Update parsers

(cherry picked from commit 451a155e08)

.github/FUNDING.yml

@@ -1,2 +0,0 @@
-ko_fi: xtimms
-custom: ["https://yoomoney.ru/to/410012543938752"]

.gitignore

@@ -15,6 +15,7 @@
 /.idea/kotlinc.xml
 /.idea/deploymentTargetDropDown.xml
 /.idea/androidTestResultsUserPreferences.xml
+/.idea/deploymentTargetSelector.xml
 /.idea/render.experimental.xml
 /.idea/inspectionProfiles/
 .DS_Store

app/build.gradle

@@ -16,12 +16,13 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 34
-		versionCode = 577
-		versionName = '6.1'
+		versionCode = 606
+		versionName = '6.5'
 		generatedDensities = []
-		testInstrumentationRunner "org.koitharu.kotatsu.HiltTestRunner"
+		testInstrumentationRunner 'org.koitharu.kotatsu.HiltTestRunner'
 		ksp {
-			arg("room.schemaLocation", "$projectDir/schemas")
+			arg('room.generateKotlin', 'true')
+			arg('room.schemaLocation', "$projectDir/schemas")
 		}
 		androidResources {
 			generateLocaleConfig true
@@ -32,7 +33,6 @@ android {
 			applicationIdSuffix = '.debug'
 		}
 		release {
-			multiDexEnabled false
 			minifyEnabled true
 			shrinkResources true
 			proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -47,11 +47,12 @@ android {
 		main.java.srcDirs += 'src/main/kotlin/'
 	}
 	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_17
-		targetCompatibility JavaVersion.VERSION_17
+		coreLibraryDesugaringEnabled true
+		sourceCompatibility JavaVersion.VERSION_1_8
+		targetCompatibility JavaVersion.VERSION_1_8
 	}
 	kotlinOptions {
-		jvmTarget = JavaVersion.VERSION_17.toString()
+		jvmTarget = JavaVersion.VERSION_1_8.toString()
 		freeCompilerArgs += [
 			'-opt-in=kotlin.ExperimentalStdlibApi',
 			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
@@ -81,32 +82,31 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:aae3fa3b05') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:42ecf8a958') {
 		exclude group: 'org.json', module: 'json'
 	}
 
-	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.9.10'
+	coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
+	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.9.21'
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3'
 
 	implementation 'androidx.appcompat:appcompat:1.6.1'
-	implementation 'androidx.core:core-ktx:1.10.1'
-	implementation 'androidx.activity:activity-ktx:1.7.2'
-	implementation 'androidx.fragment:fragment-ktx:1.6.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.6.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.6.1'
+	implementation 'androidx.core:core-ktx:1.12.0'
+	implementation 'androidx.activity:activity-ktx:1.8.1'
+	implementation 'androidx.fragment:fragment-ktx:1.6.2'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2'
+	implementation 'androidx.lifecycle:lifecycle-service:2.6.2'
+	implementation 'androidx.lifecycle:lifecycle-process:2.6.2'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-	implementation 'androidx.recyclerview:recyclerview:1.3.1'
+	implementation 'androidx.recyclerview:recyclerview:1.3.2'
 	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta02'
 	implementation 'androidx.preference:preference-ktx:1.2.1'
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha05'
-	implementation 'com.google.android.material:material:1.9.0'
-	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.1'
+	implementation 'com.google.android.material:material:1.10.0'
+	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.2'
 
-	// TODO https://issuetracker.google.com/issues/254846063
-	implementation 'androidx.work:work-runtime-ktx:2.8.1'
+	implementation 'androidx.work:work-runtime:2.9.0'
 	//noinspection GradleDependency
 	implementation('com.google.guava:guava:32.0.1-android') {
 		exclude group: 'com.google.guava', module: 'failureaccess'
@@ -114,35 +114,35 @@ dependencies {
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
 	}
 
-	implementation 'androidx.room:room-runtime:2.5.2'
-	implementation 'androidx.room:room-ktx:2.5.2'
-	ksp 'androidx.room:room-compiler:2.5.2'
+	implementation 'androidx.room:room-runtime:2.6.1'
+	implementation 'androidx.room:room-ktx:2.6.1'
+	ksp 'androidx.room:room-compiler:2.6.1'
 
-	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
-	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
-	implementation 'com.squareup.okio:okio:3.5.0'
+	implementation 'com.squareup.okhttp3:okhttp:4.12.0'
+	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.12.0'
+	implementation 'com.squareup.okio:okio:3.6.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'com.google.dagger:hilt-android:2.47'
-	kapt 'com.google.dagger:hilt-compiler:2.47'
-	implementation 'androidx.hilt:hilt-work:1.0.0'
-	kapt 'androidx.hilt:hilt-compiler:1.0.0'
+	implementation 'com.google.dagger:hilt-android:2.49'
+	kapt 'com.google.dagger:hilt-compiler:2.49'
+	implementation 'androidx.hilt:hilt-work:1.1.0'
+	kapt 'androidx.hilt:hilt-compiler:1.1.0'
 
-	implementation 'io.coil-kt:coil-base:2.4.0'
-	implementation 'io.coil-kt:coil-svg:2.4.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:9b1d20be67'
+	implementation 'io.coil-kt:coil-base:2.5.0'
+	implementation 'io.coil-kt:coil-svg:2.5.0'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:02e6d6cfe9'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.11.1'
-	implementation 'ch.acra:acra-dialog:5.11.1'
+	implementation 'ch.acra:acra-http:5.11.3'
+	implementation 'ch.acra:acra-dialog:5.11.3'
 
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20230618'
+	testImplementation 'org.json:json:20231013'
 	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
 	androidTestImplementation 'androidx.test:runner:1.5.2'
@@ -152,9 +152,9 @@ dependencies {
 
 	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.2'
+	androidTestImplementation 'androidx.room:room-testing:2.6.1'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.47'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.47'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.49'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.49'
 }

app/proguard-rules.pro

@@ -18,3 +18,6 @@
 -keep class org.koitharu.kotatsu.core.exceptions.* { *; }
 -keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment
 -keep class org.koitharu.kotatsu.core.prefs.ScreenshotsPolicy { *; }
+-keep class org.koitharu.kotatsu.settings.backup.PeriodicalBackupSettingsFragment { *; }
+-keep class org.jsoup.parser.Tag
+-keep class org.jsoup.internal.StringUtil

app/src/androidTest/kotlin/org/koitharu/kotatsu/settings/backup/AppBackupAgentTest.kt

@@ -82,7 +82,7 @@ class AppBackupAgentTest {
 		assertEquals(history, historyRepository.getOne(SampleData.manga))
 		assertEquals(listOf(SampleData.manga), favouritesRepository.getManga(category.id))
 
-		val allTags = database.tagsDao.findTags(SampleData.tag.source.name).toMangaTags()
+		val allTags = database.getTagsDao().findTags(SampleData.tag.source.name).toMangaTags()
 		assertTrue(SampleData.tag in allTags)
 	}
 

app/src/debug/kotlin/org/koitharu/kotatsu/core/parser/DummyParser.kt

@@ -5,6 +5,7 @@ import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.MangaTag
@@ -19,19 +20,14 @@ class DummyParser(context: MangaLoaderContext) : MangaParser(context, MangaSourc
 	override val configKeyDomain: ConfigKey.Domain
 		get() = ConfigKey.Domain("")
 
-	override val sortOrders: Set<SortOrder>
+	override val availableSortOrders: Set<SortOrder>
 		get() = EnumSet.allOf(SortOrder::class.java)
 
 	override suspend fun getDetails(manga: Manga): Manga {
 		TODO("Not yet implemented")
 	}
 
-	override suspend fun getList(
-		offset: Int,
-		query: String?,
-		tags: Set<MangaTag>?,
-		sortOrder: SortOrder,
-	): List<Manga> {
+	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
 		TODO("Not yet implemented")
 	}
 
@@ -39,7 +35,7 @@ class DummyParser(context: MangaLoaderContext) : MangaParser(context, MangaSourc
 		TODO("Not yet implemented")
 	}
 
-	override suspend fun getTags(): Set<MangaTag> {
+	override suspend fun getAvailableTags(): Set<MangaTag> {
 		TODO("Not yet implemented")
 	}
 }

app/src/main/AndroidManifest.xml

@@ -19,6 +19,7 @@
 	<uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
 	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 	<uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+	<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 	<uses-permission
 		android:name="android.permission.WRITE_EXTERNAL_STORAGE"
 		android:maxSdkVersion="29" />
@@ -82,6 +83,16 @@
 				<data android:host="kotatsu.app" />
 				<data android:path="/manga" />
 			</intent-filter>
+			<intent-filter>
+				<action android:name="android.intent.action.VIEW" />
+
+				<category android:name="android.intent.category.DEFAULT" />
+				<category android:name="android.intent.category.BROWSABLE" />
+
+				<data android:scheme="kotatsu" />
+				<data android:host="manga" />
+				<data android:host="kotatsu.app" />
+			</intent-filter>
 		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.reader.ui.ReaderActivity"
@@ -95,7 +106,12 @@
 			android:label="@string/search" />
 		<activity
 			android:name="org.koitharu.kotatsu.search.ui.MangaListActivity"
-			android:label="@string/search_manga" />
+			android:exported="true"
+			android:label="@string/manga_list">
+			<intent-filter>
+				<action android:name="${applicationId}.action.EXPLORE_MANGA" />
+			</intent-filter>
+		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.history.ui.HistoryActivity"
 			android:label="@string/history" />
@@ -138,8 +154,8 @@
 			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.browser.cloudflare.CloudFlareActivity"
-			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
 			android:autoRemoveFromRecents="true"
+			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
 			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity"
@@ -205,6 +221,9 @@
 			</intent-filter>
 
 		</activity>
+		<activity
+			android:name="org.koitharu.kotatsu.settings.sources.catalog.SourcesCatalogActivity"
+			android:label="@string/sources_catalog" />
 
 		<service
 			android:name="androidx.work.impl.foreground.SystemForegroundService"
@@ -314,6 +333,20 @@
 				android:name="android.appwidget.provider"
 				android:resource="@xml/widget_recent" />
 		</receiver>
+		<receiver
+			android:name="org.koitharu.kotatsu.settings.about.UpdateDownloadReceiver"
+			android:exported="true">
+			<intent-filter>
+				<action android:name="android.intent.action.DOWNLOAD_COMPLETE" />
+			</intent-filter>
+		</receiver>
+		<receiver
+			android:name="org.koitharu.kotatsu.core.ErrorReporterReceiver"
+			android:exported="false">
+			<intent-filter>
+				<action android:name="${applicationId}.action.REPORT_ERROR" />
+			</intent-filter>
+		</receiver>
 
 		<meta-data
 			android:name="android.webkit.WebView.EnableSafeBrowsing"

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/domain/Bookmark.kt

@@ -1,7 +1,7 @@
 package org.koitharu.kotatsu.bookmarks.domain
 
 import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.local.data.ImageFileFilter
+import org.koitharu.kotatsu.local.data.hasImageExtension
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import java.util.Date
@@ -38,7 +38,6 @@ data class Bookmark(
 	)
 
 	private fun isImageUrlDirect(): Boolean {
-		val extension = imageUrl.substringAfterLast('.')
-		return extension.isNotEmpty() && ImageFileFilter().isExtensionValid(extension)
+		return hasImageExtension(imageUrl)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/domain/BookmarksRepository.kt

@@ -25,15 +25,15 @@ class BookmarksRepository @Inject constructor(
 ) {
 
 	fun observeBookmark(manga: Manga, chapterId: Long, page: Int): Flow<Bookmark?> {
-		return db.bookmarksDao.observe(manga.id, chapterId, page).map { it?.toBookmark(manga) }
+		return db.getBookmarksDao().observe(manga.id, chapterId, page).map { it?.toBookmark(manga) }
 	}
 
 	fun observeBookmarks(manga: Manga): Flow<List<Bookmark>> {
-		return db.bookmarksDao.observe(manga.id).mapItems { it.toBookmark(manga) }
+		return db.getBookmarksDao().observe(manga.id).mapItems { it.toBookmark(manga) }
 	}
 
 	fun observeBookmarks(): Flow<Map<Manga, List<Bookmark>>> {
-		return db.bookmarksDao.observe().map { map ->
+		return db.getBookmarksDao().observe().map { map ->
 			val res = LinkedHashMap<Manga, List<Bookmark>>(map.size)
 			for ((k, v) in map) {
 				val manga = k.toManga()
@@ -46,9 +46,9 @@ class BookmarksRepository @Inject constructor(
 	suspend fun addBookmark(bookmark: Bookmark) {
 		db.withTransaction {
 			val tags = bookmark.manga.tags.toEntities()
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(bookmark.manga.toEntity(), tags)
-			db.bookmarksDao.insert(bookmark.toEntity())
+			db.getTagsDao().upsert(tags)
+			db.getMangaDao().upsert(bookmark.manga.toEntity(), tags)
+			db.getBookmarksDao().insert(bookmark.toEntity())
 		}
 	}
 
@@ -56,11 +56,11 @@ class BookmarksRepository @Inject constructor(
 		val entity = bookmark.toEntity().copy(
 			imageUrl = imageUrl,
 		)
-		db.bookmarksDao.upsert(listOf(entity))
+		db.getBookmarksDao().upsert(listOf(entity))
 	}
 
 	suspend fun removeBookmark(mangaId: Long, chapterId: Long, page: Int) {
-		check(db.bookmarksDao.delete(mangaId, chapterId, page) != 0) {
+		check(db.getBookmarksDao().delete(mangaId, chapterId, page) != 0) {
 			"Bookmark not found"
 		}
 	}
@@ -72,7 +72,7 @@ class BookmarksRepository @Inject constructor(
 	suspend fun removeBookmarks(ids: Set<Long>): ReversibleHandle {
 		val entities = ArrayList<BookmarkEntity>(ids.size)
 		db.withTransaction {
-			val dao = db.bookmarksDao
+			val dao = db.getBookmarksDao()
 			for (pageId in ids) {
 				val e = dao.find(pageId)
 				if (e != null) {
@@ -92,7 +92,7 @@ class BookmarksRepository @Inject constructor(
 			db.withTransaction {
 				for (e in entities) {
 					try {
-						db.bookmarksDao.insert(e)
+						db.getBookmarksDao().insert(e)
 					} catch (e: SQLException) {
 						e.printStackTraceDebug()
 					}

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/BookmarksActivity.kt

@@ -34,8 +34,8 @@ class BookmarksActivity :
 		val fm = supportFragmentManager
 		if (fm.findFragmentById(R.id.container) == null) {
 			fm.commit {
-				val fragment = BookmarksFragment.newInstance()
-				replace(R.id.container, fragment)
+				setReorderingAllowed(true)
+				replace(R.id.container, BookmarksFragment::class.java, null)
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/BookmarksFragment.kt

@@ -14,7 +14,6 @@ import androidx.core.view.updatePadding
 import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import coil.ImageLoader
-import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
@@ -25,8 +24,7 @@ import org.koitharu.kotatsu.core.ui.BaseFragment
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.ui.list.fastscroll.FastScroller
-import org.koitharu.kotatsu.core.ui.util.ReversibleAction
-import org.koitharu.kotatsu.core.ui.util.reverseAsync
+import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.FragmentListSimpleBinding
@@ -38,7 +36,6 @@ import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
-import org.koitharu.kotatsu.main.ui.owners.SnackbarOwner
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import javax.inject.Inject
@@ -105,7 +102,7 @@ class BookmarksFragment :
 			viewLifecycleOwner,
 			SnackbarErrorObserver(binding.recyclerView, this)
 		)
-		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ::onActionDone)
+		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ReversibleActionObserver(binding.recyclerView))
 	}
 
 	override fun onDestroyView() {
@@ -184,17 +181,6 @@ class BookmarksFragment :
 		}
 	}
 
-	private fun onActionDone(action: ReversibleAction) {
-		val handle = action.handle
-		val length = if (handle == null) Snackbar.LENGTH_SHORT else Snackbar.LENGTH_LONG
-		val snackbar =
-			Snackbar.make((activity as SnackbarOwner).snackbarHost, action.stringResId, length)
-		if (handle != null) {
-			snackbar.setAction(R.string.undo) { handle.reverseAsync() }
-		}
-		snackbar.show()
-	}
-
 	private inner class SpanSizeLookup : GridLayoutManager.SpanSizeLookup(), Runnable {
 
 		init {

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/sheet/BookmarksSheetViewModel.kt

@@ -35,6 +35,7 @@ class BookmarksSheetViewModel @Inject constructor(
 
 	val content: StateFlow<List<ListModel>> = bookmarksRepository.observeBookmarks(manga)
 		.map { mapList(it) }
+		.withErrorHandling()
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, listOf(LoadingFooter()))
 
 	private suspend fun mapList(bookmarks: List<Bookmark>): List<ListModel> {

app/src/main/kotlin/org/koitharu/kotatsu/browser/cloudflare/CloudFlareActivity.kt

@@ -48,8 +48,8 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		if (!catchingWebViewUnavailability {
 				setContentView(
 					ActivityBrowserBinding.inflate(
-						layoutInflater
-					)
+						layoutInflater,
+					),
 				)
 			}) {
 			return
@@ -82,9 +82,11 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 	}
 
 	override fun onDestroy() {
-		viewBinding.webView.run {
-			stopLoading()
-			destroy()
+		runCatching {
+			viewBinding.webView
+		}.onSuccess {
+			it.stopLoading()
+			it.destroy()
 		}
 		super.onDestroy()
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/BaseApp.kt

@@ -11,6 +11,7 @@ import androidx.work.WorkManager
 import dagger.hilt.android.HiltAndroidApp
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.acra.ACRA
 import org.acra.ReportField
 import org.acra.config.dialog
@@ -39,7 +40,7 @@ open class BaseApp : Application(), Configuration.Provider {
 	lateinit var activityLifecycleCallbacks: Set<@JvmSuppressWildcards ActivityLifecycleCallbacks>
 
 	@Inject
-	lateinit var database: MangaDatabase
+	lateinit var database: Provider<MangaDatabase>
 
 	@Inject
 	lateinit var settings: AppSettings
@@ -51,21 +52,31 @@ open class BaseApp : Application(), Configuration.Provider {
 	lateinit var appValidator: AppValidator
 
 	@Inject
-	lateinit var workScheduleManager: WorkScheduleManager
+	lateinit var workScheduleManager: Provider<WorkScheduleManager>
 
 	@Inject
 	lateinit var workManagerProvider: Provider<WorkManager>
 
+	override val workManagerConfiguration: Configuration
+		get() = Configuration.Builder()
+			.setWorkerFactory(workerFactory)
+			.build()
+
 	override fun onCreate() {
 		super.onCreate()
-		ACRA.errorReporter.putCustomData("isOriginalApp", appValidator.isOriginalApp.toString())
 		AppCompatDelegate.setDefaultNightMode(settings.theme)
 		AppCompatDelegate.setApplicationLocales(settings.appLocales)
 		setupActivityLifecycleCallbacks()
+		processLifecycleScope.launch {
+			val isOriginalApp = withContext(Dispatchers.Default) {
+				appValidator.isOriginalApp
+			}
+			ACRA.errorReporter.putCustomData("isOriginalApp", isOriginalApp.toString())
+		}
 		processLifecycleScope.launch(Dispatchers.Default) {
 			setupDatabaseObservers()
 		}
-		workScheduleManager.init()
+		workScheduleManager.get().init()
 		WorkServiceStopHelper(workManagerProvider).setup()
 	}
 
@@ -74,13 +85,6 @@ open class BaseApp : Application(), Configuration.Provider {
 		initAcra {
 			buildConfigClass = BuildConfig::class.java
 			reportFormat = StringFormat.JSON
-			excludeMatchingSharedPreferencesKeys = listOf(
-				"sources_\\w+",
-				AppSettings.KEY_APP_PASSWORD,
-				AppSettings.KEY_PROXY_LOGIN,
-				AppSettings.KEY_PROXY_ADDRESS,
-				AppSettings.KEY_PROXY_PASSWORD,
-			)
 			httpSender {
 				uri = getString(R.string.url_error_report)
 				basicAuthLogin = getString(R.string.acra_login)
@@ -97,7 +101,6 @@ open class BaseApp : Application(), Configuration.Provider {
 				ReportField.STACK_TRACE,
 				ReportField.CRASH_CONFIGURATION,
 				ReportField.CUSTOM_DATA,
-				ReportField.SHARED_PREFERENCES,
 			)
 
 			dialog {
@@ -110,15 +113,9 @@ open class BaseApp : Application(), Configuration.Provider {
 		}
 	}
 
-	override fun getWorkManagerConfiguration(): Configuration {
-		return Configuration.Builder()
-			.setWorkerFactory(workerFactory)
-			.build()
-	}
-
 	@WorkerThread
 	private fun setupDatabaseObservers() {
-		val tracker = database.invalidationTracker
+		val tracker = database.get().invalidationTracker
 		databaseObservers.forEach {
 			tracker.addObserver(it)
 		}

app/src/main/kotlin/org/koitharu/kotatsu/core/ErrorReporterReceiver.kt

@@ -0,0 +1,33 @@
+package org.koitharu.kotatsu.core
+
+import android.app.PendingIntent
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import androidx.core.app.PendingIntentCompat
+import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.core.util.ext.getSerializableExtraCompat
+import org.koitharu.kotatsu.core.util.ext.report
+
+class ErrorReporterReceiver : BroadcastReceiver() {
+
+	override fun onReceive(context: Context?, intent: Intent?) {
+		val e = intent?.getSerializableExtraCompat<Throwable>(EXTRA_ERROR) ?: return
+		e.report()
+	}
+
+	companion object {
+
+		private const val EXTRA_ERROR = "err"
+		private const val ACTION_REPORT = "${BuildConfig.APPLICATION_ID}.action.REPORT_ERROR"
+
+		fun getPendingIntent(context: Context, e: Throwable): PendingIntent {
+			val intent = Intent(context, ErrorReporterReceiver::class.java)
+			intent.setAction(ACTION_REPORT)
+			intent.setData(Uri.parse("err://${e.hashCode()}"))
+			intent.putExtra(EXTRA_ERROR, e)
+			return checkNotNull(PendingIntentCompat.getBroadcast(context, 0, intent, 0, false))
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/BackupEntry.kt

@@ -3,17 +3,20 @@ package org.koitharu.kotatsu.core.backup
 import org.json.JSONArray
 
 class BackupEntry(
-	val name: String,
+	val name: Name,
 	val data: JSONArray
 ) {
 
-	companion object Names {
+	enum class Name(
+		val key: String,
+	) {
 
-		const val INDEX = "index"
-		const val HISTORY = "history"
-		const val CATEGORIES = "categories"
-		const val FAVOURITES = "favourites"
-		const val SETTINGS = "settings"
-		const val BOOKMARKS = "bookmarks"
+		INDEX("index"),
+		HISTORY("history"),
+		CATEGORIES("categories"),
+		FAVOURITES("favourites"),
+		SETTINGS("settings"),
+		BOOKMARKS("bookmarks"),
+		SOURCES("sources"),
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/BackupRepository.kt

@@ -7,8 +7,10 @@ import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.parsers.util.json.JSONIterator
+import org.koitharu.kotatsu.parsers.util.json.getLongOrDefault
 import org.koitharu.kotatsu.parsers.util.json.mapJSON
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import java.util.Date
 import javax.inject.Inject
 
 private const val PAGE_SIZE = 10
@@ -20,9 +22,9 @@ class BackupRepository @Inject constructor(
 
 	suspend fun dumpHistory(): BackupEntry {
 		var offset = 0
-		val entry = BackupEntry(BackupEntry.HISTORY, JSONArray())
+		val entry = BackupEntry(BackupEntry.Name.HISTORY, JSONArray())
 		while (true) {
-			val history = db.historyDao.findAll(offset, PAGE_SIZE)
+			val history = db.getHistoryDao().findAll(offset, PAGE_SIZE)
 			if (history.isEmpty()) {
 				break
 			}
@@ -41,8 +43,8 @@ class BackupRepository @Inject constructor(
 	}
 
 	suspend fun dumpCategories(): BackupEntry {
-		val entry = BackupEntry(BackupEntry.CATEGORIES, JSONArray())
-		val categories = db.favouriteCategoriesDao.findAll()
+		val entry = BackupEntry(BackupEntry.Name.CATEGORIES, JSONArray())
+		val categories = db.getFavouriteCategoriesDao().findAll()
 		for (item in categories) {
 			entry.data.put(JsonSerializer(item).toJson())
 		}
@@ -51,9 +53,9 @@ class BackupRepository @Inject constructor(
 
 	suspend fun dumpFavourites(): BackupEntry {
 		var offset = 0
-		val entry = BackupEntry(BackupEntry.FAVOURITES, JSONArray())
+		val entry = BackupEntry(BackupEntry.Name.FAVOURITES, JSONArray())
 		while (true) {
-			val favourites = db.favouritesDao.findAll(offset, PAGE_SIZE)
+			val favourites = db.getFavouritesDao().findAll(offset, PAGE_SIZE)
 			if (favourites.isEmpty()) {
 				break
 			}
@@ -72,8 +74,8 @@ class BackupRepository @Inject constructor(
 	}
 
 	suspend fun dumpBookmarks(): BackupEntry {
-		val entry = BackupEntry(BackupEntry.BOOKMARKS, JSONArray())
-		val all = db.bookmarksDao.findAll()
+		val entry = BackupEntry(BackupEntry.Name.BOOKMARKS, JSONArray())
+		val all = db.getBookmarksDao().findAll()
 		for ((m, b) in all) {
 			val json = JSONObject()
 			val manga = JsonSerializer(m.manga).toJson()
@@ -90,7 +92,7 @@ class BackupRepository @Inject constructor(
 	}
 
 	fun dumpSettings(): BackupEntry {
-		val entry = BackupEntry(BackupEntry.SETTINGS, JSONArray())
+		val entry = BackupEntry(BackupEntry.Name.SETTINGS, JSONArray())
 		val settingsDump = settings.getAllValues().toMutableMap()
 		settingsDump.remove(AppSettings.KEY_APP_PASSWORD)
 		settingsDump.remove(AppSettings.KEY_PROXY_PASSWORD)
@@ -101,8 +103,18 @@ class BackupRepository @Inject constructor(
 		return entry
 	}
 
+	suspend fun dumpSources(): BackupEntry {
+		val entry = BackupEntry(BackupEntry.Name.SOURCES, JSONArray())
+		val all = db.getSourcesDao().findAll()
+		for (source in all) {
+			val json = JsonSerializer(source).toJson()
+			entry.data.put(json)
+		}
+		return entry
+	}
+
 	fun createIndex(): BackupEntry {
-		val entry = BackupEntry(BackupEntry.INDEX, JSONArray())
+		val entry = BackupEntry(BackupEntry.Name.INDEX, JSONArray())
 		val json = JSONObject()
 		json.put("app_id", BuildConfig.APPLICATION_ID)
 		json.put("app_version", BuildConfig.VERSION_CODE)
@@ -111,6 +123,11 @@ class BackupRepository @Inject constructor(
 		return entry
 	}
 
+	fun getBackupDate(entry: BackupEntry?): Date? {
+		val timestamp = entry?.data?.optJSONObject(0)?.getLongOrDefault("created_at", 0) ?: 0
+		return if (timestamp == 0L) null else Date(timestamp)
+	}
+
 	suspend fun restoreHistory(entry: BackupEntry): CompositeResult {
 		val result = CompositeResult()
 		for (item in entry.data.JSONIterator()) {
@@ -122,9 +139,9 @@ class BackupRepository @Inject constructor(
 			val history = JsonDeserializer(item).toHistoryEntity()
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.historyDao.upsert(history)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getHistoryDao().upsert(history)
 				}
 			}
 		}
@@ -136,7 +153,7 @@ class BackupRepository @Inject constructor(
 		for (item in entry.data.JSONIterator()) {
 			val category = JsonDeserializer(item).toFavouriteCategoryEntity()
 			result += runCatchingCancellable {
-				db.favouriteCategoriesDao.upsert(category)
+				db.getFavouriteCategoriesDao().upsert(category)
 			}
 		}
 		return result
@@ -153,9 +170,9 @@ class BackupRepository @Inject constructor(
 			val favourite = JsonDeserializer(item).toFavouriteEntity()
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.favouritesDao.upsert(favourite)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getFavouritesDao().upsert(favourite)
 				}
 			}
 		}
@@ -175,15 +192,26 @@ class BackupRepository @Inject constructor(
 			}
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.bookmarksDao.upsert(bookmarks)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getBookmarksDao().upsert(bookmarks)
 				}
 			}
 		}
 		return result
 	}
 
+	suspend fun restoreSources(entry: BackupEntry): CompositeResult {
+		val result = CompositeResult()
+		for (item in entry.data.JSONIterator()) {
+			val source = JsonDeserializer(item).toMangaSourceEntity()
+			result += runCatchingCancellable {
+				db.getSourcesDao().upsert(source)
+			}
+		}
+		return result
+	}
+
 	fun restoreSettings(entry: BackupEntry): CompositeResult {
 		val result = CompositeResult()
 		for (item in entry.data.JSONIterator()) {

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/BackupZipInput.kt

@@ -1,25 +1,44 @@
 package org.koitharu.kotatsu.core.backup
 
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.runInterruptible
 import okio.Closeable
 import org.json.JSONArray
+import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import java.io.File
+import java.util.EnumSet
 import java.util.zip.ZipFile
 
 class BackupZipInput(val file: File) : Closeable {
 
 	private val zipFile = ZipFile(file)
 
-	suspend fun getEntry(name: String): BackupEntry? = runInterruptible(Dispatchers.IO) {
-		val entry = zipFile.getEntry(name) ?: return@runInterruptible null
+	suspend fun getEntry(name: BackupEntry.Name): BackupEntry? = runInterruptible(Dispatchers.IO) {
+		val entry = zipFile.getEntry(name.key) ?: return@runInterruptible null
 		val json = zipFile.getInputStream(entry).use {
 			JSONArray(it.bufferedReader().readText())
 		}
 		BackupEntry(name, json)
 	}
 
+	suspend fun entries(): Set<BackupEntry.Name> = runInterruptible(Dispatchers.IO) {
+		zipFile.entries().toList().mapNotNullTo(EnumSet.noneOf(BackupEntry.Name::class.java)) { ze ->
+			BackupEntry.Name.entries.find { it.key == ze.name }
+		}
+	}
+
 	override fun close() {
 		zipFile.close()
 	}
+
+	fun cleanupAsync() {
+		processLifecycleScope.launch(Dispatchers.IO, CoroutineStart.ATOMIC) {
+			runCatching {
+				close()
+				file.delete()
+			}
+		}
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/BackupZipOutput.kt

@@ -17,7 +17,7 @@ class BackupZipOutput(val file: File) : Closeable {
 	private val output = ZipOutput(file, Deflater.BEST_COMPRESSION)
 
 	suspend fun put(entry: BackupEntry) = runInterruptible(Dispatchers.IO) {
-		output.put(entry.name, entry.data.toString(2))
+		output.put(entry.name.key, entry.data.toString(2))
 	}
 
 	suspend fun finish() = runInterruptible(Dispatchers.IO) {
@@ -29,7 +29,7 @@ class BackupZipOutput(val file: File) : Closeable {
 	}
 }
 
-private const val DIR_BACKUPS = "backups"
+const val DIR_BACKUPS = "backups"
 
 suspend fun BackupZipOutput(context: Context): BackupZipOutput = runInterruptible(Dispatchers.IO) {
 	val dir = context.run {

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/JsonDeserializer.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.core.backup
 import org.json.JSONObject
 import org.koitharu.kotatsu.bookmarks.data.BookmarkEntity
 import org.koitharu.kotatsu.core.db.entity.MangaEntity
+import org.koitharu.kotatsu.core.db.entity.MangaSourceEntity
 import org.koitharu.kotatsu.core.db.entity.TagEntity
 import org.koitharu.kotatsu.favourites.data.FavouriteCategoryEntity
 import org.koitharu.kotatsu.favourites.data.FavouriteEntity
@@ -78,6 +79,12 @@ class JsonDeserializer(private val json: JSONObject) {
 		percent = json.getDouble("percent").toFloat(),
 	)
 
+	fun toMangaSourceEntity() = MangaSourceEntity(
+		source = json.getString("source"),
+		isEnabled = json.getBoolean("enabled"),
+		sortKey = json.getInt("sort_key"),
+	)
+
 	fun toMap(): Map<String, Any?> {
 		val map = mutableMapOf<String, Any?>()
 		val keys = json.keys()

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/JsonSerializer.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.core.backup
 import org.json.JSONObject
 import org.koitharu.kotatsu.bookmarks.data.BookmarkEntity
 import org.koitharu.kotatsu.core.db.entity.MangaEntity
+import org.koitharu.kotatsu.core.db.entity.MangaSourceEntity
 import org.koitharu.kotatsu.core.db.entity.TagEntity
 import org.koitharu.kotatsu.favourites.data.FavouriteCategoryEntity
 import org.koitharu.kotatsu.favourites.data.FavouriteEntity
@@ -82,6 +83,14 @@ class JsonSerializer private constructor(private val json: JSONObject) {
 		},
 	)
 
+	constructor(e: MangaSourceEntity) : this(
+		JSONObject().apply {
+			put("source", e.source)
+			put("enabled", e.isEnabled)
+			put("sort_key", e.sortKey)
+		},
+	)
+
 	constructor(m: Map<String, *>) : this(
 		JSONObject(m),
 	)

app/src/main/kotlin/org/koitharu/kotatsu/core/cache/ExpiringLruCache.kt

@@ -12,7 +12,7 @@ class ExpiringLruCache<T>(
 	private val cache = LruCache<ContentCache.Key, ExpiringValue<T>>(maxSize)
 
 	operator fun get(key: ContentCache.Key): T? {
-		val value = cache.get(key) ?: return null
+		val value = cache[key] ?: return null
 		if (value.isExpired) {
 			cache.remove(key)
 		}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt

@@ -29,6 +29,7 @@ import org.koitharu.kotatsu.core.db.migrations.Migration13To14
 import org.koitharu.kotatsu.core.db.migrations.Migration14To15
 import org.koitharu.kotatsu.core.db.migrations.Migration15To16
 import org.koitharu.kotatsu.core.db.migrations.Migration16To17
+import org.koitharu.kotatsu.core.db.migrations.Migration17To18
 import org.koitharu.kotatsu.core.db.migrations.Migration1To2
 import org.koitharu.kotatsu.core.db.migrations.Migration2To3
 import org.koitharu.kotatsu.core.db.migrations.Migration3To4
@@ -53,7 +54,7 @@ import org.koitharu.kotatsu.tracker.data.TrackEntity
 import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TracksDao
 
-const val DATABASE_VERSION = 17
+const val DATABASE_VERSION = 18
 
 @Database(
 	entities = [
@@ -66,29 +67,29 @@ const val DATABASE_VERSION = 17
 )
 abstract class MangaDatabase : RoomDatabase() {
 
-	abstract val historyDao: HistoryDao
+	abstract fun getHistoryDao(): HistoryDao
 
-	abstract val tagsDao: TagsDao
+	abstract fun getTagsDao(): TagsDao
 
-	abstract val mangaDao: MangaDao
+	abstract fun getMangaDao(): MangaDao
 
-	abstract val favouritesDao: FavouritesDao
+	abstract fun getFavouritesDao(): FavouritesDao
 
-	abstract val preferencesDao: PreferencesDao
+	abstract fun getPreferencesDao(): PreferencesDao
 
-	abstract val favouriteCategoriesDao: FavouriteCategoriesDao
+	abstract fun getFavouriteCategoriesDao(): FavouriteCategoriesDao
 
-	abstract val tracksDao: TracksDao
+	abstract fun getTracksDao(): TracksDao
 
-	abstract val trackLogsDao: TrackLogsDao
+	abstract fun getTrackLogsDao(): TrackLogsDao
 
-	abstract val suggestionDao: SuggestionDao
+	abstract fun getSuggestionDao(): SuggestionDao
 
-	abstract val bookmarksDao: BookmarksDao
+	abstract fun getBookmarksDao(): BookmarksDao
 
-	abstract val scrobblingDao: ScrobblingDao
+	abstract fun getScrobblingDao(): ScrobblingDao
 
-	abstract val sourcesDao: MangaSourcesDao
+	abstract fun getSourcesDao(): MangaSourcesDao
 }
 
 fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
@@ -108,6 +109,7 @@ fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
 	Migration14To15(),
 	Migration15To16(),
 	Migration16To17(context),
+	Migration17To18(),
 )
 
 fun MangaDatabase(context: Context): MangaDatabase = Room

app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/MangaDao.kt

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.db.dao
 
 import androidx.room.Dao
+import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
@@ -23,6 +24,10 @@ abstract class MangaDao {
 	@Query("SELECT * FROM manga WHERE public_url = :publicUrl")
 	abstract suspend fun findByPublicUrl(publicUrl: String): MangaWithTags?
 
+	@Transaction
+	@Query("SELECT * FROM manga WHERE source = :source")
+	abstract suspend fun findAllBySource(source: String): List<MangaWithTags>
+
 	@Transaction
 	@Query("SELECT * FROM manga WHERE (title LIKE :query OR alt_title LIKE :query) AND manga_id IN (SELECT manga_id FROM favourites UNION SELECT manga_id FROM history) LIMIT :limit")
 	abstract suspend fun searchByTitle(query: String, limit: Int): List<MangaWithTags>
@@ -43,6 +48,10 @@ abstract class MangaDao {
 	@Query("DELETE FROM manga_tags WHERE manga_id = :mangaId")
 	abstract suspend fun clearTagRelation(mangaId: Long)
 
+	@Transaction
+	@Delete
+	abstract suspend fun delete(subjects: Collection<MangaEntity>)
+
 	@Transaction
 	open suspend fun upsert(manga: MangaEntity, tags: Iterable<TagEntity>? = null) {
 		upsert(manga)

app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/MangaSourcesDao.kt

@@ -4,10 +4,15 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.RawQuery
 import androidx.room.Transaction
 import androidx.room.Upsert
+import androidx.sqlite.db.SimpleSQLiteQuery
+import androidx.sqlite.db.SupportSQLiteQuery
 import kotlinx.coroutines.flow.Flow
+import org.intellij.lang.annotations.Language
 import org.koitharu.kotatsu.core.db.entity.MangaSourceEntity
+import org.koitharu.kotatsu.explore.data.SourcesSortOrder
 
 @Dao
 abstract class MangaSourcesDao {
@@ -15,11 +20,11 @@ abstract class MangaSourcesDao {
 	@Query("SELECT * FROM sources ORDER BY sort_key")
 	abstract suspend fun findAll(): List<MangaSourceEntity>
 
-	@Query("SELECT * FROM sources WHERE enabled = 1 ORDER BY sort_key")
-	abstract suspend fun findAllEnabled(): List<MangaSourceEntity>
+	@Query("SELECT * FROM sources WHERE enabled = 0 ORDER BY sort_key")
+	abstract suspend fun findAllDisabled(): List<MangaSourceEntity>
 
-	@Query("SELECT * FROM sources WHERE enabled = 1 ORDER BY sort_key")
-	abstract fun observeEnabled(): Flow<List<MangaSourceEntity>>
+	@Query("SELECT * FROM sources WHERE enabled = 0")
+	abstract fun observeDisabled(): Flow<List<MangaSourceEntity>>
 
 	@Query("SELECT * FROM sources ORDER BY sort_key")
 	abstract fun observeAll(): Flow<List<MangaSourceEntity>>
@@ -40,6 +45,22 @@ abstract class MangaSourcesDao {
 	@Upsert
 	abstract suspend fun upsert(entry: MangaSourceEntity)
 
+	fun observeEnabled(order: SourcesSortOrder): Flow<List<MangaSourceEntity>> {
+		val orderBy = getOrderBy(order)
+
+		@Language("RoomSql")
+		val query = SimpleSQLiteQuery("SELECT * FROM sources WHERE enabled = 1 ORDER BY $orderBy")
+		return observeImpl(query)
+	}
+
+	suspend fun findAllEnabled(order: SourcesSortOrder): List<MangaSourceEntity> {
+		val orderBy = getOrderBy(order)
+
+		@Language("RoomSql")
+		val query = SimpleSQLiteQuery("SELECT * FROM sources WHERE enabled = 1 ORDER BY $orderBy")
+		return findAllImpl(query)
+	}
+
 	@Transaction
 	open suspend fun setEnabled(source: String, isEnabled: Boolean) {
 		if (updateIsEnabled(source, isEnabled) == 0) {
@@ -54,4 +75,16 @@ abstract class MangaSourcesDao {
 
 	@Query("UPDATE sources SET enabled = :isEnabled WHERE source = :source")
 	protected abstract suspend fun updateIsEnabled(source: String, isEnabled: Boolean): Int
+
+	@RawQuery(observedEntities = [MangaSourceEntity::class])
+	protected abstract fun observeImpl(query: SupportSQLiteQuery): Flow<List<MangaSourceEntity>>
+
+	@RawQuery
+	protected abstract suspend fun findAllImpl(query: SupportSQLiteQuery): List<MangaSourceEntity>
+
+	private fun getOrderBy(order: SourcesSortOrder) = when (order) {
+		SourcesSortOrder.ALPHABETIC -> "source ASC"
+		SourcesSortOrder.POPULARITY -> "(SELECT COUNT(*) FROM manga WHERE source = sources.source) DESC"
+		SourcesSortOrder.MANUAL -> "sort_key ASC"
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/TagsDao.kt

@@ -51,6 +51,28 @@ abstract class TagsDao {
 	)
 	abstract suspend fun findTags(query: String, limit: Int): List<TagEntity>
 
+	@Query(
+		"""
+		SELECT tags.* FROM manga_tags 
+		LEFT JOIN tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE manga_tags.manga_id IN (SELECT manga_id FROM manga_tags WHERE tag_id = :tagId)
+		GROUP BY tags.tag_id 
+		ORDER BY COUNT(manga_id) DESC;
+	""",
+	)
+	abstract suspend fun findRelatedTags(tagId: Long): List<TagEntity>
+
+	@Query(
+		"""
+		SELECT tags.* FROM manga_tags 
+		LEFT JOIN tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE manga_tags.manga_id IN (SELECT manga_id FROM manga_tags WHERE tag_id IN (:ids))
+		GROUP BY tags.tag_id 
+		ORDER BY COUNT(manga_id) DESC;
+	""",
+	)
+	abstract suspend fun findRelatedTags(ids: Set<Long>): List<TagEntity>
+
 	@Upsert
 	abstract suspend fun upsert(tags: Iterable<TagEntity>)
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/EntityMapping.kt

@@ -19,6 +19,8 @@ fun TagEntity.toMangaTag() = MangaTag(
 
 fun Collection<TagEntity>.toMangaTags() = mapToSet(TagEntity::toMangaTag)
 
+fun Collection<TagEntity>.toMangaTagsList() = map(TagEntity::toMangaTag)
+
 fun MangaEntity.toManga(tags: Set<MangaTag>) = Manga(
 	id = this.id,
 	title = this.title,

app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaPrefsEntity.kt

@@ -24,4 +24,5 @@ data class MangaPrefsEntity(
 	@ColumnInfo(name = "cf_brightness") val cfBrightness: Float,
 	@ColumnInfo(name = "cf_contrast") val cfContrast: Float,
 	@ColumnInfo(name = "cf_invert") val cfInvert: Boolean,
+	@ColumnInfo(name = "cf_grayscale") val cfGrayscale: Boolean,
 )

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration10To11.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration10To11 : Migration(10, 11) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL(
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL(
 			"""
 			CREATE TABLE IF NOT EXISTS `bookmarks` (
 				`manga_id` INTEGER NOT NULL,
@@ -20,7 +20,7 @@ class Migration10To11 : Migration(10, 11) {
 				FOREIGN KEY(`manga_id`) REFERENCES `manga`(`manga_id`) ON UPDATE NO ACTION ON DELETE CASCADE )
 			""".trimIndent()
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_manga_id` ON `bookmarks` (`manga_id`)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_page_id` ON `bookmarks` (`page_id`)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_manga_id` ON `bookmarks` (`manga_id`)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_page_id` ON `bookmarks` (`page_id`)")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration11To12.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration11To12 : Migration(11, 12) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL(
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL(
 			"""
 			CREATE TABLE IF NOT EXISTS `scrobblings` (
 				`scrobbler` INTEGER NOT NULL,
@@ -21,7 +21,7 @@ class Migration11To12 : Migration(11, 12) {
 			)
 			""".trimIndent()
 		)
-		database.execSQL("ALTER TABLE history ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
-		database.execSQL("ALTER TABLE bookmarks ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
+		db.execSQL("ALTER TABLE history ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
+		db.execSQL("ALTER TABLE bookmarks ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration12To13.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration12To13 : Migration(12, 13) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `show_in_lib` INTEGER NOT NULL DEFAULT 1")
-		database.execSQL("ALTER TABLE favourites ADD COLUMN `sort_key` INTEGER NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `show_in_lib` INTEGER NOT NULL DEFAULT 1")
+		db.execSQL("ALTER TABLE favourites ADD COLUMN `sort_key` INTEGER NOT NULL DEFAULT 0")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration13To14.kt

@@ -5,11 +5,11 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration13To14 : Migration(13, 14) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE favourites ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE history ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_brightness` REAL NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_contrast` REAL NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE favourites ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE history ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_brightness` REAL NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_contrast` REAL NOT NULL DEFAULT 0")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration14To15.kt

@@ -5,5 +5,5 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration14To15 : Migration(14, 15) {
 
-	override fun migrate(database: SupportSQLiteDatabase) = Unit
+	override fun migrate(db: SupportSQLiteDatabase) = Unit
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration15To16.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration15To16 : Migration(15, 16) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_invert` INTEGER NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_invert` INTEGER NOT NULL DEFAULT 0")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration16To17.kt

@@ -10,9 +10,9 @@ class Migration16To17(context: Context) : Migration(16, 17) {
 
 	private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE `sources` (`source` TEXT NOT NULL, `enabled` INTEGER NOT NULL, `sort_key` INTEGER NOT NULL, PRIMARY KEY(`source`))")
-		database.execSQL("CREATE INDEX `index_sources_sort_key` ON `sources` (`sort_key`)")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("CREATE TABLE `sources` (`source` TEXT NOT NULL, `enabled` INTEGER NOT NULL, `sort_key` INTEGER NOT NULL, PRIMARY KEY(`source`))")
+		db.execSQL("CREATE INDEX `index_sources_sort_key` ON `sources` (`sort_key`)")
 		val hiddenSources = prefs.getStringSet("sources_hidden", null).orEmpty()
 		val order = prefs.getString("sources_order_2", null)?.split('|').orEmpty()
 		val sources = MangaSource.entries
@@ -30,7 +30,7 @@ class Migration16To17(context: Context) : Migration(16, 17) {
 					continue
 				}
 			}
-			database.execSQL(
+			db.execSQL(
 				"INSERT INTO `sources` (`source`, `enabled`, `sort_key`) VALUES (?, ?, ?)",
 				arrayOf(name, (!isHidden).toInt(), sortKey),
 			)

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration17To18.kt

@@ -0,0 +1,11 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration17To18 : Migration(17, 18) {
+
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_grayscale` INTEGER NOT NULL DEFAULT 0")
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration1To2.kt

@@ -7,48 +7,48 @@ class Migration1To2 : Migration(1, 2) {
 	/**
 	 * Adding foreign keys
 	 */
-	override fun migrate(database: SupportSQLiteDatabase) {
+	override fun migrate(db: SupportSQLiteDatabase) {
 		/* manga_tags */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS manga_tags_tmp (manga_id INTEGER NOT NULL, tag_id INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id, tag_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE, " +
 					"FOREIGN KEY(tag_id) REFERENCES tags(tag_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_manga_id ON manga_tags_tmp (manga_id)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_tag_id ON manga_tags_tmp (tag_id)")
-		database.execSQL("INSERT INTO manga_tags_tmp (manga_id, tag_id) SELECT manga_id, tag_id FROM manga_tags")
-		database.execSQL("DROP TABLE manga_tags")
-		database.execSQL("ALTER TABLE manga_tags_tmp RENAME TO manga_tags")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_manga_id ON manga_tags_tmp (manga_id)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_tag_id ON manga_tags_tmp (tag_id)")
+		db.execSQL("INSERT INTO manga_tags_tmp (manga_id, tag_id) SELECT manga_id, tag_id FROM manga_tags")
+		db.execSQL("DROP TABLE manga_tags")
+		db.execSQL("ALTER TABLE manga_tags_tmp RENAME TO manga_tags")
 		/* favourites */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS favourites_tmp (manga_id INTEGER NOT NULL, category_id INTEGER NOT NULL, created_at INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id, category_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE , " +
 					"FOREIGN KEY(category_id) REFERENCES favourite_categories(category_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_manga_id ON favourites_tmp (manga_id)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_category_id ON favourites_tmp (category_id)")
-		database.execSQL("INSERT INTO favourites_tmp (manga_id, category_id, created_at) SELECT manga_id, category_id, created_at FROM favourites")
-		database.execSQL("DROP TABLE favourites")
-		database.execSQL("ALTER TABLE favourites_tmp RENAME TO favourites")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_manga_id ON favourites_tmp (manga_id)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_category_id ON favourites_tmp (category_id)")
+		db.execSQL("INSERT INTO favourites_tmp (manga_id, category_id, created_at) SELECT manga_id, category_id, created_at FROM favourites")
+		db.execSQL("DROP TABLE favourites")
+		db.execSQL("ALTER TABLE favourites_tmp RENAME TO favourites")
 		/* history */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS history_tmp (manga_id INTEGER NOT NULL, created_at INTEGER NOT NULL, updated_at INTEGER NOT NULL, chapter_id INTEGER NOT NULL, page INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("INSERT INTO history_tmp (manga_id, created_at, updated_at, chapter_id, page) SELECT manga_id, created_at, updated_at, chapter_id, page FROM history")
-		database.execSQL("DROP TABLE history")
-		database.execSQL("ALTER TABLE history_tmp RENAME TO history")
+		db.execSQL("INSERT INTO history_tmp (manga_id, created_at, updated_at, chapter_id, page) SELECT manga_id, created_at, updated_at, chapter_id, page FROM history")
+		db.execSQL("DROP TABLE history")
+		db.execSQL("ALTER TABLE history_tmp RENAME TO history")
 		/* preferences */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS preferences_tmp (manga_id INTEGER NOT NULL, mode INTEGER NOT NULL," +
 					" PRIMARY KEY(manga_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("INSERT INTO preferences_tmp (manga_id, mode) SELECT manga_id, mode FROM preferences")
-		database.execSQL("DROP TABLE preferences")
-		database.execSQL("ALTER TABLE preferences_tmp RENAME TO preferences")
+		db.execSQL("INSERT INTO preferences_tmp (manga_id, mode) SELECT manga_id, mode FROM preferences")
+		db.execSQL("DROP TABLE preferences")
+		db.execSQL("ALTER TABLE preferences_tmp RENAME TO preferences")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration2To3.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration2To3 : Migration(2, 3) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE history ADD COLUMN scroll REAL NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE history ADD COLUMN scroll REAL NOT NULL DEFAULT 0")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration3To4.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration3To4 : Migration(3, 4) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE IF NOT EXISTS tracks (manga_id INTEGER NOT NULL, chapters_total INTEGER NOT NULL, last_chapter_id INTEGER NOT NULL, chapters_new INTEGER NOT NULL, last_check INTEGER NOT NULL, last_notified_id INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("CREATE TABLE IF NOT EXISTS tracks (manga_id INTEGER NOT NULL, chapters_total INTEGER NOT NULL, last_chapter_id INTEGER NOT NULL, chapters_new INTEGER NOT NULL, last_check INTEGER NOT NULL, last_notified_id INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration4To5.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration4To5 : Migration(4, 5) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN sort_key INTEGER NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN sort_key INTEGER NOT NULL DEFAULT 0")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration5To6.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration5To6 : Migration(5, 6) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE IF NOT EXISTS track_logs (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, manga_id INTEGER NOT NULL, chapters TEXT NOT NULL, created_at INTEGER NOT NULL, FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_track_logs_manga_id ON track_logs (manga_id)")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("CREATE TABLE IF NOT EXISTS track_logs (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, manga_id INTEGER NOT NULL, chapters TEXT NOT NULL, created_at INTEGER NOT NULL, FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_track_logs_manga_id ON track_logs (manga_id)")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration6To7.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration6To7 : Migration(6, 7) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE manga ADD COLUMN public_url TEXT NOT NULL DEFAULT ''")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE manga ADD COLUMN public_url TEXT NOT NULL DEFAULT ''")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration7To8.kt

@@ -5,9 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration7To8 : Migration(7, 8) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE manga ADD COLUMN nsfw INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("CREATE TABLE IF NOT EXISTS suggestions (manga_id INTEGER NOT NULL, relevance REAL NOT NULL, created_at INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_suggestions_manga_id ON suggestions (manga_id)")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE manga ADD COLUMN nsfw INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("CREATE TABLE IF NOT EXISTS suggestions (manga_id INTEGER NOT NULL, relevance REAL NOT NULL, created_at INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_suggestions_manga_id ON suggestions (manga_id)")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration8To9.kt

@@ -6,7 +6,7 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
 
 class Migration8To9 : Migration(8, 9) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `order` TEXT NOT NULL DEFAULT ${SortOrder.NEWEST.name}")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `order` TEXT NOT NULL DEFAULT ${SortOrder.NEWEST.name}")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration9To10.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration9To10 : Migration(9, 10) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/CompositeException.kt

@@ -1,8 +0,0 @@
-package org.koitharu.kotatsu.core.exceptions
-
-import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
-
-class CompositeException(val errors: Collection<Throwable>) : Exception() {
-
-	override val message: String = errors.mapNotNullToSet { it.message }.joinToString()
-}

app/src/main/kotlin/org/koitharu/kotatsu/core/model/FavouriteCategory.kt

@@ -2,9 +2,9 @@ package org.koitharu.kotatsu.core.model
 
 import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.parsers.model.SortOrder
 import java.util.Date
 
 @Parcelize
@@ -12,7 +12,7 @@ data class FavouriteCategory(
 	val id: Long,
 	val title: String,
 	val sortKey: Int,
-	val order: SortOrder,
+	val order: ListSortOrder,
 	val createdAt: Date,
 	val isTrackingEnabled: Boolean,
 	val isVisibleInLibrary: Boolean,

app/src/main/kotlin/org/koitharu/kotatsu/core/model/Manga.kt

@@ -1,12 +1,16 @@
 package org.koitharu.kotatsu.core.model
 
 import android.net.Uri
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
 import androidx.core.os.LocaleListCompat
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.iterator
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
 @JvmName("mangaIds")
@@ -31,6 +35,24 @@ fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 	return acc.values.max()
 }
 
+@get:StringRes
+val MangaState.titleResId: Int
+	get() = when (this) {
+		MangaState.ONGOING -> R.string.state_ongoing
+		MangaState.FINISHED -> R.string.state_finished
+		MangaState.ABANDONED -> R.string.state_abandoned
+		MangaState.PAUSED -> R.string.state_paused
+	}
+
+@get:DrawableRes
+val MangaState.iconResId: Int
+	get() = when (this) {
+		MangaState.ONGOING -> R.drawable.ic_state_ongoing
+		MangaState.FINISHED -> R.drawable.ic_state_finished
+		MangaState.ABANDONED -> R.drawable.ic_state_abandoned
+		MangaState.PAUSED -> R.drawable.ic_action_pause
+	}
+
 fun Manga.findChapter(id: Long): MangaChapter? {
 	return chapters?.findById(id)
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/model/MangaSource.kt

@@ -1,5 +1,8 @@
 package org.koitharu.kotatsu.core.model
 
+import android.content.Context
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.toTitleCase
@@ -18,3 +21,18 @@ fun MangaSource(name: String): MangaSource {
 }
 
 fun MangaSource.isNsfw() = contentType == ContentType.HENTAI
+
+@get:StringRes
+val ContentType.titleResId
+	get() = when (this) {
+		ContentType.MANGA -> R.string.content_type_manga
+		ContentType.HENTAI -> R.string.content_type_hentai
+		ContentType.COMICS -> R.string.content_type_comics
+		ContentType.OTHER -> R.string.content_type_other
+	}
+
+fun MangaSource.getSummary(context: Context): String {
+	val type = context.getString(contentType.titleResId)
+	val locale = getLocaleTitle() ?: context.getString(R.string.various_languages)
+	return context.getString(R.string.source_summary_pattern, type, locale)
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/network/CloudFlareInterceptor.kt

@@ -14,8 +14,8 @@ class CloudFlareInterceptor : Interceptor {
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val response = chain.proceed(chain.request())
 		if (response.code == HTTP_FORBIDDEN || response.code == HTTP_UNAVAILABLE) {
-			val content = response.body?.source()?.peek()?.use {
-				Jsoup.parse(it.inputStream(), Charsets.UTF_8.name(), response.request.url.toString())
+			val content = response.body?.let { response.peekBody(Long.MAX_VALUE) }?.byteStream()?.use {
+				Jsoup.parse(it, Charsets.UTF_8.name(), response.request.url.toString())
 			} ?: return response
 			if (content.getElementById("challenge-error-title") != null) {
 				val request = response.request

app/src/main/kotlin/org/koitharu/kotatsu/core/network/GZipInterceptor.kt

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core.network
 
 import okhttp3.Interceptor
 import okhttp3.Response
+import okio.IOException
 import org.koitharu.kotatsu.core.network.CommonHeaders.CONTENT_ENCODING
 
 class GZipInterceptor : Interceptor {
@@ -9,6 +10,10 @@ class GZipInterceptor : Interceptor {
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val newRequest = chain.request().newBuilder()
 		newRequest.addHeader(CONTENT_ENCODING, "gzip")
-		return chain.proceed(newRequest.build())
+		return try {
+			chain.proceed(newRequest.build())
+		} catch (e: NullPointerException) {
+			throw IOException(e)
+		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/network/MirrorSwitchInterceptor.kt

@@ -1,6 +1,9 @@
 package org.koitharu.kotatsu.core.network
 
+import androidx.collection.ArraySet
 import dagger.Lazy
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
 import okhttp3.Interceptor
 import okhttp3.Request
 import okhttp3.Response
@@ -13,6 +16,7 @@ import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import java.util.EnumMap
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -22,9 +26,15 @@ class MirrorSwitchInterceptor @Inject constructor(
 	private val settings: AppSettings,
 ) : Interceptor {
 
+	private val locks = EnumMap<MangaSource, Any>(MangaSource::class.java)
+	private val blacklist = EnumMap<MangaSource, MutableSet<String>>(MangaSource::class.java)
+
+	val isEnabled: Boolean
+		get() = settings.isMirrorSwitchingAvailable
+
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val request = chain.request()
-		if (!settings.isMirrorSwitchingAvailable) {
+		if (!isEnabled) {
 			return chain.proceed(request)
 		}
 		return try {
@@ -43,6 +53,33 @@ class MirrorSwitchInterceptor @Inject constructor(
 		}
 	}
 
+	suspend fun trySwitchMirror(repository: RemoteMangaRepository): Boolean = runInterruptible(Dispatchers.Default) {
+		if (!isEnabled) {
+			return@runInterruptible false
+		}
+		val mirrors = repository.getAvailableMirrors()
+		if (mirrors.size <= 1) {
+			return@runInterruptible false
+		}
+		synchronized(obtainLock(repository.source)) {
+			val currentMirror = repository.domain
+			if (currentMirror !in mirrors) {
+				return@synchronized false
+			}
+			addToBlacklist(repository.source, currentMirror)
+			val newMirror = mirrors.firstOrNull { x ->
+				x != currentMirror && !isBlacklisted(repository.source, x)
+			} ?: return@synchronized false
+			repository.domain = newMirror
+			true
+		}
+	}
+
+	fun rollback(repository: RemoteMangaRepository, oldMirror: String) = synchronized(obtainLock(repository.source)) {
+		blacklist[repository.source]?.remove(oldMirror)
+		repository.domain = oldMirror
+	}
+
 	private fun trySwitchMirror(request: Request, chain: Interceptor.Chain): Response? {
 		val source = request.tag(MangaSource::class.java) ?: return null
 		val repository = mangaRepositoryFactoryLazy.get().create(source) as? RemoteMangaRepository ?: return null
@@ -50,7 +87,9 @@ class MirrorSwitchInterceptor @Inject constructor(
 		if (mirrors.isEmpty()) {
 			return null
 		}
-		return tryMirrors(repository, mirrors, chain, request)
+		return synchronized(obtainLock(repository.source)) {
+			tryMirrors(repository, mirrors, chain, request)
+		}
 	}
 
 	private fun tryMirrors(
@@ -66,7 +105,7 @@ class MirrorSwitchInterceptor @Inject constructor(
 		}
 		val urlBuilder = url.newBuilder()
 		for (mirror in mirrors) {
-			if (mirror == currentDomain) {
+			if (mirror == currentDomain || isBlacklisted(repository.source, mirror)) {
 				continue
 			}
 			val newHost = hostOf(url.host, mirror) ?: continue
@@ -75,6 +114,7 @@ class MirrorSwitchInterceptor @Inject constructor(
 				.build()
 			val response = chain.proceed(newRequest)
 			if (response.isFailed) {
+				addToBlacklist(repository.source, mirror)
 				response.closeQuietly()
 			} else {
 				repository.domain = mirror
@@ -104,4 +144,18 @@ class MirrorSwitchInterceptor @Inject constructor(
 	private fun ResponseBody.copy(): ResponseBody {
 		return source().readByteArray().toResponseBody(contentType())
 	}
+
+	private fun obtainLock(source: MangaSource): Any = locks.getOrPut(source) {
+		Any()
+	}
+
+	private fun isBlacklisted(source: MangaSource, domain: String): Boolean {
+		return blacklist[source]?.contains(domain) == true
+	}
+
+	private fun addToBlacklist(source: MangaSource, domain: String) {
+		blacklist.getOrPut(source) {
+			ArraySet(2)
+		}.add(domain)
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/os/AppShortcutManager.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.db.TABLE_HISTORY
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.parser.favicon.faviconUri
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.image.ThumbnailTransformation
 import org.koitharu.kotatsu.core.util.ext.getDrawableOrThrow
@@ -29,8 +30,10 @@ import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
+import org.koitharu.kotatsu.search.ui.MangaListActivity
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -73,8 +76,18 @@ class AppShortcutManager @Inject constructor(
 		}
 	}
 
-	suspend fun requestPinShortcut(manga: Manga): Boolean {
-		return ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(manga), null)
+	suspend fun requestPinShortcut(manga: Manga): Boolean = try {
+		ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(manga), null)
+	} catch (e: IllegalStateException) {
+		e.printStackTraceDebug()
+		false
+	}
+
+	suspend fun requestPinShortcut(source: MangaSource): Boolean = try {
+		ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(source), null)
+	} catch (e: IllegalStateException) {
+		e.printStackTraceDebug()
+		false
 	}
 
 	@VisibleForTesting
@@ -86,6 +99,11 @@ class AppShortcutManager @Inject constructor(
 		ShortcutManagerCompat.reportShortcutUsed(context, mangaId.toString())
 	}
 
+	fun isDynamicShortcutsAvailable(): Boolean {
+		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 &&
+			context.getSystemService(ShortcutManager::class.java).maxShortcutCountPerActivity > 0
+	}
+
 	private suspend fun updateShortcutsImpl() = runCatchingCancellable {
 		val maxShortcuts = ShortcutManagerCompat.getMaxShortcutCountPerActivity(context).coerceAtLeast(5)
 		val shortcuts = historyRepository.getList(0, maxShortcuts)
@@ -132,8 +150,25 @@ class AppShortcutManager @Inject constructor(
 			.build()
 	}
 
-	fun isDynamicShortcutsAvailable(): Boolean {
-		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 &&
-			context.getSystemService(ShortcutManager::class.java).maxShortcutCountPerActivity > 0
+	private suspend fun buildShortcutInfo(source: MangaSource): ShortcutInfoCompat {
+		val icon = runCatchingCancellable {
+			coil.execute(
+				ImageRequest.Builder(context)
+					.data(source.faviconUri())
+					.size(iconSize)
+					.scale(Scale.FIT)
+					.build(),
+			).getDrawableOrThrow().toBitmap()
+		}.fold(
+			onSuccess = { IconCompat.createWithAdaptiveBitmap(it) },
+			onFailure = { IconCompat.createWithResource(context, R.drawable.ic_shortcut_default) },
+		)
+		return ShortcutInfoCompat.Builder(context, source.name)
+			.setShortLabel(source.title)
+			.setLongLabel(source.title)
+			.setIcon(icon)
+			.setLongLived(true)
+			.setIntent(MangaListActivity.newIntent(context, source))
+			.build()
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaDataRepository.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.parser
 
+import androidx.core.net.toUri
 import androidx.room.withTransaction
 import dagger.Reusable
 import kotlinx.coroutines.flow.Flow
@@ -11,7 +12,9 @@ import org.koitharu.kotatsu.core.db.entity.toEntities
 import org.koitharu.kotatsu.core.db.entity.toEntity
 import org.koitharu.kotatsu.core.db.entity.toManga
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
+import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.prefs.ReaderMode
+import org.koitharu.kotatsu.core.util.ext.toFileOrNull
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.MangaTag
@@ -28,16 +31,16 @@ class MangaDataRepository @Inject constructor(
 	suspend fun saveReaderMode(manga: Manga, mode: ReaderMode) {
 		db.withTransaction {
 			storeManga(manga)
-			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
-			db.preferencesDao.upsert(entity.copy(mode = mode.id))
+			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
+			db.getPreferencesDao().upsert(entity.copy(mode = mode.id))
 		}
 	}
 
 	suspend fun saveColorFilter(manga: Manga, colorFilter: ReaderColorFilter?) {
 		db.withTransaction {
 			storeManga(manga)
-			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
-			db.preferencesDao.upsert(
+			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
+			db.getPreferencesDao().upsert(
 				entity.copy(
 					cfBrightness = colorFilter?.brightness ?: 0f,
 					cfContrast = colorFilter?.contrast ?: 0f,
@@ -48,25 +51,25 @@ class MangaDataRepository @Inject constructor(
 	}
 
 	suspend fun getReaderMode(mangaId: Long): ReaderMode? {
-		return db.preferencesDao.find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
+		return db.getPreferencesDao().find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
 	}
 
 	suspend fun getColorFilter(mangaId: Long): ReaderColorFilter? {
-		return db.preferencesDao.find(mangaId)?.getColorFilterOrNull()
+		return db.getPreferencesDao().find(mangaId)?.getColorFilterOrNull()
 	}
 
 	fun observeColorFilter(mangaId: Long): Flow<ReaderColorFilter?> {
-		return db.preferencesDao.observe(mangaId)
+		return db.getPreferencesDao().observe(mangaId)
 			.map { it?.getColorFilterOrNull() }
 			.distinctUntilChanged()
 	}
 
 	suspend fun findMangaById(mangaId: Long): Manga? {
-		return db.mangaDao.find(mangaId)?.toManga()
+		return db.getMangaDao().find(mangaId)?.toManga()
 	}
 
 	suspend fun findMangaByPublicUrl(publicUrl: String): Manga? {
-		return db.mangaDao.findByPublicUrl(publicUrl)?.toManga()
+		return db.getMangaDao().findByPublicUrl(publicUrl)?.toManga()
 	}
 
 	suspend fun resolveIntent(intent: MangaIntent): Manga? = when {
@@ -77,20 +80,37 @@ class MangaDataRepository @Inject constructor(
 	}
 
 	suspend fun storeManga(manga: Manga) {
-		val tags = manga.tags.toEntities()
 		db.withTransaction {
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(manga.toEntity(), tags)
+			// avoid storing local manga if remote one is already stored
+			val existing = if (manga.isLocal) {
+				db.getMangaDao().find(manga.id)?.manga
+			} else {
+				null
+			}
+			if (existing == null || existing.source == manga.source.name) {
+				val tags = manga.tags.toEntities()
+				db.getTagsDao().upsert(tags)
+				db.getMangaDao().upsert(manga.toEntity(), tags)
+			}
 		}
 	}
 
 	suspend fun findTags(source: MangaSource): Set<MangaTag> {
-		return db.tagsDao.findTags(source.name).toMangaTags()
+		return db.getTagsDao().findTags(source.name).toMangaTags()
+	}
+
+	suspend fun cleanupLocalManga() {
+		val dao = db.getMangaDao()
+		val broken = dao.findAllBySource(MangaSource.LOCAL.name)
+			.filter { x -> x.manga.url.toUri().toFileOrNull()?.exists() == false }
+		if (broken.isNotEmpty()) {
+			dao.delete(broken.map { it.manga })
+		}
 	}
 
 	private fun MangaPrefsEntity.getColorFilterOrNull(): ReaderColorFilter? {
-		return if (cfBrightness != 0f || cfContrast != 0f || cfInvert) {
-			ReaderColorFilter(cfBrightness, cfContrast, cfInvert)
+		return if (cfBrightness != 0f || cfContrast != 0f || cfInvert || cfGrayscale) {
+			ReaderColorFilter(cfBrightness, cfContrast, cfInvert, cfGrayscale)
 		} else {
 			null
 		}
@@ -102,5 +122,6 @@ class MangaDataRepository @Inject constructor(
 		cfBrightness = 0f,
 		cfContrast = 0f,
 		cfInvert = false,
+		cfGrayscale = false,
 	)
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaIntent.kt

@@ -43,5 +43,7 @@ class MangaIntent private constructor(
 
 		const val KEY_MANGA = "manga"
 		const val KEY_ID = "id"
+
+		fun of(manga: Manga) = MangaIntent(manga, manga.id, null)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaLinkResolver.kt

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.parser
 
 import android.net.Uri
+import coil.request.CachePolicy
 import dagger.Reusable
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
@@ -8,6 +9,7 @@ import org.koitharu.kotatsu.explore.data.MangaSourcesRepository
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.almostEquals
 import org.koitharu.kotatsu.parsers.util.levenshteinDistance
@@ -23,14 +25,14 @@ class MangaLinkResolver @Inject constructor(
 ) {
 
 	suspend fun resolve(uri: Uri): Manga {
-		return if (uri.host == "kotatsu.app") {
+		return if (uri.scheme == "kotatsu" || uri.host == "kotatsu.app") {
 			resolveAppLink(uri)
 		} else {
 			resolveExternalLink(uri)
-		} ?: throw NotFoundException("Manga not found", uri.toString())
+		} ?: throw NotFoundException("Cannot resolve link", uri.toString())
 	}
 
-	suspend fun resolveAppLink(uri: Uri): Manga? {
+	private suspend fun resolveAppLink(uri: Uri): Manga? {
 		require(uri.pathSegments.singleOrNull() == "manga") { "Invalid url" }
 		val sourceName = requireNotNull(uri.getQueryParameter("source")) { "Source is not specified" }
 		val source = MangaSource(sourceName)
@@ -42,7 +44,7 @@ class MangaLinkResolver @Inject constructor(
 		)
 	}
 
-	suspend fun resolveExternalLink(uri: Uri): Manga? {
+	private suspend fun resolveExternalLink(uri: Uri): Manga? {
 		dataRepository.findMangaByPublicUrl(uri.toString())?.let {
 			return it
 		}
@@ -58,7 +60,7 @@ class MangaLinkResolver @Inject constructor(
 
 	private suspend fun MangaRepository.findExact(url: String?, title: String?): Manga? {
 		if (!title.isNullOrEmpty()) {
-			val list = getList(0, title)
+			val list = getList(0, MangaListFilter.Search(title))
 			if (url != null) {
 				list.find { it.url == url }?.let {
 					return it
@@ -77,14 +79,14 @@ class MangaLinkResolver @Inject constructor(
 			}.ifNullOrEmpty {
 				seed.author
 			} ?: return@runCatchingCancellable null
-			val seedList = getList(0, seedTitle)
+			val seedList = getList(0, MangaListFilter.Search(seedTitle))
 			seedList.first { x -> x.url == url }
 		}.getOrThrow()
 	}
 
 	private suspend fun MangaRepository.getDetailsNoCache(manga: Manga): Manga {
 		return if (this is RemoteMangaRepository) {
-			getDetails(manga, withCache = false)
+			getDetails(manga, CachePolicy.READ_ONLY)
 		} else {
 			getDetails(manga)
 		}

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaLoaderContextImpl.kt

@@ -17,7 +17,7 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.config.MangaSourceConfig
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import java.lang.ref.WeakReference
-import java.util.*
+import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 import kotlin.coroutines.resume
@@ -50,7 +50,7 @@ class MangaLoaderContextImpl @Inject constructor(
 	}
 
 	override fun encodeBase64(data: ByteArray): String {
-		return Base64.encodeToString(data, Base64.NO_PADDING)
+		return Base64.encodeToString(data, Base64.NO_WRAP)
 	}
 
 	override fun decodeBase64(data: String): ByteArray {

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaRepository.kt

@@ -2,16 +2,20 @@ package org.koitharu.kotatsu.core.parser
 
 import androidx.annotation.AnyThread
 import org.koitharu.kotatsu.core.cache.ContentCache
+import org.koitharu.kotatsu.core.network.MirrorSwitchInterceptor
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import java.lang.ref.WeakReference
 import java.util.EnumMap
+import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 import kotlin.collections.set
@@ -22,11 +26,13 @@ interface MangaRepository {
 
 	val sortOrders: Set<SortOrder>
 
+	val states: Set<MangaState>
+
 	var defaultSortOrder: SortOrder
 
-	suspend fun getList(offset: Int, query: String): List<Manga>
+	val isMultipleTagsSupported: Boolean
 
-	suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga>
+	suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga>
 
 	suspend fun getDetails(manga: Manga): Manga
 
@@ -36,6 +42,8 @@ interface MangaRepository {
 
 	suspend fun getTags(): Set<MangaTag>
 
+	suspend fun getLocales(): Set<Locale>
+
 	suspend fun getRelated(seed: Manga): List<Manga>
 
 	@Singleton
@@ -43,6 +51,7 @@ interface MangaRepository {
 		private val localMangaRepository: LocalMangaRepository,
 		private val loaderContext: MangaLoaderContext,
 		private val contentCache: ContentCache,
+		private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 	) {
 
 		private val cache = EnumMap<MangaSource, WeakReference<RemoteMangaRepository>>(MangaSource::class.java)
@@ -55,7 +64,11 @@ interface MangaRepository {
 			cache[source]?.get()?.let { return it }
 			return synchronized(cache) {
 				cache[source]?.get()?.let { return it }
-				val repository = RemoteMangaRepository(MangaParser(source, loaderContext), contentCache)
+				val repository = RemoteMangaRepository(
+					parser = MangaParser(source, loaderContext),
+					cache = contentCache,
+					mirrorSwitchInterceptor = mirrorSwitchInterceptor,
+				)
 				cache[source] = WeakReference(repository)
 				repository
 			}

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/RemoteMangaRepository.kt

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.parser
 
 import android.util.Log
+import coil.request.CachePolicy
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -13,31 +14,40 @@ import okhttp3.Response
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.cache.ContentCache
 import org.koitharu.kotatsu.core.cache.SafeDeferred
+import org.koitharu.kotatsu.core.network.MirrorSwitchInterceptor
 import org.koitharu.kotatsu.core.prefs.SourceSettings
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.Favicons
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.domain
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import java.util.Locale
 
 class RemoteMangaRepository(
 	private val parser: MangaParser,
 	private val cache: ContentCache,
+	private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 ) : MangaRepository, Interceptor {
 
 	override val source: MangaSource
 		get() = parser.source
 
 	override val sortOrders: Set<SortOrder>
-		get() = parser.sortOrders
+		get() = parser.availableSortOrders
+
+	override val states: Set<MangaState>
+		get() = parser.availableStates
 
 	override var defaultSortOrder: SortOrder
 		get() = getConfig().defaultSortOrder ?: sortOrders.first()
@@ -45,6 +55,9 @@ class RemoteMangaRepository(
 			getConfig().defaultSortOrder = value
 		}
 
+	override val isMultipleTagsSupported: Boolean
+		get() = parser.isMultipleTagsSupported
+
 	var domain: String
 		get() = parser.domain
 		set(value) {
@@ -65,30 +78,40 @@ class RemoteMangaRepository(
 		}
 	}
 
-	override suspend fun getList(offset: Int, query: String): List<Manga> {
-		return parser.getList(offset, query)
+	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
+		return mirrorSwitchInterceptor.withMirrorSwitching {
+			parser.getList(offset, filter)
+		}
 	}
 
-	override suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga> {
-		return parser.getList(offset, tags, sortOrder)
-	}
-
-	override suspend fun getDetails(manga: Manga): Manga = getDetails(manga, withCache = true)
+	override suspend fun getDetails(manga: Manga): Manga = getDetails(manga, CachePolicy.ENABLED)
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		cache.getPages(source, chapter.url)?.let { return it }
 		val pages = asyncSafe {
-			parser.getPages(chapter).distinctById()
+			mirrorSwitchInterceptor.withMirrorSwitching {
+				parser.getPages(chapter).distinctById()
+			}
 		}
 		cache.putPages(source, chapter.url, pages)
 		return pages.await()
 	}
 
-	override suspend fun getPageUrl(page: MangaPage): String = parser.getPageUrl(page)
+	override suspend fun getPageUrl(page: MangaPage): String = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getPageUrl(page)
+	}
 
-	override suspend fun getTags(): Set<MangaTag> = parser.getTags()
+	override suspend fun getTags(): Set<MangaTag> = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getAvailableTags()
+	}
 
-	suspend fun getFavicons(): Favicons = parser.getFavicons()
+	override suspend fun getLocales(): Set<Locale> {
+		return parser.getAvailableLocales()
+	}
+
+	suspend fun getFavicons(): Favicons = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getFavicons()
+	}
 
 	override suspend fun getRelated(seed: Manga): List<Manga> {
 		cache.getRelatedManga(source, seed.url)?.let { return it }
@@ -99,20 +122,27 @@ class RemoteMangaRepository(
 		return related.await()
 	}
 
-	suspend fun getDetails(manga: Manga, withCache: Boolean): Manga {
-		if (!withCache) {
-			return parser.getDetails(manga)
+	suspend fun getDetails(manga: Manga, cachePolicy: CachePolicy): Manga {
+		if (cachePolicy.readEnabled) {
+			cache.getDetails(source, manga.url)?.let { return it }
 		}
-		cache.getDetails(source, manga.url)?.let { return it }
 		val details = asyncSafe {
-			parser.getDetails(manga)
+			mirrorSwitchInterceptor.withMirrorSwitching {
+				parser.getDetails(manga)
+			}
+		}
+		if (cachePolicy.writeEnabled) {
+			cache.putDetails(source, manga.url, details)
 		}
-		cache.putDetails(source, manga.url, details)
 		return details.await()
 	}
 
+	suspend fun peekDetails(manga: Manga): Manga? {
+		return cache.getDetails(source, manga.url)
+	}
+
 	suspend fun find(manga: Manga): Manga? {
-		val list = getList(0, manga.title)
+		val list = getList(0, MangaListFilter.Search(manga.title))
 		return list.find { x -> x.id == manga.id }
 	}
 
@@ -126,6 +156,10 @@ class RemoteMangaRepository(
 		return parser.configKeyDomain.presetValues.toList()
 	}
 
+	fun isSlowdownEnabled(): Boolean {
+		return getConfig().isSlowdownEnabled
+	}
+
 	private fun getConfig() = parser.config as SourceSettings
 
 	private suspend fun <T> asyncSafe(block: suspend CoroutineScope.() -> T): SafeDeferred<T> {
@@ -155,4 +189,33 @@ class RemoteMangaRepository(
 		}
 		return result
 	}
+
+	private suspend fun <R> MirrorSwitchInterceptor.withMirrorSwitching(block: suspend () -> R): R {
+		if (!isEnabled) {
+			return block()
+		}
+		val initialMirror = domain
+		val result = runCatchingCancellable {
+			block()
+		}
+		if (result.isValidResult()) {
+			return result.getOrThrow()
+		}
+		return if (trySwitchMirror(this@RemoteMangaRepository)) {
+			val newResult = runCatchingCancellable {
+				block()
+			}
+			if (newResult.isValidResult()) {
+				return newResult.getOrThrow()
+			} else {
+				rollback(this@RemoteMangaRepository, initialMirror)
+				return result.getOrThrow()
+			}
+		} else {
+			result.getOrThrow()
+		}
+	}
+
+	private fun Result<*>.isValidResult() = exceptionOrNull() !is ParseException
+		&& (getOrNull() as? Collection<*>)?.isEmpty() != true
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -22,11 +22,13 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
+import org.koitharu.kotatsu.explore.data.SourcesSortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.find
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
 import java.io.File
 import java.net.Proxy
 import java.util.Locale
@@ -72,6 +74,18 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getInt(KEY_GRID_SIZE, 100)
 		set(value) = prefs.edit { putInt(KEY_GRID_SIZE, value) }
 
+	var historyListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_HISTORY, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_HISTORY, value) }
+
+	var suggestionsListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_SUGGESTIONS, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_SUGGESTIONS, value) }
+
+	var favoritesListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_FAVORITES, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_FAVORITES, value) }
+
 	var isNsfwContentDisabled: Boolean
 		get() = prefs.getBoolean(KEY_DISABLE_NSFW, false)
 		set(value) = prefs.edit { putBoolean(KEY_DISABLE_NSFW, value) }
@@ -90,9 +104,15 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val readerPageSwitch: Set<String>
 		get() = prefs.getStringSet(KEY_READER_SWITCHERS, null) ?: setOf(PAGE_SWITCH_TAPS)
 
+	val isReaderZoomButtonsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_ZOOM_BUTTONS, false)
+
 	val isReaderTapsAdaptive: Boolean
 		get() = !prefs.getBoolean(KEY_READER_TAPS_LTR, false)
 
+	val isReaderOptimizationEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_OPTIMIZE, false)
+
 	var isTrafficWarningEnabled: Boolean
 		get() = prefs.getBoolean(KEY_TRAFFIC_WARNING, true)
 		set(value) = prefs.edit { putBoolean(KEY_TRAFFIC_WARNING, value) }
@@ -161,7 +181,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getString(KEY_APP_PASSWORD, null)
 		set(value) = prefs.edit {
 			if (value != null) putString(KEY_APP_PASSWORD, value) else remove(
-				KEY_APP_PASSWORD
+				KEY_APP_PASSWORD,
 			)
 		}
 
@@ -173,7 +193,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		set(value) = prefs.edit { putBoolean(KEY_PROTECT_APP_BIOMETRIC, value) }
 
 	val isMirrorSwitchingAvailable: Boolean
-		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, true)
+		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, false)
 
 	val isExitConfirmationEnabled: Boolean
 		get() = prefs.getBoolean(KEY_EXIT_CONFIRM, false)
@@ -194,10 +214,17 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
+	var sourcesSortOrder: SourcesSortOrder
+		get() = prefs.getEnumValue(KEY_SOURCES_ORDER, SourcesSortOrder.MANUAL)
+		set(value) = prefs.edit { putEnumValue(KEY_SOURCES_ORDER, value) }
+
 	var isSourcesGridMode: Boolean
 		get() = prefs.getBoolean(KEY_SOURCES_GRID, false)
 		set(value) = prefs.edit { putBoolean(KEY_SOURCES_GRID, value) }
 
+	val isNewSourcesTipEnabled: Boolean
+		get() = prefs.getBoolean(KEY_SOURCES_NEW, true)
+
 	val isPagesNumbersEnabled: Boolean
 		get() = prefs.getBoolean(KEY_PAGES_NUMBERS, false)
 
@@ -233,9 +260,6 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			}
 		}
 
-	val isDownloadsSlowdownEnabled: Boolean
-		get() = prefs.getBoolean(KEY_DOWNLOADS_SLOWDOWN, false)
-
 	val isDownloadsWiFiOnly: Boolean
 		get() = prefs.getBoolean(KEY_DOWNLOADS_WIFI, false)
 
@@ -267,6 +291,27 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isReaderSliderEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_SLIDER, true)
 
+	val isReaderKeepScreenOn: Boolean
+		get() = prefs.getBoolean(KEY_READER_SCREEN_ON, true)
+
+	var readerColorFilter: ReaderColorFilter?
+		get() {
+			val brightness = prefs.getFloat(KEY_CF_BRIGHTNESS, ReaderColorFilter.EMPTY.brightness)
+			val contrast = prefs.getFloat(KEY_CF_CONTRAST, ReaderColorFilter.EMPTY.contrast)
+			val inverted = prefs.getBoolean(KEY_CF_INVERTED, ReaderColorFilter.EMPTY.isInverted)
+			val grayscale = prefs.getBoolean(KEY_CF_GRAYSCALE, ReaderColorFilter.EMPTY.isGrayscale)
+			return ReaderColorFilter(brightness, contrast, inverted, grayscale).takeUnless { it.isEmpty }
+		}
+		set(value) {
+			prefs.edit {
+				val cf = value ?: ReaderColorFilter.EMPTY
+				putFloat(KEY_CF_BRIGHTNESS, cf.brightness)
+				putFloat(KEY_CF_CONTRAST, cf.contrast)
+				putBoolean(KEY_CF_INVERTED, cf.isInverted)
+				putBoolean(KEY_CF_GRAYSCALE, cf.isGrayscale)
+			}
+		}
+
 	val isImagesProxyEnabled: Boolean
 		get() = prefs.getBoolean(KEY_IMAGES_PROXY, false)
 
@@ -298,8 +343,8 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getEnumValue(KEY_LOCAL_LIST_ORDER, SortOrder.NEWEST)
 		set(value) = prefs.edit { putEnumValue(KEY_LOCAL_LIST_ORDER, value) }
 
-	var historySortOrder: HistoryOrder
-		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, HistoryOrder.UPDATED)
+	var historySortOrder: ListSortOrder
+		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, ListSortOrder.UPDATED)
 		set(value) = prefs.edit { putEnumValue(KEY_HISTORY_ORDER, value) }
 
 	val isRelatedMangaEnabled: Boolean
@@ -314,7 +359,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		set(@FloatRange(from = 0.0, to = 1.0) value) = prefs.edit {
 			putFloat(
 				KEY_READER_AUTOSCROLL_SPEED,
-				value
+				value,
 			)
 		}
 
@@ -325,11 +370,24 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			}
 			val policy = NetworkPolicy.from(
 				prefs.getString(KEY_PAGES_PRELOAD, null),
-				NetworkPolicy.NON_METERED
+				NetworkPolicy.NON_METERED,
 			)
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
+	val is32BitColorsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_32BIT_COLOR, false)
+
+	val isPeriodicalBackupEnabled: Boolean
+		get() = prefs.getBoolean(KEY_BACKUP_PERIODICAL_ENABLED, false)
+
+	val periodicalBackupFrequency: Long
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_FREQUENCY, null)?.toLongOrNull() ?: 7L
+
+	var periodicalBackupOutput: Uri?
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_OUTPUT, null)?.toUriOrNull()
+		set(value) = prefs.edit { putString(KEY_BACKUP_PERIODICAL_OUTPUT, value?.toString()) }
+
 	fun isTipEnabled(tip: String): Boolean {
 		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
 	}
@@ -395,6 +453,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val TRACK_FAVOURITES = "favourites"
 
 		const val KEY_LIST_MODE = "list_mode_2"
+		const val KEY_LIST_MODE_HISTORY = "list_mode_history"
+		const val KEY_LIST_MODE_FAVORITES = "list_mode_favorites"
+		const val KEY_LIST_MODE_SUGGESTIONS = "list_mode_suggestions"
 		const val KEY_THEME = "theme"
 		const val KEY_COLOR_THEME = "color_theme"
 		const val KEY_THEME_AMOLED = "amoled_theme"
@@ -409,6 +470,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_REMOTE_SOURCES = "remote_sources"
 		const val KEY_LOCAL_STORAGE = "local_storage"
 		const val KEY_READER_SWITCHERS = "reader_switchers"
+		const val KEY_READER_ZOOM_BUTTONS = "reader_zoom_buttons"
 		const val KEY_TRACKER_ENABLED = "tracker_enabled"
 		const val KEY_TRACKER_WIFI_ONLY = "tracker_wifi"
 		const val KEY_TRACK_SOURCES = "track_sources"
@@ -430,6 +492,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_ZOOM_MODE = "zoom_mode"
 		const val KEY_BACKUP = "backup"
 		const val KEY_RESTORE = "restore"
+		const val KEY_BACKUP_PERIODICAL_ENABLED = "backup_periodic"
+		const val KEY_BACKUP_PERIODICAL_FREQUENCY = "backup_periodic_freq"
+		const val KEY_BACKUP_PERIODICAL_OUTPUT = "backup_periodic_output"
+		const val KEY_BACKUP_PERIODICAL_LAST = "backup_periodic_last"
 		const val KEY_HISTORY_GROUPING = "history_grouping"
 		const val KEY_READING_INDICATORS = "reading_indicators"
 		const val KEY_REVERSE_CHAPTERS = "reverse_chapters"
@@ -445,7 +511,6 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_SHIKIMORI = "shikimori"
 		const val KEY_ANILIST = "anilist"
 		const val KEY_MAL = "mal"
-		const val KEY_DOWNLOADS_SLOWDOWN = "downloads_slowdown"
 		const val KEY_DOWNLOADS_WIFI = "downloads_wifi"
 		const val KEY_ALL_FAVOURITES_VISIBLE = "all_favourites_visible"
 		const val KEY_DOH = "doh"
@@ -456,8 +521,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_READER_BAR = "reader_bar"
 		const val KEY_READER_SLIDER = "reader_slider"
 		const val KEY_READER_BACKGROUND = "reader_background"
+		const val KEY_READER_SCREEN_ON = "reader_screen_on"
 		const val KEY_SHORTCUTS = "dynamic_shortcuts"
 		const val KEY_READER_TAPS_LTR = "reader_taps_ltr"
+		const val KEY_READER_OPTIMIZE = "reader_optimize"
 		const val KEY_LOCAL_LIST_ORDER = "local_order"
 		const val KEY_HISTORY_ORDER = "history_order"
 		const val KEY_WEBTOON_ZOOM = "webtoon_zoom"
@@ -466,6 +533,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOGGING_ENABLED = "logging"
 		const val KEY_LOGS_SHARE = "logs_share"
 		const val KEY_SOURCES_GRID = "sources_grid"
+		const val KEY_SOURCES_NEW = "sources_new"
 		const val KEY_UPDATES_UNSTABLE = "updates_unstable"
 		const val KEY_TIPS_CLOSED = "tips_closed"
 		const val KEY_SSL_BYPASS = "ssl_bypass"
@@ -483,6 +551,14 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_DISABLE_NSFW = "no_nsfw"
 		const val KEY_RELATED_MANGA = "related_manga"
 		const val KEY_NAV_MAIN = "nav_main"
+		const val KEY_32BIT_COLOR = "enhanced_colors"
+		const val KEY_SOURCES_ORDER = "sources_sort_order"
+		const val KEY_SOURCES_CATALOG = "sources_catalog"
+		const val KEY_CF_BRIGHTNESS = "cf_brightness"
+		const val KEY_CF_CONTRAST = "cf_contrast"
+		const val KEY_CF_INVERTED = "cf_inverted"
+		const val KEY_CF_GRAYSCALE = "cf_grayscale"
+		const val KEY_IGNORE_DOZE = "ignore_dose"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/SourceSettings.kt

@@ -11,6 +11,7 @@ import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.SortOrder
 
 private const val KEY_SORT_ORDER = "sort_order"
+private const val KEY_SLOWDOWN = "slowdown"
 
 class SourceSettings(context: Context, source: MangaSource) : MangaSourceConfig {
 
@@ -20,6 +21,9 @@ class SourceSettings(context: Context, source: MangaSource) : MangaSourceConfig
 		get() = prefs.getEnumValue(KEY_SORT_ORDER, SortOrder::class.java)
 		set(value) = prefs.edit { putEnumValue(KEY_SORT_ORDER, value) }
 
+	val isSlowdownEnabled: Boolean
+		get() = prefs.getBoolean(KEY_SLOWDOWN, false)
+
 	@Suppress("UNCHECKED_CAST")
 	override fun <T> get(key: ConfigKey<T>): T {
 		return when (key) {

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/BaseActivity.kt

@@ -6,7 +6,6 @@ import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.view.KeyEvent
-import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.CallSuper
@@ -96,10 +95,10 @@ abstract class BaseActivity<B : ViewBinding> :
 		insetsDelegate.onViewCreated(binding.root)
 	}
 
-	override fun onOptionsItemSelected(item: MenuItem) = if (item.itemId == android.R.id.home) {
-		onBackPressed()
-		true
-	} else super.onOptionsItemSelected(item)
+	override fun onSupportNavigateUp(): Boolean {
+		dispatchNavigateUp()
+		return true
+	}
 
 	override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
 		if (BuildConfig.DEBUG && keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
@@ -126,10 +125,10 @@ abstract class BaseActivity<B : ViewBinding> :
 		val actionModeColor = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 			ColorUtils.compositeColors(
 				ContextCompat.getColor(this, com.google.android.material.R.color.m3_appbar_overlay_color),
-				getThemeColor(com.google.android.material.R.attr.colorSurface),
+				getThemeColor(R.attr.m3ColorBackground),
 			)
 		} else {
-			ContextCompat.getColor(this, R.color.kotatsu_secondaryContainer)
+			ContextCompat.getColor(this, R.color.kotatsu_m3_background)
 		}
 		val insets = ViewCompat.getRootWindowInsets(viewBinding.root)
 			?.getInsets(WindowInsetsCompat.Type.systemBars()) ?: return
@@ -150,6 +149,17 @@ abstract class BaseActivity<B : ViewBinding> :
 		window.statusBarColor = defaultStatusBarColor
 	}
 
+	protected open fun dispatchNavigateUp() {
+		val upIntent = parentActivityIntent
+		if (upIntent != null) {
+			if (!navigateUpTo(upIntent)) {
+				startActivity(upIntent)
+			}
+		} else {
+			finishAfterTransition()
+		}
+	}
+
 	private fun putDataToExtras(intent: Intent?) {
 		intent?.putExtra(EXTRA_DATA, intent.data)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/ReorderableListAdapter.kt

@@ -0,0 +1,75 @@
+package org.koitharu.kotatsu.core.ui
+
+import androidx.recyclerview.widget.AsyncListDiffer.ListListener
+import androidx.recyclerview.widget.DiffUtil
+import com.hannesdorfmann.adapterdelegates4.AdapterDelegate
+import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.FlowCollector
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.list.ui.adapter.ListItemType
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import java.util.Collections
+import java.util.LinkedList
+
+open class ReorderableListAdapter<T : ListModel> : ListDelegationAdapter<List<T>>(), FlowCollector<List<T>?> {
+
+	private val listListeners = LinkedList<ListListener<T>>()
+
+	override suspend fun emit(value: List<T>?) {
+		val oldList = items.orEmpty()
+		val newList = value.orEmpty()
+		val diffResult = withContext(Dispatchers.Default) {
+			val diffCallback = DiffCallback(oldList, newList)
+			DiffUtil.calculateDiff(diffCallback)
+		}
+		super.setItems(newList)
+		diffResult.dispatchUpdatesTo(this)
+		listListeners.forEach { it.onCurrentListChanged(oldList, newList) }
+	}
+
+	@Deprecated("Use emit() to dispatch list updates", level = DeprecationLevel.ERROR)
+	override fun setItems(items: List<T>?) {
+		super.setItems(items)
+	}
+
+	fun reorderItems(oldPos: Int, newPos: Int) {
+		Collections.swap(items ?: return, oldPos, newPos)
+		notifyItemMoved(oldPos, newPos)
+	}
+
+	fun addDelegate(type: ListItemType, delegate: AdapterDelegate<List<T>>): ReorderableListAdapter<T> {
+		delegatesManager.addDelegate(type.ordinal, delegate)
+		return this
+	}
+
+	fun addListListener(listListener: ListListener<T>) {
+		listListeners.add(listListener)
+	}
+
+	fun removeListListener(listListener: ListListener<T>) {
+		listListeners.remove(listListener)
+	}
+
+	protected class DiffCallback<T : ListModel>(
+		val oldList: List<T>,
+		val newList: List<T>,
+	) : DiffUtil.Callback() {
+
+		override fun getOldListSize(): Int = oldList.size
+
+		override fun getNewListSize(): Int = newList.size
+
+		override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+			val oldItem = oldList[oldItemPosition]
+			val newItem = newList[newItemPosition]
+			return newItem.areItemsTheSame(oldItem)
+		}
+
+		override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+			val oldItem = oldList[oldItemPosition]
+			val newItem = newList[newItemPosition]
+			return newItem == oldItem
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/dialog/ErrorDetailsDialog.kt

@@ -4,11 +4,11 @@ import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.os.Bundle
-import android.text.method.LinkMovementMethod
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.core.text.HtmlCompat
 import androidx.core.text.htmlEncode
+import androidx.core.text.method.LinkMovementMethodCompat
 import androidx.core.text.parseAsHtml
 import androidx.fragment.app.FragmentManager
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -37,7 +37,7 @@ class ErrorDetailsDialog : AlertDialogFragment<DialogErrorDetailsBinding>() {
 	override fun onViewBindingCreated(binding: DialogErrorDetailsBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		with(binding.textViewMessage) {
-			movementMethod = LinkMovementMethod.getInstance()
+			movementMethod = LinkMovementMethodCompat.getInstance()
 			text = context.getString(
 				R.string.manga_error_description_pattern,
 				exception.message?.htmlEncode().orEmpty(),

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/drawable/TextDrawable.kt

@@ -1,100 +0,0 @@
-package org.koitharu.kotatsu.core.ui.drawable
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.graphics.Canvas
-import android.graphics.Color
-import android.graphics.ColorFilter
-import android.graphics.Paint
-import android.graphics.PixelFormat
-import android.graphics.Typeface
-import android.graphics.drawable.Drawable
-import android.os.Build
-import android.text.Layout
-import android.text.StaticLayout
-import android.text.TextPaint
-import androidx.annotation.ColorInt
-import androidx.annotation.Px
-import androidx.annotation.StyleRes
-import androidx.core.graphics.withTranslation
-import com.google.android.material.resources.TextAppearance
-import com.google.android.material.resources.TextAppearanceFontCallback
-import org.koitharu.kotatsu.core.util.ext.getThemeColor
-
-class TextDrawable(
-	val text: CharSequence,
-) : Drawable() {
-
-	private val paint = TextPaint(Paint.ANTI_ALIAS_FLAG)
-	private var cachedLayout: StaticLayout? = null
-
-	@SuppressLint("RestrictedApi")
-	constructor(context: Context, text: CharSequence, @StyleRes textAppearanceId: Int) : this(text) {
-		val ta = TextAppearance(context, textAppearanceId)
-		paint.color = ta.textColor?.defaultColor ?: context.getThemeColor(android.R.attr.textColorPrimary, Color.BLACK)
-		paint.typeface = ta.fallbackFont
-		ta.getFontAsync(
-			context, paint,
-			object : TextAppearanceFontCallback() {
-				override fun onFontRetrieved(typeface: Typeface?, fontResolvedSynchronously: Boolean) = Unit
-				override fun onFontRetrievalFailed(reason: Int) = Unit
-			},
-		)
-		paint.letterSpacing = ta.letterSpacing
-	}
-
-	var alignment = Layout.Alignment.ALIGN_NORMAL
-
-	var lineSpacingMultiplier = 1f
-
-	@Px
-	var lineSpacingExtra = 0f
-
-	@get:ColorInt
-	var textColor: Int
-		get() = paint.color
-		set(@ColorInt value) {
-			paint.color = value
-		}
-
-	override fun draw(canvas: Canvas) {
-		val b = bounds
-		if (b.isEmpty) {
-			return
-		}
-		canvas.withTranslation(x = b.left.toFloat(), y = b.top.toFloat()) {
-			obtainLayout().draw(canvas)
-		}
-	}
-
-	override fun setAlpha(alpha: Int) {
-		paint.alpha = alpha
-	}
-
-	override fun setColorFilter(colorFilter: ColorFilter?) {
-		paint.setColorFilter(colorFilter)
-	}
-
-	@Suppress("DeprecatedCallableAddReplaceWith")
-	@Deprecated("Deprecated in Java")
-	override fun getOpacity(): Int = PixelFormat.TRANSLUCENT
-
-	private fun obtainLayout(): StaticLayout {
-		val width = bounds.width()
-		cachedLayout?.let {
-			if (it.width == width) {
-				return it
-			}
-		}
-		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-			StaticLayout.Builder.obtain(text, 0, text.length, paint, width)
-				.setAlignment(alignment)
-				.setLineSpacing(lineSpacingExtra, lineSpacingMultiplier)
-				.setIncludePad(true)
-				.build()
-		} else {
-			@Suppress("DEPRECATION")
-			StaticLayout(text, paint, width, alignment, lineSpacingMultiplier, lineSpacingExtra, true)
-		}.also { cachedLayout = it }
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/NestedScrollStateHandle.kt

@@ -1,64 +0,0 @@
-package org.koitharu.kotatsu.core.ui.list
-
-import android.os.Bundle
-import android.os.Parcelable
-import android.util.SparseArray
-import androidx.core.os.BundleCompat
-import androidx.core.view.doOnNextLayout
-import androidx.recyclerview.widget.RecyclerView
-import java.util.Collections
-import java.util.WeakHashMap
-
-class NestedScrollStateHandle(
-	savedInstanceState: Bundle?,
-	private val key: String,
-) {
-
-	private val storage: SparseArray<Parcelable?> = savedInstanceState?.let {
-		BundleCompat.getSparseParcelableArray(it, key, Parcelable::class.java)
-	} ?: SparseArray<Parcelable?>()
-	private val controllers = Collections.newSetFromMap<Controller>(WeakHashMap())
-
-	fun attach(recycler: RecyclerView) = Controller(recycler).also(controllers::add)
-
-	fun onSaveInstanceState(outState: Bundle) {
-		controllers.forEach {
-			it.saveState()
-		}
-		outState.putSparseParcelableArray(key, storage)
-	}
-
-	inner class Controller(
-		private val recycler: RecyclerView
-	) {
-
-		private var lastPosition: Int = -1
-
-		fun onBind(position: Int) {
-			if (position != lastPosition) {
-				saveState()
-				lastPosition = position
-				storage[position]?.let {
-					restoreState(it)
-				}
-			}
-		}
-
-		fun onRecycled() {
-			saveState()
-			lastPosition = -1
-		}
-
-		fun saveState() {
-			if (lastPosition != -1) {
-				storage[lastPosition] = recycler.layoutManager?.onSaveInstanceState()
-			}
-		}
-
-		private fun restoreState(state: Parcelable) {
-			recycler.doOnNextLayout {
-				recycler.layoutManager?.onRestoreInstanceState(state)
-			}
-		}
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/RecyclerScrollKeeper.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.core.ui.list
+
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
+
+class RecyclerScrollKeeper(
+	private val rv: RecyclerView,
+) : AdapterDataObserver() {
+
+	private val scrollUpRunnable = Runnable {
+		(rv.layoutManager as? LinearLayoutManager)?.scrollToPositionWithOffset(0, 0)
+	}
+
+	fun attach() {
+		rv.adapter?.registerAdapterDataObserver(this)
+	}
+
+	override fun onItemRangeInserted(positionStart: Int, itemCount: Int) {
+		super.onItemRangeInserted(positionStart, itemCount)
+		if (positionStart == 0 && isScrolledToTop()) {
+			postScrollUp()
+		}
+	}
+
+	override fun onItemRangeMoved(fromPosition: Int, toPosition: Int, itemCount: Int) {
+		super.onItemRangeMoved(fromPosition, toPosition, itemCount)
+		if (toPosition == 0 && isScrolledToTop()) {
+			postScrollUp()
+		}
+	}
+
+	private fun postScrollUp() {
+		rv.postDelayed(scrollUpRunnable, 500L)
+	}
+
+	private fun isScrolledToTop(): Boolean {
+		return (rv.layoutManager as? LinearLayoutManager)?.findFirstVisibleItemPosition() == 0
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/SectionedSelectionController.kt

@@ -1,237 +1,4 @@
 package org.koitharu.kotatsu.core.ui.list
 
-import android.app.Activity
-import android.os.Bundle
-import android.view.Menu
-import android.view.MenuItem
-import androidx.appcompat.app.AppCompatActivity
-import androidx.appcompat.view.ActionMode
-import androidx.collection.ArrayMap
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.LifecycleEventObserver
-import androidx.lifecycle.LifecycleOwner
-import androidx.recyclerview.widget.RecyclerView
-import androidx.savedstate.SavedStateRegistry
-import androidx.savedstate.SavedStateRegistryOwner
-import kotlinx.coroutines.Dispatchers
-import org.koitharu.kotatsu.core.ui.list.decor.AbstractSelectionItemDecoration
-import kotlin.coroutines.EmptyCoroutineContext
-
 private const val PROVIDER_NAME = "selection_decoration_sectioned"
 
-class SectionedSelectionController<T : Any>(
-	private val activity: Activity,
-	private val owner: SavedStateRegistryOwner,
-	private val callback: Callback<T>,
-) : ActionMode.Callback, SavedStateRegistry.SavedStateProvider {
-
-	private var actionMode: ActionMode? = null
-
-	private var pendingData: MutableMap<String, Collection<Long>>? = null
-	private val decorations = ArrayMap<T, AbstractSelectionItemDecoration>()
-
-	val count: Int
-		get() = decorations.values.sumOf { it.checkedItemsCount }
-
-	init {
-		owner.lifecycle.addObserver(StateEventObserver())
-	}
-
-	fun snapshot(): Map<T, Set<Long>> {
-		return decorations.mapValues { it.value.checkedItemsIds.toSet() }
-	}
-
-	fun peekCheckedIds(): Map<T, Set<Long>> {
-		return decorations.mapValues { it.value.checkedItemsIds }
-	}
-
-	fun clear() {
-		decorations.values.forEach {
-			it.clearSelection()
-		}
-		notifySelectionChanged()
-	}
-
-	fun attachToRecyclerView(section: T, recyclerView: RecyclerView) {
-		val decoration = getDecoration(section)
-		val pendingIds = pendingData?.remove(section.toString())
-		if (!pendingIds.isNullOrEmpty()) {
-			decoration.checkAll(pendingIds)
-			startActionMode()
-			notifySelectionChanged()
-		}
-		var shouldAddDecoration = true
-		for (i in (0 until recyclerView.itemDecorationCount).reversed()) {
-			val decor = recyclerView.getItemDecorationAt(i)
-			if (decor === decoration) {
-				shouldAddDecoration = false
-				break
-			} else if (decor.javaClass == decoration.javaClass) {
-				recyclerView.removeItemDecorationAt(i)
-			}
-		}
-		if (shouldAddDecoration) {
-			recyclerView.addItemDecoration(decoration)
-		}
-		if (pendingData?.isEmpty() == true) {
-			pendingData = null
-		}
-	}
-
-	override fun saveState(): Bundle {
-		val bundle = Bundle(decorations.size)
-		for ((k, v) in decorations) {
-			bundle.putLongArray(k.toString(), v.checkedItemsIds.toLongArray())
-		}
-		return bundle
-	}
-
-	fun onItemClick(section: T, id: Long): Boolean {
-		val decoration = getDecoration(section)
-		if (isInSelectionMode()) {
-			decoration.toggleItemChecked(id)
-			if (isInSelectionMode()) {
-				actionMode?.invalidate()
-			} else {
-				actionMode?.finish()
-			}
-			notifySelectionChanged()
-			return true
-		}
-		return false
-	}
-
-	fun onItemLongClick(section: T, id: Long): Boolean {
-		val decoration = getDecoration(section)
-		startActionMode()
-		return actionMode?.also {
-			decoration.setItemIsChecked(id, true)
-			notifySelectionChanged()
-		} != null
-	}
-
-	fun getSectionCount(section: T): Int {
-		return decorations[section]?.checkedItemsCount ?: 0
-	}
-
-	fun addToSelection(section: T, ids: Collection<Long>): Boolean {
-		val decoration = getDecoration(section)
-		startActionMode()
-		return actionMode?.also {
-			decoration.checkAll(ids)
-			notifySelectionChanged()
-		} != null
-	}
-
-	fun clearSelection(section: T) {
-		decorations[section]?.clearSelection() ?: return
-		notifySelectionChanged()
-	}
-
-	override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
-		return callback.onCreateActionMode(this, mode, menu)
-	}
-
-	override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
-		return callback.onPrepareActionMode(this, mode, menu)
-	}
-
-	override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
-		return callback.onActionItemClicked(this, mode, item)
-	}
-
-	override fun onDestroyActionMode(mode: ActionMode) {
-		callback.onDestroyActionMode(this, mode)
-		clear()
-		actionMode = null
-	}
-
-	private fun startActionMode() {
-		if (actionMode == null) {
-			actionMode = (activity as? AppCompatActivity)?.startSupportActionMode(this)
-		}
-	}
-
-	private fun isInSelectionMode(): Boolean {
-		return decorations.values.any { x -> x.checkedItemsCount > 0 }
-	}
-
-	private fun notifySelectionChanged() {
-		val count = this.count
-		callback.onSelectionChanged(this, count)
-		if (count == 0) {
-			actionMode?.finish()
-		} else {
-			actionMode?.invalidate()
-		}
-	}
-
-	private fun restoreState(ids: MutableMap<String, Collection<Long>>) {
-		if (ids.isEmpty() || isInSelectionMode()) {
-			return
-		}
-		for ((k, v) in decorations) {
-			val items = ids.remove(k.toString())
-			if (!items.isNullOrEmpty()) {
-				v.checkAll(items)
-			}
-		}
-		pendingData = ids
-		if (isInSelectionMode()) {
-			startActionMode()
-			notifySelectionChanged()
-		}
-	}
-
-	private fun getDecoration(section: T): AbstractSelectionItemDecoration {
-		return decorations.getOrPut(section) {
-			callback.onCreateItemDecoration(this, section)
-		}
-	}
-
-	interface Callback<T : Any> {
-
-		fun onSelectionChanged(controller: SectionedSelectionController<T>, count: Int)
-
-		fun onCreateActionMode(controller: SectionedSelectionController<T>, mode: ActionMode, menu: Menu): Boolean
-
-		fun onPrepareActionMode(controller: SectionedSelectionController<T>, mode: ActionMode, menu: Menu): Boolean {
-			mode.title = controller.count.toString()
-			return true
-		}
-
-		fun onDestroyActionMode(controller: SectionedSelectionController<T>, mode: ActionMode) = Unit
-
-		fun onActionItemClicked(
-			controller: SectionedSelectionController<T>,
-			mode: ActionMode,
-			item: MenuItem,
-		): Boolean
-
-		fun onCreateItemDecoration(
-			controller: SectionedSelectionController<T>,
-			section: T,
-		): AbstractSelectionItemDecoration
-	}
-
-	private inner class StateEventObserver : LifecycleEventObserver {
-
-		override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
-			if (event == Lifecycle.Event.ON_CREATE) {
-				val registry = owner.savedStateRegistry
-				registry.registerSavedStateProvider(PROVIDER_NAME, this@SectionedSelectionController)
-				val state = registry.consumeRestoredStateForKey(PROVIDER_NAME)
-				if (state != null) {
-					Dispatchers.Main.dispatch(EmptyCoroutineContext) { // == Handler.post
-						if (source.lifecycle.currentState.isAtLeast(Lifecycle.State.CREATED)) {
-							restoreState(
-								state.keySet()
-									.associateWithTo(HashMap()) { state.getLongArray(it)?.toList().orEmpty() },
-							)
-						}
-					}
-				}
-			}
-		}
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/fastscroll/FastScroller.kt

@@ -12,20 +12,25 @@ import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
 import android.widget.*
-import androidx.annotation.*
+import androidx.annotation.AttrRes
+import androidx.annotation.ColorInt
+import androidx.annotation.DimenRes
+import androidx.annotation.DrawableRes
+import androidx.annotation.Px
+import androidx.annotation.StyleableRes
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.constraintlayout.widget.ConstraintSet
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.content.ContextCompat
 import androidx.core.content.withStyledAttributes
 import androidx.core.view.GravityCompat
+import androidx.core.view.ancestors
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.isLayoutReversed
-import org.koitharu.kotatsu.core.util.ext.parents
 import org.koitharu.kotatsu.databinding.FastScrollerBinding
 import kotlin.math.roundToInt
 import com.google.android.material.R as materialR
@@ -131,19 +136,19 @@ class FastScroller @JvmOverloads constructor(
 
 		var showTrack = false
 
-		context.withStyledAttributes(attrs, R.styleable.FastScroller, defStyleAttr) {
-			bubbleColor = getColor(R.styleable.FastScroller_bubbleColor, bubbleColor)
-			handleColor = getColor(R.styleable.FastScroller_thumbColor, handleColor)
-			trackColor = getColor(R.styleable.FastScroller_trackColor, trackColor)
-			textColor = getColor(R.styleable.FastScroller_bubbleTextColor, textColor)
-			hideScrollbar = getBoolean(R.styleable.FastScroller_hideScrollbar, hideScrollbar)
-			showBubble = getBoolean(R.styleable.FastScroller_showBubble, showBubble)
-			showBubbleAlways = getBoolean(R.styleable.FastScroller_showBubbleAlways, showBubbleAlways)
-			showTrack = getBoolean(R.styleable.FastScroller_showTrack, showTrack)
-			bubbleSize = getBubbleSize(R.styleable.FastScroller_bubbleSize, BubbleSize.NORMAL)
-			val textSize = getDimension(R.styleable.FastScroller_bubbleTextSize, bubbleSize.textSize)
+		context.withStyledAttributes(attrs, R.styleable.FastScrollRecyclerView, defStyleAttr) {
+			bubbleColor = getColor(R.styleable.FastScrollRecyclerView_bubbleColor, bubbleColor)
+			handleColor = getColor(R.styleable.FastScrollRecyclerView_thumbColor, handleColor)
+			trackColor = getColor(R.styleable.FastScrollRecyclerView_trackColor, trackColor)
+			textColor = getColor(R.styleable.FastScrollRecyclerView_bubbleTextColor, textColor)
+			hideScrollbar = getBoolean(R.styleable.FastScrollRecyclerView_hideScrollbar, hideScrollbar)
+			showBubble = getBoolean(R.styleable.FastScrollRecyclerView_showBubble, showBubble)
+			showBubbleAlways = getBoolean(R.styleable.FastScrollRecyclerView_showBubbleAlways, showBubbleAlways)
+			showTrack = getBoolean(R.styleable.FastScrollRecyclerView_showTrack, showTrack)
+			bubbleSize = getBubbleSize(R.styleable.FastScrollRecyclerView_bubbleSize, BubbleSize.NORMAL)
+			val textSize = getDimension(R.styleable.FastScrollRecyclerView_bubbleTextSize, bubbleSize.textSize)
 			binding.bubble.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize)
-			offset = getDimensionPixelOffset(R.styleable.FastScroller_scrollerOffset, offset)
+			offset = getDimensionPixelOffset(R.styleable.FastScrollRecyclerView_scrollerOffset, offset)
 		}
 
 		setTrackColor(trackColor)
@@ -522,7 +527,7 @@ class FastScroller @JvmOverloads constructor(
 		return BubbleSize.entries.getOrNull(ordinal) ?: defaultValue
 	}
 
-	private fun findValidParent(view: View): ViewGroup? = view.parents.firstNotNullOfOrNull { p ->
+	private fun findValidParent(view: View): ViewGroup? = view.ancestors.firstNotNullOfOrNull { p ->
 		if (p is FrameLayout || p is ConstraintLayout || p is CoordinatorLayout || p is RelativeLayout) {
 			p as ViewGroup
 		} else {

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/lifecycle/LifecycleAwareViewHolder.kt

@@ -0,0 +1,88 @@
+package org.koitharu.kotatsu.core.ui.list.lifecycle
+
+import android.view.View
+import androidx.annotation.CallSuper
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.LifecycleRegistry
+import androidx.recyclerview.widget.RecyclerView
+
+abstract class LifecycleAwareViewHolder(
+	itemView: View,
+	private val parentLifecycleOwner: LifecycleOwner,
+) : RecyclerView.ViewHolder(itemView), LifecycleOwner {
+
+	@Suppress("LeakingThis")
+	final override val lifecycle = LifecycleRegistry(this)
+	private var isCurrent = false
+
+	init {
+		parentLifecycleOwner.lifecycle.addObserver(ParentLifecycleObserver())
+		if (parentLifecycleOwner.lifecycle.currentState.isAtLeast(Lifecycle.State.CREATED)) {
+			lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_CREATE)
+		}
+	}
+
+	fun setIsCurrent(value: Boolean) {
+		isCurrent = value
+		dispatchResumed()
+	}
+
+	@CallSuper
+	open fun onStart() = lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_START)
+
+	@CallSuper
+	open fun onResume() = lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_RESUME)
+
+	@CallSuper
+	open fun onPause() = lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_PAUSE)
+
+	@CallSuper
+	open fun onStop() = lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_STOP)
+
+	private fun dispatchResumed() {
+		val isParentResumed = parentLifecycleOwner.lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED)
+		if (isCurrent && isParentResumed) {
+			if (!isResumed()) {
+				onResume()
+			}
+		} else {
+			if (isResumed()) {
+				onPause()
+			}
+		}
+	}
+
+	protected fun isResumed(): Boolean {
+		return lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED)
+	}
+
+	private inner class ParentLifecycleObserver : DefaultLifecycleObserver {
+
+		override fun onCreate(owner: LifecycleOwner) {
+			lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_CREATE)
+		}
+
+		override fun onStart(owner: LifecycleOwner) {
+			onStart()
+		}
+
+		override fun onResume(owner: LifecycleOwner) {
+			dispatchResumed()
+		}
+
+		override fun onPause(owner: LifecycleOwner) {
+			dispatchResumed()
+		}
+
+		override fun onStop(owner: LifecycleOwner) {
+			onStop()
+		}
+
+		override fun onDestroy(owner: LifecycleOwner) {
+			lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+			owner.lifecycle.removeObserver(this)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/lifecycle/PagerLifecycleDispatcher.kt

@@ -0,0 +1,23 @@
+package org.koitharu.kotatsu.core.ui.list.lifecycle
+
+import androidx.core.view.children
+import androidx.viewpager2.widget.ViewPager2
+import org.koitharu.kotatsu.core.util.ext.recyclerView
+
+class PagerLifecycleDispatcher(
+	private val pager: ViewPager2,
+) : ViewPager2.OnPageChangeCallback() {
+
+	override fun onPageSelected(position: Int) {
+		super.onPageSelected(position)
+		val rv = pager.recyclerView ?: return
+		for (child in rv.children) {
+			val wh = rv.getChildViewHolder(child) ?: continue
+			(wh as? LifecycleAwareViewHolder)?.setIsCurrent(wh.absoluteAdapterPosition == position)
+		}
+	}
+
+	fun invalidate() {
+		onPageSelected(pager.currentItem)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/lifecycle/RecyclerViewLifecycleDispatcher.kt

@@ -0,0 +1,35 @@
+package org.koitharu.kotatsu.core.ui.list.lifecycle
+
+import androidx.core.view.children
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.NO_POSITION
+
+class RecyclerViewLifecycleDispatcher : RecyclerView.OnScrollListener() {
+
+	private var prevFirst = NO_POSITION
+	private var prevLast = NO_POSITION
+
+	override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+		super.onScrolled(recyclerView, dx, dy)
+		invalidate(recyclerView)
+	}
+
+	fun invalidate(recyclerView: RecyclerView) {
+		val lm = recyclerView.layoutManager as? LinearLayoutManager ?: return
+		val first = lm.findFirstVisibleItemPosition()
+		val last = lm.findLastVisibleItemPosition()
+		if (first == prevFirst && last == prevLast) {
+			return
+		}
+		prevFirst = first
+		prevLast = last
+		if (first == NO_POSITION || last == NO_POSITION) {
+			return
+		}
+		for (child in recyclerView.children) {
+			val wh = recyclerView.getChildViewHolder(child) ?: continue
+			(wh as? LifecycleAwareViewHolder)?.setIsCurrent(wh.absoluteAdapterPosition in first..last)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/model/DateTimeAgo.kt

@@ -79,7 +79,11 @@ sealed class DateTimeAgo {
 		private val day = date.daysDiff(0)
 
 		override fun format(resources: Resources): String {
-			return date.format("d MMMM")
+			return if (date.time == 0L) {
+				resources.getString(R.string.unknown)
+			} else {
+				date.format("d MMMM")
+			}
 		}
 
 		override fun equals(other: Any?): Boolean {

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/sheet/AdaptiveSheetBehavior.kt

@@ -104,6 +104,7 @@ sealed class AdaptiveSheetBehavior {
 	companion object {
 
 		const val STATE_EXPANDED = SideSheetBehavior.STATE_EXPANDED
+		const val STATE_COLLAPSED = BottomSheetBehavior.STATE_COLLAPSED
 		const val STATE_SETTLING = SideSheetBehavior.STATE_SETTLING
 		const val STATE_DRAGGING = SideSheetBehavior.STATE_DRAGGING
 		const val STATE_HIDDEN = SideSheetBehavior.STATE_HIDDEN
@@ -114,10 +115,11 @@ sealed class AdaptiveSheetBehavior {
 			else -> null
 		}
 
-		fun from(lp: CoordinatorLayout.LayoutParams): AdaptiveSheetBehavior? = when (val behavior = lp.behavior) {
-			is BottomSheetBehavior<*> -> Bottom(behavior)
-			is SideSheetBehavior<*> -> Side(behavior)
-			else -> null
-		}
+		fun from(lp: CoordinatorLayout.LayoutParams): AdaptiveSheetBehavior? =
+			when (val behavior = lp.behavior) {
+				is BottomSheetBehavior<*> -> Bottom(behavior)
+				is SideSheetBehavior<*> -> Side(behavior)
+				else -> null
+			}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/sheet/AdaptiveSheetHeaderBar.kt

@@ -2,17 +2,19 @@ package org.koitharu.kotatsu.core.ui.sheet
 
 import android.content.Context
 import android.util.AttributeSet
+import android.view.InputDevice
 import android.view.LayoutInflater
+import android.view.MotionEvent
 import android.view.View
 import android.widget.LinearLayout
 import androidx.annotation.AttrRes
 import androidx.annotation.StringRes
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.content.withStyledAttributes
+import androidx.core.view.ancestors
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.parents
 import org.koitharu.kotatsu.databinding.LayoutSheetHeaderAdaptiveBinding
 
 class AdaptiveSheetHeaderBar @JvmOverloads constructor(
@@ -21,7 +23,8 @@ class AdaptiveSheetHeaderBar @JvmOverloads constructor(
 	@AttrRes defStyleAttr: Int = 0,
 ) : LinearLayout(context, attrs, defStyleAttr), AdaptiveSheetCallback {
 
-	private val binding = LayoutSheetHeaderAdaptiveBinding.inflate(LayoutInflater.from(context), this)
+	private val binding =
+		LayoutSheetHeaderAdaptiveBinding.inflate(LayoutInflater.from(context), this)
 	private var sheetBehavior: AdaptiveSheetBehavior? = null
 
 	var title: CharSequence?
@@ -60,6 +63,28 @@ class AdaptiveSheetHeaderBar @JvmOverloads constructor(
 		super.onDetachedFromWindow()
 	}
 
+	override fun onGenericMotionEvent(event: MotionEvent): Boolean {
+		val behavior = sheetBehavior ?: return super.onGenericMotionEvent(event)
+		if (event.source and InputDevice.SOURCE_CLASS_POINTER != 0) {
+			if (event.actionMasked == MotionEvent.ACTION_SCROLL) {
+				if (event.getAxisValue(MotionEvent.AXIS_VSCROLL) < 0f) {
+					behavior.state = if (
+						behavior is AdaptiveSheetBehavior.Bottom
+						&& behavior.state == AdaptiveSheetBehavior.STATE_EXPANDED
+					) {
+						AdaptiveSheetBehavior.STATE_COLLAPSED
+					} else {
+						AdaptiveSheetBehavior.STATE_HIDDEN
+					}
+				} else {
+					behavior.state = AdaptiveSheetBehavior.STATE_EXPANDED
+				}
+				return true
+			}
+		}
+		return super.onGenericMotionEvent(event)
+	}
+
 	override fun onStateChanged(sheet: View, newState: Int) {
 
 	}
@@ -81,14 +106,9 @@ class AdaptiveSheetHeaderBar @JvmOverloads constructor(
 	}
 
 	private fun findParentSheetBehavior(): AdaptiveSheetBehavior? {
-		for (p in parents) {
-			val layoutParams = (p as? View)?.layoutParams
-			if (layoutParams is CoordinatorLayout.LayoutParams) {
-				AdaptiveSheetBehavior.from(layoutParams)?.let {
-					return it
-				}
-			}
+		return ancestors.firstNotNullOfOrNull {
+			((it as? View)?.layoutParams as? CoordinatorLayout.LayoutParams)
+				?.let { params -> AdaptiveSheetBehavior.from(params) }
 		}
-		return null
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/ChipsView.kt

@@ -1,21 +1,16 @@
 package org.koitharu.kotatsu.core.ui.widgets
 
-import android.annotation.SuppressLint
 import android.content.Context
-import android.content.res.ColorStateList
 import android.util.AttributeSet
 import android.view.View.OnClickListener
 import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
-import androidx.core.content.ContextCompat
-import androidx.core.content.res.getColorStateListOrThrow
 import androidx.core.view.children
 import com.google.android.material.chip.Chip
 import com.google.android.material.chip.ChipDrawable
 import com.google.android.material.chip.ChipGroup
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.castOrNull
-import com.google.android.material.R as materialR
 
 class ChipsView @JvmOverloads constructor(
 	context: Context,
@@ -31,9 +26,7 @@ class ChipsView @JvmOverloads constructor(
 	private val chipOnCloseListener = OnClickListener {
 		onChipCloseClickListener?.onChipCloseClick(it as Chip, it.tag)
 	}
-	private val defaultChipStrokeColor: ColorStateList
-	private val defaultChipTextColor: ColorStateList
-	private val defaultChipIconTint: ColorStateList
+	private val chipStyle: Int
 	var onChipClickListener: OnChipClickListener? = null
 		set(value) {
 			field = value
@@ -48,12 +41,17 @@ class ChipsView @JvmOverloads constructor(
 		}
 
 	init {
-		@SuppressLint("CustomViewStyleable")
-		val a = context.obtainStyledAttributes(null, materialR.styleable.Chip, 0, R.style.Widget_Kotatsu_Chip)
-		defaultChipStrokeColor = a.getColorStateListOrThrow(materialR.styleable.Chip_chipStrokeColor)
-		defaultChipTextColor = a.getColorStateListOrThrow(materialR.styleable.Chip_android_textColor)
-		defaultChipIconTint = a.getColorStateListOrThrow(materialR.styleable.Chip_chipIconTint)
-		a.recycle()
+		val ta = context.obtainStyledAttributes(attrs, R.styleable.ChipsView, defStyleAttr, 0)
+		chipStyle = ta.getResourceId(R.styleable.ChipsView_chipStyle, R.style.Widget_Kotatsu_Chip)
+		ta.recycle()
+
+		if (isInEditMode) {
+			setChips(
+				List(5) {
+					ChipModel(0, "Chip $it", 0, isCheckable = false, isChecked = false)
+				},
+			)
+		}
 	}
 
 	override fun requestLayout() {
@@ -91,15 +89,6 @@ class ChipsView @JvmOverloads constructor(
 
 	private fun bindChip(chip: Chip, model: ChipModel) {
 		chip.text = model.title
-		val tint = if (model.tint == 0) {
-			null
-		} else {
-			ContextCompat.getColorStateList(context, model.tint)
-		}
-		chip.chipIconTint = tint ?: defaultChipIconTint
-		chip.checkedIconTint = tint ?: defaultChipIconTint
-		chip.chipStrokeColor = tint ?: defaultChipStrokeColor
-		chip.setTextColor(tint ?: defaultChipTextColor)
 		chip.isClickable = onChipClickListener != null || model.isCheckable
 		chip.isCheckable = model.isCheckable
 		if (model.icon == 0) {
@@ -115,12 +104,11 @@ class ChipsView @JvmOverloads constructor(
 
 	private fun addChip(): Chip {
 		val chip = Chip(context)
-		val drawable = ChipDrawable.createFromAttributes(context, null, 0, R.style.Widget_Kotatsu_Chip)
+		val drawable = ChipDrawable.createFromAttributes(context, null, 0, chipStyle)
 		chip.setChipDrawable(drawable)
 		chip.isCheckedIconVisible = true
 		chip.isChipIconVisible = false
 		chip.setCheckedIconResource(R.drawable.ic_check)
-		chip.checkedIconTint = defaultChipIconTint
 		chip.isCloseIconVisible = onChipCloseClickListener != null
 		chip.setOnCloseIconClickListener(chipOnCloseListener)
 		chip.setEnsureMinTouchTargetSize(false)

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/CubicSlider.kt

@@ -0,0 +1,74 @@
+package org.koitharu.kotatsu.core.ui.widgets
+
+import android.content.Context
+import android.util.ArrayMap
+import android.util.AttributeSet
+import com.google.android.material.slider.Slider
+import kotlin.math.cbrt
+import kotlin.math.pow
+
+class CubicSlider @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+) : Slider(context, attrs) {
+
+	private val changeListeners = ArrayMap<OnChangeListener, OnChangeListenerMapper>(1)
+
+	override fun setValue(value: Float) {
+		super.setValue(value.unmap())
+	}
+
+	override fun getValue(): Float {
+		return super.getValue().map()
+	}
+
+	override fun getValueFrom(): Float {
+		return super.getValueFrom().map()
+	}
+
+	override fun setValueFrom(valueFrom: Float) {
+		super.setValueFrom(valueFrom.unmap())
+	}
+
+	override fun getValueTo(): Float {
+		return super.getValueTo().map()
+	}
+
+	override fun setValueTo(valueTo: Float) {
+		super.setValueTo(valueTo.unmap())
+	}
+
+	override fun addOnChangeListener(listener: OnChangeListener) {
+		val mapper = OnChangeListenerMapper(listener)
+		super.addOnChangeListener(mapper)
+		changeListeners[listener] = mapper
+	}
+
+	override fun removeOnChangeListener(listener: OnChangeListener) {
+		changeListeners.remove(listener)?.let {
+			super.removeOnChangeListener(it)
+		}
+	}
+
+	override fun clearOnChangeListeners() {
+		super.clearOnChangeListeners()
+		changeListeners.clear()
+	}
+
+	private fun Float.map(): Float {
+		return this.pow(3)
+	}
+
+	private fun Float.unmap(): Float {
+		return cbrt(this)
+	}
+
+	private inner class OnChangeListenerMapper(
+		private val delegate: OnChangeListener,
+	) : OnChangeListener {
+
+		override fun onValueChange(slider: Slider, value: Float, fromUser: Boolean) {
+			delegate.onValueChange(slider, value.map(), fromUser)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/NestedRecyclerView.kt

@@ -0,0 +1,44 @@
+package org.koitharu.kotatsu.core.ui.widgets
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import androidx.core.content.withStyledAttributes
+import androidx.recyclerview.widget.RecyclerView
+import org.koitharu.kotatsu.R
+
+class NestedRecyclerView @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null
+) : RecyclerView(context, attrs) {
+
+	private var maxHeight: Int = 0
+
+	init {
+		context.withStyledAttributes(attrs, R.styleable.NestedRecyclerView) {
+			maxHeight = getDimensionPixelSize(R.styleable.NestedRecyclerView_maxHeight, maxHeight)
+		}
+	}
+
+	@SuppressLint("ClickableViewAccessibility")
+	override fun onTouchEvent(e: MotionEvent?): Boolean {
+		if (e?.actionMasked == MotionEvent.ACTION_UP) {
+			requestDisallowInterceptTouchEvent(false)
+		} else {
+			requestDisallowInterceptTouchEvent(true)
+		}
+		return super.onTouchEvent(e)
+	}
+
+	override fun onMeasure(widthSpec: Int, heightSpec: Int) {
+		super.onMeasure(
+			widthSpec,
+			if (maxHeight == 0) {
+				heightSpec
+			} else {
+				MeasureSpec.makeMeasureSpec(maxHeight, MeasureSpec.AT_MOST)
+			},
+		)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/SlidingBottomNavigationView.kt

@@ -65,6 +65,9 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 	}
 
 	fun show() {
+		if (currentState == STATE_UP) {
+			return
+		}
 		currentAnimator?.cancel()
 		clearAnimation()
 
@@ -77,6 +80,9 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 	}
 
 	fun hide() {
+		if (currentState == STATE_DOWN) {
+			return
+		}
 		currentAnimator?.cancel()
 		clearAnimation()
 
@@ -117,6 +123,7 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 	}
 
 	internal class SavedState : AbsSavedState {
+
 		var currentState = STATE_UP
 		var translationY = 0F
 

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/TipView.kt

@@ -22,7 +22,6 @@ import org.koitharu.kotatsu.core.util.ext.getThemeColorStateList
 import org.koitharu.kotatsu.core.util.ext.setTextAndVisible
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ViewTipBinding
-import com.google.android.material.R as materialR
 
 class TipView @JvmOverloads constructor(
 	context: Context,

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/ZoomControl.kt

@@ -0,0 +1,38 @@
+package org.koitharu.kotatsu.core.ui.widgets
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.widget.LinearLayout
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.databinding.ViewZoomBinding
+
+class ZoomControl @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+) : LinearLayout(context, attrs), View.OnClickListener {
+
+	private val binding = ViewZoomBinding.inflate(LayoutInflater.from(context), this)
+
+	var listener: ZoomControlListener? = null
+
+	init {
+		binding.buttonZoomIn.setOnClickListener(this)
+		binding.buttonZoomOut.setOnClickListener(this)
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_zoom_in -> listener?.onZoomIn()
+			R.id.button_zoom_out -> listener?.onZoomOut()
+		}
+	}
+
+	interface ZoomControlListener {
+
+		fun onZoomIn()
+
+		fun onZoomOut()
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/CompositeMutex.kt

@@ -8,6 +8,7 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlin.coroutines.coroutineContext
 
+@Deprecated("", replaceWith = ReplaceWith("CompositeMutex2"))
 class CompositeMutex<T : Any> : Set<T> {
 
 	private val state = ArrayMap<T, MutableStateFlow<Boolean>>()
@@ -25,7 +26,7 @@ class CompositeMutex<T : Any> : Set<T> {
 	}
 
 	override fun isEmpty(): Boolean {
-		return state.isEmpty
+		return state.isEmpty()
 	}
 
 	override fun iterator(): Iterator<T> {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/CompositeMutex2.kt

@@ -19,7 +19,7 @@ class CompositeMutex2<T : Any> : Set<T> {
 	}
 
 	override fun isEmpty(): Boolean {
-		return delegates.isEmpty
+		return delegates.isEmpty()
 	}
 
 	override fun iterator(): Iterator<T> {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/LocaleComparator.kt

@@ -0,0 +1,23 @@
+package org.koitharu.kotatsu.core.util
+
+import androidx.core.os.LocaleListCompat
+import org.koitharu.kotatsu.core.util.ext.map
+import java.util.Locale
+
+class LocaleComparator : Comparator<Locale> {
+
+	private val deviceLocales = LocaleListCompat.getAdjustedDefault()//LocaleManagerCompat.getSystemLocales(context)
+		.map { it.language }
+		.distinct()
+
+	override fun compare(a: Locale, b: Locale): Int {
+		val indexA = deviceLocales.indexOf(a.language)
+		val indexB = deviceLocales.indexOf(b.language)
+		return when {
+			indexA < 0 && indexB < 0 -> compareValues(a.language, b.language)
+			indexA < 0 -> 1
+			indexB < 0 -> -1
+			else -> compareValues(indexA, indexB)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ScreenOrientationHelper.kt

@@ -6,13 +6,16 @@ import android.content.res.Configuration
 import android.database.ContentObserver
 import android.os.Handler
 import android.provider.Settings
+import dagger.hilt.android.scopes.ActivityScoped
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.channels.trySendBlocking
 import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.onStart
+import javax.inject.Inject
 
-class ScreenOrientationHelper(private val activity: Activity) {
+@ActivityScoped
+class ScreenOrientationHelper @Inject constructor(private val activity: Activity) {
 
 	val isAutoRotationEnabled: Boolean
 		get() = Settings.System.getInt(
@@ -31,9 +34,15 @@ class ScreenOrientationHelper(private val activity: Activity) {
 			}
 		}
 
-	fun toggleOrientation() {
-		isLandscape = !isLandscape
-	}
+	var isLocked: Boolean
+		get() = activity.requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED
+		set(value) {
+			activity.requestedOrientation = if (value) {
+				ActivityInfo.SCREEN_ORIENTATION_LOCKED
+			} else {
+				ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+			}
+		}
 
 	fun observeAutoOrientation() = callbackFlow {
 		val observer = object : ContentObserver(Handler(activity.mainLooper)) {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ViewBadge.kt

@@ -15,12 +15,17 @@ class ViewBadge(
 ) : View.OnLayoutChangeListener, DefaultLifecycleObserver {
 
 	private var badgeDrawable: BadgeDrawable? = null
+	private var maxCharacterCount: Int = -1
 
 	var counter: Int
 		get() = badgeDrawable?.number ?: 0
 		set(value) {
 			val badge = badgeDrawable ?: initBadge()
-			badge.number = value
+			if (maxCharacterCount != 0) {
+				badge.number = value
+			} else {
+				badge.clearNumber()
+			}
 			badge.isVisible = value > 0
 		}
 
@@ -48,8 +53,22 @@ class ViewBadge(
 		clearBadge()
 	}
 
+	fun setMaxCharacterCount(value: Int) {
+		maxCharacterCount = value
+		badgeDrawable?.let {
+			if (value == 0) {
+				it.clearNumber()
+			} else {
+				it.maxCharacterCount = value
+			}
+		}
+	}
+
 	private fun initBadge(): BadgeDrawable {
 		val badge = BadgeDrawable.create(anchor.context)
+		if (maxCharacterCount > 0) {
+			badge.maxCharacterCount = maxCharacterCount
+		}
 		anchor.addOnLayoutChangeListener(this)
 		BadgeUtils.attachBadgeDrawable(badge, anchor)
 		badgeDrawable = badge

app/src/main/kotlin/org/koitharu/kotatsu/core/util/WorkServiceStopHelper.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.core.util
 
 import android.annotation.SuppressLint
-import androidx.lifecycle.asFlow
 import androidx.work.WorkInfo
 import androidx.work.WorkManager
 import androidx.work.WorkQuery
@@ -27,8 +26,7 @@ class WorkServiceStopHelper(
 	fun setup() {
 		processLifecycleScope.launch(Dispatchers.Default) {
 			workManagerProvider.get()
-				.getWorkInfosLiveData(WorkQuery.fromStates(WorkInfo.State.RUNNING))
-				.asFlow()
+				.getWorkInfosFlow(WorkQuery.fromStates(WorkInfo.State.RUNNING))
 				.map { it.isEmpty() }
 				.distinctUntilChanged()
 				.collectLatest {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Android.kt

@@ -83,7 +83,7 @@ fun <I> ActivityResultLauncher<I>.tryLaunch(
 	e.printStackTraceDebug()
 }.isSuccess
 
-fun SharedPreferences.observe() = callbackFlow<String?> {
+fun SharedPreferences.observe(): Flow<String?> = callbackFlow {
 	val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
 		trySendBlocking(key)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Coil.kt

@@ -23,7 +23,7 @@ fun ImageView.newImageRequest(lifecycleOwner: LifecycleOwner, data: Any?): Image
 			return null
 		}
 	}
-	disposeImageRequest()
+	// disposeImageRequest()
 	return ImageRequest.Builder(context)
 		.data(data)
 		.lifecycle(lifecycleOwner)

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Collections.kt

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core.util.ext
 
 import androidx.collection.ArrayMap
 import androidx.collection.ArraySet
+import org.koitharu.kotatsu.BuildConfig
 import java.util.Collections
 import java.util.EnumSet
 
@@ -55,3 +56,15 @@ inline fun <reified E : Enum<E>> Collection<E>.toEnumSet(): EnumSet<E> = if (isE
 } else {
 	EnumSet.copyOf(this)
 }
+
+fun <E : Enum<E>> Collection<E>.sortedByOrdinal() = sortedBy { it.ordinal }
+
+fun <T> Iterable<T>.sortedWithSafe(comparator: Comparator<in T>): List<T> = try {
+	sortedWith(comparator)
+} catch (e: IllegalArgumentException) {
+	if (BuildConfig.DEBUG) {
+		throw e
+	} else {
+		toList()
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/ContentResolver.kt

@@ -50,7 +50,7 @@ private fun getVolumePathBeforeAndroid11(volumeId: String, context: Context): St
 	val length = ArrayReflect.getLength(checkNotNull(result))
 	(0 until length).firstNotNullOfOrNull { i ->
 		val storageVolumeElement = ArrayReflect.get(result, i)
-		val uuid = getUuid.invoke(storageVolumeElement) as String
+		val uuid = getUuid.invoke(storageVolumeElement) as String?
 		val primary = isPrimary.invoke(storageVolumeElement) as Boolean
 		when {
 			primary && volumeId == PRIMARY_VOLUME_NAME -> getPath.invoke(storageVolumeElement) as String

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Coroutines.kt

@@ -14,6 +14,7 @@ import kotlinx.coroutines.Deferred
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.suspendCancellableCoroutine
 import org.koitharu.kotatsu.core.util.RetainedLifecycleCoroutineScope
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
@@ -79,3 +80,11 @@ fun <T> Deferred<T>.getCompletionResultOrNull(): Result<T>? = if (isCompleted) {
 } else {
 	null
 }
+
+fun <T> Deferred<T>.peek(): T? = if (isCompleted) {
+	runCatchingCancellable {
+		getCompleted()
+	}.getOrNull()
+} else {
+	null
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/File.kt

@@ -7,7 +7,6 @@ import android.os.Build
 import android.os.Environment
 import android.os.storage.StorageManager
 import android.provider.OpenableColumns
-import androidx.annotation.WorkerThread
 import androidx.core.database.getStringOrNull
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
@@ -19,7 +18,9 @@ import java.io.FileFilter
 import java.nio.file.attribute.BasicFileAttributes
 import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
+import kotlin.io.path.ExperimentalPathApi
 import kotlin.io.path.readAttributes
+import kotlin.io.path.walk
 
 fun File.subdir(name: String) = File(this, name).also {
 	if (!it.exists()) it.mkdirs()
@@ -49,7 +50,7 @@ fun File.getStorageName(context: Context): String = runCatching {
 	}
 }.getOrNull() ?: context.getString(R.string.other_storage)
 
-fun Uri.toFileOrNull() = if (scheme == "file") path?.let(::File) else null
+fun Uri.toFileOrNull() = if (scheme == URI_SCHEME_FILE) path?.let(::File) else null
 
 suspend fun File.deleteAwait() = withContext(Dispatchers.IO) {
 	delete() || deleteRecursively()
@@ -71,31 +72,7 @@ fun ContentResolver.resolveName(uri: Uri): String? {
 }
 
 suspend fun File.computeSize(): Long = runInterruptible(Dispatchers.IO) {
-	computeSizeInternal(this)
-}
-
-@WorkerThread
-private fun computeSizeInternal(file: File): Long {
-	return if (file.isDirectory) {
-		file.children().sumOf { computeSizeInternal(it) }
-	} else {
-		file.length()
-	}
-}
-
-fun File.listFilesRecursive(filter: FileFilter? = null): Sequence<File> = sequence {
-	listFilesRecursiveImpl(this@listFilesRecursive, filter)
-}
-
-private suspend fun SequenceScope<File>.listFilesRecursiveImpl(root: File, filter: FileFilter?) {
-	val ss = root.children()
-	for (f in ss) {
-		if (f.isDirectory) {
-			listFilesRecursiveImpl(f, filter)
-		} else if (filter == null || filter.accept(f)) {
-			yield(f)
-		}
-	}
+	walkCompat().sumOf { it.length() }
 }
 
 fun File.children() = FileSequence(this)
@@ -108,3 +85,12 @@ val File.creationTime
 	} else {
 		lastModified()
 	}
+
+@OptIn(ExperimentalPathApi::class)
+fun File.walkCompat() = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+	// Use lazy loading on Android 8.0 and later
+	toPath().walk().map { it.toFile() }
+} else {
+	// Directories are excluded by default in Path.walk(), so do it here as well
+	walk().filter { it.isFile }
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Flow.kt

@@ -26,6 +26,17 @@ fun <T> Flow<T>.onFirst(action: suspend (T) -> Unit): Flow<T> {
 	}
 }
 
+fun <T> Flow<T>.onEachWhile(action: suspend (T) -> Boolean): Flow<T> {
+	var isCalled = false
+	return onEach {
+		if (!isCalled) {
+			isCalled = action(it)
+		}
+	}.onCompletion {
+		isCalled = false
+	}
+}
+
 inline fun <T, R> Flow<List<T>>.mapItems(crossinline transform: (T) -> R): Flow<List<R>> {
 	return map { list -> list.map(transform) }
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Http.kt

@@ -8,6 +8,7 @@ import okhttp3.Response
 import okhttp3.internal.closeQuietly
 import okio.IOException
 import org.json.JSONObject
+import org.jsoup.HttpStatusException
 import java.net.HttpURLConnection
 
 private val TYPE_JSON = "application/json".toMediaType()
@@ -34,9 +35,8 @@ val HttpUrl.isHttpOrHttps: Boolean
 
 fun Response.ensureSuccess() = apply {
 	if (!isSuccessful || code == HttpURLConnection.HTTP_NO_CONTENT) {
-		val message = "Invalid response: $code $message at ${request.url}"
 		closeQuietly()
-		throw IllegalStateException(message)
+		throw HttpStatusException(message, code, request.url.toString())
 	}
 }
 

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/LocaleList.kt

@@ -1,6 +1,9 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import android.content.Context
 import androidx.core.os.LocaleListCompat
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.parsers.util.toTitleCase
 import java.util.Locale
 
 operator fun LocaleListCompat.iterator(): ListIterator<Locale> = LocaleListCompatIterator(this)
@@ -17,6 +20,14 @@ inline fun <T> LocaleListCompat.mapToSet(block: (Locale) -> T): Set<T> {
 
 fun LocaleListCompat.getOrThrow(index: Int) = get(index) ?: throw NoSuchElementException()
 
+fun String?.getLocaleDisplayName(context: Context): String {
+	if (this == null) {
+		return context.getString(R.string.various_languages)
+	}
+	val lc = Locale(this)
+	return lc.getDisplayLanguage(lc).toTitleCase(lc)
+}
+
 private class LocaleListCompatIterator(private val list: LocaleListCompat) : ListIterator<Locale> {
 
 	private var index = 0

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Throwable.kt

@@ -19,6 +19,11 @@ import org.koitharu.kotatsu.core.exceptions.SyncApiException
 import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
 import org.koitharu.kotatsu.core.exceptions.UnsupportedFileException
 import org.koitharu.kotatsu.core.exceptions.WrongPasswordException
+import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_BOTH_LOCALE_GENRES_NOT_SUPPORTED
+import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_BOTH_STATES_GENRES_NOT_SUPPORTED
+import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_MULTIPLE_GENRES_NOT_SUPPORTED
+import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_MULTIPLE_STATES_NOT_SUPPORTED
+import org.koitharu.kotatsu.parsers.ErrorMessages.SEARCH_NOT_SUPPORTED
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.exception.ContentUnavailableException
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
@@ -27,7 +32,7 @@ import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 
 private const val MSG_NO_SPACE_LEFT = "No space left on device"
-private const val IMAGE_FORMAT_NO_SUPPORTED = "Image format not supported"
+private const val IMAGE_FORMAT_NOT_SUPPORTED = "Image format not supported"
 
 fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is AuthRequiredException -> resources.getString(R.string.auth_required)
@@ -56,8 +61,7 @@ fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is HttpException -> getHttpDisplayMessage(response.code, resources)
 	is HttpStatusException -> getHttpDisplayMessage(statusCode, resources)
 
-	is IOException -> getDisplayMessage(message, resources) ?: localizedMessage
-	else -> localizedMessage
+	else -> getDisplayMessage(message, resources) ?: localizedMessage
 }.ifNullOrEmpty {
 	resources.getString(R.string.error_occurred)
 }
@@ -82,7 +86,12 @@ private fun getHttpDisplayMessage(statusCode: Int, resources: Resources): String
 private fun getDisplayMessage(msg: String?, resources: Resources): String? = when {
 	msg.isNullOrEmpty() -> null
 	msg.contains(MSG_NO_SPACE_LEFT) -> resources.getString(R.string.error_no_space_left)
-	msg.contains(IMAGE_FORMAT_NO_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
+	msg.contains(IMAGE_FORMAT_NOT_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
+	msg == FILTER_MULTIPLE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_genres_not_supported)
+	msg == FILTER_MULTIPLE_STATES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_states_not_supported)
+	msg == SEARCH_NOT_SUPPORTED -> resources.getString(R.string.error_search_not_supported)
+	msg == FILTER_BOTH_LOCALE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_filter_locale_genre_not_supported)
+	msg == FILTER_BOTH_STATES_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_filter_states_genre_not_supported)
 	else -> null
 }
 

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Uri.kt

@@ -0,0 +1,50 @@
+package org.koitharu.kotatsu.core.util.ext
+
+import android.net.Uri
+import androidx.core.net.toFile
+import okio.Source
+import okio.source
+import okio.use
+import org.koitharu.kotatsu.local.data.util.withExtraCloseable
+import java.io.File
+import java.util.zip.ZipFile
+
+const val URI_SCHEME_FILE = "file"
+const val URI_SCHEME_ZIP = "file+zip"
+
+fun Uri.exists(): Boolean = when (scheme) {
+	URI_SCHEME_FILE -> toFile().exists()
+	URI_SCHEME_ZIP -> {
+		val file = File(requireNotNull(schemeSpecificPart))
+		file.exists() && ZipFile(file).use { it.getEntry(fragment) != null }
+	}
+
+	else -> unsupportedUri(this)
+}
+
+fun Uri.isTargetNotEmpty(): Boolean = when (scheme) {
+	URI_SCHEME_FILE -> toFile().isNotEmpty()
+	URI_SCHEME_ZIP -> {
+		val file = File(requireNotNull(schemeSpecificPart))
+		file.exists() && ZipFile(file).use { (it.getEntry(fragment)?.size ?: 0L) != 0L }
+	}
+
+	else -> unsupportedUri(this)
+}
+
+fun Uri.source(): Source = when (scheme) {
+	URI_SCHEME_FILE -> toFile().source()
+	URI_SCHEME_ZIP -> {
+		val zip = ZipFile(schemeSpecificPart)
+		val entry = zip.getEntry(fragment)
+		zip.getInputStream(entry).source().withExtraCloseable(zip)
+	}
+
+	else -> unsupportedUri(this)
+}
+
+fun File.toZipUri(entryName: String): Uri = Uri.parse("$URI_SCHEME_ZIP://$absolutePath#$entryName")
+
+private fun unsupportedUri(uri: Uri): Nothing {
+	throw IllegalArgumentException("Bad uri $uri: only schemes $URI_SCHEME_FILE and $URI_SCHEME_ZIP are supported")
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/View.kt

@@ -2,15 +2,17 @@ package org.koitharu.kotatsu.core.util.ext
 
 import android.app.Activity
 import android.graphics.Rect
+import android.os.Build
 import android.view.View
 import android.view.View.MeasureSpec
 import android.view.ViewGroup
-import android.view.ViewParent
 import android.view.inputmethod.InputMethodManager
 import android.widget.Checkable
 import androidx.core.view.children
+import androidx.core.view.descendants
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
 import androidx.viewpager2.widget.ViewPager2
 import com.google.android.material.progressindicator.BaseProgressIndicator
 import com.google.android.material.slider.Slider
@@ -67,6 +69,10 @@ inline fun ViewPager2.doOnPageChanged(crossinline callback: (Int) -> Unit) {
 val ViewPager2.recyclerView: RecyclerView?
 	get() = children.firstNotNullOfOrNull { it as? RecyclerView }
 
+fun ViewPager2.findCurrentViewHolder(): ViewHolder? {
+	return recyclerView?.findViewHolderForAdapterPosition(currentItem)
+}
+
 fun View.resetTransformations() {
 	alpha = 1f
 	translationX = 0f
@@ -89,23 +95,8 @@ fun Slider.setValueRounded(newValue: Float) {
 	value = roundedValue.coerceIn(valueFrom, valueTo)
 }
 
-fun <T : View> ViewGroup.findViewsByType(clazz: Class<T>): Sequence<T> {
-	if (childCount == 0) {
-		return emptySequence()
-	}
-	return sequence {
-		for (view in children) {
-			if (clazz.isInstance(view)) {
-				yield(clazz.cast(view)!!)
-			} else if (view is ViewGroup && view.childCount != 0) {
-				yieldAll(view.findViewsByType(clazz))
-			}
-		}
-	}
-}
-
 fun RecyclerView.invalidateNestedItemDecorations() {
-	findViewsByType(RecyclerView::class.java).forEach {
+	descendants.filterIsInstance<RecyclerView>().forEach {
 		it.invalidateItemDecorations()
 	}
 }
@@ -113,15 +104,7 @@ fun RecyclerView.invalidateNestedItemDecorations() {
 val View.parentView: ViewGroup?
 	get() = parent as? ViewGroup
 
-val View.parents: Sequence<ViewParent>
-	get() = sequence {
-		var p: ViewParent? = parent
-		while (p != null) {
-			yield(p)
-			p = p.parent
-		}
-	}
-
+@Suppress("UnusedReceiverParameter")
 fun View.measureDimension(desiredSize: Int, measureSpec: Int): Int {
 	var result: Int
 	val specMode = MeasureSpec.getMode(measureSpec)
@@ -164,3 +147,9 @@ fun BaseProgressIndicator<*>.showOrHide(value: Boolean) {
 		if (isVisible) hide()
 	}
 }
+
+fun View.setOnContextClickListenerCompat(listener: View.OnLongClickListener) {
+	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+		setOnContextClickListener(listener::onLongClick)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/WorkManager.kt

@@ -1,12 +1,14 @@
 package org.koitharu.kotatsu.core.util.ext
 
 import android.annotation.SuppressLint
+import androidx.work.Data
 import androidx.work.WorkInfo
 import androidx.work.WorkManager
 import androidx.work.WorkQuery
 import androidx.work.WorkRequest
 import androidx.work.await
 import androidx.work.impl.WorkManagerImpl
+import androidx.work.impl.model.WorkSpec
 import java.util.UUID
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
@@ -69,5 +71,24 @@ suspend fun WorkManager.awaitUpdateWork(request: WorkRequest): WorkManager.Updat
 	return updateWork(request).await()
 }
 
+@SuppressLint("RestrictedApi")
+suspend fun WorkManager.getWorkSpec(id: UUID): WorkSpec? = suspendCoroutine { cont ->
+	workManagerImpl.workTaskExecutor.executeOnTaskThread {
+		try {
+			val spec = workManagerImpl.workDatabase.workSpecDao().getWorkSpec(id.toString())
+			cont.resume(spec)
+		} catch (e: Exception) {
+			cont.resumeWithException(e)
+		}
+	}
+}
+
+
+@SuppressLint("RestrictedApi")
+suspend fun WorkManager.getWorkInputData(id: UUID): Data? = getWorkSpec(id)?.input
+
+val Data.isEmpty: Boolean
+	get() = this == Data.EMPTY
+
 private val WorkManager.workManagerImpl
 	@SuppressLint("RestrictedApi") inline get() = this as WorkManagerImpl