
                )
            } else {
                Box(
                    Modifier
                        .height(200.dp)
                        .aspectRatio(aspectRatio)) {
                    CircularProgressIndicator(Modifier.align(Alignment.Center))
                }
            }
            Column(Modifier.heightIn(min = 200.dp)) {
                LanguageTitle(galleryInfo.title, galleryInfo.language)
                val artistsAndGroups = buildString {
                    if (!galleryInfo.artists.isNullOrEmpty())
                        append(galleryInfo.artists.joinToCapitalizedString())
                    if (!galleryInfo.groups.isNullOrEmpty()) {
                        if (this.isNotEmpty()) append(' ')
                        append('(')
                        append(galleryInfo.groups.joinToCapitalizedString())
                        append(')')
                    }
                }
                if (artistsAndGroups.isNotEmpty()) {
                    Text(
                        artistsAndGroups,
                        style = MaterialTheme.typography.labelLarge
                    )
                }
            }
        }
    }
 }
@Preview
@Composable
 fun DetailedGalleryInfo(
    @PreviewParameter(GalleryInfoProvider::class) galleryInfo: GalleryInfo,
    modifier: Modifier = Modifier,
 ) {
    var thumbnailUrl by remember { mutableStateOf<String?>(null) }
    LaunchedEffect(galleryInfo) {
        thumbnailUrl = galleryInfo.files.firstOrNull()?.let {
            HitomiHttpClient.getImageURL(it, true).firstOrNull()
        } ?: ""
    }
    Card(modifier) {
        Column(Modifier.padding(8.dp), verticalArrangement = Arrangement.spacedBy(8.dp)) {
            DetailedGalleryInfoHeader(galleryInfo, thumbnailUrl)
            GalleryTypeIndicator(galleryInfo.type)
            if (galleryInfo.tags?.isNotEmpty() == true) {
                TagGroup(galleryInfo.tags.map { it.toTag() }, folded = true)
            }
            HorizontalDivider()
            Box(
                Modifier
                    .fillMaxWidth()
                    .padding(4.dp)) {
                Text(
                    modifier = Modifier.align(Alignment.CenterStart),
                    text = galleryInfo.id,
                    style = MaterialTheme.typography.bodyMedium
                )
                Text(
                    modifier = Modifier.align(Alignment.Center),
                    text = "${galleryInfo.files.size}P",
                    style = MaterialTheme.typography.bodyMedium
                )
                Icon(
                    modifier = Modifier
                        .align(Alignment.CenterEnd)
                        .size(32.dp),
                    imageVector = Icons.Default.StarOutline,
                    contentDescription = null,
                    tint = Yellow500
                )
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/MainApp.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/MainApp.kt
@@ -0,0 +1,306 @@
 package xyz.quaver.pupil.ui.composable
 import android.util.Log
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.consumeWindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.ime
 import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.material3.DrawerValue
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalNavigationDrawer
 import androidx.compose.material3.PermanentNavigationDrawer
 import androidx.compose.material3.Text
 import androidx.compose.material3.rememberDrawerState
 import androidx.compose.material3.windowsizeclass.WindowHeightSizeClass
 import androidx.compose.material3.windowsizeclass.WindowSizeClass
 import androidx.compose.material3.windowsizeclass.WindowWidthSizeClass
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavHostController
 import androidx.navigation.activity
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.window.layout.DisplayFeature
 import androidx.window.layout.FoldingFeature
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.networking.GalleryInfo
 import xyz.quaver.pupil.networking.SearchQuery
 import xyz.quaver.pupil.ui.viewmodel.SearchState
@Composable
 fun MainApp(
    windowSize: WindowSizeClass,
    displayFeatures: List<DisplayFeature>,
    uiState: SearchState,
    navController: NavHostController,
    openGalleryDetails: (GalleryInfo) -> Unit,
    closeGalleryDetails: () -> Unit,
    onQueryChange: (SearchQuery?) -> Unit,
    loadSearchResult: (IntRange) -> Unit,
 ) {
    val navigationType: NavigationType
    val contentType: ContentType
    val foldingFeature: FoldingFeature? = displayFeatures.filterIsInstance<FoldingFeature>().firstOrNull()
    val foldingDevicePosture = when {
        isBookPosture(foldingFeature) -> DevicePosture.BookPosture(foldingFeature.bounds)
        isSeparating(foldingFeature) -> DevicePosture.Separating(foldingFeature.bounds, foldingFeature.orientation)
        else -> DevicePosture.NormalPosture
    }
    when (windowSize.widthSizeClass) {
        WindowWidthSizeClass.Compact -> {
            navigationType = NavigationType.BOTTOM_NAVIGATION
            contentType = ContentType.SINGLE_PANE
        }
        WindowWidthSizeClass.Medium -> {
            navigationType = NavigationType.NAVIGATION_RAIL
            contentType = if (foldingDevicePosture != DevicePosture.NormalPosture) {
                ContentType.DUAL_PANE
            } else {
                ContentType.SINGLE_PANE
            }
        }
        WindowWidthSizeClass.Expanded -> {
            navigationType = if (foldingDevicePosture is DevicePosture.BookPosture) {
                NavigationType.NAVIGATION_RAIL
            } else {
                NavigationType.PERMANENT_NAVIGATION_DRAWER
            }
            contentType = ContentType.DUAL_PANE
        }
        else -> {
            navigationType = NavigationType.BOTTOM_NAVIGATION
            contentType = ContentType.SINGLE_PANE
        }
    }
    val navigationContentPosition = when (windowSize.heightSizeClass) {
        WindowHeightSizeClass.Compact -> NavigationContentPosition.TOP
        WindowHeightSizeClass.Medium,
        WindowHeightSizeClass.Expanded -> NavigationContentPosition.CENTER
        else -> NavigationContentPosition.TOP
    }
    MainNavigationWrapper(
        navigationType,
        contentType,
        displayFeatures,
        navigationContentPosition,
        uiState,
        navController,
        openGalleryDetails = openGalleryDetails,
        closeGalleryDetails = closeGalleryDetails,
        onQueryChange = onQueryChange,
        loadSearchResult = loadSearchResult
    )
 }
@Composable
 private fun MainNavigationWrapper(
    navigationType: NavigationType,
    contentType: ContentType,
    displayFeatures: List<DisplayFeature>,
    navigationContentPosition: NavigationContentPosition,
    uiState: SearchState,
    navController: NavHostController,
    openGalleryDetails: (GalleryInfo) -> Unit,
    closeGalleryDetails: () -> Unit,
    onQueryChange: (SearchQuery?) -> Unit,
    loadSearchResult: (IntRange) -> Unit
 ) {
    val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
    val coroutineScope = rememberCoroutineScope()
    val navBackStackEntry by navController.currentBackStackEntryAsState()
    val currentRoute = navBackStackEntry?.destination?.route
    val openDrawer: () -> Unit = {
        coroutineScope.launch {
            drawerState.open()
        }
    }
    if (navigationType == NavigationType.PERMANENT_NAVIGATION_DRAWER) {
        PermanentNavigationDrawer(
            drawerContent = {
                PermanentNavigationDrawerContent(
                    selectedDestination = currentRoute,
                    navigateToDestination = { navController.navigate(it.route) {
                        popUpTo(MainDestination.Search.route)
                        launchSingleTop = true
                    } },
                    navigationContentPosition = navigationContentPosition,
                )
            }
        ) {
            MainContent(
                navigationType = navigationType,
                contentType = contentType,
                displayFeatures = displayFeatures,
                uiState = uiState,
                navController = navController,
                onDrawerClicked = openDrawer,
                openGalleryDetails = openGalleryDetails,
                closeGalleryDetails = closeGalleryDetails,
                onQueryChange = onQueryChange,
                loadSearchResult = loadSearchResult,
            )
        }
    } else {
        ModalNavigationDrawer(
            drawerContent = {
                ModalNavigationDrawerContent(
                    selectedDestination = currentRoute,
                    navigateToDestination = { navController.navigate(it.route) {
                        popUpTo(MainDestination.Search.route)
                        launchSingleTop = true
                    } },
                    navigationContentPosition = navigationContentPosition,
                    onDrawerClicked = {
                        coroutineScope.launch {
                            drawerState.close()
                        }
                    }
                )
            },
            drawerState = drawerState
        ) {
            MainContent(
                navigationType = navigationType,
                contentType = contentType,
                displayFeatures = displayFeatures,
                uiState = uiState,
                navController = navController,
                onDrawerClicked = openDrawer,
                openGalleryDetails = openGalleryDetails,
                closeGalleryDetails = closeGalleryDetails,
                onQueryChange = onQueryChange,
                loadSearchResult = loadSearchResult,
            )
        }
    }
 }
@Composable
 fun NotImplemented() {
    Box(Modifier.fillMaxSize()) {
        Column(
            Modifier.align(Alignment.Center),
            horizontalAlignment = Alignment.CenterHorizontally,
            verticalArrangement = Arrangement.spacedBy(16.dp)
        ) {
            Text("(⁄ ⁄•⁄ω⁄•⁄ ⁄)", style = MaterialTheme.typography.headlineMedium, color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.5f))
            Text(stringResource(R.string.not_implemented), textAlign = TextAlign.Center)
        }
    }
 }
@Composable
 fun MainContent(
    navigationType: NavigationType,
    contentType: ContentType,
    displayFeatures: List<DisplayFeature>,
    uiState: SearchState,
    navController: NavHostController,
    onDrawerClicked: () -> Unit,
    openGalleryDetails: (GalleryInfo) -> Unit,
    closeGalleryDetails: () -> Unit,
    onQueryChange: (SearchQuery?) -> Unit,
    loadSearchResult: (IntRange) -> Unit,
 ) {
    val navBackStackEntry by navController.currentBackStackEntryAsState()
    val currentRoute = navBackStackEntry?.destination?.route
    Row(modifier = Modifier.fillMaxSize()) {
        AnimatedVisibility(visible = navigationType == NavigationType.NAVIGATION_RAIL) {
            MainNavigationRail(
                selectedDestination = currentRoute,
                navigateToDestination = { navController.navigate(it.route) {
                    popUpTo(MainDestination.Search.route)
                    launchSingleTop = true
                } },
                onDrawerClicked = onDrawerClicked
            )
        }
        Column(
            modifier = Modifier
                .fillMaxSize()
                .background(MaterialTheme.colorScheme.inverseOnSurface)
        ) {
            Box(
                modifier = Modifier
                    .weight(1f)
                    .run {
                        if (navigationType == NavigationType.BOTTOM_NAVIGATION) {
                            this
                                .consumeWindowInsets(WindowInsets.ime)
                                .consumeWindowInsets(WindowInsets.navigationBars)
                        } else this
                    }
            ) {
                NavHost(
                    modifier = Modifier.fillMaxSize(),
                    navController = navController,
                    startDestination = MainDestination.Search.route
                ) {
                    composable(MainDestination.Search.route) {
                        SearchScreen(
                            contentType = contentType,
                            displayFeatures = displayFeatures,
                            uiState = uiState,
                            openGalleryDetails = openGalleryDetails,
                            closeGalleryDetails = closeGalleryDetails,
                            onQueryChange = onQueryChange,
                            loadSearchResult = loadSearchResult,
                            openGallery = {
                                navController.navigate(MainDestination.ImageViewer(it.id).route) {
                                    launchSingleTop = true
                                }
                            }
                        )
                    }
                    composable(MainDestination.History.route) {
                        NotImplemented()
                    }
                    composable(MainDestination.Downloads.route) {
                        NotImplemented()
                    }
                    composable(MainDestination.Favorites.route) {
                        NotImplemented()
                    }
                    composable(MainDestination.Settings.route) {
                        NotImplemented()
                    }
                    composable(MainDestination.ImageViewer.commonRoute) {
                        NotImplemented()
                    }
                }
            }
            AnimatedVisibility(visible = navigationType == NavigationType.BOTTOM_NAVIGATION) {
                BottomNavigationBar(
                    selectedDestination = currentRoute,
                    navigateToDestination = { navController.navigate(it.route) {
                        popUpTo(MainDestination.Search.route)
                        launchSingleTop = true
                    } }
                )
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/MainNavigationActions.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/MainNavigationActions.kt
@@ -0,0 +1,67 @@
 package xyz.quaver.pupil.ui.composable
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.MenuBook
 import androidx.compose.material.icons.filled.Download
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material.icons.filled.History
 import androidx.compose.material.icons.filled.MenuBook
 import androidx.compose.material.icons.filled.Search
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material.icons.filled.Star
 import androidx.compose.ui.graphics.vector.ImageVector
 import xyz.quaver.pupil.R
 sealed interface MainDestination {
    val route: String
    val icon: ImageVector
    val textId: Int
    data object Search: MainDestination {
        override val route = "search"
        override val icon = Icons.Default.Search
        override val textId = R.string.main_destination_search
    }
    data object History: MainDestination {
        override val route = "history"
        override val icon = Icons.Default.History
        override val textId = R.string.main_destination_history
    }
    data object Downloads: MainDestination {
        override val route = "downloads"
        override val icon = Icons.Default.Download
        override val textId = R.string.main_destination_downloads
    }
    data object Favorites: MainDestination {
        override val route = "favorites"
        override val icon = Icons.Default.Favorite
        override val textId = R.string.main_destination_favorites
    }
    data object Settings: MainDestination {
        override val route = "settings"
        override val icon = Icons.Default.Settings
        override val textId = R.string.main_destination_settings
    }
    class ImageViewer(galleryID: String): MainDestination {
        override val route = "image_viewer/$galleryID"
        override val icon = Icons.AutoMirrored.Filled.MenuBook
        override val textId = R.string.main_destination_image_viewer
        companion object {
            val commonRoute = "image_viewer/{galleryID}"
        }
    }
 }
 val mainDestinations = listOf(
    MainDestination.Search,
    MainDestination.History,
    MainDestination.Downloads,
    MainDestination.Favorites,
    MainDestination.Settings
 )
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/NavigationContentPosition.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/NavigationContentPosition.kt
@@ -0,0 +1,5 @@
 package xyz.quaver.pupil.ui.composable
 enum class NavigationContentPosition {
    TOP, CENTER
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/NavigationDrawerContent.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/NavigationDrawerContent.kt
@@ -0,0 +1,294 @@
 package xyz.quaver.pupil.ui.composable
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.ime
 import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.sizeIn
 import androidx.compose.foundation.layout.union
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.MenuOpen
 import androidx.compose.material.icons.filled.Menu
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalDrawerSheet
 import androidx.compose.material3.NavigationBar
 import androidx.compose.material3.NavigationBarItem
 import androidx.compose.material3.NavigationDrawerItem
 import androidx.compose.material3.NavigationDrawerItemDefaults
 import androidx.compose.material3.NavigationRail
 import androidx.compose.material3.NavigationRailItem
 import androidx.compose.material3.PermanentDrawerSheet
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.Layout
 import androidx.compose.ui.layout.Measurable
 import androidx.compose.ui.layout.MeasurePolicy
 import androidx.compose.ui.layout.layoutId
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.offset
 import androidx.navigation.NavDestination
 import xyz.quaver.pupil.R
@Composable
 fun PermanentNavigationDrawerContent(
    selectedDestination: String?,
    navigateToDestination: (MainDestination) -> Unit,
    navigationContentPosition: NavigationContentPosition,
 ) {
    PermanentDrawerSheet(
        modifier = Modifier.sizeIn(minWidth = 200.dp, maxWidth = 300.dp),
        drawerContainerColor = MaterialTheme.colorScheme.inverseOnSurface
    ) {
        Layout(
            modifier = Modifier
                .background(MaterialTheme.colorScheme.inverseOnSurface)
                .padding(16.dp),
            content = {
                Row(
                    modifier = Modifier.layoutId(LayoutType.HEADER),
                    verticalAlignment = Alignment.CenterVertically
                ) {
                    Icon(
                        modifier = Modifier.size(32.dp),
                        painter = painterResource(R.drawable.app_icon),
                        tint = Color.Unspecified,
                        contentDescription = "app icon"
                    )
                    Text(
                        modifier = Modifier.padding(16.dp),
                        text = "Pupil",
                        style = MaterialTheme.typography.titleLarge.copy(fontWeight = FontWeight.Bold),
                        color = MaterialTheme.colorScheme.primary
                    )
                }
                Column(
                    modifier = Modifier
                        .layoutId(LayoutType.CONTENT)
                        .verticalScroll(rememberScrollState()),
                    horizontalAlignment = Alignment.CenterHorizontally
                ) {
                    mainDestinations.forEach { destination ->
                        NavigationDrawerItem(
                            label = {
                                Text(
                                    text = stringResource(destination.textId),
                                    modifier = Modifier.padding(16.dp)
                                )
                            },
                            icon = {
                                Icon(
                                    imageVector = destination.icon,
                                    contentDescription = stringResource(destination.textId)
                                )
                            },
                            selected = selectedDestination == destination.route,
                            colors = NavigationDrawerItemDefaults.colors(
                                unselectedContainerColor = Color.Transparent
                            ),
                            onClick = { navigateToDestination(destination) }
                        )
                    }
                }
            },
            measurePolicy = navigationMeasurePolicy(navigationContentPosition)
        )
    }
 }
@Composable
 fun ModalNavigationDrawerContent(
    selectedDestination: String?,
    navigationContentPosition: NavigationContentPosition,
    navigateToDestination: (MainDestination) -> Unit,
    onDrawerClicked: () -> Unit
 ) {
    ModalDrawerSheet {
        Layout(
            modifier = Modifier
                .background(MaterialTheme.colorScheme.inverseOnSurface)
                .padding(16.dp),
            content = {
                Row(
                    modifier = Modifier
                        .layoutId(LayoutType.HEADER)
                        .fillMaxWidth()
                        .padding(16.dp),
                    horizontalArrangement = Arrangement.SpaceBetween,
                    verticalAlignment = Alignment.CenterVertically
                ) {
                    Row(
                        verticalAlignment = Alignment.CenterVertically
                    ) {
                        Icon(
                            modifier = Modifier.size(32.dp),
                            painter = painterResource(R.drawable.app_icon),
                            tint = Color.Unspecified,
                            contentDescription = "app icon"
                        )
                        Text(
                            modifier = Modifier.padding(16.dp),
                            text = "Pupil",
                            style = MaterialTheme.typography.titleLarge.copy(fontWeight = FontWeight.Bold),
                            color = MaterialTheme.colorScheme.primary
                        )
                    }
                    IconButton(onClick = onDrawerClicked) {
                        Icon(
                            imageVector = Icons.AutoMirrored.Default.MenuOpen,
                            contentDescription = stringResource(R.string.main_open_navigation_drawer)
                        )
                    }
                }
                Column (
                    modifier = Modifier
                        .layoutId(LayoutType.CONTENT)
                        .verticalScroll(rememberScrollState()),
                    horizontalAlignment = Alignment.CenterHorizontally
                ) {
                    mainDestinations.forEach { destination ->
                        NavigationDrawerItem(
                            label = {
                                Text(
                                    text = stringResource(destination.textId),
                                    modifier = Modifier.padding(16.dp)
                                )
                            },
                            icon = {
                                Icon(
                                    imageVector = destination.icon,
                                    contentDescription = stringResource(destination.textId)
                                )
                            },
                            selected = selectedDestination == destination.route,
                            colors = NavigationDrawerItemDefaults.colors(
                                unselectedContainerColor = Color.Transparent
                            ),
                            onClick = { navigateToDestination(destination) }
                        )
                    }
                }
            },
            measurePolicy = navigationMeasurePolicy(navigationContentPosition)
        )
    }
 }
@Composable
 fun MainNavigationRail(
    selectedDestination: String?,
    navigateToDestination: (MainDestination) -> Unit,
    onDrawerClicked: () -> Unit
 ) {
    NavigationRail (
        modifier = Modifier.fillMaxHeight(),
        containerColor = MaterialTheme.colorScheme.inverseOnSurface
    ) {
        NavigationRailItem(
            selected = false,
            onClick = onDrawerClicked,
            icon = { 
                Icon(
                    imageVector = Icons.Default.Menu,
                    contentDescription = stringResource(R.string.main_open_navigation_drawer)
                )
            }
        )
        Column(
            modifier = Modifier.verticalScroll(rememberScrollState()),
            horizontalAlignment = Alignment.CenterHorizontally,
            verticalArrangement = Arrangement.spacedBy(4.dp)
        ) {
            mainDestinations.forEach { destination ->
                NavigationRailItem(
                    selected = selectedDestination == destination.route,
                    onClick = { navigateToDestination(destination) },
                    icon = { 
                        Icon(
                            imageVector = destination.icon,
                            contentDescription = stringResource(destination.textId)
                        )
                    }
                )
            }
        }
    }
 }
@Composable
 fun BottomNavigationBar(
    selectedDestination: String?,
    navigateToDestination: (MainDestination) -> Unit
 ) {
    NavigationBar(modifier = Modifier.fillMaxWidth(), windowInsets = WindowInsets.ime.union(WindowInsets.navigationBars)) {
        mainDestinations.forEach { destination ->
            NavigationBarItem(
                selected = selectedDestination == destination.route,
                onClick = { navigateToDestination(destination) },
                icon = {
                    Icon(
                        imageVector = destination.icon,
                        contentDescription = stringResource(destination.textId)
                    )
                }
            )
        }
    }
 }
 fun navigationMeasurePolicy(
    navigationContentPosition: NavigationContentPosition,
 ): MeasurePolicy {
    return MeasurePolicy { measurables, constraints ->
        lateinit var headerMeasurable: Measurable
        lateinit var contentMeasurable: Measurable
        measurables.forEach {
            when (it.layoutId) {
                LayoutType.HEADER -> headerMeasurable = it
                LayoutType.CONTENT -> contentMeasurable = it
                else -> error("Unknown layoutId encountered!")
            }
        }
        val headerPlaceable = headerMeasurable.measure(constraints)
        val contentPlaceable = contentMeasurable.measure(
            constraints.offset(vertical = -headerPlaceable.height)
        )
        layout(constraints.maxWidth, constraints.maxHeight) {
            headerPlaceable.placeRelative(0, 0)
            val nonContentVerticalSpace = constraints.maxHeight - contentPlaceable.height
            val contentPlaceableY = when (navigationContentPosition) {
                NavigationContentPosition.TOP -> 0
                NavigationContentPosition.CENTER -> nonContentVerticalSpace / 2
            }.coerceAtLeast(headerPlaceable.height)
            contentPlaceable.placeRelative(0, contentPlaceableY)
        }
    }
 }
 enum class LayoutType {
    HEADER, CONTENT
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/NavigationType.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/NavigationType.kt
@@ -0,0 +1,5 @@
 package xyz.quaver.pupil.ui.composable
 enum class NavigationType {
    NAVIGATION_RAIL, PERMANENT_NAVIGATION_DRAWER, BOTTOM_NAVIGATION
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/OverscrollPager.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/OverscrollPager.kt
@@ -0,0 +1,217 @@
 package xyz.quaver.pupil.ui.composable
 import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.gestures.awaitEachGesture
 import androidx.compose.foundation.gestures.awaitFirstDown
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.offset
 import androidx.compose.foundation.layout.size
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.NavigateBefore
 import androidx.compose.material.icons.automirrored.filled.NavigateNext
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.hapticfeedback.HapticFeedbackType
 import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
 import androidx.compose.ui.input.nestedscroll.NestedScrollSource
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.input.pointer.changedToUpIgnoreConsumed
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.input.pointer.positionChange
 import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.platform.LocalHapticFeedback
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.toSize
 import androidx.compose.ui.util.fastFirstOrNull
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.ui.theme.Blue300
 import kotlin.math.abs
 import kotlin.math.max
 import kotlin.math.min
@Composable
 fun OverscrollPager(
    prevPage: Int?,
    nextPage: Int?,
    onPageTurn: (Int) -> Unit,
    prevPageTurnIndicatorOffset: Dp = 0.dp,
    nextPageTurnIndicatorOffset: Dp = 0.dp,
    content: @Composable () -> Unit
 ) {
    val haptic = LocalHapticFeedback.current
    val pageTurnIndicatorHeight = LocalDensity.current.run { 64.dp.toPx() }
    var overscroll: Float? by remember { mutableStateOf(null) }
    var size: Size? by remember { mutableStateOf(null) }
    val circleRadius = (size?.width ?: 0f) / 2
    val topCircleRadius by animateFloatAsState(if (overscroll?.let { it >= pageTurnIndicatorHeight } == true) circleRadius else 0f, label = "topCircleRadius")
    val bottomCircleRadius by animateFloatAsState(if (overscroll?.let { it <= -pageTurnIndicatorHeight } == true) circleRadius else 0f, label = "bottomCircleRadius")
    val prevPageTurnIndicatorOffsetPx = LocalDensity.current.run { prevPageTurnIndicatorOffset.toPx() }
    val nextPageTurnIndicatorOffsetPx = LocalDensity.current.run { nextPageTurnIndicatorOffset.toPx() }
    if (topCircleRadius != 0f || bottomCircleRadius != 0f)
        Canvas(modifier = Modifier.fillMaxSize()) {
            drawCircle(
                Blue300,
                center = Offset(this.center.x, prevPageTurnIndicatorOffsetPx),
                radius = topCircleRadius
            )
            drawCircle(
                Blue300,
                center = Offset(this.center.x, this.size.height-nextPageTurnIndicatorOffsetPx),
                radius = bottomCircleRadius
            )
        }
    val isOverscrollOverHeight = overscroll?.let { abs(it) >= pageTurnIndicatorHeight } == true
    LaunchedEffect(isOverscrollOverHeight) {
        if (isOverscrollOverHeight) haptic.performHapticFeedback(HapticFeedbackType.LongPress)
    }
    Box(
        Modifier
            .fillMaxHeight()
            .onGloballyPositioned {
                size = it.size.toSize()
            }
    ) {
        overscroll?.let { overscroll ->
            if (overscroll > 0f && prevPage != null) {
                Row(
                    modifier = Modifier
                        .align(Alignment.TopCenter)
                        .offset(0.dp, prevPageTurnIndicatorOffset),
                    verticalAlignment = Alignment.CenterVertically
                ) {
                    Icon(
                        Icons.AutoMirrored.Filled.NavigateBefore,
                        contentDescription = null,
                        tint = MaterialTheme.colorScheme.secondary,
                        modifier = Modifier.size(48.dp)
                    )
                    Text(stringResource(R.string.move_to_page, prevPage))
                }
            }
            if (overscroll < 0f && nextPage != null) {
                Row(
                    modifier = Modifier
                        .align(Alignment.BottomCenter)
                        .offset(0.dp, -nextPageTurnIndicatorOffset),
                    verticalAlignment = Alignment.CenterVertically
                ) {
                    Text(stringResource(R.string.move_to_page, nextPage))
                    Icon(
                        Icons.AutoMirrored.Filled.NavigateNext,
                        contentDescription = null,
                        tint = MaterialTheme.colorScheme.secondary,
                        modifier = Modifier.size(48.dp)
                    )
                }
            }
        }
        Box(
            modifier = Modifier
                .offset(
                    0.dp,
                    overscroll
                        ?.coerceIn(-pageTurnIndicatorHeight, pageTurnIndicatorHeight)
                        ?.let { overscroll -> LocalDensity.current.run { overscroll.toDp() } }
                        ?: 0.dp)
                .nestedScroll(object : NestedScrollConnection {
                    override fun onPreScroll(
                        available: Offset,
                        source: NestedScrollSource
                    ): Offset {
                        val overscrollSnapshot = overscroll
                        return if (overscrollSnapshot == null || overscrollSnapshot == 0f) {
                            Offset.Zero
                        } else {
                            val newOverscroll =
                                if (overscrollSnapshot > 0f && available.y < 0f)
                                    max(overscrollSnapshot + available.y, 0f)
                                else if (overscrollSnapshot < 0f && available.y > 0f)
                                    min(overscrollSnapshot + available.y, 0f)
                                else
                                    overscrollSnapshot
                            Offset(0f, newOverscroll - overscrollSnapshot).also {
                                overscroll = newOverscroll
                            }
                        }
                    }
                    override fun onPostScroll(
                        consumed: Offset,
                        available: Offset,
                        source: NestedScrollSource
                    ): Offset {
                        if (
                            available.y == 0f ||
                            prevPage == null && available.y > 0f ||
                            nextPage == null && available.y < 0f
                        ) return Offset.Zero
                        return overscroll?.let {
                            overscroll = it + available.y
                            Offset(0f, available.y)
                        } ?: Offset.Zero
                    }
                })
                .pointerInput(prevPage, nextPage) {
                    awaitEachGesture {
                        val down = awaitFirstDown(requireUnconsumed = false)
                        var pointer = down.id
                        overscroll = 0f
                        while (true) {
                            val event = awaitPointerEvent()
                            val dragEvent =
                                event.changes.fastFirstOrNull { it.id == pointer }!!
                            if (dragEvent.changedToUpIgnoreConsumed()) {
                                val otherDown = event.changes.fastFirstOrNull { it.pressed }
                                if (otherDown == null) {
                                    if (dragEvent.positionChange() != Offset.Zero) dragEvent.consume()
                                    overscroll?.let {
                                        if (abs(it) > pageTurnIndicatorHeight) {
                                            if (it > 0 && prevPage != null) onPageTurn(prevPage)
                                            if (it < 0 && nextPage != null) onPageTurn(nextPage)
                                        }
                                    }
                                    overscroll = null
                                    break
                                } else
                                    pointer = otherDown.id
                            }
                        }
                    }
                }
        ) {
            content()
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/QueryEditor.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/QueryEditor.kt
@@ -0,0 +1,793 @@
 package xyz.quaver.pupil.ui.composable
 import androidx.compose.animation.AnimatedContent
 import androidx.compose.animation.animateColorAsState
 import androidx.compose.animation.core.Spring
 import androidx.compose.animation.core.spring
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.gestures.animateScrollBy
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.filled.AddCircleOutline
 import androidx.compose.material.icons.filled.RemoveCircleOutline
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardColors
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableFloatStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.toMutableStateList
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.focus.onFocusChanged
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.input.key.Key
 import androidx.compose.ui.input.key.key
 import androidx.compose.ui.input.key.onKeyEvent
 import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.layout.positionInRoot
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.TextRange
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.networking.HitomiHttpClient
 import xyz.quaver.pupil.networking.SearchQuery
 import xyz.quaver.pupil.networking.Suggestion
 import xyz.quaver.pupil.networking.validNamespace
 import xyz.quaver.pupil.ui.theme.Blue300
 import xyz.quaver.pupil.ui.theme.Blue600
 import xyz.quaver.pupil.ui.theme.Gray300
 import xyz.quaver.pupil.ui.theme.Pink600
 import xyz.quaver.pupil.ui.theme.Red300
 import xyz.quaver.pupil.ui.theme.Yellow400
 private fun SearchQuery.toEditableStateInternal(): EditableSearchQueryState = when (this) {
    is SearchQuery.Tag -> EditableSearchQueryState.Tag(namespace, tag)
    is SearchQuery.And -> EditableSearchQueryState.And(queries.map { it.toEditableStateInternal() })
    is SearchQuery.Or -> EditableSearchQueryState.Or(queries.map { it.toEditableStateInternal() })
    is SearchQuery.Not -> EditableSearchQueryState.Not(query.toEditableStateInternal())
 }
 fun SearchQuery?.toEditableState(): EditableSearchQueryState.Root =
    EditableSearchQueryState.Root(this?.toEditableStateInternal())
 private fun EditableSearchQueryState.Tag.toSearchQueryInternal(): SearchQuery.Tag? =
    if (namespace.value != null || tag.value.isNotBlank()) SearchQuery.Tag(
        namespace.value,
        tag.value.lowercase().trim()
    ) else null
 private fun EditableSearchQueryState.And.toSearchQueryInternal(): SearchQuery.And? =
    queries.mapNotNull { it.toSearchQueryInternal() }
        .let { if (it.isNotEmpty()) SearchQuery.And(it) else null }
 private fun EditableSearchQueryState.Or.toSearchQueryInternal(): SearchQuery.Or? =
    queries.mapNotNull { it.toSearchQueryInternal() }
        .let { if (it.isNotEmpty()) SearchQuery.Or(it) else null }
 private fun EditableSearchQueryState.Not.toSearchQueryInternal(): SearchQuery.Not? =
    query.value?.toSearchQueryInternal()?.let { SearchQuery.Not(it) }
 private fun EditableSearchQueryState.toSearchQueryInternal(): SearchQuery? = when (this) {
    is EditableSearchQueryState.Tag -> this.toSearchQueryInternal()
    is EditableSearchQueryState.And -> this.toSearchQueryInternal()
    is EditableSearchQueryState.Or -> this.toSearchQueryInternal()
    is EditableSearchQueryState.Not -> this.toSearchQueryInternal()
 }
 fun EditableSearchQueryState.Root.toSearchQuery(): SearchQuery? =
    query.value?.toSearchQueryInternal()
 fun coalesceTags(
    oldTag: EditableSearchQueryState.Tag?,
    newTag: EditableSearchQueryState?,
 ): EditableSearchQueryState? = if (oldTag != null) {
    when (newTag) {
        is EditableSearchQueryState.Tag,
        is EditableSearchQueryState.Not,
            -> EditableSearchQueryState.And(listOf(oldTag, newTag))
        is EditableSearchQueryState.And -> newTag.apply { queries.add(oldTag) }
        is EditableSearchQueryState.Or -> newTag.apply { queries.add(oldTag) }
        null -> oldTag
    }
 } else newTag
 sealed interface EditableSearchQueryState {
    class Tag(
        namespace: String? = null,
        tag: String = "",
        expanded: Boolean = false,
    ) : EditableSearchQueryState {
        val namespace = mutableStateOf(namespace)
        val tag = mutableStateOf(tag)
        val expanded = mutableStateOf(expanded)
    }
    class And(
        queries: List<EditableSearchQueryState> = emptyList(),
    ) : EditableSearchQueryState {
        val queries = queries.toMutableStateList()
    }
    class Or(
        queries: List<EditableSearchQueryState> = emptyList(),
    ) : EditableSearchQueryState {
        val queries = queries.toMutableStateList()
    }
    class Not(
        query: EditableSearchQueryState? = null,
    ) : EditableSearchQueryState {
        val query = mutableStateOf(query)
    }
    class Root(
        query: EditableSearchQueryState? = null,
    ) {
        val query = mutableStateOf(query)
    }
 }
@Composable
 fun TagSuggestionList(
    state: EditableSearchQueryState.Tag,
 ) {
    var suggestionList: List<Suggestion>? by remember { mutableStateOf(null) }
    var namespace by state.namespace
    var tag by state.tag
    var expanded by state.expanded
    LaunchedEffect(namespace, tag) {
        suggestionList = null
        val searchQuery = state.toSearchQueryInternal()
        suggestionList = if (searchQuery != null) {
            HitomiHttpClient.getSuggestionsForQuery(searchQuery)
                .getOrDefault(emptyList())
                .filterNot { it.tag == SearchQuery.Tag(namespace, tag) }
        } else {
            emptyList()
        }
    }
    val suggestionListSnapshot = suggestionList
    if (suggestionListSnapshot == null) {
        Row(
            Modifier.padding(16.dp),
            horizontalArrangement = Arrangement.spacedBy(8.dp),
            verticalAlignment = Alignment.CenterVertically
        ) {
            CircularProgressIndicator(Modifier.size(24.dp))
            Text("Loading")
        }
    } else if (suggestionListSnapshot.isNotEmpty()) {
        Column(
            modifier = Modifier.padding(8.dp),
            verticalArrangement = Arrangement.spacedBy(4.dp)
        ) {
            suggestionListSnapshot.forEach { suggestion ->
                TagChip(
                    tag = suggestion.tag,
                    onClick = {
                        namespace = it.namespace
                        tag = it.tag
                        expanded = false
                    }
                )
            }
        }
    }
 }
@Composable
 fun EditableTagChip(
    state: EditableSearchQueryState.Tag,
    isFavorite: Boolean = false,
    autoFocus: Boolean = true,
    requestScrollTo: (Float) -> Unit,
    leftIcon: @Composable RowScope.(SearchQuery.Tag) -> Unit = { tag -> TagChipIcon(tag) },
    rightIcon: @Composable RowScope.(SearchQuery.Tag) -> Unit = { _ -> Spacer(Modifier.width(16.dp)) },
    content: @Composable RowScope.(SearchQuery.Tag) -> Unit = { tag ->
        Text(
            modifier = Modifier
                .weight(1f, fill = false)
                .horizontalScroll(rememberScrollState()),
            text = tag.tag.ifBlank { stringResource(R.string.search_bar_edit_tag) }
        )
    },
 ) {
    val coroutineScope = rememberCoroutineScope()
    var namespace by state.namespace
    var tag by state.tag
    var expanded by state.expanded
    var wasFocused by remember { mutableStateOf(false) }
    var positionY by remember { mutableFloatStateOf(0f) }
    LaunchedEffect(expanded) {
        if (!expanded) {
            wasFocused = false
        }
    }
    val surfaceColor by animateColorAsState(
        when {
            expanded -> MaterialTheme.colorScheme.surface
            isFavorite -> Yellow400
            namespace == "male" -> Blue600
            namespace == "female" -> Pink600
            else -> MaterialTheme.colorScheme.surface
        }, label = "tag surface color"
    )
    val contentColor by animateColorAsState(
        when {
            expanded -> Color.White
            isFavorite -> Color.White
            namespace == "male" -> Color.White
            namespace == "female" -> Color.White
            else -> MaterialTheme.colorScheme.onSurface
        }, label = "tag content color"
    )
    Surface(
        modifier = Modifier.onGloballyPositioned {
            positionY = it.positionInRoot().y
        },
        shape = RoundedCornerShape(16.dp),
        color = surfaceColor,
        shadowElevation = 4.dp
    ) {
        AnimatedContent(targetState = expanded, label = "open tag editor") { targetExpanded ->
            if (!targetExpanded) {
                CompositionLocalProvider(
                    LocalContentColor provides contentColor,
                    LocalTextStyle provides MaterialTheme.typography.bodyMedium
                ) {
                    val queryTag = SearchQuery.Tag(namespace, tag)
                    Row(
                        modifier = Modifier
                            .height(32.dp)
                            .clickable { expanded = true },
                        verticalAlignment = Alignment.CenterVertically
                    ) {
                        leftIcon(queryTag)
                        content(queryTag)
                        rightIcon(queryTag)
                    }
                }
            } else {
                Column(
                    Modifier
                        .fillMaxWidth()
                        .padding(top = 8.dp, bottom = 8.dp, end = 8.dp)
                ) {
                    Row(
                        verticalAlignment = Alignment.CenterVertically
                    ) {
                        IconButton(
                            onClick = {
                                expanded = false
                            }
                        ) {
                            Icon(
                                imageVector = Icons.AutoMirrored.Filled.ArrowBack,
                                contentDescription = "close tag editor"
                            )
                        }
                        var selection by remember(tag) { mutableStateOf(TextRange(tag.length)) }
                        var composition by remember { mutableStateOf<TextRange?>(null) }
                        val focusRequester = remember { FocusRequester() }
                        val textFieldValue = remember(tag, selection, composition) {
                            TextFieldValue(tag, selection, composition)
                        }
                        LaunchedEffect(expanded) {
                            if (autoFocus && expanded) {
                                focusRequester.requestFocus()
                            }
                        }
                        OutlinedTextField(
                            value = textFieldValue,
                            singleLine = true,
                            keyboardOptions = KeyboardOptions(
                                capitalization = KeyboardCapitalization.None,
                                autoCorrectEnabled = false,
                                imeAction = ImeAction.Done
                            ),
                            leadingIcon = {
                                TagChipIcon(SearchQuery.Tag(namespace, tag))
                            },
                            modifier = Modifier
                                .fillMaxWidth()
                                .onKeyEvent { event ->
                                    if (event.key == Key.Backspace && tag.isEmpty()) {
                                        val newTag = namespace?.dropLast(1) ?: ""
                                        namespace = null
                                        tag = newTag
                                        selection = TextRange(newTag.length)
                                        composition = null
                                        true
                                    } else false
                                }
                                .focusRequester(focusRequester)
                                .onFocusChanged { event ->
                                    if (event.isFocused) {
                                        wasFocused = true
                                        coroutineScope.launch {
                                            delay(300)
                                            requestScrollTo(positionY)
                                        }
                                    } else if (wasFocused) {
                                        expanded = false
                                    }
                                },
                            keyboardActions = KeyboardActions(
                                onDone = {
                                    expanded = false
                                }
                            ),
                            onValueChange = { newTextValue ->
                                val newTag = newTextValue.text
                                val possibleNamespace = newTag.dropLast(1).lowercase().trim()
                                tag =
                                    if (namespace == null && newTag.endsWith(':') && possibleNamespace in validNamespace) {
                                        namespace = possibleNamespace
                                        ""
                                    } else newTag
                                selection = newTextValue.selection
                                composition = newTextValue.composition
                            }
                        )
                    }
                    TagSuggestionList(state)
                }
            }
        }
    }
 }
@Composable
 fun NewQueryChip(
    currentQuery: EditableSearchQueryState?,
    onNewQuery: (EditableSearchQueryState) -> Unit,
 ) {
    var opened by remember { mutableStateOf(false) }
    @Composable
    fun NewQueryRow(
        modifier: Modifier = Modifier,
        icon: ImageVector = Icons.Default.AddCircleOutline,
        text: String,
        onClick: () -> Unit,
    ) {
        Row(
            modifier = modifier
                .height(32.dp)
                .clickable(onClick = onClick),
            verticalAlignment = Alignment.CenterVertically
        ) {
            Icon(
                modifier = Modifier
                    .padding(8.dp)
                    .size(16.dp),
                imageVector = icon,
                contentDescription = text
            )
            Text(
                modifier = Modifier.padding(end = 16.dp),
                text = text,
                style = MaterialTheme.typography.bodyMedium
            )
        }
    }
    Surface(shape = RoundedCornerShape(16.dp), shadowElevation = 4.dp) {
        AnimatedContent(targetState = opened, label = "add new query") { targetOpened ->
            if (targetOpened) {
                Column {
                    NewQueryRow(
                        modifier = Modifier.fillMaxWidth(),
                        icon = Icons.Default.RemoveCircleOutline,
                        text = stringResource(android.R.string.cancel)
                    ) {
                        opened = false
                    }
                    HorizontalDivider()
                    if (currentQuery != null && currentQuery !is EditableSearchQueryState.Tag && currentQuery !is EditableSearchQueryState.And) {
                        NewQueryRow(
                            modifier = Modifier.fillMaxWidth(),
                            text = stringResource(R.string.search_add_query_item_tag)
                        ) {
                            opened = false
                            onNewQuery(EditableSearchQueryState.Tag(expanded = true))
                        }
                    }
                    if (currentQuery !is EditableSearchQueryState.And) {
                        HorizontalDivider()
                        NewQueryRow(modifier = Modifier.fillMaxWidth(), text = "AND") {
                            opened = false
                            onNewQuery(EditableSearchQueryState.And())
                        }
                    }
                    if (currentQuery !is EditableSearchQueryState.Or) {
                        HorizontalDivider()
                        NewQueryRow(modifier = Modifier.fillMaxWidth(), text = "OR") {
                            opened = false
                            onNewQuery(EditableSearchQueryState.Or())
                        }
                    }
                    if (currentQuery !is EditableSearchQueryState.Not || currentQuery.query.value != null) {
                        HorizontalDivider()
                        NewQueryRow(modifier = Modifier.fillMaxWidth(), text = "NOT") {
                            opened = false
                            onNewQuery(EditableSearchQueryState.Not())
                        }
                    }
                }
            } else {
                NewQueryRow(text = stringResource(R.string.search_add_query_item)) {
                    opened = true
                }
            }
        }
    }
 }
@Composable
 fun QueryEditorQueryView(
    state: EditableSearchQueryState,
    onQueryRemove: (EditableSearchQueryState) -> Unit,
    requestScrollTo: (Float) -> Unit,
    requestScrollBy: (Float) -> Unit,
 ) {
    when (state) {
        is EditableSearchQueryState.Tag -> {
            EditableTagChip(
                state,
                requestScrollTo = requestScrollTo,
                rightIcon = {
                    Icon(
                        modifier = Modifier
                            .padding(8.dp)
                            .size(16.dp)
                            .clickable {
                                onQueryRemove(state)
                            },
                        imageVector = Icons.Default.RemoveCircleOutline,
                        contentDescription = stringResource(R.string.search_remove_query_item_description)
                    )
                }
            )
        }
        is EditableSearchQueryState.Or -> {
            Card(
                colors = CardColors(
                    containerColor = Blue300,
                    contentColor = Color.Black,
                    disabledContainerColor = Blue300,
                    disabledContentColor = Color.Black
                )
            ) {
                Column(
                    modifier = Modifier
                        .fillMaxWidth()
                        .padding(8.dp),
                    verticalArrangement = Arrangement.spacedBy(8.dp),
                    horizontalAlignment = Alignment.Start,
                ) {
                    Row(
                        modifier = Modifier.fillMaxWidth(),
                        verticalAlignment = Alignment.CenterVertically,
                        horizontalArrangement = Arrangement.SpaceBetween
                    ) {
                        Text(
                            "OR",
                            modifier = Modifier.padding(horizontal = 8.dp),
                            style = MaterialTheme.typography.labelMedium
                        )
                        Icon(
                            modifier = Modifier
                                .size(16.dp)
                                .clickable { onQueryRemove(state) },
                            imageVector = Icons.Default.RemoveCircleOutline,
                            contentDescription = stringResource(R.string.search_remove_query_item_description)
                        )
                    }
                    state.queries.forEachIndexed { index, subQueryState ->
                        if (index != 0) {
                            Text("+", modifier = Modifier.padding(horizontal = 8.dp))
                        }
                        QueryEditorQueryView(
                            subQueryState,
                            onQueryRemove = { state.queries.remove(it) },
                            requestScrollTo = requestScrollTo,
                            requestScrollBy = requestScrollBy
                        )
                    }
                    NewQueryChip(state) { newQueryState ->
                        state.queries.add(newQueryState)
                    }
                }
            }
        }
        is EditableSearchQueryState.And -> {
            Card(
                colors = CardColors(
                    containerColor = Gray300,
                    contentColor = Color.Black,
                    disabledContainerColor = Gray300,
                    disabledContentColor = Color.Black
                )
            ) {
                Column(
                    modifier = Modifier
                        .fillMaxWidth()
                        .padding(8.dp),
                    verticalArrangement = Arrangement.spacedBy(8.dp),
                    horizontalAlignment = Alignment.Start,
                ) {
                    val newSearchQuery = remember { EditableSearchQueryState.Tag() }
                    var newQueryNamespace by newSearchQuery.namespace
                    var newQueryTag by newSearchQuery.tag
                    var newQueryExpanded by newSearchQuery.expanded
                    val offset = with(LocalDensity.current) { 40.dp.toPx() }
                    LaunchedEffect(newQueryExpanded) {
                        if (!newQueryExpanded && (newQueryNamespace != null || newQueryTag.isNotBlank())) {
                            state.queries.add(
                                EditableSearchQueryState.Tag(
                                    newQueryNamespace,
                                    newQueryTag
                                )
                            )
                            newQueryNamespace = null
                            newQueryTag = ""
                            newQueryExpanded = true
                            requestScrollBy(offset)
                        }
                    }
                    Row(
                        modifier = Modifier.fillMaxWidth(),
                        verticalAlignment = Alignment.CenterVertically,
                        horizontalArrangement = Arrangement.SpaceBetween
                    ) {
                        Text(
                            "AND",
                            modifier = Modifier.padding(horizontal = 8.dp),
                            style = MaterialTheme.typography.labelMedium
                        )
                        Icon(
                            modifier = Modifier
                                .size(16.dp)
                                .clickable { onQueryRemove(state) },
                            imageVector = Icons.Default.RemoveCircleOutline,
                            contentDescription = stringResource(R.string.search_remove_query_item_description)
                        )
                    }
                    state.queries.forEach { subQuery ->
                        QueryEditorQueryView(
                            subQuery,
                            onQueryRemove = { state.queries.remove(it) },
                            requestScrollTo = requestScrollTo,
                            requestScrollBy = requestScrollBy
                        )
                    }
                    EditableTagChip(
                        newSearchQuery,
                        requestScrollTo = requestScrollTo,
                    )
                    NewQueryChip(state) { newQueryState ->
                        state.queries.add(newQueryState)
                    }
                }
            }
        }
        is EditableSearchQueryState.Not -> {
            var subQueryState by state.query
            Card(
                colors = CardColors(
                    containerColor = Red300,
                    contentColor = Color.Black,
                    disabledContainerColor = Red300,
                    disabledContentColor = Color.Black
                )
            ) {
                Column(
                    modifier = Modifier
                        .fillMaxWidth()
                        .padding(8.dp),
                    verticalArrangement = Arrangement.spacedBy(8.dp),
                    horizontalAlignment = Alignment.Start,
                ) {
                    Row(
                        modifier = Modifier.fillMaxWidth(),
                        verticalAlignment = Alignment.CenterVertically,
                        horizontalArrangement = Arrangement.SpaceBetween
                    ) {
                        Text(
                            "-",
                            modifier = Modifier.padding(horizontal = 8.dp),
                            style = MaterialTheme.typography.labelMedium
                        )
                        Icon(
                            modifier = Modifier
                                .size(16.dp)
                                .clickable { onQueryRemove(state) },
                            imageVector = Icons.Default.RemoveCircleOutline,
                            contentDescription = stringResource(R.string.search_remove_query_item_description)
                        )
                    }
                    val subQueryStateSnapshot = subQueryState
                    if (subQueryStateSnapshot != null) {
                        QueryEditorQueryView(
                            subQueryStateSnapshot,
                            onQueryRemove = { subQueryState = null },
                            requestScrollTo = requestScrollTo,
                            requestScrollBy = requestScrollBy,
                        )
                    }
                    if (subQueryStateSnapshot == null) {
                        NewQueryChip(state) { newQueryState ->
                            subQueryState = newQueryState
                        }
                    }
                    if (subQueryStateSnapshot is EditableSearchQueryState.Tag) {
                        NewQueryChip(state) { newQueryState ->
                            subQueryState = coalesceTags(subQueryStateSnapshot, newQueryState)
                        }
                    }
                }
            }
        }
    }
 }
@Composable
 fun QueryEditor(
    state: EditableSearchQueryState.Root,
 ) {
    var rootQuery by state.query
    val scrollState = rememberScrollState()
    var topY by remember { mutableFloatStateOf(0f) }
    val scrollOffset = with(LocalDensity.current) { 16.dp.toPx() }
    val coroutineScope = rememberCoroutineScope()
    Column(
        modifier = Modifier
            .onGloballyPositioned {
                topY = it.positionInRoot().y
            }
            .verticalScroll(scrollState)
            .padding(8.dp),
        verticalArrangement = Arrangement.spacedBy(4.dp)
    ) {
        val rootQuerySnapshot = rootQuery
        val requestScrollTo: (Float) -> Unit = { target ->
            val topYSnapshot = topY
            coroutineScope.launch {
                scrollState.animateScrollBy(
                    target - topYSnapshot - scrollOffset,
                    spring(stiffness = Spring.StiffnessLow)
                )
            }
        }
        val requestScrollBy: (Float) -> Unit = { value ->
            coroutineScope.launch {
                scrollState.animateScrollBy(value)
            }
        }
        if (rootQuerySnapshot != null) {
            QueryEditorQueryView(
                state = rootQuerySnapshot,
                onQueryRemove = { rootQuery = null },
                requestScrollTo = requestScrollTo,
                requestScrollBy = requestScrollBy
            )
        }
        if (rootQuerySnapshot is EditableSearchQueryState.Tag?) {
            val newSearchQuery = remember { EditableSearchQueryState.Tag(expanded = true) }
            var newQueryNamespace by newSearchQuery.namespace
            var newQueryTag by newSearchQuery.tag
            var newQueryExpanded by newSearchQuery.expanded
            val offset = with(LocalDensity.current) { 40.dp.toPx() }
            LaunchedEffect(newQueryExpanded) {
                if (!newQueryExpanded && (newQueryNamespace != null || newQueryTag.isNotBlank())) {
                    rootQuery = if (rootQuerySnapshot == null) {
                        EditableSearchQueryState.Tag(newQueryNamespace, newQueryTag)
                    } else {
                        EditableSearchQueryState.And(
                            listOf(
                                rootQuerySnapshot,
                                EditableSearchQueryState.Tag(newQueryNamespace, newQueryTag)
                            )
                        )
                    }
                    newQueryNamespace = null
                    newQueryTag = ""
                    newQueryExpanded = true
                    requestScrollBy(offset)
                }
            }
            EditableTagChip(
                newSearchQuery,
                requestScrollTo = requestScrollTo
            )
            NewQueryChip(rootQuerySnapshot) { newState ->
                rootQuery = coalesceTags(rootQuerySnapshot, newState)
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/composable/SearchScreen.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/composable/SearchScreen.kt
@@ -0,0 +1,703 @@
 package xyz.quaver.pupil.ui.composable
 import androidx.activity.compose.BackHandler
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.core.AnimationState
 import androidx.compose.animation.core.VectorConverter
 import androidx.compose.animation.core.animateDpAsState
 import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.animation.core.animateTo
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.absoluteOffset
 import androidx.compose.foundation.layout.asPaddingValues
 import androidx.compose.foundation.layout.calculateEndPadding
 import androidx.compose.foundation.layout.calculateStartPadding
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeDrawingPadding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.systemBars
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.layout.windowInsetsTopHeight
 import androidx.compose.foundation.layout.wrapContentHeight
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.automirrored.filled.Label
 import androidx.compose.material.icons.filled.Book
 import androidx.compose.material.icons.filled.Brush
 import androidx.compose.material.icons.filled.Face
 import androidx.compose.material.icons.filled.Female
 import androidx.compose.material.icons.filled.Folder
 import androidx.compose.material.icons.filled.Group
 import androidx.compose.material.icons.filled.Male
 import androidx.compose.material.icons.filled.Translate
 import androidx.compose.material3.Button
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
 import androidx.compose.ui.input.nestedscroll.NestedScrollSource
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.layout.positionInRoot
 import androidx.compose.ui.platform.LocalLayoutDirection
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
 import androidx.window.layout.DisplayFeature
 import com.google.accompanist.adaptive.HorizontalTwoPaneStrategy
 import com.google.accompanist.adaptive.TwoPane
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.networking.GalleryInfo
 import xyz.quaver.pupil.networking.HitomiHttpClient
 import xyz.quaver.pupil.networking.SearchQuery
 import xyz.quaver.pupil.ui.theme.Blue600
 import xyz.quaver.pupil.ui.theme.Pink600
 import xyz.quaver.pupil.ui.theme.Yellow400
 import xyz.quaver.pupil.ui.viewmodel.SearchState
 import kotlin.math.roundToInt
 private val iconMap = mapOf(
    "female" to Icons.Default.Female,
    "male" to Icons.Default.Male,
    "artist" to Icons.Default.Brush,
    "group" to Icons.Default.Group,
    "character" to Icons.Default.Face,
    "series" to Icons.Default.Book,
    "type" to Icons.Default.Folder,
    "language" to Icons.Default.Translate,
    "tag" to Icons.AutoMirrored.Filled.Label,
 )
 val languageIconMap = mapOf(
    "indonesian" to R.drawable.language_indonesian,
    "javanese" to R.drawable.language_javanese,
    "catalan" to R.drawable.language_catalan,
    "cebuano" to R.drawable.language_philippines,
    "czech" to R.drawable.language_czech,
    "danish" to R.drawable.language_danish,
    "german" to R.drawable.language_german,
    "estonian" to R.drawable.language_estonian,
    "english" to R.drawable.language_english,
    "spanish" to R.drawable.language_spanish,
    "french" to R.drawable.language_french,
    "italian" to R.drawable.language_italian,
    "latin" to R.drawable.language_latin,
    "hungarian" to R.drawable.language_hungarian,
    "dutch" to R.drawable.language_dutch,
    "norwegian" to R.drawable.language_norwegian,
    "polish" to R.drawable.language_polish,
    "portuguese" to R.drawable.language_portuguese,
    "romanian" to R.drawable.language_romanian,
    "albanian" to R.drawable.language_albanian,
    "slovak" to R.drawable.language_slovak,
    "finnish" to R.drawable.language_finnish,
    "swedish" to R.drawable.language_swedish,
    "tagalog" to R.drawable.language_philippines,
    "vietnamese" to R.drawable.language_vietnamese,
    "turkish" to R.drawable.language_turkish,
    "greek" to R.drawable.language_greek,
    "mongolian" to R.drawable.language_mongolian,
    "russian" to R.drawable.language_russian,
    "ukrainian" to R.drawable.language_ukrainian,
    "hebrew" to R.drawable.language_hebrew,
    "persian" to R.drawable.language_persian,
    "thai" to R.drawable.language_thai,
    "korean" to R.drawable.language_korean,
    "chinese" to R.drawable.language_chinese,
    "japanese" to R.drawable.language_japanese,
 )
@Composable
 fun TagChipIcon(tag: SearchQuery.Tag) {
    val icon = iconMap[tag.namespace]
    if (icon != null) {
        if (tag.namespace == "language" && languageIconMap.contains(tag.tag)) {
            Icon(
                painter = painterResource(languageIconMap[tag.tag]!!),
                contentDescription = "icon",
                modifier = Modifier
                    .padding(4.dp)
                    .size(24.dp),
                tint = Color.Unspecified
            )
        } else {
            Icon(
                icon,
                contentDescription = "icon",
                modifier = Modifier
                    .padding(4.dp)
                    .size(24.dp)
            )
        }
    } else {
        Spacer(Modifier.width(16.dp))
    }
 }
@Composable
 fun TagChip(
    tag: SearchQuery.Tag,
    isFavorite: Boolean = false,
    enabled: Boolean = true,
    onClick: (SearchQuery.Tag) -> Unit = { },
    leftIcon: @Composable (SearchQuery.Tag) -> Unit = { TagChipIcon(it) },
    rightIcon: @Composable (SearchQuery.Tag) -> Unit = { Spacer(Modifier.width(16.dp)) },
    content: @Composable RowScope.(SearchQuery.Tag) -> Unit = {
        Text(
            it.tag,
            modifier = Modifier
                .weight(1f, fill = false)
                .horizontalScroll(rememberScrollState())
        )
    },
 ) {
    val surfaceColor = if (isFavorite) Yellow400 else when (tag.namespace) {
        "male" -> Blue600
        "female" -> Pink600
        else -> MaterialTheme.colorScheme.surface
    }
    val contentColor =
        if (surfaceColor == MaterialTheme.colorScheme.surface)
            MaterialTheme.colorScheme.onSurface
        else
            Color.White
    val inner = @Composable {
        CompositionLocalProvider(
            LocalContentColor provides contentColor,
            LocalTextStyle provides MaterialTheme.typography.bodyMedium
        ) {
            Row(
                verticalAlignment = Alignment.CenterVertically
            ) {
                leftIcon(tag)
                content(tag)
                rightIcon(tag)
            }
        }
    }
    val modifier = Modifier.height(32.dp)
    val shape = RoundedCornerShape(16.dp)
    if (enabled)
        Surface(
            modifier = modifier,
            shape = shape,
            color = surfaceColor,
            onClick = { onClick(tag) },
            content = inner,
            shadowElevation = 4.dp
        )
    else
        Surface(
            modifier,
            shape = shape,
            color = surfaceColor,
            content = inner,
            shadowElevation = 4.dp
        )
 }
@Composable
 fun QueryView(
    query: SearchQuery?,
    topLevel: Boolean = true,
 ) {
    val modifier = if (topLevel) {
        Modifier
    } else {
        Modifier.border(
            width = 0.5.dp,
            color = LocalContentColor.current,
            shape = CardDefaults.shape
        )
    }
    when (query) {
        null -> {
            Text(
                modifier = Modifier
                    .height(60.dp)
                    .wrapContentHeight()
                    .padding(horizontal = 16.dp),
                text = stringResource(id = R.string.search_hint),
                color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.7f)
            )
        }
        is SearchQuery.Tag -> {
            TagChip(
                query,
                enabled = false
            )
        }
        is SearchQuery.Or -> {
            Row(
                modifier = modifier.padding(vertical = 2.dp, horizontal = 4.dp),
                verticalAlignment = Alignment.CenterVertically,
                horizontalArrangement = Arrangement.spacedBy(4.dp),
            ) {
                query.queries.forEachIndexed { index, subQuery ->
                    if (index != 0) {
                        Text("+")
                    }
                    QueryView(subQuery, topLevel = false)
                }
            }
        }
        is SearchQuery.And -> {
            Row(
                horizontalArrangement = Arrangement.spacedBy(4.dp),
                verticalAlignment = Alignment.CenterVertically
            ) {
                query.queries.forEach { subQuery ->
                    QueryView(subQuery, topLevel = false)
                }
            }
        }
        is SearchQuery.Not -> {
            Row(
                modifier = modifier.padding(vertical = 2.dp, horizontal = 4.dp),
                horizontalArrangement = Arrangement.spacedBy(4.dp),
                verticalAlignment = Alignment.CenterVertically
            ) {
                Text("-")
                QueryView(query.query, topLevel = false)
            }
        }
    }
 }
@Composable
 fun SearchBar(
    contentType: ContentType,
    query: SearchQuery?,
    onQueryChange: (SearchQuery?) -> Unit,
    onSearchBarPositioned: (Int) -> Unit,
    topOffset: Int,
    onTopOffsetChange: (Int) -> Unit,
    content: @Composable () -> Unit,
 ) {
    var focused by remember { mutableStateOf(false) }
    val scrimAlpha: Float by animateFloatAsState(
        if (focused && contentType == ContentType.SINGLE_PANE) 0.3f else 0f,
        label = "scrim alpha"
    )
    val interactionSource = remember { MutableInteractionSource() }
    val state = remember(query) { query.toEditableState() }
    LaunchedEffect(focused) {
        if (!focused) {
            onQueryChange(state.toSearchQuery())
        } else {
            AnimationState(Int.VectorConverter, topOffset).animateTo(0) { onTopOffsetChange(value) }
        }
    }
    if (focused) {
        BackHandler {
            focused = false
        }
    }
    BoxWithConstraints(
        modifier = Modifier
            .fillMaxSize()
            .clickable(
                interactionSource = interactionSource,
                indication = null
            ) {
                focused = false
            }
    ) {
        val height: Dp by animateDpAsState(
            if (focused) maxHeight else 60.dp,
            label = "searchbar height"
        )
        val cardShape = RoundedCornerShape(30.dp)
        content()
        Box(
            Modifier
                .fillMaxSize()
                .background(Color.Black.copy(alpha = scrimAlpha))
        )
        Card(
            modifier = Modifier
                .safeDrawingPadding()
                .padding(16.dp)
                .fillMaxWidth()
                .height(height)
                .clickable(
                    interactionSource = interactionSource,
                    indication = null
                ) {
                    focused = true
                }
                .onGloballyPositioned {
                    onSearchBarPositioned(it.positionInRoot().y.roundToInt() + it.size.height)
                }
                .absoluteOffset { IntOffset(0, topOffset) },
            shape = cardShape,
            elevation = CardDefaults.cardElevation(6.dp)
        ) {
            Box {
                androidx.compose.animation.AnimatedVisibility(
                    !focused,
                    enter = fadeIn(),
                    exit = fadeOut()
                ) {
                    Row(
                        modifier = Modifier
                            .heightIn(min = 60.dp)
                            .horizontalScroll(rememberScrollState()),
                        verticalAlignment = Alignment.CenterVertically
                    ) {
                        Box(Modifier.size(8.dp))
                        QueryView(query)
                        Box(Modifier.size(8.dp))
                    }
                }
                androidx.compose.animation.AnimatedVisibility(
                    focused,
                    enter = fadeIn(),
                    exit = fadeOut()
                ) {
                    Column(
                        Modifier
                            .fillMaxSize()
                            .padding(top = 8.dp, start = 8.dp, end = 8.dp)
                    ) {
                        IconButton(
                            onClick = {
                                focused = false
                            }
                        ) {
                            Icon(
                                imageVector = Icons.AutoMirrored.Filled.ArrowBack,
                                contentDescription = "close search bar"
                            )
                        }
                        QueryEditor(state = state)
                    }
                }
            }
        }
    }
 }
@Composable
 fun GalleryList(
    contentType: ContentType,
    galleries: List<GalleryInfo>,
    query: SearchQuery?,
    currentPage: Int,
    maxPage: Int,
    loading: Boolean = false,
    error: Boolean = false,
    onPageChange: (Int) -> Unit,
    onQueryChange: (SearchQuery?) -> Unit = {},
    openGalleryDetails: (GalleryInfo) -> Unit,
 ) {
    val listState = rememberLazyListState()
    var topOffset by remember { mutableIntStateOf(0) }
    var searchBarPosition by remember { mutableIntStateOf(0) }
    val listModifier = Modifier.nestedScroll(object : NestedScrollConnection {
        override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
            topOffset = (topOffset + available.y.roundToInt()).coerceIn(-searchBarPosition, 0)
            return Offset.Zero
        }
    })
    LaunchedEffect(galleries) {
        listState.animateScrollToItem(0)
        topOffset = 0
    }
    SearchBar(
        contentType = contentType,
        query = query,
        onQueryChange = onQueryChange,
        onSearchBarPositioned = { searchBarPosition = it },
        topOffset = topOffset,
        onTopOffsetChange = { topOffset = it },
    ) {
        AnimatedVisibility(loading, enter = fadeIn(), exit = fadeOut()) {
            Box(Modifier.fillMaxSize()) {
                CircularProgressIndicator(Modifier.align(Alignment.Center))
            }
        }
        AnimatedVisibility(error, enter = fadeIn(), exit = fadeOut()) {
            Box(Modifier.fillMaxSize()) {
                Column(
                    Modifier.align(Alignment.Center),
                    horizontalAlignment = Alignment.CenterHorizontally,
                    verticalArrangement = Arrangement.spacedBy(16.dp)
                ) {
                    Text(
                        "(´∇｀)",
                        style = MaterialTheme.typography.headlineMedium,
                        color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.5f)
                    )
                    Text("No sources found!\nLet's go download one.", textAlign = TextAlign.Center)
                }
            }
        }
        AnimatedVisibility(!loading && !error, enter = fadeIn(), exit = fadeOut()) {
            OverscrollPager(
                prevPage = if (currentPage != 0) currentPage else null,
                nextPage = if (currentPage < maxPage) currentPage + 2 else null,
                onPageTurn = { onPageChange(it - 1) }
            ) {
                LazyColumn(
                    modifier = listModifier,
                    contentPadding = WindowInsets.systemBars.asPaddingValues()
                        .let { systemBarPaddingValues ->
                            val layoutDirection = LocalLayoutDirection.current
                            PaddingValues(
                                top = systemBarPaddingValues.calculateTopPadding() + 96.dp,
                                bottom = systemBarPaddingValues.calculateBottomPadding(),
                                start = systemBarPaddingValues.calculateStartPadding(layoutDirection),
                                end = systemBarPaddingValues.calculateEndPadding(layoutDirection),
                            )
                        },
                    verticalArrangement = Arrangement.spacedBy(8.dp),
                    state = listState
                ) {
                    items(galleries, key = { it.id }) { galleryInfo ->
                        DetailedGalleryInfo(
                            modifier = Modifier
                                .fillMaxWidth()
                                .padding(horizontal = 4.dp)
                                .clickable { openGalleryDetails(galleryInfo) },
                            galleryInfo = galleryInfo
                        )
                    }
                }
            }
        }
    }
 }
@Composable
 fun DetailScreen(
    galleryInfo: GalleryInfo,
    closeGalleryDetails: () -> Unit = { },
    openGallery: (GalleryInfo) -> Unit = { },
 ) {
    var thumbnailUrl by remember { mutableStateOf<String?>(null) }
    LaunchedEffect(galleryInfo) {
        thumbnailUrl = galleryInfo.files.firstOrNull()?.let {
            HitomiHttpClient.getImageURL(it, true).firstOrNull()
        } ?: ""
    }
    Column(
        Modifier
            .padding(horizontal = 8.dp)
            .verticalScroll(rememberScrollState()),
        verticalArrangement = Arrangement.spacedBy(16.dp)
    ) {
        Spacer(Modifier.windowInsetsTopHeight(WindowInsets.systemBars))
        IconButton(onClick = closeGalleryDetails) {
            Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = "Close Detail")
        }
        DetailedGalleryInfoHeader(galleryInfo, thumbnailUrl)
        Row(Modifier.fillMaxWidth()) {
            FilledTonalButton(
                modifier = Modifier
                    .weight(1f)
                    .padding(horizontal = 4.dp),
                onClick = { /*TODO*/ }
            ) {
                Text(stringResource(R.string.download))
            }
            Button(
                modifier = Modifier
                    .weight(1f)
                    .padding(horizontal = 4.dp),
                onClick = { openGallery(galleryInfo) }
            ) {
                Text("Open")
            }
        }
        GalleryTypeIndicator(galleryInfo.type)
        if (galleryInfo.series?.isNotEmpty() == true) {
            TagGroup(galleryInfo.series.map { it.toTag() })
        }
        if (galleryInfo.characters?.isNotEmpty() == true) {
            TagGroup(galleryInfo.characters.map { it.toTag() })
        }
        if (galleryInfo.tags?.isNotEmpty() == true) {
            TagGroup(galleryInfo.tags.map { it.toTag() })
        }
    }
 }
@Composable
 fun SearchScreen(
    contentType: ContentType,
    displayFeatures: List<DisplayFeature>,
    uiState: SearchState,
    openGalleryDetails: (GalleryInfo) -> Unit,
    closeGalleryDetails: () -> Unit,
    onQueryChange: (SearchQuery?) -> Unit,
    loadSearchResult: (IntRange) -> Unit,
    openGallery: (GalleryInfo) -> Unit,
 ) {
    val itemsPerPage by remember { mutableIntStateOf(20) }
    val pageToRange: (Int) -> IntRange = remember(itemsPerPage) {
        { page ->
            page * itemsPerPage..<(page + 1) * itemsPerPage
        }
    }
    val currentPage = remember(uiState) {
        if (uiState.currentRange != IntRange.EMPTY) {
            uiState.currentRange.first / itemsPerPage
        } else 0
    }
    val maxPage = remember(itemsPerPage, uiState) {
        if (uiState.galleryCount != null) {
            uiState.galleryCount / itemsPerPage + if (uiState.galleryCount % itemsPerPage != 0) 1 else 0
        } else 0
    }
    val loadResult: (Int) -> Unit = remember(loadSearchResult) {
        { page ->
            loadSearchResult(pageToRange(page))
        }
    }
    LaunchedEffect(uiState.query) { loadSearchResult(pageToRange(currentPage)) }
    LaunchedEffect(contentType) {
        if (contentType == ContentType.SINGLE_PANE && !uiState.isDetailOnlyOpen) {
            closeGalleryDetails()
        }
    }
    if (contentType == ContentType.SINGLE_PANE && uiState.isDetailOnlyOpen) {
        BackHandler {
            closeGalleryDetails()
        }
    }
    if (contentType == ContentType.DUAL_PANE) {
        TwoPane(
            first = {
                GalleryList(
                    contentType = contentType,
                    galleries = uiState.galleries,
                    query = uiState.query,
                    currentPage = currentPage,
                    maxPage = maxPage,
                    loading = uiState.loading,
                    error = uiState.error,
                    onQueryChange = onQueryChange,
                    onPageChange = loadResult,
                    openGalleryDetails = openGalleryDetails
                )
            },
            second = {
            },
            strategy = HorizontalTwoPaneStrategy(splitFraction = 0.5f, gapWidth = 16.dp),
            displayFeatures = displayFeatures
        )
    } else {
        val detailGallery = uiState.openedGallery
        AnimatedVisibility(!uiState.isDetailOnlyOpen || detailGallery == null) {
            GalleryList(
                contentType = contentType,
                galleries = uiState.galleries,
                query = uiState.query,
                currentPage = currentPage,
                maxPage = maxPage,
                loading = uiState.loading,
                error = uiState.error,
                onQueryChange = onQueryChange,
                onPageChange = loadResult,
                openGalleryDetails = openGalleryDetails
            )
        }
        AnimatedVisibility(uiState.isDetailOnlyOpen && detailGallery != null) {
            if (detailGallery != null) {
                DetailScreen(
                    galleryInfo = detailGallery,
                    closeGalleryDetails = closeGalleryDetails,
                    openGallery = openGallery
                )
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt
@@ -1,171 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.dialog
 import android.app.Dialog
 import android.os.Bundle
 import android.text.Editable
 import android.text.TextWatcher
 import android.widget.ArrayAdapter
 import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.DialogFragment
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.DefaultQueryDialogBinding
 import xyz.quaver.pupil.types.Tags
 import xyz.quaver.pupil.util.Preferences
 class DefaultQueryDialog : DialogFragment() {
    private val languages: Map<String, String> by lazy {
        requireContext().resources.getStringArray(R.array.languages).map {
            it.split("|").let { split ->
                Pair(split[0], split[1])
            }
        }.toMap()
    }
    private val reverseLanguages: Map<String, String> by lazy {
        languages.entries.associate { (k, v) -> v to k }
    }
    private val excludeBL = "-male:yaoi"
    private val excludeGuro = listOf("-female:guro", "-male:guro")
    private val excludeLoli = listOf("-female:loli", "-male:shota")
    var onPositiveButtonClickListener : ((Tags) -> (Unit))? = null
    private var _binding: DefaultQueryDialogBinding? = null
    private val binding get() = _binding!!
    private fun initView() {
        val tags = Tags.parse(
            Preferences["default_query"]
        )
        with(binding.languageSelector) {
            adapter =
                ArrayAdapter(
                    context,
                    android.R.layout.simple_spinner_dropdown_item,
                    arrayListOf(
                        context.getString(R.string.default_query_dialog_language_selector_none)
                    ).apply {
                        addAll(languages.values)
                    }
                )
            if (tags.any { it.area == "language" && !it.isNegative }) {
                val tag = languages[tags.first { it.area == "language" }.tag]
                if (tag != null) {
                    setSelection(
                        @Suppress("UNCHECKED_CAST")
                        (adapter as ArrayAdapter<String>).getPosition(tag)
                    )
                    tags.removeByArea("language", false)
                }
            }
        }
        with(binding.BLCheckbox) {
            isChecked = tags.contains(excludeBL)
            if (tags.contains(excludeBL))
                tags.remove(excludeBL)
        }
        with(binding.guroCheckbox) {
            isChecked = excludeGuro.all { tags.contains(it) }
            if (excludeGuro.all { tags.contains(it) })
                excludeGuro.forEach {
                    tags.remove(it)
                }
        }
        with(binding.loliCheckbox) {
            isChecked = excludeLoli.all { tags.contains(it) }
            if (excludeLoli.all { tags.contains(it) })
                excludeLoli.forEach {
                    tags.remove(it)
                }
        }
        with(binding.edittext) {
            setText(tags.toString(), android.widget.TextView.BufferType.EDITABLE)
            addTextChangedListener(object : TextWatcher {
                override fun beforeTextChanged(
                    s: CharSequence?,
                    start: Int,
                    count: Int,
                    after: Int
                ) {
                }
                override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
                override fun afterTextChanged(s: Editable?) {
                    s ?: return
                    if (s.any { it.isUpperCase() })
                        s.replace(
                            0,
                            s.length,
                            s.toString().toLowerCase(java.util.Locale.getDefault())
                        )
                }
            })
        }
    }
    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        _binding = DefaultQueryDialogBinding.inflate(layoutInflater)
        initView()
        return AlertDialog.Builder(requireContext()).apply {
            setTitle(R.string.default_query_dialog_title)
            setView(binding.root)
            setPositiveButton(android.R.string.ok) { _, _ ->
                val newTags = Tags.parse(binding.edittext.text.toString())
                with(binding.languageSelector) {
                    if (selectedItemPosition != 0)
                        newTags.add("language:${reverseLanguages[selectedItem]}")
                }
                if (binding.BLCheckbox.isChecked)
                    newTags.add(excludeBL)
                if (binding.guroCheckbox.isChecked)
                    excludeGuro.forEach { tag ->
                        newTags.add(tag)
                    }
                if (binding.loliCheckbox.isChecked)
                    excludeLoli.forEach { tag ->
                        newTags.add(tag)
                    }
                onPositiveButtonClickListener?.invoke(newTags)
            }
        }.create()
    }
    override fun onDestroy() {
        super.onDestroy()
        _binding = null
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/dialog/DownloadFolderNameDialogFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/dialog/DownloadFolderNameDialogFragment.kt
@@ -1,85 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.dialog
 import android.app.Dialog
 import android.os.Bundle
 import android.view.ViewGroup
 import androidx.core.widget.addTextChangedListener
 import androidx.fragment.app.DialogFragment
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.DownloadFolderNameDialogBinding
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.formatDownloadFolder
 import xyz.quaver.pupil.util.formatDownloadFolderTest
 import xyz.quaver.pupil.util.formatMap
 class DownloadFolderNameDialogFragment : DialogFragment() {
    private var _binding: DownloadFolderNameDialogBinding? = null
    private val binding get() = _binding!!
    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        _binding = DownloadFolderNameDialogBinding.inflate(layoutInflater)
        initView()
        return Dialog(requireContext()).apply {
            setContentView(binding.root)
            window?.attributes?.width = ViewGroup.LayoutParams.MATCH_PARENT
        }
    }
    override fun onDestroy() {
        super.onDestroy()
        _binding = null
    }
    private fun initView() {
        val galleryID = Cache.instances.let { if (it.size == 0) 1199708 else it.keys.elementAt((0 until it.size).random()) }
        CoroutineScope(Dispatchers.IO).launch {
            val galleryBlock = Cache.getInstance(requireContext(), galleryID).getGalleryBlock()
            binding.message.text = getString(R.string.settings_download_folder_name_message, formatMap.keys.toString(), galleryBlock?.formatDownloadFolder() ?: "")
            binding.edittext.addTextChangedListener {
                binding.message.text = requireContext().getString(R.string.settings_download_folder_name_message, formatMap.keys.toString(), galleryBlock?.formatDownloadFolderTest(it.toString()) ?: "")
            }
        }
        binding.edittext.setText(Preferences["download_folder_name", "[-id-] -title-"])
        binding.okButton.setOnClickListener {
            val newValue = binding.edittext.text.toString()
            if ((newValue as? String)?.contains("/") != false) {
                Snackbar.make(binding.root, R.string.settings_invalid_download_folder_name, Snackbar.LENGTH_SHORT).show()
                return@setOnClickListener
            }
            Preferences["download_folder_name"] = binding.edittext.text.toString()
            dismiss()
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/dialog/DownloadLocationDialogFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/dialog/DownloadLocationDialogFragment.kt
@@ -1,199 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.dialog
 import android.app.Activity
 import android.app.Dialog
 import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
 import androidx.core.net.toUri
 import androidx.fragment.app.DialogFragment
 import com.google.android.material.snackbar.Snackbar
 import net.rdrei.android.dirchooser.DirectoryChooserActivity
 import net.rdrei.android.dirchooser.DirectoryChooserConfig
 import xyz.quaver.io.FileX
 import xyz.quaver.io.util.toFile
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.DownloadLocationDialogBinding
 import xyz.quaver.pupil.databinding.DownloadLocationItemBinding
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.byteToString
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import java.io.File
 class DownloadLocationDialogFragment : DialogFragment() {
    private var _binding: DownloadLocationDialogBinding? = null
    private val binding get() = _binding!!
    private val entries = mutableMapOf<File?, DownloadLocationItemBinding>()
    private val requestDownloadFolderLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
        if (it.resultCode == Activity.RESULT_OK) {
            val context = context ?: return@registerForActivityResult
            val dialog = dialog ?: return@registerForActivityResult
            it.data?.data?.also { uri ->
                val takeFlags: Int = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
                    context.contentResolver.takePersistableUriPermission(uri, takeFlags)
                if (kotlin.runCatching { FileX(context, uri).canWrite() }.getOrDefault(false)) {
                    entries[null]?.locationAvailable?.text = uri.toFile(context)?.canonicalPath
                    Preferences["download_folder"] = uri.toString()
                } else {
                    Snackbar.make(
                        dialog.window!!.decorView.rootView,
                        R.string.settings_download_folder_not_writable,
                        Snackbar.LENGTH_LONG
                    ).show()
                    val downloadFolder = DownloadManager.getInstance(context).downloadFolder.canonicalPath
                    val key = entries.keys.firstOrNull { it?.canonicalPath == downloadFolder }
                    entries[key]!!.button.isChecked = true
                    if (key == null) entries[key]!!.locationAvailable.text = downloadFolder
                }
            }
        } else {
            val downloadFolder = DownloadManager.getInstance(context ?: return@registerForActivityResult).downloadFolder.canonicalPath
            val key = entries.keys.firstOrNull { it?.canonicalPath == downloadFolder }
            if (key == null)
                entries[key]!!.locationAvailable.text = downloadFolder
            else {
                entries[null]!!.button.isChecked = false
                entries[key]!!.button.isChecked = true
            }
        }
    }
    private val requestDownloadFolderOldLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
        val context = context ?: return@registerForActivityResult
        val dialog = dialog ?: return@registerForActivityResult
        if (it.resultCode == DirectoryChooserActivity.RESULT_CODE_DIR_SELECTED) {
            val directory = it.data?.getStringExtra(DirectoryChooserActivity.RESULT_SELECTED_DIR)!!
            if (!File(directory).canWrite()) {
                Snackbar.make(
                    dialog.window!!.decorView.rootView,
                    R.string.settings_download_folder_not_writable,
                    Snackbar.LENGTH_LONG
                ).show()
                val downloadFolder = DownloadManager.getInstance(context).downloadFolder.canonicalPath
                val key = entries.keys.firstOrNull { it?.canonicalPath == downloadFolder }
                entries[key]!!.button.isChecked = true
                if (key == null) entries[key]!!.locationAvailable.text = downloadFolder
            }
            else {
                entries[null]?.locationAvailable?.text = directory
                Preferences["download_folder"] = File(directory).toURI().toString()
            }
        }
    }
    private fun initView() {
        val externalFilesDirs = ContextCompat.getExternalFilesDirs(requireContext(), null)
        externalFilesDirs.forEachIndexed { index, dir ->
            dir ?: return@forEachIndexed
            DownloadLocationItemBinding.inflate(layoutInflater, binding.root, true).apply {
                locationType.text = requireContext().getString(when (index) {
                    0 -> R.string.settings_download_folder_internal
                    else -> R.string.settings_download_folder_removable
                })
                locationAvailable.text = requireContext().getString(
                    R.string.settings_download_folder_available,
                    byteToString(dir.freeSpace)
                )
                root.setOnClickListener {
                    entries.values.forEach { entry ->
                        entry.button.isChecked = false
                    }
                    button.performClick()
                    Preferences["download_folder"] = dir.toUri().toString()
                }
                entries[dir] = this
            }
        }
        DownloadLocationItemBinding.inflate(layoutInflater, binding.root, true).apply {
            locationType.text = requireContext().getString(R.string.settings_download_folder_custom)
            root.setOnClickListener {
                entries.values.forEach { entry ->
                    entry.button.isChecked = false
                }
                button.performClick()
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                    val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).apply {
                        putExtra("android.content.extra.SHOW_ADVANCED", true)
                    }
                    requestDownloadFolderLauncher.launch(intent)
                } else {    // Can't use SAF on old Androids!
                    val config = DirectoryChooserConfig.builder()
                        .newDirectoryName("Pupil")
                        .allowNewDirectoryNameModification(true)
                        .build()
                    val intent = Intent(context, DirectoryChooserActivity::class.java).apply {
                        putExtra(DirectoryChooserActivity.EXTRA_CONFIG, config)
                    }
                    requestDownloadFolderOldLauncher.launch(intent)
                }
            }
            entries[null] = this
        }
        val downloadFolder = DownloadManager.getInstance(requireContext()).downloadFolder.canonicalPath
        val key = entries.keys.firstOrNull { it?.canonicalPath == downloadFolder }
        entries[key]!!.button.isChecked = true
        if (key == null) entries[key]!!.locationAvailable.text = downloadFolder
    }
    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        _binding = DownloadLocationDialogBinding.inflate(layoutInflater)
        initView()
        return AlertDialog.Builder(requireContext()).apply {
            setTitle(R.string.settings_download_folder)
            setView(binding.root)
            setPositiveButton(requireContext().getText(android.R.string.ok)) { _, _ ->
                if (Preferences["download_folder", ""].isEmpty())
                    Preferences["download_folder"] = context.getExternalFilesDir(null)?.toUri()?.toString() ?: ""
            }
            isCancelable = false
        }.create()
    }
    override fun onDestroy() {
        super.onDestroy()
        _binding = null
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/dialog/GalleryDialog.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/dialog/GalleryDialog.kt
@@ -1,255 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.dialog
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
 import android.widget.LinearLayout.LayoutParams
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.ViewPager2
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import xyz.quaver.pupil.hitomi.Gallery
 import xyz.quaver.pupil.hitomi.getGallery
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.adapters.GalleryBlockAdapter
 import xyz.quaver.pupil.adapters.ThumbnailPageAdapter
 import xyz.quaver.pupil.databinding.*
 import xyz.quaver.pupil.favoriteTags
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.ui.ReaderActivity
 import xyz.quaver.pupil.ui.view.TagChip
 import xyz.quaver.pupil.util.ItemClickSupport
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.wordCapitalize
 import java.util.*
 import kotlin.collections.ArrayList
 class GalleryDialog(context: Context, private val galleryID: Int) : AlertDialog(context) {
    val onChipClickedHandler = ArrayList<((Tag) -> (Unit))>()
    private lateinit var binding: GalleryDialogBinding
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = GalleryDialogBinding.inflate(layoutInflater)
        setContentView(binding.root)
        window?.attributes.apply {
            this ?: return@apply
            width = LayoutParams.MATCH_PARENT
            height = LayoutParams.MATCH_PARENT
        }
        with(binding.fab) {
            setImageDrawable(ContextCompat.getDrawable(context, R.drawable.arrow_right))
            setOnClickListener {
                context.startActivity(Intent(context, ReaderActivity::class.java).apply {
                    putExtra("galleryID", galleryID)
                })
            }
        }
        CoroutineScope(Dispatchers.IO).launch {
            try {
                val gallery = getGallery(galleryID)
                launch (Dispatchers.Main) {
                    binding.progressbar.visibility = View.GONE
                    binding.title.text = gallery.title
                    binding.artist.text = gallery.artists.joinToString(", ") { it.wordCapitalize() }
                    with(binding.type) {
                        text = gallery.type.wordCapitalize()
                        setOnClickListener {
                            gallery.type.let {
                                when (it) {
                                    "artist CG" -> "artistcg"
                                    "game CG" -> "gamecg"
                                    else -> it
                                }
                            }.let {
                                onChipClickedHandler.forEach { handler ->
                                    handler.invoke(Tag("type", it))
                                }
                            }
                        }
                    }
                    binding.cover.showImage(Uri.parse(gallery.cover))
                    addDetails(gallery)
                    addThumbnails(gallery)
                    addRelated(gallery)
                }
            } catch (e: Exception) {
                Snackbar.make(binding.root, R.string.unable_to_connect, Snackbar.LENGTH_INDEFINITE).apply {
                    if (Locale.getDefault().language == "ko")
                        setAction(context.getText(R.string.https_text)) {
                            context.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(context.getString(R.string.https))))
                        }
                }.show()
            }
        }
    }
    private fun addDetails(gallery: Gallery) {
        GalleryDialogDetailsBinding.inflate(layoutInflater, binding.contents, true).apply {
            type.setText(R.string.gallery_details)
            listOf(
                R.string.gallery_artists,
                R.string.gallery_groups,
                R.string.gallery_language,
                R.string.gallery_series,
                R.string.gallery_characters,
                R.string.gallery_tags
            ).zip(
                listOf(
                    gallery.artists.map { Tag("artist", it) },
                    gallery.groups.map { Tag("group", it) },
                    listOf(gallery.language).map { Tag("language", it) },
                    gallery.series.map { Tag("series", it) },
                    gallery.characters.map { Tag("character", it) },
                    gallery.tags.sortedBy {
                        val tag = Tag.parse(it)
                        if (favoriteTags.contains(tag))
                            -1
                        else
                            when(Tag.parse(it).area) {
                                "female" -> 0
                                "male" -> 1
                                else -> 2
                            }
                    }.map {
                        Tag.parse(it).let { tag ->
                            when {
                                tag.area != null -> tag
                                else -> Tag("tag", it)
                            }
                        }
                    }
                )
            ).filter {
                    (_, content) -> content.isNotEmpty()
            }.forEach { (title, content) ->
                GalleryDialogTagsBinding.inflate(layoutInflater, contents, true).apply {
                    type.setText(title)
                    content.forEach { tag ->
                        tags.addView(
                            TagChip(context, tag).apply {
                                setOnClickListener {
                                    onChipClickedHandler.forEach { handler ->
                                        handler.invoke(tag)
                                    }
                                }
                            }
                        )
                    }
                }
            }
        }
    }
    private fun addThumbnails(gallery: Gallery) {
        GalleryDialogDetailsBinding.inflate(layoutInflater, binding.contents, true).apply {
            type.setText(R.string.gallery_thumbnails)
            val pager = ViewPager2(context).apply {
                adapter = ThumbnailPageAdapter(gallery.thumbnails)
                layoutParams = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT)
            }
            contents.addView(
                pager,
                LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT)
            )
            // TODO: Change to direct allocation
            GalleryDialogDotindicatorBinding.inflate(layoutInflater, contents, true).apply {
                dotindicator.setViewPager2(pager)
            }
        }
    }
    private fun addRelated(gallery: Gallery) {
        val galleries = mutableListOf<Int>()
        val adapter = GalleryBlockAdapter(galleries).apply {
            onChipClickedHandler.add { tag ->
                this@GalleryDialog.onChipClickedHandler.forEach { handler ->
                    handler.invoke(tag)
                }
            }
        }
        GalleryDialogDetailsBinding.inflate(layoutInflater, binding.contents, true).apply {
            type.setText(R.string.gallery_related)
            contents.addView(RecyclerView(context).apply {
                layoutManager = LinearLayoutManager(context)
                this.adapter = adapter
                ItemClickSupport.addTo(this).apply {
                    onItemClickListener = { _, position, _ ->
                        context.startActivity(Intent(context, ReaderActivity::class.java).apply {
                            putExtra("galleryID", galleries[position])
                        })
                    }
                    onItemLongClickListener = { _, position, _ ->
                        GalleryDialog(context, galleries[position]).apply {
                            onChipClickedHandler.add { tag ->
                                this@GalleryDialog.onChipClickedHandler.forEach { it.invoke(tag) }
                            }
                        }.show()
                        true
                    }
                }
            })
            CoroutineScope(Dispatchers.IO).launch {
                gallery.related.forEach { galleryID ->
                    Cache.getInstance(context, galleryID).getGalleryBlock()?.let {
                        galleries.add(galleryID)
                    }
                }
                withContext(Dispatchers.Main) {
                    adapter.notifyDataSetChanged()
                }
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/dialog/ProxyDialogFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/dialog/ProxyDialogFragment.kt
@@ -1,133 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.dialog
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
 import android.view.View
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
 import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.DialogFragment
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.clientBuilder
 import xyz.quaver.pupil.clientHolder
 import xyz.quaver.pupil.databinding.ProxyDialogBinding
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.ProxyInfo
 import xyz.quaver.pupil.util.getProxyInfo
 import xyz.quaver.pupil.util.proxyInfo
 import java.net.Proxy
 class ProxyDialogFragment : DialogFragment() {
    private var _binding: ProxyDialogBinding? = null
    private val binding get() = _binding!!
    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        _binding = ProxyDialogBinding.inflate(layoutInflater)
        initView()
        return AlertDialog.Builder(requireContext()).apply {
            setView(binding.root)
        }.create()
    }
    private fun initView() {
        val proxyInfo = getProxyInfo()
        val enabler = { enable: Boolean ->
            binding.addr.isEnabled = enable
            binding.port.isEnabled = enable
            binding.username.isEnabled = enable
            binding.password.isEnabled = enable
            if (!enable) {
                binding.addr.text = null
                binding.port.text = null
                binding.username.text = null
                binding.password.text = null
            }
        }
        with(binding.typeSelector) {
            adapter = ArrayAdapter(
                context,
                android.R.layout.simple_spinner_dropdown_item,
                context.resources.getStringArray(R.array.proxy_type)
            )
            setSelection(proxyInfo.type.ordinal)
            onItemSelectedListener = object: AdapterView.OnItemSelectedListener {
                override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
                    enabler.invoke(position != 0)
                }
                override fun onNothingSelected(parent: AdapterView<*>?) {}
            }
        }
        binding.addr.setText(proxyInfo.host)
        binding.port.setText(proxyInfo.port?.toString())
        binding.username.setText(proxyInfo.username)
        binding.password.setText(proxyInfo.password)
        enabler.invoke(proxyInfo.type != Proxy.Type.DIRECT)
        binding.cancelButton.setOnClickListener {
            dismiss()
        }
        binding.okButton.setOnClickListener {
            val type = Proxy.Type.values()[binding.typeSelector.selectedItemPosition]
            val addr = binding.addr.text?.toString()
            val port = binding.port.text?.toString()?.toIntOrNull()
            val username = binding.username.text?.toString()
            val password = binding.password.text?.toString()
            if (type != Proxy.Type.DIRECT) {
                if (addr == null || addr.isEmpty())
                    binding.addr.error = requireContext().getText(R.string.proxy_dialog_error)
                if (port == null)
                    binding.port.error = requireContext().getText(R.string.proxy_dialog_error)
                if (addr == null || addr.isEmpty() || port == null)
                    return@setOnClickListener
            }
            ProxyInfo(type, addr, port, username, password).let {
                Preferences["proxy"] = Json.encodeToString(it)
                clientBuilder
                    .proxyInfo(it)
                clientHolder = null
                client
            }
            dismiss()
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/LockSettingsFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/LockSettingsFragment.kt
@@ -1,146 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.fragment
 import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SwitchPreferenceCompat
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.ui.LockActivity
 import xyz.quaver.pupil.util.Lock
 import xyz.quaver.pupil.util.LockManager
 import xyz.quaver.pupil.util.Preferences
 class LockSettingsFragment : PreferenceFragmentCompat() {
    override fun onResume() {
        super.onResume()
        val lockManager = LockManager(requireContext())
        findPreference<Preference>("lock_pattern")?.summary =
            if (lockManager.contains(Lock.Type.PATTERN))
                getString(R.string.settings_lock_enabled)
            else
                ""
        findPreference<Preference>("lock_pin")?.summary =
            if (lockManager.contains(Lock.Type.PIN))
                getString(R.string.settings_lock_enabled)
            else
                ""
        if (lockManager.isEmpty()) {
            (findPreference<Preference>("lock_fingerprint") as SwitchPreferenceCompat).isChecked = false
            Preferences["lock_fingerprint"] = false
        }
    }
    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        setPreferencesFromResource(R.xml.lock_preferences, rootKey)
        with(findPreference<Preference>("lock_pattern")) {
            this!!
            if (LockManager(requireContext()).contains(Lock.Type.PATTERN))
                summary = getString(R.string.settings_lock_enabled)
            onPreferenceClickListener = Preference.OnPreferenceClickListener {
                val lockManager = LockManager(requireContext())
                if (lockManager.contains(Lock.Type.PATTERN)) {
                    AlertDialog.Builder(requireContext()).apply {
                        setTitle(R.string.warning)
                        setMessage(R.string.settings_lock_remove_message)
                        setPositiveButton(android.R.string.ok) { _, _ ->
                            lockManager.remove(Lock.Type.PATTERN)
                            onResume()
                        }
                        setNegativeButton(android.R.string.cancel) { _, _ -> }
                    }.show()
                } else {
                    val intent = Intent(requireContext(), LockActivity::class.java).apply {
                        putExtra("mode", "add_lock")
                        putExtra("type", "pattern")
                    }
                    startActivity(intent)
                }
                true
            }
        }
        with(findPreference<Preference>("lock_pin")) {
            this!!
            if (LockManager(requireContext()).contains(Lock.Type.PIN))
                summary = getString(R.string.settings_lock_enabled)
            onPreferenceClickListener = Preference.OnPreferenceClickListener {
                val lockManager = LockManager(requireContext())
                if (lockManager.contains(Lock.Type.PIN)) {
                    AlertDialog.Builder(requireContext()).apply {
                        setTitle(R.string.warning)
                        setMessage(R.string.settings_lock_remove_message)
                        setPositiveButton(android.R.string.ok) { _, _ ->
                            lockManager.remove(Lock.Type.PIN)
                            onResume()
                        }
                        setNegativeButton(android.R.string.cancel) { _, _ -> }
                    }.show()
                } else {
                    val intent = Intent(requireContext(), LockActivity::class.java).apply {
                        putExtra("mode", "add_lock")
                        putExtra("type", "pin")
                    }
                    startActivity(intent)
                }
                true
            }
        }
        with(findPreference<Preference>("lock_fingerprint")) {
            this!!
            setOnPreferenceChangeListener { _, newValue ->
                this as SwitchPreferenceCompat
                if (newValue == true && LockManager(requireContext()).isEmpty()) {
                    isChecked = false
                    Toast.makeText(requireContext(), R.string.settings_lock_fingerprint_without_lock, Toast.LENGTH_SHORT).show()
                } else
                    isChecked = newValue as Boolean
                false
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt
@@ -1,106 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.fragment
 import android.content.Intent
 import android.os.Bundle
 import android.widget.EditText
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import com.google.android.material.snackbar.Snackbar
 import okhttp3.*
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.favorites
 import xyz.quaver.pupil.util.restore
 import java.io.File
 import java.io.IOException
 class ManageFavoritesFragment : PreferenceFragmentCompat() {
    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        setPreferencesFromResource(R.xml.manage_favorites_preferences, rootKey)
        initPreferences()
    }
    private fun initPreferences() {
        val context = context ?: return
        findPreference<Preference>("backup")?.setOnPreferenceClickListener {
            val request = Request.Builder()
                .url(context.getString(R.string.backup_url))
                .post(
                    FormBody.Builder()
                        .add("f:1", File(ContextCompat.getDataDir(context), "favorites.json").readText())
                        .build()
                ).build()
            client.newCall(request).enqueue(object: Callback {
                override fun onFailure(call: Call, e: IOException) {
                    val view = view ?: return
                    Snackbar.make(view, R.string.settings_backup_failed, Snackbar.LENGTH_LONG).show()
                }
                override fun onResponse(call: Call, response: Response) {
                    if (response.code() != 200) {
                        response.close()
                        return
                    }
                    Intent(Intent.ACTION_SEND).apply {
                        type = "text/plain"
                        putExtra(Intent.EXTRA_TEXT, response.body()?.use { it.string() }?.replace("\n", ""))
                    }.let {
                        getContext()?.startActivity(Intent.createChooser(it, getString(R.string.settings_backup_share)))
                    }
                }
            })
            true
        }
        findPreference<Preference>("restore")?.setOnPreferenceClickListener {
            val editText = EditText(context).apply {
                setText(context.getString(R.string.backup_url), TextView.BufferType.EDITABLE)
            }
            AlertDialog.Builder(context)
                .setTitle(R.string.settings_restore_title)
                .setView(editText)
                .setPositiveButton(android.R.string.ok) { _, _ ->
                    restore(editText.text.toString(),
                        onFailure = onFailure@{
                            val view = view ?: return@onFailure
                            Snackbar.make(view, R.string.settings_restore_failed, Snackbar.LENGTH_LONG).show()
                        }, onSuccess = onSuccess@{
                            val view = view ?: return@onSuccess
                            Snackbar.make(view, context.getString(R.string.settings_restore_success, it.size), Snackbar.LENGTH_LONG).show()
                        })
                }.setNegativeButton(android.R.string.cancel) { _, _ ->
                    // Do Nothing
                }.show()
            true
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageStorageFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageStorageFragment.kt
@@ -1,201 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.fragment
 import android.os.Bundle
 import androidx.appcompat.app.AlertDialog
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import xyz.quaver.io.FileX
 import xyz.quaver.io.util.deleteRecursively
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.histories
 import xyz.quaver.pupil.util.byteToString
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import java.io.File
 class ManageStorageFragment : PreferenceFragmentCompat(), Preference.OnPreferenceClickListener {
    private var job: Job? = null
    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        setPreferencesFromResource(R.xml.manage_storage_preferences, rootKey)
        initPreferences()
    }
    override fun onPreferenceClick(preference: Preference?): Boolean {
        val context = context ?: return false
        with(preference) {
            this ?: return false
            when (key) {
                "delete_cache" -> {
                    val dir = File(context.cacheDir, "imageCache")
                    AlertDialog.Builder(context).apply {
                        setTitle(R.string.warning)
                        setMessage(R.string.settings_clear_cache_alert_message)
                        setPositiveButton(android.R.string.ok) { _, _ ->
                            if (dir.exists())
                                dir.deleteRecursively()
                            Cache.instances.clear()
                            summary = context.getString(R.string.settings_storage_usage, byteToString(0))
                            CoroutineScope(Dispatchers.IO).launch {
                                var size = 0L
                                dir.walk().forEach {
                                    size += it.length()
                                    launch(Dispatchers.Main) {
                                        summary = context.getString(R.string.settings_storage_usage, byteToString(size))
                                    }
                                }
                            }
                        }
                        setNegativeButton(android.R.string.cancel) { _, _ -> }
                    }.show()
                }
                "delete_downloads" -> {
                    val dir = DownloadManager.getInstance(context).downloadFolder
                    AlertDialog.Builder(context).apply {
                        setTitle(R.string.warning)
                        setMessage(R.string.settings_clear_downloads_alert_message)
                        setPositiveButton(android.R.string.ok) { _, _ ->
                            CoroutineScope(Dispatchers.IO).launch {
                                job?.cancel()
                                launch(Dispatchers.Main) {
                                    summary = context.getString(R.string.settings_storage_usage_loading)
                                }
                                if (dir.exists())
                                    dir.listFiles()?.forEach {
                                        when (it) {
                                            is FileX -> it.deleteRecursively()
                                            else -> it.deleteRecursively()
                                        }
                                    }
                                job = launch {
                                    var size = 0L
                                    launch(Dispatchers.Main) {
                                        summary = context.getString(R.string.settings_storage_usage, byteToString(size))
                                    }
                                    dir.walk().forEach {
                                        size += it.length()
                                        launch(Dispatchers.Main) {
                                            summary = context.getString(R.string.settings_storage_usage, byteToString(size))
                                        }
                                    }
                                }
                            }
                        }
                        setNegativeButton(android.R.string.cancel) { _, _ -> }
                    }.show()
                }
                "clear_history" -> {
                    AlertDialog.Builder(context).apply {
                        setTitle(R.string.warning)
                        setMessage(R.string.settings_clear_history_alert_message)
                        setPositiveButton(android.R.string.ok) { _, _ ->
                            histories.clear()
                            summary = context.getString(R.string.settings_clear_history_summary, histories.size)
                        }
                        setNegativeButton(android.R.string.cancel) { _, _ -> }
                    }.show()
                }
                else -> return false
            }
        }
        return true
    }
    private fun initPreferences() {
        val context = context ?: return
        with(findPreference<Preference>("delete_cache")) {
            this ?: return@with
            val dir = File(context.cacheDir, "imageCache")
            summary = context.getString(R.string.settings_storage_usage, byteToString(0))
            CoroutineScope(Dispatchers.IO).launch {
                var size = 0L
                dir.walk().forEach {
                    size += it.length()
                    launch(Dispatchers.Main) {
                        summary = context.getString(R.string.settings_storage_usage, byteToString(size))
                    }
                }
            }
            onPreferenceClickListener = this@ManageStorageFragment
        }
        with(findPreference<Preference>("delete_downloads")) {
            this ?: return@with
            val dir = DownloadManager.getInstance(context).downloadFolder
            summary = context.getString(R.string.settings_storage_usage, byteToString(0))
            job?.cancel()
            job = CoroutineScope(Dispatchers.IO).launch {
                var size = 0L
                dir.walk().forEach {
                    launch(Dispatchers.Main) {
                        summary = context.getString(R.string.settings_storage_usage, byteToString(size))
                    }
                    size += it.length()
                }
            }
            onPreferenceClickListener = this@ManageStorageFragment
        }
        with(findPreference<Preference>("clear_history")) {
            this ?: return@with
            summary = context.getString(R.string.settings_clear_history_summary, histories.size)
            onPreferenceClickListener = this@ManageStorageFragment
        }
    }
    override fun onDestroy() {
        job?.cancel()
        super.onDestroy()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/PINLockFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/PINLockFragment.kt
@@ -1,57 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.fragment
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import com.andrognito.pinlockview.PinLockListener
 import xyz.quaver.pupil.databinding.PinLockFragmentBinding
 class PINLockFragment : Fragment() {
    private var _binding: PinLockFragmentBinding? = null
    val binding get() = _binding!!
    var onPINEntered: ((String) -> Unit)? = null
    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
        _binding = PinLockFragmentBinding.inflate(inflater, container, false)
        binding.pinLockView.attachIndicatorDots(binding.indicatorDots)
        binding.pinLockView.setPinLockListener(object: PinLockListener {
            override fun onComplete(p0: String?) {
                onPINEntered?.invoke(p0 ?: "")
            }
            override fun onEmpty() {}
            override fun onPinChange(p0: Int, p1: String?) {}
        })
        return binding.root
    }
    override fun onDestroy() {
        super.onDestroy()
        _binding = null
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/PatternLockFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/PatternLockFragment.kt
@@ -1,61 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.fragment
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import com.andrognito.patternlockview.PatternLockView
 import com.andrognito.patternlockview.listener.PatternLockViewListener
 import com.andrognito.patternlockview.utils.PatternLockUtils
 import xyz.quaver.pupil.databinding.PatternLockFragmentBinding
 class PatternLockFragment : Fragment() {
    private var _binding: PatternLockFragmentBinding? = null
    val binding get() = _binding!!
    var onPatternDrawn: ((String) -> Unit)? = null
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        _binding = PatternLockFragmentBinding.inflate(inflater, container, false)
        binding.patternLockView.addPatternLockListener(object: PatternLockViewListener {
            override fun onComplete(pattern: MutableList<PatternLockView.Dot>?) {
                val password = PatternLockUtils.patternToMD5(binding.patternLockView, pattern)
                onPatternDrawn?.invoke(password)
            }
            override fun onCleared() {}
            override fun onProgress(progressPattern: MutableList<PatternLockView.Dot>?) {}
            override fun onStarted() {}
        })
        return binding.root
    }
    override fun onDestroy() {
        super.onDestroy()
        _binding = null
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
@@ -1,313 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.fragment
 import android.app.Activity
 import android.content.*
 import android.os.Bundle
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.preference.*
 import com.google.android.gms.oss.licenses.OssLicensesMenuActivity
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import okhttp3.Dispatcher
 import xyz.quaver.io.FileX
 import xyz.quaver.io.util.getChild
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.clientBuilder
 import xyz.quaver.pupil.clientHolder
 import xyz.quaver.pupil.types.SendLogException
 import xyz.quaver.pupil.ui.LockActivity
 import xyz.quaver.pupil.ui.SettingsActivity
 import xyz.quaver.pupil.ui.dialog.*
 import xyz.quaver.pupil.util.*
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import java.util.*
 import java.util.concurrent.Executors
 class SettingsFragment :
    PreferenceFragmentCompat(),
    Preference.OnPreferenceClickListener,
    Preference.OnPreferenceChangeListener,
    SharedPreferences.OnSharedPreferenceChangeListener {
    private val lockLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
        if (it.resultCode == Activity.RESULT_OK) {
            parentFragmentManager
                .beginTransaction()
                .replace(R.id.settings, LockSettingsFragment())
                .addToBackStack("Lock")
                .commitAllowingStateLoss()
        }
    }
    override fun onResume() {
        super.onResume()
        val lockManager = LockManager(requireContext())
        findPreference<Preference>("app_lock")?.summary = if (lockManager.locks.isNullOrEmpty()) {
            getString(R.string.settings_lock_none)
        } else {
            lockManager.locks?.joinToString(", ") {
                when(it.type) {
                    Lock.Type.PATTERN -> getString(R.string.settings_lock_pattern)
                    Lock.Type.PIN -> getString(R.string.settings_lock_pin)
                    Lock.Type.PASSWORD -> getString(R.string.settings_lock_password)
                }
            }
        }
    }
    override fun onPreferenceClick(preference: Preference?): Boolean {
        with (preference) {
            this ?: return false
            when (key) {
                "app_version" -> {
                    checkUpdate(activity as SettingsActivity, true)
                }
                "download_folder" -> {
                    DownloadLocationDialogFragment().show(parentFragmentManager, "Download Location Dialog")
                }
                "default_query" -> {
                    DefaultQueryDialog().apply {
                        onPositiveButtonClickListener = { newTags ->
                            Preferences["default_query"] = newTags.toString()
                            summary = newTags.toString()
                        }
                    }.show(parentFragmentManager, "Default Query Dialog")
                }
                "app_lock" -> {
                    val intent = Intent(requireContext(), LockActivity::class.java).apply {
                        putExtra("force", true)
                    }
                    lockLauncher.launch(intent)
                }
                "proxy" -> {
                    ProxyDialogFragment().show(parentFragmentManager, "Proxy Dialog")
                }
                "user_id" -> {
                    FirebaseCrashlytics.getInstance().recordException(SendLogException())
                    (context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager).setPrimaryClip(
                        ClipData.newPlainText("user_id", Preferences.get<String>("user_id"))
                    )
                    Toast.makeText(context, R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show()
                }
                else -> return false
            }
        }
        return true
    }
    override fun onPreferenceChange(preference: Preference?, newValue: Any?): Boolean {
        with (preference) {
            this ?: return false
            when (key) {
                "tag_translation" -> {
                    updateTranslations()
                }
                "nomedia" -> {
                    val create = (newValue as? Boolean) ?: return false
                    return kotlin.runCatching {
                        val nomedia = DownloadManager.getInstance(context).downloadFolder.getChild(".nomedia")
                        if (create)
                            nomedia.createNewFile()
                        else
                            nomedia.delete()
                    }.getOrDefault(false)
                }
                "dark_mode" -> {
                    AppCompatDelegate.setDefaultNightMode(when (newValue as Boolean) {
                        true -> AppCompatDelegate.MODE_NIGHT_YES
                        false -> AppCompatDelegate.MODE_NIGHT_NO
                    })
                }
                else -> return false
            }
        }
        return true
    }
    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
        key ?: return
        with(findPreference<Preference>(key)) {
            this ?: return
            when (key) {
                "proxy" -> {
                    summary = context?.let { getProxyInfo().type.name }
                }
                "download_folder" -> {
                    summary = FileX(context, Preferences.get<String>("download_folder")).canonicalPath
                }
                "download_folder_name" -> {
                    summary = Preferences["download_folder_name", "[-id-] -title-"]
                }
                "max_concurrent_download" -> {
                    val newValue = Preferences.get<String>(key).toIntOrNull() ?: 0
                    if (newValue == 0)
                        clientBuilder.dispatcher(Dispatcher())
                    else
                        clientBuilder.dispatcher((Dispatcher(Executors.newFixedThreadPool(newValue))))
                    clientHolder = null
                    client
                }
                else -> return
            }
        }
    }
    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        setPreferencesFromResource(R.xml.root_preferences, rootKey)
        Preferences.registerOnSharedPreferenceChangeListener(this)
        initPreferences()
    }
    override fun onDestroy() {
        Preferences.unregisterOnSharedPreferenceChangeListener(this)
        super.onDestroy()
    }
    private fun initPreferences() {
        for (i in 0 until preferenceScreen.preferenceCount) {
            preferenceScreen.getPreference(i).run {
                if (this is PreferenceCategory)
                    (0 until preferenceCount).map { getPreference(it) }
                else
                    listOf(this)
            }.forEach { preference ->
                with (preference) with@{
                    when (key) {
                        "app_version" -> {
                            val manager = requireContext().packageManager
                            val info = manager.getPackageInfo(requireContext().packageName, 0)
                            summary = requireContext().getString(R.string.settings_app_version_description, info.versionName)
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "download_folder_name" -> {
                            summary = Preferences["download_folder_name", "[-id-] -title-"]
                            setOnPreferenceClickListener {
                                DownloadFolderNameDialogFragment().show(requireActivity().supportFragmentManager, "Download Location Dialog")
                                true
                            }
                        }
                        "download_folder" -> {
                            summary = FileX(context, Preferences.get<String>("download_folder")).canonicalPath
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "nomedia" -> {
                            (this as SwitchPreferenceCompat).isChecked = kotlin.runCatching {
                                DownloadManager.getInstance(context).downloadFolder.getChild(".nomedia").exists()
                            }.getOrDefault(false)
                            onPreferenceChangeListener = this@SettingsFragment
                        }
                        "default_query" -> {
                            summary = Preferences.get<String>("default_query")
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "app_lock" -> {
                            val lockManager = LockManager(requireContext())
                            summary =
                                if (lockManager.locks.isNullOrEmpty()) {
                                    getString(R.string.settings_lock_none)
                                } else {
                                    lockManager.locks?.joinToString(", ") {
                                        when (it.type) {
                                            Lock.Type.PATTERN -> getString(R.string.settings_lock_pattern)
                                            Lock.Type.PIN -> getString(R.string.settings_lock_pin)
                                            Lock.Type.PASSWORD -> getString(R.string.settings_lock_password)
                                        }
                                    }
                                }
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "proxy" -> {
                            summary = getProxyInfo().type.name
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "tag_translation" -> {
                            this as ListPreference
                            isEnabled = false
                            CoroutineScope(Dispatchers.IO).launch {
                                kotlin.runCatching {
                                    val languages = getAvailableLanguages().distinct().toTypedArray()
                                    entries = languages.map { Locale(it).let { loc -> loc.getDisplayLanguage(loc) } }.toTypedArray()
                                    entryValues = languages
                                    launch(Dispatchers.Main) {
                                        isEnabled = true
                                    }
                                }
                            }
                            onPreferenceChangeListener = this@SettingsFragment
                        }
                        "dark_mode" -> {
                            onPreferenceChangeListener = this@SettingsFragment
                        }
                        "old_import_galleries" -> {
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "user_id" -> {
                            summary = Preferences.get<String>("user_id")
                            onPreferenceClickListener = this@SettingsFragment
                        }
                        "oss" -> {
                            setOnPreferenceClickListener {
                                context?.startActivity(Intent(context, OssLicensesMenuActivity::class.java))
                                true
                            }
                        }
                    }
                }
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/theme/Color.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/theme/Color.kt
@@ -0,0 +1,148 @@
 package xyz.quaver.pupil.ui.theme
 import androidx.compose.ui.graphics.Color
 val md_theme_light_primary = Color(0xFF006688)
 val md_theme_light_onPrimary = Color(0xFFFFFFFF)
 val md_theme_light_primaryContainer = Color(0xFFC2E8FF)
 val md_theme_light_onPrimaryContainer = Color(0xFF001E2B)
 val md_theme_light_secondary = Color(0xFF4E616D)
 val md_theme_light_onSecondary = Color(0xFFFFFFFF)
 val md_theme_light_secondaryContainer = Color(0xFFD1E5F3)
 val md_theme_light_onSecondaryContainer = Color(0xFF091E28)
 val md_theme_light_tertiary = Color(0xFF5F5A7D)
 val md_theme_light_onTertiary = Color(0xFFFFFFFF)
 val md_theme_light_tertiaryContainer = Color(0xFFE5DEFF)
 val md_theme_light_onTertiaryContainer = Color(0xFF1C1736)
 val md_theme_light_error = Color(0xFFBA1A1A)
 val md_theme_light_errorContainer = Color(0xFFFFDAD6)
 val md_theme_light_onError = Color(0xFFFFFFFF)
 val md_theme_light_onErrorContainer = Color(0xFF410002)
 val md_theme_light_background = Color(0xFFFBFCFE)
 val md_theme_light_onBackground = Color(0xFF191C1E)
 val md_theme_light_surface = Color(0xFFFBFCFE)
 val md_theme_light_onSurface = Color(0xFF191C1E)
 val md_theme_light_surfaceVariant = Color(0xFFDCE3E9)
 val md_theme_light_onSurfaceVariant = Color(0xFF40484D)
 val md_theme_light_outline = Color(0xFF71787D)
 val md_theme_light_inverseOnSurface = Color(0xFFF0F1F3)
 val md_theme_light_inverseSurface = Color(0xFF2E3133)
 val md_theme_light_inversePrimary = Color(0xFF75D1FF)
 val md_theme_light_shadow = Color(0xFF000000)
 val md_theme_light_surfaceTint = Color(0xFF006688)
 val md_theme_light_outlineVariant = Color(0xFFC0C7CD)
 val md_theme_light_scrim = Color(0xFF000000)
 val md_theme_dark_primary = Color(0xFF75D1FF)
 val md_theme_dark_onPrimary = Color(0xFF003548)
 val md_theme_dark_primaryContainer = Color(0xFF004D67)
 val md_theme_dark_onPrimaryContainer = Color(0xFFC2E8FF)
 val md_theme_dark_secondary = Color(0xFFB5C9D7)
 val md_theme_dark_onSecondary = Color(0xFF20333D)
 val md_theme_dark_secondaryContainer = Color(0xFF364954)
 val md_theme_dark_onSecondaryContainer = Color(0xFFD1E5F3)
 val md_theme_dark_tertiary = Color(0xFFC9C2EA)
 val md_theme_dark_onTertiary = Color(0xFF312C4C)
 val md_theme_dark_tertiaryContainer = Color(0xFF474364)
 val md_theme_dark_onTertiaryContainer = Color(0xFFE5DEFF)
 val md_theme_dark_error = Color(0xFFFFB4AB)
 val md_theme_dark_errorContainer = Color(0xFF93000A)
 val md_theme_dark_onError = Color(0xFF690005)
 val md_theme_dark_onErrorContainer = Color(0xFFFFDAD6)
 val md_theme_dark_background = Color(0xFF191C1E)
 val md_theme_dark_onBackground = Color(0xFFE1E2E5)
 val md_theme_dark_surface = Color(0xFF191C1E)
 val md_theme_dark_onSurface = Color(0xFFE1E2E5)
 val md_theme_dark_surfaceVariant = Color(0xFF40484D)
 val md_theme_dark_onSurfaceVariant = Color(0xFFC0C7CD)
 val md_theme_dark_outline = Color(0xFF8A9297)
 val md_theme_dark_inverseOnSurface = Color(0xFF191C1E)
 val md_theme_dark_inverseSurface = Color(0xFFE1E2E5)
 val md_theme_dark_inversePrimary = Color(0xFF006688)
 val md_theme_dark_shadow = Color(0xFF000000)
 val md_theme_dark_surfaceTint = Color(0xFF75D1FF)
 val md_theme_dark_outlineVariant = Color(0xFF40484D)
 val md_theme_dark_scrim = Color(0xFF000000)
 val seed = Color(0xFF4FC3F7)
 val Gray50 = Color(0xFFF9FAFB)
 val Gray100 = Color(0xFFF3F4F6)
 val Gray200 = Color(0xFFE5E7EB)
 val Gray300 = Color(0xFFD1D5DB)
 val Gray400 = Color(0xFF9CA3AF)
 val Gray500 = Color(0xFF6B7280)
 val Gray600 = Color(0xFF4B5563)
 val Gray700 = Color(0xFF374151)
 val Gray800 = Color(0xFF1F2937)
 val Gray900 = Color(0xFF111827)
 val Red50 = Color(0xFFFEF2F2)
 val Red100 = Color(0xFFFEE2E2)
 val Red200 = Color(0xFFFECACA)
 val Red300 = Color(0xFFFCA5A5)
 val Red400 = Color(0xFFF87171)
 val Red500 = Color(0xFFEF4444)
 val Red600 = Color(0xFFDC2626)
 val Red700 = Color(0xFFB91C1C)
 val Red800 = Color(0xFF991B1B)
 val Red900 = Color(0xFF7F1D1D)
 val Yellow50 = Color(0xFFFFFBEB)
 val Yellow100 = Color(0xFFFEF3C7)
 val Yellow200 = Color(0xFFFDE68A)
 val Yellow300 = Color(0xFFFCD34D)
 val Yellow400 = Color(0xFFFBBF24)
 val Yellow500 = Color(0xFFF59E0B)
 val Yellow600 = Color(0xFFD97706)
 val Yellow700 = Color(0xFFB45309)
 val Yellow800 = Color(0xFF92400E)
 val Yellow900 = Color(0xFF78350F)
 val Green50 = Color(0xFFECFDF5)
 val Green100 = Color(0xFFD1FAE5)
 val Green200 = Color(0xFFA7F3D0)
 val Green300 = Color(0xFF6EE7B7)
 val Green400 = Color(0xFF34D399)
 val Green500 = Color(0xFF10B981)
 val Green600 = Color(0xFF059669)
 val Green700 = Color(0xFF047857)
 val Green800 = Color(0xFF065F46)
 val Green900 = Color(0xFF064E3B)
 val Blue50 = Color(0xFFEFF6FF)
 val Blue100 = Color(0xFFDBEAFE)
 val Blue200 = Color(0xFFBFDBFE)
 val Blue300 = Color(0xFF93C5FD)
 val Blue400 = Color(0xFF60A5FA)
 val Blue500 = Color(0xFF3B82F6)
 val Blue600 = Color(0xFF2563EB)
 val Blue700 = Color(0xFF1D4ED8)
 val Blue800 = Color(0xFF1E40AF)
 val Blue900 = Color(0xFF1E3A8A)
 val Indigo50 = Color(0xFFEEF2FF)
 val Indigo100 = Color(0xFFE0E7FF)
 val Indigo200 = Color(0xFFC7D2FE)
 val Indigo300 = Color(0xFFA5B4FC)
 val Indigo400 = Color(0xFF818CF8)
 val Indigo500 = Color(0xFF6366F1)
 val Indigo600 = Color(0xFF4F46E5)
 val Indigo700 = Color(0xFF4338CA)
 val Indigo800 = Color(0xFF3730A3)
 val Indigo900 = Color(0xFF312E81)
 val Purple50 = Color(0xFFF5F3FF)
 val Purple100 = Color(0xFFEDE9FE)
 val Purple200 = Color(0xFFDDD6FE)
 val Purple300 = Color(0xFFC4B5FD)
 val Purple400 = Color(0xFFA78BFA)
 val Purple500 = Color(0xFF8B5CF6)
 val Purple600 = Color(0xFF7C3AED)
 val Purple700 = Color(0xFF6D28D9)
 val Purple800 = Color(0xFF5B21B6)
 val Purple900 = Color(0xFF4C1D95)
 val Pink50 = Color(0xFFFDF2F8)
 val Pink100 = Color(0xFFFCE7F3)
 val Pink200 = Color(0xFFFBCFE8)
 val Pink300 = Color(0xFFF9A8D4)
 val Pink400 = Color(0xFFF472B6)
 val Pink500 = Color(0xFFEC4899)
 val Pink600 = Color(0xFFDB2777)
 val Pink700 = Color(0xFFBE185D)
 val Pink800 = Color(0xFF9D174D)
 val Pink900 = Color(0xFF831843)
--- a/app/src/main/java/xyz/quaver/pupil/ui/theme/Theme.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/theme/Theme.kt
@@ -0,0 +1,90 @@
 package xyz.quaver.pupil.ui.theme
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.runtime.Composable
 private val LightColors = lightColorScheme(
    primary = md_theme_light_primary,
    onPrimary = md_theme_light_onPrimary,
    primaryContainer = md_theme_light_primaryContainer,
    onPrimaryContainer = md_theme_light_onPrimaryContainer,
    secondary = md_theme_light_secondary,
    onSecondary = md_theme_light_onSecondary,
    secondaryContainer = md_theme_light_secondaryContainer,
    onSecondaryContainer = md_theme_light_onSecondaryContainer,
    tertiary = md_theme_light_tertiary,
    onTertiary = md_theme_light_onTertiary,
    tertiaryContainer = md_theme_light_tertiaryContainer,
    onTertiaryContainer = md_theme_light_onTertiaryContainer,
    error = md_theme_light_error,
    errorContainer = md_theme_light_errorContainer,
    onError = md_theme_light_onError,
    onErrorContainer = md_theme_light_onErrorContainer,
    background = md_theme_light_background,
    onBackground = md_theme_light_onBackground,
    surface = md_theme_light_surface,
    onSurface = md_theme_light_onSurface,
    surfaceVariant = md_theme_light_surfaceVariant,
    onSurfaceVariant = md_theme_light_onSurfaceVariant,
    outline = md_theme_light_outline,
    inverseOnSurface = md_theme_light_inverseOnSurface,
    inverseSurface = md_theme_light_inverseSurface,
    inversePrimary = md_theme_light_inversePrimary,
    surfaceTint = md_theme_light_surfaceTint,
    outlineVariant = md_theme_light_outlineVariant,
    scrim = md_theme_light_scrim,
 )
 private val DarkColors = darkColorScheme(
    primary = md_theme_dark_primary,
    onPrimary = md_theme_dark_onPrimary,
    primaryContainer = md_theme_dark_primaryContainer,
    onPrimaryContainer = md_theme_dark_onPrimaryContainer,
    secondary = md_theme_dark_secondary,
    onSecondary = md_theme_dark_onSecondary,
    secondaryContainer = md_theme_dark_secondaryContainer,
    onSecondaryContainer = md_theme_dark_onSecondaryContainer,
    tertiary = md_theme_dark_tertiary,
    onTertiary = md_theme_dark_onTertiary,
    tertiaryContainer = md_theme_dark_tertiaryContainer,
    onTertiaryContainer = md_theme_dark_onTertiaryContainer,
    error = md_theme_dark_error,
    errorContainer = md_theme_dark_errorContainer,
    onError = md_theme_dark_onError,
    onErrorContainer = md_theme_dark_onErrorContainer,
    background = md_theme_dark_background,
    onBackground = md_theme_dark_onBackground,
    surface = md_theme_dark_surface,
    onSurface = md_theme_dark_onSurface,
    surfaceVariant = md_theme_dark_surfaceVariant,
    onSurfaceVariant = md_theme_dark_onSurfaceVariant,
    outline = md_theme_dark_outline,
    inverseOnSurface = md_theme_dark_inverseOnSurface,
    inverseSurface = md_theme_dark_inverseSurface,
    inversePrimary = md_theme_dark_inversePrimary,
    surfaceTint = md_theme_dark_surfaceTint,
    outlineVariant = md_theme_dark_outlineVariant,
    scrim = md_theme_dark_scrim,
 )
@Composable
 fun AppTheme(
  useDarkTheme: Boolean = isSystemInDarkTheme(),
  content: @Composable() () -> Unit
 ) {
  val colors = if (!useDarkTheme) {
    LightColors
  } else {
    DarkColors
  }
  MaterialTheme(
    colorScheme = colors,
    content = content
  )
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/view/FloatingSearchView.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/view/FloatingSearchView.kt
@@ -1,216 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.view
 import android.content.Context
 import android.graphics.PorterDuff
 import android.graphics.PorterDuffColorFilter
 import android.graphics.drawable.Animatable
 import android.text.Editable
 import android.text.TextWatcher
 import android.util.AttributeSet
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.inputmethod.EditorInfo
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.core.content.ContextCompat
 import androidx.core.content.res.ResourcesCompat
 import androidx.swiperefreshlayout.widget.CircularProgressDrawable
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
 import xyz.quaver.floatingsearchview.FloatingSearchView
 import xyz.quaver.floatingsearchview.suggestions.model.SearchSuggestion
 import xyz.quaver.floatingsearchview.util.view.SearchInputView
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.favoriteTags
 import xyz.quaver.pupil.types.*
 import java.util.*
 class FloatingSearchView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
    FloatingSearchView(context, attrs),
    FloatingSearchView.OnSearchListener,
    TextWatcher
 {
    private val searchInputView = findViewById<SearchInputView>(R.id.search_bar_text)
    var onHistoryDeleteClickedListener: ((String) -> Unit)? = null
    var onFavoriteHistorySwitchClickListener: (() -> Unit)? = null
    init {
        searchInputView.imeOptions = EditorInfo.IME_FLAG_NO_EXTRACT_UI or searchInputView.imeOptions
        searchInputView.addTextChangedListener(this)
        onSearchListener = this
        onBindSuggestionCallback = { binding, item, itemPosition ->
            onBindSuggestion(binding.root, binding.leftIcon, binding.body, item, itemPosition)
        }
    }
    override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
    }
    override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
    }
    override fun afterTextChanged(s: Editable?) {
        s ?: return
        if (s.any { it.isUpperCase() })
            s.replace(0, s.length, s.toString().toLowerCase(Locale.getDefault()))
    }
    override fun onSuggestionClicked(searchSuggestion: SearchSuggestion?) {
        when (searchSuggestion) {
            is TagSuggestion -> {
                val tag = "${searchSuggestion.n}:${searchSuggestion.s.replace(Regex("\\s"), "_")}"
                with(searchInputView.text!!) {
                    delete(if (lastIndexOf(' ') == -1) 0 else lastIndexOf(' ') + 1, length)
                    if (!this.contains(tag))
                        append("$tag ")
                }
            }
            is Suggestion -> {
                with(searchInputView.text!!) {
                    clear()
                    append(searchSuggestion.body)
                }
            }
            is FavoriteHistorySwitch -> onFavoriteHistorySwitchClickListener?.invoke()
        }
    }
    override fun onSearchAction(currentQuery: String?) {}
    fun onBindSuggestion(
        suggestionView: View?,
        leftIcon: ImageView?,
        textView: TextView?,
        item: SearchSuggestion?,
        itemPosition: Int
    ) {
      when(item) {
            is TagSuggestion -> {
                val tag = "${item.n}:${item.s}"
                leftIcon?.setImageDrawable(
                    ResourcesCompat.getDrawable(
                        resources,
                        when(item.n) {
                            "female" -> R.drawable.gender_female
                            "male" -> R.drawable.gender_male
                            "language" -> R.drawable.translate
                            "group" -> R.drawable.account_group
                            "character" -> R.drawable.account_star
                            "series" -> R.drawable.book_open
                            "artist" -> R.drawable.brush
                            else -> R.drawable.tag
                        },
                        context.theme)
                )
                with(suggestionView?.findViewById<ImageView>(R.id.right_icon)) {
                    this ?: return@with
                    if (favoriteTags.contains(Tag.parse(tag)))
                        setImageResource(R.drawable.ic_star_filled)
                    else
                        setImageResource(R.drawable.ic_star_empty)
                    visibility = View.VISIBLE
                    rotation = 0f
                    isEnabled = true
                    isClickable = true
                    setOnClickListener {
                        val tag = Tag.parse(tag)
                        if (favoriteTags.contains(tag)) {
                            setImageResource(R.drawable.ic_star_empty)
                            favoriteTags.remove(tag)
                        }
                        else {
                            setImageDrawable(
                                AnimatedVectorDrawableCompat.create(context,
                                    R.drawable.avd_star
                                ))
                            (drawable as Animatable).start()
                            favoriteTags.add(tag)
                        }
                    }
                }
                if (item.t > 0) {
                    (suggestionView as? LinearLayout)?.let {
                        val count = it.findViewById<TextView>(R.id.count)
                        if (count == null)
                            it.addView(
                                LayoutInflater.from(context).inflate(R.layout.suggestion_count, suggestionView, false)
                                    .apply {
                                        this as TextView
                                        text = item.t.toString()
                                    }, 2
                            )
                        else
                            count.text = item.t.toString()
                    }
                }
            }
            is FavoriteHistorySwitch -> {
                leftIcon?.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.swap_horizontal, context.theme))
            }
            is Suggestion -> {
                leftIcon?.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.history, context.theme))
                with(suggestionView?.findViewById<ImageView>(R.id.right_icon)) {
                    this ?: return@with
                    setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.delete, context.theme))
                    visibility = View.VISIBLE
                    rotation = 0f
                    isEnabled = true
                    isClickable = true
                    setOnClickListener {
                        onHistoryDeleteClickedListener?.invoke(item.body)
                    }
                }
            }
            is LoadingSuggestion -> {
                leftIcon?.setImageDrawable(CircularProgressDrawable(context).also {
                    it.setStyle(CircularProgressDrawable.DEFAULT)
                    it.colorFilter = PorterDuffColorFilter(ContextCompat.getColor(context, R.color.colorAccent), PorterDuff.Mode.SRC_IN)
                    it.start()
                })
            }
            is NoResultSuggestion -> {
                leftIcon?.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.close, context.theme))
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/view/MainView.java
+++ b/app/src/main/java/xyz/quaver/pupil/ui/view/MainView.java
@@ -1,462 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.view;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.os.Vibrator;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.appcompat.content.res.AppCompatResources;
 import androidx.core.content.ContextCompat;
 import androidx.core.view.NestedScrollingChild;
 import androidx.core.view.NestedScrollingChildHelper;
 import androidx.core.view.NestedScrollingParent;
 import androidx.core.view.NestedScrollingParentHelper;
 import androidx.core.view.ViewCompat;
 import androidx.core.widget.TextViewCompat;
 import xyz.quaver.pupil.R;
@SuppressWarnings("NullableProblems")
 public class MainView extends ViewGroup implements NestedScrollingChild, NestedScrollingParent {
    private static final int PAGE_TURN_LAYOUT_SIZE = 48;
    private static final int PAGE_TURN_ANIM_DURATION = 500;
    private static final int PREV_OFFSET = 64;
    private static final int RIPPLE_GIVE = 4;
    private final float adjustedPageTurnLayoutSize;
    private final float adjustedPrevOffset;
    private final float adjustedRippleGive;
    final private NestedScrollingParentHelper mNestedScrollingParentHelper;
    final private NestedScrollingChildHelper mNestedScrollingChildHelper;
    final private Vibrator mVibrator;
    private View mTarget;
    private TextView mPrev;
    private TextView mNext;
    private final Paint mRipplePaint = new Paint();
    private final Rect mRippleBound = new Rect();
    private int mRippleSize = 0;
    private final int mRippleTargetSize;
    private final ValueAnimator mRippleAnimator = new ValueAnimator();
    private int mCurrentOverScroll = 0;
    private int mCurrentPage = 1;
    private boolean mShowPrev;
    private boolean mShowNext;
    private OnPageTurnListener mOnPageTurnListener;
    public MainView(@NonNull Context context) {
        this(context, null);
    }
    public MainView(@NonNull Context context, AttributeSet attr) {
        this(context, attr, 0);
    }
    public MainView(@NonNull Context context, AttributeSet attr, int defStyle) {
        super(context, attr, defStyle);
        setWillNotDraw(false);
        DisplayMetrics metrics = getResources().getDisplayMetrics();
        adjustedPageTurnLayoutSize = PAGE_TURN_LAYOUT_SIZE * metrics.density;
        adjustedPrevOffset = PREV_OFFSET * metrics.density;
        adjustedRippleGive = RIPPLE_GIVE * metrics.density;
        mRippleTargetSize = metrics.widthPixels;
        mNestedScrollingParentHelper = new NestedScrollingParentHelper(this);
        mNestedScrollingChildHelper = new NestedScrollingChildHelper(this);
        mVibrator = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE);
        mRippleAnimator.addUpdateListener(animation -> {
            mRippleSize = (int) animation.getAnimatedValue();
            invalidate();
        });
        mRippleAnimator.setDuration(PAGE_TURN_ANIM_DURATION);
        initPageTurnView();
    }
    public void setCurrentPage(int currentPage, boolean showNext) {
        mCurrentPage = currentPage;
        mShowPrev = currentPage > 1;
        mShowNext = showNext;
        mPrev.setText(getContext().getString(R.string.main_move_to_page, mCurrentPage-1));
        mNext.setText(getContext().getString(R.string.main_move_to_page, mCurrentPage+1));
    }
    public void setOnPageTurnListener(OnPageTurnListener listener) {
        mOnPageTurnListener = listener;
    }
    private void initPageTurnView() {
        TextView prev = new TextView(getContext());
        TextView next = new TextView(getContext());
        prev.setGravity(Gravity.CENTER_VERTICAL);
        next.setGravity(Gravity.CENTER_VERTICAL);
        prev.setCompoundDrawablesWithIntrinsicBounds(R.drawable.navigate_prev, 0, 0, 0);
        next.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.navigate_next, 0);
        TextViewCompat.setCompoundDrawableTintList(prev, AppCompatResources.getColorStateList(getContext(), R.color.colorAccent));
        TextViewCompat.setCompoundDrawableTintList(next, AppCompatResources.getColorStateList(getContext(), R.color.colorAccent));
        prev.setVisibility(View.INVISIBLE);
        next.setVisibility(View.INVISIBLE);
        mPrev = prev;
        mNext = next;
        addView(mPrev);
        addView(mNext);
        setCurrentPage(1, false);
    }
    private void ensureTarget() {
        if (mTarget == null) {
            for (int i = 0; i < getChildCount(); i++) {
                View child = getChildAt(i);
                if (!child.equals(mNext) && !child.equals(mPrev)) {
                    mTarget = child;
                    break;
                }
            }
        }
    }
    @Override
    protected void onLayout(boolean changed, int l, int t, int r, int b) {
        final int width = getMeasuredWidth();
        final int height = getMeasuredHeight();
        if (getChildCount() == 0)
            return;
        if (mTarget == null)
            ensureTarget();
        if (mTarget == null)
            return;
        mTarget.layout(
            getPaddingLeft(),
            getPaddingTop(),
            width - getPaddingRight(),
            height - getPaddingBottom()
        );
        final int prevWidth = mPrev.getMeasuredWidth();
        mPrev.layout(
            width / 2 - prevWidth / 2,
            getPaddingTop() + (int) adjustedPrevOffset,
            width / 2 + prevWidth / 2,
            getPaddingTop() + (int) adjustedPrevOffset + mPrev.getMeasuredHeight()
        );
        final int nextWidth = mNext.getMeasuredWidth();
        mNext.layout(
            width / 2 - nextWidth / 2,
            height - getPaddingBottom() - mNext.getMeasuredHeight(),
            width / 2 + nextWidth / 2,
            height - getPaddingBottom()
        );
    }
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        if (mTarget == null)
            ensureTarget();
        if (mTarget == null)
            return;
        mTarget.measure(
            MeasureSpec.makeMeasureSpec(getMeasuredWidth() - getPaddingLeft() - getPaddingRight(), MeasureSpec.EXACTLY),
            MeasureSpec.makeMeasureSpec(getMeasuredHeight() - getPaddingTop() - getPaddingBottom(), MeasureSpec.EXACTLY)
        );
        mPrev.measure(
            MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST),
            MeasureSpec.makeMeasureSpec((int) adjustedPageTurnLayoutSize, MeasureSpec.EXACTLY)
        );
        mNext.measure(
            MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST),
            MeasureSpec.makeMeasureSpec((int) adjustedPageTurnLayoutSize, MeasureSpec.EXACTLY)
        );
    }
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (mCurrentOverScroll == 0)
            return;
        if (mCurrentOverScroll > 0) {
            mRippleBound.set(
                getPaddingLeft(),
                (int) (getPaddingTop() - adjustedRippleGive),
                getMeasuredWidth() - getPaddingRight(),
                (int) (getPaddingTop() + adjustedPrevOffset + mPrev.getMeasuredHeight() + adjustedRippleGive)
            );
        }
        if (mCurrentOverScroll < 0) {
            final int height = getMeasuredHeight();
            mRippleBound.set(
                getPaddingLeft(),
                (int) (height - getPaddingBottom() - mNext.getMeasuredHeight() - adjustedRippleGive),
                getMeasuredWidth() - getPaddingRight(),
                height - getPaddingBottom()
            );
        }
        mRipplePaint.reset();
        mRipplePaint.setStyle(Paint.Style.FILL);
        int currentNightMode = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
        switch (currentNightMode) {
            case Configuration.UI_MODE_NIGHT_YES:
                mRipplePaint.setColor(ContextCompat.getColor(getContext(), R.color.material_light_blue_700));
                break;
            case Configuration.UI_MODE_NIGHT_NO:
                mRipplePaint.setColor(ContextCompat.getColor(getContext(), R.color.material_light_blue_300));
                break;
        }
        canvas.drawCircle(
            (mRippleBound.left + mRippleBound.right) / 2F,
            mCurrentOverScroll > 0 ? mRippleBound.bottom : mRippleBound.top,
            mRippleSize,
            mRipplePaint
        );
    }
    private void onOverscroll(int overscroll) {
        if (mTarget == null)
            ensureTarget();
        if (mTarget == null)
            return;
        mCurrentOverScroll = overscroll;
        if (overscroll > 0) {
            mPrev.setVisibility(View.VISIBLE);
            mNext.setVisibility(View.INVISIBLE);
        } else if (overscroll < 0) {
            mPrev.setVisibility(View.INVISIBLE);
            mNext.setVisibility(View.VISIBLE);
        } else {
            mPrev.setVisibility(View.INVISIBLE);
            mNext.setVisibility(View.INVISIBLE);
        }
        if (Math.abs(overscroll) >= adjustedPageTurnLayoutSize) {
            if (!mRippleAnimator.isStarted() && mRippleSize != mRippleTargetSize) {
                mVibrator.vibrate(10);
                mRippleAnimator.setIntValues(mRippleSize, mRippleTargetSize);
                mRippleAnimator.start();
            }
        } else {
            if (!mRippleAnimator.isStarted() && mRippleSize != 0) {
                mRippleAnimator.setIntValues(mRippleSize, 0);
                mRippleAnimator.start();
            }
        }
        float clippedOverScrollTop = (overscroll > 0 ? 1 : -1) * Math.min(Math.abs(overscroll), adjustedPageTurnLayoutSize);
        mTarget.setTranslationY(clippedOverScrollTop);
    }
    private void onOverscrollEnd(int overscroll) {
        if (mTarget == null)
            ensureTarget();
        if (mTarget == null)
            return;
        mRippleAnimator.cancel();
        mRippleAnimator.setIntValues(mRippleSize, 0);
        mRippleAnimator.start();
        mPrev.setVisibility(View.INVISIBLE);
        mNext.setVisibility(View.INVISIBLE);
        ViewCompat.animate(mTarget)
            .setDuration(PAGE_TURN_ANIM_DURATION)
            .setInterpolator(new DecelerateInterpolator())
            .translationY(0);
        if (Math.abs(overscroll) > adjustedPageTurnLayoutSize && mOnPageTurnListener != null) {
            if (overscroll > 0)
                mOnPageTurnListener.onPrev(mCurrentPage-1);
            if (overscroll < 0)
                mOnPageTurnListener.onNext(mCurrentPage+1);
        }
    }
    // NestedScrollingParent
    private int mTotalUnconsumed = 0;
    @Override
    public boolean onStartNestedScroll(View child, View target, int nestedScrollAxes) {
        return isEnabled() && (nestedScrollAxes & ViewCompat.SCROLL_AXIS_VERTICAL) != 0;
    }
    @Override
    public void onNestedScrollAccepted(View child, View target, int axes) {
        mNestedScrollingParentHelper.onNestedScrollAccepted(child, target, axes);
        startNestedScroll(axes & ViewCompat.SCROLL_AXIS_VERTICAL);
        mTotalUnconsumed = 0;
    }
    @Override
    public void onNestedPreScroll(View target, int dx, int dy, int[] consumed) {
        if (mTotalUnconsumed != 0 && dy > 0 == mTotalUnconsumed > 0) {
            if (Math.abs(dy) > Math.abs(mTotalUnconsumed)) {
                consumed[1] = dy - mTotalUnconsumed;
                mTotalUnconsumed = 0;
            } else {
                mTotalUnconsumed -= dy;
                consumed[1] = dy;
            }
            onOverscroll(mTotalUnconsumed);
        }
        final int[] parentConsumed = new int[2];
        if (dispatchNestedPreScroll(dx - consumed[0], dy - consumed[1], parentConsumed, null)) {
            consumed[0] += parentConsumed[0];
            consumed[1] += parentConsumed[1];
        }
    }
    @Override
    public void onNestedScroll(View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) {
        final int[] mParentOffsetInWindow = new int[2];
        dispatchNestedScroll(dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, mParentOffsetInWindow);
        final int dy = dyUnconsumed + mParentOffsetInWindow[1];
        if (mTotalUnconsumed == 0 && ((dy < 0 && !mShowPrev) || (dy > 0 && !mShowNext)))
            return;
        if (dy != 0) {
            mTotalUnconsumed -= dy;
            onOverscroll(mTotalUnconsumed);
        }
    }
    @Override
    public void onStopNestedScroll(View child) {
        mNestedScrollingParentHelper.onStopNestedScroll(child);
        if (Math.abs(mTotalUnconsumed) > 0) {
            onOverscrollEnd(mTotalUnconsumed);
            mTotalUnconsumed = 0;
        }
        stopNestedScroll();
    }
    // NestedScrollingChild
    @Override
    public void setNestedScrollingEnabled(boolean enabled) {
        mNestedScrollingChildHelper.setNestedScrollingEnabled(enabled);
    }
    @Override
    public boolean isNestedScrollingEnabled() {
        return mNestedScrollingChildHelper.isNestedScrollingEnabled();
    }
    @Override
    public boolean startNestedScroll(int axes) {
        return mNestedScrollingChildHelper.startNestedScroll(axes);
    }
    @Override
    public void stopNestedScroll() {
        mNestedScrollingChildHelper.stopNestedScroll();
    }
    @Override
    public boolean hasNestedScrollingParent() {
        return mNestedScrollingChildHelper.hasNestedScrollingParent();
    }
    @Override
    public boolean dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, @Nullable int[] offsetInWindow) {
        return mNestedScrollingChildHelper.dispatchNestedScroll(dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, offsetInWindow);
    }
    @Override
    public boolean dispatchNestedPreScroll(int dx, int dy, @Nullable int[] consumed, @Nullable int[] offsetInWindow) {
        return mNestedScrollingChildHelper.dispatchNestedPreScroll(dx, dy, consumed, offsetInWindow);
    }
    @Override
    public boolean dispatchNestedFling(float velocityX, float velocityY, boolean consumed) {
        return mNestedScrollingChildHelper.dispatchNestedFling(velocityX, velocityY, consumed);
    }
    @Override
    public boolean dispatchNestedPreFling(float velocityX, float velocityY) {
        return mNestedScrollingChildHelper.dispatchNestedPreFling(velocityX, velocityY);
    }
    public interface OnPageTurnListener {
        void onPrev(int page);
        void onNext(int page);
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/view/ProgressCard.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/view/ProgressCard.kt
@@ -1,72 +0,0 @@
 package xyz.quaver.pupil.ui.view
 import android.content.Context
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.cardview.widget.CardView
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.DrawableCompat
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.databinding.ProgressCardViewBinding
 class ProgressCard @JvmOverloads constructor(context: Context, attr: AttributeSet? = null, defStyle: Int = R.attr.cardViewStyle) : CardView(context, attr, defStyle) {
    enum class Type {
        LOADING,
        CACHE,
        DOWNLOAD
    }
    var type: Type = Type.LOADING
        set(value) {
            field = value
            when (field) {
                Type.LOADING -> R.color.colorAccent
                Type.CACHE -> R.color.material_blue_700
                Type.DOWNLOAD -> R.color.material_green_a700
            }.let {
                val color = ContextCompat.getColor(context, it)
                DrawableCompat.setTint(binding.progressbar.progressDrawable, color)
            }
        }
    var progress: Int
        get() = binding.progressbar.progress
        set(value) {
            binding.progressbar.progress = value
        }
    var max: Int
        get() = binding.progressbar.max
        set(value) {
            binding.progressbar.max = value
            binding.progressbar.visibility =
                if (value == 0)
                    GONE
                else
                    VISIBLE
        }
    val binding = ProgressCardViewBinding.inflate(LayoutInflater.from(context), this)
    init {
        binding.content.setOnClickListener {
            performClick()
        }
        binding.content.setOnLongClickListener {
            performLongClick()
        }
    }
    override fun addView(child: View?, index: Int, params: ViewGroup.LayoutParams?) {
        if (childCount == 0)
            super.addView(child, index, params)
        else
            binding.content.addView(child, index, params)
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/view/TagChip.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/view/TagChip.kt
@@ -1,100 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.view
 import android.annotation.SuppressLint
 import android.content.Context
 import androidx.core.content.ContextCompat
 import com.google.android.material.chip.Chip
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.favoriteTags
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.util.translations
 import xyz.quaver.pupil.util.wordCapitalize
@SuppressLint("ViewConstructor")
 class TagChip(context: Context, _tag: Tag) : Chip(context) {
    val tag: Tag =
        _tag.let {
            when {
                it.area != null -> it
                else -> Tag("tag", _tag.tag)
            }
        }
    private val languages = context.resources.getStringArray(R.array.languages).map {
        it.split("|").let { split ->
            Pair(split[0], split[1])
        }
    }.toMap()
    init {
        when(tag.area) {
            "male" -> {
                setChipBackgroundColorResource(R.color.material_blue_700)
                setTextColor(ContextCompat.getColor(context, android.R.color.white))
                setCloseIconTintResource(android.R.color.white)
                chipIcon = ContextCompat.getDrawable(context, R.drawable.gender_male_white)
            }
            "female" -> {
                setChipBackgroundColorResource(R.color.material_pink_600)
                setTextColor(ContextCompat.getColor(context, android.R.color.white))
                setCloseIconTintResource(android.R.color.white)
                chipIcon = ContextCompat.getDrawable(context, R.drawable.gender_female_white)
            }
        }
        if (favoriteTags.contains(tag))
            setChipBackgroundColorResource(R.color.material_orange_500)
        isCloseIconVisible = true
        closeIcon = ContextCompat.getDrawable(context,
            if (favoriteTags.contains(tag))
                R.drawable.ic_star_filled
            else
                R.drawable.ic_star_empty
        )
        setOnCloseIconClickListener {
            if (favoriteTags.contains(tag)) {
                favoriteTags.remove(tag)
                closeIcon = ContextCompat.getDrawable(context, R.drawable.ic_star_empty)
                when(tag.area) {
                    "male" -> setChipBackgroundColorResource(R.color.material_blue_700)
                    "female" -> setChipBackgroundColorResource(R.color.material_pink_600)
                    else -> chipBackgroundColor = null
                }
            } else {
                favoriteTags.add(tag)
                closeIcon = ContextCompat.getDrawable(context, R.drawable.ic_star_filled)
                setChipBackgroundColorResource(R.color.material_orange_500)
            }
        }
        text = when (tag.area) {
            "language" -> languages[tag.tag]
            else -> (translations[tag.tag] ?: tag.tag).wordCapitalize()
        }
        setEnsureMinTouchTargetSize(false)
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/view/TagChipGroup.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/view/TagChipGroup.kt
@@ -1,100 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.ui.view
 import android.content.Context
 import android.content.res.TypedArray
 import android.util.AttributeSet
 import android.util.Log
 import com.google.android.material.chip.Chip
 import com.google.android.material.chip.ChipGroup
 import kotlinx.coroutines.*
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.types.Tags
 class TagChipGroup @JvmOverloads constructor(context: Context, attr: AttributeSet? = null, attrStyle: Int = R.attr.chipGroupStyle, val tags: Tags = Tags()) : ChipGroup(context, attr, attrStyle), MutableSet<Tag> by tags {
    object Defaults {
        const val maxChipSize = 10
    }
    var maxChipSize: Int = Defaults.maxChipSize
        set(value) {
            field = value
            refresh()
        }
    private val moreView = Chip(context).apply {
        text = "…"
        setEnsureMinTouchTargetSize(false)
        setOnClickListener {
            removeView(this)
            for (i in maxChipSize until tags.size) {
                val tag = tags.elementAt(i)
                addView(TagChip(context, tag).apply {
                    setOnClickListener {
                        onClickListener?.invoke(tag)
                    }
                })
            }
        }
    }
    var onClickListener: ((Tag) -> Unit)? = null
    private fun applyAttributes(attr: TypedArray) {
        maxChipSize = attr.getInt(R.styleable.TagChipGroup_maxTag, Defaults.maxChipSize)
    }
    private var refreshJob: Job? = null
    fun refresh() {
        refreshJob?.cancel()
        this.removeAllViews()
        refreshJob = CoroutineScope(Dispatchers.Main).launch {
            tags.take(maxChipSize).map {
                CoroutineScope(Dispatchers.Default).async {
                    TagChip(context, it).apply {
                        setOnClickListener {
                            onClickListener?.invoke(this.tag)
                        }
                    }
                }
            }.forEach {
                addView(it.await())
            }
            if (maxChipSize > 0 && tags.size > maxChipSize)
                addView(moreView)
        }
    }
    init {
        applyAttributes(context.obtainStyledAttributes(attr, R.styleable.TagChipGroup))
        refresh()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/ui/viewmodel/MainViewModel.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/viewmodel/MainViewModel.kt
@@ -0,0 +1,86 @@
 package xyz.quaver.pupil.ui.viewmodel
 import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.networking.GalleryInfo
 import xyz.quaver.pupil.networking.GallerySearchSource
 import xyz.quaver.pupil.networking.SearchQuery
 import kotlin.math.max
 import kotlin.math.min
 class MainViewModel : ViewModel() {
    private val _uiState = MutableStateFlow(SearchState())
    val searchState: StateFlow<SearchState> = _uiState
    private var searchSource: GallerySearchSource = GallerySearchSource(null)
    private var job: Job? = null
    fun openGalleryDetails(galleryInfo: GalleryInfo) {
        _uiState.value = _uiState.value.copy(
            openedGallery = galleryInfo,
            isDetailOnlyOpen = true
        )
    }
    fun closeGalleryDetails() {
        _uiState.value = _uiState.value.copy(
            isDetailOnlyOpen = false
        )
    }
    fun onQueryChange(query: SearchQuery?) {
        _uiState.value = _uiState.value.copy(
            query = query,
            galleryCount = null,
            currentRange = IntRange.EMPTY
        )
        searchSource = GallerySearchSource(query)
    }
    fun loadSearchResult(range: IntRange) {
        Thread.dumpStack()
        job?.cancel()
        job = viewModelScope.launch {
            val sanitizedRange = max(range.first, 0) .. min(range.last, searchState.value.galleryCount ?: Int.MAX_VALUE)
            _uiState.value = _uiState.value.copy(
                loading = true,
                error = false,
                currentRange = sanitizedRange
            )
            var error = false
            val (galleries, galleryCount) = searchSource.load(range).getOrElse {
                error = true
                it.printStackTrace()
                emptyList<GalleryInfo>() to 0
            }
            _uiState.value = _uiState.value.copy(
                galleries = galleries,
                galleryCount = galleryCount,
                error = error,
                loading = false
            )
        }
    }
    fun navigateToDetail() {
    }
 }
 data class SearchState(
    val query: SearchQuery? = null,
    val galleries: List<GalleryInfo> = emptyList(),
    val loading: Boolean = false,
    val error: Boolean = false,
    val galleryCount: Int? = null,
    val currentRange: IntRange = IntRange.EMPTY,
    val openedGallery: GalleryInfo? = null,
    val isDetailOnlyOpen: Boolean = false
 )
--- a/app/src/main/java/xyz/quaver/pupil/util/ItemClickSupport.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/ItemClickSupport.kt
@@ -1,69 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import xyz.quaver.pupil.R
 class ItemClickSupport(private val recyclerView: RecyclerView) {
    var onItemClickListener: ((RecyclerView, Int, View) -> Unit)? = null
    var onItemLongClickListener: ((RecyclerView, Int, View) -> Boolean)? = null
    init {
        recyclerView.apply {
            setTag(R.id.item_click_support, this)
            addOnChildAttachStateChangeListener(object: RecyclerView.OnChildAttachStateChangeListener {
                override fun onChildViewAttachedToWindow(view: View) {
                    onItemClickListener?.let { listener ->
                        view.setOnClickListener {
                            recyclerView.getChildViewHolder(view).let { holder ->
                                listener.invoke(recyclerView, holder.adapterPosition, view)
                            }
                        }
                    }
                    onItemLongClickListener?.let { listener ->
                        view.setOnLongClickListener {
                            recyclerView.getChildViewHolder(view).let { holder ->
                                listener.invoke(recyclerView, holder.adapterPosition, view)
                            }
                        }
                    }
                }
                override fun onChildViewDetachedFromWindow(view: View) {
                    // Do Nothing
                }
            })
        }
    }
    fun detach() {
        recyclerView.apply {
            clearOnChildAttachStateChangeListeners()
            setTag(R.id.item_click_support, null)
        }
    }
    companion object {
        fun addTo(view: RecyclerView) = view.let { removeFrom(it); ItemClickSupport(it) }
        fun removeFrom(view: RecyclerView) = (view.tag as? ItemClickSupport)?.detach()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/Preferences.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/Preferences.kt
@@ -1,48 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.content.SharedPreferences
 import kotlin.reflect.KClass
 lateinit var preferences: SharedPreferences
 object Preferences: SharedPreferences by preferences {
    val defMap = mapOf(
        String::class to "",
        Int::class to -1,
        Long::class to -1L,
        Boolean::class to false,
        Set::class to emptySet<Any>()
    )
    operator fun set(key: String, value: String) = edit().putString(key, value).apply()
    operator fun set(key: String, value: Int) = edit().putInt(key, value).apply()
    operator fun set(key: String, value: Long) = edit().putLong(key, value).apply()
    operator fun set(key: String, value: Boolean) = edit().putBoolean(key, value).apply()
    operator fun set(key: String, value: Set<String>) = edit().putStringSet(key, value).apply()
    @Suppress("UNCHECKED_CAST")
    inline operator fun <reified T: Any> get(key: String, defaultVal: T = defMap[T::class] as T): T = (all[key] as? T) ?: defaultVal
    fun remove(key: String) {
        edit().remove(key).apply()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/SavedSet.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/SavedSet.kt
@@ -1,93 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.builtins.ListSerializer
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.serializer
 import java.io.File
 class SavedSet <T: Any> (private val file: File, private val any: T, private val set: MutableSet<T> = mutableSetOf()) : MutableSet<T> by set {
    @Suppress("UNCHECKED_CAST")
    @OptIn(ExperimentalSerializationApi::class)
    val serializer: KSerializer<List<T>>
        get() = ListSerializer(serializer(any::class.java) as KSerializer<T>)
    init {
        if (!file.exists()) {
            file.parentFile?.mkdirs()
            save()
        }
        load()
    }
    @Synchronized
    fun load() {
        set.clear()
        kotlin.runCatching {
            Json.decodeFromString(serializer, file.readText())
        }.onSuccess {
            set.addAll(it)
        }.onFailure {
            FirebaseCrashlytics.getInstance().recordException(it)
        }
    }
    @Synchronized
    @OptIn(ExperimentalSerializationApi::class)
    fun save() {
        file.writeText(Json.encodeToString(serializer, set.toList()))
    }
    @Synchronized
    override fun add(element: T): Boolean {
        set.remove(element)
        return set.add(element).also {
            save()
        }
    }
    @Synchronized
    override fun addAll(elements: Collection<T>): Boolean {
        set.removeAll(elements)
        return set.addAll(elements).also {
            save()
        }
    }
    @Synchronized
    override fun remove(element: T): Boolean {
        return set.remove(element).also {
            save()
        }
    }
    @Synchronized
    override fun clear() {
        set.clear()
        save()
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/camera.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/camera.kt
@@ -1,119 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
@file:Suppress("DEPRECATION", "Recycle")
 package xyz.quaver.pupil.util
 import android.content.Context
 import android.content.pm.PackageManager
 import android.graphics.ImageFormat
 import android.graphics.SurfaceTexture
 import android.hardware.Camera
 import android.view.Surface
 import android.view.WindowManager
 import com.google.android.gms.tasks.Task
 import com.google.mlkit.vision.common.InputImage
 import com.google.mlkit.vision.face.Face
 import com.google.mlkit.vision.face.FaceDetection
 import com.google.mlkit.vision.face.FaceDetectorOptions
 /** Check if this device has a camera */
 private fun Context.checkCameraHardware() =
    this.packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA)
 private fun openFrontCamera() : Pair<Camera?, Int> {
    var camera: Camera? = null
    var cameraID: Int = -1
    val cameraInfo = Camera.CameraInfo()
    for (i in 0 until Camera.getNumberOfCameras()) {
        Camera.getCameraInfo(i, cameraInfo)
        if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT)
            runCatching { Camera.open(i) }.getOrNull()?.let { camera = it; cameraID = i }
        if (camera != null) break
    }
    return Pair(camera, cameraID)
 }
 val orientations = mapOf(
    Surface.ROTATION_0 to 0,
    Surface.ROTATION_90 to 90,
    Surface.ROTATION_180 to 180,
    Surface.ROTATION_270 to 270,
 )
 private fun getRotation(context: Context, cameraID: Int): Int {
    val cameraRotation = Camera.CameraInfo().also { Camera.getCameraInfo(cameraID, it) }.orientation
    val rotation = orientations[(context.getSystemService(Context.WINDOW_SERVICE) as WindowManager).defaultDisplay.rotation] ?: error("")
    return (cameraRotation + rotation) % 360
 }
 var camera: Camera? = null
 var surfaceTexture: SurfaceTexture? = null
 private val detector = FaceDetection.getClient(
    FaceDetectorOptions.Builder()
        .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_ALL)
        .build()
 )
 private var process: Task<List<Face>>? = null
 fun startCamera(context: Context, callback: (List<Face>) -> Unit) {
    if (camera != null) closeCamera()
    val cameraID = openFrontCamera().let { (cam, cameraID) ->
        cam ?: return
        camera = cam
        cameraID
    }
    with (camera!!) {
        parameters = parameters.apply {
            setPreviewSize(640, 480)
            previewFormat = ImageFormat.NV21
        }
        setPreviewTexture(surfaceTexture ?: SurfaceTexture(0).also {
            surfaceTexture = it
        })
        startPreview()
        setPreviewCallback { bytes, _ ->
            if (process?.isComplete == false)
                return@setPreviewCallback
            val rotation = getRotation(context, cameraID)
            val image = InputImage.fromByteArray(bytes, 640, 480, rotation, InputImage.IMAGE_FORMAT_NV21)
            process = detector.process(image)
                .addOnSuccessListener(callback)
        }
    }
 }
 fun closeCamera() {
    camera?.setPreviewCallback(null)
    camera?.stopPreview()
    surfaceTexture?.release()
    surfaceTexture = null
    camera?.release()
    camera = null
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
@@ -1,285 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util.downloader
 import android.content.Context
 import android.content.ContextWrapper
 import android.net.Uri
 import android.util.Log
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import okhttp3.Request
 import xyz.quaver.io.FileX
 import xyz.quaver.io.util.*
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.hitomi.GalleryBlock
 import xyz.quaver.pupil.hitomi.GalleryInfo
 import xyz.quaver.pupil.hitomi.getGalleryBlock
 import xyz.quaver.pupil.hitomi.getGalleryInfo
 import xyz.quaver.pupil.userAgent
 import java.io.File
 import java.io.IOException
 import java.io.InputStream
 import java.util.concurrent.ConcurrentHashMap
@Serializable
 data class OldGalleryBlock(
    val code: String,
    val id: Int,
    val galleryUrl: String,
    val thumbnails: List<String>,
    val title: String,
    val artists: List<String>,
    val series: List<String>,
    val type: String,
    val language: String,
    val relatedTags: List<String>
 )
@Serializable
 data class OldReader(val code: String, val galleryInfo: GalleryInfo)
@Serializable
 data class OldMetadata(
    var galleryBlock: OldGalleryBlock? = null,
    var reader: OldReader? = null,
    var imageList: MutableList<String?>? = null
 ) {
    fun copy(): OldMetadata = OldMetadata(galleryBlock, reader, imageList?.let { MutableList(it.size) { i -> it[i] } })
 }
@Serializable
 data class Metadata(
    var galleryBlock: GalleryBlock? = null,
    var galleryInfo: GalleryInfo? = null,
    var imageList: MutableList<String?>? = null
 ) {
    constructor(old: OldMetadata) : this(old.galleryBlock?.let { galleryBlock -> GalleryBlock(
        galleryBlock.id,
        galleryBlock.galleryUrl,
        galleryBlock.thumbnails,
        galleryBlock.title,
        galleryBlock.artists,
        galleryBlock.series,
        galleryBlock.type,
        galleryBlock.language,
        galleryBlock.relatedTags) },
        old.reader?.galleryInfo,
        old.imageList
    )
    fun copy(): Metadata = Metadata(galleryBlock, galleryInfo, imageList?.let { MutableList(it.size) { i -> it[i] } })
 }
 class Cache private constructor(context: Context, val galleryID: Int) : ContextWrapper(context) {
    companion object {
        val instances = ConcurrentHashMap<Int, Cache>()
        fun getInstance(context: Context, galleryID: Int) =
            instances[galleryID] ?: synchronized(this) {
                instances[galleryID] ?: Cache(context, galleryID).also { instances.put(galleryID, it) }
            }
        @Synchronized
        fun delete(context: Context, galleryID: Int) {
            File(context.cacheDir, "imageCache/$galleryID").deleteRecursively()
            instances.remove(galleryID)
        }
    }
    init {
        cacheFolder.mkdirs()
    }
    var metadata = kotlin.runCatching {
        findFile(".metadata")?.readText()?.let { metadata ->
            kotlin.runCatching {
                Json.decodeFromString<Metadata>(metadata)
            }.getOrElse {
                Metadata(Json.decodeFromString<OldMetadata>(metadata))
            }
        }
    }.getOrNull() ?: Metadata()
    val downloadFolder: FileX?
        get() = DownloadManager.getInstance(this).getDownloadFolder(galleryID)
    val cacheFolder: FileX
        get() = FileX(this, cacheDir, "imageCache/$galleryID").also {
            if (!it.exists())
                it.mkdirs()
        }
    fun findFile(fileName: String): FileX? =
         downloadFolder?.let { downloadFolder -> downloadFolder.getChild(fileName).let {
            if (it.exists()) it else null
        } } ?: cacheFolder.getChild(fileName).let {
            if (it.exists()) it else null
        }
    @Suppress("BlockingMethodInNonBlockingContext")
    fun setMetadata(change: (Metadata) -> Unit) {
        change.invoke(metadata)
        val file = cacheFolder.getChild(".metadata")
        kotlin.runCatching {
            if (!file.exists()) {
                file.createNewFile()
            }
            file.writeText(Json.encodeToString(metadata))
        }
    }
    suspend fun getGalleryBlock(): GalleryBlock? {
        return metadata.galleryBlock
            ?: withContext(Dispatchers.IO) {
                try {
                    getGalleryBlock(galleryID).also {
                        setMetadata { metadata -> metadata.galleryBlock = it }
                    }
                } catch (e: Exception) { return@withContext null }
            }
    }
    @Suppress("BlockingMethodInNonBlockingContext")
    suspend fun getThumbnail(): Uri =
        findFile(".thumbnail")?.uri
            ?: getGalleryBlock()?.thumbnails?.firstOrNull()?.let { withContext(Dispatchers.IO) {
                kotlin.runCatching {
                    val request = Request.Builder()
                        .url(it)
                        .header("Referer", "https://hitomi.la/")
                        .build()
                    client.newCall(request).execute().also { if (it.code() != 200) throw IOException() }.body()?.use { it.bytes() }
                }.getOrNull()?.let { thumbnail -> kotlin.runCatching {
                    cacheFolder.getChild(".thumbnail").also {
                        if (!it.exists())
                            it.createNewFile()
                        it.writeBytes(thumbnail)
                    }
                }.getOrNull()?.uri }
            } } ?: Uri.EMPTY
    suspend fun getGalleryInfo(): GalleryInfo? {
        return metadata.galleryInfo
            ?: withContext(Dispatchers.IO) {
                try {
                    getGalleryInfo(galleryID).also {
                        setMetadata { metadata ->
                            metadata.galleryInfo = it
                            if (metadata.imageList == null)
                                metadata.imageList = MutableList(it.files.size) { null }
                        }
                    }
                } catch (e: Exception) {
                    null
                }
            }
    }
    fun getImage(index: Int): FileX? =
        metadata.imageList?.getOrNull(index)?.let { findFile(it) }
    @Suppress("BlockingMethodInNonBlockingContext")
    fun putImage(index: Int, fileName: String, data: InputStream) {
        val file = cacheFolder.getChild(fileName)
        if (!file.exists())
            file.createNewFile()
        file.outputStream()?.use {
            data.copyTo(it)
        }
        setMetadata { metadata -> metadata.imageList!![index] = fileName }
    }
    private val lock = ConcurrentHashMap<Int, Mutex>()
    @Suppress("BlockingMethodInNonBlockingContext")
    fun moveToDownload() = CoroutineScope(Dispatchers.IO).launch {
        val downloadFolder = downloadFolder ?: return@launch
        if (lock[galleryID]?.isLocked == true)
            return@launch
        (lock[galleryID] ?: Mutex().also { lock[galleryID] = it }).withLock {
            val cacheMetadata = cacheFolder.getChild(".metadata")
            val downloadMetadata = downloadFolder.getChild(".metadata")
            if (!cacheMetadata.exists())
                return@launch
            if (cacheMetadata.exists()) {
                kotlin.runCatching {
                    if (!downloadMetadata.exists())
                        downloadMetadata.createNewFile()
                    downloadMetadata.writeText(Json.encodeToString(metadata))
                }
            }
            val cacheThumbnail = cacheFolder.getChild(".thumbnail")
            val downloadThumbnail = downloadFolder.getChild(".thumbnail")
            if (cacheThumbnail.exists()) {
                kotlin.runCatching {
                    if (!downloadThumbnail.exists())
                        downloadThumbnail.createNewFile()
                    downloadThumbnail.outputStream()?.use { target -> target.channel.truncate(0L); cacheThumbnail.inputStream()?.use { source ->
                        source.copyTo(target)
                    } }
                    cacheThumbnail.delete()
                }
            }
            metadata.imageList?.forEach { imageName ->
                imageName ?: return@forEach
                val target = downloadFolder.getChild(imageName)
                val source = cacheFolder.getChild(imageName)
                if (!source.exists())
                    return@forEach
                kotlin.runCatching {
                    if (!target.exists())
                        target.createNewFile()
                    target.outputStream()?.use { target -> target.channel.truncate(0L); source.inputStream()?.use { source ->
                        source.copyTo(target)
                    } }
                }
            }
            cacheFolder.deleteRecursively()
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt
@@ -1,128 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util.downloader
 import android.content.Context
 import android.content.ContextWrapper
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import okhttp3.Call
 import xyz.quaver.io.FileX
 import xyz.quaver.io.util.*
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.services.DownloadService
 import xyz.quaver.pupil.util.Preferences
 import xyz.quaver.pupil.util.formatDownloadFolder
 class DownloadManager private constructor(context: Context) : ContextWrapper(context) {
    companion object {
        @Volatile private var instance: DownloadManager? = null
        fun getInstance(context: Context) =
            instance ?: synchronized(this) {
                instance ?: DownloadManager(context).also { instance = it }
            }
    }
    val defaultDownloadFolder = FileX(this, getExternalFilesDir(null)!!)
    val downloadFolder: FileX
        get() = {
            kotlin.runCatching {
                FileX(this, Preferences.get<String>("download_folder"))
            }.getOrElse {
                Preferences["download_folder"] = defaultDownloadFolder.uri.toString()
                defaultDownloadFolder
            }
        }.invoke()
    private var prevDownloadFolder: FileX? = null
    private var downloadFolderMapInstance: MutableMap<Int, String>? = null
    val downloadFolderMap: MutableMap<Int, String>
        @Synchronized
        get() {
            if (prevDownloadFolder != downloadFolder) {
                prevDownloadFolder = downloadFolder
                downloadFolderMapInstance = {
                    val file = downloadFolder.getChild(".download")
                    val data = if (file.exists())
                        kotlin.runCatching {
                            file.readText()?.let { Json.decodeFromString<MutableMap<Int, String>>(it) }
                        }.onFailure { file.delete() }.getOrNull()
                    else
                        null
                    data ?: {
                        file.createNewFile()
                        mutableMapOf<Int, String>()
                    }.invoke()
                }.invoke()
            }
            return downloadFolderMapInstance ?: mutableMapOf()
        }
    @Synchronized
    fun isDownloading(galleryID: Int): Boolean {
        val isThisGallery: (Call) -> Boolean = { !it.isCanceled && (it.request().tag() as? DownloadService.Tag)?.galleryID == galleryID }
        return downloadFolderMap.containsKey(galleryID)
                && client.dispatcher().let { it.queuedCalls().any(isThisGallery) || it.runningCalls().any(isThisGallery) }
    }
    @Synchronized
    fun getDownloadFolder(galleryID: Int): FileX? =
        downloadFolderMap[galleryID]?.let { downloadFolder.getChild(it) }
    fun addDownloadFolder(galleryID: Int) = CoroutineScope(Dispatchers.IO).launch {
        val name = Cache.getInstance(this@DownloadManager, galleryID).getGalleryBlock()
            ?.formatDownloadFolder() ?: return@launch
        val folder = downloadFolder.getChild(name)
        if (folder.exists()) return@launch
        folder.mkdir()
        downloadFolderMap[galleryID] = folder.name
        downloadFolder.getChild(".download").let { if (!it.exists()) it.createNewFile() }
        downloadFolder.getChild(".download").writeText(Json.encodeToString(downloadFolderMap))
    }
    @Synchronized
    fun deleteDownloadFolder(galleryID: Int) {
        downloadFolderMap[galleryID]?.let {
            kotlin.runCatching {
                downloadFolder.getChild(it).deleteRecursively()
                downloadFolderMap.remove(galleryID)
                downloadFolder.getChild(".download").let { if (!it.exists()) it.createNewFile() }
                downloadFolder.getChild(".download").writeText(Json.encodeToString(downloadFolderMap))
            }
        }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/file.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/file.kt
@@ -1,67 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.content.Context
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import xyz.quaver.pupil.histories
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import java.io.File
 val mutex = Mutex()
 fun cleanCache(context: Context) = CoroutineScope(Dispatchers.IO).launch {
    if (mutex.isLocked) return@launch
    mutex.withLock {
        val cacheFolder = File(context.cacheDir, "imageCache")
        val downloadManager = DownloadManager.getInstance(context)
        val limit = (Preferences.get<String>("cache_limit").toLongOrNull() ?: 0L)*1024*1024*1024
        if (limit == 0L) return@withLock
        val cacheSize = {
            var size = 0L
            cacheFolder.walk().forEach {
                size += it.length()
            }
            size
        }
        if (cacheSize.invoke() > limit)
            while (cacheSize.invoke() > limit/2) {
                val caches = cacheFolder.list() ?: return@withLock
                synchronized(histories) {
                    (histories.firstOrNull {
                        caches.contains(it.toString()) && !downloadManager.isDownloading(it)
                    } ?: return@withLock).let {
                        Cache.delete(context, it)
                    }
                }
            }
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/lock.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/lock.kt
@@ -1,124 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.content.Context
 import android.content.ContextWrapper
 import androidx.core.content.ContextCompat
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import java.io.File
 import java.security.MessageDigest
 fun hash(password: String): String {
    val bytes = password.toByteArray()
    val md = MessageDigest.getInstance("SHA-256")
    return md.digest(bytes).fold("") { str, it -> str + "%02x".format(it) }
 }
 // Ret1: SHA-256 Hash
 // Ret2: Hash salt
 fun hashWithSalt(password: String): Pair<String, String> {
    val salt = (0 until 12).map { source.random() }.joinToString()
    return Pair(hash(password+salt), salt)
 }
 const val source = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
@Serializable
 data class Lock(val type: Type, val hash: String, val salt: String) {
    enum class Type {
        PATTERN,
        PIN,
        PASSWORD
    }
    companion object {
        fun generate(type: Type, password: String): Lock {
            val (hash, salt) = hashWithSalt(password)
            return Lock(type, hash, salt)
        }
    }
    fun match(password: String): Boolean {
        return hash(password+salt) == hash
    }
 }
 class LockManager(base: Context): ContextWrapper(base) {
    var locks: ArrayList<Lock>? = null
    init {
        load()
    }
    private fun load() {
        val lock = File(ContextCompat.getDataDir(this), "lock.json")
        if (!lock.exists()) {
            lock.createNewFile()
            lock.writeText("[]")
        }
        locks = Json.decodeFromString(lock.readText())
    }
    private fun save() {
        val lock = File(ContextCompat.getDataDir(this), "lock.json")
        if (!lock.exists())
            lock.createNewFile()
        lock.writeText(Json.encodeToString(locks?.toList() ?: listOf()))
    }
    fun add(lock: Lock) {
        remove(lock.type)
        locks?.add(lock)
        save()
    }
    fun remove(type: Lock.Type) {
        locks?.removeAll { it.type == type }
        save()
    }
    fun check(password: String): Boolean? {
        return locks?.any {
            it.match(password)
        }
    }
    fun isEmpty(): Boolean {
        return locks.isNullOrEmpty()
    }
    fun isNotEmpty(): Boolean = !isEmpty()
    fun contains(type: Lock.Type): Boolean {
        return locks?.any { it.type == type } ?: false
    }
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/misc.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/misc.kt
@@ -1,138 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.annotation.SuppressLint
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.serialization.json.*
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import xyz.quaver.pupil.hitomi.GalleryBlock
 import xyz.quaver.pupil.hitomi.GalleryInfo
 import xyz.quaver.pupil.hitomi.getReferer
 import xyz.quaver.pupil.hitomi.imageUrlFromImage
 import java.util.*
 import kotlin.collections.ArrayList
@OptIn(ExperimentalStdlibApi::class)
 fun String.wordCapitalize() : String {
    val result = ArrayList<String>()
    @SuppressLint("DefaultLocale")
    for (word in this.split(" "))
        result.add(word.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.US) else it.toString() })
    return result.joinToString(" ")
 }
 private val suffix = listOf(
    "B",
    "kB",
    "MB",
    "GB",
    "TB" //really?
 )
 fun byteToString(byte: Long, precision : Int = 1) : String {
    var size = byte.toDouble(); var suffixIndex = 0
    while (size >= 1024) {
        size /= 1024
        suffixIndex++
    }
    return "%.${precision}f ${suffix[suffixIndex]}".format(size)
 }
 /**
 * Convert android generated ID to requestCode
 * to prevent java.lang.IllegalArgumentException: Can only use lower 16 bits for requestCode
 *
 * https://stackoverflow.com/questions/38072322/generate-16-bit-unique-ids-in-android-for-startactivityforresult
 */
 fun Int.normalizeID() = this.and(0xFFFF)
 fun OkHttpClient.Builder.proxyInfo(proxyInfo: ProxyInfo) = this.apply {
    proxy(proxyInfo.proxy())
    proxyInfo.authenticator()?.let {
        proxyAuthenticator(it)
    }
 }
 val formatMap = mapOf<String, GalleryBlock.() -> (String)>(
    "-id-" to { id.toString() },
    "-title-" to { title },
    "-artist-" to { artists.joinToString() }
    // TODO
 )
 /**
 * Formats download folder name with given Metadata
 */
 fun GalleryBlock.formatDownloadFolder(): String =
    Preferences["download_folder_name", "[-id-] -title-"].let {
        formatMap.entries.fold(it) { str, (k, v) ->
            str.replace(k, v.invoke(this), true)
        }
    }.replace(Regex("""[*\\|"?><:/]"""), "").ellipsize(127)
 fun GalleryBlock.formatDownloadFolderTest(format: String): String =
    format.let {
        formatMap.entries.fold(it) { str, (k, v) ->
            str.replace(k, v.invoke(this), true)
        }
    }.replace(Regex("""[*\\|"?><:/]"""), "").ellipsize(127)
 suspend fun GalleryInfo.getRequestBuilders(): List<Request.Builder> {
    val galleryID = this.id ?: 0
    val lowQuality = Preferences["low_quality", true]
    return this.files.map {
        Request.Builder()
            .url(
                runCatching {
                    imageUrlFromImage(galleryID, it, !lowQuality)
                }
                .onFailure {
                    FirebaseCrashlytics.getInstance().recordException(it)
                }
                .getOrDefault("https://a/")
            )
            .header("Referer", "https://hitomi.la/")
            .header("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36")
    }
 }
 fun String.ellipsize(n: Int): String =
    if (this.length > n)
        this.slice(0 until n) + "…"
    else
        this
 operator fun JsonElement.get(index: Int) =
    this.jsonArray[index]
 operator fun JsonElement.get(tag: String) =
    this.jsonObject[tag]
 fun JsonElement.getOrNull(tag: String) = kotlin.runCatching {
    this.jsonObject.getOrDefault(tag, null)
 }.getOrNull()
 val JsonElement.content
    get() = this.jsonPrimitive.contentOrNull
--- a/app/src/main/java/xyz/quaver/pupil/util/proxy.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/proxy.kt
@@ -1,58 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.content.Context
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import okhttp3.Authenticator
 import okhttp3.Credentials
 import java.net.InetSocketAddress
 import java.net.Proxy
@Serializable
 data class ProxyInfo(
    val type: Proxy.Type,
    val host: String? = null,
    val port: Int? = null,
    val username: String? = null,
    val password: String? = null
 ) {
    fun proxy() : Proxy {
        return if (host.isNullOrBlank() || port == null)
            return Proxy.NO_PROXY
        else
            Proxy(type, InetSocketAddress.createUnresolved(host, port))
    }
    fun authenticator(): Authenticator? = if (username.isNullOrBlank() || password.isNullOrBlank()) null else
            Authenticator { _, response ->
                val credential = Credentials.basic(username, password)
                response.request().newBuilder()
                    .header("Proxy-Authorization", credential)
                    .build()
            }
 }
 fun getProxyInfo(): ProxyInfo =
    Json.decodeFromString(Preferences["proxy", Json.encodeToString(ProxyInfo(Proxy.Type.DIRECT))])
--- a/app/src/main/java/xyz/quaver/pupil/util/translation.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/translation.kt
@@ -1,68 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2020  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.jsonArray
 import kotlinx.serialization.json.jsonPrimitive
 import okhttp3.Request
 import xyz.quaver.pupil.client
 import java.io.IOException
 import java.util.*
 private val filesURL = "https://api.github.com/repos/tom5079/Pupil/git/trees/tags"
 private val contentURL = "https://raw.githubusercontent.com/tom5079/Pupil/tags/"
 var translations: Map<String, String> = run {
    updateTranslations()
    emptyMap()
 }
    private set
@Suppress("BlockingMethodInNonBlockingContext")
 fun updateTranslations() = CoroutineScope(Dispatchers.IO).launch {
    translations = emptyMap()
    kotlin.runCatching {
        translations = Json.decodeFromString<Map<String, String>>(client.newCall(
            Request.Builder()
                .url(contentURL + "${Preferences["tag_translation", ""].let { if (it.isEmpty()) Locale.getDefault().language else it }}.json")
                .build()
        ).execute().also { if (it.code() != 200) return@launch }.body()?.use { it.string() } ?: return@launch).filterValues { it.isNotEmpty() }
    }
 }
 fun getAvailableLanguages(): List<String> {
    val languages = Locale.getISOLanguages()
    val json = Json.parseToJsonElement(client.newCall(
        Request.Builder()
            .url(filesURL)
            .build()
    ).execute().also { if (it.code() != 200) throw IOException() }.body()?.use { it.string() } ?: return emptyList())
    return listOf("en") + (json["tree"]?.jsonArray?.mapNotNull {
        val name = it["path"]?.jsonPrimitive?.content?.takeWhile { c -> c != '.' }
        languages.firstOrNull { code -> code.equals(name, ignoreCase = true) }
    } ?: emptyList())
 }
--- a/app/src/main/java/xyz/quaver/pupil/util/update.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/update.kt
@@ -1,201 +0,0 @@
 /*
 *     Pupil, Hitomi.la viewer for Android
 *     Copyright (C) 2019  tom5079
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 package xyz.quaver.pupil.util
 import android.app.DownloadManager
 import android.content.Context
 import android.net.Uri
 import android.webkit.URLUtil
 import androidx.appcompat.app.AlertDialog
 import androidx.preference.PreferenceManager
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.*
 import okhttp3.Call
 import okhttp3.Callback
 import okhttp3.Request
 import okhttp3.Response
 import ru.noties.markwon.Markwon
 import xyz.quaver.pupil.BuildConfig
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.favorites
 import java.io.File
 import java.io.IOException
 import java.net.URL
 import java.util.*
 fun getReleases(url: String) : JsonArray {
    return try {
        URL(url).readText().let {
            Json.parseToJsonElement(it).jsonArray
        }
    } catch (e: Exception) {
        JsonArray(emptyList())
    }
 }
 fun checkUpdate(url: String) : JsonObject? {
    val releases = getReleases(url)
    if (releases.isEmpty())
        return null
    return releases.firstOrNull {
        Preferences["beta"] || it.jsonObject["prerelease"]?.jsonPrimitive?.booleanOrNull == false
    }?.let {
        if (it.jsonObject["tag_name"]?.jsonPrimitive?.contentOrNull == BuildConfig.VERSION_NAME)
            null
        else
            it.jsonObject
    }
 }
 fun getApkUrl(releases: JsonObject) : String? {
    return releases["assets"]?.jsonArray?.firstOrNull {
        Regex("Pupil-v.+\\.apk").matches(it.jsonObject["name"]?.jsonPrimitive?.contentOrNull ?: "")
    }.let {
        it?.jsonObject?.get("browser_download_url")?.jsonPrimitive?.contentOrNull
    }
 }
 fun checkUpdate(context: Context, force: Boolean = false) {
    val preferences = PreferenceManager.getDefaultSharedPreferences(context)
    val ignoreUpdateUntil = preferences.getLong("ignore_update_until", 0)
    if (!force && ignoreUpdateUntil > System.currentTimeMillis())
        return
    fun extractReleaseNote(update: JsonObject, locale: Locale) : String {
        val markdown = update["body"]!!.jsonPrimitive.content
        val target = when(locale.language) {
            "ko" -> "한국어"
            "ja" -> "日本語"
            else -> "English"
        }
        val releaseNote = Regex("^# Release Note.+$")
        val language = Regex("^## $target$")
        val end = Regex("^#.+$")
        var releaseNoteFlag = false
        var languageFlag = false
        val result = StringBuilder()
        for(line in markdown.lines()) {
            if (releaseNote.matches(line)) {
                releaseNoteFlag = true
                continue
            }
            if (releaseNoteFlag) {
                if (language.matches(line)) {
                    languageFlag = true
                    continue
                }
            }
            if (languageFlag) {
                if (end.matches(line))
                    break
                result.append(line+"\n")
            }
        }
        return context.getString(R.string.update_release_note, update["tag_name"]?.jsonPrimitive?.contentOrNull, result.toString())
    }
    CoroutineScope(Dispatchers.Default).launch {
        val update =
            checkUpdate(context.getString(R.string.release_url)) ?: return@launch
        val url = getApkUrl(update) ?: return@launch
        val dialog = AlertDialog.Builder(context).apply {
            setTitle(R.string.update_title)
            val msg = extractReleaseNote(update, Locale.getDefault())
            setMessage(Markwon.create(context).toMarkdown(msg))
            setPositiveButton(android.R.string.ok) { _, _ ->
                val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
                //Cancel any download queued before
                val id: Long = Preferences["update_download_id"]
                if (id != -1L)
                    downloadManager.remove(id)
                val target = File(context.getExternalFilesDir(null), "Pupil.apk").also {
                    it.delete()
                }
                val request = DownloadManager.Request(Uri.parse(url))
                    .setTitle(context.getText(R.string.update_notification_description))
                    .setDestinationUri(Uri.fromFile(target))
                downloadManager.enqueue(request).also {
                    Preferences["update_download_id"] = it
                }
            }
            setNegativeButton(if (force) android.R.string.cancel else R.string.ignore) { _, _ ->
                if (!force)
                    preferences.edit()
                        .putLong("ignore_update_until", System.currentTimeMillis() + 604800000)
                        .apply()
            }
        }
        launch(Dispatchers.Main) {
            dialog.show()
        }
    }
 }
 fun restore(url: String, onFailure: ((Throwable) -> Unit)? = null, onSuccess: ((List<Int>) -> Unit)? = null) {
    if (!URLUtil.isValidUrl(url)) {
        onFailure?.invoke(IllegalArgumentException())
        return
    }
    val request = Request.Builder()
        .url(url)
        .get()
        .build()
    client.newCall(request).enqueue(object: Callback {
        override fun onFailure(call: Call, e: IOException) {
            onFailure?.invoke(e)
        }
        override fun onResponse(call: Call, response: Response) {
            kotlin.runCatching {
                Json.decodeFromString<List<Int>>(response.also { if (it.code() != 200) throw IOException() }.body().use { it?.string() } ?: "[]").let {
                    favorites.addAll(it)
                    onSuccess?.invoke(it)
                }
            }.onFailure { onFailure?.invoke(it) }
        }
    })
 }
--- a/app/src/main/res/anim/shake.xml
+++ b/app/src/main/res/anim/shake.xml
@@ -1,24 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
  ~     Pupil, Hitomi.la viewer for Android
  ~     Copyright (C) 2020  tom5079
  ~
  ~     This program is free software: you can redistribute it and/or modify
  ~     it under the terms of the GNU General Public License as published by
  ~     the Free Software Foundation, either version 3 of the License, or
  ~     (at your option) any later version.
  ~
  ~     This program is distributed in the hope that it will be useful,
  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  ~     GNU General Public License for more details.
  ~
  ~     You should have received a copy of the GNU General Public License
  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->
 <translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="300"
    android:fromXDelta="0"
    android:interpolator="@anim/shake_cycle"
    android:toXDelta="10" />
--- a/app/src/main/res/anim/shake_cycle.xml
+++ b/app/src/main/res/anim/shake_cycle.xml
@@ -1,21 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
  ~     Pupil, Hitomi.la viewer for Android
  ~     Copyright (C) 2020  tom5079
  ~
  ~     This program is free software: you can redistribute it and/or modify
  ~     it under the terms of the GNU General Public License as published by
  ~     the Free Software Foundation, either version 3 of the License, or
  ~     (at your option) any later version.
  ~
  ~     This program is distributed in the hope that it will be useful,
  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  ~     GNU General Public License for more details.
  ~
  ~     You should have received a copy of the GNU General Public License
  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->
 <cycleInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
    android:cycles="3" />
--- a/app/src/main/res/color/lock_fab.xml
+++ b/app/src/main/res/color/lock_fab.xml
@@ -1,23 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
  ~     Pupil, Hitomi.la viewer for Android
  ~     Copyright (C) 2020  tom5079
  ~
  ~     This program is free software: you can redistribute it and/or modify
  ~     it under the terms of the GNU General Public License as published by
  ~     the Free Software Foundation, either version 3 of the License, or
  ~     (at your option) any later version.
  ~
  ~     This program is distributed in the hope that it will be useful,
  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  ~     GNU General Public License for more details.
  ~
  ~     You should have received a copy of the GNU General Public License
  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false" android:color="@android:color/darker_gray"/>
    <item android:color="@color/colorPrimary"/>
 </selector>
--- a/app/src/main/res/drawable-hdpi/ic_email.png
+++ b/app/src/main/res/drawable-hdpi/ic_email.png
--- a/app/src/main/res/drawable-hdpi/ic_fullscreen.png
+++ b/app/src/main/res/drawable-hdpi/ic_fullscreen.png
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
tom5079	5f79c11303	tag suggestion	2025-03-09 12:09:33 -07:00
tom5079	a9cd3db27e	prevent adding two empty tags	2025-03-08 15:34:25 -08:00
tom5079	47d96a6ba9	dependency update	2025-03-08 15:27:57 -08:00
tom5079	3ee5e683f4	fix	2025-03-08 15:16:58 -08:00
tom5079	71e8cebff4	wip	2024-11-18 19:29:51 -08:00
tom5079	fd3f1454c5	fixed tag overflow, detail page padding	2024-07-02 11:43:24 -07:00
tom5079	4028739e70	complete migration to compose	2024-07-01 11:20:53 -07:00
tom5079	067a263336	wip	2024-04-06 18:08:22 -07:00
tom5079	62948abf75	Basic Navigation	2024-03-27 00:21:16 -07:00
tom5079	e8ba5c4881	Fix oom	2024-03-24 22:56:24 -07:00
tom5079	e648b6dfee	DetailedGalleryInfo card	2024-03-24 17:50:31 -07:00
tom5079	d1381b8700	DetailedGalleryInfo card	2024-03-24 11:54:54 -07:00
tom5079	f8df28311e	Fix Certificate	2024-03-24 00:21:03 -07:00
tom5079	59afa04744	Search bar offset / GalleryInfo card	2024-03-23 23:46:33 -07:00
tom5079	7a5c3ae2ed	Paging	2024-03-20 19:28:27 -07:00
tom5079	9e9a5998cd	Search	2024-03-17 15:02:35 -07:00
tom5079	f34876ca93	add room dependency	2024-03-04 19:45:59 -08:00
tom5079	48752a323f	Dependency update, tag suggestion	2024-03-04 19:22:22 -08:00
tom5079	ab3e6466d5	Autofocus, Inset handling	2024-03-03 22:18:26 -08:00
tom5079	419c8fc644	Tag editor	2024-03-03 12:30:23 -08:00
tom5079	69078ac42e	Suggestion	2024-03-02 17:51:18 -08:00
tom5079	91b6baaf1c	Better icon / Black query	2024-03-02 17:11:44 -08:00
tom5079	3f3774a0cd	QueryEditor	2024-03-02 15:56:27 -08:00
tom5079	efc40ce458	queryeditor wip	2024-02-25 23:27:23 -08:00
tom5079	39b8bbc725	Search bar skeleton	2024-02-24 10:24:36 -08:00
tom5079	b0fedd78fb	Navigation bars	2024-02-20 11:52:52 -08:00
tom5079	72b0fa78bb	Migrated networking to ktor	2024-02-19 23:19:29 -08:00
tom5079	114158cf73	fix backup file selection, support hasha link	2024-01-15 19:01:30 -08:00
tom5079	6d108dd7ff	fix backup, notification for android 33+	2024-01-14 14:30:17 -08:00
tom5079	f36b7f1dbe	Update README.md	2022-07-20 09:05:47 -07:00
tom5079	0a22ebd8e9	Merge remote-tracking branch 'origin/master'	2022-07-20 09:04:35 -07:00
tom5079	3682eeaf94	Fix image not retrying	2022-07-20 09:04:23 -07:00
tom5079	7df2ae4ba7	Update README.md	2022-07-19 20:31:42 -07:00
tom5079	c9519ec681	Fix image not retrying	2022-07-19 20:29:39 -07:00
tom5079	b146ed684d	Fix app crashing when recovering metadata is corrupt	2022-05-31 08:06:48 +09:00
tom5079	d2787c36d7	Update README.md	2022-04-24 20:39:17 +09:00
tom5079	3ff663114a	5.3.7	2022-04-24 20:39:01 +09:00
tom5079	573e62f310	5.3.7	2022-04-24 20:36:56 +09:00
tom5079	f9af670b82	Update README.md	2022-04-24 20:21:41 +09:00
tom5079	bf461475c6	Merge remote-tracking branch 'origin/master'	2022-04-24 20:20:55 +09:00
tom5079	bdea6e0cc1	Use System.currentTimeMillis() instead of Instant	2022-04-24 20:20:45 +09:00
tom5079	57f0ec4e5d	Update README.md	2022-04-24 18:44:10 +09:00
tom5079	d663092363	v5.3.5	2022-04-24 18:27:56 +09:00
tom5079	edf6188e36	Merge pull request #126 from tom5079/Pupil-116 Pupil 116 Favorite tag backup	2022-04-24 18:08:13 +09:00
tom5079	f3f3395e68	Merge pull request #128 from tom5079/Pupil-127 Pupil-127 Use gg.js directly	2022-04-24 18:08:04 +09:00
tom5079	ac9dc347e3	Pupil-127 Use gg.js directly	2022-04-22 16:39:13 +09:00
tom5079	8721d85946	Show ProgressDrawable when backup	2022-04-21 17:41:06 +09:00
tom5079	a0bd1a8738	Pupil-116 Add favorite tags backup	2022-04-21 17:26:58 +09:00
tom5079	35fdf3e3b0	Update PreferenceFragments to comply with updated library	2022-04-21 16:49:13 +09:00
tom5079	aced8293f1	Dependency Update	2022-04-21 16:45:13 +09:00
tom5079	3f516faad8	AGP update	2022-04-21 16:42:34 +09:00
tom5079	824f7b9602	Merge remote-tracking branch 'origin/master'	2022-04-16 06:30:31 +09:00
tom5079	95aeeaa16f	updated .gitignore	2022-04-16 06:30:10 +09:00
tom5079	63f08f0230	Fixed Downloaded folder gets deleted when opened with no network	2022-03-25 16:48:38 +09:00
tom5079	3b241fe857	Delete watchdiff.yml	2022-02-02 06:38:50 +09:00
tom5079	75bc104f43	Update watchdiff.yml	2022-02-02 05:57:55 +09:00
tom5079	30afd56324	Update README.md	2022-02-01 19:11:55 +09:00
tom5079	5ee1bb11a0	Merge remote-tracking branch 'origin/master'	2022-02-01 19:11:25 +09:00
tom5079	c1de45abce	use webp by default	2022-02-01 19:10:54 +09:00
tom5079	8805033c8d	Update README.md	2022-02-01 17:47:46 +09:00
tom5079	0ed59bb8a9	Merge remote-tracking branch 'origin/master'	2022-02-01 17:46:44 +09:00
tom5079	8163f2fd28	Bug fix	2022-02-01 17:46:35 +09:00
tom5079	521a65c9d2	Update README.md	2022-02-01 17:37:50 +09:00
tom5079	eb98424668	Bug fix	2022-02-01 17:36:44 +09:00
tom5079	961c731743	Merge remote-tracking branch 'origin/master'	2022-02-01 11:45:54 +09:00
tom5079	5188769fb6	Fuck hitomi	2022-02-01 11:45:45 +09:00
tom5079	8f27d9e30f	Update README.md	2022-02-01 11:45:35 +09:00
tom5079	b58566999e	Update README.md	2022-02-01 11:40:23 +09:00
tom5079	117d6dcd2b	Fuck hitomi	2022-02-01 11:39:26 +09:00
tom5079	2608796929	Remove dumb code	2022-01-31 13:28:31 +09:00
tom5079	792f5b5a7f	Fixed downloading after revisiting cached manga	2022-01-31 13:27:23 +09:00
tom5079	a77b1db749	Merge remote-tracking branch 'origin/master'	2022-01-31 13:18:28 +09:00
tom5079	9d984d92af	Fixed downloading after revisiting cached manga	2022-01-31 13:17:44 +09:00
tom5079	e303f25991	Update README.md	2022-01-31 11:10:02 +09:00
tom5079	85973d2305	Merge remote-tracking branch 'origin/master'	2022-01-31 11:05:05 +09:00
tom5079	13f8d7b747	Added download database recovery	2022-01-31 11:04:52 +09:00
tom5079	e198860edb	Update README.md	2022-01-31 07:39:58 +09:00
tom5079	fc8355467b	Fixed autoupdate for Android 5 and 6	2022-01-31 01:46:22 +09:00
tom5079	67abc15442	Merge remote-tracking branch 'origin/master'	2022-01-31 01:03:26 +09:00
tom5079	e94cddb86a	Hitomi is stupid enough to block user agent for chrome... holy shit Added self-test and reload Reduced update ignoring time to 1d from 1w	2022-01-31 01:02:47 +09:00
tom5079	700f7a33a5	Update README.md	2022-01-25 05:00:04 +09:00