Merge pull request #101 from tom5079/dev

Version 4.18.3

.idea/codeStyles/Project.xml

@@ -1,9 +1,6 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
     <option name="RIGHT_MARGIN" value="120" />
-    <AndroidXmlCodeStyleSettings>
-      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
-    </AndroidXmlCodeStyleSettings>
     <JetCodeStyleSettings>
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>

.idea/gradle.xml

@@ -1,8 +1,10 @@
 <?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="PLATFORM" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="modules">

README.md

@@ -3,6 +3,8 @@
 ![Banner](https://github.com/tom5079/Pupil/blob/gh-pages/assets/images/pupil-banner.png?raw=true)
 *Pupil, Hitomi.la viewer for Android*  
 
+[![](https://discordapp.com/api/guilds/610452916612104194/embed.png?style=banner2)](https://discord.gg/Stj4b5v)  
+
 # Screenshot
 ![Main Screen](https://github.com/tom5079/Pupil/blob/gh-pages/assets/images/main-screenshot.png?raw=true)
 *Main Screen*

app/build.gradle

@@ -4,10 +4,10 @@ apply plugin: 'kotlin-kapt'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlinx-serialization'
 
-if (file("google-services.json").exists()) {
+if (file("google-services.json").exists() && file("src/debug/google-services.json").exists()) {
     logger.lifecycle("Firebase Enabled")
     apply plugin: 'com.google.gms.google-services'
-    apply plugin: 'io.fabric'
+    apply plugin: 'com.google.firebase.crashlytics'
     apply plugin: 'com.google.firebase.firebase-perf'
 } else {
     logger.lifecycle("Firebase Disabled")
@@ -19,19 +19,24 @@ android {
         applicationId "xyz.quaver.pupil"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 41
+        versionCode 56
-        versionName "4.5"
+        versionName "4.18.3"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
         vectorDrawables.useSupportLibrary = true
     }
     buildTypes {
-        release {
+        debug {
-            minifyEnabled false
+            debuggable true
+            applicationIdSuffix ".debug"
+            versionNameSuffix "-DEBUG"
+
+            buildConfigField('Boolean', 'CENSOR', 'false')
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
-        buildTypes.each {
+        release {
-            it.buildConfigField('boolean', 'CENSOR', 'false')
+            buildConfigField('Boolean', 'CENSOR', 'false')
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
     kotlinOptions {
@@ -41,42 +46,42 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    buildToolsVersion = '29.0.2'
+    buildToolsVersion = '29.0.3'
 }
 
 dependencies {
-    def markwonVersion = "3.0.1"
+    def markwonVersion = '3.1.0'
 
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7"
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.7"
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.3'
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.20.0"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.14.0"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.gridlayout:gridlayout:1.0.0'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation "androidx.biometric:biometric:1.0.1"
-    implementation 'com.android.support:multidex:1.0.3'
+    implementation 'androidx.multidex:multidex:2.0.1'
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
-    implementation 'com.google.android.material:material:1.2.0-alpha04'
+    implementation 'com.google.android.material:material:1.3.0-alpha01'
-    implementation 'com.google.firebase:firebase-core:17.2.2'
+    implementation 'com.google.firebase:firebase-core:17.4.4'
-    implementation 'com.google.firebase:firebase-perf:19.0.5'
+    implementation 'com.google.firebase:firebase-analytics:17.4.4'
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
+    implementation 'com.google.firebase:firebase-crashlytics:17.1.1'
+    implementation 'com.google.firebase:firebase-perf:19.0.7'
     implementation 'com.github.arimorty:floatingsearchview:2.1.1'
     implementation 'com.github.clans:fab:1.6.4'
     implementation 'com.github.bumptech.glide:glide:4.11.0'
-    implementation ("com.github.bumptech.glide:recyclerview-integration:4.10.0") {
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
+    kapt 'com.github.bumptech.glide:compiler:4.11.0'
+    implementation ("com.github.bumptech.glide:recyclerview-integration:4.11.0") {
         transitive = false
     }
+    implementation 'net.rdrei.android.dirchooser:library:3.2@aar'
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
     implementation 'com.andrognito.patternlockview:patternlockview:1.0.0'
+    //implementation 'com.andrognito.pinlockview:pinlockview:2.1.0'
     implementation "ru.noties.markwon:core:${markwonVersion}"
-    kapt 'com.github.bumptech.glide:compiler:4.11.0'
     testImplementation 'junit:junit:4.13'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test:rules:1.2.0'

app/proguard-rules.pro

@@ -19,3 +19,20 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-dontobfuscate
+
+-keep public class * implements com.bumptech.glide.module.GlideModule
+-keep class * extends com.bumptech.glide.module.AppGlideModule {
+ <init>(...);
+}
+-keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
+  **[] $VALUES;
+  public *;
+}
+-keep class com.bumptech.glide.load.data.ParcelFileDescriptorRewinder$InternalRewinder {
+  *** rewind();
+}
+
+-keep public class * extends com.bumptech.glide.module.AppGlideModule
+-keep class com.bumptech.glide.GeneratedAppGlideModuleImpl

app/release/output.json

@@ -1 +1,20 @@
-[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":41,"versionName":"4.5","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
+{
+  "version": 1,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "xyz.quaver.pupil",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "properties": [],
+      "versionCode": 56,
+      "versionName": "56",
+      "enabled": true,
+      "outputFile": "app-release.apk"
+    }
+  ]
+}

app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt

@@ -28,6 +28,7 @@ import androidx.test.rule.ActivityTestRule
 import kotlinx.coroutines.runBlocking
 import org.junit.Test
 import org.junit.runner.RunWith
+import xyz.quaver.hitomi.getGalleryIDsFromNozomi
 import xyz.quaver.hiyobi.cookie
 import xyz.quaver.hiyobi.createImgList
 import xyz.quaver.hiyobi.getReader
@@ -62,6 +63,13 @@ class ExampleInstrumentedTest {
         }
     }
 
+    @Test
+    fun test_nozomi() {
+        val nozomi = getGalleryIDsFromNozomi(null, "index", "all")
+
+        Log.i("PUPILD", nozomi.size.toString())
+    }
+
     @Test
     fun test_doSearch() {
         val reader = getReader( 1426382)
@@ -91,7 +99,7 @@ class ExampleInstrumentedTest {
         while(worker.progress.indexOfKey(galleryID) < 0 || worker.progress[galleryID] != null) {
             Log.i("PUPILD", worker.progress[galleryID]?.joinToString(" ") ?: "null")
 
-            if (worker.progress[galleryID]?.all { !it.isFinite() } == true)
+            if (worker.progress[galleryID]?.all { it.isInfinite() } == true)
                 break
         }
 
@@ -105,9 +113,9 @@ class ExampleInstrumentedTest {
         val galleryID = 1561552
 
         runBlocking {
-            Log.i("PUPILD", Cache(context).getReader(galleryID)?.title ?: "null")
+            Log.i("PUPILD", Cache(context).getReader(galleryID)?.galleryInfo?.title ?: "null")
         }
 
-        Log.i("PUPILD", Cache(context).getReaderOrNull(galleryID)?.title ?: "null")
+        Log.i("PUPILD", Cache(context).getReaderOrNull(galleryID)?.galleryInfo?.title ?: "null")
     }
 }

app/src/debug/res/values/strings.xml

@@ -0,0 +1,22 @@
+<?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/>.
+  -->
+
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="app_name" translatable="false" tools:override="true">Pupil-Debug</string>
+</resources>

app/src/main/AndroidManifest.xml

@@ -6,8 +6,10 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
-    <uses-permission
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-        android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+
 
     <application
         android:name=".Pupil"
@@ -18,7 +20,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
-        tools:replace="android:theme">
+        tools:replace="android:theme"
+        android:requestLegacyExternalStorage="true"
+        tools:ignore="UnusedAttribute">
 
         <provider
             android:authorities="${applicationId}.provider"
@@ -32,6 +36,12 @@
 
         </provider>
 
+        <receiver android:name=".BroadcastReciever" 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"
@@ -43,6 +53,61 @@
                 <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"
@@ -54,6 +119,61 @@
                 <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"
@@ -68,17 +188,6 @@
                 <data
                     android:host="e-hentai.org"
                     android:pathPrefix="/g"
-                    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="/galleries"
                     android:scheme="http" />
             </intent-filter>
             <intent-filter>
@@ -87,21 +196,10 @@
                 <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="e-hentai.org"
                     android:pathPrefix="/g"
-                    android:scheme="http" />
+                    android:scheme="https" />
             </intent-filter>
         </activity>
         <activity

app/src/main/java/com/arlib/floatingsearchview/FloatingSearchViewDayNight.kt

@@ -0,0 +1,35 @@
+/*
+ *     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 com.arlib.floatingsearchview
+
+import android.content.Context
+import android.os.Parcelable
+import android.util.AttributeSet
+
+class FloatingSearchViewDayNight @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null)
+    : FloatingSearchView(context, attrs) {
+
+    // hack to remove color attributes which should not be reused
+    override fun onSaveInstanceState(): Parcelable? {
+        super.onSaveInstanceState()
+        return null
+    }
+}

app/src/main/java/xyz/quaver/pupil/BroadcastReciever.kt

@@ -0,0 +1,103 @@
+/*
+ *     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
+
+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.webkit.MimeTypeMap
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.FileProvider
+import androidx.preference.PreferenceManager
+import xyz.quaver.pupil.util.NOTIFICATION_ID_UPDATE
+import xyz.quaver.pupil.util.cancelImport
+import java.io.File
+
+class BroadcastReciever : BroadcastReceiver() {
+
+    companion object {
+        const val ACTION_CANCEL_IMPORT = "ACTION_CANCEL_IMPORT"
+
+        const val EXTRA_IMPORT_NOTIFICATION_ID = "EXTRA_IMPORT_NOTIFICATION_ID"
+    }
+
+    override fun onReceive(context: Context?, intent: Intent?) {
+        context ?: return
+
+        when (intent?.action) {
+            DownloadManager.ACTION_DOWNLOAD_COMPLETE -> {
+
+                // Validate download
+
+                val preference = PreferenceManager.getDefaultSharedPreferences(context)
+                val downloadID = preference.getLong("update_download_id", -1)
+                val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+
+                if (intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1) != downloadID)
+                    return
+
+                // Get target uri
+
+                val query = DownloadManager.Query()
+                    .setFilterById(downloadID)
+
+                val uri = downloadManager.query(query).use { cursor ->
+                    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 -> 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"))
+                }, 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(NOTIFICATION_ID_UPDATE, notification)
+            }
+            ACTION_CANCEL_IMPORT -> {
+                cancelImport = true
+            }
+        }
+    }
+
+}

app/src/main/java/xyz/quaver/pupil/Pupil.kt

@@ -30,8 +30,13 @@ import androidx.preference.PreferenceManager
 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.analytics.FirebaseAnalytics
+import com.google.firebase.crashlytics.FirebaseCrashlytics
+import xyz.quaver.proxy
 import xyz.quaver.pupil.util.Histories
+import xyz.quaver.pupil.util.getProxy
 import java.io.File
+import java.util.*
 
 class Pupil : MultiDexApplication() {
 
@@ -45,8 +50,23 @@ class Pupil : MultiDexApplication() {
     override fun onCreate() {
         val preference = PreferenceManager.getDefaultSharedPreferences(this)
 
+        val userID =
+            if (preference.getString("user_id", "").isNullOrEmpty()) {
+                UUID.randomUUID().toString().also {
+                    preference.edit().putString("user_id", it).apply()
+                }
+            } else
+                preference.getString("user_id", "") ?: ""
+
+        FirebaseCrashlytics.getInstance().setUserId(userID)
+
+        proxy = getProxy(this)
+
         try {
-            PreferenceManager.getDefaultSharedPreferences(this).getInt("dl_location", 0)
+            preference.getString("dl_location", null).also {
+                if (!File(it!!).canWrite())
+                    throw Exception()
+            }
         } catch (e: Exception) {
             preference.edit().remove("dl_location").apply()
         }
@@ -54,10 +74,8 @@ class Pupil : MultiDexApplication() {
         histories = Histories(File(ContextCompat.getDataDir(this), "histories.json"))
         favorites = Histories(File(ContextCompat.getDataDir(this), "favorites.json"))
 
-        val file = preference.getString("dl_location", null)
+        if (BuildConfig.DEBUG)
-
+            FirebaseAnalytics.getInstance(this).setAnalyticsCollectionEnabled(false)
-        if (file?.startsWith("content") == true)
-            preference.edit().remove("dl_location").apply()
 
         try {
             ProviderInstaller.installIfNeeded(this)
@@ -69,13 +87,27 @@ class Pupil : MultiDexApplication() {
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
-            val channel = NotificationChannel("download", getString(R.string.channel_download), NotificationManager.IMPORTANCE_MIN).apply {
+
+            manager.createNotificationChannel(NotificationChannel("download", getString(R.string.channel_download), NotificationManager.IMPORTANCE_LOW).apply {
                 description = getString(R.string.channel_download_description)
                 enableLights(false)
                 enableVibration(false)
                 lockscreenVisibility = Notification.VISIBILITY_SECRET
-            }
+            })
-            manager.createNotificationChannel(channel)
+
+            manager.createNotificationChannel(NotificationChannel("update", getString(R.string.channel_update), NotificationManager.IMPORTANCE_HIGH).apply {
+                description = getString(R.string.channel_update_description)
+                enableLights(true)
+                enableVibration(true)
+                lockscreenVisibility = Notification.VISIBILITY_SECRET
+            })
+
+            manager.createNotificationChannel(NotificationChannel("import", getString(R.string.channel_update), NotificationManager.IMPORTANCE_HIGH).apply {
+                description = getString(R.string.channel_update_description)
+                enableLights(false)
+                enableVibration(false)
+                lockscreenVisibility = Notification.VISIBILITY_SECRET
+            })
         }
 
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)

app/src/main/java/xyz/quaver/pupil/adapters/GalleryBlockAdapter.kt

@@ -28,11 +28,12 @@ import android.view.ViewGroup
 import android.widget.LinearLayout
 import androidx.cardview.widget.CardView
 import androidx.core.content.ContextCompat
+import androidx.preference.PreferenceManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.CircularProgressDrawable
 import androidx.vectordrawable.graphics.drawable.Animatable2Compat
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
-import com.bumptech.glide.Glide
+import com.bumptech.glide.RequestManager
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.daimajia.swipe.SwipeLayout
 import com.daimajia.swipe.adapters.RecyclerSwipeAdapter
@@ -42,20 +43,21 @@ import kotlinx.android.synthetic.main.item_galleryblock.view.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import xyz.quaver.hitomi.GalleryBlock
+import xyz.quaver.hitomi.getReader
 import xyz.quaver.pupil.BuildConfig
 import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.util.Histories
 import xyz.quaver.pupil.util.download.Cache
-import xyz.quaver.pupil.util.download.DownloadWorker
 import xyz.quaver.pupil.util.wordCapitalize
 import java.util.*
 import kotlin.collections.ArrayList
 import kotlin.concurrent.schedule
 
-class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryBlock>) : RecyclerSwipeAdapter<RecyclerView.ViewHolder>(), SwipeAdapterInterface {
+class GalleryBlockAdapter(private val glide: RequestManager, private val galleries: List<GalleryBlock>) : RecyclerSwipeAdapter<RecyclerView.ViewHolder>(), SwipeAdapterInterface {
 
     enum class ViewType {
         NEXT,
@@ -63,34 +65,32 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
         PREV
     }
 
-    private val glide = Glide.with(context)
     private lateinit var favorites: Histories
 
     val timer = Timer()
 
+    var isThin = false
+
     inner class GalleryViewHolder(val view: View) : RecyclerView.ViewHolder(view) {
         var timerTask: TimerTask? = null
 
-        private fun updateProgress(context: Context, galleryID: Int) = CoroutineScope(Dispatchers.IO).launch {
+        private fun updateProgress(context: Context, galleryID: Int) {
-            val cache = Cache(context).getCachedGallery(galleryID)
             val reader = Cache(context).getReaderOrNull(galleryID)
 
-            launch(Dispatchers.Main) main@{
+            CoroutineScope(Dispatchers.Main).launch {
-                if (reader == null) {
+                if (reader == null || PreferenceManager.getDefaultSharedPreferences(context).getBoolean("cache_disable", false)) {
                     view.galleryblock_progressbar.visibility = View.GONE
                     view.galleryblock_progress_complete.visibility = View.GONE
-                    return@main
+                    return@launch
                 }
 
                 with(view.galleryblock_progressbar) {
 
-                    progress = cache.listFiles()?.count { file ->
+                    progress = Cache(context).getImages(galleryID)?.size ?: 0
-                        Regex("^[0-9]+.+\$").matches(file.name)
-                    } ?: 0
 
                     if (visibility == View.GONE) {
                         visibility = View.VISIBLE
-                        max = reader.galleryInfo.size
+                        max = reader.galleryInfo.files.size
                     }
 
                     if (progress == max) {
@@ -126,6 +126,10 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                 val artists = galleryBlock.artists
                 val series = galleryBlock.series
 
+                if (isThin)
+                    galleryblock_thumbnail.layoutParams.width = context.resources.getDimensionPixelSize(
+                        R.dimen.galleryblock_thumbnail_thin
+                    )
                 galleryblock_thumbnail.setImageDrawable(CircularProgressDrawable(context).also {
                     it.start()
                 })
@@ -138,6 +142,7 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                             null
                     }
 
+                    galleryblock_thumbnail.post {
                         glide
                             .load(thumbnail)
                             .skipMemoryCache(true)
@@ -149,6 +154,7 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                             }
                             .into(galleryblock_thumbnail)
                     }
+                }
 
                 //Check cache
                 val cache = Cache(context).getCachedGallery(galleryBlock.id)
@@ -160,7 +166,7 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                     } ?: 0
 
                     with(galleryblock_progressbar) {
-                        max = reader.galleryInfo.size
+                        max = reader.galleryInfo.files.size
                         progress = count
 
                         visibility = View.VISIBLE
@@ -215,12 +221,12 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                             "male" -> {
                                 setChipBackgroundColorResource(R.color.material_blue_700)
                                 setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                ContextCompat.getDrawable(context, R.drawable.ic_gender_male_white)
+                                ContextCompat.getDrawable(context, R.drawable.gender_male)
                             }
                             "female" -> {
                                 setChipBackgroundColorResource(R.color.material_pink_600)
                                 setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                ContextCompat.getDrawable(context, R.drawable.ic_gender_female_white)
+                                ContextCompat.getDrawable(context, R.drawable.gender_female)
                             }
                             else -> null
                         }
@@ -234,6 +240,15 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                 }
 
                 galleryblock_id.text = galleryBlock.id.toString()
+                galleryblock_pagecount.text = "-"
+                CoroutineScope(Dispatchers.IO).launch {
+                    val pageCount = kotlin.runCatching {
+                        getReader(galleryBlock.id).galleryInfo.files.size
+                    }.getOrNull() ?: return@launch
+                    withContext(Dispatchers.Main) {
+                        galleryblock_pagecount.text = context.getString(R.string.galleryblock_pagecount, pageCount)
+                    }
+                }
 
                 if (!::favorites.isInitialized)
                     favorites = (context.applicationContext as Pupil).favorites
@@ -264,6 +279,14 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                         }
                     }
                 }
+
+
+                // Make some views invisible to make it thinner
+                if (isThin) {
+                    galleryblock_language.visibility = View.GONE
+                    galleryblock_type.visibility = View.GONE
+                    galleryblock_tag_group.visibility = View.GONE
+                }
             }
         }
     }
@@ -341,10 +364,10 @@ class GalleryBlockAdapter(context: Context, private val galleries: List<GalleryB
                     mItemManger.closeAllExcept(layout)
 
                     holder.view.galleryblock_download.text =
-                        if (DownloadWorker.getInstance(holder.view.context).progress.indexOfKey(gallery.id) < 0)
+                        if (Cache(holder.view.context).isDownloading(gallery.id))
-                            holder.view.context.getString(R.string.main_download)
-                        else
                             holder.view.context.getString(android.R.string.cancel)
+                        else
+                            holder.view.context.getString(R.string.main_download)
                 }
 
                 override fun onClose(layout: SwipeLayout?) {}

app/src/main/java/xyz/quaver/pupil/adapters/MirrorAdapter.kt

@@ -18,6 +18,7 @@
 
 package xyz.quaver.pupil.adapters
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.view.LayoutInflater
 import android.view.MotionEvent
@@ -60,6 +61,7 @@ class MirrorAdapter(context: Context) : RecyclerView.Adapter<MirrorAdapter.ViewH
     var onStartDrag : ((ViewHolder) -> Unit)? = null
     var onItemMoved : ((List<String>) -> (Unit))? = null
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         with(holder.view) {
             mirror_name.text = mirrors[list.elementAt(position)]

app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt

@@ -18,91 +18,50 @@
 
 package xyz.quaver.pupil.adapters
 
-import android.content.Context
+import android.app.Activity
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.preference.PreferenceManager
 import androidx.recyclerview.widget.RecyclerView
-import com.bumptech.glide.Glide
+import com.bumptech.glide.RequestManager
-import com.bumptech.glide.ListPreloader
-import com.bumptech.glide.RequestBuilder
-import com.bumptech.glide.integration.recyclerview.RecyclerViewPreloader
 import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.crashlytics.android.Crashlytics
+import com.bumptech.glide.load.model.GlideUrl
-import io.fabric.sdk.android.Fabric
+import com.bumptech.glide.load.model.LazyHeaders
 import kotlinx.android.synthetic.main.item_reader.view.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import xyz.quaver.Code
 import xyz.quaver.hitomi.Reader
-import xyz.quaver.pupil.BuildConfig
+import xyz.quaver.hitomi.getReferer
+import xyz.quaver.hitomi.imageUrlFromImage
+import xyz.quaver.hiyobi.cookie
+import xyz.quaver.hiyobi.createImgList
+import xyz.quaver.hiyobi.user_agent
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.util.download.Cache
 import xyz.quaver.pupil.util.download.DownloadWorker
-import java.io.File
 import java.util.*
 import kotlin.concurrent.schedule
 import kotlin.math.roundToInt
 
-class ReaderAdapter(private val context: Context,
+class ReaderAdapter(private val glide: RequestManager,
-                    private val galleryID: Int) : RecyclerView.Adapter<ReaderAdapter.ViewHolder>() {
+                    private val galleryID: Int,
-
+                    private val activity: Activity) : RecyclerView.Adapter<ReaderAdapter.ViewHolder>() {
-    //region Glide.RecyclerView
-    inner class SizeProvider : ListPreloader.PreloadSizeProvider<File> {
-
-        override fun getPreloadSize(item: File, adapterPosition: Int, itemPosition: Int): IntArray? {
-            return Cache(context).getReaderOrNull(galleryID)?.galleryInfo?.getOrNull(itemPosition)?.let {
-                arrayOf(it.width, it.height).toIntArray()
-            }
-        }
-
-    }
-
-    inner class ModelProvider : ListPreloader.PreloadModelProvider<File> {
-
-        override fun getPreloadItems(position: Int): MutableList<File> {
-            return listOf(Cache(context).getImages(galleryID)?.get(position)).filterNotNullTo(mutableListOf())
-        }
-
-        override fun getPreloadRequestBuilder(item: File): RequestBuilder<*>? {
-            return glide
-                .load(item)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .skipMemoryCache(true)
-                .error(R.drawable.image_broken_variant)
-                .apply {
-                    if (BuildConfig.CENSOR)
-                        override(5, 8)
-                }
-        }
-
-    }
-    //endregion
 
     var reader: Reader? = null
-    val glide = Glide.with(context)
     val timer = Timer()
 
-    val sizeProvider = SizeProvider()
-    val modelProvider = ModelProvider()
-    val preloader = RecyclerViewPreloader<File>(glide, modelProvider, sizeProvider, 10)
-
     var isFullScreen = false
 
     var onItemClickListener : ((Int) -> (Unit))? = null
 
-    init {
-        CoroutineScope(Dispatchers.IO).launch {
-            reader = Cache(context).getReader(galleryID)
-            launch(Dispatchers.Main) {
-                notifyDataSetChanged()
-            }
-        }
-    }
-
     class ViewHolder(val view: View) : RecyclerView.ViewHolder(view)
 
+    var downloadWorker: DownloadWorker? = null
+
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         return LayoutInflater.from(parent.context).inflate(
             R.layout.item_reader, parent, false
@@ -114,10 +73,19 @@ class ReaderAdapter(private val context: Context,
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         holder.view as ConstraintLayout
 
-        if (isFullScreen)
+        if (downloadWorker == null)
+            downloadWorker = DownloadWorker.getInstance(holder.view.context)
+
+        if (isFullScreen) {
             holder.view.layoutParams.height = RecyclerView.LayoutParams.MATCH_PARENT
-        else
+            holder.view.container.layoutParams.height = ConstraintLayout.LayoutParams.MATCH_PARENT
+        } else {
             holder.view.layoutParams.height = RecyclerView.LayoutParams.WRAP_CONTENT
+            holder.view.container.layoutParams.height = 0
+
+            (holder.view.container.layoutParams as ConstraintLayout.LayoutParams)
+                .dimensionRatio = "W,${reader!!.galleryInfo.files[position].width}:${reader!!.galleryInfo.files[position].height}"
+        }
 
         holder.view.image.setOnPhotoTapListener { _, _, _ ->
             onItemClickListener?.invoke(position)
@@ -127,38 +95,59 @@ class ReaderAdapter(private val context: Context,
             onItemClickListener?.invoke(position)
         }
 
-        (holder.view.container.layoutParams as ConstraintLayout.LayoutParams)
-            .dimensionRatio = "${reader!!.galleryInfo[position].width}:${reader!!.galleryInfo[position].height}"
-
         holder.view.reader_index.text = (position+1).toString()
 
-        CoroutineScope(Dispatchers.IO).launch {
+        val preferences = PreferenceManager.getDefaultSharedPreferences(holder.view.context)
-            val images = Cache(context).getImages(galleryID)
+        if (preferences.getBoolean("cache_disable", false)) {
+            val lowQuality = preferences.getBoolean("low_quality", false)
 
-            launch(Dispatchers.Main) {
+            val url = when (reader!!.code) {
-                if (images?.get(position) != null) {
+                Code.HITOMI ->
+                    GlideUrl(
+                        imageUrlFromImage(
+                            galleryID,
+                            reader!!.galleryInfo.files[position],
+                            !lowQuality
+                        )
+                    , LazyHeaders.Builder().addHeader("Referer", getReferer(galleryID)).build())
+                Code.HIYOBI ->
+                    GlideUrl(createImgList(galleryID, reader!!, lowQuality)[position].path, LazyHeaders.Builder()
+                        .addHeader("User-Agent", user_agent)
+                        .addHeader("Cookie", cookie)
+                        .build())
+                else -> null
+            }
+            holder.view.image.post {
                 glide
-                        .load(images[position])
+                    .load(url!!)
+                    .diskCacheStrategy(DiskCacheStrategy.NONE)
+                    .skipMemoryCache(false)
+                    .fitCenter()
+                    .error(R.drawable.image_broken_variant)
+                    .into(holder.view.image)
+            }
+        } else {
+            val image = Cache(holder.view.context).getImage(galleryID, position)
+            val progress = downloadWorker!!.progress[galleryID]?.get(position)
+
+            if (progress?.isInfinite() == true && image != null) {
+                holder.view.reader_item_progressbar.visibility = View.INVISIBLE
+
+                holder.view.image.post {
+                    glide
+                        .load(image)
                         .diskCacheStrategy(DiskCacheStrategy.NONE)
                         .skipMemoryCache(true)
+                        .fitCenter()
                         .error(R.drawable.image_broken_variant)
-                        .apply {
+                        .into(holder.view.image)
-                            if (BuildConfig.CENSOR)
-                                override(5, 8)
                 }
-                        .into(holder.view.image)
+
             } else {
-                    val progress = DownloadWorker.getInstance(context).progress[galleryID]?.get(position)
+                holder.view.reader_item_progressbar.visibility = View.VISIBLE
 
-                    if (progress?.isNaN() == true) {
+                glide.clear(holder.view.image)
 
-                        if (Fabric.isInitialized())
-                            Crashlytics.logException(DownloadWorker.getInstance(context).exception[galleryID]?.get(position))
-
-                        glide
-                            .load(R.drawable.image_broken_variant)
-                            .into(holder.view.image)
-                    } else {
                 holder.view.reader_item_progressbar.progress =
                     if (progress?.isInfinite() == true)
                         100
@@ -166,7 +155,6 @@ class ReaderAdapter(private val context: Context,
                         progress?.roundToInt() ?: 0
 
                 holder.view.image.setImageDrawable(null)
-                    }
 
                 timer.schedule(1000) {
                     CoroutineScope(Dispatchers.Main).launch {
@@ -176,8 +164,7 @@ class ReaderAdapter(private val context: Context,
             }
         }
     }
-    }
 
-    override fun getItemCount() = reader?.galleryInfo?.size ?: 0
+    override fun getItemCount() = reader?.galleryInfo?.files?.size ?: 0
 
 }

app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt

@@ -21,62 +21,30 @@ 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 androidx.preference.PreferenceManager
 import com.andrognito.patternlockview.PatternLockView
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.activity_lock.*
 import kotlinx.android.synthetic.main.fragment_pattern_lock.*
+import kotlinx.android.synthetic.main.fragment_pin_lock.*
 import xyz.quaver.pupil.R
+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
 
 class LockActivity : AppCompatActivity() {
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    private lateinit var lockManager: LockManager
-        super.onCreate(savedInstanceState)
+    private var mode: String? = null
-        setContentView(R.layout.activity_lock)
 
-        val lockManager = try {
+    private val patternLockFragment = PatternLockFragment().apply {
-            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
-        }
-
-        val mode = intent.getStringExtra("mode")
-
-        lock_pattern.isEnabled = false
-        lock_pin.isEnabled = false
-        lock_fingerprint.isEnabled = false
-        lock_password.isEnabled = false
-
-        when(mode) {
-            null -> {
-                if (lockManager.isEmpty()) {
-                    setResult(RESULT_OK)
-                    finish()
-                    return
-                }
-            }
-            "add_lock" -> {
-                when(intent.getStringExtra("type")!!) {
-                    "pattern" -> {
-
-                    }
-                }
-            }
-        }
-
-        supportFragmentManager.beginTransaction().add(
-            R.id.lock_content,
-            PatternLockFragment().apply {
         var lastPass = ""
         onPatternDrawn = {
             when(mode) {
@@ -109,7 +77,191 @@ class LockActivity : AppCompatActivity() {
             }
         }
     }
+
+    private val pinLockFragment = PINLockFragment().apply {
+        var lastPass = ""
+        onPINEntered = {
+            when(mode) {
+                null -> {
+                    val result = lockManager.check(it)
+
+                    if (result == true) {
+                        setResult(Activity.RESULT_OK)
+                        finish()
+                    } else {
+                        indicator_dots.startAnimation(AnimationUtils.loadAnimation(context, R.anim.shake).apply {
+                            setAnimationListener(object: Animation.AnimationListener {
+                                override fun onAnimationEnd(animation: Animation?) {
+                                    pin_lock_view.resetPinLockView()
+                                    pin_lock_view.isEnabled = true
+                                }
+
+                                override fun onAnimationStart(animation: Animation?) {
+                                    pin_lock_view.isEnabled = false
+                                }
+
+                                override fun onAnimationRepeat(animation: Animation?) {
+                                    // Do Nothing
+                                }
+                            })
+                        })
+                    }
+                }
+                "add_lock" -> {
+                    if (lastPass.isEmpty()) {
+                        lastPass = it
+
+                        pin_lock_view.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 {
+                            indicator_dots.startAnimation(AnimationUtils.loadAnimation(context, R.anim.shake).apply {
+                                setAnimationListener(object: Animation.AnimationListener {
+                                    override fun onAnimationEnd(animation: Animation?) {
+                                        pin_lock_view.resetPinLockView()
+                                        pin_lock_view.isEnabled = true
+                                    }
+
+                                    override fun onAnimationStart(animation: Animation?) {
+                                        pin_lock_view.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)
+                    setResult(RESULT_OK)
+                    finish()
+                    return
+                }
+            })
+
+        // Displays the "log in" prompt.
+        biometricPrompt.authenticate(promptInfo)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_lock)
+
+        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")
+
+        when(mode) {
+            null -> {
+                if (lockManager.isEmpty()) {
+                    setResult(RESULT_OK)
+                    finish()
+                    return
+                }
+
+                if (
+                    PreferenceManager.getDefaultSharedPreferences(this).getBoolean("lock_fingerprint", false)
+                    && BiometricManager.from(this).canAuthenticate() == BiometricManager.BIOMETRIC_SUCCESS
+                ) {
+                    lock_fingerprint.apply {
+                        isEnabled = true
+                        setOnClickListener {
+                            showBiometricPrompt()
+                        }
+                    }
+                    showBiometricPrompt()
+                }
+
+                lock_pattern.apply {
+                    isEnabled = lockManager.contains(Lock.Type.PATTERN)
+                    setOnClickListener {
+                        supportFragmentManager.beginTransaction().replace(
+                            R.id.lock_content, patternLockFragment
                         ).commit()
                     }
+                }
+                lock_pin.apply {
+                    isEnabled = lockManager.contains(Lock.Type.PIN)
+                    setOnClickListener {
+                        supportFragmentManager.beginTransaction().replace(
+                            R.id.lock_content, pinLockFragment
+                        ).commit()
+                    }
+                }
+                lock_password.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" -> {
+                lock_pattern.isEnabled = false
+                lock_pin.isEnabled = false
+                lock_fingerprint.isEnabled = false
+                lock_password.isEnabled = false
+
+                when(intent.getStringExtra("type")!!) {
+                    "pattern" -> {
+                        lock_pattern.isEnabled = true
+                        supportFragmentManager.beginTransaction().add(
+                            R.id.lock_content, patternLockFragment
+                        ).commit()
+                    }
+                    "pin" -> {
+                        lock_pin.isEnabled = true
+                        supportFragmentManager.beginTransaction().add(
+                            R.id.lock_content, pinLockFragment
+                        ).commit()
+                    }
+                }
+            }
+        }
+    }
 
 }

app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt

@@ -18,6 +18,7 @@
 
 package xyz.quaver.pupil.ui
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.Intent
 import android.graphics.drawable.Animatable
@@ -25,15 +26,13 @@ import android.net.Uri
 import android.os.Bundle
 import android.text.*
 import android.text.style.AlignmentSpan
+import android.util.TypedValue
 import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.View
 import android.view.WindowManager
 import android.view.inputmethod.EditorInfo
-import android.widget.EditText
+import android.widget.*
-import android.widget.ImageView
-import android.widget.LinearLayout
-import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.cardview.widget.CardView
@@ -43,17 +42,16 @@ import androidx.core.view.GravityCompat
 import androidx.preference.PreferenceManager
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
 import com.arlib.floatingsearchview.FloatingSearchView
+import com.arlib.floatingsearchview.FloatingSearchViewDayNight
 import com.arlib.floatingsearchview.suggestions.model.SearchSuggestion
 import com.arlib.floatingsearchview.util.view.SearchInputView
+import com.bumptech.glide.Glide
 import com.google.android.material.appbar.AppBarLayout
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.activity_main_content.*
 import kotlinx.coroutines.*
-import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.builtins.list
-import kotlinx.serialization.json.Json
-import kotlinx.serialization.json.JsonConfiguration
-import kotlinx.serialization.list
-import kotlinx.serialization.stringify
 import xyz.quaver.hitomi.GalleryBlock
 import xyz.quaver.hitomi.doSearch
 import xyz.quaver.hitomi.getGalleryIDsFromNozomi
@@ -179,7 +177,7 @@ class MainActivity : AppCompatActivity() {
     override fun onDestroy() {
         super.onDestroy()
 
-        (main_recyclerview.adapter as GalleryBlockAdapter).timer.cancel()
+        (main_recyclerview?.adapter as? GalleryBlockAdapter)?.timer?.cancel()
     }
 
     override fun onResume() {
@@ -197,7 +195,7 @@ class MainActivity : AppCompatActivity() {
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
         val preference = PreferenceManager.getDefaultSharedPreferences(this)
-        val perPage = preference.getString("per_page", "25")!!.toInt()
+        val perPage = preference.getString("per_page", "25")!!.toIntOrNull() ?: 25
         val maxPage = ceil(totalItems / perPage.toDouble()).roundToInt()
 
         return when(keyCode) {
@@ -332,11 +330,18 @@ class MainActivity : AppCompatActivity() {
             true
         }
 
+        with(main_fab_cancel) {
+            setImageResource(R.drawable.cancel)
+            setOnClickListener {
+                DownloadWorker.getInstance(context).stop()
+            }
+        }
+
         with(main_fab_jump) {
             setImageResource(R.drawable.ic_jump)
             setOnClickListener {
                 val preference = PreferenceManager.getDefaultSharedPreferences(context)
-                val perPage = preference.getString("per_page", "25")!!.toInt()
+                val perPage = preference.getString("per_page", "25")!!.toIntOrNull() ?: 25
                 val editText = EditText(context)
 
                 AlertDialog.Builder(context).apply {
@@ -361,17 +366,42 @@ class MainActivity : AppCompatActivity() {
             }
         }
 
+        with(main_fab_random) {
+            setImageResource(R.drawable.shuffle_variant)
+            setOnClickListener {
+                runBlocking {
+                    withTimeoutOrNull(100) {
+                        galleryIDs?.await()
+                    }
+                }.let {
+                    if (it?.isEmpty() == false) {
+                        val galleryID = it.random()
+
+                        val intent = Intent(this@MainActivity, ReaderActivity::class.java).apply {
+                            putExtra("galleryID", galleryID)
+                        }
+
+                        startActivity(intent)
+
+                        histories.add(galleryID)
+                    }
+                }
+            }
+        }
+
         with(main_fab_id) {
             setImageResource(R.drawable.numeric)
             setOnClickListener {
-                val editText = EditText(context)
+                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().toInt()
+                            val galleryID = editText.text.toString().toIntOrNull() ?: return@setPositiveButton
                             val intent = Intent(this@MainActivity, ReaderActivity::class.java).apply {
                                 putExtra("galleryID", galleryID)
                             }
@@ -390,9 +420,10 @@ class MainActivity : AppCompatActivity() {
         loadBlocks()
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     private fun setupRecyclerView() {
         with(main_recyclerview) {
-            adapter = GalleryBlockAdapter(this@MainActivity, galleries).apply {
+            adapter = GalleryBlockAdapter(Glide.with(this@MainActivity), galleries).apply {
                 onChipClickedHandler.add {
                     runOnUiThread {
                         query = it.toQuery()
@@ -406,16 +437,17 @@ class MainActivity : AppCompatActivity() {
                 }
                 onDownloadClickedHandler = { position ->
                     val galleryID = galleries[position].id
-
-                    if (!completeFlag.get(galleryID, false)) {
                     val worker = DownloadWorker.getInstance(context)
-
+                    if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("cache_disable", false))
-                        if (worker.progress.indexOfKey(galleryID) >= 0)     //download in progress
+                        Toast.makeText(context, R.string.settings_download_when_cache_disable_warning, Toast.LENGTH_SHORT).show()
+                    else {
+                        if (worker.progress.indexOfKey(galleryID) >= 0 && Cache(context).isDownloading(galleryID)) {     //download in progress
+                            Cache(context).setDownloading(galleryID, false)
                             worker.cancel(galleryID)
+                        }
                         else {
                             Cache(context).setDownloading(galleryID, true)
 
-                            if (!worker.queue.contains(galleryID))
                             worker.queue.add(galleryID)
                         }
                     }
@@ -469,6 +501,7 @@ class MainActivity : AppCompatActivity() {
 
                     GalleryDialog(
                         this@MainActivity,
+                        Glide.with(this@MainActivity),
                         galleryID
                     ).apply {
                         onChipClickedHandler.add {
@@ -693,7 +726,6 @@ class MainActivity : AppCompatActivity() {
     }
 
     private var suggestionJob : Job? = null
-    @UseExperimental(ImplicitReflectionSerializer::class)
     private fun setupSearchBar() {
         val searchInputView = findViewById<SearchInputView>(R.id.search_bar_text)
         //Change upper case letters to lower case
@@ -715,19 +747,37 @@ class MainActivity : AppCompatActivity() {
         })
         searchInputView.imeOptions = EditorInfo.IME_FLAG_NO_EXTRACT_UI
 
-        with(main_searchview as FloatingSearchView) {
+        with(main_searchview as FloatingSearchViewDayNight) {
             val favoritesFile = File(ContextCompat.getDataDir(context), "favorites_tags.json")
-            val json = Json(JsonConfiguration.Stable)
             val serializer = Tag.serializer().list
 
             if (!favoritesFile.exists()) {
                 favoritesFile.createNewFile()
-                favoritesFile.writeText(json.stringify(Tags(listOf())))
+                favoritesFile.writeText(json.stringify(serializer, Tags(listOf())))
             }
 
+            setOnLeftMenuClickListener(object: FloatingSearchView.OnLeftMenuClickListener {
+                override fun onMenuOpened() {
+                    (this@MainActivity.main_recyclerview.adapter as GalleryBlockAdapter).closeAllItems()
+                }
+
+                override fun onMenuClosed() {
+                    //Do Nothing
+                }
+            })
+
             setOnMenuItemClickListener {
                 when(it.itemId) {
                     R.id.main_menu_settings -> startActivityForResult(Intent(this@MainActivity, SettingsActivity::class.java), REQUEST_SETTINGS)
+                    R.id.main_menu_thin -> {
+                        main_recyclerview.apply {
+                            (adapter as GalleryBlockAdapter).apply {
+                                isThin = !isThin
+                            }
+
+                            adapter = adapter       // Force to redraw
+                        }
+                    }
                     R.id.main_menu_sort_newest -> {
                         sortMode = SortMode.NEWEST
                         it.isChecked = true
@@ -796,20 +846,23 @@ class MainActivity : AppCompatActivity() {
 
                 val tag = "${item.n}:${item.s.replace(Regex("\\s"), "_")}"
 
+                val color = TypedValue()
+                theme.resolveAttribute(R.attr.colorControlNormal, color, true)
+
                 leftIcon.setImageDrawable(
                     ResourcesCompat.getDrawable(
                         resources,
                         when(item.n) {
-                            "female" -> R.drawable.ic_gender_female
+                            "female" -> R.drawable.gender_female
-                            "male" -> R.drawable.ic_gender_male
+                            "male" -> R.drawable.gender_male
-                            "language" -> R.drawable.ic_translate
+                            "language" -> R.drawable.translate
-                            "group" -> R.drawable.ic_account_group
+                            "group" -> R.drawable.account_group
-                            "character" -> R.drawable.ic_account_star
+                            "character" -> R.drawable.account_star
-                            "series" -> R.drawable.ic_book_open
+                            "series" -> R.drawable.book_open
-                            "artist" -> R.drawable.ic_brush
+                            "artist" -> R.drawable.brush
-                            else -> R.drawable.ic_tag
+                            else -> R.drawable.tag
                         },
-                        null)
+                        context.theme)
                 )
 
                 with(suggestionView.findViewById<ImageView>(R.id.right_icon)) {
@@ -840,7 +893,7 @@ class MainActivity : AppCompatActivity() {
                             favorites.add(tag)
                         }
 
-                        favoritesFile.writeText(json.stringify(favorites))
+                        favoritesFile.writeText(json.stringify(serializer, favorites))
                     }
                 }
 
@@ -939,58 +992,60 @@ class MainActivity : AppCompatActivity() {
                             when(sortMode) {
                                 SortMode.POPULAR -> getGalleryIDsFromNozomi(null, "popular", "all")
                                 else -> getGalleryIDsFromNozomi(null, "index", "all")
-                            }.apply {
+                            }.also {
-                                totalItems = size
+                                totalItems = it.size
                             }
                         }
-                        else -> doSearch("$defaultQuery $query", sortMode == SortMode.POPULAR).apply {
+                        else -> doSearch("$defaultQuery $query", sortMode == SortMode.POPULAR).also {
-                            totalItems = size
+                            totalItems = it.size
                         }
                     }
                 }
                 Mode.HISTORY -> {
                     when {
                         query.isEmpty() -> {
-                            histories.toList().apply {
+                            histories.toList().also {
-                                totalItems = size
+                                totalItems = it.size
                             }
                         }
                         else -> {
                             val result = doSearch(query).sorted()
-                            histories.filter { result.binarySearch(it) >= 0 }.apply {
+                            histories.filter { result.binarySearch(it) >= 0 }.also {
-                                totalItems = size
+                                totalItems = it.size
                             }
                         }
                     }
                 }
                 Mode.DOWNLOAD -> {
                     val downloads = getDownloadDirectory(this@MainActivity).listFiles()?.filter { file ->
-                        file.isDirectory && (file.name.toIntOrNull() != null) && File(file, ".metadata").exists()
+                        file.isDirectory && file.name.toIntOrNull() != null
+                    }?.sortedByDescending {
+                        it.lastModified()
                     }?.map {
                         it.name.toInt()
                     } ?: emptyList()
 
                     when {
-                        query.isEmpty() -> downloads.apply {
+                        query.isEmpty() -> downloads.also {
-                            totalItems = size
+                            totalItems = it.size
                         }
                         else -> {
                             val result = doSearch(query).sorted()
-                            downloads.filter { result.binarySearch(it) >= 0 }.apply {
+                            downloads.filter { result.binarySearch(it) >= 0 }.also {
-                                totalItems = size
+                                totalItems = it.size
                             }
                         }
                     }
                 }
                 Mode.FAVORITE -> {
                     when {
-                        query.isEmpty() -> favorites.toList().apply {
+                        query.isEmpty() -> favorites.toList().also {
-                            totalItems = size
+                            totalItems = it.size
                         }
                         else -> {
                             val result = doSearch(query).sorted()
-                            favorites.filter { result.binarySearch(it) >= 0 }.apply {
+                            favorites.filter { result.binarySearch(it) >= 0 }.also {
-                                totalItems = size
+                                totalItems = it.size
                             }
                         }
                     }
@@ -1004,9 +1059,16 @@ class MainActivity : AppCompatActivity() {
         val perPage = preference.getString("per_page", "25")?.toInt() ?: 25
 
         loadingJob = CoroutineScope(Dispatchers.IO).launch {
-            val galleryIDs = galleryIDs?.await()
+            val galleryIDs = try {
+                galleryIDs!!.await().also {
+                    if (it.isEmpty())
+                        throw Exception("No result")
+                }
+            } catch (e: Exception) {
+
+                if (e.message != "No result")
+                    FirebaseCrashlytics.getInstance().recordException(e)
 
-            if (galleryIDs.isNullOrEmpty()) { //No result
                 withContext(Dispatchers.Main) {
                     main_noresult.visibility = View.VISIBLE
                     main_progressbar.hide()

app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt

@@ -23,6 +23,7 @@ import android.graphics.drawable.Animatable
 import android.graphics.drawable.Drawable
 import android.os.Bundle
 import android.view.*
+import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
@@ -32,13 +33,15 @@ import androidx.recyclerview.widget.PagerSnapHelper
 import androidx.recyclerview.widget.RecyclerView
 import androidx.vectordrawable.graphics.drawable.Animatable2Compat
 import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
-import com.crashlytics.android.Crashlytics
+import com.bumptech.glide.Glide
 import com.google.android.material.snackbar.Snackbar
-import io.fabric.sdk.android.Fabric
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.android.synthetic.main.activity_reader.*
 import kotlinx.android.synthetic.main.activity_reader.view.*
 import kotlinx.android.synthetic.main.dialog_numberpicker.view.*
-import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import xyz.quaver.Code
 import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.R
@@ -91,8 +94,7 @@ class ReaderActivity : AppCompatActivity() {
 
         handleIntent(intent)
 
-        if (Fabric.isInitialized())
+        FirebaseCrashlytics.getInstance().setCustomKey("GalleryID", galleryID)
-            Crashlytics.setInt("GalleryID", galleryID)
 
         if (galleryID == 0) {
             onBackPressed()
@@ -100,6 +102,35 @@ class ReaderActivity : AppCompatActivity() {
         }
 
         initView()
+        if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean("cache_disable", false)) {
+            reader_download_progressbar.visibility = View.GONE
+            CoroutineScope(Dispatchers.IO).launch {
+                val reader = Cache(this@ReaderActivity).getReader(galleryID)
+
+                launch(Dispatchers.Main) initDownloader@{
+                    if (reader == null) {
+                        Snackbar
+                            .make(reader_layout, R.string.reader_failed_to_find_gallery, Snackbar.LENGTH_INDEFINITE)
+                            .show()
+                        return@initDownloader
+                    }
+
+                    (reader_recyclerview.adapter as ReaderAdapter).apply {
+                        this.reader = reader
+                        notifyDataSetChanged()
+                    }
+                    title = reader.galleryInfo.title ?: ""
+                    menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${reader.galleryInfo.files.size}"
+
+                    menu?.findItem(R.id.reader_type)?.icon = ContextCompat.getDrawable(this@ReaderActivity,
+                        when (reader.code) {
+                            Code.HITOMI -> R.drawable.hitomi
+                            Code.HIYOBI -> R.drawable.ic_hiyobi
+                            else -> android.R.color.transparent
+                        })
+                }
+            }
+        } else
             initDownloader()
     }
 
@@ -113,14 +144,12 @@ class ReaderActivity : AppCompatActivity() {
             val uri = intent.data
             val lastPathSegment = uri?.lastPathSegment
             if (uri != null && lastPathSegment != null) {
-                val nonNumber = Regex("[^-?0-9]+")
-
                 galleryID = when (uri.host) {
-                    "hitomi.la" -> lastPathSegment.replace(nonNumber, "").toInt()
+                    "hitomi.la" ->
-                    "히요비.asia" -> lastPathSegment.toInt()
+                        Regex("([0-9]+).html").find(lastPathSegment)?.groupValues?.get(1)?.toIntOrNull() ?: 0
-                    "xn--9w3b15m8vo.asia" -> lastPathSegment.toInt()
+                    "hiyobi.me" -> lastPathSegment.toInt()
                     "e-hentai.org" -> uri.pathSegments[1].toInt()
-                    else -> return
+                    else -> 0
                 }
             }
         } else {
@@ -141,7 +170,6 @@ class ReaderActivity : AppCompatActivity() {
         super.onResume()
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
         menuInflater.inflate(R.menu.reader, menu)
 
@@ -159,10 +187,10 @@ class ReaderActivity : AppCompatActivity() {
     override fun onOptionsItemSelected(item: MenuItem?): Boolean {
         when(item?.itemId) {
             R.id.reader_menu_page_indicator -> {
-                val view = LayoutInflater.from(this).inflate(R.layout.dialog_numberpicker, findViewById(android.R.id.content), false)
+                val view = LayoutInflater.from(this).inflate(R.layout.dialog_numberpicker, reader_layout, false)
                 with(view.dialog_number_picker) {
                     minValue=1
-                    maxValue=reader_recyclerview?.adapter?.itemCount ?: 0
+                    maxValue=Cache(context).getReaderOrNull(galleryID)?.galleryInfo?.files?.size ?: 0
                     value=currentPage
                 }
                 val dialog = AlertDialog.Builder(this).apply {
@@ -236,6 +264,7 @@ class ReaderActivity : AppCompatActivity() {
 
     private fun initDownloader() {
         val worker = DownloadWorker.getInstance(this).apply {
+            cancel(galleryID)
             queue.add(galleryID)
         }
 
@@ -252,15 +281,21 @@ class ReaderActivity : AppCompatActivity() {
 
             runOnUiThread {
                 reader_download_progressbar.max = reader_recyclerview.adapter?.itemCount ?: 0
-                reader_download_progressbar.progress = worker.progress[galleryID]?.count { !it.isFinite() } ?: 0
+                reader_download_progressbar.progress = worker.progress[galleryID]?.count { it.isInfinite() } ?: 0
                 reader_progressbar.max = reader_recyclerview.adapter?.itemCount ?: 0
 
                 if (title == getString(R.string.reader_loading)) {
-                    val reader = (reader_recyclerview.adapter as ReaderAdapter).reader
+                    val reader = Cache(this@ReaderActivity).getReaderOrNull(galleryID)
 
                     if (reader != null) {
-                        title = reader.title
+
-                        menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${reader.galleryInfo.size}"
+                        with (reader_recyclerview.adapter as ReaderAdapter) {
+                            this.reader = reader
+                            notifyDataSetChanged()
+                        }
+
+                        title = reader.galleryInfo.title
+                        menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${reader.galleryInfo.files.size}"
 
                         menu?.findItem(R.id.reader_type)?.icon = ContextCompat.getDrawable(this@ReaderActivity,
                             when (reader.code) {
@@ -271,7 +306,7 @@ class ReaderActivity : AppCompatActivity() {
                     }
                 }
 
-                if (worker.progress[galleryID]?.all { !it.isFinite() } == true) {   //Download finished
+                if (worker.progress[galleryID]?.all { it.isInfinite() } == true) {   //Download finished
                     reader_download_progressbar.visibility = View.GONE
 
                     animateDownloadFAB(false)
@@ -282,7 +317,7 @@ class ReaderActivity : AppCompatActivity() {
 
     private fun initView() {
         with(reader_recyclerview) {
-            adapter = ReaderAdapter(this@ReaderActivity, galleryID).apply {
+            adapter = ReaderAdapter(Glide.with(this@ReaderActivity), galleryID, this@ReaderActivity).apply {
                 onItemClickListener = {
                     if (isScroll) {
                         isScroll = false
@@ -296,7 +331,6 @@ class ReaderActivity : AppCompatActivity() {
                 }
             }
 
-            //addOnScrollListener((adapter as ReaderAdapter).preloader)
             addOnScrollListener(object: RecyclerView.OnScrollListener() {
                 override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                     super.onScrolled(recyclerView, dx, dy)
@@ -321,6 +355,9 @@ class ReaderActivity : AppCompatActivity() {
             animateDownloadFAB(Cache(context).isDownloading(galleryID)) //If download in progress, animate button
 
             setOnClickListener {
+                if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("cache_disable", false))
+                    Toast.makeText(context, R.string.settings_download_when_cache_disable_warning, Toast.LENGTH_SHORT).show()
+                else {
                     if (Cache(context).isDownloading(galleryID)) {
                         Cache(context).setDownloading(galleryID, false)
 
@@ -331,6 +368,17 @@ class ReaderActivity : AppCompatActivity() {
                     }
                 }
             }
+        }
+
+        with(reader_fab_retry) {
+            setImageResource(R.drawable.refresh)
+            setOnClickListener {
+                DownloadWorker.getInstance(context).let {
+                    it.cancel(galleryID)
+                    it.queue.add(galleryID)
+                }
+            }
+        }
 
         with(reader_fab_fullscreen) {
             setImageResource(R.drawable.ic_fullscreen)
@@ -357,6 +405,8 @@ class ReaderActivity : AppCompatActivity() {
 
             window.attributes = this
         }
+
+        reader_recyclerview.adapter = reader_recyclerview.adapter   // Force to redraw
     }
 
     private fun scrollMode(isScroll: Boolean) {
@@ -379,10 +429,10 @@ class ReaderActivity : AppCompatActivity() {
                 icon?.registerAnimationCallback(object : Animatable2Compat.AnimationCallback() {
                     override fun onAnimationEnd(drawable: Drawable?) {
                         val worker = DownloadWorker.getInstance(context)
-                        if (worker.progress[galleryID]?.all { !it.isFinite() } == true) // If download is finished, stop animating
+                        if (worker.progress[galleryID]?.all { it.isInfinite() } == true) // If download is finished, stop animating
                             post {
                                 setImageResource(R.drawable.ic_download)
-                                labelText = getString(R.string.reader_fab_download)
+                                labelText = getString(R.string.reader_fab_download_cancel)
                             }
                         else                                                            // Or continue animate
                             post {

app/src/main/java/xyz/quaver/pupil/ui/SettingsActivity.kt

@@ -30,13 +30,12 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.PreferenceManager
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.settings_activity.*
-import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.builtins.list
-import kotlinx.serialization.json.Json
+import kotlinx.serialization.builtins.serializer
-import kotlinx.serialization.parseList
 import net.rdrei.android.dirchooser.DirectoryChooserActivity
 import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.fragment.LockFragment
+import xyz.quaver.pupil.ui.fragment.LockSettingsFragment
 import xyz.quaver.pupil.ui.fragment.SettingsFragment
 import xyz.quaver.pupil.util.*
 import java.io.File
@@ -79,14 +78,13 @@ class SettingsActivity : AppCompatActivity() {
         return true
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         when(requestCode) {
             REQUEST_LOCK -> {
                 if (resultCode == Activity.RESULT_OK) {
                     supportFragmentManager
                         .beginTransaction()
-                        .replace(R.id.settings, LockFragment())
+                        .replace(R.id.settings, LockSettingsFragment())
                         .addToBackStack("Lock")
                         .commitAllowingStateLoss()
                 }
@@ -96,13 +94,13 @@ class SettingsActivity : AppCompatActivity() {
                     val uri = data?.data ?: return
 
                     try {
-                        val json = contentResolver.openInputStream(uri).use { inputStream ->
+                        val str = contentResolver.openInputStream(uri).use { inputStream ->
                             inputStream!!
 
                             inputStream.readBytes().toString(Charset.defaultCharset())
                         }
 
-                        (application as Pupil).favorites.addAll(Json.parseList<Int>(json).also {
+                        (application as Pupil).favorites.addAll(json.parse(Int.serializer().list, str).also {
                             Snackbar.make(
                                 window.decorView,
                                 getString(R.string.settings_restore_successful, it.size),
@@ -158,6 +156,43 @@ class SettingsActivity : AppCompatActivity() {
                             .apply()
                 }
             }
+            REQUEST_IMPORT_OLD_GALLERIES -> {
+                if (resultCode == Activity.RESULT_OK) {
+                    data?.data?.also { uri ->
+                        val takeFlags: Int =
+                            intent.flags and (Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
+                            contentResolver.takePersistableUriPermission(uri, takeFlags)
+
+                        val file = uri.toFile(this)
+
+                        if (file?.canRead() != true)
+                            Snackbar.make(
+                                settings,
+                                resources.getText(R.string.import_old_galleries_folder_not_readable),
+                                Snackbar.LENGTH_LONG
+                            ).show()
+                        else
+                            importOldGalleries(this, file)
+                    }
+                }
+            }
+            REQUEST_IMPORT_OLD_GALLERIES_OLD -> {
+                if (resultCode == DirectoryChooserActivity.RESULT_CODE_DIR_SELECTED) {
+                    val directory = data?.getStringExtra(DirectoryChooserActivity.RESULT_SELECTED_DIR)!!
+
+                    if (!File(directory).canRead())
+                        Snackbar.make(
+                            settings,
+                            resources.getText(R.string.import_old_galleries_folder_not_readable),
+                            Snackbar.LENGTH_LONG
+                        ).show()
+                    else {
+                        importOldGalleries(this, File(directory))
+                    }
+                }
+            }
             else -> super.onActivityResult(requestCode, resultCode, data)
         }
     }

app/src/main/java/xyz/quaver/pupil/ui/dialog/DefaultQueryDialog.kt

@@ -45,17 +45,14 @@ class DefaultQueryDialog(context : Context) : AlertDialog(context) {
 
     private val excludeBL = "-male:yaoi"
     private val excludeGuro = listOf("-female:guro", "-male:guro")
-
+    private val excludeLoli = listOf("-female:loli", "-male:shota")
-    private lateinit var dialogView : View
 
     var onPositiveButtonClickListener : ((Tags) -> (Unit))? = null
 
     @SuppressLint("InflateParams")
     override fun onCreate(savedInstanceState: Bundle?) {
-        initDialog()
-
         setTitle(R.string.default_query_dialog_title)
-        setView(dialogView)
+        setView(build())
         setButton(Dialog.BUTTON_POSITIVE, context.getString(android.R.string.ok)) { _, _ ->
             val newTags = Tags.parse(default_query_dialog_edittext.text.toString())
 
@@ -72,6 +69,11 @@ class DefaultQueryDialog(context : Context) : AlertDialog(context) {
                     newTags.add(tag)
                 }
 
+            if (default_query_dialog_loli_checkbox.isChecked)
+                excludeLoli.forEach { tag ->
+                    newTags.add(tag)
+                }
+
             onPositiveButtonClickListener?.invoke(newTags)
         }
 
@@ -79,15 +81,15 @@ class DefaultQueryDialog(context : Context) : AlertDialog(context) {
     }
 
     @SuppressLint("InflateParams")
-    private fun initDialog() {
+    private fun build() : View {
         val preferences = PreferenceManager.getDefaultSharedPreferences(context)
         val tags = Tags.parse(
             preferences.getString("default_query", "") ?: ""
         )
 
-        dialogView = LayoutInflater.from(context).inflate(R.layout.dialog_default_query, null)
+        val view = LayoutInflater.from(context).inflate(R.layout.dialog_default_query, null)
 
-        with(dialogView.default_query_dialog_language_selector) {
+        with(view.default_query_dialog_language_selector) {
             adapter =
                 ArrayAdapter(
                     context,
@@ -110,13 +112,13 @@ class DefaultQueryDialog(context : Context) : AlertDialog(context) {
             }
         }
 
-        with(dialogView.default_query_dialog_BL_checkbox) {
+        with(view.default_query_dialog_BL_checkbox) {
             isChecked = tags.contains(excludeBL)
             if (tags.contains(excludeBL))
                 tags.remove(excludeBL)
         }
 
-        with(dialogView.default_query_dialog_guro_checkbox) {
+        with(view.default_query_dialog_guro_checkbox) {
             isChecked = excludeGuro.all { tags.contains(it) }
             if (excludeGuro.all { tags.contains(it) })
                 excludeGuro.forEach {
@@ -124,7 +126,15 @@ class DefaultQueryDialog(context : Context) : AlertDialog(context) {
                 }
         }
 
-        with(dialogView.default_query_dialog_edittext) {
+        with(view.default_query_dialog_loli_checkbox) {
+            isChecked = excludeLoli.all { tags.contains(it) }
+            if (excludeLoli.all { tags.contains(it) })
+                excludeLoli.forEach {
+                    tags.remove(it)
+                }
+        }
+
+        with(view.default_query_dialog_edittext) {
             setText(tags.toString(), android.widget.TextView.BufferType.EDITABLE)
             addTextChangedListener(object : TextWatcher {
                 override fun beforeTextChanged(
@@ -149,6 +159,8 @@ class DefaultQueryDialog(context : Context) : AlertDialog(context) {
                 }
             })
         }
+
+        return view
     }
 
 }

app/src/main/java/xyz/quaver/pupil/ui/dialog/DownloadLocationDialog.kt

@@ -26,6 +26,7 @@ import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
+import android.view.View
 import android.widget.LinearLayout
 import android.widget.RadioButton
 import androidx.appcompat.app.AlertDialog
@@ -36,10 +37,7 @@ import kotlinx.android.synthetic.main.item_dl_location.view.*
 import net.rdrei.android.dirchooser.DirectoryChooserActivity
 import net.rdrei.android.dirchooser.DirectoryChooserConfig
 import xyz.quaver.pupil.R
-import xyz.quaver.pupil.util.REQUEST_DOWNLOAD_FOLDER
+import xyz.quaver.pupil.util.*
-import xyz.quaver.pupil.util.REQUEST_DOWNLOAD_FOLDER_OLD
-import xyz.quaver.pupil.util.REQUEST_WRITE_PERMISSION_AND_SAF
-import xyz.quaver.pupil.util.byteToString
 import java.io.File
 
 @SuppressLint("InflateParams")
@@ -49,6 +47,16 @@ class DownloadLocationDialog(val activity: Activity) : AlertDialog(activity) {
     private val buttons = mutableListOf<Pair<RadioButton, File?>>()
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        setTitle(R.string.settings_dl_location)
+
+        setView(build())
+
+        setButton(Dialog.BUTTON_POSITIVE, context.getText(android.R.string.ok)) { _, _ -> }
+
+        super.onCreate(savedInstanceState)
+    }
+
+    private fun build() : View {
         val view = layoutInflater.inflate(R.layout.dialog_dl_location, null) as LinearLayout
 
         val externalFilesDirs = ContextCompat.getExternalFilesDirs(context, null)
@@ -115,25 +123,16 @@ class DownloadLocationDialog(val activity: Activity) : AlertDialog(activity) {
             buttons.add(button to null)
         })
 
-        val pref = preference.getString("dl_location", null)
+        externalFilesDirs.indexOfFirst {
-        val index = externalFilesDirs.indexOfFirst {
+            it.canonicalPath == getDownloadDirectory(context).canonicalPath
-            it.canonicalPath == pref
+        }.let { index ->
-        }
-
             if (index < 0)
-            buttons.last().first.isChecked = true
+                buttons.first().first.isChecked = true
             else
                 buttons[index].first.isChecked = true
-
-        setTitle(R.string.settings_dl_location)
-
-        setView(view)
-
-        setButton(Dialog.BUTTON_POSITIVE, context.getText(android.R.string.ok)) { _, _ ->
-            dismiss()
         }
 
-        super.onCreate(savedInstanceState)
+        return view
     }
 
 }

app/src/main/java/xyz/quaver/pupil/ui/dialog/GalleryDialog.kt

@@ -29,7 +29,7 @@ import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import com.bumptech.glide.Glide
+import com.bumptech.glide.RequestManager
 import com.google.android.material.chip.Chip
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.dialog_gallery.*
@@ -53,7 +53,7 @@ import xyz.quaver.pupil.util.ItemClickSupport
 import xyz.quaver.pupil.util.download.Cache
 import xyz.quaver.pupil.util.wordCapitalize
 
-class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(context) {
+class GalleryDialog(context: Context, private val glide: RequestManager, private val galleryID: Int) : Dialog(context) {
 
     private val languages = context.resources.getStringArray(R.array.languages).map {
         it.split("|").let { split ->
@@ -61,8 +61,6 @@ class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(conte
         }
     }.toMap()
 
-    private val glide = Glide.with(context)
-
     val onChipClickedHandler = ArrayList<((Tag) -> (Unit))>()
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -90,7 +88,7 @@ class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(conte
             try {
                 val gallery = getGallery(galleryID)
 
-                launch(Dispatchers.Main) {
+                gallery_cover.post {
                     gallery_progressbar.visibility = View.GONE
                     gallery_title.text = gallery.title
                     gallery_artist.text = gallery.artists.joinToString(", ") { it.wordCapitalize() }
@@ -112,7 +110,7 @@ class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(conte
                         }
                     }
 
-                    Glide.with(context)
+                    glide
                         .load(gallery.cover)
                         .apply {
                             if (BuildConfig.CENSOR)
@@ -171,12 +169,12 @@ class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(conte
                                     "male" -> {
                                         setChipBackgroundColorResource(R.color.material_blue_700)
                                         setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                        ContextCompat.getDrawable(context, R.drawable.ic_gender_male_white)
+                                        ContextCompat.getDrawable(context, R.drawable.gender_male)
                                     }
                                     "female" -> {
                                         setChipBackgroundColorResource(R.color.material_pink_600)
                                         setTextColor(ContextCompat.getColor(context, android.R.color.white))
-                                        ContextCompat.getDrawable(context, R.drawable.ic_gender_female_white)
+                                        ContextCompat.getDrawable(context, R.drawable.gender_female)
                                     }
                                     else -> null
                                 }
@@ -226,7 +224,7 @@ class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(conte
         val inflater = LayoutInflater.from(context)
         val galleries = ArrayList<GalleryBlock>()
 
-        val adapter = GalleryBlockAdapter(context, galleries).apply {
+        val adapter = GalleryBlockAdapter(glide, galleries).apply {
             onChipClickedHandler.add { tag ->
                 this@GalleryDialog.onChipClickedHandler.forEach { handler ->
                     handler.invoke(tag)
@@ -264,6 +262,7 @@ class GalleryDialog(context: Context, private val galleryID: Int) : Dialog(conte
                     .setOnItemLongClickListener { _, position, _ ->
                         GalleryDialog(
                             context,
+                            glide,
                             galleries[position].id
                         ).apply {
                             onChipClickedHandler.add { tag ->

app/src/main/java/xyz/quaver/pupil/ui/dialog/MirrorDialog.kt

@@ -22,6 +22,7 @@ import android.annotation.SuppressLint
 import android.app.Dialog
 import android.content.Context
 import android.os.Bundle
+import android.view.View
 import androidx.appcompat.app.AlertDialog
 import androidx.preference.PreferenceManager
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -56,21 +57,17 @@ class MirrorDialog(context: Context) : AlertDialog(context) {
         }
     }
 
-    private lateinit var recyclerView: RecyclerView
-
     @SuppressLint("InflateParams")
     override fun onCreate(savedInstanceState: Bundle?) {
-        initDialog()
-
         setTitle(R.string.settings_mirror_title)
-        setView(recyclerView)
+        setView(build())
         setButton(Dialog.BUTTON_POSITIVE, context.getString(android.R.string.ok)) { _, _ -> }
 
         super.onCreate(savedInstanceState)
     }
 
-    private fun initDialog() {
+    private fun build() : View {
-        recyclerView = RecyclerView(context).apply recyclerview@{
+        return RecyclerView(context).apply recyclerview@{
             addItemDecoration(DividerItemDecoration(context, DividerItemDecoration.VERTICAL))
             layoutManager = LinearLayoutManager(context)
             adapter = MirrorAdapter(context).apply adapter@{

app/src/main/java/xyz/quaver/pupil/ui/dialog/ProxyDialog.kt

@@ -0,0 +1,133 @@
+/*
+ *     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.annotation.SuppressLint
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import androidx.preference.PreferenceManager
+import kotlinx.android.synthetic.main.dialog_proxy.view.*
+import xyz.quaver.proxy
+import xyz.quaver.pupil.R
+import xyz.quaver.pupil.util.ProxyInfo
+import xyz.quaver.pupil.util.getProxyInfo
+import xyz.quaver.pupil.util.json
+import java.net.Proxy
+
+class ProxyDialog(context: Context) : Dialog(context) {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        val view = build()
+
+        setTitle(R.string.settings_proxy_title)
+        setContentView(view)
+
+        window?.attributes?.width = ViewGroup.LayoutParams.MATCH_PARENT
+
+        super.onCreate(savedInstanceState)
+    }
+
+    @SuppressLint("InflateParams")
+    private fun build() : View {
+        val proxyInfo = getProxyInfo(context)
+
+        val view = LayoutInflater.from(context).inflate(R.layout.dialog_proxy, null)
+
+        val enabler = { enable: Boolean ->
+            view?.proxy_addr?.isEnabled = enable
+            view?.proxy_port?.isEnabled = enable
+            view?.proxy_username?.isEnabled = enable
+            view?.proxy_password?.isEnabled = enable
+
+            if (!enable) {
+                view?.proxy_addr?.text = null
+                view?.proxy_port?.text = null
+                view?.proxy_username?.text = null
+                view?.proxy_password?.text = null
+            }
+        }
+
+        with(view.proxy_type_selector) {
+            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<*>?) {}
+            }
+        }
+
+        view.proxy_addr.setText(proxyInfo.host)
+        view.proxy_port.setText(proxyInfo.port?.toString())
+        view.proxy_username.setText(proxyInfo.username)
+        view.proxy_password.setText(proxyInfo.password)
+
+        enabler.invoke(proxyInfo.type != Proxy.Type.DIRECT)
+
+        view.proxy_cancel.setOnClickListener {
+            dismiss()
+        }
+
+        view.proxy_ok.setOnClickListener {
+            val type = Proxy.Type.values()[view.proxy_type_selector.selectedItemPosition]
+            val addr = view.proxy_addr.text?.toString()
+            val port = view.proxy_port.text?.toString()?.toIntOrNull()
+            val username = view.proxy_username.text?.toString()
+            val password = view.proxy_password.text?.toString()
+
+            if (type != Proxy.Type.DIRECT) {
+                if (addr == null || addr.isEmpty())
+                    view.proxy_addr.error = context.getText(R.string.proxy_dialog_error)
+                if (port == null)
+                    view.proxy_port.error = context.getText(R.string.proxy_dialog_error)
+
+                if (addr == null || addr.isEmpty() || port == null)
+                    return@setOnClickListener
+            }
+
+            ProxyInfo(type, addr, port, username, password).let {
+
+                PreferenceManager.getDefaultSharedPreferences(context).edit().putString("proxy",
+                    json.stringify(ProxyInfo.serializer(), it)
+                ).apply()
+
+                proxy = it.proxy()
+            }
+
+            dismiss()
+        }
+
+        return view
+    }
+
+}

app/src/main/java/xyz/quaver/pupil/ui/fragment/LockFragment.kt

@@ -1,81 +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 androidx.appcompat.app.AlertDialog
-import androidx.preference.Preference
-import androidx.preference.PreferenceFragmentCompat
-import xyz.quaver.pupil.R
-import xyz.quaver.pupil.ui.LockActivity
-import xyz.quaver.pupil.util.Lock
-import xyz.quaver.pupil.util.LockManager
-
-class LockFragment : PreferenceFragmentCompat() {
-
-    override fun onResume() {
-        super.onResume()
-
-        val lockManager = LockManager(context!!)
-
-        findPreference<Preference>("lock_pattern")?.summary =
-            if (lockManager.contains(Lock.Type.PATTERN))
-                getString(R.string.settings_lock_enabled)
-            else
-                ""
-    }
-
-    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
-        setPreferencesFromResource(R.xml.lock_preferences, rootKey)
-
-        with(findPreference<Preference>("lock_pattern")) {
-            this!!
-
-            if (LockManager(context!!).contains(Lock.Type.PATTERN))
-                summary = getString(R.string.settings_lock_enabled)
-
-            onPreferenceClickListener = Preference.OnPreferenceClickListener {
-                val lockManager = LockManager(context!!)
-
-                if (lockManager.contains(Lock.Type.PATTERN)) {
-                    AlertDialog.Builder(context).apply {
-                        setTitle(R.string.warning)
-                        setMessage(R.string.settings_lock_remove_message)
-
-                        setPositiveButton(android.R.string.yes) { _, _ ->
-                            lockManager.remove(Lock.Type.PATTERN)
-                            onResume()
-                        }
-                        setNegativeButton(android.R.string.no) { _, _ -> }
-                    }.show()
-                } else {
-                    val intent = Intent(context, LockActivity::class.java).apply {
-                        putExtra("mode", "add_lock")
-                        putExtra("type", "pattern")
-                    }
-
-                    startActivity(intent)
-                }
-
-                true
-            }
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/ui/fragment/LockSettingsFragment.kt

@@ -0,0 +1,147 @@
+/*
+ *     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.PreferenceManager
+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
+
+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
+
+            PreferenceManager.getDefaultSharedPreferences(context).edit().putBoolean("lock_fingerprint", false).apply()
+        }
+    }
+
+    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.yes) { _, _ ->
+                            lockManager.remove(Lock.Type.PATTERN)
+                            onResume()
+                        }
+                        setNegativeButton(android.R.string.no) { _, _ -> }
+                    }.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.yes) { _, _ ->
+                            lockManager.remove(Lock.Type.PIN)
+                            onResume()
+                        }
+                        setNegativeButton(android.R.string.no) { _, _ -> }
+                    }.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
+            }
+        }
+    }
+}

app/src/main/java/xyz/quaver/pupil/ui/fragment/PINLockFragment.kt

@@ -0,0 +1,53 @@
+/*
+ *     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 kotlinx.android.synthetic.main.fragment_pin_lock.view.*
+import xyz.quaver.pupil.R
+
+class PINLockFragment : Fragment(), PinLockListener {
+
+    var onPINEntered: ((String) -> Unit)? = null
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.fragment_pin_lock, container, false).apply {
+            pin_lock_view.attachIndicatorDots(indicator_dots)
+            pin_lock_view.setPinLockListener(this@PINLockFragment)
+        }
+    }
+
+    override fun onComplete(pin: String?) {
+        onPINEntered?.invoke(pin!!)
+    }
+
+    override fun onEmpty() {
+
+    }
+
+    override fun onPinChange(pinLength: Int, intermediatePin: String?) {
+
+    }
+
+}

app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt

@@ -18,17 +18,23 @@
 
 package xyz.quaver.pupil.ui.fragment
 
-import android.content.Intent
+import android.Manifest
-import android.content.SharedPreferences
+import android.content.*
+import android.content.pm.PackageManager
+import android.os.Build
 import android.os.Bundle
+import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.preference.Preference
 import androidx.preference.PreferenceCategory
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.PreferenceManager
 import com.google.android.material.snackbar.Snackbar
+import net.rdrei.android.dirchooser.DirectoryChooserActivity
+import net.rdrei.android.dirchooser.DirectoryChooserConfig
 import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.ui.LockActivity
@@ -36,6 +42,7 @@ import xyz.quaver.pupil.ui.SettingsActivity
 import xyz.quaver.pupil.ui.dialog.DefaultQueryDialog
 import xyz.quaver.pupil.ui.dialog.DownloadLocationDialog
 import xyz.quaver.pupil.ui.dialog.MirrorDialog
+import xyz.quaver.pupil.ui.dialog.ProxyDialog
 import xyz.quaver.pupil.util.*
 import java.io.File
 
@@ -46,16 +53,12 @@ class SettingsFragment :
     Preference.OnPreferenceChangeListener,
     SharedPreferences.OnSharedPreferenceChangeListener {
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    lateinit var sharedPreference: SharedPreferences
-        super.onCreate(savedInstanceState)
-
-        PreferenceManager.getDefaultSharedPreferences(context).registerOnSharedPreferenceChangeListener(this)
-    }
 
     override fun onResume() {
         super.onResume()
 
-        val lockManager = LockManager(context!!)
+        val lockManager = LockManager(requireContext())
 
         findPreference<Preference>("app_lock")?.summary = if (lockManager.locks.isNullOrEmpty()) {
             getString(R.string.settings_lock_none)
@@ -85,9 +88,9 @@ class SettingsFragment :
                     checkUpdate(activity as SettingsActivity, true)
                 }
                 "delete_cache" -> {
-                    val dir = File(context.cacheDir, "imageCache")
+                    val dir = File(requireContext().cacheDir, "imageCache")
 
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_clear_cache_alert_message)
                         setPositiveButton(android.R.string.yes) { _, _ ->
@@ -100,9 +103,9 @@ class SettingsFragment :
                     }.show()
                 }
                 "delete_downloads" -> {
-                    val dir = getDownloadDirectory(context)
+                    val dir = getDownloadDirectory(requireContext())
 
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_clear_downloads_alert_message)
                         setPositiveButton(android.R.string.yes) { _, _ ->
@@ -115,9 +118,9 @@ class SettingsFragment :
                     }.show()
                 }
                 "clear_history" -> {
-                    val histories = (context.applicationContext as Pupil).histories
+                    val histories = (requireContext().applicationContext as Pupil).histories
 
-                    AlertDialog.Builder(context).apply {
+                    AlertDialog.Builder(requireContext()).apply {
                         setTitle(R.string.warning)
                         setMessage(R.string.settings_clear_history_alert_message)
                         setPositiveButton(android.R.string.yes) { _, _ ->
@@ -128,10 +131,10 @@ class SettingsFragment :
                     }.show()
                 }
                 "dl_location" -> {
-                    DownloadLocationDialog(activity!!).show()
+                    DownloadLocationDialog(requireActivity()).show()
                 }
                 "default_query" -> {
-                    DefaultQueryDialog(context).apply {
+                    DefaultQueryDialog(requireContext()).apply {
                         onPositiveButtonClickListener = { newTags ->
                             sharedPreferences.edit().putString("default_query", newTags.toString()).apply()
                             summary = newTags.toString()
@@ -139,16 +142,23 @@ class SettingsFragment :
                     }.show()
                 }
                 "app_lock" -> {
-                    val intent = Intent(context, LockActivity::class.java)
+                    val intent = Intent(requireContext(), LockActivity::class.java)
                     activity?.startActivityForResult(intent, REQUEST_LOCK)
                 }
                 "mirrors" -> {
-                    MirrorDialog(context)
+                    MirrorDialog(requireContext())
                         .show()
                 }
+                "proxy" -> {
+                    ProxyDialog(requireContext())
+                        .show()
+                }
+                "nomedia" -> {
+                    File(getDownloadDirectory(context), ".nomedia").createNewFile()
+                }
                 "backup" -> {
-                    File(ContextCompat.getDataDir(context), "favorites.json").copyTo(
+                    File(ContextCompat.getDataDir(requireContext()), "favorites.json").copyTo(
-                        File(getDownloadDirectory(context), "favorites.json"),
+                        File(getDownloadDirectory(requireContext()), "favorites.json"),
                         true
                     )
 
@@ -163,6 +173,37 @@ class SettingsFragment :
 
                     activity?.startActivityForResult(intent, REQUEST_RESTORE)
                 }
+                "old_import_galleries" -> {
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+
+                        if (ContextCompat.checkSelfPermission(requireContext(), Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
+                            ActivityCompat.requestPermissions(requireActivity(), arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), REQUEST_WRITE_PERMISSION_AND_SAF)
+                        else {
+                            val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).apply {
+                                putExtra("android.content.extra.SHOW_ADVANCED", true)
+                            }
+
+                            activity?.startActivityForResult(intent, REQUEST_IMPORT_OLD_GALLERIES)
+                        }
+                    } else {    // Can't use SAF on old Androids!
+                        val config = DirectoryChooserConfig.builder()
+                            .newDirectoryName("Pupil")
+                            .allowNewDirectoryNameModification(true)
+                            .build()
+
+                        val intent = Intent(requireContext(), DirectoryChooserActivity::class.java).apply {
+                            putExtra(DirectoryChooserActivity.EXTRA_CONFIG, config)
+                        }
+
+                        activity?.startActivityForResult(intent, REQUEST_IMPORT_OLD_GALLERIES_OLD)
+                    }
+                }
+                "user_id" -> {
+                    (context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager).setPrimaryClip(
+                        ClipData.newPlainText("user_id", sharedPreference.getString("user_id", ""))
+                    )
+                    Toast.makeText(context, R.string.settings_user_id_toast, Toast.LENGTH_SHORT).show()
+                }
                 else -> return false
             }
         }
@@ -189,9 +230,18 @@ class SettingsFragment :
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+        key ?: return
+
+        with(findPreference<Preference>(key)) {
+            this ?: return
+
             when (key) {
+                "proxy" -> {
+                    summary = getProxyInfo(requireContext()).type.name
+                }
                 "dl_location" -> {
-                findPreference<Preference>(key)?.summary = getDownloadDirectory(context!!).canonicalPath
+                    summary = getDownloadDirectory(requireContext()).canonicalPath
+                }
             }
         }
     }
@@ -199,6 +249,9 @@ class SettingsFragment :
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.root_preferences, rootKey)
 
+        sharedPreference = PreferenceManager.getDefaultSharedPreferences(requireContext())
+        sharedPreference.registerOnSharedPreferenceChangeListener(this)
+
         initPreferences()
     }
 
@@ -215,43 +268,42 @@ class SettingsFragment :
 
                     when (key) {
                         "app_version" -> {
-                            val manager = context.packageManager
+                            val manager = requireContext().packageManager
-                            val info = manager.getPackageInfo(context.packageName, 0)
+                            val info = manager.getPackageInfo(requireContext().packageName, 0)
-                            summary = context.getString(R.string.settings_app_version_description, info.versionName)
+                            summary = requireContext().getString(R.string.settings_app_version_description, info.versionName)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "delete_cache" -> {
-                            val dir = File(context.cacheDir, "imageCache")
+                            val dir = File(requireContext().cacheDir, "imageCache")
                             summary = getDirSize(dir)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "delete_downloads" -> {
-                            val dir = getDownloadDirectory(context)
+                            val dir = getDownloadDirectory(requireContext())
                             summary = getDirSize(dir)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "clear_history" -> {
-                            val histories = (activity!!.application as Pupil).histories
+                            val histories = (requireActivity().application as Pupil).histories
                             summary = getString(R.string.settings_clear_history_summary, histories.size)
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "dl_location" -> {
-                            summary = getDownloadDirectory(context).canonicalPath
+                            summary = getDownloadDirectory(requireContext()).canonicalPath
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "default_query" -> {
-                            val preferences = PreferenceManager.getDefaultSharedPreferences(context)
+                            summary = sharedPreference.getString("default_query", "") ?: ""
-                            summary = preferences.getString("default_query", "") ?: ""
 
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "app_lock" -> {
-                            val lockManager = LockManager(context)
+                            val lockManager = LockManager(requireContext())
                             summary =
                                 if (lockManager.locks.isNullOrEmpty()) {
                                     getString(R.string.settings_lock_none)
@@ -270,15 +322,30 @@ class SettingsFragment :
                         "mirrors" -> {
                             onPreferenceClickListener = this@SettingsFragment
                         }
+                        "proxy" -> {
+                            summary = getProxyInfo(requireContext()).type.name
+
+                            onPreferenceClickListener = this@SettingsFragment
+                        }
                         "dark_mode" -> {
                             onPreferenceChangeListener = this@SettingsFragment
                         }
+                        "nomedia" -> {
+                            onPreferenceClickListener = this@SettingsFragment
+                        }
                         "backup" -> {
                             onPreferenceClickListener = this@SettingsFragment
                         }
                         "restore" -> {
                             onPreferenceClickListener = this@SettingsFragment
                         }
+                        "old_import_galleries" -> {
+                            onPreferenceClickListener = this@SettingsFragment
+                        }
+                        "user_id" -> {
+                            summary = sharedPreference.getString("user_id", "")
+                            onPreferenceClickListener = this@SettingsFragment
+                        }
                     }
 
                 }

app/src/main/java/xyz/quaver/pupil/util/ConstValues.kt

@@ -18,8 +18,22 @@
 
 package xyz.quaver.pupil.util
 
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonConfiguration
+import okhttp3.Dispatcher
+import okhttp3.OkHttpClient
+import xyz.quaver.proxy
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+
 const val REQUEST_LOCK = 38238
 const val REQUEST_RESTORE = 16546
+const val REQUEST_IMPORT_OLD_GALLERIES = 6458
+const val REQUEST_IMPORT_OLD_GALLERIES_OLD = 5946
 const val REQUEST_DOWNLOAD_FOLDER = 3874
 const val REQUEST_DOWNLOAD_FOLDER_OLD = 3425
 const val REQUEST_WRITE_PERMISSION_AND_SAF = 13900
+
+const val NOTIFICATION_ID_UPDATE = 2345
+
+val json = Json(JsonConfiguration.Stable)

app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt

@@ -21,26 +21,48 @@ package xyz.quaver.pupil.util.download
 import android.content.Context
 import android.content.ContextWrapper
 import android.util.Base64
-import android.util.Log
+import android.util.SparseArray
 import androidx.preference.PreferenceManager
-import kotlinx.coroutines.CoroutineScope
+import com.google.firebase.crashlytics.FirebaseCrashlytics
-import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.*
-import kotlinx.coroutines.async
-import kotlinx.coroutines.withContext
-import kotlinx.serialization.ImplicitReflectionSerializer
-import kotlinx.serialization.json.Json
-import kotlinx.serialization.parse
-import kotlinx.serialization.stringify
 import xyz.quaver.Code
 import xyz.quaver.hitomi.GalleryBlock
 import xyz.quaver.hitomi.Reader
+import xyz.quaver.proxy
 import xyz.quaver.pupil.util.getCachedGallery
 import xyz.quaver.pupil.util.getDownloadDirectory
+import xyz.quaver.pupil.util.isParentOf
+import xyz.quaver.pupil.util.json
+import java.io.BufferedInputStream
 import java.io.File
+import java.io.FileOutputStream
+import java.io.InputStream
 import java.net.URL
+import java.util.*
+import java.util.concurrent.locks.Lock
+import java.util.concurrent.locks.ReentrantLock
 
 class Cache(context: Context) : ContextWrapper(context) {
 
+    companion object {
+        private val moving = mutableListOf<Int>()
+        private val readers = SparseArray<Reader?>()
+    }
+
+    private val locks = SparseArray<Lock>()
+    private fun lock(galleryID: Int) {
+        synchronized(locks) {
+            if (locks.indexOfKey(galleryID) < 0)
+                locks.put(galleryID, ReentrantLock())
+        }
+
+        locks[galleryID].lock()
+    }
+
+    private fun unlock(galleryID: Int) {
+        locks[galleryID]?.unlock()
+    }
+
     private val preference = PreferenceManager.getDefaultSharedPreferences(this)
 
     // Search in this order
@@ -50,7 +72,6 @@ class Cache(context: Context) : ContextWrapper(context) {
             it.mkdirs()
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     fun getCachedMetadata(galleryID: Int) : Metadata? {
         val file = File(getCachedGallery(galleryID), ".metadata")
 
@@ -58,7 +79,7 @@ class Cache(context: Context) : ContextWrapper(context) {
             return null
 
         return try {
-            Json.parse(file.readText())
+            json.parse(Metadata.serializer(), file.readText())
         } catch (e: Exception) {
             //File corrupted
             file.delete()
@@ -66,24 +87,29 @@ class Cache(context: Context) : ContextWrapper(context) {
         }
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     fun setCachedMetadata(galleryID: Int, metadata: Metadata) {
+        if (preference.getBoolean("cache_disable", false))
+            return
+
         val file = File(getCachedGallery(galleryID), ".metadata").also {
             if (!it.exists())
                 it.createNewFile()
         }
 
-        file.writeText(Json.stringify(metadata))
+        file.writeText(json.stringify(Metadata.serializer(), metadata))
     }
 
     suspend fun getThumbnail(galleryID: Int): String? {
         val metadata = Cache(this).getCachedMetadata(galleryID)
 
+        @Suppress("BlockingMethodInNonBlockingContext")
         val thumbnail = if (metadata?.thumbnail == null)
             withContext(Dispatchers.IO) {
                 val thumbnails = getGalleryBlock(galleryID)?.thumbnails
                 try {
-                    Base64.encodeToString(URL(thumbnails?.firstOrNull()).readBytes(), Base64.DEFAULT)
+                    Base64.encodeToString(URL(thumbnails?.firstOrNull()).openConnection(proxy).getInputStream().use {
+                        it.readBytes()
+                    }, Base64.DEFAULT)
                 } catch (e: Exception) {
                     null
                 }
@@ -102,21 +128,29 @@ class Cache(context: Context) : ContextWrapper(context) {
     suspend fun getGalleryBlock(galleryID: Int): GalleryBlock? {
         val metadata = Cache(this).getCachedMetadata(galleryID)
 
-        val source = mapOf(
+        val sources = listOf(
-            Code.HITOMI to { xyz.quaver.hitomi.getGalleryBlock(galleryID) },
+            { xyz.quaver.hitomi.getGalleryBlock(galleryID) },
-            Code.HIYOBI to { xyz.quaver.hiyobi.getGalleryBlock(galleryID) }
+            { xyz.quaver.hiyobi.getGalleryBlock(galleryID) }
         )
 
-        val galleryBlock = if (metadata?.galleryBlock == null)
+        val galleryBlock = if (metadata?.galleryBlock == null) {
-           source.entries.map {
             CoroutineScope(Dispatchers.IO).async {
-                   kotlin.runCatching {
+                var galleryBlock: GalleryBlock? = null
-                       it.value.invoke()
+
-                   }.getOrNull()
+                for (source in sources) {
+                    galleryBlock = try {
+                        source.invoke()
+                    } catch (e: Exception) {
+                        null
+                    }
+
+                    if (galleryBlock != null)
+                        break
+                }
+
+                galleryBlock
+            }.await() ?: return null
         }
-           }.firstOrNull {
-               it.await() != null
-           }?.await()
         else
             metadata.galleryBlock
 
@@ -129,7 +163,7 @@ class Cache(context: Context) : ContextWrapper(context) {
     }
 
     fun getReaderOrNull(galleryID: Int): Reader? {
-        return getCachedMetadata(galleryID)?.reader
+        return readers[galleryID] ?: getCachedMetadata(galleryID)?.reader
     }
 
     suspend fun getReader(galleryID: Int): Reader? {
@@ -150,25 +184,34 @@ class Cache(context: Context) : ContextWrapper(context) {
                 it
         }
 
-        val reader = if (metadata?.reader == null) {
+        val reader =
-            CoroutineScope(Dispatchers.IO).async {
+            if (readers[galleryID] != null)
+                return readers[galleryID]
+            else if (metadata?.reader == null) {
                 var retval: Reader? = null
 
                 for (source in sources) {
-                    retval = kotlin.runCatching {
+                    retval = try {
+                        withContext(Dispatchers.IO) {
+                            withTimeoutOrNull(1000) {
                                     source.value.invoke()
-                    }.getOrNull()
+                            }
+                        }
+                    } catch (e: Exception) {
+                        FirebaseCrashlytics.getInstance().recordException(e)
+                        null
+                    }
 
                     if (retval != null)
                         break
                 }
 
                 retval
-            }.await()
             } else
                 metadata.reader
 
-        if (reader != null)
+        readers.put(galleryID, reader)
+
         setCachedMetadata(
             galleryID,
             Metadata(Cache(this).getCachedMetadata(galleryID), readers = reader)
@@ -177,39 +220,86 @@ class Cache(context: Context) : ContextWrapper(context) {
         return reader
     }
 
+    val imageNameRegex = Regex("""^\d+\..+$""")
     fun getImages(galleryID: Int): List<File?>? {
-        val started = System.currentTimeMillis()
         val gallery = getCachedGallery(galleryID)
-        val reader = getReaderOrNull(galleryID) ?: return null
-        val images = gallery.listFiles() ?: return null
 
-        Log.i("PUPILD", "${System.currentTimeMillis() - started} ms")
+        return gallery.list { _, name ->
-        return reader.galleryInfo.indices.map { index ->
+            imageNameRegex.matches(name)
-            images.firstOrNull { file -> file.name.startsWith("%05d".format(index)) }
+        }?.map {
+            File(gallery, it)
         }
     }
 
-    fun putImage(galleryID: Int, name: String, data: ByteArray) {
+    val imageExtensions = listOf(
-        val cache = File(getCachedGallery(galleryID), name).also {
+        "png",
+        "jpg",
+        "webp",
+        "gif"
+    )
+    fun getImage(galleryID: Int, index: Int): File? {
+        val gallery = getCachedGallery(galleryID)
+
+        for (ext in imageExtensions) {
+            File(gallery, "%05d.$ext".format(index)).let {
+                if (it.exists())
+                    return it
+            }
+        }
+
+        return null
+    }
+
+
+    fun putImage(galleryID: Int, index: Int, ext: String, data: InputStream) {
+        if (preference.getBoolean("cache_disable", false))
+            return
+
+        val cache = File(getCachedGallery(galleryID), "%05d.$ext".format(index)).also {
             if (!it.exists())
                 it.createNewFile()
         }
 
-        if (!Regex("""^[0-9]+.+$""").matches(name))
+        try {
-            throw IllegalArgumentException("File name is not a number")
+            BufferedInputStream(data).use { inputStream ->
-
+                FileOutputStream(cache).use { outputStream ->
-        cache.writeBytes(data)
+                    inputStream.copyTo(outputStream)
+                }
+            }
+        } catch (e: Exception) {
+            cache.delete()
+        }
     }
 
     fun moveToDownload(galleryID: Int) {
+        if (preference.getBoolean("cache_disable", false))
+            return
+
+        if (moving.contains(galleryID))
+            return
+
+        CoroutineScope(Dispatchers.IO).launch {
             val cache = getCachedGallery(galleryID).also {
                 if (!it.exists())
-                return
+                    return@launch
             }
-        val download = File(getDownloadDirectory(this), galleryID.toString())
+            val download = File(getDownloadDirectory(this@Cache), galleryID.toString())
 
-        cache.copyRecursively(download, true)
+            if (download.isParentOf(cache))
+                return@launch
+
+            FirebaseCrashlytics.getInstance().log("MOVING ${cache.canonicalPath} --> ${download.canonicalPath}")
+
+            cache.copyRecursively(download, true) { file, err ->
+                FirebaseCrashlytics.getInstance().log("MOVING ERROR ${file.canonicalPath} ${err.message}")
+                OnErrorAction.SKIP
+            }
+            FirebaseCrashlytics.getInstance().log("MOVED ${cache.canonicalPath}")
+
+            FirebaseCrashlytics.getInstance().log("DELETING ${cache.canonicalPath}")
             cache.deleteRecursively()
+            FirebaseCrashlytics.getInstance().log("DELETED ${cache.canonicalPath}")
+        }
     }
 
     fun isDownloading(galleryID: Int) = getCachedMetadata(galleryID)?.isDownloading == true

app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt

@@ -23,30 +23,32 @@ import android.content.Context
 import android.content.ContextWrapper
 import android.content.Intent
 import android.content.SharedPreferences
+import android.util.Log
 import android.util.SparseArray
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.TaskStackBuilder
 import androidx.preference.PreferenceManager
-import com.crashlytics.android.Crashlytics
+import com.google.firebase.crashlytics.FirebaseCrashlytics
-import io.fabric.sdk.android.Fabric
 import kotlinx.coroutines.*
 import okhttp3.*
 import okio.*
 import xyz.quaver.Code
 import xyz.quaver.hitomi.Reader
 import xyz.quaver.hitomi.getReferer
-import xyz.quaver.hitomi.urlFromUrlFromHash
+import xyz.quaver.hitomi.imageUrlFromImage
 import xyz.quaver.hiyobi.cookie
 import xyz.quaver.hiyobi.createImgList
 import xyz.quaver.hiyobi.user_agent
+import xyz.quaver.proxy
 import xyz.quaver.pupil.R
 import xyz.quaver.pupil.ui.ReaderActivity
+import java.io.File
 import java.io.IOException
-import java.util.concurrent.Executors
 import java.util.concurrent.LinkedBlockingQueue
+import java.util.concurrent.TimeUnit
 
-@UseExperimental(ExperimentalCoroutinesApi::class)
+@OptIn(ExperimentalCoroutinesApi::class)
 class DownloadWorker private constructor(context: Context) : ContextWrapper(context) {
 
     private val preferences : SharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
@@ -74,7 +76,7 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
         private var bufferedSource : BufferedSource? = null
 
         override fun contentLength() = responseBody.contentLength()
-        override fun contentType() = responseBody.contentType() ?: null
+        override fun contentType() = responseBody.contentType()
 
         override fun source(): BufferedSource {
             if (bufferedSource == null)
@@ -126,92 +128,79 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
     * SECONDARY VALUE
     *  0 <= value < 100 -> Download in progress
     *  Float.POSITIVE_INFINITY -> Download completed
-    *  Float.NaN -> Exception
     */
     val progress = SparseArray<MutableList<Float>?>()
-    /*
-    * KEY
-    *  primary galleryID
-    *  secondary index
-    * PRIMARY VALUE
-    *  MutableList -> Download in progress / Loading
-    *  null -> Gallery doesn't exist
-    * SECONDARY VALUE
-    *  Throwable -> Exception
-    *  null -> Download in progress / Loading
-    */
-    val exception = SparseArray<MutableList<Throwable?>?>()
     val notification = SparseArray<NotificationCompat.Builder>()
 
     private val loop = loop()
     private val worker = SparseArray<Job?>()
-    @Volatile var nRunners = 0
 
-    private val client = OkHttpClient.Builder()
+    val interceptor = Interceptor { chain ->
-        .addInterceptor { chain ->
         val request = chain.request()
         var response = chain.proceed(request)
 
-            var retry = preferences.getInt("retry", 3)
+        var retry = 5
         while (!response.isSuccessful && retry > 0) {
             response = chain.proceed(request)
             retry--
         }
 
         response.newBuilder()
-                .body(ProgressResponseBody(request.tag(), response.body(), progressListener))
+            .body(response.body()?.let {
-                .build()
+                ProgressResponseBody(request.tag(), it, progressListener)
+            }).build()
     }
-        .dispatcher(Dispatcher(Executors.newFixedThreadPool(4)))
+
+    val client =
+        OkHttpClient.Builder()
+            .connectTimeout(0, TimeUnit.SECONDS)
+            .addInterceptor(interceptor)
+            .readTimeout(0, TimeUnit.SECONDS)
+            .dispatcher(Dispatcher().apply {
+                maxRequests = 4
+                maxRequestsPerHost = 4
+            })
+            .proxy(proxy)
             .build()
 
     fun stop() {
         queue.clear()
 
         loop.cancel()
-        for (i in 0..worker.size()) {
+        for (i in 0 until worker.size()) {
             val galleryID = worker.keyAt(i)
 
             Cache(this@DownloadWorker).setDownloading(galleryID, false)
             worker[galleryID]?.cancel()
         }
 
-        client.dispatcher().cancelAll()
+        client.dispatcher().queuedCalls().filter {
+            it.request().tag() is Pair<*, *>
+        }.forEach {
+            it.cancel()
+        }
 
         progress.clear()
-        exception.clear()
         notification.clear()
         notificationManager.cancelAll()
-
-        nRunners = 0
-
     }
 
     fun cancel(galleryID: Int) {
         queue.remove(galleryID)
         worker[galleryID]?.cancel()
 
-        client.dispatcher().queuedCalls()
+        client.dispatcher().queuedCalls().filter {
-            .filter {
+            ((it.request().tag() as Pair<*, *>).first as Int) == galleryID
-                @Suppress("UNCHECKED_CAST")
+        }.forEach {
-                (it.request().tag() as? Pair<Int, Int>)?.first == galleryID
-            }
-            .forEach {
             it.cancel()
         }
 
         progress.remove(galleryID)
-        exception.remove(galleryID)
         notification.remove(galleryID)
         notificationManager.cancel(galleryID)
-
-        if (progress.indexOfKey(galleryID) >= 0) {
-            Cache(this@DownloadWorker).setDownloading(galleryID, false)
-            nRunners--
-        }
     }
 
-    fun isCompleted(galleryID: Int) = progress[galleryID]?.all { !it.isFinite() } == true
+    fun isCompleted(galleryID: Int) = progress[galleryID]?.all { it.isInfinite() } == true
 
     private fun queueDownload(galleryID: Int, reader: Reader, index: Int, callback: Callback) {
         val lowQuality = preferences.getBoolean("low_quality", false)
@@ -220,10 +209,10 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
             when (reader.code) {
                 Code.HITOMI -> {
                     url(
-                        urlFromUrlFromHash(
+                        imageUrlFromImage(
                             galleryID,
-                            reader.galleryInfo[index],
+                            reader.galleryInfo.files[index],
-                            if (lowQuality) "webp" else null
+                            !lowQuality
                         )
                     )
                     addHeader("Referer", getReferer(galleryID))
@@ -249,27 +238,24 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
         //gallery doesn't exist
         if (reader == null) {
             progress.put(galleryID, null)
-            exception.put(galleryID, null)
 
             Cache(this@DownloadWorker).setDownloading(galleryID, false)
-            nRunners--
             return@launch
         }
 
         val cache = Cache(this@DownloadWorker).getImages(galleryID)
 
-        progress.put(galleryID, reader.galleryInfo.indices.map { index ->
+        progress.put(galleryID, reader.galleryInfo.files.indices.map { index ->
-            if (cache?.get(index) != null)
+            if (cache?.firstOrNull { it?.nameWithoutExtension?.toIntOrNull()  == index } != null)
                 Float.POSITIVE_INFINITY
             else
                 0F
         }.toMutableList())
-        exception.put(galleryID, reader.galleryInfo.map { null }.toMutableList())
 
         if (notification[galleryID] == null)
             initNotification(galleryID)
 
-        notification[galleryID].setContentTitle(reader.title)
+        notification[galleryID].setContentTitle(reader.galleryInfo.title)
         notify(galleryID)
 
         if (isCompleted(galleryID)) {
@@ -279,45 +265,39 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
                     setDownloading(galleryID, false)
                 }
             }
-            nRunners--
 
             return@launch
         }
 
-        for (i in reader.galleryInfo.indices) {
+        for (i in reader.galleryInfo.files.indices) {
             val callback = object : Callback {
                 override fun onFailure(call: Call, e: IOException) {
-                    if (Fabric.isInitialized())
+                    if (e.message?.contains("cancel", true) != false)
-                        Crashlytics.logException(e)
+                        return
 
-                    progress[galleryID]?.set(i, Float.NaN)
+                    Log.i("PUPILD", "FAIL ${call.request().tag()} (${e.message})")
-                    exception[galleryID]?.set(i, e)
+                    FirebaseCrashlytics.getInstance().apply {
+                        log("FAIL ${call.request().tag()} (${e.message})")
+                        setCustomKey("POS", "FAIL")
+                        recordException(e)
+                    }
 
-                    notify(galleryID)
+                    cancel(galleryID)
-
+                    queue.add(galleryID)
-                    if (isCompleted(galleryID)) {
-                        with(Cache(this@DownloadWorker)) {
-                            if (isDownloading(galleryID)) {
-                                moveToDownload(galleryID)
-                                setDownloading(galleryID, false)
-                            }
-                        }
-                        nRunners--
-                    }
                 }
 
                 override fun onResponse(call: Call, response: Response) {
-                    response.body().use {
+                    val ext = call.request().url().encodedPath().split('.').last()
-                        val res = it.bytes()
-                        val ext =
-                            call.request().url().encodedPath().split('.').last()
 
-                        Cache(this@DownloadWorker).putImage(galleryID, "%05d.%s".format(i, ext), res)
+                    try {
-                        progress[galleryID]?.set(i, Float.POSITIVE_INFINITY)
+                        response.body().use {
+                            Cache(this@DownloadWorker).putImage(galleryID, i, ext, it!!.byteStream())
                         }
+                        progress[galleryID]?.set(i, Float.POSITIVE_INFINITY)
 
                         notify(galleryID)
 
+                        CoroutineScope(Dispatchers.IO).launch {
                             if (isCompleted(galleryID)) {
                                 with(Cache(this@DownloadWorker)) {
                                     if (isDownloading(galleryID)) {
@@ -325,7 +305,19 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
                                         setDownloading(galleryID, false)
                                     }
                                 }
-                        nRunners--
+                            }
+                        }
+                    } catch (e: Exception) {
+                        FirebaseCrashlytics.getInstance().apply {
+                            log("FAIL ON OK ${call.request().tag()} (${e.message})")
+                            setCustomKey("POS", "FAIL ON OK")
+                            recordException(e)
+                        }
+
+                        File(Cache(this@DownloadWorker).getCachedGallery(galleryID), "%05d.$ext".format(i)).delete()
+
+                        cancel(galleryID)
+                        queue.add(galleryID)
                     }
                 }
             }
@@ -337,13 +329,17 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
     private fun notify(galleryID: Int) {
         val max = progress[galleryID]?.size ?: 0
-        val progress = progress[galleryID]?.count { !it.isFinite() } ?: 0
+        val progress = progress[galleryID]?.count { it.isInfinite() } ?: 0
 
-        if (isCompleted(galleryID))
+        if (isCompleted(galleryID)) {
             notification[galleryID]
                 ?.setContentText(getString(R.string.reader_notification_complete))
+                ?.setSmallIcon(android.R.drawable.stat_sys_download_done)
                 ?.setProgress(0, 0, false)
-        else
+                ?.setOngoing(false)
+
+            notificationManager.cancel(galleryID)
+        } else
             notification[galleryID]
                 ?.setProgress(max, progress, false)
                 ?.setContentText("$progress/$max")
@@ -360,7 +356,7 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
         }
         val pendingIntent = TaskStackBuilder.create(this).run {
             addNextIntentWithParentStack(intent)
-            getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT)
+            getPendingIntent(galleryID, PendingIntent.FLAG_UPDATE_CURRENT)
         }
 
         notification.put(galleryID, NotificationCompat.Builder(this, "download").apply {
@@ -369,24 +365,28 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
             setSmallIcon(android.R.drawable.stat_sys_download)                                  // had to use this because old android doesn't support VectorDrawable on Notification :P
             setContentIntent(pendingIntent)
             setProgress(0, 0, true)
+            setOngoing(true)
         })
     }
 
     private fun loop() = CoroutineScope(Dispatchers.Default).launch {
         while (true) {
-            if (queue.isEmpty() || nRunners > preferences.getInt("max_download", 4))
+            if (queue.isEmpty())
                 continue
 
-            val galleryID = queue.poll() ?: continue
+            val galleryID = queue.peek() ?: continue
 
             if (progress.indexOfKey(galleryID) >= 0)    // Gallery already downloading!
-                continue
+                cancel(galleryID)
 
+            if (notification[galleryID] == null)
                 initNotification(galleryID)
+
             if (Cache(this@DownloadWorker).isDownloading(galleryID))
                 notificationManager.notify(galleryID, notification[galleryID].build())
+
             worker.put(galleryID, download(galleryID))
-            nRunners++
+            queue.poll()
         }
     }
 

app/src/main/java/xyz/quaver/pupil/util/file.kt

@@ -212,3 +212,6 @@ fun Uri.toFile(context: Context): File? {
 
     return File(context.getExternalFilesDir(null)?.canonicalPath?.substringBeforeLast("/Android/data") ?: return null, folderName)
 }
+
+fun File.isParentOf(another: File) =
+    another.absolutePath.startsWith(this.absolutePath)

app/src/main/java/xyz/quaver/pupil/util/history.kt

@@ -18,15 +18,15 @@
 
 package xyz.quaver.pupil.util
 
-import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.KSerializer
-import kotlinx.serialization.json.Json
+import kotlinx.serialization.builtins.list
-import kotlinx.serialization.json.JsonConfiguration
+import kotlinx.serialization.builtins.serializer
-import kotlinx.serialization.parseList
-import kotlinx.serialization.stringify
 import java.io.File
 
 class Histories(private val file: File) : ArrayList<Int>() {
 
+    val serializer: KSerializer<List<Int>> = Int.serializer().list
+
     init {
         if (!file.exists())
             file.parentFile?.mkdirs()
@@ -38,21 +38,20 @@ class Histories(private val file: File) : ArrayList<Int>() {
         }
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     fun load() : Histories {
         return apply {
             super.clear()
-            addAll(
+            super.addAll(
-                Json(JsonConfiguration.Stable).parseList(
+                json.parse(
+                    serializer,
                     file.bufferedReader().use { it.readText() }
                 )
             )
         }
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     fun save() {
-        file.writeText(Json(JsonConfiguration.Stable).stringify(this))
+        file.writeText(json.stringify(serializer, this))
     }
 
     override fun add(element: Int): Boolean {
@@ -68,6 +67,20 @@ class Histories(private val file: File) : ArrayList<Int>() {
         return true
     }
 
+    override fun addAll(elements: Collection<Int>): Boolean {
+        load()
+
+        for (e in elements) {
+            if (contains(e))
+                super.remove(e)
+            super.add(0, e)
+        }
+
+        save()
+
+        return true
+    }
+
     override fun remove(element: Int): Boolean {
         load()
         val retval = super.remove(element)

app/src/main/java/xyz/quaver/pupil/util/lock.kt

@@ -21,9 +21,8 @@ package xyz.quaver.pupil.util
 import android.content.Context
 import android.content.ContextWrapper
 import androidx.core.content.ContextCompat
-import kotlinx.serialization.*
+import kotlinx.serialization.Serializable
-import kotlinx.serialization.json.Json
+import kotlinx.serialization.builtins.list
-import kotlinx.serialization.json.JsonConfiguration
 import java.io.File
 import java.security.MessageDigest
 
@@ -73,7 +72,6 @@ class LockManager(base: Context): ContextWrapper(base) {
         load()
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     private fun load() {
         val lock = File(ContextCompat.getDataDir(this), "lock.json")
 
@@ -82,17 +80,16 @@ class LockManager(base: Context): ContextWrapper(base) {
             lock.writeText("[]")
         }
 
-        locks = ArrayList(Json(JsonConfiguration.Stable).parseList(lock.readText()))
+        locks = ArrayList(json.parse(Lock.serializer().list, lock.readText()))
     }
 
-    @UseExperimental(ImplicitReflectionSerializer::class)
     private fun save() {
         val lock = File(ContextCompat.getDataDir(this), "lock.json")
 
         if (!lock.exists())
             lock.createNewFile()
 
-        lock.writeText(Json(JsonConfiguration.Stable).stringify(locks?.toList() ?: listOf()))
+        lock.writeText(json.stringify(Lock.serializer().list, locks?.toList() ?: listOf()))
     }
 
     fun add(lock: Lock) {

app/src/main/java/xyz/quaver/pupil/util/misc.kt

@@ -22,7 +22,7 @@ import android.annotation.SuppressLint
 import java.util.*
 import kotlin.collections.ArrayList
 
-@UseExperimental(ExperimentalStdlibApi::class)
+@OptIn(ExperimentalStdlibApi::class)
 fun String.wordCapitalize() : String {
     val result = ArrayList<String>()
 

app/src/main/java/xyz/quaver/pupil/util/proxy.kt

@@ -0,0 +1,63 @@
+/*
+ *     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 androidx.preference.PreferenceManager
+import kotlinx.serialization.Serializable
+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 == null || port == null)
+            return Proxy.NO_PROXY
+        else
+            Proxy(type, InetSocketAddress.createUnresolved(host, port))
+    }
+
+    fun authenticator() = Authenticator { _, response ->
+        val credential = Credentials.basic(username ?: "", password ?: "")
+
+        response.request().newBuilder()
+            .header("Proxy-Authorization", credential)
+            .build()
+    }
+
+}
+
+fun getProxy(context: Context) =
+    getProxyInfo(context).proxy()
+
+fun getProxyInfo(context: Context) =
+    PreferenceManager.getDefaultSharedPreferences(context).getString("proxy", null).let {
+        if (it == null)
+            ProxyInfo(Proxy.Type.DIRECT)
+        else
+            json.parse(ProxyInfo.serializer(), it)
+    }

app/src/main/java/xyz/quaver/pupil/util/update.kt

@@ -18,32 +18,44 @@
 
 package xyz.quaver.pupil.util
 
+import android.annotation.SuppressLint
+import android.app.DownloadManager
 import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
-import android.webkit.MimeTypeMap
+import android.net.Uri
+import android.util.Base64
 import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
-import androidx.core.content.FileProvider
-import androidx.lifecycle.Lifecycle
 import androidx.preference.PreferenceManager
-import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.*
-import kotlinx.coroutines.Dispatchers
+import kotlinx.serialization.json.JsonArray
-import kotlinx.coroutines.launch
+import kotlinx.serialization.json.JsonObject
-import kotlinx.serialization.json.*
+import kotlinx.serialization.json.boolean
+import kotlinx.serialization.json.content
+import okhttp3.*
 import ru.noties.markwon.Markwon
+import xyz.quaver.hitomi.GalleryBlock
+import xyz.quaver.hitomi.Reader
+import xyz.quaver.hitomi.getGalleryBlock
+import xyz.quaver.hitomi.getReader
+import xyz.quaver.proxy
+import xyz.quaver.pupil.BroadcastReciever
 import xyz.quaver.pupil.BuildConfig
 import xyz.quaver.pupil.R
+import xyz.quaver.pupil.util.download.Cache
+import xyz.quaver.pupil.util.download.Metadata
 import java.io.File
+import java.io.IOException
 import java.net.URL
 import java.util.*
+import java.util.concurrent.TimeUnit
 
 fun getReleases(url: String) : JsonArray {
     return try {
         URL(url).readText().let {
-            Json(JsonConfiguration.Stable).parse(JsonArray.serializer(), it)
+            json.parse(JsonArray.serializer(), it)
         }
     } catch (e: Exception) {
         JsonArray(emptyList())
@@ -78,7 +90,7 @@ fun getApkUrl(releases: JsonObject) : String? {
 }
 
 const val UPDATE_NOTIFICATION_ID = 384823
-fun checkUpdate(context: AppCompatActivity, force: Boolean = false) {
+fun checkUpdate(context: Context, force: Boolean = false) {
 
     val preferences = PreferenceManager.getDefaultSharedPreferences(context)
     val ignoreUpdateUntil = preferences.getLong("ignore_update_until", 0)
@@ -140,53 +152,27 @@ fun checkUpdate(context: AppCompatActivity, force: Boolean = false) {
             setMessage(Markwon.create(context).toMarkdown(msg))
             setPositiveButton(android.R.string.yes) { _, _ ->
 
-                val notificationManager = NotificationManagerCompat.from(context)
+                val preference = PreferenceManager.getDefaultSharedPreferences(context)
-                val builder = NotificationCompat.Builder(context, "download").apply {
+
-                    setContentTitle(context.getString(R.string.update_notification_description))
+                val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
-                    setSmallIcon(android.R.drawable.stat_sys_download)
+
-                    priority = NotificationCompat.PRIORITY_LOW
+                //Cancel any download queued before
+
+                val id = preference.getLong("update_download_id", -1)
+
+                if (id != -1L)
+                    downloadManager.remove(id)
+
+                val target = File(context.getExternalFilesDir(null), "Pupil.apk").also {
+                    it.delete()
                 }
 
-                CoroutineScope(Dispatchers.IO).launch io@{
+                val request = DownloadManager.Request(Uri.parse(url))
-                    val target = File(getDownloadDirectory(context), "Pupil.apk")
+                    .setTitle(context.getText(R.string.update_notification_description))
+                    .setDestinationUri(Uri.fromFile(target))
 
-                    try {
+                downloadManager.enqueue(request).also {
-                        URL(url).download(target) { progress, fileSize ->
+                    preference.edit().putLong("update_download_id", it).apply()
-                            builder.setProgress(fileSize.toInt(), progress.toInt(), false)
-                            notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
-                        }
-                    } catch (e: Exception) {
-                        builder.apply {
-                            setContentText(context.getString(R.string.update_failed))
-                            setMessage(context.getString(R.string.update_failed_message))
-                            setSmallIcon(android.R.drawable.stat_sys_download_done)
-                        }
-
-                        notificationManager.cancel(UPDATE_NOTIFICATION_ID)
-                        notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
-
-                        return@io
-                    }
-
-                    val install = Intent(Intent.ACTION_VIEW).apply {
-                        flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_GRANT_READ_URI_PERMISSION
-                        setDataAndType(FileProvider.getUriForFile(context, context.applicationContext.packageName + ".provider", target), MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"))
-                    }
-
-                    builder.apply {
-                        setContentIntent(PendingIntent.getActivity(context, 0, install, 0))
-                        setProgress(0, 0, false)
-                        setSmallIcon(android.R.drawable.stat_sys_download_done)
-                        setContentTitle(context.getString(R.string.update_download_completed))
-                        setContentText(context.getString(R.string.update_download_completed_description))
-                    }
-
-                    notificationManager.cancel(UPDATE_NOTIFICATION_ID)
-
-                    if (context.lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED))
-                        context.startActivity(install)
-                    else
-                        notificationManager.notify(UPDATE_NOTIFICATION_ID, builder.build())
                 }
             }
             setNegativeButton(if (force) android.R.string.no else R.string.ignore_update) { _, _ ->
@@ -202,3 +188,148 @@ fun checkUpdate(context: AppCompatActivity, force: Boolean = false) {
         }
     }
 }
+
+var cancelImport = false
+@SuppressLint("RestrictedApi")
+fun importOldGalleries(context: Context, folder: File) = CoroutineScope(Dispatchers.IO).launch {
+    val client = OkHttpClient.Builder()
+        .connectTimeout(0, TimeUnit.SECONDS)
+        .readTimeout(0, TimeUnit.SECONDS)
+        .proxy(proxy)
+        .build()
+
+    val cancelIntent = Intent(context, BroadcastReciever::class.java).apply {
+        action = BroadcastReciever.ACTION_CANCEL_IMPORT
+        putExtra(BroadcastReciever.EXTRA_IMPORT_NOTIFICATION_ID, 0)
+    }
+    val pendingIntent = PendingIntent.getBroadcast(context, 0, cancelIntent, 0)
+
+    val notificationManager = NotificationManagerCompat.from(context)
+    val notificationBuilder = NotificationCompat.Builder(context, "import").apply {
+        setContentTitle(context.getText(R.string.import_old_galleries_notification))
+        setProgress(0, 0, true)
+        setSmallIcon(R.drawable.ic_notification)
+        addAction(0, context.getText(android.R.string.cancel), pendingIntent)
+        setOngoing(true)
+    }
+
+    notificationManager.notify(0, notificationBuilder.build())
+
+    if (!folder.isDirectory)
+        return@launch
+
+    val galleryRegex = Regex("""[0-9]+$""")
+    val imageRegex = Regex("""^[0-9]+\..+$""")
+    var size = 0
+    fun setProgress(progress: Int) {
+        notificationBuilder.apply {
+            setContentText(
+                context.getString(
+                    R.string.import_old_galleries_notification_text,
+                    progress,
+                    size
+                )
+            )
+            setProgress(size, progress, false)
+        }
+
+        notificationManager.notify(0, notificationBuilder.build())
+    }
+
+    folder.listFiles { _, name ->
+        galleryRegex.matches(name)
+    }?.also {
+        size = it.size
+        setProgress(0)
+    }?.forEachIndexed { index, gallery ->
+        if (cancelImport)
+            return@forEachIndexed
+
+        setProgress(index)
+
+        val galleryID = gallery.name.toIntOrNull() ?: return@forEachIndexed
+
+        File(getDownloadDirectory(context), galleryID.toString()).mkdirs()
+
+        val reader = async {
+            kotlin.runCatching {
+                json.parse(Reader.serializer(), File(gallery, "reader.json").readText())
+            }.getOrElse {
+                getReader(galleryID)
+            }
+        }
+        val galleryBlock = async {
+            kotlin.runCatching {
+                json.parse(GalleryBlock.serializer(), File(gallery, "galleryBlock.json").readText())
+            }.getOrElse {
+                getGalleryBlock(galleryID)
+            }
+        }
+        @Suppress("NAME_SHADOWING")
+        val thumbnail = async thumbnail@{
+            val galleryBlock = galleryBlock.await()
+
+            Base64.encodeToString(try {
+                File(gallery, "thumbnail.jpg").readBytes()
+            } catch (e: Exception) {
+                val url = galleryBlock?.thumbnails?.firstOrNull()
+
+                if (url == null)
+                    null
+                else {
+                    val request = Request.Builder().url(url).build()
+
+                    var done = false
+                    var result: ByteArray? = null
+                    client.newCall(request).enqueue(object : Callback {
+                        override fun onFailure(call: Call?, e: IOException?) {
+                            done = true
+                        }
+
+                        override fun onResponse(call: Call?, response: Response?) {
+                            result = response?.body()?.use {
+                                it.bytes()
+                            }
+                            done = true
+                        }
+                    })
+
+                    if (!done)
+                        yield()
+
+                    result
+                }
+            } ?: return@thumbnail null, Base64.DEFAULT)
+        }
+
+        Cache(context).setCachedMetadata(galleryID,
+            Metadata(
+                thumbnail.await(),
+                galleryBlock.await(),
+                reader.await()
+            )
+        )
+
+        File(gallery, "images").listFiles { _, name ->
+            imageRegex.matches(name)
+        }?.forEach {
+            if (cancelImport)
+                return@forEach
+
+            @Suppress("NAME_SHADOWING")
+            val index = it.nameWithoutExtension.toIntOrNull() ?: return@forEach
+
+            Cache(context).putImage(galleryID, index, it.extension, it.inputStream())
+        }
+    }
+
+    notificationBuilder.apply {
+        setContentText(context.getText(R.string.import_old_galleries_notification_done))
+        setProgress(0, 0, false)
+        setOngoing(false)
+        mActions.clear()
+    }
+    notificationManager.notify(0, notificationBuilder.build())
+
+    cancelImport = false
+}

app/src/main/res/anim/shake.xml

@@ -0,0 +1,24 @@
+<?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" />

app/src/main/res/anim/shake_cycle.xml

@@ -0,0 +1,21 @@
+<?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" />

app/src/main/res/color/lock_fab.xml

@@ -0,0 +1,23 @@
+<?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>

app/src/main/res/drawable/account_group.xml

@@ -0,0 +1,8 @@
+<!-- drawable/account_group.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="?attr/colorControlNormal" android:pathData="M12,5.5A3.5,3.5 0 0,1 15.5,9A3.5,3.5 0 0,1 12,12.5A3.5,3.5 0 0,1 8.5,9A3.5,3.5 0 0,1 12,5.5M5,8C5.56,8 6.08,8.15 6.53,8.42C6.38,9.85 6.8,11.27 7.66,12.38C7.16,13.34 6.16,14 5,14A3,3 0 0,1 2,11A3,3 0 0,1 5,8M19,8A3,3 0 0,1 22,11A3,3 0 0,1 19,14C17.84,14 16.84,13.34 16.34,12.38C17.2,11.27 17.62,9.85 17.47,8.42C17.92,8.15 18.44,8 19,8M5.5,18.25C5.5,16.18 8.41,14.5 12,14.5C15.59,14.5 18.5,16.18 18.5,18.25V20H5.5V18.25M0,20V18.5C0,17.11 1.89,15.94 4.45,15.6C3.86,16.28 3.5,17.22 3.5,18.25V20H0M24,20H20.5V18.25C20.5,17.22 20.14,16.28 19.55,15.6C22.11,15.94 24,17.11 24,18.5V20Z" />
+</vector>

app/src/main/res/drawable/account_star.xml

@@ -0,0 +1,8 @@
+<!-- drawable/account_star.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="?attr/colorControlNormal" android:pathData="M15,14C12.33,14 7,15.33 7,18V20H23V18C23,15.33 17.67,14 15,14M15,12A4,4 0 0,0 19,8A4,4 0 0,0 15,4A4,4 0 0,0 11,8A4,4 0 0,0 15,12M5,13.28L7.45,14.77L6.8,11.96L9,10.08L6.11,9.83L5,7.19L3.87,9.83L1,10.08L3.18,11.96L2.5,14.77L5,13.28Z" />
+</vector>

app/src/main/res/drawable/backspace_outline.xml

@@ -0,0 +1,8 @@
+<!-- drawable/backspace_outline.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#000" android:pathData="M19,15.59L17.59,17L14,13.41L10.41,17L9,15.59L12.59,12L9,8.41L10.41,7L14,10.59L17.59,7L19,8.41L15.41,12L19,15.59M22,3A2,2 0 0,1 24,5V19A2,2 0 0,1 22,21H7C6.31,21 5.77,20.64 5.41,20.11L0,12L5.41,3.88C5.77,3.35 6.31,3 7,3H22M22,5H7L2.28,12L7,19H22V5Z" />
+</vector>

app/src/main/res/drawable/book_open.xml

@@ -0,0 +1,8 @@
+<!-- drawable/book_open.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="?attr/colorControlNormal" android:pathData="M13,12H20V13.5H13M13,9.5H20V11H13M13,14.5H20V16H13M21,4H3A2,2 0 0,0 1,6V19A2,2 0 0,0 3,21H21A2,2 0 0,0 23,19V6A2,2 0 0,0 21,4M21,19H12V6H21" />
+</vector>

app/src/main/res/drawable/brush.xml

@@ -0,0 +1,8 @@
+<!-- drawable/brush.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="?attr/colorControlNormal" android:pathData="M20.71,4.63L19.37,3.29C19,2.9 18.35,2.9 17.96,3.29L9,12.25L11.75,15L20.71,6.04C21.1,5.65 21.1,5 20.71,4.63M7,14A3,3 0 0,0 4,17C4,18.31 2.84,19 2,19C2.92,20.22 4.5,21 6,21A4,4 0 0,0 10,17A3,3 0 0,0 7,14Z" />
+</vector>

app/src/main/res/drawable/cancel.xml

@@ -0,0 +1,8 @@
+<!-- drawable/cancel.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#fff" android:pathData="M12,2A10,10 0 0,1 22,12A10,10 0 0,1 12,22A10,10 0 0,1 2,12A10,10 0 0,1 12,2M12,4A8,8 0 0,0 4,12C4,13.85 4.63,15.55 5.68,16.91L16.91,5.68C15.55,4.63 13.85,4 12,4M12,20A8,8 0 0,0 20,12C20,10.15 19.37,8.45 18.32,7.09L7.09,18.32C8.45,19.37 10.15,20 12,20Z" />
+</vector>