Translated using Weblate (Filipino)

Currently translated at 100.0% (687 of 687 strings)

Co-authored-by: Infy's Tagalog Translations <ced.paltep10@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/fil/
Translation: Kotatsu/Strings

.idea/gradle.xml

@@ -4,6 +4,7 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">

app/build.gradle

@@ -8,16 +8,16 @@ plugins {
 }
 
 android {
-	compileSdk = 34
-	buildToolsVersion = '34.0.0'
+	compileSdk = 35
+	buildToolsVersion = '35.0.0'
 	namespace = 'org.koitharu.kotatsu'
 
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 35
-		versionCode = 657
-		versionName = '7.4'
+		versionCode = 666
+		versionName = '7.5'
 		generatedDensities = []
 		testInstrumentationRunner 'org.koitharu.kotatsu.HiltTestRunner'
 		ksp {
@@ -56,6 +56,7 @@ android {
 		freeCompilerArgs += [
 			'-opt-in=kotlin.ExperimentalStdlibApi',
 			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
+			'-opt-in=kotlinx.coroutines.ExperimentalForInheritanceCoroutinesApi',
 			'-opt-in=kotlinx.coroutines.FlowPreview',
 			'-opt-in=kotlin.contracts.ExperimentalContracts',
 			'-opt-in=coil.annotation.ExperimentalCoilApi',
@@ -82,20 +83,20 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:a9fc534ea7') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:b404b44008') {
 		exclude group: 'org.json', module: 'json'
 	}
 
-	coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
-	implementation 'org.jetbrains.kotlin:kotlin-stdlib:2.0.10-RC'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0-RC'
+	coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.1.1'
+	implementation 'org.jetbrains.kotlin:kotlin-stdlib:2.0.10'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0-RC.2'
 
 	implementation 'androidx.appcompat:appcompat:1.7.0'
 	implementation 'androidx.core:core-ktx:1.13.1'
 	implementation 'androidx.activity:activity-ktx:1.9.1'
 	implementation 'androidx.fragment:fragment-ktx:1.8.2'
 	implementation 'androidx.transition:transition-ktx:1.5.1'
-	implementation 'androidx.collection:collection-ktx:1.4.2'
+	implementation 'androidx.collection:collection-ktx:1.4.3'
 	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.8.4'
 	implementation 'androidx.lifecycle:lifecycle-service:2.8.4'
 	implementation 'androidx.lifecycle:lifecycle-process:2.8.4'
@@ -109,9 +110,9 @@ dependencies {
 	implementation 'androidx.lifecycle:lifecycle-common-java8:2.8.4'
 	implementation 'androidx.webkit:webkit:1.11.0'
 
-	implementation 'androidx.work:work-runtime:2.9.0'
+	implementation 'androidx.work:work-runtime:2.9.1'
 	//noinspection GradleDependency
-	implementation('com.google.guava:guava:32.0.1-android') {
+	implementation('com.google.guava:guava:33.2.1-android') {
 		exclude group: 'com.google.guava', module: 'failureaccess'
 		exclude group: 'org.checkerframework', module: 'checker-qual'
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
@@ -129,25 +130,23 @@ dependencies {
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'com.google.dagger:hilt-android:2.51.1'
-	kapt 'com.google.dagger:hilt-compiler:2.51.1'
+	implementation 'com.google.dagger:hilt-android:2.52'
+	kapt 'com.google.dagger:hilt-compiler:2.52'
 	implementation 'androidx.hilt:hilt-work:1.2.0'
 	kapt 'androidx.hilt:hilt-compiler:1.2.0'
 
 	implementation 'io.coil-kt:coil-base:2.7.0'
 	implementation 'io.coil-kt:coil-svg:2.7.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:882bc0620c'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:4ec7176962'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
 	implementation 'ch.acra:acra-http:5.11.3'
 	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'
 
-	implementation 'org.conscrypt:conscrypt-android:2.5.2'
+	implementation 'org.conscrypt:conscrypt-android:2.5.3'
 
-	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.14'
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:3.0-alpha-8'
 	debugImplementation 'com.github.Koitharu:WorkInspector:5778dd1747'
 
 	testImplementation 'junit:junit:4.13.2'
@@ -164,6 +163,6 @@ dependencies {
 	androidTestImplementation 'androidx.room:room-testing:2.6.1'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.1'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.51.1'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.51.1'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.52'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.52'
 }

app/proguard-rules.pro

@@ -14,6 +14,7 @@
 -dontwarn org.conscrypt.**
 -dontwarn org.bouncycastle.**
 -dontwarn org.openjsse.**
+-dontwarn com.google.j2objc.annotations.**
 
 -keep class org.koitharu.kotatsu.core.exceptions.* { *; }
 -keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment

app/src/androidTest/kotlin/org/koitharu/kotatsu/tracker/domain/TrackerTest.kt

@@ -1,198 +0,0 @@
-package org.koitharu.kotatsu.tracker.domain
-
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import dagger.hilt.android.testing.HiltAndroidRule
-import dagger.hilt.android.testing.HiltAndroidTest
-import junit.framework.TestCase.*
-import kotlinx.coroutines.test.runTest
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.koitharu.kotatsu.SampleData
-import org.koitharu.kotatsu.core.parser.MangaDataRepository
-import org.koitharu.kotatsu.parsers.model.Manga
-import javax.inject.Inject
-
-@HiltAndroidTest
-@RunWith(AndroidJUnit4::class)
-class TrackerTest {
-
-	@get:Rule
-	var hiltRule = HiltAndroidRule(this)
-
-	@Inject
-	lateinit var repository: TrackingRepository
-
-	@Inject
-	lateinit var dataRepository: MangaDataRepository
-
-	@Inject
-	lateinit var tracker: Tracker
-
-	@Before
-	fun setUp() {
-		hiltRule.inject()
-	}
-
-	@Test
-	fun noUpdates() = runTest {
-		val manga = loadManga("full.json")
-		tracker.deleteTrack(manga.id)
-
-		tracker.checkUpdates(manga, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(manga.id))
-		tracker.checkUpdates(manga, commit = true).apply {
-			assertTrue(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(manga.id))
-	}
-
-	@Test
-	fun hasUpdates() = runTest {
-		val mangaFirst = loadManga("first_chapters.json")
-		val mangaFull = loadManga("full.json")
-		tracker.deleteTrack(mangaFirst.id)
-
-		tracker.checkUpdates(mangaFirst, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertTrue(isValid)
-			assertEquals(3, newChapters.size)
-		}
-		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertTrue(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
-	}
-
-	@Test
-	fun badIds() = runTest {
-		val mangaFirst = loadManga("first_chapters.json")
-		val mangaBad = loadManga("bad_ids.json")
-		tracker.deleteTrack(mangaFirst.id)
-
-		tracker.checkUpdates(mangaFirst, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-		tracker.checkUpdates(mangaBad, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-		tracker.checkUpdates(mangaFirst, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-	}
-
-	@Test
-	fun badIds2() = runTest {
-		val mangaFirst = loadManga("first_chapters.json")
-		val mangaBad = loadManga("bad_ids.json")
-		val mangaFull = loadManga("full.json")
-		tracker.deleteTrack(mangaFirst.id)
-
-		tracker.checkUpdates(mangaFirst, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertTrue(isValid)
-			assertEquals(3, newChapters.size)
-		}
-		assertEquals(3, repository.getNewChaptersCount(mangaFull.id))
-		tracker.checkUpdates(mangaBad, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-	}
-
-	@Test
-	fun fullReset() = runTest {
-		val mangaFull = loadManga("full.json")
-		val mangaFirst = loadManga("first_chapters.json")
-		val mangaEmpty = loadManga("empty.json")
-		tracker.deleteTrack(mangaFull.id)
-
-		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
-		tracker.checkUpdates(mangaEmpty, commit = true).apply {
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
-		tracker.checkUpdates(mangaFirst, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertTrue(isValid)
-			assertEquals(3, newChapters.size)
-		}
-		assertEquals(3, repository.getNewChaptersCount(mangaFull.id))
-		tracker.checkUpdates(mangaEmpty, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
-	}
-
-	@Test
-	fun syncWithHistory() = runTest {
-		val mangaFull = loadManga("full.json")
-		val mangaFirst = loadManga("first_chapters.json")
-		tracker.deleteTrack(mangaFull.id)
-
-		tracker.checkUpdates(mangaFirst, commit = true).apply {
-			assertFalse(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertTrue(isValid)
-			assertEquals(3, newChapters.size)
-		}
-		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
-
-		var chapter = requireNotNull(mangaFull.chapters).run { get(lastIndex - 1) }
-		tracker.syncWithHistory(mangaFull, chapter.id)
-
-		assertEquals(1, repository.getNewChaptersCount(mangaFirst.id))
-
-		chapter = requireNotNull(mangaFull.chapters).run { get(lastIndex) }
-		tracker.syncWithHistory(mangaFull, chapter.id)
-
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-
-		tracker.checkUpdates(mangaFull, commit = true).apply {
-			assertTrue(isValid)
-			assert(newChapters.isEmpty())
-		}
-		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
-	}
-
-	private suspend fun loadManga(name: String): Manga {
-		val manga = SampleData.loadAsset("manga/$name", Manga::class)
-		dataRepository.storeManga(manga)
-		return manga
-	}
-}

app/src/debug/kotlin/org/koitharu/kotatsu/KotatsuApp.kt

@@ -8,6 +8,7 @@ import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.ReaderViewModel
 
 class KotatsuApp : BaseApp() {
 
@@ -30,6 +31,7 @@ class KotatsuApp : BaseApp() {
 				.setClassInstanceLimit(PagesCache::class.java, 1)
 				.setClassInstanceLimit(MangaLoaderContext::class.java, 1)
 				.setClassInstanceLimit(PageLoader::class.java, 1)
+				.setClassInstanceLimit(ReaderViewModel::class.java, 1)
 				.penaltyLog()
 				.build(),
 		)

app/src/main/kotlin/org/koitharu/kotatsu/alternatives/domain/MigrateUseCase.kt

@@ -7,8 +7,8 @@ import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.details.domain.ProgressUpdateUseCase
 import org.koitharu.kotatsu.history.data.HistoryEntity
-import org.koitharu.kotatsu.history.data.PROGRESS_NONE
 import org.koitharu.kotatsu.history.data.toMangaHistory
+import org.koitharu.kotatsu.list.domain.ReadingProgress.Companion.PROGRESS_NONE
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable

app/src/main/kotlin/org/koitharu/kotatsu/alternatives/ui/AlternativeAD.kt

@@ -7,7 +7,7 @@ import androidx.core.text.inSpans
 import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import coil.request.ImageRequest
-import coil.transform.CircleCropTransformation
+import coil.transform.RoundedCornersTransformation
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.getTitle
@@ -75,7 +75,7 @@ fun alternativeAD(
 				.fallback(R.drawable.ic_web)
 				.error(R.drawable.ic_web)
 				.source(item.manga.source)
-				.transformations(CircleCropTransformation())
+				.transformations(RoundedCornersTransformation(context.resources.getDimension(R.dimen.chip_icon_corner)))
 				.allowRgb565(true)
 				.enqueueWith(coil)
 		}

app/src/main/kotlin/org/koitharu/kotatsu/alternatives/ui/AlternativesActivity.kt

@@ -9,7 +9,6 @@ import androidx.activity.viewModels
 import androidx.core.graphics.Insets
 import androidx.core.view.updatePadding
 import coil.ImageLoader
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
@@ -18,8 +17,8 @@ import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.BaseListAdapter
+import org.koitharu.kotatsu.core.ui.dialog.buildAlertDialog
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
-import org.koitharu.kotatsu.core.util.ext.DIALOG_THEME_CENTERED
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.ActivityAlternativesBinding
@@ -89,22 +88,23 @@ class AlternativesActivity : BaseActivity<ActivityAlternativesBinding>(),
 	}
 
 	private fun confirmMigration(target: Manga) {
-		MaterialAlertDialogBuilder(this, DIALOG_THEME_CENTERED)
-			.setIcon(R.drawable.ic_replace)
-			.setTitle(R.string.manga_migration)
-			.setMessage(
+		buildAlertDialog(this, isCentered = true) {
+			setIcon(R.drawable.ic_replace)
+			setTitle(R.string.manga_migration)
+			setMessage(
 				getString(
 					R.string.migrate_confirmation,
 					viewModel.manga.title,
-					viewModel.manga.source.getTitle(this),
+					viewModel.manga.source.getTitle(context),
 					target.title,
-					target.source.getTitle(this),
+					target.source.getTitle(context),
 				),
 			)
-			.setNegativeButton(android.R.string.cancel, null)
-			.setPositiveButton(R.string.migrate) { _, _ ->
+			setNegativeButton(android.R.string.cancel, null)
+			setPositiveButton(R.string.migrate) { _, _ ->
 				viewModel.migrate(target)
-			}.show()
+			}
+		}.show()
 	}
 
 	companion object {

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

@@ -46,7 +46,7 @@ class AllBookmarksFragment :
 	BaseFragment<FragmentListSimpleBinding>(),
 	ListStateHolderListener,
 	OnListItemClickListener<Bookmark>,
-	ListSelectionController.Callback2,
+	ListSelectionController.Callback,
 	FastScroller.FastScrollListener, ListHeaderClickListener {
 
 	@Inject

app/src/main/kotlin/org/koitharu/kotatsu/browser/BrowserActivity.kt

@@ -45,7 +45,7 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		}
 		val mangaSource = MangaSource(intent?.getStringExtra(EXTRA_SOURCE))
 		val repository = mangaRepositoryFactory.create(mangaSource) as? ParserMangaRepository
-		repository?.headers?.get(CommonHeaders.USER_AGENT)
+		repository?.getRequestHeaders()?.get(CommonHeaders.USER_AGENT)
 		viewBinding.webView.configureForParser(userAgent)
 		CookieManager.getInstance().setAcceptThirdPartyCookies(viewBinding.webView, true)
 		viewBinding.webView.webViewClient = BrowserClient(this)

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.browser.cloudflare
 
+import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
@@ -28,7 +29,6 @@ import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
 import org.koitharu.kotatsu.core.ui.BaseActivity
-import org.koitharu.kotatsu.core.util.TaggedActivityResult
 import org.koitharu.kotatsu.core.util.ext.configureForParser
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -180,13 +180,13 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		}
 	}
 
-	class Contract : ActivityResultContract<CloudFlareProtectedException, TaggedActivityResult>() {
+	class Contract : ActivityResultContract<CloudFlareProtectedException, Boolean>() {
 		override fun createIntent(context: Context, input: CloudFlareProtectedException): Intent {
 			return newIntent(context, input)
 		}
 
-		override fun parseResult(resultCode: Int, intent: Intent?): TaggedActivityResult {
-			return TaggedActivityResult(TAG, resultCode)
+		override fun parseResult(resultCode: Int, intent: Intent?): Boolean {
+			return resultCode == Activity.RESULT_OK
 		}
 	}
 

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

@@ -1,24 +0,0 @@
-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/db/MangaQueryBuilder.kt

@@ -0,0 +1,113 @@
+package org.koitharu.kotatsu.core.db
+
+import androidx.sqlite.db.SimpleSQLiteQuery
+import org.koitharu.kotatsu.list.domain.ListFilterOption
+import java.util.LinkedList
+
+class MangaQueryBuilder(
+	private val table: String,
+	private val conditionCallback: ConditionCallback
+) {
+
+	private var filterOptions: Collection<ListFilterOption> = emptyList()
+	private var whereConditions = LinkedList<String>()
+	private var orderBy: String? = null
+	private var groupBy: String? = null
+	private var extraJoins: String? = null
+	private var limit: Int = 0
+
+	fun filters(options: Collection<ListFilterOption>) = apply {
+		filterOptions = options
+	}
+
+	fun where(condition: String) = apply {
+		whereConditions.add(condition)
+	}
+
+	fun orderBy(orderBy: String?) = apply {
+		this@MangaQueryBuilder.orderBy = orderBy
+	}
+
+	fun groupBy(groupBy: String?) = apply {
+		this@MangaQueryBuilder.groupBy = groupBy
+	}
+
+	fun limit(limit: Int) = apply {
+		this@MangaQueryBuilder.limit = limit
+	}
+
+	fun join(join: String?) = apply {
+		extraJoins = join
+	}
+
+	fun build() = buildString {
+		append("SELECT * FROM ")
+		append(table)
+		extraJoins?.let {
+			append(' ')
+			append(it)
+		}
+		if (whereConditions.isNotEmpty()) {
+			whereConditions.joinTo(
+				buffer = this,
+				prefix = " WHERE ",
+				separator = " AND ",
+			)
+		}
+		if (filterOptions.isNotEmpty()) {
+			if (whereConditions.isEmpty()) {
+				append(" WHERE")
+			} else {
+				append(" AND")
+			}
+			var isFirst = true
+			val groupedOptions = filterOptions.groupBy { it.groupKey }
+			for ((_, group) in groupedOptions) {
+				if (group.isEmpty()) {
+					continue
+				}
+				if (isFirst) {
+					isFirst = false
+					append(' ')
+				} else {
+					append(" AND ")
+				}
+				if (group.size > 1) {
+					group.joinTo(
+						buffer = this,
+						separator = " OR ",
+						prefix = "(",
+						postfix = ")",
+						transform = ::getConditionOrThrow,
+					)
+				} else {
+					append(getConditionOrThrow(group.single()))
+				}
+			}
+		}
+		groupBy?.let {
+			append(" GROUP BY ")
+			append(it)
+		}
+		orderBy?.let {
+			append(" ORDER BY ")
+			append(it)
+		}
+		if (limit > 0) {
+			append(" LIMIT ")
+			append(limit)
+		}
+	}.let { SimpleSQLiteQuery(it) }
+
+	private fun getConditionOrThrow(option: ListFilterOption): String = when (option) {
+		is ListFilterOption.Inverted -> "NOT(${getConditionOrThrow(option.option)})"
+		else -> requireNotNull(conditionCallback.getCondition(option)) {
+			"Unsupported filter option $option"
+		}
+	}
+
+	fun interface ConditionCallback {
+
+		fun getCondition(option: ListFilterOption): String?
+	}
+}

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

@@ -4,36 +4,59 @@ 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.sqlite.db.SupportSQLiteQuery
 import kotlinx.coroutines.flow.Flow
+import org.koitharu.kotatsu.core.db.MangaQueryBuilder
+import org.koitharu.kotatsu.list.domain.ListFilterOption
 import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TrackLogWithManga
 
 @Dao
-interface TrackLogsDao {
+abstract class TrackLogsDao : MangaQueryBuilder.ConditionCallback {
 
-	@Transaction
-	@Query("SELECT * FROM track_logs ORDER BY created_at DESC LIMIT :limit OFFSET 0")
-	fun observeAll(limit: Int): Flow<List<TrackLogWithManga>>
+	fun observeAll(
+		limit: Int,
+		filterOptions: Set<ListFilterOption>,
+	): Flow<List<TrackLogWithManga>> = observeAllImpl(
+		MangaQueryBuilder("track_logs", this)
+			.filters(filterOptions)
+			.limit(limit)
+			.orderBy("created_at DESC")
+			.build(),
+	)
 
 	@Query("SELECT COUNT(*) FROM track_logs WHERE unread = 1")
-	fun observeUnreadCount(): Flow<Int>
+	abstract fun observeUnreadCount(): Flow<Int>
 
 	@Query("DELETE FROM track_logs")
-	suspend fun clear()
+	abstract suspend fun clear()
 
 	@Query("UPDATE track_logs SET unread = 0 WHERE id = :id")
-	suspend fun markAsRead(id: Long)
+	abstract suspend fun markAsRead(id: Long)
 
 	@Insert(onConflict = OnConflictStrategy.REPLACE)
-	suspend fun insert(entity: TrackLogEntity): Long
+	abstract suspend fun insert(entity: TrackLogEntity): Long
 
 	@Query("DELETE FROM track_logs WHERE manga_id NOT IN (SELECT manga_id FROM tracks)")
-	suspend fun gc()
+	abstract suspend fun gc()
 
 	@Query("DELETE FROM track_logs WHERE id IN (SELECT id FROM track_logs ORDER BY created_at DESC LIMIT 0 OFFSET :size)")
-	suspend fun trim(size: Int)
+	abstract suspend fun trim(size: Int)
 
 	@Query("SELECT COUNT(*) FROM track_logs")
-	suspend fun count(): Int
+	abstract suspend fun count(): Int
+
+	@Transaction
+	@RawQuery(observedEntities = [TrackLogEntity::class])
+	protected abstract fun observeAllImpl(query: SupportSQLiteQuery): Flow<List<TrackLogWithManga>>
+
+	override fun getCondition(option: ListFilterOption): String? = when (option) {
+		ListFilterOption.Macro.FAVORITE -> "EXISTS(SELECT * FROM favourites WHERE favourites.manga_id = track_logs.manga_id)"
+		is ListFilterOption.Favorite -> "EXISTS(SELECT * FROM favourites WHERE favourites.manga_id = track_logs.manga_id AND favourites.category_id = ${option.category.id})"
+		is ListFilterOption.Tag -> "EXISTS(SELECT * FROM manga_tags WHERE manga_tags.manga_id = track_logs.manga_id AND tag_id = ${option.tagId})"
+		ListFilterOption.Macro.NSFW -> "(SELECT nsfw FROM manga WHERE manga.manga_id = track_logs.manga_id) = 1"
+		else -> null
+	}
 }

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

@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.core.exceptions
+
+class IncompatiblePluginException(
+	val name: String?,
+	cause: Throwable?,
+) : RuntimeException(cause)

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

@@ -0,0 +1,5 @@
+package org.koitharu.kotatsu.core.exceptions
+
+import java.net.ProtocolException
+
+class ProxyConfigException : ProtocolException("Wrong proxy configuration")

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

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

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

@@ -2,67 +2,55 @@ package org.koitharu.kotatsu.core.exceptions.resolve
 
 import android.content.Context
 import android.widget.Toast
-import androidx.activity.result.ActivityResultCallback
-import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.ActivityResultCaller
 import androidx.annotation.StringRes
 import androidx.collection.MutableScatterMap
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentActivity
+import androidx.fragment.app.FragmentManager
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import dagger.hilt.android.EntryPointAccessors
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.alternatives.ui.AlternativesActivity
 import org.koitharu.kotatsu.browser.BrowserActivity
 import org.koitharu.kotatsu.browser.cloudflare.CloudFlareActivity
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
+import org.koitharu.kotatsu.core.exceptions.ProxyConfigException
 import org.koitharu.kotatsu.core.exceptions.UnsupportedSourceException
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.ui.BaseActivity.BaseActivityEntryPoint
 import org.koitharu.kotatsu.core.ui.dialog.ErrorDetailsDialog
-import org.koitharu.kotatsu.core.util.TaggedActivityResult
 import org.koitharu.kotatsu.core.util.ext.findActivity
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.scrobbling.common.domain.ScrobblerAuthRequiredException
+import org.koitharu.kotatsu.scrobbling.common.ui.ScrobblerAuthHelper
+import org.koitharu.kotatsu.settings.SettingsActivity
 import org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity
 import java.security.cert.CertPathValidatorException
+import javax.inject.Provider
 import javax.net.ssl.SSLException
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
-class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
-
+class ExceptionResolver @AssistedInject constructor(
+	@Assisted private val host: Host,
+	private val settings: AppSettings,
+	private val scrobblerAuthHelperProvider: Provider<ScrobblerAuthHelper>,
+) {
 	private val continuations = MutableScatterMap<String, Continuation<Boolean>>(1)
-	private val activity: FragmentActivity?
-	private val fragment: Fragment?
-	private val sourceAuthContract: ActivityResultLauncher<MangaSource>
-	private val cloudflareContract: ActivityResultLauncher<CloudFlareProtectedException>
 
-	val context: Context?
-		get() = activity ?: fragment?.context
-
-	constructor(activity: FragmentActivity) {
-		this.activity = activity
-		fragment = null
-		sourceAuthContract = activity.registerForActivityResult(SourceAuthActivity.Contract(), this)
-		cloudflareContract = activity.registerForActivityResult(CloudFlareActivity.Contract(), this)
+	private val sourceAuthContract = host.registerForActivityResult(SourceAuthActivity.Contract()) {
+		handleActivityResult(SourceAuthActivity.TAG, it)
 	}
-
-	constructor(fragment: Fragment) {
-		this.fragment = fragment
-		activity = null
-		sourceAuthContract = fragment.registerForActivityResult(SourceAuthActivity.Contract(), this)
-		cloudflareContract = fragment.registerForActivityResult(CloudFlareActivity.Contract(), this)
-	}
-
-	override fun onActivityResult(result: TaggedActivityResult) {
-		continuations.remove(result.tag)?.resume(result.isSuccess)
+	private val cloudflareContract = host.registerForActivityResult(CloudFlareActivity.Contract()) {
+		handleActivityResult(CloudFlareActivity.TAG, it)
 	}
 
 	fun showDetails(e: Throwable, url: String?) {
-		ErrorDetailsDialog.show(getFragmentManager(), e, url)
+		ErrorDetailsDialog.show(host.getChildFragmentManager(), e, url)
 	}
 
 	suspend fun resolve(e: Throwable): Boolean = when (e) {
@@ -74,6 +62,13 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 			false
 		}
 
+		is ProxyConfigException -> {
+			host.withContext {
+				startActivity(SettingsActivity.newProxySettingsIntent(this))
+			}
+			false
+		}
+
 		is NotFoundException -> {
 			openInBrowser(e.url)
 			false
@@ -84,6 +79,20 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 			false
 		}
 
+		is ScrobblerAuthRequiredException -> {
+			val authHelper = scrobblerAuthHelperProvider.get()
+			if (authHelper.isAuthorized(e.scrobbler)) {
+				true
+			} else {
+				host.withContext {
+					authHelper.startAuth(this, e.scrobbler).onFailure {
+						showDetails(it, null)
+					}
+				}
+				false
+			}
+		}
+
 		else -> false
 	}
 
@@ -97,21 +106,20 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 		sourceAuthContract.launch(source)
 	}
 
-	private fun openInBrowser(url: String) {
-		context?.run {
-			startActivity(BrowserActivity.newIntent(this, url, null, null))
-		}
+	private fun openInBrowser(url: String) = host.withContext {
+		startActivity(BrowserActivity.newIntent(this, url, null, null))
 	}
 
-	private fun openAlternatives(manga: Manga) {
-		context?.run {
-			startActivity(AlternativesActivity.newIntent(this, manga))
-		}
+	private fun openAlternatives(manga: Manga) = host.withContext {
+		startActivity(AlternativesActivity.newIntent(this, manga))
+	}
+
+	private fun handleActivityResult(tag: String, result: Boolean) {
+		continuations.remove(tag)?.resume(result)
 	}
 
 	private fun showSslErrorDialog() {
-		val ctx = context ?: return
-		val settings = getAppSettings(ctx)
+		val ctx = host.getContext() ?: return
 		if (settings.isSSLBypassEnabled) {
 			Toast.makeText(ctx, R.string.operation_not_supported, Toast.LENGTH_SHORT).show()
 			return
@@ -127,23 +135,38 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 			.show()
 	}
 
-	private fun getAppSettings(context: Context): AppSettings {
-		return EntryPointAccessors.fromApplication<BaseActivityEntryPoint>(context).settings
+	private inline fun Host.withContext(block: Context.() -> Unit) {
+		getContext()?.apply(block)
 	}
 
-	private fun getFragmentManager() = checkNotNull(fragment?.childFragmentManager ?: activity?.supportFragmentManager)
+	interface Host : ActivityResultCaller {
+
+		fun getChildFragmentManager(): FragmentManager
+
+		fun getContext(): Context?
+	}
+
+	@AssistedFactory
+	interface Factory {
+
+		fun create(host: Host): ExceptionResolver
+	}
 
 	companion object {
 
 		@StringRes
 		fun getResolveStringId(e: Throwable) = when (e) {
 			is CloudFlareProtectedException -> R.string.captcha_solve
+			is ScrobblerAuthRequiredException,
 			is AuthRequiredException -> R.string.sign_in
+
 			is NotFoundException -> if (e.url.isNotEmpty()) R.string.open_in_browser else 0
 			is UnsupportedSourceException -> if (e.manga != null) R.string.alternatives else 0
 			is SSLException,
 			is CertPathValidatorException -> R.string.fix
 
+			is ProxyConfigException -> R.string.settings
+
 			else -> 0
 		}
 

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

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.core.model
+
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.parsers.model.SortOrder
+
+enum class GenericSortOrder(
+	@StringRes val titleResId: Int,
+	val ascending: SortOrder,
+	val descending: SortOrder,
+) {
+
+	UPDATED(R.string.updated, SortOrder.UPDATED_ASC, SortOrder.UPDATED),
+	RATING(R.string.by_rating, SortOrder.RATING_ASC, SortOrder.RATING),
+	POPULARITY(R.string.popularity, SortOrder.POPULARITY_ASC, SortOrder.POPULARITY),
+	DATE(R.string.by_date, SortOrder.NEWEST_ASC, SortOrder.NEWEST),
+	NAME(R.string.by_name, SortOrder.ALPHABETICAL, SortOrder.ALPHABETICAL_DESC),
+	;
+
+	operator fun get(direction: SortDirection): SortOrder = when (direction) {
+		SortDirection.ASC -> ascending
+		SortDirection.DESC -> descending
+	}
+
+	companion object {
+
+		fun of(order: SortOrder): GenericSortOrder = entries.first { e ->
+			e.ascending == order || e.descending == order
+		}
+	}
+}

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

@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.core.model
+
+enum class SortDirection {
+
+	ASC, DESC;
+}

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

@@ -1,8 +1,9 @@
 package org.koitharu.kotatsu.core.network
 
+import okio.IOException
+import org.koitharu.kotatsu.core.exceptions.ProxyConfigException
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
-import java.io.IOException
 import java.net.InetSocketAddress
 import java.net.Proxy
 import java.net.ProxySelector
@@ -31,9 +32,12 @@ class AppProxySelector(
 		val type = settings.proxyType
 		val address = settings.proxyAddress
 		val port = settings.proxyPort
-		if (type == Proxy.Type.DIRECT || address.isNullOrEmpty() || port == 0) {
+		if (type == Proxy.Type.DIRECT) {
 			return Proxy.NO_PROXY
 		}
+		if (address.isNullOrEmpty() || port == 0) {
+			throw ProxyConfigException()
+		}
 		cachedProxy?.let {
 			val addr = it.address() as? InetSocketAddress
 			if (addr != null && it.type() == type && addr.port == port && addr.hostString == address) {

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

@@ -38,7 +38,7 @@ class CommonHeadersInterceptor @Inject constructor(
 			null
 		}
 		val headersBuilder = request.headers.newBuilder()
-		repository?.headers?.let {
+		repository?.getRequestHeaders()?.let {
 			headersBuilder.mergeWith(it, replaceExisting = false)
 		}
 		if (headersBuilder[CommonHeaders.USER_AGENT] == null) {

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

@@ -3,28 +3,27 @@ package org.koitharu.kotatsu.core.network
 import okhttp3.Interceptor
 import okhttp3.Response
 import okhttp3.internal.closeQuietly
-import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
-import java.time.Instant
+import org.koitharu.kotatsu.parsers.exception.TooManyRequestExceptions
 import java.time.ZonedDateTime
 import java.time.format.DateTimeFormatter
+import java.util.concurrent.TimeUnit
 
 class RateLimitInterceptor : Interceptor {
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val response = chain.proceed(chain.request())
 		if (response.code == 429) {
-			val retryDate = response.header(CommonHeaders.RETRY_AFTER)?.parseRetryDate()
 			val request = response.request
 			response.closeQuietly()
 			throw TooManyRequestExceptions(
 				url = request.url.toString(),
-				retryAt = retryDate,
+				retryAfter = response.header(CommonHeaders.RETRY_AFTER)?.parseRetryAfter() ?: 0L,
 			)
 		}
 		return response
 	}
 
-	private fun String.parseRetryDate(): Instant? {
-		return toLongOrNull()?.let { Instant.now().plusSeconds(it) }
-			?: ZonedDateTime.parse(this, DateTimeFormatter.RFC_1123_DATE_TIME).toInstant()
+	private fun String.parseRetryAfter(): Long {
+		return toLongOrNull()?.let { TimeUnit.SECONDS.toMillis(it) }
+			?: ZonedDateTime.parse(this, DateTimeFormatter.RFC_1123_DATE_TIME).toInstant().toEpochMilli()
 	}
 }

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

@@ -17,6 +17,9 @@ class NetworkState(
 
 	private val callback = NetworkCallbackImpl()
 
+	override val value: Boolean
+		get() = connectivityManager.isOnline(settings)
+
 	@Synchronized
 	override fun onActive() {
 		invalidate()

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

@@ -46,6 +46,7 @@ class MangaDataRepository @Inject constructor(
 					cfBrightness = colorFilter?.brightness ?: 0f,
 					cfContrast = colorFilter?.contrast ?: 0f,
 					cfInvert = colorFilter?.isInverted ?: false,
+					cfGrayscale = colorFilter?.isGrayscale ?: false,
 				),
 			)
 		}

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

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.core.parser
 
-import okhttp3.Headers
 import okhttp3.Interceptor
 import okhttp3.Response
 import org.koitharu.kotatsu.core.cache.MemoryContentCache
@@ -65,9 +64,6 @@ class ParserMangaRepository(
 	val domains: Array<out String>
 		get() = parser.configKeyDomain.presetValues
 
-	val headers: Headers
-		get() = parser.headers
-
 	override fun intercept(chain: Interceptor.Chain): Response {
 		return if (parser is Interceptor) {
 			parser.intercept(chain)
@@ -112,6 +108,8 @@ class ParserMangaRepository(
 
 	fun getAuthProvider(): MangaParserAuthProvider? = parser as? MangaParserAuthProvider
 
+	fun getRequestHeaders() = parser.getRequestHeaders()
+
 	fun getConfigKeys(): List<ConfigKey<*>> = ArrayList<ConfigKey<*>>().also {
 		parser.onCreateConfig(it)
 	}

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

@@ -1,19 +1,12 @@
 package org.koitharu.kotatsu.core.parser.external
 
 import android.content.ContentResolver
-import android.database.Cursor
-import androidx.collection.ArraySet
-import androidx.core.database.getStringOrNull
-import androidx.core.net.toUri
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.runInterruptible
 import org.koitharu.kotatsu.core.cache.MemoryContentCache
 import org.koitharu.kotatsu.core.parser.CachingMangaRepository
-import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.parsers.model.ContentRating
-import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaListFilter
@@ -21,9 +14,6 @@ import org.koitharu.kotatsu.parsers.model.MangaPage
 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.find
-import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
-import org.koitharu.kotatsu.parsers.util.splitTwoParts
 import java.util.EnumSet
 import java.util.Locale
 
@@ -33,232 +23,58 @@ class ExternalMangaRepository(
 	cache: MemoryContentCache,
 ) : CachingMangaRepository(cache) {
 
-	private val capabilities by lazy { queryCapabilities() }
+	private val contentSource = ExternalPluginContentSource(contentResolver, source)
+
+	private val capabilities by lazy {
+		runCatching {
+			contentSource.getCapabilities()
+		}.onFailure {
+			it.printStackTraceDebug()
+		}.getOrNull()
+	}
 
 	override val sortOrders: Set<SortOrder>
 		get() = capabilities?.availableSortOrders ?: EnumSet.of(SortOrder.ALPHABETICAL)
+
 	override val states: Set<MangaState>
 		get() = capabilities?.availableStates.orEmpty()
+
 	override val contentRatings: Set<ContentRating>
 		get() = capabilities?.availableContentRating.orEmpty()
+
 	override var defaultSortOrder: SortOrder
 		get() = capabilities?.defaultSortOrder ?: SortOrder.ALPHABETICAL
 		set(value) = Unit
+
 	override val isMultipleTagsSupported: Boolean
 		get() = capabilities?.isMultipleTagsSupported ?: true
+
 	override val isTagsExclusionSupported: Boolean
 		get() = capabilities?.isTagsExclusionSupported ?: false
+
 	override val isSearchSupported: Boolean
 		get() = capabilities?.isSearchSupported ?: true
 
 	override suspend fun getList(offset: Int, filter: MangaListFilter?): List<Manga> =
-		runInterruptible(Dispatchers.Default) {
-			val uri = "content://${source.authority}/manga".toUri().buildUpon()
-			uri.appendQueryParameter("offset", offset.toString())
-			when (filter) {
-				is MangaListFilter.Advanced -> {
-					filter.tags.forEach { uri.appendQueryParameter("tag_include", it.key) }
-					filter.tagsExclude.forEach { uri.appendQueryParameter("tag_exclude", it.key) }
-					filter.states.forEach { uri.appendQueryParameter("state", it.name) }
-					filter.locale?.let { uri.appendQueryParameter("locale", it.language) }
-					filter.contentRating.forEach { uri.appendQueryParameter("content_rating", it.name) }
-				}
-
-				is MangaListFilter.Search -> {
-					uri.appendQueryParameter("query", filter.query)
-				}
-
-				null -> Unit
-			}
-			contentResolver.query(uri.build(), null, null, null, filter?.sortOrder?.name)?.use { cursor ->
-				val result = ArrayList<Manga>(cursor.count)
-				if (cursor.moveToFirst()) {
-					do {
-						result += cursor.getManga()
-					} while (cursor.moveToNext())
-				}
-				result
-			}.orEmpty()
+		runInterruptible(Dispatchers.IO) {
+			contentSource.getList(offset, filter)
 		}
 
-	override suspend fun getDetailsImpl(manga: Manga): Manga = coroutineScope {
-		val chapters = async { queryChapters(manga.url) }
-		val details = queryDetails(manga.url)
-		Manga(
-			id = manga.id,
-			title = details.title.ifBlank { manga.title },
-			altTitle = details.altTitle.ifNullOrEmpty { manga.altTitle },
-			url = details.url.ifEmpty { manga.url },
-			publicUrl = details.publicUrl.ifEmpty { manga.publicUrl },
-			rating = maxOf(details.rating, manga.rating),
-			isNsfw = details.isNsfw,
-			coverUrl = details.coverUrl.ifEmpty { manga.coverUrl },
-			tags = details.tags + manga.tags,
-			state = details.state ?: manga.state,
-			author = details.author.ifNullOrEmpty { manga.author },
-			largeCoverUrl = details.largeCoverUrl.ifNullOrEmpty { manga.largeCoverUrl },
-			description = details.description.ifNullOrEmpty { manga.description },
-			chapters = chapters.await(),
-			source = source,
-		)
+	override suspend fun getDetailsImpl(manga: Manga): Manga = runInterruptible(Dispatchers.IO) {
+		contentSource.getDetails(manga)
 	}
 
-	override suspend fun getPagesImpl(chapter: MangaChapter): List<MangaPage> = runInterruptible(Dispatchers.Default) {
-		val uri = "content://${source.authority}/chapters".toUri()
-			.buildUpon()
-			.appendPath(chapter.url)
-			.build()
-		contentResolver.query(uri, null, null, null, null)?.use { cursor ->
-			val result = ArrayList<MangaPage>(cursor.count)
-			if (cursor.moveToFirst()) {
-				do {
-					result += MangaPage(
-						id = cursor.getLong(0),
-						url = cursor.getString(1),
-						preview = cursor.getStringOrNull(2),
-						source = source,
-					)
-				} while (cursor.moveToNext())
-			}
-			result
-		}.orEmpty()
+	override suspend fun getPagesImpl(chapter: MangaChapter): List<MangaPage> = runInterruptible(Dispatchers.IO) {
+		contentSource.getPages(chapter)
 	}
 
-	override suspend fun getPageUrl(page: MangaPage): String = page.url
+	override suspend fun getPageUrl(page: MangaPage): String = page.url // TODO
 
-	override suspend fun getTags(): Set<MangaTag> = runInterruptible(Dispatchers.Default) {
-		val uri = "content://${source.authority}/tags".toUri()
-		contentResolver.query(uri, null, null, null, null)?.use { cursor ->
-			val result = ArraySet<MangaTag>(cursor.count)
-			if (cursor.moveToFirst()) {
-				do {
-					result += MangaTag(
-						key = cursor.getString(0),
-						title = cursor.getString(1),
-						source = source,
-					)
-				} while (cursor.moveToNext())
-			}
-			result
-		}.orEmpty()
+	override suspend fun getTags(): Set<MangaTag> = runInterruptible(Dispatchers.IO) {
+		contentSource.getTags()
 	}
 
-	override suspend fun getLocales(): Set<Locale> = emptySet()
+	override suspend fun getLocales(): Set<Locale> = emptySet() // TODO
 
 	override suspend fun getRelatedMangaImpl(seed: Manga): List<Manga> = emptyList() // TODO
-
-	private suspend fun queryDetails(url: String): Manga = runInterruptible(Dispatchers.Default) {
-		val uri = "content://${source.authority}/manga".toUri()
-			.buildUpon()
-			.appendPath(url)
-			.build()
-		checkNotNull(
-			contentResolver.query(uri, null, null, null, null)?.use { cursor ->
-				cursor.moveToFirst()
-				cursor.getManga()
-			},
-		)
-	}
-
-	private suspend fun queryChapters(url: String): List<MangaChapter>? = runInterruptible(Dispatchers.Default) {
-		val uri = "content://${source.authority}/manga/chapters".toUri()
-			.buildUpon()
-			.appendPath(url)
-			.build()
-		contentResolver.query(uri, null, null, null, null)?.use { cursor ->
-			val result = ArrayList<MangaChapter>(cursor.count)
-			if (cursor.moveToFirst()) {
-				do {
-					result += MangaChapter(
-						id = cursor.getLong(0),
-						name = cursor.getString(1),
-						number = cursor.getFloat(2),
-						volume = cursor.getInt(3),
-						url = cursor.getString(4),
-						scanlator = cursor.getStringOrNull(5),
-						uploadDate = cursor.getLong(6),
-						branch = cursor.getStringOrNull(7),
-						source = source,
-					)
-				} while (cursor.moveToNext())
-			}
-			result
-		}
-	}
-
-	private fun Cursor.getManga() = Manga(
-		id = getLong(0),
-		title = getString(1),
-		altTitle = getStringOrNull(2),
-		url = getString(3),
-		publicUrl = getString(4),
-		rating = getFloat(5),
-		isNsfw = getInt(6) > 1,
-		coverUrl = getString(7),
-		tags = getStringOrNull(8)?.split(':')?.mapNotNullToSet {
-			val parts = it.splitTwoParts('=') ?: return@mapNotNullToSet null
-			MangaTag(key = parts.first, title = parts.second, source = source)
-		}.orEmpty(),
-		state = getStringOrNull(9)?.let { MangaState.entries.find(it) },
-		author = optString(10),
-		largeCoverUrl = optString(11),
-		description = optString(12),
-		chapters = emptyList(),
-		source = source,
-	)
-
-	private fun Cursor.optString(columnIndex: Int): String? {
-		return if (isNull(columnIndex)) {
-			null
-		} else {
-			getString(columnIndex)
-		}
-	}
-
-	private fun queryCapabilities(): MangaSourceCapabilities? {
-		val uri = "content://${source.authority}/capabilities".toUri()
-		return contentResolver.query(uri, null, null, null, null)?.use { cursor ->
-			if (cursor.moveToFirst()) {
-				MangaSourceCapabilities(
-					availableSortOrders = cursor.getStringOrNull(0)
-						?.split(',')
-						?.mapNotNullTo(EnumSet.noneOf(SortOrder::class.java)) {
-							SortOrder.entries.find(it)
-						}.orEmpty(),
-					availableStates = cursor.getStringOrNull(1)
-						?.split(',')
-						?.mapNotNullTo(EnumSet.noneOf(MangaState::class.java)) {
-							MangaState.entries.find(it)
-						}.orEmpty(),
-					availableContentRating = cursor.getStringOrNull(2)
-						?.split(',')
-						?.mapNotNullTo(EnumSet.noneOf(ContentRating::class.java)) {
-							ContentRating.entries.find(it)
-						}.orEmpty(),
-					isMultipleTagsSupported = cursor.getInt(3) > 1,
-					isTagsExclusionSupported = cursor.getInt(4) > 1,
-					isSearchSupported = cursor.getInt(5) > 1,
-					contentType = ContentType.entries.find(cursor.getString(6)) ?: ContentType.OTHER,
-					defaultSortOrder = cursor.getStringOrNull(7)?.let {
-						SortOrder.entries.find(it)
-					} ?: SortOrder.ALPHABETICAL,
-					sourceLocale = cursor.getStringOrNull(8)?.let { Locale(it) } ?: Locale.ROOT,
-				)
-			} else {
-				null
-			}
-		}
-	}
-
-	private class MangaSourceCapabilities(
-		val availableSortOrders: Set<SortOrder>,
-		val availableStates: Set<MangaState>,
-		val availableContentRating: Set<ContentRating>,
-		val isMultipleTagsSupported: Boolean,
-		val isTagsExclusionSupported: Boolean,
-		val isSearchSupported: Boolean,
-		val contentType: ContentType,
-		val defaultSortOrder: SortOrder,
-		val sourceLocale: Locale,
-	)
 }

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

@@ -0,0 +1,286 @@
+package org.koitharu.kotatsu.core.parser.external
+
+import android.content.ContentResolver
+import android.database.Cursor
+import androidx.annotation.WorkerThread
+import androidx.collection.ArraySet
+import androidx.core.net.toUri
+import org.jetbrains.annotations.Blocking
+import org.koitharu.kotatsu.core.exceptions.IncompatiblePluginException
+import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
+import org.koitharu.kotatsu.core.util.ext.toLocale
+import org.koitharu.kotatsu.parsers.model.ContentRating
+import org.koitharu.kotatsu.parsers.model.ContentType
+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.MangaState
+import org.koitharu.kotatsu.parsers.model.MangaTag
+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.splitTwoParts
+import java.util.EnumSet
+import java.util.Locale
+
+class ExternalPluginContentSource(
+	private val contentResolver: ContentResolver,
+	private val source: ExternalMangaSource,
+) {
+
+	@Blocking
+	@WorkerThread
+	fun getList(offset: Int, filter: MangaListFilter?): List<Manga> {
+		val uri = "content://${source.authority}/manga".toUri().buildUpon()
+		uri.appendQueryParameter("offset", offset.toString())
+		when (filter) {
+			is MangaListFilter.Advanced -> {
+				filter.tags.forEach { uri.appendQueryParameter("tags_include", "${it.key}=${it.title}") }
+				filter.tagsExclude.forEach { uri.appendQueryParameter("tags_exclude", "${it.key}=${it.title}") }
+				filter.states.forEach { uri.appendQueryParameter("state", it.name) }
+				filter.locale?.let { uri.appendQueryParameter("locale", it.language) }
+				filter.contentRating.forEach { uri.appendQueryParameter("content_rating", it.name) }
+			}
+
+			is MangaListFilter.Search -> {
+				uri.appendQueryParameter("query", filter.query)
+			}
+
+			null -> Unit
+		}
+		return contentResolver.query(uri.build(), null, null, null, filter?.sortOrder?.name)
+			.safe()
+			.use { cursor ->
+				val result = ArrayList<Manga>(cursor.count)
+				if (cursor.moveToFirst()) {
+					do {
+						result += cursor.getManga()
+					} while (cursor.moveToNext())
+				}
+				result
+			}
+	}
+
+	@Blocking
+	@WorkerThread
+	fun getDetails(manga: Manga): Manga {
+		val chapters = queryChapters(manga.url)
+		val details = queryDetails(manga.url)
+		return Manga(
+			id = manga.id,
+			title = details.title.ifBlank { manga.title },
+			altTitle = details.altTitle.ifNullOrEmpty { manga.altTitle },
+			url = details.url.ifEmpty { manga.url },
+			publicUrl = details.publicUrl.ifEmpty { manga.publicUrl },
+			rating = maxOf(details.rating, manga.rating),
+			isNsfw = details.isNsfw,
+			coverUrl = details.coverUrl.ifEmpty { manga.coverUrl },
+			tags = details.tags + manga.tags,
+			state = details.state ?: manga.state,
+			author = details.author.ifNullOrEmpty { manga.author },
+			largeCoverUrl = details.largeCoverUrl.ifNullOrEmpty { manga.largeCoverUrl },
+			description = details.description.ifNullOrEmpty { manga.description },
+			chapters = chapters,
+			source = source,
+		)
+	}
+
+	@Blocking
+	@WorkerThread
+	fun getPages(chapter: MangaChapter): List<MangaPage> {
+		val uri = "content://${source.authority}/chapters".toUri()
+			.buildUpon()
+			.appendPath(chapter.url)
+			.build()
+		return contentResolver.query(uri, null, null, null, null)
+			.safe()
+			.use { cursor ->
+				val result = ArrayList<MangaPage>(cursor.count)
+				if (cursor.moveToFirst()) {
+					do {
+						result += MangaPage(
+							id = cursor.getLong(COLUMN_ID),
+							url = cursor.getString(COLUMN_URL),
+							preview = cursor.getStringOrNull(COLUMN_PREVIEW),
+							source = source,
+						)
+					} while (cursor.moveToNext())
+				}
+				result
+			}
+	}
+
+	@Blocking
+	@WorkerThread
+	fun getTags(): Set<MangaTag> {
+		val uri = "content://${source.authority}/tags".toUri()
+		return contentResolver.query(uri, null, null, null, null)
+			.safe()
+			.use { cursor ->
+				val result = ArraySet<MangaTag>(cursor.count)
+				if (cursor.moveToFirst()) {
+					do {
+						result += MangaTag(
+							key = cursor.getString(COLUMN_KEY),
+							title = cursor.getString(COLUMN_TITLE),
+							source = source,
+						)
+					} while (cursor.moveToNext())
+				}
+				result
+			}
+	}
+
+	fun getCapabilities(): MangaSourceCapabilities? {
+		val uri = "content://${source.authority}/capabilities".toUri()
+		return contentResolver.query(uri, null, null, null, null)
+			.safe()
+			.use { cursor ->
+				if (cursor.moveToFirst()) {
+					MangaSourceCapabilities(
+						availableSortOrders = cursor.getStringOrNull(COLUMN_SORT_ORDERS)
+							?.split(',')
+							?.mapNotNullTo(EnumSet.noneOf(SortOrder::class.java)) {
+								SortOrder.entries.find(it)
+							}.orEmpty(),
+						availableStates = cursor.getStringOrNull(COLUMN_STATES)
+							?.split(',')
+							?.mapNotNullTo(EnumSet.noneOf(MangaState::class.java)) {
+								MangaState.entries.find(it)
+							}.orEmpty(),
+						availableContentRating = cursor.getStringOrNull(COLUMN_CONTENT_RATING)
+							?.split(',')
+							?.mapNotNullTo(EnumSet.noneOf(ContentRating::class.java)) {
+								ContentRating.entries.find(it)
+							}.orEmpty(),
+						isMultipleTagsSupported = cursor.getBooleanOrDefault(COLUMN_MULTIPLE_TAGS_SUPPORTED, true),
+						isTagsExclusionSupported = cursor.getBooleanOrDefault(COLUMN_TAGS_EXCLUSION_SUPPORTED, false),
+						isSearchSupported = cursor.getBooleanOrDefault(COLUMN_SEARCH_SUPPORTED, true),
+						contentType = cursor.getStringOrNull(COLUMN_CONTENT_TYPE)?.let {
+							ContentType.entries.find(it)
+						} ?: ContentType.OTHER,
+						defaultSortOrder = cursor.getStringOrNull(COLUMN_DEFAULT_SORT_ORDER)?.let {
+							SortOrder.entries.find(it)
+						} ?: SortOrder.ALPHABETICAL,
+						sourceLocale = cursor.getStringOrNull(COLUMN_LOCALE)?.toLocale() ?: Locale.ROOT,
+					)
+				} else {
+					null
+				}
+			}
+	}
+
+	private fun queryDetails(url: String): Manga {
+		val uri = "content://${source.authority}/manga".toUri()
+			.buildUpon()
+			.appendPath(url)
+			.build()
+		return contentResolver.query(uri, null, null, null, null)
+			.safe()
+			.use { cursor ->
+				cursor.moveToFirst()
+				cursor.getManga()
+			}
+	}
+
+	private fun queryChapters(url: String): List<MangaChapter> {
+		val uri = "content://${source.authority}/manga/chapters".toUri()
+			.buildUpon()
+			.appendPath(url)
+			.build()
+		return contentResolver.query(uri, null, null, null, null)
+			.safe()
+			.use { cursor ->
+				val result = ArrayList<MangaChapter>(cursor.count)
+				if (cursor.moveToFirst()) {
+					do {
+						result += MangaChapter(
+							id = cursor.getLong(COLUMN_ID),
+							name = cursor.getString(COLUMN_NAME),
+							number = cursor.getFloatOrDefault(COLUMN_NUMBER, 0f),
+							volume = cursor.getIntOrDefault(COLUMN_VOLUME, 0),
+							url = cursor.getString(COLUMN_URL),
+							scanlator = cursor.getStringOrNull(COLUMN_SCANLATOR),
+							uploadDate = cursor.getLongOrDefault(COLUMN_UPLOAD_DATE, 0L),
+							branch = cursor.getStringOrNull(COLUMN_BRANCH),
+							source = source,
+						)
+					} while (cursor.moveToNext())
+				}
+				result
+			}
+	}
+
+	private fun ExternalPluginCursor.getManga() = Manga(
+		id = getLong(COLUMN_ID),
+		title = getString(COLUMN_TITLE),
+		altTitle = getStringOrNull(COLUMN_ALT_TITLE),
+		url = getString(COLUMN_URL),
+		publicUrl = getString(COLUMN_PUBLIC_URL),
+		rating = getFloat(COLUMN_RATING),
+		isNsfw = getBooleanOrDefault(COLUMN_IS_NSFW, false),
+		coverUrl = getString(COLUMN_COVER_URL),
+		tags = getStringOrNull(COLUMN_TAGS)?.split(':')?.mapNotNullToSet {
+			val parts = it.splitTwoParts('=') ?: return@mapNotNullToSet null
+			MangaTag(key = parts.first, title = parts.second, source = source)
+		}.orEmpty(),
+		state = getStringOrNull(COLUMN_STATE)?.let { MangaState.entries.find(it) },
+		author = getStringOrNull(COLUMN_AUTHOR),
+		largeCoverUrl = getStringOrNull(COLUMN_LARGE_COVER_URL),
+		description = getStringOrNull(COLUMN_DESCRIPTION),
+		chapters = emptyList(),
+		source = source,
+	)
+
+	private fun Cursor?.safe() = ExternalPluginCursor(
+		source = source,
+		cursor = this ?: throw IncompatiblePluginException(source.name, null),
+	)
+
+	class MangaSourceCapabilities(
+		val availableSortOrders: Set<SortOrder>,
+		val availableStates: Set<MangaState>,
+		val availableContentRating: Set<ContentRating>,
+		val isMultipleTagsSupported: Boolean,
+		val isTagsExclusionSupported: Boolean,
+		val isSearchSupported: Boolean,
+		val contentType: ContentType,
+		val defaultSortOrder: SortOrder,
+		val sourceLocale: Locale,
+	)
+
+	private companion object {
+
+		const val COLUMN_SORT_ORDERS = "sort_orders"
+		const val COLUMN_STATES = "states"
+		const val COLUMN_CONTENT_RATING = "content_rating"
+		const val COLUMN_MULTIPLE_TAGS_SUPPORTED = "multiple_tags_supported"
+		const val COLUMN_TAGS_EXCLUSION_SUPPORTED = "tags_exclusion_supported"
+		const val COLUMN_SEARCH_SUPPORTED = "search_supported"
+		const val COLUMN_CONTENT_TYPE = "content_type"
+		const val COLUMN_DEFAULT_SORT_ORDER = "default_sort_order"
+		const val COLUMN_LOCALE = "locale"
+		const val COLUMN_ID = "id"
+		const val COLUMN_NAME = "name"
+		const val COLUMN_NUMBER = "number"
+		const val COLUMN_VOLUME = "volume"
+		const val COLUMN_URL = "url"
+		const val COLUMN_SCANLATOR = "scanlator"
+		const val COLUMN_UPLOAD_DATE = "upload_date"
+		const val COLUMN_BRANCH = "branch"
+		const val COLUMN_TITLE = "title"
+		const val COLUMN_ALT_TITLE = "alt_title"
+		const val COLUMN_PUBLIC_URL = "public_url"
+		const val COLUMN_RATING = "rating"
+		const val COLUMN_IS_NSFW = "is_nsfw"
+		const val COLUMN_COVER_URL = "cover_url"
+		const val COLUMN_TAGS = "tags"
+		const val COLUMN_STATE = "state"
+		const val COLUMN_AUTHOR = "author"
+		const val COLUMN_LARGE_COVER_URL = "large_cover_url"
+		const val COLUMN_DESCRIPTION = "description"
+		const val COLUMN_PREVIEW = "preview"
+		const val COLUMN_KEY = "key"
+	}
+}

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

@@ -0,0 +1,70 @@
+package org.koitharu.kotatsu.core.parser.external
+
+import android.database.Cursor
+import android.database.CursorWrapper
+import org.koitharu.kotatsu.core.exceptions.IncompatiblePluginException
+import org.koitharu.kotatsu.core.util.ext.getBoolean
+
+class ExternalPluginCursor(private val source: ExternalMangaSource, cursor: Cursor) : CursorWrapper(cursor) {
+
+	override fun getColumnIndexOrThrow(columnName: String?): Int = try {
+		super.getColumnIndexOrThrow(columnName)
+	} catch (e: Exception) {
+		throw IncompatiblePluginException(source.name, e)
+	}
+
+	fun getString(columnName: String): String = getString(getColumnIndexOrThrow(columnName))
+
+	fun getStringOrNull(columnName: String): String? {
+		val columnIndex = getColumnIndex(columnName)
+		return when {
+			columnIndex < 0 -> null
+			isNull(columnIndex) -> null
+			else -> getString(columnIndex)
+		}
+	}
+
+	fun getBoolean(columnName: String): Boolean = getBoolean(getColumnIndexOrThrow(columnName))
+
+	fun getBooleanOrDefault(columnName: String, defaultValue: Boolean): Boolean {
+		val columnIndex = getColumnIndex(columnName)
+		return when {
+			columnIndex < 0 -> defaultValue
+			isNull(columnIndex) -> defaultValue
+			else -> getBoolean(columnIndex)
+		}
+	}
+
+	fun getInt(columnName: String): Int = getInt(getColumnIndexOrThrow(columnName))
+
+	fun getIntOrDefault(columnName: String, defaultValue: Int): Int {
+		val columnIndex = getColumnIndex(columnName)
+		return when {
+			columnIndex < 0 -> defaultValue
+			isNull(columnIndex) -> defaultValue
+			else -> getInt(columnIndex)
+		}
+	}
+
+	fun getLong(columnName: String): Long = getLong(getColumnIndexOrThrow(columnName))
+
+	fun getLongOrDefault(columnName: String, defaultValue: Long): Long {
+		val columnIndex = getColumnIndex(columnName)
+		return when {
+			columnIndex < 0 -> defaultValue
+			isNull(columnIndex) -> defaultValue
+			else -> getLong(columnIndex)
+		}
+	}
+
+	fun getFloat(columnName: String): Float = getFloat(getColumnIndexOrThrow(columnName))
+
+	fun getFloatOrDefault(columnName: String, defaultValue: Float): Float {
+		val columnIndex = getColumnIndex(columnName)
+		return when {
+			columnIndex < 0 -> defaultValue
+			isNull(columnIndex) -> defaultValue
+			else -> getFloat(columnIndex)
+		}
+	}
+}

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

@@ -85,6 +85,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getInt(KEY_GRID_SIZE_PAGES, 100)
 		set(value) = prefs.edit { putInt(KEY_GRID_SIZE_PAGES, value) }
 
+	val isQuickFilterEnabled: Boolean
+		get() = prefs.getBoolean(KEY_QUICK_FILTER, true)
+
 	var historyListMode: ListMode
 		get() = prefs.getEnumValue(KEY_LIST_MODE_HISTORY, listMode)
 		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_HISTORY, value) }
@@ -696,6 +699,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_FEED_HEADER = "feed_header"
 		const val KEY_SEARCH_SUGGESTION_TYPES = "search_suggest_types"
 		const val KEY_SOURCES_VERSION = "sources_version"
+		const val KEY_QUICK_FILTER = "quick_filter"
 
 		// keys for non-persistent preferences
 		const val KEY_APP_VERSION = "app_version"
@@ -704,6 +708,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOGS_SHARE = "logs_share"
 		const val KEY_APP_UPDATE = "app_update"
 		const val KEY_APP_TRANSLATION = "about_app_translation"
+		const val PROXY_TEST = "proxy_test"
 
 		// old keys are for migration only
 		private const val KEY_IMAGES_PROXY_OLD = "images_proxy"

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

@@ -16,10 +16,6 @@ abstract class AlertDialogFragment<B : ViewBinding> : DialogFragment() {
 	var viewBinding: B? = null
 		private set
 
-	@Deprecated("", ReplaceWith("requireViewBinding()"))
-	protected val binding: B
-		get() = requireViewBinding()
-
 	final override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
 		val binding = onCreateViewBinding(layoutInflater, null)
 		viewBinding = binding
@@ -51,9 +47,6 @@ abstract class AlertDialogFragment<B : ViewBinding> : DialogFragment() {
 
 	open fun onDialogCreated(dialog: AlertDialog) = Unit
 
-	@Deprecated("", ReplaceWith("viewBinding"))
-	protected fun bindingOrNull() = viewBinding
-
 	fun requireViewBinding(): B = checkNotNull(viewBinding) {
 		"Fragment $this did not return a ViewBinding from onCreateView() or this was called before onCreateView()."
 	}

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

@@ -14,25 +14,22 @@ import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.Toolbar
 import androidx.core.app.ActivityCompat
 import androidx.core.view.WindowCompat
+import androidx.fragment.app.FragmentManager
 import androidx.viewbinding.ViewBinding
-import dagger.hilt.EntryPoint
-import dagger.hilt.InstallIn
 import dagger.hilt.android.EntryPointAccessors
-import dagger.hilt.components.SingletonComponent
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flowOf
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.util.ActionModeDelegate
 import org.koitharu.kotatsu.core.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.util.ext.isWebViewUnavailable
 import org.koitharu.kotatsu.main.ui.protect.ScreenshotPolicyHelper
 
-@Suppress("LeakingThis")
 abstract class BaseActivity<B : ViewBinding> :
 	AppCompatActivity(),
+	ExceptionResolver.Host,
 	ScreenshotPolicyHelper.ContentContainer,
 	WindowInsetsDelegate.WindowInsetsListener {
 
@@ -41,8 +38,8 @@ abstract class BaseActivity<B : ViewBinding> :
 	lateinit var viewBinding: B
 		private set
 
-	@JvmField
-	protected val exceptionResolver = ExceptionResolver(this)
+	protected lateinit var exceptionResolver: ExceptionResolver
+		private set
 
 	@JvmField
 	protected val insetsDelegate = WindowInsetsDelegate()
@@ -53,13 +50,15 @@ abstract class BaseActivity<B : ViewBinding> :
 	private var defaultStatusBarColor = Color.TRANSPARENT
 
 	override fun onCreate(savedInstanceState: Bundle?) {
-		val settings = EntryPointAccessors.fromApplication(this, BaseActivityEntryPoint::class.java).settings
+		val entryPoint = EntryPointAccessors.fromApplication<BaseActivityEntryPoint>(this)
+		val settings = entryPoint.settings
 		isAmoledTheme = settings.isAmoledTheme
 		setTheme(settings.colorScheme.styleResId)
 		if (isAmoledTheme) {
 			setTheme(R.style.ThemeOverlay_Kotatsu_Amoled)
 		}
 		putDataToExtras(intent)
+		exceptionResolver = entryPoint.exceptionResolverFactory.create(this)
 		super.onCreate(savedInstanceState)
 		WindowCompat.setDecorFitsSystemWindows(window, false)
 		insetsDelegate.handleImeInsets = true
@@ -88,6 +87,10 @@ abstract class BaseActivity<B : ViewBinding> :
 		setupToolbar()
 	}
 
+	override fun getContext() = this
+
+	override fun getChildFragmentManager(): FragmentManager = supportFragmentManager
+
 	protected fun setContentView(binding: B) {
 		this.viewBinding = binding
 		super.setContentView(binding.root)
@@ -178,12 +181,6 @@ abstract class BaseActivity<B : ViewBinding> :
 
 	protected fun hasViewBinding() = ::viewBinding.isInitialized
 
-	@EntryPoint
-	@InstallIn(SingletonComponent::class)
-	interface BaseActivityEntryPoint {
-		val settings: AppSettings
-	}
-
 	companion object {
 
 		const val EXTRA_DATA = "data"

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

@@ -0,0 +1,16 @@
+package org.koitharu.kotatsu.core.ui
+
+import dagger.hilt.EntryPoint
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
+import org.koitharu.kotatsu.core.prefs.AppSettings
+
+@EntryPoint
+@InstallIn(SingletonComponent::class)
+interface BaseActivityEntryPoint {
+
+	val settings: AppSettings
+
+	val exceptionResolverFactory: ExceptionResolver.Factory
+}

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

@@ -1,29 +1,27 @@
 package org.koitharu.kotatsu.core.ui
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.viewbinding.ViewBinding
+import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.ui.util.ActionModeDelegate
 import org.koitharu.kotatsu.core.ui.util.WindowInsetsDelegate
 
-@Suppress("LeakingThis")
 abstract class BaseFragment<B : ViewBinding> :
 	Fragment(),
+	ExceptionResolver.Host,
 	WindowInsetsDelegate.WindowInsetsListener {
 
 	var viewBinding: B? = null
 		private set
 
-	@Deprecated("", ReplaceWith("requireViewBinding()"))
-	protected val binding: B
-		get() = requireViewBinding()
-
-	@JvmField
-	protected val exceptionResolver = ExceptionResolver(this)
+	protected lateinit var exceptionResolver: ExceptionResolver
+		private set
 
 	@JvmField
 	protected val insetsDelegate = WindowInsetsDelegate()
@@ -31,6 +29,12 @@ abstract class BaseFragment<B : ViewBinding> :
 	protected val actionModeDelegate: ActionModeDelegate
 		get() = (requireActivity() as BaseActivity<*>).actionModeDelegate
 
+	override fun onAttach(context: Context) {
+		super.onAttach(context)
+		val entryPoint = EntryPointAccessors.fromApplication<BaseActivityEntryPoint>(context)
+		exceptionResolver = entryPoint.exceptionResolverFactory.create(this)
+	}
+
 	final override fun onCreateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
@@ -59,9 +63,6 @@ abstract class BaseFragment<B : ViewBinding> :
 		"Fragment $this did not return a ViewBinding from onCreateView() or this was called before onCreateView()."
 	}
 
-	@Deprecated("", ReplaceWith("viewBinding"))
-	protected fun bindingOrNull() = viewBinding
-
 	protected abstract fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): B
 
 	protected open fun onViewBindingCreated(binding: B, savedInstanceState: Bundle?) = Unit

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

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.ui
 
 import android.content.ActivityNotFoundException
+import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.view.View
@@ -12,7 +13,9 @@ import androidx.preference.PreferenceFragmentCompat
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
+import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.util.RecyclerViewOwner
 import org.koitharu.kotatsu.core.ui.util.WindowInsetsDelegate
@@ -25,7 +28,11 @@ import javax.inject.Inject
 abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 	PreferenceFragmentCompat(),
 	WindowInsetsDelegate.WindowInsetsListener,
-	RecyclerViewOwner {
+	RecyclerViewOwner,
+	ExceptionResolver.Host {
+
+	protected lateinit var exceptionResolver: ExceptionResolver
+		private set
 
 	@Inject
 	lateinit var settings: AppSettings
@@ -36,6 +43,12 @@ abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 	override val recyclerView: RecyclerView
 		get() = listView
 
+	override fun onAttach(context: Context) {
+		super.onAttach(context)
+		val entryPoint = EntryPointAccessors.fromApplication<BaseActivityEntryPoint>(context)
+		exceptionResolver = entryPoint.exceptionResolverFactory.create(this)
+	}
+
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		val themedContext = (view.parentView ?: view).context

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

@@ -52,8 +52,8 @@ open class ReorderableListAdapter<T : ListModel> : ListDelegationAdapter<List<T>
 	}
 
 	protected class DiffCallback<T : ListModel>(
-		val oldList: List<T>,
-		val newList: List<T>,
+		private val oldList: List<T>,
+		private val newList: List<T>,
 	) : DiffUtil.Callback() {
 
 		override fun getOldListSize(): Int = oldList.size
@@ -71,5 +71,11 @@ open class ReorderableListAdapter<T : ListModel> : ListDelegationAdapter<List<T>
 			val newItem = newList[newItemPosition]
 			return newItem == oldItem
 		}
+
+		override fun getChangePayload(oldItemPosition: Int, newItemPosition: Int): Any? {
+			val oldItem = oldList[oldItemPosition]
+			val newItem = newList[newItemPosition]
+			return newItem.getChangePayload(oldItem)
+		}
 	}
 }

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

@@ -0,0 +1,67 @@
+package org.koitharu.kotatsu.core.ui.dialog
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.widget.CompoundButton.OnCheckedChangeListener
+import androidx.annotation.StringRes
+import androidx.appcompat.app.AlertDialog
+import androidx.core.view.updatePadding
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.hannesdorfmann.adapterdelegates4.AdapterDelegate
+import com.hannesdorfmann.adapterdelegates4.AdapterDelegatesManager
+import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.databinding.DialogCheckboxBinding
+import com.google.android.material.R as materialR
+
+inline fun buildAlertDialog(
+	context: Context,
+	isCentered: Boolean = false,
+	block: MaterialAlertDialogBuilder.() -> Unit,
+): AlertDialog = MaterialAlertDialogBuilder(
+	context,
+	if (isCentered) materialR.style.ThemeOverlay_Material3_MaterialAlertDialog_Centered else 0,
+).apply(block).create()
+
+fun <B : AlertDialog.Builder> B.setCheckbox(
+	@StringRes textResId: Int,
+	isChecked: Boolean,
+	onCheckedChangeListener: OnCheckedChangeListener
+) = apply {
+	val binding = DialogCheckboxBinding.inflate(LayoutInflater.from(context))
+	binding.checkbox.setText(textResId)
+	binding.checkbox.isChecked = isChecked
+	binding.checkbox.setOnCheckedChangeListener(onCheckedChangeListener)
+	setView(binding.root)
+}
+
+fun <B : AlertDialog.Builder, T> B.setRecyclerViewList(
+	list: List<T>,
+	delegate: AdapterDelegate<List<T>>,
+) = apply {
+	val delegatesManager = AdapterDelegatesManager<List<T>>()
+	delegatesManager.addDelegate(delegate)
+	setRecyclerViewList(ListDelegationAdapter(delegatesManager).also { it.items = list })
+}
+
+fun <B : AlertDialog.Builder, T> B.setRecyclerViewList(
+	list: List<T>,
+	vararg delegates: AdapterDelegate<List<T>>,
+) = apply {
+	val delegatesManager = AdapterDelegatesManager<List<T>>()
+	delegates.forEach { delegatesManager.addDelegate(it) }
+	setRecyclerViewList(ListDelegationAdapter(delegatesManager).also { it.items = list })
+}
+
+fun <B : AlertDialog.Builder> B.setRecyclerViewList(adapter: RecyclerView.Adapter<*>) = apply {
+	val recyclerView = RecyclerView(context)
+	recyclerView.layoutManager = LinearLayoutManager(context)
+	recyclerView.updatePadding(
+		top = context.resources.getDimensionPixelOffset(R.dimen.list_spacing),
+	)
+	recyclerView.clipToPadding = false
+	recyclerView.adapter = adapter
+	setView(recyclerView)
+}

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

@@ -1,80 +0,0 @@
-package org.koitharu.kotatsu.core.ui.dialog
-
-import android.content.Context
-import android.content.DialogInterface
-import android.view.LayoutInflater
-import androidx.annotation.DrawableRes
-import androidx.annotation.StringRes
-import androidx.appcompat.app.AlertDialog
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import org.koitharu.kotatsu.databinding.DialogCheckboxBinding
-
-class CheckBoxAlertDialog private constructor(private val delegate: AlertDialog) :
-	DialogInterface by delegate {
-
-	fun show() = delegate.show()
-
-	class Builder(context: Context) {
-
-		private val binding = DialogCheckboxBinding.inflate(LayoutInflater.from(context))
-
-		private val delegate = MaterialAlertDialogBuilder(context)
-			.setView(binding.root)
-
-		fun setTitle(@StringRes titleResId: Int): Builder {
-			delegate.setTitle(titleResId)
-			return this
-		}
-
-		fun setTitle(title: CharSequence): Builder {
-			delegate.setTitle(title)
-			return this
-		}
-
-		fun setMessage(@StringRes messageId: Int): Builder {
-			delegate.setMessage(messageId)
-			return this
-		}
-
-		fun setMessage(message: CharSequence): Builder {
-			delegate.setMessage(message)
-			return this
-		}
-
-		fun setCheckBoxText(@StringRes textId: Int): Builder {
-			binding.checkbox.setText(textId)
-			return this
-		}
-
-		fun setCheckBoxChecked(isChecked: Boolean): Builder {
-			binding.checkbox.isChecked = isChecked
-			return this
-		}
-
-		fun setIcon(@DrawableRes iconId: Int): Builder {
-			delegate.setIcon(iconId)
-			return this
-		}
-
-		fun setPositiveButton(
-			@StringRes textId: Int,
-			listener: (DialogInterface, Boolean) -> Unit
-		): Builder {
-			delegate.setPositiveButton(textId) { dialog, _ ->
-				listener(dialog, binding.checkbox.isChecked)
-			}
-			return this
-		}
-
-		fun setNegativeButton(
-			@StringRes textId: Int,
-			listener: DialogInterface.OnClickListener? = null
-		): Builder {
-			delegate.setNegativeButton(textId, listener)
-			return this
-		}
-
-		fun create() = CheckBoxAlertDialog(delegate.create())
-
-	}
-}

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

@@ -1,101 +0,0 @@
-package org.koitharu.kotatsu.core.ui.dialog
-
-import android.content.Context
-import android.content.DialogInterface
-import androidx.annotation.DrawableRes
-import androidx.annotation.StringRes
-import androidx.appcompat.app.AlertDialog
-import androidx.core.view.updatePadding
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import com.hannesdorfmann.adapterdelegates4.AdapterDelegate
-import com.hannesdorfmann.adapterdelegates4.AdapterDelegatesManager
-import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
-import org.koitharu.kotatsu.R
-
-class RecyclerViewAlertDialog private constructor(
-	private val delegate: AlertDialog
-) : DialogInterface by delegate {
-
-	fun show() = delegate.show()
-
-	class Builder<T>(context: Context) {
-
-		private val recyclerView = RecyclerView(context)
-		private val delegatesManager = AdapterDelegatesManager<List<T>>()
-		private var items: List<T>? = null
-
-		private val delegate = MaterialAlertDialogBuilder(context)
-			.setView(recyclerView)
-
-		init {
-			recyclerView.layoutManager = LinearLayoutManager(context)
-			recyclerView.updatePadding(
-				top = context.resources.getDimensionPixelOffset(R.dimen.list_spacing),
-			)
-			recyclerView.clipToPadding = false
-		}
-
-		fun setTitle(@StringRes titleResId: Int): Builder<T> {
-			delegate.setTitle(titleResId)
-			return this
-		}
-
-		fun setTitle(title: CharSequence): Builder<T> {
-			delegate.setTitle(title)
-			return this
-		}
-
-		fun setIcon(@DrawableRes iconId: Int): Builder<T> {
-			delegate.setIcon(iconId)
-			return this
-		}
-
-		fun setPositiveButton(
-			@StringRes textId: Int,
-			listener: DialogInterface.OnClickListener,
-		): Builder<T> {
-			delegate.setPositiveButton(textId, listener)
-			return this
-		}
-
-		fun setNegativeButton(
-			@StringRes textId: Int,
-			listener: DialogInterface.OnClickListener? = null
-		): Builder<T> {
-			delegate.setNegativeButton(textId, listener)
-			return this
-		}
-
-		fun setNeutralButton(
-			@StringRes textId: Int,
-			listener: DialogInterface.OnClickListener,
-		): Builder<T> {
-			delegate.setNeutralButton(textId, listener)
-			return this
-		}
-
-		fun setCancelable(isCancelable: Boolean): Builder<T> {
-			delegate.setCancelable(isCancelable)
-			return this
-		}
-
-		fun addAdapterDelegate(subject: AdapterDelegate<List<T>>): Builder<T> {
-			delegatesManager.addDelegate(subject)
-			return this
-		}
-
-		fun setItems(list: List<T>): Builder<T> {
-			items = list
-			return this
-		}
-
-		fun create(): RecyclerViewAlertDialog {
-			recyclerView.adapter = ListDelegationAdapter(delegatesManager).also {
-				it.items = items
-			}
-			return RecyclerViewAlertDialog(delegate.create())
-		}
-	}
-}

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

@@ -0,0 +1,16 @@
+package org.koitharu.kotatsu.core.ui.dialog
+
+import android.widget.CompoundButton
+import android.widget.CompoundButton.OnCheckedChangeListener
+
+class RememberCheckListener(
+	initialValue: Boolean,
+) : OnCheckedChangeListener {
+
+	var isChecked: Boolean = initialValue
+		private set
+
+	override fun onCheckedChanged(buttonView: CompoundButton?, isChecked: Boolean) {
+		this.isChecked = isChecked
+	}
+}

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

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.core.ui.list
+
+import androidx.recyclerview.widget.RecyclerView
+
+abstract class BaseListSelectionCallback(
+	protected val recyclerView: RecyclerView,
+) : ListSelectionController.Callback {
+
+	override fun onSelectionChanged(controller: ListSelectionController, count: Int) {
+		recyclerView.invalidateItemDecorations()
+	}
+}

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

@@ -25,7 +25,7 @@ class ListSelectionController(
 	private val appCompatDelegate: AppCompatDelegate,
 	private val decoration: AbstractSelectionItemDecoration,
 	private val registryOwner: SavedStateRegistryOwner,
-	private val callback: Callback2,
+	private val callback: Callback,
 ) : ActionMode.Callback, SavedStateRegistry.SavedStateProvider {
 
 	private var actionMode: ActionMode? = null
@@ -130,43 +130,7 @@ class ListSelectionController(
 		notifySelectionChanged()
 	}
 
-	@Deprecated("")
-	interface Callback : Callback2 {
-
-		fun onSelectionChanged(count: Int)
-
-		fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean
-
-		fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean
-
-		fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean
-
-		fun onDestroyActionMode(mode: ActionMode) = Unit
-
-		override fun onSelectionChanged(controller: ListSelectionController, count: Int) {
-			onSelectionChanged(count)
-		}
-
-		override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
-			return onCreateActionMode(mode, menu)
-		}
-
-		override fun onPrepareActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
-			return onPrepareActionMode(mode, menu)
-		}
-
-		override fun onActionItemClicked(
-			controller: ListSelectionController,
-			mode: ActionMode,
-			item: MenuItem,
-		): Boolean = onActionItemClicked(mode, item)
-
-		override fun onDestroyActionMode(controller: ListSelectionController, mode: ActionMode) {
-			onDestroyActionMode(mode)
-		}
-	}
-
-	interface Callback2 {
+	interface Callback {
 
 		fun onSelectionChanged(controller: ListSelectionController, count: Int)
 

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.ui.list.lifecycle
 
+import android.view.View
 import androidx.core.view.children
 import androidx.viewpager2.widget.ViewPager2
 import org.koitharu.kotatsu.core.util.ext.recyclerView
@@ -8,16 +9,63 @@ class PagerLifecycleDispatcher(
 	private val pager: ViewPager2,
 ) : ViewPager2.OnPageChangeCallback() {
 
+	private var pendingUpdate: OneShotLayoutListener? = null
+
 	override fun onPageSelected(position: Int) {
-		super.onPageSelected(position)
-		val rv = pager.recyclerView ?: return
-		for (child in rv.children) {
-			val wh = rv.getChildViewHolder(child) ?: continue
-			(wh as? LifecycleAwareViewHolder)?.setIsCurrent(wh.absoluteAdapterPosition == position)
-		}
+		setResumedPage(position)
 	}
 
 	fun invalidate() {
-		onPageSelected(pager.currentItem)
+		setResumedPage(pager.currentItem)
+	}
+
+	fun postInvalidate() = pager.post {
+		invalidate()
+	}
+
+	private fun setResumedPage(position: Int) {
+		pendingUpdate?.cancel()
+		pendingUpdate = null
+		var hasResumedItem = false
+		val rv = pager.recyclerView ?: return
+		if (rv.childCount == 0) {
+			return
+		}
+		for (child in rv.children) {
+			val wh = rv.getChildViewHolder(child) ?: continue
+			val isCurrent = wh.absoluteAdapterPosition == position
+			(wh as? LifecycleAwareViewHolder)?.setIsCurrent(isCurrent)
+			if (isCurrent) {
+				hasResumedItem = true
+			}
+		}
+		if (!hasResumedItem) {
+			rv.addOnLayoutChangeListener(OneShotLayoutListener(rv, position).also { pendingUpdate = it })
+		}
+	}
+
+	private inner class OneShotLayoutListener(
+		private val view: View,
+		private val targetPosition: Int,
+	) : View.OnLayoutChangeListener {
+
+		override fun onLayoutChange(
+			v: View?,
+			left: Int,
+			top: Int,
+			right: Int,
+			bottom: Int,
+			oldLeft: Int,
+			oldTop: Int,
+			oldRight: Int,
+			oldBottom: Int
+		) {
+			view.removeOnLayoutChangeListener(this)
+			setResumedPage(targetPosition)
+		}
+
+		fun cancel() {
+			view.removeOnLayoutChangeListener(this)
+		}
 	}
 }

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

@@ -2,15 +2,45 @@ package org.koitharu.kotatsu.core.ui.model
 
 import androidx.annotation.StringRes
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.SortDirection
 import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.model.SortOrder.ALPHABETICAL
+import org.koitharu.kotatsu.parsers.model.SortOrder.ALPHABETICAL_DESC
+import org.koitharu.kotatsu.parsers.model.SortOrder.NEWEST
+import org.koitharu.kotatsu.parsers.model.SortOrder.NEWEST_ASC
+import org.koitharu.kotatsu.parsers.model.SortOrder.POPULARITY
+import org.koitharu.kotatsu.parsers.model.SortOrder.POPULARITY_ASC
+import org.koitharu.kotatsu.parsers.model.SortOrder.RATING
+import org.koitharu.kotatsu.parsers.model.SortOrder.RATING_ASC
+import org.koitharu.kotatsu.parsers.model.SortOrder.UPDATED
+import org.koitharu.kotatsu.parsers.model.SortOrder.UPDATED_ASC
 
 @get:StringRes
 val SortOrder.titleRes: Int
 	get() = when (this) {
-		SortOrder.UPDATED -> R.string.updated
-		SortOrder.POPULARITY -> R.string.popular
-		SortOrder.RATING -> R.string.by_rating
-		SortOrder.NEWEST -> R.string.newest
-		SortOrder.ALPHABETICAL -> R.string.by_name
-		SortOrder.ALPHABETICAL_DESC -> R.string.by_name_reverse
+		UPDATED -> R.string.updated
+		POPULARITY -> R.string.popular
+		RATING -> R.string.by_rating
+		NEWEST -> R.string.newest
+		ALPHABETICAL -> R.string.by_name
+		ALPHABETICAL_DESC -> R.string.by_name_reverse
+		UPDATED_ASC -> R.string.updated_long_ago
+		POPULARITY_ASC -> R.string.unpopular
+		RATING_ASC -> R.string.low_rating
+		NEWEST_ASC -> R.string.order_oldest
+	}
+
+val SortOrder.direction: SortDirection
+	get() = when (this) {
+		UPDATED_ASC,
+		POPULARITY_ASC,
+		RATING_ASC,
+		NEWEST_ASC,
+		ALPHABETICAL -> SortDirection.ASC
+
+		UPDATED,
+		POPULARITY,
+		RATING,
+		NEWEST,
+		ALPHABETICAL_DESC -> SortDirection.DESC
 	}

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

@@ -21,22 +21,24 @@ import androidx.viewbinding.ViewBinding
 import com.google.android.material.bottomsheet.BottomSheetBehavior
 import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.google.android.material.sidesheet.SideSheetDialog
+import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.ui.BaseActivity
+import org.koitharu.kotatsu.core.ui.BaseActivityEntryPoint
 import org.koitharu.kotatsu.core.ui.util.ActionModeDelegate
 import com.google.android.material.R as materialR
 
-abstract class BaseAdaptiveSheet<B : ViewBinding> : AppCompatDialogFragment() {
+abstract class BaseAdaptiveSheet<B : ViewBinding> : AppCompatDialogFragment(), ExceptionResolver.Host {
 
 	private var waitingForDismissAllowingStateLoss = false
 	private var isFitToContentsDisabled = false
 
-	var viewBinding: B? = null
+	protected lateinit var exceptionResolver: ExceptionResolver
 		private set
 
-	@Deprecated("", ReplaceWith("requireViewBinding()"))
-	protected val binding: B
-		get() = requireViewBinding()
+	var viewBinding: B? = null
+		private set
 
 	protected val behavior: AdaptiveSheetBehavior?
 		get() = AdaptiveSheetBehavior.from(this)
@@ -54,6 +56,12 @@ abstract class BaseAdaptiveSheet<B : ViewBinding> : AppCompatDialogFragment() {
 		private set
 	private var lockCounter = 0
 
+	override fun onAttach(context: Context) {
+		super.onAttach(context)
+		val entryPoint = EntryPointAccessors.fromApplication<BaseActivityEntryPoint>(context)
+		exceptionResolver = entryPoint.exceptionResolverFactory.create(this)
+	}
+
 	final override fun onCreateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,

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

@@ -0,0 +1,36 @@
+package org.koitharu.kotatsu.core.ui.util
+
+import android.view.View
+import com.google.android.material.appbar.AppBarLayout
+
+class FadingAppbarMediator(
+	private val appBarLayout: AppBarLayout,
+	private val target: View
+) : AppBarLayout.OnOffsetChangedListener {
+
+	private var isBound: Boolean = false
+
+	fun bind() {
+		if (!isBound) {
+			appBarLayout.addOnOffsetChangedListener(this)
+			isBound = true
+		}
+	}
+
+	fun unbind() {
+		if (isBound) {
+			appBarLayout.removeOnOffsetChangedListener(this)
+			isBound = false
+		}
+		target.alpha = 1f
+	}
+
+	override fun onOffsetChanged(appBarLayout: AppBarLayout?, verticalOffset: Int) {
+		val scrollRange = (appBarLayout ?: return).totalScrollRange
+		if (scrollRange <= 0) {
+			return
+		}
+
+		target.alpha = 1f + verticalOffset / (scrollRange / 2f)
+	}
+}

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

@@ -7,7 +7,5 @@ class MenuInvalidator(
 	private val host: MenuHost,
 ) : FlowCollector<Any?> {
 
-	override suspend fun emit(value: Any?) {
-		host.invalidateMenu()
-	}
+	override suspend fun emit(value: Any?) = host.invalidateMenu()
 }

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

@@ -5,9 +5,9 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 
 fun interface ReversibleHandle {
 
@@ -23,8 +23,3 @@ fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.D
 		it.printStackTraceDebug()
 	}
 }
-
-operator fun ReversibleHandle.plus(other: ReversibleHandle) = ReversibleHandle {
-	this.reverse()
-	other.reverse()
-}

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

@@ -2,16 +2,16 @@ package org.koitharu.kotatsu.core.ui.widgets
 
 import android.content.Context
 import android.util.AttributeSet
+import android.view.View
 import android.view.View.OnClickListener
 import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
 import androidx.core.view.children
 import com.google.android.material.chip.Chip
 import com.google.android.material.chip.ChipDrawable
 import com.google.android.material.chip.ChipGroup
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.castOrNull
-
 import com.google.android.material.R as materialR
 
 class ChipsView @JvmOverloads constructor(
@@ -22,9 +22,7 @@ class ChipsView @JvmOverloads constructor(
 
 	private var isLayoutSuppressedCompat = false
 	private var isLayoutCalledOnSuppressed = false
-	private val chipOnClickListener = OnClickListener {
-		onChipClickListener?.onChipClick(it as Chip, it.tag)
-	}
+	private val chipOnClickListener = InternalChipClickListener()
 	private val chipOnCloseListener = OnClickListener {
 		val chip = it as Chip
 		val data = it.tag
@@ -70,8 +68,8 @@ class ChipsView @JvmOverloads constructor(
 		suppressLayoutCompat(true)
 		try {
 			for ((i, model) in items.withIndex()) {
-				val chip = getChildAt(i) as Chip? ?: addChip()
-				bindChip(chip, model)
+				val chip = getChildAt(i) as DataChip? ?: addChip()
+				chip.bind(model)
 			}
 			if (childCount > items.size) {
 				removeViews(items.size, childCount - items.size)
@@ -81,52 +79,7 @@ class ChipsView @JvmOverloads constructor(
 		}
 	}
 
-	fun <T> getCheckedData(cls: Class<T>): Set<T> {
-		val result = LinkedHashSet<T>(childCount)
-		for (child in children) {
-			if (child is Chip && child.isChecked) {
-				result += cls.castOrNull(child.tag) ?: continue
-			}
-		}
-		return result
-	}
-
-	private fun bindChip(chip: Chip, model: ChipModel) {
-		chip.text = model.title
-		chip.isClickable = onChipClickListener != null || model.isCheckable
-		chip.isCheckable = model.isCheckable
-		if (model.icon == 0) {
-			chip.chipIcon = null
-			chip.isChipIconVisible = false
-		} else {
-			chip.setChipIconResource(model.icon)
-			chip.isChipIconVisible = true
-		}
-		chip.isChecked = model.isChecked
-		chip.isCheckedIconVisible = chip.isCheckable && model.icon == 0
-		chip.isCloseIconVisible = if (onChipCloseClickListener != null || model.isDropdown) {
-			chip.setCloseIconResource(
-				if (model.isDropdown) R.drawable.ic_expand_more else materialR.drawable.ic_m3_chip_close,
-			)
-			true
-		} else {
-			false
-		}
-		chip.tag = model.data
-	}
-
-	private fun addChip(): Chip {
-		val chip = Chip(context)
-		val drawable = ChipDrawable.createFromAttributes(context, null, 0, chipStyle)
-		chip.setChipDrawable(drawable)
-		chip.isChipIconVisible = false
-		chip.setOnCloseIconClickListener(chipOnCloseListener)
-		chip.setEnsureMinTouchTargetSize(false)
-		chip.setOnClickListener(chipOnClickListener)
-		chip.isElegantTextHeight = false
-		addView(chip)
-		return chip
-	}
+	private fun addChip() = DataChip(context).also { addView(it) }
 
 	private fun suppressLayoutCompat(suppress: Boolean) {
 		isLayoutSuppressedCompat = suppress
@@ -139,15 +92,74 @@ class ChipsView @JvmOverloads constructor(
 	}
 
 	data class ChipModel(
-		val title: CharSequence,
+		val title: CharSequence? = null,
+		@StringRes val titleResId: Int = 0,
 		@DrawableRes val icon: Int = 0,
-		val isCheckable: Boolean = false,
 		@ColorRes val tint: Int = 0,
 		val isChecked: Boolean = false,
 		val isDropdown: Boolean = false,
 		val data: Any? = null,
 	)
 
+	private inner class DataChip(context: Context) : Chip(context) {
+
+		private var model: ChipModel? = null
+
+		init {
+			val drawable = ChipDrawable.createFromAttributes(context, null, 0, chipStyle)
+			setChipDrawable(drawable)
+			isChipIconVisible = false
+			setOnCloseIconClickListener(chipOnCloseListener)
+			setEnsureMinTouchTargetSize(false)
+			setOnClickListener(chipOnClickListener)
+			isElegantTextHeight = false
+		}
+
+		fun bind(model: ChipModel) {
+			this.model = model
+
+			if (model.titleResId == 0) {
+				text = model.title
+			} else {
+				setText(model.titleResId)
+			}
+			isClickable = onChipClickListener != null
+			if (model.isChecked) {
+				isCheckable = true
+				isChecked = true
+			} else {
+				isChecked = false
+				isCheckable = false
+			}
+			if (model.icon == 0 || model.isChecked) {
+				chipIcon = null
+				isChipIconVisible = false
+			} else {
+				setChipIconResource(model.icon)
+				isChipIconVisible = true
+			}
+			isCheckedIconVisible = model.isChecked
+			isCloseIconVisible = if (onChipCloseClickListener != null || model.isDropdown) {
+				setCloseIconResource(
+					if (model.isDropdown) R.drawable.ic_expand_more else materialR.drawable.ic_m3_chip_close,
+				)
+				true
+			} else {
+				false
+			}
+			tag = model.data
+		}
+
+		override fun toggle() = Unit
+	}
+
+	private inner class InternalChipClickListener : OnClickListener {
+		override fun onClick(v: View?) {
+			val chip = v as? DataChip ?: return
+			onChipClickListener?.onChipClick(chip, chip.tag)
+		}
+	}
+
 	fun interface OnChipClickListener {
 
 		fun onChipClick(chip: Chip, data: Any?)

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

@@ -13,7 +13,7 @@ abstract class MediatorStateFlow<T>(initialValue: T) : StateFlow<T> {
 	final override val replayCache: List<T>
 		get() = delegate.replayCache
 
-	final override val value: T
+	override val value: T
 		get() = delegate.value
 
 	final override suspend fun collect(collector: FlowCollector<T>): Nothing {

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

@@ -5,7 +5,7 @@ import kotlinx.coroutines.sync.Mutex
 import kotlin.contracts.InvocationKind
 import kotlin.contracts.contract
 
-class MultiMutex<T : Any> : Set<T> {
+open class MultiMutex<T : Any> : Set<T> {
 
 	private val delegates = ArrayMap<T, Mutex>()
 
@@ -20,19 +20,26 @@ class MultiMutex<T : Any> : Set<T> {
 		elements.all { x -> delegates.containsKey(x) }
 	}
 
-	override fun isEmpty(): Boolean {
-		return delegates.isEmpty()
+	override fun isEmpty(): Boolean = delegates.isEmpty()
+
+	override fun iterator(): Iterator<T> = synchronized(delegates) {
+		delegates.keys.toList()
+	}.iterator()
+
+	fun isLocked(element: T): Boolean = synchronized(delegates) {
+		delegates[element]?.isLocked == true
 	}
 
-	override fun iterator(): Iterator<T> {
-		return delegates.keys.iterator()
+	fun tryLock(element: T): Boolean {
+		val mutex = synchronized(delegates) {
+			delegates.getOrPut(element, ::Mutex)
+		}
+		return mutex.tryLock()
 	}
 
 	suspend fun lock(element: T) {
 		val mutex = synchronized(delegates) {
-			delegates.getOrPut(element) {
-				Mutex()
-			}
+			delegates.getOrPut(element, ::Mutex)
 		}
 		mutex.lock()
 	}

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

@@ -1,12 +0,0 @@
-package org.koitharu.kotatsu.core.util
-
-import android.app.Activity
-
-class TaggedActivityResult(
-	val tag: String,
-	val result: Int,
-) {
-
-	val isSuccess: Boolean
-		get() = result == Activity.RESULT_OK
-}

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

@@ -20,7 +20,6 @@ import android.database.SQLException
 import android.graphics.Bitmap
 import android.graphics.Color
 import android.net.ConnectivityManager
-import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.os.PowerManager
@@ -31,7 +30,6 @@ import android.view.Window
 import android.webkit.WebView
 import androidx.activity.result.ActivityResultLauncher
 import androidx.annotation.IntegerRes
-import androidx.annotation.WorkerThread
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.appcompat.app.AppCompatDialog
@@ -79,8 +77,6 @@ val Context.powerManager: PowerManager?
 val Context.connectivityManager: ConnectivityManager
 	get() = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
 
-fun String.toUriOrNull() = if (isEmpty()) null else Uri.parse(this)
-
 suspend fun CoroutineWorker.trySetForeground(): Boolean = runCatchingCancellable {
 	val info = getForegroundInfo()
 	setForeground(info)
@@ -131,8 +127,7 @@ fun SyncResult.onError(error: Throwable) {
 	when (error) {
 		is IOException -> stats.numIoExceptions++
 		is OperationApplicationException,
-		is SQLException,
-		-> databaseError = true
+		is SQLException -> databaseError = true
 
 		is JSONException -> stats.numParseExceptions++
 		else -> if (BuildConfig.DEBUG) throw error
@@ -253,7 +248,6 @@ fun Context.checkNotificationPermission(channelId: String?): Boolean {
 	return hasPermission
 }
 
-@WorkerThread
 suspend fun Bitmap.compressToPNG(output: File) = runInterruptible(Dispatchers.IO) {
 	output.outputStream().use { os ->
 		if (!compress(Bitmap.CompressFormat.PNG, 100, os)) {

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

@@ -1,23 +0,0 @@
-package org.koitharu.kotatsu.core.util.ext
-
-import android.view.View
-import com.google.android.material.bottomsheet.BottomSheetBehavior
-import com.google.android.material.bottomsheet.BottomSheetBehavior.BottomSheetCallback
-
-fun BottomSheetBehavior<*>.doOnExpansionsChanged(callback: (isExpanded: Boolean) -> Unit) {
-	var isExpended = state == BottomSheetBehavior.STATE_EXPANDED
-	callback(isExpended)
-	addBottomSheetCallback(
-		object : BottomSheetCallback() {
-			override fun onStateChanged(bottomSheet: View, newState: Int) {
-				val expanded = newState == BottomSheetBehavior.STATE_EXPANDED
-				if (expanded != isExpended) {
-					isExpended = expanded
-					callback(expanded)
-				}
-			}
-
-			override fun onSlide(bottomSheet: View, slideOffset: Float) = Unit
-		},
-	)
-}

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

@@ -57,10 +57,6 @@ fun ImageResult.toBitmapOrNull() = when (this) {
 	is ErrorResult -> null
 }
 
-fun ImageRequest.Builder.indicator(indicator: BaseProgressIndicator<*>): ImageRequest.Builder {
-	return addListener(ImageRequestIndicatorListener(listOf(indicator)))
-}
-
 fun ImageRequest.Builder.indicator(indicators: List<BaseProgressIndicator<*>>): ImageRequest.Builder {
 	return addListener(ImageRequestIndicatorListener(indicators))
 }

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

@@ -37,3 +37,5 @@ fun JSONObject.toContentValues(): ContentValues {
 }
 
 private fun String.escapeName() = "`$this`"
+
+fun Cursor.getBoolean(columnIndex: Int) = getInt(columnIndex) > 0

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

@@ -1,11 +1,14 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import android.content.res.Resources
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.model.DateTimeAgo
 import java.time.Instant
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.ZoneId
 import java.time.temporal.ChronoUnit
+import java.util.concurrent.TimeUnit
 
 fun calculateTimeAgo(instant: Instant, showMonths: Boolean = false): DateTimeAgo {
 	// TODO: Use Java 9's LocalDate.ofInstant().
@@ -33,3 +36,17 @@ fun calculateTimeAgo(instant: Instant, showMonths: Boolean = false): DateTimeAgo
 }
 
 fun Long.toInstantOrNull() = if (this == 0L) null else Instant.ofEpochMilli(this)
+
+fun Resources.formatDurationShort(millis: Long): String? {
+	val hours = TimeUnit.MILLISECONDS.toHours(millis).toInt()
+	val minutes = (TimeUnit.MILLISECONDS.toMinutes(millis) % 60).toInt()
+	val seconds = (TimeUnit.MILLISECONDS.toSeconds(millis) % 60).toInt()
+	return when {
+		hours == 0 && minutes == 0 && seconds == 0 -> null
+		hours != 0 && minutes != 0 -> getString(R.string.hours_minutes_short, hours, minutes)
+		hours != 0 -> getString(R.string.hours_short, hours)
+		minutes != 0 && seconds != 0 -> getString(R.string.minutes_seconds_short, minutes, seconds)
+		minutes != 0 -> getString(R.string.minutes_short, minutes)
+		else -> getString(R.string.seconds_short, seconds)
+	}
+}

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

@@ -4,6 +4,8 @@ import android.os.SystemClock
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.firstOrNull
@@ -14,6 +16,7 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.transform
 import kotlinx.coroutines.flow.transformLatest
 import org.koitharu.kotatsu.R
+import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicInteger
 
 fun <T> Flow<T>.onFirst(action: suspend (T) -> Unit): Flow<T> {
@@ -87,6 +90,20 @@ fun <T> Flow<T>.zipWithPrevious(): Flow<Pair<T?, T>> = flow {
 	}
 }
 
+fun tickerFlow(interval: Long, timeUnit: TimeUnit): Flow<Long> = flow {
+	while (true) {
+		emit(SystemClock.elapsedRealtime())
+		delay(timeUnit.toMillis(interval))
+	}
+}
+
+fun <T> Flow<T>.withTicker(interval: Long, timeUnit: TimeUnit) = channelFlow<T> {
+	onCompletion { cause ->
+		close(cause)
+	}.combine(tickerFlow(interval, timeUnit)) { x, _ -> x }
+		.collectLatest { send(it) }
+}
+
 @Suppress("UNCHECKED_CAST")
 fun <T1, T2, T3, T4, T5, T6, R> combine(
 	flow: Flow<T1>,

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

@@ -1,6 +1,9 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import android.content.Context
 import androidx.annotation.FloatRange
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.parsers.util.ellipsize
 import org.koitharu.kotatsu.parsers.util.levenshteinDistance
 import java.util.UUID
 
@@ -40,3 +43,24 @@ fun CharSequence.sanitize(): CharSequence {
 }
 
 fun Char.isReplacement() = this in '\uFFF0'..'\uFFFF'
+
+fun <T> Collection<T>.joinToStringWithLimit(context: Context, limit: Int, transform: ((T) -> String)): String {
+	if (size == 1) {
+		return transform(first()).ellipsize(limit)
+	}
+	return buildString(limit + 6) {
+		for ((i, item) in this@joinToStringWithLimit.withIndex()) {
+			val str = transform(item)
+			when {
+				i == 0 -> append(str.ellipsize(limit - 4))
+				length + str.length > limit -> {
+					append(", ")
+					append(context.getString(R.string.list_ellipsize_pattern, this@joinToStringWithLimit.size - i))
+					break
+				}
+
+				else -> append(", ").append(str)
+			}
+		}
+	}
+}

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

@@ -11,7 +11,6 @@ import androidx.core.content.res.use
 import androidx.core.view.isGone
 import androidx.core.widget.TextViewCompat
 
-
 var TextView.textAndVisible: CharSequence?
 	get() = text?.takeIf { visibility == View.VISIBLE }
 	set(value) {

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

@@ -8,11 +8,9 @@ import androidx.annotation.AttrRes
 import androidx.annotation.ColorInt
 import androidx.annotation.FloatRange
 import androidx.annotation.Px
-import androidx.annotation.StyleRes
 import androidx.core.content.ContextCompat
 import androidx.core.content.res.use
 import androidx.core.graphics.ColorUtils
-import com.google.android.material.R as materialR
 
 fun Context.getThemeDrawable(
 	@AttrRes resId: Int,
@@ -77,7 +75,3 @@ fun TypedArray.getDrawableCompat(context: Context, index: Int): Drawable? {
 	val resId = getResourceId(index, 0)
 	return if (resId != 0) ContextCompat.getDrawable(context, resId) else null
 }
-
-@get:StyleRes
-val DIALOG_THEME_CENTERED: Int
-	inline get() = materialR.style.ThemeOverlay_Material3_MaterialAlertDialog_Centered

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

@@ -3,10 +3,10 @@ package org.koitharu.kotatsu.core.util.ext
 import android.content.ActivityNotFoundException
 import android.content.res.Resources
 import androidx.annotation.DrawableRes
-import androidx.collection.arraySetOf
 import coil.network.HttpException
 import okio.FileNotFoundException
 import okio.IOException
+import okio.ProtocolException
 import org.acra.ktx.sendWithAcra
 import org.jsoup.HttpStatusException
 import org.koitharu.kotatsu.R
@@ -15,12 +15,14 @@ import org.koitharu.kotatsu.core.exceptions.CaughtException
 import org.koitharu.kotatsu.core.exceptions.CloudFlareBlockedException
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.exceptions.EmptyHistoryException
+import org.koitharu.kotatsu.core.exceptions.IncompatiblePluginException
 import org.koitharu.kotatsu.core.exceptions.NoDataReceivedException
+import org.koitharu.kotatsu.core.exceptions.ProxyConfigException
 import org.koitharu.kotatsu.core.exceptions.SyncApiException
-import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
 import org.koitharu.kotatsu.core.exceptions.UnsupportedFileException
 import org.koitharu.kotatsu.core.exceptions.UnsupportedSourceException
 import org.koitharu.kotatsu.core.exceptions.WrongPasswordException
+import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_BOTH_LOCALE_GENRES_NOT_SUPPORTED
 import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_BOTH_STATES_GENRES_NOT_SUPPORTED
 import org.koitharu.kotatsu.parsers.ErrorMessages.FILTER_MULTIPLE_GENRES_NOT_SUPPORTED
@@ -30,6 +32,8 @@ import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.exception.ContentUnavailableException
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.exception.ParseException
+import org.koitharu.kotatsu.parsers.exception.TooManyRequestExceptions
+import org.koitharu.kotatsu.scrobbling.common.domain.ScrobblerAuthRequiredException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 
@@ -37,30 +41,47 @@ private const val MSG_NO_SPACE_LEFT = "No space left on device"
 private const val IMAGE_FORMAT_NOT_SUPPORTED = "Image format not supported"
 
 fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
+	is ScrobblerAuthRequiredException -> resources.getString(
+		R.string.scrobbler_auth_required,
+		resources.getString(scrobbler.titleResId),
+	)
+
 	is AuthRequiredException -> resources.getString(R.string.auth_required)
 	is CloudFlareProtectedException -> resources.getString(R.string.captcha_required)
 	is CloudFlareBlockedException -> resources.getString(R.string.blocked_by_server_message)
 	is ActivityNotFoundException,
 	is UnsupportedOperationException,
-	-> resources.getString(R.string.operation_not_supported)
+		-> resources.getString(R.string.operation_not_supported)
+
+	is TooManyRequestExceptions -> {
+		val delay = getRetryDelay()
+		val formattedTime = if (delay > 0L && delay < Long.MAX_VALUE) {
+			resources.formatDurationShort(delay)
+		} else {
+			null
+		}
+		if (formattedTime != null) {
+			resources.getString(R.string.too_many_requests_message_retry, formattedTime)
+		} else {
+			resources.getString(R.string.too_many_requests_message)
+		}
+	}
 
-	is TooManyRequestExceptions -> resources.getString(R.string.too_many_requests_message)
 	is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
 	is BadBackupFormatException -> resources.getString(R.string.unsupported_backup_message)
 	is FileNotFoundException -> resources.getString(R.string.file_not_found)
 	is AccessDeniedException -> resources.getString(R.string.no_access_to_file)
 	is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
+	is ProxyConfigException -> resources.getString(R.string.invalid_proxy_configuration)
 	is SyncApiException,
-	is ContentUnavailableException,
-	-> message
+	is ContentUnavailableException -> message
 
 	is ParseException -> shortMessage
 	is UnknownHostException,
-	is SocketTimeoutException,
-	-> resources.getString(R.string.network_error)
+	is SocketTimeoutException -> resources.getString(R.string.network_error)
 
 	is NoDataReceivedException -> resources.getString(R.string.error_no_data_received)
-
+	is IncompatiblePluginException -> resources.getString(R.string.plugin_incompatible)
 	is WrongPasswordException -> resources.getString(R.string.wrong_password)
 	is NotFoundException -> resources.getString(R.string.not_found_404)
 	is UnsupportedSourceException -> resources.getString(R.string.unsupported_source)
@@ -79,7 +100,7 @@ fun Throwable.getDisplayIcon() = when (this) {
 	is CloudFlareProtectedException -> R.drawable.ic_bot_large
 	is UnknownHostException,
 	is SocketTimeoutException,
-	-> R.drawable.ic_plug_large
+	is ProtocolException -> R.drawable.ic_plug_large
 
 	is CloudFlareBlockedException -> R.drawable.ic_denied_large
 
@@ -105,7 +126,25 @@ private fun getDisplayMessage(msg: String?, resources: Resources): String? = whe
 }
 
 fun Throwable.isReportable(): Boolean {
-	return this is Error || this.javaClass in reportableExceptions
+	if (this is Error) {
+		return true
+	}
+	if (this is CaughtException) {
+		return cause?.isReportable() == true
+	}
+	if (ExceptionResolver.canResolve(this)) {
+		return false
+	}
+	if (this is ParseException
+		|| this.isNetworkError()
+		|| this is CloudFlareBlockedException
+		|| this is CloudFlareProtectedException
+		|| this is BadBackupFormatException
+		|| this is WrongPasswordException
+	) {
+		return false
+	}
+	return true
 }
 
 fun Throwable.isNetworkError(): Boolean {
@@ -117,15 +156,6 @@ fun Throwable.report() {
 	exception.sendWithAcra()
 }
 
-private val reportableExceptions = arraySetOf<Class<*>>(
-	RuntimeException::class.java,
-	IllegalStateException::class.java,
-	IllegalArgumentException::class.java,
-	ConcurrentModificationException::class.java,
-	UnsupportedOperationException::class.java,
-	NoDataReceivedException::class.java,
-)
-
 fun Throwable.isWebViewUnavailable(): Boolean {
 	val trace = stackTraceToString()
 	return trace.contains("android.webkit.WebView.<init>")

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

@@ -5,6 +5,7 @@ import androidx.core.net.toFile
 import okio.Source
 import okio.source
 import okio.use
+import org.jetbrains.annotations.Blocking
 import org.koitharu.kotatsu.local.data.util.withExtraCloseable
 import java.io.File
 import java.util.zip.ZipFile
@@ -12,6 +13,7 @@ import java.util.zip.ZipFile
 const val URI_SCHEME_FILE = "file"
 const val URI_SCHEME_ZIP = "file+zip"
 
+@Blocking
 fun Uri.exists(): Boolean = when (scheme) {
 	URI_SCHEME_FILE -> toFile().exists()
 	URI_SCHEME_ZIP -> {
@@ -22,6 +24,7 @@ fun Uri.exists(): Boolean = when (scheme) {
 	else -> unsupportedUri(this)
 }
 
+@Blocking
 fun Uri.isTargetNotEmpty(): Boolean = when (scheme) {
 	URI_SCHEME_FILE -> toFile().isNotEmpty()
 	URI_SCHEME_ZIP -> {
@@ -32,6 +35,7 @@ fun Uri.isTargetNotEmpty(): Boolean = when (scheme) {
 	else -> unsupportedUri(this)
 }
 
+@Blocking
 fun Uri.source(): Source = when (scheme) {
 	URI_SCHEME_FILE -> toFile().source()
 	URI_SCHEME_ZIP -> {
@@ -45,6 +49,8 @@ fun Uri.source(): Source = when (scheme) {
 
 fun File.toZipUri(entryName: String): Uri = Uri.parse("$URI_SCHEME_ZIP://$absolutePath#$entryName")
 
+fun String.toUriOrNull() = if (isEmpty()) null else Uri.parse(this)
+
 private fun unsupportedUri(uri: Uri): Nothing {
 	throw IllegalArgumentException("Bad uri $uri: only schemes $URI_SCHEME_FILE and $URI_SCHEME_ZIP are supported")
 }

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

@@ -8,7 +8,6 @@ import android.view.ViewGroup
 import android.widget.Checkable
 import androidx.appcompat.widget.ActionMenuView
 import androidx.appcompat.widget.Toolbar
-import androidx.core.view.SoftwareKeyboardControllerCompat
 import androidx.core.view.children
 import androidx.core.view.descendants
 import androidx.core.view.isVisible
@@ -23,14 +22,6 @@ import com.google.android.material.slider.Slider
 import com.google.android.material.tabs.TabLayout
 import kotlin.math.roundToInt
 
-fun View.hideKeyboard() {
-	SoftwareKeyboardControllerCompat(this).hide()
-}
-
-fun View.showKeyboard() {
-	SoftwareKeyboardControllerCompat(this).show()
-}
-
 fun View.hasGlobalPoint(x: Int, y: Int): Boolean {
 	if (visibility != View.VISIBLE) {
 		return false

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

@@ -0,0 +1,94 @@
+package org.koitharu.kotatsu.core.util.progress
+
+import android.os.SystemClock
+import androidx.annotation.AnyThread
+import androidx.collection.CircularArray
+import java.util.concurrent.TimeUnit
+import kotlin.math.roundToLong
+
+class RealtimeEtaEstimator {
+
+	private val ticks = CircularArray<Tick>(MAX_TICKS)
+
+	@Volatile
+	private var lastChange = 0L
+
+	@AnyThread
+	fun onProgressChanged(value: Int, total: Int) {
+		if (total <= 0 || value > total) {
+			reset()
+			return
+		}
+		val tick = Tick(value, total, SystemClock.elapsedRealtime())
+		synchronized(this) {
+			if (!ticks.isEmpty()) {
+				val last = ticks.last
+				if (last.value == tick.value && last.total == tick.total) {
+					ticks.popLast()
+				} else {
+					lastChange = tick.timestamp
+				}
+			} else {
+				lastChange = tick.timestamp
+			}
+			ticks.addLast(tick)
+		}
+	}
+
+	@AnyThread
+	fun reset() = synchronized(this) {
+		ticks.clear()
+		lastChange = 0L
+	}
+
+	@AnyThread
+	fun getEta(): Long {
+		val etl = getEstimatedTimeLeft()
+		return if (etl == NO_TIME || etl > MAX_TIME) NO_TIME else System.currentTimeMillis() + etl
+	}
+
+	@AnyThread
+	fun isStuck(): Boolean = synchronized(this) {
+		return ticks.size() >= MIN_ESTIMATE_TICKS && (SystemClock.elapsedRealtime() - lastChange) > STUCK_DELAY
+	}
+
+	private fun getEstimatedTimeLeft(): Long = synchronized(this) {
+		val ticksCount = ticks.size()
+		if (ticksCount < MIN_ESTIMATE_TICKS) {
+			return NO_TIME
+		}
+		val percentDiff = ticks.last.percent - ticks.first.percent
+		val timeDiff = ticks.last.timestamp - ticks.first.timestamp
+		if (percentDiff <= 0 || timeDiff <= 0) {
+			return NO_TIME
+		}
+		val averageTime = timeDiff / percentDiff
+		val percentLeft = 1.0 - ticks.last.percent
+		return (percentLeft * averageTime).roundToLong()
+	}
+
+	private class Tick(
+		@JvmField val value: Int,
+		@JvmField val total: Int,
+		@JvmField val timestamp: Long,
+	) {
+
+		init {
+			require(total > 0) { "total = $total" }
+			require(value >= 0) { "value = $value" }
+			require(value <= total) { "total = $total, value = $value" }
+		}
+
+		@JvmField
+		val percent = value.toDouble() / total.toDouble()
+	}
+
+	private companion object {
+
+		const val MAX_TICKS = 20
+		const val MIN_ESTIMATE_TICKS = 4
+		const val NO_TIME = -1L
+		const val STUCK_DELAY = 10_000L
+		val MAX_TIME = TimeUnit.DAYS.toMillis(1)
+	}
+}

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

@@ -1,69 +0,0 @@
-package org.koitharu.kotatsu.core.util.progress
-
-import android.os.SystemClock
-import androidx.collection.IntList
-import androidx.collection.MutableIntList
-import java.util.concurrent.TimeUnit
-import kotlin.math.roundToInt
-import kotlin.math.roundToLong
-
-private const val MIN_ESTIMATE_TICKS = 4
-private const val NO_TIME = -1L
-
-class TimeLeftEstimator {
-
-	private var times = MutableIntList()
-	private var lastTick: Tick? = null
-	private val tooLargeTime = TimeUnit.DAYS.toMillis(1)
-
-	fun tick(value: Int, total: Int) {
-		if (total < 0) {
-			emptyTick()
-			return
-		}
-		if (lastTick?.value == value) {
-			return
-		}
-		val tick = Tick(value, total, SystemClock.elapsedRealtime())
-		lastTick?.let {
-			val ticksCount = value - it.value
-			times.add(((tick.time - it.time) / ticksCount.toDouble()).roundToInt())
-		}
-		lastTick = tick
-	}
-
-	fun emptyTick() {
-		lastTick = null
-	}
-
-	fun getEstimatedTimeLeft(): Long {
-		val progress = lastTick ?: return NO_TIME
-		if (times.size < MIN_ESTIMATE_TICKS) {
-			return NO_TIME
-		}
-		val timePerTick = times.average()
-		val ticksLeft = progress.total - progress.value
-		val eta = (ticksLeft * timePerTick).roundToLong()
-		return if (eta < tooLargeTime) eta else NO_TIME
-	}
-
-	fun getEta(): Long {
-		val etl = getEstimatedTimeLeft()
-		return if (etl == NO_TIME) NO_TIME else System.currentTimeMillis() + etl
-	}
-
-	private fun IntList.average(): Double {
-		if (isEmpty()) {
-			return 0.0
-		}
-		var acc = 0L
-		forEach { acc += it }
-		return acc / size.toDouble()
-	}
-
-	private class Tick(
-		@JvmField val value: Int,
-		@JvmField val total: Int,
-		@JvmField val time: Long,
-	)
-}

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

@@ -27,7 +27,7 @@ import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.recoverNotNull
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import org.koitharu.kotatsu.tracker.domain.Tracker
+import org.koitharu.kotatsu.tracker.domain.CheckNewChaptersUseCase
 import javax.inject.Inject
 import javax.inject.Provider
 
@@ -37,7 +37,7 @@ class DetailsLoadUseCase @Inject constructor(
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 	private val recoverUseCase: RecoverMangaUseCase,
 	private val imageGetter: Html.ImageGetter,
-	private val trackerProvider: Provider<Tracker>,
+	private val newChaptersUseCaseProvider: Provider<CheckNewChaptersUseCase>,
 ) {
 
 	operator fun invoke(intent: MangaIntent): Flow<MangaDetails> = channelFlow {
@@ -55,11 +55,32 @@ class DetailsLoadUseCase @Inject constructor(
 		try {
 			val details = getDetails(manga)
 			launch { updateTracker(details) }
-			send(MangaDetails(details, local?.peek(), details.description?.parseAsHtml(withImages = false)?.trim(), false))
-			send(MangaDetails(details, local?.await(), details.description?.parseAsHtml(withImages = true)?.trim(), true))
+			send(
+				MangaDetails(
+					details,
+					local?.peek(),
+					details.description?.parseAsHtml(withImages = false)?.trim(),
+					false,
+				),
+			)
+			send(
+				MangaDetails(
+					details,
+					local?.await(),
+					details.description?.parseAsHtml(withImages = true)?.trim(),
+					true,
+				),
+			)
 		} catch (e: IOException) {
 			local?.await()?.manga?.also { localManga ->
-				send(MangaDetails(localManga, null, localManga.description?.parseAsHtml(withImages = false)?.trim(), true))
+				send(
+					MangaDetails(
+						localManga,
+						null,
+						localManga.description?.parseAsHtml(withImages = false)?.trim(),
+						true,
+					),
+				)
 			} ?: close(e)
 		}
 	}
@@ -97,7 +118,7 @@ class DetailsLoadUseCase @Inject constructor(
 	}
 
 	private suspend fun updateTracker(details: Manga) = runCatchingCancellable {
-		trackerProvider.get().syncWithDetails(details)
+		newChaptersUseCaseProvider.get()(details)
 	}.onFailure { e ->
 		e.printStackTraceDebug()
 	}

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

@@ -5,7 +5,7 @@ import org.koitharu.kotatsu.core.model.findChapter
 import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.history.data.PROGRESS_NONE
+import org.koitharu.kotatsu.list.domain.ReadingProgress.Companion.PROGRESS_NONE
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import javax.inject.Inject

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

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.details.ui
 import android.content.Context
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
-import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.toListItem
@@ -12,7 +11,7 @@ import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
 fun MangaDetails.mapChapters(
-	history: MangaHistory?,
+	currentChapterId: Long,
 	newCount: Int,
 	branch: String?,
 	bookmarks: List<Bookmark>,
@@ -24,7 +23,6 @@ fun MangaDetails.mapChapters(
 		return emptyList()
 	}
 	val bookmarked = bookmarks.mapToSet { it.chapterId }
-	val currentId = history?.chapterId ?: 0L
 	val newFrom = if (newCount == 0 || remoteChapters.isEmpty()) Int.MAX_VALUE else remoteChapters.size - newCount
 	val ids = buildSet(maxOf(remoteChapters.size, localChapters.size)) {
 		remoteChapters.mapTo(this) { it.id }
@@ -36,14 +34,14 @@ fun MangaDetails.mapChapters(
 	} else {
 		null
 	}
-	var isUnread = currentId !in ids
+	var isUnread = currentChapterId !in ids
 	for (chapter in remoteChapters) {
 		val local = localMap?.remove(chapter.id)
-		if (chapter.id == currentId) {
+		if (chapter.id == currentChapterId) {
 			isUnread = true
 		}
 		result += (local ?: chapter).toListItem(
-			isCurrent = chapter.id == currentId,
+			isCurrent = chapter.id == currentChapterId,
 			isUnread = isUnread,
 			isNew = isUnread && result.size >= newFrom,
 			isDownloaded = local != null,
@@ -53,11 +51,11 @@ fun MangaDetails.mapChapters(
 	}
 	if (!localMap.isNullOrEmpty()) {
 		for (chapter in localMap.values) {
-			if (chapter.id == currentId) {
+			if (chapter.id == currentChapterId) {
 				isUnread = true
 			}
 			result += chapter.toListItem(
-				isCurrent = chapter.id == currentId,
+				isCurrent = chapter.id == currentChapterId,
 				isUnread = isUnread,
 				isNew = false,
 				isDownloaded = !isLocal,

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

@@ -29,7 +29,7 @@ import androidx.swiperefreshlayout.widget.CircularProgressDrawable
 import coil.ImageLoader
 import coil.request.ImageRequest
 import coil.request.SuccessResult
-import coil.transform.CircleCropTransformation
+import coil.transform.RoundedCornersTransformation
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import com.google.android.material.snackbar.Snackbar
@@ -68,6 +68,7 @@ import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
 import org.koitharu.kotatsu.core.util.ext.isTextTruncated
+import org.koitharu.kotatsu.core.util.ext.joinToStringWithLimit
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.parentView
@@ -160,7 +161,7 @@ class DetailsActivity :
 		}
 		TitleExpandListener(viewBinding.textViewTitle).attach()
 
-		viewModel.details.filterNotNull().observe(this, ::onMangaUpdated)
+		viewModel.mangaDetails.filterNotNull().observe(this, ::onMangaUpdated)
 		viewModel.onMangaRemoved.observeEvent(this, ::onMangaRemoved)
 		viewModel.onError
 			.filterNot { ChaptersPagesSheet.isShown(supportFragmentManager) }
@@ -356,23 +357,7 @@ class DetailsActivity :
 		chip.text = if (categories.isEmpty()) {
 			getString(R.string.add_to_favourites)
 		} else {
-			if (categories.size == 1) {
-				categories.first().title.ellipsize(FAV_LABEL_LIMIT)
-			}
-			buildString(FAV_LABEL_LIMIT + 6) {
-				for ((i, cat) in categories.withIndex()) {
-					if (i == 0) {
-						append(cat.title.ellipsize(FAV_LABEL_LIMIT - 4))
-					} else if (length + cat.title.length > FAV_LABEL_LIMIT) {
-						append(", ")
-						append(getString(R.string.list_ellipsize_pattern, categories.size - i))
-						break
-					} else {
-						append(", ")
-						append(cat.title)
-					}
-				}
-			}
+			categories.joinToStringWithLimit(this, FAV_LABEL_LIMIT) { it.title }
 		}
 	}
 
@@ -490,7 +475,7 @@ class DetailsActivity :
 					.fallback(R.drawable.ic_web)
 					.error(R.drawable.ic_web)
 					.source(manga.source)
-					.transformations(CircleCropTransformation())
+					.transformations(RoundedCornersTransformation(resources.getDimension(R.dimen.chip_icon_corner)))
 					.allowRgb565(true)
 					.enqueueWith(coil)
 			}

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

@@ -12,32 +12,23 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.firstOrNull
-import kotlinx.coroutines.flow.flatMapLatest
-import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.onStart
 import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.plus
-import okio.FileNotFoundException
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.model.findById
 import org.koitharu.kotatsu.core.model.getPreferredBranch
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.ListMode
-import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
-import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.ui.util.ReversibleAction
-import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
-import org.koitharu.kotatsu.core.util.ext.combine
 import org.koitharu.kotatsu.core.util.ext.computeSize
 import org.koitharu.kotatsu.core.util.ext.onEachWhile
-import org.koitharu.kotatsu.core.util.ext.requireValue
 import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.details.domain.BranchComparator
 import org.koitharu.kotatsu.details.domain.DetailsInteractor
@@ -45,9 +36,9 @@ import org.koitharu.kotatsu.details.domain.DetailsLoadUseCase
 import org.koitharu.kotatsu.details.domain.ProgressUpdateUseCase
 import org.koitharu.kotatsu.details.domain.ReadingTimeUseCase
 import org.koitharu.kotatsu.details.domain.RelatedMangaUseCase
-import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
 import org.koitharu.kotatsu.details.ui.model.MangaBranch
+import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesViewModel
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.list.domain.MangaListMapper
@@ -57,6 +48,7 @@ import org.koitharu.kotatsu.local.domain.DeleteLocalMangaUseCase
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.scrobbling.common.domain.Scrobbler
 import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingInfo
 import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingStatus
@@ -66,37 +58,42 @@ import javax.inject.Inject
 @HiltViewModel
 class DetailsViewModel @Inject constructor(
 	private val historyRepository: HistoryRepository,
-	private val bookmarksRepository: BookmarksRepository,
-	private val settings: AppSettings,
+	bookmarksRepository: BookmarksRepository,
+	settings: AppSettings,
 	private val scrobblers: Set<@JvmSuppressWildcards Scrobbler>,
-	@LocalStorageChanges private val localStorageChanges: SharedFlow<LocalManga?>,
-	private val downloadScheduler: DownloadWorker.Scheduler,
+	@LocalStorageChanges localStorageChanges: SharedFlow<LocalManga?>,
+	downloadScheduler: DownloadWorker.Scheduler,
 	private val interactor: DetailsInteractor,
 	savedStateHandle: SavedStateHandle,
-	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
+	deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
 	private val relatedMangaUseCase: RelatedMangaUseCase,
 	private val mangaListMapper: MangaListMapper,
 	private val detailsLoadUseCase: DetailsLoadUseCase,
 	private val progressUpdateUseCase: ProgressUpdateUseCase,
 	private val readingTimeUseCase: ReadingTimeUseCase,
-	private val statsRepository: StatsRepository,
-) : BaseViewModel() {
+	statsRepository: StatsRepository,
+) : ChaptersPagesViewModel(
+	settings = settings,
+	interactor = interactor,
+	bookmarksRepository = bookmarksRepository,
+	historyRepository = historyRepository,
+	downloadScheduler = downloadScheduler,
+	deleteLocalMangaUseCase = deleteLocalMangaUseCase,
+	localStorageChanges = localStorageChanges,
+) {
 
 	private val intent = MangaIntent(savedStateHandle)
 	private var loadingJob: Job
 	val mangaId = intent.mangaId
 
-	val onActionDone = MutableEventFlow<ReversibleAction>()
-	val onSelectChapter = MutableEventFlow<Long>()
-	val onDownloadStarted = MutableEventFlow<Unit>()
-
-	val details = MutableStateFlow(intent.manga?.let { MangaDetails(it, null, null, false) })
-	val manga = details.map { x -> x?.toManga() }
-		.withErrorHandling()
-		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
+	init {
+		mangaDetails.value = intent.manga?.let { MangaDetails(it, null, null, false) }
+	}
 
 	val history = historyRepository.observeOne(mangaId)
-		.withErrorHandling()
+		.onEach { h ->
+			readingState.value = h?.let(::ReaderState)
+		}.withErrorHandling()
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
 
 	val favouriteCategories = interactor.observeFavourite(mangaId)
@@ -109,31 +106,8 @@ class DetailsViewModel @Inject constructor(
 
 	val remoteManga = MutableStateFlow<Manga?>(null)
 
-	val newChaptersCount = details.flatMapLatest { d ->
-		if (d?.isLocal == false) {
-			interactor.observeNewChapters(mangaId)
-		} else {
-			flowOf(0)
-		}
-	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
-
-	private val chaptersQuery = MutableStateFlow("")
-	val selectedBranch = MutableStateFlow<String?>(null)
-
-	val isChaptersReversed = settings.observeAsStateFlow(
-		scope = viewModelScope + Dispatchers.Default,
-		key = AppSettings.KEY_REVERSE_CHAPTERS,
-		valueProducer = { isChaptersReverse },
-	)
-
-	val isChaptersInGridView = settings.observeAsStateFlow(
-		scope = viewModelScope + Dispatchers.Default,
-		key = AppSettings.KEY_GRID_VIEW_CHAPTERS,
-		valueProducer = { isChaptersGridView },
-	)
-
 	val historyInfo: StateFlow<HistoryInfo> = combine(
-		details,
+		mangaDetails,
 		selectedBranch,
 		history,
 		interactor.observeIncognitoMode(manga),
@@ -145,11 +119,7 @@ class DetailsViewModel @Inject constructor(
 		initialValue = HistoryInfo(null, null, null, false),
 	)
 
-	val bookmarks = manga.flatMapLatest {
-		if (it != null) bookmarksRepository.observeBookmarks(it) else flowOf(emptyList())
-	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, emptyList())
-
-	val localSize = details
+	val localSize = mangaDetails
 		.map { it?.local }
 		.distinctUntilChanged()
 		.combine(localStorageChanges.onStart { emit(null) }) { x, _ -> x }
@@ -163,7 +133,6 @@ class DetailsViewModel @Inject constructor(
 			}
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.WhileSubscribed(5000), 0L)
 
-	val onMangaRemoved = MutableEventFlow<Manga>()
 	val isScrobblingAvailable: Boolean
 		get() = scrobblers.any { it.isEnabled }
 
@@ -182,7 +151,7 @@ class DetailsViewModel @Inject constructor(
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, emptyList())
 
 	val branches: StateFlow<List<MangaBranch>> = combine(
-		details,
+		mangaDetails,
 		selectedBranch,
 		history,
 	) { m, b, h ->
@@ -201,35 +170,8 @@ class DetailsViewModel @Inject constructor(
 		}.sortedWith(BranchComparator())
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	val isChaptersEmpty: StateFlow<Boolean> = details.map {
-		it != null && it.isLoaded && it.allChapters.isEmpty()
-	}.stateIn(viewModelScope, SharingStarted.WhileSubscribed(), false)
-
-	val chapters = combine(
-		combine(
-			details,
-			history,
-			selectedBranch,
-			newChaptersCount,
-			bookmarks,
-			isChaptersInGridView,
-		) { manga, history, branch, news, bookmarks, grid ->
-			manga?.mapChapters(
-				history,
-				news,
-				branch,
-				bookmarks,
-				grid,
-			).orEmpty()
-		},
-		isChaptersReversed,
-		chaptersQuery,
-	) { list, reversed, query ->
-		(if (reversed) list.asReversed() else list).filterSearch(query)
-	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
-
 	val readingTime = combine(
-		details,
+		mangaDetails,
 		selectedBranch,
 		history,
 	) { m, b, h ->
@@ -242,18 +184,14 @@ class DetailsViewModel @Inject constructor(
 	init {
 		loadingJob = doLoad()
 		launchJob(Dispatchers.Default) {
-			localStorageChanges
-				.collect { onDownloadComplete(it) }
-		}
-		launchJob(Dispatchers.Default) {
-			val manga = details.firstOrNull { !it?.chapters.isNullOrEmpty() } ?: return@launchJob
+			val manga = mangaDetails.firstOrNull { !it?.chapters.isNullOrEmpty() } ?: return@launchJob
 			val h = history.firstOrNull()
 			if (h != null) {
 				progressUpdateUseCase(manga.toManga())
 			}
 		}
 		launchJob(Dispatchers.Default) {
-			val manga = details.firstOrNull { it != null && it.isLocal } ?: return@launchJob
+			val manga = mangaDetails.firstOrNull { it != null && it.isLocal } ?: return@launchJob
 			remoteManga.value = interactor.findRemote(manga.toManga())
 		}
 	}
@@ -263,41 +201,6 @@ class DetailsViewModel @Inject constructor(
 		loadingJob = doLoad()
 	}
 
-	fun deleteLocal() {
-		val m = details.value?.local?.manga
-		if (m == null) {
-			errorEvent.call(FileNotFoundException())
-			return
-		}
-		launchLoadingJob(Dispatchers.Default) {
-			deleteLocalMangaUseCase(m)
-			onMangaRemoved.call(m)
-		}
-	}
-
-	fun removeBookmark(bookmark: Bookmark) {
-		launchJob(Dispatchers.Default) {
-			bookmarksRepository.removeBookmark(bookmark)
-			onActionDone.call(ReversibleAction(R.string.bookmark_removed, null))
-		}
-	}
-
-	fun setChaptersReversed(newValue: Boolean) {
-		settings.isChaptersReverse = newValue
-	}
-
-	fun setChaptersInGridView(newValue: Boolean) {
-		settings.isChaptersGridView = newValue
-	}
-
-	fun setSelectedBranch(branch: String?) {
-		selectedBranch.value = branch
-	}
-
-	fun performChapterSearch(query: String?) {
-		chaptersQuery.value = query?.trim().orEmpty()
-	}
-
 	fun updateScrobbling(index: Int, rating: Float, status: ScrobblingStatus?) {
 		val scrobbler = getScrobbler(index) ?: return
 		launchJob(Dispatchers.Default) {
@@ -319,34 +222,6 @@ class DetailsViewModel @Inject constructor(
 		}
 	}
 
-	fun markChapterAsCurrent(chapterId: Long) {
-		launchJob(Dispatchers.Default) {
-			val manga = checkNotNull(details.value)
-			val chapters = checkNotNull(manga.chapters[selectedBranchValue])
-			val chapterIndex = chapters.indexOfFirst { it.id == chapterId }
-			check(chapterIndex in chapters.indices) { "Chapter not found" }
-			val percent = chapterIndex / chapters.size.toFloat()
-			historyRepository.addOrUpdate(
-				manga = manga.toManga(),
-				chapterId = chapterId,
-				page = 0,
-				scroll = 0,
-				percent = percent,
-				force = true,
-			)
-		}
-	}
-
-	fun download(chaptersIds: Set<Long>?) {
-		launchJob(Dispatchers.Default) {
-			downloadScheduler.schedule(
-				details.requireValue().toManga(),
-				chaptersIds,
-			)
-			onDownloadStarted.call(Unit)
-		}
-	}
-
 	fun startChaptersSelection() {
 		val chapters = chapters.value
 		val chapter = chapters.find {
@@ -374,28 +249,10 @@ class DetailsViewModel @Inject constructor(
 				selectedBranch.value = manga.getPreferredBranch(hist)
 				true
 			}.collect {
-				details.value = it
+				mangaDetails.value = it
 			}
 	}
 
-	private fun List<ChapterListItem>.filterSearch(query: String): List<ChapterListItem> {
-		if (query.isEmpty() || this.isEmpty()) {
-			return this
-		}
-		return filter {
-			it.chapter.name.contains(query, ignoreCase = true)
-		}
-	}
-
-	private suspend fun onDownloadComplete(downloadedManga: LocalManga?) {
-		downloadedManga ?: return
-		launchJob {
-			details.update {
-				interactor.updateLocal(it, downloadedManga)
-			}
-		}
-	}
-
 	private fun getScrobbler(index: Int): Scrobbler? {
 		val info = scrobblingInfo.value.getOrNull(index)
 		val scrobbler = if (info != null) {

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

@@ -4,7 +4,8 @@ import android.content.DialogInterface
 import android.view.View
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.ids
-import org.koitharu.kotatsu.core.ui.dialog.RecyclerViewAlertDialog
+import org.koitharu.kotatsu.core.ui.dialog.buildAlertDialog
+import org.koitharu.kotatsu.core.ui.dialog.setRecyclerViewList
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.download.ui.dialog.DownloadOption
 import org.koitharu.kotatsu.download.ui.dialog.downloadOptionAD
@@ -53,16 +54,14 @@ class DownloadDialogHelper(
 			callback.onItemClick(item, host)
 			dialog?.dismiss()
 		}
-		dialog = RecyclerViewAlertDialog.Builder<DownloadOption>(host.context)
-			.addAdapterDelegate(downloadOptionAD(listener))
-			.setCancelable(true)
-			.setTitle(R.string.download)
-			.setNegativeButton(android.R.string.cancel)
-			.setNeutralButton(R.string.settings) { _, _ ->
+		dialog = buildAlertDialog(host.context) {
+			setCancelable(true)
+			setTitle(R.string.download)
+			setNegativeButton(android.R.string.cancel, null)
+			setNeutralButton(R.string.settings) { _, _ ->
 				host.context.startActivity(SettingsActivity.newDownloadsSettingsIntent(host.context))
 			}
-			.setItems(options)
-			.create()
-			.also { it.show() }
+			setRecyclerViewList(options, downloadOptionAD(listener))
+		}.also { it.show() }
 	}
 }

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

@@ -14,14 +14,13 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.sheet.BaseAdaptiveSheet
 import org.koitharu.kotatsu.core.util.ext.setValueRounded
 import org.koitharu.kotatsu.core.util.progress.IntPercentLabelFormatter
-import org.koitharu.kotatsu.details.ui.DetailsViewModel
 import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesSheet.Companion.TAB_BOOKMARKS
 import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesSheet.Companion.TAB_CHAPTERS
 import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesSheet.Companion.TAB_PAGES
 import java.lang.ref.WeakReference
 
 class ChapterPagesMenuProvider(
-	private val viewModel: DetailsViewModel,
+	private val viewModel: ChaptersPagesViewModel,
 	private val sheet: BaseAdaptiveSheet<*>,
 	private val pager: ViewPager2,
 	private val settings: AppSettings,

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

@@ -7,7 +7,6 @@ import android.view.ViewGroup
 import androidx.appcompat.view.ActionMode
 import androidx.core.view.isVisible
 import androidx.fragment.app.FragmentManager
-import androidx.fragment.app.activityViewModels
 import com.google.android.material.tabs.TabLayoutMediator
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
@@ -30,7 +29,6 @@ import org.koitharu.kotatsu.core.util.ext.setTabsEnabled
 import org.koitharu.kotatsu.core.util.ext.showDistinct
 import org.koitharu.kotatsu.core.util.ext.withArgs
 import org.koitharu.kotatsu.databinding.SheetChaptersPagesBinding
-import org.koitharu.kotatsu.details.ui.DetailsViewModel
 import org.koitharu.kotatsu.download.ui.worker.DownloadStartedObserver
 import javax.inject.Inject
 
@@ -40,7 +38,7 @@ class ChaptersPagesSheet : BaseAdaptiveSheet<SheetChaptersPagesBinding>(), Actio
 	@Inject
 	lateinit var settings: AppSettings
 
-	private val viewModel by activityViewModels<DetailsViewModel>()
+	private val viewModel by ChaptersPagesViewModel.ActivityVMLazy(this)
 
 	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): SheetChaptersPagesBinding {
 		return SheetChaptersPagesBinding.inflate(inflater, container, false)
@@ -93,8 +91,8 @@ class ChaptersPagesSheet : BaseAdaptiveSheet<SheetChaptersPagesBinding>(), Actio
 	}
 
 	override fun onActionModeStarted(mode: ActionMode) {
-		expandAndLock()
 		viewBinding?.toolbar?.menuView?.isVisible = false
+		view?.post(::expandAndLock)
 	}
 
 	override fun onActionModeFinished(mode: ActionMode) {

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

@@ -0,0 +1,233 @@
+package org.koitharu.kotatsu.details.ui.pager
+
+import android.app.Activity
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.plus
+import okio.FileNotFoundException
+import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.ui.util.ReversibleAction
+import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
+import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.core.util.ext.combine
+import org.koitharu.kotatsu.core.util.ext.requireValue
+import org.koitharu.kotatsu.details.data.MangaDetails
+import org.koitharu.kotatsu.details.domain.DetailsInteractor
+import org.koitharu.kotatsu.details.ui.DetailsActivity
+import org.koitharu.kotatsu.details.ui.DetailsViewModel
+import org.koitharu.kotatsu.details.ui.mapChapters
+import org.koitharu.kotatsu.details.ui.model.ChapterListItem
+import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
+import org.koitharu.kotatsu.history.data.HistoryRepository
+import org.koitharu.kotatsu.local.domain.DeleteLocalMangaUseCase
+import org.koitharu.kotatsu.local.domain.model.LocalManga
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.reader.ui.ReaderActivity
+import org.koitharu.kotatsu.reader.ui.ReaderState
+import org.koitharu.kotatsu.reader.ui.ReaderViewModel
+
+abstract class ChaptersPagesViewModel(
+	@JvmField protected val settings: AppSettings,
+	private val interactor: DetailsInteractor,
+	private val bookmarksRepository: BookmarksRepository,
+	private val historyRepository: HistoryRepository,
+	private val downloadScheduler: DownloadWorker.Scheduler,
+	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
+	private val localStorageChanges: SharedFlow<LocalManga?>,
+) : BaseViewModel() {
+
+	val mangaDetails = MutableStateFlow<MangaDetails?>(null)
+	val readingState = MutableStateFlow<ReaderState?>(null)
+
+	val onActionDone = MutableEventFlow<ReversibleAction>()
+	val onSelectChapter = MutableEventFlow<Long>()
+	val onDownloadStarted = MutableEventFlow<Unit>()
+	val onMangaRemoved = MutableEventFlow<Manga>()
+
+	private val chaptersQuery = MutableStateFlow("")
+	val selectedBranch = MutableStateFlow<String?>(null)
+
+	val manga = mangaDetails.map { x -> x?.toManga() }
+		.withErrorHandling()
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
+
+	val isChaptersReversed = settings.observeAsStateFlow(
+		scope = viewModelScope + Dispatchers.Default,
+		key = AppSettings.KEY_REVERSE_CHAPTERS,
+		valueProducer = { isChaptersReverse },
+	)
+
+	val isChaptersInGridView = settings.observeAsStateFlow(
+		scope = viewModelScope + Dispatchers.Default,
+		key = AppSettings.KEY_GRID_VIEW_CHAPTERS,
+		valueProducer = { isChaptersGridView },
+	)
+
+	val newChaptersCount = mangaDetails.flatMapLatest { d ->
+		if (d?.isLocal == false) {
+			interactor.observeNewChapters(d.id)
+		} else {
+			flowOf(0)
+		}
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
+
+	val isChaptersEmpty: StateFlow<Boolean> = mangaDetails.map {
+		it != null && it.isLoaded && it.allChapters.isEmpty()
+	}.stateIn(viewModelScope, SharingStarted.WhileSubscribed(), false)
+
+	val bookmarks = mangaDetails.flatMapLatest {
+		if (it != null) bookmarksRepository.observeBookmarks(it.toManga()) else flowOf(emptyList())
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, emptyList())
+
+	val chapters = combine(
+		combine(
+			mangaDetails,
+			readingState.map { it?.chapterId ?: 0L }.distinctUntilChanged(),
+			selectedBranch,
+			newChaptersCount,
+			bookmarks,
+			isChaptersInGridView,
+		) { manga, currentChapterId, branch, news, bookmarks, grid ->
+			manga?.mapChapters(
+				currentChapterId,
+				news,
+				branch,
+				bookmarks,
+				grid,
+			).orEmpty()
+		},
+		isChaptersReversed,
+		chaptersQuery,
+	) { list, reversed, query ->
+		(if (reversed) list.asReversed() else list).filterSearch(query)
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
+
+	init {
+		launchJob(Dispatchers.Default) {
+			localStorageChanges
+				.collect { onDownloadComplete(it) }
+		}
+	}
+
+	fun setChaptersReversed(newValue: Boolean) {
+		settings.isChaptersReverse = newValue
+	}
+
+	fun setChaptersInGridView(newValue: Boolean) {
+		settings.isChaptersGridView = newValue
+	}
+
+	fun setSelectedBranch(branch: String?) {
+		selectedBranch.value = branch
+	}
+
+	fun performChapterSearch(query: String?) {
+		chaptersQuery.value = query?.trim().orEmpty()
+	}
+
+	fun getMangaOrNull(): Manga? = mangaDetails.value?.toManga()
+
+	fun requireManga() = mangaDetails.requireValue().toManga()
+
+	fun markChapterAsCurrent(chapterId: Long) {
+		launchJob(Dispatchers.Default) {
+			val manga = mangaDetails.requireValue()
+			val chapters = checkNotNull(manga.chapters[selectedBranch.value])
+			val chapterIndex = chapters.indexOfFirst { it.id == chapterId }
+			check(chapterIndex in chapters.indices) { "Chapter not found" }
+			val percent = chapterIndex / chapters.size.toFloat()
+			historyRepository.addOrUpdate(
+				manga = manga.toManga(),
+				chapterId = chapterId,
+				page = 0,
+				scroll = 0,
+				percent = percent,
+				force = true,
+			)
+		}
+	}
+
+	fun download(chaptersIds: Set<Long>?) {
+		launchJob(Dispatchers.Default) {
+			downloadScheduler.schedule(
+				requireManga(),
+				chaptersIds,
+			)
+			onDownloadStarted.call(Unit)
+		}
+	}
+
+	fun deleteLocal() {
+		val m = mangaDetails.value?.local?.manga
+		if (m == null) {
+			errorEvent.call(FileNotFoundException())
+			return
+		}
+		launchLoadingJob(Dispatchers.Default) {
+			deleteLocalMangaUseCase(m)
+			onMangaRemoved.call(m)
+		}
+	}
+
+	private fun List<ChapterListItem>.filterSearch(query: String): List<ChapterListItem> {
+		if (query.isEmpty() || this.isEmpty()) {
+			return this
+		}
+		return filter {
+			it.chapter.name.contains(query, ignoreCase = true)
+		}
+	}
+
+	private suspend fun onDownloadComplete(downloadedManga: LocalManga?) {
+		downloadedManga ?: return
+		mangaDetails.update {
+			interactor.updateLocal(it, downloadedManga)
+		}
+	}
+
+	class ActivityVMLazy(
+		private val fragment: Fragment,
+	) : Lazy<ChaptersPagesViewModel> {
+		private var cached: ChaptersPagesViewModel? = null
+
+		override val value: ChaptersPagesViewModel
+			get() {
+				val viewModel = cached
+				return if (viewModel == null) {
+					val activity = fragment.requireActivity()
+					val vmClass = getViewModelClass(activity)
+					ViewModelProvider.create(
+						store = activity.viewModelStore,
+						factory = activity.defaultViewModelProviderFactory,
+						extras = activity.defaultViewModelCreationExtras,
+					)[vmClass].also { cached = it }
+				} else {
+					viewModel
+				}
+			}
+
+		override fun isInitialized(): Boolean = cached != null
+
+		private fun getViewModelClass(activity: Activity) = when (activity) {
+			is ReaderActivity -> ReaderViewModel::class.java
+			is DetailsActivity -> DetailsViewModel::class.java
+			else -> error("Wrong activity ${activity.javaClass.simpleName} for ${ChaptersPagesViewModel::class.java.simpleName}")
+		}
+	}
+}

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

@@ -8,7 +8,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.view.ActionMode
 import androidx.core.graphics.Insets
-import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import coil.ImageLoader
@@ -30,7 +29,7 @@ import org.koitharu.kotatsu.core.util.ext.findParentCallback
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.FragmentMangaBookmarksBinding
-import org.koitharu.kotatsu.details.ui.DetailsViewModel
+import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesViewModel
 import org.koitharu.kotatsu.list.ui.GridSpanResolver
 import org.koitharu.kotatsu.list.ui.adapter.ListItemType
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
@@ -40,9 +39,9 @@ import javax.inject.Inject
 
 @AndroidEntryPoint
 class BookmarksFragment : BaseFragment<FragmentMangaBookmarksBinding>(),
-	OnListItemClickListener<Bookmark>, ListSelectionController.Callback2 {
+	OnListItemClickListener<Bookmark>, ListSelectionController.Callback {
 
-	private val activityViewModel by activityViewModels<DetailsViewModel>()
+	private val activityViewModel by ChaptersPagesViewModel.ActivityVMLazy(this)
 	private val viewModel by viewModels<BookmarksViewModel>()
 
 	@Inject
@@ -62,7 +61,7 @@ class BookmarksFragment : BaseFragment<FragmentMangaBookmarksBinding>(),
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
-		activityViewModel.manga.observe(this, viewModel)
+		activityViewModel.mangaDetails.observe(this, viewModel)
 	}
 
 	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentMangaBookmarksBinding {
@@ -125,7 +124,7 @@ class BookmarksFragment : BaseFragment<FragmentMangaBookmarksBinding>(),
 			dismissParentDialog()
 		} else {
 			val intent = IntentBuilder(view.context)
-				.manga(activityViewModel.manga.value ?: return)
+				.manga(activityViewModel.getMangaOrNull() ?: return)
 				.bookmark(item)
 				.incognito(true)
 				.build()

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/pager/bookmarks/BookmarksViewModel.kt

@@ -21,6 +21,7 @@ import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.ui.util.ReversibleAction
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.list.ui.model.ListModel
@@ -32,7 +33,7 @@ import javax.inject.Inject
 class BookmarksViewModel @Inject constructor(
 	private val bookmarksRepository: BookmarksRepository,
 	settings: AppSettings,
-) : BaseViewModel(), FlowCollector<Manga?> {
+) : BaseViewModel(), FlowCollector<MangaDetails?> {
 
 	private val manga = MutableStateFlow<Manga?>(null)
 	val onActionDone = MutableEventFlow<ReversibleAction>()
@@ -50,8 +51,8 @@ class BookmarksViewModel @Inject constructor(
 		.filterNotNull()
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, listOf(LoadingState))
 
-	override suspend fun emit(value: Manga?) {
-		manga.value = value
+	override suspend fun emit(value: MangaDetails?) {
+		manga.value = value?.toManga()
 	}
 
 	fun removeBookmarks(ids: Set<Long>) {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/pager/chapters/ChaptersFragment.kt

@@ -2,26 +2,21 @@ package org.koitharu.kotatsu.details.ui.pager.chapters
 
 import android.os.Bundle
 import android.view.LayoutInflater
-import android.view.Menu
-import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
-import androidx.appcompat.view.ActionMode
 import androidx.core.graphics.Insets
 import androidx.core.view.ancestors
 import androidx.core.view.isVisible
-import androidx.fragment.app.activityViewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.viewpager2.widget.ViewPager2
-import com.google.android.material.snackbar.Snackbar
+import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.model.LocalMangaSource
 import org.koitharu.kotatsu.core.ui.BaseFragment
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
@@ -32,28 +27,25 @@ import org.koitharu.kotatsu.core.util.ext.findAppCompatDelegate
 import org.koitharu.kotatsu.core.util.ext.findParentCallback
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
-import org.koitharu.kotatsu.core.util.ext.toCollection
-import org.koitharu.kotatsu.core.util.ext.toSet
 import org.koitharu.kotatsu.databinding.FragmentChaptersBinding
-import org.koitharu.kotatsu.details.ui.DetailsViewModel
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersAdapter
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersSelectionDecoration
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
+import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesViewModel
 import org.koitharu.kotatsu.details.ui.withVolumeHeaders
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService
 import org.koitharu.kotatsu.reader.ui.ReaderActivity.IntentBuilder
 import org.koitharu.kotatsu.reader.ui.ReaderNavigationCallback
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import kotlin.math.roundToInt
 
+@AndroidEntryPoint
 class ChaptersFragment :
 	BaseFragment<FragmentChaptersBinding>(),
-	OnListItemClickListener<ChapterListItem>,
-	ListSelectionController.Callback2 {
+	OnListItemClickListener<ChapterListItem> {
 
-	private val viewModel by activityViewModels<DetailsViewModel>()
+	private val viewModel by ChaptersPagesViewModel.ActivityVMLazy(this)
 
 	private var chaptersAdapter: ChaptersAdapter? = null
 	private var selectionController: ListSelectionController? = null
@@ -70,7 +62,7 @@ class ChaptersFragment :
 			appCompatDelegate = checkNotNull(findAppCompatDelegate()),
 			decoration = ChaptersSelectionDecoration(binding.root.context),
 			registryOwner = this,
-			callback = this,
+			callback = ChaptersSelectionCallback(viewModel, binding.recyclerViewChapters),
 		)
 		viewModel.isChaptersInGridView.observe(viewLifecycleOwner) { chaptersInGridView ->
 			binding.recyclerViewChapters.layoutManager = if (chaptersInGridView) {
@@ -116,7 +108,7 @@ class ChaptersFragment :
 		} else {
 			startActivity(
 				IntentBuilder(view.context)
-					.manga(viewModel.manga.value ?: return)
+					.manga(viewModel.getMangaOrNull() ?: return)
 					.state(ReaderState(item.chapter.id, 0, 0))
 					.build(),
 			)
@@ -127,126 +119,6 @@ class ChaptersFragment :
 		return selectionController?.onItemLongClick(item.chapter.id) ?: false
 	}
 
-	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
-		return when (item.itemId) {
-			R.id.action_save -> {
-				viewModel.download(selectionController?.snapshot())
-				mode.finish()
-				true
-			}
-
-			R.id.action_delete -> {
-				val ids = selectionController?.peekCheckedIds()
-				val manga = viewModel.manga.value
-				when {
-					ids == null || ids.isEmpty() || manga == null -> Unit
-					ids.size == manga.chapters?.size -> viewModel.deleteLocal()
-					else -> {
-						LocalChaptersRemoveService.start(requireContext(), manga, ids.toSet())
-						Snackbar.make(
-							requireViewBinding().recyclerViewChapters,
-							R.string.chapters_will_removed_background,
-							Snackbar.LENGTH_LONG,
-						).show()
-					}
-				}
-				mode.finish()
-				true
-			}
-
-			R.id.action_select_range -> {
-				val items = chaptersAdapter?.items ?: return false
-				val ids = controller.peekCheckedIds().toCollection(HashSet())
-				val buffer = HashSet<Long>()
-				var isAdding = false
-				for (x in items) {
-					if (x !is ChapterListItem) {
-						continue
-					}
-					if (x.chapter.id in ids) {
-						isAdding = true
-						if (buffer.isNotEmpty()) {
-							ids.addAll(buffer)
-							buffer.clear()
-						}
-					} else if (isAdding) {
-						buffer.add(x.chapter.id)
-					}
-				}
-				controller.addAll(ids)
-				true
-			}
-
-			R.id.action_select_all -> {
-				val ids = chaptersAdapter?.items?.mapNotNull {
-					if (it is ChapterListItem) {
-						it.chapter.id
-					} else {
-						null
-					}
-				} ?: return false
-				controller.addAll(ids)
-				true
-			}
-
-			R.id.action_mark_current -> {
-				val ids = controller.peekCheckedIds()
-				if (ids.size == 1) {
-					viewModel.markChapterAsCurrent(ids.first())
-				} else {
-					return false
-				}
-				mode.finish()
-				true
-			}
-
-			else -> false
-		}
-	}
-
-	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
-		mode.menuInflater.inflate(R.menu.mode_chapters, menu)
-		return true
-	}
-
-	override fun onPrepareActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
-		val selectedIds = selectionController?.peekCheckedIds() ?: return false
-		val allItems = chaptersAdapter?.items.orEmpty()
-		val items = allItems.withIndex().mapNotNull<IndexedValue<ListModel>, IndexedValue<ChapterListItem>> { x ->
-			val value = x.value
-			@Suppress("UNCHECKED_CAST")
-			if (value is ChapterListItem && value.chapter.id in selectedIds) {
-				x as IndexedValue<ChapterListItem>
-			} else {
-				null
-			}
-		}
-		var canSave = true
-		var canDelete = true
-		items.forEach { (_, x) ->
-			val isLocal = x.isDownloaded || x.chapter.source == LocalMangaSource
-			if (isLocal) canSave = false else canDelete = false
-		}
-		menu.findItem(R.id.action_save).isVisible = canSave
-		menu.findItem(R.id.action_delete).isVisible = canDelete
-		menu.findItem(R.id.action_select_all).isVisible = items.size < allItems.size
-		menu.findItem(R.id.action_mark_current).isVisible = items.size == 1
-		mode.title = items.size.toString()
-		var hasGap = false
-		for (i in 0 until items.size - 1) {
-			if (items[i].index + 1 != items[i + 1].index) {
-				hasGap = true
-				break
-			}
-		}
-		menu.findItem(R.id.action_select_range).isVisible = hasGap
-		return true
-	}
-
-	override fun onSelectionChanged(controller: ListSelectionController, count: Int) {
-		viewBinding?.recyclerViewChapters?.invalidateItemDecorations()
-	}
-
 	override fun onWindowInsetsChanged(insets: Insets) = Unit
 
 	private fun onChaptersChanged(list: List<ListModel>) {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/pager/chapters/ChaptersSelectionCallback.kt

@@ -0,0 +1,122 @@
+package org.koitharu.kotatsu.details.ui.pager.chapters
+
+import android.view.Menu
+import android.view.MenuItem
+import androidx.appcompat.view.ActionMode
+import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.snackbar.Snackbar
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.LocalMangaSource
+import org.koitharu.kotatsu.core.ui.list.BaseListSelectionCallback
+import org.koitharu.kotatsu.core.ui.list.ListSelectionController
+import org.koitharu.kotatsu.core.util.ext.toCollection
+import org.koitharu.kotatsu.core.util.ext.toSet
+import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesViewModel
+import org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService
+
+class ChaptersSelectionCallback(
+	private val viewModel: ChaptersPagesViewModel,
+	recyclerView: RecyclerView,
+) : BaseListSelectionCallback(recyclerView) {
+
+	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		mode.menuInflater.inflate(R.menu.mode_chapters, menu)
+		return true
+	}
+
+	override fun onPrepareActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		val selectedIds = controller.peekCheckedIds()
+		val allItems = viewModel.chapters.value
+		val items = allItems.withIndex().filter { it.value.chapter.id in selectedIds }
+		var canSave = true
+		var canDelete = true
+		items.forEach { (_, x) ->
+			val isLocal = x.isDownloaded || x.chapter.source == LocalMangaSource
+			if (isLocal) canSave = false else canDelete = false
+		}
+		menu.findItem(R.id.action_save).isVisible = canSave
+		menu.findItem(R.id.action_delete).isVisible = canDelete
+		menu.findItem(R.id.action_select_all).isVisible = items.size < allItems.size
+		menu.findItem(R.id.action_mark_current).isVisible = items.size == 1
+		mode.title = items.size.toString()
+		var hasGap = false
+		for (i in 0 until items.size - 1) {
+			if (items[i].index + 1 != items[i + 1].index) {
+				hasGap = true
+				break
+			}
+		}
+		menu.findItem(R.id.action_select_range).isVisible = hasGap
+		return true
+	}
+
+	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.action_save -> {
+				viewModel.download(controller.snapshot())
+				mode.finish()
+				true
+			}
+
+			R.id.action_delete -> {
+				val ids = controller.peekCheckedIds()
+				val manga = viewModel.getMangaOrNull()
+				when {
+					ids.isEmpty() || manga == null -> Unit
+					ids.size == manga.chapters?.size -> viewModel.deleteLocal()
+					else -> {
+						LocalChaptersRemoveService.start(recyclerView.context, manga, ids.toSet())
+						Snackbar.make(
+							recyclerView,
+							R.string.chapters_will_removed_background,
+							Snackbar.LENGTH_LONG,
+						).show()
+					}
+				}
+				mode.finish()
+				true
+			}
+
+			R.id.action_select_range -> {
+				val items = viewModel.chapters.value
+				val ids = controller.peekCheckedIds().toCollection(HashSet())
+				val buffer = HashSet<Long>()
+				var isAdding = false
+				for (x in items) {
+					if (x.chapter.id in ids) {
+						isAdding = true
+						if (buffer.isNotEmpty()) {
+							ids.addAll(buffer)
+							buffer.clear()
+						}
+					} else if (isAdding) {
+						buffer.add(x.chapter.id)
+					}
+				}
+				controller.addAll(ids)
+				true
+			}
+
+			R.id.action_select_all -> {
+				val ids = viewModel.chapters.value.map {
+					it.chapter.id
+				}
+				controller.addAll(ids)
+				true
+			}
+
+			R.id.action_mark_current -> {
+				val ids = controller.peekCheckedIds()
+				if (ids.size == 1) {
+					viewModel.markChapterAsCurrent(ids.first())
+				} else {
+					return false
+				}
+				mode.finish()
+				true
+			}
+
+			else -> false
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/pager/pages/PagesFragment.kt

@@ -7,7 +7,6 @@ import android.view.ViewGroup
 import androidx.core.graphics.Insets
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
-import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
@@ -30,7 +29,7 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.showOrHide
 import org.koitharu.kotatsu.databinding.FragmentPagesBinding
-import org.koitharu.kotatsu.details.ui.DetailsViewModel
+import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesViewModel
 import org.koitharu.kotatsu.list.ui.GridSpanResolver
 import org.koitharu.kotatsu.list.ui.adapter.ListItemType
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
@@ -46,15 +45,15 @@ class PagesFragment :
 	BaseFragment<FragmentPagesBinding>(),
 	OnListItemClickListener<PageThumbnail> {
 
-	private val detailsViewModel by activityViewModels<DetailsViewModel>()
-	private val viewModel by viewModels<PagesViewModel>()
-
 	@Inject
 	lateinit var coil: ImageLoader
 
 	@Inject
 	lateinit var settings: AppSettings
 
+	private val parentViewModel by ChaptersPagesViewModel.ActivityVMLazy(this)
+	private val viewModel by viewModels<PagesViewModel>()
+
 	private var thumbnailsAdapter: PageThumbnailAdapter? = null
 	private var spanResolver: GridSpanResolver? = null
 	private var scrollListener: ScrollListener? = null
@@ -64,12 +63,12 @@ class PagesFragment :
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		combine(
-			detailsViewModel.details,
-			detailsViewModel.history,
-			detailsViewModel.selectedBranch,
-		) { details, history, branch ->
+			parentViewModel.mangaDetails,
+			parentViewModel.readingState,
+			parentViewModel.selectedBranch,
+		) { details, readingState, branch ->
 			if (details != null && (details.isLoaded || details.chapters.isNotEmpty())) {
-				PagesViewModel.State(details.filterChapters(branch), history, branch)
+				PagesViewModel.State(details.filterChapters(branch), readingState, branch)
 			} else {
 				null
 			}
@@ -102,7 +101,7 @@ class PagesFragment :
 				it.spanCount = checkNotNull(spanResolver).spanCount
 			}
 		}
-		detailsViewModel.isChaptersEmpty.observe(viewLifecycleOwner, ::onNoChaptersChanged)
+		parentViewModel.isChaptersEmpty.observe(viewLifecycleOwner, ::onNoChaptersChanged)
 		viewModel.thumbnails.observe(viewLifecycleOwner, ::onThumbnailsChanged)
 		viewModel.onError.observeEvent(viewLifecycleOwner, SnackbarErrorObserver(binding.recyclerView, this))
 		viewModel.isLoading.observe(viewLifecycleOwner) { binding.progressBar.showOrHide(it) }
@@ -127,7 +126,7 @@ class PagesFragment :
 		} else {
 			startActivity(
 				IntentBuilder(view.context)
-					.manga(detailsViewModel.manga.value ?: return)
+					.manga(parentViewModel.getMangaOrNull() ?: return)
 					.state(ReaderState(item.page.chapterId, item.page.index, 0))
 					.build(),
 			)

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/pager/pages/PagesViewModel.kt

@@ -7,7 +7,6 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.plus
-import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
@@ -16,12 +15,13 @@ import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.reader.domain.ChaptersLoader
+import org.koitharu.kotatsu.reader.ui.ReaderState
 import javax.inject.Inject
 
 @HiltViewModel
 class PagesViewModel @Inject constructor(
 	private val chaptersLoader: ChaptersLoader,
-	private val settings: AppSettings,
+	settings: AppSettings,
 ) : BaseViewModel() {
 
 	private var loadingJob: Job? = null
@@ -75,13 +75,13 @@ class PagesViewModel @Inject constructor(
 
 	private suspend fun doInit(state: State) {
 		chaptersLoader.init(state.details)
-		val initialChapterId = state.history?.chapterId?.takeIf {
+		val initialChapterId = state.readerState?.chapterId?.takeIf {
 			chaptersLoader.peekChapter(it) != null
 		} ?: state.details.allChapters.firstOrNull()?.id ?: return
 		if (!chaptersLoader.hasPages(initialChapterId)) {
 			chaptersLoader.loadSingleChapter(initialChapterId)
 		}
-		updateList(state.history)
+		updateList(state.readerState)
 	}
 
 	private fun loadPrevNextChapter(isNext: Boolean): Job = launchJob(Dispatchers.Default) {
@@ -91,13 +91,13 @@ class PagesViewModel @Inject constructor(
 			val currentState = state.firstNotNull()
 			val currentId = (if (isNext) chaptersLoader.last() else chaptersLoader.first()).chapterId
 			chaptersLoader.loadPrevNextChapter(currentState.details, currentId, isNext)
-			updateList(currentState.history)
+			updateList(currentState.readerState)
 		} finally {
 			indicator.value = false
 		}
 	}
 
-	private fun updateList(history: MangaHistory?) {
+	private fun updateList(readerState: ReaderState?) {
 		val snapshot = chaptersLoader.snapshot()
 		val pages = buildList(snapshot.size + chaptersLoader.size + 2) {
 			var previousChapterId = 0L
@@ -109,7 +109,7 @@ class PagesViewModel @Inject constructor(
 					previousChapterId = page.chapterId
 				}
 				this += PageThumbnail(
-					isCurrent = history?.let {
+					isCurrent = readerState?.let {
 						page.chapterId == it.chapterId && page.index == it.page
 					} ?: false,
 					page = page,
@@ -121,7 +121,7 @@ class PagesViewModel @Inject constructor(
 
 	data class State(
 		val details: MangaDetails,
-		val history: MangaHistory?,
+		val readerState: ReaderState?,
 		val branch: String?
 	)
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/domain/DownloadProgress.kt

@@ -0,0 +1,8 @@
+package org.koitharu.kotatsu.download.domain
+
+data class DownloadProgress(
+	val totalChapters: Int,
+	val currentChapter: Int,
+	val totalPages: Int,
+	val currentPage: Int,
+)

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

@@ -1,7 +1,7 @@
 package org.koitharu.kotatsu.download.domain
 
 import androidx.work.Data
-import org.koitharu.kotatsu.history.data.PROGRESS_NONE
+import org.koitharu.kotatsu.list.domain.ReadingProgress.Companion.PROGRESS_NONE
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import java.time.Instant
@@ -11,12 +11,14 @@ data class DownloadState(
 	val isIndeterminate: Boolean,
 	val isPaused: Boolean = false,
 	val isStopped: Boolean = false,
-	val error: String? = null,
+	val error: Throwable? = null,
+	val errorMessage: String? = null,
 	val totalChapters: Int = 0,
 	val currentChapter: Int = 0,
 	val totalPages: Int = 0,
 	val currentPage: Int = 0,
 	val eta: Long = -1L,
+	val isStuck: Boolean = false,
 	val localManga: LocalManga? = null,
 	val downloadedChapters: Int = 0,
 	val timestamp: Long = System.currentTimeMillis(),
@@ -39,8 +41,9 @@ data class DownloadState(
 		.putInt(DATA_MAX, max)
 		.putInt(DATA_PROGRESS, progress)
 		.putLong(DATA_ETA, eta)
+		.putBoolean(DATA_STUCK, isStuck)
 		.putLong(DATA_TIMESTAMP, timestamp)
-		.putString(DATA_ERROR, error)
+		.putString(DATA_ERROR, errorMessage)
 		.putInt(DATA_CHAPTERS, downloadedChapters)
 		.putBoolean(DATA_INDETERMINATE, isIndeterminate)
 		.putBoolean(DATA_PAUSED, isPaused)
@@ -53,6 +56,7 @@ data class DownloadState(
 		private const val DATA_PROGRESS = "progress"
 		private const val DATA_CHAPTERS = "chapter_cnt"
 		private const val DATA_ETA = "eta"
+		private const val DATA_STUCK = "stuck"
 		const val DATA_TIMESTAMP = "timestamp"
 		private const val DATA_ERROR = "error"
 		private const val DATA_INDETERMINATE = "indeterminate"
@@ -72,6 +76,8 @@ data class DownloadState(
 
 		fun getEta(data: Data): Long = data.getLong(DATA_ETA, -1L)
 
+		fun isStuck(data: Data): Boolean = data.getBoolean(DATA_STUCK, false)
+
 		fun getTimestamp(data: Data): Instant = Instant.ofEpochMilli(data.getLong(DATA_TIMESTAMP, 0L))
 
 		fun getDownloadedChapters(data: Data): Int = data.getInt(DATA_CHAPTERS, 0)

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

@@ -45,8 +45,9 @@ fun downloadItemAD(
 		override fun onClick(v: View) {
 			when (v.id) {
 				R.id.button_cancel -> listener.onCancelClick(item)
-				R.id.button_resume -> listener.onResumeClick(item, skip = false)
-				R.id.button_skip -> listener.onResumeClick(item, skip = true)
+				R.id.button_resume -> listener.onResumeClick(item)
+				R.id.button_skip -> listener.onSkipClick(item)
+				R.id.button_skip_all -> listener.onSkipAllClick(item)
 				R.id.button_pause -> listener.onPauseClick(item)
 				R.id.imageView_expand -> listener.onExpandClick(item)
 				else -> listener.onItemClick(item, v)
@@ -65,6 +66,7 @@ fun downloadItemAD(
 	binding.buttonPause.setOnClickListener(clickListener)
 	binding.buttonResume.setOnClickListener(clickListener)
 	binding.buttonSkip.setOnClickListener(clickListener)
+	binding.buttonSkipAll.setOnClickListener(clickListener)
 	binding.imageViewExpand.setOnClickListener(clickListener)
 	itemView.setOnClickListener(clickListener)
 	itemView.setOnLongClickListener(clickListener)
@@ -136,9 +138,14 @@ fun downloadItemAD(
 				binding.progressBar.setProgressCompat(item.progress, payloads.isNotEmpty())
 				binding.textViewPercent.text = percentPattern.format((item.percent * 100f).format(1))
 				binding.textViewPercent.isVisible = true
-				binding.textViewDetails.textAndVisible = if (item.isPaused) item.error else item.getEtaString()
+				binding.textViewDetails.textAndVisible = when {
+					item.isPaused -> item.getErrorMessage(context)
+					item.isStuck -> context.getString(R.string.stuck)
+					else -> item.getEtaString()
+				}
 				binding.buttonCancel.isVisible = true
 				binding.buttonResume.isVisible = item.isPaused
+				binding.buttonResume.setText(if (item.error == null) R.string.resume else R.string.retry)
 				binding.buttonSkip.isVisible = item.isPaused && item.error != null
 				binding.buttonPause.isVisible = item.canPause
 			}
@@ -171,7 +178,7 @@ fun downloadItemAD(
 				binding.progressBar.isVisible = false
 				binding.progressBar.isEnabled = true
 				binding.textViewPercent.isVisible = false
-				binding.textViewDetails.textAndVisible = item.error
+				binding.textViewDetails.textAndVisible = item.getErrorMessage(context)
 				binding.buttonCancel.isVisible = false
 				binding.buttonResume.isVisible = false
 				binding.buttonSkip.isVisible = false

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

@@ -8,7 +8,11 @@ interface DownloadItemListener : OnListItemClickListener<DownloadItemModel> {
 
 	fun onPauseClick(item: DownloadItemModel)
 
-	fun onResumeClick(item: DownloadItemModel, skip: Boolean)
+	fun onResumeClick(item: DownloadItemModel)
+
+	fun onSkipClick(item: DownloadItemModel)
+
+	fun onSkipAllClick(item: DownloadItemModel)
 
 	fun onExpandClick(item: DownloadItemModel)
 }

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

@@ -1,15 +1,22 @@
 package org.koitharu.kotatsu.download.ui.list
 
+import android.content.Context
+import android.graphics.Color
 import android.text.format.DateUtils
+import androidx.core.text.bold
+import androidx.core.text.buildSpannedString
+import androidx.core.text.color
 import androidx.work.WorkInfo
 import coil.memory.MemoryCache
 import kotlinx.coroutines.flow.StateFlow
+import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.Manga
 import java.time.Instant
 import java.util.UUID
+import com.google.android.material.R as materialR
 
 data class DownloadItemModel(
 	val id: UUID,
@@ -21,6 +28,7 @@ data class DownloadItemModel(
 	val max: Int,
 	val progress: Int,
 	val eta: Long,
+	val isStuck: Boolean,
 	val timestamp: Instant,
 	val chaptersDownloaded: Int,
 	val isExpanded: Boolean,
@@ -51,6 +59,18 @@ data class DownloadItemModel(
 		null
 	}
 
+	fun getErrorMessage(context: Context): CharSequence? = if (error != null) {
+		buildSpannedString {
+			bold {
+				color(context.getThemeColor(materialR.attr.colorError, Color.RED)) {
+					append(error)
+				}
+			}
+		}
+	} else {
+		null
+	}
+
 	override fun compareTo(other: DownloadItemModel): Int {
 		return timestamp.compareTo(other.timestamp)
 	}

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

@@ -1,7 +1,5 @@
 package org.koitharu.kotatsu.download.ui.list
 
-import android.content.Context
-import android.content.Intent
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
@@ -22,18 +20,21 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.ActivityDownloadsBinding
 import org.koitharu.kotatsu.details.ui.DetailsActivity
-import org.koitharu.kotatsu.download.ui.worker.PausingReceiver
+import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>(),
 	DownloadItemListener,
-	ListSelectionController.Callback2 {
+	ListSelectionController.Callback {
 
 	@Inject
 	lateinit var coil: ImageLoader
 
+	@Inject
+	lateinit var scheduler: DownloadWorker.Scheduler
+
 	private val viewModel by viewModels<DownloadsViewModel>()
 	private lateinit var selectionController: ListSelectionController
 
@@ -102,11 +103,19 @@ class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>(),
 	}
 
 	override fun onPauseClick(item: DownloadItemModel) {
-		sendBroadcast(PausingReceiver.getPauseIntent(this, item.id))
+		scheduler.pause(item.id)
 	}
 
-	override fun onResumeClick(item: DownloadItemModel, skip: Boolean) {
-		sendBroadcast(PausingReceiver.getResumeIntent(this, item.id, skip))
+	override fun onResumeClick(item: DownloadItemModel) {
+		scheduler.resume(item.id)
+	}
+
+	override fun onSkipClick(item: DownloadItemModel) {
+		scheduler.skip(item.id)
+	}
+
+	override fun onSkipAllClick(item: DownloadItemModel) {
+		scheduler.skipAll(item.id)
 	}
 
 	override fun onSelectionChanged(controller: ListSelectionController, count: Int) {
@@ -171,9 +180,4 @@ class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>(),
 		menu.findItem(R.id.action_remove)?.isVisible = canRemove
 		return super.onPrepareActionMode(controller, mode, menu)
 	}
-
-	companion object {
-
-		fun newIntent(context: Context) = Intent(context, DownloadsActivity::class.java)
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadsMenuProvider.kt

@@ -5,9 +5,8 @@ import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import androidx.core.view.MenuProvider
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.DIALOG_THEME_CENTERED
+import org.koitharu.kotatsu.core.ui.dialog.buildAlertDialog
 import org.koitharu.kotatsu.settings.SettingsActivity
 
 class DownloadsMenuProvider(
@@ -42,24 +41,22 @@ class DownloadsMenuProvider(
 	}
 
 	private fun confirmCancelAll() {
-		MaterialAlertDialogBuilder(context, DIALOG_THEME_CENTERED)
-			.setTitle(R.string.cancel_all)
-			.setMessage(R.string.cancel_all_downloads_confirm)
-			.setIcon(R.drawable.ic_cancel_multiple)
-			.setNegativeButton(android.R.string.cancel, null)
-			.setPositiveButton(R.string.confirm) { _, _ ->
-				viewModel.cancelAll()
-			}.show()
+		buildAlertDialog(context, isCentered = true) {
+			setTitle(R.string.cancel_all)
+			setMessage(R.string.cancel_all_downloads_confirm)
+			setIcon(R.drawable.ic_cancel_multiple)
+			setNegativeButton(android.R.string.cancel, null)
+			setPositiveButton(R.string.confirm) { _, _ -> viewModel.cancelAll() }
+		}.show()
 	}
 
 	private fun confirmRemoveCompleted() {
-		MaterialAlertDialogBuilder(context, DIALOG_THEME_CENTERED)
-			.setTitle(R.string.remove_completed)
-			.setMessage(R.string.remove_completed_downloads_confirm)
-			.setIcon(R.drawable.ic_clear_all)
-			.setNegativeButton(android.R.string.cancel, null)
-			.setPositiveButton(R.string.clear) { _, _ ->
-				viewModel.removeCompleted()
-			}.show()
+		buildAlertDialog(context, isCentered = true) {
+			setTitle(R.string.remove_completed)
+			setMessage(R.string.remove_completed_downloads_confirm)
+			setIcon(R.drawable.ic_clear_all)
+			setNegativeButton(android.R.string.cancel, null)
+			setPositiveButton(R.string.clear) { _, _ -> viewModel.removeCompleted() }
+		}.show()
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadsViewModel.kt

@@ -143,7 +143,7 @@ class DownloadsViewModel @Inject constructor(
 		var isResumed = false
 		for (work in snapshot) {
 			if (work.workState == WorkInfo.State.RUNNING && work.isPaused) {
-				workScheduler.resume(work.id, skipError = false)
+				workScheduler.resume(work.id)
 				isResumed = true
 			}
 		}
@@ -156,7 +156,7 @@ class DownloadsViewModel @Inject constructor(
 		val snapshot = works.value ?: return
 		for (work in snapshot) {
 			if (work.id.mostSignificantBits in ids) {
-				workScheduler.resume(work.id, skipError = false)
+				workScheduler.resume(work.id)
 			}
 		}
 		onActionDone.call(ReversibleAction(R.string.downloads_resumed, null))
@@ -268,6 +268,7 @@ class DownloadsViewModel @Inject constructor(
 			max = DownloadState.getMax(workData),
 			progress = DownloadState.getProgress(workData),
 			eta = DownloadState.getEta(workData),
+			isStuck = DownloadState.isStuck(workData),
 			timestamp = DownloadState.getTimestamp(workData),
 			chaptersDownloaded = DownloadState.getDownloadedChapters(workData),
 			isExpanded = isExpanded,

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/DownloadNotificationFactory.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.download.ui.worker
 import android.app.Notification
 import android.app.PendingIntent
 import android.content.Context
+import android.content.Intent
 import android.graphics.drawable.Drawable
 import android.text.format.DateUtils
 import androidx.core.app.NotificationChannelCompat
@@ -21,8 +22,10 @@ import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ErrorReporterReceiver
 import org.koitharu.kotatsu.core.model.LocalMangaSource
 import org.koitharu.kotatsu.core.util.ext.getDrawableOrThrow
+import org.koitharu.kotatsu.core.util.ext.isReportable
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.download.domain.DownloadState
@@ -57,7 +60,7 @@ class DownloadNotificationFactory @AssistedInject constructor(
 	private val queueIntent = PendingIntentCompat.getActivity(
 		context,
 		0,
-		DownloadsActivity.newIntent(context),
+		Intent(context, DownloadsActivity::class.java),
 		0,
 		false,
 	)
@@ -82,7 +85,15 @@ class DownloadNotificationFactory @AssistedInject constructor(
 		NotificationCompat.Action(
 			R.drawable.ic_action_resume,
 			context.getString(R.string.resume),
-			PausingReceiver.createResumePendingIntent(context, uuid, skipError = false),
+			PausingReceiver.createResumePendingIntent(context, uuid),
+		)
+	}
+
+	private val actionRetry by lazy {
+		NotificationCompat.Action(
+			R.drawable.ic_retry,
+			context.getString(R.string.retry),
+			actionResume.actionIntent,
 		)
 	}
 
@@ -90,7 +101,7 @@ class DownloadNotificationFactory @AssistedInject constructor(
 		NotificationCompat.Action(
 			R.drawable.ic_action_skip,
 			context.getString(R.string.skip),
-			PausingReceiver.createResumePendingIntent(context, uuid, skipError = true),
+			PausingReceiver.createSkipPendingIntent(context, uuid),
 		)
 	}
 
@@ -160,8 +171,14 @@ class DownloadNotificationFactory @AssistedInject constructor(
 				} else {
 					null
 				}
-				if (state.error != null) {
-					builder.setContentText(context.getString(R.string.download_summary_pattern, percent, state.error))
+				if (state.errorMessage != null) {
+					builder.setContentText(
+						context.getString(
+							R.string.download_summary_pattern,
+							percent,
+							state.errorMessage,
+						),
+					)
 				} else {
 					builder.setContentText(percent)
 				}
@@ -170,9 +187,11 @@ class DownloadNotificationFactory @AssistedInject constructor(
 				builder.setOngoing(true)
 				builder.setSmallIcon(R.drawable.ic_stat_paused)
 				builder.addAction(actionCancel)
-				builder.addAction(actionResume)
-				if (state.error != null) {
+				if (state.errorMessage != null) {
+					builder.addAction(actionRetry)
 					builder.addAction(actionSkip)
+				} else {
+					builder.addAction(actionResume)
 				}
 			}
 
@@ -180,18 +199,27 @@ class DownloadNotificationFactory @AssistedInject constructor(
 				builder.setProgress(0, 0, false)
 				builder.setSmallIcon(android.R.drawable.stat_notify_error)
 				builder.setSubText(context.getString(R.string.error))
-				builder.setContentText(state.error)
+				builder.setContentText(state.errorMessage)
 				builder.setAutoCancel(true)
 				builder.setOngoing(false)
 				builder.setCategory(NotificationCompat.CATEGORY_ERROR)
 				builder.setShowWhen(true)
 				builder.setWhen(System.currentTimeMillis())
-				builder.setStyle(NotificationCompat.BigTextStyle().bigText(state.error))
+				builder.setStyle(NotificationCompat.BigTextStyle().bigText(state.errorMessage))
+				if (state.error.isReportable()) {
+					builder.addAction(
+						NotificationCompat.Action(
+							0,
+							context.getString(R.string.report),
+							ErrorReporterReceiver.getPendingIntent(context, state.error),
+						),
+					)
+				}
 			}
 
 			else -> {
 				builder.setProgress(state.max, state.progress, false)
-				builder.setContentText(getProgressString(state.percent, state.eta))
+				builder.setContentText(getProgressString(state.percent, state.eta, state.isStuck))
 				builder.setCategory(NotificationCompat.CATEGORY_PROGRESS)
 				builder.setStyle(null)
 				builder.setOngoing(true)
@@ -202,20 +230,20 @@ class DownloadNotificationFactory @AssistedInject constructor(
 		return builder.build()
 	}
 
-	private fun getProgressString(percent: Float, eta: Long): CharSequence? {
+	private fun getProgressString(percent: Float, eta: Long, isStuck: Boolean): CharSequence? {
 		val percentString = if (percent >= 0f) {
 			context.getString(R.string.percent_string_pattern, (percent * 100).format())
 		} else {
 			null
 		}
-		val etaString = if (eta > 0L) {
-			DateUtils.getRelativeTimeSpanString(
+		val etaString = when {
+			eta <= 0L -> null
+			isStuck -> context.getString(R.string.stuck)
+			else -> DateUtils.getRelativeTimeSpanString(
 				eta,
 				System.currentTimeMillis(),
 				DateUtils.SECOND_IN_MILLIS,
 			)
-		} else {
-			null
 		}
 		return when {
 			percentString == null && etaString == null -> null

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/DownloadStartedObserver.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.download.ui.worker
 
+import android.content.Intent
 import android.view.View
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.coroutines.flow.FlowCollector
@@ -18,7 +19,7 @@ class DownloadStartedObserver(
 			snackbar.anchorView = it.bottomNav
 		}
 		snackbar.setAction(R.string.details) {
-			it.context.startActivity(DownloadsActivity.newIntent(it.context))
+			it.context.startActivity(Intent(it.context, DownloadsActivity::class.java))
 		}
 		snackbar.show()
 	}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/DownloadWorker.kt

@@ -30,6 +30,7 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Semaphore
 import kotlinx.coroutines.sync.withPermit
@@ -41,7 +42,6 @@ import okio.buffer
 import okio.sink
 import okio.use
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
 import org.koitharu.kotatsu.core.model.ids
 import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.network.MangaHttpClient
@@ -62,8 +62,10 @@ import org.koitharu.kotatsu.core.util.ext.getWorkInputData
 import org.koitharu.kotatsu.core.util.ext.getWorkSpec
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import org.koitharu.kotatsu.core.util.ext.withTicker
 import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
-import org.koitharu.kotatsu.core.util.progress.TimeLeftEstimator
+import org.koitharu.kotatsu.core.util.progress.RealtimeEtaEstimator
+import org.koitharu.kotatsu.download.domain.DownloadProgress
 import org.koitharu.kotatsu.download.domain.DownloadState
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.local.data.LocalStorageChanges
@@ -71,7 +73,9 @@ import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.local.data.TempFileFilter
 import org.koitharu.kotatsu.local.data.input.LocalMangaInput
 import org.koitharu.kotatsu.local.data.output.LocalMangaOutput
+import org.koitharu.kotatsu.local.domain.MangaLock
 import org.koitharu.kotatsu.local.domain.model.LocalManga
+import org.koitharu.kotatsu.parsers.exception.TooManyRequestExceptions
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -91,6 +95,7 @@ class DownloadWorker @AssistedInject constructor(
 	@MangaHttpClient private val okHttp: OkHttpClient,
 	private val cache: PagesCache,
 	private val localMangaRepository: LocalMangaRepository,
+	private val mangaLock: MangaLock,
 	private val mangaDataRepository: MangaDataRepository,
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 	private val settings: AppSettings,
@@ -108,7 +113,7 @@ class DownloadWorker @AssistedInject constructor(
 	private val currentState: DownloadState
 		get() = checkNotNull(lastPublishedState)
 
-	private val timeLeftEstimator = TimeLeftEstimator()
+	private val etaEstimator = RealtimeEtaEstimator()
 	private val notificationThrottler = Throttler(400)
 
 	override suspend fun doWork(): Result {
@@ -130,17 +135,16 @@ class DownloadWorker @AssistedInject constructor(
 				notificationManager.notify(id.hashCode(), notification)
 			}
 			Result.failure(
-				currentState.copy(eta = -1L).toWorkData(),
+				currentState.copy(eta = -1L, isStuck = false).toWorkData(),
 			)
-		} catch (e: IOException) {
-			e.printStackTraceDebug()
-			Result.retry()
 		} catch (e: Exception) {
 			e.printStackTraceDebug()
 			Result.failure(
 				currentState.copy(
-					error = e.getDisplayMessage(applicationContext.resources),
+					error = e,
+					errorMessage = e.getDisplayMessage(applicationContext.resources),
 					eta = -1L,
+					isStuck = false,
 				).toWorkData(),
 			)
 		} finally {
@@ -169,7 +173,7 @@ class DownloadWorker @AssistedInject constructor(
 		var manga = subject
 		val chaptersToSkip = excludedIds.toMutableSet()
 		val pausingReceiver = PausingReceiver(id, PausingHandle.current())
-		withMangaLock(manga) {
+		mangaLock.withLock(manga) {
 			ContextCompat.registerReceiver(
 				applicationContext,
 				pausingReceiver,
@@ -229,15 +233,23 @@ class DownloadWorker @AssistedInject constructor(
 								}
 							}
 						}
-					}.collect {
+					}.map {
+						DownloadProgress(
+							totalChapters = chapters.size,
+							currentChapter = chapterIndex,
+							totalPages = pages.size,
+							currentPage = pageCounter.getAndIncrement(),
+						)
+					}.withTicker(2L, TimeUnit.SECONDS).collect { progress ->
 						publishState(
 							currentState.copy(
-								totalChapters = chapters.size,
-								currentChapter = chapterIndex,
-								totalPages = pages.size,
-								currentPage = pageCounter.incrementAndGet(),
+								totalChapters = progress.totalChapters,
+								currentChapter = progress.currentChapter,
+								totalPages = progress.totalPages,
+								currentPage = progress.currentPage,
 								isIndeterminate = false,
-								eta = timeLeftEstimator.getEta(),
+								eta = etaEstimator.getEta(),
+								isStuck = etaEstimator.isStuck(),
 							),
 						)
 					}
@@ -248,15 +260,20 @@ class DownloadWorker @AssistedInject constructor(
 					}
 					publishState(currentState.copy(downloadedChapters = currentState.downloadedChapters + 1))
 				}
-				publishState(currentState.copy(isIndeterminate = true, eta = -1L))
+				publishState(currentState.copy(isIndeterminate = true, eta = -1L, isStuck = false))
 				output.mergeWithExisting()
 				output.finish()
 				val localManga = LocalMangaInput.of(output.rootFile).getManga()
 				localStorageChanges.emit(localManga)
-				publishState(currentState.copy(localManga = localManga, eta = -1L))
+				publishState(currentState.copy(localManga = localManga, eta = -1L, isStuck = false))
 			} catch (e: Exception) {
 				if (e !is CancellationException) {
-					publishState(currentState.copy(error = e.getDisplayMessage(applicationContext.resources)))
+					publishState(
+						currentState.copy(
+							error = e,
+							errorMessage = e.getDisplayMessage(applicationContext.resources),
+						),
+					)
 				}
 				throw e
 			} finally {
@@ -281,12 +298,19 @@ class DownloadWorker @AssistedInject constructor(
 			try {
 				return block()
 			} catch (e: IOException) {
-				if (countDown <= 0) {
+				val retryDelay = if (e is TooManyRequestExceptions) {
+					e.getRetryDelay()
+				} else {
+					DOWNLOAD_ERROR_DELAY
+				}
+				if (countDown <= 0 || retryDelay < 0 || retryDelay > MAX_RETRY_DELAY) {
 					publishState(
 						currentState.copy(
 							isPaused = true,
-							error = e.getDisplayMessage(applicationContext.resources),
+							error = e,
+							errorMessage = e.getDisplayMessage(applicationContext.resources),
 							eta = -1L,
+							isStuck = false,
 						),
 					)
 					countDown = MAX_FAILSAFE_ATTEMPTS
@@ -298,15 +322,10 @@ class DownloadWorker @AssistedInject constructor(
 							return null
 						}
 					} finally {
-						publishState(currentState.copy(isPaused = false, error = null))
+						publishState(currentState.copy(isPaused = false, error = null, errorMessage = null))
 					}
 				} else {
 					countDown--
-					val retryDelay = if (e is TooManyRequestExceptions) {
-						e.retryAfter + DOWNLOAD_ERROR_DELAY
-					} else {
-						DOWNLOAD_ERROR_DELAY
-					}
 					delay(retryDelay)
 				}
 			}
@@ -316,7 +335,7 @@ class DownloadWorker @AssistedInject constructor(
 	private suspend fun checkIsPaused() {
 		val pausingHandle = PausingHandle.current()
 		if (pausingHandle.isPaused) {
-			publishState(currentState.copy(isPaused = true, eta = -1L))
+			publishState(currentState.copy(isPaused = true, eta = -1L, isStuck = false))
 			try {
 				pausingHandle.awaitResumed()
 			} finally {
@@ -354,9 +373,9 @@ class DownloadWorker @AssistedInject constructor(
 		val previousState = currentState
 		lastPublishedState = state
 		if (previousState.isParticularProgress && state.isParticularProgress) {
-			timeLeftEstimator.tick(state.progress, state.max)
+			etaEstimator.onProgressChanged(state.progress, state.max)
 		} else {
-			timeLeftEstimator.emptyTick()
+			etaEstimator.reset()
 			notificationThrottler.reset()
 		}
 		val notification = notificationFactory.create(state)
@@ -399,13 +418,6 @@ class DownloadWorker @AssistedInject constructor(
 		return result
 	}
 
-	private suspend inline fun <T> withMangaLock(manga: Manga, block: () -> T) = try {
-		localMangaRepository.lockManga(manga.id)
-		block()
-	} finally {
-		localMangaRepository.unlockManga(manga.id)
-	}
-
 	@Reusable
 	class Scheduler @Inject constructor(
 		@ApplicationContext private val context: Context,
@@ -458,15 +470,21 @@ class DownloadWorker @AssistedInject constructor(
 			workManager.cancelAllWorkByTag(TAG).await()
 		}
 
-		fun pause(id: UUID) {
-			val intent = PausingReceiver.getPauseIntent(context, id)
-			context.sendBroadcast(intent)
-		}
+		fun pause(id: UUID) = context.sendBroadcast(
+			PausingReceiver.getPauseIntent(context, id),
+		)
 
-		fun resume(id: UUID, skipError: Boolean) {
-			val intent = PausingReceiver.getResumeIntent(context, id, skipError)
-			context.sendBroadcast(intent)
-		}
+		fun resume(id: UUID) = context.sendBroadcast(
+			PausingReceiver.getResumeIntent(context, id),
+		)
+
+		fun skip(id: UUID) = context.sendBroadcast(
+			PausingReceiver.getSkipIntent(context, id),
+		)
+
+		fun skipAll(id: UUID) = context.sendBroadcast(
+			PausingReceiver.getSkipAllIntent(context, id),
+		)
 
 		suspend fun delete(id: UUID) {
 			workManager.deleteWork(id)
@@ -526,7 +544,8 @@ class DownloadWorker @AssistedInject constructor(
 
 		const val MAX_FAILSAFE_ATTEMPTS = 2
 		const val MAX_PAGES_PARALLELISM = 4
-		const val DOWNLOAD_ERROR_DELAY = 500L
+		const val DOWNLOAD_ERROR_DELAY = 2_000L
+		const val MAX_RETRY_DELAY = 7_200_000L // 2 hours
 		const val SLOWDOWN_DELAY = 200L
 		const val MANGA_ID = "manga_id"
 		const val CHAPTERS_IDS = "chapters"

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/PausingHandle.kt

@@ -10,7 +10,10 @@ import kotlin.coroutines.CoroutineContext
 class PausingHandle : AbstractCoroutineContextElement(PausingHandle) {
 
 	private val paused = MutableStateFlow(false)
-	private val isSkipError = MutableStateFlow(false)
+	private val skipError = MutableStateFlow(false)
+
+	@Volatile
+	private var skipAllErrors = false
 
 	@get:AnyThread
 	val isPaused: Boolean
@@ -27,18 +30,30 @@ class PausingHandle : AbstractCoroutineContextElement(PausingHandle) {
 	}
 
 	@AnyThread
-	fun resume(skipError: Boolean) {
-		isSkipError.value = skipError
+	fun resume() {
+		skipError.value = false
 		paused.value = false
 	}
 
+	@AnyThread
+	fun skip() {
+		skipError.value = true
+		paused.value = false
+	}
+
+	@AnyThread
+	fun skipAll() {
+		skipAllErrors = true
+		skip()
+	}
+
 	suspend fun yield() {
 		if (paused.value) {
 			paused.first { !it }
 		}
 	}
 
-	fun skipCurrentError(): Boolean = isSkipError.compareAndSet(expect = true, update = false)
+	fun skipCurrentError(): Boolean = skipError.compareAndSet(expect = true, update = skipAllErrors)
 
 	companion object : CoroutineContext.Key<PausingHandle> {
 

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/PausingReceiver.kt

@@ -21,8 +21,9 @@ class PausingReceiver(
 			return
 		}
 		when (intent.action) {
-			ACTION_RESUME -> pausingHandle.resume(skipError = false)
-			ACTION_SKIP -> pausingHandle.resume(skipError = true)
+			ACTION_RESUME -> pausingHandle.resume()
+			ACTION_SKIP -> pausingHandle.skip()
+			ACTION_SKIP_ALL -> pausingHandle.skipAll()
 			ACTION_PAUSE -> pausingHandle.pause()
 		}
 	}
@@ -32,6 +33,7 @@ class PausingReceiver(
 		private const val ACTION_PAUSE = "org.koitharu.kotatsu.download.PAUSE"
 		private const val ACTION_RESUME = "org.koitharu.kotatsu.download.RESUME"
 		private const val ACTION_SKIP = "org.koitharu.kotatsu.download.SKIP"
+		private const val ACTION_SKIP_ALL = "org.koitharu.kotatsu.download.SKIP_ALL"
 		private const val EXTRA_UUID = "uuid"
 		private const val SCHEME = "workuid"
 
@@ -39,20 +41,18 @@ class PausingReceiver(
 			addAction(ACTION_PAUSE)
 			addAction(ACTION_RESUME)
 			addAction(ACTION_SKIP)
+			addAction(ACTION_SKIP_ALL)
 			addDataScheme(SCHEME)
-			addDataPath(id.toString(), PatternMatcher.PATTERN_SIMPLE_GLOB)
+			addDataPath(id.toString(), PatternMatcher.PATTERN_LITERAL)
 		}
 
-		fun getPauseIntent(context: Context, id: UUID) = Intent(ACTION_PAUSE)
-			.setData(Uri.parse("$SCHEME://$id"))
-			.setPackage(context.packageName)
-			.putExtra(EXTRA_UUID, id.toString())
+		fun getPauseIntent(context: Context, id: UUID) = createIntent(context, id, ACTION_PAUSE)
 
-		fun getResumeIntent(context: Context, id: UUID, skipError: Boolean) = Intent(
-			if (skipError) ACTION_SKIP else ACTION_RESUME,
-		).setData(Uri.parse("$SCHEME://$id"))
-			.setPackage(context.packageName)
-			.putExtra(EXTRA_UUID, id.toString())
+		fun getResumeIntent(context: Context, id: UUID) = createIntent(context, id, ACTION_RESUME)
+
+		fun getSkipIntent(context: Context, id: UUID) = createIntent(context, id, ACTION_SKIP)
+
+		fun getSkipAllIntent(context: Context, id: UUID) = createIntent(context, id, ACTION_SKIP_ALL)
 
 		fun createPausePendingIntent(context: Context, id: UUID) = PendingIntentCompat.getBroadcast(
 			context,
@@ -62,13 +62,27 @@ class PausingReceiver(
 			false,
 		)
 
-		fun createResumePendingIntent(context: Context, id: UUID, skipError: Boolean) =
+		fun createResumePendingIntent(context: Context, id: UUID) =
 			PendingIntentCompat.getBroadcast(
 				context,
 				0,
-				getResumeIntent(context, id, skipError),
+				getResumeIntent(context, id),
 				0,
 				false,
 			)
+
+		fun createSkipPendingIntent(context: Context, id: UUID) =
+			PendingIntentCompat.getBroadcast(
+				context,
+				0,
+				getSkipIntent(context, id),
+				0,
+				false,
+			)
+
+		private fun createIntent(context: Context, id: UUID, action: String) = Intent(action)
+			.setData(Uri.parse("$SCHEME://$id"))
+			.setPackage(context.packageName)
+			.putExtra(EXTRA_UUID, id.toString())
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt

@@ -61,7 +61,13 @@ class MangaSourcesRepository @Inject constructor(
 	suspend fun getEnabledSources(): List<MangaSource> {
 		assimilateNewSources()
 		val order = settings.sourcesSortOrder
-		return dao.findAllEnabled(order).toSources(settings.isNsfwContentDisabled, order)
+		return dao.findAllEnabled(order).toSources(settings.isNsfwContentDisabled, order).let { enabled ->
+			val external = getExternalSources()
+			val list = ArrayList<MangaSourceInfo>(enabled.size + external.size)
+			external.mapTo(list) { MangaSourceInfo(it, isEnabled = true, isPinned = true) }
+			list.addAll(enabled)
+			list
+		}
 	}
 
 	suspend fun getPinnedSources(): Set<MangaSource> {
@@ -308,8 +314,6 @@ class MangaSourcesRepository @Inject constructor(
 	}
 
 	private fun observeExternalSources(): Flow<List<ExternalMangaSource>> {
-		val intent = Intent("app.kotatsu.parser.PROVIDE_MANGA")
-		val pm = context.packageManager
 		return callbackFlow {
 			val receiver = object : BroadcastReceiver() {
 				override fun onReceive(context: Context?, intent: Intent?) {
@@ -333,15 +337,19 @@ class MangaSourcesRepository @Inject constructor(
 		}.onStart {
 			emit(null)
 		}.map {
-			pm.queryIntentContentProviders(intent, 0).map { resolveInfo ->
-				ExternalMangaSource(
-					packageName = resolveInfo.providerInfo.packageName,
-					authority = resolveInfo.providerInfo.authority,
-				)
-			}
+			getExternalSources()
 		}.distinctUntilChanged()
 	}
 
+	private fun getExternalSources() = context.packageManager.queryIntentContentProviders(
+		Intent("app.kotatsu.parser.PROVIDE_MANGA"), 0,
+	).map { resolveInfo ->
+		ExternalMangaSource(
+			packageName = resolveInfo.providerInfo.packageName,
+			authority = resolveInfo.providerInfo.authority,
+		)
+	}
+
 	private fun List<MangaSourceEntity>.toSources(
 		skipNsfwSources: Boolean,
 		sortOrder: SourcesSortOrder?,

app/src/main/kotlin/org/koitharu/kotatsu/explore/ui/ExploreFragment.kt

@@ -56,7 +56,7 @@ class ExploreFragment :
 	BaseFragment<FragmentExploreBinding>(),
 	RecyclerViewOwner,
 	ExploreListEventListener,
-	OnListItemClickListener<MangaSourceItem>, ListSelectionController.Callback2 {
+	OnListItemClickListener<MangaSourceItem>, ListSelectionController.Callback {
 
 	@Inject
 	lateinit var coil: ImageLoader
@@ -129,7 +129,7 @@ class ExploreFragment :
 			R.id.button_local -> MangaListActivity.newIntent(v.context, LocalMangaSource)
 			R.id.button_bookmarks -> AllBookmarksActivity.newIntent(v.context)
 			R.id.button_more -> SuggestionsActivity.newIntent(v.context)
-			R.id.button_downloads -> DownloadsActivity.newIntent(v.context)
+			R.id.button_downloads -> Intent(v.context, DownloadsActivity::class.java)
 			R.id.button_random -> {
 				viewModel.openRandom()
 				return
@@ -257,6 +257,7 @@ class ExploreFragment :
 		val action = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
 			Intent.ACTION_DELETE
 		} else {
+			@Suppress("DEPRECATION")
 			Intent.ACTION_UNINSTALL_PACKAGE
 		}
 		context?.startActivity(Intent(action, uri))

app/src/main/kotlin/org/koitharu/kotatsu/favourites/data/FavouriteCategoriesDao.kt

@@ -4,6 +4,7 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.RoomWarnings
 import androidx.room.Upsert
 import kotlinx.coroutines.flow.Flow
 
@@ -51,6 +52,10 @@ abstract class FavouriteCategoriesDao {
 	@Query("SELECT MAX(sort_key) FROM favourite_categories WHERE deleted_at = 0")
 	protected abstract suspend fun getMaxSortKey(): Int?
 
+	@SuppressWarnings(RoomWarnings.CURSOR_MISMATCH) // for the new_chapters column
+	@Query("SELECT favourite_categories.*, (SELECT SUM(chapters_new) FROM tracks WHERE tracks.manga_id IN (SELECT manga_id FROM favourites WHERE favourites.category_id = favourite_categories.category_id)) AS new_chapters FROM favourite_categories WHERE track = 1 AND show_in_lib = 1 AND deleted_at = 0 AND new_chapters > 0 ORDER BY new_chapters DESC LIMIT :limit")
+	abstract suspend fun getMostUpdatedCategories(limit: Int): List<FavouriteCategoryEntity>
+
 	suspend fun getNextSortKey(): Int {
 		return (getMaxSortKey() ?: 0) + 1
 	}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/data/FavouritesDao.kt

@@ -11,11 +11,15 @@ 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.MangaQueryBuilder
+import org.koitharu.kotatsu.core.db.TABLE_FAVOURITES
 import org.koitharu.kotatsu.favourites.domain.model.Cover
+import org.koitharu.kotatsu.list.domain.ListFilterOption
 import org.koitharu.kotatsu.list.domain.ListSortOrder
+import org.koitharu.kotatsu.list.domain.ReadingProgress.Companion.PROGRESS_COMPLETED
 
 @Dao
-abstract class FavouritesDao {
+abstract class FavouritesDao : MangaQueryBuilder.ConditionCallback {
 
 	/** SELECT **/
 
@@ -27,27 +31,17 @@ abstract class FavouritesDao {
 	@Query("SELECT * FROM favourites WHERE deleted_at = 0 GROUP BY manga_id ORDER BY created_at DESC LIMIT :limit")
 	abstract suspend fun findLast(limit: Int): List<FavouriteManga>
 
-	fun observeAll(order: ListSortOrder, limit: Int): Flow<List<FavouriteManga>> {
-		val orderBy = getOrderBy(order)
-		val query = buildString {
-			append(
-				"SELECT * FROM favourites LEFT JOIN manga ON favourites.manga_id = manga.manga_id " +
-					"WHERE favourites.deleted_at = 0 GROUP BY favourites.manga_id ORDER BY ",
-			)
-			append(orderBy)
-			if (limit > 0) {
-				append(" LIMIT ")
-				append(limit)
-			}
-		}
-		return observeAllImpl(SimpleSQLiteQuery(query))
-	}
+	fun observeAll(
+		order: ListSortOrder,
+		filterOptions: Set<ListFilterOption>,
+		limit: Int
+	): Flow<List<FavouriteManga>> = observeAll(0L, order, filterOptions, limit)
 
 	@Transaction
 	@Query("SELECT * FROM favourites WHERE deleted_at = 0 ORDER BY created_at DESC LIMIT :limit OFFSET :offset")
 	abstract suspend fun findAllRaw(offset: Int, limit: Int): List<FavouriteManga>
 
-	@Query("SELECT DISTINCT manga_id FROM favourites WHERE deleted_at = 0 AND category_id IN (SELECT category_id FROM favourite_categories WHERE track = 1)")
+	@Query("SELECT DISTINCT manga_id FROM favourites WHERE deleted_at = 0 AND category_id IN (SELECT category_id FROM favourite_categories WHERE track = 1 AND deleted_at = 0)")
 	abstract suspend fun findIdsWithTrack(): LongArray
 
 	@Transaction
@@ -57,22 +51,28 @@ abstract class FavouritesDao {
 	)
 	abstract suspend fun findAll(categoryId: Long): List<FavouriteManga>
 
-	fun observeAll(categoryId: Long, order: ListSortOrder, limit: Int): Flow<List<FavouriteManga>> {
-		val orderBy = getOrderBy(order)
-		val query = buildString {
-			append(
-				"SELECT * FROM favourites LEFT JOIN manga ON favourites.manga_id = manga.manga_id " +
-					"WHERE category_id = ? AND deleted_at = 0 GROUP BY favourites.manga_id ORDER BY ",
+	fun observeAll(
+		categoryId: Long,
+		order: ListSortOrder,
+		filterOptions: Set<ListFilterOption>,
+		limit: Int
+	): Flow<List<FavouriteManga>> = observeAllImpl(
+		MangaQueryBuilder(TABLE_FAVOURITES, this)
+			.join("LEFT JOIN manga ON favourites.manga_id = manga.manga_id")
+			.where("deleted_at = 0")
+			.where(
+				if (categoryId != 0L) {
+					"category_id = $categoryId"
+				} else {
+					"(SELECT show_in_lib FROM favourite_categories WHERE favourite_categories.category_id = favourites.category_id) = 1"
+				},
 			)
-			append(orderBy)
-			if (limit > 0) {
-				append(" LIMIT ")
-				append(limit)
-			}
-		}
-
-		return observeAllImpl(SimpleSQLiteQuery(query, arrayOf<Any>(categoryId)))
-	}
+			.filters(filterOptions)
+			.groupBy("favourites.manga_id")
+			.orderBy(getOrderBy(order))
+			.limit(limit)
+			.build(),
+	)
 
 	suspend fun findCovers(categoryId: Long, order: ListSortOrder): List<Cover> {
 		val orderBy = getOrderBy(order)
@@ -94,7 +94,9 @@ abstract class FavouritesDao {
 		val query = SimpleSQLiteQuery(
 			"SELECT manga.cover_url AS url, manga.source AS source FROM favourites " +
 				"LEFT JOIN manga ON favourites.manga_id = manga.manga_id " +
-				"WHERE deleted_at = 0 GROUP BY manga.manga_id ORDER BY $orderBy LIMIT ?",
+				"WHERE deleted_at = 0 AND " +
+				"(SELECT show_in_lib FROM favourite_categories WHERE favourite_categories.category_id = favourites.category_id) = 1 " +
+				"GROUP BY manga.manga_id ORDER BY $orderBy LIMIT ?",
 			arrayOf<Any>(limit),
 		)
 		return findCoversImpl(query)
@@ -112,8 +114,8 @@ abstract class FavouritesDao {
 	@Query("SELECT favourite_categories.* FROM favourites LEFT JOIN favourite_categories ON favourite_categories.category_id = favourites.category_id WHERE favourites.manga_id = :mangaId AND favourites.deleted_at = 0")
 	abstract fun observeCategories(mangaId: Long): Flow<List<FavouriteCategoryEntity>>
 
-	@Query("SELECT DISTINCT category_id FROM favourites WHERE manga_id IN (:mangaIds) AND deleted_at = 0 ORDER BY favourites.created_at ASC")
-	abstract suspend fun findCategoriesIds(mangaIds: Collection<Long>): List<Long>
+	@Query("SELECT DISTINCT category_id FROM favourites WHERE manga_id = :mangaId AND deleted_at = 0 ORDER BY favourites.created_at ASC")
+	abstract suspend fun findCategoriesIds(mangaId: Long): List<Long>
 
 	@Query("SELECT COUNT(category_id) FROM favourites WHERE manga_id = :mangaId AND deleted_at = 0")
 	abstract suspend fun findCategoriesCount(mangaId: Long): Int
@@ -191,4 +193,12 @@ abstract class FavouritesDao {
 
 		else -> throw IllegalArgumentException("Sort order $sortOrder is not supported")
 	}
+
+	override fun getCondition(option: ListFilterOption): String? = when (option) {
+		ListFilterOption.Macro.COMPLETED -> "EXISTS(SELECT * FROM history WHERE history.manga_id = favourites.manga_id AND history.percent >= $PROGRESS_COMPLETED)"
+		ListFilterOption.Macro.NEW_CHAPTERS -> "(SELECT chapters_new FROM tracks WHERE tracks.manga_id = favourites.manga_id) > 0"
+		ListFilterOption.Macro.NSFW -> "manga.nsfw = 1"
+		is ListFilterOption.Tag -> "EXISTS(SELECT * FROM manga_tags WHERE favourites.manga_id = manga_tags.manga_id AND tag_id = ${option.tagId})"
+		else -> null
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/FavoritesListQuickFilter.kt

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.favourites.domain
+
+import org.koitharu.kotatsu.core.os.NetworkState
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.list.domain.ListFilterOption
+import org.koitharu.kotatsu.list.domain.MangaListQuickFilter
+import javax.inject.Inject
+
+class FavoritesListQuickFilter @Inject constructor(
+	private val settings: AppSettings,
+	private val repository: FavouritesRepository,
+	networkState: NetworkState,
+) : MangaListQuickFilter(settings) {
+
+	init {
+		setFilterOption(ListFilterOption.Downloaded, !networkState.value)
+	}
+
+	override suspend fun getAvailableFilterOptions(): List<ListFilterOption> = buildList {
+		add(ListFilterOption.Downloaded)
+		if (settings.isTrackerEnabled) {
+			add(ListFilterOption.Macro.NEW_CHAPTERS)
+		}
+		add(ListFilterOption.Macro.COMPLETED)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/FavouritesRepository.kt

@@ -19,6 +19,7 @@ import org.koitharu.kotatsu.favourites.data.toFavouriteCategory
 import org.koitharu.kotatsu.favourites.data.toManga
 import org.koitharu.kotatsu.favourites.data.toMangaList
 import org.koitharu.kotatsu.favourites.domain.model.Cover
+import org.koitharu.kotatsu.list.domain.ListFilterOption
 import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.Manga
 import javax.inject.Inject
@@ -38,8 +39,8 @@ class FavouritesRepository @Inject constructor(
 		return entities.toMangaList()
 	}
 
-	fun observeAll(order: ListSortOrder, limit: Int): Flow<List<Manga>> {
-		return db.getFavouritesDao().observeAll(order, limit)
+	fun observeAll(order: ListSortOrder, filterOptions: Set<ListFilterOption>, limit: Int): Flow<List<Manga>> {
+		return db.getFavouritesDao().observeAll(order, filterOptions, limit)
 			.mapItems { it.toManga() }
 	}
 
@@ -48,14 +49,19 @@ class FavouritesRepository @Inject constructor(
 		return entities.toMangaList()
 	}
 
-	fun observeAll(categoryId: Long, order: ListSortOrder, limit: Int): Flow<List<Manga>> {
-		return db.getFavouritesDao().observeAll(categoryId, order, limit)
+	fun observeAll(
+		categoryId: Long,
+		order: ListSortOrder,
+		filterOptions: Set<ListFilterOption>,
+		limit: Int
+	): Flow<List<Manga>> {
+		return db.getFavouritesDao().observeAll(categoryId, order, filterOptions, limit)
 			.mapItems { it.toManga() }
 	}
 
-	fun observeAll(categoryId: Long, limit: Int): Flow<List<Manga>> {
+	fun observeAll(categoryId: Long, filterOptions: Set<ListFilterOption>, limit: Int): Flow<List<Manga>> {
 		return observeOrder(categoryId)
-			.flatMapLatest { order -> observeAll(categoryId, order, limit) }
+			.flatMapLatest { order -> observeAll(categoryId, order, filterOptions, limit) }
 	}
 
 	fun observeMangaCount(): Flow<Int> {
@@ -119,8 +125,8 @@ class FavouritesRepository @Inject constructor(
 		return db.getFavouritesDao().findCategoriesCount(mangaId) != 0
 	}
 
-	suspend fun getCategoriesIds(mangaIds: Collection<Long>): Set<Long> {
-		return db.getFavouritesDao().findCategoriesIds(mangaIds).toSet()
+	suspend fun getCategoriesIds(mangaId: Long): Set<Long> {
+		return db.getFavouritesDao().findCategoriesIds(mangaId).toSet()
 	}
 
 	suspend fun createCategory(
@@ -227,6 +233,12 @@ class FavouritesRepository @Inject constructor(
 			.distinctUntilChanged()
 	}
 
+	suspend fun getMostUpdatedCategories(limit: Int): List<FavouriteCategory> {
+		return db.getFavouriteCategoriesDao().getMostUpdatedCategories(limit).map {
+			it.toFavouriteCategory()
+		}
+	}
+
 	private suspend fun recoverToFavourites(ids: Collection<Long>) {
 		db.withTransaction {
 			for (id in ids) {