Show hint if navigation section is unavailable #751

Currently translated at 100.0% (589 of 589 strings)

Translated using Weblate (Russian)

Currently translated at 100.0% (589 of 589 strings)

Co-authored-by: Koitharu <nvasya95@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/ru/
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/uk/
Translation: Kotatsu/Strings

.github/FUNDING.yml

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

.gitignore

@@ -10,11 +10,13 @@
 /.idea/compiler.xml
 /.idea/workspace.xml
 /.idea/navEditor.xml
+/.idea/ktlint-plugin.xml
 /.idea/assetWizardSettings.xml
 /.idea/kotlinScripting.xml
 /.idea/kotlinc.xml
 /.idea/deploymentTargetDropDown.xml
 /.idea/androidTestResultsUserPreferences.xml
+/.idea/deploymentTargetSelector.xml
 /.idea/render.experimental.xml
 /.idea/inspectionProfiles/
 .DS_Store

CONTRIBUTING.md

@@ -1,11 +1,12 @@
 ## Kotatsu contribution guidelines
 
-- If you want to fix bug or implement a new feature, that already mention in the [issues](https://github.com/KotatsuApp/Kotatsu/issues), please, assign this issue to you and/or comment about it.
++ If you want to **fix bugs** or **implement new features** that **already have an [issue card](https://github.com/KotatsuApp/Kotatsu/issues):** please assign this issue to you and/or comment about it.
-- Whether you have to implement new feature, please, open an issue or discussion regarding it to ensure it will be accepted.
++ If you want to **implement a new feature:** open an issue or discussion regarding it to ensure it will be accepted.
-- Translations have to be managed using the [Weblate](https://hosted.weblate.org/engage/kotatsu/) platform.
++ **Translations** have to be managed using the [Weblate](https://hosted.weblate.org/engage/kotatsu/) platform.
-- In case you want to add a new manga source, refer to the [parsers repository](https://github.com/KotatsuApp/kotatsu-parsers).
++ In case you want to **add a new manga source,** refer to the [parsers repository](https://github.com/KotatsuApp/kotatsu-parsers).
 
-Refactoring or some dev-faces improvements are also might be accepted, however please stick to the following principles:
+**Refactoring** or some **dev-faces improvements** might also be accepted. However, please stick to the following principles:
-- Performance matters. In the case of choosing between source code beauty and performance, performance should be a priority. 
+
-- Please, do not modify readme and other information files (except for typos).
++ **Performance matters.** In the case of choosing between source code beauty and performance, performance should be a priority. 
-- Avoid adding new dependencies unless required. APK size is important.
++ Please, **do not modify readme and other information files** (except for typos).
++ **Avoid adding new dependencies** unless required. APK size is important.

README.md

@@ -19,7 +19,7 @@ Kotatsu is a free and open source manga reader for Android.
 * Tablet-optimized Material You UI
 * Standard and Webtoon-optimized reader
 * Notifications about new chapters with updates feed
-* Integration with manga tracking services: Shikimori, AniList, MyAnimeList
+* Integration with manga tracking services: Shikimori, AniList, MyAnimeList, Kitsu
 * Password/fingerprint protect access to the app
 * History and favourites [synchronization](https://github.com/KotatsuApp/kotatsu-syncserver) across devices
 

app/build.gradle

@@ -16,12 +16,13 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 34
-		versionCode = 573
+		versionCode = 622
-		versionName = '6.0'
+		versionName = '6.7'
 		generatedDensities = []
-		testInstrumentationRunner "org.koitharu.kotatsu.HiltTestRunner"
+		testInstrumentationRunner 'org.koitharu.kotatsu.HiltTestRunner'
 		ksp {
-			arg("room.schemaLocation", "$projectDir/schemas")
+			arg('room.generateKotlin', 'true')
+			arg('room.schemaLocation', "$projectDir/schemas")
 		}
 		androidResources {
 			generateLocaleConfig true
@@ -32,7 +33,6 @@ android {
 			applicationIdSuffix = '.debug'
 		}
 		release {
-			multiDexEnabled false
 			minifyEnabled true
 			shrinkResources true
 			proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -47,11 +47,12 @@ android {
 		main.java.srcDirs += 'src/main/kotlin/'
 	}
 	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_17
+		coreLibraryDesugaringEnabled true
-		targetCompatibility JavaVersion.VERSION_17
+		sourceCompatibility JavaVersion.VERSION_1_8
+		targetCompatibility JavaVersion.VERSION_1_8
 	}
 	kotlinOptions {
-		jvmTarget = JavaVersion.VERSION_17.toString()
+		jvmTarget = JavaVersion.VERSION_1_8.toString()
 		freeCompilerArgs += [
 			'-opt-in=kotlin.ExperimentalStdlibApi',
 			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
@@ -81,32 +82,32 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:3a76504380') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:014ea5ef49') {
 		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:1.9.22'
 	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.core:core-ktx:1.12.0'
-	implementation 'androidx.activity:activity-ktx:1.7.2'
+	implementation 'androidx.activity:activity-ktx:1.8.2'
-	implementation 'androidx.fragment:fragment-ktx:1.6.1'
+	implementation 'androidx.fragment:fragment-ktx:1.6.2'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1'
+	implementation 'androidx.collection:collection:1.4.0'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0'
-	implementation 'androidx.lifecycle:lifecycle-service:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-service:2.7.0'
-	implementation 'androidx.lifecycle:lifecycle-process:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-process:2.7.0'
 	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 'com.google.android.material:material:1.12.0-alpha03'
-	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-common-java8:2.7.0'
 
-	// TODO https://issuetracker.google.com/issues/254846063
+	implementation 'androidx.work:work-runtime:2.9.0'
-	implementation 'androidx.work:work-runtime-ktx:2.8.1'
 	//noinspection GradleDependency
 	implementation('com.google.guava:guava:32.0.1-android') {
 		exclude group: 'com.google.guava', module: 'failureaccess'
@@ -114,35 +115,39 @@ dependencies {
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
 	}
 
-	implementation 'androidx.room:room-runtime:2.5.2'
+	implementation 'androidx.room:room-runtime:2.6.1'
-	implementation 'androidx.room:room-ktx:2.5.2'
+	implementation 'androidx.room:room-ktx:2.6.1'
-	ksp 'androidx.room:room-compiler:2.5.2'
+	ksp 'androidx.room:room-compiler:2.6.1'
 
-	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
+	implementation 'com.squareup.okhttp3:okhttp:4.12.0'
-	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
+	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.12.0'
-	implementation 'com.squareup.okio:okio:3.5.0'
+	implementation 'com.squareup.okio:okio:3.8.0'
 
 	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'
+	implementation 'com.google.dagger:hilt-android:2.50'
-	kapt 'com.google.dagger:hilt-compiler:2.47'
+	kapt 'com.google.dagger:hilt-compiler:2.50'
-	implementation 'androidx.hilt:hilt-work:1.0.0'
+	implementation 'androidx.hilt:hilt-work:1.1.0'
-	kapt 'androidx.hilt:hilt-compiler:1.0.0'
+	kapt 'androidx.hilt:hilt-compiler:1.1.0'
 
-	implementation 'io.coil-kt:coil-base:2.4.0'
+	implementation 'io.coil-kt:coil-base:2.5.0'
-	implementation 'io.coil-kt:coil-svg:2.4.0'
+	implementation 'io.coil-kt:coil-svg:2.5.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:9b1d20be67'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:02e6d6cfe9'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.11.1'
+	implementation 'ch.acra:acra-http:5.11.3'
-	implementation 'ch.acra:acra-dialog:5.11.1'
+	implementation 'ch.acra:acra-dialog:5.11.3'
+	compileOnly 'com.google.auto.service:auto-service-annotations:1.1.1'
+	ksp 'dev.zacsweers.autoservice:auto-service-ksp:1.1.0'
 
-	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
+	implementation 'org.conscrypt:conscrypt-android:2.5.2'
+
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.13'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20230618'
+	testImplementation 'org.json:json:20240205'
 	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
 	androidTestImplementation 'androidx.test:runner:1.5.2'
@@ -152,9 +157,9 @@ dependencies {
 
 	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.2'
+	androidTestImplementation 'androidx.room:room-testing:2.6.1'
-	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
+	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.1'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.47'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.50'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.47'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.50'
 }

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/KotatsuApp.kt

@@ -36,7 +36,7 @@ class KotatsuApp : BaseApp() {
 		FragmentStrictMode.defaultPolicy = FragmentStrictMode.Policy.Builder()
 			.penaltyDeath()
 			.detectFragmentReuse()
-			// .detectWrongFragmentContainer() FIXME: migrate to ViewPager2
+			.detectWrongFragmentContainer()
 			.detectRetainInstanceUsage()
 			.detectSetUserVisibleHint()
 			.detectFragmentTagUsage()

app/src/debug/kotlin/org/koitharu/kotatsu/core/network/CurlLoggingInterceptor.kt

@@ -10,6 +10,8 @@ class CurlLoggingInterceptor(
 	private val curlOptions: String? = null
 ) : Interceptor {
 
+	private val escapeRegex = Regex("([\\[\\]\"])")
+
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val request = chain.request()
 		var isCompressed = false
@@ -40,7 +42,7 @@ class CurlLoggingInterceptor(
 		if (isCompressed) {
 			curlCmd.append(" --compressed")
 		}
-		curlCmd.append(" \"").append(request.url).append('"')
+		curlCmd.append(" \"").append(request.url.toString().escape()).append('"')
 
 		log("---cURL (" + request.url + ")")
 		log(curlCmd.toString())
@@ -48,7 +50,12 @@ class CurlLoggingInterceptor(
 		return chain.proceed(request)
 	}
 
-	private fun String.escape() = replace("\"", "\\\"")
+	private fun String.escape() = replace(escapeRegex) { match ->
+		"\\" + match.value
+	}
+		// .replace("\"", "\\\"")
+		// .replace("[", "\\[")
+		// .replace("]", "\\]")
 
 	private fun log(msg: String) {
 		Log.d("CURL", msg)

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(
+	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
-		offset: Int,
-		query: String?,
-		tags: Set<MangaTag>?,
-		sortOrder: SortOrder,
-	): 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/kotlin/org/koitharu/kotatsu/bookmarks/data/EntityMapping.kt

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.bookmarks.data
 
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.parsers.model.Manga
-import java.util.Date
+import java.time.Instant
 
 fun BookmarkEntity.toBookmark(manga: Manga) = Bookmark(
 	manga = manga,
@@ -11,7 +11,7 @@ fun BookmarkEntity.toBookmark(manga: Manga) = Bookmark(
 	page = page,
 	scroll = scroll,
 	imageUrl = imageUrl,
-	createdAt = Date(createdAt),
+	createdAt = Instant.ofEpochMilli(createdAt),
 	percent = percent,
 )
 
@@ -22,7 +22,7 @@ fun Bookmark.toEntity() = BookmarkEntity(
 	page = page,
 	scroll = scroll,
 	imageUrl = imageUrl,
-	createdAt = createdAt.time,
+	createdAt = createdAt.toEpochMilli(),
 	percent = percent,
 )
 

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

@@ -1,10 +1,10 @@
 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
+import java.time.Instant
 
 data class Bookmark(
 	val manga: Manga,
@@ -13,7 +13,7 @@ data class Bookmark(
 	val page: Int,
 	val scroll: Int,
 	val imageUrl: String,
-	val createdAt: Date,
+	val createdAt: Instant,
 	val percent: Float,
 ) : ListModel {
 
@@ -38,7 +38,6 @@ data class Bookmark(
 	)
 
 	private fun isImageUrlDirect(): Boolean {
-		val extension = imageUrl.substringAfterLast('.')
+		return hasImageExtension(imageUrl)
-		return extension.isNotEmpty() && ImageFileFilter().isExtensionValid(extension)
 	}
 }

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.getTagsDao().upsert(tags)
-			db.mangaDao.upsert(bookmark.manga.toEntity(), tags)
+			db.getMangaDao().upsert(bookmark.manga.toEntity(), tags)
-			db.bookmarksDao.insert(bookmark.toEntity())
+			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()
+				setReorderingAllowed(true)
-				replace(R.id.container, fragment)
+				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.ReversibleActionObserver
-import org.koitharu.kotatsu.core.ui.util.reverseAsync
 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.onError.observeEvent(
-		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ::onActionDone)
+			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/adapter/BookmarkListAD.kt

@@ -9,7 +9,6 @@ import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ext.decodeRegion
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
@@ -40,8 +39,4 @@ fun bookmarkListAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewThumb.disposeImageRequest()
-	}
 }

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

@@ -9,7 +9,6 @@ import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ext.decodeRegion
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
@@ -42,8 +41,4 @@ fun bookmarkLargeAD(
 		}
 		binding.progressView.percent = item.percent
 	}
-
-	onViewRecycled {
-		binding.imageViewThumb.disposeImageRequest()
-	}
 }

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

@@ -13,7 +13,6 @@ import org.koitharu.kotatsu.list.ui.adapter.emptyStateListAD
 import org.koitharu.kotatsu.list.ui.adapter.listHeaderAD
 import org.koitharu.kotatsu.list.ui.adapter.loadingFooterAD
 import org.koitharu.kotatsu.list.ui.adapter.loadingStateAD
-import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
 class BookmarksAdapter(
@@ -32,13 +31,6 @@ class BookmarksAdapter(
 	}
 
 	override fun getSectionText(context: Context, position: Int): CharSequence? {
-		val list = items
+		return findHeader(position)?.getText(context)
-		for (i in (0..position).reversed()) {
-			val item = list.getOrNull(i) ?: continue
-			if (item is ListHeader) {
-				return item.getText(context)
-			}
-		}
-		return null
 	}
 }

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/CaptchaNotifier.kt

@@ -1,28 +1,29 @@
 package org.koitharu.kotatsu.browser.cloudflare
 
-import android.annotation.SuppressLint
 import android.content.Context
 import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.PendingIntentCompat
 import androidx.core.net.toUri
+import coil.EventListener
 import coil.request.ErrorResult
 import coil.request.ImageRequest
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
+import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
 import org.koitharu.kotatsu.parsers.model.ContentType
+import org.koitharu.kotatsu.parsers.model.MangaSource
 
 class CaptchaNotifier(
 	private val context: Context,
-) : ImageRequest.Listener {
+) : EventListener {
 
-	@SuppressLint("MissingPermission")
 	fun notify(exception: CloudFlareProtectedException) {
-		val manager = NotificationManagerCompat.from(context)
+		if (!context.checkNotificationPermission()) {
-		if (!manager.areNotificationsEnabled()) {
 			return
 		}
+		val manager = NotificationManagerCompat.from(context)
 		val channel = NotificationChannelCompat.Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_DEFAULT)
 			.setName(context.getString(R.string.captcha_required))
 			.setShowBadge(true)
@@ -58,16 +59,27 @@ class CaptchaNotifier(
 		manager.notify(TAG, exception.source.hashCode(), notification)
 	}
 
+	fun dismiss(source: MangaSource) {
+		NotificationManagerCompat.from(context).cancel(TAG, source.hashCode())
+	}
+
 	override fun onError(request: ImageRequest, result: ErrorResult) {
 		super.onError(request, result)
 		val e = result.throwable
-		if (e is CloudFlareProtectedException) {
+		if (e is CloudFlareProtectedException && request.parameters.value<Boolean>(PARAM_IGNORE_CAPTCHA) != true) {
 			notify(e)
 		}
 	}
 
-	private companion object {
+	companion object {
 
+		fun ImageRequest.Builder.ignoreCaptchaErrors() = setParameter(
+			key = PARAM_IGNORE_CAPTCHA,
+			value = true,
+			memoryCacheKey = null,
+		)
+
+		private const val PARAM_IGNORE_CAPTCHA = "ignore_captcha"
 		private const val CHANNEL_ID = "captcha"
 		private const val TAG = CHANNEL_ID
 	}

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

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.browser.cloudflare
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.view.Menu
 import android.view.MenuItem
 import android.webkit.CookieManager
 import androidx.activity.result.contract.ActivityResultContract
@@ -11,8 +12,14 @@ 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
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.WebViewBackPressedCallback
@@ -38,7 +45,13 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
-		if (!catchingWebViewUnavailability { setContentView(ActivityBrowserBinding.inflate(layoutInflater)) }) {
+		if (!catchingWebViewUnavailability {
+				setContentView(
+					ActivityBrowserBinding.inflate(
+						layoutInflater,
+					),
+				)
+			}) {
 			return
 		}
 		supportActionBar?.run {
@@ -69,9 +82,11 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 	}
 
 	override fun onDestroy() {
-		viewBinding.webView.run {
+		runCatching {
-			stopLoading()
+			viewBinding.webView
-			destroy()
+		}.onSuccess {
+			it.stopLoading()
+			it.destroy()
 		}
 		super.onDestroy()
 	}
@@ -86,6 +101,11 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		viewBinding.webView.restoreState(savedInstanceState)
 	}
 
+	override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+		menuInflater.inflate(R.menu.opt_captcha, menu)
+		return super.onCreateOptionsMenu(menu)
+	}
+
 	override fun onWindowInsetsChanged(insets: Insets) {
 		viewBinding.appbar.updatePadding(
 			top = insets.top,
@@ -104,6 +124,19 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 			true
 		}
 
+		R.id.action_retry -> {
+			lifecycleScope.launch {
+				viewBinding.webView.stopLoading()
+				yield()
+				val targetUrl = intent?.dataString?.toHttpUrlOrNull()
+				if (targetUrl != null) {
+					clearCfCookies(targetUrl)
+					viewBinding.webView.loadUrl(targetUrl.toString())
+				}
+			}
+			true
+		}
+
 		else -> super.onOptionsItemSelected(item)
 	}
 
@@ -141,7 +174,15 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 
 	override fun onTitleChanged(title: CharSequence, subtitle: CharSequence?) {
 		setTitle(title)
-		supportActionBar?.subtitle = subtitle?.toString()?.toHttpUrlOrNull()?.topPrivateDomain() ?: subtitle
+		supportActionBar?.subtitle =
+			subtitle?.toString()?.toHttpUrlOrNull()?.topPrivateDomain() ?: subtitle
+	}
+
+	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")
+		}
 	}
 
 	class Contract : ActivityResultContract<Pair<String, Headers?>, TaggedActivityResult>() {

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

@@ -13,7 +13,6 @@ import coil.decode.SvgDecoder
 import coil.disk.DiskCache
 import coil.util.DebugLogger
 import dagger.Binds
-import dagger.Lazy
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -26,11 +25,13 @@ import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import okhttp3.OkHttpClient
 import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.browser.cloudflare.CaptchaNotifier
 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
@@ -40,14 +41,13 @@ 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
 import org.koitharu.kotatsu.local.data.CbzFetcher
 import org.koitharu.kotatsu.local.data.LocalStorageChanges
 import org.koitharu.kotatsu.local.domain.model.LocalManga
-import org.koitharu.kotatsu.main.domain.CoverRestorer
+import org.koitharu.kotatsu.main.domain.CoverRestoreInterceptor
 import org.koitharu.kotatsu.main.ui.protect.AppProtectHelper
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.reader.ui.thumbnails.MangaPageFetcher
@@ -91,7 +91,7 @@ interface AppModule {
 			mangaRepositoryFactory: MangaRepository.Factory,
 			imageProxyInterceptor: ImageProxyInterceptor,
 			pageFetcherFactory: MangaPageFetcher.Factory,
-			coverRestorerProvider: Lazy<CoverRestorer>,
+			coverRestoreInterceptor: CoverRestoreInterceptor,
 		): ImageLoader {
 			val diskCacheFactory = {
 				val rootDir = context.externalCacheDir ?: context.cacheDir
@@ -108,7 +108,7 @@ interface AppModule {
 				.diskCache(diskCacheFactory)
 				.logger(if (BuildConfig.DEBUG) DebugLogger() else null)
 				.allowRgb565(context.isLowRamDevice())
-				.eventListenerFactory { coverRestorerProvider.get() }
+				.eventListener(CaptchaNotifier(context))
 				.components(
 					ComponentRegistry.Builder()
 						.add(SvgDecoder.Factory())
@@ -116,6 +116,7 @@ interface AppModule {
 						.add(FaviconFetcher.Factory(context, okHttpClient, mangaRepositoryFactory))
 						.add(pageFetcherFactory)
 						.add(imageProxyInterceptor)
+						.add(coverRestoreInterceptor)
 						.build(),
 				).build()
 		}
@@ -160,7 +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/BaseApp.kt

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core
 
 import android.app.Application
 import android.content.Context
+import android.os.Build
 import androidx.annotation.WorkerThread
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.hilt.work.HiltWorkerFactory
@@ -11,6 +12,7 @@ import androidx.work.WorkManager
 import dagger.hilt.android.HiltAndroidApp
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.acra.ACRA
 import org.acra.ReportField
 import org.acra.config.dialog
@@ -18,6 +20,7 @@ import org.acra.config.httpSender
 import org.acra.data.StringFormat
 import org.acra.ktx.initAcra
 import org.acra.sender.HttpSender
+import org.conscrypt.Conscrypt
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.db.MangaDatabase
@@ -26,6 +29,7 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.WorkServiceStopHelper
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.settings.work.WorkScheduleManager
+import java.security.Security
 import javax.inject.Inject
 import javax.inject.Provider
 
@@ -39,7 +43,7 @@ open class BaseApp : Application(), Configuration.Provider {
 	lateinit var activityLifecycleCallbacks: Set<@JvmSuppressWildcards ActivityLifecycleCallbacks>
 
 	@Inject
-	lateinit var database: MangaDatabase
+	lateinit var database: Provider<MangaDatabase>
 
 	@Inject
 	lateinit var settings: AppSettings
@@ -56,12 +60,26 @@ open class BaseApp : Application(), Configuration.Provider {
 	@Inject
 	lateinit var workManagerProvider: Provider<WorkManager>
 
+	override val workManagerConfiguration: Configuration
+		get() = Configuration.Builder()
+			.setWorkerFactory(workerFactory)
+			.build()
+
 	override fun onCreate() {
 		super.onCreate()
-		ACRA.errorReporter.putCustomData("isOriginalApp", appValidator.isOriginalApp.toString())
 		AppCompatDelegate.setDefaultNightMode(settings.theme)
 		AppCompatDelegate.setApplicationLocales(settings.appLocales)
+		// TLS 1.3 support for Android < 10
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+			Security.insertProviderAt(Conscrypt.newProvider(), 1)
+		}
 		setupActivityLifecycleCallbacks()
+		processLifecycleScope.launch {
+			val isOriginalApp = withContext(Dispatchers.Default) {
+				appValidator.isOriginalApp
+			}
+			ACRA.errorReporter.putCustomData("isOriginalApp", isOriginalApp.toString())
+		}
 		processLifecycleScope.launch(Dispatchers.Default) {
 			setupDatabaseObservers()
 		}
@@ -74,13 +92,6 @@ open class BaseApp : Application(), Configuration.Provider {
 		initAcra {
 			buildConfigClass = BuildConfig::class.java
 			reportFormat = StringFormat.JSON
-			excludeMatchingSharedPreferencesKeys = listOf(
-				"sources_\\w+",
-				AppSettings.KEY_APP_PASSWORD,
-				AppSettings.KEY_PROXY_LOGIN,
-				AppSettings.KEY_PROXY_ADDRESS,
-				AppSettings.KEY_PROXY_PASSWORD,
-			)
 			httpSender {
 				uri = getString(R.string.url_error_report)
 				basicAuthLogin = getString(R.string.acra_login)
@@ -97,7 +108,6 @@ open class BaseApp : Application(), Configuration.Provider {
 				ReportField.STACK_TRACE,
 				ReportField.CRASH_CONFIGURATION,
 				ReportField.CUSTOM_DATA,
-				ReportField.SHARED_PREFERENCES,
 			)
 
 			dialog {
@@ -110,15 +120,9 @@ open class BaseApp : Application(), Configuration.Provider {
 		}
 	}
 
-	override fun getWorkManagerConfiguration(): Configuration {
-		return Configuration.Builder()
-			.setWorkerFactory(workerFactory)
-			.build()
-	}
-
 	@WorkerThread
 	private fun setupDatabaseObservers() {
-		val tracker = database.invalidationTracker
+		val tracker = database.get().invalidationTracker
 		databaseObservers.forEach {
 			tracker.addObserver(it)
 		}

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

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

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

@@ -0,0 +1,24 @@
+package org.koitharu.kotatsu.core
+
+import android.content.Context
+import com.google.auto.service.AutoService
+import org.acra.builder.ReportBuilder
+import org.acra.config.CoreConfiguration
+import org.acra.config.ReportingAdministrator
+
+@AutoService(ReportingAdministrator::class)
+class ErrorReportingAdmin : ReportingAdministrator {
+
+	override fun shouldStartCollecting(
+		context: Context,
+		config: CoreConfiguration,
+		reportBuilder: ReportBuilder
+	): Boolean {
+		return reportBuilder.exception?.isDeadOs() != true
+	}
+
+	private fun Throwable.isDeadOs(): Boolean {
+		val className = javaClass.simpleName
+		return className == "DeadSystemException" || className == "DeadSystemRuntimeException" || cause?.isDeadOs() == true
+	}
+}

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

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

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

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

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

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

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

@@ -5,10 +5,10 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
 import okio.Closeable
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.format
 import org.koitharu.kotatsu.core.zip.ZipOutput
 import java.io.File
-import java.util.Date
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
 import java.util.Locale
 import java.util.zip.Deflater
 
@@ -17,7 +17,7 @@ class BackupZipOutput(val file: File) : Closeable {
 	private val output = ZipOutput(file, Deflater.BEST_COMPRESSION)
 
 	suspend fun put(entry: BackupEntry) = runInterruptible(Dispatchers.IO) {
-		output.put(entry.name, entry.data.toString(2))
+		output.put(entry.name.key, entry.data.toString(2))
 	}
 
 	suspend fun finish() = runInterruptible(Dispatchers.IO) {
@@ -29,7 +29,7 @@ class BackupZipOutput(val file: File) : Closeable {
 	}
 }
 
-private const val DIR_BACKUPS = "backups"
+const val DIR_BACKUPS = "backups"
 
 suspend fun BackupZipOutput(context: Context): BackupZipOutput = runInterruptible(Dispatchers.IO) {
 	val dir = context.run {
@@ -39,7 +39,7 @@ suspend fun BackupZipOutput(context: Context): BackupZipOutput = runInterruptibl
 	val filename = buildString {
 		append(context.getString(R.string.app_name).replace(' ', '_').lowercase(Locale.ROOT))
 		append('_')
-		append(Date().format("ddMMyyyy"))
+		append(LocalDate.now().format(DateTimeFormatter.ofPattern("ddMMyyyy")))
 		append(".bk.zip")
 	}
 	BackupZipOutput(File(dir, filename))

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

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

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

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

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

@@ -20,25 +20,8 @@ interface ContentCache {
 
 	fun putRelatedManga(source: MangaSource, url: String, related: SafeDeferred<List<Manga>>)
 
-	class Key(
+	data class Key(
 		val source: MangaSource,
 		val url: String,
-	) {
+	)
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Key
-
-			if (source != other.source) return false
-			return url == other.url
-		}
-
-		override fun hashCode(): Int {
-			var result = source.hashCode()
-			result = 31 * result + url.hashCode()
-			return result
-		}
-	}
 }

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

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

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

@@ -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
@@ -28,6 +29,7 @@ import org.koitharu.kotatsu.core.db.migrations.Migration13To14
 import org.koitharu.kotatsu.core.db.migrations.Migration14To15
 import org.koitharu.kotatsu.core.db.migrations.Migration15To16
 import org.koitharu.kotatsu.core.db.migrations.Migration16To17
+import org.koitharu.kotatsu.core.db.migrations.Migration17To18
 import org.koitharu.kotatsu.core.db.migrations.Migration1To2
 import org.koitharu.kotatsu.core.db.migrations.Migration2To3
 import org.koitharu.kotatsu.core.db.migrations.Migration3To4
@@ -52,7 +54,7 @@ import org.koitharu.kotatsu.tracker.data.TrackEntity
 import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TracksDao
 
-const val DATABASE_VERSION = 17
+const val DATABASE_VERSION = 18
 
 @Database(
 	entities = [
@@ -65,29 +67,29 @@ const val DATABASE_VERSION = 17
 )
 abstract class MangaDatabase : RoomDatabase() {
 
-	abstract val historyDao: HistoryDao
+	abstract fun getHistoryDao(): HistoryDao
 
-	abstract val tagsDao: TagsDao
+	abstract fun getTagsDao(): TagsDao
 
-	abstract val mangaDao: MangaDao
+	abstract fun getMangaDao(): MangaDao
 
-	abstract val favouritesDao: FavouritesDao
+	abstract fun getFavouritesDao(): FavouritesDao
 
-	abstract val preferencesDao: PreferencesDao
+	abstract fun getPreferencesDao(): PreferencesDao
 
-	abstract val favouriteCategoriesDao: FavouriteCategoriesDao
+	abstract fun getFavouriteCategoriesDao(): FavouriteCategoriesDao
 
-	abstract val tracksDao: TracksDao
+	abstract fun getTracksDao(): TracksDao
 
-	abstract val trackLogsDao: TrackLogsDao
+	abstract fun getTrackLogsDao(): TrackLogsDao
 
-	abstract val suggestionDao: SuggestionDao
+	abstract fun getSuggestionDao(): SuggestionDao
 
-	abstract val bookmarksDao: BookmarksDao
+	abstract fun getBookmarksDao(): BookmarksDao
 
-	abstract val scrobblingDao: ScrobblingDao
+	abstract fun getScrobblingDao(): ScrobblingDao
 
-	abstract val sourcesDao: MangaSourcesDao
+	abstract fun getSourcesDao(): MangaSourcesDao
 }
 
 fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
@@ -107,6 +109,7 @@ fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
 	Migration14To15(),
 	Migration15To16(),
 	Migration16To17(context),
+	Migration17To18(),
 )
 
 fun MangaDatabase(context: Context): MangaDatabase = Room
@@ -118,7 +121,7 @@ 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/MangaDao.kt

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

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

@@ -4,10 +4,15 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.RawQuery
 import androidx.room.Transaction
 import androidx.room.Upsert
+import androidx.sqlite.db.SimpleSQLiteQuery
+import androidx.sqlite.db.SupportSQLiteQuery
 import kotlinx.coroutines.flow.Flow
+import org.intellij.lang.annotations.Language
 import org.koitharu.kotatsu.core.db.entity.MangaSourceEntity
+import org.koitharu.kotatsu.explore.data.SourcesSortOrder
 
 @Dao
 abstract class MangaSourcesDao {
@@ -15,11 +20,11 @@ abstract class MangaSourcesDao {
 	@Query("SELECT * FROM sources ORDER BY sort_key")
 	abstract suspend fun findAll(): List<MangaSourceEntity>
 
-	@Query("SELECT * FROM sources WHERE enabled = 1 ORDER BY sort_key")
+	@Query("SELECT * FROM sources WHERE enabled = 0 ORDER BY sort_key")
-	abstract suspend fun findAllEnabled(): List<MangaSourceEntity>
+	abstract suspend fun findAllDisabled(): List<MangaSourceEntity>
 
-	@Query("SELECT * FROM sources WHERE enabled = 1 ORDER BY sort_key")
+	@Query("SELECT * FROM sources WHERE enabled = 0")
-	abstract fun observeEnabled(): Flow<List<MangaSourceEntity>>
+	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

@@ -31,6 +31,16 @@ abstract class TagsDao {
 	)
 	abstract suspend fun findPopularTags(source: String, limit: Int): List<TagEntity>
 
+	@Query(
+		"""SELECT tags.* FROM tags
+		LEFT JOIN manga_tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE tags.source = :source  
+		GROUP BY tags.title
+		ORDER BY COUNT(manga_id) ASC 
+		LIMIT :limit""",
+	)
+	abstract suspend fun findRareTags(source: String, limit: Int): List<TagEntity>
+
 	@Query(
 		"""SELECT tags.* FROM tags
 		LEFT JOIN manga_tags ON tags.tag_id = manga_tags.tag_id 
@@ -51,6 +61,28 @@ abstract class TagsDao {
 	)
 	abstract suspend fun findTags(query: String, limit: Int): List<TagEntity>
 
+	@Query(
+		"""
+		SELECT tags.* FROM manga_tags 
+		LEFT JOIN tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE manga_tags.manga_id IN (SELECT manga_id FROM manga_tags WHERE tag_id = :tagId)
+		GROUP BY tags.tag_id 
+		ORDER BY COUNT(manga_id) DESC;
+	""",
+	)
+	abstract suspend fun findRelatedTags(tagId: Long): List<TagEntity>
+
+	@Query(
+		"""
+		SELECT tags.* FROM manga_tags 
+		LEFT JOIN tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE manga_tags.manga_id IN (SELECT manga_id FROM manga_tags WHERE tag_id IN (:ids))
+		GROUP BY tags.tag_id 
+		ORDER BY COUNT(manga_id) DESC;
+	""",
+	)
+	abstract suspend fun findRelatedTags(ids: Set<Long>): List<TagEntity>
+
 	@Upsert
 	abstract suspend fun upsert(tags: Iterable<TagEntity>)
 }

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

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

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

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

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

@@ -4,7 +4,7 @@ import androidx.room.Embedded
 import androidx.room.Junction
 import androidx.room.Relation
 
-class MangaWithTags(
+data class MangaWithTags(
 	@Embedded val manga: MangaEntity,
 	@Relation(
 		parentColumn = "manga_id",
@@ -12,21 +12,4 @@ class MangaWithTags(
 		associateBy = Junction(MangaTagsEntity::class)
 	)
 	val tags: List<TagEntity>,
-) {
+)
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as MangaWithTags
-
-		if (manga != other.manga) return false
-		return tags == other.tags
-	}
-
-	override fun hashCode(): Int {
-		var result = manga.hashCode()
-		result = 31 * result + tags.hashCode()
-		return result
-	}
-}

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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL(
+		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`)")
+		db.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_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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL(
+		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")
+		db.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 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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `show_in_lib` INTEGER NOT NULL DEFAULT 1")
+		db.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")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.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")
+		db.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")
+		db.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")
+		db.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")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_invert` INTEGER NOT NULL DEFAULT 0")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE `sources` (`source` TEXT NOT NULL, `enabled` INTEGER NOT NULL, `sort_key` INTEGER NOT NULL, PRIMARY KEY(`source`))")
+		db.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`)")
+		db.execSQL("CREATE INDEX `index_sources_sort_key` ON `sources` (`sort_key`)")
 		val hiddenSources = prefs.getStringSet("sources_hidden", null).orEmpty()
 		val order = prefs.getString("sources_order_2", null)?.split('|').orEmpty()
 		val sources = MangaSource.entries
@@ -30,7 +30,7 @@ class Migration16To17(context: Context) : Migration(16, 17) {
 					continue
 				}
 			}
-			database.execSQL(
+			db.execSQL(
 				"INSERT INTO `sources` (`source`, `enabled`, `sort_key`) VALUES (?, ?, ?)",
 				arrayOf(name, (!isHidden).toInt(), sortKey),
 			)

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

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

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

@@ -7,48 +7,48 @@ class Migration1To2 : Migration(1, 2) {
 	/**
 	 * Adding foreign keys
 	 */
-	override fun migrate(database: SupportSQLiteDatabase) {
+	override fun migrate(db: SupportSQLiteDatabase) {
 		/* manga_tags */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS manga_tags_tmp (manga_id INTEGER NOT NULL, tag_id INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id, tag_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE, " +
 					"FOREIGN KEY(tag_id) REFERENCES tags(tag_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_manga_id ON manga_tags_tmp (manga_id)")
+		db.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)")
+		db.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")
+		db.execSQL("INSERT INTO manga_tags_tmp (manga_id, tag_id) SELECT manga_id, tag_id FROM manga_tags")
-		database.execSQL("DROP TABLE manga_tags")
+		db.execSQL("DROP TABLE manga_tags")
-		database.execSQL("ALTER TABLE manga_tags_tmp RENAME TO 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)")
+		db.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)")
+		db.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")
+		db.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")
+		db.execSQL("DROP TABLE favourites")
-		database.execSQL("ALTER TABLE favourites_tmp RENAME TO 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")
+		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")
-		database.execSQL("DROP TABLE history")
+		db.execSQL("DROP TABLE history")
-		database.execSQL("ALTER TABLE history_tmp RENAME TO 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")
+		db.execSQL("INSERT INTO preferences_tmp (manga_id, mode) SELECT manga_id, mode FROM preferences")
-		database.execSQL("DROP TABLE preferences")
+		db.execSQL("DROP TABLE preferences")
-		database.execSQL("ALTER TABLE preferences_tmp RENAME TO 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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE history ADD COLUMN scroll REAL NOT NULL DEFAULT 0")
+		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) {
+	override fun migrate(db: 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 )")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN sort_key INTEGER NOT NULL DEFAULT 0")
+		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) {
+	override fun migrate(db: 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)")
+		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)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_track_logs_manga_id ON track_logs (manga_id)")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE manga ADD COLUMN public_url TEXT NOT NULL DEFAULT ''")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE manga ADD COLUMN nsfw INTEGER NOT NULL DEFAULT 0")
+		db.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 )")
+		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 )")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_suggestions_manga_id ON suggestions (manga_id)")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `order` TEXT NOT NULL DEFAULT ${SortOrder.NEWEST.name}")
+		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) {
+	override fun migrate(db: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
 	}
-}
+}

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

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

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

@@ -1,9 +1,13 @@
 package org.koitharu.kotatsu.core.exceptions
 
 import okio.IOException
-import java.util.Date
+import java.time.Instant
+import java.time.temporal.ChronoUnit
 
 class TooManyRequestExceptions(
 	val url: String,
-	val retryAt: Date?,
+	val retryAt: Instant?,
-) : IOException()
+) : IOException() {
+	val retryAfter: Long
+		get() = retryAt?.until(Instant.now(), ChronoUnit.MILLIS) ?: 0
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/github/VersionId.kt

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.core.github
 
 import java.util.*
 
-class VersionId(
+data class VersionId(
 	val major: Int,
 	val minor: Int,
 	val build: Int,
@@ -30,28 +30,6 @@ class VersionId(
 		return variantNumber.compareTo(other.variantNumber)
 	}
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as VersionId
-
-		if (major != other.major) return false
-		if (minor != other.minor) return false
-		if (build != other.build) return false
-		if (variantType != other.variantType) return false
-		return variantNumber == other.variantNumber
-	}
-
-	override fun hashCode(): Int {
-		var result = major
-		result = 31 * result + minor
-		result = 31 * result + build
-		result = 31 * result + variantType.hashCode()
-		result = 31 * result + variantNumber
-		return result
-	}
-
 	private fun variantWeight(variantType: String) = when (variantType.lowercase(Locale.ROOT)) {
 		"a", "alpha" -> 1
 		"b", "beta" -> 2

app/src/main/kotlin/org/koitharu/kotatsu/core/logs/FileLogger.kt

@@ -20,8 +20,9 @@ import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.io.File
 import java.io.FileOutputStream
-import java.text.SimpleDateFormat
+import java.time.LocalDateTime
-import java.util.Date
+import java.time.format.DateTimeFormatter
+import java.time.format.FormatStyle
 import java.util.Locale
 import java.util.concurrent.ConcurrentLinkedQueue
 
@@ -41,11 +42,7 @@ class FileLogger(
 	}
 	val isEnabled: Boolean
 		get() = settings.isLoggingEnabled
-	private val dateFormat = SimpleDateFormat.getDateTimeInstance(
+	private val dateTimeFormatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.SHORT).withLocale(Locale.ROOT)
-		SimpleDateFormat.SHORT,
-		SimpleDateFormat.SHORT,
-		Locale.ROOT,
-	)
 	private val buffer = ConcurrentLinkedQueue<String>()
 	private val mutex = Mutex()
 	private var flushJob: Job? = null
@@ -55,7 +52,7 @@ class FileLogger(
 			return
 		}
 		val text = buildString {
-			append(dateFormat.format(Date()))
+			append(dateTimeFormatter.format(LocalDateTime.now()))
 			append(": ")
 			if (e != null) {
 				append("E!")

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

@@ -2,18 +2,18 @@ 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.time.Instant
-import java.util.Date
 
 @Parcelize
 data class FavouriteCategory(
 	val id: Long,
 	val title: String,
 	val sortKey: Int,
-	val order: SortOrder,
+	val order: ListSortOrder,
-	val createdAt: Date,
+	val createdAt: Instant,
 	val isTrackingEnabled: Boolean,
 	val isVisibleInLibrary: Boolean,
 ) : Parcelable, ListModel {

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

@@ -1,13 +1,22 @@
 package org.koitharu.kotatsu.core.model
 
 import android.net.Uri
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import androidx.collection.MutableObjectIntMap
 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.ContentRating
 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
+import java.text.DecimalFormat
+import java.text.DecimalFormatSymbols
+import com.google.android.material.R as materialR
 
 @JvmName("mangaIds")
 fun Collection<Manga>.ids() = mapToSet { it.id }
@@ -17,20 +26,52 @@ 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
 	}
-	val acc = HashMap<String?, Int>()
+	val acc = MutableObjectIntMap<String?>()
 	for (item in this) {
 		val branch = item.chapter.branch
-		acc[branch] = (acc[branch] ?: 0) + 1
+		acc[branch] = acc.getOrDefault(branch, 0) + 1
 	}
-	return acc.values.max()
+	var max = 0
+	acc.forEachValue { x -> if (x > max) max = x }
+	return 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
+		MangaState.UPCOMING -> R.string.state_upcoming
+	}
+
+@get:DrawableRes
+val MangaState.iconResId: Int
+	get() = when (this) {
+		MangaState.ONGOING -> R.drawable.ic_play
+		MangaState.FINISHED -> R.drawable.ic_state_finished
+		MangaState.ABANDONED -> R.drawable.ic_state_abandoned
+		MangaState.PAUSED -> R.drawable.ic_action_pause
+		MangaState.UPCOMING -> materialR.drawable.ic_clock_black_24dp
+	}
+
+@get:StringRes
+val ContentRating.titleResId: Int
+	get() = when (this) {
+		ContentRating.SAFE -> R.string.rating_safe
+		ContentRating.SUGGESTIVE -> R.string.rating_suggestive
+		ContentRating.ADULT -> R.string.rating_adult
+	}
+
 fun Manga.findChapter(id: Long): MangaChapter? {
-	return chapters?.find { it.id == id }
+	return chapters?.findById(id)
 }
 
 fun Manga.getPreferredBranch(history: MangaHistory?): String? {
@@ -39,7 +80,7 @@ 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
 		}
@@ -48,10 +89,10 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 	if (groups.size == 1) {
 		return groups.keys.first()
 	}
-	val candidates = HashMap<String?, List<MangaChapter>>(groups.size)
 	for (locale in LocaleListCompat.getAdjustedDefault()) {
 		val displayLanguage = locale.getDisplayLanguage(locale)
 		val displayName = locale.getDisplayName(locale)
+		val candidates = HashMap<String?, List<MangaChapter>>(3)
 		for (branch in groups.keys) {
 			if (branch != null && (
 					branch.contains(displayLanguage, ignoreCase = true) ||
@@ -61,8 +102,11 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 				candidates[branch] = groups[branch] ?: continue
 			}
 		}
+		if (candidates.isNotEmpty()) {
+			return candidates.maxBy { it.value.size }.key
+		}
 	}
-	return candidates.ifEmpty { groups }.maxByOrNull { it.value.size }?.key
+	return groups.maxByOrNull { it.value.size }?.key
 }
 
 val Manga.isLocal: Boolean
@@ -74,3 +118,16 @@ val Manga.appUrl: Uri
 		.appendQueryParameter("name", title)
 		.appendQueryParameter("url", url)
 		.build()
+
+private val chaptersNumberFormat = DecimalFormat("#.#").also { f ->
+	f.decimalFormatSymbols = DecimalFormatSymbols.getInstance().also {
+		it.decimalSeparator = '.'
+	}
+}
+
+fun MangaChapter.formatNumber(): String? {
+	if (number <= 0f) {
+		return null
+	}
+	return chaptersNumberFormat.format(number.toDouble())
+}

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

@@ -2,14 +2,14 @@ package org.koitharu.kotatsu.core.model
 
 import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
-import java.util.*
+import java.time.Instant
 
 @Parcelize
 data class MangaHistory(
-	val createdAt: Date,
+	val createdAt: Instant,
-	val updatedAt: Date,
+	val updatedAt: Instant,
 	val chapterId: Long,
 	val page: Int,
 	val scroll: Int,
 	val percent: Float,
-) : Parcelable
+) : Parcelable

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

@@ -1,13 +1,23 @@
 package org.koitharu.kotatsu.core.model
 
+import android.content.Context
+import android.graphics.Color
+import android.text.SpannableStringBuilder
+import android.text.style.ForegroundColorSpan
+import android.text.style.RelativeSizeSpan
+import android.text.style.SuperscriptSpan
+import androidx.annotation.StringRes
+import androidx.core.text.buildSpannedString
+import androidx.core.text.inSpans
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.util.ext.getDisplayName
+import org.koitharu.kotatsu.core.util.ext.getThemeColor
+import org.koitharu.kotatsu.core.util.ext.toLocale
+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
-
+import com.google.android.material.R as materialR
-fun MangaSource.getLocaleTitle(): String? {
-	val lc = Locale(locale ?: return null)
-	return lc.getDisplayLanguage(lc).toTitleCase(lc)
-}
 
 fun MangaSource(name: String): MangaSource {
 	MangaSource.entries.forEach {
@@ -15,3 +25,38 @@ 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 = locale?.toLocale().getDisplayName(context)
+	return context.getString(R.string.source_summary_pattern, type, locale)
+}
+
+fun MangaSource.getTitle(context: Context): CharSequence = if (isNsfw()) {
+	buildSpannedString {
+		append(title)
+		append(' ')
+		appendNsfwLabel(context)
+	}
+} else {
+	title
+}
+
+private fun SpannableStringBuilder.appendNsfwLabel(context: Context) = inSpans(
+	ForegroundColorSpan(context.getThemeColor(materialR.attr.colorError, Color.RED)),
+	RelativeSizeSpan(0.74f),
+	SuperscriptSpan(),
+) {
+	append(context.getString(R.string.nsfw))
+}

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

@@ -0,0 +1,44 @@
+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.readFloat(),
+				volume = 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.writeFloat(number)
+			parcel.writeInt(volume)
+			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) {
+	companion object : Parceler<ParcelableManga> {
-			val chapters = manga.chapters
+
-			if (!withChapters || chapters == null) {
+		override fun ParcelableManga.write(parcel: Parcel, flags: Int) = with(manga) {
-				manga.writeToParcel(parcel, flags, withChapters = false)
+			parcel.writeLong(id)
-				return
+			parcel.writeString(title)
-			}
+			parcel.writeString(altTitle)
-			if (chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
+			parcel.writeString(url)
-				// fast path
+			parcel.writeString(publicUrl)
-				manga.writeToParcel(parcel, flags, withChapters = true)
+			parcel.writeFloat(rating)
-				return
+			ParcelCompat.writeBoolean(parcel, isNsfw)
-			}
+			parcel.writeString(coverUrl)
-			val tempParcel = Parcel.obtain()
+			parcel.writeString(largeCoverUrl)
-			manga.writeToParcel(tempParcel, flags, withChapters = true)
+			parcel.writeString(description)
-			val size = tempParcel.dataSize()
+			parcel.writeParcelable(ParcelableMangaTags(tags), flags)
-			if (size < MAX_SAFE_SIZE) {
+			parcel.writeSerializable(state)
-				parcel.appendFrom(tempParcel, 0, size)
+			parcel.writeString(author)
-			} else {
+			parcel.writeSerializable(source)
-				manga.writeToParcel(parcel, flags, withChapters = false)
-			}
-			tempParcel.recycle()
 		}
 
 		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 {
+			val content = response.body?.let { response.peekBody(Long.MAX_VALUE) }?.byteStream()?.use {
-				Jsoup.parse(it.inputStream(), Charsets.UTF_8.name(), response.request.url.toString())
+				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/ImageProxyInterceptor.kt

@@ -7,6 +7,7 @@ import coil.request.ErrorResult
 import coil.request.ImageResult
 import coil.request.SuccessResult
 import coil.size.Dimension
+import coil.size.isOriginal
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import okhttp3.OkHttpClient
@@ -46,11 +47,13 @@ class ImageProxyInterceptor @Inject constructor(
 			.scheme("https")
 			.host("wsrv.nl")
 			.addQueryParameter("url", url.toString())
-			.addQueryParameter("fit", "outside")
 			.addQueryParameter("we", null)
 		val size = request.sizeResolver.size()
-		(size.height as? Dimension.Pixels)?.let { newUrl.addQueryParameter("h", it.toString()) }
+		if (!size.isOriginal) {
-		(size.width as? Dimension.Pixels)?.let { newUrl.addQueryParameter("w", it.toString()) }
+			newUrl.addQueryParameter("crop", "cover")
+			(size.height as? Dimension.Pixels)?.let { newUrl.addQueryParameter("h", it.toString()) }
+			(size.width as? Dimension.Pixels)?.let { newUrl.addQueryParameter("w", it.toString()) }
+		}
 
 		val newRequest = request.newBuilder()
 			.data(newUrl.build())

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/RateLimitInterceptor.kt

@@ -4,15 +4,11 @@ import okhttp3.Interceptor
 import okhttp3.Response
 import okhttp3.internal.closeQuietly
 import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
-import java.text.SimpleDateFormat
+import java.time.Instant
-import java.util.Date
+import java.time.ZonedDateTime
-import java.util.Locale
+import java.time.format.DateTimeFormatter
-import java.util.concurrent.TimeUnit
 
 class RateLimitInterceptor : Interceptor {
-
-	private val dateFormat = SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss ZZZ", Locale.ENGLISH)
-
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val response = chain.proceed(chain.request())
 		if (response.code == 429) {
@@ -27,10 +23,8 @@ class RateLimitInterceptor : Interceptor {
 		return response
 	}
 
-	private fun String.parseRetryDate(): Date? {
+	private fun String.parseRetryDate(): Instant? {
-		toIntOrNull()?.let {
+		return toLongOrNull()?.let { Instant.now().plusSeconds(it) }
-			return Date(System.currentTimeMillis() + TimeUnit.SECONDS.toMillis(it.toLong()))
+			?: ZonedDateTime.parse(this, DateTimeFormatter.RFC_1123_DATE_TIME).toInstant()
-		}
-		return dateFormat.parse(this)
 	}
 }

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

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core.network.cookies
 
 import android.webkit.CookieManager
 import androidx.annotation.WorkerThread
+import androidx.core.util.Predicate
 import okhttp3.Cookie
 import okhttp3.HttpUrl
 import org.koitharu.kotatsu.core.util.ext.newBuilder
@@ -31,19 +32,21 @@ class AndroidCookieJar : MutableCookieJar {
 		}
 	}
 
-	override fun removeCookies(url: HttpUrl) {
+	override fun removeCookies(url: HttpUrl, predicate: Predicate<Cookie>?) {
 		val cookies = loadForRequest(url)
 		if (cookies.isEmpty()) {
 			return
 		}
 		val urlString = url.toString()
 		for (c in cookies) {
+			if (predicate != null && !predicate.test(c)) {
+				continue
+			}
 			val nc = c.newBuilder()
 				.expiresAt(System.currentTimeMillis() - 100000)
 				.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/network/cookies/CookieWrapper.kt

@@ -8,7 +8,7 @@ import java.io.ObjectInputStream
 import java.io.ObjectOutputStream
 
 
-class CookieWrapper(
+data class CookieWrapper(
 	val cookie: Cookie,
 ) {
 
@@ -66,17 +66,4 @@ class CookieWrapper(
 	fun key(): String {
 		return (if (cookie.secure) "https" else "http") + "://" + cookie.domain + cookie.path + "|" + cookie.name
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as CookieWrapper
-
-		return cookie == other.cookie
-	}
-
-	override fun hashCode(): Int {
-		return cookie.hashCode()
-	}
 }

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

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.network.cookies
 
 import androidx.annotation.WorkerThread
+import androidx.core.util.Predicate
 import okhttp3.Cookie
 import okhttp3.CookieJar
 import okhttp3.HttpUrl
@@ -14,7 +15,7 @@ interface MutableCookieJar : CookieJar {
 	override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>)
 
 	@WorkerThread
-	fun removeCookies(url: HttpUrl)
+	fun removeCookies(url: HttpUrl, predicate: Predicate<Cookie>?)
 
 	suspend fun clear(): Boolean
 }

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

@@ -4,6 +4,7 @@ import android.content.Context
 import androidx.annotation.WorkerThread
 import androidx.collection.ArrayMap
 import androidx.core.content.edit
+import androidx.core.util.Predicate
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import okhttp3.Cookie
@@ -57,12 +58,14 @@ class PreferencesCookieJar(
 
 	@Synchronized
 	@WorkerThread
-	override fun removeCookies(url: HttpUrl) {
+	override fun removeCookies(url: HttpUrl, predicate: Predicate<Cookie>?) {
 		loadPersistent()
 		val toRemove = HashSet<String>()
 		for ((key, cookie) in cache) {
 			if (cookie.isExpired() || cookie.cookie.matches(url)) {
-				toRemove += key
+				if (predicate == null || predicate.test(cookie.cookie)) {
+					toRemove += key
+				}
 			}
 		}
 		if (toRemove.isNotEmpty()) {

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 {
+	suspend fun requestPinShortcut(manga: Manga): Boolean = try {
-		return ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(manga), null)
+		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 {
+	private suspend fun buildShortcutInfo(source: MangaSource): ShortcutInfoCompat {
-		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 &&
+		val icon = runCatchingCancellable {
-			context.getSystemService(ShortcutManager::class.java).maxShortcutCountPerActivity > 0
+			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/os/AppValidator.kt

@@ -1,16 +1,9 @@
 package org.koitharu.kotatsu.core.os
 
-import android.annotation.SuppressLint
 import android.content.Context
 import android.content.pm.PackageManager
+import androidx.core.content.pm.PackageInfoCompat
 import dagger.hilt.android.qualifiers.ApplicationContext
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
-import org.koitharu.kotatsu.parsers.util.byte2HexFormatted
-import java.io.ByteArrayInputStream
-import java.io.InputStream
-import java.security.MessageDigest
-import java.security.cert.CertificateFactory
-import java.security.cert.X509Certificate
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -18,29 +11,13 @@ import javax.inject.Singleton
 class AppValidator @Inject constructor(
 	@ApplicationContext private val context: Context,
 ) {
-
+	@Suppress("NewApi")
 	val isOriginalApp by lazy {
-		getCertificateSHA1Fingerprint() == CERT_SHA1
+		val certificates = mapOf(CERT_SHA256.hexToByteArray() to PackageManager.CERT_INPUT_SHA256)
+		PackageInfoCompat.hasSignatures(context.packageManager, context.packageName, certificates, false)
 	}
 
-	@Suppress("DEPRECATION")
-	@SuppressLint("PackageManagerGetSignatures")
-	private fun getCertificateSHA1Fingerprint(): String? = runCatching {
-		val packageInfo = context.packageManager.getPackageInfo(context.packageName, PackageManager.GET_SIGNATURES)
-		val signatures = requireNotNull(packageInfo?.signatures)
-		val cert: ByteArray = signatures.first().toByteArray()
-		val input: InputStream = ByteArrayInputStream(cert)
-		val cf = CertificateFactory.getInstance("X509")
-		val c = cf.generateCertificate(input) as X509Certificate
-		val md: MessageDigest = MessageDigest.getInstance("SHA1")
-		val publicKey: ByteArray = md.digest(c.encoded)
-		return publicKey.byte2HexFormatted()
-	}.onFailure { error ->
-		error.printStackTraceDebug()
-	}.getOrNull()
-
 	private companion object {
-
+		private const val CERT_SHA256 = "67e15100bb809301783edcb6348fa3bbf83034d91e62868a91053dbd70db3f18"
-		private const val CERT_SHA1 = "2C:19:C7:E8:07:61:2B:8E:94:51:1B:FD:72:67:07:64:5D:C2:58:AE"
 	}
 }

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

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

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

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

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

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

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

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

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

@@ -2,16 +2,21 @@ 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.ContentRating
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import java.lang.ref.WeakReference
 import java.util.EnumMap
+import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 import kotlin.collections.set
@@ -22,11 +27,19 @@ interface MangaRepository {
 
 	val sortOrders: Set<SortOrder>
 
+	val states: Set<MangaState>
+
+	val contentRatings: Set<ContentRating>
+
 	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>
+	val isTagsExclusionSupported: Boolean
+
+	val isSearchSupported: Boolean
+
+	suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga>
 
 	suspend fun getDetails(manga: Manga): Manga
 
@@ -36,6 +49,8 @@ interface MangaRepository {
 
 	suspend fun getTags(): Set<MangaTag>
 
+	suspend fun getLocales(): Set<Locale>
+
 	suspend fun getRelated(seed: Manga): List<Manga>
 
 	@Singleton
@@ -43,6 +58,7 @@ 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 +71,11 @@ interface MangaRepository {
 			cache[source]?.get()?.let { return it }
 			return synchronized(cache) {
 				cache[source]?.get()?.let { return it }
-				val repository = RemoteMangaRepository(MangaParser(source, loaderContext), contentCache)
+				val repository = RemoteMangaRepository(
+					parser = MangaParser(source, loaderContext),
+					cache = contentCache,
+					mirrorSwitchInterceptor = mirrorSwitchInterceptor,
+				)
 				cache[source] = WeakReference(repository)
 				repository
 			}

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

@@ -1,6 +1,8 @@
 package org.koitharu.kotatsu.core.parser
 
 import android.util.Log
+import androidx.collection.MutableLongSet
+import coil.request.CachePolicy
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -13,31 +15,44 @@ 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.ContentRating
 import org.koitharu.kotatsu.parsers.model.Favicons
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.domain
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import java.util.Locale
 
 class RemoteMangaRepository(
 	private val parser: MangaParser,
 	private val cache: ContentCache,
+	private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 ) : MangaRepository, Interceptor {
 
 	override val source: MangaSource
 		get() = parser.source
 
 	override val sortOrders: Set<SortOrder>
-		get() = parser.sortOrders
+		get() = parser.availableSortOrders
+
+	override val states: Set<MangaState>
+		get() = parser.availableStates
+
+	override val contentRatings: Set<ContentRating>
+		get() = parser.availableContentRating
 
 	override var defaultSortOrder: SortOrder
 		get() = getConfig().defaultSortOrder ?: sortOrders.first()
@@ -45,6 +60,15 @@ class RemoteMangaRepository(
 			getConfig().defaultSortOrder = value
 		}
 
+	override val isMultipleTagsSupported: Boolean
+		get() = parser.isMultipleTagsSupported
+
+	override val isSearchSupported: Boolean
+		get() = parser.isSearchSupported
+
+	override val isTagsExclusionSupported: Boolean
+		get() = parser.isTagsExclusionSupported
+
 	var domain: String
 		get() = parser.domain
 		set(value) {
@@ -65,30 +89,40 @@ class RemoteMangaRepository(
 		}
 	}
 
-	override suspend fun getList(offset: Int, query: String): List<Manga> {
+	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
-		return parser.getList(offset, query)
+		return mirrorSwitchInterceptor.withMirrorSwitching {
+			parser.getList(offset, filter)
+		}
 	}
 
-	override suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga> {
+	override suspend fun getDetails(manga: Manga): Manga = getDetails(manga, CachePolicy.ENABLED)
-		return parser.getList(offset, tags, sortOrder)
-	}
-
-	override suspend fun getDetails(manga: Manga): Manga = getDetails(manga, withCache = true)
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		cache.getPages(source, chapter.url)?.let { return it }
 		val pages = asyncSafe {
-			parser.getPages(chapter).distinctById()
+			mirrorSwitchInterceptor.withMirrorSwitching {
+				parser.getPages(chapter).distinctById()
+			}
 		}
 		cache.putPages(source, chapter.url, pages)
 		return pages.await()
 	}
 
-	override suspend fun getPageUrl(page: MangaPage): String = parser.getPageUrl(page)
+	override suspend fun getPageUrl(page: MangaPage): String = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getPageUrl(page)
+	}
 
-	override suspend fun getTags(): Set<MangaTag> = parser.getTags()
+	override suspend fun getTags(): Set<MangaTag> = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getAvailableTags()
+	}
 
-	suspend fun getFavicons(): Favicons = parser.getFavicons()
+	override suspend fun getLocales(): Set<Locale> {
+		return parser.getAvailableLocales()
+	}
+
+	suspend fun getFavicons(): Favicons = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getFavicons()
+	}
 
 	override suspend fun getRelated(seed: Manga): List<Manga> {
 		cache.getRelatedManga(source, seed.url)?.let { return it }
@@ -99,20 +133,27 @@ class RemoteMangaRepository(
 		return related.await()
 	}
 
-	suspend fun getDetails(manga: Manga, withCache: Boolean): Manga {
+	suspend fun getDetails(manga: Manga, cachePolicy: CachePolicy): Manga {
-		if (!withCache) {
+		if (cachePolicy.readEnabled) {
-			return parser.getDetails(manga)
+			cache.getDetails(source, manga.url)?.let { return it }
 		}
-		cache.getDetails(source, manga.url)?.let { return it }
 		val details = asyncSafe {
-			parser.getDetails(manga)
+			mirrorSwitchInterceptor.withMirrorSwitching {
+				parser.getDetails(manga)
+			}
+		}
+		if (cachePolicy.writeEnabled) {
+			cache.putDetails(source, manga.url, details)
 		}
-		cache.putDetails(source, manga.url, details)
 		return details.await()
 	}
 
+	suspend fun peekDetails(manga: Manga): Manga? {
+		return cache.getDetails(source, manga.url)
+	}
+
 	suspend fun find(manga: Manga): Manga? {
-		val list = getList(0, manga.title)
+		val list = getList(0, MangaListFilter.Search(manga.title))
 		return list.find { x -> x.id == manga.id }
 	}
 
@@ -126,6 +167,10 @@ class RemoteMangaRepository(
 		return parser.configKeyDomain.presetValues.toList()
 	}
 
+	fun isSlowdownEnabled(): Boolean {
+		return getConfig().isSlowdownEnabled
+	}
+
 	private fun getConfig() = parser.config as SourceSettings
 
 	private suspend fun <T> asyncSafe(block: suspend CoroutineScope.() -> T): SafeDeferred<T> {
@@ -145,7 +190,7 @@ class RemoteMangaRepository(
 			return emptyList()
 		}
 		val result = ArrayList<MangaPage>(size)
-		val set = HashSet<Long>(size)
+		val set = MutableLongSet(size)
 		for (page in this) {
 			if (set.add(page.id)) {
 				result.add(page)
@@ -155,4 +200,33 @@ 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/parser/favicon/FaviconFetcher.kt

@@ -14,6 +14,7 @@ import coil.network.HttpException
 import coil.request.Options
 import coil.size.Size
 import coil.size.pxOrElse
+import kotlinx.coroutines.ensureActive
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -25,11 +26,13 @@ import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
+import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.util.withExtraCloseable
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.await
 import java.net.HttpURLConnection
+import kotlin.coroutines.coroutineContext
 
 private const val FALLBACK_SIZE = 9999 // largest icon
 
@@ -55,13 +58,16 @@ class FaviconFetcher(
 			options.size.height.pxOrElse { FALLBACK_SIZE },
 		)
 		var favicons = repo.getFavicons()
+		var lastError: Exception? = null
 		while (favicons.isNotEmpty()) {
-			val icon = favicons.find(sizePx) ?: throwNSEE()
+			coroutineContext.ensureActive()
+			val icon = favicons.find(sizePx) ?: throwNSEE(lastError)
 			val response = try {
 				loadIcon(icon.url, mangaSource)
 			} catch (e: CloudFlareProtectedException) {
 				throw e
 			} catch (e: HttpException) {
+				lastError = e
 				favicons -= icon
 				continue
 			}
@@ -75,7 +81,7 @@ class FaviconFetcher(
 				dataSource = response.toDataSource(),
 			)
 		}
-		throwNSEE()
+		throwNSEE(lastError)
 	}
 
 	private suspend fun loadIcon(url: String, source: MangaSource): Response {
@@ -105,14 +111,14 @@ class FaviconFetcher(
 		)
 	}
 
-	private fun writeToDiskCache(body: ResponseBody): DiskCache.Snapshot? {
+	private suspend fun writeToDiskCache(body: ResponseBody): DiskCache.Snapshot? {
 		if (!options.diskCachePolicy.writeEnabled || body.contentLength() == 0L) {
 			return null
 		}
 		val editor = diskCache.value?.openEditor(diskCacheKey) ?: return null
 		try {
 			fileSystem.write(editor.data) {
-				body.source().readAll(this)
+				writeAllCancellable(body.source())
 			}
 			return editor.commitAndOpenSnapshot()
 		} catch (e: Throwable) {
@@ -154,7 +160,13 @@ class FaviconFetcher(
 		append(height.toString())
 	}
 
-	private fun throwNSEE(): Nothing = throw NoSuchElementException("No favicons found")
+	private fun throwNSEE(lastError: Exception?): Nothing {
+		if (lastError != null) {
+			throw lastError
+		} else {
+			throw NoSuchElementException("No favicons found")
+		}
+	}
 
 	class Factory(
 		context: Context,

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

@@ -22,10 +22,13 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
+import org.koitharu.kotatsu.explore.data.SourcesSortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.util.find
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
 import java.io.File
 import java.net.Proxy
 import java.util.Locale
@@ -43,7 +46,8 @@ 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 +55,37 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isAmoledTheme: Boolean
 		get() = prefs.getBoolean(KEY_THEME_AMOLED, false)
 
-	val isFavoritesNavItemFirst: Boolean
+	var mainNavItems: List<NavItem>
-		get() = (prefs.getString(KEY_FIRST_NAV_ITEM, null)?.toIntOrNull() ?: 0) == 1
+		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) }
@@ -73,11 +101,21 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			}
 		}
 
-	val readerPageSwitch: Set<String>
+	var isReaderDoubleOnLandscape: Boolean
-		get() = prefs.getStringSet(KEY_READER_SWITCHERS, null) ?: setOf(PAGE_SWITCH_TAPS)
+		get() = prefs.getBoolean(KEY_READER_DOUBLE_PAGES, false)
+		set(value) = prefs.edit { putBoolean(KEY_READER_DOUBLE_PAGES, value) }
 
-	val isReaderTapsAdaptive: Boolean
+	val isReaderVolumeButtonsEnabled: Boolean
-		get() = !prefs.getBoolean(KEY_READER_TAPS_LTR, false)
+		get() = prefs.getBoolean(KEY_READER_VOLUME_BUTTONS, false)
+
+	val isReaderZoomButtonsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_ZOOM_BUTTONS, false)
+
+	val isReaderFullscreenEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_FULLSCREEN, true)
+
+	val isReaderOptimizationEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_OPTIMIZE, false)
 
 	var isTrafficWarningEnabled: Boolean
 		get() = prefs.getBoolean(KEY_TRAFFIC_WARNING, true)
@@ -145,7 +183,11 @@ 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 +197,7 @@ 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)
@@ -166,19 +208,30 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isUnstableUpdatesAllowed: Boolean
 		get() = prefs.getBoolean(KEY_UPDATES_UNSTABLE, false)
 
+	val defaultDetailsTab: Int
+		get() = prefs.getString(KEY_DETAILS_TAB, null)?.toIntOrNull()?.coerceIn(0, 1) ?: 0
+
 	val isContentPrefetchEnabled: Boolean
 		get() {
 			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)
 
@@ -214,9 +267,6 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			}
 		}
 
-	val isDownloadsSlowdownEnabled: Boolean
-		get() = prefs.getBoolean(KEY_DOWNLOADS_SLOWDOWN, false)
-
 	val isDownloadsWiFiOnly: Boolean
 		get() = prefs.getBoolean(KEY_DOWNLOADS_WIFI, false)
 
@@ -248,6 +298,27 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isReaderSliderEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_SLIDER, true)
 
+	val isReaderKeepScreenOn: Boolean
+		get() = prefs.getBoolean(KEY_READER_SCREEN_ON, true)
+
+	var readerColorFilter: ReaderColorFilter?
+		get() = runCatching {
+			val brightness = prefs.getFloat(KEY_CF_BRIGHTNESS, ReaderColorFilter.EMPTY.brightness)
+			val contrast = prefs.getFloat(KEY_CF_CONTRAST, ReaderColorFilter.EMPTY.contrast)
+			val inverted = prefs.getBoolean(KEY_CF_INVERTED, ReaderColorFilter.EMPTY.isInverted)
+			val grayscale = prefs.getBoolean(KEY_CF_GRAYSCALE, ReaderColorFilter.EMPTY.isGrayscale)
+			ReaderColorFilter(brightness, contrast, inverted, grayscale).takeUnless { it.isEmpty }
+		}.getOrNull()
+		set(value) {
+			prefs.edit {
+				val cf = value ?: ReaderColorFilter.EMPTY
+				putFloat(KEY_CF_BRIGHTNESS, cf.brightness)
+				putFloat(KEY_CF_CONTRAST, cf.contrast)
+				putBoolean(KEY_CF_INVERTED, cf.isInverted)
+				putBoolean(KEY_CF_GRAYSCALE, cf.isGrayscale)
+			}
+		}
+
 	val isImagesProxyEnabled: Boolean
 		get() = prefs.getBoolean(KEY_IMAGES_PROXY, false)
 
@@ -279,30 +350,62 @@ 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
+	var historySortOrder: ListSortOrder
-		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, HistoryOrder.UPDATED)
+		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, ListSortOrder.LAST_READ)
 		set(value) = prefs.edit { putEnumValue(KEY_HISTORY_ORDER, value) }
 
+	var allFavoritesSortOrder: ListSortOrder
+		get() = prefs.getEnumValue(KEY_FAVORITES_ORDER, ListSortOrder.NEWEST)
+		set(value) = prefs.edit { putEnumValue(KEY_FAVORITES_ORDER, value) }
+
 	val isRelatedMangaEnabled: Boolean
 		get() = prefs.getBoolean(KEY_RELATED_MANGA, true)
 
 	val isWebtoonZoomEnable: Boolean
 		get() = prefs.getBoolean(KEY_WEBTOON_ZOOM, true)
 
+	@get:FloatRange(from = 0.0, to = 0.5)
+	val defaultWebtoonZoomOut: Float
+		get() = prefs.getInt(KEY_WEBTOON_ZOOM_OUT, 0).coerceIn(0, 50) / 100f
+
 	@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()) }
+
+	val isReadingTimeEstimationEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READING_TIME, true)
+
 	fun isTipEnabled(tip: String): Boolean {
 		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
 	}
@@ -361,13 +464,15 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 
 	companion object {
 
-		const val PAGE_SWITCH_TAPS = "taps"
 		const val PAGE_SWITCH_VOLUME_KEYS = "volume"
 
 		const val TRACK_HISTORY = "history"
 		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"
@@ -381,7 +486,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_GRID_SIZE = "grid_size"
 		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_DOUBLE_PAGES = "reader_double_pages"
+		const val KEY_READER_ZOOM_BUTTONS = "reader_zoom_buttons"
+		const val KEY_READER_FULLSCREEN = "reader_fullscreen"
+		const val KEY_READER_VOLUME_BUTTONS = "reader_volume_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 +511,10 @@ 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"
@@ -418,7 +530,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_SHIKIMORI = "shikimori"
 		const val KEY_ANILIST = "anilist"
 		const val KEY_MAL = "mal"
-		const val KEY_DOWNLOADS_SLOWDOWN = "downloads_slowdown"
+		const val KEY_KITSU = "kitsu"
 		const val KEY_DOWNLOADS_WIFI = "downloads_wifi"
 		const val KEY_ALL_FAVOURITES_VISIBLE = "all_favourites_visible"
 		const val KEY_DOH = "doh"
@@ -429,16 +541,21 @@ 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_TAP_ACTIONS = "reader_tap_actions"
+		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_FAVORITES_ORDER = "fav_order"
 		const val KEY_WEBTOON_ZOOM = "webtoon_zoom"
+		const val KEY_WEBTOON_ZOOM_OUT = "webtoon_zoom_out"
 		const val KEY_PREFETCH_CONTENT = "prefetch_content"
 		const val KEY_APP_LOCALE = "app_locale"
 		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 +572,17 @@ 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"
+		const val KEY_CF_BRIGHTNESS = "cf_brightness"
+		const val KEY_CF_CONTRAST = "cf_contrast"
+		const val KEY_CF_INVERTED = "cf_inverted"
+		const val KEY_CF_GRAYSCALE = "cf_grayscale"
+		const val KEY_IGNORE_DOZE = "ignore_dose"
+		const val KEY_DETAILS_TAB = "details_tab"
+		const val KEY_READING_TIME = "reading_time"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

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

@@ -1,15 +1,38 @@
 package org.koitharu.kotatsu.core.prefs
 
+import android.appwidget.AppWidgetProvider
 import android.content.Context
+import android.os.Build
 import androidx.core.content.edit
 
 private const val CATEGORY_ID = "cat_id"
+private const val BACKGROUND = "bg"
 
-class AppWidgetConfig(context: Context, val widgetId: Int) {
+class AppWidgetConfig(
+	context: Context,
+	cls: Class<out AppWidgetProvider>,
+	val widgetId: Int,
+) {
 
-	private val prefs = context.getSharedPreferences("appwidget_$widgetId", Context.MODE_PRIVATE)
+	private val prefs = context.getSharedPreferences("appwidget_${cls.simpleName}_$widgetId", Context.MODE_PRIVATE)
 
 	var categoryId: Long
 		get() = prefs.getLong(CATEGORY_ID, 0L)
 		set(value) = prefs.edit { putLong(CATEGORY_ID, value) }
+
+	var hasBackground: Boolean
+		get() = prefs.getBoolean(BACKGROUND, Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
+		set(value) = prefs.edit { putBoolean(BACKGROUND, value) }
+
+	fun clear() {
+		prefs.edit { clear() }
+	}
+
+	fun copyFrom(other: AppWidgetConfig) {
+		prefs.edit {
+			clear()
+			putLong(CATEGORY_ID, other.categoryId)
+			putBoolean(BACKGROUND, other.hasBackground)
+		}
+	}
 }

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

@@ -0,0 +1,28 @@
+package org.koitharu.kotatsu.core.prefs
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.IdRes
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+
+enum class NavItem(
+	@IdRes val id: Int,
+	@StringRes val title: Int,
+	@DrawableRes val icon: Int,
+) {
+
+	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),
+	;
+
+	fun isAvailable(settings: AppSettings): Boolean = when (this) {
+		SUGGESTIONS -> settings.isSuggestionsEnabled
+		FEED -> settings.isTrackerEnabled
+		else -> true
+	}
+}

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

@@ -3,8 +3,10 @@ package org.koitharu.kotatsu.core.prefs
 enum class ReaderMode(val id: Int) {
 
 	STANDARD(1),
+	REVERSED(3),
+	VERTICAL(4),
 	WEBTOON(2),
-	REVERSED(3);
+	;
 
 	companion object {
 

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

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

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

@@ -6,7 +6,6 @@ import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.view.KeyEvent
-import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.CallSuper
@@ -96,10 +95,10 @@ abstract class BaseActivity<B : ViewBinding> :
 		insetsDelegate.onViewCreated(binding.root)
 	}
 
-	override fun onOptionsItemSelected(item: MenuItem) = if (item.itemId == android.R.id.home) {
+	override fun onSupportNavigateUp(): Boolean {
-		onBackPressed()
+		dispatchNavigateUp()
-		true
+		return true
-	} else super.onOptionsItemSelected(item)
+	}
 
 	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/BaseAppWidgetProvider.kt

@@ -0,0 +1,51 @@
+package org.koitharu.kotatsu.core.ui
+
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.Context
+import android.widget.RemoteViews
+import androidx.annotation.CallSuper
+import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
+
+abstract class BaseAppWidgetProvider : AppWidgetProvider() {
+
+	@CallSuper
+	override fun onUpdate(
+		context: Context,
+		appWidgetManager: AppWidgetManager,
+		appWidgetIds: IntArray
+	) {
+		appWidgetIds.forEach { id ->
+			val config = AppWidgetConfig(context, javaClass, id)
+			val views = onUpdateWidget(context, config)
+			appWidgetManager.updateAppWidget(id, views)
+		}
+	}
+
+	override fun onDeleted(context: Context, appWidgetIds: IntArray) {
+		super.onDeleted(context, appWidgetIds)
+		for (id in appWidgetIds) {
+			AppWidgetConfig(context, javaClass, id).clear()
+		}
+	}
+
+	override fun onRestored(context: Context, oldWidgetIds: IntArray, newWidgetIds: IntArray) {
+		super.onRestored(context, oldWidgetIds, newWidgetIds)
+		if (oldWidgetIds.size != newWidgetIds.size) {
+			return
+		}
+		for (i in oldWidgetIds.indices) {
+			val oldId = oldWidgetIds[i]
+			val newId = newWidgetIds[i]
+			val oldConfig = AppWidgetConfig(context, javaClass, oldId)
+			val newConfig = AppWidgetConfig(context, javaClass, newId)
+			newConfig.copyFrom(oldConfig)
+			oldConfig.clear()
+		}
+	}
+
+	protected abstract fun onUpdateWidget(
+		context: Context,
+		config: AppWidgetConfig,
+	): RemoteViews
+}

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

@@ -5,20 +5,19 @@ import android.os.Build
 import android.os.Bundle
 import android.view.WindowManager
 import androidx.core.content.ContextCompat
-import androidx.core.view.WindowInsetsCompat
-import androidx.core.view.WindowInsetsControllerCompat
 import androidx.viewbinding.ViewBinding
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.util.SystemUiController
 
 abstract class BaseFullscreenActivity<B : ViewBinding> :
 	BaseActivity<B>() {
 
-	private lateinit var insetsControllerCompat: WindowInsetsControllerCompat
+	protected lateinit var systemUiController: SystemUiController
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		with(window) {
-			insetsControllerCompat = WindowInsetsControllerCompat(this, decorView)
+			systemUiController = SystemUiController(this)
 			statusBarColor = Color.TRANSPARENT
 			navigationBarColor = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
 				ContextCompat.getColor(this@BaseFullscreenActivity, R.color.dim)
@@ -30,15 +29,6 @@ abstract class BaseFullscreenActivity<B : ViewBinding> :
 					WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
 			}
 		}
-		insetsControllerCompat.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+		systemUiController.setSystemUiVisible(true)
-		showSystemUI()
-	}
-
-	protected fun hideSystemUI() {
-		insetsControllerCompat.hide(WindowInsetsCompat.Type.systemBars())
-	}
-
-	protected fun showSystemUI() {
-		insetsControllerCompat.show(WindowInsetsCompat.Type.systemBars())
 	}
 }

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

@@ -10,6 +10,7 @@ import kotlinx.coroutines.flow.FlowCollector
 import org.koitharu.kotatsu.core.util.ContinuationResumeRunnable
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.adapter.ListItemType
+import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import kotlin.coroutines.suspendCoroutine
 
@@ -35,4 +36,15 @@ open class BaseListAdapter<T : ListModel> : AsyncListDifferDelegationAdapter<T>(
 	fun removeListListener(listListener: ListListener<T>) {
 		differ.removeListListener(listListener)
 	}
+
+	fun findHeader(position: Int): ListHeader? {
+		val snapshot = items
+		for (i in (0..position).reversed()) {
+			val item = snapshot.getOrNull(i) ?: continue
+			if (item is ListHeader) {
+				return item
+			}
+		}
+		return null
+	}
 }

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

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.core.ui
 
+import android.content.ActivityNotFoundException
+import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import androidx.annotation.CallSuper
@@ -8,7 +10,9 @@ import androidx.core.graphics.Insets
 import androidx.core.view.updatePadding
 import androidx.preference.PreferenceFragmentCompat
 import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.util.RecyclerViewOwner
 import org.koitharu.kotatsu.core.ui.util.WindowInsetsDelegate
@@ -62,4 +66,12 @@ abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 	protected fun setTitle(title: CharSequence?) {
 		(activity as? SettingsActivity)?.setSectionTitle(title)
 	}
+
+	protected fun startActivitySafe(intent: Intent) {
+		try {
+			startActivity(intent)
+		} catch (_: ActivityNotFoundException) {
+			Snackbar.make(listView, R.string.operation_not_supported, Snackbar.LENGTH_SHORT).show()
+		}
+	}
 }