Fix crashes

(cherry picked from commit 1d32f53bdd)

.editorconfig

@@ -4,7 +4,7 @@ root = true
 charset = utf-8
 end_of_line = lf
 indent_size = 4
-indent_style = tab
+indent_style = space
 insert_final_newline = true
 max_line_length = 120
 tab_width = 4

.github/workflows/trigger-site-deploy.yml

@@ -0,0 +1,16 @@
+name: Trigger Site Update
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  trigger-site:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send repository_dispatch to site-repo
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ secrets.SITE_REPO_TOKEN }}
+          repository: KotatsuApp/website
+          event-type: app-release

.gitignore

@@ -6,6 +6,7 @@
 /.idea/dictionaries
 /.idea/modules.xml
 /.idea/misc.xml
+/.idea/markdown.xml
 /.idea/discord.xml
 /.idea/compiler.xml
 /.idea/workspace.xml
@@ -26,4 +27,4 @@
 .cxx
 /.idea/deviceManager.xml
 /.kotlin/
-/.idea/AndroidProjectSystem.xml
+/.idea/AndroidProjectSystem.xml

.idea/.gitignore

@@ -3,3 +3,5 @@
 /workspace.xml
 /migrations.xml
 /runConfigurations.xml
+/appInsightsSettings.xml
+/kotlinCodeInsightSettings.xml

.idea/appInsightsSettings.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AppInsightsSettings">
+    <option name="tabSettings">
+      <map>
+        <entry key="Firebase Crashlytics">
+          <value>
+            <InsightsFilterSettings>
+              <option name="connection">
+                <ConnectionSetting>
+                  <option name="appId" value="PLACEHOLDER" />
+                  <option name="mobileSdkAppId" value="" />
+                  <option name="projectId" value="" />
+                  <option name="projectNumber" value="" />
+                </ConnectionSetting>
+              </option>
+              <option name="signal" value="SIGNAL_UNSPECIFIED" />
+              <option name="timeIntervalDays" value="THIRTY_DAYS" />
+              <option name="visibilityType" value="ALL" />
+            </InsightsFilterSettings>
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>

.idea/codeStyles/Project.xml

@@ -1,9 +1,7 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
     <option name="OTHER_INDENT_OPTIONS">
-      <value>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </value>
+      <value />
     </option>
     <AndroidXmlCodeStyleSettings>
       <option name="LAYOUT_SETTINGS">
@@ -22,40 +20,46 @@
         </value>
       </option>
     </AndroidXmlCodeStyleSettings>
+    <JavaCodeStyleSettings>
+      <option name="IMPORT_LAYOUT_TABLE">
+        <value>
+          <package name="android" withSubpackages="true" static="true" />
+          <package name="androidx" withSubpackages="true" static="true" />
+          <package name="com" withSubpackages="true" static="true" />
+          <package name="junit" withSubpackages="true" static="true" />
+          <package name="net" withSubpackages="true" static="true" />
+          <package name="org" withSubpackages="true" static="true" />
+          <package name="java" withSubpackages="true" static="true" />
+          <package name="javax" withSubpackages="true" static="true" />
+          <package name="" withSubpackages="true" static="true" />
+          <emptyLine />
+          <package name="android" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="androidx" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="com" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="junit" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="net" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="org" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="java" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="javax" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="" withSubpackages="true" static="false" />
+          <emptyLine />
+        </value>
+      </option>
+    </JavaCodeStyleSettings>
     <JetCodeStyleSettings>
       <option name="ALLOW_TRAILING_COMMA" value="true" />
+      <option name="ALLOW_TRAILING_COMMA_COLLECTION_LITERAL_EXPRESSION" value="true" />
+      <option name="ALLOW_TRAILING_COMMA_VALUE_ARGUMENT_LIST" value="true" />
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
-    <codeStyleSettings language="CMake">
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="Groovy">
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="HTML">
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="JAVA">
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="JSON">
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
-    <codeStyleSettings language="ObjectiveC">
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
     <codeStyleSettings language="Shell Script">
       <indentOptions>
         <option name="USE_TAB_CHARACTER" value="true" />
@@ -64,7 +68,6 @@
     <codeStyleSettings language="XML">
       <indentOptions>
         <option name="CONTINUATION_INDENT_SIZE" value="4" />
-        <option name="USE_TAB_CHARACTER" value="true" />
       </indentOptions>
       <arrangement>
         <rules>
@@ -179,9 +182,6 @@
       <option name="LINE_COMMENT_AT_FIRST_COLUMN" value="false" />
       <option name="BLOCK_COMMENT_AT_FIRST_COLUMN" value="false" />
       <option name="LINE_COMMENT_ADD_SPACE" value="true" />
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
     </codeStyleSettings>
   </code_scheme>
 </component>

.idea/gradle.xml

@@ -6,7 +6,7 @@
       <GradleProjectSettings>
         <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="jbr-21" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
@@ -16,4 +16,4 @@
       </GradleProjectSettings>
     </option>
   </component>
-</project>
+</project>

.idea/vcs.xml

@@ -10,6 +10,6 @@
     </option>
   </component>
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>

README.md

@@ -8,7 +8,7 @@
 
 **[Kotatsu](https://github.com/KotatsuApp/Kotatsu) is a free and open-source manga reader for Android with built-in online content sources.**
 
-![Downloads count](https://img.shields.io/github/downloads/KotatsuApp/Kotatsu/total?color=1976d2) ![Latest Stable version](https://img.shields.io/github/v/release/KotatsuApp/Kotatsu?color=2596be&label=latest) ![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) [![Sources count](https://img.shields.io/badge/dynamic/yaml?url=https%3A%2F%2Fraw.githubusercontent.com%2FKotatsuApp%2Fkotatsu-parsers%2Frefs%2Fheads%2Fmaster%2F.github%2Fsummary.yaml&query=total&label=manga%20sources&color=%23E9321C)](https://github.com/KotatsuApp/kotatsu-parsers) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5) [![Telegram](https://img.shields.io/badge/chat-telegram-60ACFF?)](https://t.me/kotatsuapp) [![License](https://img.shields.io/github/license/KotatsuApp/Kotatsu)](https://github.com/KotatsuApp/Kotatsu/blob/devel/LICENSE)
+![Downloads count](https://img.shields.io/github/downloads/KotatsuApp/Kotatsu/total?color=1976d2) ![Latest Stable version](https://img.shields.io/github/v/release/KotatsuApp/Kotatsu?color=2596be&label=latest) ![Android 6.0](https://img.shields.io/badge/android-6.0+-brightgreen) [![Sources count](https://img.shields.io/badge/dynamic/yaml?url=https%3A%2F%2Fraw.githubusercontent.com%2FKotatsuApp%2Fkotatsu-parsers%2Frefs%2Fheads%2Fmaster%2F.github%2Fsummary.yaml&query=total&label=manga%20sources&color=%23E9321C)](https://github.com/KotatsuApp/kotatsu-parsers) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5) [![Telegram](https://img.shields.io/badge/chat-telegram-60ACFF?)](https://t.me/kotatsuapp) [![License](https://img.shields.io/github/license/KotatsuApp/Kotatsu)](https://github.com/KotatsuApp/Kotatsu/blob/devel/LICENSE)
 
 ### Download
 
@@ -35,7 +35,7 @@
 * Integration with manga tracking services: Shikimori, AniList, MyAnimeList, Kitsu
 * Password / fingerprint-protected access to the app
 * Automatically sync app data with other devices on the same account
-* Support for older devices running Android 5.0+
+* Support for older devices running Android 6.0+
 
 </div>
 
@@ -112,6 +112,6 @@ You may copy, distribute and modify the software as long as you track changes/da
 
 <div align="left">
 
-The developers of this application do not have any affiliation with the content available in the app. It collects content from sources that are freely available through any web browser.
+The developers of this application do not have any affiliation with the content available in the app and does not store or distribute any content. This application should be considered a web browser, all content that can be found using this application is freely available on the Internet. All DMCA takedown requests should be sent to the owners of the website where the content is hosted.
 
 </div>

app/build.gradle

@@ -8,19 +8,21 @@ plugins {
 	id 'dagger.hilt.android.plugin'
 	id 'androidx.room'
 	id 'org.jetbrains.kotlin.plugin.serialization'
+	// enable if needed
+	// id 'dev.reformator.stacktracedecoroutinator'
 }
 
 android {
-	compileSdk = 35
+	compileSdk = 36
 	buildToolsVersion = '35.0.0'
 	namespace = 'org.koitharu.kotatsu'
 
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
-		minSdk = 21
-		targetSdk = 35
-		versionCode = 1021
-		versionName = '9.0-b1'
+		minSdk = 23
+		targetSdk = 36
+		versionCode = 1033
+		versionName = '9.4.1'
 		generatedDensities = []
 		testInstrumentationRunner 'org.koitharu.kotatsu.HiltTestRunner'
 		ksp {
@@ -30,6 +32,12 @@ android {
 			// https://issuetracker.google.com/issues/408030127
 			generateLocaleConfig false
 		}
+		def localProperties = new Properties()
+		def localPropertiesFile = rootProject.file('local.properties')
+		if (localPropertiesFile.exists()) {
+			localProperties.load(new FileInputStream(localPropertiesFile))
+		}
+		resValue 'string', 'tg_backup_bot_token', localProperties.getProperty('tg_backup_bot_token', '')
 	}
 	buildTypes {
 		debug {
@@ -79,6 +87,7 @@ android {
 			'-opt-in=coil3.annotation.InternalCoilApi',
 			'-opt-in=kotlinx.serialization.ExperimentalSerializationApi',
 			'-Xjspecify-annotations=strict',
+			'-Xannotation-default-target=first-only',
 			'-Xtype-enhancement-improvements-strict-mode'
 		]
 	}
@@ -172,6 +181,7 @@ dependencies {
 	implementation libs.ssiv
 	implementation libs.disk.lru.cache
 	implementation libs.markwon
+	implementation libs.kizzyrpc
 
 	implementation libs.acra.http
 	implementation libs.acra.dialog
@@ -179,6 +189,7 @@ dependencies {
 	implementation libs.conscrypt.android
 
 	debugImplementation libs.leakcanary.android
+	nightlyImplementation libs.leakcanary.android
 	debugImplementation libs.workinspector
 
 	testImplementation libs.junit

app/proguard-rules.pro

@@ -8,8 +8,7 @@
 	public static void checkParameterIsNotNull(...);
 	public static void checkNotNullParameter(...);
 }
--keep public class ** extends org.koitharu.kotatsu.core.ui.BaseFragment
--keep class org.koitharu.kotatsu.core.db.entity.* { *; }
+
 -dontwarn okhttp3.internal.platform.**
 -dontwarn org.conscrypt.**
 -dontwarn org.bouncycastle.**
@@ -17,8 +16,10 @@
 -dontwarn com.google.j2objc.annotations.**
 -dontwarn coil3.PlatformContext
 
--keep class org.koitharu.kotatsu.core.exceptions.* { *; }
 -keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment
+-keep class org.koitharu.kotatsu.settings.about.changelog.ChangelogFragment
+
+-keep class org.koitharu.kotatsu.core.exceptions.* { *; }
 -keep class org.koitharu.kotatsu.core.prefs.ScreenshotsPolicy { *; }
 -keep class org.koitharu.kotatsu.backups.ui.periodical.PeriodicalBackupSettingsFragment { *; }
 -keep class org.jsoup.parser.Tag

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

@@ -41,8 +41,8 @@ class KotatsuApp : BaseApp() {
 				detectNetwork()
 				detectDiskWrites()
 				detectCustomSlowCalls()
+				detectResourceMismatches()
 				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) detectUnbufferedIo()
-				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) detectResourceMismatches()
 				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) detectExplicitGc()
 				penaltyLog()
 				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && notifier != null) {
@@ -56,7 +56,9 @@ class KotatsuApp : BaseApp() {
 				detectLeakedSqlLiteObjects()
 				detectLeakedClosableObjects()
 				detectLeakedRegistrationObjects()
-				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) detectContentUriWithoutPermission()
+				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+					detectContentUriWithoutPermission()
+				}
 				detectFileUriExposure()
 				penaltyLog()
 				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && notifier != null) {

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

@@ -0,0 +1,57 @@
+package org.koitharu.kotatsu.core.parser
+
+import org.koitharu.kotatsu.core.cache.MemoryContentCache
+import org.koitharu.kotatsu.core.model.TestMangaSource
+import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaListFilter
+import org.koitharu.kotatsu.parsers.model.MangaListFilterCapabilities
+import org.koitharu.kotatsu.parsers.model.MangaListFilterOptions
+import org.koitharu.kotatsu.parsers.model.MangaPage
+import org.koitharu.kotatsu.parsers.model.SortOrder
+import java.util.EnumSet
+
+/*
+ This class is for parser development and testing purposes
+ You can open it in the app via Settings -> Debug
+ */
+class TestMangaRepository(
+	@Suppress("unused") private val loaderContext: MangaLoaderContext,
+	cache: MemoryContentCache
+) : CachingMangaRepository(cache) {
+
+	override val source = TestMangaSource
+
+	override val sortOrders: Set<SortOrder> = EnumSet.allOf(SortOrder::class.java)
+
+	override var defaultSortOrder: SortOrder
+		get() = sortOrders.first()
+		set(value) = Unit
+
+	override val filterCapabilities = MangaListFilterCapabilities()
+
+	override suspend fun getFilterOptions() = MangaListFilterOptions()
+
+	override suspend fun getList(
+		offset: Int,
+		order: SortOrder?,
+		filter: MangaListFilter?
+	): List<Manga> = TODO("Get manga list by filter")
+
+	override suspend fun getDetailsImpl(
+		manga: Manga
+	): Manga = TODO("Fetch manga details")
+
+	override suspend fun getPagesImpl(
+		chapter: MangaChapter
+	): List<MangaPage> = TODO("Get pages for specific chapter")
+
+	override suspend fun getPageUrl(
+		page: MangaPage
+	): String = TODO("Return direct url of page image or page.url if it is already a direct url")
+
+	override suspend fun getRelatedMangaImpl(
+		seed: Manga
+	): List<Manga> = TODO("Get list of related manga. This method is optional and parser library has a default implementation")
+}

app/src/debug/kotlin/org/koitharu/kotatsu/settings/DebugSettingsFragment.kt

@@ -0,0 +1,72 @@
+package org.koitharu.kotatsu.settings
+
+import android.os.Bundle
+import androidx.preference.Preference
+import leakcanary.LeakCanary
+import org.koitharu.kotatsu.KotatsuApp
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.TestMangaSource
+import org.koitharu.kotatsu.core.nav.router
+import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
+import org.koitharu.kotatsu.settings.utils.SplitSwitchPreference
+import org.koitharu.workinspector.WorkInspector
+
+class DebugSettingsFragment : BasePreferenceFragment(R.string.debug), Preference.OnPreferenceChangeListener,
+	Preference.OnPreferenceClickListener {
+
+	private val application
+		get() = requireContext().applicationContext as KotatsuApp
+
+	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+		addPreferencesFromResource(R.xml.pref_debug)
+		findPreference<SplitSwitchPreference>(KEY_LEAK_CANARY)?.let { pref ->
+			pref.isChecked = application.isLeakCanaryEnabled
+			pref.onPreferenceChangeListener = this
+			pref.onContainerClickListener = this
+		}
+	}
+
+	override fun onResume() {
+		super.onResume()
+		findPreference<SplitSwitchPreference>(KEY_LEAK_CANARY)?.isChecked = application.isLeakCanaryEnabled
+	}
+
+	override fun onPreferenceTreeClick(preference: Preference): Boolean = when (preference.key) {
+		KEY_WORK_INSPECTOR -> {
+			startActivity(WorkInspector.getIntent(preference.context))
+			true
+		}
+
+		KEY_TEST_PARSER -> {
+			router.openList(TestMangaSource, null, null)
+			true
+		}
+
+		else -> super.onPreferenceTreeClick(preference)
+	}
+
+	override fun onPreferenceClick(preference: Preference): Boolean = when (preference.key) {
+		KEY_LEAK_CANARY -> {
+			startActivity(LeakCanary.newLeakDisplayActivityIntent())
+			true
+		}
+
+		else -> super.onPreferenceTreeClick(preference)
+	}
+
+	override fun onPreferenceChange(preference: Preference, newValue: Any?): Boolean = when (preference.key) {
+		KEY_LEAK_CANARY -> {
+			application.isLeakCanaryEnabled = newValue as Boolean
+			true
+		}
+
+		else -> false
+	}
+
+	private companion object {
+
+		const val KEY_LEAK_CANARY = "leak_canary"
+		const val KEY_WORK_INSPECTOR = "work_inspector"
+		const val KEY_TEST_PARSER = "test_parser"
+	}
+}

app/src/debug/kotlin/org/koitharu/kotatsu/settings/SettingsMenuProvider.kt

@@ -1,58 +0,0 @@
-package org.koitharu.kotatsu.settings
-
-import android.content.Context
-import android.view.Menu
-import android.view.MenuInflater
-import android.view.MenuItem
-import androidx.core.view.MenuProvider
-import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-import leakcanary.LeakCanary
-import org.koitharu.kotatsu.KotatsuApp
-import org.koitharu.kotatsu.R
-import org.koitharu.workinspector.WorkInspector
-
-class SettingsMenuProvider(
-	private val context: Context,
-) : MenuProvider {
-
-	private val application: KotatsuApp
-		get() = context.applicationContext as KotatsuApp
-
-	override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
-		menuInflater.inflate(R.menu.opt_settings, menu)
-	}
-
-	override fun onPrepareMenu(menu: Menu) {
-		super.onPrepareMenu(menu)
-		menu.findItem(R.id.action_leakcanary).isChecked = application.isLeakCanaryEnabled
-		menu.findItem(R.id.action_ssiv_debug).isChecked = SubsamplingScaleImageView.isDebug
-	}
-
-	override fun onMenuItemSelected(menuItem: MenuItem): Boolean = when (menuItem.itemId) {
-		R.id.action_leaks -> {
-			context.startActivity(LeakCanary.newLeakDisplayActivityIntent())
-			true
-		}
-
-		R.id.action_works -> {
-			context.startActivity(WorkInspector.getIntent(context))
-			true
-		}
-
-		R.id.action_leakcanary -> {
-			val checked = !menuItem.isChecked
-			menuItem.isChecked = checked
-			application.isLeakCanaryEnabled = checked
-			true
-		}
-
-		R.id.action_ssiv_debug -> {
-			val checked = !menuItem.isChecked
-			menuItem.isChecked = checked
-			SubsamplingScaleImageView.isDebug = checked
-			true
-		}
-
-		else -> false
-	}
-}

app/src/debug/res/drawable/ic_debug.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?attr/colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000"
+		android:pathData="M20,8H17.19C16.74,7.2 16.12,6.5 15.37,6L17,4.41L15.59,3L13.42,5.17C12.96,5.06 12.5,5 12,5C11.5,5 11.05,5.06 10.59,5.17L8.41,3L7,4.41L8.62,6C7.87,6.5 7.26,7.21 6.81,8H4V10H6.09C6.03,10.33 6,10.66 6,11V12H4V14H6V15C6,15.34 6.03,15.67 6.09,16H4V18H6.81C8.47,20.87 12.14,21.84 15,20.18C15.91,19.66 16.67,18.9 17.19,18H20V16H17.91C17.97,15.67 18,15.34 18,15V14H20V12H18V11C18,10.66 17.97,10.33 17.91,10H20V8M16,15A4,4 0 0,1 12,19A4,4 0 0,1 8,15V11A4,4 0 0,1 12,7A4,4 0 0,1 16,11V15M14,10V12H10V10H14M10,14H14V16H10V14Z" />
+</vector>

app/src/debug/res/menu/opt_settings.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:app="http://schemas.android.com/apk/res-auto"
-	xmlns:tools="http://schemas.android.com/tools">
-
-	<item
-		android:id="@+id/action_ssiv_debug"
-		android:checkable="true"
-		android:title="SSIV debug"
-		app:showAsAction="never"
-		tools:ignore="HardcodedText" />
-	<item
-		android:id="@+id/action_leakcanary"
-		android:checkable="true"
-		android:title="LeakCanary"
-		app:showAsAction="never"
-		tools:ignore="HardcodedText" />
-
-	<item
-		android:id="@+id/action_leaks"
-		android:title="@string/leak_canary_display_activity_label"
-		app:showAsAction="never" />
-
-	<item
-		android:id="@+id/action_works"
-		android:title="@string/wi_lib_name"
-		app:showAsAction="never" />
-
-</menu>

app/src/debug/res/xml/pref_debug.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<org.koitharu.kotatsu.settings.utils.SplitSwitchPreference
+		android:key="leak_canary"
+		android:persistent="false"
+		android:title="LeakCanary" />
+
+	<Preference
+		android:key="work_inspector"
+		android:persistent="false"
+		android:title="@string/wi_lib_name" />
+
+	<Preference
+		android:key="test_parser"
+		android:persistent="false"
+		android:title="@string/test_parser"
+		app:allowDividerAbove="true" />
+
+
+</androidx.preference.PreferenceScreen>

app/src/debug/res/xml/pref_root_debug.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen
+	xmlns:android="http://schemas.android.com/apk/res/android">
+
+	<PreferenceScreen
+		android:fragment="org.koitharu.kotatsu.settings.DebugSettingsFragment"
+		android:icon="@drawable/ic_debug"
+		android:key="debug"
+		android:title="@string/debug" />
+
+</androidx.preference.PreferenceScreen>

app/src/main/AndroidManifest.xml

@@ -51,9 +51,11 @@
 		android:backupAgent="org.koitharu.kotatsu.backups.domain.AppBackupAgent"
 		android:dataExtractionRules="@xml/backup_rules"
 		android:enableOnBackInvokedCallback="@bool/is_predictive_back_enabled"
+		android:extractNativeLibs="true"
 		android:fullBackupContent="@xml/backup_content"
 		android:fullBackupOnly="true"
 		android:hasFragileUserData="true"
+		android:restoreAnyVersion="true"
 		android:icon="@mipmap/ic_launcher"
 		android:label="@string/app_name"
 		android:largeHeap="true"
@@ -287,6 +289,9 @@
 				<data android:mimeType="image/*" />
 			</intent-filter>
 		</activity>
+		<activity
+			android:name="org.koitharu.kotatsu.scrobbling.discord.ui.DiscordAuthActivity"
+			android:label="@string/discord" />
 
 		<service
 			android:name="androidx.work.impl.foreground.SystemForegroundService"
@@ -404,6 +409,13 @@
 				tools:node="remove" />
 		</provider>
 
+		<receiver
+			android:name="org.koitharu.kotatsu.core.exceptions.resolve.CaptchaHandler$DiscardReceiver"
+			android:exported="false">
+			<intent-filter>
+				<action android:name="org.koitharu.kotatsu.CAPTCHA_DISCARD" />
+			</intent-filter>
+		</receiver>
 		<receiver
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetProvider"
 			android:exported="true"

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

@@ -30,21 +30,19 @@ constructor(
 		oldManga: Manga,
 		newManga: Manga,
 	) {
-		val oldDetails =
-			if (oldManga.chapters.isNullOrEmpty()) {
-				runCatchingCancellable {
-					mangaRepositoryFactory.create(oldManga.source).getDetails(oldManga)
-				}.getOrDefault(oldManga)
-			} else {
-				oldManga
-			}
-		val newDetails =
-			if (newManga.chapters.isNullOrEmpty()) {
-				mangaRepositoryFactory.create(newManga.source).getDetails(newManga)
-			} else {
-				newManga
-			}
-		mangaDataRepository.storeManga(newDetails)
+		val oldDetails = if (oldManga.chapters.isNullOrEmpty()) {
+			runCatchingCancellable {
+				mangaRepositoryFactory.create(oldManga.source).getDetails(oldManga)
+			}.getOrDefault(oldManga)
+		} else {
+			oldManga
+		}
+		val newDetails = if (newManga.chapters.isNullOrEmpty()) {
+			mangaRepositoryFactory.create(newManga.source).getDetails(newManga)
+		} else {
+			newManga
+		}
+		mangaDataRepository.storeManga(newDetails, replaceExisting = true)
 		database.withTransaction {
 			// replace favorites
 			val favoritesDao = database.getFavouritesDao()
@@ -101,11 +99,11 @@ constructor(
 					mangaId = newDetails.id,
 					rating = prevInfo.rating,
 					status =
-					prevInfo.status ?: when {
-						newHistory == null -> ScrobblingStatus.PLANNED
-						newHistory.percent == 1f -> ScrobblingStatus.COMPLETED
-						else -> ScrobblingStatus.READING
-					},
+						prevInfo.status ?: when {
+							newHistory == null -> ScrobblingStatus.PLANNED
+							newHistory.percent == 1f -> ScrobblingStatus.COMPLETED
+							else -> ScrobblingStatus.READING
+						},
 					comment = prevInfo.comment,
 				)
 				if (newHistory != null) {

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

@@ -17,6 +17,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.runBlocking
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.alternatives.domain.AutoFixUseCase
+import org.koitharu.kotatsu.alternatives.domain.AutoFixUseCase.NoAlternativesException
 import org.koitharu.kotatsu.core.ErrorReporterReceiver
 import org.koitharu.kotatsu.core.model.getTitle
 import org.koitharu.kotatsu.core.model.isNsfw
@@ -47,7 +48,7 @@ class AutoFixService : CoroutineIntentService() {
 
 	override fun onCreate() {
 		super.onCreate()
-		notificationManager = NotificationManagerCompat.from(applicationContext)
+		notificationManager = NotificationManagerCompat.from(this)
 	}
 
 	override suspend fun IntentJobContext.processIntent(intent: Intent) {
@@ -58,7 +59,7 @@ class AutoFixService : CoroutineIntentService() {
 				val result = runCatchingCancellable {
 					autoFixUseCase.invoke(mangaId)
 				}
-				if (applicationContext.checkNotificationPermission(CHANNEL_ID)) {
+				if (checkNotificationPermission(CHANNEL_ID)) {
 					val notification = buildNotification(startId, result)
 					notificationManager.notify(TAG, startId, notification)
 				}
@@ -67,7 +68,7 @@ class AutoFixService : CoroutineIntentService() {
 	}
 
 	override fun IntentJobContext.onError(error: Throwable) {
-		if (applicationContext.checkNotificationPermission(CHANNEL_ID)) {
+		if (checkNotificationPermission(CHANNEL_ID)) {
 			val notification = runBlocking { buildNotification(startId, Result.failure(error)) }
 			notificationManager.notify(TAG, startId, notification)
 		}
@@ -75,7 +76,7 @@ class AutoFixService : CoroutineIntentService() {
 
 	@SuppressLint("InlinedApi")
 	private fun startForeground(jobContext: IntentJobContext) {
-		val title = applicationContext.getString(R.string.fixing_manga)
+		val title = getString(R.string.fixing_manga)
 		val channel = NotificationChannelCompat.Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_MIN)
 			.setName(title)
 			.setShowBadge(false)
@@ -85,7 +86,7 @@ class AutoFixService : CoroutineIntentService() {
 			.build()
 		notificationManager.createNotificationChannel(channel)
 
-		val notification = NotificationCompat.Builder(applicationContext, CHANNEL_ID)
+		val notification = NotificationCompat.Builder(this, CHANNEL_ID)
 			.setContentTitle(title)
 			.setPriority(NotificationCompat.PRIORITY_MIN)
 			.setDefaults(0)
@@ -97,7 +98,7 @@ class AutoFixService : CoroutineIntentService() {
 			.setCategory(NotificationCompat.CATEGORY_PROGRESS)
 			.addAction(
 				appcompatR.drawable.abc_ic_clear_material,
-				applicationContext.getString(android.R.string.cancel),
+				getString(android.R.string.cancel),
 				jobContext.getCancelIntent(),
 			)
 			.build()
@@ -110,7 +111,7 @@ class AutoFixService : CoroutineIntentService() {
 	}
 
 	private suspend fun buildNotification(startId: Int, result: Result<Pair<Manga, Manga?>>): Notification {
-		val notification = NotificationCompat.Builder(applicationContext, CHANNEL_ID)
+		val notification = NotificationCompat.Builder(this, CHANNEL_ID)
 			.setPriority(NotificationCompat.PRIORITY_DEFAULT)
 			.setDefaults(0)
 			.setSilent(true)
@@ -119,17 +120,17 @@ class AutoFixService : CoroutineIntentService() {
 			if (replacement != null) {
 				notification.setLargeIcon(
 					coil.execute(
-						ImageRequest.Builder(applicationContext)
+						ImageRequest.Builder(this)
 							.data(replacement.coverUrl)
 							.mangaSourceExtra(replacement.source)
 							.build(),
 					).toBitmapOrNull(),
 				)
 				notification.setSubText(replacement.title)
-				val intent = AppRouter.detailsIntent(applicationContext, replacement)
+				val intent = AppRouter.detailsIntent(this, replacement)
 				notification.setContentIntent(
 					PendingIntentCompat.getActivity(
-						applicationContext,
+						this,
 						replacement.id.toInt(),
 						intent,
 						PendingIntent.FLAG_UPDATE_CURRENT,
@@ -143,35 +144,35 @@ class AutoFixService : CoroutineIntentService() {
 					},
 				)
 				notification
-					.setContentTitle(applicationContext.getString(R.string.fixed))
+					.setContentTitle(getString(R.string.fixed))
 					.setContentText(
-						applicationContext.getString(
+						getString(
 							R.string.manga_replaced,
 							seed.title,
-							seed.source.getTitle(applicationContext),
+							seed.source.getTitle(this),
 							replacement.title,
-							replacement.source.getTitle(applicationContext),
+							replacement.source.getTitle(this),
 						),
 					)
 					.setSmallIcon(R.drawable.ic_stat_done)
 			} else {
 				notification
-					.setContentTitle(applicationContext.getString(R.string.fixing_manga))
-					.setContentText(applicationContext.getString(R.string.no_fix_required, seed.title))
+					.setContentTitle(getString(R.string.fixing_manga))
+					.setContentText(getString(R.string.no_fix_required, seed.title))
 					.setSmallIcon(android.R.drawable.stat_sys_warning)
 			}
 		}.onFailure { error ->
 			notification
-				.setContentTitle(applicationContext.getString(R.string.error_occurred))
+				.setContentTitle(getString(R.string.error_occurred))
 				.setContentText(
-					if (error is AutoFixUseCase.NoAlternativesException) {
-						applicationContext.getString(R.string.no_alternatives_found, error.seed.manga.title)
+					if (error is NoAlternativesException) {
+						getString(R.string.no_alternatives_found, error.seed.manga.title)
 					} else {
-						error.getDisplayMessage(applicationContext.resources)
+						error.getDisplayMessage(resources)
 					},
 				).setSmallIcon(android.R.drawable.stat_notify_error)
 			ErrorReporterReceiver.getNotificationAction(
-				context = applicationContext,
+				context = this,
 				e = error,
 				notificationId = startId,
 				notificationTag = TAG,

app/src/main/kotlin/org/koitharu/kotatsu/backups/data/BackupRepository.kt

@@ -26,12 +26,17 @@ import org.koitharu.kotatsu.backups.data.model.CategoryBackup
 import org.koitharu.kotatsu.backups.data.model.FavouriteBackup
 import org.koitharu.kotatsu.backups.data.model.HistoryBackup
 import org.koitharu.kotatsu.backups.data.model.MangaBackup
+import org.koitharu.kotatsu.backups.data.model.ScrobblingBackup
 import org.koitharu.kotatsu.backups.data.model.SourceBackup
+import org.koitharu.kotatsu.backups.data.model.StatisticBackup
 import org.koitharu.kotatsu.backups.domain.BackupSection
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.CompositeResult
 import org.koitharu.kotatsu.core.util.progress.Progress
+import org.koitharu.kotatsu.explore.data.MangaSourcesRepository
+import org.koitharu.kotatsu.filter.data.PersistableFilter
+import org.koitharu.kotatsu.filter.data.SavedFiltersRepository
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.reader.data.TapGridSettings
 import java.io.InputStream
@@ -43,220 +48,267 @@ import javax.inject.Inject
 
 @Reusable
 class BackupRepository @Inject constructor(
-	private val database: MangaDatabase,
-	private val settings: AppSettings,
-	private val tapGridSettings: TapGridSettings,
+    private val database: MangaDatabase,
+    private val settings: AppSettings,
+    private val tapGridSettings: TapGridSettings,
+    private val mangaSourcesRepository: MangaSourcesRepository,
+    private val savedFiltersRepository: SavedFiltersRepository,
 ) {
 
-	private val json = Json {
-		allowSpecialFloatingPointValues = true
-		coerceInputValues = true
-		encodeDefaults = true
-		ignoreUnknownKeys = true
-		useAlternativeNames = false
-	}
+    private val json = Json {
+        allowSpecialFloatingPointValues = true
+        coerceInputValues = true
+        encodeDefaults = true
+        ignoreUnknownKeys = true
+        useAlternativeNames = false
+    }
 
-	suspend fun createBackup(
-		output: ZipOutputStream,
-		progress: FlowCollector<Progress>?,
-	) {
-		progress?.emit(Progress.INDETERMINATE)
-		var commonProgress = Progress(0, BackupSection.entries.size)
-		for (section in BackupSection.entries) {
-			when (section) {
-				BackupSection.INDEX -> output.writeJsonArray(
-					section = BackupSection.INDEX,
-					data = flowOf(BackupIndex()),
-					serializer = serializer(),
-				)
+    suspend fun createBackup(
+        output: ZipOutputStream,
+        progress: FlowCollector<Progress>?,
+    ) {
+        progress?.emit(Progress.INDETERMINATE)
+        var commonProgress = Progress(0, BackupSection.entries.size)
+        for (section in BackupSection.entries) {
+            when (section) {
+                BackupSection.INDEX -> output.writeJsonArray(
+                    section = BackupSection.INDEX,
+                    data = flowOf(BackupIndex()),
+                    serializer = serializer(),
+                )
 
-				BackupSection.HISTORY -> output.writeJsonArray(
-					section = BackupSection.HISTORY,
-					data = database.getHistoryDao().dump().map { HistoryBackup(it) },
-					serializer = serializer(),
-				)
+                BackupSection.HISTORY -> output.writeJsonArray(
+                    section = BackupSection.HISTORY,
+                    data = database.getHistoryDao().dump().map { HistoryBackup(it) },
+                    serializer = serializer(),
+                )
 
-				BackupSection.CATEGORIES -> output.writeJsonArray(
-					section = BackupSection.CATEGORIES,
-					data = database.getFavouriteCategoriesDao().findAll().asFlow().map { CategoryBackup(it) },
-					serializer = serializer(),
-				)
+                BackupSection.CATEGORIES -> output.writeJsonArray(
+                    section = BackupSection.CATEGORIES,
+                    data = database.getFavouriteCategoriesDao().findAll().asFlow().map { CategoryBackup(it) },
+                    serializer = serializer(),
+                )
 
-				BackupSection.FAVOURITES -> output.writeJsonArray(
-					section = BackupSection.FAVOURITES,
-					data = database.getFavouritesDao().dump().map { FavouriteBackup(it) },
-					serializer = serializer(),
-				)
+                BackupSection.FAVOURITES -> output.writeJsonArray(
+                    section = BackupSection.FAVOURITES,
+                    data = database.getFavouritesDao().dump().map { FavouriteBackup(it) },
+                    serializer = serializer(),
+                )
 
-				BackupSection.SETTINGS -> output.writeString(
-					section = BackupSection.SETTINGS,
-					data = dumpSettings(),
-				)
+                BackupSection.SETTINGS -> output.writeString(
+                    section = BackupSection.SETTINGS,
+                    data = dumpSettings(),
+                )
 
-				BackupSection.SETTINGS_READER_GRID -> output.writeString(
-					section = BackupSection.SETTINGS_READER_GRID,
-					data = dumpReaderGridSettings(),
-				)
+                BackupSection.SETTINGS_READER_GRID -> output.writeString(
+                    section = BackupSection.SETTINGS_READER_GRID,
+                    data = dumpReaderGridSettings(),
+                )
 
-				BackupSection.BOOKMARKS -> output.writeJsonArray(
-					section = BackupSection.BOOKMARKS,
-					data = database.getBookmarksDao().dump().map { BookmarkBackup(it.first, it.second) },
-					serializer = serializer(),
-				)
+                BackupSection.BOOKMARKS -> output.writeJsonArray(
+                    section = BackupSection.BOOKMARKS,
+                    data = database.getBookmarksDao().dump().map { BookmarkBackup(it.first, it.second) },
+                    serializer = serializer(),
+                )
 
-				BackupSection.SOURCES -> output.writeJsonArray(
-					section = BackupSection.SOURCES,
-					data = database.getSourcesDao().dumpEnabled().map { SourceBackup(it) },
-					serializer = serializer(),
-				)
-			}
-			progress?.emit(commonProgress)
-			commonProgress++
-		}
-		progress?.emit(commonProgress)
-	}
+                BackupSection.SOURCES -> output.writeJsonArray(
+                    section = BackupSection.SOURCES,
+                    data = database.getSourcesDao().dumpEnabled().map { SourceBackup(it) },
+                    serializer = serializer(),
+                )
 
-	suspend fun restoreBackup(
-		input: ZipInputStream,
-		sections: Set<BackupSection>,
-		progress: FlowCollector<Progress>?,
-	): CompositeResult {
-		progress?.emit(Progress.INDETERMINATE)
-		var commonProgress = Progress(0, sections.size)
-		var entry = input.nextEntry
-		var result = CompositeResult.EMPTY
-		while (entry != null) {
-			val section = BackupSection.of(entry)
-			if (section in sections) {
-				result = result + when (section) {
-					BackupSection.INDEX -> CompositeResult.EMPTY // useless in our case
-					BackupSection.HISTORY -> input.readJsonArray<HistoryBackup>(serializer()).restoreToDb {
-						upsertManga(it.manga)
-						getHistoryDao().upsert(it.toEntity())
-					}
+                BackupSection.SCROBBLING -> output.writeJsonArray(
+                    section = BackupSection.SCROBBLING,
+                    data = database.getScrobblingDao().dumpEnabled().map { ScrobblingBackup(it) },
+                    serializer = serializer(),
+                )
 
-					BackupSection.CATEGORIES -> input.readJsonArray<CategoryBackup>(serializer()).restoreToDb {
-						getFavouriteCategoriesDao().upsert(it.toEntity())
-					}
+                BackupSection.STATS -> output.writeJsonArray(
+                    section = BackupSection.STATS,
+                    data = database.getStatsDao().dumpEnabled().map { StatisticBackup(it) },
+                    serializer = serializer(),
+                )
 
-					BackupSection.FAVOURITES -> input.readJsonArray<FavouriteBackup>(serializer()).restoreToDb {
-						upsertManga(it.manga)
-						getFavouritesDao().upsert(it.toEntity())
-					}
+                BackupSection.SAVED_FILTERS -> {
+                    val sources = mangaSourcesRepository.getEnabledSources()
+                    val filters = sources.flatMap { source ->
+                        savedFiltersRepository.getAll(source)
+                    }
+                    output.writeJsonArray(
+                        section = BackupSection.SAVED_FILTERS,
+                        data = filters.asFlow(),
+                        serializer = serializer(),
+                    )
+                }
+            }
+            progress?.emit(commonProgress)
+            commonProgress++
+        }
+        progress?.emit(commonProgress)
+    }
 
-					BackupSection.SETTINGS -> input.readMap().let {
-						settings.upsertAll(it)
-						CompositeResult.success()
-					}
+    suspend fun restoreBackup(
+        input: ZipInputStream,
+        sections: Set<BackupSection>,
+        progress: FlowCollector<Progress>?,
+    ): CompositeResult {
+        progress?.emit(Progress.INDETERMINATE)
+        var commonProgress = Progress(0, sections.size)
+        var entry = input.nextEntry
+        var result = CompositeResult.EMPTY
+        while (entry != null) {
+            val section = BackupSection.of(entry)
+            if (section in sections) {
+                result += when (section) {
+                    BackupSection.INDEX -> CompositeResult.EMPTY // useless in our case
+                    BackupSection.HISTORY -> input.readJsonArray<HistoryBackup>(serializer()).restoreToDb {
+                        upsertManga(it.manga)
+                        getHistoryDao().upsert(it.toEntity())
+                    }
 
-					BackupSection.SETTINGS_READER_GRID -> input.readMap().let {
-						tapGridSettings.upsertAll(it)
-						CompositeResult.success()
-					}
+                    BackupSection.CATEGORIES -> input.readJsonArray<CategoryBackup>(serializer()).restoreToDb {
+                        getFavouriteCategoriesDao().upsert(it.toEntity())
+                    }
 
-					BackupSection.BOOKMARKS -> input.readJsonArray<BookmarkBackup>(serializer()).restoreToDb {
-						upsertManga(it.manga)
-						getBookmarksDao().upsert(it.bookmarks.map { b -> b.toEntity() })
-					}
+                    BackupSection.FAVOURITES -> input.readJsonArray<FavouriteBackup>(serializer()).restoreToDb {
+                        upsertManga(it.manga)
+                        getFavouritesDao().upsert(it.toEntity())
+                    }
 
-					BackupSection.SOURCES -> input.readJsonArray<SourceBackup>(serializer()).restoreToDb {
-						getSourcesDao().upsert(it.toEntity())
-					}
+                    BackupSection.SETTINGS -> input.readMap().let {
+                        settings.upsertAll(it)
+                        CompositeResult.success()
+                    }
 
-					null -> CompositeResult.EMPTY // skip unknown entries
-				}
-				progress?.emit(commonProgress)
-				commonProgress++
-			}
-			input.closeEntry()
-			entry = input.nextEntry
-		}
-		progress?.emit(commonProgress)
-		return result
-	}
+                    BackupSection.SETTINGS_READER_GRID -> input.readMap().let {
+                        tapGridSettings.upsertAll(it)
+                        CompositeResult.success()
+                    }
 
-	private suspend fun <T> ZipOutputStream.writeJsonArray(
-		section: BackupSection,
-		data: Flow<T>,
-		serializer: SerializationStrategy<T>,
-	) {
-		data.onStart {
-			putNextEntry(ZipEntry(section.entryName))
-			write("[")
-		}.onCompletion { error ->
-			if (error == null) {
-				write("]")
-			}
-			closeEntry()
-			flush()
-		}.collectIndexed { index, value ->
-			if (index > 0) {
-				write(",")
-			}
-			json.encodeToStream(serializer, value, this)
-		}
-	}
+                    BackupSection.BOOKMARKS -> input.readJsonArray<BookmarkBackup>(serializer()).restoreToDb {
+                        upsertManga(it.manga)
+                        getBookmarksDao().upsert(it.bookmarks.map { b -> b.toEntity() })
+                    }
 
-	private fun <T> InputStream.readJsonArray(
-		serializer: DeserializationStrategy<T>,
-	): Sequence<T> = json.decodeToSequence(this, serializer, DecodeSequenceMode.ARRAY_WRAPPED)
+                    BackupSection.SOURCES -> input.readJsonArray<SourceBackup>(serializer()).restoreToDb {
+                        getSourcesDao().upsert(it.toEntity())
+                    }
 
-	private fun InputStream.readMap(): Map<String, Any?> {
-		val jo = JSONArray(readString()).getJSONObject(0)
-		val map = ArrayMap<String, Any?>(jo.length())
-		val keys = jo.keys()
-		while (keys.hasNext()) {
-			val key = keys.next()
-			map[key] = jo.get(key)
-		}
-		return map
-	}
+                    BackupSection.SCROBBLING -> input.readJsonArray<ScrobblingBackup>(serializer()).restoreToDb {
+                        getScrobblingDao().upsert(it.toEntity())
+                    }
 
-	private fun ZipOutputStream.writeString(
-		section: BackupSection,
-		data: String,
-	) {
-		putNextEntry(ZipEntry(section.entryName))
-		try {
-			write("[")
-			write(data)
-			write("]")
-		} finally {
-			closeEntry()
-			flush()
-		}
-	}
+                    BackupSection.STATS -> input.readJsonArray<StatisticBackup>(serializer()).restoreToDb {
+                        getStatsDao().upsert(it.toEntity())
+                    }
 
-	private fun OutputStream.write(str: String) = write(str.toByteArray())
+                    BackupSection.SAVED_FILTERS -> input.readJsonArray<PersistableFilter>(serializer())
+                        .restoreWithoutTransaction {
+                            savedFiltersRepository.save(it)
+                        }
 
-	private fun InputStream.readString(): String = readBytes().decodeToString()
+                    null -> CompositeResult.EMPTY // skip unknown entries
+                }
+                progress?.emit(commonProgress)
+                commonProgress++
+            }
+            input.closeEntry()
+            entry = input.nextEntry
+        }
+        progress?.emit(commonProgress)
+        return result
+    }
 
-	private fun dumpSettings(): String {
-		val map = settings.getAllValues().toMutableMap()
-		map.remove(AppSettings.KEY_APP_PASSWORD)
-		map.remove(AppSettings.KEY_PROXY_PASSWORD)
-		map.remove(AppSettings.KEY_PROXY_LOGIN)
-		map.remove(AppSettings.KEY_INCOGNITO_MODE)
-		return JSONObject(map).toString()
-	}
+    private suspend fun <T> ZipOutputStream.writeJsonArray(
+        section: BackupSection,
+        data: Flow<T>,
+        serializer: SerializationStrategy<T>,
+    ) {
+        data.onStart {
+            putNextEntry(ZipEntry(section.entryName))
+            write("[")
+        }.onCompletion { error ->
+            if (error == null) {
+                write("]")
+            }
+            closeEntry()
+            flush()
+        }.collectIndexed { index, value ->
+            if (index > 0) {
+                write(",")
+            }
+            json.encodeToStream(serializer, value, this)
+        }
+    }
 
-	private fun dumpReaderGridSettings(): String {
-		return JSONObject(tapGridSettings.getAllValues()).toString()
-	}
+    private fun <T> InputStream.readJsonArray(
+        serializer: DeserializationStrategy<T>,
+    ): Sequence<T> = json.decodeToSequence(this, serializer, DecodeSequenceMode.ARRAY_WRAPPED)
 
-	private suspend fun MangaDatabase.upsertManga(manga: MangaBackup) {
-		val tags = manga.tags.map { it.toEntity() }
-		getTagsDao().upsert(tags)
-		getMangaDao().upsert(manga.toEntity(), tags)
-	}
+    private fun InputStream.readMap(): Map<String, Any?> {
+        val jo = JSONArray(readString()).getJSONObject(0)
+        val map = ArrayMap<String, Any?>(jo.length())
+        val keys = jo.keys()
+        while (keys.hasNext()) {
+            val key = keys.next()
+            map[key] = jo.get(key)
+        }
+        return map
+    }
 
-	private suspend inline fun <T> Sequence<T>.restoreToDb(crossinline block: suspend MangaDatabase.(T) -> Unit): CompositeResult {
-		return fold(CompositeResult.EMPTY) { result, item ->
-			result + runCatchingCancellable {
-				database.withTransaction {
-					database.block(item)
-				}
-			}
-		}
-	}
+    private fun ZipOutputStream.writeString(
+        section: BackupSection,
+        data: String,
+    ) {
+        putNextEntry(ZipEntry(section.entryName))
+        try {
+            write("[")
+            write(data)
+            write("]")
+        } finally {
+            closeEntry()
+            flush()
+        }
+    }
+
+    private fun OutputStream.write(str: String) = write(str.toByteArray())
+
+    private fun InputStream.readString(): String = readBytes().decodeToString()
+
+    private fun dumpSettings(): String {
+        val map = settings.getAllValues().toMutableMap()
+        map.remove(AppSettings.KEY_APP_PASSWORD)
+        map.remove(AppSettings.KEY_PROXY_PASSWORD)
+        map.remove(AppSettings.KEY_PROXY_LOGIN)
+        map.remove(AppSettings.KEY_INCOGNITO_MODE)
+        return JSONObject(map).toString()
+    }
+
+    private fun dumpReaderGridSettings(): String {
+        return JSONObject(tapGridSettings.getAllValues()).toString()
+    }
+
+    private suspend fun MangaDatabase.upsertManga(manga: MangaBackup) {
+        val tags = manga.tags.map { it.toEntity() }
+        getTagsDao().upsert(tags)
+        getMangaDao().upsert(manga.toEntity(), tags)
+    }
+
+    private suspend inline fun <T> Sequence<T>.restoreToDb(crossinline block: suspend MangaDatabase.(T) -> Unit): CompositeResult {
+        return fold(CompositeResult.EMPTY) { result, item ->
+            result + runCatchingCancellable {
+                database.withTransaction {
+                    database.block(item)
+                }
+            }
+        }
+    }
+
+    private suspend inline fun <T> Sequence<T>.restoreWithoutTransaction(crossinline block: suspend (T) -> Unit): CompositeResult {
+        return fold(CompositeResult.EMPTY) { result, item ->
+            result + runCatchingCancellable {
+                block(item)
+            }
+        }
+    }
 }

app/src/main/kotlin/org/koitharu/kotatsu/backups/data/model/ScrobblingBackup.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.backups.data.model
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import org.koitharu.kotatsu.scrobbling.common.data.ScrobblingEntity
+
+@Serializable
+class ScrobblingBackup(
+	@SerialName("scrobbler") val scrobbler: Int,
+	@SerialName("id") val id: Int,
+	@SerialName("manga_id") val mangaId: Long,
+	@SerialName("target_id") val targetId: Long,
+	@SerialName("status") val status: String?,
+	@SerialName("chapter") val chapter: Int,
+	@SerialName("comment") val comment: String?,
+	@SerialName("rating") val rating: Float,
+) {
+
+	constructor(entity: ScrobblingEntity) : this(
+		scrobbler = entity.scrobbler,
+		id = entity.id,
+		mangaId = entity.mangaId,
+		targetId = entity.targetId,
+		status = entity.status,
+		chapter = entity.chapter,
+		comment = entity.comment,
+		rating = entity.rating,
+	)
+
+	fun toEntity() = ScrobblingEntity(
+		scrobbler = scrobbler,
+		id = id,
+		mangaId = mangaId,
+		targetId = targetId,
+		status = status,
+		chapter = chapter,
+		comment = comment,
+		rating = rating,
+	)
+}

app/src/main/kotlin/org/koitharu/kotatsu/backups/data/model/StatisticBackup.kt

@@ -0,0 +1,28 @@
+package org.koitharu.kotatsu.backups.data.model
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import org.koitharu.kotatsu.stats.data.StatsEntity
+
+@Serializable
+class StatisticBackup(
+	@SerialName("manga_id") val mangaId: Long,
+	@SerialName("started_at") val startedAt: Long,
+	@SerialName("duration") val duration: Long,
+	@SerialName("pages") val pages: Int,
+) {
+
+	constructor(entity: StatsEntity) : this(
+		mangaId = entity.mangaId,
+		startedAt = entity.startedAt,
+		duration = entity.duration,
+		pages = entity.pages,
+	)
+
+	fun toEntity() = StatsEntity(
+		mangaId = mangaId,
+		startedAt = startedAt,
+		duration = duration,
+		pages = pages,
+	)
+}

app/src/main/kotlin/org/koitharu/kotatsu/backups/domain/AppBackupAgent.kt

@@ -12,6 +12,8 @@ import kotlinx.coroutines.runBlocking
 import org.koitharu.kotatsu.backups.data.BackupRepository
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.explore.data.MangaSourcesRepository
+import org.koitharu.kotatsu.filter.data.SavedFiltersRepository
 import org.koitharu.kotatsu.reader.data.TapGridSettings
 import java.io.File
 import java.io.FileDescriptor
@@ -36,15 +38,22 @@ class AppBackupAgent : BackupAgent() {
 
 	override fun onFullBackup(data: FullBackupDataOutput) {
 		super.onFullBackup(data)
-		val file =
-			createBackupFile(
-				this,
-				BackupRepository(
-					MangaDatabase(context = applicationContext),
-					AppSettings(applicationContext),
-					TapGridSettings(applicationContext),
+		val file = createBackupFile(
+			this,
+			BackupRepository(
+				database = MangaDatabase(context = applicationContext),
+				settings = AppSettings(applicationContext),
+				tapGridSettings = TapGridSettings(applicationContext),
+				mangaSourcesRepository = MangaSourcesRepository(
+					context = applicationContext,
+					db = MangaDatabase(context = applicationContext),
+					settings = AppSettings(applicationContext),
 				),
-			)
+				savedFiltersRepository = SavedFiltersRepository(
+					context = applicationContext,
+				),
+			),
+		)
 		try {
 			fullBackupFile(file, data)
 		} finally {
@@ -68,6 +77,14 @@ class AppBackupAgent : BackupAgent() {
 					database = MangaDatabase(applicationContext),
 					settings = AppSettings(applicationContext),
 					tapGridSettings = TapGridSettings(applicationContext),
+					mangaSourcesRepository = MangaSourcesRepository(
+						context = applicationContext,
+						db = MangaDatabase(context = applicationContext),
+						settings = AppSettings(applicationContext),
+					),
+					savedFiltersRepository = SavedFiltersRepository(
+						context = applicationContext,
+					),
 				),
 			)
 			destination.delete()
@@ -90,8 +107,12 @@ class AppBackupAgent : BackupAgent() {
 	@VisibleForTesting
 	fun restoreBackupFile(fd: FileDescriptor, size: Long, repository: BackupRepository) {
 		ZipInputStream(ByteStreams.limit(FileInputStream(fd), size)).use { input ->
+			val sections = EnumSet.allOf(BackupSection::class.java)
+			// managed externally
+			sections.remove(BackupSection.SETTINGS)
+			sections.remove(BackupSection.SETTINGS_READER_GRID)
 			runBlocking {
-				repository.restoreBackup(input, EnumSet.allOf(BackupSection::class.java), null)
+				repository.restoreBackup(input, sections, null)
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/backups/domain/BackupSection.kt

@@ -15,13 +15,16 @@ enum class BackupSection(
 	SETTINGS_READER_GRID("reader_grid"),
 	BOOKMARKS("bookmarks"),
 	SOURCES("sources"),
+	SCROBBLING("scrobbling"),
+	STATS("statistics"),
+	SAVED_FILTERS("saved_filters"),
 	;
 
 	companion object {
 
 		fun of(entry: ZipEntry): BackupSection? {
 			val name = entry.name.lowercase(Locale.ROOT)
-			return entries.first { x -> x.entryName == name }
+			return entries.find { x -> x.entryName == name }
 		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/backups/ui/BaseBackupRestoreService.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.backups.ui
 
+import android.content.Context
 import android.net.Uri
 import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationCompat
@@ -27,24 +28,13 @@ abstract class BaseBackupRestoreService : CoroutineIntentService() {
 	override fun onCreate() {
 		super.onCreate()
 		notificationManager = NotificationManagerCompat.from(applicationContext)
-		createNotificationChannel()
+		createNotificationChannel(this)
 	}
 
 	override fun IntentJobContext.onError(error: Throwable) {
 		showResultNotification(null, CompositeResult.failure(error))
 	}
 
-	private fun createNotificationChannel() {
-		val channel = NotificationChannelCompat.Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_HIGH)
-			.setName(getString(R.string.backup_restore))
-			.setShowBadge(true)
-			.setVibrationEnabled(false)
-			.setSound(null, null)
-			.setLightsEnabled(false)
-			.build()
-		notificationManager.createNotificationChannel(channel)
-	}
-
 	protected fun IntentJobContext.showResultNotification(
 		fileUri: Uri?,
 		result: CompositeResult,
@@ -128,8 +118,19 @@ abstract class BaseBackupRestoreService : CoroutineIntentService() {
 			.setBigContentTitle(title),
 	)
 
-	protected companion object {
+	companion object {
 
 		const val CHANNEL_ID = "backup_restore"
+
+		fun createNotificationChannel(context: Context) {
+			val channel = NotificationChannelCompat.Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_HIGH)
+				.setName(context.getString(R.string.backup_restore))
+				.setShowBadge(true)
+				.setVibrationEnabled(false)
+				.setSound(null, null)
+				.setLightsEnabled(false)
+				.build()
+			NotificationManagerCompat.from(context).createNotificationChannel(channel)
+		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/backups/ui/periodical/PeriodicalBackupService.kt

@@ -1,12 +1,21 @@
 package org.koitharu.kotatsu.backups.ui.periodical
 
 import android.content.Intent
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.app.PendingIntentCompat
 import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.backups.data.BackupRepository
 import org.koitharu.kotatsu.backups.domain.BackupUtils
 import org.koitharu.kotatsu.backups.domain.ExternalBackupStorage
+import org.koitharu.kotatsu.backups.ui.BaseBackupRestoreService
+import org.koitharu.kotatsu.core.ErrorReporterReceiver
+import org.koitharu.kotatsu.core.nav.AppRouter
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.CoroutineIntentService
+import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
+import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
 import java.util.zip.ZipOutputStream
 import javax.inject.Inject
 
@@ -40,7 +49,7 @@ class PeriodicalBackupService : CoroutineIntentService() {
 			}
 			externalBackupStorage.put(output)
 			externalBackupStorage.trim(settings.periodicalBackupMaxCount)
-			if (settings.isBackupTelegramUploadEnabled) {
+			if (settings.isBackupTelegramUploadEnabled && telegramBackupUploader.isAvailable) {
 				telegramBackupUploader.uploadBackup(output)
 			}
 		} finally {
@@ -48,5 +57,49 @@ class PeriodicalBackupService : CoroutineIntentService() {
 		}
 	}
 
-	override fun IntentJobContext.onError(error: Throwable) = Unit
+	override fun IntentJobContext.onError(error: Throwable) {
+		if (!applicationContext.checkNotificationPermission(CHANNEL_ID)) {
+			return
+		}
+		BaseBackupRestoreService.createNotificationChannel(applicationContext)
+		val notification = NotificationCompat.Builder(applicationContext, CHANNEL_ID)
+			.setPriority(NotificationCompat.PRIORITY_HIGH)
+			.setDefaults(0)
+			.setSilent(true)
+			.setAutoCancel(true)
+		val title = getString(R.string.periodic_backups)
+		val message = getString(
+			R.string.inline_preference_pattern,
+			getString(R.string.packup_creation_failed),
+			error.getDisplayMessage(resources),
+		)
+		notification
+			.setContentText(message)
+			.setSmallIcon(android.R.drawable.stat_notify_error)
+			.setStyle(
+				NotificationCompat.BigTextStyle()
+					.bigText(message)
+					.setSummaryText(getString(R.string.packup_creation_failed))
+					.setBigContentTitle(title),
+			)
+		ErrorReporterReceiver.getNotificationAction(applicationContext, error, startId, TAG)?.let { action ->
+			notification.addAction(action)
+		}
+		notification.setContentIntent(
+			PendingIntentCompat.getActivity(
+				applicationContext,
+				0,
+				AppRouter.periodicBackupSettingsIntent(applicationContext),
+				0,
+				false,
+			),
+		)
+		NotificationManagerCompat.from(applicationContext).notify(TAG, startId, notification.build())
+	}
+
+	private companion object {
+
+		const val CHANNEL_ID = BaseBackupRestoreService.CHANNEL_ID
+		const val TAG = "periodical_backup"
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/backups/ui/periodical/PeriodicalBackupSettingsFragment.kt

@@ -9,6 +9,7 @@ import androidx.activity.result.ActivityResultCallback
 import androidx.fragment.app.viewModels
 import androidx.preference.EditTextPreference
 import androidx.preference.Preference
+import androidx.preference.PreferenceCategory
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
@@ -37,6 +38,7 @@ class PeriodicalBackupSettingsFragment : BasePreferenceFragment(R.string.periodi
 
 	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
 		addPreferencesFromResource(R.xml.pref_backup_periodic)
+		findPreference<PreferenceCategory>(AppSettings.KEY_BACKUP_TG)?.isVisible = viewModel.isTelegramAvailable
 		findPreference<EditTextPreference>(AppSettings.KEY_BACKUP_TG_CHAT)?.summaryProvider =
 			EditTextFallbackSummaryProvider(R.string.telegram_chat_id_summary)
 	}
@@ -84,6 +86,11 @@ class PeriodicalBackupSettingsFragment : BasePreferenceFragment(R.string.periodi
 			"" -> null
 			else -> path
 		}
+		preference.icon = if (path == null) {
+			getWarningIcon()
+		} else {
+			null
+		}
 	}
 
 	private fun bindLastBackupInfo(lastBackupDate: Date?) {

app/src/main/kotlin/org/koitharu/kotatsu/backups/ui/periodical/PeriodicalBackupSettingsViewModel.kt

@@ -27,6 +27,9 @@ class PeriodicalBackupSettingsViewModel @Inject constructor(
 	@ApplicationContext private val appContext: Context,
 ) : BaseViewModel() {
 
+	val isTelegramAvailable
+		get() = telegramUploader.isAvailable
+
 	val lastBackupDate = MutableStateFlow<Date?>(null)
 	val backupsDirectory = MutableStateFlow<String?>("")
 	val isTelegramCheckLoading = MutableStateFlow(false)

app/src/main/kotlin/org/koitharu/kotatsu/backups/ui/periodical/TelegramBackupUploader.kt

@@ -30,10 +30,13 @@ class TelegramBackupUploader @Inject constructor(
 
 	private val botToken = context.getString(R.string.tg_backup_bot_token)
 
+	val isAvailable: Boolean
+		get() = botToken.isNotEmpty()
+
 	suspend fun uploadBackup(file: File) {
 		val requestBody = file.asRequestBody("application/zip".toMediaTypeOrNull())
 		val multipartBody = MultipartBody.Builder()
-			.setType(MultipartBody.Companion.FORM)
+			.setType(MultipartBody.FORM)
 			.addFormDataPart("chat_id", requireChatId())
 			.addFormDataPart("document", file.name, requestBody)
 			.build()

app/src/main/kotlin/org/koitharu/kotatsu/backups/ui/restore/BackupSectionModel.kt

@@ -23,6 +23,9 @@ data class BackupSectionModel(
 			BackupSection.SETTINGS_READER_GRID -> R.string.reader_actions
 			BackupSection.BOOKMARKS -> R.string.bookmarks
 			BackupSection.SOURCES -> R.string.remote_sources
+			BackupSection.SCROBBLING -> R.string.tracking
+			BackupSection.STATS -> R.string.statistics
+			BackupSection.SAVED_FILTERS -> R.string.saved_filters
 		}
 
 	override fun areItemsTheSame(other: ListModel): Boolean {

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.browser
 
+import android.annotation.SuppressLint
 import android.graphics.Bitmap
 import android.os.Looper
 import android.webkit.WebResourceRequest
@@ -15,7 +16,7 @@ import java.io.ByteArrayInputStream
 
 open class BrowserClient(
 	private val callback: BrowserCallback,
-	private val adBlock: AdBlock,
+	private val adBlock: AdBlock?,
 ) : WebViewClient() {
 
 	/**
@@ -47,7 +48,7 @@ open class BrowserClient(
 	override fun shouldInterceptRequest(
 		view: WebView?,
 		url: String?
-	): WebResourceResponse? = if (url.isNullOrEmpty() || adBlock.shouldLoadUrl(url, view?.getUrlSafe())) {
+	): WebResourceResponse? = if (url.isNullOrEmpty() || adBlock?.shouldLoadUrl(url, view?.getUrlSafe()) ?: true) {
 		super.shouldInterceptRequest(view, url)
 	} else {
 		emptyResponse()
@@ -57,15 +58,17 @@ open class BrowserClient(
 	override fun shouldInterceptRequest(
 		view: WebView?,
 		request: WebResourceRequest?
-	): WebResourceResponse? = if (request == null || adBlock.shouldLoadUrl(request.url.toString(), view?.getUrlSafe())) {
-		super.shouldInterceptRequest(view, request)
-	} else {
-		emptyResponse()
-	}
+	): WebResourceResponse? =
+		if (request == null || adBlock?.shouldLoadUrl(request.url.toString(), view?.getUrlSafe()) ?: true) {
+			super.shouldInterceptRequest(view, request)
+		} else {
+			emptyResponse()
+		}
 
 	private fun emptyResponse(): WebResourceResponse =
 		WebResourceResponse("text/plain", "utf-8", ByteArrayInputStream(byteArrayOf()))
 
+	@SuppressLint("WrongThread")
 	@AnyThread
 	private fun WebView.getUrlSafe(): String? = if (Looper.myLooper() == Looper.getMainLooper()) {
 		url

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

@@ -42,18 +42,21 @@ import org.koitharu.kotatsu.core.network.imageproxy.ImageProxyInterceptor
 import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaLoaderContextImpl
-import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.favicon.FaviconFetcher
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.image.CoilImageGetter
 import org.koitharu.kotatsu.core.ui.util.ActivityRecreationHandle
 import org.koitharu.kotatsu.core.util.AcraScreenLogger
+import org.koitharu.kotatsu.core.util.FileSize
 import org.koitharu.kotatsu.core.util.ext.connectivityManager
 import org.koitharu.kotatsu.core.util.ext.isLowRamDevice
 import org.koitharu.kotatsu.details.ui.pager.pages.MangaPageFetcher
 import org.koitharu.kotatsu.details.ui.pager.pages.MangaPageKeyer
 import org.koitharu.kotatsu.local.data.CacheDir
+import org.koitharu.kotatsu.local.data.FaviconCache
+import org.koitharu.kotatsu.local.data.LocalStorageCache
 import org.koitharu.kotatsu.local.data.LocalStorageChanges
+import org.koitharu.kotatsu.local.data.PageCache
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.main.domain.CoverRestoreInterceptor
 import org.koitharu.kotatsu.main.ui.protect.AppProtectHelper
@@ -101,7 +104,7 @@ interface AppModule {
 		fun provideCoil(
 			@LocalizedAppContext context: Context,
 			@MangaHttpClient okHttpClientProvider: Provider<OkHttpClient>,
-			mangaRepositoryFactory: MangaRepository.Factory,
+			faviconFetcherFactory: FaviconFetcher.Factory,
 			imageProxyInterceptor: ImageProxyInterceptor,
 			pageFetcherFactory: MangaPageFetcher.Factory,
 			coverRestoreInterceptor: CoverRestoreInterceptor,
@@ -138,7 +141,7 @@ interface AppModule {
 					add(SvgDecoder.Factory())
 					add(CbzFetcher.Factory())
 					add(AvifImageDecoder.Factory())
-					add(FaviconFetcher.Factory(mangaRepositoryFactory))
+					add(faviconFetcherFactory)
 					add(MangaPageKeyer())
 					add(pageFetcherFactory)
 					add(imageProxyInterceptor)
@@ -195,5 +198,29 @@ interface AppModule {
 		fun provideWorkManager(
 			@ApplicationContext context: Context,
 		): WorkManager = WorkManager.getInstance(context)
+
+		@Provides
+		@Singleton
+		@PageCache
+		fun providePageCache(
+			@ApplicationContext context: Context,
+		) = LocalStorageCache(
+			context = context,
+			dir = CacheDir.PAGES,
+			defaultSize = FileSize.MEGABYTES.convert(200, FileSize.BYTES),
+			minSize = FileSize.MEGABYTES.convert(20, FileSize.BYTES),
+		)
+
+		@Provides
+		@Singleton
+		@FaviconCache
+		fun provideFaviconCache(
+			@ApplicationContext context: Context,
+		) = LocalStorageCache(
+			context = context,
+			dir = CacheDir.FAVICONS,
+			defaultSize = FileSize.MEGABYTES.convert(8, FileSize.BYTES),
+			minSize = FileSize.MEGABYTES.convert(2, FileSize.BYTES),
+		)
 	}
 }

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

@@ -8,11 +8,11 @@ import androidx.appcompat.app.AppCompatDelegate
 import androidx.hilt.work.HiltWorkerFactory
 import androidx.room.InvalidationTracker
 import androidx.work.Configuration
-import androidx.work.WorkManager
 import dagger.hilt.android.HiltAndroidApp
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
+import okhttp3.internal.platform.PlatformRegistry
 import org.acra.ACRA
 import org.acra.ReportField
 import org.acra.config.dialog
@@ -27,7 +27,6 @@ import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.os.AppValidator
 import org.koitharu.kotatsu.core.os.RomCompat
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.util.WorkServiceStopHelper
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.local.data.LocalStorageChanges
 import org.koitharu.kotatsu.local.data.index.LocalMangaIndex
@@ -62,9 +61,6 @@ open class BaseApp : Application(), Configuration.Provider {
 	@Inject
 	lateinit var workScheduleManager: WorkScheduleManager
 
-	@Inject
-	lateinit var workManagerProvider: Provider<WorkManager>
-
 	@Inject
 	lateinit var localMangaIndexProvider: Provider<LocalMangaIndex>
 
@@ -79,6 +75,7 @@ open class BaseApp : Application(), Configuration.Provider {
 
 	override fun onCreate() {
 		super.onCreate()
+		PlatformRegistry.applicationContext = this // TODO replace with OkHttp.initialize
 		if (ACRA.isACRASenderServiceProcess()) {
 			return
 		}
@@ -97,7 +94,6 @@ open class BaseApp : Application(), Configuration.Provider {
 			localStorageChanges.collect(localMangaIndexProvider.get())
 		}
 		workScheduleManager.init()
-		WorkServiceStopHelper(workManagerProvider).setup()
 	}
 
 	override fun attachBaseContext(base: Context) {

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

@@ -4,7 +4,6 @@ import android.app.PendingIntent
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
-import android.os.BadParcelableException
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.PendingIntentCompat
@@ -65,7 +64,7 @@ class ErrorReporterReceiver : BroadcastReceiver() {
 			e: Throwable,
 			notificationId: Int,
 			notificationTag: String?,
-		): PendingIntent? = try {
+		): PendingIntent? = runCatching {
 			val intent = Intent(context, ErrorReporterReceiver::class.java)
 			intent.setAction(ACTION_REPORT)
 			intent.setData("err://${e.hashCode()}".toUri())
@@ -73,9 +72,9 @@ class ErrorReporterReceiver : BroadcastReceiver() {
 			intent.putExtra(EXTRA_NOTIFICATION_ID, notificationId)
 			intent.putExtra(EXTRA_NOTIFICATION_TAG, notificationTag)
 			PendingIntentCompat.getBroadcast(context, 0, intent, 0, false)
-		} catch (e: BadParcelableException) {
+		}.onFailure { e ->
+			// probably cannot write exception as serializable
 			e.printStackTraceDebug()
-			null
-		}
+		}.getOrNull()
 	}
 }

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

@@ -42,6 +42,7 @@ import org.koitharu.kotatsu.core.db.migrations.Migration23To24
 import org.koitharu.kotatsu.core.db.migrations.Migration24To23
 import org.koitharu.kotatsu.core.db.migrations.Migration24To25
 import org.koitharu.kotatsu.core.db.migrations.Migration25To26
+import org.koitharu.kotatsu.core.db.migrations.Migration26To27
 import org.koitharu.kotatsu.core.db.migrations.Migration2To3
 import org.koitharu.kotatsu.core.db.migrations.Migration3To4
 import org.koitharu.kotatsu.core.db.migrations.Migration4To5
@@ -69,7 +70,7 @@ import org.koitharu.kotatsu.tracker.data.TrackEntity
 import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TracksDao
 
-const val DATABASE_VERSION = 26
+const val DATABASE_VERSION = 27
 
 @Database(
 	entities = [
@@ -140,6 +141,7 @@ fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
 	Migration24To23(),
 	Migration24To25(),
 	Migration25To26(),
+	Migration26To27(),
 )
 
 fun MangaDatabase(context: Context): MangaDatabase = Room

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

@@ -34,6 +34,9 @@ abstract class MangaDao {
 	@Query("SELECT author FROM manga WHERE author LIKE :query GROUP BY author ORDER BY COUNT(author) DESC LIMIT :limit")
 	abstract suspend fun findAuthors(query: String, limit: Int): List<String>
 
+    @Query("SELECT author FROM manga WHERE manga.source = :source AND author IS NOT NULL AND author != '' GROUP BY author ORDER BY COUNT(author) DESC LIMIT :limit")
+    abstract suspend fun findAuthorsBySource(source: String, limit: Int): List<String>
+
 	@Transaction
 	@Query("SELECT * FROM manga WHERE (title LIKE :query OR alt_title LIKE :query) AND manga_id IN (SELECT manga_id FROM favourites UNION SELECT manga_id FROM history) LIMIT :limit")
 	abstract suspend fun searchByTitle(query: String, limit: Int): List<MangaWithTags>

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

@@ -26,6 +26,7 @@ data class MangaPrefsEntity(
 	@ColumnInfo(name = "cf_contrast") val cfContrast: Float,
 	@ColumnInfo(name = "cf_invert") val cfInvert: Boolean,
 	@ColumnInfo(name = "cf_grayscale") val cfGrayscale: Boolean,
+	@ColumnInfo(name = "cf_book") val cfBookEffect: Boolean,
 	@ColumnInfo(name = "title_override") val titleOverride: String?,
 	@ColumnInfo(name = "cover_override") val coverUrlOverride: String?,
 	@ColumnInfo(name = "content_rating_override") val contentRatingOverride: String?,

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration26To27.kt

@@ -0,0 +1,11 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration26To27 : Migration(26, 27) {
+
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE preferences ADD COLUMN cf_book INTEGER NOT NULL DEFAULT 0")
+	}
+}

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

@@ -0,0 +1,10 @@
+package org.koitharu.kotatsu.core.exceptions
+
+import org.koitharu.kotatsu.details.ui.pager.EmptyMangaReason
+import org.koitharu.kotatsu.parsers.model.Manga
+
+class EmptyMangaException(
+    val reason: EmptyMangaReason?,
+    val manga: Manga,
+    cause: Throwable?
+) : IllegalStateException(cause)

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

@@ -5,16 +5,15 @@ import android.app.Notification
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
-import android.content.IntentFilter
 import android.os.Build
 import android.provider.Settings
+import androidx.annotation.CheckResult
 import androidx.annotation.RequiresPermission
 import androidx.collection.MutableScatterMap
 import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.PendingIntentCompat
-import androidx.core.content.ContextCompat
 import androidx.core.net.toUri
 import androidx.lifecycle.coroutineScope
 import coil3.EventListener
@@ -26,6 +25,7 @@ import coil3.request.allowConversionToBitmap
 import coil3.request.allowHardware
 import coil3.request.lifecycle
 import coil3.size.Scale
+import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
@@ -44,6 +44,7 @@ import org.koitharu.kotatsu.core.model.UnknownMangaSource
 import org.koitharu.kotatsu.core.model.getTitle
 import org.koitharu.kotatsu.core.model.isNsfw
 import org.koitharu.kotatsu.core.nav.AppRouter
+import org.koitharu.kotatsu.core.network.webview.WebViewExecutor
 import org.koitharu.kotatsu.core.parser.favicon.faviconUri
 import org.koitharu.kotatsu.core.prefs.SourceSettings
 import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
@@ -55,6 +56,7 @@ import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.core.util.ext.toBitmapOrNull
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.network.CloudFlareHelper
+import org.koitharu.kotatsu.parsers.util.mapToArray
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import javax.inject.Inject
 import javax.inject.Provider
@@ -65,27 +67,13 @@ class CaptchaHandler @Inject constructor(
 	@LocalizedAppContext private val context: Context,
 	private val databaseProvider: Provider<MangaDatabase>,
 	private val coilProvider: Provider<ImageLoader>,
+	private val webViewExecutor: WebViewExecutor,
 ) : EventListener() {
 
 	private val exceptionMap = MutableScatterMap<MangaSource, CloudFlareProtectedException>()
 	private val mutex = Mutex()
 
-	init {
-		ContextCompat.registerReceiver(
-			context,
-			object : BroadcastReceiver() {
-				override fun onReceive(context: Context?, intent: Intent?) {
-					val sourceName = intent?.getStringExtra(AppRouter.KEY_SOURCE) ?: return
-					goAsync {
-						handleException(MangaSource(sourceName), exception = null, notify = false)
-					}
-				}
-			},
-			IntentFilter().apply { addAction(ACTION_DISCARD) },
-			ContextCompat.RECEIVER_NOT_EXPORTED,
-		)
-	}
-
+	@CheckResult
 	suspend fun handle(exception: CloudFlareException): Boolean = handleException(exception.source, exception, true)
 
 	suspend fun discard(source: MangaSource) {
@@ -95,10 +83,18 @@ class CaptchaHandler @Inject constructor(
 	override fun onError(request: ImageRequest, result: ErrorResult) {
 		super.onError(request, result)
 		val e = result.throwable
-		if (e is CloudFlareException && request.extras[ignoreCaptchaKey] != true) {
+		if (e is CloudFlareException) {
 			val scope = request.lifecycle?.coroutineScope ?: processLifecycleScope
 			scope.launch {
-				handleException(e.source, e, true)
+				if (
+					handleException(
+						source = e.source,
+						exception = e,
+						notify = request.extras[suppressCaptchaKey] != true,
+					)
+				) {
+					coilProvider.get().enqueue(request) // TODO check if ok
+				}
 			}
 		}
 	}
@@ -106,11 +102,14 @@ class CaptchaHandler @Inject constructor(
 	private suspend fun handleException(
 		source: MangaSource,
 		exception: CloudFlareException?,
-		notify: Boolean
+		notify: Boolean,
 	): Boolean = withContext(Dispatchers.Default) {
 		if (source == UnknownMangaSource) {
 			return@withContext false
 		}
+		if (exception != null && webViewExecutor.tryResolveCaptcha(exception, RESOLVE_TIMEOUT)) {
+			return@withContext true
+		}
 		mutex.withLock {
 			var removedException: CloudFlareProtectedException? = null
 			if (exception is CloudFlareProtectedException) {
@@ -121,21 +120,21 @@ class CaptchaHandler @Inject constructor(
 			val dao = databaseProvider.get().getSourcesDao()
 			dao.setCfState(source.name, exception?.state ?: CloudFlareHelper.PROTECTION_NOT_DETECTED)
 
-			val exceptions = dao.findAllCaptchaRequired().mapNotNull {
-				it.source.toMangaSourceOrNull()
-			}.filterNot {
-				SourceSettings(context, it).isCaptchaNotificationsDisabled
-			}.mapNotNull {
-				exceptionMap[it]
-			}
 			if (notify && context.checkNotificationPermission(CHANNEL_ID)) {
+				val exceptions = dao.findAllCaptchaRequired().mapNotNull {
+					it.source.toMangaSourceOrNull()
+				}.filterNot {
+					SourceSettings(context, it).isCaptchaNotificationsDisabled
+				}.mapNotNull {
+					exceptionMap[it]
+				}
 				if (removedException != null) {
 					NotificationManagerCompat.from(context).cancel(TAG, removedException.source.hashCode())
 				}
 				notify(exceptions)
 			}
 		}
-		true
+		false
 	}
 
 	@RequiresPermission(Manifest.permission.POST_NOTIFICATIONS)
@@ -169,6 +168,15 @@ class CaptchaHandler @Inject constructor(
 				.setOnlyAlertOnce(true)
 				.setSmallIcon(R.drawable.ic_bot)
 				.setGroup(GROUP_CAPTCHA)
+				.setContentIntent(
+					PendingIntentCompat.getActivities(
+						context, GROUP_NOTIFICATION_ID,
+						exceptions.mapToArray { e ->
+							AppRouter.cloudFlareResolveIntent(context, e)
+						},
+						0, false,
+					),
+				)
 				.setContentText(
 					context.getString(
 						R.string.captcha_required_summary, context.getString(R.string.app_name),
@@ -189,7 +197,6 @@ class CaptchaHandler @Inject constructor(
 
 	private suspend fun buildNotification(exception: CloudFlareProtectedException): Notification {
 		val intent = AppRouter.cloudFlareResolveIntent(context, exception)
-			.setData(exception.url.toUri())
 		val discardIntent = Intent(ACTION_DISCARD)
 			.putExtra(AppRouter.KEY_SOURCE, exception.source.name)
 			.setData("source://${exception.source.name}".toUri())
@@ -242,6 +249,7 @@ class CaptchaHandler @Inject constructor(
 				.data(source.faviconUri())
 				.allowHardware(false)
 				.allowConversionToBitmap(true)
+				.suppressCaptchaErrors()
 				.mangaSourceExtra(source)
 				.size(context.resources.getNotificationIconSize())
 				.scale(Scale.FILL)
@@ -251,13 +259,27 @@ class CaptchaHandler @Inject constructor(
 		it.printStackTraceDebug()
 	}.getOrNull()
 
+	@AndroidEntryPoint
+	class DiscardReceiver : BroadcastReceiver() {
+
+		@Inject
+		lateinit var captchaHandler: CaptchaHandler
+
+		override fun onReceive(context: Context?, intent: Intent?) {
+			val sourceName = intent?.getStringExtra(AppRouter.KEY_SOURCE) ?: return
+			goAsync {
+				captchaHandler.handleException(MangaSource(sourceName), exception = null, notify = false)
+			}
+		}
+	}
+
 	companion object {
 
-		fun ImageRequest.Builder.ignoreCaptchaErrors() = apply {
-			extras[ignoreCaptchaKey] = true
+		fun ImageRequest.Builder.suppressCaptchaErrors() = apply {
+			extras[suppressCaptchaKey] = true
 		}
 
-		val ignoreCaptchaKey = Extras.Key(false)
+		private val suppressCaptchaKey = Extras.Key(false)
 
 		private const val CHANNEL_ID = "captcha"
 		private const val TAG = CHANNEL_ID
@@ -265,5 +287,6 @@ class CaptchaHandler @Inject constructor(
 		private const val GROUP_NOTIFICATION_ID = 34
 		private const val SETTINGS_ACTION_CODE = 3
 		private const val ACTION_DISCARD = "org.koitharu.kotatsu.CAPTCHA_DISCARD"
+		private const val RESOLVE_TIMEOUT = 20_000L
 	}
 }

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

@@ -8,13 +8,15 @@ import androidx.collection.MutableScatterMap
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentManager
-import dagger.assisted.Assisted
-import dagger.assisted.AssistedFactory
-import dagger.assisted.AssistedInject
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.async
 import org.koitharu.kotatsu.R
 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.EmptyMangaException
 import org.koitharu.kotatsu.core.exceptions.InteractiveActionRequiredException
 import org.koitharu.kotatsu.core.exceptions.ProxyConfigException
 import org.koitharu.kotatsu.core.exceptions.UnsupportedSourceException
@@ -24,6 +26,7 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.dialog.buildAlertDialog
 import org.koitharu.kotatsu.core.util.ext.isHttpUrl
 import org.koitharu.kotatsu.core.util.ext.restartApplication
+import org.koitharu.kotatsu.details.ui.pager.EmptyMangaReason
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
@@ -32,164 +35,221 @@ import org.koitharu.kotatsu.scrobbling.common.domain.ScrobblerAuthRequiredExcept
 import org.koitharu.kotatsu.scrobbling.common.ui.ScrobblerAuthHelper
 import org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity
 import java.security.cert.CertPathValidatorException
+import javax.inject.Inject
 import javax.inject.Provider
 import javax.net.ssl.SSLException
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
-class ExceptionResolver @AssistedInject constructor(
-	@Assisted private val host: Host,
-	private val settings: AppSettings,
-	private val scrobblerAuthHelperProvider: Provider<ScrobblerAuthHelper>,
+class ExceptionResolver private constructor(
+    private val host: Host,
+    private val settings: AppSettings,
+    private val scrobblerAuthHelperProvider: Provider<ScrobblerAuthHelper>,
 ) {
-	private val continuations = MutableScatterMap<String, Continuation<Boolean>>(1)
+    private val continuations = MutableScatterMap<String, Continuation<Boolean>>(1)
 
-	private val browserActionContract = host.registerForActivityResult(BrowserActivity.Contract()) {
-		handleActivityResult(BrowserActivity.TAG, true)
-	}
-	private val sourceAuthContract = host.registerForActivityResult(SourceAuthActivity.Contract()) {
-		handleActivityResult(SourceAuthActivity.TAG, it)
-	}
-	private val cloudflareContract = host.registerForActivityResult(CloudFlareActivity.Contract()) {
-		handleActivityResult(CloudFlareActivity.TAG, it)
-	}
+    private val browserActionContract = host.registerForActivityResult(BrowserActivity.Contract()) {
+        handleActivityResult(BrowserActivity.TAG, true)
+    }
+    private val sourceAuthContract = host.registerForActivityResult(SourceAuthActivity.Contract()) {
+        handleActivityResult(SourceAuthActivity.TAG, it)
+    }
+    private val cloudflareContract = host.registerForActivityResult(CloudFlareActivity.Contract()) {
+        handleActivityResult(CloudFlareActivity.TAG, it)
+    }
 
-	fun showErrorDetails(e: Throwable, url: String? = null) {
-		host.router()?.showErrorDialog(e, url)
-	}
+    fun showErrorDetails(e: Throwable, url: String? = null) {
+        host.router.showErrorDialog(e, url)
+    }
 
-	suspend fun resolve(e: Throwable): Boolean = when (e) {
-		is CloudFlareProtectedException -> resolveCF(e)
-		is AuthRequiredException -> resolveAuthException(e.source)
-		is SSLException,
-		is CertPathValidatorException -> {
-			showSslErrorDialog()
-			false
-		}
+    suspend fun resolve(e: Throwable): Boolean = host.lifecycleScope.async {
+        when (e) {
+            is CloudFlareProtectedException -> resolveCF(e)
+            is AuthRequiredException -> resolveAuthException(e.source)
+            is SSLException,
+            is CertPathValidatorException -> {
+                showSslErrorDialog()
+                false
+            }
 
-		is InteractiveActionRequiredException -> resolveBrowserAction(e)
+            is InteractiveActionRequiredException -> resolveBrowserAction(e)
 
-		is ProxyConfigException -> {
-			host.router()?.openProxySettings()
-			false
-		}
+            is ProxyConfigException -> {
+                host.router.openProxySettings()
+                false
+            }
 
-		is NotFoundException -> {
-			openInBrowser(e.url)
-			false
-		}
+            is NotFoundException -> {
+                openInBrowser(e.url)
+                false
+            }
 
-		is UnsupportedSourceException -> {
-			e.manga?.let { openAlternatives(it) }
-			false
-		}
+            is EmptyMangaException -> {
+                when (e.reason) {
+                    EmptyMangaReason.NO_CHAPTERS -> openAlternatives(e.manga)
+                    EmptyMangaReason.LOADING_ERROR -> Unit
+                    EmptyMangaReason.RESTRICTED -> host.router.openBrowser(e.manga)
+                    else -> Unit
+                }
+                false
+            }
 
-		is ScrobblerAuthRequiredException -> {
-			val authHelper = scrobblerAuthHelperProvider.get()
-			if (authHelper.isAuthorized(e.scrobbler)) {
-				true
-			} else {
-				host.withContext {
-					authHelper.startAuth(this, e.scrobbler).onFailure(::showErrorDetails)
-				}
-				false
-			}
-		}
+            is UnsupportedSourceException -> {
+                e.manga?.let { openAlternatives(it) }
+                false
+            }
 
-		else -> false
-	}
+            is ScrobblerAuthRequiredException -> {
+                val authHelper = scrobblerAuthHelperProvider.get()
+                if (authHelper.isAuthorized(e.scrobbler)) {
+                    true
+                } else {
+                    host.withContext {
+                        authHelper.startAuth(this, e.scrobbler).onFailure(::showErrorDetails)
+                    }
+                    false
+                }
+            }
 
-	private suspend fun resolveBrowserAction(
-		e: InteractiveActionRequiredException
-	): Boolean = suspendCoroutine { cont ->
-		continuations[BrowserActivity.TAG] = cont
-		browserActionContract.launch(e)
-	}
+            else -> false
+        }
+    }.await()
 
-	private suspend fun resolveCF(e: CloudFlareProtectedException): Boolean = suspendCoroutine { cont ->
-		continuations[CloudFlareActivity.TAG] = cont
-		cloudflareContract.launch(e)
-	}
+    private suspend fun resolveBrowserAction(
+        e: InteractiveActionRequiredException
+    ): Boolean = suspendCoroutine { cont ->
+        continuations[BrowserActivity.TAG] = cont
+        browserActionContract.launch(e)
+    }
 
-	private suspend fun resolveAuthException(source: MangaSource): Boolean = suspendCoroutine { cont ->
-		continuations[SourceAuthActivity.TAG] = cont
-		sourceAuthContract.launch(source)
-	}
+    private suspend fun resolveCF(e: CloudFlareProtectedException): Boolean = suspendCoroutine { cont ->
+        continuations[CloudFlareActivity.TAG] = cont
+        cloudflareContract.launch(e)
+    }
 
-	private fun openInBrowser(url: String) {
-		host.router()?.openBrowser(url, null, null)
-	}
+    private suspend fun resolveAuthException(source: MangaSource): Boolean = suspendCoroutine { cont ->
+        continuations[SourceAuthActivity.TAG] = cont
+        sourceAuthContract.launch(source)
+    }
 
-	private fun openAlternatives(manga: Manga) {
-		host.router()?.openAlternatives(manga)
-	}
+    private fun openInBrowser(url: String) {
+        host.router.openBrowser(url, null, null)
+    }
 
-	private fun handleActivityResult(tag: String, result: Boolean) {
-		continuations.remove(tag)?.resume(result)
-	}
+    private fun openAlternatives(manga: Manga) {
+        host.router.openAlternatives(manga)
+    }
 
-	private fun showSslErrorDialog() {
-		val ctx = host.getContext() ?: return
-		if (settings.isSSLBypassEnabled) {
-			Toast.makeText(ctx, R.string.operation_not_supported, Toast.LENGTH_SHORT).show()
-			return
-		}
-		buildAlertDialog(ctx) {
-			setTitle(R.string.ignore_ssl_errors)
-			setMessage(R.string.ignore_ssl_errors_summary)
-			setPositiveButton(R.string.apply) { _, _ ->
-				settings.isSSLBypassEnabled = true
-				Toast.makeText(ctx, R.string.settings_apply_restart_required, Toast.LENGTH_LONG).show()
-				ctx.restartApplication()
-			}
-			setNegativeButton(android.R.string.cancel, null)
-		}.show()
-	}
+    private fun handleActivityResult(tag: String, result: Boolean) {
+        continuations.remove(tag)?.resume(result)
+    }
 
-	private inline fun Host.withContext(block: Context.() -> Unit) {
-		getContext()?.apply(block)
-	}
+    private fun showSslErrorDialog() {
+        val ctx = host.context ?: return
+        if (settings.isSSLBypassEnabled) {
+            Toast.makeText(ctx, R.string.operation_not_supported, Toast.LENGTH_SHORT).show()
+            return
+        }
+        buildAlertDialog(ctx) {
+            setTitle(R.string.ignore_ssl_errors)
+            setMessage(R.string.ignore_ssl_errors_summary)
+            setPositiveButton(R.string.apply) { _, _ ->
+                settings.isSSLBypassEnabled = true
+                Toast.makeText(ctx, R.string.settings_apply_restart_required, Toast.LENGTH_LONG).show()
+                ctx.restartApplication()
+            }
+            setNegativeButton(android.R.string.cancel, null)
+        }.show()
+    }
 
-	private fun Host.router(): AppRouter? = when (this) {
-		is FragmentActivity -> router
-		is Fragment -> router
-		else -> null
-	}
+    class Factory @Inject constructor(
+        private val settings: AppSettings,
+        private val scrobblerAuthHelperProvider: Provider<ScrobblerAuthHelper>,
+    ) {
 
-	interface Host : ActivityResultCaller {
+        fun create(fragment: Fragment) = ExceptionResolver(
+            host = Host.FragmentHost(fragment),
+            settings = settings,
+            scrobblerAuthHelperProvider = scrobblerAuthHelperProvider,
+        )
 
-		fun getChildFragmentManager(): FragmentManager
+        fun create(activity: FragmentActivity) = ExceptionResolver(
+            host = Host.ActivityHost(activity),
+            settings = settings,
+            scrobblerAuthHelperProvider = scrobblerAuthHelperProvider,
+        )
+    }
 
-		fun getContext(): Context?
-	}
+    private sealed interface Host : ActivityResultCaller, LifecycleOwner {
 
-	@AssistedFactory
-	interface Factory {
+        val context: Context?
 
-		fun create(host: Host): ExceptionResolver
-	}
+        val router: AppRouter
 
-	companion object {
+        val fragmentManager: FragmentManager
 
-		@StringRes
-		fun getResolveStringId(e: Throwable) = when (e) {
-			is CloudFlareProtectedException -> R.string.captcha_solve
-			is ScrobblerAuthRequiredException,
-			is AuthRequiredException -> R.string.sign_in
+        inline fun withContext(block: Context.() -> Unit) {
+            context?.apply(block)
+        }
 
-			is NotFoundException -> if (e.url.isHttpUrl()) 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
+        class ActivityHost(val activity: FragmentActivity) : Host,
+            ActivityResultCaller by activity,
+            LifecycleOwner by activity {
 
-			is ProxyConfigException -> R.string.settings
+            override val context: Context
+                get() = activity
 
-			is InteractiveActionRequiredException -> R.string._continue
+            override val router: AppRouter
+                get() = activity.router
 
-			else -> 0
-		}
+            override val fragmentManager: FragmentManager
+                get() = activity.supportFragmentManager
+        }
 
-		fun canResolve(e: Throwable) = getResolveStringId(e) != 0
-	}
+        class FragmentHost(val fragment: Fragment) : Host,
+            ActivityResultCaller by fragment {
+
+            override val context: Context?
+                get() = fragment.context
+
+            override val router: AppRouter
+                get() = fragment.router
+
+            override val fragmentManager: FragmentManager
+                get() = fragment.childFragmentManager
+
+            override val lifecycle: Lifecycle
+                get() = fragment.viewLifecycleOwner.lifecycle
+        }
+    }
+
+    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.isHttpUrl()) 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
+
+            is InteractiveActionRequiredException -> R.string._continue
+
+            is EmptyMangaException -> when (e.reason) {
+                EmptyMangaReason.RESTRICTED -> if (e.manga.publicUrl.isHttpUrl()) R.string.open_in_browser else 0
+                EmptyMangaReason.NO_CHAPTERS -> R.string.alternatives
+                else -> 0
+            }
+
+            else -> 0
+        }
+
+        fun canResolve(e: Throwable) = getResolveStringId(e) != 0
+    }
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/image/MangaSourceHeaderInterceptor.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.core.image
 import coil3.intercept.Interceptor
 import coil3.network.httpHeaders
 import coil3.request.ImageResult
+import org.koitharu.kotatsu.core.model.unwrap
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.util.ext.mangaSourceKey
 import org.koitharu.kotatsu.parsers.model.MangaParserSource
@@ -10,7 +11,7 @@ import org.koitharu.kotatsu.parsers.model.MangaParserSource
 class MangaSourceHeaderInterceptor : Interceptor {
 
 	override suspend fun intercept(chain: Interceptor.Chain): ImageResult {
-		val mangaSource = chain.request.extras[mangaSourceKey] as? MangaParserSource ?: return chain.proceed()
+		val mangaSource = chain.request.extras[mangaSourceKey]?.unwrap() as? MangaParserSource ?: return chain.proceed()
 		val request = chain.request
 		val newHeaders = request.httpHeaders.newBuilder()
 			.set(CommonHeaders.MANGA_SOURCE, mangaSource.name)

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

@@ -55,6 +55,7 @@ val MangaState.titleResId: Int
 		MangaState.ABANDONED -> R.string.state_abandoned
 		MangaState.PAUSED -> R.string.state_paused
 		MangaState.UPCOMING -> R.string.state_upcoming
+		MangaState.RESTRICTED -> R.string.unavailable
 	}
 
 @get:DrawableRes
@@ -65,6 +66,7 @@ val MangaState.iconResId: Int
 		MangaState.ABANDONED -> R.drawable.ic_state_abandoned
 		MangaState.PAUSED -> R.drawable.ic_action_pause
 		MangaState.UPCOMING -> materialR.drawable.ic_clock_black_24dp
+		MangaState.RESTRICTED -> R.drawable.ic_disable
 	}
 
 @get:StringRes

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

@@ -28,11 +28,15 @@ data object UnknownMangaSource : MangaSource {
 	override val name = "UNKNOWN"
 }
 
+data object TestMangaSource : MangaSource {
+	override val name = "TEST"
+}
+
 fun MangaSource(name: String?): MangaSource {
 	when (name ?: return UnknownMangaSource) {
 		UnknownMangaSource.name -> return UnknownMangaSource
-
 		LocalMangaSource.name -> return LocalMangaSource
+		TestMangaSource.name -> return TestMangaSource
 	}
 	if (name.startsWith("content:")) {
 		val parts = name.substringAfter(':').splitTwoParts('/') ?: return UnknownMangaSource
@@ -92,6 +96,7 @@ fun MangaSource.getSummary(context: Context): String? = when (val source = unwra
 fun MangaSource.getTitle(context: Context): String = when (val source = unwrap()) {
 	is MangaParserSource -> source.title
 	LocalMangaSource -> context.getString(R.string.local_storage)
+	TestMangaSource -> context.getString(R.string.test_parser)
 	is ExternalMangaSource -> source.resolveName(context)
 	else -> context.getString(R.string.unknown)
 }

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

@@ -0,0 +1,20 @@
+package org.koitharu.kotatsu.core.model
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.descriptors.serialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import org.koitharu.kotatsu.parsers.model.MangaSource
+
+object MangaSourceSerializer : KSerializer<MangaSource> {
+
+    override val descriptor: SerialDescriptor = serialDescriptor<String>()
+
+    override fun serialize(
+        encoder: Encoder,
+        value: MangaSource
+    ) = encoder.encodeString(value.name)
+
+    override fun deserialize(decoder: Decoder): MangaSource = MangaSource(decoder.decodeString())
+}

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

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.core.network
 
-import android.util.Log
 import dagger.Lazy
 import okhttp3.Headers
 import okhttp3.Interceptor
@@ -36,7 +35,8 @@ class CommonHeadersInterceptor @Inject constructor(
 			mangaRepositoryFactoryLazy.get().create(source) as? ParserMangaRepository
 		} else {
 			if (BuildConfig.DEBUG && source == null) {
-				Log.w("Http", "Request without source tag: ${request.url}")
+				IllegalArgumentException("Request without source tag: ${request.url}")
+					.printStackTrace()
 			}
 			null
 		}

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

@@ -5,7 +5,6 @@ import androidx.annotation.WorkerThread
 import androidx.core.util.Predicate
 import okhttp3.Cookie
 import okhttp3.HttpUrl
-import org.koitharu.kotatsu.parsers.util.newBuilder
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 

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

@@ -0,0 +1,30 @@
+package org.koitharu.kotatsu.core.network.webview
+
+import android.graphics.Bitmap
+import android.webkit.WebView
+import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
+import org.koitharu.kotatsu.parsers.network.CloudFlareHelper
+import kotlin.coroutines.Continuation
+
+class CaptchaContinuationClient(
+	private val cookieJar: MutableCookieJar,
+	private val targetUrl: String,
+	continuation: Continuation<Unit>,
+) : ContinuationResumeWebViewClient(continuation) {
+
+	private val oldClearance = CloudFlareHelper.getClearanceCookie(cookieJar, targetUrl)
+
+	override fun onPageFinished(view: WebView?, url: String?) = Unit
+
+	override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+		super.onPageStarted(view, url, favicon)
+		checkClearance(view)
+	}
+
+	private fun checkClearance(view: WebView?) {
+		val clearance = CloudFlareHelper.getClearanceCookie(cookieJar, targetUrl)
+		if (clearance != null && clearance != oldClearance) {
+			resumeContinuation(view)
+		}
+	}
+}

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

@@ -2,15 +2,22 @@ package org.koitharu.kotatsu.core.network.webview
 
 import android.webkit.WebView
 import android.webkit.WebViewClient
+import kotlinx.coroutines.CancellableContinuation
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
 
-class ContinuationResumeWebViewClient(
+open class ContinuationResumeWebViewClient(
 	private val continuation: Continuation<Unit>,
 ) : WebViewClient() {
 
 	override fun onPageFinished(view: WebView?, url: String?) {
-		view?.webViewClient = WebViewClient() // reset to default
-		continuation.resume(Unit)
+		resumeContinuation(view)
+	}
+
+	protected fun resumeContinuation(view: WebView?) {
+		if (continuation !is CancellableContinuation || continuation.isActive) {
+			view?.webViewClient = WebViewClient() // reset to default
+			continuation.resume(Unit)
+		}
 	}
 }

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

@@ -0,0 +1,134 @@
+package org.koitharu.kotatsu.core.network.webview
+
+import android.content.Context
+import android.util.AndroidRuntimeException
+import android.webkit.WebSettings
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.annotation.MainThread
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.suspendCancellableCoroutine
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.withContext
+import kotlinx.coroutines.withTimeout
+import org.koitharu.kotatsu.core.exceptions.CloudFlareException
+import org.koitharu.kotatsu.core.network.CommonHeaders
+import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
+import org.koitharu.kotatsu.core.network.proxy.ProxyProvider
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.core.parser.ParserMangaRepository
+import org.koitharu.kotatsu.core.util.ext.configureForParser
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import java.lang.ref.WeakReference
+import javax.inject.Inject
+import javax.inject.Provider
+import javax.inject.Singleton
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+
+@Singleton
+class WebViewExecutor @Inject constructor(
+	@ApplicationContext private val context: Context,
+	private val proxyProvider: ProxyProvider,
+	private val cookieJar: MutableCookieJar,
+	private val mangaRepositoryFactoryProvider: Provider<MangaRepository.Factory>,
+) {
+
+	private var webViewCached: WeakReference<WebView>? = null
+	private val mutex = Mutex()
+
+	val defaultUserAgent: String? by lazy {
+		try {
+			WebSettings.getDefaultUserAgent(context)
+		} catch (e: AndroidRuntimeException) {
+			e.printStackTraceDebug()
+			// Probably WebView is not available
+			null
+		}
+	}
+
+	suspend fun evaluateJs(baseUrl: String?, script: String): String? = mutex.withLock {
+		withContext(Dispatchers.Main.immediate) {
+			val webView = obtainWebView()
+			try {
+				if (!baseUrl.isNullOrEmpty()) {
+					suspendCoroutine { cont ->
+						webView.webViewClient = ContinuationResumeWebViewClient(cont)
+						webView.loadDataWithBaseURL(baseUrl, " ", "text/html", null, null)
+					}
+				}
+				suspendCoroutine { cont ->
+					webView.evaluateJavascript(script) { result ->
+						cont.resume(result?.takeUnless { it == "null" })
+					}
+				}
+			} finally {
+				webView.reset()
+			}
+		}
+	}
+
+	suspend fun tryResolveCaptcha(exception: CloudFlareException, timeout: Long): Boolean = mutex.withLock {
+		runCatchingCancellable {
+			withContext(Dispatchers.Main.immediate) {
+				val webView = obtainWebView()
+				try {
+					exception.source.getUserAgent()?.let {
+						webView.settings.userAgentString = it
+					}
+					withTimeout(timeout) {
+						suspendCancellableCoroutine { cont ->
+							webView.webViewClient = CaptchaContinuationClient(
+								cookieJar = cookieJar,
+								targetUrl = exception.url,
+								continuation = cont,
+							)
+							webView.loadUrl(exception.url)
+						}
+					}
+				} finally {
+					webView.reset()
+				}
+			}
+		}.onFailure { e ->
+			exception.addSuppressed(e)
+			e.printStackTraceDebug()
+		}.isSuccess
+	}
+
+	private suspend fun obtainWebView(): WebView {
+		webViewCached?.get()?.let {
+			return it
+		}
+		return withContext(Dispatchers.Main.immediate) {
+			webViewCached?.get()?.let {
+				return@withContext it
+			}
+			WebView(context).also {
+				it.configureForParser(null)
+				webViewCached = WeakReference(it)
+				proxyProvider.applyWebViewConfig()
+				it.onResume()
+				it.resumeTimers()
+			}
+		}
+	}
+
+	private fun MangaSource.getUserAgent(): String? {
+		val repository = mangaRepositoryFactoryProvider.get().create(this) as? ParserMangaRepository
+		return repository?.getRequestHeaders()?.get(CommonHeaders.USER_AGENT)
+	}
+
+	@MainThread
+	private fun WebView.reset() {
+		stopLoading()
+		webViewClient = WebViewClient()
+		settings.userAgentString = defaultUserAgent
+		loadDataWithBaseURL(null, " ", "text/html", null, null)
+		clearHistory()
+	}
+}

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

@@ -149,7 +149,7 @@ class AppShortcutManager @Inject constructor(
 			onSuccess = { IconCompat.createWithAdaptiveBitmap(it) },
 			onFailure = { IconCompat.createWithResource(context, R.drawable.ic_shortcut_default) },
 		)
-		mangaRepository.storeManga(manga)
+		mangaRepository.storeManga(manga, replaceExisting = true)
 		val title = manga.title.ifEmpty {
 			manga.altTitles.firstOrNull()
 		}.ifNullOrEmpty {
@@ -173,6 +173,7 @@ class AppShortcutManager @Inject constructor(
 			coil.execute(
 				ImageRequest.Builder(context)
 					.data(source.faviconUri())
+					.mangaSourceExtra(source)
 					.size(iconSize)
 					.scale(Scale.FIT)
 					.build(),

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

@@ -80,12 +80,7 @@ class NetworkState(
 			if (settings.isOfflineCheckDisabled) {
 				return true
 			}
-			return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-				activeNetwork?.let { isOnline(it) } == true
-			} else {
-				@Suppress("DEPRECATION")
-				activeNetworkInfo?.isConnected == true
-			}
+			return activeNetwork?.let { isOnline(it) } == true
 		}
 
 		private fun ConnectivityManager.isOnline(network: Network): Boolean {

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

@@ -13,7 +13,6 @@ import androidx.activity.result.contract.ActivityResultContract
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.RequiresApi
 import androidx.core.app.ActivityOptionsCompat
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 
 // https://stackoverflow.com/questions/77555641/saf-no-activity-found-to-handle-intent-android-intent-action-open-document-tr
 class OpenDocumentTreeHelper(
@@ -28,38 +27,42 @@ class OpenDocumentTreeHelper(
 		callback,
 	)
 
-	private val pickFileTreeLauncherQ = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-		activityResultCaller.registerForActivityResult(OpenDocumentTreeContractQ(flags), callback)
+	private val pickFileTreeLauncherPrimaryStorage = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+		activityResultCaller.registerForActivityResult(OpenDocumentTreeContractPrimaryStorage(flags), callback)
 	} else {
 		null
 	}
-	private val pickFileTreeLauncherLegacy = activityResultCaller.registerForActivityResult(
-		contract = OpenDocumentTreeContractLegacy(flags),
+	private val pickFileTreeLauncherDefault = activityResultCaller.registerForActivityResult(
+		contract = OpenDocumentTreeContractDefault(flags),
 		callback = callback,
 	)
 
 	override fun launch(input: Uri?, options: ActivityOptionsCompat?) {
-		if (pickFileTreeLauncherQ == null) {
-			pickFileTreeLauncherLegacy.launch(input, options)
-			return
-		}
 		try {
-			pickFileTreeLauncherQ.launch(input, options)
+			pickFileTreeLauncherDefault.launch(input, options)
 		} catch (e: Exception) {
-			e.printStackTraceDebug()
-			pickFileTreeLauncherLegacy.launch(input, options)
+			if (pickFileTreeLauncherPrimaryStorage != null) {
+				try {
+					pickFileTreeLauncherPrimaryStorage.launch(input, options)
+				} catch (e2: Exception) {
+					e.addSuppressed(e2)
+					throw e
+				}
+			} else {
+				throw e
+			}
 		}
 	}
 
 	override fun unregister() {
-		pickFileTreeLauncherQ?.unregister()
-		pickFileTreeLauncherLegacy.unregister()
+		pickFileTreeLauncherPrimaryStorage?.unregister()
+		pickFileTreeLauncherDefault.unregister()
 	}
 
 	override val contract: ActivityResultContract<Uri?, *>
-		get() = pickFileTreeLauncherQ?.contract ?: pickFileTreeLauncherLegacy.contract
+		get() = pickFileTreeLauncherPrimaryStorage?.contract ?: pickFileTreeLauncherDefault.contract
 
-	private open class OpenDocumentTreeContractLegacy(
+	private open class OpenDocumentTreeContractDefault(
 		private val flags: Int,
 	) : ActivityResultContracts.OpenDocumentTree() {
 
@@ -71,9 +74,9 @@ class OpenDocumentTreeHelper(
 	}
 
 	@RequiresApi(Build.VERSION_CODES.Q)
-	private class OpenDocumentTreeContractQ(
+	private class OpenDocumentTreeContractPrimaryStorage(
 		private val flags: Int,
-	) : OpenDocumentTreeContractLegacy(flags) {
+	) : OpenDocumentTreeContractDefault(flags) {
 
 		override fun createIntent(context: Context, input: Uri?): Intent {
 			val intent = (context.getSystemService(Context.STORAGE_SERVICE) as? StorageManager)

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

@@ -1,42 +0,0 @@
-package org.koitharu.kotatsu.core.parser
-
-import org.koitharu.kotatsu.core.exceptions.UnsupportedSourceException
-import org.koitharu.kotatsu.parsers.MangaLoaderContext
-import org.koitharu.kotatsu.parsers.config.ConfigKey
-import org.koitharu.kotatsu.parsers.core.AbstractMangaParser
-import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.model.MangaChapter
-import org.koitharu.kotatsu.parsers.model.MangaListFilterOptions
-import org.koitharu.kotatsu.parsers.model.MangaPage
-import org.koitharu.kotatsu.parsers.model.MangaParserSource
-import org.koitharu.kotatsu.parsers.model.SortOrder
-import org.koitharu.kotatsu.parsers.model.search.MangaSearchQuery
-import org.koitharu.kotatsu.parsers.model.search.MangaSearchQueryCapabilities
-import java.util.EnumSet
-
-/**
- * This parser is just for parser development, it should not be used in releases
- */
-class DummyParser(context: MangaLoaderContext) : AbstractMangaParser(context, MangaParserSource.DUMMY) {
-
-	override val configKeyDomain: ConfigKey.Domain
-		get() = ConfigKey.Domain("localhost")
-
-	override val availableSortOrders: Set<SortOrder>
-		get() = EnumSet.allOf(SortOrder::class.java)
-
-	override val searchQueryCapabilities: MangaSearchQueryCapabilities
-		get() = MangaSearchQueryCapabilities()
-
-	override suspend fun getDetails(manga: Manga): Manga = stub(manga)
-
-	override suspend fun getFilterOptions(): MangaListFilterOptions = stub(null)
-
-	override suspend fun getList(query: MangaSearchQuery): List<Manga> = stub(null)
-
-	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> = stub(null)
-
-	private fun stub(manga: Manga?): Nothing {
-		throw UnsupportedSourceException("Usage of Dummy parser", manga)
-	}
-}

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

@@ -11,7 +11,7 @@ import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import java.util.EnumSet
 
-class EmptyMangaRepository(override val source: MangaSource) : MangaRepository {
+open class EmptyMangaRepository(override val source: MangaSource) : MangaRepository {
 
 	override val sortOrders: Set<SortOrder>
 		get() = EnumSet.allOf(SortOrder::class.java)

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

@@ -9,6 +9,8 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.core.db.TABLE_FAVOURITES
+import org.koitharu.kotatsu.core.db.TABLE_FAVOURITE_CATEGORIES
 import org.koitharu.kotatsu.core.db.TABLE_PREFERENCES
 import org.koitharu.kotatsu.core.db.entity.ContentRating
 import org.koitharu.kotatsu.core.db.entity.MangaPrefsEntity
@@ -41,7 +43,7 @@ class MangaDataRepository @Inject constructor(
 
 	suspend fun saveReaderMode(manga: Manga, mode: ReaderMode) {
 		db.withTransaction {
-			storeManga(manga)
+			storeManga(manga, replaceExisting = false)
 			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
 			db.getPreferencesDao().upsert(entity.copy(mode = mode.id))
 		}
@@ -49,7 +51,7 @@ class MangaDataRepository @Inject constructor(
 
 	suspend fun saveColorFilter(manga: Manga, colorFilter: ReaderColorFilter?) {
 		db.withTransaction {
-			storeManga(manga)
+			storeManga(manga, replaceExisting = false)
 			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
 			db.getPreferencesDao().upsert(
 				entity.copy(
@@ -87,10 +89,11 @@ class MangaDataRepository @Inject constructor(
 		return map
 	}
 
-	suspend fun setOverride(mangaId: Long, override: MangaOverride?) {
+	suspend fun setOverride(manga: Manga, override: MangaOverride?) {
 		db.withTransaction {
+			storeManga(manga, replaceExisting = false)
 			val dao = db.getPreferencesDao()
-			val entity = dao.find(mangaId) ?: newEntity(mangaId)
+			val entity = dao.find(manga.id) ?: newEntity(manga.id)
 			dao.upsert(
 				entity.copy(
 					titleOverride = override?.title?.nullIfEmpty(),
@@ -127,7 +130,10 @@ class MangaDataRepository @Inject constructor(
 		else -> null
 	}
 
-	suspend fun storeManga(manga: Manga) {
+	suspend fun storeManga(manga: Manga, replaceExisting: Boolean) {
+		if (!replaceExisting && db.getMangaDao().find(manga.id) != null) {
+			return
+		}
 		db.withTransaction {
 			// avoid storing local manga if remote one is already stored
 			val existing = if (manga.isLocal) {
@@ -185,7 +191,12 @@ class MangaDataRepository @Inject constructor(
 		emitInitialState = emitInitialState,
 	)
 
-	private suspend fun Manga.withCachedChaptersIfNeeded(flag: Boolean): Manga = if (flag && chapters.isNullOrEmpty()) {
+	fun observeFavoritesTrigger(emitInitialState: Boolean) = db.invalidationTracker.createFlow(
+		tables = arrayOf(TABLE_FAVOURITES, TABLE_FAVOURITE_CATEGORIES),
+		emitInitialState = emitInitialState,
+	)
+
+	private suspend fun Manga.withCachedChaptersIfNeeded(flag: Boolean): Manga = if (flag && !isLocal && chapters.isNullOrEmpty()) {
 		val cachedChapters = db.getChaptersDao().findAll(id)
 		if (cachedChapters.isEmpty()) {
 			this
@@ -197,8 +208,14 @@ class MangaDataRepository @Inject constructor(
 	}
 
 	private fun MangaPrefsEntity.getColorFilterOrNull(): ReaderColorFilter? {
-		return if (cfBrightness != 0f || cfContrast != 0f || cfInvert || cfGrayscale) {
-			ReaderColorFilter(cfBrightness, cfContrast, cfInvert, cfGrayscale)
+		return if (cfBrightness != 0f || cfContrast != 0f || cfInvert || cfGrayscale || cfBookEffect) {
+			ReaderColorFilter(
+				brightness = cfBrightness,
+				contrast = cfContrast,
+				isInverted = cfInvert,
+				isGrayscale = cfGrayscale,
+				isBookBackground = cfBookEffect
+			)
 		} else {
 			null
 		}
@@ -219,10 +236,11 @@ class MangaDataRepository @Inject constructor(
 	private fun newEntity(mangaId: Long) = MangaPrefsEntity(
 		mangaId = mangaId,
 		mode = -1,
-		cfBrightness = 0f,
-		cfContrast = 0f,
-		cfInvert = false,
-		cfGrayscale = false,
+		cfBrightness = ReaderColorFilter.EMPTY.brightness,
+		cfContrast = ReaderColorFilter.EMPTY.contrast,
+		cfInvert = ReaderColorFilter.EMPTY.isInverted,
+		cfGrayscale = ReaderColorFilter.EMPTY.isGrayscale,
+		cfBookEffect = ReaderColorFilter.EMPTY.isBookBackground,
 		titleOverride = null,
 		coverUrlOverride = null,
 		contentRatingOverride = null,

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

@@ -3,15 +3,8 @@ package org.koitharu.kotatsu.core.parser
 import android.annotation.SuppressLint
 import android.content.Context
 import android.util.Base64
-import android.webkit.WebView
-import androidx.annotation.MainThread
 import androidx.core.os.LocaleListCompat
 import dagger.hilt.android.qualifiers.ApplicationContext
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.runBlocking
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-import kotlinx.coroutines.withContext
 import kotlinx.coroutines.withTimeout
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
@@ -22,11 +15,8 @@ import org.koitharu.kotatsu.core.exceptions.InteractiveActionRequiredException
 import org.koitharu.kotatsu.core.image.BitmapDecoderCompat
 import org.koitharu.kotatsu.core.network.MangaHttpClient
 import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
-import org.koitharu.kotatsu.core.network.webview.ContinuationResumeWebViewClient
+import org.koitharu.kotatsu.core.network.webview.WebViewExecutor
 import org.koitharu.kotatsu.core.prefs.SourceSettings
-import org.koitharu.kotatsu.core.util.ext.configureForParser
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
-import org.koitharu.kotatsu.core.util.ext.sanitizeHeaderValue
 import org.koitharu.kotatsu.core.util.ext.toList
 import org.koitharu.kotatsu.core.util.ext.toMimeType
 import org.koitharu.kotatsu.core.util.ext.use
@@ -37,25 +27,19 @@ import org.koitharu.kotatsu.parsers.config.MangaSourceConfig
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.network.UserAgents
 import org.koitharu.kotatsu.parsers.util.map
-import java.lang.ref.WeakReference
 import java.util.Locale
 import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 import javax.inject.Singleton
-import kotlin.coroutines.EmptyCoroutineContext
-import kotlin.coroutines.resume
-import kotlin.coroutines.suspendCoroutine
 
 @Singleton
 class MangaLoaderContextImpl @Inject constructor(
 	@MangaHttpClient override val httpClient: OkHttpClient,
 	override val cookieJar: MutableCookieJar,
 	@ApplicationContext private val androidContext: Context,
+	private val webViewExecutor: WebViewExecutor,
 ) : MangaLoaderContext() {
 
-	private var webViewCached: WeakReference<WebView>? = null
-	private val webViewUserAgent by lazy { obtainWebViewUserAgent() }
-	private val jsMutex = Mutex()
 	private val jsTimeout = TimeUnit.SECONDS.toMillis(4)
 
 	@Deprecated("Provide a base url")
@@ -63,25 +47,10 @@ class MangaLoaderContextImpl @Inject constructor(
 	override suspend fun evaluateJs(script: String): String? = evaluateJs("", script)
 
 	override suspend fun evaluateJs(baseUrl: String, script: String): String? = withTimeout(jsTimeout) {
-		jsMutex.withLock {
-			withContext(Dispatchers.Main.immediate) {
-				val webView = obtainWebView()
-				if (baseUrl.isNotEmpty()) {
-					suspendCoroutine { cont ->
-						webView.webViewClient = ContinuationResumeWebViewClient(cont)
-						webView.loadDataWithBaseURL(baseUrl, " ", "text/html", null, null)
-					}
-				}
-				suspendCoroutine { cont ->
-					webView.evaluateJavascript(script) { result ->
-						cont.resume(result?.takeUnless { it == "null" })
-					}
-				}
-			}
-		}
+		webViewExecutor.evaluateJs(baseUrl, script)
 	}
 
-	override fun getDefaultUserAgent(): String = webViewUserAgent
+	override fun getDefaultUserAgent(): String = webViewExecutor.defaultUserAgent ?: UserAgents.FIREFOX_MOBILE
 
 	override fun getConfig(source: MangaSource): MangaSourceConfig {
 		return SourceSettings(androidContext, source)
@@ -118,28 +87,4 @@ class MangaLoaderContextImpl @Inject constructor(
 	}
 
 	override fun createBitmap(width: Int, height: Int): Bitmap = BitmapWrapper.create(width, height)
-
-	@MainThread
-	private fun obtainWebView(): WebView = webViewCached?.get() ?: WebView(androidContext).also {
-		it.configureForParser(null)
-		webViewCached = WeakReference(it)
-	}
-
-	private fun obtainWebViewUserAgent(): String {
-		val mainDispatcher = Dispatchers.Main.immediate
-		return if (!mainDispatcher.isDispatchNeeded(EmptyCoroutineContext)) {
-			obtainWebViewUserAgentImpl()
-		} else {
-			runBlocking(mainDispatcher) {
-				obtainWebViewUserAgentImpl()
-			}
-		}
-	}
-
-	@MainThread
-	private fun obtainWebViewUserAgentImpl() = runCatching {
-		obtainWebView().settings.userAgentString.sanitizeHeaderValue()
-	}.onFailure { e ->
-		e.printStackTraceDebug()
-	}.getOrDefault(UserAgents.FIREFOX_MOBILE)
 }

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

@@ -1,12 +0,0 @@
-package org.koitharu.kotatsu.core.parser
-
-import org.koitharu.kotatsu.parsers.MangaLoaderContext
-import org.koitharu.kotatsu.parsers.MangaParser
-import org.koitharu.kotatsu.parsers.model.MangaParserSource
-
-fun MangaParser(source: MangaParserSource, loaderContext: MangaLoaderContext): MangaParser {
-	return when (source) {
-		MangaParserSource.DUMMY -> DummyParser(loaderContext)
-		else -> loaderContext.newParserInstance(source)
-	}
-}

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

@@ -7,6 +7,7 @@ import dagger.hilt.android.qualifiers.ApplicationContext
 import org.koitharu.kotatsu.core.cache.MemoryContentCache
 import org.koitharu.kotatsu.core.model.LocalMangaSource
 import org.koitharu.kotatsu.core.model.MangaSourceInfo
+import org.koitharu.kotatsu.core.model.TestMangaSource
 import org.koitharu.kotatsu.core.model.UnknownMangaSource
 import org.koitharu.kotatsu.core.parser.external.ExternalMangaRepository
 import org.koitharu.kotatsu.core.parser.external.ExternalMangaSource
@@ -85,11 +86,16 @@ interface MangaRepository {
 
 		private fun createRepository(source: MangaSource): MangaRepository? = when (source) {
 			is MangaParserSource -> ParserMangaRepository(
-				parser = MangaParser(source, loaderContext),
+				parser = loaderContext.newParserInstance(source),
 				cache = contentCache,
 				mirrorSwitcher = mirrorSwitcher,
 			)
 
+			TestMangaSource -> TestMangaRepository(
+				loaderContext = loaderContext,
+				cache = contentCache,
+			)
+
 			is ExternalMangaSource -> if (source.isAvailable(context)) {
 				ExternalMangaRepository(
 					contentResolver = context.contentResolver,

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

@@ -53,6 +53,9 @@ class ExternalPluginContentSource(
 		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) }
+		if (!filter.author.isNullOrEmpty()) {
+			uri.appendQueryParameter("author", filter.author)
+		}
 		if (!filter.query.isNullOrEmpty()) {
 			uri.appendQueryParameter("query", filter.query)
 		}
@@ -196,6 +199,7 @@ class ExternalPluginContentSource(
 							isYearSupported = cursor.getBooleanOrDefault(COLUMN_YEAR, false),
 							isYearRangeSupported = cursor.getBooleanOrDefault(COLUMN_YEAR_RANGE, false),
 							isOriginalLocaleSupported = cursor.getBooleanOrDefault(COLUMN_ORIGINAL_LOCALE, false),
+							isAuthorSearchSupported = cursor.getBooleanOrDefault(COLUMN_AUTHOR, false),
 						),
 					)
 				} else {

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

@@ -10,15 +10,21 @@ import coil3.ColorImage
 import coil3.ImageLoader
 import coil3.asImage
 import coil3.decode.DataSource
+import coil3.decode.ImageSource
 import coil3.fetch.FetchResult
 import coil3.fetch.Fetcher
 import coil3.fetch.ImageFetchResult
+import coil3.fetch.SourceFetchResult
 import coil3.request.Options
 import coil3.size.pxOrElse
 import coil3.toAndroidUri
+import coil3.toBitmap
+import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.runInterruptible
+import okio.FileSystem
 import okio.IOException
+import okio.Path.Companion.toOkioPath
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.model.MangaSource
@@ -26,9 +32,16 @@ import org.koitharu.kotatsu.core.parser.EmptyMangaRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.ParserMangaRepository
 import org.koitharu.kotatsu.core.parser.external.ExternalMangaRepository
+import org.koitharu.kotatsu.core.util.MimeTypes
 import org.koitharu.kotatsu.core.util.ext.fetch
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import org.koitharu.kotatsu.core.util.ext.toMimeTypeOrNull
+import org.koitharu.kotatsu.local.data.FaviconCache
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
-import kotlin.coroutines.coroutineContext
+import org.koitharu.kotatsu.local.data.LocalStorageCache
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import java.io.File
+import javax.inject.Inject
 import coil3.Uri as CoilUri
 
 class FaviconFetcher(
@@ -36,6 +49,7 @@ class FaviconFetcher(
 	private val options: Options,
 	private val imageLoader: ImageLoader,
 	private val mangaRepositoryFactory: MangaRepository.Factory,
+	private val localStorageCache: LocalStorageCache,
 ) : Fetcher {
 
 	override suspend fun fetch(): FetchResult? {
@@ -61,15 +75,29 @@ class FaviconFetcher(
 			options.size.width.pxOrElse { FALLBACK_SIZE },
 			options.size.height.pxOrElse { FALLBACK_SIZE },
 		)
+		val cacheKey = options.diskCacheKey ?: "${repository.source.name}_$sizePx"
+		if (options.diskCachePolicy.readEnabled) {
+			localStorageCache[cacheKey]?.let { file ->
+				return SourceFetchResult(
+					source = ImageSource(file.toOkioPath(), FileSystem.SYSTEM),
+					mimeType = MimeTypes.probeMimeType(file)?.toString(),
+					dataSource = DataSource.DISK,
+				)
+			}
+		}
 		var favicons = repository.getFavicons()
 		var lastError: Exception? = null
 		while (favicons.isNotEmpty()) {
-			coroutineContext.ensureActive()
+			currentCoroutineContext().ensureActive()
 			val icon = favicons.find(sizePx) ?: throwNSEE(lastError)
 			try {
 				val result = imageLoader.fetch(icon.url, options)
 				if (result != null) {
-					return result
+					return if (options.diskCachePolicy.writeEnabled) {
+						writeToCache(cacheKey, result)
+					} else {
+						result
+					}
 				} else {
 					favicons -= icon
 				}
@@ -97,8 +125,39 @@ class FaviconFetcher(
 		)
 	}
 
-	class Factory(
+	private suspend fun writeToCache(key: String, result: FetchResult): FetchResult = runCatchingCancellable {
+		when (result) {
+			is ImageFetchResult -> {
+				if (result.dataSource == DataSource.NETWORK) {
+					localStorageCache.set(key, result.image.toBitmap()).asFetchResult()
+				} else {
+					result
+				}
+			}
+
+			is SourceFetchResult -> {
+				if (result.dataSource == DataSource.NETWORK) {
+					result.source.source().use {
+						localStorageCache.set(key, it, result.mimeType?.toMimeTypeOrNull()).asFetchResult()
+					}
+				} else {
+					result
+				}
+			}
+		}
+	}.onFailure {
+		it.printStackTraceDebug()
+	}.getOrDefault(result)
+
+	private fun File.asFetchResult() = SourceFetchResult(
+		source = ImageSource(toOkioPath(), FileSystem.SYSTEM),
+		mimeType = MimeTypes.probeMimeType(this)?.toString(),
+		dataSource = DataSource.DISK,
+	)
+
+	class Factory @Inject constructor(
 		private val mangaRepositoryFactory: MangaRepository.Factory,
+		@FaviconCache private val faviconCache: LocalStorageCache,
 	) : Fetcher.Factory<CoilUri> {
 
 		override fun create(
@@ -106,7 +165,7 @@ class FaviconFetcher(
 			options: Options,
 			imageLoader: ImageLoader
 		): Fetcher? = if (data.scheme == URI_SCHEME_FAVICON) {
-			FaviconFetcher(data.toAndroidUri(), options, imageLoader, mangaRepositoryFactory)
+			FaviconFetcher(data.toAndroidUri(), options, imageLoader, mangaRepositoryFactory, faviconCache)
 		} else {
 			null
 		}

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

@@ -15,12 +15,17 @@ import androidx.core.os.LocaleListCompat
 import androidx.documentfile.provider.DocumentFile
 import androidx.preference.PreferenceManager
 import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.onStart
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.ZoomMode
 import org.koitharu.kotatsu.core.network.DoHProvider
 import org.koitharu.kotatsu.core.util.ext.connectivityManager
 import org.koitharu.kotatsu.core.util.ext.getEnumValue
-import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.observeChanges
 import org.koitharu.kotatsu.core.util.ext.putAll
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
@@ -82,6 +87,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isNavBarPinned: Boolean
 		get() = prefs.getBoolean(KEY_NAV_PINNED, false)
 
+	val isMainFabEnabled: Boolean
+		get() = prefs.getBoolean(KEY_MAIN_FAB, true)
+
 	var gridSize: Int
 		get() = prefs.getInt(KEY_GRID_SIZE, 100)
 		set(value) = prefs.edit { putInt(KEY_GRID_SIZE, value) }
@@ -130,6 +138,11 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_READER_DOUBLE_PAGES, false)
 		set(value) = prefs.edit { putBoolean(KEY_READER_DOUBLE_PAGES, value) }
 
+	@get:FloatRange(0.0, 1.0)
+	var readerDoublePagesSensitivity: Float
+		get() = prefs.getFloat(KEY_READER_DOUBLE_PAGES_SENSITIVITY, 0.5f)
+		set(@FloatRange(0.0, 1.0) value) = prefs.edit { putFloat(KEY_READER_DOUBLE_PAGES_SENSITIVITY, value) }
+
 	val readerScreenOrientation: Int
 		get() = prefs.getString(KEY_READER_ORIENTATION, null)?.toIntOrNull()
 			?: ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
@@ -143,6 +156,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isReaderControlAlwaysLTR: Boolean
 		get() = prefs.getBoolean(KEY_READER_CONTROL_LTR, false)
 
+	val isReaderNavigationInverted: Boolean
+		get() = prefs.getBoolean(KEY_READER_NAVIGATION_INVERTED, false)
+
 	val isReaderFullscreenEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_FULLSCREEN, true)
 
@@ -393,24 +409,37 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isReaderBarTransparent: Boolean
 		get() = prefs.getBoolean(KEY_READER_BAR_TRANSPARENT, true)
 
+	val isReaderChapterToastEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_CHAPTER_TOAST, true)
+
 	val isReaderKeepScreenOn: Boolean
 		get() = prefs.getBoolean(KEY_READER_SCREEN_ON, true)
 
 	var readerColorFilter: ReaderColorFilter?
 		get() = runCatching {
-			val brightness = prefs.getFloat(KEY_CF_BRIGHTNESS, ReaderColorFilter.EMPTY.brightness)
-			val contrast = prefs.getFloat(KEY_CF_CONTRAST, ReaderColorFilter.EMPTY.contrast)
-			val inverted = prefs.getBoolean(KEY_CF_INVERTED, ReaderColorFilter.EMPTY.isInverted)
-			val grayscale = prefs.getBoolean(KEY_CF_GRAYSCALE, ReaderColorFilter.EMPTY.isGrayscale)
-			ReaderColorFilter(brightness, contrast, inverted, grayscale).takeUnless { it.isEmpty }
+			ReaderColorFilter(
+				brightness = prefs.getFloat(KEY_CF_BRIGHTNESS, ReaderColorFilter.EMPTY.brightness),
+				contrast = prefs.getFloat(KEY_CF_CONTRAST, ReaderColorFilter.EMPTY.contrast),
+				isInverted = prefs.getBoolean(KEY_CF_INVERTED, ReaderColorFilter.EMPTY.isInverted),
+				isGrayscale = prefs.getBoolean(KEY_CF_GRAYSCALE, ReaderColorFilter.EMPTY.isGrayscale),
+				isBookBackground = prefs.getBoolean(KEY_CF_BOOK, ReaderColorFilter.EMPTY.isBookBackground),
+			).takeUnless { it.isEmpty }
 		}.getOrNull()
 		set(value) {
 			prefs.edit {
-				val cf = value ?: ReaderColorFilter.EMPTY
-				putFloat(KEY_CF_BRIGHTNESS, cf.brightness)
-				putFloat(KEY_CF_CONTRAST, cf.contrast)
-				putBoolean(KEY_CF_INVERTED, cf.isInverted)
-				putBoolean(KEY_CF_GRAYSCALE, cf.isGrayscale)
+				if (value != null) {
+					putFloat(KEY_CF_BRIGHTNESS, value.brightness)
+					putFloat(KEY_CF_CONTRAST, value.contrast)
+					putBoolean(KEY_CF_INVERTED, value.isInverted)
+					putBoolean(KEY_CF_GRAYSCALE, value.isGrayscale)
+					putBoolean(KEY_CF_BOOK, value.isBookBackground)
+				} else {
+					remove(KEY_CF_BRIGHTNESS)
+					remove(KEY_CF_CONTRAST)
+					remove(KEY_CF_INVERTED)
+					remove(KEY_CF_GRAYSCALE)
+					remove(KEY_CF_BOOK)
+				}
 			}
 		}
 
@@ -467,6 +496,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_WEBTOON_GAPS, false)
 		set(value) = prefs.edit { putBoolean(KEY_WEBTOON_GAPS, value) }
 
+	var isWebtoonPullGestureEnabled: Boolean
+		get() = prefs.getBoolean(KEY_WEBTOON_PULL_GESTURE, false)
+		set(value) = prefs.edit { putBoolean(KEY_WEBTOON_PULL_GESTURE, value) }
+
 	@get:FloatRange(from = 0.0, to = 0.5)
 	val defaultWebtoonZoomOut: Float
 		get() = prefs.getInt(KEY_WEBTOON_ZOOM_OUT, 0).coerceIn(0, 50) / 100f
@@ -481,6 +514,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			)
 		}
 
+	var isReaderAutoscrollFabVisible: Boolean
+		get() = prefs.getBoolean(KEY_READER_AUTOSCROLL_FAB, true)
+		set(value) = prefs.edit { putBoolean(KEY_READER_AUTOSCROLL_FAB, value) }
+
 	val isPagesPreloadEnabled: Boolean
 		get() {
 			if (isBackgroundNetworkRestricted()) {
@@ -496,14 +533,24 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val is32BitColorsEnabled: Boolean
 		get() = prefs.getBoolean(KEY_32BIT_COLOR, false)
 
+	val isDiscordRpcEnabled: Boolean
+		get() = prefs.getBoolean(KEY_DISCORD_RPC, false)
+
+	val isDiscordRpcSkipNsfw: Boolean
+		get() = prefs.getBoolean(KEY_DISCORD_RPC_SKIP_NSFW, false)
+
+	var discordToken: String?
+		get() = prefs.getString(KEY_DISCORD_TOKEN, null)?.trim()?.nullIfEmpty()
+		set(value) = prefs.edit { putString(KEY_DISCORD_TOKEN, value?.nullIfEmpty()) }
+
 	val isPeriodicalBackupEnabled: Boolean
 		get() = prefs.getBoolean(KEY_BACKUP_PERIODICAL_ENABLED, false)
 
-	val periodicalBackupFrequency: Long
-		get() = prefs.getString(KEY_BACKUP_PERIODICAL_FREQUENCY, null)?.toLongOrNull() ?: 7L
+	val periodicalBackupFrequency: Float
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_FREQUENCY, null)?.toFloatOrNull() ?: 7f
 
 	val periodicalBackupFrequencyMillis: Long
-		get() = TimeUnit.DAYS.toMillis(periodicalBackupFrequency)
+		get() = (TimeUnit.DAYS.toMillis(1) * periodicalBackupFrequency).toLong()
 
 	val periodicalBackupMaxCount: Int
 		get() = if (prefs.getBoolean(KEY_BACKUP_PERIODICAL_TRIM, true)) {
@@ -585,7 +632,12 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		prefs.unregisterOnSharedPreferenceChangeListener(listener)
 	}
 
-	fun observe() = prefs.observe()
+	fun observeChanges() = prefs.observeChanges()
+
+	fun observe(vararg keys: String): Flow<String?> = prefs.observeChanges()
+		.filter { key -> key == null || key in keys }
+		.onStart { emit(null) }
+		.flowOn(Dispatchers.IO)
 
 	fun getAllValues(): Map<String, *> = prefs.all
 
@@ -629,8 +681,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_REMOTE_SOURCES = "remote_sources"
 		const val KEY_LOCAL_STORAGE = "local_storage"
 		const val KEY_READER_DOUBLE_PAGES = "reader_double_pages"
+		const val KEY_READER_DOUBLE_PAGES_SENSITIVITY = "reader_double_pages_sensitivity_2"
 		const val KEY_READER_ZOOM_BUTTONS = "reader_zoom_buttons"
 		const val KEY_READER_CONTROL_LTR = "reader_taps_ltr"
+		const val KEY_READER_NAVIGATION_INVERTED = "reader_navigation_inverted"
 		const val KEY_READER_FULLSCREEN = "reader_fullscreen"
 		const val KEY_READER_VOLUME_BUTTONS = "reader_volume_buttons"
 		const val KEY_READER_ORIENTATION = "reader_orientation"
@@ -696,6 +750,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_SYNC_SETTINGS = "sync_settings"
 		const val KEY_READER_BAR = "reader_bar"
 		const val KEY_READER_BAR_TRANSPARENT = "reader_bar_transparent"
+		const val KEY_READER_CHAPTER_TOAST = "reader_chapter_toast"
 		const val KEY_READER_BACKGROUND = "reader_background"
 		const val KEY_READER_SCREEN_ON = "reader_screen_on"
 		const val KEY_SHORTCUTS = "dynamic_shortcuts"
@@ -707,6 +762,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_WEBTOON_GAPS = "webtoon_gaps"
 		const val KEY_WEBTOON_ZOOM = "webtoon_zoom"
 		const val KEY_WEBTOON_ZOOM_OUT = "webtoon_zoom_out"
+		const val KEY_WEBTOON_PULL_GESTURE = "webtoon_pull_gesture"
 		const val KEY_PREFETCH_CONTENT = "prefetch_content"
 		const val KEY_APP_LOCALE = "app_locale"
 		const val KEY_SOURCES_GRID = "sources_grid"
@@ -714,6 +770,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_TIPS_CLOSED = "tips_closed"
 		const val KEY_SSL_BYPASS = "ssl_bypass"
 		const val KEY_READER_AUTOSCROLL_SPEED = "as_speed"
+		const val KEY_READER_AUTOSCROLL_FAB = "as_fab"
 		const val KEY_MIRROR_SWITCHING = "mirror_switching"
 		const val KEY_PROXY = "proxy"
 		const val KEY_PROXY_TYPE = "proxy_type_2"
@@ -729,6 +786,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_NAV_MAIN = "nav_main"
 		const val KEY_NAV_LABELS = "nav_labels"
 		const val KEY_NAV_PINNED = "nav_pinned"
+		const val KEY_MAIN_FAB = "main_fab"
 		const val KEY_32BIT_COLOR = "enhanced_colors"
 		const val KEY_SOURCES_ORDER = "sources_sort_order"
 		const val KEY_SOURCES_CATALOG = "sources_catalog"
@@ -736,6 +794,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_CF_CONTRAST = "cf_contrast"
 		const val KEY_CF_INVERTED = "cf_inverted"
 		const val KEY_CF_GRAYSCALE = "cf_grayscale"
+		const val KEY_CF_BOOK = "cf_book"
 		const val KEY_PAGES_TAB = "pages_tab"
 		const val KEY_DETAILS_TAB = "details_tab"
 		const val KEY_DETAILS_LAST_TAB = "details_last_tab"
@@ -753,6 +812,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_BACKUP_TG_CHAT = "backup_periodic_tg_chat_id"
 		const val KEY_MANGA_LIST_BADGES = "manga_list_badges"
 		const val KEY_TAGS_WARNINGS = "tags_warnings"
+		const val KEY_DISCORD_RPC = "discord_rpc"
+		const val KEY_DISCORD_RPC_SKIP_NSFW = "discord_rpc_skip_nsfw"
+		const val KEY_DISCORD_TOKEN = "discord_token"
 
 		// keys for non-persistent preferences
 		const val KEY_APP_VERSION = "app_version"
@@ -765,6 +827,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_PROXY_TEST = "proxy_test"
 		const val KEY_OPEN_BROWSER = "open_browser"
 		const val KEY_HANDLE_LINKS = "handle_links"
+		const val KEY_BACKUP_TG = "backup_periodic_tg"
 		const val KEY_BACKUP_TG_OPEN = "backup_periodic_tg_open"
 		const val KEY_BACKUP_TG_TEST = "backup_periodic_tg_test"
 		const val KEY_CLEAR_MANGA_DATA = "manga_data_clear"

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

@@ -10,7 +10,7 @@ import kotlinx.coroutines.flow.transform
 fun <T> AppSettings.observeAsFlow(key: String, valueProducer: AppSettings.() -> T) = flow {
 	var lastValue: T = valueProducer()
 	emit(lastValue)
-	observe().collect {
+	observeChanges().collect {
 		if (it == key) {
 			val value = valueProducer()
 			if (value != lastValue) {
@@ -25,7 +25,7 @@ fun <T> AppSettings.observeAsStateFlow(
 	scope: CoroutineScope,
 	key: String,
 	valueProducer: AppSettings.() -> T,
-): StateFlow<T> = observe().transform {
+): StateFlow<T> = observeChanges().transform {
 	if (it == key) {
 		emit(valueProducer())
 	}

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

@@ -13,10 +13,14 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.ifNullOrEmpty
 import org.koitharu.kotatsu.parsers.util.nullIfEmpty
 import org.koitharu.kotatsu.settings.utils.validation.DomainValidator
+import java.io.File
 
 class SourceSettings(context: Context, source: MangaSource) : MangaSourceConfig {
 
-	private val prefs = context.getSharedPreferences(source.name, Context.MODE_PRIVATE)
+    private val prefs = context.getSharedPreferences(
+        source.name.replace(File.separatorChar, '$'),
+        Context.MODE_PRIVATE,
+    )
 
 	var defaultSortOrder: SortOrder?
 		get() = prefs.getEnumValue(KEY_SORT_ORDER, SortOrder::class.java)
@@ -66,8 +70,9 @@ class SourceSettings(context: Context, source: MangaSource) : MangaSourceConfig
 
 	companion object {
 
-		const val KEY_SORT_ORDER = "sort_order"
-		const val KEY_SLOWDOWN = "slowdown"
+		const val KEY_DOMAIN = "domain"
 		const val KEY_NO_CAPTCHA = "no_captcha"
+		const val KEY_SLOWDOWN = "slowdown"
+		const val KEY_SORT_ORDER = "sort_order"
 	}
 }

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

@@ -33,7 +33,6 @@ import androidx.appcompat.R as appcompatR
 
 abstract class BaseActivity<B : ViewBinding> :
 	AppCompatActivity(),
-	ExceptionResolver.Host,
 	OnApplyWindowInsetsListener,
 	ScreenshotPolicyHelper.ContentContainer {
 
@@ -87,10 +86,6 @@ abstract class BaseActivity<B : ViewBinding> :
 	@Deprecated("Use ViewBinding", level = DeprecationLevel.ERROR)
 	override fun setContentView(view: View?) = throw UnsupportedOperationException()
 
-	override fun getContext() = this
-
-	override fun getChildFragmentManager(): FragmentManager = supportFragmentManager
-
 	protected fun setContentView(binding: B) {
 		this.viewBinding = binding
 		super.setContentView(binding.root)

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

@@ -15,8 +15,7 @@ import org.koitharu.kotatsu.core.ui.util.ActionModeDelegate
 
 abstract class BaseFragment<B : ViewBinding> :
 	OnApplyWindowInsetsListener,
-	Fragment(),
-	ExceptionResolver.Host {
+	Fragment() {
 
 	var viewBinding: B? = null
 		private set

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

@@ -1,9 +1,11 @@
 package org.koitharu.kotatsu.core.ui
 
 import android.content.Context
+import android.graphics.drawable.Drawable
 import android.os.Bundle
 import android.view.View
 import androidx.annotation.StringRes
+import androidx.core.content.ContextCompat
 import androidx.core.view.OnApplyWindowInsetsListener
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
@@ -34,8 +36,7 @@ import com.google.android.material.R as materialR
 abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 	PreferenceFragmentCompat(),
 	OnApplyWindowInsetsListener,
-	RecyclerViewOwner,
-	ExceptionResolver.Host {
+	RecyclerViewOwner {
 
 	protected lateinit var exceptionResolver: ExceptionResolver
 		private set
@@ -86,6 +87,12 @@ abstract class BasePreferenceFragment(@StringRes private val titleId: Int) :
 		(activity as? SettingsActivity)?.setSectionTitle(title)
 	}
 
+	protected fun getWarningIcon(): Drawable? = context?.let { ctx ->
+		ContextCompat.getDrawable(ctx, R.drawable.ic_alert_outline)?.also {
+			it.setTint(ContextCompat.getColor(ctx, R.color.warning))
+		}
+	}
+
 	private fun focusPreference(key: String) {
 		val pref = findPreference<Preference>(key)
 		if (pref == null) {

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

@@ -22,6 +22,7 @@ import org.koitharu.kotatsu.core.util.ext.EventFlow
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import kotlin.coroutines.AbstractCoroutineContextElement
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.EmptyCoroutineContext
 
@@ -43,13 +44,13 @@ abstract class BaseViewModel : ViewModel() {
 		context: CoroutineContext = EmptyCoroutineContext,
 		start: CoroutineStart = CoroutineStart.DEFAULT,
 		block: suspend CoroutineScope.() -> Unit
-	): Job = viewModelScope.launch(context + createErrorHandler(), start, block)
+	): Job = viewModelScope.launch(context.withDefaultExceptionHandler(), start, block)
 
 	protected fun launchLoadingJob(
 		context: CoroutineContext = EmptyCoroutineContext,
 		start: CoroutineStart = CoroutineStart.DEFAULT,
 		block: suspend CoroutineScope.() -> Unit
-	): Job = viewModelScope.launch(context + createErrorHandler(), start) {
+	): Job = viewModelScope.launch(context.withDefaultExceptionHandler(), start) {
 		loadingCounter.increment()
 		try {
 			block()
@@ -80,10 +81,28 @@ abstract class BaseViewModel : ViewModel() {
 
 	protected fun MutableStateFlow<Int>.decrement() = update { it - 1 }
 
-	private fun createErrorHandler() = CoroutineExceptionHandler { _, throwable ->
-		throwable.printStackTraceDebug()
-		if (throwable !is CancellationException) {
-			errorEvent.call(throwable)
+	private fun CoroutineContext.withDefaultExceptionHandler() =
+		if (this[CoroutineExceptionHandler.Key] is EventExceptionHandler) {
+			this
+		} else {
+			this + EventExceptionHandler(errorEvent)
+		}
+
+	protected object SkipErrors : AbstractCoroutineContextElement(Key) {
+
+		private object Key : CoroutineContext.Key<SkipErrors>
+	}
+
+	protected class EventExceptionHandler(
+		private val event: MutableEventFlow<Throwable>,
+	) : AbstractCoroutineContextElement(CoroutineExceptionHandler),
+		CoroutineExceptionHandler {
+
+		override fun handleException(context: CoroutineContext, exception: Throwable) {
+			exception.printStackTraceDebug()
+			if (context[SkipErrors.key] == null && exception !is CancellationException) {
+				event.call(exception)
+			}
 		}
 	}
 }

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

@@ -1,8 +0,0 @@
-package org.koitharu.kotatsu.core.ui
-
-import android.view.View
-
-fun interface OnContextClickListenerCompat {
-
-	fun onContextClick(v: View): Boolean
-}

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

@@ -2,10 +2,17 @@ package org.koitharu.kotatsu.core.ui.dialog
 
 import android.content.Context
 import android.view.LayoutInflater
+import android.view.ViewGroup.LayoutParams.MATCH_PARENT
+import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
+import android.view.inputmethod.EditorInfo
+import android.widget.ArrayAdapter
 import android.widget.CompoundButton.OnCheckedChangeListener
+import android.widget.EditText
+import android.widget.FrameLayout
 import androidx.annotation.StringRes
 import androidx.annotation.UiContext
 import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.widget.AppCompatEditText
 import androidx.core.view.updatePadding
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
@@ -15,54 +22,103 @@ import com.hannesdorfmann.adapterdelegates4.AdapterDelegatesManager
 import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.databinding.DialogCheckboxBinding
+import org.koitharu.kotatsu.databinding.ViewDialogAutocompleteBinding
 import com.google.android.material.R as materialR
 
 inline fun buildAlertDialog(
-	@UiContext context: Context,
-	isCentered: Boolean = false,
-	block: MaterialAlertDialogBuilder.() -> Unit,
+    @UiContext context: Context,
+    isCentered: Boolean = false,
+    block: MaterialAlertDialogBuilder.() -> Unit,
 ): AlertDialog = MaterialAlertDialogBuilder(
-	context,
-	if (isCentered) materialR.style.ThemeOverlay_Material3_MaterialAlertDialog_Centered else 0,
+    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
+    @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)
+    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>>,
+    list: List<T>,
+    delegate: AdapterDelegate<List<T>>,
 ) = apply {
-	val delegatesManager = AdapterDelegatesManager<List<T>>()
-	delegatesManager.addDelegate(delegate)
-	setRecyclerViewList(ListDelegationAdapter(delegatesManager).also { it.items = list })
+    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>>,
+    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 })
+    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)
+    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)
+}
+
+fun <B : AlertDialog.Builder> B.setEditText(
+    inputType: Int,
+    singleLine: Boolean,
+): EditText {
+    val editText = AppCompatEditText(context)
+    editText.inputType = inputType
+    if (singleLine) {
+        editText.setSingleLine()
+        editText.imeOptions = EditorInfo.IME_ACTION_DONE
+    }
+    val layout = FrameLayout(context)
+    val lp = FrameLayout.LayoutParams(MATCH_PARENT, WRAP_CONTENT)
+    val horizontalMargin = context.resources.getDimensionPixelOffset(R.dimen.screen_padding)
+    lp.setMargins(
+        horizontalMargin,
+        context.resources.getDimensionPixelOffset(R.dimen.margin_small),
+        horizontalMargin,
+        0,
+    )
+    layout.addView(editText, lp)
+    setView(layout)
+    return editText
+}
+
+fun <B : AlertDialog.Builder> B.setEditText(
+    entries: List<CharSequence>,
+    inputType: Int,
+    singleLine: Boolean,
+): EditText {
+    if (entries.isEmpty()) {
+        return setEditText(inputType, singleLine)
+    }
+    val binding = ViewDialogAutocompleteBinding.inflate(LayoutInflater.from(context))
+    binding.autoCompleteTextView.setAdapter(
+        ArrayAdapter(context, android.R.layout.simple_spinner_dropdown_item, entries),
+    )
+    binding.dropdown.setOnClickListener {
+        binding.autoCompleteTextView.showDropDown()
+    }
+    binding.autoCompleteTextView.inputType = inputType
+    if (singleLine) {
+        binding.autoCompleteTextView.setSingleLine()
+        binding.autoCompleteTextView.imeOptions = EditorInfo.IME_ACTION_DONE
+    }
+    setView(binding.root)
+    return binding.autoCompleteTextView
 }

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

@@ -10,7 +10,7 @@ class RememberCheckListener(
 	var isChecked: Boolean = initialValue
 		private set
 
-	override fun onCheckedChanged(buttonView: CompoundButton?, isChecked: Boolean) {
+	override fun onCheckedChanged(buttonView: CompoundButton, isChecked: Boolean) {
 		this.isChecked = isChecked
 	}
 }

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

@@ -10,7 +10,7 @@ import coil3.asImage
 import coil3.request.Disposable
 import coil3.request.ImageRequest
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.exceptions.resolve.CaptchaHandler.Companion.ignoreCaptchaErrors
+import org.koitharu.kotatsu.core.exceptions.resolve.CaptchaHandler.Companion.suppressCaptchaErrors
 import org.koitharu.kotatsu.core.image.CoilImageView
 import org.koitharu.kotatsu.core.parser.favicon.faviconUri
 import org.koitharu.kotatsu.core.util.ext.isAnimationsEnabled
@@ -57,7 +57,7 @@ class FaviconView @JvmOverloads constructor(
 				.fallback(fallbackFactory)
 				.placeholder(placeholderFactory)
 				.mangaSourceExtra(mangaSource)
-				.ignoreCaptchaErrors()
+				.suppressCaptchaErrors()
 				.build(),
 		)
 	}

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

@@ -2,17 +2,16 @@ package org.koitharu.kotatsu.core.ui.list
 
 import android.view.View
 import android.view.View.OnClickListener
+import android.view.View.OnContextClickListener
 import android.view.View.OnLongClickListener
 import androidx.core.util.Function
 import com.hannesdorfmann.adapterdelegates4.dsl.AdapterDelegateViewBindingViewHolder
-import org.koitharu.kotatsu.core.ui.OnContextClickListenerCompat
-import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 
 class AdapterDelegateClickListenerAdapter<I, O>(
 	private val adapterDelegate: AdapterDelegateViewBindingViewHolder<out I, *>,
 	private val clickListener: OnListItemClickListener<O>,
 	private val itemMapper: Function<I, O>,
-) : OnClickListener, OnLongClickListener, OnContextClickListenerCompat {
+) : OnClickListener, OnLongClickListener, OnContextClickListener {
 
 	override fun onClick(v: View) {
 		clickListener.onItemClick(mappedItem(), v)
@@ -33,7 +32,7 @@ class AdapterDelegateClickListenerAdapter<I, O>(
 	fun attach(itemView: View) {
 		itemView.setOnClickListener(this)
 		itemView.setOnLongClickListener(this)
-		itemView.setOnContextClickListenerCompat(this)
+		itemView.setOnContextClickListener(this)
 	}
 
 	companion object {

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

@@ -186,6 +186,7 @@ class ListSelectionController(
 
 		override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
 			if (event == Lifecycle.Event.ON_CREATE) {
+				source.lifecycle.removeObserver(this)
 				val registry = registryOwner.savedStateRegistry
 				registry.registerSavedStateProvider(PROVIDER_NAME, this@ListSelectionController)
 				val state = registry.consumeRestoredStateForKey(PROVIDER_NAME)

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

@@ -5,7 +5,10 @@ import android.view.View
 import androidx.annotation.Px
 import androidx.recyclerview.widget.RecyclerView
 
-class SpacingItemDecoration(@Px private val spacing: Int) : RecyclerView.ItemDecoration() {
+class SpacingItemDecoration(
+    @Px private val spacing: Int,
+    private val withBottomPadding: Boolean,
+) : RecyclerView.ItemDecoration() {
 
 	override fun getItemOffsets(
 		outRect: Rect,
@@ -13,6 +16,6 @@ class SpacingItemDecoration(@Px private val spacing: Int) : RecyclerView.ItemDec
 		parent: RecyclerView,
 		state: RecyclerView.State,
 	) {
-		outRect.set(spacing, spacing, spacing, spacing)
+		outRect.set(spacing, spacing, spacing, if (withBottomPadding) spacing else 0)
 	}
 }

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

@@ -32,8 +32,7 @@ import org.koitharu.kotatsu.core.ui.util.ActionModeDelegate
 import com.google.android.material.R as materialR
 
 abstract class BaseAdaptiveSheet<B : ViewBinding> : AppCompatDialogFragment(),
-	OnApplyWindowInsetsListener,
-	ExceptionResolver.Host {
+	OnApplyWindowInsetsListener {
 
 	private var waitingForDismissAllowingStateLoss = false
 	private var isFitToContentsDisabled = false

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

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.core.ui.util
 
 import android.graphics.Color
-import android.os.Build
 import android.view.ViewGroup
 import android.view.Window
 import androidx.activity.OnBackPressedCallback
@@ -14,7 +13,6 @@ import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.updateLayoutParams
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
-import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import com.google.android.material.R as materialR
 
@@ -37,14 +35,10 @@ class ActionModeDelegate : OnBackPressedCallback(false) {
 		listeners?.forEach { it.onActionModeStarted(mode) }
 		if (window != null) {
 			val ctx = window.context
-			val actionModeColor = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-				ColorUtils.compositeColors(
-					ContextCompat.getColor(ctx, materialR.color.m3_appbar_overlay_color),
-					ctx.getThemeColor(materialR.attr.colorSurface),
-				)
-			} else {
-				ContextCompat.getColor(ctx, R.color.kotatsu_surface)
-			}
+			val actionModeColor = ColorUtils.compositeColors(
+				ContextCompat.getColor(ctx, materialR.color.m3_appbar_overlay_color),
+				ctx.getThemeColor(materialR.attr.colorSurface),
+			)
 			defaultStatusBarColor = window.statusBarColor
 			window.statusBarColor = actionModeColor
 			val insets = ViewCompat.getRootWindowInsets(window.decorView)

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

@@ -4,12 +4,10 @@ import android.view.MenuItem
 import android.view.View
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.view.MenuProvider
-import org.koitharu.kotatsu.core.ui.OnContextClickListenerCompat
-import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 
 class PopupMenuMediator(
 	private val provider: MenuProvider,
-) : View.OnLongClickListener, OnContextClickListenerCompat, PopupMenu.OnMenuItemClickListener,
+) : View.OnLongClickListener, View.OnContextClickListener, PopupMenu.OnMenuItemClickListener,
 	PopupMenu.OnDismissListener {
 
 	override fun onContextClick(v: View): Boolean = onLongClick(v)
@@ -37,6 +35,6 @@ class PopupMenuMediator(
 
 	fun attach(view: View) {
 		view.setOnLongClickListener(this)
-		view.setOnContextClickListenerCompat(this)
+		view.setOnContextClickListener(this)
 	}
 }

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

@@ -56,6 +56,11 @@ class ChipsView @JvmOverloads constructor(
 		val data = it.tag
 		onChipCloseClickListener?.onChipCloseClick(chip, data) ?: onChipClickListener?.onChipClick(chip, data)
 	}
+	private val chipOnLongClickListener = OnLongClickListener {
+		val chip = it as Chip
+		val data = it.tag
+		onChipLongClickListener?.onChipLongClick(chip, data) ?: false
+	}
 	private val chipStyle: Int
 	private val iconsVisible: Boolean
 	var onChipClickListener: OnChipClickListener? = null
@@ -66,6 +71,8 @@ class ChipsView @JvmOverloads constructor(
 		}
 	var onChipCloseClickListener: OnChipCloseClickListener? = null
 
+	var onChipLongClickListener: OnChipLongClickListener? = null
+
 	init {
 		val ta = context.obtainStyledAttributes(attrs, R.styleable.ChipsView, defStyleAttr, 0)
 		chipStyle = ta.getResourceId(R.styleable.ChipsView_chipStyle, R.style.Widget_Kotatsu_Chip)
@@ -145,6 +152,7 @@ class ChipsView @JvmOverloads constructor(
 			setOnCloseIconClickListener(chipOnCloseListener)
 			setEnsureMinTouchTargetSize(false)
 			setOnClickListener(chipOnClickListener)
+			setOnLongClickListener(chipOnLongClickListener)
 			isElegantTextHeight = false
 		}
 
@@ -276,4 +284,9 @@ class ChipsView @JvmOverloads constructor(
 
 		fun onChipCloseClick(chip: Chip, data: Any?)
 	}
+
+	fun interface OnChipLongClickListener {
+
+		fun onChipLongClick(chip: Chip, data: Any?): Boolean
+	}
 }

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

@@ -22,7 +22,7 @@ open class StackLayout @JvmOverloads constructor(
 		val h = b - t - paddingTop - paddingBottom
 		visibleChildren.clear()
 		children.filterNotTo(visibleChildren) { it.isGone }
-		if (w <= 0 || h <= 0 || visibleChildren.isEmpty) {
+		if (w <= 0 || h <= 0 || visibleChildren.isEmpty()) {
 			return
 		}
 		val xStep = w / (visibleChildren.size + 1)

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

@@ -0,0 +1,22 @@
+package org.koitharu.kotatsu.core.ui.widgets
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import android.widget.FrameLayout
+
+class TouchBlockLayout @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null
+) : FrameLayout(context, attrs) {
+
+    var isTouchEventsAllowed = true
+
+    override fun onInterceptTouchEvent(
+        ev: MotionEvent?
+    ): Boolean = if (isTouchEventsAllowed) {
+        super.onInterceptTouchEvent(ev)
+    } else {
+        true
+    }
+}

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

@@ -1,61 +1,38 @@
 package org.koitharu.kotatsu.core.util
 
-import androidx.collection.ArrayMap
+import androidx.annotation.VisibleForTesting
 import kotlinx.coroutines.sync.Mutex
+import java.util.concurrent.ConcurrentHashMap
 import kotlin.contracts.InvocationKind
 import kotlin.contracts.contract
 
-open class MultiMutex<T : Any> : Set<T> {
+open class MultiMutex<T : Any> {
 
-	private val delegates = ArrayMap<T, Mutex>()
+	private val delegates = ConcurrentHashMap<T, Mutex>()
 
-	override val size: Int
-		get() = delegates.size
+	@VisibleForTesting
+	val size: Int
+		get() = delegates.count { it.value.isLocked }
 
-	override fun contains(element: T): Boolean = synchronized(delegates) {
-		delegates.containsKey(element)
-	}
+	fun isNotEmpty() = delegates.any { it.value.isLocked }
 
-	override fun containsAll(elements: Collection<T>): Boolean = synchronized(delegates) {
-		elements.all { x -> delegates.containsKey(x) }
-	}
-
-	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
-	}
-
-	fun tryLock(element: T): Boolean {
-		val mutex = synchronized(delegates) {
-			delegates.getOrPut(element, ::Mutex)
-		}
-		return mutex.tryLock()
-	}
+	fun isEmpty() = delegates.none { it.value.isLocked }
 
 	suspend fun lock(element: T) {
-		val mutex = synchronized(delegates) {
-			delegates.getOrPut(element, ::Mutex)
-		}
+		val mutex = delegates.computeIfAbsent(element) { Mutex() }
 		mutex.lock()
 	}
 
 	fun unlock(element: T) {
-		synchronized(delegates) {
-			delegates.remove(element)?.unlock()
-		}
+		delegates[element]?.unlock()
 	}
 
 	suspend inline fun <R> withLock(element: T, block: () -> R): R {
 		contract {
 			callsInPlace(block, InvocationKind.EXACTLY_ONCE)
 		}
+		lock(element)
 		return try {
-			lock(element)
 			block()
 		} finally {
 			unlock(element)

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

@@ -1,46 +0,0 @@
-package org.koitharu.kotatsu.core.util
-
-import android.annotation.SuppressLint
-import androidx.work.WorkInfo
-import androidx.work.WorkManager
-import androidx.work.WorkQuery
-import androidx.work.impl.foreground.SystemForegroundService
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.collectLatest
-import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.launch
-import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
-import javax.inject.Provider
-
-/**
- * Workaround for issue
- * https://issuetracker.google.com/issues/270245927
- * https://issuetracker.google.com/issues/280504155
- */
-class WorkServiceStopHelper(
-	private val workManagerProvider: Provider<WorkManager>,
-) {
-
-	fun setup() {
-		processLifecycleScope.launch(Dispatchers.Default) {
-			workManagerProvider.get()
-				.getWorkInfosFlow(WorkQuery.fromStates(WorkInfo.State.RUNNING))
-				.map { it.isEmpty() }
-				.distinctUntilChanged()
-				.collectLatest {
-					if (it) {
-						delay(1_000)
-						stopWorkerService()
-					}
-				}
-		}
-	}
-
-	@SuppressLint("RestrictedApi")
-	private fun stopWorkerService() {
-		SystemForegroundService.getInstance()?.stop()
-	}
-}
-

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

@@ -134,6 +134,28 @@ fun <T1, T2, T3, T4, T5, T6, R> combine(
 	)
 }
 
+@Suppress("UNCHECKED_CAST")
+fun <T1, T2, T3, T4, T5, T6, T7, R> combine(
+	flow: Flow<T1>,
+	flow2: Flow<T2>,
+	flow3: Flow<T3>,
+	flow4: Flow<T4>,
+	flow5: Flow<T5>,
+	flow6: Flow<T6>,
+	flow7: Flow<T7>,
+	transform: suspend (T1, T2, T3, T4, T5, T6, T7) -> R,
+): Flow<R> = combine(flow, flow2, flow3, flow4, flow5, flow6, flow7) { args: Array<*> ->
+	transform(
+		args[0] as T1,
+		args[1] as T2,
+		args[2] as T3,
+		args[3] as T4,
+		args[4] as T5,
+		args[5] as T6,
+		args[6] as T7,
+	)
+}
+
 suspend fun <T : Any> Flow<T?>.firstNotNull(): T = checkNotNull(first { x -> x != null })
 
 suspend fun <T : Any> Flow<T?>.firstNotNullOrNull(): T? = firstOrNull { x -> x != null }

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

@@ -1,5 +1,8 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import android.content.ContentResolver
+import android.net.Uri
+import androidx.annotation.CheckResult
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.currentCoroutineContext
@@ -12,6 +15,7 @@ import okio.FileSystem
 import okio.IOException
 import okio.Path
 import okio.Source
+import okio.source
 import org.koitharu.kotatsu.core.util.CancellableSource
 import org.koitharu.kotatsu.core.util.progress.ProgressResponseBody
 import java.io.ByteArrayOutputStream
@@ -57,3 +61,8 @@ fun FileSystem.isRegularFile(path: Path) = try {
 } catch (_: IOException) {
 	false
 }
+
+@CheckResult
+fun ContentResolver.openSource(uri: Uri): Source = checkNotNull(openInputStream(uri)) {
+	"Cannot open input stream from $uri"
+}.source()

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

@@ -37,7 +37,7 @@ fun <E : Enum<E>> SharedPreferences.Editor.putEnumValue(key: String, value: E?)
 	putString(key, value?.name)
 }
 
-fun SharedPreferences.observe(): Flow<String?> = callbackFlow {
+fun SharedPreferences.observeChanges(): Flow<String?> = callbackFlow {
 	val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
 		trySendBlocking(key)
 	}
@@ -49,7 +49,7 @@ fun SharedPreferences.observe(): Flow<String?> = callbackFlow {
 
 fun <T> SharedPreferences.observe(key: String, valueProducer: suspend () -> T): Flow<T> = flow {
 	emit(valueProducer())
-	observe().collect { upstreamKey ->
+	observeChanges().collect { upstreamKey ->
 		if (upstreamKey == key) {
 			emit(valueProducer())
 		}

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

@@ -2,9 +2,11 @@ package org.koitharu.kotatsu.core.util.ext
 
 import android.content.ActivityNotFoundException
 import android.content.res.Resources
+import android.database.sqlite.SQLiteFullException
 import androidx.annotation.DrawableRes
 import coil3.network.HttpException
 import com.davemorrissey.labs.subscaleview.decoder.ImageDecodeException
+import kotlinx.coroutines.CancellationException
 import okhttp3.Response
 import okhttp3.internal.http2.StreamResetException
 import okio.FileNotFoundException
@@ -20,6 +22,7 @@ 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.EmptyMangaException
 import org.koitharu.kotatsu.core.exceptions.IncompatiblePluginException
 import org.koitharu.kotatsu.core.exceptions.InteractiveActionRequiredException
 import org.koitharu.kotatsu.core.exceptions.NoDataReceivedException
@@ -51,6 +54,7 @@ import java.net.SocketException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 import java.util.Locale
+import java.util.zip.ZipException
 
 private const val MSG_NO_SPACE_LEFT = "No space left on device"
 private const val MSG_CONNECTION_RESET = "Connection reset"
@@ -59,212 +63,219 @@ private const val IMAGE_FORMAT_NOT_SUPPORTED = "Image format not supported"
 private val FNFE_MESSAGE_REGEX = Regex("^(/[^\\s:]+)?.+?\\s([A-Z]{2,6})?\\s.+$")
 
 fun Throwable.getDisplayMessage(resources: Resources): String = getDisplayMessageOrNull(resources)
-	?: resources.getString(R.string.error_occurred)
+    ?: resources.getString(R.string.error_occurred)
 
 private fun Throwable.getDisplayMessageOrNull(resources: Resources): String? = when (this) {
-	is CaughtException -> cause.getDisplayMessageOrNull(resources)
-	is WrapperIOException -> cause.getDisplayMessageOrNull(resources)
-	is ScrobblerAuthRequiredException -> resources.getString(
-		R.string.scrobbler_auth_required,
-		resources.getString(scrobbler.titleResId),
-	)
+    is CancellationException -> cause?.getDisplayMessageOrNull(resources) ?: message
+    is CaughtException -> cause.getDisplayMessageOrNull(resources)
+    is WrapperIOException -> cause.getDisplayMessageOrNull(resources)
+    is ScrobblerAuthRequiredException -> resources.getString(
+        R.string.scrobbler_auth_required,
+        resources.getString(scrobbler.titleResId),
+    )
 
-	is AuthRequiredException -> resources.getString(R.string.auth_required)
-	is InteractiveActionRequiredException -> resources.getString(R.string.additional_action_required)
-	is CloudFlareProtectedException -> resources.getString(R.string.captcha_required_message)
-	is CloudFlareBlockedException -> resources.getString(R.string.blocked_by_server_message)
-	is ActivityNotFoundException,
-	is UnsupportedOperationException,
-		-> resources.getString(R.string.operation_not_supported)
+    is AuthRequiredException -> resources.getString(R.string.auth_required)
+    is InteractiveActionRequiredException -> resources.getString(R.string.additional_action_required)
+    is CloudFlareProtectedException -> resources.getString(R.string.captcha_required_message)
+    is CloudFlareBlockedException -> resources.getString(R.string.blocked_by_server_message)
+    is ActivityNotFoundException,
+    is UnsupportedOperationException,
+        -> 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 -> {
+        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 UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
-	is BadBackupFormatException -> resources.getString(R.string.unsupported_backup_message)
-	is FileNotFoundException -> parseMessage(resources) ?: message
-	is AccessDeniedException -> resources.getString(R.string.no_access_to_file)
-	is NonFileUriException -> resources.getString(R.string.error_non_file_uri)
-	is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
-	is ProxyConfigException -> resources.getString(R.string.invalid_proxy_configuration)
-	is SyncApiException,
-	is ContentUnavailableException -> message
+    is ZipException -> resources.getString(R.string.error_corrupted_zip, this.message.orEmpty())
+    is SQLiteFullException -> resources.getString(R.string.error_no_space_left)
+    is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
+    is BadBackupFormatException -> resources.getString(R.string.unsupported_backup_message)
+    is FileNotFoundException -> parseMessage(resources) ?: message
+    is AccessDeniedException -> resources.getString(R.string.no_access_to_file)
+    is NonFileUriException -> resources.getString(R.string.error_non_file_uri)
+    is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
+    is EmptyMangaException -> reason?.let { resources.getString(it.msgResId) } ?: cause?.getDisplayMessage(resources)
+    is ProxyConfigException -> resources.getString(R.string.invalid_proxy_configuration)
+    is SyncApiException,
+    is ContentUnavailableException -> message
 
-	is ParseException -> shortMessage
-	is ConnectException,
-	is UnknownHostException,
-	is NoRouteToHostException,
-	is SocketTimeoutException -> resources.getString(R.string.network_error)
+    is ParseException -> shortMessage
+    is ConnectException,
+    is UnknownHostException,
+    is NoRouteToHostException,
+    is SocketTimeoutException -> resources.getString(R.string.network_error)
 
-	is ImageDecodeException -> {
-		val type = format?.substringBefore('/')
-		val formatString = format.ifNullOrEmpty { resources.getString(R.string.unknown).lowercase(Locale.getDefault()) }
-		if (type.isNullOrEmpty() || type == "image") {
-			resources.getString(R.string.error_image_format, formatString)
-		} else {
-			resources.getString(R.string.error_not_image, formatString)
-		}
-	}
+    is ImageDecodeException -> {
+        val type = format?.substringBefore('/')
+        val formatString = format.ifNullOrEmpty { resources.getString(R.string.unknown).lowercase(Locale.getDefault()) }
+        if (type.isNullOrEmpty() || type == "image") {
+            resources.getString(R.string.error_image_format, formatString)
+        } else {
+            resources.getString(R.string.error_not_image, formatString)
+        }
+    }
 
-	is NoDataReceivedException -> resources.getString(R.string.error_no_data_received)
-	is IncompatiblePluginException -> {
-		cause?.getDisplayMessageOrNull(resources)?.let {
-			resources.getString(R.string.plugin_incompatible_with_cause, it)
-		} ?: resources.getString(R.string.plugin_incompatible)
-	}
+    is NoDataReceivedException -> resources.getString(R.string.error_no_data_received)
+    is IncompatiblePluginException -> {
+        cause?.getDisplayMessageOrNull(resources)?.let {
+            resources.getString(R.string.plugin_incompatible_with_cause, it)
+        } ?: 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)
+    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)
 
-	is HttpException -> getHttpDisplayMessage(response.code, resources)
-	is HttpStatusException -> getHttpDisplayMessage(statusCode, resources)
+    is HttpException -> getHttpDisplayMessage(response.code, resources)
+    is HttpStatusException -> getHttpDisplayMessage(statusCode, resources)
 
-	else -> mapDisplayMessage(message, resources) ?: message
+    else -> mapDisplayMessage(message, resources) ?: message
 }.takeUnless { it.isNullOrBlank() }
 
 @DrawableRes
 fun Throwable.getDisplayIcon(): Int = when (this) {
-	is AuthRequiredException -> R.drawable.ic_auth_key_large
-	is CloudFlareProtectedException -> R.drawable.ic_bot_large
-	is UnknownHostException,
-	is SocketTimeoutException,
-	is ConnectException,
-	is NoRouteToHostException,
-	is ProtocolException -> R.drawable.ic_plug_large
+    is AuthRequiredException -> R.drawable.ic_auth_key_large
+    is CloudFlareProtectedException -> R.drawable.ic_bot_large
+    is UnknownHostException,
+    is SocketTimeoutException,
+    is ConnectException,
+    is NoRouteToHostException,
+    is ProtocolException -> R.drawable.ic_plug_large
 
-	is CloudFlareBlockedException -> R.drawable.ic_denied_large
+    is CloudFlareBlockedException -> R.drawable.ic_denied_large
 
-	is InteractiveActionRequiredException -> R.drawable.ic_interaction_large
-	else -> R.drawable.ic_error_large
+    is InteractiveActionRequiredException -> R.drawable.ic_interaction_large
+    else -> R.drawable.ic_error_large
 }
 
 fun Throwable.getCauseUrl(): String? = when (this) {
-	is ParseException -> url
-	is NotFoundException -> url
-	is TooManyRequestExceptions -> url
-	is CaughtException -> cause.getCauseUrl()
-	is WrapperIOException -> cause.getCauseUrl()
-	is NoDataReceivedException -> url
-	is CloudFlareBlockedException -> url
-	is CloudFlareProtectedException -> url
-	is InteractiveActionRequiredException -> url
-	is HttpStatusException -> url
-	is HttpException -> (response.delegate as? Response)?.request?.url?.toString()
-	else -> null
+    is ParseException -> url
+    is NotFoundException -> url
+    is TooManyRequestExceptions -> url
+    is CaughtException -> cause.getCauseUrl()
+    is WrapperIOException -> cause.getCauseUrl()
+    is NoDataReceivedException -> url
+    is CloudFlareBlockedException -> url
+    is CloudFlareProtectedException -> url
+    is InteractiveActionRequiredException -> url
+    is HttpStatusException -> url
+    is UnsupportedSourceException -> manga?.publicUrl?.takeIf { it.isHttpUrl() }
+    is EmptyMangaException -> manga.publicUrl.takeIf { it.isHttpUrl() }
+    is HttpException -> (response.delegate as? Response)?.request?.url?.toString()
+    else -> null
 }
 
 private fun getHttpDisplayMessage(statusCode: Int, resources: Resources): String? = when (statusCode) {
-	404 -> resources.getString(R.string.not_found_404)
-	403 -> resources.getString(R.string.access_denied_403)
-	in 500..599 -> resources.getString(R.string.server_error, statusCode)
-	else -> null
+    HttpURLConnection.HTTP_NOT_FOUND -> resources.getString(R.string.not_found_404)
+    HttpURLConnection.HTTP_FORBIDDEN -> resources.getString(R.string.access_denied_403)
+    HttpURLConnection.HTTP_GATEWAY_TIMEOUT -> resources.getString(R.string.network_unavailable)
+    in 500..599 -> resources.getString(R.string.server_error, statusCode)
+    else -> null
 }
 
 private fun mapDisplayMessage(msg: String?, resources: Resources): String? = when {
-	msg.isNullOrEmpty() -> null
-	msg.contains(MSG_NO_SPACE_LEFT) -> resources.getString(R.string.error_no_space_left)
-	msg.contains(IMAGE_FORMAT_NOT_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
-	msg == MSG_CONNECTION_RESET -> resources.getString(R.string.error_connection_reset)
-	msg == FILTER_MULTIPLE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_genres_not_supported)
-	msg == FILTER_MULTIPLE_STATES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_states_not_supported)
-	msg == SEARCH_NOT_SUPPORTED -> resources.getString(R.string.error_search_not_supported)
-	msg == FILTER_BOTH_LOCALE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_filter_locale_genre_not_supported)
-	msg == FILTER_BOTH_STATES_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_filter_states_genre_not_supported)
-	else -> null
+    msg.isNullOrEmpty() -> null
+    msg.contains(MSG_NO_SPACE_LEFT) -> resources.getString(R.string.error_no_space_left)
+    msg.contains(IMAGE_FORMAT_NOT_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
+    msg == MSG_CONNECTION_RESET -> resources.getString(R.string.error_connection_reset)
+    msg == FILTER_MULTIPLE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_genres_not_supported)
+    msg == FILTER_MULTIPLE_STATES_NOT_SUPPORTED -> resources.getString(R.string.error_multiple_states_not_supported)
+    msg == SEARCH_NOT_SUPPORTED -> resources.getString(R.string.error_search_not_supported)
+    msg == FILTER_BOTH_LOCALE_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_filter_locale_genre_not_supported)
+    msg == FILTER_BOTH_STATES_GENRES_NOT_SUPPORTED -> resources.getString(R.string.error_filter_states_genre_not_supported)
+    else -> null
 }
 
 fun Throwable.isReportable(): Boolean {
-	if (this is Error) {
-		return true
-	}
-	if (this is CaughtException) {
-		return cause.isReportable()
-	}
-	if (this is WrapperIOException) {
-		return cause.isReportable()
-	}
-	if (ExceptionResolver.canResolve(this)) {
-		return false
-	}
-	if (this is ParseException
-		|| this.isNetworkError()
-		|| this is CloudFlareBlockedException
-		|| this is CloudFlareProtectedException
-		|| this is BadBackupFormatException
-		|| this is WrongPasswordException
-		|| this is TooManyRequestExceptions
-		|| this is HttpStatusException
-	) {
-		return false
-	}
-	return true
+    if (this is Error) {
+        return true
+    }
+    if (this is CaughtException) {
+        return cause.isReportable()
+    }
+    if (this is WrapperIOException) {
+        return cause.isReportable()
+    }
+    if (ExceptionResolver.canResolve(this)) {
+        return false
+    }
+    if (this is ParseException
+        || this.isNetworkError()
+        || this is CloudFlareBlockedException
+        || this is CloudFlareProtectedException
+        || this is BadBackupFormatException
+        || this is WrongPasswordException
+        || this is TooManyRequestExceptions
+        || this is HttpStatusException
+    ) {
+        return false
+    }
+    return true
 }
 
 fun Throwable.isNetworkError(): Boolean {
-	return this is UnknownHostException
-		|| this is SocketTimeoutException
-		|| this is StreamResetException
-		|| this is SocketException
-		|| this is HttpException && response.code == HttpURLConnection.HTTP_GATEWAY_TIMEOUT
+    return this is UnknownHostException
+        || this is SocketTimeoutException
+        || this is StreamResetException
+        || this is SocketException
+        || this is HttpException && response.code == HttpURLConnection.HTTP_GATEWAY_TIMEOUT
 }
 
 fun Throwable.report(silent: Boolean = false) {
-	val exception = CaughtException(this)
-	if (!silent) {
-		exception.sendWithAcra()
-	} else if (!BuildConfig.DEBUG) {
-		exception.sendSilentlyWithAcra()
-	}
+    val exception = CaughtException(this)
+    if (!silent) {
+        exception.sendWithAcra()
+    } else if (!BuildConfig.DEBUG) {
+        exception.sendSilentlyWithAcra()
+    }
 }
 
 fun Throwable.isWebViewUnavailable(): Boolean {
-	val trace = stackTraceToString()
-	return trace.contains("android.webkit.WebView.<init>")
+    val trace = stackTraceToString()
+    return trace.contains("android.webkit.WebView.<init>")
 }
 
 @Suppress("FunctionName")
 fun NoSpaceLeftException() = IOException(MSG_NO_SPACE_LEFT)
 
 fun FileNotFoundException.getFile(): File? {
-	val groups = FNFE_MESSAGE_REGEX.matchEntire(message ?: return null)?.groupValues ?: return null
-	return groups.getOrNull(1)?.let { File(it) }
+    val groups = FNFE_MESSAGE_REGEX.matchEntire(message ?: return null)?.groupValues ?: return null
+    return groups.getOrNull(1)?.let { File(it) }
 }
 
 fun FileNotFoundException.parseMessage(resources: Resources): String? {
-	/*
-	Examples:
-	/storage/0000-0000/Android/media/d1f08350-0c25-460b-8f50-008e49de3873.jpg.tmp: open failed: EROFS (Read-only file system)
-	 /storage/emulated/0/Android/data/org.koitharu.kotatsu/cache/pages/fe06e192fa371e55918980f7a24c91ea.jpg: open failed: ENOENT (No such file or directory)
-	 /storage/0000-0000/Android/data/org.koitharu.kotatsu/files/manga/e57d3af4-216e-48b2-8432-1541d58eea1e.tmp (I/O error)
-	 */
-	val groups = FNFE_MESSAGE_REGEX.matchEntire(message ?: return null)?.groupValues ?: return null
-	val path = groups.getOrNull(1)
-	val error = groups.getOrNull(2)
-	val baseMessageIs = when (error) {
-		"EROFS" -> R.string.no_write_permission_to_file
-		"ENOENT" -> R.string.file_not_found
-		else -> return null
-	}
-	return if (path.isNullOrEmpty()) {
-		resources.getString(baseMessageIs)
-	} else {
-		resources.getString(
-			R.string.inline_preference_pattern,
-			resources.getString(baseMessageIs),
-			path,
-		)
-	}
+    /*
+    Examples:
+    /storage/0000-0000/Android/media/d1f08350-0c25-460b-8f50-008e49de3873.jpg.tmp: open failed: EROFS (Read-only file system)
+     /storage/emulated/0/Android/data/org.koitharu.kotatsu/cache/pages/fe06e192fa371e55918980f7a24c91ea.jpg: open failed: ENOENT (No such file or directory)
+     /storage/0000-0000/Android/data/org.koitharu.kotatsu/files/manga/e57d3af4-216e-48b2-8432-1541d58eea1e.tmp (I/O error)
+     */
+    val groups = FNFE_MESSAGE_REGEX.matchEntire(message ?: return null)?.groupValues ?: return null
+    val path = groups.getOrNull(1)
+    val error = groups.getOrNull(2)
+    val baseMessageIs = when (error) {
+        "EROFS" -> R.string.no_write_permission_to_file
+        "ENOENT" -> R.string.file_not_found
+        else -> return null
+    }
+    return if (path.isNullOrEmpty()) {
+        resources.getString(baseMessageIs)
+    } else {
+        resources.getString(
+            R.string.inline_preference_pattern,
+            resources.getString(baseMessageIs),
+            path,
+        )
+    }
 }
 

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

@@ -28,7 +28,6 @@ import com.google.android.material.progressindicator.BaseProgressIndicator
 import com.google.android.material.slider.RangeSlider
 import com.google.android.material.slider.Slider
 import com.google.android.material.tabs.TabLayout
-import org.koitharu.kotatsu.core.ui.OnContextClickListenerCompat
 import kotlin.math.roundToInt
 
 fun View.hasGlobalPoint(x: Int, y: Int): Boolean {
@@ -169,12 +168,16 @@ fun BaseProgressIndicator<*>.showOrHide(value: Boolean) {
 	}
 }
 
-fun View.setOnContextClickListenerCompat(listener: OnContextClickListenerCompat) {
-	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-		setOnContextClickListener(listener::onContextClick)
+fun View.setTooltipCompat(tooltip: CharSequence?) {
+	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+		tooltipText = tooltip
+	} else if (!isLongClickable) { // don't use TooltipCompat if has a LongClickListener
+		TooltipCompat.setTooltipText(this, tooltip)
 	}
 }
 
+fun View.setTooltipCompat(@StringRes tooltipResId: Int) = setTooltipCompat(context.getString(tooltipResId))
+
 val Toolbar.menuView: ActionMenuView?
 	get() {
 		menu // to call ensureMenu()
@@ -201,7 +204,7 @@ fun Chip.setProgressIcon() {
 fun View.setContentDescriptionAndTooltip(@StringRes resId: Int) {
 	val text = resources.getString(resId)
 	contentDescription = text
-	TooltipCompat.setTooltipText(this, text)
+	setTooltipCompat(text)
 }
 
 fun View.getWindowBounds(): Rect {

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

@@ -7,97 +7,115 @@ import org.koitharu.kotatsu.core.ui.model.MangaOverride
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaState
 import org.koitharu.kotatsu.parsers.util.ifNullOrEmpty
 import org.koitharu.kotatsu.parsers.util.nullIfEmpty
 import org.koitharu.kotatsu.reader.data.filterChapters
 import java.util.Locale
 
 data class MangaDetails(
-	private val manga: Manga,
-	private val localManga: LocalManga?,
-	private val override: MangaOverride?,
-	val description: CharSequence?,
-	val isLoaded: Boolean,
+    private val manga: Manga,
+    private val localManga: LocalManga?,
+    private val override: MangaOverride?,
+    val description: CharSequence?,
+    val isLoaded: Boolean,
 ) {
 
-	constructor(manga: Manga) : this(
-		manga = manga,
-		localManga = null,
-		override = null,
-		description = null,
-		isLoaded = false,
-	)
+    constructor(manga: Manga) : this(
+        manga = manga,
+        localManga = null,
+        override = null,
+        description = null,
+        isLoaded = false,
+    )
 
-	val id: Long
-		get() = manga.id
+    val id: Long
+        get() = manga.id
 
-	val chapters: Map<String?, List<MangaChapter>> = manga.chapters?.groupBy { it.branch }.orEmpty()
+    val allChapters: List<MangaChapter> by lazy { mergeChapters() }
 
-	val branches: Set<String?>
-		get() = chapters.keys
+    val chapters: Map<String?, List<MangaChapter>> by lazy {
+        allChapters.groupBy { it.branch }
+    }
 
-	val allChapters: List<MangaChapter> by lazy { mergeChapters() }
+    val isLocal
+        get() = manga.isLocal
 
-	val isLocal
-		get() = manga.isLocal
+    val local: LocalManga?
+        get() = localManga ?: if (manga.isLocal) LocalManga(manga) else null
 
-	val local: LocalManga?
-		get() = localManga ?: if (manga.isLocal) LocalManga(manga) else null
+    val coverUrl: String?
+        get() = override?.coverUrl
+            .ifNullOrEmpty { manga.largeCoverUrl }
+            .ifNullOrEmpty { manga.coverUrl }
+            .ifNullOrEmpty { localManga?.manga?.coverUrl }
+            ?.nullIfEmpty()
 
-	val coverUrl: String?
-		get() = override?.coverUrl
-			.ifNullOrEmpty { manga.largeCoverUrl }
-			.ifNullOrEmpty { manga.coverUrl }
-			.ifNullOrEmpty { localManga?.manga?.coverUrl }
-			?.nullIfEmpty()
+    val isRestricted: Boolean
+        get() = manga.state == MangaState.RESTRICTED
 
-	fun toManga() = manga.withOverride(override)
+    private val mergedManga by lazy {
+        if (localManga == null) {
+            // fast path
+            manga.withOverride(override)
+        } else {
+            manga.copy(
+                title = override?.title.ifNullOrEmpty { manga.title },
+                coverUrl = override?.coverUrl.ifNullOrEmpty { manga.coverUrl },
+                largeCoverUrl = override?.coverUrl.ifNullOrEmpty { manga.largeCoverUrl },
+                contentRating = override?.contentRating ?: manga.contentRating,
+                chapters = allChapters,
+            )
+        }
+    }
 
-	fun getLocale(): Locale? {
-		findAppropriateLocale(chapters.keys.singleOrNull())?.let {
-			return it
-		}
-		return manga.source.getLocale()
-	}
+    fun toManga() = mergedManga
 
-	fun filterChapters(branch: String?) = copy(
-		manga = manga.filterChapters(branch),
-		localManga = localManga?.run {
-			copy(manga = manga.filterChapters(branch))
-		},
-	)
+    fun getLocale(): Locale? {
+        findAppropriateLocale(chapters.keys.singleOrNull())?.let {
+            return it
+        }
+        return manga.source.getLocale()
+    }
 
-	private fun mergeChapters(): List<MangaChapter> {
-		val chapters = manga.chapters
-		val localChapters = local?.manga?.chapters.orEmpty()
-		if (chapters.isNullOrEmpty()) {
-			return localChapters
-		}
-		val localMap = if (localChapters.isNotEmpty()) {
-			localChapters.associateByTo(LinkedHashMap(localChapters.size)) { it.id }
-		} else {
-			null
-		}
-		val result = ArrayList<MangaChapter>(chapters.size)
-		for (chapter in chapters) {
-			val local = localMap?.remove(chapter.id)
-			result += local ?: chapter
-		}
-		if (!localMap.isNullOrEmpty()) {
-			result.addAll(localMap.values)
-		}
-		return result
-	}
+    fun filterChapters(branch: String?) = copy(
+        manga = manga.filterChapters(branch),
+        localManga = localManga?.run {
+            copy(manga = manga.filterChapters(branch))
+        },
+    )
 
-	private fun findAppropriateLocale(name: String?): Locale? {
-		if (name.isNullOrEmpty()) {
-			return null
-		}
-		return Locale.getAvailableLocales().find { lc ->
-			name.contains(lc.getDisplayName(lc), ignoreCase = true) ||
-				name.contains(lc.getDisplayName(Locale.ENGLISH), ignoreCase = true) ||
-				name.contains(lc.getDisplayLanguage(lc), ignoreCase = true) ||
-				name.contains(lc.getDisplayLanguage(Locale.ENGLISH), ignoreCase = true)
-		}
-	}
+    private fun mergeChapters(): List<MangaChapter> {
+        val chapters = manga.chapters
+        val localChapters = local?.manga?.chapters.orEmpty()
+        if (chapters.isNullOrEmpty()) {
+            return localChapters
+        }
+        val localMap = if (localChapters.isNotEmpty()) {
+            localChapters.associateByTo(LinkedHashMap(localChapters.size)) { it.id }
+        } else {
+            null
+        }
+        val result = ArrayList<MangaChapter>(chapters.size)
+        for (chapter in chapters) {
+            val local = localMap?.remove(chapter.id)
+            result += local ?: chapter
+        }
+        if (!localMap.isNullOrEmpty()) {
+            result.addAll(localMap.values)
+        }
+        return result
+    }
+
+    private fun findAppropriateLocale(name: String?): Locale? {
+        if (name.isNullOrEmpty()) {
+            return null
+        }
+        return Locale.getAvailableLocales().find { lc ->
+            name.contains(lc.getDisplayName(lc), ignoreCase = true) ||
+                name.contains(lc.getDisplayName(Locale.ENGLISH), ignoreCase = true) ||
+                name.contains(lc.getDisplayLanguage(lc), ignoreCase = true) ||
+                name.contains(lc.getDisplayLanguage(Locale.ENGLISH), ignoreCase = true)
+        }
+    }
 }

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

@@ -9,30 +9,31 @@ import androidx.core.text.parseAsHtml
 import coil3.request.CachePolicy
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.channelFlow
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.flow.FlowCollector
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.runInterruptible
-import okio.IOException
 import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.nav.MangaIntent
 import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.CachingMangaRepository
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.core.util.ext.peek
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import org.koitharu.kotatsu.core.ui.model.MangaOverride
 import org.koitharu.kotatsu.core.util.ext.sanitize
 import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.explore.domain.RecoverMangaUseCase
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
+import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.util.nullIfEmpty
 import org.koitharu.kotatsu.parsers.util.recoverNotNull
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import org.koitharu.kotatsu.tracker.domain.CheckNewChaptersUseCase
 import javax.inject.Inject
-import javax.inject.Provider
 
 class DetailsLoadUseCase @Inject constructor(
 	private val mangaDataRepository: MangaDataRepository,
@@ -40,84 +41,116 @@ class DetailsLoadUseCase @Inject constructor(
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 	private val recoverUseCase: RecoverMangaUseCase,
 	private val imageGetter: Html.ImageGetter,
-	private val newChaptersUseCaseProvider: Provider<CheckNewChaptersUseCase>,
 	private val networkState: NetworkState,
 ) {
 
-	operator fun invoke(intent: MangaIntent, force: Boolean): Flow<MangaDetails> = channelFlow {
+	operator fun invoke(intent: MangaIntent, force: Boolean): Flow<MangaDetails> = flow {
 		val manga = requireNotNull(mangaDataRepository.resolveIntent(intent, withChapters = true)) {
 			"Cannot resolve intent $intent"
 		}
 		val override = mangaDataRepository.getOverride(manga.id)
-		send(
+		emit(
 			MangaDetails(
 				manga = manga,
 				localManga = null,
 				override = override,
-				description = null,
+				description = manga.description?.parseAsHtml(withImages = false),
 				isLoaded = false,
 			),
 		)
-		val local = if (!manga.isLocal) {
-			async {
-				localMangaRepository.findSavedManga(manga)
-			}
+		if (manga.isLocal) {
+			loadLocal(manga, override, force)
 		} else {
-			null
+			loadRemote(manga, override, force)
 		}
-		if (!force && networkState.isOfflineOrRestricted()) {
-			// try to avoid loading if has saved manga
-			val localManga = local?.await()
-			if (manga.isLocal || localManga != null) {
-				send(
-					MangaDetails(
-						manga = manga,
-						localManga = localManga,
-						override = override,
-						description = manga.description?.parseAsHtml(withImages = true)?.trim(),
-						isLoaded = true,
-					),
-				)
-				return@channelFlow
-			}
+	}.distinctUntilChanged()
+		.flowOn(Dispatchers.Default)
+
+	/**
+	 * Load local manga + try to load the linked remote one if network is not restricted
+	 * Suppress any network errors
+	 */
+	private suspend fun FlowCollector<MangaDetails>.loadLocal(manga: Manga, override: MangaOverride?, force: Boolean) {
+		val skipNetworkLoad = !force && networkState.isOfflineOrRestricted()
+		val localDetails = localMangaRepository.getDetails(manga)
+		emit(
+			MangaDetails(
+				manga = localDetails,
+				localManga = null,
+				override = override,
+				description = localDetails.description?.parseAsHtml(withImages = false),
+				isLoaded = skipNetworkLoad,
+			),
+		)
+		if (skipNetworkLoad) {
+			return
 		}
-		try {
-			val details = getDetails(manga, force)
-			launch { mangaDataRepository.updateChapters(details) }
-			launch { updateTracker(details) }
-			send(
+		val remoteManga = localMangaRepository.getRemoteManga(manga)
+		if (remoteManga == null) {
+			emit(
 				MangaDetails(
-					manga = details,
-					localManga = local?.peek(),
+					manga = localDetails,
+					localManga = null,
 					override = override,
-					description = details.description?.parseAsHtml(withImages = false)?.trim(),
-					isLoaded = false,
-				),
-			)
-			send(
-				MangaDetails(
-					manga = details,
-					localManga = local?.await(),
-					override = override,
-					description = details.description?.parseAsHtml(withImages = true)?.trim(),
+					description = localDetails.description?.parseAsHtml(withImages = true),
 					isLoaded = true,
 				),
 			)
-		} catch (e: IOException) {
-			local?.await()?.manga?.also { localManga ->
-				send(
-					MangaDetails(
-						manga = localManga,
-						localManga = null,
-						override = override,
-						description = localManga.description?.parseAsHtml(withImages = false)?.trim(),
-						isLoaded = true,
-					),
-				)
-			} ?: close(e)
+		} else {
+			val remoteDetails = getDetails(remoteManga, force).getOrNull()
+			emit(
+				MangaDetails(
+					manga = remoteDetails ?: remoteManga,
+					localManga = LocalManga(localDetails),
+					override = override,
+					description = (remoteDetails ?: localDetails).description?.parseAsHtml(withImages = true),
+					isLoaded = true,
+				),
+			)
+			if (remoteDetails != null) {
+				mangaDataRepository.updateChapters(remoteDetails)
+			}
 		}
 	}
 
+	/**
+	 * Load remote manga + saved one if available
+	 * Throw network errors after loading local manga only
+	 */
+	private suspend fun FlowCollector<MangaDetails>.loadRemote(
+		manga: Manga,
+		override: MangaOverride?,
+		force: Boolean
+	) = coroutineScope {
+		val remoteDeferred = async {
+			getDetails(manga, force)
+		}
+		val localManga = localMangaRepository.findSavedManga(manga, withDetails = true)
+		if (localManga != null) {
+			emit(
+				MangaDetails(
+					manga = manga,
+					localManga = localManga,
+					override = override,
+					description = localManga.manga.description?.parseAsHtml(withImages = true),
+					isLoaded = false,
+				),
+			)
+		}
+		val remoteDetails = remoteDeferred.await().getOrThrow()
+		emit(
+			MangaDetails(
+				manga = remoteDetails,
+				localManga = localManga,
+				override = override,
+				description = (remoteDetails.description
+					?: localManga?.manga?.description)?.parseAsHtml(withImages = true),
+				isLoaded = true,
+			),
+		)
+		mangaDataRepository.updateChapters(remoteDetails)
+	}
+
 	private suspend fun getDetails(seed: Manga, force: Boolean) = runCatchingCancellable {
 		val repository = mangaRepositoryFactory.create(seed.source)
 		if (repository is CachingMangaRepository) {
@@ -131,20 +164,18 @@ class DetailsLoadUseCase @Inject constructor(
 		} else {
 			null
 		}
-	}.getOrThrow()
-
-	private suspend fun String.parseAsHtml(withImages: Boolean): CharSequence? {
-		return if (withImages) {
-			runInterruptible(Dispatchers.IO) {
-				parseAsHtml(imageGetter = imageGetter)
-			}.filterSpans()
-		} else {
-			runInterruptible(Dispatchers.Default) {
-				parseAsHtml()
-			}.filterSpans().sanitize()
-		}.takeUnless { it.isBlank() }
 	}
 
+	private suspend fun String.parseAsHtml(withImages: Boolean): CharSequence? = if (withImages) {
+		runInterruptible(Dispatchers.IO) {
+			parseAsHtml(imageGetter = imageGetter)
+		}.filterSpans()
+	} else {
+		runInterruptible(Dispatchers.Default) {
+			parseAsHtml()
+		}.filterSpans().sanitize()
+	}.trim().nullIfEmpty()
+
 	private fun Spanned.filterSpans(): Spanned {
 		val spannable = SpannableString.valueOf(this)
 		val spans = spannable.getSpans<ForegroundColorSpan>()
@@ -153,10 +184,4 @@ class DetailsLoadUseCase @Inject constructor(
 		}
 		return spannable
 	}
-
-	private suspend fun updateTracker(details: Manga) = runCatchingCancellable {
-		newChaptersUseCaseProvider.get()(details)
-	}.onFailure { e ->
-		e.printStackTraceDebug()
-	}
 }

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

@@ -34,12 +34,17 @@ class ProgressUpdateUseCase @Inject constructor(
 		}
 		val chapter = details.findChapterById(history.chapterId) ?: return PROGRESS_NONE
 		val chapters = details.getChapters(chapter.branch)
+		val chapterRepo = if (repo.source == chapter.source) {
+			repo
+		} else {
+			mangaRepositoryFactory.create(chapter.source)
+		}
 		val chaptersCount = chapters.size
 		if (chaptersCount == 0) {
 			return PROGRESS_NONE
 		}
 		val chapterIndex = chapters.indexOfFirst { x -> x.id == history.chapterId }
-		val pagesCount = repo.getPages(chapter).size
+		val pagesCount = chapterRepo.getPages(chapter).size
 		if (pagesCount == 0) {
 			return PROGRESS_NONE
 		}

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

@@ -27,7 +27,7 @@ class ReadingTimeUseCase @Inject constructor(
 		// Impossible task, I guess. Good luck on this.
 		var averageTimeSec: Int = 20 /* pages */ * getSecondsPerPage(manga.id) * chapters.size
 		if (isOnHistoryBranch) {
-			averageTimeSec = (averageTimeSec * (1f - checkNotNull(history).percent)).roundToInt()
+			averageTimeSec = (averageTimeSec * (1f - history.percent)).roundToInt()
 		}
 		if (averageTimeSec < 60) {
 			return null

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

@@ -16,6 +16,7 @@ fun MangaDetails.mapChapters(
 	branch: String?,
 	bookmarks: List<Bookmark>,
 	isGrid: Boolean,
+	isDownloadedOnly: Boolean,
 ): List<ChapterListItem> {
 	val remoteChapters = chapters[branch].orEmpty()
 	val localChapters = local?.manga?.getChapters(branch).orEmpty()
@@ -35,19 +36,21 @@ fun MangaDetails.mapChapters(
 		null
 	}
 	var isUnread = currentChapterId !in ids
-	for (chapter in remoteChapters) {
-		val local = localMap?.remove(chapter.id)
-		if (chapter.id == currentChapterId) {
-			isUnread = true
+	if (!isDownloadedOnly || local?.manga?.chapters == null) {
+		for (chapter in remoteChapters) {
+			val local = localMap?.remove(chapter.id)
+			if (chapter.id == currentChapterId) {
+				isUnread = true
+			}
+			result += (local ?: chapter).toListItem(
+				isCurrent = chapter.id == currentChapterId,
+				isUnread = isUnread,
+				isNew = isUnread && result.size >= newFrom,
+				isDownloaded = local != null,
+				isBookmarked = chapter.id in bookmarked,
+				isGrid = isGrid,
+			)
 		}
-		result += (local ?: chapter).toListItem(
-			isCurrent = chapter.id == currentChapterId,
-			isUnread = isUnread,
-			isNew = isUnread && result.size >= newFrom,
-			isDownloaded = local != null,
-			isBookmarked = chapter.id in bookmarked,
-			isGrid = isGrid,
-		)
 	}
 	if (!localMap.isNullOrEmpty()) {
 		for (chapter in localMap.values) {

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

@@ -2,7 +2,6 @@ package org.koitharu.kotatsu.details.ui
 
 import android.app.assist.AssistContent
 import android.content.Context
-import android.os.Build
 import android.os.Bundle
 import android.text.SpannedString
 import android.view.Gravity
@@ -11,7 +10,6 @@ import android.view.ViewGroup
 import android.view.ViewTreeObserver
 import android.widget.Toast
 import androidx.activity.viewModels
-import androidx.appcompat.widget.TooltipCompat
 import androidx.core.text.buildSpannedString
 import androidx.core.text.inSpans
 import androidx.core.text.method.LinkMovementMethodCompat
@@ -80,6 +78,7 @@ import org.koitharu.kotatsu.core.util.ext.mangaSourceExtra
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.parentView
+import org.koitharu.kotatsu.core.util.ext.setTooltipCompat
 import org.koitharu.kotatsu.core.util.ext.start
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
@@ -209,9 +208,7 @@ class DetailsActivity :
 
 	override fun onProvideAssistContent(outContent: AssistContent) {
 		super.onProvideAssistContent(outContent)
-		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-			viewModel.getMangaOrNull()?.publicUrl?.toUriOrNull()?.let { outContent.webUri = it }
-		}
+		viewModel.getMangaOrNull()?.publicUrl?.toUriOrNull()?.let { outContent.webUri = it }
 	}
 
 	override fun isNsfwContent(): Flow<Boolean> = viewModel.manga.map { it?.contentRating == ContentRating.ADULT }
@@ -260,7 +257,7 @@ class DetailsActivity :
 			R.id.button_scrobbling_more -> {
 				router.showScrobblingSelectorSheet(
 					manga = viewModel.getMangaOrNull() ?: return,
-					scrobblerService = viewModel.scrobblingInfo.value.firstOrNull()?.scrobbler
+					scrobblerService = viewModel.scrobblingInfo.value.firstOrNull()?.scrobbler,
 				)
 			}
 
@@ -389,7 +386,7 @@ class DetailsActivity :
 				mangaGridItemAD(
 					sizeResolver = StaticItemSizeResolver(resources.getDimensionPixelSize(R.dimen.smaller_grid_width)),
 				) { item, view ->
-					router.openDetails(item)
+					router.openDetails(item.toMangaWithOverride())
 				},
 			).also { rv.adapter = it }
 		adapter.items = related
@@ -455,7 +452,7 @@ class DetailsActivity :
 				textViewSourceLabel.isVisible = false
 			} else {
 				textViewSource.textAndVisible = manga.source.getTitle(this@DetailsActivity)
-				TooltipCompat.setTooltipText(textViewSource, manga.source.getSummary(this@DetailsActivity))
+				textViewSource.setTooltipCompat(manga.source.getSummary(this@DetailsActivity))
 				textViewSourceLabel.isVisible = textViewSource.isVisible == true
 			}
 			val faviconPlaceholderFactory = FaviconDrawable.Factory(R.style.FaviconDrawable_Chip)

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

@@ -140,6 +140,7 @@ class DetailsViewModel @Inject constructor(
 		get() = scrobblers.any { it.isEnabled }
 
 	val scrobblingInfo: StateFlow<List<ScrobblingInfo>> = interactor.observeScrobblingInfo(mangaId)
+		.withErrorHandling()
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
 	val relatedManga: StateFlow<List<MangaListModel>> = manga.mapLatest {
@@ -182,7 +183,7 @@ class DetailsViewModel @Inject constructor(
 
 	init {
 		loadingJob = doLoad(force = false)
-		launchJob(Dispatchers.Default) {
+		launchJob(Dispatchers.Default + SkipErrors) {
 			val manga = mangaDetails.firstOrNull { !it?.chapters.isNullOrEmpty() } ?: return@launchJob
 			val h = history.firstOrNull()
 			if (h != null) {

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

@@ -106,7 +106,7 @@ class ReadButtonDelegate(
 	}
 
 	private fun openReader(isIncognitoMode: Boolean) {
-		val manga = viewModel.manga.value ?: return
+		val manga = viewModel.getMangaOrNull() ?: return
 		if (viewModel.historyInfo.value.isChapterMissing) {
 			Snackbar.make(buttonRead, R.string.chapter_is_missing, Snackbar.LENGTH_SHORT)
 				.show() // TODO