116 lines
3.7 KiB
Kotlin
116 lines
3.7 KiB
Kotlin
/*
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* Pupil, Hitomi.la viewer for Android
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* Copyright (C) 2020 tom5079
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package xyz.quaver.pupil.sources
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import android.app.Application
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import android.content.Context
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import android.content.pm.PackageInfo
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import android.content.pm.PackageManager
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import android.graphics.drawable.Drawable
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import androidx.compose.runtime.*
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import androidx.compose.ui.platform.LocalContext
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import dalvik.system.PathClassLoader
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import kotlinx.coroutines.delay
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import xyz.quaver.pupil.sources.core.Source
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private const val SOURCES_FEATURE = "pupil.sources"
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private const val SOURCES_PACKAGE_PREFIX = "xyz.quaver.pupil.sources"
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private const val SOURCES_PATH = "pupil.sources.path"
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data class SourceEntry(
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val packageName: String,
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val packagePath: String,
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val sourceName: String,
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val sourcePath: String,
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val sourceDir: String,
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val icon: Drawable,
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val version: String
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)
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val PackageInfo.isSourceFeatureEnabled
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get() = this.reqFeatures.orEmpty().any { it.name == SOURCES_FEATURE }
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fun loadSource(context: Context, packageInfo: PackageInfo): List<SourceEntry> {
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val packageManager = context.packageManager
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val applicationInfo = packageInfo.applicationInfo
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val packageName = packageManager.getApplicationLabel(applicationInfo).toString().substringAfter("[Pupil] ")
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val packagePath = packageInfo.packageName
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val icon = packageManager.getApplicationIcon(applicationInfo)
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val version = packageInfo.versionName
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return packageInfo
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.applicationInfo
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.metaData
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?.getString(SOURCES_PATH)
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?.split(';')
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?.map { source ->
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val (sourceName, sourcePath) = source.split(':', limit = 2)
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SourceEntry(
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packageName,
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packagePath,
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sourceName,
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sourcePath,
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applicationInfo.sourceDir,
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icon,
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version
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)
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}.orEmpty()
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}
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fun loadSource(context: Context, sourceEntry: SourceEntry): Source {
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val classLoader = PathClassLoader(sourceEntry.sourceDir, null, context.classLoader)
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return Class.forName("${sourceEntry.packagePath}${sourceEntry.sourcePath}", false, classLoader)
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.getConstructor(Application::class.java)
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.newInstance(context.applicationContext) as Source
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}
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fun updateSources(context: Context): List<SourceEntry> {
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val packageManager = context.packageManager
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val packages = packageManager.getInstalledPackages(
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PackageManager.GET_CONFIGURATIONS or PackageManager.GET_META_DATA
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)
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return packages.flatMap { packageInfo ->
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if (packageInfo.isSourceFeatureEnabled)
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loadSource(context, packageInfo)
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else
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emptyList()
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}
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}
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@Composable
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fun rememberSources(): State<List<SourceEntry>> {
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val sources = remember { mutableStateOf<List<SourceEntry>>(emptyList()) }
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val context = LocalContext.current
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LaunchedEffect(Unit) {
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while (true) {
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sources.value = updateSources(context)
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delay(1000)
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}
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}
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return sources
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} |