Fix NPE in ListConfigViewModel

Currently translated at 100.0% (7 of 7 strings)

Co-authored-by: Oliullah <shahin1465686@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/plurals/bn/
Translation: Kotatsu/plurals

app/build.gradle

@@ -16,11 +16,12 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 34
-		versionCode = 576
-		versionName = '6.0.3'
+		versionCode = 600
+		versionName = '6.4'
 		generatedDensities = []
 		testInstrumentationRunner "org.koitharu.kotatsu.HiltTestRunner"
 		ksp {
+//			arg("room.generateKotlin", "true") TODO: enable later
 			arg("room.schemaLocation", "$projectDir/schemas")
 		}
 		androidResources {
@@ -32,7 +33,6 @@ android {
 			applicationIdSuffix = '.debug'
 		}
 		release {
-			multiDexEnabled false
 			minifyEnabled true
 			shrinkResources true
 			proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -47,11 +47,12 @@ android {
 		main.java.srcDirs += 'src/main/kotlin/'
 	}
 	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_17
-		targetCompatibility JavaVersion.VERSION_17
+		coreLibraryDesugaringEnabled true
+		sourceCompatibility JavaVersion.VERSION_1_8
+		targetCompatibility JavaVersion.VERSION_1_8
 	}
 	kotlinOptions {
-		jvmTarget = JavaVersion.VERSION_17.toString()
+		jvmTarget = JavaVersion.VERSION_1_8.toString()
 		freeCompilerArgs += [
 			'-opt-in=kotlin.ExperimentalStdlibApi',
 			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
@@ -81,29 +82,30 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:2f7e704e21') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:46e863ef79') {
 		exclude group: 'org.json', module: 'json'
 	}
 
-	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.9.10'
+	coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
+	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.9.20'
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3'
 
 	implementation 'androidx.appcompat:appcompat:1.6.1'
-	implementation 'androidx.core:core-ktx:1.10.1'
-	implementation 'androidx.activity:activity-ktx:1.7.2'
-	implementation 'androidx.fragment:fragment-ktx:1.6.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.6.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.6.1'
+	implementation 'androidx.core:core-ktx:1.12.0'
+	implementation 'androidx.activity:activity-ktx:1.8.1'
+	implementation 'androidx.fragment:fragment-ktx:1.6.2'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.2'
+	implementation 'androidx.lifecycle:lifecycle-service:2.6.2'
+	implementation 'androidx.lifecycle:lifecycle-process:2.6.2'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-	implementation 'androidx.recyclerview:recyclerview:1.3.1'
+	implementation 'androidx.recyclerview:recyclerview:1.3.2'
 	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta02'
 	implementation 'androidx.preference:preference-ktx:1.2.1'
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha05'
-	implementation 'com.google.android.material:material:1.9.0'
-	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.1'
+	implementation 'com.google.android.material:material:1.10.0'
+	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.2'
 
 	// TODO https://issuetracker.google.com/issues/254846063
 	implementation 'androidx.work:work-runtime-ktx:2.8.1'
@@ -114,35 +116,35 @@ dependencies {
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
 	}
 
-	implementation 'androidx.room:room-runtime:2.5.2'
-	implementation 'androidx.room:room-ktx:2.5.2'
-	ksp 'androidx.room:room-compiler:2.5.2'
+	implementation 'androidx.room:room-runtime:2.6.0'
+	implementation 'androidx.room:room-ktx:2.6.0'
+	ksp 'androidx.room:room-compiler:2.6.0'
 
-	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
-	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
-	implementation 'com.squareup.okio:okio:3.5.0'
+	implementation 'com.squareup.okhttp3:okhttp:4.12.0'
+	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.12.0'
+	implementation 'com.squareup.okio:okio:3.6.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'com.google.dagger:hilt-android:2.47'
-	kapt 'com.google.dagger:hilt-compiler:2.47'
-	implementation 'androidx.hilt:hilt-work:1.0.0'
-	kapt 'androidx.hilt:hilt-compiler:1.0.0'
+	implementation 'com.google.dagger:hilt-android:2.48.1'
+	kapt 'com.google.dagger:hilt-compiler:2.48.1'
+	implementation 'androidx.hilt:hilt-work:1.1.0'
+	kapt 'androidx.hilt:hilt-compiler:1.1.0'
 
-	implementation 'io.coil-kt:coil-base:2.4.0'
-	implementation 'io.coil-kt:coil-svg:2.4.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:9b1d20be67'
+	implementation 'io.coil-kt:coil-base:2.5.0'
+	implementation 'io.coil-kt:coil-svg:2.5.0'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:c7dab3aefe'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.11.1'
-	implementation 'ch.acra:acra-dialog:5.11.1'
+	implementation 'ch.acra:acra-http:5.11.3'
+	implementation 'ch.acra:acra-dialog:5.11.3'
 
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20230618'
+	testImplementation 'org.json:json:20231013'
 	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
 	androidTestImplementation 'androidx.test:runner:1.5.2'
@@ -152,9 +154,9 @@ dependencies {
 
 	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.2'
+	androidTestImplementation 'androidx.room:room-testing:2.6.0'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.47'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.47'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.48.1'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.48.1'
 }

app/proguard-rules.pro

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

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

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

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

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

app/src/main/AndroidManifest.xml

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

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

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

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

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

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

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

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

@@ -14,7 +14,6 @@ import androidx.core.view.updatePadding
 import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import coil.ImageLoader
-import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
@@ -25,8 +24,7 @@ import org.koitharu.kotatsu.core.ui.BaseFragment
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.ui.list.fastscroll.FastScroller
-import org.koitharu.kotatsu.core.ui.util.ReversibleAction
-import org.koitharu.kotatsu.core.ui.util.reverseAsync
+import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.FragmentListSimpleBinding
@@ -38,7 +36,6 @@ import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
-import org.koitharu.kotatsu.main.ui.owners.SnackbarOwner
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import javax.inject.Inject
@@ -61,11 +58,17 @@ class BookmarksFragment :
 	private var bookmarksAdapter: BookmarksAdapter? = null
 	private var selectionController: ListSelectionController? = null
 
-	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentListSimpleBinding {
+	override fun onCreateViewBinding(
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+	): FragmentListSimpleBinding {
 		return FragmentListSimpleBinding.inflate(inflater, container, false)
 	}
 
-	override fun onViewBindingCreated(binding: FragmentListSimpleBinding, savedInstanceState: Bundle?) {
+	override fun onViewBindingCreated(
+		binding: FragmentListSimpleBinding,
+		savedInstanceState: Bundle?,
+	) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		selectionController = ListSelectionController(
 			activity = requireActivity(),
@@ -95,8 +98,11 @@ class BookmarksFragment :
 		viewModel.content.observe(viewLifecycleOwner) {
 			bookmarksAdapter?.setItems(it, spanSizeLookup)
 		}
-		viewModel.onError.observeEvent(viewLifecycleOwner, SnackbarErrorObserver(binding.recyclerView, this))
-		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ::onActionDone)
+		viewModel.onError.observeEvent(
+			viewLifecycleOwner,
+			SnackbarErrorObserver(binding.recyclerView, this)
+		)
+		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ReversibleActionObserver(binding.recyclerView))
 	}
 
 	override fun onDestroyView() {
@@ -139,12 +145,20 @@ class BookmarksFragment :
 		requireViewBinding().recyclerView.invalidateItemDecorations()
 	}
 
-	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+	override fun onCreateActionMode(
+		controller: ListSelectionController,
+		mode: ActionMode,
+		menu: Menu,
+	): Boolean {
 		mode.menuInflater.inflate(R.menu.mode_bookmarks, menu)
 		return true
 	}
 
-	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+	override fun onActionItemClicked(
+		controller: ListSelectionController,
+		mode: ActionMode,
+		item: MenuItem,
+	): Boolean {
 		return when (item.itemId) {
 			R.id.action_remove -> {
 				val ids = selectionController?.snapshot() ?: return false
@@ -167,16 +181,6 @@ class BookmarksFragment :
 		}
 	}
 
-	private fun onActionDone(action: ReversibleAction) {
-		val handle = action.handle
-		val length = if (handle == null) Snackbar.LENGTH_SHORT else Snackbar.LENGTH_LONG
-		val snackbar = Snackbar.make((activity as SnackbarOwner).snackbarHost, action.stringResId, length)
-		if (handle != null) {
-			snackbar.setAction(R.string.undo) { handle.reverseAsync() }
-		}
-		snackbar.show()
-	}
-
 	private inner class SpanSizeLookup : GridLayoutManager.SpanSizeLookup(), Runnable {
 
 		init {
@@ -185,7 +189,8 @@ class BookmarksFragment :
 		}
 
 		override fun getSpanSize(position: Int): Int {
-			val total = (viewBinding?.recyclerView?.layoutManager as? GridLayoutManager)?.spanCount ?: return 1
+			val total = (viewBinding?.recyclerView?.layoutManager as? GridLayoutManager)?.spanCount
+				?: return 1
 			return when (bookmarksAdapter?.getItemViewType(position)) {
 				ListItemType.PAGE_THUMB.ordinal -> 1
 				else -> total
@@ -200,6 +205,12 @@ class BookmarksFragment :
 
 	companion object {
 
+		@Deprecated(
+			"", ReplaceWith(
+				"BookmarksFragment()",
+				"org.koitharu.kotatsu.bookmarks.ui.BookmarksFragment"
+			)
+		)
 		fun newInstance() = BookmarksFragment()
 	}
 }

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

@@ -162,7 +162,7 @@ class BookmarksSheet :
 
 		fun show(fm: FragmentManager, manga: Manga) {
 			BookmarksSheet().withArgs(1) {
-				putParcelable(ARG_MANGA, ParcelableManga(manga, withChapters = true))
+				putParcelable(ARG_MANGA, ParcelableManga(manga))
 			}.showDistinct(fm, TAG)
 		}
 	}

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

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

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

@@ -12,7 +12,12 @@ import androidx.core.net.toUri
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
+import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runInterruptible
+import kotlinx.coroutines.yield
 import okhttp3.Headers
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
@@ -43,8 +48,8 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		if (!catchingWebViewUnavailability {
 				setContentView(
 					ActivityBrowserBinding.inflate(
-						layoutInflater
-					)
+						layoutInflater,
+					),
 				)
 			}) {
 			return
@@ -77,9 +82,11 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 	}
 
 	override fun onDestroy() {
-		viewBinding.webView.run {
-			stopLoading()
-			destroy()
+		runCatching {
+			viewBinding.webView
+		}.onSuccess {
+			it.stopLoading()
+			it.destroy()
 		}
 		super.onDestroy()
 	}
@@ -118,11 +125,14 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		}
 
 		R.id.action_retry -> {
-			viewBinding.webView.stopLoading()
-			val targetUrl = intent?.dataString?.toHttpUrlOrNull()
-			if (targetUrl != null) {
-				clearCfCookies(targetUrl)
-				viewBinding.webView.loadUrl(targetUrl.toString())
+			lifecycleScope.launch {
+				viewBinding.webView.stopLoading()
+				yield()
+				val targetUrl = intent?.dataString?.toHttpUrlOrNull()
+				if (targetUrl != null) {
+					clearCfCookies(targetUrl)
+					viewBinding.webView.loadUrl(targetUrl.toString())
+				}
 			}
 			true
 		}
@@ -168,7 +178,7 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 			subtitle?.toString()?.toHttpUrlOrNull()?.topPrivateDomain() ?: subtitle
 	}
 
-	private fun clearCfCookies(url: HttpUrl) {
+	private suspend fun clearCfCookies(url: HttpUrl) = runInterruptible(Dispatchers.Default) {
 		cookieJar.removeCookies(url) { cookie ->
 			val name = cookie.name
 			name.startsWith("cf_") || name.startsWith("_cf") || name.startsWith("__cf")

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

@@ -30,7 +30,8 @@ import org.koitharu.kotatsu.core.cache.ContentCache
 import org.koitharu.kotatsu.core.cache.MemoryContentCache
 import org.koitharu.kotatsu.core.cache.StubContentCache
 import org.koitharu.kotatsu.core.db.MangaDatabase
-import org.koitharu.kotatsu.core.network.*
+import org.koitharu.kotatsu.core.network.ImageProxyInterceptor
+import org.koitharu.kotatsu.core.network.MangaHttpClient
 import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaLoaderContextImpl
@@ -40,7 +41,6 @@ import org.koitharu.kotatsu.core.ui.image.CoilImageGetter
 import org.koitharu.kotatsu.core.ui.util.ActivityRecreationHandle
 import org.koitharu.kotatsu.core.util.AcraScreenLogger
 import org.koitharu.kotatsu.core.util.IncognitoModeIndicator
-import org.koitharu.kotatsu.core.util.ext.activityManager
 import org.koitharu.kotatsu.core.util.ext.connectivityManager
 import org.koitharu.kotatsu.core.util.ext.isLowRamDevice
 import org.koitharu.kotatsu.local.data.CacheDir
@@ -161,7 +161,7 @@ interface AppModule {
 		fun provideContentCache(
 			application: Application,
 		): ContentCache {
-			return if (application.activityManager?.isLowRamDevice == true) {
+			return if (application.isLowRamDevice()) {
 				StubContentCache()
 			} else {
 				MemoryContentCache(application)

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

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

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

@@ -22,7 +22,7 @@ class BackupRepository @Inject constructor(
 		var offset = 0
 		val entry = BackupEntry(BackupEntry.HISTORY, JSONArray())
 		while (true) {
-			val history = db.historyDao.findAll(offset, PAGE_SIZE)
+			val history = db.getHistoryDao().findAll(offset, PAGE_SIZE)
 			if (history.isEmpty()) {
 				break
 			}
@@ -42,7 +42,7 @@ class BackupRepository @Inject constructor(
 
 	suspend fun dumpCategories(): BackupEntry {
 		val entry = BackupEntry(BackupEntry.CATEGORIES, JSONArray())
-		val categories = db.favouriteCategoriesDao.findAll()
+		val categories = db.getFavouriteCategoriesDao().findAll()
 		for (item in categories) {
 			entry.data.put(JsonSerializer(item).toJson())
 		}
@@ -53,7 +53,7 @@ class BackupRepository @Inject constructor(
 		var offset = 0
 		val entry = BackupEntry(BackupEntry.FAVOURITES, JSONArray())
 		while (true) {
-			val favourites = db.favouritesDao.findAll(offset, PAGE_SIZE)
+			val favourites = db.getFavouritesDao().findAll(offset, PAGE_SIZE)
 			if (favourites.isEmpty()) {
 				break
 			}
@@ -73,7 +73,7 @@ class BackupRepository @Inject constructor(
 
 	suspend fun dumpBookmarks(): BackupEntry {
 		val entry = BackupEntry(BackupEntry.BOOKMARKS, JSONArray())
-		val all = db.bookmarksDao.findAll()
+		val all = db.getBookmarksDao().findAll()
 		for ((m, b) in all) {
 			val json = JSONObject()
 			val manga = JsonSerializer(m.manga).toJson()
@@ -122,9 +122,9 @@ class BackupRepository @Inject constructor(
 			val history = JsonDeserializer(item).toHistoryEntity()
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.historyDao.upsert(history)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getHistoryDao().upsert(history)
 				}
 			}
 		}
@@ -136,7 +136,7 @@ class BackupRepository @Inject constructor(
 		for (item in entry.data.JSONIterator()) {
 			val category = JsonDeserializer(item).toFavouriteCategoryEntity()
 			result += runCatchingCancellable {
-				db.favouriteCategoriesDao.upsert(category)
+				db.getFavouriteCategoriesDao().upsert(category)
 			}
 		}
 		return result
@@ -153,9 +153,9 @@ class BackupRepository @Inject constructor(
 			val favourite = JsonDeserializer(item).toFavouriteEntity()
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.favouritesDao.upsert(favourite)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getFavouritesDao().upsert(favourite)
 				}
 			}
 		}
@@ -175,9 +175,9 @@ class BackupRepository @Inject constructor(
 			}
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.bookmarksDao.upsert(bookmarks)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getBookmarksDao().upsert(bookmarks)
 				}
 			}
 		}

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

@@ -29,7 +29,7 @@ class BackupZipOutput(val file: File) : Closeable {
 	}
 }
 
-private const val DIR_BACKUPS = "backups"
+const val DIR_BACKUPS = "backups"
 
 suspend fun BackupZipOutput(context: Context): BackupZipOutput = runInterruptible(Dispatchers.IO) {
 	val dir = context.run {

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

@@ -6,6 +6,7 @@ import androidx.room.InvalidationTracker
 import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.migration.Migration
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
@@ -65,29 +66,29 @@ const val DATABASE_VERSION = 17
 )
 abstract class MangaDatabase : RoomDatabase() {
 
-	abstract val historyDao: HistoryDao
+	abstract fun getHistoryDao(): HistoryDao
 
-	abstract val tagsDao: TagsDao
+	abstract fun getTagsDao(): TagsDao
 
-	abstract val mangaDao: MangaDao
+	abstract fun getMangaDao(): MangaDao
 
-	abstract val favouritesDao: FavouritesDao
+	abstract fun getFavouritesDao(): FavouritesDao
 
-	abstract val preferencesDao: PreferencesDao
+	abstract fun getPreferencesDao(): PreferencesDao
 
-	abstract val favouriteCategoriesDao: FavouriteCategoriesDao
+	abstract fun getFavouriteCategoriesDao(): FavouriteCategoriesDao
 
-	abstract val tracksDao: TracksDao
+	abstract fun getTracksDao(): TracksDao
 
-	abstract val trackLogsDao: TrackLogsDao
+	abstract fun getTrackLogsDao(): TrackLogsDao
 
-	abstract val suggestionDao: SuggestionDao
+	abstract fun getSuggestionDao(): SuggestionDao
 
-	abstract val bookmarksDao: BookmarksDao
+	abstract fun getBookmarksDao(): BookmarksDao
 
-	abstract val scrobblingDao: ScrobblingDao
+	abstract fun getScrobblingDao(): ScrobblingDao
 
-	abstract val sourcesDao: MangaSourcesDao
+	abstract fun getSourcesDao(): MangaSourcesDao
 }
 
 fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
@@ -118,7 +119,7 @@ fun MangaDatabase(context: Context): MangaDatabase = Room
 fun InvalidationTracker.removeObserverAsync(observer: InvalidationTracker.Observer) {
 	val scope = processLifecycleScope
 	if (scope.isActive) {
-		processLifecycleScope.launch(Dispatchers.Default) {
+		processLifecycleScope.launch(Dispatchers.Default, CoroutineStart.ATOMIC) {
 			removeObserver(observer)
 		}
 	}

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

@@ -6,3 +6,4 @@ const val TABLE_TAGS = "tags"
 const val TABLE_FAVOURITE_CATEGORIES = "favourite_categories"
 const val TABLE_HISTORY = "history"
 const val TABLE_MANGA_TAGS = "manga_tags"
+const val TABLE_SOURCES = "sources"

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

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

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

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

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

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

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

@@ -3,9 +3,10 @@ package org.koitharu.kotatsu.core.db.entity
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
+import org.koitharu.kotatsu.core.db.TABLE_SOURCES
 
 @Entity(
-	tableName = "sources",
+	tableName = TABLE_SOURCES,
 )
 data class MangaSourceEntity(
 	@PrimaryKey(autoGenerate = false)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -1,12 +1,15 @@
 package org.koitharu.kotatsu.core.model
 
 import android.net.Uri
+import androidx.annotation.StringRes
 import androidx.core.os.LocaleListCompat
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.iterator
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
 @JvmName("mangaIds")
@@ -17,6 +20,8 @@ fun Collection<Manga>.distinctById() = distinctBy { it.id }
 @JvmName("chaptersIds")
 fun Collection<MangaChapter>.ids() = mapToSet { it.id }
 
+fun Collection<MangaChapter>.findById(id: Long) = find { x -> x.id == id }
+
 fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 	if (size <= 1) {
 		return size
@@ -29,8 +34,17 @@ fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 	return acc.values.max()
 }
 
+@get:StringRes
+val MangaState.titleResId: Int
+	get() = when (this) {
+		MangaState.ONGOING -> R.string.state_ongoing
+		MangaState.FINISHED -> R.string.state_finished
+		MangaState.ABANDONED -> R.string.state_abandoned
+		MangaState.PAUSED -> R.string.state_paused
+	}
+
 fun Manga.findChapter(id: Long): MangaChapter? {
-	return chapters?.find { it.id == id }
+	return chapters?.findById(id)
 }
 
 fun Manga.getPreferredBranch(history: MangaHistory?): String? {
@@ -39,7 +53,7 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 		return null
 	}
 	if (history != null) {
-		val currentChapter = ch.find { it.id == history.chapterId }
+		val currentChapter = ch.findById(history.chapterId)
 		if (currentChapter != null) {
 			return currentChapter.branch
 		}

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

@@ -1,5 +1,9 @@
 package org.koitharu.kotatsu.core.model
 
+import android.content.Context
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.toTitleCase
 import java.util.Locale
@@ -15,3 +19,20 @@ fun MangaSource(name: String): MangaSource {
 	}
 	return MangaSource.DUMMY
 }
+
+fun MangaSource.isNsfw() = contentType == ContentType.HENTAI
+
+@get:StringRes
+val ContentType.titleResId
+	get() = when (this) {
+		ContentType.MANGA -> R.string.content_type_manga
+		ContentType.HENTAI -> R.string.content_type_hentai
+		ContentType.COMICS -> R.string.content_type_comics
+		ContentType.OTHER -> R.string.content_type_other
+	}
+
+fun MangaSource.getSummary(context: Context): String {
+	val type = context.getString(contentType.titleResId)
+	val locale = getLocaleTitle() ?: context.getString(R.string.various_languages)
+	return context.getString(R.string.source_summary_pattern, type, locale)
+}

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

@@ -0,0 +1,42 @@
+package org.koitharu.kotatsu.core.model.parcelable
+
+import android.os.Parcel
+import android.os.Parcelable
+import kotlinx.parcelize.Parceler
+import kotlinx.parcelize.Parcelize
+import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaSource
+
+@Parcelize
+data class ParcelableChapter(
+	val chapter: MangaChapter,
+) : Parcelable {
+
+	companion object : Parceler<ParcelableChapter> {
+
+		override fun create(parcel: Parcel) = ParcelableChapter(
+			MangaChapter(
+				id = parcel.readLong(),
+				name = parcel.readString().orEmpty(),
+				number = parcel.readInt(),
+				url = parcel.readString().orEmpty(),
+				scanlator = parcel.readString(),
+				uploadDate = parcel.readLong(),
+				branch = parcel.readString(),
+				source = parcel.readSerializableCompat() ?: MangaSource.DUMMY,
+			)
+		)
+
+		override fun ParcelableChapter.write(parcel: Parcel, flags: Int) = with(chapter) {
+			parcel.writeLong(id)
+			parcel.writeString(name)
+			parcel.writeInt(number)
+			parcel.writeString(url)
+			parcel.writeString(scanlator)
+			parcel.writeLong(uploadDate)
+			parcel.writeString(branch)
+			parcel.writeSerializable(source)
+		}
+	}
+}

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

@@ -9,55 +9,28 @@ import org.koitharu.kotatsu.core.util.ext.readParcelableCompat
 import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
 import org.koitharu.kotatsu.parsers.model.Manga
 
-// Limits to avoid TransactionTooLargeException
-private const val MAX_SAFE_SIZE = 1024 * 100 // Assume that 100 kb is safe parcel size
-private const val MAX_SAFE_CHAPTERS_COUNT = 24 // this is 100% safe
-
 @Parcelize
 data class ParcelableManga(
 	val manga: Manga,
-	private val withChapters: Boolean,
 ) : Parcelable {
-	companion object : Parceler<ParcelableManga> {
-		private fun Manga.writeToParcel(out: Parcel, flags: Int, withChapters: Boolean) {
-			out.writeLong(id)
-			out.writeString(title)
-			out.writeString(altTitle)
-			out.writeString(url)
-			out.writeString(publicUrl)
-			out.writeFloat(rating)
-			ParcelCompat.writeBoolean(out, isNsfw)
-			out.writeString(coverUrl)
-			out.writeString(largeCoverUrl)
-			out.writeString(description)
-			out.writeParcelable(ParcelableMangaTags(tags), flags)
-			out.writeSerializable(state)
-			out.writeString(author)
-			val parcelableChapters = if (withChapters) null else chapters?.let(::ParcelableMangaChapters)
-			out.writeParcelable(parcelableChapters, flags)
-			out.writeSerializable(source)
-		}
 
-		override fun ParcelableManga.write(parcel: Parcel, flags: Int) {
-			val chapters = manga.chapters
-			if (!withChapters || chapters == null) {
-				manga.writeToParcel(parcel, flags, withChapters = false)
-				return
-			}
-			if (chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
-				// fast path
-				manga.writeToParcel(parcel, flags, withChapters = true)
-				return
-			}
-			val tempParcel = Parcel.obtain()
-			manga.writeToParcel(tempParcel, flags, withChapters = true)
-			val size = tempParcel.dataSize()
-			if (size < MAX_SAFE_SIZE) {
-				parcel.appendFrom(tempParcel, 0, size)
-			} else {
-				manga.writeToParcel(parcel, flags, withChapters = false)
-			}
-			tempParcel.recycle()
+	companion object : Parceler<ParcelableManga> {
+
+		override fun ParcelableManga.write(parcel: Parcel, flags: Int) = with(manga) {
+			parcel.writeLong(id)
+			parcel.writeString(title)
+			parcel.writeString(altTitle)
+			parcel.writeString(url)
+			parcel.writeString(publicUrl)
+			parcel.writeFloat(rating)
+			ParcelCompat.writeBoolean(parcel, isNsfw)
+			parcel.writeString(coverUrl)
+			parcel.writeString(largeCoverUrl)
+			parcel.writeString(description)
+			parcel.writeParcelable(ParcelableMangaTags(tags), flags)
+			parcel.writeSerializable(state)
+			parcel.writeString(author)
+			parcel.writeSerializable(source)
 		}
 
 		override fun create(parcel: Parcel) = ParcelableManga(
@@ -75,10 +48,9 @@ data class ParcelableManga(
 				tags = requireNotNull(parcel.readParcelableCompat<ParcelableMangaTags>()).tags,
 				state = parcel.readSerializableCompat(),
 				author = parcel.readString(),
-				chapters = parcel.readParcelableCompat<ParcelableMangaChapters>()?.chapters,
+				chapters = null,
 				source = requireNotNull(parcel.readSerializableCompat()),
-			),
-			withChapters = true
+			)
 		)
 	}
 }

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

@@ -1,37 +0,0 @@
-package org.koitharu.kotatsu.core.model.parcelable
-
-import android.os.Parcel
-import android.os.Parcelable
-import kotlinx.parcelize.Parceler
-import kotlinx.parcelize.Parcelize
-import kotlinx.parcelize.TypeParceler
-import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
-import org.koitharu.kotatsu.parsers.model.MangaChapter
-
-object MangaChapterParceler : Parceler<MangaChapter> {
-	override fun create(parcel: Parcel) = MangaChapter(
-		id = parcel.readLong(),
-		name = requireNotNull(parcel.readString()),
-		number = parcel.readInt(),
-		url = requireNotNull(parcel.readString()),
-		scanlator = parcel.readString(),
-		uploadDate = parcel.readLong(),
-		branch = parcel.readString(),
-		source = requireNotNull(parcel.readSerializableCompat()),
-	)
-
-	override fun MangaChapter.write(parcel: Parcel, flags: Int) {
-		parcel.writeLong(id)
-		parcel.writeString(name)
-		parcel.writeInt(number)
-		parcel.writeString(url)
-		parcel.writeString(scanlator)
-		parcel.writeLong(uploadDate)
-		parcel.writeString(branch)
-		parcel.writeSerializable(source)
-	}
-}
-
-@Parcelize
-@TypeParceler<MangaChapter, MangaChapterParceler>
-data class ParcelableMangaChapters(val chapters: List<MangaChapter>) : Parcelable

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

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

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

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

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

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

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

@@ -47,7 +47,6 @@ class AndroidCookieJar : MutableCookieJar {
 				.build()
 			cookieManager.setCookie(urlString, nc.toString())
 		}
-		check(loadForRequest(url).isEmpty())
 	}
 
 	override suspend fun clear() = suspendCoroutine<Boolean> { continuation ->

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

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

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

@@ -11,6 +11,7 @@ import org.koitharu.kotatsu.core.db.entity.toEntities
 import org.koitharu.kotatsu.core.db.entity.toEntity
 import org.koitharu.kotatsu.core.db.entity.toManga
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
+import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.prefs.ReaderMode
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -28,16 +29,16 @@ class MangaDataRepository @Inject constructor(
 	suspend fun saveReaderMode(manga: Manga, mode: ReaderMode) {
 		db.withTransaction {
 			storeManga(manga)
-			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
-			db.preferencesDao.upsert(entity.copy(mode = mode.id))
+			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
+			db.getPreferencesDao().upsert(entity.copy(mode = mode.id))
 		}
 	}
 
 	suspend fun saveColorFilter(manga: Manga, colorFilter: ReaderColorFilter?) {
 		db.withTransaction {
 			storeManga(manga)
-			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
-			db.preferencesDao.upsert(
+			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
+			db.getPreferencesDao().upsert(
 				entity.copy(
 					cfBrightness = colorFilter?.brightness ?: 0f,
 					cfContrast = colorFilter?.contrast ?: 0f,
@@ -48,25 +49,25 @@ class MangaDataRepository @Inject constructor(
 	}
 
 	suspend fun getReaderMode(mangaId: Long): ReaderMode? {
-		return db.preferencesDao.find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
+		return db.getPreferencesDao().find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
 	}
 
 	suspend fun getColorFilter(mangaId: Long): ReaderColorFilter? {
-		return db.preferencesDao.find(mangaId)?.getColorFilterOrNull()
+		return db.getPreferencesDao().find(mangaId)?.getColorFilterOrNull()
 	}
 
 	fun observeColorFilter(mangaId: Long): Flow<ReaderColorFilter?> {
-		return db.preferencesDao.observe(mangaId)
+		return db.getPreferencesDao().observe(mangaId)
 			.map { it?.getColorFilterOrNull() }
 			.distinctUntilChanged()
 	}
 
 	suspend fun findMangaById(mangaId: Long): Manga? {
-		return db.mangaDao.find(mangaId)?.toManga()
+		return db.getMangaDao().find(mangaId)?.toManga()
 	}
 
 	suspend fun findMangaByPublicUrl(publicUrl: String): Manga? {
-		return db.mangaDao.findByPublicUrl(publicUrl)?.toManga()
+		return db.getMangaDao().findByPublicUrl(publicUrl)?.toManga()
 	}
 
 	suspend fun resolveIntent(intent: MangaIntent): Manga? = when {
@@ -77,15 +78,23 @@ class MangaDataRepository @Inject constructor(
 	}
 
 	suspend fun storeManga(manga: Manga) {
-		val tags = manga.tags.toEntities()
 		db.withTransaction {
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(manga.toEntity(), tags)
+			// avoid storing local manga if remote one is already stored
+			val existing = if (manga.isLocal) {
+				db.getMangaDao().find(manga.id)?.manga
+			} else {
+				null
+			}
+			if (existing == null || existing.source == manga.source.name) {
+				val tags = manga.tags.toEntities()
+				db.getTagsDao().upsert(tags)
+				db.getMangaDao().upsert(manga.toEntity(), tags)
+			}
 		}
 	}
 
 	suspend fun findTags(source: MangaSource): Set<MangaTag> {
-		return db.tagsDao.findTags(source.name).toMangaTags()
+		return db.getTagsDao().findTags(source.name).toMangaTags()
 	}
 
 	private fun MangaPrefsEntity.getColorFilterOrNull(): ReaderColorFilter? {

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

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

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

@@ -8,6 +8,7 @@ import org.koitharu.kotatsu.explore.data.MangaSourcesRepository
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.almostEquals
 import org.koitharu.kotatsu.parsers.util.levenshteinDistance
@@ -23,14 +24,14 @@ class MangaLinkResolver @Inject constructor(
 ) {
 
 	suspend fun resolve(uri: Uri): Manga {
-		return if (uri.host == "kotatsu.app") {
+		return if (uri.scheme == "kotatsu" || uri.host == "kotatsu.app") {
 			resolveAppLink(uri)
 		} else {
 			resolveExternalLink(uri)
-		} ?: throw NotFoundException("Manga not found", uri.toString())
+		} ?: throw NotFoundException("Cannot resolve link", uri.toString())
 	}
 
-	suspend fun resolveAppLink(uri: Uri): Manga? {
+	private suspend fun resolveAppLink(uri: Uri): Manga? {
 		require(uri.pathSegments.singleOrNull() == "manga") { "Invalid url" }
 		val sourceName = requireNotNull(uri.getQueryParameter("source")) { "Source is not specified" }
 		val source = MangaSource(sourceName)
@@ -42,7 +43,7 @@ class MangaLinkResolver @Inject constructor(
 		)
 	}
 
-	suspend fun resolveExternalLink(uri: Uri): Manga? {
+	private suspend fun resolveExternalLink(uri: Uri): Manga? {
 		dataRepository.findMangaByPublicUrl(uri.toString())?.let {
 			return it
 		}
@@ -58,7 +59,7 @@ class MangaLinkResolver @Inject constructor(
 
 	private suspend fun MangaRepository.findExact(url: String?, title: String?): Manga? {
 		if (!title.isNullOrEmpty()) {
-			val list = getList(0, title)
+			val list = getList(0, MangaListFilter.Search(title))
 			if (url != null) {
 				list.find { it.url == url }?.let {
 					return it
@@ -77,7 +78,7 @@ class MangaLinkResolver @Inject constructor(
 			}.ifNullOrEmpty {
 				seed.author
 			} ?: return@runCatchingCancellable null
-			val seedList = getList(0, seedTitle)
+			val seedList = getList(0, MangaListFilter.Search(seedTitle))
 			seedList.first { x -> x.url == url }
 		}.getOrThrow()
 	}

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

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

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

@@ -2,12 +2,15 @@ package org.koitharu.kotatsu.core.parser
 
 import androidx.annotation.AnyThread
 import org.koitharu.kotatsu.core.cache.ContentCache
+import org.koitharu.kotatsu.core.network.MirrorSwitchInterceptor
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import java.lang.ref.WeakReference
@@ -22,11 +25,13 @@ interface MangaRepository {
 
 	val sortOrders: Set<SortOrder>
 
+	val states: Set<MangaState>
+
 	var defaultSortOrder: SortOrder
 
-	suspend fun getList(offset: Int, query: String): List<Manga>
+	val isMultipleTagsSupported: Boolean
 
-	suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga>
+	suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga>
 
 	suspend fun getDetails(manga: Manga): Manga
 
@@ -43,6 +48,7 @@ interface MangaRepository {
 		private val localMangaRepository: LocalMangaRepository,
 		private val loaderContext: MangaLoaderContext,
 		private val contentCache: ContentCache,
+		private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 	) {
 
 		private val cache = EnumMap<MangaSource, WeakReference<RemoteMangaRepository>>(MangaSource::class.java)
@@ -55,7 +61,11 @@ interface MangaRepository {
 			cache[source]?.get()?.let { return it }
 			return synchronized(cache) {
 				cache[source]?.get()?.let { return it }
-				val repository = RemoteMangaRepository(MangaParser(source, loaderContext), contentCache)
+				val repository = RemoteMangaRepository(
+					parser = MangaParser(source, loaderContext),
+					cache = contentCache,
+					mirrorSwitchInterceptor = mirrorSwitchInterceptor,
+				)
 				cache[source] = WeakReference(repository)
 				repository
 			}

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

@@ -13,16 +13,20 @@ import okhttp3.Response
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.cache.ContentCache
 import org.koitharu.kotatsu.core.cache.SafeDeferred
+import org.koitharu.kotatsu.core.network.MirrorSwitchInterceptor
 import org.koitharu.kotatsu.core.prefs.SourceSettings
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.Favicons
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.domain
@@ -31,13 +35,17 @@ import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 class RemoteMangaRepository(
 	private val parser: MangaParser,
 	private val cache: ContentCache,
+	private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 ) : MangaRepository, Interceptor {
 
 	override val source: MangaSource
 		get() = parser.source
 
 	override val sortOrders: Set<SortOrder>
-		get() = parser.sortOrders
+		get() = parser.availableSortOrders
+
+	override val states: Set<MangaState>
+		get() = parser.availableStates
 
 	override var defaultSortOrder: SortOrder
 		get() = getConfig().defaultSortOrder ?: sortOrders.first()
@@ -45,6 +53,9 @@ class RemoteMangaRepository(
 			getConfig().defaultSortOrder = value
 		}
 
+	override val isMultipleTagsSupported: Boolean
+		get() = parser.isMultipleTagsSupported
+
 	var domain: String
 		get() = parser.domain
 		set(value) {
@@ -65,12 +76,10 @@ class RemoteMangaRepository(
 		}
 	}
 
-	override suspend fun getList(offset: Int, query: String): List<Manga> {
-		return parser.getList(offset, query)
-	}
-
-	override suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga> {
-		return parser.getList(offset, tags, sortOrder)
+	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
+		return mirrorSwitchInterceptor.withMirrorSwitching {
+			parser.getList(offset, filter)
+		}
 	}
 
 	override suspend fun getDetails(manga: Manga): Manga = getDetails(manga, withCache = true)
@@ -78,17 +87,25 @@ class RemoteMangaRepository(
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		cache.getPages(source, chapter.url)?.let { return it }
 		val pages = asyncSafe {
-			parser.getPages(chapter).distinctById()
+			mirrorSwitchInterceptor.withMirrorSwitching {
+				parser.getPages(chapter).distinctById()
+			}
 		}
 		cache.putPages(source, chapter.url, pages)
 		return pages.await()
 	}
 
-	override suspend fun getPageUrl(page: MangaPage): String = parser.getPageUrl(page)
+	override suspend fun getPageUrl(page: MangaPage): String = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getPageUrl(page)
+	}
 
-	override suspend fun getTags(): Set<MangaTag> = parser.getTags()
+	override suspend fun getTags(): Set<MangaTag> = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getAvailableTags()
+	}
 
-	suspend fun getFavicons(): Favicons = parser.getFavicons()
+	suspend fun getFavicons(): Favicons = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getFavicons()
+	}
 
 	override suspend fun getRelated(seed: Manga): List<Manga> {
 		cache.getRelatedManga(source, seed.url)?.let { return it }
@@ -105,14 +122,20 @@ class RemoteMangaRepository(
 		}
 		cache.getDetails(source, manga.url)?.let { return it }
 		val details = asyncSafe {
-			parser.getDetails(manga)
+			mirrorSwitchInterceptor.withMirrorSwitching {
+				parser.getDetails(manga)
+			}
 		}
 		cache.putDetails(source, manga.url, details)
 		return details.await()
 	}
 
+	suspend fun peekDetails(manga: Manga): Manga? {
+		return cache.getDetails(source, manga.url)
+	}
+
 	suspend fun find(manga: Manga): Manga? {
-		val list = getList(0, manga.title)
+		val list = getList(0, MangaListFilter.Search(manga.title))
 		return list.find { x -> x.id == manga.id }
 	}
 
@@ -155,4 +178,33 @@ class RemoteMangaRepository(
 		}
 		return result
 	}
+
+	private suspend fun <R> MirrorSwitchInterceptor.withMirrorSwitching(block: suspend () -> R): R {
+		if (!isEnabled) {
+			return block()
+		}
+		val initialMirror = domain
+		val result = runCatchingCancellable {
+			block()
+		}
+		if (result.isValidResult()) {
+			return result.getOrThrow()
+		}
+		return if (trySwitchMirror(this@RemoteMangaRepository)) {
+			val newResult = runCatchingCancellable {
+				block()
+			}
+			if (newResult.isValidResult()) {
+				return newResult.getOrThrow()
+			} else {
+				rollback(this@RemoteMangaRepository, initialMirror)
+				return result.getOrThrow()
+			}
+		} else {
+			result.getOrThrow()
+		}
+	}
+
+	private fun Result<*>.isValidResult() = exceptionOrNull() !is ParseException
+		&& (getOrNull() as? Collection<*>)?.isEmpty() != true
 }

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

@@ -22,8 +22,10 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
+import org.koitharu.kotatsu.explore.data.SourcesSortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.util.find
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import java.io.File
@@ -43,7 +45,8 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE, value) }
 
 	val theme: Int
-		get() = prefs.getString(KEY_THEME, null)?.toIntOrNull() ?: AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+		get() = prefs.getString(KEY_THEME, null)?.toIntOrNull()
+			?: AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
 
 	val colorScheme: ColorScheme
 		get() = prefs.getEnumValue(KEY_COLOR_THEME, ColorScheme.default)
@@ -51,13 +54,37 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isAmoledTheme: Boolean
 		get() = prefs.getBoolean(KEY_THEME_AMOLED, false)
 
-	val isFavoritesNavItemFirst: Boolean
-		get() = (prefs.getString(KEY_FIRST_NAV_ITEM, null)?.toIntOrNull() ?: 0) == 1
+	var mainNavItems: List<NavItem>
+		get() {
+			val raw = prefs.getString(KEY_NAV_MAIN, null)?.split(',')
+			return if (raw.isNullOrEmpty()) {
+				listOf(NavItem.HISTORY, NavItem.FAVORITES, NavItem.EXPLORE, NavItem.FEED)
+			} else {
+				raw.mapNotNull { x -> NavItem.entries.find(x) }.ifEmpty { listOf(NavItem.EXPLORE) }
+			}
+		}
+		set(value) {
+			prefs.edit {
+				putString(KEY_NAV_MAIN, value.joinToString(",") { it.name })
+			}
+		}
 
 	var gridSize: Int
 		get() = prefs.getInt(KEY_GRID_SIZE, 100)
 		set(value) = prefs.edit { putInt(KEY_GRID_SIZE, value) }
 
+	var historyListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_HISTORY, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_HISTORY, value) }
+
+	var suggestionsListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_SUGGESTIONS, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_SUGGESTIONS, value) }
+
+	var favoritesListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_FAVORITES, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_FAVORITES, value) }
+
 	var isNsfwContentDisabled: Boolean
 		get() = prefs.getBoolean(KEY_DISABLE_NSFW, false)
 		set(value) = prefs.edit { putBoolean(KEY_DISABLE_NSFW, value) }
@@ -76,9 +103,15 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val readerPageSwitch: Set<String>
 		get() = prefs.getStringSet(KEY_READER_SWITCHERS, null) ?: setOf(PAGE_SWITCH_TAPS)
 
+	val isReaderZoomButtonsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_ZOOM_BUTTONS, false)
+
 	val isReaderTapsAdaptive: Boolean
 		get() = !prefs.getBoolean(KEY_READER_TAPS_LTR, false)
 
+	val isReaderOptimizationEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_OPTIMIZE, false)
+
 	var isTrafficWarningEnabled: Boolean
 		get() = prefs.getBoolean(KEY_TRAFFIC_WARNING, true)
 		set(value) = prefs.edit { putBoolean(KEY_TRAFFIC_WARNING, value) }
@@ -145,7 +178,11 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 
 	var appPassword: String?
 		get() = prefs.getString(KEY_APP_PASSWORD, null)
-		set(value) = prefs.edit { if (value != null) putString(KEY_APP_PASSWORD, value) else remove(KEY_APP_PASSWORD) }
+		set(value) = prefs.edit {
+			if (value != null) putString(KEY_APP_PASSWORD, value) else remove(
+				KEY_APP_PASSWORD,
+			)
+		}
 
 	val isLoggingEnabled: Boolean
 		get() = prefs.getBoolean(KEY_LOGGING_ENABLED, false)
@@ -155,7 +192,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		set(value) = prefs.edit { putBoolean(KEY_PROTECT_APP_BIOMETRIC, value) }
 
 	val isMirrorSwitchingAvailable: Boolean
-		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, true)
+		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, false)
 
 	val isExitConfirmationEnabled: Boolean
 		get() = prefs.getBoolean(KEY_EXIT_CONFIRM, false)
@@ -171,14 +208,22 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			if (isBackgroundNetworkRestricted()) {
 				return false
 			}
-			val policy = NetworkPolicy.from(prefs.getString(KEY_PREFETCH_CONTENT, null), NetworkPolicy.NEVER)
+			val policy =
+				NetworkPolicy.from(prefs.getString(KEY_PREFETCH_CONTENT, null), NetworkPolicy.NEVER)
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
+	var sourcesSortOrder: SourcesSortOrder
+		get() = prefs.getEnumValue(KEY_SOURCES_ORDER, SourcesSortOrder.MANUAL)
+		set(value) = prefs.edit { putEnumValue(KEY_SOURCES_ORDER, value) }
+
 	var isSourcesGridMode: Boolean
 		get() = prefs.getBoolean(KEY_SOURCES_GRID, false)
 		set(value) = prefs.edit { putBoolean(KEY_SOURCES_GRID, value) }
 
+	val isNewSourcesTipEnabled: Boolean
+		get() = prefs.getBoolean(KEY_SOURCES_NEW, true)
+
 	val isPagesNumbersEnabled: Boolean
 		get() = prefs.getBoolean(KEY_PAGES_NUMBERS, false)
 
@@ -248,6 +293,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isReaderSliderEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_SLIDER, true)
 
+	val isReaderKeepScreenOn: Boolean
+		get() = prefs.getBoolean(KEY_READER_SCREEN_ON, true)
+
 	val isImagesProxyEnabled: Boolean
 		get() = prefs.getBoolean(KEY_IMAGES_PROXY, false)
 
@@ -279,8 +327,8 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getEnumValue(KEY_LOCAL_LIST_ORDER, SortOrder.NEWEST)
 		set(value) = prefs.edit { putEnumValue(KEY_LOCAL_LIST_ORDER, value) }
 
-	var historySortOrder: HistoryOrder
-		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, HistoryOrder.UPDATED)
+	var historySortOrder: ListSortOrder
+		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, ListSortOrder.UPDATED)
 		set(value) = prefs.edit { putEnumValue(KEY_HISTORY_ORDER, value) }
 
 	val isRelatedMangaEnabled: Boolean
@@ -292,17 +340,38 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	@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) }
+		set(@FloatRange(from = 0.0, to = 1.0) value) = prefs.edit {
+			putFloat(
+				KEY_READER_AUTOSCROLL_SPEED,
+				value,
+			)
+		}
 
 	val isPagesPreloadEnabled: Boolean
 		get() {
 			if (isBackgroundNetworkRestricted()) {
 				return false
 			}
-			val policy = NetworkPolicy.from(prefs.getString(KEY_PAGES_PRELOAD, null), NetworkPolicy.NON_METERED)
+			val policy = NetworkPolicy.from(
+				prefs.getString(KEY_PAGES_PRELOAD, null),
+				NetworkPolicy.NON_METERED,
+			)
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
+	val is32BitColorsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_32BIT_COLOR, false)
+
+	val isPeriodicalBackupEnabled: Boolean
+		get() = prefs.getBoolean(KEY_BACKUP_PERIODICAL_ENABLED, false)
+
+	val periodicalBackupFrequency: Long
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_FREQUENCY, null)?.toLongOrNull() ?: 7L
+
+	var periodicalBackupOutput: Uri?
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_OUTPUT, null)?.toUriOrNull()
+		set(value) = prefs.edit { putString(KEY_BACKUP_PERIODICAL_OUTPUT, value?.toString()) }
+
 	fun isTipEnabled(tip: String): Boolean {
 		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
 	}
@@ -368,6 +437,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val TRACK_FAVOURITES = "favourites"
 
 		const val KEY_LIST_MODE = "list_mode_2"
+		const val KEY_LIST_MODE_HISTORY = "list_mode_history"
+		const val KEY_LIST_MODE_FAVORITES = "list_mode_favorites"
+		const val KEY_LIST_MODE_SUGGESTIONS = "list_mode_suggestions"
 		const val KEY_THEME = "theme"
 		const val KEY_COLOR_THEME = "color_theme"
 		const val KEY_THEME_AMOLED = "amoled_theme"
@@ -382,6 +454,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_REMOTE_SOURCES = "remote_sources"
 		const val KEY_LOCAL_STORAGE = "local_storage"
 		const val KEY_READER_SWITCHERS = "reader_switchers"
+		const val KEY_READER_ZOOM_BUTTONS = "reader_zoom_buttons"
 		const val KEY_TRACKER_ENABLED = "tracker_enabled"
 		const val KEY_TRACKER_WIFI_ONLY = "tracker_wifi"
 		const val KEY_TRACK_SOURCES = "track_sources"
@@ -403,6 +476,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_ZOOM_MODE = "zoom_mode"
 		const val KEY_BACKUP = "backup"
 		const val KEY_RESTORE = "restore"
+		const val KEY_BACKUP_PERIODICAL_ENABLED = "backup_periodic"
+		const val KEY_BACKUP_PERIODICAL_FREQUENCY = "backup_periodic_freq"
+		const val KEY_BACKUP_PERIODICAL_OUTPUT = "backup_periodic_output"
+		const val KEY_BACKUP_PERIODICAL_LAST = "backup_periodic_last"
 		const val KEY_HISTORY_GROUPING = "history_grouping"
 		const val KEY_READING_INDICATORS = "reading_indicators"
 		const val KEY_REVERSE_CHAPTERS = "reverse_chapters"
@@ -429,8 +506,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_READER_BAR = "reader_bar"
 		const val KEY_READER_SLIDER = "reader_slider"
 		const val KEY_READER_BACKGROUND = "reader_background"
+		const val KEY_READER_SCREEN_ON = "reader_screen_on"
 		const val KEY_SHORTCUTS = "dynamic_shortcuts"
 		const val KEY_READER_TAPS_LTR = "reader_taps_ltr"
+		const val KEY_READER_OPTIMIZE = "reader_optimize"
 		const val KEY_LOCAL_LIST_ORDER = "local_order"
 		const val KEY_HISTORY_ORDER = "history_order"
 		const val KEY_WEBTOON_ZOOM = "webtoon_zoom"
@@ -439,6 +518,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOGGING_ENABLED = "logging"
 		const val KEY_LOGS_SHARE = "logs_share"
 		const val KEY_SOURCES_GRID = "sources_grid"
+		const val KEY_SOURCES_NEW = "sources_new"
 		const val KEY_UPDATES_UNSTABLE = "updates_unstable"
 		const val KEY_TIPS_CLOSED = "tips_closed"
 		const val KEY_SSL_BYPASS = "ssl_bypass"
@@ -455,7 +535,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOCAL_MANGA_DIRS = "local_manga_dirs"
 		const val KEY_DISABLE_NSFW = "no_nsfw"
 		const val KEY_RELATED_MANGA = "related_manga"
-		const val KEY_FIRST_NAV_ITEM = "nav_first"
+		const val KEY_NAV_MAIN = "nav_main"
+		const val KEY_32BIT_COLOR = "enhanced_colors"
+		const val KEY_SOURCES_ORDER = "sources_sort_order"
+		const val KEY_SOURCES_CATALOG = "sources_catalog"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

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

@@ -0,0 +1,33 @@
+package org.koitharu.kotatsu.core.prefs
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.IdRes
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.list.ui.model.ListModel
+
+enum class NavItem(
+	@IdRes val id: Int,
+	@StringRes val title: Int,
+	@DrawableRes val icon: Int,
+) : ListModel {
+
+	HISTORY(R.id.nav_history, R.string.history, R.drawable.ic_history_selector),
+	FAVORITES(R.id.nav_favorites, R.string.favourites, R.drawable.ic_favourites_selector),
+	LOCAL(R.id.nav_local, R.string.on_device, R.drawable.ic_storage_selector),
+	EXPLORE(R.id.nav_explore, R.string.explore, R.drawable.ic_explore_selector),
+	SUGGESTIONS(R.id.nav_suggestions, R.string.suggestions, R.drawable.ic_suggestion_selector),
+	FEED(R.id.nav_feed, R.string.feed, R.drawable.ic_feed_selector),
+	BOOKMARKS(R.id.nav_bookmarks, R.string.bookmarks, R.drawable.ic_bookmark_selector),
+	;
+
+	override fun areItemsTheSame(other: ListModel): Boolean {
+		return other is NavItem && ordinal == other.ordinal
+	}
+
+	fun isAvailable(settings: AppSettings): Boolean = when (this) {
+		SUGGESTIONS -> settings.isSuggestionsEnabled
+		FEED -> settings.isTrackerEnabled
+		else -> true
+	}
+}

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

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

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

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

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

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

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

@@ -19,13 +19,13 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.content.ContextCompat
 import androidx.core.content.withStyledAttributes
 import androidx.core.view.GravityCompat
+import androidx.core.view.ancestors
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.isLayoutReversed
-import org.koitharu.kotatsu.core.util.ext.parents
 import org.koitharu.kotatsu.databinding.FastScrollerBinding
 import kotlin.math.roundToInt
 import com.google.android.material.R as materialR
@@ -522,7 +522,7 @@ class FastScroller @JvmOverloads constructor(
 		return BubbleSize.entries.getOrNull(ordinal) ?: defaultValue
 	}
 
-	private fun findValidParent(view: View): ViewGroup? = view.parents.firstNotNullOfOrNull { p ->
+	private fun findValidParent(view: View): ViewGroup? = view.ancestors.firstNotNullOfOrNull { p ->
 		if (p is FrameLayout || p is ConstraintLayout || p is CoordinatorLayout || p is RelativeLayout) {
 			p as ViewGroup
 		} else {

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -5,6 +5,7 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.MotionEvent
 import androidx.viewpager.widget.ViewPager
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 
 @SuppressLint("ClickableViewAccessibility")
 class EnhancedViewPager @JvmOverloads constructor(
@@ -25,6 +26,11 @@ class EnhancedViewPager @JvmOverloads constructor(
 	}
 
 	override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
-		return isUserInputEnabled && super.onInterceptTouchEvent(event)
+		return try {
+			isUserInputEnabled && super.onInterceptTouchEvent(event)
+		} catch (e: IllegalArgumentException) {
+			e.printStackTraceDebug()
+			false
+		}
 	}
 }

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

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

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

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

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

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

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

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

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

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.core.util
+
+import androidx.core.os.LocaleListCompat
+import org.koitharu.kotatsu.core.util.ext.map
+import java.util.Locale
+
+class LocaleComparator : Comparator<Locale?> {
+
+	private val deviceLocales = LocaleListCompat.getAdjustedDefault()//LocaleManagerCompat.getSystemLocales(context)
+		.map { it.language }
+		.distinct()
+
+	override fun compare(a: Locale?, b: Locale?): Int {
+		return if (a === b) {
+			0
+		} else {
+			val indexA = if (a == null) -1 else deviceLocales.indexOf(a.language)
+			val indexB = if (b == null) -1 else deviceLocales.indexOf(b.language)
+			if (indexA < 0 && indexB < 0) {
+				compareValues(a?.language, b?.language)
+			} else {
+				-2 - (indexA - indexB)
+			}
+		}
+	}
+}

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

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

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

@@ -15,6 +15,7 @@ class ViewBadge(
 ) : View.OnLayoutChangeListener, DefaultLifecycleObserver {
 
 	private var badgeDrawable: BadgeDrawable? = null
+	private var maxCharacterCount: Int = -1
 
 	var counter: Int
 		get() = badgeDrawable?.number ?: 0
@@ -48,8 +49,16 @@ class ViewBadge(
 		clearBadge()
 	}
 
+	fun setMaxCharacterCount(value: Int) {
+		maxCharacterCount = value
+		badgeDrawable?.maxCharacterCount = value
+	}
+
 	private fun initBadge(): BadgeDrawable {
 		val badge = BadgeDrawable.create(anchor.context)
+		if (maxCharacterCount > 0) {
+			badge.maxCharacterCount = maxCharacterCount
+		}
 		anchor.addOnLayoutChangeListener(this)
 		BadgeUtils.attachBadgeDrawable(badge, anchor)
 		badgeDrawable = badge

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

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

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

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

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

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

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

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

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

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

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

@@ -5,6 +5,8 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onCompletion
@@ -24,6 +26,17 @@ fun <T> Flow<T>.onFirst(action: suspend (T) -> Unit): Flow<T> {
 	}
 }
 
+fun <T> Flow<T>.onEachWhile(action: suspend (T) -> Boolean): Flow<T> {
+	var isCalled = false
+	return onEach {
+		if (!isCalled) {
+			isCalled = action(it)
+		}
+	}.onCompletion {
+		isCalled = false
+	}
+}
+
 inline fun <T, R> Flow<List<T>>.mapItems(crossinline transform: (T) -> R): Flow<List<R>> {
 	return map { list -> list.map(transform) }
 }
@@ -72,7 +85,7 @@ fun <T1, T2, T3, T4, T5, T6, R> combine(
 	flow4: Flow<T4>,
 	flow5: Flow<T5>,
 	flow6: Flow<T6>,
-	transform: suspend (T1, T2, T3, T4, T5, T6) -> R
+	transform: suspend (T1, T2, T3, T4, T5, T6) -> R,
 ): Flow<R> = combine(flow, flow2, flow3, flow4, flow5, flow6) { args: Array<*> ->
 	transform(
 		args[0] as T1,
@@ -83,3 +96,7 @@ fun <T1, T2, T3, T4, T5, T6, R> combine(
 		args[5] as T6,
 	)
 }
+
+suspend fun <T : Any> Flow<T?>.firstNotNull(): T = checkNotNull(first { x -> x != null })
+
+suspend fun <T : Any> Flow<T?>.firstNotNullOrNull(): T? = firstOrNull { x -> x != null }

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

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

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

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

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

@@ -27,7 +27,10 @@ import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 
 private const val MSG_NO_SPACE_LEFT = "No space left on device"
-private const val IMAGE_FORMAT_NO_SUPPORTED = "Image format not supported"
+private const val IMAGE_FORMAT_NOT_SUPPORTED = "Image format not supported"
+private const val MULTIPLE_GENRES_NOT_SUPPORTED = "Multiple genres are not supported by this source"
+private const val MULTIPLE_STATES_NOT_SUPPORTED = "Multiple states are not supported by this source"
+private const val SEARCH_NOT_SUPPORTED = "Search is not supported by this source"
 
 fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is AuthRequiredException -> resources.getString(R.string.auth_required)
@@ -56,8 +59,7 @@ fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is HttpException -> getHttpDisplayMessage(response.code, resources)
 	is HttpStatusException -> getHttpDisplayMessage(statusCode, resources)
 
-	is IOException -> getDisplayMessage(message, resources) ?: localizedMessage
-	else -> localizedMessage
+	else -> getDisplayMessage(message, resources) ?: localizedMessage
 }.ifNullOrEmpty {
 	resources.getString(R.string.error_occurred)
 }
@@ -82,7 +84,10 @@ private fun getHttpDisplayMessage(statusCode: Int, resources: Resources): String
 private fun getDisplayMessage(msg: String?, resources: Resources): String? = when {
 	msg.isNullOrEmpty() -> null
 	msg.contains(MSG_NO_SPACE_LEFT) -> resources.getString(R.string.error_no_space_left)
-	msg.contains(IMAGE_FORMAT_NO_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
+	msg.contains(IMAGE_FORMAT_NOT_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
+	msg == MULTIPLE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_genres_not_supported)
+	msg == MULTIPLE_STATES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_states_not_supported)
+	msg == SEARCH_NOT_SUPPORTED -> resources.getString(R.string.error_search_not_supported)
 	else -> null
 }
 

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

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

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

@@ -2,16 +2,19 @@ package org.koitharu.kotatsu.core.util.ext
 
 import android.app.Activity
 import android.graphics.Rect
+import android.os.Build
 import android.view.View
 import android.view.View.MeasureSpec
 import android.view.ViewGroup
-import android.view.ViewParent
 import android.view.inputmethod.InputMethodManager
 import android.widget.Checkable
-import android.widget.CompoundButton
 import androidx.core.view.children
+import androidx.core.view.descendants
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
 import androidx.viewpager2.widget.ViewPager2
+import com.google.android.material.progressindicator.BaseProgressIndicator
 import com.google.android.material.slider.Slider
 import com.google.android.material.tabs.TabLayout
 import kotlin.math.roundToInt
@@ -66,6 +69,10 @@ inline fun ViewPager2.doOnPageChanged(crossinline callback: (Int) -> Unit) {
 val ViewPager2.recyclerView: RecyclerView?
 	get() = children.firstNotNullOfOrNull { it as? RecyclerView }
 
+fun ViewPager2.findCurrentViewHolder(): ViewHolder? {
+	return recyclerView?.findViewHolderForAdapterPosition(currentItem)
+}
+
 fun View.resetTransformations() {
 	alpha = 1f
 	translationX = 0f
@@ -88,23 +95,8 @@ fun Slider.setValueRounded(newValue: Float) {
 	value = roundedValue.coerceIn(valueFrom, valueTo)
 }
 
-fun <T : View> ViewGroup.findViewsByType(clazz: Class<T>): Sequence<T> {
-	if (childCount == 0) {
-		return emptySequence()
-	}
-	return sequence {
-		for (view in children) {
-			if (clazz.isInstance(view)) {
-				yield(clazz.cast(view)!!)
-			} else if (view is ViewGroup && view.childCount != 0) {
-				yieldAll(view.findViewsByType(clazz))
-			}
-		}
-	}
-}
-
 fun RecyclerView.invalidateNestedItemDecorations() {
-	findViewsByType(RecyclerView::class.java).forEach {
+	descendants.filterIsInstance<RecyclerView>().forEach {
 		it.invalidateItemDecorations()
 	}
 }
@@ -112,15 +104,6 @@ fun RecyclerView.invalidateNestedItemDecorations() {
 val View.parentView: ViewGroup?
 	get() = parent as? ViewGroup
 
-val View.parents: Sequence<ViewParent>
-	get() = sequence {
-		var p: ViewParent? = parent
-		while (p != null) {
-			yield(p)
-			p = p.parent
-		}
-	}
-
 fun View.measureDimension(desiredSize: Int, measureSpec: Int): Int {
 	var result: Int
 	val specMode = MeasureSpec.getMode(measureSpec)
@@ -155,3 +138,17 @@ fun TabLayout.setTabsEnabled(enabled: Boolean) {
 		getTabAt(i)?.view?.isEnabled = enabled
 	}
 }
+
+fun BaseProgressIndicator<*>.showOrHide(value: Boolean) {
+	if (value) {
+		if (!isVisible) show()
+	} else {
+		if (isVisible) hide()
+	}
+}
+
+fun View.setOnContextClickListenerCompat(listener: View.OnLongClickListener) {
+	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+		setOnContextClickListener(listener::onLongClick)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/zip/ZipPool.kt

@@ -1,32 +0,0 @@
-package org.koitharu.kotatsu.core.zip
-
-import android.net.Uri
-import androidx.annotation.WorkerThread
-import androidx.collection.LruCache
-import okhttp3.internal.closeQuietly
-import okio.Source
-import okio.source
-import java.io.File
-import java.util.zip.ZipFile
-
-class ZipPool(maxSize: Int) : LruCache<String, ZipFile>(maxSize) {
-
-	override fun entryRemoved(evicted: Boolean, key: String, oldValue: ZipFile, newValue: ZipFile?) {
-		super.entryRemoved(evicted, key, oldValue, newValue)
-		oldValue.closeQuietly()
-	}
-
-	override fun create(key: String): ZipFile {
-		return ZipFile(File(key), ZipFile.OPEN_READ)
-	}
-
-	@Synchronized
-	@WorkerThread
-	operator fun get(uri: Uri): Source {
-		val zip = requireNotNull(get(uri.schemeSpecificPart)) {
-			"Cannot obtain zip by \"$uri\""
-		}
-		val entry = zip.getEntry(uri.fragment)
-		return zip.getInputStream(entry).source()
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/details/data/MangaDetails.kt

@@ -0,0 +1,43 @@
+package org.koitharu.kotatsu.details.data
+
+import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.local.domain.model.LocalManga
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.reader.data.filterChapters
+
+data class MangaDetails(
+	private val manga: Manga,
+	private val localManga: LocalManga?,
+	val description: CharSequence?,
+	val isLoaded: Boolean,
+) {
+
+	val id: Long
+		get() = manga.id
+
+	val chapters: Map<String?, List<MangaChapter>> = manga.chapters?.groupBy { it.branch }.orEmpty()
+
+	val branches: Set<String?>
+		get() = chapters.keys
+
+	val allChapters: List<MangaChapter>
+		get() = manga.chapters.orEmpty()
+
+	val isLocal
+		get() = manga.isLocal
+
+	val local: LocalManga?
+		get() = localManga ?: if (manga.isLocal) LocalManga(manga) else null
+
+	fun toManga() = manga
+
+	fun filterChapters(branch: String?) = MangaDetails(
+		manga = manga.filterChapters(branch),
+		localManga = localManga?.run {
+			copy(manga = manga.filterChapters(branch))
+		},
+		description = description,
+		isLoaded = isLoaded,
+	)
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DetailsInteractor.kt

@@ -8,7 +8,7 @@ import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsFlow
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
@@ -20,7 +20,7 @@ import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingInfo
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import javax.inject.Inject
 
-@Deprecated("")
+/* TODO: remove */
 class DetailsInteractor @Inject constructor(
 	private val historyRepository: HistoryRepository,
 	private val favouritesRepository: FavouritesRepository,
@@ -66,15 +66,26 @@ class DetailsInteractor @Inject constructor(
 			}
 	}
 
-	suspend fun updateLocal(subject: DoubleManga?, localManga: LocalManga): DoubleManga? {
-		return if (subject?.any?.id == localManga.manga.id) {
-			subject.copy(
-				localManga = runCatchingCancellable {
-					localMangaRepository.getDetails(localManga.manga)
-				},
-			)
+	suspend fun updateLocal(subject: MangaDetails?, localManga: LocalManga): MangaDetails? {
+		subject ?: return null
+		return if (subject.id == localManga.manga.id) {
+			if (subject.isLocal) {
+				subject.copy(
+					manga = localManga.manga,
+				)
+			} else {
+				subject.copy(
+					localManga = runCatchingCancellable {
+						localManga.copy(
+							manga = localMangaRepository.getDetails(localManga.manga),
+						)
+					}.getOrNull() ?: subject.local,
+				)
+			}
 		} else {
 			subject
 		}
 	}
+
+	suspend fun findRemote(seed: Manga) = localMangaRepository.getRemoteManga(seed)
 }

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DetailsLoadUseCase.kt

@@ -0,0 +1,92 @@
+package org.koitharu.kotatsu.details.domain
+
+import android.text.Html
+import android.text.SpannableString
+import android.text.Spanned
+import android.text.style.ForegroundColorSpan
+import androidx.core.text.getSpans
+import androidx.core.text.parseAsHtml
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.runInterruptible
+import okio.IOException
+import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.parser.MangaIntent
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.core.util.ext.peek
+import org.koitharu.kotatsu.core.util.ext.sanitize
+import org.koitharu.kotatsu.details.data.MangaDetails
+import org.koitharu.kotatsu.explore.domain.RecoverMangaUseCase
+import org.koitharu.kotatsu.local.data.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.exception.NotFoundException
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.util.recoverNotNull
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import javax.inject.Inject
+
+class DetailsLoadUseCase @Inject constructor(
+	private val mangaDataRepository: MangaDataRepository,
+	private val localMangaRepository: LocalMangaRepository,
+	private val mangaRepositoryFactory: MangaRepository.Factory,
+	private val recoverUseCase: RecoverMangaUseCase,
+	private val imageGetter: Html.ImageGetter,
+) {
+
+	operator fun invoke(intent: MangaIntent): Flow<MangaDetails> = channelFlow {
+		val manga = requireNotNull(mangaDataRepository.resolveIntent(intent)) {
+			"Cannot resolve intent $intent"
+		}
+		val local = if (!manga.isLocal) {
+			async {
+				localMangaRepository.findSavedManga(manga)
+			}
+		} else {
+			null
+		}
+		send(MangaDetails(manga, null, null, false))
+		try {
+			val details = getDetails(manga)
+			send(MangaDetails(details, local?.peek(), details.description?.parseAsHtml(withImages = false), false))
+			send(MangaDetails(details, local?.await(), details.description?.parseAsHtml(withImages = true), true))
+		} catch (e: IOException) {
+			local?.await()?.manga?.also { localManga ->
+				send(MangaDetails(localManga, null, localManga.description?.parseAsHtml(withImages = false), true))
+			} ?: throw e
+		}
+	}
+
+	private suspend fun getDetails(seed: Manga) = runCatchingCancellable {
+		val repository = mangaRepositoryFactory.create(seed.source)
+		repository.getDetails(seed)
+	}.recoverNotNull { e ->
+		if (e is NotFoundException) {
+			recoverUseCase(seed)
+		} else {
+			null
+		}
+	}.getOrThrow()
+
+	private suspend fun String.parseAsHtml(withImages: Boolean): CharSequence? {
+		return if (withImages) {
+			runInterruptible(Dispatchers.IO) {
+				parseAsHtml(imageGetter = imageGetter)
+			}.filterSpans()
+		} else {
+			runInterruptible(Dispatchers.Default) {
+				parseAsHtml()
+			}.filterSpans().sanitize()
+		}.takeUnless { it.isBlank() }
+	}
+
+	private fun Spanned.filterSpans(): Spanned {
+		val spannable = SpannableString.valueOf(this)
+		val spans = spannable.getSpans<ForegroundColorSpan>()
+		for (span in spans) {
+			spannable.removeSpan(span)
+		}
+		return spannable
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DoubleMangaLoadUseCase.kt

@@ -1,74 +0,0 @@
-package org.koitharu.kotatsu.details.domain
-
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import kotlinx.coroutines.coroutineScope
-import org.koitharu.kotatsu.core.model.isLocal
-import org.koitharu.kotatsu.core.parser.MangaDataRepository
-import org.koitharu.kotatsu.core.parser.MangaIntent
-import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
-import org.koitharu.kotatsu.explore.domain.RecoverMangaUseCase
-import org.koitharu.kotatsu.local.data.LocalMangaRepository
-import org.koitharu.kotatsu.parsers.exception.NotFoundException
-import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.util.recoverNotNull
-import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import javax.inject.Inject
-
-class DoubleMangaLoadUseCase @Inject constructor(
-	private val mangaDataRepository: MangaDataRepository,
-	private val localMangaRepository: LocalMangaRepository,
-	private val mangaRepositoryFactory: MangaRepository.Factory,
-	private val recoverUseCase: RecoverMangaUseCase,
-) {
-
-	suspend operator fun invoke(manga: Manga): DoubleManga = coroutineScope {
-		val remoteDeferred = async(Dispatchers.Default) { loadRemote(manga) }
-		val localDeferred = async(Dispatchers.Default) { loadLocal(manga) }
-		DoubleManga(
-			remoteManga = remoteDeferred.await(),
-			localManga = localDeferred.await(),
-		)
-	}
-
-	suspend operator fun invoke(mangaId: Long): DoubleManga {
-		val manga = mangaDataRepository.findMangaById(mangaId) ?: throwNFE()
-		return invoke(manga)
-	}
-
-	suspend operator fun invoke(intent: MangaIntent): DoubleManga {
-		val manga = mangaDataRepository.resolveIntent(intent) ?: throwNFE()
-		return invoke(manga)
-	}
-
-	private suspend fun loadLocal(manga: Manga): Result<Manga>? {
-		return runCatchingCancellable {
-			if (manga.isLocal) {
-				localMangaRepository.getDetails(manga)
-			} else {
-				localMangaRepository.findSavedManga(manga)?.manga
-			} ?: return null
-		}
-	}
-
-	private suspend fun loadRemote(manga: Manga): Result<Manga>? {
-		return runCatchingCancellable {
-			val seed = if (manga.isLocal) {
-				localMangaRepository.getRemoteManga(manga)
-			} else {
-				manga
-			} ?: return null
-			val repository = mangaRepositoryFactory.create(seed.source)
-			repository.getDetails(seed)
-		}.recoverNotNull { e ->
-			if (e is NotFoundException) {
-				recoverUseCase(manga)
-			} else {
-				null
-			}
-		}
-	}
-
-	private fun throwNFE(): Nothing = throw NotFoundException("Cannot find manga", "")
-}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/ProgressUpdateUseCase.kt

@@ -0,0 +1,60 @@
+package org.koitharu.kotatsu.details.domain
+
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.core.model.findChapter
+import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.core.os.NetworkState
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.history.data.PROGRESS_NONE
+import org.koitharu.kotatsu.local.data.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import javax.inject.Inject
+
+class ProgressUpdateUseCase @Inject constructor(
+	private val mangaRepositoryFactory: MangaRepository.Factory,
+	private val database: MangaDatabase,
+	private val localMangaRepository: LocalMangaRepository,
+	private val networkState: NetworkState,
+) {
+
+	suspend operator fun invoke(manga: Manga): Float {
+		val history = database.getHistoryDao().find(manga.id) ?: return PROGRESS_NONE
+		val seed = if (manga.isLocal) {
+			localMangaRepository.getRemoteManga(manga) ?: manga
+		} else {
+			manga
+		}
+		if (!seed.isLocal && !networkState.value) {
+			return PROGRESS_NONE
+		}
+		val repo = mangaRepositoryFactory.create(seed.source)
+		val details = if (manga.source != seed.source || seed.chapters.isNullOrEmpty()) {
+			repo.getDetails(seed)
+		} else {
+			seed
+		}
+		val chapter = details.findChapter(history.chapterId) ?: return PROGRESS_NONE
+		val chapters = details.getChapters(chapter.branch) ?: return PROGRESS_NONE
+		val chaptersCount = chapters.size
+		if (chaptersCount == 0) {
+			return PROGRESS_NONE
+		}
+		val chapterIndex = chapters.indexOfFirst { x -> x.id == history.chapterId }
+		val pagesCount = repo.getPages(chapter).size
+		if (pagesCount == 0) {
+			return PROGRESS_NONE
+		}
+		val pagePercent = (history.page + 1) / pagesCount.toFloat()
+		val ppc = 1f / chaptersCount
+		val result = ppc * chapterIndex + ppc * pagePercent
+		if (result != history.percent) {
+			database.getHistoryDao().update(
+				history.copy(
+					chapterId = chapter.id,
+					percent = result,
+				),
+			)
+		}
+		return result
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/model/DoubleManga.kt

@@ -1,76 +0,0 @@
-package org.koitharu.kotatsu.details.domain.model
-
-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.reader.data.filterChapters
-
-data class DoubleManga(
-	private val remoteManga: Result<Manga>?,
-	private val localManga: Result<Manga>?,
-) {
-
-	constructor(manga: Manga) : this(
-		remoteManga = if (manga.source != MangaSource.LOCAL) Result.success(manga) else null,
-		localManga = if (manga.source == MangaSource.LOCAL) Result.success(manga) else null,
-	)
-
-	val remote: Manga?
-		get() = remoteManga?.getOrNull()
-
-	val local: Manga?
-		get() = localManga?.getOrNull()
-
-	val any: Manga?
-		get() = remote ?: local
-
-	val hasRemote: Boolean
-		get() = remoteManga?.isSuccess == true
-
-	val hasLocal: Boolean
-		get() = localManga?.isSuccess == true
-
-	val chapters: List<MangaChapter>? by lazy(LazyThreadSafetyMode.PUBLICATION) {
-		mergeChapters()
-	}
-
-	fun requireAny(): Manga {
-		val result = remoteManga?.getOrNull() ?: localManga?.getOrNull()
-		if (result != null) {
-			return result
-		}
-		throw (
-			remoteManga?.exceptionOrNull()
-				?: localManga?.exceptionOrNull()
-				?: IllegalStateException("No online either local manga available")
-			)
-	}
-
-	fun filterChapters(branch: String?) = DoubleManga(
-		remoteManga?.map { it.filterChapters(branch) },
-		localManga?.map { it.filterChapters(branch) },
-	)
-
-	private fun mergeChapters(): List<MangaChapter>? {
-		val remoteChapters = remote?.chapters
-		val localChapters = local?.chapters
-		if (localChapters == null && remoteChapters == null) {
-			return null
-		}
-		val localMap = if (!localChapters.isNullOrEmpty()) {
-			localChapters.associateByTo(LinkedHashMap(localChapters.size)) { it.id }
-		} else {
-			null
-		}
-		val result = ArrayList<MangaChapter>(maxOf(remoteChapters?.size ?: 0, localChapters?.size ?: 0))
-		remoteChapters?.forEach { r ->
-			localMap?.remove(r.id)?.let { l ->
-				result.add(l)
-			} ?: result.add(r)
-		}
-		localMap?.values?.let {
-			result.addAll(it)
-		}
-		return result
-	}
-}

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

@@ -5,8 +5,9 @@ import android.content.Intent
 import dagger.hilt.android.AndroidEntryPoint
 import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.core.cache.ContentCache
+import org.koitharu.kotatsu.core.model.findById
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableChapter
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
-import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaChapters
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.ui.CoroutineIntentService
 import org.koitharu.kotatsu.core.util.ext.getParcelableExtraCompat
@@ -34,12 +35,13 @@ class MangaPrefetchService : CoroutineIntentService() {
 	override suspend fun processIntent(startId: Int, intent: Intent) {
 		when (intent.action) {
 			ACTION_PREFETCH_DETAILS -> prefetchDetails(
-				manga = intent.getParcelableExtraCompat<ParcelableManga>(EXTRA_MANGA)?.manga ?: return,
+				manga = intent.getParcelableExtraCompat<ParcelableManga>(EXTRA_MANGA)?.manga
+					?: return,
 			)
 
 			ACTION_PREFETCH_PAGES -> prefetchPages(
-				chapter = intent.getParcelableExtraCompat<ParcelableMangaChapters>(EXTRA_CHAPTER)
-					?.chapters?.singleOrNull() ?: return,
+				chapter = intent.getParcelableExtraCompat<ParcelableChapter>(EXTRA_CHAPTER)?.chapter
+					?: return,
 			)
 
 			ACTION_PREFETCH_LAST -> prefetchLast()
@@ -71,7 +73,7 @@ class MangaPrefetchService : CoroutineIntentService() {
 		val chapter = if (history == null) {
 			chapters.firstOrNull()
 		} else {
-			chapters.find { x -> x.id == history.chapterId } ?: chapters.firstOrNull()
+			chapters.findById(history.chapterId) ?: chapters.firstOrNull()
 		} ?: return
 		runCatchingCancellable { repo.getPages(chapter) }
 	}
@@ -88,7 +90,7 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (!isPrefetchAvailable(context, manga.source)) return
 			val intent = Intent(context, MangaPrefetchService::class.java)
 			intent.action = ACTION_PREFETCH_DETAILS
-			intent.putExtra(EXTRA_MANGA, ParcelableManga(manga, withChapters = false))
+			intent.putExtra(EXTRA_MANGA, ParcelableManga(manga))
 			context.startService(intent)
 		}
 
@@ -96,7 +98,7 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (!isPrefetchAvailable(context, chapter.source)) return
 			val intent = Intent(context, MangaPrefetchService::class.java)
 			intent.action = ACTION_PREFETCH_PAGES
-			intent.putExtra(EXTRA_CHAPTER, ParcelableMangaChapters(listOf(chapter)))
+			intent.putExtra(EXTRA_CHAPTER, ParcelableChapter(chapter))
 			try {
 				context.startService(intent)
 			} catch (e: IllegalStateException) {
@@ -119,7 +121,10 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (context.isPowerSaveMode()) {
 				return false
 			}
-			val entryPoint = EntryPointAccessors.fromApplication(context, PrefetchCompanionEntryPoint::class.java)
+			val entryPoint = EntryPointAccessors.fromApplication(
+				context,
+				PrefetchCompanionEntryPoint::class.java,
+			)
 			return entryPoint.contentCache.isCachingEnabled && entryPoint.settings.isContentPrefetchEnabled
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/ChaptersBottomSheetMediator.kt

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.details.ui
 
+import android.view.InputDevice
+import android.view.MotionEvent
 import android.view.View
 import android.view.View.OnLayoutChangeListener
 import androidx.activity.OnBackPressedCallback
@@ -12,7 +14,7 @@ class ChaptersBottomSheetMediator(
 	private val behavior: BottomSheetBehavior<*>,
 ) : OnBackPressedCallback(false),
 	ActionModeListener,
-	OnLayoutChangeListener {
+	OnLayoutChangeListener, View.OnGenericMotionListener {
 
 	private var lockCounter = 0
 
@@ -55,6 +57,20 @@ class ChaptersBottomSheetMediator(
 		}
 	}
 
+	override fun onGenericMotion(v: View?, event: MotionEvent): Boolean {
+		if (event.source and InputDevice.SOURCE_CLASS_POINTER != 0) {
+			if (event.actionMasked == MotionEvent.ACTION_SCROLL) {
+				if (event.getAxisValue(MotionEvent.AXIS_VSCROLL) < 0f) {
+					behavior.state = BottomSheetBehavior.STATE_COLLAPSED
+				} else {
+					behavior.state = BottomSheetBehavior.STATE_EXPANDED
+				}
+				return true
+			}
+		}
+		return false
+	}
+
 	fun lock() {
 		lockCounter++
 		behavior.isDraggable = lockCounter <= 0

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/ChaptersMapper.kt

@@ -2,33 +2,30 @@ package org.koitharu.kotatsu.details.ui
 
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.core.model.MangaHistory
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.toListItem
-import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
-fun mapChapters(
-	remoteManga: Manga?,
-	localManga: Manga?,
+fun MangaDetails.mapChapters(
 	history: MangaHistory?,
 	newCount: Int,
 	branch: String?,
 	bookmarks: List<Bookmark>,
 ): List<ChapterListItem> {
-	val remoteChapters = remoteManga?.getChapters(branch).orEmpty()
-	val localChapters = localManga?.getChapters(branch).orEmpty()
+	val remoteChapters = chapters[branch].orEmpty()
+	val localChapters = local?.manga?.getChapters(branch).orEmpty()
 	if (remoteChapters.isEmpty() && localChapters.isEmpty()) {
 		return emptyList()
 	}
 	val bookmarked = bookmarks.mapToSet { it.chapterId }
 	val currentId = history?.chapterId ?: 0L
 	val newFrom = if (newCount == 0 || remoteChapters.isEmpty()) Int.MAX_VALUE else remoteChapters.size - newCount
-	val chaptersSize = maxOf(remoteChapters.size, localChapters.size)
-	val ids = buildSet(chaptersSize) {
+	val ids = buildSet(maxOf(remoteChapters.size, localChapters.size)) {
 		remoteChapters.mapTo(this) { it.id }
 		localChapters.mapTo(this) { it.id }
 	}
-	val result = ArrayList<ChapterListItem>(chaptersSize)
+	val result = ArrayList<ChapterListItem>(ids.size)
 	val localMap = if (localChapters.isNotEmpty()) {
 		localChapters.associateByTo(LinkedHashMap(localChapters.size)) { it.id }
 	} else {
@@ -40,7 +37,7 @@ fun mapChapters(
 		if (chapter.id == currentId) {
 			isUnread = true
 		}
-		result += chapter.toListItem(
+		result += (local ?: chapter).toListItem(
 			isCurrent = chapter.id == currentId,
 			isUnread = isUnread,
 			isNew = isUnread && result.size >= newFrom,
@@ -57,7 +54,7 @@ fun mapChapters(
 				isCurrent = chapter.id == currentId,
 				isUnread = isUnread,
 				isNew = false,
-				isDownloaded = remoteManga != null,
+				isDownloaded = !isLocal,
 				isBookmarked = chapter.id in bookmarked,
 			)
 		}

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

@@ -39,7 +39,6 @@ import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.util.MenuInvalidator
-import org.koitharu.kotatsu.core.util.ViewBadge
 import org.koitharu.kotatsu.core.util.ext.doOnExpansionsChanged
 import org.koitharu.kotatsu.core.util.ext.getAnimationDuration
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
@@ -49,6 +48,7 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.setNavigationBarTransparentCompat
 import org.koitharu.kotatsu.core.util.ext.setNavigationIconSafe
+import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ActivityDetailsBinding
 import org.koitharu.kotatsu.details.service.MangaPrefetchService
@@ -74,7 +74,6 @@ class DetailsActivity :
 	@Inject
 	lateinit var appShortcutManager: AppShortcutManager
 
-	private lateinit var viewBadge: ViewBadge
 	private var buttonTip: WeakReference<ButtonTip>? = null
 
 	private val viewModel: DetailsViewModel by viewModels()
@@ -89,8 +88,8 @@ class DetailsActivity :
 		}
 		viewBinding.buttonRead.setOnClickListener(this)
 		viewBinding.buttonRead.setOnLongClickListener(this)
+		viewBinding.buttonRead.setOnContextClickListenerCompat(this)
 		viewBinding.buttonDropdown.setOnClickListener(this)
-		viewBadge = ViewBadge(viewBinding.buttonRead, this)
 
 		if (viewBinding.layoutBottom != null) {
 			val behavior = BottomSheetBehavior.from(checkNotNull(viewBinding.layoutBottom))
@@ -103,6 +102,7 @@ class DetailsActivity :
 			viewBinding.toolbarChapters?.setNavigationOnClickListener {
 				behavior.state = BottomSheetBehavior.STATE_COLLAPSED
 			}
+			viewBinding.toolbarChapters?.setOnGenericMotionListener(bsMediator)
 		} else {
 			chaptersMenuProvider = ChaptersMenuProvider(viewModel, null)
 			addMenuProvider(chaptersMenuProvider)
@@ -110,7 +110,6 @@ class DetailsActivity :
 		onBackPressedDispatcher.addCallback(chaptersMenuProvider)
 
 		viewModel.manga.filterNotNull().observe(this, ::onMangaUpdated)
-		viewModel.newChaptersCount.observe(this, ::onNewChaptersChanged)
 		viewModel.onMangaRemoved.observeEvent(this, ::onMangaRemoved)
 		viewModel.onError.observeEvent(
 			this,
@@ -134,13 +133,21 @@ class DetailsActivity :
 			viewBinding.toolbarChapters?.subtitle = it
 			viewBinding.textViewSubtitle?.textAndVisible = it
 		}
-		viewModel.isChaptersReversed.observe(this, MenuInvalidator(viewBinding.toolbarChapters ?: this))
-		viewModel.favouriteCategories.observe(this, MenuInvalidator(this))
+		viewModel.isChaptersReversed.observe(
+			this,
+			MenuInvalidator(viewBinding.toolbarChapters ?: this),
+		)
+		val menuInvalidator = MenuInvalidator(this)
+		viewModel.favouriteCategories.observe(this, menuInvalidator)
+		viewModel.remoteManga.observe(this, menuInvalidator)
 		viewModel.branches.observe(this) {
 			viewBinding.buttonDropdown.isVisible = it.size > 1
 		}
 		viewModel.chapters.observe(this, PrefetchObserver(this))
-		viewModel.onDownloadStarted.observeEvent(this, DownloadStartedObserver(viewBinding.containerDetails))
+		viewModel.onDownloadStarted.observeEvent(
+			this,
+			DownloadStartedObserver(viewBinding.containerDetails),
+		)
 
 		addMenuProvider(
 			DetailsMenuProvider(
@@ -243,7 +250,11 @@ class DetailsActivity :
 			right = insets.right,
 		)
 		if (insets.bottom > 0) {
-			window.setNavigationBarTransparentCompat(this, viewBinding.layoutBottom?.elevation ?: 0f, 0.9f)
+			window.setNavigationBarTransparentCompat(
+				this,
+				viewBinding.layoutBottom?.elevation ?: 0f,
+				0.9f,
+			)
 		}
 		viewBinding.cardChapters?.updateLayoutParams<MarginLayoutParams> {
 			bottomMargin = insets.bottom + marginEnd
@@ -265,18 +276,23 @@ class DetailsActivity :
 		}
 		val text = when {
 			!info.isValid -> getString(R.string.loading_)
-			info.currentChapter >= 0 -> getString(R.string.chapter_d_of_d, info.currentChapter + 1, info.totalChapters)
+			info.currentChapter >= 0 -> getString(
+				R.string.chapter_d_of_d,
+				info.currentChapter + 1,
+				info.totalChapters,
+			)
+
 			info.totalChapters == 0 -> getString(R.string.no_chapters)
-			else -> resources.getQuantityString(R.plurals.chapters, info.totalChapters, info.totalChapters)
+			else -> resources.getQuantityString(
+				R.plurals.chapters,
+				info.totalChapters,
+				info.totalChapters,
+			)
 		}
 		viewBinding.toolbarChapters?.title = text
 		viewBinding.textViewTitle?.text = text
 	}
 
-	private fun onNewChaptersChanged(newChapters: Int) {
-		viewBadge.counter = newChapters
-	}
-
 	private fun showBranchPopupMenu(v: View) {
 		val menu = PopupMenu(v.context, v)
 		val branches = viewModel.branches.value
@@ -286,7 +302,12 @@ class DetailsActivity :
 				append(' ')
 				append(' ')
 				inSpans(
-					ForegroundColorSpan(v.context.getThemeColor(android.R.attr.textColorSecondary, Color.LTGRAY)),
+					ForegroundColorSpan(
+						v.context.getThemeColor(
+							android.R.attr.textColorSecondary,
+							Color.LTGRAY,
+						),
+					),
 					RelativeSizeSpan(0.74f),
 				) {
 					append(branch.count.toString())
@@ -305,7 +326,8 @@ class DetailsActivity :
 		val manga = viewModel.manga.value ?: return
 		val chapterId = viewModel.historyInfo.value.history?.chapterId
 		if (chapterId != null && manga.chapters?.none { x -> x.id == chapterId } == true) {
-			val snackbar = makeSnackbar(getString(R.string.chapter_is_missing), Snackbar.LENGTH_SHORT)
+			val snackbar =
+				makeSnackbar(getString(R.string.chapter_is_missing), Snackbar.LENGTH_SHORT)
 			snackbar.show()
 		} else {
 			startActivity(
@@ -331,7 +353,10 @@ class DetailsActivity :
 		view.isVisible = isVisible
 	}
 
-	private fun makeSnackbar(text: CharSequence, @BaseTransientBottomBar.Duration duration: Int): Snackbar {
+	private fun makeSnackbar(
+		text: CharSequence,
+		@BaseTransientBottomBar.Duration duration: Int,
+	): Snackbar {
 		val sb = Snackbar.make(viewBinding.containerDetails, text, duration)
 		if (viewBinding.layoutBottom?.isVisible == true) {
 			sb.anchorView = viewBinding.toolbarChapters
@@ -369,7 +394,7 @@ class DetailsActivity :
 
 		fun newIntent(context: Context, manga: Manga): Intent {
 			return Intent(context, DetailsActivity::class.java)
-				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga, withChapters = true))
+				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga))
 		}
 
 		fun newIntent(context: Context, mangaId: Long): Intent {

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

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.details.ui
 
 import android.os.Bundle
-import android.text.method.LinkMovementMethod
 import android.transition.TransitionManager
 import android.view.LayoutInflater
 import android.view.View
@@ -11,6 +10,9 @@ import android.widget.Toast
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
+import androidx.core.text.buildSpannedString
+import androidx.core.text.color
+import androidx.core.text.method.LinkMovementMethodCompat
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
@@ -21,6 +23,7 @@ import coil.request.SuccessResult
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.filterNotNull
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
@@ -37,12 +40,14 @@ import org.koitharu.kotatsu.core.util.FileSize
 import org.koitharu.kotatsu.core.util.ext.crossfade
 import org.koitharu.kotatsu.core.util.ext.drawableTop
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
+import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
 import org.koitharu.kotatsu.core.util.ext.isTextTruncated
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.parentView
 import org.koitharu.kotatsu.core.util.ext.resolveDp
 import org.koitharu.kotatsu.core.util.ext.scaleUpActivityOptionsOf
+import org.koitharu.kotatsu.core.util.ext.showOrHide
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
@@ -69,13 +74,14 @@ import org.koitharu.kotatsu.scrobbling.common.ui.selector.ScrobblingSelectorShee
 import org.koitharu.kotatsu.search.ui.MangaListActivity
 import org.koitharu.kotatsu.search.ui.SearchActivity
 import javax.inject.Inject
+import com.google.android.material.R as materialR
 
 @AndroidEntryPoint
 class DetailsFragment :
 	BaseFragment<FragmentDetailsBinding>(),
 	View.OnClickListener,
 	ChipsView.OnChipClickListener,
-	OnListItemClickListener<Bookmark>, ViewTreeObserver.OnDrawListener {
+	OnListItemClickListener<Bookmark>, ViewTreeObserver.OnDrawListener, View.OnLayoutChangeListener {
 
 	@Inject
 	lateinit var coil: ImageLoader
@@ -99,8 +105,9 @@ class DetailsFragment :
 		binding.buttonScrobblingMore.setOnClickListener(this)
 		binding.buttonRelatedMore.setOnClickListener(this)
 		binding.infoLayout.textViewSource.setOnClickListener(this)
+		binding.textViewDescription.addOnLayoutChangeListener(this)
 		binding.textViewDescription.viewTreeObserver.addOnDrawListener(this)
-		binding.textViewDescription.movementMethod = LinkMovementMethod.getInstance()
+		binding.textViewDescription.movementMethod = LinkMovementMethodCompat.getInstance()
 		binding.chipsTags.onChipClickListener = this
 		binding.recyclerViewRelated.addItemDecoration(
 			SpacingItemDecoration(resources.getDimensionPixelOffset(R.dimen.grid_spacing)),
@@ -112,9 +119,9 @@ class DetailsFragment :
 		viewModel.bookmarks.observe(viewLifecycleOwner, ::onBookmarksChanged)
 		viewModel.scrobblingInfo.observe(viewLifecycleOwner, ::onScrobblingInfoChanged)
 		viewModel.description.observe(viewLifecycleOwner, ::onDescriptionChanged)
-		viewModel.chapters.observe(viewLifecycleOwner, ::onChaptersChanged)
 		viewModel.localSize.observe(viewLifecycleOwner, ::onLocalSizeChanged)
 		viewModel.relatedManga.observe(viewLifecycleOwner, ::onRelatedMangaChanged)
+		combine(viewModel.chapters, viewModel.newChaptersCount, ::Pair).observe(viewLifecycleOwner, ::onChaptersChanged)
 	}
 
 	override fun onItemClick(item: Bookmark, view: View) {
@@ -144,6 +151,22 @@ class DetailsFragment :
 		}
 	}
 
+	override fun onLayoutChange(
+		v: View?,
+		left: Int,
+		top: Int,
+		right: Int,
+		bottom: Int,
+		oldLeft: Int,
+		oldTop: Int,
+		oldRight: Int,
+		oldBottom: Int
+	) {
+		with(viewBinding ?: return) {
+			buttonDescriptionMore.isVisible = textViewDescription.isTextTruncated
+		}
+	}
+
 	private fun onMangaUpdated(manga: Manga) {
 		with(requireViewBinding()) {
 			// Main
@@ -159,21 +182,27 @@ class DetailsFragment :
 			}
 
 			when (manga.state) {
-				MangaState.FINISHED -> {
-					infoLayout.textViewState.apply {
-						textAndVisible = resources.getString(R.string.state_finished)
-						drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_finished)
-					}
+				MangaState.FINISHED -> infoLayout.textViewState.apply {
+					textAndVisible = resources.getString(R.string.state_finished)
+					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_finished)
 				}
 
-				MangaState.ONGOING -> {
-					infoLayout.textViewState.apply {
-						textAndVisible = resources.getString(R.string.state_ongoing)
-						drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_ongoing)
-					}
+				MangaState.ONGOING -> infoLayout.textViewState.apply {
+					textAndVisible = resources.getString(R.string.state_ongoing)
+					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_ongoing)
 				}
 
-				else -> infoLayout.textViewState.isVisible = false
+				MangaState.ABANDONED -> infoLayout.textViewState.apply {
+					textAndVisible = resources.getString(R.string.state_abandoned)
+					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_abandoned)
+				}
+
+				MangaState.PAUSED -> infoLayout.textViewState.apply {
+					textAndVisible = resources.getString(R.string.state_paused)
+					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_action_pause)
+				}
+
+				null -> infoLayout.textViewState.isVisible = false
 			}
 			if (manga.source == MangaSource.LOCAL) {
 				infoLayout.textViewSource.isVisible = false
@@ -189,14 +218,28 @@ class DetailsFragment :
 		}
 	}
 
-	private fun onChaptersChanged(chapters: List<ChapterListItem>?) {
+	private fun onChaptersChanged(data: Pair<List<ChapterListItem>?, Int>) {
+		val (chapters, newChapters) = data
 		val infoLayout = requireViewBinding().infoLayout
 		if (chapters.isNullOrEmpty()) {
 			infoLayout.textViewChapters.isVisible = false
 		} else {
 			val count = chapters.countChaptersByBranch()
 			infoLayout.textViewChapters.isVisible = true
-			infoLayout.textViewChapters.text = resources.getQuantityString(R.plurals.chapters, count, count)
+			val chaptersText = resources.getQuantityString(R.plurals.chapters, count, count)
+			infoLayout.textViewChapters.text = if (newChapters == 0) {
+				chaptersText
+			} else {
+				buildSpannedString {
+					append(chaptersText)
+					append(' ')
+					color(infoLayout.textViewChapters.context.getThemeColor(materialR.attr.colorError)) {
+						append("(+")
+						append(newChapters.toString())
+						append(')')
+					}
+				}
+			}
 		}
 	}
 
@@ -207,7 +250,6 @@ class DetailsFragment :
 		} else {
 			tv.text = description
 		}
-		requireViewBinding().buttonDescriptionMore.isVisible = tv.isTextTruncated
 	}
 
 	private fun onLocalSizeChanged(size: Long) {
@@ -247,11 +289,7 @@ class DetailsFragment :
 	}
 
 	private fun onLoadingStateChanged(isLoading: Boolean) {
-		if (isLoading) {
-			requireViewBinding().progressBar.show()
-		} else {
-			requireViewBinding().progressBar.hide()
-		}
+		requireViewBinding().progressBar.showOrHide(isLoading)
 	}
 
 	private fun onBookmarksChanged(bookmarks: List<Bookmark>) {

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

@@ -19,7 +19,7 @@ import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ShareHelper
 import org.koitharu.kotatsu.download.ui.dialog.DownloadOption
-import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteSheet
+import org.koitharu.kotatsu.favourites.ui.categories.select.FavoriteSheet
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.scrobbling.common.ui.selector.ScrobblingSelectorSheet
 import org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity
@@ -42,6 +42,7 @@ class DetailsMenuProvider(
 		menu.findItem(R.id.action_browser).isVisible = manga?.source != MangaSource.LOCAL
 		menu.findItem(R.id.action_shortcut).isVisible = ShortcutManagerCompat.isRequestPinShortcutSupported(activity)
 		menu.findItem(R.id.action_scrobbling).isVisible = viewModel.isScrobblingAvailable
+		menu.findItem(R.id.action_online).isVisible = viewModel.remoteManga.value != null
 		menu.findItem(R.id.action_favourite).setIcon(
 			if (viewModel.favouriteCategories.value) R.drawable.ic_heart else R.drawable.ic_heart_outline,
 		)
@@ -62,7 +63,7 @@ class DetailsMenuProvider(
 
 			R.id.action_favourite -> {
 				viewModel.manga.value?.let {
-					FavouriteSheet.show(activity.supportFragmentManager, it)
+					FavoriteSheet.show(activity.supportFragmentManager, it)
 				}
 			}
 
@@ -88,6 +89,12 @@ class DetailsMenuProvider(
 				}
 			}
 
+			R.id.action_online -> {
+				viewModel.remoteManga.value?.let {
+					activity.startActivity(DetailsActivity.newIntent(activity, it))
+				}
+			}
+
 			R.id.action_related -> {
 				viewModel.manga.value?.let {
 					activity.startActivity(MultiSearchActivity.newIntent(activity, it.title))

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

@@ -1,12 +1,5 @@
 package org.koitharu.kotatsu.details.ui
 
-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.SavedStateHandle
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -17,22 +10,21 @@ import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.distinctUntilChangedBy
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.mapLatest
 import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.flow.transformLatest
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.model.getPreferredBranch
-import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.ListMode
@@ -40,16 +32,15 @@ import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
-import org.koitharu.kotatsu.core.util.ext.combine
 import org.koitharu.kotatsu.core.util.ext.computeSize
+import org.koitharu.kotatsu.core.util.ext.onEachWhile
 import org.koitharu.kotatsu.core.util.ext.requireValue
-import org.koitharu.kotatsu.core.util.ext.sanitize
-import org.koitharu.kotatsu.core.util.ext.toFileOrNull
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.details.domain.BranchComparator
 import org.koitharu.kotatsu.details.domain.DetailsInteractor
-import org.koitharu.kotatsu.details.domain.DoubleMangaLoadUseCase
+import org.koitharu.kotatsu.details.domain.DetailsLoadUseCase
+import org.koitharu.kotatsu.details.domain.ProgressUpdateUseCase
 import org.koitharu.kotatsu.details.domain.RelatedMangaUseCase
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
 import org.koitharu.kotatsu.details.ui.model.MangaBranch
@@ -73,21 +64,19 @@ class DetailsViewModel @Inject constructor(
 	private val bookmarksRepository: BookmarksRepository,
 	private val settings: AppSettings,
 	private val scrobblers: Set<@JvmSuppressWildcards Scrobbler>,
-	private val imageGetter: Html.ImageGetter,
 	@LocalStorageChanges private val localStorageChanges: SharedFlow<LocalManga?>,
 	private val downloadScheduler: DownloadWorker.Scheduler,
 	private val interactor: DetailsInteractor,
 	savedStateHandle: SavedStateHandle,
 	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
-	private val doubleMangaLoadUseCase: DoubleMangaLoadUseCase,
 	private val relatedMangaUseCase: RelatedMangaUseCase,
 	private val extraProvider: ListExtraProvider,
-	networkState: NetworkState,
+	private val detailsLoadUseCase: DetailsLoadUseCase,
+	private val progressUpdateUseCase: ProgressUpdateUseCase,
 ) : BaseViewModel() {
 
 	private val intent = MangaIntent(savedStateHandle)
 	private val mangaId = intent.mangaId
-	private val doubleManga: MutableStateFlow<DoubleManga?> = MutableStateFlow(intent.manga?.let { DoubleManga(it) })
 	private var loadingJob: Job
 
 	val onShowToast = MutableEventFlow<Int>()
@@ -95,8 +84,9 @@ class DetailsViewModel @Inject constructor(
 	val onSelectChapter = MutableEventFlow<Long>()
 	val onDownloadStarted = MutableEventFlow<Unit>()
 
-	val manga = doubleManga.map { it?.any }
-		.stateIn(viewModelScope, SharingStarted.Eagerly, doubleManga.value?.any)
+	val details = MutableStateFlow(intent.manga?.let { MangaDetails(it, null, null, false) })
+	val manga = details.map { x -> x?.toManga() }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
 
 	val history = historyRepository.observeOne(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
@@ -104,8 +94,15 @@ class DetailsViewModel @Inject constructor(
 	val favouriteCategories = interactor.observeIsFavourite(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, false)
 
-	val newChaptersCount = interactor.observeNewChapters(mangaId)
-		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
+	val remoteManga = MutableStateFlow<Manga?>(null)
+
+	val newChaptersCount = details.flatMapLatest { d ->
+		if (d?.isLocal == false) {
+			interactor.observeNewChapters(mangaId)
+		} else {
+			flowOf(0)
+		}
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
 
 	private val chaptersQuery = MutableStateFlow("")
 	val selectedBranch = MutableStateFlow<String?>(null)
@@ -133,28 +130,17 @@ class DetailsViewModel @Inject constructor(
 		if (it != null) bookmarksRepository.observeBookmarks(it) else flowOf(emptyList())
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, emptyList())
 
-	val localSize = doubleManga
-		.map {
-			val local = it?.local
-			if (local != null) {
-				val file = local.url.toUri().toFileOrNull()
-				file?.computeSize() ?: 0L
-			} else {
-				0L
-			}
+	val localSize = details
+		.map { it?.local }
+		.distinctUntilChanged()
+		.map { local ->
+			local?.file?.computeSize() ?: 0L
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.WhileSubscribed(), 0)
 
-	val description = manga
-		.distinctUntilChangedBy { it?.description.orEmpty() }
-		.transformLatest {
-			val description = it?.description
-			if (description.isNullOrEmpty()) {
-				emit(null)
-			} else {
-				emit(description.parseAsHtml().filterSpans().sanitize())
-				emit(description.parseAsHtml(imageGetter = imageGetter).filterSpans())
-			}
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.WhileSubscribed(5000), null)
+	@Deprecated("")
+	val description = details
+		.map { it?.description }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, null)
 
 	val onMangaRemoved = MutableEventFlow<Manga>()
 	val isScrobblingAvailable: Boolean
@@ -163,46 +149,41 @@ class DetailsViewModel @Inject constructor(
 	val scrobblingInfo: StateFlow<List<ScrobblingInfo>> = interactor.observeScrobblingInfo(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	val relatedManga: StateFlow<List<MangaItemModel>> = doubleManga.map {
-		it?.remote
-	}.distinctUntilChangedBy { it?.id }
-		.mapLatest {
-			if (it != null && settings.isRelatedMangaEnabled) {
-				relatedMangaUseCase.invoke(it)?.toUi(ListMode.GRID, extraProvider).orEmpty()
-			} else {
-				emptyList()
-			}
+	val relatedManga: StateFlow<List<MangaItemModel>> = manga.mapLatest {
+		if (it != null && settings.isRelatedMangaEnabled) {
+			relatedMangaUseCase.invoke(it)?.toUi(ListMode.GRID, extraProvider).orEmpty()
+		} else {
+			emptyList()
 		}
-		.stateIn(viewModelScope, SharingStarted.Lazily, emptyList())
+	}.stateIn(viewModelScope, SharingStarted.Lazily, emptyList())
 
 	val branches: StateFlow<List<MangaBranch>> = combine(
-		doubleManga,
+		details,
 		selectedBranch,
 	) { m, b ->
-		val chapters = m?.chapters
-		if (chapters.isNullOrEmpty()) return@combine emptyList()
-		chapters.groupBy { x -> x.branch }
+		(m?.chapters ?: return@combine emptyList())
 			.map { x -> MangaBranch(x.key, x.value.size, x.key == b) }
 			.sortedWith(BranchComparator())
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	val isChaptersEmpty: StateFlow<Boolean> = combine(
-		doubleManga,
-		isLoading,
-	) { manga, loading ->
-		manga?.any != null && manga.chapters.isNullOrEmpty() && !loading
+	val isChaptersEmpty: StateFlow<Boolean> = details.map {
+		it != null && it.isLoaded && it.allChapters.isEmpty()
 	}.stateIn(viewModelScope, SharingStarted.WhileSubscribed(), false)
 
 	val chapters = combine(
 		combine(
-			doubleManga,
+			details,
 			history,
 			selectedBranch,
 			newChaptersCount,
 			bookmarks,
-			networkState,
-		) { manga, history, branch, news, bookmarks, isOnline ->
-			mapChapters(manga?.remote?.takeIf { isOnline }, manga?.local, history, news, branch, bookmarks)
+		) { manga, history, branch, news, bookmarks ->
+			manga?.mapChapters(
+				history,
+				news,
+				branch,
+				bookmarks,
+			).orEmpty()
 		},
 		isChaptersReversed,
 		chaptersQuery,
@@ -225,6 +206,17 @@ class DetailsViewModel @Inject constructor(
 				onShowTip.call(Unit)
 			}
 		}
+		launchJob(Dispatchers.Default) {
+			val manga = details.firstOrNull { !it?.chapters.isNullOrEmpty() } ?: return@launchJob
+			val h = history.firstOrNull()
+			if (h != null) {
+				progressUpdateUseCase(manga.toManga())
+			}
+		}
+		launchJob(Dispatchers.Default) {
+			val manga = details.firstOrNull { it != null && it.isLocal } ?: return@launchJob
+			remoteManga.value = interactor.findRemote(manga.toManga())
+		}
 	}
 
 	fun reload() {
@@ -233,7 +225,7 @@ class DetailsViewModel @Inject constructor(
 	}
 
 	fun deleteLocal() {
-		val m = doubleManga.value?.local
+		val m = details.value?.local?.manga
 		if (m == null) {
 			onShowToast.call(R.string.file_not_found)
 			return
@@ -286,13 +278,13 @@ class DetailsViewModel @Inject constructor(
 
 	fun markChapterAsCurrent(chapterId: Long) {
 		launchJob(Dispatchers.Default) {
-			val manga = checkNotNull(doubleManga.value)
-			val chapters = checkNotNull(manga.filterChapters(selectedBranchValue).chapters)
+			val manga = checkNotNull(details.value)
+			val chapters = checkNotNull(manga.chapters[selectedBranchValue])
 			val chapterIndex = chapters.indexOfFirst { it.id == chapterId }
 			check(chapterIndex in chapters.indices) { "Chapter not found" }
 			val percent = chapterIndex / chapters.size.toFloat()
 			historyRepository.addOrUpdate(
-				manga = manga.requireAny(),
+				manga = manga.toManga(),
 				chapterId = chapterId,
 				page = 0,
 				scroll = 0,
@@ -304,7 +296,7 @@ class DetailsViewModel @Inject constructor(
 	fun download(chaptersIds: Set<Long>?) {
 		launchJob(Dispatchers.Default) {
 			downloadScheduler.schedule(
-				doubleManga.requireValue().requireAny(),
+				details.requireValue().toManga(),
 				chaptersIds,
 			)
 			onDownloadStarted.call(Unit)
@@ -324,12 +316,19 @@ class DetailsViewModel @Inject constructor(
 	}
 
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
-		val result = doubleMangaLoadUseCase(intent)
-		val manga = result.requireAny()
-		// find default branch
-		val hist = historyRepository.getOne(manga)
-		selectedBranch.value = manga.getPreferredBranch(hist)
-		doubleManga.value = result
+		detailsLoadUseCase.invoke(intent)
+			.onEachWhile {
+				if (it.allChapters.isEmpty()) {
+					return@onEachWhile false
+				}
+				val manga = it.toManga()
+				// find default branch
+				val hist = historyRepository.getOne(manga)
+				selectedBranch.value = manga.getPreferredBranch(hist)
+				true
+			}.collect {
+				details.value = it
+			}
 	}
 
 	private fun List<ChapterListItem>.filterSearch(query: String): List<ChapterListItem> {
@@ -344,21 +343,12 @@ class DetailsViewModel @Inject constructor(
 	private suspend fun onDownloadComplete(downloadedManga: LocalManga?) {
 		downloadedManga ?: return
 		launchJob {
-			doubleManga.update {
+			details.update {
 				interactor.updateLocal(it, downloadedManga)
 			}
 		}
 	}
 
-	private fun Spanned.filterSpans(): CharSequence {
-		val spannable = SpannableString.valueOf(this)
-		val spans = spannable.getSpans<ForegroundColorSpan>()
-		for (span in spans) {
-			spannable.removeSpan(span)
-		}
-		return spannable.trim()
-	}
-
 	private fun getScrobbler(index: Int): Scrobbler? {
 		val info = scrobblingInfo.value.getOrNull(index)
 		val scrobbler = if (info != null) {