Translated using Weblate (German)

Currently translated at 100.0% (7 of 7 strings)

Translated using Weblate (German)

Currently translated at 99.5% (412 of 414 strings)

Co-authored-by: ctntt <pavlov_mainstreamed@slmail.me>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/plurals/de/
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/de/
Translation: Kotatsu/Strings
Translation: Kotatsu/plurals

README.md

@@ -2,17 +2,12 @@
 
 Kotatsu is a free and open source manga reader for Android.
 
-![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) ![Kotlin](https://img.shields.io/github/languages/top/KotatsuApp/Kotatsu) ![License](https://img.shields.io/github/license/KotatsuApp/Kotatsu) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![4pda](https://img.shields.io/badge/discuss-4pda-2982CC)](http://4pda.ru/forum/index.php?showtopic=697669) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5)
+![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) ![Kotlin](https://img.shields.io/github/languages/top/KotatsuApp/Kotatsu) ![License](https://img.shields.io/github/license/KotatsuApp/Kotatsu) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![Telegram](https://img.shields.io/badge/chat-telegram-60ACFF)](https://t.me/kotatsuapp) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5)
 
 ### Download
 
-[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-alt="Get it on F-Droid"
-height="80">](https://f-droid.org/packages/org.koitharu.kotatsu)
-
-Download APK directly from GitHub:
-
-- **[Latest release](https://github.com/KotatsuApp/Kotatsu/releases/latest)**
+- **Recommended:** Download and install APK from **[GitHub Releases](https://github.com/KotatsuApp/Kotatsu/releases/latest)**. Application has a built-in self-updating feature.
+- Get it on **[F-Droid](https://f-droid.org/packages/org.koitharu.kotatsu)**. The F-Droid build may be a bit outdated and some fixes might be missing.
 
 ### Main Features
 

app/build.gradle

@@ -15,8 +15,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 33
-		versionCode 520
-		versionName '4.4.4'
+		versionCode 544
+		versionName '5.1'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -44,22 +44,21 @@ android {
 		androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
 	}
 	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_1_8
-		targetCompatibility JavaVersion.VERSION_1_8
+		sourceCompatibility JavaVersion.VERSION_17
+		targetCompatibility JavaVersion.VERSION_17
 	}
 	kotlinOptions {
-		jvmTarget = JavaVersion.VERSION_1_8.toString()
+		jvmTarget = JavaVersion.VERSION_17.toString()
 		freeCompilerArgs += [
 			'-opt-in=kotlin.ExperimentalStdlibApi',
 			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
 			'-opt-in=kotlinx.coroutines.FlowPreview',
 			'-opt-in=kotlin.contracts.ExperimentalContracts',
 			'-opt-in=coil.annotation.ExperimentalCoilApi',
-			'-opt-in=com.google.android.material.badge.ExperimentalBadgeUtils',
 		]
 	}
 	lint {
-		abortOnError false
+		abortOnError true
 		disable 'MissingTranslation', 'PrivateResource', 'NotifyDataSetChanged'
 	}
 	testOptions {
@@ -78,35 +77,43 @@ afterEvaluate {
 	}
 }
 dependencies {
-	implementation('com.github.KotatsuApp:kotatsu-parsers:e8d299782b') {
+	//noinspection GradleDependency
+	implementation('com.github.KotatsuApp:kotatsu-parsers:cae7073f87') {
 		exclude group: 'org.json', module: 'json'
 	}
 
-	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.8.10'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4'
+	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.8.21'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.0'
 
 	implementation 'androidx.appcompat:appcompat:1.6.1'
-	implementation 'androidx.core:core-ktx:1.9.0'
-	implementation 'androidx.activity:activity-ktx:1.6.1'
-	implementation 'androidx.fragment:fragment-ktx:1.5.5'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.5.1'
+	implementation 'androidx.core:core-ktx:1.10.1'
+	implementation 'androidx.activity:activity-ktx:1.7.1'
+	implementation 'androidx.fragment:fragment-ktx:1.5.7'
+	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.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-	implementation 'androidx.recyclerview:recyclerview:1.2.1'
+	implementation 'androidx.recyclerview:recyclerview:1.3.0'
 	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta01'
 	implementation 'androidx.preference:preference-ktx:1.2.0'
-	implementation 'androidx.work:work-runtime-ktx:2.8.0'
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha05'
-	implementation 'com.google.android.material:material:1.8.0'
+	implementation 'com.google.android.material:material:1.9.0'
 	//noinspection LifecycleAnnotationProcessorWithJava8
-	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.1'
+	kapt 'androidx.lifecycle:lifecycle-compiler:2.6.1'
 
-	implementation 'androidx.room:room-runtime:2.5.0'
-	implementation 'androidx.room:room-ktx:2.5.0'
-	kapt 'androidx.room:room-compiler:2.5.0'
+	implementation 'androidx.work:work-runtime-ktx:2.8.1'
+	//noinspection GradleDependency
+	implementation('com.google.guava:guava:31.1-android') {
+		exclude group: 'com.google.guava', module: 'failureaccess'
+		exclude group: 'org.checkerframework', module: 'checker-qual'
+		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
+	}
+
+	implementation 'androidx.room:room-runtime:2.5.1'
+	implementation 'androidx.room:room-ktx:2.5.1'
+	kapt 'androidx.room:room-compiler:2.5.1'
 
 	implementation 'com.squareup.okhttp3:okhttp:4.10.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
@@ -115,13 +122,13 @@ dependencies {
 	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:2.45'
-	kapt 'com.google.dagger:hilt-compiler:2.45'
+	implementation 'com.google.dagger:hilt-android:2.46.1'
+	kapt 'com.google.dagger:hilt-compiler:2.46.1'
 	implementation 'androidx.hilt:hilt-work:1.0.0'
 	kapt 'androidx.hilt:hilt-compiler:1.0.0'
 
-	implementation 'io.coil-kt:coil-base:2.2.2'
-	implementation 'io.coil-kt:coil-svg:2.2.2'
+	implementation 'io.coil-kt:coil-base:2.3.0'
+	implementation 'io.coil-kt:coil-svg:2.3.0'
 	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:1b19231b2f'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
@@ -132,19 +139,19 @@ dependencies {
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.10'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20220924'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4'
+	testImplementation 'org.json:json:20230227'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.0'
 
 	androidTestImplementation 'androidx.test:runner:1.5.2'
 	androidTestImplementation 'androidx.test:rules:1.5.0'
 	androidTestImplementation 'androidx.test:core-ktx:1.5.0'
 	androidTestImplementation 'androidx.test.ext:junit-ktx:1.1.5'
 
-	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4'
+	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.0'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.0'
+	androidTestImplementation 'androidx.room:room-testing:2.5.1'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.14.0'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.45'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.45'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.46.1'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.46.1'
 }

app/proguard-rules.pro

@@ -10,7 +10,10 @@
 }
 -keep public class ** extends org.koitharu.kotatsu.base.ui.BaseFragment
 -keep class org.koitharu.kotatsu.core.db.entity.* { *; }
--dontwarn okhttp3.internal.platform.ConscryptPlatform
+-dontwarn okhttp3.internal.platform.**
+-dontwarn org.conscrypt.**
+-dontwarn org.bouncycastle.**
+-dontwarn org.openjsse.**
 
 -keep class org.koitharu.kotatsu.core.exceptions.* { *; }
 -keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment

app/sampledata/genres

@@ -1,10 +0,0 @@
-Slice of Life, Mystery
-Slice of Life, Mystery
-Psychological, Romance, Comedy, Slice of Life, Supernatural
-Sci-Fi, Comedy
-Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
-Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
-Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
-Reincarnation, Sci-Fi, Historical, Psychological, Drama, Slice of Life, Supernatural, Mystery
-Adventure, Slice of Life, Mystery
-Adventure, Slice of Life, Mystery

app/sampledata/titles

@@ -1,10 +0,0 @@
-Forget-me-not Vol. 1
-Forget-me-not Vol. 2
-La Pomme Prisoinniere
-Momo Kanchou no Himitsu Kichi
-Omoide Emanon
-Sasurai Emanon Vol. 1
-Sasurai Emanon Vol. 2
-Sasurai Emanon Vol. 3
-Wandering Island Vol. 1
-Wandering Island Vol. 2

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

@@ -5,8 +5,6 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import dagger.hilt.android.testing.HiltAndroidRule
 import dagger.hilt.android.testing.HiltAndroidTest
-import java.io.File
-import javax.inject.Inject
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.test.runTest
 import org.junit.Assert.*
@@ -20,6 +18,8 @@ import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.history.domain.HistoryRepository
+import java.io.File
+import javax.inject.Inject
 
 @HiltAndroidTest
 @RunWith(AndroidJUnit4::class)
@@ -52,6 +52,7 @@ class AppBackupAgentTest {
 			title = SampleData.favouriteCategory.title,
 			sortOrder = SampleData.favouriteCategory.order,
 			isTrackerEnabled = SampleData.favouriteCategory.isTrackingEnabled,
+			isVisibleOnShelf = SampleData.favouriteCategory.isVisibleInLibrary,
 		)
 		favouritesRepository.addToCategory(categoryId = category.id, mangas = listOf(SampleData.manga))
 		historyRepository.addOrUpdate(

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

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
 	<bool name="leak_canary_add_launcher_icon" tools:node="replace">false</bool>
-	<bool name="is_sync_enabled">true</bool>
 </resources>

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

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+	<string name="account_type_sync" translatable="false">org.kotatsu.debug.sync</string>
+	<string name="sync_authority_history" translatable="false">org.koitharu.kotatsu.debug.history</string>
+	<string name="sync_authority_favourites" translatable="false">org.koitharu.kotatsu.debug.favourites</string>
+</resources>

app/src/main/AndroidManifest.xml

@@ -86,7 +86,18 @@
 		<activity
 			android:name="org.koitharu.kotatsu.settings.SettingsActivity"
 			android:exported="true"
-			android:label="@string/settings" />
+			android:label="@string/settings">
+			<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="about" />
+				<data android:host="sync-settings" />
+			</intent-filter>
+		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.browser.BrowserActivity"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
@@ -118,7 +129,7 @@
 			android:name="org.koitharu.kotatsu.settings.protect.ProtectSetupActivity"
 			android:windowSoftInputMode="adjustResize" />
 		<activity
-			android:name="org.koitharu.kotatsu.download.ui.DownloadsActivity"
+			android:name="org.koitharu.kotatsu.download.ui.list.DownloadsActivity"
 			android:label="@string/downloads"
 			android:launchMode="singleTop" />
 		<activity android:name="org.koitharu.kotatsu.image.ui.ImageActivity" />
@@ -145,16 +156,14 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data android:scheme="kotatsu" />
+				<data android:host="shikimori-auth" />
+				<data android:host="anilist-auth" />
+				<data android:host="mal-auth" />
 			</intent-filter>
 
 		</activity>
 
-		<service
-			android:name="org.koitharu.kotatsu.download.ui.service.DownloadService"
-			android:foregroundServiceType="dataSync"
-			android:stopWithTask="false" />
 		<service android:name="org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService" />
-		<service android:name="org.koitharu.kotatsu.local.ui.ImportService" />
 		<service
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetService"
 			android:permission="android.permission.BIND_REMOTEVIEWS" />
@@ -215,20 +224,26 @@
 		</provider>
 		<provider
 			android:name="org.koitharu.kotatsu.sync.ui.favourites.FavouritesSyncProvider"
-			android:authorities="org.koitharu.kotatsu.favourites"
+			android:authorities="@string/sync_authority_favourites"
 			android:exported="false"
 			android:label="@string/favourites"
 			android:syncable="true" />
 		<provider
 			android:name="org.koitharu.kotatsu.sync.ui.history.HistorySyncProvider"
-			android:authorities="org.koitharu.kotatsu.history"
+			android:authorities="@string/sync_authority_history"
 			android:exported="false"
 			android:label="@string/history"
 			android:syncable="true" />
 		<provider
 			android:name="androidx.startup.InitializationProvider"
 			android:authorities="${applicationId}.androidx-startup"
-			tools:node="remove" />
+			android:exported="false"
+			tools:node="remove">
+			<meta-data
+				android:name="androidx.work.WorkManagerInitializer"
+				android:value="androidx.startup"
+				tools:node="remove" />
+		</provider>
 
 		<receiver
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetProvider"

app/src/main/java/org/koitharu/kotatsu/KotatsuApp.kt

@@ -23,6 +23,8 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.utils.WorkServiceStopHelper
 import org.koitharu.kotatsu.utils.ext.processLifecycleScope
 import javax.inject.Inject
 
@@ -55,6 +57,7 @@ class KotatsuApp : Application(), Configuration.Provider {
 		processLifecycleScope.launch(Dispatchers.Default) {
 			setupDatabaseObservers()
 		}
+		WorkServiceStopHelper(applicationContext).setup()
 	}
 
 	override fun attachBaseContext(base: Context?) {
@@ -125,6 +128,7 @@ class KotatsuApp : Application(), Configuration.Provider {
 				.setClassInstanceLimit(LocalMangaRepository::class.java, 1)
 				.setClassInstanceLimit(PagesCache::class.java, 1)
 				.setClassInstanceLimit(MangaLoaderContext::class.java, 1)
+				.setClassInstanceLimit(PageLoader::class.java, 1)
 				.penaltyLog()
 				.build(),
 		)

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaDataRepository.kt

@@ -4,6 +4,7 @@ import android.graphics.BitmapFactory
 import android.net.Uri
 import android.util.Size
 import androidx.room.withTransaction
+import dagger.Reusable
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.distinctUntilChanged
@@ -34,6 +35,7 @@ import kotlin.math.roundToInt
 
 private const val MIN_WEBTOON_RATIO = 2
 
+@Reusable
 class MangaDataRepository @Inject constructor(
 	private val okHttpClient: OkHttpClient,
 	private val db: MangaDatabase,
@@ -126,7 +128,7 @@ class MangaDataRepository @Inject constructor(
 				.url(url)
 				.get()
 				.tag(MangaSource::class.java, page.source)
-				.cacheControl(CommonHeaders.CACHE_CONTROL_DISABLED)
+				.cacheControl(CommonHeaders.CACHE_CONTROL_NO_STORE)
 				.build()
 			okHttpClient.newCall(request).await().use {
 				runInterruptible(Dispatchers.IO) {

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaIntent.kt

@@ -3,15 +3,17 @@ package org.koitharu.kotatsu.base.domain
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
+import androidx.lifecycle.SavedStateHandle
+import org.koitharu.kotatsu.base.ui.BaseActivity
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.utils.ext.getParcelableCompat
 import org.koitharu.kotatsu.utils.ext.getParcelableExtraCompat
 
 class MangaIntent private constructor(
-	val manga: Manga?,
-	val mangaId: Long,
-	val uri: Uri?,
+	@JvmField val manga: Manga?,
+	@JvmField val mangaId: Long,
+	@JvmField val uri: Uri?,
 ) {
 
 	constructor(intent: Intent?) : this(
@@ -20,6 +22,12 @@ class MangaIntent private constructor(
 		uri = intent?.data,
 	)
 
+	constructor(savedStateHandle: SavedStateHandle) : this(
+		manga = savedStateHandle.get<ParcelableManga>(KEY_MANGA)?.manga,
+		mangaId = savedStateHandle[KEY_ID] ?: ID_NONE,
+		uri = savedStateHandle[BaseActivity.EXTRA_DATA],
+	)
+
 	constructor(args: Bundle?) : this(
 		manga = args?.getParcelableCompat<ParcelableManga>(KEY_MANGA)?.manga,
 		mangaId = args?.getLong(KEY_ID, ID_NONE) ?: ID_NONE,

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseActivity.kt

@@ -1,6 +1,8 @@
 package org.koitharu.kotatsu.base.ui
 
+import android.content.Intent
 import android.content.res.Configuration
+import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.view.KeyEvent
@@ -26,39 +28,51 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.util.ActionModeDelegate
 import org.koitharu.kotatsu.base.ui.util.BaseActivityEntryPoint
 import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
-import org.koitharu.kotatsu.base.ui.util.inject
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.utils.ext.getThemeColor
-import javax.inject.Inject
 
+@Suppress("LeakingThis")
 abstract class BaseActivity<B : ViewBinding> :
 	AppCompatActivity(),
 	WindowInsetsDelegate.WindowInsetsListener {
 
-	@Inject
-	lateinit var settings: AppSettings
+	private var isAmoledTheme = false
 
 	protected lateinit var binding: B
 		private set
 
-	@Suppress("LeakingThis")
+	@JvmField
 	protected val exceptionResolver = ExceptionResolver(this)
 
-	@Suppress("LeakingThis")
+	@JvmField
 	protected val insetsDelegate = WindowInsetsDelegate(this)
 
+	@JvmField
 	val actionModeDelegate = ActionModeDelegate()
 
+	private var defaultStatusBarColor = Color.TRANSPARENT
+
 	override fun onCreate(savedInstanceState: Bundle?) {
-		EntryPointAccessors.fromApplication(this, BaseActivityEntryPoint::class.java).inject(this)
+		val settings = EntryPointAccessors.fromApplication(this, BaseActivityEntryPoint::class.java).settings
+		isAmoledTheme = settings.isAmoledTheme
 		setTheme(settings.colorScheme.styleResId)
-		if (settings.isAmoledTheme) {
+		if (isAmoledTheme) {
 			setTheme(R.style.ThemeOverlay_Kotatsu_Amoled)
 		}
 		super.onCreate(savedInstanceState)
 		WindowCompat.setDecorFitsSystemWindows(window, false)
 		insetsDelegate.handleImeInsets = true
+		putDataToExtras(intent)
+	}
+
+	override fun onPostCreate(savedInstanceState: Bundle?) {
+		super.onPostCreate(savedInstanceState)
+		onBackPressedDispatcher.addCallback(actionModeDelegate)
+	}
+
+	override fun onNewIntent(intent: Intent?) {
+		putDataToExtras(intent)
+		super.onNewIntent(intent)
 	}
 
 	@Deprecated("Use ViewBinding", level = DeprecationLevel.ERROR)
@@ -102,17 +116,21 @@ abstract class BaseActivity<B : ViewBinding> :
 	protected fun isDarkAmoledTheme(): Boolean {
 		val uiMode = resources.configuration.uiMode
 		val isNight = uiMode and Configuration.UI_MODE_NIGHT_MASK == Configuration.UI_MODE_NIGHT_YES
-		return isNight && settings.isAmoledTheme
+		return isNight && isAmoledTheme
 	}
 
 	@CallSuper
 	override fun onSupportActionModeStarted(mode: ActionMode) {
 		super.onSupportActionModeStarted(mode)
 		actionModeDelegate.onSupportActionModeStarted(mode)
-		val actionModeColor = ColorUtils.compositeColors(
-			ContextCompat.getColor(this, com.google.android.material.R.color.m3_appbar_overlay_color),
-			getThemeColor(com.google.android.material.R.attr.colorSurface),
-		)
+		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),
+			)
+		} else {
+			ContextCompat.getColor(this, R.color.kotatsu_secondaryContainer)
+		}
 		val insets = ViewCompat.getRootWindowInsets(binding.root)
 			?.getInsets(WindowInsetsCompat.Type.systemBars()) ?: return
 		findViewById<ActionBarContextView?>(androidx.appcompat.R.id.action_mode_bar).apply {
@@ -121,6 +139,7 @@ abstract class BaseActivity<B : ViewBinding> :
 				topMargin = insets.top
 			}
 		}
+		defaultStatusBarColor = window.statusBarColor
 		window.statusBarColor = actionModeColor
 	}
 
@@ -128,20 +147,15 @@ abstract class BaseActivity<B : ViewBinding> :
 	override fun onSupportActionModeFinished(mode: ActionMode) {
 		super.onSupportActionModeFinished(mode)
 		actionModeDelegate.onSupportActionModeFinished(mode)
-		window.statusBarColor = getThemeColor(android.R.attr.statusBarColor)
+		window.statusBarColor = defaultStatusBarColor
 	}
 
-	@Suppress("DEPRECATION", "DeprecatedCallableAddReplaceWith")
-	@Deprecated("Should not be used")
-	override fun onBackPressed() {
-		if ( // https://issuetracker.google.com/issues/139738913
-			Build.VERSION.SDK_INT == Build.VERSION_CODES.Q &&
-			isTaskRoot &&
-			supportFragmentManager.backStackEntryCount == 0
-		) {
-			finishAfterTransition()
-		} else {
-			super.onBackPressed()
-		}
+	private fun putDataToExtras(intent: Intent?) {
+		intent?.putExtra(EXTRA_DATA, intent.data)
+	}
+
+	companion object {
+
+		const val EXTRA_DATA = "data"
 	}
 }

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseBottomSheet.kt

@@ -2,7 +2,6 @@ package org.koitharu.kotatsu.base.ui
 
 import android.app.Dialog
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -15,7 +14,8 @@ import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.dialog.AppBottomSheetDialog
-import org.koitharu.kotatsu.utils.ext.displayCompat
+import org.koitharu.kotatsu.utils.ext.findActivity
+import org.koitharu.kotatsu.utils.ext.getDisplaySize
 import com.google.android.material.R as materialR
 
 abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
@@ -41,21 +41,20 @@ abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
 	): View {
 		val binding = onInflateView(inflater, container)
 		viewBinding = binding
+		return binding.root
+	}
 
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
 		// Enforce max width for tablets
 		val width = resources.getDimensionPixelSize(R.dimen.bottom_sheet_width)
 		if (width > 0) {
 			behavior?.maxWidth = width
 		}
-
-		// Set peek height to 50% display height
-		requireContext().displayCompat?.let {
-			val metrics = DisplayMetrics()
-			it.getRealMetrics(metrics)
-			behavior?.peekHeight = (metrics.heightPixels * 0.4).toInt()
+		// Set peek height to 40% display height
+		binding.root.context.findActivity()?.getDisplaySize()?.let {
+			behavior?.peekHeight = (it.height() * 0.4).toInt()
 		}
-
-		return binding.root
 	}
 
 	override fun onDestroyView() {

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseFragment.kt

@@ -10,6 +10,7 @@ import org.koitharu.kotatsu.base.ui.util.ActionModeDelegate
 import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 
+@Suppress("LeakingThis")
 abstract class BaseFragment<B : ViewBinding> :
 	Fragment(),
 	WindowInsetsDelegate.WindowInsetsListener {
@@ -19,10 +20,10 @@ abstract class BaseFragment<B : ViewBinding> :
 	protected val binding: B
 		get() = checkNotNull(viewBinding)
 
-	@Suppress("LeakingThis")
+	@JvmField
 	protected val exceptionResolver = ExceptionResolver(this)
 
-	@Suppress("LeakingThis")
+	@JvmField
 	protected val insetsDelegate = WindowInsetsDelegate(this)
 
 	protected val actionModeDelegate: ActionModeDelegate

app/src/main/java/org/koitharu/kotatsu/base/ui/BasePreferenceFragment.kt

@@ -9,12 +9,13 @@ import androidx.core.view.updatePadding
 import androidx.preference.PreferenceFragmentCompat
 import androidx.recyclerview.widget.RecyclerView
 import dagger.hilt.android.AndroidEntryPoint
-import javax.inject.Inject
 import org.koitharu.kotatsu.base.ui.util.RecyclerViewOwner
 import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.settings.SettingsHeadersFragment
+import javax.inject.Inject
 
+@Suppress("LeakingThis")
 @AndroidEntryPoint
 abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 	PreferenceFragmentCompat(),
@@ -24,7 +25,7 @@ abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 	@Inject
 	lateinit var settings: AppSettings
 
-	@Suppress("LeakingThis")
+	@JvmField
 	protected val insetsDelegate = WindowInsetsDelegate(this)
 
 	override val recyclerView: RecyclerView
@@ -55,7 +56,6 @@ abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 		)
 	}
 
-	@Suppress("UsePropertyAccessSyntax")
 	protected fun setTitle(title: CharSequence) {
 		(parentFragment as? SettingsHeadersFragment)?.setTitle(title)
 			?: activity?.setTitle(title)

app/src/main/java/org/koitharu/kotatsu/base/ui/BaseViewModel.kt

@@ -3,16 +3,24 @@ package org.koitharu.kotatsu.base.ui
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CoroutineExceptionHandler
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.base.ui.util.CountedBooleanLiveData
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import kotlin.coroutines.CoroutineContext
+import kotlin.coroutines.EmptyCoroutineContext
 
 abstract class BaseViewModel : ViewModel() {
 
+	@JvmField
 	protected val loadingCounter = CountedBooleanLiveData()
+
+	@JvmField
 	protected val errorEvent = SingleLiveEvent<Throwable>()
 
 	val onError: LiveData<Throwable>
@@ -46,4 +54,4 @@ abstract class BaseViewModel : ViewModel() {
 			errorEvent.postCall(throwable)
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/CoroutineIntentService.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.base.ui
 
-import android.app.Service
 import android.content.Intent
 import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.CoroutineDispatcher
@@ -20,7 +19,7 @@ abstract class CoroutineIntentService : BaseService() {
 	final override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
 		super.onStartCommand(intent, flags, startId)
 		launchCoroutine(intent, startId)
-		return Service.START_REDELIVER_INTENT
+		return START_REDELIVER_INTENT
 	}
 
 	private fun launchCoroutine(intent: Intent?, startId: Int) = lifecycleScope.launch(errorHandler(startId)) {

app/src/main/java/org/koitharu/kotatsu/base/ui/dialog/RecyclerViewAlertDialog.kt

@@ -0,0 +1,93 @@
+package org.koitharu.kotatsu.base.ui.dialog
+
+import android.content.Context
+import android.content.DialogInterface
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import androidx.appcompat.app.AlertDialog
+import androidx.core.view.updatePadding
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.hannesdorfmann.adapterdelegates4.AdapterDelegate
+import com.hannesdorfmann.adapterdelegates4.AdapterDelegatesManager
+import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
+import org.koitharu.kotatsu.R
+
+class RecyclerViewAlertDialog private constructor(
+	private val delegate: AlertDialog
+) : DialogInterface by delegate {
+
+	fun show() = delegate.show()
+
+	class Builder<T>(context: Context) {
+
+		private val recyclerView = RecyclerView(context)
+		private val delegatesManager = AdapterDelegatesManager<List<T>>()
+		private var items: List<T>? = null
+
+		private val delegate = MaterialAlertDialogBuilder(context)
+			.setView(recyclerView)
+
+		init {
+			recyclerView.layoutManager = LinearLayoutManager(context)
+			recyclerView.updatePadding(
+				top = context.resources.getDimensionPixelOffset(R.dimen.list_spacing),
+			)
+			recyclerView.clipToPadding = false
+		}
+
+		fun setTitle(@StringRes titleResId: Int): Builder<T> {
+			delegate.setTitle(titleResId)
+			return this
+		}
+
+		fun setTitle(title: CharSequence): Builder<T> {
+			delegate.setTitle(title)
+			return this
+		}
+
+		fun setIcon(@DrawableRes iconId: Int): Builder<T> {
+			delegate.setIcon(iconId)
+			return this
+		}
+
+		fun setPositiveButton(
+			@StringRes textId: Int,
+			listener: DialogInterface.OnClickListener,
+		): Builder<T> {
+			delegate.setPositiveButton(textId, listener)
+			return this
+		}
+
+		fun setNegativeButton(
+			@StringRes textId: Int,
+			listener: DialogInterface.OnClickListener? = null
+		): Builder<T> {
+			delegate.setNegativeButton(textId, listener)
+			return this
+		}
+
+		fun setCancelable(isCancelable: Boolean): Builder<T> {
+			delegate.setCancelable(isCancelable)
+			return this
+		}
+
+		fun addAdapterDelegate(subject: AdapterDelegate<List<T>>): Builder<T> {
+			delegatesManager.addDelegate(subject)
+			return this
+		}
+
+		fun setItems(list: List<T>): Builder<T> {
+			items = list
+			return this
+		}
+
+		fun create(): RecyclerViewAlertDialog {
+			recyclerView.adapter = ListDelegationAdapter(delegatesManager).also {
+				it.items = items
+			}
+			return RecyclerViewAlertDialog(delegate.create())
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/dialog/TwoButtonsAlertDialog.kt

@@ -0,0 +1,79 @@
+package org.koitharu.kotatsu.base.ui.dialog
+
+import android.content.Context
+import android.content.DialogInterface
+import android.view.LayoutInflater
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import androidx.appcompat.app.AlertDialog
+import androidx.core.view.isVisible
+import com.google.android.material.button.MaterialButton
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.databinding.DialogTwoButtonsBinding
+
+class TwoButtonsAlertDialog private constructor(
+	private val delegate: AlertDialog
+) : DialogInterface by delegate {
+
+	fun show() = delegate.show()
+
+	class Builder(context: Context) {
+
+		private val binding = DialogTwoButtonsBinding.inflate(LayoutInflater.from(context))
+
+		private val delegate = MaterialAlertDialogBuilder(context)
+			.setView(binding.root)
+
+		fun setTitle(@StringRes titleResId: Int): Builder {
+			binding.title.setText(titleResId)
+			return this
+		}
+
+		fun setTitle(title: CharSequence): Builder {
+			binding.title.text = title
+			return this
+		}
+
+		fun setIcon(@DrawableRes iconId: Int): Builder {
+			binding.icon.setImageResource(iconId)
+			return this
+		}
+
+		fun setPositiveButton(
+			@StringRes textId: Int,
+			listener: DialogInterface.OnClickListener,
+		): Builder {
+			initButton(binding.button1, DialogInterface.BUTTON_POSITIVE, textId, listener)
+			return this
+		}
+
+		fun setNegativeButton(
+			@StringRes textId: Int,
+			listener: DialogInterface.OnClickListener? = null
+		): Builder {
+			initButton(binding.button2, DialogInterface.BUTTON_NEGATIVE, textId, listener)
+			return this
+		}
+
+		fun create(): TwoButtonsAlertDialog {
+			val dialog = delegate.create()
+			binding.root.tag = dialog
+			return TwoButtonsAlertDialog(dialog)
+		}
+
+		private fun initButton(
+			button: MaterialButton,
+			which: Int,
+			@StringRes textId: Int,
+			listener: DialogInterface.OnClickListener?,
+		) {
+			button.setText(textId)
+			button.isVisible = true
+			button.setOnClickListener {
+				val dialog = binding.root.tag as DialogInterface
+				listener?.onClick(dialog, which)
+				dialog.dismiss()
+			}
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/BoundsScrollListener.kt

@@ -6,8 +6,6 @@ import androidx.recyclerview.widget.RecyclerView
 abstract class BoundsScrollListener(private val offsetTop: Int, private val offsetBottom: Int) :
 	RecyclerView.OnScrollListener() {
 
-	constructor(offset: Int = 0) : this(offset, offset)
-
 	override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
 		super.onScrolled(recyclerView, dx, dy)
 		val layoutManager = (recyclerView.layoutManager as? LinearLayoutManager) ?: return
@@ -28,4 +26,4 @@ abstract class BoundsScrollListener(private val offsetTop: Int, private val offs
 	abstract fun onScrolledToStart(recyclerView: RecyclerView)
 
 	abstract fun onScrolledToEnd(recyclerView: RecyclerView)
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/NestedScrollStateHandle.kt

@@ -0,0 +1,64 @@
+package org.koitharu.kotatsu.base.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/java/org/koitharu/kotatsu/base/ui/list/OnListItemClickListener.kt

@@ -2,9 +2,9 @@ package org.koitharu.kotatsu.base.ui.list
 
 import android.view.View
 
-interface OnListItemClickListener<I> {
+fun interface OnListItemClickListener<I> {
 
 	fun onItemClick(item: I, view: View)
 
 	fun onItemLongClick(item: I, view: View) = false
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/OnTipCloseListener.kt

@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.base.ui.list
+
+interface OnTipCloseListener<T> {
+
+	fun onCloseTip(tip: T)
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/util/ActionModeDelegate.kt

@@ -1,10 +1,11 @@
 package org.koitharu.kotatsu.base.ui.util
 
+import androidx.activity.OnBackPressedCallback
 import androidx.appcompat.view.ActionMode
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
 
-class ActionModeDelegate {
+class ActionModeDelegate : OnBackPressedCallback(false) {
 
 	private var activeActionMode: ActionMode? = null
 	private var listeners: MutableList<ActionModeListener>? = null
@@ -12,13 +13,19 @@ class ActionModeDelegate {
 	val isActionModeStarted: Boolean
 		get() = activeActionMode != null
 
+	override fun handleOnBackPressed() {
+		activeActionMode?.finish()
+	}
+
 	fun onSupportActionModeStarted(mode: ActionMode) {
 		activeActionMode = mode
+		isEnabled = true
 		listeners?.forEach { it.onActionModeStarted(mode) }
 	}
 
 	fun onSupportActionModeFinished(mode: ActionMode) {
 		activeActionMode = null
+		isEnabled = false
 		listeners?.forEach { it.onActionModeFinished(mode) }
 	}
 
@@ -47,4 +54,4 @@ class ActionModeDelegate {
 			removeListener(listener)
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/util/ActivityRecreationHandle.kt

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.base.ui.util
 
 import android.app.Activity
 import android.os.Bundle
+import androidx.core.app.ActivityCompat
 import org.koitharu.kotatsu.base.ui.DefaultActivityLifecycleCallbacks
 import java.util.WeakHashMap
 import javax.inject.Inject
@@ -22,6 +23,6 @@ class ActivityRecreationHandle @Inject constructor() : DefaultActivityLifecycleC
 
 	fun recreateAll() {
 		val snapshot = activities.keys.toList()
-		snapshot.forEach { it.recreate() }
+		snapshot.forEach { ActivityCompat.recreate(it) }
 	}
 }

app/src/main/java/org/koitharu/kotatsu/base/ui/util/BaseActivityEntryPoint.kt

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.base.ui.util
 import dagger.hilt.EntryPoint
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
-import org.koitharu.kotatsu.base.ui.BaseActivity
 import org.koitharu.kotatsu.core.prefs.AppSettings
 
 @EntryPoint
@@ -11,8 +10,3 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 interface BaseActivityEntryPoint {
 	val settings: AppSettings
 }
-
-// Hilt cannot inject into parametrized classes
-fun BaseActivityEntryPoint.inject(activity: BaseActivity<*>) {
-	activity.settings = settings
-}

app/src/main/java/org/koitharu/kotatsu/base/ui/util/DefaultTextWatcher.kt

@@ -0,0 +1,13 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import android.text.Editable
+import android.text.TextWatcher
+
+interface DefaultTextWatcher : TextWatcher {
+
+	override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) = Unit
+
+	override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) = Unit
+
+	override fun afterTextChanged(s: Editable?) = Unit
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/util/ReversibleActionObserver.kt

@@ -0,0 +1,25 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import android.view.View
+import androidx.lifecycle.Observer
+import com.google.android.material.snackbar.Snackbar
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.domain.reverseAsync
+
+class ReversibleActionObserver(
+	private val snackbarHost: View,
+) : Observer<ReversibleAction?> {
+
+	override fun onChanged(value: ReversibleAction?) {
+		if (value == null) {
+			return
+		}
+		val handle = value.handle
+		val length = if (handle == null) Snackbar.LENGTH_SHORT else Snackbar.LENGTH_LONG
+		val snackbar = Snackbar.make(snackbarHost, value.stringResId, length)
+		if (handle != null) {
+			snackbar.setAction(R.string.undo) { handle.reverseAsync() }
+		}
+		snackbar.show()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/util/ShrinkOnScrollBehavior.kt

@@ -10,9 +10,7 @@ import com.google.android.material.floatingactionbutton.ExtendedFloatingActionBu
 
 open class ShrinkOnScrollBehavior : Behavior<ExtendedFloatingActionButton> {
 
-	@Suppress("unused")
 	constructor() : super()
-	@Suppress("unused")
 	constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
 
 	override fun onStartNestedScroll(

app/src/main/java/org/koitharu/kotatsu/base/ui/util/WindowInsetsDelegate.kt

@@ -10,8 +10,10 @@ class WindowInsetsDelegate(
 	private val listener: WindowInsetsListener,
 ) : OnApplyWindowInsetsListener, View.OnLayoutChangeListener {
 
+	@JvmField
 	var handleImeInsets: Boolean = false
 
+	@JvmField
 	var interceptingWindowInsetsListener: OnApplyWindowInsetsListener? = null
 
 	private var lastInsets: Insets? = null
@@ -63,4 +65,4 @@ class WindowInsetsDelegate(
 
 		fun onWindowInsetsChanged(insets: Insets)
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/ChipsView.kt

@@ -1,17 +1,20 @@
 package org.koitharu.kotatsu.base.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.DrawableRes
+import androidx.annotation.ColorRes
+import androidx.core.content.ContextCompat
+import androidx.core.content.res.getColorStateListOrThrow
 import androidx.core.view.children
-import com.google.android.material.R as materialR
 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.utils.ext.castOrNull
-import org.koitharu.kotatsu.utils.ext.getThemeColorStateList
+import com.google.android.material.R as materialR
 
 class ChipsView @JvmOverloads constructor(
 	context: Context,
@@ -27,6 +30,9 @@ 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
 	var onChipClickListener: OnChipClickListener? = null
 		set(value) {
 			field = value
@@ -40,6 +46,15 @@ class ChipsView @JvmOverloads constructor(
 			children.forEach { (it as? Chip)?.isCloseIconVisible = isCloseIconVisible }
 		}
 
+	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()
+	}
+
 	override fun requestLayout() {
 		if (isLayoutSuppressedCompat) {
 			isLayoutCalledOnSuppressed = true
@@ -75,12 +90,15 @@ class ChipsView @JvmOverloads constructor(
 
 	private fun bindChip(chip: Chip, model: ChipModel) {
 		chip.text = model.title
-		if (model.icon == 0) {
-			chip.isChipIconVisible = false
+		val tint = if (model.tint == 0) {
+			null
 		} else {
-			chip.isChipIconVisible = true
-			chip.setChipIconResource(model.icon)
+			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
 		chip.isChecked = model.isChecked
@@ -92,8 +110,9 @@ class ChipsView @JvmOverloads constructor(
 		val drawable = ChipDrawable.createFromAttributes(context, null, 0, R.style.Widget_Kotatsu_Chip)
 		chip.setChipDrawable(drawable)
 		chip.isCheckedIconVisible = true
+		chip.isChipIconVisible = false
 		chip.setCheckedIconResource(R.drawable.ic_check)
-		chip.checkedIconTint = context.getThemeColorStateList(materialR.attr.colorControlNormal)
+		chip.checkedIconTint = defaultChipIconTint
 		chip.isCloseIconVisible = onChipCloseClickListener != null
 		chip.setOnCloseIconClickListener(chipOnCloseListener)
 		chip.setEnsureMinTouchTargetSize(false)
@@ -113,7 +132,7 @@ class ChipsView @JvmOverloads constructor(
 	}
 
 	class ChipModel(
-		@DrawableRes val icon: Int,
+		@ColorRes val tint: Int,
 		val title: CharSequence,
 		val isCheckable: Boolean,
 		val isChecked: Boolean,
@@ -126,7 +145,7 @@ class ChipsView @JvmOverloads constructor(
 
 			other as ChipModel
 
-			if (icon != other.icon) return false
+			if (tint != other.tint) return false
 			if (title != other.title) return false
 			if (isCheckable != other.isCheckable) return false
 			if (isChecked != other.isChecked) return false
@@ -136,7 +155,7 @@ class ChipsView @JvmOverloads constructor(
 		}
 
 		override fun hashCode(): Int {
-			var result = icon
+			var result = tint.hashCode()
 			result = 31 * result + title.hashCode()
 			result = 31 * result + isCheckable.hashCode()
 			result = 31 * result + isChecked.hashCode()

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/SegmentedBarView.kt

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.base.ui.widgets
 
+import android.animation.Animator
+import android.animation.ValueAnimator
 import android.content.Context
 import android.graphics.Canvas
 import android.graphics.Outline
@@ -7,48 +9,34 @@ import android.graphics.Paint
 import android.util.AttributeSet
 import android.view.View
 import android.view.ViewOutlineProvider
+import android.view.animation.DecelerateInterpolator
 import androidx.annotation.ColorInt
 import androidx.annotation.FloatRange
-import androidx.core.graphics.ColorUtils
-import com.google.android.material.R as materialR
-import kotlin.random.Random
 import org.koitharu.kotatsu.parsers.util.replaceWith
+import org.koitharu.kotatsu.utils.ext.getAnimationDuration
 import org.koitharu.kotatsu.utils.ext.getThemeColor
+import org.koitharu.kotatsu.utils.ext.isAnimationsEnabled
 import org.koitharu.kotatsu.utils.ext.resolveDp
+import com.google.android.material.R as materialR
 
 class SegmentedBarView @JvmOverloads constructor(
 	context: Context,
 	attrs: AttributeSet? = null,
 	defStyleAttr: Int = 0,
-) : View(context, attrs, defStyleAttr) {
+) : View(context, attrs, defStyleAttr), ValueAnimator.AnimatorUpdateListener, Animator.AnimatorListener {
 
 	private val paint = Paint(Paint.ANTI_ALIAS_FLAG)
 	private val segmentsData = ArrayList<Segment>()
 	private val segmentsSizes = ArrayList<Float>()
 	private val outlineColor = context.getThemeColor(materialR.attr.colorOutline)
 	private var cornerSize = 0f
-
-	var segments: List<Segment>
-		get() = segmentsData
-		set(value) {
-			segmentsData.replaceWith(value)
-			updateSizes()
-			invalidate()
-		}
+	private var scaleFactor = 1f
+	private var scaleAnimator: ValueAnimator? = null
 
 	init {
 		paint.strokeWidth = context.resources.resolveDp(1f)
 		outlineProvider = OutlineProvider()
 		clipToOutline = true
-
-		if (isInEditMode) {
-			segments = List(Random.nextInt(3, 5)) {
-				Segment(
-					percent = Random.nextFloat(),
-					color = ColorUtils.HSLToColor(floatArrayOf(Random.nextInt(0, 360).toFloat(), 0.5f, 0.5f)),
-				)
-			}
-		}
 	}
 
 	override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
@@ -79,12 +67,56 @@ class SegmentedBarView @JvmOverloads constructor(
 		canvas.drawRoundRect(0f, 0f, w, height.toFloat(), cornerSize, cornerSize, paint)
 	}
 
+	override fun onAnimationStart(animation: Animator) = Unit
+
+	override fun onAnimationEnd(animation: Animator) {
+		if (scaleAnimator === animation) {
+			scaleAnimator = null
+		}
+	}
+
+	override fun onAnimationUpdate(animation: ValueAnimator) {
+		scaleFactor = animation.animatedValue as Float
+		updateSizes()
+		invalidate()
+	}
+
+	override fun onAnimationCancel(animation: Animator) = Unit
+
+	override fun onAnimationRepeat(animation: Animator) = Unit
+
+	fun animateSegments(value: List<Segment>) {
+		scaleAnimator?.cancel()
+		segmentsData.replaceWith(value)
+		if (!context.isAnimationsEnabled) {
+			scaleAnimator = null
+			scaleFactor = 1f
+			updateSizes()
+			invalidate()
+			return
+		}
+		scaleFactor = 0f
+		updateSizes()
+		invalidate()
+		val animator = ValueAnimator.ofFloat(0f, 1f)
+		animator.duration = context.getAnimationDuration(android.R.integer.config_longAnimTime)
+		animator.interpolator = DecelerateInterpolator()
+		animator.addUpdateListener(this@SegmentedBarView)
+		animator.addListener(this@SegmentedBarView)
+		scaleAnimator = animator
+		animator.start()
+	}
+
 	private fun updateSizes() {
 		segmentsSizes.clear()
 		segmentsSizes.ensureCapacity(segmentsData.size + 1)
 		var w = width.toFloat()
-		for (segment in segmentsData) {
-			val segmentWidth = (w * segment.percent).coerceAtLeast(cornerSize)
+		val maxScale = (scaleFactor * (segmentsData.size - 1)).coerceAtLeast(1f)
+		for ((index, segment) in segmentsData.withIndex()) {
+			val scale = (scaleFactor * (index + 1) / maxScale).coerceAtMost(1f)
+			val segmentWidth = (w * segment.percent).coerceAtLeast(
+				if (index == 0) height.toFloat() else cornerSize,
+			) * scale
 			segmentsSizes.add(segmentWidth)
 			w -= segmentWidth
 		}

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/TwoLinesItemView.kt

@@ -0,0 +1,104 @@
+package org.koitharu.kotatsu.base.ui.widgets
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.res.ColorStateList
+import android.content.res.TypedArray
+import android.graphics.Color
+import android.graphics.drawable.InsetDrawable
+import android.graphics.drawable.RippleDrawable
+import android.graphics.drawable.ShapeDrawable
+import android.graphics.drawable.shapes.RoundRectShape
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.widget.LinearLayout
+import androidx.annotation.AttrRes
+import androidx.annotation.DrawableRes
+import androidx.core.content.ContextCompat
+import androidx.core.content.withStyledAttributes
+import androidx.core.view.updateLayoutParams
+import androidx.core.widget.ImageViewCompat
+import androidx.core.widget.TextViewCompat
+import com.google.android.material.ripple.RippleUtils
+import com.google.android.material.shape.MaterialShapeDrawable
+import com.google.android.material.shape.ShapeAppearanceModel
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.databinding.ViewTwoLinesItemBinding
+import org.koitharu.kotatsu.utils.ext.resolveDp
+
+@SuppressLint("RestrictedApi")
+class TwoLinesItemView @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
+) : LinearLayout(context, attrs, defStyleAttr) {
+
+	private val binding = ViewTwoLinesItemBinding.inflate(LayoutInflater.from(context), this)
+
+	init {
+		var textColors: ColorStateList? = null
+		context.withStyledAttributes(
+			set = attrs,
+			attrs = R.styleable.TwoLinesItemView,
+			defStyleAttr = defStyleAttr,
+			defStyleRes = R.style.Widget_Kotatsu_TwoLinesItemView,
+		) {
+			val itemRippleColor = getRippleColor(context)
+			val shape = createShapeDrawable(this)
+			val roundCorners = FloatArray(8) { resources.resolveDp(16f) }
+			background = RippleDrawable(
+				RippleUtils.sanitizeRippleDrawableColor(itemRippleColor),
+				shape,
+				ShapeDrawable(RoundRectShape(roundCorners, null, null)),
+			)
+			val drawablePadding = getDimensionPixelOffset(R.styleable.TwoLinesItemView_android_drawablePadding, 0)
+			binding.layoutText.updateLayoutParams<MarginLayoutParams> { marginStart = drawablePadding }
+			setIconResource(getResourceId(R.styleable.TwoLinesItemView_icon, 0))
+			binding.title.text = getText(R.styleable.TwoLinesItemView_title)
+			binding.subtitle.text = getText(R.styleable.TwoLinesItemView_subtitle)
+			textColors = getColorStateList(R.styleable.TwoLinesItemView_android_textColor)
+			val textAppearanceFallback = androidx.appcompat.R.style.TextAppearance_AppCompat
+			TextViewCompat.setTextAppearance(
+				binding.title,
+				getResourceId(R.styleable.TwoLinesItemView_titleTextAppearance, textAppearanceFallback),
+			)
+			TextViewCompat.setTextAppearance(
+				binding.subtitle,
+				getResourceId(R.styleable.TwoLinesItemView_subtitleTextAppearance, textAppearanceFallback),
+			)
+		}
+		if (textColors == null) {
+			textColors = binding.title.textColors
+		}
+		binding.title.setTextColor(textColors)
+		binding.subtitle.setTextColor(textColors)
+		ImageViewCompat.setImageTintList(binding.icon, textColors)
+	}
+
+	fun setIconResource(@DrawableRes resId: Int) {
+		val icon = if (resId != 0) ContextCompat.getDrawable(context, resId) else null
+		binding.icon.setImageDrawable(icon)
+	}
+
+	private fun createShapeDrawable(ta: TypedArray): InsetDrawable {
+		val shapeAppearance = ShapeAppearanceModel.builder(
+			context,
+			ta.getResourceId(R.styleable.TwoLinesItemView_shapeAppearance, 0),
+			ta.getResourceId(R.styleable.TwoLinesItemView_shapeAppearanceOverlay, 0),
+		).build()
+		val shapeDrawable = MaterialShapeDrawable(shapeAppearance)
+		shapeDrawable.fillColor = ta.getColorStateList(R.styleable.TwoLinesItemView_backgroundFillColor)
+		return InsetDrawable(
+			shapeDrawable,
+			ta.getDimensionPixelOffset(R.styleable.TwoLinesItemView_android_insetLeft, 0),
+			ta.getDimensionPixelOffset(R.styleable.TwoLinesItemView_android_insetTop, 0),
+			ta.getDimensionPixelOffset(R.styleable.TwoLinesItemView_android_insetRight, 0),
+			ta.getDimensionPixelOffset(R.styleable.TwoLinesItemView_android_insetBottom, 0),
+		)
+	}
+
+	private fun getRippleColor(context: Context): ColorStateList {
+		return ContextCompat.getColorStateList(context, R.color.selector_overlay)
+			?: ColorStateList.valueOf(Color.TRANSPARENT)
+	}
+}

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

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.bookmarks.domain
 
 import android.database.SQLException
 import androidx.room.withTransaction
-import javax.inject.Inject
+import dagger.Reusable
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.base.domain.ReversibleHandle
@@ -17,7 +17,9 @@ import org.koitharu.kotatsu.core.db.entity.toManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.utils.ext.mapItems
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import javax.inject.Inject
 
+@Reusable
 class BookmarksRepository @Inject constructor(
 	private val db: MangaDatabase,
 ) {

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

@@ -1,7 +1,12 @@
 package org.koitharu.kotatsu.bookmarks.ui
 
 import android.os.Bundle
-import android.view.*
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
 import androidx.appcompat.view.ActionMode
 import androidx.core.graphics.Insets
 import androidx.core.view.updateLayoutParams
@@ -10,7 +15,6 @@ import androidx.fragment.app.viewModels
 import coil.ImageLoader
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
-import javax.inject.Inject
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.domain.reverseAsync
 import org.koitharu.kotatsu.base.ui.BaseFragment
@@ -24,6 +28,7 @@ import org.koitharu.kotatsu.bookmarks.data.ids
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.ui.adapter.BookmarksGroupAdapter
 import org.koitharu.kotatsu.bookmarks.ui.model.BookmarksGroup
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
 import org.koitharu.kotatsu.databinding.FragmentListSimpleBinding
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
@@ -32,9 +37,9 @@ 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 org.koitharu.kotatsu.utils.ext.getDisplayMessage
 import org.koitharu.kotatsu.utils.ext.invalidateNestedItemDecorations
 import org.koitharu.kotatsu.utils.ext.scaleUpActivityOptionsOf
+import javax.inject.Inject
 
 @AndroidEntryPoint
 class BookmarksFragment :
@@ -76,7 +81,7 @@ class BookmarksFragment :
 		binding.recyclerView.addItemDecoration(spacingDecoration)
 
 		viewModel.content.observe(viewLifecycleOwner, ::onListChanged)
-		viewModel.onError.observe(viewLifecycleOwner, ::onError)
+		viewModel.onError.observe(viewLifecycleOwner, SnackbarErrorObserver(binding.recyclerView, this))
 		viewModel.onActionDone.observe(viewLifecycleOwner, ::onActionDone)
 	}
 
@@ -90,6 +95,7 @@ class BookmarksFragment :
 		if (selectionController?.onItemClick(item.manga, item.pageId) != true) {
 			val intent = ReaderActivity.newIntent(view.context, item)
 			startActivity(intent, scaleUpActivityOptionsOf(view).toBundle())
+			Toast.makeText(view.context, R.string.incognito_mode, Toast.LENGTH_SHORT).show()
 		}
 	}
 
@@ -132,6 +138,7 @@ class BookmarksFragment :
 				mode.finish()
 				true
 			}
+
 			else -> false
 		}
 	}
@@ -154,14 +161,6 @@ class BookmarksFragment :
 		adapter?.items = list
 	}
 
-	private fun onError(e: Throwable) {
-		Snackbar.make(
-			binding.recyclerView,
-			e.getDisplayMessage(resources),
-			Snackbar.LENGTH_SHORT,
-		).show()
-	}
-
 	private fun onActionDone(action: ReversibleAction) {
 		val handle = action.handle
 		val length = if (handle == null) Snackbar.LENGTH_SHORT else Snackbar.LENGTH_LONG

app/src/main/java/org/koitharu/kotatsu/bookmarks/ui/BookmarksViewModel.kt

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.bookmarks.ui
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
-import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.map
@@ -18,7 +17,8 @@ import org.koitharu.kotatsu.list.ui.model.LoadingState
 import org.koitharu.kotatsu.list.ui.model.toErrorState
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.utils.SingleLiveEvent
-import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.asFlowLiveData
+import javax.inject.Inject
 
 @HiltViewModel
 class BookmarksViewModel @Inject constructor(
@@ -43,12 +43,12 @@ class BookmarksViewModel @Inject constructor(
 			}
 		}
 		.catch { e -> emit(listOf(e.toErrorState(canRetry = false))) }
-		.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
+		.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
 
 	fun removeBookmarks(ids: Map<Manga, Set<Long>>) {
 		launchJob(Dispatchers.Default) {
 			val handle = repository.removeBookmarks(ids)
-			onActionDone.postCall(ReversibleAction(R.string.bookmarks_removed, handle))
+			onActionDone.emitCall(ReversibleAction(R.string.bookmarks_removed, handle))
 		}
 	}
 }

app/src/main/java/org/koitharu/kotatsu/bookmarks/ui/adapter/BookmarkListAD.kt

@@ -8,9 +8,12 @@ import org.koitharu.kotatsu.base.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.databinding.ItemBookmarkBinding
+import org.koitharu.kotatsu.utils.ext.decodeRegion
 import org.koitharu.kotatsu.utils.ext.disposeImageRequest
 import org.koitharu.kotatsu.utils.ext.enqueueWith
 import org.koitharu.kotatsu.utils.ext.newImageRequest
+import org.koitharu.kotatsu.utils.ext.source
+import org.koitharu.kotatsu.utils.image.CoverSizeResolver
 
 fun bookmarkListAD(
 	coil: ImageLoader,
@@ -25,12 +28,14 @@ fun bookmarkListAD(
 	binding.root.setOnLongClickListener(listener)
 
 	bind {
-		binding.imageViewThumb.newImageRequest(item.imageUrl, item.manga.source)?.run {
+		binding.imageViewThumb.newImageRequest(lifecycleOwner, item.imageUrl)?.run {
+			size(CoverSizeResolver(binding.imageViewThumb))
 			placeholder(R.drawable.ic_placeholder)
 			fallback(R.drawable.ic_placeholder)
 			error(R.drawable.ic_error_placeholder)
 			allowRgb565(true)
-			lifecycle(lifecycleOwner)
+			decodeRegion(item.scroll)
+			source(item.manga.source)
 			enqueueWith(coil)
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/bookmarks/ui/adapter/BookmarksGroupAD.kt

@@ -18,6 +18,8 @@ import org.koitharu.kotatsu.utils.ext.clearItemDecorations
 import org.koitharu.kotatsu.utils.ext.disposeImageRequest
 import org.koitharu.kotatsu.utils.ext.enqueueWith
 import org.koitharu.kotatsu.utils.ext.newImageRequest
+import org.koitharu.kotatsu.utils.ext.source
+import org.koitharu.kotatsu.utils.image.CoverSizeResolver
 
 fun bookmarksGroupAD(
 	coil: ImageLoader,
@@ -48,12 +50,13 @@ fun bookmarksGroupAD(
 			binding.recyclerView.addItemDecoration(spacingDecoration)
 			selectionController.attachToRecyclerView(item.manga, binding.recyclerView)
 		}
-		binding.imageViewCover.newImageRequest(item.manga.coverUrl, item.manga.source)?.run {
+		binding.imageViewCover.newImageRequest(lifecycleOwner, item.manga.coverUrl)?.run {
 			placeholder(R.drawable.ic_placeholder)
 			fallback(R.drawable.ic_placeholder)
 			error(R.drawable.ic_error_placeholder)
 			allowRgb565(true)
-			lifecycle(lifecycleOwner)
+			size(CoverSizeResolver(binding.imageViewCover))
+			source(item.manga.source)
 			enqueueWith(coil)
 		}
 		binding.textViewTitle.text = item.manga.title

app/src/main/java/org/koitharu/kotatsu/bookmarks/ui/adapter/BookmarksGroupAdapter.kt

@@ -5,14 +5,18 @@ import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
-import kotlin.jvm.internal.Intrinsics
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.base.ui.list.SectionedSelectionController
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.ui.model.BookmarksGroup
-import org.koitharu.kotatsu.list.ui.adapter.*
+import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
+import org.koitharu.kotatsu.list.ui.adapter.emptyStateListAD
+import org.koitharu.kotatsu.list.ui.adapter.errorStateListAD
+import org.koitharu.kotatsu.list.ui.adapter.loadingFooterAD
+import org.koitharu.kotatsu.list.ui.adapter.loadingStateAD
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.Manga
+import kotlin.jvm.internal.Intrinsics
 
 class BookmarksGroupAdapter(
 	coil: ImageLoader,
@@ -38,7 +42,7 @@ class BookmarksGroupAdapter(
 			)
 			.addDelegate(loadingStateAD())
 			.addDelegate(loadingFooterAD())
-			.addDelegate(emptyStateListAD(coil, listener))
+			.addDelegate(emptyStateListAD(coil, lifecycleOwner, listener))
 			.addDelegate(errorStateListAD(listener))
 	}
 
@@ -49,6 +53,7 @@ class BookmarksGroupAdapter(
 				oldItem is BookmarksGroup && newItem is BookmarksGroup -> {
 					oldItem.manga.id == newItem.manga.id
 				}
+
 				else -> oldItem.javaClass == newItem.javaClass
 			}
 		}

app/src/main/java/org/koitharu/kotatsu/browser/ProgressChromeClient.kt

@@ -2,14 +2,13 @@ package org.koitharu.kotatsu.browser
 
 import android.webkit.WebChromeClient
 import android.webkit.WebView
-import android.widget.ProgressBar
 import androidx.core.view.isVisible
-import org.koitharu.kotatsu.utils.ext.setProgressCompat
+import com.google.android.material.progressindicator.BaseProgressIndicator
 
 private const val PROGRESS_MAX = 100
 
 class ProgressChromeClient(
-	private val progressIndicator: ProgressBar,
+	private val progressIndicator: BaseProgressIndicator<*>,
 ) : WebChromeClient() {
 
 	init {
@@ -28,4 +27,4 @@ class ProgressChromeClient(
 			progressIndicator.isIndeterminate = true
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareDialog.kt

@@ -20,14 +20,13 @@ import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.network.CommonHeadersInterceptor
 import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
 import org.koitharu.kotatsu.databinding.FragmentCloudflareBinding
-import org.koitharu.kotatsu.utils.ext.stringArgument
 import org.koitharu.kotatsu.utils.ext.withArgs
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), CloudFlareCallback {
 
-	private val url by stringArgument(ARG_URL)
+	private lateinit var url: String
 	private val pendingResult = Bundle(1)
 
 	@Inject
@@ -35,6 +34,11 @@ class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), Cloud
 
 	private var onBackPressedCallback: WebViewBackPressedCallback? = null
 
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		url = requireArguments().getString(ARG_URL).orEmpty()
+	}
+
 	override fun onInflateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
@@ -50,12 +54,12 @@ class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), Cloud
 			databaseEnabled = true
 			userAgentString = arguments?.getString(ARG_UA) ?: CommonHeadersInterceptor.userAgentChrome
 		}
-		binding.webView.webViewClient = CloudFlareClient(cookieJar, this, url.orEmpty())
+		binding.webView.webViewClient = CloudFlareClient(cookieJar, this, url)
 		CookieManager.getInstance().setAcceptThirdPartyCookies(binding.webView, true)
-		if (url.isNullOrEmpty()) {
+		if (url.isEmpty()) {
 			dismissAllowingStateLoss()
 		} else {
-			binding.webView.loadUrl(url.orEmpty())
+			binding.webView.loadUrl(url)
 		}
 	}
 

app/src/main/java/org/koitharu/kotatsu/core/AppModule.kt

@@ -20,6 +20,9 @@ import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
 import dagger.multibindings.ElementsIntoSet
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.asSharedFlow
 import okhttp3.CookieJar
 import okhttp3.OkHttpClient
 import org.koitharu.kotatsu.BuildConfig
@@ -40,6 +43,8 @@ import org.koitharu.kotatsu.core.parser.favicon.FaviconFetcher
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.CbzFetcher
+import org.koitharu.kotatsu.local.data.LocalManga
+import org.koitharu.kotatsu.local.data.LocalStorageChanges
 import org.koitharu.kotatsu.local.data.LocalStorageManager
 import org.koitharu.kotatsu.main.ui.protect.AppProtectHelper
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -86,6 +91,7 @@ interface AppModule {
 		fun provideOkHttpClient(
 			localStorageManager: LocalStorageManager,
 			commonHeadersInterceptor: CommonHeadersInterceptor,
+			mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 			cookieJar: CookieJar,
 			settings: AppSettings,
 		): OkHttpClient {
@@ -103,6 +109,7 @@ interface AppModule {
 				addInterceptor(GZipInterceptor())
 				addInterceptor(commonHeadersInterceptor)
 				addInterceptor(CloudFlareInterceptor())
+				addInterceptor(mirrorSwitchInterceptor)
 				if (BuildConfig.DEBUG) {
 					addInterceptor(CurlLoggingInterceptor())
 				}
@@ -167,7 +174,6 @@ interface AppModule {
 		}
 
 		@Provides
-		@Singleton
 		@ElementsIntoSet
 		fun provideDatabaseObservers(
 			widgetUpdater: WidgetUpdater,
@@ -182,7 +188,6 @@ interface AppModule {
 		)
 
 		@Provides
-		@Singleton
 		@ElementsIntoSet
 		fun provideActivityLifecycleCallbacks(
 			appProtectHelper: AppProtectHelper,
@@ -205,5 +210,16 @@ interface AppModule {
 				MemoryContentCache(application)
 			}
 		}
+
+		@Provides
+		@Singleton
+		@LocalStorageChanges
+		fun provideMutableLocalStorageChangesFlow(): MutableSharedFlow<LocalManga?> = MutableSharedFlow()
+
+		@Provides
+		@LocalStorageChanges
+		fun provideLocalStorageChangesFlow(
+			@LocalStorageChanges flow: MutableSharedFlow<LocalManga?>,
+		): SharedFlow<LocalManga?> = flow.asSharedFlow()
 	}
 }

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

@@ -1,7 +1,10 @@
 package org.koitharu.kotatsu.core.db.entity
 
 import org.koitharu.kotatsu.core.model.MangaSource
-import org.koitharu.kotatsu.parsers.model.*
+import org.koitharu.kotatsu.parsers.model.Manga
+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.mapToSet
 import org.koitharu.kotatsu.parsers.util.toTitleCase
 import org.koitharu.kotatsu.utils.ext.longHashCode
@@ -66,7 +69,6 @@ fun SortOrder(name: String, fallback: SortOrder): SortOrder = runCatching {
 	SortOrder.valueOf(name)
 }.getOrDefault(fallback)
 
-@Suppress("FunctionName")
 fun MangaState(name: String): MangaState? = runCatching {
 	MangaState.valueOf(name)
 }.getOrNull()

app/src/main/java/org/koitharu/kotatsu/core/exceptions/CloudFlareProtectedException.kt

@@ -5,5 +5,5 @@ import okio.IOException
 
 class CloudFlareProtectedException(
 	val url: String,
-	val headers: Headers,
+	@Transient val headers: Headers,
 ) : IOException("Protected by CloudFlare")

app/src/main/java/org/koitharu/kotatsu/core/exceptions/WrongPasswordException.kt

@@ -1,3 +1,3 @@
 package org.koitharu.kotatsu.core.exceptions
 
-class WrongPasswordException : SecurityException()
+class WrongPasswordException : IllegalArgumentException()

app/src/main/java/org/koitharu/kotatsu/core/exceptions/resolve/DialogErrorObserver.kt

@@ -0,0 +1,66 @@
+package org.koitharu.kotatsu.core.exceptions.resolve
+
+import android.content.DialogInterface
+import android.view.View
+import androidx.core.util.Consumer
+import androidx.fragment.app.Fragment
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.ErrorDetailsDialog
+import org.koitharu.kotatsu.parsers.exception.ParseException
+import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+
+class DialogErrorObserver(
+	host: View,
+	fragment: Fragment?,
+	resolver: ExceptionResolver?,
+	private val onResolved: Consumer<Boolean>?,
+) : ErrorObserver(host, fragment, resolver, onResolved) {
+
+	constructor(
+		host: View,
+		fragment: Fragment?,
+	) : this(host, fragment, null, null)
+
+	override fun onChanged(value: Throwable?) {
+		if (value == null) {
+			return
+		}
+		val listener = DialogListener(value)
+		val dialogBuilder = MaterialAlertDialogBuilder(activity ?: host.context)
+			.setMessage(value.getDisplayMessage(host.context.resources))
+			.setNegativeButton(R.string.close, listener)
+			.setOnCancelListener(listener)
+		if (canResolve(value)) {
+			dialogBuilder.setPositiveButton(ExceptionResolver.getResolveStringId(value), listener)
+		} else if (value is ParseException) {
+			val fm = fragmentManager
+			if (fm != null) {
+				dialogBuilder.setPositiveButton(R.string.details) { _, _ ->
+					ErrorDetailsDialog.show(fm, value, value.url)
+				}
+			}
+		}
+		val dialog = dialogBuilder.create()
+		if (activity != null) {
+			dialog.setOwnerActivity(activity)
+		}
+		dialog.show()
+	}
+
+	private inner class DialogListener(
+		private val error: Throwable,
+	) : DialogInterface.OnClickListener, DialogInterface.OnCancelListener {
+
+		override fun onClick(dialog: DialogInterface?, which: Int) {
+			when (which) {
+				DialogInterface.BUTTON_NEGATIVE -> onResolved?.accept(false)
+				DialogInterface.BUTTON_POSITIVE -> resolve(error)
+			}
+		}
+
+		override fun onCancel(dialog: DialogInterface?) {
+			onResolved?.accept(false)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/exceptions/resolve/ErrorObserver.kt

@@ -0,0 +1,44 @@
+package org.koitharu.kotatsu.core.exceptions.resolve
+
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.util.Consumer
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.LifecycleCoroutineScope
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.Observer
+import androidx.lifecycle.coroutineScope
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import org.koitharu.kotatsu.utils.ext.findActivity
+import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
+
+abstract class ErrorObserver(
+	protected val host: View,
+	protected val fragment: Fragment?,
+	private val resolver: ExceptionResolver?,
+	private val onResolved: Consumer<Boolean>?,
+) : Observer<Throwable?> {
+
+	protected val activity = host.context.findActivity()
+
+	private val lifecycleScope: LifecycleCoroutineScope
+		get() = checkNotNull(fragment?.viewLifecycleScope ?: (activity as? LifecycleOwner)?.lifecycle?.coroutineScope)
+
+	protected val fragmentManager: FragmentManager?
+		get() = fragment?.childFragmentManager ?: (activity as? AppCompatActivity)?.supportFragmentManager
+
+	protected fun canResolve(error: Throwable): Boolean {
+		return resolver != null && ExceptionResolver.canResolve(error)
+	}
+
+	protected fun resolve(error: Throwable) {
+		lifecycleScope.launch {
+			val isResolved = resolver?.resolve(error) ?: false
+			if (isActive) {
+				onResolved?.accept(isResolved)
+			}
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/exceptions/resolve/ExceptionResolver.kt

@@ -1,27 +1,23 @@
 package org.koitharu.kotatsu.core.exceptions.resolve
 
-import android.content.ClipData
-import android.content.ClipboardManager
-import android.content.Context
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.result.ActivityResultLauncher
 import androidx.annotation.StringRes
 import androidx.collection.ArrayMap
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.suspendCancellableCoroutine
 import okhttp3.Headers
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.BrowserActivity
 import org.koitharu.kotatsu.browser.cloudflare.CloudFlareDialog
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
+import org.koitharu.kotatsu.core.ui.ErrorDetailsDialog
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity
 import org.koitharu.kotatsu.utils.TaggedActivityResult
-import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 import org.koitharu.kotatsu.utils.isSuccess
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
@@ -43,11 +39,14 @@ class ExceptionResolver private constructor(
 		sourceAuthContract = fragment.registerForActivityResult(SourceAuthActivity.Contract(), this)
 	}
 
-	override fun onActivityResult(result: TaggedActivityResult?) {
-		result ?: return
+	override fun onActivityResult(result: TaggedActivityResult) {
 		continuations.remove(result.tag)?.resume(result.isSuccess)
 	}
 
+	fun showDetails(e: Throwable, url: String?) {
+		ErrorDetailsDialog.show(getFragmentManager(), e, url)
+	}
+
 	suspend fun resolve(e: Throwable): Boolean = when (e) {
 		is CloudFlareProtectedException -> resolveCF(e.url, e.headers)
 		is AuthRequiredException -> resolveAuthException(e.source)
@@ -100,21 +99,5 @@ class ExceptionResolver private constructor(
 		}
 
 		fun canResolve(e: Throwable) = getResolveStringId(e) != 0
-
-		fun showDetails(context: Context, e: Throwable) {
-			val stackTrace = e.stackTraceToString()
-			val dialog = MaterialAlertDialogBuilder(context)
-				.setTitle(e.getDisplayMessage(context.resources))
-				.setMessage(stackTrace)
-				.setPositiveButton(androidx.preference.R.string.copy) { _, _ ->
-					val clipboardManager = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-					clipboardManager.setPrimaryClip(
-						ClipData.newPlainText(context.getString(R.string.error), stackTrace),
-					)
-				}
-				.setNegativeButton(R.string.close, null)
-				.create()
-			dialog.show()
-		}
 	}
 }

app/src/main/java/org/koitharu/kotatsu/core/exceptions/resolve/SnackbarErrorObserver.kt

@@ -0,0 +1,47 @@
+package org.koitharu.kotatsu.core.exceptions.resolve
+
+import android.view.View
+import androidx.core.util.Consumer
+import androidx.fragment.app.Fragment
+import com.google.android.material.snackbar.Snackbar
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.ErrorDetailsDialog
+import org.koitharu.kotatsu.main.ui.owners.BottomNavOwner
+import org.koitharu.kotatsu.parsers.exception.ParseException
+import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+
+class SnackbarErrorObserver(
+	host: View,
+	fragment: Fragment?,
+	resolver: ExceptionResolver?,
+	onResolved: Consumer<Boolean>?,
+) : ErrorObserver(host, fragment, resolver, onResolved) {
+
+	constructor(
+		host: View,
+		fragment: Fragment?,
+	) : this(host, fragment, null, null)
+
+	override fun onChanged(value: Throwable?) {
+		if (value == null) {
+			return
+		}
+		val snackbar = Snackbar.make(host, value.getDisplayMessage(host.context.resources), Snackbar.LENGTH_SHORT)
+		if (activity is BottomNavOwner) {
+			snackbar.anchorView = activity.bottomNav
+		}
+		if (canResolve(value)) {
+			snackbar.setAction(ExceptionResolver.getResolveStringId(value)) {
+				resolve(value)
+			}
+		} else if (value is ParseException) {
+			val fm = fragmentManager
+			if (fm != null) {
+				snackbar.setAction(R.string.details) {
+					ErrorDetailsDialog.show(fm, value, value.url)
+				}
+			}
+		}
+		snackbar.show()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/github/AppUpdateRepository.kt

@@ -10,6 +10,8 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
 import okhttp3.Request
+import org.json.JSONArray
+import org.json.JSONObject
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.parsers.util.await
@@ -28,6 +30,7 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 private const val CERT_SHA1 = "2C:19:C7:E8:07:61:2B:8E:94:51:1B:FD:72:67:07:64:5D:C2:58:AE"
+private const val CONTENT_TYPE_APK = "application/vnd.android.package-archive"
 
 @Singleton
 class AppUpdateRepository @Inject constructor(
@@ -46,7 +49,9 @@ class AppUpdateRepository @Inject constructor(
 			.url("https://api.github.com/repos/KotatsuApp/Kotatsu/releases?page=1&per_page=10")
 		val jsonArray = okHttp.newCall(request.build()).await().parseJsonArray()
 		return jsonArray.mapJSONNotNull { json ->
-			val asset = json.optJSONArray("assets")?.optJSONObject(0) ?: return@mapJSONNotNull null
+			val asset = json.optJSONArray("assets")?.find { jo ->
+				jo.optString("content_type") == CONTENT_TYPE_APK
+			} ?: return@mapJSONNotNull null
 			AppVersion(
 				id = json.getLong("id"),
 				url = json.getString("html_url"),
@@ -103,4 +108,15 @@ class AppUpdateRepository @Inject constructor(
 	}.onFailure { error ->
 		error.printStackTraceDebug()
 	}.getOrNull()
+
+	private inline fun JSONArray.find(predicate: (JSONObject) -> Boolean): JSONObject? {
+		val size = length()
+		for (i in 0 until size) {
+			val jo = getJSONObject(i)
+			if (predicate(jo)) {
+				return jo
+			}
+		}
+		return null
+	}
 }

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

@@ -1,13 +1,28 @@
 package org.koitharu.kotatsu.core.model
 
 import androidx.core.os.LocaleListCompat
+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.util.mapToSet
-import org.koitharu.kotatsu.parsers.util.toTitleCase
 import org.koitharu.kotatsu.utils.ext.iterator
 
 fun Collection<Manga>.ids() = mapToSet { it.id }
 
+fun Collection<Manga>.distinctById() = distinctBy { it.id }
+
+fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
+	if (size <= 1) {
+		return size
+	}
+	val acc = HashMap<String?, Int>()
+	for (item in this) {
+		val branch = item.chapter.branch
+		acc[branch] = (acc[branch] ?: 0) + 1
+	}
+	return acc.values.max()
+}
+
 fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 	val ch = chapters
 	if (ch.isNullOrEmpty()) {
@@ -20,15 +35,22 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 		}
 	}
 	val groups = ch.groupBy { it.branch }
+	if (groups.size == 1) {
+		return groups.keys.first()
+	}
+	val candidates = HashMap<String?, List<MangaChapter>>(groups.size)
 	for (locale in LocaleListCompat.getAdjustedDefault()) {
-		var language = locale.getDisplayLanguage(locale).toTitleCase(locale)
-		if (groups.containsKey(language)) {
-			return language
-		}
-		language = locale.getDisplayName(locale).toTitleCase(locale)
-		if (groups.containsKey(language)) {
-			return language
+		val displayLanguage = locale.getDisplayLanguage(locale)
+		val displayName = locale.getDisplayName(locale)
+		for (branch in groups.keys) {
+			if (branch != null && (
+					branch.contains(displayLanguage, ignoreCase = true) ||
+						branch.contains(displayName, ignoreCase = true)
+					)
+			) {
+				candidates[branch] = groups[branch] ?: continue
+			}
 		}
 	}
-	return groups.maxByOrNull { it.value.size }?.key
-}
+	return candidates.ifEmpty { groups }.maxByOrNull { it.value.size }?.key
+}

app/src/main/java/org/koitharu/kotatsu/core/model/parcelable/Parcelable.kt

@@ -52,7 +52,6 @@ fun Parcel.readManga() = Manga(
 fun MangaPage.writeToParcel(out: Parcel) {
 	out.writeLong(id)
 	out.writeString(url)
-	out.writeString(referer)
 	out.writeString(preview)
 	out.writeSerializable(source)
 }
@@ -60,7 +59,6 @@ fun MangaPage.writeToParcel(out: Parcel) {
 fun Parcel.readMangaPage() = MangaPage(
 	id = readLong(),
 	url = requireNotNull(readString()),
-	referer = requireNotNull(readString()),
 	preview = readString(),
 	source = checkNotNull(readSerializableCompat()),
 )

app/src/main/java/org/koitharu/kotatsu/core/network/CommonHeaders.kt

@@ -14,6 +14,6 @@ object CommonHeaders {
 	const val ACCEPT_ENCODING = "Accept-Encoding"
 	const val AUTHORIZATION = "Authorization"
 
-	val CACHE_CONTROL_DISABLED: CacheControl
+	val CACHE_CONTROL_NO_STORE: CacheControl
 		get() = CacheControl.Builder().noStore().build()
 }

app/src/main/java/org/koitharu/kotatsu/core/network/CommonHeadersInterceptor.kt

@@ -13,6 +13,7 @@ import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mergeWith
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import java.net.IDN
 import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -41,7 +42,8 @@ class CommonHeadersInterceptor @Inject constructor(
 			headersBuilder[CommonHeaders.USER_AGENT] = userAgentFallback
 		}
 		if (headersBuilder[CommonHeaders.REFERER] == null && repository != null) {
-			headersBuilder.trySet(CommonHeaders.REFERER, "https://${repository.domain}/")
+			val idn = IDN.toASCII(repository.domain)
+			headersBuilder.trySet(CommonHeaders.REFERER, "https://$idn/")
 		}
 		val newRequest = request.newBuilder().headers(headersBuilder.build()).build()
 		return repository?.intercept(ProxyChain(chain, newRequest)) ?: chain.proceed(newRequest)

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

@@ -0,0 +1,107 @@
+package org.koitharu.kotatsu.core.network
+
+import dagger.Lazy
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+import okhttp3.ResponseBody
+import okhttp3.ResponseBody.Companion.toResponseBody
+import okhttp3.internal.canParseAsIpAddress
+import okhttp3.internal.closeQuietly
+import okhttp3.internal.publicsuffix.PublicSuffixDatabase
+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 javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class MirrorSwitchInterceptor @Inject constructor(
+	private val mangaRepositoryFactoryLazy: Lazy<MangaRepository.Factory>,
+	private val settings: AppSettings,
+) : Interceptor {
+
+	override fun intercept(chain: Interceptor.Chain): Response {
+		val request = chain.request()
+		if (!settings.isMirrorSwitchingAvailable) {
+			return chain.proceed(request)
+		}
+		return try {
+			val response = chain.proceed(request)
+			if (response.isFailed) {
+				val responseCopy = response.copy()
+				response.closeQuietly()
+				trySwitchMirror(request, chain)?.also {
+					responseCopy.closeQuietly()
+				} ?: responseCopy
+			} else {
+				response
+			}
+		} catch (e: Exception) {
+			trySwitchMirror(request, chain) ?: throw e
+		}
+	}
+
+	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
+		val mirrors = repository.getAvailableMirrors()
+		if (mirrors.isEmpty()) {
+			return null
+		}
+		return tryMirrors(repository, mirrors, chain, request)
+	}
+
+	private fun tryMirrors(
+		repository: RemoteMangaRepository,
+		mirrors: List<String>,
+		chain: Interceptor.Chain,
+		request: Request,
+	): Response? {
+		val url = request.url
+		val currentDomain = url.topPrivateDomain()
+		if (currentDomain !in mirrors) {
+			return null
+		}
+		val urlBuilder = url.newBuilder()
+		for (mirror in mirrors) {
+			if (mirror == currentDomain) {
+				continue
+			}
+			val newHost = hostOf(url.host, mirror) ?: continue
+			val newRequest = request.newBuilder()
+				.url(urlBuilder.host(newHost).build())
+				.build()
+			val response = chain.proceed(newRequest)
+			if (response.isFailed) {
+				response.closeQuietly()
+			} else {
+				repository.domain = mirror
+				return response
+			}
+		}
+		return null
+	}
+
+	private val Response.isFailed: Boolean
+		get() = code in 400..599
+
+	private fun hostOf(host: String, newDomain: String): String? {
+		if (newDomain.canParseAsIpAddress()) {
+			return newDomain
+		}
+		val domain = PublicSuffixDatabase.get().getEffectiveTldPlusOne(host) ?: return null
+		return host.removeSuffix(domain) + newDomain
+	}
+
+	private fun Response.copy(): Response {
+		return newBuilder()
+			.body(body?.copy())
+			.build()
+	}
+
+	private fun ResponseBody.copy(): ResponseBody {
+		return source().readByteArray().toResponseBody(contentType())
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/os/NetworkState.kt

@@ -3,23 +3,28 @@ package org.koitharu.kotatsu.core.os
 import android.net.ConnectivityManager
 import android.net.ConnectivityManager.NetworkCallback
 import android.net.Network
+import android.net.NetworkCapabilities
 import android.net.NetworkRequest
 import kotlinx.coroutines.flow.first
 import org.koitharu.kotatsu.utils.MediatorStateFlow
-import org.koitharu.kotatsu.utils.ext.isNetworkAvailable
+import org.koitharu.kotatsu.utils.ext.isOnline
 
 class NetworkState(
 	private val connectivityManager: ConnectivityManager,
-) : MediatorStateFlow<Boolean>(connectivityManager.isNetworkAvailable) {
+) : MediatorStateFlow<Boolean>(connectivityManager.isOnline()) {
 
 	private val callback = NetworkCallbackImpl()
 
+	@Synchronized
 	override fun onActive() {
 		invalidate()
-		val request = NetworkRequest.Builder().build()
+		val request = NetworkRequest.Builder()
+			.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+			.build()
 		connectivityManager.registerNetworkCallback(request, callback)
 	}
 
+	@Synchronized
 	override fun onInactive() {
 		connectivityManager.unregisterNetworkCallback(callback)
 	}
@@ -32,7 +37,7 @@ class NetworkState(
 	}
 
 	private fun invalidate() {
-		publishValue(connectivityManager.isNetworkAvailable)
+		publishValue(connectivityManager.isOnline())
 	}
 
 	private inner class NetworkCallbackImpl : NetworkCallback() {

app/src/main/java/org/koitharu/kotatsu/core/os/ShortcutsUpdater.kt

@@ -11,6 +11,7 @@ import androidx.annotation.VisibleForTesting
 import androidx.core.content.pm.ShortcutInfoCompat
 import androidx.core.content.pm.ShortcutManagerCompat
 import androidx.core.graphics.drawable.IconCompat
+import androidx.core.graphics.drawable.toBitmap
 import androidx.room.InvalidationTracker
 import coil.ImageLoader
 import coil.request.ImageRequest
@@ -27,9 +28,9 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
+import org.koitharu.kotatsu.utils.ext.getDrawableOrThrow
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.processLifecycleScope
-import org.koitharu.kotatsu.utils.ext.requireBitmap
 import org.koitharu.kotatsu.utils.ext.runCatchingCancellable
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -92,6 +93,14 @@ class ShortcutsUpdater @Inject constructor(
 		return manager.maxShortcutCountPerActivity > 0
 	}
 
+	fun notifyMangaOpened(mangaId: Long) {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
+			return
+		}
+		val manager = context.getSystemService(Context.SHORTCUT_SERVICE) as ShortcutManager
+		manager.reportShortcutUsed(mangaId.toString())
+	}
+
 	@RequiresApi(Build.VERSION_CODES.N_MR1)
 	private suspend fun updateShortcutsImpl() = runCatchingCancellable {
 		val manager = context.getSystemService(Context.SHORTCUT_SERVICE) as ShortcutManager
@@ -122,7 +131,7 @@ class ShortcutsUpdater @Inject constructor(
 					.precision(Precision.EXACT)
 					.scale(Scale.FILL)
 					.build(),
-			).requireBitmap()
+			).getDrawableOrThrow().toBitmap()
 		}.fold(
 			onSuccess = { IconCompat.createWithAdaptiveBitmap(it) },
 			onFailure = { IconCompat.createWithResource(context, R.drawable.ic_shortcut_default) },

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

@@ -15,6 +15,7 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.config.MangaSourceConfig
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.utils.ext.toList
+import java.lang.ref.WeakReference
 import java.util.*
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -28,10 +29,14 @@ class MangaLoaderContextImpl @Inject constructor(
 	@ApplicationContext private val androidContext: Context,
 ) : MangaLoaderContext() {
 
+	private var webViewCached: WeakReference<WebView>? = null
+
 	@SuppressLint("SetJavaScriptEnabled")
 	override suspend fun evaluateJs(script: String): String? = withContext(Dispatchers.Main) {
-		val webView = WebView(androidContext)
-		webView.settings.javaScriptEnabled = true
+		val webView = webViewCached?.get() ?: WebView(androidContext).also {
+			it.settings.javaScriptEnabled = true
+			webViewCached = WeakReference(it)
+		}
 		suspendCoroutine { cont ->
 			webView.evaluateJavascript(script) { result ->
 				cont.resume(result?.takeUnless { it == "null" })

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.parser
 
+import androidx.annotation.AnyThread
 import org.koitharu.kotatsu.core.cache.ContentCache
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
@@ -42,6 +43,7 @@ interface MangaRepository {
 
 		private val cache = EnumMap<MangaSource, WeakReference<RemoteMangaRepository>>(MangaSource::class.java)
 
+		@AnyThread
 		fun create(source: MangaSource): MangaRepository {
 			if (source == MangaSource.LOCAL) {
 				return localMangaRepository

app/src/main/java/org/koitharu/kotatsu/core/parser/MangaTagHighlighter.kt

@@ -0,0 +1,37 @@
+package org.koitharu.kotatsu.core.parser
+
+import android.content.Context
+import androidx.annotation.ColorRes
+import dagger.Reusable
+import dagger.hilt.android.qualifiers.ApplicationContext
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.parsers.model.MangaTag
+import javax.inject.Inject
+
+@Reusable
+class MangaTagHighlighter @Inject constructor(
+	@ApplicationContext context: Context,
+) {
+
+	private val dict by lazy {
+		context.resources.openRawResource(R.raw.tags_redlist).use {
+			val set = HashSet<String>()
+			it.bufferedReader().forEachLine { x ->
+				val line = x.trim()
+				if (line.isNotEmpty()) {
+					set.add(line)
+				}
+			}
+			set
+		}
+	}
+
+	@ColorRes
+	fun getTint(tag: MangaTag): Int {
+		return if (tag.title.lowercase() in dict) {
+			R.color.warning
+		} else {
+			0
+		}
+	}
+}

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.parser
 
+import android.util.Log
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -9,6 +10,7 @@ import kotlinx.coroutines.currentCoroutineContext
 import okhttp3.Headers
 import okhttp3.Interceptor
 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.prefs.SourceSettings
@@ -43,8 +45,11 @@ class RemoteMangaRepository(
 			getConfig().defaultSortOrder = value
 		}
 
-	val domain: String
+	var domain: String
 		get() = parser.domain
+		set(value) {
+			getConfig()[parser.configKeyDomain] = value
+		}
 
 	val headers: Headers?
 		get() = parser.headers
@@ -77,7 +82,7 @@ class RemoteMangaRepository(
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		cache.getPages(source, chapter.url)?.let { return it }
 		val pages = asyncSafe {
-			parser.getPages(chapter)
+			parser.getPages(chapter).distinctById()
 		}
 		cache.putPages(source, chapter.url, pages)
 		return pages.await()
@@ -95,6 +100,10 @@ class RemoteMangaRepository(
 		parser.onCreateConfig(it)
 	}
 
+	fun getAvailableMirrors(): List<String> {
+		return parser.configKeyDomain.presetValues?.toList().orEmpty()
+	}
+
 	private fun getConfig() = parser.config as SourceSettings
 
 	private suspend fun <T> asyncSafe(block: suspend CoroutineScope.() -> T): SafeDeferred<T> {
@@ -108,4 +117,20 @@ class RemoteMangaRepository(
 			},
 		)
 	}
+
+	private fun List<MangaPage>.distinctById(): List<MangaPage> {
+		if (isEmpty()) {
+			return emptyList()
+		}
+		val result = ArrayList<MangaPage>(size)
+		val set = HashSet<Long>(size)
+		for (page in this) {
+			if (set.add(page.id)) {
+				result.add(page)
+			} else if (BuildConfig.DEBUG) {
+				Log.w(null, "Duplicate page: $page")
+			}
+		}
+		return result
+	}
 }

app/src/main/java/org/koitharu/kotatsu/core/parser/favicon/FaviconFetcher.kt

@@ -19,10 +19,13 @@ import okhttp3.Request
 import okhttp3.Response
 import okhttp3.ResponseBody
 import okhttp3.internal.closeQuietly
+import okio.Closeable
+import okio.buffer
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.local.data.CacheDir
+import org.koitharu.kotatsu.local.data.util.withExtraCloseable
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.await
 import java.net.HttpURLConnection
@@ -54,7 +57,9 @@ class FaviconFetcher(
 		val icon = checkNotNull(favicons.find(sizePx)) { "No favicons found" }
 		val response = loadIcon(icon.url, mangaSource)
 		val responseBody = response.requireBody()
-		val source = writeToDiskCache(responseBody)?.toImageSource() ?: responseBody.toImageSource()
+		val source = writeToDiskCache(responseBody)?.toImageSource()?.also {
+			response.closeQuietly()
+		} ?: responseBody.toImageSource(response)
 		return SourceResult(
 			source = source,
 			mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(icon.type),
@@ -71,7 +76,7 @@ class FaviconFetcher(
 		options.tags.asMap().forEach { request.tag(it.key as Class<Any>, it.value) }
 		val response = okHttpClient.newCall(request.build()).await()
 		if (!response.isSuccessful && response.code != HttpURLConnection.HTTP_NOT_MODIFIED) {
-			response.body?.closeQuietly()
+			response.closeQuietly()
 			throw HttpException(response)
 		}
 		return response
@@ -116,8 +121,12 @@ class FaviconFetcher(
 		return ImageSource(data, fileSystem, diskCacheKey, this)
 	}
 
-	private fun ResponseBody.toImageSource(): ImageSource {
-		return ImageSource(source(), options.context, FaviconMetadata(mangaSource))
+	private fun ResponseBody.toImageSource(response: Closeable): ImageSource {
+		return ImageSource(
+			source().withExtraCloseable(response).buffer(),
+			options.context,
+			FaviconMetadata(mangaSource),
+		)
 	}
 
 	private fun Response.toDataSource(): DataSource {

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

@@ -4,6 +4,7 @@ import android.content.Context
 import android.content.SharedPreferences
 import android.net.Uri
 import android.provider.Settings
+import androidx.annotation.FloatRange
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.collection.arraySetOf
 import androidx.core.content.edit
@@ -15,6 +16,7 @@ import org.koitharu.kotatsu.core.model.ZoomMode
 import org.koitharu.kotatsu.core.network.DoHProvider
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.shelf.domain.ShelfSection
 import org.koitharu.kotatsu.utils.ext.connectivityManager
 import org.koitharu.kotatsu.utils.ext.filterToSet
@@ -164,6 +166,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_PROTECT_APP_BIOMETRIC, true)
 		set(value) = prefs.edit { putBoolean(KEY_PROTECT_APP_BIOMETRIC, value) }
 
+	val isMirrorSwitchingAvailable: Boolean
+		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, true)
+
 	val isExitConfirmationEnabled: Boolean
 		get() = prefs.getBoolean(KEY_EXIT_CONFIRM, false)
 
@@ -237,15 +242,28 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isDownloadsSlowdownEnabled: Boolean
 		get() = prefs.getBoolean(KEY_DOWNLOADS_SLOWDOWN, false)
 
-	val downloadsParallelism: Int
-		get() = prefs.getInt(KEY_DOWNLOADS_PARALLELISM, 2)
+	val isDownloadsWiFiOnly: Boolean
+		get() = prefs.getBoolean(KEY_DOWNLOADS_WIFI, false)
 
-	val isSuggestionsEnabled: Boolean
+	var isSuggestionsEnabled: Boolean
 		get() = prefs.getBoolean(KEY_SUGGESTIONS, false)
+		set(value) = prefs.edit { putBoolean(KEY_SUGGESTIONS, value) }
 
 	val isSuggestionsExcludeNsfw: Boolean
 		get() = prefs.getBoolean(KEY_SUGGESTIONS_EXCLUDE_NSFW, false)
 
+	val isSuggestionsNotificationAvailable: Boolean
+		get() = prefs.getBoolean(KEY_SUGGESTIONS_NOTIFICATIONS, true)
+
+	val suggestionsTagsBlacklist: Set<String>
+		get() {
+			val string = prefs.getString(KEY_SUGGESTIONS_EXCLUDE_TAGS, null)?.trimEnd(' ', ',')
+			if (string.isNullOrEmpty()) {
+				return emptySet()
+			}
+			return string.split(',').mapToSet { it.trim() }
+		}
+
 	val isReaderBarEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_BAR, true)
 
@@ -265,23 +283,16 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isWebtoonZoomEnable: Boolean
 		get() = prefs.getBoolean(KEY_WEBTOON_ZOOM, true)
 
+	@get:FloatRange(from = 0.0, to = 1.0)
+	var readerAutoscrollSpeed: Float
+		get() = prefs.getFloat(KEY_READER_AUTOSCROLL_SPEED, 0f)
+		set(@FloatRange(from = 0.0, to = 1.0) value) = prefs.edit { putFloat(KEY_READER_AUTOSCROLL_SPEED, value) }
+
 	fun isPagesPreloadEnabled(): Boolean {
 		val policy = NetworkPolicy.from(prefs.getString(KEY_PAGES_PRELOAD, null), NetworkPolicy.NON_METERED)
 		return policy.isNetworkAllowed(connectivityManager)
 	}
 
-	fun getSuggestionsTagsBlacklistRegex(): Regex? {
-		val string = prefs.getString(KEY_SUGGESTIONS_EXCLUDE_TAGS, null)?.trimEnd(' ', ',')
-		if (string.isNullOrEmpty()) {
-			return null
-		}
-		val tags = string.split(',')
-		val regex = tags.joinToString(prefix = "(", separator = "|", postfix = ")") { tag ->
-			Regex.escape(tag.trim())
-		}
-		return Regex(regex, RegexOption.IGNORE_CASE)
-	}
-
 	fun getMangaSources(includeHidden: Boolean): List<MangaSource> {
 		val list = remoteSources.toMutableList()
 		val order = sourcesOrder
@@ -296,6 +307,18 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		return list
 	}
 
+	fun isTipEnabled(tip: String): Boolean {
+		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
+	}
+
+	fun closeTip(tip: String) {
+		val closedTips = prefs.getStringSet(KEY_TIPS_CLOSED, emptySet()).orEmpty()
+		if (tip in closedTips) {
+			return
+		}
+		prefs.edit { putStringSet(KEY_TIPS_CLOSED, closedTips + tip) }
+	}
+
 	fun subscribe(listener: SharedPreferences.OnSharedPreferenceChangeListener) {
 		prefs.registerOnSharedPreferenceChangeListener(listener)
 	}
@@ -360,16 +383,18 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_SUGGESTIONS = "suggestions"
 		const val KEY_SUGGESTIONS_EXCLUDE_NSFW = "suggestions_exclude_nsfw"
 		const val KEY_SUGGESTIONS_EXCLUDE_TAGS = "suggestions_exclude_tags"
+		const val KEY_SUGGESTIONS_NOTIFICATIONS = "suggestions_notifications"
 		const val KEY_SHIKIMORI = "shikimori"
 		const val KEY_ANILIST = "anilist"
 		const val KEY_MAL = "mal"
-		const val KEY_DOWNLOADS_PARALLELISM = "downloads_parallelism"
 		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"
 		const val KEY_EXIT_CONFIRM = "exit_confirm"
 		const val KEY_INCOGNITO_MODE = "incognito"
 		const val KEY_SYNC = "sync"
+		const val KEY_SYNC_SETTINGS = "sync_settings"
 		const val KEY_READER_BAR = "reader_bar"
 		const val KEY_READER_SLIDER = "reader_slider"
 		const val KEY_SHORTCUTS = "dynamic_shortcuts"
@@ -383,7 +408,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOGS_SHARE = "logs_share"
 		const val KEY_SOURCES_GRID = "sources_grid"
 		const val KEY_UPDATES_UNSTABLE = "updates_unstable"
+		const val KEY_TIPS_CLOSED = "tips_closed"
 		const val KEY_SSL_BYPASS = "ssl_bypass"
+		const val KEY_READER_AUTOSCROLL_SPEED = "as_speed"
+		const val KEY_MIRROR_SWITCHING = "mirror_switching"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

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

@@ -28,4 +28,12 @@ class SourceSettings(context: Context, source: MangaSource) : MangaSourceConfig
 			is ConfigKey.ShowSuspiciousContent -> prefs.getBoolean(key.key, key.defaultValue)
 		} as T
 	}
+
+	operator fun <T> set(key: ConfigKey<T>, value: T) = prefs.edit {
+		when (key) {
+			is ConfigKey.Domain -> putString(key.key, value as String?)
+			is ConfigKey.ShowSuspiciousContent -> putBoolean(key.key, value as Boolean)
+			is ConfigKey.UserAgent -> putString(key.key, value as String?)
+		}
+	}
 }

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

@@ -1,5 +1,8 @@
 package org.koitharu.kotatsu.core.ui
 
+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
@@ -12,28 +15,24 @@ import androidx.fragment.app.FragmentManager
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.AlertDialogFragment
-import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
-import org.koitharu.kotatsu.databinding.DialogMangaErrorBinding
-import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.databinding.DialogErrorDetailsBinding
+import org.koitharu.kotatsu.utils.ext.isReportable
 import org.koitharu.kotatsu.utils.ext.report
-import org.koitharu.kotatsu.utils.ext.requireParcelable
 import org.koitharu.kotatsu.utils.ext.requireSerializable
 import org.koitharu.kotatsu.utils.ext.withArgs
 
-class MangaErrorDialog : AlertDialogFragment<DialogMangaErrorBinding>() {
+class ErrorDetailsDialog : AlertDialogFragment<DialogErrorDetailsBinding>() {
 
-	private lateinit var error: Throwable
-	private lateinit var manga: Manga
+	private lateinit var exception: Throwable
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		val args = requireArguments()
-		manga = args.requireParcelable<ParcelableManga>(ARG_MANGA).manga
-		error = args.requireSerializable(ARG_ERROR)
+		exception = args.requireSerializable(ARG_ERROR)
 	}
 
-	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): DialogMangaErrorBinding {
-		return DialogMangaErrorBinding.inflate(inflater, container, false)
+	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): DialogErrorDetailsBinding {
+		return DialogErrorDetailsBinding.inflate(inflater, container, false)
 	}
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -42,31 +41,47 @@ class MangaErrorDialog : AlertDialogFragment<DialogMangaErrorBinding>() {
 			movementMethod = LinkMovementMethod.getInstance()
 			text = context.getString(
 				R.string.manga_error_description_pattern,
-				this@MangaErrorDialog.error.message?.htmlEncode().orEmpty(),
-				manga.publicUrl,
+				exception.message?.htmlEncode().orEmpty(),
+				arguments?.getString(ARG_URL),
 			).parseAsHtml(HtmlCompat.FROM_HTML_MODE_LEGACY)
 		}
 	}
 
+	@Suppress("NAME_SHADOWING")
 	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
-		return super.onBuildDialog(builder)
+		val builder = super.onBuildDialog(builder)
 			.setCancelable(true)
 			.setNegativeButton(android.R.string.cancel, null)
-			.setPositiveButton(R.string.report) { _, _ ->
+			.setTitle(R.string.error_occurred)
+			.setNeutralButton(androidx.preference.R.string.copy) { _, _ ->
+				copyToClipboard()
+			}
+		if (exception.isReportable()) {
+			builder.setPositiveButton(R.string.report) { _, _ ->
 				dismiss()
-				error.report()
-			}.setTitle(R.string.error_occurred)
+				exception.report()
+			}
+		}
+		return builder
+	}
+
+	private fun copyToClipboard() {
+		val clipboardManager = context?.getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager
+			?: return
+		clipboardManager.setPrimaryClip(
+			ClipData.newPlainText(getString(R.string.error), exception.stackTraceToString()),
+		)
 	}
 
 	companion object {
 
-		private const val TAG = "MangaErrorDialog"
+		private const val TAG = "ErrorDetailsDialog"
 		private const val ARG_ERROR = "error"
-		private const val ARG_MANGA = "manga"
+		private const val ARG_URL = "url"
 
-		fun show(fm: FragmentManager, manga: Manga, error: Throwable) = MangaErrorDialog().withArgs(2) {
-			putParcelable(ARG_MANGA, ParcelableManga(manga, false))
+		fun show(fm: FragmentManager, error: Throwable, url: String?) = ErrorDetailsDialog().withArgs(2) {
 			putSerializable(ARG_ERROR, error)
+			putString(ARG_URL, url)
 		}.show(fm, TAG)
 	}
 }

app/src/main/java/org/koitharu/kotatsu/details/domain/BranchComparator.kt

@@ -1,6 +1,8 @@
 package org.koitharu.kotatsu.details.domain
 
-class BranchComparator : Comparator<String?> {
+import org.koitharu.kotatsu.details.ui.model.MangaBranch
 
-	override fun compare(o1: String?, o2: String?): Int = compareValues(o1, o2)
-}
+class BranchComparator : Comparator<MangaBranch> {
+
+	override fun compare(o1: MangaBranch, o2: MangaBranch): Int = compareValues(o1.name, o2.name)
+}

app/src/main/java/org/koitharu/kotatsu/details/service/MangaPrefetchService.kt

@@ -14,6 +14,7 @@ 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.utils.ext.getParcelableExtraCompat
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.runCatchingCancellable
 import javax.inject.Inject
 
@@ -95,7 +96,12 @@ class MangaPrefetchService : CoroutineIntentService() {
 			val intent = Intent(context, MangaPrefetchService::class.java)
 			intent.action = ACTION_PREFETCH_PAGES
 			intent.putExtra(EXTRA_CHAPTER, ParcelableMangaChapters(listOf(chapter)))
-			context.startService(intent)
+			try {
+				context.startService(intent)
+			} catch (e: IllegalStateException) {
+				// probably app is in background
+				e.printStackTraceDebug()
+			}
 		}
 
 		fun prefetchLast(context: Context) {

app/src/main/java/org/koitharu/kotatsu/details/ui/ChaptersFragment.kt

@@ -19,7 +19,6 @@ import org.koitharu.kotatsu.databinding.FragmentChaptersBinding
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersAdapter
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersSelectionDecoration
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
-import org.koitharu.kotatsu.download.ui.service.DownloadService
 import org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
@@ -95,11 +94,7 @@ class ChaptersFragment :
 	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
 		return when (item.itemId) {
 			R.id.action_save -> {
-				DownloadService.start(
-					binding.recyclerViewChapters,
-					viewModel.getRemoteManga() ?: viewModel.manga.value ?: return false,
-					selectionController?.snapshot(),
-				)
+				viewModel.download(selectionController?.snapshot())
 				mode.finish()
 				true
 			}

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsActivity.kt

@@ -1,51 +1,49 @@
 package org.koitharu.kotatsu.details.ui
 
-import android.content.BroadcastReceiver
 import android.content.Context
+import android.content.DialogInterface
 import android.content.Intent
-import android.content.IntentFilter
 import android.os.Bundle
 import android.transition.Slide
 import android.transition.TransitionManager
 import android.view.Gravity
-import android.view.Menu
+import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.view.animation.AccelerateDecelerateInterpolator
 import android.widget.Toast
+import androidx.activity.viewModels
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.graphics.Insets
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import androidx.lifecycle.Observer
-import androidx.lifecycle.lifecycleScope
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.BaseTransientBottomBar
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.base.ui.dialog.RecyclerViewAlertDialog
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.base.ui.widgets.BottomSheetHeaderBar
-import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.core.os.ShortcutsUpdater
-import org.koitharu.kotatsu.core.ui.MangaErrorDialog
 import org.koitharu.kotatsu.databinding.ActivityDetailsBinding
 import org.koitharu.kotatsu.details.service.MangaPrefetchService
+import org.koitharu.kotatsu.details.ui.adapter.branchAD
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
-import org.koitharu.kotatsu.download.ui.service.DownloadService
+import org.koitharu.kotatsu.details.ui.model.MangaBranch
+import org.koitharu.kotatsu.download.ui.worker.DownloadStartedObserver
 import org.koitharu.kotatsu.main.ui.owners.NoModalBottomSheetOwner
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.utils.ViewBadge
-import org.koitharu.kotatsu.utils.ext.assistedViewModels
-import org.koitharu.kotatsu.utils.ext.getDisplayMessage
-import org.koitharu.kotatsu.utils.ext.isReportable
 import org.koitharu.kotatsu.utils.ext.setNavigationBarTransparentCompat
 import org.koitharu.kotatsu.utils.ext.textAndVisible
 import javax.inject.Inject
@@ -55,31 +53,21 @@ class DetailsActivity :
 	BaseActivity<ActivityDetailsBinding>(),
 	View.OnClickListener,
 	BottomSheetHeaderBar.OnExpansionChangeListener,
-	NoModalBottomSheetOwner {
+	NoModalBottomSheetOwner,
+	View.OnLongClickListener,
+	PopupMenu.OnMenuItemClickListener {
 
 	override val bsHeader: BottomSheetHeaderBar?
 		get() = binding.headerChapters
 
-	@Inject
-	lateinit var viewModelFactory: DetailsViewModel.Factory
-
 	@Inject
 	lateinit var shortcutsUpdater: ShortcutsUpdater
 
 	private lateinit var viewBadge: ViewBadge
 
-	private val viewModel: DetailsViewModel by assistedViewModels {
-		viewModelFactory.create(MangaIntent(intent))
-	}
+	private val viewModel: DetailsViewModel by viewModels()
 	private lateinit var chaptersMenuProvider: ChaptersMenuProvider
 
-	private val downloadReceiver = object : BroadcastReceiver() {
-		override fun onReceive(context: Context?, intent: Intent?) {
-			val downloadedManga = DownloadService.getDownloadedManga(intent) ?: return
-			viewModel.onDownloadComplete(downloadedManga)
-		}
-	}
-
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		setContentView(ActivityDetailsBinding.inflate(layoutInflater))
@@ -88,6 +76,7 @@ class DetailsActivity :
 			setDisplayShowTitleEnabled(false)
 		}
 		binding.buttonRead.setOnClickListener(this)
+		binding.buttonRead.setOnLongClickListener(this)
 		binding.buttonDropdown.setOnClickListener(this)
 		viewBadge = ViewBadge(binding.buttonRead, this)
 
@@ -105,7 +94,19 @@ class DetailsActivity :
 		viewModel.manga.observe(this, ::onMangaUpdated)
 		viewModel.newChaptersCount.observe(this, ::onNewChaptersChanged)
 		viewModel.onMangaRemoved.observe(this, ::onMangaRemoved)
-		viewModel.onError.observe(this, ::onError)
+		viewModel.onError.observe(
+			this,
+			SnackbarErrorObserver(
+				host = binding.containerDetails,
+				fragment = null,
+				resolver = exceptionResolver,
+				onResolved = { isResolved ->
+					if (isResolved) {
+						viewModel.reload()
+					}
+				},
+			),
+		)
 		viewModel.onShowToast.observe(this) {
 			makeSnackbar(getString(it), Snackbar.LENGTH_SHORT).show()
 		}
@@ -124,8 +125,8 @@ class DetailsActivity :
 			binding.buttonDropdown.isVisible = it.size > 1
 		}
 		viewModel.chapters.observe(this, PrefetchObserver(this))
+		viewModel.onDownloadStarted.observe(this, DownloadStartedObserver(binding.containerDetails))
 
-		registerReceiver(downloadReceiver, IntentFilter(DownloadService.ACTION_DOWNLOAD_COMPLETE))
 		addMenuProvider(
 			DetailsMenuProvider(
 				activity = this,
@@ -137,33 +138,35 @@ class DetailsActivity :
 		binding.headerChapters?.addOnExpansionChangeListener(this) ?: addMenuProvider(chaptersMenuProvider)
 	}
 
-	override fun onDestroy() {
-		unregisterReceiver(downloadReceiver)
-		super.onDestroy()
-	}
-
 	override fun onClick(v: View) {
-		val manga = viewModel.manga.value ?: return
 		when (v.id) {
-			R.id.button_read -> {
-				val chapterId = viewModel.historyInfo.value?.history?.chapterId
-				if (chapterId != null && manga.chapters?.none { x -> x.id == chapterId } == true) {
-					showChapterMissingDialog(chapterId)
-				} else {
-					startActivity(
-						ReaderActivity.newIntent(
-							context = this,
-							manga = manga,
-							branch = viewModel.selectedBranchValue,
-						),
-					)
-				}
-			}
-
+			R.id.button_read -> openReader(isIncognitoMode = false)
 			R.id.button_dropdown -> showBranchPopupMenu()
 		}
 	}
 
+	override fun onLongClick(v: View): Boolean = when (v.id) {
+		R.id.button_read -> {
+			val menu = PopupMenu(v.context, v)
+			menu.inflate(R.menu.popup_read)
+			menu.setOnMenuItemClickListener(this)
+			menu.setForceShowIcon(true)
+			menu.show()
+			true
+		}
+
+		else -> false
+	}
+
+	override fun onMenuItemClick(item: MenuItem): Boolean = when (item.itemId) {
+		R.id.action_incognito -> {
+			openReader(isIncognitoMode = true)
+			true
+		}
+
+		else -> false
+	}
+
 	override fun onExpansionStateChanged(headerBar: BottomSheetHeaderBar, isExpanded: Boolean) {
 		if (isExpanded) {
 			headerBar.addMenuProvider(chaptersMenuProvider)
@@ -191,37 +194,6 @@ class DetailsActivity :
 		finishAfterTransition()
 	}
 
-	private fun onError(e: Throwable) {
-		val manga = viewModel.manga.value
-		when {
-			ExceptionResolver.canResolve(e) -> {
-				resolveError(e)
-			}
-
-			manga == null -> {
-				Toast.makeText(this, e.getDisplayMessage(resources), Toast.LENGTH_LONG).show()
-				finishAfterTransition()
-			}
-
-			else -> {
-				val snackbar = makeSnackbar(
-					e.getDisplayMessage(resources),
-					if (viewModel.manga.value?.chapters == null) {
-						Snackbar.LENGTH_INDEFINITE
-					} else {
-						Snackbar.LENGTH_LONG
-					},
-				)
-				if (e.isReportable()) {
-					snackbar.setAction(R.string.details) {
-						MangaErrorDialog.show(supportFragmentManager, manga, e)
-					}
-				}
-				snackbar.show()
-			}
-		}
-	}
-
 	override fun onWindowInsetsChanged(insets: Insets) {
 		binding.root.updatePadding(
 			left = insets.left,
@@ -277,34 +249,44 @@ class DetailsActivity :
 				)
 			}
 			setNeutralButton(R.string.download) { _, _ ->
-				DownloadService.start(binding.appbar, remoteManga, setOf(chapterId))
+				viewModel.download(setOf(chapterId))
 			}
 			setCancelable(true)
 		}.show()
 	}
 
 	private fun showBranchPopupMenu() {
-		val menu = PopupMenu(this, binding.headerChapters ?: binding.buttonDropdown)
-		val currentBranch = viewModel.selectedBranchValue
-		for (branch in viewModel.branches.value ?: return) {
-			val item = menu.menu.add(R.id.group_branches, Menu.NONE, Menu.NONE, branch)
-			item.isChecked = branch == currentBranch
+		var dialog: DialogInterface? = null
+		val listener = OnListItemClickListener<MangaBranch> { item, _ ->
+			viewModel.setSelectedBranch(item.name)
+			dialog?.dismiss()
 		}
-		menu.menu.setGroupCheckable(R.id.group_branches, true, true)
-		menu.setOnMenuItemClickListener { item ->
-			viewModel.setSelectedBranch(item.title?.toString())
-			true
-		}
-		menu.show()
+		dialog = RecyclerViewAlertDialog.Builder<MangaBranch>(this)
+			.addAdapterDelegate(branchAD(listener))
+			.setCancelable(true)
+			.setNegativeButton(android.R.string.cancel, null)
+			.setTitle(R.string.translations)
+			.setItems(viewModel.branches.value.orEmpty())
+			.create()
+			.also { it.show() }
 	}
 
-	private fun resolveError(e: Throwable) {
-		lifecycleScope.launch {
-			if (exceptionResolver.resolve(e)) {
-				viewModel.reload()
-			} else if (viewModel.manga.value == null) {
-				Toast.makeText(this@DetailsActivity, e.getDisplayMessage(resources), Toast.LENGTH_LONG).show()
-				finishAfterTransition()
+	private fun openReader(isIncognitoMode: Boolean) {
+		val manga = viewModel.manga.value ?: return
+		val chapterId = viewModel.historyInfo.value?.history?.chapterId
+		if (chapterId != null && manga.chapters?.none { x -> x.id == chapterId } == true) {
+			showChapterMissingDialog(chapterId)
+		} else {
+			startActivity(
+				ReaderActivity.newIntent(
+					context = this,
+					manga = manga,
+					branch = viewModel.selectedBranchValue,
+					isIncognitoMode = isIncognitoMode,
+				),
+			)
+			if (isIncognitoMode) {
+				Toast.makeText(this, R.string.incognito_mode, Toast.LENGTH_SHORT).show()
 			}
 		}
 	}
@@ -331,17 +313,17 @@ class DetailsActivity :
 
 	private class PrefetchObserver(
 		private val context: Context,
-	) : Observer<List<ChapterListItem>> {
+	) : Observer<List<ChapterListItem>?> {
 
 		private var isCalled = false
 
-		override fun onChanged(t: List<ChapterListItem>?) {
-			if (t.isNullOrEmpty()) {
+		override fun onChanged(value: List<ChapterListItem>?) {
+			if (value.isNullOrEmpty()) {
 				return
 			}
 			if (!isCalled) {
 				isCalled = true
-				val item = t.find { it.hasFlag(ChapterListItem.FLAG_CURRENT) } ?: t.first()
+				val item = value.find { it.hasFlag(ChapterListItem.FLAG_CURRENT) } ?: value.first()
 				MangaPrefetchService.prefetchPages(context, item.chapter)
 			}
 		}

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsFragment.kt

@@ -5,10 +5,10 @@ import android.text.method.LinkMovementMethod
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
-import androidx.core.net.toUri
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
@@ -18,7 +18,6 @@ import coil.request.ImageRequest
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
@@ -26,6 +25,8 @@ import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
 import org.koitharu.kotatsu.base.ui.widgets.ChipsView
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.ui.adapter.BookmarksAdapter
+import org.koitharu.kotatsu.core.model.countChaptersByBranch
+import org.koitharu.kotatsu.core.parser.MangaTagHighlighter
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
@@ -39,12 +40,10 @@ 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.reader.ui.ReaderActivity
-import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingInfo
 import org.koitharu.kotatsu.search.ui.MangaListActivity
 import org.koitharu.kotatsu.search.ui.SearchActivity
 import org.koitharu.kotatsu.utils.FileSize
-import org.koitharu.kotatsu.utils.ext.computeSize
 import org.koitharu.kotatsu.utils.ext.crossfade
 import org.koitharu.kotatsu.utils.ext.drawableTop
 import org.koitharu.kotatsu.utils.ext.enqueueWith
@@ -53,8 +52,6 @@ import org.koitharu.kotatsu.utils.ext.measureHeight
 import org.koitharu.kotatsu.utils.ext.resolveDp
 import org.koitharu.kotatsu.utils.ext.scaleUpActivityOptionsOf
 import org.koitharu.kotatsu.utils.ext.textAndVisible
-import org.koitharu.kotatsu.utils.ext.toFileOrNull
-import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
 import org.koitharu.kotatsu.utils.image.CoverSizeResolver
 import javax.inject.Inject
 
@@ -62,13 +59,15 @@ import javax.inject.Inject
 class DetailsFragment :
 	BaseFragment<FragmentDetailsBinding>(),
 	View.OnClickListener,
-	View.OnLongClickListener,
 	ChipsView.OnChipClickListener,
 	OnListItemClickListener<Bookmark> {
 
 	@Inject
 	lateinit var coil: ImageLoader
 
+	@Inject
+	lateinit var tagHighlighter: MangaTagHighlighter
+
 	private val viewModel by activityViewModels<DetailsViewModel>()
 
 	override fun onInflateView(
@@ -90,6 +89,7 @@ class DetailsFragment :
 		viewModel.scrobblingInfo.observe(viewLifecycleOwner, ::onScrobblingInfoChanged)
 		viewModel.description.observe(viewLifecycleOwner, ::onDescriptionChanged)
 		viewModel.chapters.observe(viewLifecycleOwner, ::onChaptersChanged)
+		viewModel.localSize.observe(viewLifecycleOwner, ::onLocalSizeChanged)
 	}
 
 	override fun onItemClick(item: Bookmark, view: View) {
@@ -97,6 +97,7 @@ class DetailsFragment :
 			ReaderActivity.newIntent(view.context, item),
 			scaleUpActivityOptionsOf(view).toBundle(),
 		)
+		Toast.makeText(view.context, R.string.incognito_mode, Toast.LENGTH_SHORT).show()
 	}
 
 	override fun onItemLongClick(item: Bookmark, view: View): Boolean {
@@ -145,20 +146,9 @@ class DetailsFragment :
 			}
 			if (manga.source == MangaSource.LOCAL) {
 				infoLayout.textViewSource.isVisible = false
-				val file = manga.url.toUri().toFileOrNull()
-				if (file != null) {
-					viewLifecycleScope.launch {
-						val size = file.computeSize()
-						infoLayout.textViewSize.text = FileSize.BYTES.format(requireContext(), size)
-						infoLayout.textViewSize.isVisible = true
-					}
-				} else {
-					infoLayout.textViewSize.isVisible = false
-				}
 			} else {
 				infoLayout.textViewSource.text = manga.source.title
 				infoLayout.textViewSource.isVisible = true
-				infoLayout.textViewSize.isVisible = false
 			}
 
 			infoLayout.textViewNsfw.isVisible = manga.isNsfw
@@ -173,12 +163,9 @@ class DetailsFragment :
 		if (chapters.isNullOrEmpty()) {
 			infoLayout.textViewChapters.isVisible = false
 		} else {
+			val count = chapters.countChaptersByBranch()
 			infoLayout.textViewChapters.isVisible = true
-			infoLayout.textViewChapters.text = resources.getQuantityString(
-				R.plurals.chapters,
-				chapters.size,
-				chapters.size,
-			)
+			infoLayout.textViewChapters.text = resources.getQuantityString(R.plurals.chapters, count, count)
 		}
 	}
 
@@ -190,6 +177,16 @@ class DetailsFragment :
 		}
 	}
 
+	private fun onLocalSizeChanged(size: Long) {
+		val textView = binding.infoLayout.textViewSize
+		if (size == 0L) {
+			textView.isVisible = false
+		} else {
+			textView.text = FileSize.BYTES.format(textView.context, size)
+			textView.isVisible = true
+		}
+	}
+
 	private fun onHistoryChanged(history: HistoryInfo) {
 		binding.progressView.setPercent(history.history?.percent ?: PROGRESS_NONE, animate = true)
 	}
@@ -264,43 +261,6 @@ class DetailsFragment :
 		}
 	}
 
-	override fun onLongClick(v: View): Boolean {
-		when (v.id) {
-			R.id.button_read -> {
-				if (viewModel.historyInfo.value?.history == null) {
-					return false
-				}
-				val menu = PopupMenu(v.context, v)
-				menu.inflate(R.menu.popup_read)
-				menu.setOnMenuItemClickListener { menuItem ->
-					when (menuItem.itemId) {
-						R.id.action_read -> {
-							val branch = viewModel.selectedBranchValue
-							startActivity(
-								ReaderActivity.newIntent(
-									context = context ?: return@setOnMenuItemClickListener false,
-									manga = viewModel.manga.value ?: return@setOnMenuItemClickListener false,
-									state = viewModel.chapters.value?.firstOrNull { c ->
-										c.chapter.branch == branch
-									}?.let { c ->
-										ReaderState(c.chapter.id, 0, 0)
-									},
-								),
-							)
-							true
-						}
-
-						else -> false
-					}
-				}
-				menu.show()
-				return true
-			}
-
-			else -> return false
-		}
-	}
-
 	override fun onChipClick(chip: Chip, data: Any?) {
 		val tag = data as? MangaTag ?: return
 		startActivity(MangaListActivity.newIntent(requireContext(), setOf(tag)))
@@ -321,7 +281,7 @@ class DetailsFragment :
 			manga.tags.map { tag ->
 				ChipsView.ChipModel(
 					title = tag.title,
-					icon = 0,
+					tint = tagHighlighter.getTint(tag),
 					data = tag,
 					isCheckable = false,
 					isChecked = false,
@@ -341,7 +301,7 @@ class DetailsFragment :
 			.size(CoverSizeResolver(binding.imageViewCover))
 			.data(imageUrl)
 			.tag(manga.source)
-			.crossfade(context)
+			.crossfade(requireContext())
 			.lifecycle(viewLifecycleOwner)
 			.placeholderMemoryCacheKey(manga.coverUrl)
 		val previousDrawable = lastResult?.drawable

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsMenuProvider.kt

@@ -16,7 +16,7 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.BrowserActivity
 import org.koitharu.kotatsu.core.os.ShortcutsUpdater
-import org.koitharu.kotatsu.download.ui.service.DownloadService
+import org.koitharu.kotatsu.details.ui.model.MangaBranch
 import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesBottomSheet
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -86,7 +86,7 @@ class DetailsMenuProvider(
 					if (chaptersCount > 5 || branches.size > 1) {
 						showSaveConfirmation(it, chaptersCount, branches)
 					} else {
-						DownloadService.start(snackbarHost, it)
+						viewModel.download(null)
 					}
 				}
 			}
@@ -125,22 +125,24 @@ class DetailsMenuProvider(
 		return true
 	}
 
-	private fun showSaveConfirmation(manga: Manga, chaptersCount: Int, branches: List<String?>) {
+	private fun showSaveConfirmation(manga: Manga, chaptersCount: Int, branches: List<MangaBranch>) {
 		val dialogBuilder = MaterialAlertDialogBuilder(activity)
 			.setTitle(R.string.save_manga)
 			.setNegativeButton(android.R.string.cancel, null)
 		if (branches.size > 1) {
-			val items = Array(branches.size) { i -> branches[i].orEmpty() }
-			val currentBranch = viewModel.selectedBranchIndex.value ?: -1
+			val items = Array(branches.size) { i -> branches[i].name.orEmpty() }
+			val currentBranch = branches.indexOfFirst { it.isSelected }
 			val checkedIndices = BooleanArray(branches.size) { i -> i == currentBranch }
 			dialogBuilder.setMultiChoiceItems(items, checkedIndices) { _, i, checked ->
 				checkedIndices[i] = checked
 			}.setPositiveButton(R.string.save) { _, _ ->
-				val selectedBranches = branches.filterIndexedTo(HashSet()) { i, _ -> checkedIndices[i] }
+				val selectedBranches = branches.mapIndexedNotNullTo(HashSet()) { i, b ->
+					if (checkedIndices[i]) b.name else null
+				}
 				val chaptersIds = manga.chapters?.mapNotNullToSet { c ->
 					if (c.branch in selectedBranches) c.id else null
 				}
-				DownloadService.start(snackbarHost, manga, chaptersIds)
+				viewModel.download(chaptersIds)
 			}
 		} else {
 			dialogBuilder.setMessage(
@@ -149,7 +151,7 @@ class DetailsMenuProvider(
 					activity.resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount),
 				),
 			).setPositiveButton(R.string.save) { _, _ ->
-				DownloadService.start(snackbarHost, manga)
+				viewModel.download(null)
 			}
 		}
 		dialogBuilder.show()

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsViewModel.kt

@@ -4,18 +4,18 @@ import android.text.Html
 import android.text.SpannableString
 import android.text.Spanned
 import android.text.style.ForegroundColorSpan
+import androidx.core.net.toUri
 import androidx.core.text.getSpans
 import androidx.core.text.parseAsHtml
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.asFlow
 import androidx.lifecycle.asLiveData
 import androidx.lifecycle.viewModelScope
-import dagger.assisted.Assisted
-import dagger.assisted.AssistedFactory
-import dagger.assisted.AssistedInject
+import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChangedBy
@@ -28,59 +28,55 @@ import kotlinx.coroutines.flow.transformLatest
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.base.domain.MangaDataRepository
-import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.base.ui.BaseViewModel
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
-import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.details.domain.BranchComparator
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
+import org.koitharu.kotatsu.details.ui.model.MangaBranch
+import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.history.domain.HistoryRepository
+import org.koitharu.kotatsu.local.data.LocalManga
+import org.koitharu.kotatsu.local.data.LocalStorageChanges
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.scrobbling.common.domain.Scrobbler
 import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingInfo
 import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingStatus
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.asFlowLiveData
-import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.ext.computeSize
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.runCatchingCancellable
+import org.koitharu.kotatsu.utils.ext.toFileOrNull
 import java.io.IOException
+import javax.inject.Inject
 
-class DetailsViewModel @AssistedInject constructor(
-	@Assisted intent: MangaIntent,
+@HiltViewModel
+class DetailsViewModel @Inject constructor(
 	private val historyRepository: HistoryRepository,
 	favouritesRepository: FavouritesRepository,
 	private val localMangaRepository: LocalMangaRepository,
 	trackingRepository: TrackingRepository,
-	mangaDataRepository: MangaDataRepository,
 	private val bookmarksRepository: BookmarksRepository,
 	private val settings: AppSettings,
 	private val scrobblers: Set<@JvmSuppressWildcards Scrobbler>,
 	private val imageGetter: Html.ImageGetter,
-	mangaRepositoryFactory: MangaRepository.Factory,
+	private val delegate: MangaDetailsDelegate,
+	@LocalStorageChanges private val localStorageChanges: SharedFlow<LocalManga?>,
+	private val downloadScheduler: DownloadWorker.Scheduler,
 ) : BaseViewModel() {
 
-	private val delegate = MangaDetailsDelegate(
-		intent = intent,
-		mangaDataRepository = mangaDataRepository,
-		historyRepository = historyRepository,
-		localMangaRepository = localMangaRepository,
-		mangaRepositoryFactory = mangaRepositoryFactory,
-	)
-
 	private var loadingJob: Job
 
 	val onShowToast = SingleLiveEvent<Int>()
+	val onDownloadStarted = SingleLiveEvent<Unit>()
 
 	private val history = historyRepository.observeOne(delegate.mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
@@ -109,18 +105,36 @@ class DetailsViewModel @AssistedInject constructor(
 
 	val historyInfo: LiveData<HistoryInfo> = combine(
 		delegate.manga,
+		delegate.selectedBranch,
 		history,
 		historyRepository.observeShouldSkip(delegate.manga),
-	) { m, h, im ->
-		HistoryInfo(m, h, im)
+	) { m, b, h, im ->
+		HistoryInfo(m, b, h, im)
 	}.asFlowLiveData(
 		context = viewModelScope.coroutineContext + Dispatchers.Default,
-		defaultValue = HistoryInfo(null, null, false),
+		defaultValue = HistoryInfo(null, null, null, false),
 	)
 
 	val bookmarks = delegate.manga.flatMapLatest {
 		if (it != null) bookmarksRepository.observeBookmarks(it) else flowOf(emptyList())
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, emptyList())
+	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, emptyList())
+
+	val localSize = combine(
+		delegate.manga,
+		delegate.relatedManga,
+	) { m1, m2 ->
+		val url = when {
+			m1?.source == MangaSource.LOCAL -> m1.url
+			m2?.source == MangaSource.LOCAL -> m2.url
+			else -> null
+		}
+		if (url != null) {
+			val file = url.toUri().toFileOrNull()
+			file?.computeSize() ?: 0L
+		} else {
+			0L
+		}
+	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, 0)
 
 	val description = delegate.manga
 		.distinctUntilChangedBy { it?.description.orEmpty() }
@@ -132,7 +146,7 @@ class DetailsViewModel @AssistedInject constructor(
 				emit(description.parseAsHtml().filterSpans())
 				emit(description.parseAsHtml(imageGetter = imageGetter).filterSpans())
 			}
-		}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, null)
+		}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, null)
 
 	val onMangaRemoved = SingleLiveEvent<Manga>()
 	val isScrobblingAvailable: Boolean
@@ -144,17 +158,15 @@ class DetailsViewModel @AssistedInject constructor(
 		scrobblingInfo.filterNotNull()
 	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, emptyList())
 
-	val branches: LiveData<List<String?>> = delegate.manga.map {
-		val chapters = it?.chapters ?: return@map emptyList()
-		chapters.mapToSet { x -> x.branch }.sortedWith(BranchComparator())
-	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, emptyList())
-
-	val selectedBranchIndex = combine(
-		branches.asFlow(),
+	val branches: LiveData<List<MangaBranch>> = combine(
+		delegate.manga,
 		delegate.selectedBranch,
-	) { branches, selected ->
-		branches.indexOf(selected)
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, -1)
+	) { m, b ->
+		val chapters = m?.chapters ?: return@combine emptyList()
+		chapters.groupBy { x -> x.branch }
+			.map { x -> MangaBranch(x.key, x.value.size, x.key == b) }
+			.sortedWith(BranchComparator())
+	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, emptyList())
 
 	val selectedBranchName = delegate.selectedBranch
 		.asFlowLiveData(viewModelScope.coroutineContext, null)
@@ -164,7 +176,7 @@ class DetailsViewModel @AssistedInject constructor(
 		isLoading.asFlow(),
 	) { m, loading ->
 		m != null && m.chapters.isNullOrEmpty() && !loading
-	}.asLiveDataDistinct(viewModelScope.coroutineContext, false)
+	}.asFlowLiveData(viewModelScope.coroutineContext, false)
 
 	val chapters = combine(
 		combine(
@@ -187,6 +199,10 @@ class DetailsViewModel @AssistedInject constructor(
 
 	init {
 		loadingJob = doLoad()
+		launchJob(Dispatchers.Default) {
+			localStorageChanges
+				.collect { onDownloadComplete(it) }
+		}
 	}
 
 	fun reload() {
@@ -201,14 +217,14 @@ class DetailsViewModel @AssistedInject constructor(
 			return
 		}
 		launchLoadingJob(Dispatchers.Default) {
-			val manga = if (m.source == MangaSource.LOCAL) m else localMangaRepository.findSavedManga(m)
+			val manga = if (m.source == MangaSource.LOCAL) m else localMangaRepository.findSavedManga(m)?.manga
 			checkNotNull(manga) { "Cannot find saved manga for ${m.title}" }
 			val original = localMangaRepository.getRemoteManga(manga)
 			localMangaRepository.delete(manga) || throw IOException("Unable to delete file")
 			runCatchingCancellable {
 				historyRepository.deleteOrSwap(manga, original)
 			}
-			onMangaRemoved.postCall(manga)
+			onMangaRemoved.emitCall(manga)
 		}
 	}
 
@@ -235,26 +251,6 @@ class DetailsViewModel @AssistedInject constructor(
 		chaptersQuery.value = query?.trim().orEmpty()
 	}
 
-	fun onDownloadComplete(downloadedManga: Manga) {
-		val currentManga = delegate.manga.value ?: return
-		if (currentManga.id != downloadedManga.id) {
-			return
-		}
-		if (currentManga.source == MangaSource.LOCAL) {
-			reload()
-		} else {
-			viewModelScope.launch(Dispatchers.Default) {
-				runCatchingCancellable {
-					localMangaRepository.getDetails(downloadedManga)
-				}.onSuccess {
-					delegate.relatedManga.value = it
-				}.onFailure {
-					it.printStackTraceDebug()
-				}
-			}
-		}
-	}
-
 	fun updateScrobbling(index: Int, rating: Float, status: ScrobblingStatus?) {
 		val scrobbler = getScrobbler(index) ?: return
 		launchJob(Dispatchers.Default) {
@@ -279,7 +275,7 @@ class DetailsViewModel @AssistedInject constructor(
 	fun markChapterAsCurrent(chapterId: Long) {
 		launchJob(Dispatchers.Default) {
 			val manga = checkNotNull(delegate.manga.value)
-			val chapters = checkNotNull(manga.chapters)
+			val chapters = checkNotNull(manga.getChapters(selectedBranchValue))
 			val chapterIndex = chapters.indexOfFirst { it.id == chapterId }
 			check(chapterIndex in chapters.indices) { "Chapter not found" }
 			val percent = chapterIndex / chapters.size.toFloat()
@@ -287,6 +283,16 @@ class DetailsViewModel @AssistedInject constructor(
 		}
 	}
 
+	fun download(chaptersIds: Set<Long>?) {
+		launchJob(Dispatchers.Default) {
+			downloadScheduler.schedule(
+				getRemoteManga() ?: checkNotNull(manga.value),
+				chaptersIds,
+			)
+			onDownloadStarted.emitCall(Unit)
+		}
+	}
+
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
 		delegate.doLoad()
 	}
@@ -300,6 +306,27 @@ class DetailsViewModel @AssistedInject constructor(
 		}
 	}
 
+	private suspend fun onDownloadComplete(downloadedManga: LocalManga?) {
+		downloadedManga ?: return
+		val currentManga = delegate.manga.value ?: return
+		if (currentManga.id != downloadedManga.manga.id) {
+			return
+		}
+		if (currentManga.source == MangaSource.LOCAL) {
+			reload()
+		} else {
+			viewModelScope.launch(Dispatchers.Default) {
+				runCatchingCancellable {
+					localMangaRepository.getDetails(downloadedManga.manga)
+				}.onSuccess {
+					delegate.relatedManga.value = it
+				}.onFailure {
+					it.printStackTraceDebug()
+				}
+			}
+		}
+	}
+
 	private fun Spanned.filterSpans(): CharSequence {
 		val spannable = SpannableString.valueOf(this)
 		val spans = spannable.getSpans<ForegroundColorSpan>()
@@ -321,10 +348,4 @@ class DetailsViewModel @AssistedInject constructor(
 		}
 		return scrobbler
 	}
-
-	@AssistedFactory
-	interface Factory {
-
-		fun create(intent: MangaIntent): DetailsViewModel
-	}
 }

app/src/main/java/org/koitharu/kotatsu/details/ui/MangaDetailsDelegate.kt

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.details.ui
 
+import androidx.lifecycle.SavedStateHandle
+import dagger.hilt.android.scopes.ViewModelScoped
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import org.koitharu.kotatsu.base.domain.MangaDataRepository
@@ -17,15 +19,17 @@ import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.runCatchingCancellable
+import javax.inject.Inject
 
-class MangaDetailsDelegate(
-	private val intent: MangaIntent,
+@ViewModelScoped
+class MangaDetailsDelegate @Inject constructor(
+	savedStateHandle: SavedStateHandle,
 	private val mangaDataRepository: MangaDataRepository,
 	private val historyRepository: HistoryRepository,
 	private val localMangaRepository: LocalMangaRepository,
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 ) {
-
+	private val intent = MangaIntent(savedStateHandle)
 	private val mangaData = MutableStateFlow(intent.manga)
 
 	val selectedBranch = MutableStateFlow<String?>(null)
@@ -49,7 +53,7 @@ class MangaDetailsDelegate(
 				val m = localMangaRepository.getRemoteManga(manga) ?: return@runCatchingCancellable null
 				mangaRepositoryFactory.create(m.source).getDetails(m)
 			} else {
-				localMangaRepository.findSavedManga(manga)
+				localMangaRepository.findSavedManga(manga)?.manga
 			}
 		}.onFailure { error ->
 			error.printStackTraceDebug()

app/src/main/java/org/koitharu/kotatsu/details/ui/adapter/BranchAD.kt

@@ -0,0 +1,39 @@
+package org.koitharu.kotatsu.details.ui.adapter
+
+import android.graphics.Color
+import android.text.Spannable
+import android.text.style.ForegroundColorSpan
+import android.text.style.RelativeSizeSpan
+import androidx.core.text.buildSpannedString
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.list.AdapterDelegateClickListenerAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.databinding.ItemCheckableNewBinding
+import org.koitharu.kotatsu.details.ui.model.MangaBranch
+import org.koitharu.kotatsu.utils.ext.getThemeColor
+
+fun branchAD(
+	clickListener: OnListItemClickListener<MangaBranch>,
+) = adapterDelegateViewBinding<MangaBranch, MangaBranch, ItemCheckableNewBinding>(
+	{ inflater, parent -> ItemCheckableNewBinding.inflate(inflater, parent, false) },
+) {
+
+	val clickAdapter = AdapterDelegateClickListenerAdapter(this, clickListener)
+	itemView.setOnClickListener(clickAdapter)
+	val counterColorSpan = ForegroundColorSpan(context.getThemeColor(android.R.attr.textColorSecondary, Color.LTGRAY))
+	val counterSizeSpan = RelativeSizeSpan(0.86f)
+
+	bind {
+		binding.root.text = buildSpannedString {
+			append(item.name ?: getString(R.string.system_default))
+			append(' ')
+			append(' ')
+			val start = length
+			append(item.count.toString())
+			setSpan(counterColorSpan, start, length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+			setSpan(counterSizeSpan, start, length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+		}
+		binding.root.isChecked = item.isSelected
+	}
+}

app/src/main/java/org/koitharu/kotatsu/details/ui/adapter/BranchesAdapter.kt

@@ -1,45 +1,16 @@
 package org.koitharu.kotatsu.details.ui.adapter
 
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.BaseAdapter
-import android.widget.TextView
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.parsers.util.replaceWith
+import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.details.ui.model.MangaBranch
 
-class BranchesAdapter : BaseAdapter() {
+class BranchesAdapter(
+	list: List<MangaBranch>,
+	listener: OnListItemClickListener<MangaBranch>,
+) : ListDelegationAdapter<List<MangaBranch>>() {
 
-	private val dataSet = ArrayList<String?>()
-
-	override fun getCount(): Int {
-		return dataSet.size
+	init {
+		delegatesManager.addDelegate(branchAD(listener))
+		items = list
 	}
-
-	override fun getItem(position: Int): Any? {
-		return dataSet[position]
-	}
-
-	override fun getItemId(position: Int): Long {
-		return dataSet[position].hashCode().toLong()
-	}
-
-	override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
-		val view = convertView ?: LayoutInflater.from(parent.context)
-			.inflate(R.layout.item_branch, parent, false)
-		(view as TextView).text = dataSet[position]
-		return view
-	}
-
-	override fun getDropDownView(position: Int, convertView: View?, parent: ViewGroup): View {
-		val view = convertView ?: LayoutInflater.from(parent.context)
-			.inflate(R.layout.item_branch_dropdown, parent, false)
-		(view as TextView).text = dataSet[position]
-		return view
-	}
-
-	fun setItems(items: Collection<String?>) {
-		dataSet.replaceWith(items)
-		notifyDataSetChanged()
-	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/details/ui/model/HistoryInfo.kt

@@ -36,8 +36,13 @@ class HistoryInfo(
 	}
 }
 
-fun HistoryInfo(manga: Manga?, history: MangaHistory?, isIncognitoMode: Boolean): HistoryInfo {
-	val chapters = manga?.chapters
+fun HistoryInfo(
+	manga: Manga?,
+	branch: String?,
+	history: MangaHistory?,
+	isIncognitoMode: Boolean
+): HistoryInfo {
+	val chapters = manga?.getChapters(branch)
 	return HistoryInfo(
 		totalChapters = chapters?.size ?: -1,
 		currentChapter = if (history != null && !chapters.isNullOrEmpty()) {

app/src/main/java/org/koitharu/kotatsu/details/ui/model/MangaBranch.kt

@@ -0,0 +1,32 @@
+package org.koitharu.kotatsu.details.ui.model
+
+import org.koitharu.kotatsu.list.ui.model.ListModel
+
+class MangaBranch(
+	val name: String?,
+	val count: Int,
+	val isSelected: Boolean,
+) : ListModel {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as MangaBranch
+
+		if (name != other.name) return false
+		if (count != other.count) return false
+		return isSelected == other.isSelected
+	}
+
+	override fun hashCode(): Int {
+		var result = name.hashCode()
+		result = 31 * result + count
+		result = 31 * result + isSelected.hashCode()
+		return result
+	}
+
+	override fun toString(): String {
+		return "$name: $count"
+	}
+}

app/src/main/java/org/koitharu/kotatsu/details/ui/scrobbling/ScrobblingInfoAD.kt

@@ -23,11 +23,10 @@ fun scrobblingInfoAD(
 	}
 
 	bind {
-		binding.imageViewCover.newImageRequest(item.coverUrl /* TODO */, null)?.run {
+		binding.imageViewCover.newImageRequest(lifecycleOwner, item.coverUrl)?.run {
 			placeholder(R.drawable.ic_placeholder)
 			fallback(R.drawable.ic_placeholder)
 			error(R.drawable.ic_error_placeholder)
-			lifecycle(lifecycleOwner)
 			enqueueWith(coil)
 		}
 		binding.textViewTitle.text = item.title

app/src/main/java/org/koitharu/kotatsu/details/ui/scrobbling/ScrobblingInfoBottomSheet.kt

@@ -123,8 +123,7 @@ class ScrobblingInfoBottomSheet :
 		binding.spinnerStatus.setSelection(scrobbling.status?.ordinal ?: -1)
 		binding.imageViewLogo.contentDescription = getString(scrobbling.scrobbler.titleResId)
 		binding.imageViewLogo.setImageResource(scrobbling.scrobbler.iconResId)
-		binding.imageViewCover.newImageRequest(scrobbling.coverUrl)?.apply {
-			lifecycle(viewLifecycleOwner)
+		binding.imageViewCover.newImageRequest(viewLifecycleOwner, scrobbling.coverUrl)?.apply {
 			placeholder(R.drawable.ic_placeholder)
 			fallback(R.drawable.ic_placeholder)
 			error(R.drawable.ic_error_placeholder)

app/src/main/java/org/koitharu/kotatsu/download/domain/DownloadManager.kt

@@ -1,271 +0,0 @@
-package org.koitharu.kotatsu.download.domain
-
-import android.content.Context
-import android.webkit.MimeTypeMap
-import coil.ImageLoader
-import coil.request.ImageRequest
-import coil.size.Scale
-import dagger.assisted.Assisted
-import dagger.assisted.AssistedFactory
-import dagger.assisted.AssistedInject
-import dagger.hilt.android.qualifiers.ApplicationContext
-import kotlinx.coroutines.CancellationException
-import kotlinx.coroutines.CoroutineExceptionHandler
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.sync.Semaphore
-import kotlinx.coroutines.sync.withPermit
-import kotlinx.coroutines.withContext
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import okhttp3.internal.closeQuietly
-import okio.IOException
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.network.CommonHeaders
-import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.download.ui.service.PausingHandle
-import org.koitharu.kotatsu.local.data.PagesCache
-import org.koitharu.kotatsu.local.domain.CbzMangaOutput
-import org.koitharu.kotatsu.local.domain.LocalMangaRepository
-import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.await
-import org.koitharu.kotatsu.utils.ext.copyToSuspending
-import org.koitharu.kotatsu.utils.ext.deleteAwait
-import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
-import org.koitharu.kotatsu.utils.ext.runCatchingCancellable
-import org.koitharu.kotatsu.utils.progress.PausingProgressJob
-import java.io.File
-
-private const val MAX_FAILSAFE_ATTEMPTS = 2
-private const val DOWNLOAD_ERROR_DELAY = 500L
-private const val SLOWDOWN_DELAY = 200L
-
-class DownloadManager @AssistedInject constructor(
-	@Assisted private val coroutineScope: CoroutineScope,
-	@ApplicationContext private val context: Context,
-	private val imageLoader: ImageLoader,
-	private val okHttp: OkHttpClient,
-	private val cache: PagesCache,
-	private val localMangaRepository: LocalMangaRepository,
-	private val settings: AppSettings,
-	private val mangaRepositoryFactory: MangaRepository.Factory,
-) {
-
-	private val coverWidth = context.resources.getDimensionPixelSize(
-		androidx.core.R.dimen.compat_notification_large_icon_max_width,
-	)
-	private val coverHeight = context.resources.getDimensionPixelSize(
-		androidx.core.R.dimen.compat_notification_large_icon_max_height,
-	)
-	private val semaphore = Semaphore(settings.downloadsParallelism)
-
-	fun downloadManga(
-		manga: Manga,
-		chaptersIds: LongArray?,
-		startId: Int,
-	): PausingProgressJob<DownloadState> {
-		val stateFlow = MutableStateFlow<DownloadState>(
-			DownloadState.Queued(startId = startId, manga = manga, cover = null),
-		)
-		val pausingHandle = PausingHandle()
-		val job = coroutineScope.launch(Dispatchers.Default + errorStateHandler(stateFlow)) {
-			try {
-				downloadMangaImpl(manga, chaptersIds?.takeUnless { it.isEmpty() }, stateFlow, pausingHandle, startId)
-			} catch (e: CancellationException) { // handle cancellation if not handled already
-				val state = stateFlow.value
-				if (state !is DownloadState.Cancelled) {
-					stateFlow.value = DownloadState.Cancelled(startId, state.manga, state.cover)
-				}
-				throw e
-			}
-		}
-		return PausingProgressJob(job, stateFlow, pausingHandle)
-	}
-
-	private suspend fun downloadMangaImpl(
-		manga: Manga,
-		chaptersIds: LongArray?,
-		outState: MutableStateFlow<DownloadState>,
-		pausingHandle: PausingHandle,
-		startId: Int,
-	) {
-		@Suppress("NAME_SHADOWING")
-		var manga = manga
-		val chaptersIdsSet = chaptersIds?.toMutableSet()
-		val cover = loadCover(manga)
-		outState.value = DownloadState.Queued(startId, manga, cover)
-		withMangaLock(manga) {
-			semaphore.withPermit {
-				outState.value = DownloadState.Preparing(startId, manga, null)
-				val destination = localMangaRepository.getOutputDir()
-				checkNotNull(destination) { context.getString(R.string.cannot_find_available_storage) }
-				val tempFileName = "${manga.id}_$startId.tmp"
-				var output: CbzMangaOutput? = null
-				try {
-					if (manga.source == MangaSource.LOCAL) {
-						manga = localMangaRepository.getRemoteManga(manga)
-							?: error("Cannot obtain remote manga instance")
-					}
-					val repo = mangaRepositoryFactory.create(manga.source)
-					outState.value = DownloadState.Preparing(startId, manga, cover)
-					val data = if (manga.chapters.isNullOrEmpty()) repo.getDetails(manga) else manga
-					output = CbzMangaOutput.get(destination, data)
-					val coverUrl = data.largeCoverUrl ?: data.coverUrl
-					downloadFile(coverUrl, data.publicUrl, destination, tempFileName, repo.source).let { file ->
-						output.addCover(file, MimeTypeMap.getFileExtensionFromUrl(coverUrl))
-					}
-					val chapters = checkNotNull(
-						if (chaptersIdsSet == null) {
-							data.chapters
-						} else {
-							data.chapters?.filter { x -> chaptersIdsSet.remove(x.id) }
-						},
-					) { "Chapters list must not be null" }
-					check(chapters.isNotEmpty()) { "Chapters list must not be empty" }
-					check(chaptersIdsSet.isNullOrEmpty()) {
-						"${chaptersIdsSet?.size} of ${chaptersIds?.size} requested chapters not found in manga"
-					}
-					for ((chapterIndex, chapter) in chapters.withIndex()) {
-						val pages = runFailsafe(outState, pausingHandle) {
-							repo.getPages(chapter)
-						}
-						for ((pageIndex, page) in pages.withIndex()) {
-							runFailsafe(outState, pausingHandle) {
-								val url = repo.getPageUrl(page)
-								val file = cache[url]
-									?: downloadFile(url, page.referer, destination, tempFileName, repo.source)
-								output.addPage(
-									chapter = chapter,
-									file = file,
-									pageNumber = pageIndex,
-									ext = MimeTypeMap.getFileExtensionFromUrl(url),
-								)
-							}
-							outState.value = DownloadState.Progress(
-								startId = startId,
-								manga = data,
-								cover = cover,
-								totalChapters = chapters.size,
-								currentChapter = chapterIndex,
-								totalPages = pages.size,
-								currentPage = pageIndex,
-							)
-
-							if (settings.isDownloadsSlowdownEnabled) {
-								delay(SLOWDOWN_DELAY)
-							}
-						}
-					}
-					outState.value = DownloadState.PostProcessing(startId, data, cover)
-					output.mergeWithExisting()
-					output.finish()
-					val localManga = localMangaRepository.getFromFile(output.file)
-					outState.value = DownloadState.Done(startId, data, cover, localManga)
-				} catch (e: CancellationException) {
-					outState.value = DownloadState.Cancelled(startId, manga, cover)
-					throw e
-				} catch (e: Throwable) {
-					e.printStackTraceDebug()
-					outState.value = DownloadState.Error(startId, manga, cover, e, false)
-				} finally {
-					withContext(NonCancellable) {
-						output?.closeQuietly()
-						output?.cleanup()
-						File(destination, tempFileName).deleteAwait()
-					}
-				}
-			}
-		}
-	}
-
-	private suspend fun <R> runFailsafe(
-		outState: MutableStateFlow<DownloadState>,
-		pausingHandle: PausingHandle,
-		block: suspend () -> R,
-	): R {
-		var countDown = MAX_FAILSAFE_ATTEMPTS
-		failsafe@ while (true) {
-			try {
-				return block()
-			} catch (e: IOException) {
-				if (countDown <= 0) {
-					val state = outState.value
-					outState.value = DownloadState.Error(state.startId, state.manga, state.cover, e, true)
-					countDown = MAX_FAILSAFE_ATTEMPTS
-					pausingHandle.pause()
-					pausingHandle.awaitResumed()
-					outState.value = state
-				} else {
-					countDown--
-					delay(DOWNLOAD_ERROR_DELAY)
-				}
-			}
-		}
-	}
-
-	private suspend fun downloadFile(
-		url: String,
-		referer: String,
-		destination: File,
-		tempFileName: String,
-		source: MangaSource,
-	): File {
-		val request = Request.Builder()
-			.url(url)
-			.header(CommonHeaders.REFERER, referer)
-			.tag(MangaSource::class.java, source)
-			.cacheControl(CommonHeaders.CACHE_CONTROL_DISABLED)
-			.get()
-			.build()
-		val call = okHttp.newCall(request)
-		val file = File(destination, tempFileName)
-		val response = call.clone().await()
-		file.outputStream().use { out ->
-			checkNotNull(response.body).byteStream().copyToSuspending(out)
-		}
-		return file
-	}
-
-	private fun errorStateHandler(outState: MutableStateFlow<DownloadState>) =
-		CoroutineExceptionHandler { _, throwable ->
-			throwable.printStackTraceDebug()
-			val prevValue = outState.value
-			outState.value = DownloadState.Error(
-				startId = prevValue.startId,
-				manga = prevValue.manga,
-				cover = prevValue.cover,
-				error = throwable,
-				canRetry = false,
-			)
-		}
-
-	private suspend fun loadCover(manga: Manga) = runCatchingCancellable {
-		imageLoader.execute(
-			ImageRequest.Builder(context)
-				.data(manga.coverUrl)
-				.tag(manga.source)
-				.size(coverWidth, coverHeight)
-				.scale(Scale.FILL)
-				.build(),
-		).drawable
-	}.getOrNull()
-
-	private suspend inline fun <T> withMangaLock(manga: Manga, block: () -> T) = try {
-		localMangaRepository.lockManga(manga.id)
-		block()
-	} finally {
-		localMangaRepository.unlockManga(manga.id)
-	}
-
-	@AssistedFactory
-	interface Factory {
-
-		fun create(coroutineScope: CoroutineScope): DownloadManager
-	}
-}

app/src/main/java/org/koitharu/kotatsu/download/domain/DownloadState.kt

@@ -1,234 +1,123 @@
 package org.koitharu.kotatsu.download.domain
 
-import android.graphics.drawable.Drawable
+import androidx.work.Data
+import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
+import org.koitharu.kotatsu.local.data.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.Date
 
-sealed interface DownloadState {
+data class DownloadState(
+	val manga: Manga,
+	val isIndeterminate: Boolean,
+	val isPaused: Boolean = false,
+	val isStopped: Boolean = false,
+	val error: String? = null,
+	val totalChapters: Int = 0,
+	val currentChapter: Int = 0,
+	val totalPages: Int = 0,
+	val currentPage: Int = 0,
+	val eta: Long = -1L,
+	val localManga: LocalManga? = null,
+	val downloadedChapters: LongArray = LongArray(0),
+	val timestamp: Long = System.currentTimeMillis(),
+) {
 
-	val startId: Int
-	val manga: Manga
-	val cover: Drawable?
+	val max: Int = totalChapters * totalPages
 
-	override fun equals(other: Any?): Boolean
+	val progress: Int = totalPages * currentChapter + currentPage + 1
 
-	override fun hashCode(): Int
+	val percent: Float = if (max > 0) progress.toFloat() / max else PROGRESS_NONE
 
-	val isTerminal: Boolean
-		get() = this is Done || this is Cancelled || (this is Error && !canRetry)
+	val isFinalState: Boolean
+		get() = localManga != null || (error != null && !isPaused)
 
-	class Queued(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-	) : DownloadState {
+	val isParticularProgress: Boolean
+		get() = localManga == null && error == null && !isPaused && !isStopped && max > 0 && !isIndeterminate
 
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
+	fun toWorkData() = Data.Builder()
+		.putLong(DATA_MANGA_ID, manga.id)
+		.putInt(DATA_MAX, max)
+		.putInt(DATA_PROGRESS, progress)
+		.putLong(DATA_ETA, eta)
+		.putLong(DATA_TIMESTAMP, timestamp)
+		.putString(DATA_ERROR, error)
+		.putLongArray(DATA_CHAPTERS, downloadedChapters)
+		.putBoolean(DATA_INDETERMINATE, isIndeterminate)
+		.putBoolean(DATA_PAUSED, isPaused)
+		.build()
 
-			other as Queued
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
 
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
+		other as DownloadState
 
-			return true
-		}
-
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			return result
-		}
+		if (manga != other.manga) return false
+		if (isIndeterminate != other.isIndeterminate) return false
+		if (isPaused != other.isPaused) return false
+		if (isStopped != other.isStopped) return false
+		if (error != other.error) return false
+		if (totalChapters != other.totalChapters) return false
+		if (currentChapter != other.currentChapter) return false
+		if (totalPages != other.totalPages) return false
+		if (currentPage != other.currentPage) return false
+		if (eta != other.eta) return false
+		if (localManga != other.localManga) return false
+		if (!downloadedChapters.contentEquals(other.downloadedChapters)) return false
+		if (timestamp != other.timestamp) return false
+		if (max != other.max) return false
+		if (progress != other.progress) return false
+		return percent == other.percent
 	}
 
-	class Preparing(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-	) : DownloadState {
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Preparing
-
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
-
-			return true
-		}
-
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			return result
-		}
+	override fun hashCode(): Int {
+		var result = manga.hashCode()
+		result = 31 * result + isIndeterminate.hashCode()
+		result = 31 * result + isPaused.hashCode()
+		result = 31 * result + isStopped.hashCode()
+		result = 31 * result + (error?.hashCode() ?: 0)
+		result = 31 * result + totalChapters
+		result = 31 * result + currentChapter
+		result = 31 * result + totalPages
+		result = 31 * result + currentPage
+		result = 31 * result + eta.hashCode()
+		result = 31 * result + (localManga?.hashCode() ?: 0)
+		result = 31 * result + downloadedChapters.contentHashCode()
+		result = 31 * result + timestamp.hashCode()
+		result = 31 * result + max
+		result = 31 * result + progress
+		result = 31 * result + percent.hashCode()
+		return result
 	}
 
-	class Progress(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-		val totalChapters: Int,
-		val currentChapter: Int,
-		val totalPages: Int,
-		val currentPage: Int,
-	) : DownloadState {
+	companion object {
 
-		val max: Int = totalChapters * totalPages
+		private const val DATA_MANGA_ID = "manga_id"
+		private const val DATA_MAX = "max"
+		private const val DATA_PROGRESS = "progress"
+		private const val DATA_CHAPTERS = "chapter"
+		private const val DATA_ETA = "eta"
+		private const val DATA_TIMESTAMP = "timestamp"
+		private const val DATA_ERROR = "error"
+		private const val DATA_INDETERMINATE = "indeterminate"
+		private const val DATA_PAUSED = "paused"
 
-		val progress: Int = totalPages * currentChapter + currentPage + 1
+		fun getMangaId(data: Data): Long = data.getLong(DATA_MANGA_ID, 0L)
 
-		val percent: Float = progress.toFloat() / max
+		fun isIndeterminate(data: Data): Boolean = data.getBoolean(DATA_INDETERMINATE, false)
 
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
+		fun isPaused(data: Data): Boolean = data.getBoolean(DATA_PAUSED, false)
 
-			other as Progress
+		fun getMax(data: Data): Int = data.getInt(DATA_MAX, 0)
 
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
-			if (totalChapters != other.totalChapters) return false
-			if (currentChapter != other.currentChapter) return false
-			if (totalPages != other.totalPages) return false
-			if (currentPage != other.currentPage) return false
+		fun getError(data: Data): String? = data.getString(DATA_ERROR)
 
-			return true
-		}
+		fun getProgress(data: Data): Int = data.getInt(DATA_PROGRESS, 0)
 
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			result = 31 * result + totalChapters
-			result = 31 * result + currentChapter
-			result = 31 * result + totalPages
-			result = 31 * result + currentPage
-			return result
-		}
-	}
+		fun getEta(data: Data): Long = data.getLong(DATA_ETA, -1L)
 
-	class Done(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-		val localManga: Manga,
-	) : DownloadState {
+		fun getTimestamp(data: Data): Date = Date(data.getLong(DATA_TIMESTAMP, 0L))
 
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Done
-
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
-			if (localManga != other.localManga) return false
-
-			return true
-		}
-
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			result = 31 * result + localManga.hashCode()
-			return result
-		}
-	}
-
-	class Error(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-		val error: Throwable,
-		val canRetry: Boolean,
-	) : DownloadState {
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Error
-
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
-			if (error != other.error) return false
-			if (canRetry != other.canRetry) return false
-
-			return true
-		}
-
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			result = 31 * result + error.hashCode()
-			result = 31 * result + canRetry.hashCode()
-			return result
-		}
-	}
-
-	class Cancelled(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-	) : DownloadState {
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Cancelled
-
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
-
-			return true
-		}
-
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			return result
-		}
-	}
-
-	class PostProcessing(
-		override val startId: Int,
-		override val manga: Manga,
-		override val cover: Drawable?,
-	) : DownloadState {
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as PostProcessing
-
-			if (startId != other.startId) return false
-			if (manga != other.manga) return false
-			if (cover != other.cover) return false
-
-			return true
-		}
-
-		override fun hashCode(): Int {
-			var result = startId
-			result = 31 * result + manga.hashCode()
-			result = 31 * result + (cover?.hashCode() ?: 0)
-			return result
-		}
+		fun getDownloadedChapters(data: Data): LongArray = data.getLongArray(DATA_CHAPTERS) ?: LongArray(0)
 	}
 }

app/src/main/java/org/koitharu/kotatsu/download/ui/DownloadItemAD.kt

@@ -1,137 +0,0 @@
-package org.koitharu.kotatsu.download.ui
-
-import android.view.View
-import androidx.core.view.isVisible
-import coil.ImageLoader
-import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.databinding.ItemDownloadBinding
-import org.koitharu.kotatsu.details.ui.DetailsActivity
-import org.koitharu.kotatsu.download.domain.DownloadState
-import org.koitharu.kotatsu.parsers.util.format
-import org.koitharu.kotatsu.utils.ext.enqueueWith
-import org.koitharu.kotatsu.utils.ext.getDisplayMessage
-import org.koitharu.kotatsu.utils.ext.newImageRequest
-import org.koitharu.kotatsu.utils.ext.onFirst
-
-fun downloadItemAD(
-	scope: CoroutineScope,
-	coil: ImageLoader,
-) = adapterDelegateViewBinding<DownloadItem, DownloadItem, ItemDownloadBinding>(
-	{ inflater, parent -> ItemDownloadBinding.inflate(inflater, parent, false) },
-) {
-	var job: Job? = null
-	val percentPattern = context.resources.getString(R.string.percent_string_pattern)
-
-	val clickListener = View.OnClickListener { v ->
-		when (v.id) {
-			R.id.button_cancel -> item.cancel()
-			R.id.button_resume -> item.resume()
-			else -> context.startActivity(
-				DetailsActivity.newIntent(context, item.progressValue.manga),
-			)
-		}
-	}
-	binding.buttonCancel.setOnClickListener(clickListener)
-	binding.buttonResume.setOnClickListener(clickListener)
-	itemView.setOnClickListener(clickListener)
-
-	bind {
-		job?.cancel()
-		job = item.progressAsFlow().onFirst { state ->
-			binding.imageViewCover.newImageRequest(state.manga.coverUrl, state.manga.source)?.run {
-				placeholder(state.cover)
-				fallback(R.drawable.ic_placeholder)
-				error(R.drawable.ic_error_placeholder)
-				allowRgb565(true)
-				enqueueWith(coil)
-			}
-		}.onEach { state ->
-			binding.textViewTitle.text = state.manga.title
-			when (state) {
-				is DownloadState.Cancelled -> {
-					binding.textViewStatus.setText(R.string.cancelling_)
-					binding.progressBar.isIndeterminate = true
-					binding.progressBar.isVisible = true
-					binding.textViewPercent.isVisible = false
-					binding.textViewDetails.isVisible = false
-					binding.buttonCancel.isVisible = false
-					binding.buttonResume.isVisible = false
-				}
-
-				is DownloadState.Done -> {
-					binding.textViewStatus.setText(R.string.download_complete)
-					binding.progressBar.isIndeterminate = false
-					binding.progressBar.isVisible = false
-					binding.textViewPercent.isVisible = false
-					binding.textViewDetails.isVisible = false
-					binding.buttonCancel.isVisible = false
-					binding.buttonResume.isVisible = false
-				}
-
-				is DownloadState.Error -> {
-					binding.textViewStatus.setText(R.string.error_occurred)
-					binding.progressBar.isIndeterminate = false
-					binding.progressBar.isVisible = false
-					binding.textViewPercent.isVisible = false
-					binding.textViewDetails.text = state.error.getDisplayMessage(context.resources)
-					binding.textViewDetails.isVisible = true
-					binding.buttonCancel.isVisible = state.canRetry
-					binding.buttonResume.isVisible = state.canRetry
-				}
-
-				is DownloadState.PostProcessing -> {
-					binding.textViewStatus.setText(R.string.processing_)
-					binding.progressBar.isIndeterminate = true
-					binding.progressBar.isVisible = true
-					binding.textViewPercent.isVisible = false
-					binding.textViewDetails.isVisible = false
-					binding.buttonCancel.isVisible = false
-					binding.buttonResume.isVisible = false
-				}
-
-				is DownloadState.Preparing -> {
-					binding.textViewStatus.setText(R.string.preparing_)
-					binding.progressBar.isIndeterminate = true
-					binding.progressBar.isVisible = true
-					binding.textViewPercent.isVisible = false
-					binding.textViewDetails.isVisible = false
-					binding.buttonCancel.isVisible = true
-					binding.buttonResume.isVisible = false
-				}
-
-				is DownloadState.Progress -> {
-					binding.textViewStatus.setText(R.string.manga_downloading_)
-					binding.progressBar.isIndeterminate = false
-					binding.progressBar.isVisible = true
-					binding.progressBar.max = state.max
-					binding.progressBar.setProgressCompat(state.progress, true)
-					binding.textViewPercent.text = percentPattern.format((state.percent * 100f).format(1))
-					binding.textViewPercent.isVisible = true
-					binding.textViewDetails.isVisible = false
-					binding.buttonCancel.isVisible = true
-					binding.buttonResume.isVisible = false
-				}
-
-				is DownloadState.Queued -> {
-					binding.textViewStatus.setText(R.string.queued)
-					binding.progressBar.isIndeterminate = false
-					binding.progressBar.isVisible = false
-					binding.textViewPercent.isVisible = false
-					binding.textViewDetails.isVisible = false
-					binding.buttonCancel.isVisible = true
-					binding.buttonResume.isVisible = false
-				}
-			}
-		}.launchIn(scope)
-	}
-
-	onViewRecycled {
-		job?.cancel()
-		job = null
-	}
-}

app/src/main/java/org/koitharu/kotatsu/download/ui/DownloadsActivity.kt

@@ -1,59 +0,0 @@
-package org.koitharu.kotatsu.download.ui
-
-import android.content.Context
-import android.content.Intent
-import android.os.Bundle
-import androidx.core.graphics.Insets
-import androidx.core.view.isVisible
-import androidx.core.view.updatePadding
-import androidx.lifecycle.lifecycleScope
-import coil.ImageLoader
-import dagger.hilt.android.AndroidEntryPoint
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.base.ui.BaseActivity
-import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
-import org.koitharu.kotatsu.databinding.ActivityDownloadsBinding
-import javax.inject.Inject
-
-@AndroidEntryPoint
-class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>() {
-
-	@Inject
-	lateinit var coil: ImageLoader
-
-	private lateinit var serviceConnection: DownloadsConnection
-
-	override fun onCreate(savedInstanceState: Bundle?) {
-		super.onCreate(savedInstanceState)
-		setContentView(ActivityDownloadsBinding.inflate(layoutInflater))
-		supportActionBar?.setDisplayHomeAsUpEnabled(true)
-		val adapter = DownloadsAdapter(lifecycleScope, coil)
-		val spacing = resources.getDimensionPixelOffset(R.dimen.list_spacing)
-		binding.recyclerView.addItemDecoration(SpacingItemDecoration(spacing))
-		binding.recyclerView.setHasFixedSize(true)
-		binding.recyclerView.adapter = adapter
-		serviceConnection = DownloadsConnection(this, this)
-		serviceConnection.items.observe(this) { items ->
-			adapter.items = items
-			binding.textViewHolder.isVisible = items.isNullOrEmpty()
-		}
-		serviceConnection.bind()
-	}
-
-	override fun onWindowInsetsChanged(insets: Insets) {
-		binding.recyclerView.updatePadding(
-			left = insets.left,
-			right = insets.right,
-			bottom = insets.bottom,
-		)
-		binding.toolbar.updatePadding(
-			left = insets.left,
-			right = insets.right,
-		)
-	}
-
-	companion object {
-
-		fun newIntent(context: Context) = Intent(context, DownloadsActivity::class.java)
-	}
-}

app/src/main/java/org/koitharu/kotatsu/download/ui/DownloadsAdapter.kt

@@ -1,46 +0,0 @@
-package org.koitharu.kotatsu.download.ui
-
-import androidx.recyclerview.widget.DiffUtil
-import coil.ImageLoader
-import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
-import kotlinx.coroutines.CoroutineScope
-import org.koitharu.kotatsu.download.domain.DownloadState
-import org.koitharu.kotatsu.utils.progress.PausingProgressJob
-
-typealias DownloadItem = PausingProgressJob<DownloadState>
-
-class DownloadsAdapter(
-	scope: CoroutineScope,
-	coil: ImageLoader,
-) : AsyncListDifferDelegationAdapter<DownloadItem>(DiffCallback()) {
-
-	init {
-		delegatesManager.addDelegate(downloadItemAD(scope, coil))
-		setHasStableIds(true)
-	}
-
-	override fun getItemId(position: Int): Long {
-		return items[position].progressValue.startId.toLong()
-	}
-
-	private class DiffCallback : DiffUtil.ItemCallback<DownloadItem>() {
-
-		override fun areItemsTheSame(
-			oldItem: DownloadItem,
-			newItem: DownloadItem,
-		): Boolean {
-			return oldItem.progressValue.startId == newItem.progressValue.startId
-		}
-
-		override fun areContentsTheSame(
-			oldItem: DownloadItem,
-			newItem: DownloadItem,
-		): Boolean {
-			return oldItem.progressValue == newItem.progressValue && oldItem.isPaused == newItem.isPaused
-		}
-
-		override fun getChangePayload(oldItem: DownloadItem, newItem: DownloadItem): Any {
-			return Unit
-		}
-	}
-}

app/src/main/java/org/koitharu/kotatsu/download/ui/DownloadsConnection.kt

@@ -1,76 +0,0 @@
-package org.koitharu.kotatsu.download.ui
-
-import android.content.ComponentName
-import android.content.Context
-import android.content.Intent
-import android.content.ServiceConnection
-import android.os.IBinder
-import androidx.lifecycle.DefaultLifecycleObserver
-import androidx.lifecycle.LifecycleOwner
-import androidx.lifecycle.lifecycleScope
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.launch
-import org.koitharu.kotatsu.download.domain.DownloadState
-import org.koitharu.kotatsu.download.ui.service.DownloadService
-import org.koitharu.kotatsu.utils.asFlowLiveData
-import org.koitharu.kotatsu.utils.progress.PausingProgressJob
-
-class DownloadsConnection(
-	private val context: Context,
-	private val lifecycleOwner: LifecycleOwner,
-) : ServiceConnection {
-
-	private var bindingObserver: BindingLifecycleObserver? = null
-	private var collectJob: Job? = null
-	private val itemsFlow = MutableStateFlow<List<PausingProgressJob<DownloadState>>>(emptyList())
-
-	val items
-		get() = itemsFlow.asFlowLiveData()
-
-	override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
-		collectJob?.cancel()
-		val binder = (service as? DownloadService.DownloadBinder)
-		collectJob = if (binder == null) {
-			null
-		} else {
-			lifecycleOwner.lifecycleScope.launch {
-				binder.downloads.collect {
-					itemsFlow.value = it
-				}
-			}
-		}
-	}
-
-	override fun onServiceDisconnected(name: ComponentName?) {
-		collectJob?.cancel()
-		collectJob = null
-		itemsFlow.value = itemsFlow.value.filter { it.progressValue.isTerminal }
-	}
-
-	fun bind() {
-		if (bindingObserver != null) {
-			return
-		}
-		bindingObserver = BindingLifecycleObserver().also {
-			lifecycleOwner.lifecycle.addObserver(it)
-		}
-		context.bindService(Intent(context, DownloadService::class.java), this, 0)
-	}
-
-	fun unbind() {
-		bindingObserver?.let {
-			lifecycleOwner.lifecycle.removeObserver(it)
-		}
-		bindingObserver = null
-		context.unbindService(this)
-	}
-
-	private inner class BindingLifecycleObserver : DefaultLifecycleObserver {
-
-		override fun onDestroy(owner: LifecycleOwner) {
-			super.onDestroy(owner)
-			unbind()
-		}
-	}
-}

app/src/main/java/org/koitharu/kotatsu/download/ui/list/DownloadItemAD.kt

@@ -0,0 +1,140 @@
+package org.koitharu.kotatsu.download.ui.list
+
+import android.view.View
+import androidx.core.view.isVisible
+import androidx.lifecycle.LifecycleOwner
+import androidx.work.WorkInfo
+import coil.ImageLoader
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.databinding.ItemDownloadBinding
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.parsers.util.format
+import org.koitharu.kotatsu.utils.ext.disposeImageRequest
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.newImageRequest
+import org.koitharu.kotatsu.utils.ext.source
+import org.koitharu.kotatsu.utils.ext.textAndVisible
+
+fun downloadItemAD(
+	lifecycleOwner: LifecycleOwner,
+	coil: ImageLoader,
+	listener: DownloadItemListener,
+) = adapterDelegateViewBinding<DownloadItemModel, ListModel, ItemDownloadBinding>(
+	{ inflater, parent -> ItemDownloadBinding.inflate(inflater, parent, false) },
+) {
+
+	val percentPattern = context.resources.getString(R.string.percent_string_pattern)
+
+	val clickListener = object : View.OnClickListener, View.OnLongClickListener {
+		override fun onClick(v: View) {
+			when (v.id) {
+				R.id.button_cancel -> listener.onCancelClick(item)
+				R.id.button_resume -> listener.onResumeClick(item)
+				R.id.button_pause -> listener.onPauseClick(item)
+				else -> listener.onItemClick(item, v)
+			}
+		}
+
+		override fun onLongClick(v: View): Boolean {
+			return listener.onItemLongClick(item, v)
+		}
+	}
+	binding.buttonCancel.setOnClickListener(clickListener)
+	binding.buttonPause.setOnClickListener(clickListener)
+	binding.buttonResume.setOnClickListener(clickListener)
+	itemView.setOnClickListener(clickListener)
+	itemView.setOnLongClickListener(clickListener)
+
+	bind { payloads ->
+		binding.textViewTitle.text = item.manga.title
+		binding.imageViewCover.newImageRequest(lifecycleOwner, item.manga.coverUrl)?.apply {
+			placeholder(R.drawable.ic_placeholder)
+			fallback(R.drawable.ic_placeholder)
+			error(R.drawable.ic_error_placeholder)
+			allowRgb565(true)
+			source(item.manga.source)
+			enqueueWith(coil)
+		}
+		when (item.workState) {
+			WorkInfo.State.ENQUEUED,
+			WorkInfo.State.BLOCKED -> {
+				binding.textViewStatus.setText(R.string.queued)
+				binding.progressBar.isIndeterminate = false
+				binding.progressBar.isVisible = false
+				binding.progressBar.isEnabled = true
+				binding.textViewPercent.isVisible = false
+				binding.textViewDetails.isVisible = false
+				binding.buttonCancel.isVisible = true
+				binding.buttonResume.isVisible = false
+				binding.buttonPause.isVisible = false
+			}
+
+			WorkInfo.State.RUNNING -> {
+				binding.textViewStatus.setText(
+					if (item.isPaused) R.string.paused else R.string.manga_downloading_,
+				)
+				binding.progressBar.isIndeterminate = item.isIndeterminate
+				binding.progressBar.isVisible = true
+				binding.progressBar.max = item.max
+				binding.progressBar.isEnabled = !item.isPaused
+				binding.progressBar.setProgressCompat(item.progress, payloads.isNotEmpty())
+				binding.textViewPercent.text = percentPattern.format((item.percent * 100f).format(1))
+				binding.textViewPercent.isVisible = true
+				binding.textViewDetails.textAndVisible = item.getEtaString()
+				binding.buttonCancel.isVisible = true
+				binding.buttonResume.isVisible = item.isPaused
+				binding.buttonPause.isVisible = item.canPause
+			}
+
+			WorkInfo.State.SUCCEEDED -> {
+				binding.textViewStatus.setText(R.string.download_complete)
+				binding.progressBar.isIndeterminate = false
+				binding.progressBar.isVisible = false
+				binding.progressBar.isEnabled = true
+				binding.textViewPercent.isVisible = false
+				if (item.totalChapters > 0) {
+					binding.textViewDetails.text = context.resources.getQuantityString(
+						R.plurals.chapters,
+						item.totalChapters,
+						item.totalChapters,
+					)
+					binding.textViewDetails.isVisible = true
+				} else {
+					binding.textViewDetails.isVisible = false
+				}
+				binding.buttonCancel.isVisible = false
+				binding.buttonResume.isVisible = false
+				binding.buttonPause.isVisible = false
+			}
+
+			WorkInfo.State.FAILED -> {
+				binding.textViewStatus.setText(R.string.error_occurred)
+				binding.progressBar.isIndeterminate = false
+				binding.progressBar.isVisible = false
+				binding.progressBar.isEnabled = true
+				binding.textViewPercent.isVisible = false
+				binding.textViewDetails.textAndVisible = item.error
+				binding.buttonCancel.isVisible = false
+				binding.buttonResume.isVisible = false
+				binding.buttonPause.isVisible = false
+			}
+
+			WorkInfo.State.CANCELLED -> {
+				binding.textViewStatus.setText(R.string.canceled)
+				binding.progressBar.isIndeterminate = false
+				binding.progressBar.isVisible = false
+				binding.progressBar.isEnabled = true
+				binding.textViewPercent.isVisible = false
+				binding.textViewDetails.isVisible = false
+				binding.buttonCancel.isVisible = false
+				binding.buttonResume.isVisible = false
+				binding.buttonPause.isVisible = false
+			}
+		}
+	}
+
+	onViewRecycled {
+		binding.imageViewCover.disposeImageRequest()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/download/ui/list/DownloadItemListener.kt

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.download.ui.list
+
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+
+interface DownloadItemListener : OnListItemClickListener<DownloadItemModel> {
+
+	fun onCancelClick(item: DownloadItemModel)
+
+	fun onPauseClick(item: DownloadItemModel)
+
+	fun onResumeClick(item: DownloadItemModel)
+}

app/src/main/java/org/koitharu/kotatsu/download/ui/list/DownloadItemModel.kt

@@ -0,0 +1,83 @@
+package org.koitharu.kotatsu.download.ui.list
+
+import android.text.format.DateUtils
+import androidx.work.WorkInfo
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.Date
+import java.util.UUID
+
+class DownloadItemModel(
+	val id: UUID,
+	val workState: WorkInfo.State,
+	val isIndeterminate: Boolean,
+	val isPaused: Boolean,
+	val manga: Manga,
+	val error: String?,
+	val max: Int,
+	val totalChapters: Int,
+	val progress: Int,
+	val eta: Long,
+	val timestamp: Date,
+) : ListModel, Comparable<DownloadItemModel> {
+
+	val percent: Float
+		get() = if (max > 0) progress / max.toFloat() else 0f
+
+	val hasEta: Boolean
+		get() = workState == WorkInfo.State.RUNNING && !isPaused && eta > 0L
+
+	val canPause: Boolean
+		get() = workState == WorkInfo.State.RUNNING && !isPaused && error == null
+
+	val canResume: Boolean
+		get() = workState == WorkInfo.State.RUNNING && isPaused
+
+	fun getEtaString(): CharSequence? = if (hasEta) {
+		DateUtils.getRelativeTimeSpanString(
+			eta,
+			System.currentTimeMillis(),
+			DateUtils.SECOND_IN_MILLIS,
+		)
+	} else {
+		null
+	}
+
+	override fun compareTo(other: DownloadItemModel): Int {
+		return timestamp.compareTo(other.timestamp)
+	}
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as DownloadItemModel
+
+		if (id != other.id) return false
+		if (workState != other.workState) return false
+		if (isIndeterminate != other.isIndeterminate) return false
+		if (isPaused != other.isPaused) return false
+		if (manga != other.manga) return false
+		if (error != other.error) return false
+		if (max != other.max) return false
+		if (totalChapters != other.totalChapters) return false
+		if (progress != other.progress) return false
+		if (eta != other.eta) return false
+		return timestamp == other.timestamp
+	}
+
+	override fun hashCode(): Int {
+		var result = id.hashCode()
+		result = 31 * result + workState.hashCode()
+		result = 31 * result + isIndeterminate.hashCode()
+		result = 31 * result + isPaused.hashCode()
+		result = 31 * result + manga.hashCode()
+		result = 31 * result + (error?.hashCode() ?: 0)
+		result = 31 * result + max
+		result = 31 * result + totalChapters
+		result = 31 * result + progress
+		result = 31 * result + eta.hashCode()
+		result = 31 * result + timestamp.hashCode()
+		return result
+	}
+}

app/src/main/java/org/koitharu/kotatsu/download/ui/list/DownloadsActivity.kt

@@ -0,0 +1,173 @@
+package org.koitharu.kotatsu.download.ui.list
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import androidx.activity.viewModels
+import androidx.annotation.Px
+import androidx.appcompat.view.ActionMode
+import androidx.core.graphics.Insets
+import androidx.core.view.updatePadding
+import androidx.lifecycle.Observer
+import coil.ImageLoader
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.base.ui.list.ListSelectionController
+import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
+import org.koitharu.kotatsu.base.ui.util.ReversibleActionObserver
+import org.koitharu.kotatsu.databinding.ActivityDownloadsBinding
+import org.koitharu.kotatsu.details.ui.DetailsActivity
+import org.koitharu.kotatsu.download.ui.worker.PausingReceiver
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>(),
+	DownloadItemListener,
+	ListSelectionController.Callback2 {
+
+	@Inject
+	lateinit var coil: ImageLoader
+
+	private val viewModel by viewModels<DownloadsViewModel>()
+	private lateinit var selectionController: ListSelectionController
+
+	@Px
+	private var listSpacing = 0
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setContentView(ActivityDownloadsBinding.inflate(layoutInflater))
+		listSpacing = resources.getDimensionPixelOffset(R.dimen.list_spacing)
+		supportActionBar?.setDisplayHomeAsUpEnabled(true)
+		val downloadsAdapter = DownloadsAdapter(this, coil, this)
+		val decoration = SpacingItemDecoration(listSpacing)
+		selectionController = ListSelectionController(
+			activity = this,
+			decoration = DownloadsSelectionDecoration(this),
+			registryOwner = this,
+			callback = this,
+		)
+		with(binding.recyclerView) {
+			setHasFixedSize(true)
+			addItemDecoration(decoration)
+			adapter = downloadsAdapter
+			selectionController.attachToRecyclerView(this)
+		}
+		addMenuProvider(DownloadsMenuProvider(this, viewModel))
+		viewModel.items.observe(this) {
+			downloadsAdapter.items = it
+		}
+		viewModel.onActionDone.observe(this, ReversibleActionObserver(binding.recyclerView))
+		val menuObserver = Observer<Any> { _ -> invalidateOptionsMenu() }
+		viewModel.hasActiveWorks.observe(this, menuObserver)
+		viewModel.hasPausedWorks.observe(this, menuObserver)
+		viewModel.hasCancellableWorks.observe(this, menuObserver)
+	}
+
+	override fun onWindowInsetsChanged(insets: Insets) {
+		binding.recyclerView.updatePadding(
+			left = insets.left + listSpacing,
+			right = insets.right + listSpacing,
+			bottom = insets.bottom,
+		)
+		binding.toolbar.updatePadding(
+			left = insets.left,
+			right = insets.right,
+		)
+	}
+
+	override fun onItemClick(item: DownloadItemModel, view: View) {
+		if (selectionController.onItemClick(item.id.mostSignificantBits)) {
+			return
+		}
+		startActivity(DetailsActivity.newIntent(view.context, item.manga))
+	}
+
+	override fun onItemLongClick(item: DownloadItemModel, view: View): Boolean {
+		return selectionController.onItemLongClick(item.id.mostSignificantBits)
+	}
+
+	override fun onCancelClick(item: DownloadItemModel) {
+		viewModel.cancel(item.id)
+	}
+
+	override fun onPauseClick(item: DownloadItemModel) {
+		sendBroadcast(PausingReceiver.getPauseIntent(item.id))
+	}
+
+	override fun onResumeClick(item: DownloadItemModel) {
+		sendBroadcast(PausingReceiver.getResumeIntent(item.id))
+	}
+
+	override fun onSelectionChanged(controller: ListSelectionController, count: Int) {
+		binding.recyclerView.invalidateItemDecorations()
+	}
+
+	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		mode.menuInflater.inflate(R.menu.mode_downloads, menu)
+		return true
+	}
+
+	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.action_resume -> {
+				viewModel.resume(controller.snapshot())
+				mode.finish()
+				true
+			}
+
+			R.id.action_pause -> {
+				viewModel.pause(controller.snapshot())
+				mode.finish()
+				true
+			}
+
+			R.id.action_cancel -> {
+				viewModel.cancel(controller.snapshot())
+				mode.finish()
+				true
+			}
+
+			R.id.action_remove -> {
+				viewModel.remove(controller.snapshot())
+				mode.finish()
+				true
+			}
+
+			R.id.action_select_all -> {
+				controller.addAll(viewModel.allIds())
+				true
+			}
+
+			else -> false
+		}
+	}
+
+	override fun onPrepareActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		val snapshot = viewModel.snapshot(controller.peekCheckedIds())
+		var canPause = true
+		var canResume = true
+		var canCancel = true
+		var canRemove = true
+		for (item in snapshot) {
+			canPause = canPause and item.canPause
+			canResume = canResume and item.canResume
+			canCancel = canCancel and !item.workState.isFinished
+			canRemove = canRemove and item.workState.isFinished
+		}
+		menu.findItem(R.id.action_pause)?.isVisible = canPause
+		menu.findItem(R.id.action_resume)?.isVisible = canResume
+		menu.findItem(R.id.action_cancel)?.isVisible = canCancel
+		menu.findItem(R.id.action_remove)?.isVisible = canRemove
+		return super.onPrepareActionMode(controller, mode, menu)
+	}
+
+	companion object {
+
+		fun newIntent(context: Context) = Intent(context, DownloadsActivity::class.java)
+	}
+}