Translated using Weblate (Vietnamese)

Currently translated at 89.2% (399 of 447 strings)

Co-authored-by: Cookies <Nekop1845@proton.me>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/vi/
Translation: Kotatsu/Strings

.github/ISSUE_TEMPLATE/report_bug.yml

@@ -61,4 +61,6 @@ body:
           label: Acknowledgements
           options:
               - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open issue.
-                required: true
+                required: true
+              - label: If this is an issue with a parser, I should be opening an issue in the [parsers repository](https://github.com/KotatsuApp/kotatsu-parsers/issues/new/choose).
+                required: true

.idea/.gitignore

@@ -1,3 +1,4 @@
 # Default ignored files
 /shelf/
 /workspace.xml
+/migrations.xml

.idea/gradle.xml

@@ -4,8 +4,6 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
@@ -14,6 +12,7 @@
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
+        <option name="resolveExternalAnnotations" value="false" />
       </GradleProjectSettings>
     </option>
   </component>

app/build.gradle

@@ -14,9 +14,11 @@ android {
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
+		//TODO: update as soon as sources becomes available
+		//noinspection OldTargetApi
 		targetSdkVersion 33
-		versionCode 553
-		versionName '5.2.1'
+		versionCode 561
+		versionName '5.3.4'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -79,12 +81,12 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:f732582d55') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:06a043d290') {
 		exclude group: 'org.json', module: 'json'
 	}
 
 	implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.8.22'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.1'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.2'
 
 	implementation 'androidx.appcompat:appcompat:1.6.1'
 	implementation 'androidx.core:core-ktx:1.10.1'
@@ -104,21 +106,23 @@ dependencies {
 	//noinspection LifecycleAnnotationProcessorWithJava8
 	kapt 'androidx.lifecycle:lifecycle-compiler:2.6.1'
 
+	// TODO https://issuetracker.google.com/issues/254846063
 	implementation 'androidx.work:work-runtime-ktx:2.8.1'
 	//noinspection GradleDependency
-	implementation('com.google.guava:guava:32.0.0-android') {
+	implementation('com.google.guava:guava:32.0.1-android') {
 		exclude group: 'com.google.guava', module: 'failureaccess'
 		exclude group: 'org.checkerframework', module: 'checker-qual'
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
 	}
 
-	implementation 'androidx.room:room-runtime:2.5.1'
-	implementation 'androidx.room:room-ktx:2.5.1'
-	kapt 'androidx.room:room-compiler:2.5.1'
+	implementation 'androidx.room:room-runtime:2.5.2'
+	implementation 'androidx.room:room-ktx:2.5.2'
+	//noinspection KaptUsageInsteadOfKsp
+	kapt 'androidx.room:room-compiler:2.5.2'
 
 	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
-	implementation 'com.squareup.okio:okio:3.3.0'
+	implementation 'com.squareup.okio:okio:3.4.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
@@ -130,27 +134,27 @@ dependencies {
 
 	implementation 'io.coil-kt:coil-base:2.4.0'
 	implementation 'io.coil-kt:coil-svg:2.4.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:1b19231b2f'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:9b1d20be67'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.9.7'
-	implementation 'ch.acra:acra-dialog:5.9.7'
+	implementation 'ch.acra:acra-http:5.10.1'
+	implementation 'ch.acra:acra-dialog:5.10.1'
 
-	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.11'
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.json:json:20230227'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.1'
+	testImplementation 'org.json:json:20230618'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.2'
 
 	androidTestImplementation 'androidx.test:runner:1.5.2'
 	androidTestImplementation 'androidx.test:rules:1.5.0'
 	androidTestImplementation 'androidx.test:core-ktx:1.5.0'
 	androidTestImplementation 'androidx.test.ext:junit-ktx:1.1.5'
 
-	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.1'
+	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.2'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.1'
+	androidTestImplementation 'androidx.room:room-testing:2.5.2'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
 
 	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.46.1'

app/src/main/AndroidManifest.xml

@@ -18,6 +18,22 @@
 	<uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
 	<uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
 	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+	<uses-permission
+		android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+		android:maxSdkVersion="29" />
+	<uses-permission
+		android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
+		tools:ignore="ScopedStorage" />
+
+	<queries>
+		<intent>
+			<action android:name="android.intent.action.PROCESS_TEXT" />
+			<data android:mimeType="text/plain" />
+		</intent>
+		<intent>
+			<action android:name="android.speech.action.RECOGNIZE_SPEECH" />
+		</intent>
+	</queries>
 
 	<application
 		android:name="org.koitharu.kotatsu.KotatsuApp"
@@ -32,6 +48,7 @@
 		android:largeHeap="true"
 		android:localeConfig="@xml/locales"
 		android:networkSecurityConfig="@xml/network_security_config"
+		android:requestLegacyExternalStorage="true"
 		android:roundIcon="@mipmap/ic_launcher_round"
 		android:supportsRtl="true"
 		android:theme="@style/Theme.Kotatsu"
@@ -98,6 +115,9 @@
 				<data android:host="sync-settings" />
 			</intent-filter>
 		</activity>
+		<activity
+			android:name="org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity"
+			android:label="@string/local_manga_directories" />
 		<activity
 			android:name="org.koitharu.kotatsu.browser.BrowserActivity"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
@@ -188,8 +208,7 @@
 		<service
 			android:name="org.koitharu.kotatsu.sync.ui.favourites.FavouritesSyncService"
 			android:exported="false"
-			android:label="@string/favourites"
-			android:process=":sync">
+			android:label="@string/favourites">
 			<intent-filter>
 				<action android:name="android.content.SyncAdapter" />
 			</intent-filter>
@@ -200,8 +219,7 @@
 		<service
 			android:name="org.koitharu.kotatsu.sync.ui.history.HistorySyncService"
 			android:exported="false"
-			android:label="@string/history"
-			android:process=":sync">
+			android:label="@string/history">
 			<intent-filter>
 				<action android:name="android.content.SyncAdapter" />
 			</intent-filter>

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

@@ -28,6 +28,7 @@ import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.settings.work.WorkScheduleManager
 import javax.inject.Inject
 
 @HiltAndroidApp
@@ -51,6 +52,9 @@ class KotatsuApp : Application(), Configuration.Provider {
 	@Inject
 	lateinit var appValidator: AppValidator
 
+	@Inject
+	lateinit var workScheduleManager: WorkScheduleManager
+
 	override fun onCreate() {
 		super.onCreate()
 		ACRA.errorReporter.putCustomData("isOriginalApp", appValidator.isOriginalApp.toString())
@@ -63,6 +67,7 @@ class KotatsuApp : Application(), Configuration.Provider {
 		processLifecycleScope.launch(Dispatchers.Default) {
 			setupDatabaseObservers()
 		}
+		workScheduleManager.init()
 		WorkServiceStopHelper(applicationContext).setup()
 	}
 

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

@@ -8,6 +8,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import android.webkit.CookieManager
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
@@ -16,6 +17,7 @@ import org.koitharu.kotatsu.core.network.CommonHeadersInterceptor
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.util.ext.catchingWebViewUnavailability
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import com.google.android.material.R as materialR
 
 @SuppressLint("SetJavaScriptEnabled")
@@ -34,8 +36,9 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		}
 		with(viewBinding.webView.settings) {
 			javaScriptEnabled = true
-			userAgentString = CommonHeadersInterceptor.userAgentChrome
+			userAgentString = UserAgents.CHROME_MOBILE
 		}
+		CookieManager.getInstance().setAcceptThirdPartyCookies(viewBinding.webView, true)
 		viewBinding.webView.webViewClient = BrowserClient(this)
 		viewBinding.webView.webChromeClient = ProgressChromeClient(viewBinding.progressBar)
 		onBackPressedCallback = WebViewBackPressedCallback(viewBinding.webView)

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

@@ -24,6 +24,7 @@ import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.util.TaggedActivityResult
 import org.koitharu.kotatsu.core.util.ext.catchingWebViewUnavailability
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import javax.inject.Inject
 import com.google.android.material.R as materialR
 
@@ -49,10 +50,9 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		val url = intent?.dataString.orEmpty()
 		with(viewBinding.webView.settings) {
 			javaScriptEnabled = true
-			cacheMode = WebSettings.LOAD_DEFAULT
 			domStorageEnabled = true
 			databaseEnabled = true
-			userAgentString = intent?.getStringExtra(ARG_UA) ?: CommonHeadersInterceptor.userAgentFallback
+			userAgentString = intent?.getStringExtra(ARG_UA) ?: UserAgents.CHROME_MOBILE
 		}
 		viewBinding.webView.webViewClient = CloudFlareClient(cookieJar, this, url)
 		onBackPressedCallback = WebViewBackPressedCallback(viewBinding.webView).also {

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

@@ -33,11 +33,21 @@ abstract class ErrorObserver(
 		return resolver != null && ExceptionResolver.canResolve(error)
 	}
 
+	private fun isAlive(): Boolean {
+		return when {
+			fragment != null -> fragment.view != null
+			activity != null -> !activity.isDestroyed
+			else -> true
+		}
+	}
+
 	protected fun resolve(error: Throwable) {
-		lifecycleScope.launch {
-			val isResolved = resolver?.resolve(error) ?: false
-			if (isActive) {
-				onResolved?.accept(isResolved)
+		if (isAlive()) {
+			lifecycleScope.launch {
+				val isResolved = resolver?.resolve(error) ?: false
+				if (isActive) {
+					onResolved?.accept(isResolved)
+				}
 			}
 		}
 	}

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

@@ -0,0 +1,17 @@
+package org.koitharu.kotatsu.core.exceptions.resolve
+
+import android.view.View
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
+
+class ToastErrorObserver(
+	host: View,
+	fragment: Fragment?,
+) : ErrorObserver(host, fragment, null, null) {
+
+	override suspend fun emit(value: Throwable) {
+		val toast = Toast.makeText(host.context, value.getDisplayMessage(host.context.resources), Toast.LENGTH_SHORT)
+		toast.show()
+	}
+}

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

@@ -8,10 +8,14 @@ import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
+@JvmName("mangaIds")
 fun Collection<Manga>.ids() = mapToSet { it.id }
 
 fun Collection<Manga>.distinctById() = distinctBy { it.id }
 
+@JvmName("chaptersIds")
+fun Collection<MangaChapter>.ids() = mapToSet { it.id }
+
 fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 	if (size <= 1) {
 		return size

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

@@ -13,13 +13,13 @@ private const val SERVER_CLOUDFLARE = "cloudflare"
 class CloudFlareInterceptor : Interceptor {
 
 	override fun intercept(chain: Interceptor.Chain): Response {
-		val request = chain.request()
-		val response = chain.proceed(request)
+		val response = chain.proceed(chain.request())
 		if (response.code == HTTP_FORBIDDEN || response.code == HTTP_UNAVAILABLE) {
 			if (response.header(HEADER_SERVER)?.startsWith(SERVER_CLOUDFLARE) == true) {
+				val request = response.request
 				response.closeQuietly()
 				throw CloudFlareProtectedException(
-					url = response.request.url.toString(),
+					url = request.url.toString(),
 					headers = request.headers,
 				)
 			}

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

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.core.network
 
-import android.os.Build
 import android.util.Log
 import dagger.Lazy
 import okhttp3.Headers
@@ -10,11 +9,11 @@ import okhttp3.Response
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
-import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.mergeWith
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.network.UserAgents
+import org.koitharu.kotatsu.parsers.util.mergeWith
 import java.net.IDN
-import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -39,7 +38,7 @@ class CommonHeadersInterceptor @Inject constructor(
 			headersBuilder.mergeWith(it, replaceExisting = false)
 		}
 		if (headersBuilder[CommonHeaders.USER_AGENT] == null) {
-			headersBuilder[CommonHeaders.USER_AGENT] = userAgentFallback
+			headersBuilder[CommonHeaders.USER_AGENT] = UserAgents.CHROME_MOBILE
 		}
 		if (headersBuilder[CommonHeaders.REFERER] == null && repository != null) {
 			val idn = IDN.toASCII(repository.domain)
@@ -62,26 +61,4 @@ class CommonHeadersInterceptor @Inject constructor(
 
 		override fun request(): Request = request
 	}
-
-	companion object {
-
-		val userAgentFallback
-			get() = "Kotatsu/%s (Android %s; %s; %s %s; %s)".format(
-				BuildConfig.VERSION_NAME,
-				Build.VERSION.RELEASE,
-				Build.MODEL,
-				Build.BRAND,
-				Build.DEVICE,
-				Locale.getDefault().language,
-			)
-
-		val userAgentChrome
-			get() = (
-				"Mozilla/5.0 (Linux; Android %s; %s) AppleWebKit/537.36 (KHTML, like Gecko) " +
-					"Chrome/100.0.4896.127 Mobile Safari/537.36"
-				).format(
-					Build.VERSION.RELEASE,
-					Build.MODEL,
-				)
-	}
 }

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

@@ -4,6 +4,7 @@ import android.webkit.CookieManager
 import androidx.annotation.WorkerThread
 import okhttp3.Cookie
 import okhttp3.HttpUrl
+import org.koitharu.kotatsu.core.util.ext.newBuilder
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
@@ -30,6 +31,21 @@ class AndroidCookieJar : MutableCookieJar {
 		}
 	}
 
+	override fun removeCookies(url: HttpUrl) {
+		val cookies = loadForRequest(url)
+		if (cookies.isEmpty()) {
+			return
+		}
+		val urlString = url.toString()
+		for (c in cookies) {
+			val nc = c.newBuilder()
+				.expiresAt(System.currentTimeMillis() - 100000)
+				.build()
+			cookieManager.setCookie(urlString, nc.toString())
+		}
+		check(loadForRequest(url).isEmpty())
+	}
+
 	override suspend fun clear() = suspendCoroutine<Boolean> { continuation ->
 		cookieManager.removeAllCookies(continuation::resume)
 	}

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

@@ -13,5 +13,8 @@ interface MutableCookieJar : CookieJar {
 	@WorkerThread
 	override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>)
 
+	@WorkerThread
+	fun removeCookies(url: HttpUrl)
+
 	suspend fun clear(): Boolean
 }

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

@@ -21,6 +21,7 @@ class PreferencesCookieJar(
 	private var isLoaded = false
 
 	@WorkerThread
+	@Synchronized
 	override fun loadForRequest(url: HttpUrl): List<Cookie> {
 		loadPersistent()
 		val expired = HashSet<String>()
@@ -40,6 +41,7 @@ class PreferencesCookieJar(
 	}
 
 	@WorkerThread
+	@Synchronized
 	override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {
 		val wrapped = cookies.map { CookieWrapper(it) }
 		prefs.edit(commit = true) {
@@ -53,6 +55,22 @@ class PreferencesCookieJar(
 		}
 	}
 
+	@Synchronized
+	@WorkerThread
+	override fun removeCookies(url: HttpUrl) {
+		loadPersistent()
+		val toRemove = HashSet<String>()
+		for ((key, cookie) in cache) {
+			if (cookie.isExpired() || cookie.cookie.matches(url)) {
+				toRemove += key
+			}
+		}
+		if (toRemove.isNotEmpty()) {
+			cache.removeAll(toRemove)
+			removePersistent(toRemove)
+		}
+	}
+
 	override suspend fun clear(): Boolean {
 		cache.clear()
 		withContext(Dispatchers.IO) {

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

@@ -9,6 +9,6 @@ fun MangaParser(source: MangaSource, loaderContext: MangaLoaderContext): MangaPa
 	return if (source == MangaSource.DUMMY) {
 		DummyParser(loaderContext)
 	} else {
-		source.newParser(loaderContext)
+		loaderContext.newParserInstance(source)
 	}
-}
+}

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

@@ -21,9 +21,11 @@ import org.koitharu.kotatsu.core.util.ext.filterToSet
 import org.koitharu.kotatsu.core.util.ext.getEnumValue
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
+import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.shelf.domain.model.ShelfSection
 import java.io.File
@@ -234,14 +236,28 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			if (key == null) ScreenshotsPolicy.ALLOW else ScreenshotsPolicy.valueOf(key)
 		}.getOrDefault(ScreenshotsPolicy.ALLOW)
 
+	var userSpecifiedMangaDirectories: Set<File>
+		get() {
+			val set = prefs.getStringSet(KEY_LOCAL_MANGA_DIRS, emptySet()).orEmpty()
+			return set.mapNotNullToSet { File(it).takeIfReadable() }
+		}
+		set(value) {
+			val set = value.mapToSet { it.absolutePath }
+			prefs.edit { putStringSet(KEY_LOCAL_MANGA_DIRS, set) }
+		}
+
 	var mangaStorageDir: File?
 		get() = prefs.getString(KEY_LOCAL_STORAGE, null)?.let {
 			File(it)
-		}?.takeIf { it.exists() }
+		}?.takeIf { it.exists() && it in userSpecifiedMangaDirectories }
 		set(value) = prefs.edit {
 			if (value == null) {
 				remove(KEY_LOCAL_STORAGE)
 			} else {
+				val userDirs = userSpecifiedMangaDirectories
+				if (value !in userDirs) {
+					userSpecifiedMangaDirectories = userDirs + value
+				}
 				putString(KEY_LOCAL_STORAGE, value.path)
 			}
 		}
@@ -461,6 +477,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_PROXY_LOGIN = "proxy_login"
 		const val KEY_PROXY_PASSWORD = "proxy_password"
 		const val KEY_IMAGES_PROXY = "images_proxy"
+		const val KEY_LOCAL_MANGA_DIRS = "local_manga_dirs"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

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

@@ -14,6 +14,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.ActionBarContextView
 import androidx.appcompat.widget.Toolbar
+import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.ColorUtils
 import androidx.core.view.ViewCompat
@@ -103,8 +104,7 @@ abstract class BaseActivity<B : ViewBinding> :
 
 	override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
 		if (BuildConfig.DEBUG && keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
-			// ActivityCompat.recreate(this)
-			error("Test")
+			ActivityCompat.recreate(this)
 			return true
 		}
 		return super.onKeyDown(keyCode, event)

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

@@ -34,7 +34,7 @@ abstract class BaseViewModel : ViewModel() {
 
 	val isLoading: StateFlow<Boolean>
 		get() = loadingCounter.map { it > 0 }
-			.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), false)
+			.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), loadingCounter.value > 0)
 
 	protected fun launchJob(
 		context: CoroutineContext = EmptyCoroutineContext,

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

@@ -1,101 +0,0 @@
-package org.koitharu.kotatsu.core.ui.dialog
-
-import android.content.Context
-import android.content.DialogInterface
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.BaseAdapter
-import androidx.annotation.StringRes
-import androidx.appcompat.app.AlertDialog
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import kotlinx.coroutines.runBlocking
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.databinding.ItemStorageBinding
-import org.koitharu.kotatsu.local.data.LocalStorageManager
-import java.io.File
-
-class StorageSelectDialog private constructor(private val delegate: AlertDialog) :
-	DialogInterface by delegate {
-
-	fun show() = delegate.show()
-
-	class Builder(context: Context, storageManager: LocalStorageManager, listener: OnStorageSelectListener) {
-
-		private val adapter = VolumesAdapter(storageManager)
-		private val delegate = MaterialAlertDialogBuilder(context)
-
-		init {
-			if (adapter.isEmpty) {
-				delegate.setMessage(R.string.cannot_find_available_storage)
-			} else {
-				val defaultValue = runBlocking {
-					storageManager.getDefaultWriteableDir()
-				}
-				adapter.selectedItemPosition = adapter.volumes.indexOfFirst {
-					it.first.canonicalPath == defaultValue?.canonicalPath
-				}
-				delegate.setAdapter(adapter) { d, i ->
-					listener.onStorageSelected(adapter.getItem(i).first)
-					d.dismiss()
-				}
-			}
-		}
-
-		fun setTitle(@StringRes titleResId: Int): Builder {
-			delegate.setTitle(titleResId)
-			return this
-		}
-
-		fun setTitle(title: CharSequence): Builder {
-			delegate.setTitle(title)
-			return this
-		}
-
-		fun setNegativeButton(@StringRes textId: Int): Builder {
-			delegate.setNegativeButton(textId, null)
-			return this
-		}
-
-		fun create() = StorageSelectDialog(delegate.create())
-	}
-
-	private class VolumesAdapter(storageManager: LocalStorageManager) : BaseAdapter() {
-
-		var selectedItemPosition: Int = -1
-		val volumes = getAvailableVolumes(storageManager)
-
-		override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
-			val view = convertView ?: LayoutInflater.from(parent.context).inflate(R.layout.item_storage, parent, false)
-			val binding = (view.tag as? ItemStorageBinding) ?: ItemStorageBinding.bind(view).also {
-				view.tag = it
-			}
-			val item = volumes[position]
-			binding.imageViewIndicator.isChecked = selectedItemPosition == position
-			binding.textViewTitle.text = item.second
-			binding.textViewSubtitle.text = item.first.path
-			return view
-		}
-
-		override fun getItem(position: Int): Pair<File, String> = volumes[position]
-
-		override fun getItemId(position: Int) = position.toLong()
-
-		override fun getCount() = volumes.size
-
-		override fun hasStableIds() = true
-
-		private fun getAvailableVolumes(storageManager: LocalStorageManager): List<Pair<File, String>> {
-			return runBlocking {
-				storageManager.getWriteableDirs().map {
-					it to storageManager.getStorageDisplayName(it)
-				}
-			}
-		}
-	}
-
-	fun interface OnStorageSelectListener {
-
-		fun onStorageSelected(file: File)
-	}
-}

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.ui.util
 
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.launch
@@ -13,7 +14,7 @@ fun interface ReversibleHandle {
 	suspend fun reverse()
 }
 
-fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.Default) {
+fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.Default, CoroutineStart.ATOMIC) {
 	runCatchingCancellable {
 		withContext(NonCancellable) {
 			reverse()

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

@@ -24,6 +24,7 @@ import com.google.android.material.shape.MaterialShapeDrawable
 import com.google.android.material.shape.ShapeAppearanceModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.resolveDp
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ViewTwoLinesItemBinding
 
 @SuppressLint("RestrictedApi")
@@ -35,6 +36,18 @@ class TwoLinesItemView @JvmOverloads constructor(
 
 	private val binding = ViewTwoLinesItemBinding.inflate(LayoutInflater.from(context), this)
 
+	var title: CharSequence?
+		get() = binding.title.text
+		set(value) {
+			binding.title.text = value
+		}
+
+	var subtitle: CharSequence?
+		get() = binding.subtitle.textAndVisible
+		set(value) {
+			binding.subtitle.textAndVisible = value
+		}
+
 	init {
 		var textColors: ColorStateList? = null
 		context.withStyledAttributes(
@@ -76,8 +89,7 @@ class TwoLinesItemView @JvmOverloads constructor(
 	}
 
 	fun setIconResource(@DrawableRes resId: Int) {
-		val icon = if (resId != 0) ContextCompat.getDrawable(context, resId) else null
-		binding.icon.setImageDrawable(icon)
+		binding.icon.setImageResource(resId)
 	}
 
 	private fun createShapeDrawable(ta: TypedArray): InsetDrawable {

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

@@ -1,6 +0,0 @@
-package org.koitharu.kotatsu.core.util
-
-fun interface BufferedObserver<T> {
-
-	fun onChanged(t: T, previous: T?)
-}

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

@@ -61,6 +61,10 @@ class WorkManagerHelper(
 		return workManagerImpl.getWorkInfoById(id).await()
 	}
 
+	suspend fun getUniqueWorkInfoByName(name: String): List<WorkInfo> {
+		return workManagerImpl.getWorkInfosForUniqueWork(name).await().orEmpty()
+	}
+
 	suspend fun updateWork(request: WorkRequest): WorkManager.UpdateResult {
 		return workManagerImpl.updateWork(request).await()
 	}

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

@@ -6,6 +6,7 @@ import android.app.ActivityManager.MemoryInfo
 import android.app.ActivityOptions
 import android.content.Context
 import android.content.Context.ACTIVITY_SERVICE
+import android.content.Context.POWER_SERVICE
 import android.content.ContextWrapper
 import android.content.OperationApplicationException
 import android.content.SharedPreferences
@@ -17,6 +18,7 @@ import android.graphics.Color
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
+import android.os.PowerManager
 import android.provider.Settings
 import android.view.View
 import android.view.ViewPropertyAnimator
@@ -51,6 +53,9 @@ import kotlin.math.roundToLong
 val Context.activityManager: ActivityManager?
 	get() = getSystemService(ACTIVITY_SERVICE) as? ActivityManager
 
+val Context.powerManager: PowerManager?
+	get() = getSystemService(POWER_SERVICE) as? PowerManager
+
 fun String.toUriOrNull() = if (isEmpty()) null else Uri.parse(this)
 
 suspend fun CoroutineWorker.trySetForeground(): Boolean = runCatchingCancellable {
@@ -141,6 +146,10 @@ fun Context.isLowRamDevice(): Boolean {
 	return activityManager?.isLowRamDevice ?: false
 }
 
+fun Context.isPowerSaveMode(): Boolean {
+	return powerManager?.isPowerSaveMode == true
+}
+
 val Context.ramAvailable: Long
 	get() {
 		val result = MemoryInfo()

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

@@ -9,8 +9,8 @@ import android.os.Parcel
 import android.os.Parcelable
 import androidx.core.content.IntentCompat
 import androidx.core.os.BundleCompat
+import androidx.core.os.ParcelCompat
 import androidx.lifecycle.SavedStateHandle
-import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaTags
 import java.io.Serializable
 
 // https://issuetracker.google.com/issues/240585930
@@ -36,11 +36,11 @@ inline fun <reified T : Serializable> Bundle.getSerializableCompat(key: String):
 }
 
 inline fun <reified T : Parcelable> Parcel.readParcelableCompat(): T? {
-	return readParcelable(ParcelableMangaTags::class.java.classLoader) as T?
+	return ParcelCompat.readParcelable(this, T::class.java.classLoader, T::class.java)
 }
 
 inline fun <reified T : Serializable> Parcel.readSerializableCompat(): T? {
-	return readSerializable() as T?
+	return ParcelCompat.readSerializable(this, T::class.java.classLoader, T::class.java)
 }
 
 inline fun <reified T : Serializable> Bundle.requireSerializable(key: String): T {
@@ -49,12 +49,6 @@ inline fun <reified T : Serializable> Bundle.requireSerializable(key: String): T
 	}
 }
 
-inline fun <reified T : Parcelable> Bundle.requireParcelable(key: String): T {
-	return checkNotNull(getParcelableCompat(key)) {
-		"Parcelable of type \"${T::class.java.name}\" not found at \"$key\""
-	}
-}
-
 fun <T> SavedStateHandle.require(key: String): T {
 	return checkNotNull(get(key)) {
 		"Value $key not found in SavedStateHandle or has a wrong type"

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

@@ -0,0 +1,90 @@
+package org.koitharu.kotatsu.core.util.ext
+
+import android.annotation.TargetApi
+import android.content.Context
+import android.net.Uri
+import android.os.Build
+import android.os.storage.StorageManager
+import android.provider.DocumentsContract
+import org.koitharu.kotatsu.parsers.util.removeSuffix
+import java.io.File
+import java.lang.reflect.Array as ArrayReflect
+
+private const val PRIMARY_VOLUME_NAME = "primary"
+
+fun Uri.resolveFile(context: Context): File? {
+	val volumeId = getVolumeIdFromTreeUri(this) ?: return null
+	val volumePath = getVolumePath(volumeId, context)?.removeSuffix(File.separatorChar) ?: return null
+	val documentPath = getDocumentPathFromTreeUri(this)?.removeSuffix(File.separatorChar) ?: return null
+
+	return File(
+		if (documentPath.isNotEmpty()) {
+			if (documentPath.startsWith(File.separator)) {
+				volumePath + documentPath
+			} else {
+				volumePath + File.separator + documentPath
+			}
+		} else {
+			volumePath
+		},
+	)
+}
+
+private fun getVolumePath(volumeId: String, context: Context): String? {
+	return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+		getVolumePathForAndroid11AndAbove(volumeId, context)
+	} else {
+		getVolumePathBeforeAndroid11(volumeId, context)
+	}
+}
+
+
+private fun getVolumePathBeforeAndroid11(volumeId: String, context: Context): String? = runCatching {
+	val mStorageManager = context.getSystemService(Context.STORAGE_SERVICE) as StorageManager
+	val storageVolumeClazz = Class.forName("android.os.storage.StorageVolume")
+	val getVolumeList = mStorageManager.javaClass.getMethod("getVolumeList")
+	val getUuid = storageVolumeClazz.getMethod("getUuid")
+	val getPath = storageVolumeClazz.getMethod("getPath")
+	val isPrimary = storageVolumeClazz.getMethod("isPrimary")
+	val result = getVolumeList.invoke(mStorageManager)
+	val length = ArrayReflect.getLength(checkNotNull(result))
+	(0 until length).firstNotNullOfOrNull { i ->
+		val storageVolumeElement = ArrayReflect.get(result, i)
+		val uuid = getUuid.invoke(storageVolumeElement) as String
+		val primary = isPrimary.invoke(storageVolumeElement) as Boolean
+		when {
+			primary && volumeId == PRIMARY_VOLUME_NAME -> getPath.invoke(storageVolumeElement) as String
+			uuid == volumeId -> getPath.invoke(storageVolumeElement) as String
+			else -> null
+		}
+	}
+}.onFailure {
+	it.printStackTraceDebug()
+}.getOrNull()
+
+@TargetApi(Build.VERSION_CODES.R)
+private fun getVolumePathForAndroid11AndAbove(volumeId: String, context: Context): String? = runCatching {
+	val storageManager = context.getSystemService(Context.STORAGE_SERVICE) as StorageManager
+	storageManager.storageVolumes.firstNotNullOfOrNull { volume ->
+		if (volume.isPrimary && volumeId == PRIMARY_VOLUME_NAME) {
+			volume.directory?.path
+		} else {
+			val uuid = volume.uuid
+			if (uuid != null && uuid == volumeId) volume.directory?.path else null
+		}
+	}
+}.onFailure {
+	it.printStackTraceDebug()
+}.getOrNull()
+
+private fun getVolumeIdFromTreeUri(treeUri: Uri): String? {
+	val docId = DocumentsContract.getTreeDocumentId(treeUri)
+	val split = docId.split(":".toRegex())
+	return split.firstOrNull()?.takeUnless { it.isEmpty() }
+}
+
+private fun getDocumentPathFromTreeUri(treeUri: Uri): String? {
+	val docId = DocumentsContract.getTreeDocumentId(treeUri)
+	val split: Array<String?> = docId.split(":".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+	return if (split.size >= 2 && split[1] != null) split[1] else File.separator
+}

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

@@ -4,6 +4,7 @@ import android.os.SystemClock
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onCompletion
@@ -62,3 +63,23 @@ fun <T> Flow<T>.zipWithPrevious(): Flow<Pair<T?, T>> = flow {
 		emit(result)
 	}
 }
+
+@Suppress("UNCHECKED_CAST")
+fun <T1, T2, T3, T4, T5, T6, R> combine(
+	flow: Flow<T1>,
+	flow2: Flow<T2>,
+	flow3: Flow<T3>,
+	flow4: Flow<T4>,
+	flow5: Flow<T5>,
+	flow6: Flow<T6>,
+	transform: suspend (T1, T2, T3, T4, T5, T6) -> R
+): Flow<R> = combine(flow, flow2, flow3, flow4, flow5, flow6) { args: Array<*> ->
+	transform(
+		args[0] as T1,
+		args[1] as T2,
+		args[2] as T3,
+		args[3] as T4,
+		args[4] as T5,
+		args[5] as T6,
+	)
+}

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import okhttp3.Cookie
 import okhttp3.HttpUrl
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.RequestBody.Companion.toRequestBody
@@ -38,3 +39,23 @@ fun Response.ensureSuccess() = apply {
 		throw IllegalStateException(message)
 	}
 }
+
+fun Cookie.newBuilder(): Cookie.Builder = Cookie.Builder().also { c ->
+	c.name(name)
+	c.value(value)
+	if (persistent) {
+		c.expiresAt(expiresAt)
+	}
+	if (hostOnly) {
+		c.hostOnlyDomain(domain)
+	} else {
+		c.domain(domain)
+	}
+	c.path(path)
+	if (secure) {
+		c.secure()
+	}
+	if (httpOnly) {
+		c.httpOnly()
+	}
+}

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

@@ -34,6 +34,7 @@ fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 
 	is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
 	is FileNotFoundException -> resources.getString(R.string.file_not_found)
+	is AccessDeniedException -> resources.getString(R.string.no_access_to_file)
 	is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
 	is SyncApiException,
 	is ContentUnavailableException,

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

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.util.ext
+
+import androidx.annotation.DrawableRes
+import androidx.appcompat.widget.Toolbar
+
+fun Toolbar.setNavigationIconSafe(@DrawableRes iconRes: Int, retry: Boolean = true) {
+	try {
+		setNavigationIcon(iconRes)
+	} catch (e: IllegalStateException) {
+		if (retry) {
+			post { setNavigationIconSafe(iconRes, retry = false) }
+		}
+	}
+}

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

@@ -10,12 +10,13 @@ import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaChapters
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.ui.CoroutineIntentService
 import org.koitharu.kotatsu.core.util.ext.getParcelableExtraCompat
+import org.koitharu.kotatsu.core.util.ext.isPowerSaveMode
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import javax.inject.Inject
 
 @AndroidEntryPoint
@@ -115,6 +116,9 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (source == MangaSource.LOCAL) {
 				return false
 			}
+			if (context.isPowerSaveMode()) {
+				return false
+			}
 			val entryPoint = EntryPointAccessors.fromApplication(context, PrefetchCompanionEntryPoint::class.java)
 			return entryPoint.contentCache.isCachingEnabled && entryPoint.settings.isContentPrefetchEnabled
 		}

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

@@ -30,6 +30,7 @@ class ChaptersBottomSheetMediator(
 	}
 
 	override fun onActionModeStarted(mode: ActionMode) {
+		behavior.state = BottomSheetBehavior.STATE_EXPANDED
 		lock()
 	}
 

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

@@ -18,6 +18,7 @@ import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.RecyclerViewScrollCallback
 import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.scaleUpActivityOptionsOf
 import org.koitharu.kotatsu.databinding.FragmentChaptersBinding
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersAdapter
@@ -66,6 +67,9 @@ class ChaptersFragment :
 		viewModel.isChaptersEmpty.observe(viewLifecycleOwner) {
 			binding.textViewHolder.isVisible = it
 		}
+		viewModel.onSelectChapter.observeEvent(viewLifecycleOwner) {
+			selectionController?.onItemLongClick(it)
+		}
 	}
 
 	override fun onDestroyView() {

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

@@ -43,6 +43,7 @@ import org.koitharu.kotatsu.core.util.ext.measureHeight
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.setNavigationBarTransparentCompat
+import org.koitharu.kotatsu.core.util.ext.setNavigationIconSafe
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ActivityDetailsBinding
 import org.koitharu.kotatsu.details.service.MangaPrefetchService
@@ -211,7 +212,7 @@ class DetailsActivity :
 		}
 		if (isExpanded) {
 			toolbar.addMenuProvider(chaptersMenuProvider)
-			toolbar.setNavigationIcon(materialR.drawable.abc_ic_clear_material)
+			toolbar.setNavigationIconSafe(materialR.drawable.abc_ic_clear_material)
 		} else {
 			toolbar.removeMenuProvider(chaptersMenuProvider)
 			toolbar.navigationIcon = null

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

@@ -15,6 +15,7 @@ import androidx.core.view.updatePadding
 import androidx.fragment.app.activityViewModels
 import coil.ImageLoader
 import coil.request.ImageRequest
+import coil.request.SuccessResult
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import dagger.hilt.android.AndroidEntryPoint
@@ -296,7 +297,7 @@ class DetailsFragment :
 	private fun loadCover(manga: Manga) {
 		val imageUrl = manga.largeCoverUrl.ifNullOrEmpty { manga.coverUrl }
 		val lastResult = CoilUtils.result(requireViewBinding().imageViewCover)
-		if (lastResult?.request?.data == imageUrl) {
+		if (lastResult is SuccessResult && lastResult.request.data == imageUrl) {
 			return
 		}
 		val request = ImageRequest.Builder(context ?: return)

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

@@ -16,12 +16,11 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.BrowserActivity
 import org.koitharu.kotatsu.core.os.AppShortcutManager
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ShareHelper
-import org.koitharu.kotatsu.details.ui.model.MangaBranch
+import org.koitharu.kotatsu.download.ui.dialog.DownloadOption
 import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesSheet
-import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.scrobbling.common.ui.selector.ScrobblingSelectorSheet
 import org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity
 
@@ -30,7 +29,7 @@ class DetailsMenuProvider(
 	private val viewModel: DetailsViewModel,
 	private val snackbarHost: View,
 	private val appShortcutManager: AppShortcutManager,
-) : MenuProvider {
+) : MenuProvider, OnListItemClickListener<DownloadOption> {
 
 	override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
 		menuInflater.inflate(R.menu.opt_details, menu)
@@ -44,7 +43,7 @@ class DetailsMenuProvider(
 		menu.findItem(R.id.action_shortcut).isVisible = ShortcutManagerCompat.isRequestPinShortcutSupported(activity)
 		menu.findItem(R.id.action_scrobbling).isVisible = viewModel.isScrobblingAvailable
 		menu.findItem(R.id.action_favourite).setIcon(
-			if (viewModel.favouriteCategories.value == true) R.drawable.ic_heart else R.drawable.ic_heart_outline,
+			if (viewModel.favouriteCategories.value) R.drawable.ic_heart else R.drawable.ic_heart_outline,
 		)
 	}
 
@@ -80,15 +79,7 @@ class DetailsMenuProvider(
 			}
 
 			R.id.action_save -> {
-				viewModel.manga.value?.let {
-					val chaptersCount = it.chapters?.size ?: 0
-					val branches = viewModel.branches.value.orEmpty()
-					if (chaptersCount > 5 || branches.size > 1) {
-						showSaveConfirmation(it, chaptersCount, branches)
-					} else {
-						viewModel.download(null)
-					}
-				}
+				DownloadDialogHelper(snackbarHost, viewModel).show(this)
 			}
 
 			R.id.action_browser -> {
@@ -125,35 +116,16 @@ class DetailsMenuProvider(
 		return true
 	}
 
-	private fun showSaveConfirmation(manga: Manga, chaptersCount: Int, branches: List<MangaBranch>) {
-		val dialogBuilder = MaterialAlertDialogBuilder(activity)
-			.setTitle(R.string.save_manga)
-			.setNegativeButton(android.R.string.cancel, null)
-		if (branches.size > 1) {
-			val items = Array(branches.size) { i -> branches[i].name.orEmpty() }
-			val currentBranch = branches.indexOfFirst { it.isSelected }
-			val checkedIndices = BooleanArray(branches.size) { i -> i == currentBranch }
-			dialogBuilder.setMultiChoiceItems(items, checkedIndices) { _, i, checked ->
-				checkedIndices[i] = checked
-			}.setPositiveButton(R.string.save) { _, _ ->
-				val selectedBranches = branches.mapIndexedNotNullTo(HashSet()) { i, b ->
-					if (checkedIndices[i]) b.name else null
-				}
-				val chaptersIds = manga.chapters?.mapNotNullToSet { c ->
-					if (c.branch in selectedBranches) c.id else null
-				}
-				viewModel.download(chaptersIds)
-			}
-		} else {
-			dialogBuilder.setMessage(
-				activity.getString(
-					R.string.large_manga_save_confirm,
-					activity.resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount),
-				),
-			).setPositiveButton(R.string.save) { _, _ ->
-				viewModel.download(null)
+	override fun onItemClick(item: DownloadOption, view: View) {
+		val chaptersIds: Set<Long>? = when (item) {
+			is DownloadOption.WholeManga -> null
+			is DownloadOption.SelectionHint -> {
+				viewModel.startChaptersSelection()
+				return
 			}
+
+			else -> item.chaptersIds
 		}
-		dialogBuilder.show()
+		viewModel.download(chaptersIds)
 	}
 }

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

@@ -31,12 +31,14 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.model.getPreferredBranch
+import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.core.util.ext.combine
 import org.koitharu.kotatsu.core.util.ext.computeSize
 import org.koitharu.kotatsu.core.util.ext.requireValue
 import org.koitharu.kotatsu.core.util.ext.sanitize
@@ -72,6 +74,7 @@ class DetailsViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
 	private val doubleMangaLoadUseCase: DoubleMangaLoadUseCase,
+	networkState: NetworkState,
 ) : BaseViewModel() {
 
 	private val intent = MangaIntent(savedStateHandle)
@@ -81,6 +84,7 @@ class DetailsViewModel @Inject constructor(
 
 	val onShowToast = MutableEventFlow<Int>()
 	val onShowTip = MutableEventFlow<Unit>()
+	val onSelectChapter = MutableEventFlow<Long>()
 	val onDownloadStarted = MutableEventFlow<Unit>()
 
 	val manga = doubleManga.map { it?.any }
@@ -176,8 +180,9 @@ class DetailsViewModel @Inject constructor(
 			selectedBranch,
 			newChaptersCount,
 			bookmarks,
-		) { manga, history, branch, news, bookmarks ->
-			mapChapters(manga?.remote, manga?.local, history, news, branch, bookmarks)
+			networkState,
+		) { manga, history, branch, news, bookmarks, isOnline ->
+			mapChapters(manga?.remote?.takeIf { isOnline }, manga?.local, history, news, branch, bookmarks)
 		},
 		isChaptersReversed,
 		chaptersQuery,
@@ -286,6 +291,14 @@ class DetailsViewModel @Inject constructor(
 		}
 	}
 
+	fun startChaptersSelection() {
+		val chapters = chapters.value
+		val chapter = chapters.find {
+			it.isUnread && !it.isDownloaded
+		} ?: chapters.firstOrNull() ?: return
+		onSelectChapter.call(chapter.chapter.id)
+	}
+
 	fun onButtonTipClosed() {
 		settings.closeTip(DetailsActivity.TIP_BUTTON)
 	}

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

@@ -0,0 +1,64 @@
+package org.koitharu.kotatsu.details.ui
+
+import android.content.DialogInterface
+import android.view.View
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.ids
+import org.koitharu.kotatsu.core.ui.dialog.RecyclerViewAlertDialog
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.download.ui.dialog.DownloadOption
+import org.koitharu.kotatsu.download.ui.dialog.downloadOptionAD
+
+class DownloadDialogHelper(
+	private val host: View,
+	private val viewModel: DetailsViewModel,
+) {
+
+	fun show(callback: OnListItemClickListener<DownloadOption>) {
+		val branch = viewModel.selectedBranchValue
+		val allChapters = viewModel.manga.value?.chapters ?: return
+		val branchChapters = viewModel.manga.value?.getChapters(branch).orEmpty()
+		val history = viewModel.history.value
+
+		val options = buildList {
+			add(DownloadOption.WholeManga(allChapters.ids()))
+			if (branch != null && branchChapters.isNotEmpty()) {
+				add(DownloadOption.AllChapters(branch, branchChapters.ids()))
+			}
+
+			if (history != null) {
+				val unreadChapters = branchChapters.takeLastWhile { it.id != history.chapterId }
+				if (unreadChapters.isNotEmpty() && unreadChapters.size < branchChapters.size) {
+					add(DownloadOption.AllUnreadChapters(unreadChapters.ids(), branch))
+					if (unreadChapters.size > 5) {
+						add(DownloadOption.NextUnreadChapters(unreadChapters.take(5).ids()))
+						if (unreadChapters.size > 10) {
+							add(DownloadOption.NextUnreadChapters(unreadChapters.take(10).ids()))
+						}
+					}
+				}
+			} else {
+				if (branchChapters.size > 5) {
+					add(DownloadOption.FirstChapters(branchChapters.take(5).ids()))
+					if (branchChapters.size > 10) {
+						add(DownloadOption.FirstChapters(branchChapters.take(10).ids()))
+					}
+				}
+			}
+			add(DownloadOption.SelectionHint())
+		}
+		var dialog: DialogInterface? = null
+		val listener = OnListItemClickListener<DownloadOption> { item, _ ->
+			callback.onItemClick(item, host)
+			dialog?.dismiss()
+		}
+		dialog = RecyclerViewAlertDialog.Builder<DownloadOption>(host.context)
+			.addAdapterDelegate(downloadOptionAD(listener))
+			.setCancelable(true)
+			.setTitle(R.string.download)
+			.setNegativeButton(android.R.string.cancel)
+			.setItems(options)
+			.create()
+			.also { it.show() }
+	}
+}

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

@@ -1,16 +0,0 @@
-package org.koitharu.kotatsu.details.ui
-
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentActivity
-import androidx.viewpager2.adapter.FragmentStateAdapter
-
-class MangaDetailsAdapter(activity: FragmentActivity) : FragmentStateAdapter(activity) {
-
-	override fun getItemCount() = 2
-
-	override fun createFragment(position: Int): Fragment = when (position) {
-		0 -> DetailsFragment()
-		1 -> ChaptersFragment()
-		else -> throw IndexOutOfBoundsException("No fragment for position $position")
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/dialog/DownloadOption.kt

@@ -0,0 +1,99 @@
+package org.koitharu.kotatsu.download.ui.dialog
+
+import android.content.res.Resources
+import androidx.annotation.DrawableRes
+import org.koitharu.kotatsu.R
+import java.util.Locale
+import com.google.android.material.R as materialR
+
+sealed interface DownloadOption {
+
+	val chaptersIds: Set<Long>
+
+	@get:DrawableRes
+	val iconResId: Int
+
+	val chaptersCount: Int
+		get() = chaptersIds.size
+
+	fun getLabel(resources: Resources): CharSequence
+
+	class AllChapters(
+		val branch: String,
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_select_group
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(R.string.download_option_all_chapters, branch)
+		}
+	}
+
+	class WholeManga(
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = materialR.drawable.abc_ic_menu_selectall_mtrl_alpha
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(R.string.download_option_whole_manga)
+		}
+	}
+
+	class FirstChapters(
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_list_start
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(
+				R.string.download_option_first_n_chapters,
+				resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount)
+					.lowercase(Locale.getDefault()),
+			)
+		}
+	}
+
+	class AllUnreadChapters(
+		override val chaptersIds: Set<Long>,
+		val branch: String?,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_list_end
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return if (branch == null) {
+				resources.getString(R.string.download_option_all_unread)
+			} else {
+				resources.getString(R.string.download_option_all_unread_b, branch)
+			}
+		}
+	}
+
+	class NextUnreadChapters(
+		override val chaptersIds: Set<Long>,
+	) : DownloadOption {
+
+		override val iconResId = R.drawable.ic_list_next
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(
+				R.string.download_option_next_unread_n_chapters,
+				resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount)
+					.lowercase(Locale.getDefault()),
+			)
+		}
+	}
+
+	class SelectionHint : DownloadOption {
+
+		override val chaptersIds: Set<Long> = emptySet()
+		override val iconResId = R.drawable.ic_tap
+
+		override fun getLabel(resources: Resources): CharSequence {
+			return resources.getString(R.string.download_option_manual_selection)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/dialog/DownloadOptionAD.kt

@@ -0,0 +1,27 @@
+package org.koitharu.kotatsu.download.ui.dialog
+
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.databinding.ItemDownloadOptionBinding
+
+fun downloadOptionAD(
+	onClickListener: OnListItemClickListener<DownloadOption>,
+) = adapterDelegateViewBinding<DownloadOption, DownloadOption, ItemDownloadOptionBinding>(
+	{ layoutInflater, parent -> ItemDownloadOptionBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	binding.root.setOnClickListener { v -> onClickListener.onItemClick(item, v) }
+
+	bind {
+		with(binding.root) {
+			title = item.getLabel(resources)
+			subtitle = if (item.chaptersCount == 0) null else resources.getQuantityString(
+				R.plurals.chapters,
+				item.chaptersCount,
+				item.chaptersCount,
+			)
+			setIconResource(item.iconResId)
+		}
+	}
+}

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

@@ -141,11 +141,13 @@ class DownloadsViewModel @Inject constructor(
 	fun remove(ids: Set<Long>) {
 		launchJob(Dispatchers.Default) {
 			val snapshot = works.value ?: return@launchJob
+			val uuids = HashSet<UUID>(ids.size)
 			for (work in snapshot) {
 				if (work.id.mostSignificantBits in ids) {
-					workScheduler.delete(work.id)
+					uuids.add(work.id)
 				}
 			}
+			workScheduler.delete(uuids)
 			onActionDone.call(ReversibleAction(R.string.downloads_removed, null))
 		}
 	}

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

@@ -45,6 +45,7 @@ import org.koitharu.kotatsu.core.util.WorkManagerHelper
 import org.koitharu.kotatsu.core.util.ext.deleteAwait
 import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
 import org.koitharu.kotatsu.core.util.progress.TimeLeftEstimator
 import org.koitharu.kotatsu.download.domain.DownloadState
@@ -60,7 +61,6 @@ import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.await
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.io.File
 import java.util.UUID
 import java.util.concurrent.TimeUnit
@@ -322,9 +322,9 @@ class DownloadWorker @AssistedInject constructor(
 		manga: Manga,
 		includedIds: LongArray?,
 	): List<MangaChapter> {
-		val chapters = checkNotNull(manga.chapters?.toMutableList()) {
+		val chapters = checkNotNull(manga.chapters) {
 			"Chapters list must not be null"
-		}
+		}.toMutableList()
 		if (includedIds != null) {
 			val chaptersIdsSet = includedIds.toMutableSet()
 			chapters.retainAll { x -> chaptersIdsSet.remove(x.id) }
@@ -399,6 +399,13 @@ class DownloadWorker @AssistedInject constructor(
 			WorkManagerHelper(workManager).deleteWork(id)
 		}
 
+		suspend fun delete(ids: Collection<UUID>) {
+			val wm = workManager
+			val helper = WorkManagerHelper(wm)
+			ids.forEach { id -> wm.cancelWorkById(id).await() }
+			helper.deleteWorks(ids)
+		}
+
 		suspend fun removeCompleted() {
 			val helper = WorkManagerHelper(workManager)
 			val finishedWorks = helper.getFinishedWorkInfosByTag(TAG)
@@ -406,10 +413,7 @@ class DownloadWorker @AssistedInject constructor(
 		}
 
 		suspend fun updateConstraints() {
-			val constraints = Constraints.Builder()
-				.setRequiresStorageNotLow(true)
-				.setRequiredNetworkType(if (settings.isDownloadsWiFiOnly) NetworkType.UNMETERED else NetworkType.CONNECTED)
-				.build()
+			val constraints = createConstraints()
 			val helper = WorkManagerHelper(workManager)
 			val works = helper.getWorkInfosByTag(TAG)
 			for (work in works) {
@@ -418,6 +422,7 @@ class DownloadWorker @AssistedInject constructor(
 				}
 				val request = OneTimeWorkRequestBuilder<DownloadWorker>()
 					.setConstraints(constraints)
+					.addTag(TAG)
 					.setId(work.id)
 					.build()
 				helper.updateWork(request)
@@ -425,15 +430,15 @@ class DownloadWorker @AssistedInject constructor(
 		}
 
 		private suspend fun scheduleImpl(data: Collection<Data>) {
-			val constraints = Constraints.Builder()
-				.setRequiresStorageNotLow(true)
-				.setRequiredNetworkType(if (settings.isDownloadsWiFiOnly) NetworkType.UNMETERED else NetworkType.CONNECTED)
-				.build()
+			if (data.isEmpty()) {
+				return
+			}
+			val constraints = createConstraints()
 			val requests = data.map { inputData ->
 				OneTimeWorkRequestBuilder<DownloadWorker>()
 					.setConstraints(constraints)
 					.addTag(TAG)
-					.keepResultsForAtLeast(7, TimeUnit.DAYS)
+					.keepResultsForAtLeast(30, TimeUnit.DAYS)
 					.setBackoffCriteria(BackoffPolicy.LINEAR, 10, TimeUnit.SECONDS)
 					.setInputData(inputData)
 					.setExpedited(OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST)
@@ -441,6 +446,10 @@ class DownloadWorker @AssistedInject constructor(
 			}
 			workManager.enqueue(requests).await()
 		}
+
+		private fun createConstraints() = Constraints.Builder()
+			.setRequiredNetworkType(if (settings.isDownloadsWiFiOnly) NetworkType.UNMETERED else NetworkType.CONNECTED)
+			.build()
 	}
 
 	private companion object {

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterCoordinator.kt

@@ -22,6 +22,7 @@ import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.ui.widgets.ChipsView
 import org.koitharu.kotatsu.core.util.ext.lifecycleScope
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.require
 import org.koitharu.kotatsu.filter.ui.model.FilterHeaderModel
 import org.koitharu.kotatsu.filter.ui.model.FilterItem
@@ -35,7 +36,6 @@ import org.koitharu.kotatsu.parsers.util.SuspendLazy
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.remotelist.ui.RemoteListFragment
 import org.koitharu.kotatsu.search.domain.MangaSearchRepository
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.text.Collator
 import java.util.LinkedList
 import java.util.Locale
@@ -49,7 +49,7 @@ class FilterCoordinator @Inject constructor(
 	dataRepository: MangaDataRepository,
 	private val searchRepository: MangaSearchRepository,
 	lifecycle: ViewModelLifecycle,
-) : FilterOwner {
+) : MangaFilter {
 
 	private val coroutineScope = lifecycle.lifecycleScope
 	private val repository = mangaRepositoryFactory.create(savedStateHandle.require(RemoteListFragment.ARG_SOURCE))

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterHeaderFragment.kt

@@ -19,9 +19,8 @@ import com.google.android.material.R as materialR
 
 class FilterHeaderFragment : BaseFragment<FragmentFilterHeaderBinding>(), ChipsView.OnChipClickListener {
 
-	private val owner by lazy(LazyThreadSafetyMode.NONE) {
-		FilterOwner.from(requireActivity())
-	}
+	private val filter: MangaFilter
+		get() = (requireActivity() as FilterOwner).filter
 
 	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentFilterHeaderBinding {
 		return FragmentFilterHeaderBinding.inflate(inflater, container, false)
@@ -30,7 +29,7 @@ class FilterHeaderFragment : BaseFragment<FragmentFilterHeaderBinding>(), ChipsV
 	override fun onViewBindingCreated(binding: FragmentFilterHeaderBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		binding.chipsTags.onChipClickListener = this
-		owner.header.observe(viewLifecycleOwner, ::onDataChanged)
+		filter.header.observe(viewLifecycleOwner, ::onDataChanged)
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) = Unit
@@ -40,7 +39,7 @@ class FilterHeaderFragment : BaseFragment<FragmentFilterHeaderBinding>(), ChipsV
 		if (tag == null) {
 			FilterSheetFragment.show(parentFragmentManager)
 		} else {
-			owner.onTagItemClick(FilterItem.Tag(tag, !chip.isChecked))
+			filter.onTagItemClick(FilterItem.Tag(tag, !chip.isChecked))
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterOwner.kt

@@ -1,32 +1,6 @@
 package org.koitharu.kotatsu.filter.ui
 
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentActivity
-import kotlinx.coroutines.flow.StateFlow
-import org.koitharu.kotatsu.core.util.ext.values
-import org.koitharu.kotatsu.filter.ui.model.FilterHeaderModel
-import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.parsers.model.MangaTag
+interface FilterOwner {
 
-interface FilterOwner : OnFilterChangedListener {
-
-	val filterItems: StateFlow<List<ListModel>>
-
-	val header: StateFlow<FilterHeaderModel>
-
-	fun applyFilter(tags: Set<MangaTag>)
-
-	companion object {
-
-		fun from(activity: FragmentActivity): FilterOwner {
-			for (f in activity.supportFragmentManager.fragments) {
-				return find(f) ?: continue
-			}
-			error("Cannot find FilterOwner")
-		}
-
-		fun find(fragment: Fragment): FilterOwner? {
-			return fragment.viewModelStore.values.firstNotNullOfOrNull { it as? FilterOwner }
-		}
-	}
+	val filter: MangaFilter
 }

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterSheetFragment.kt

@@ -21,20 +21,17 @@ class FilterSheetFragment :
 	AdaptiveSheetCallback,
 	AsyncListDiffer.ListListener<ListModel> {
 
-	private val owner by lazy(LazyThreadSafetyMode.NONE) {
-		FilterOwner.from(requireActivity())
-	}
-
 	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): SheetFilterBinding {
 		return SheetFilterBinding.inflate(inflater, container, false)
 	}
 
 	override fun onViewBindingCreated(binding: SheetFilterBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
+		val filter = (requireActivity() as FilterOwner).filter
 		addSheetCallback(this)
-		val adapter = FilterAdapter(owner, this)
+		val adapter = FilterAdapter(filter, this)
 		binding.recyclerView.adapter = adapter
-		owner.filterItems.observe(viewLifecycleOwner, adapter::setItems)
+		filter.filterItems.observe(viewLifecycleOwner, adapter::setItems)
 
 		if (dialog == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 			binding.recyclerView.scrollIndicators = 0

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/MangaFilter.kt

@@ -0,0 +1,15 @@
+package org.koitharu.kotatsu.filter.ui
+
+import kotlinx.coroutines.flow.StateFlow
+import org.koitharu.kotatsu.filter.ui.model.FilterHeaderModel
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.parsers.model.MangaTag
+
+interface MangaFilter : OnFilterChangedListener {
+
+	val filterItems: StateFlow<List<ListModel>>
+
+	val header: StateFlow<FilterHeaderModel>
+
+	fun applyFilter(tags: Set<MangaTag>)
+}

app/src/main/kotlin/org/koitharu/kotatsu/history/data/HistoryRepository.kt

@@ -45,6 +45,13 @@ class HistoryRepository @Inject constructor(
 		return entity.manga.toManga(entity.tags.toMangaTags())
 	}
 
+	fun observeLast(): Flow<Manga?> {
+		return db.historyDao.observeAll(1).map {
+			val first = it.firstOrNull()
+			first?.manga?.toManga(first.tags.toMangaTags())
+		}
+	}
+
 	fun observeAll(): Flow<List<Manga>> {
 		return db.historyDao.observeAll().mapItems {
 			it.manga.toManga(it.tags.toMangaTags())

app/src/main/kotlin/org/koitharu/kotatsu/history/domain/HistoryUpdateUseCase.kt

@@ -1,13 +1,16 @@
 package org.koitharu.kotatsu.history.domain
 
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.reader.ui.ReaderState
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import javax.inject.Inject
 
 class HistoryUpdateUseCase @Inject constructor(
@@ -28,9 +31,11 @@ class HistoryUpdateUseCase @Inject constructor(
 		manga: Manga,
 		readerState: ReaderState,
 		percent: Float
-	) = processLifecycleScope.launch(Dispatchers.Default) {
+	) = processLifecycleScope.launch(Dispatchers.Default, CoroutineStart.ATOMIC) {
 		runCatchingCancellable {
-			invoke(manga, readerState, percent)
+			withContext(NonCancellable) {
+				invoke(manga, readerState, percent)
+			}
 		}.onFailure {
 			it.printStackTraceDebug()
 		}

app/src/main/kotlin/org/koitharu/kotatsu/local/data/LocalMangaRepository.kt

@@ -29,6 +29,7 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.io.File
+import java.io.FilenameFilter
 import java.util.EnumSet
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -192,7 +193,7 @@ class LocalMangaRepository @Inject constructor(
 			val dispatcher = Dispatchers.IO.limitedParallelism(MAX_PARALLELISM)
 			files.map { file ->
 				async(dispatcher) {
-					runCatchingCancellable { LocalMangaInput.of(file).getManga() }.getOrNull()
+					runCatchingCancellable { LocalMangaInput.ofOrNull(file)?.getManga() }.getOrNull()
 				}
 			}.awaitAll()
 		}.filterNotNullTo(ArrayList(files.size))

app/src/main/kotlin/org/koitharu/kotatsu/local/data/LocalStorageManager.kt

@@ -2,8 +2,11 @@ package org.koitharu.kotatsu.local.data
 
 import android.content.ContentResolver
 import android.content.Context
+import android.content.Intent
+import android.net.Uri
 import android.os.StatFs
 import androidx.annotation.WorkerThread
+import androidx.core.net.toFile
 import dagger.Reusable
 import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.Dispatchers
@@ -13,11 +16,14 @@ import okhttp3.Cache
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.computeSize
 import org.koitharu.kotatsu.core.util.ext.getStorageName
+import org.koitharu.kotatsu.core.util.ext.resolveFile
+import org.koitharu.kotatsu.core.util.ext.toFileOrNull
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import java.io.File
 import javax.inject.Inject
 
 private const val DIR_NAME = "manga"
+private const val NOMEDIA = ".nomedia"
 private const val CACHE_DISK_PERCENTAGE = 0.02
 private const val CACHE_SIZE_MIN: Long = 10 * 1024 * 1024 // 10MB
 private const val CACHE_SIZE_MAX: Long = 250 * 1024 * 1024 // 250MB
@@ -74,14 +80,42 @@ class LocalStorageManager @Inject constructor(
 		preferredDir ?: getFallbackStorageDir()?.takeIf { it.isWriteable() }
 	}
 
-	fun getStorageDisplayName(file: File) = file.getStorageName(context)
+	suspend fun getApplicationStorageDirs(): Set<File> = runInterruptible(Dispatchers.IO) {
+		getAvailableStorageDirs()
+	}
+
+	suspend fun resolveUri(uri: Uri): File? = runInterruptible(Dispatchers.IO) {
+		if (uri.scheme == "file") {
+			uri.toFile()
+		} else {
+			uri.resolveFile(context)
+		}
+	}
+
+	suspend fun setDirIsNoMedia(dir: File) = runInterruptible(Dispatchers.IO) {
+		File(dir, NOMEDIA).createNewFile()
+	}
+
+	fun takePermissions(uri: Uri) {
+		val flags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+		contentResolver.takePersistableUriPermission(uri, flags)
+	}
+
+	suspend fun getDirectoryDisplayName(dir: File, isFullPath: Boolean): String = runInterruptible(Dispatchers.IO) {
+		val packageName = context.packageName
+		if (dir.absolutePath.contains(packageName)) {
+			dir.getStorageName(context)
+		} else if (isFullPath) {
+			dir.path
+		} else {
+			dir.name
+		}
+	}
 
 	@WorkerThread
 	private fun getConfiguredStorageDirs(): MutableSet<File> {
 		val set = getAvailableStorageDirs()
-		settings.mangaStorageDir?.let {
-			set.add(it)
-		}
+		set.addAll(settings.userSpecifiedMangaDirectories)
 		return set
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/local/data/input/LocalMangaInput.kt

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.local.data.input
 
 import android.net.Uri
 import androidx.core.net.toFile
+import org.koitharu.kotatsu.local.data.CbzFilter
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
@@ -30,6 +31,12 @@ sealed class LocalMangaInput(
 			else -> LocalMangaZipInput(file)
 		}
 
+		fun ofOrNull(file: File): LocalMangaInput? = when {
+			file.isDirectory -> LocalMangaDirInput(file)
+			CbzFilter.isFileSupported(file.name) -> LocalMangaZipInput(file)
+			else -> null
+		}
+
 		@JvmStatic
 		protected fun zipUri(file: File, entryName: String): String =
 			Uri.fromParts("cbz", file.path, entryName).toString()

app/src/main/kotlin/org/koitharu/kotatsu/local/data/output/LocalMangaUtil.kt

@@ -35,18 +35,6 @@ class LocalMangaUtil(
 		}
 	}
 
-	suspend fun writeIndex(index: MangaIndex) {
-		newOutput().use { output ->
-			when (output) {
-				is LocalMangaDirOutput -> {
-					TODO()
-				}
-
-				is LocalMangaZipOutput -> TODO()
-			}
-		}
-	}
-
 	private suspend fun newOutput(): LocalMangaOutput = runInterruptible(Dispatchers.IO) {
 		val file = manga.url.toUri().toFile()
 		if (file.isDirectory) {

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalChaptersRemoveService.kt

@@ -85,7 +85,7 @@ class LocalChaptersRemoveService : CoroutineIntentService() {
 			.setProgress(0, 0, true)
 			.setSmallIcon(android.R.drawable.stat_notify_sync)
 			.setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_DEFERRED)
-			.setOngoing(true)
+			.setOngoing(false)
 			.build()
 		startForeground(NOTIFICATION_ID, notification)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListFragment.kt

@@ -17,18 +17,23 @@ import org.koitharu.kotatsu.core.util.ext.addMenuProvider
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.withArgs
 import org.koitharu.kotatsu.databinding.FragmentListBinding
+import org.koitharu.kotatsu.filter.ui.FilterOwner
 import org.koitharu.kotatsu.filter.ui.FilterSheetFragment
+import org.koitharu.kotatsu.filter.ui.MangaFilter
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.remotelist.ui.RemoteListFragment
 
-class LocalListFragment : MangaListFragment() {
+class LocalListFragment : MangaListFragment(), FilterOwner {
 
 	override val viewModel by viewModels<LocalListViewModel>()
 
+	override val filter: MangaFilter
+		get() = viewModel
+
 	override fun onViewBindingCreated(binding: FragmentListBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
-		addMenuProvider(LocalListMenuProvider(this::onEmptyActionClick))
+		addMenuProvider(LocalListMenuProvider(binding.root.context, this::onEmptyActionClick))
 		viewModel.onMangaRemoved.observeEvent(viewLifecycleOwner) { onItemRemoved() }
 	}
 
@@ -40,7 +45,7 @@ class LocalListFragment : MangaListFragment() {
 		FilterSheetFragment.show(childFragmentManager)
 	}
 
-	override fun onScrolledToEnd() = Unit
+	override fun onScrolledToEnd() = viewModel.loadNextPage()
 
 	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
 		mode.menuInflater.inflate(R.menu.mode_local, menu)

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListMenuProvider.kt

@@ -1,12 +1,15 @@
 package org.koitharu.kotatsu.local.ui
 
+import android.content.Context
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import androidx.core.view.MenuProvider
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity
 
 class LocalListMenuProvider(
+	private val context: Context,
 	private val onImportClick: Function0<Unit>,
 ) : MenuProvider {
 
@@ -20,6 +23,12 @@ class LocalListMenuProvider(
 				onImportClick()
 				true
 			}
+
+			R.id.action_settings -> {
+				context.startActivity(MangaDirectoriesActivity.newIntent(context))
+				true
+			}
+
 			else -> false
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListViewModel.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.local.ui
 
+import android.content.SharedPreferences
 import androidx.lifecycle.SavedStateHandle
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
@@ -24,7 +25,7 @@ class LocalListViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	mangaRepositoryFactory: MangaRepository.Factory,
 	filter: FilterCoordinator,
-	settings: AppSettings,
+	private val settings: AppSettings,
 	downloadScheduler: DownloadWorker.Scheduler,
 	listExtraProvider: ListExtraProvider,
 	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
@@ -36,7 +37,7 @@ class LocalListViewModel @Inject constructor(
 	settings,
 	listExtraProvider,
 	downloadScheduler,
-) {
+), SharedPreferences.OnSharedPreferenceChangeListener {
 
 	val onMangaRemoved = MutableEventFlow<Unit>()
 
@@ -47,6 +48,18 @@ class LocalListViewModel @Inject constructor(
 					loadList(filter.snapshot(), append = false).join()
 				}
 		}
+		settings.subscribe(this)
+	}
+
+	override fun onCleared() {
+		settings.unsubscribe(this)
+		super.onCleared()
+	}
+
+	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+		if (key == AppSettings.KEY_LOCAL_MANGA_DIRS) {
+			onRefresh()
+		}
 	}
 
 	fun delete(ids: Set<Long>) {

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalStorageCleanupWorker.kt

@@ -9,6 +9,7 @@ import androidx.work.ExistingWorkPolicy
 import androidx.work.OneTimeWorkRequestBuilder
 import androidx.work.WorkManager
 import androidx.work.WorkerParameters
+import androidx.work.await
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
@@ -33,7 +34,7 @@ class LocalStorageCleanupWorker @AssistedInject constructor(
 
 		private const val TAG = "cleanup"
 
-		fun enqueue(context: Context) {
+		suspend fun enqueue(context: Context) {
 			val constraints = Constraints.Builder()
 				.setRequiresBatteryNotLow(true)
 				.build()
@@ -42,7 +43,7 @@ class LocalStorageCleanupWorker @AssistedInject constructor(
 				.addTag(TAG)
 				.setBackoffCriteria(BackoffPolicy.LINEAR, 1, TimeUnit.MINUTES)
 				.build()
-			WorkManager.getInstance(context).enqueueUniqueWork(TAG, ExistingWorkPolicy.KEEP, request)
+			WorkManager.getInstance(context).enqueueUniqueWork(TAG, ExistingWorkPolicy.KEEP, request).await()
 		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/main/domain/ReadingResumeEnabledUseCase.kt

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.main.domain
+
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import org.koitharu.kotatsu.core.os.NetworkState
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
+import org.koitharu.kotatsu.history.data.HistoryRepository
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import javax.inject.Inject
+
+class ReadingResumeEnabledUseCase @Inject constructor(
+	private val networkState: NetworkState,
+	private val historyRepository: HistoryRepository,
+	private val settings: AppSettings,
+) {
+
+	operator fun invoke(): Flow<Boolean> = settings.observeAsFlow(AppSettings.KEY_INCOGNITO_MODE) {
+		isIncognitoModeEnabled
+	}.flatMapLatest { incognito ->
+		if (incognito) {
+			flowOf(false)
+		} else {
+			combine(networkState, historyRepository.observeLast()) { isOnline, last ->
+				last != null && (isOnline || last.source == MangaSource.LOCAL)
+			}
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/main/ui/MainActivity.kt

@@ -69,8 +69,6 @@ import org.koitharu.kotatsu.search.ui.suggestion.SearchSuggestionViewModel
 import org.koitharu.kotatsu.settings.newsources.NewSourcesDialogFragment
 import org.koitharu.kotatsu.settings.onboard.OnboardDialogFragment
 import org.koitharu.kotatsu.shelf.ui.ShelfFragment
-import org.koitharu.kotatsu.suggestions.ui.SuggestionsWorker
-import org.koitharu.kotatsu.tracker.work.TrackWorker
 import javax.inject.Inject
 import com.google.android.material.R as materialR
 
@@ -321,8 +319,6 @@ class MainActivity :
 				}
 			}
 			withContext(Dispatchers.Default) {
-				TrackWorker.setup(applicationContext)
-				SuggestionsWorker.setup(applicationContext)
 				LocalStorageCleanupWorker.enqueue(applicationContext)
 			}
 			withResumed {

app/src/main/kotlin/org/koitharu/kotatsu/main/ui/MainNavigationDelegate.kt

@@ -97,7 +97,7 @@ class MainNavigationDelegate(
 	}
 
 	private fun onNavigationItemSelected(@IdRes itemId: Int): Boolean {
-		setPrimaryFragment(
+		return setPrimaryFragment(
 			when (itemId) {
 				R.id.nav_shelf -> ShelfFragment.newInstance()
 				R.id.nav_explore -> ExploreFragment.newInstance()
@@ -106,7 +106,6 @@ class MainNavigationDelegate(
 				else -> return false
 			},
 		)
-		return true
 	}
 
 	private fun getItemId(fragment: Fragment) = when (fragment) {
@@ -117,13 +116,17 @@ class MainNavigationDelegate(
 		else -> 0
 	}
 
-	private fun setPrimaryFragment(fragment: Fragment) {
+	private fun setPrimaryFragment(fragment: Fragment): Boolean {
+		if (fragmentManager.isStateSaved) {
+			return false
+		}
 		fragmentManager.beginTransaction()
 			.setReorderingAllowed(true)
 			.replace(R.id.container, fragment, TAG_PRIMARY)
 			.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE)
 			.commit()
 		onFragmentChanged(fragment, fromUser = true)
+		return true
 	}
 
 	private fun onFragmentChanged(fragment: Fragment, fromUser: Boolean) {

app/src/main/kotlin/org/koitharu/kotatsu/main/ui/MainViewModel.kt

@@ -13,12 +13,12 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.EmptyHistoryException
 import org.koitharu.kotatsu.core.github.AppUpdateRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.history.data.HistoryRepository
+import org.koitharu.kotatsu.main.domain.ReadingResumeEnabledUseCase
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import javax.inject.Inject
@@ -29,16 +29,12 @@ class MainViewModel @Inject constructor(
 	private val appUpdateRepository: AppUpdateRepository,
 	trackingRepository: TrackingRepository,
 	settings: AppSettings,
+	readingResumeEnabledUseCase: ReadingResumeEnabledUseCase,
 ) : BaseViewModel() {
 
 	val onOpenReader = MutableEventFlow<Manga>()
 
-	val isResumeEnabled = combine(
-		historyRepository.observeHasItems(),
-		settings.observeAsFlow(AppSettings.KEY_INCOGNITO_MODE) { isIncognitoModeEnabled },
-	) { hasItems, incognito ->
-		hasItems && !incognito
-	}.stateIn(
+	val isResumeEnabled = readingResumeEnabledUseCase().stateIn(
 		scope = viewModelScope + Dispatchers.Default,
 		started = SharingStarted.WhileSubscribed(5000),
 		initialValue = false,

app/src/main/kotlin/org/koitharu/kotatsu/reader/domain/PageLoader.kt

@@ -34,6 +34,8 @@ import org.koitharu.kotatsu.core.util.FileSize
 import org.koitharu.kotatsu.core.util.RetainedLifecycleCoroutineScope
 import org.koitharu.kotatsu.core.util.ext.ensureSuccess
 import org.koitharu.kotatsu.core.util.ext.isNotEmpty
+import org.koitharu.kotatsu.core.util.ext.isPowerSaveMode
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.ramAvailable
 import org.koitharu.kotatsu.core.util.ext.withProgress
 import org.koitharu.kotatsu.core.util.progress.ProgressDeferred
@@ -42,7 +44,6 @@ import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import java.io.File
 import java.util.LinkedList
 import java.util.concurrent.atomic.AtomicInteger
@@ -83,7 +84,10 @@ class PageLoader @Inject constructor(
 	}
 
 	fun isPrefetchApplicable(): Boolean {
-		return repository is RemoteMangaRepository && settings.isPagesPreloadEnabled && !isLowRam()
+		return repository is RemoteMangaRepository
+			&& settings.isPagesPreloadEnabled
+			&& !context.isPowerSaveMode()
+			&& !isLowRam()
 	}
 
 	@AnyThread

app/src/main/kotlin/org/koitharu/kotatsu/remotelist/ui/RemoteListFragment.kt

@@ -15,7 +15,9 @@ import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.util.ext.addMenuProvider
 import org.koitharu.kotatsu.core.util.ext.withArgs
 import org.koitharu.kotatsu.databinding.FragmentListBinding
+import org.koitharu.kotatsu.filter.ui.FilterOwner
 import org.koitharu.kotatsu.filter.ui.FilterSheetFragment
+import org.koitharu.kotatsu.filter.ui.MangaFilter
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -23,10 +25,13 @@ import org.koitharu.kotatsu.search.ui.SearchActivity
 import org.koitharu.kotatsu.settings.SettingsActivity
 
 @AndroidEntryPoint
-class RemoteListFragment : MangaListFragment() {
+class RemoteListFragment : MangaListFragment(), FilterOwner {
 
 	override val viewModel by viewModels<RemoteListViewModel>()
 
+	override val filter: MangaFilter
+		get() = viewModel
+
 	override fun onViewBindingCreated(binding: FragmentListBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		addMenuProvider(RemoteListMenuProvider())

app/src/main/kotlin/org/koitharu/kotatsu/remotelist/ui/RemoteListViewModel.kt

@@ -20,10 +20,11 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.require
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.filter.ui.FilterCoordinator
-import org.koitharu.kotatsu.filter.ui.FilterOwner
+import org.koitharu.kotatsu.filter.ui.MangaFilter
 import org.koitharu.kotatsu.filter.ui.model.FilterState
 import org.koitharu.kotatsu.list.domain.ListExtraProvider
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
@@ -36,7 +37,6 @@ import org.koitharu.kotatsu.list.ui.model.toUi
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.MangaTag
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import javax.inject.Inject
 
 private const val FILTER_MIN_INTERVAL = 250L
@@ -49,7 +49,7 @@ open class RemoteListViewModel @Inject constructor(
 	settings: AppSettings,
 	listExtraProvider: ListExtraProvider,
 	downloadScheduler: DownloadWorker.Scheduler,
-) : MangaListViewModel(settings, downloadScheduler), FilterOwner by filter {
+) : MangaListViewModel(settings, downloadScheduler), MangaFilter by filter {
 
 	val source = savedStateHandle.require<MangaSource>(RemoteListFragment.ARG_SOURCE)
 	private val repository = mangaRepositoryFactory.create(source)

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/MangaListActivity.kt

@@ -26,7 +26,7 @@ import org.koitharu.kotatsu.databinding.ActivityMangaListBinding
 import org.koitharu.kotatsu.filter.ui.FilterHeaderFragment
 import org.koitharu.kotatsu.filter.ui.FilterOwner
 import org.koitharu.kotatsu.filter.ui.FilterSheetFragment
-import org.koitharu.kotatsu.list.ui.MangaListFragment
+import org.koitharu.kotatsu.filter.ui.MangaFilter
 import org.koitharu.kotatsu.local.ui.LocalListFragment
 import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -36,11 +36,16 @@ import org.koitharu.kotatsu.remotelist.ui.RemoteListFragment
 @AndroidEntryPoint
 class MangaListActivity :
 	BaseActivity<ActivityMangaListBinding>(),
-	AppBarOwner, View.OnClickListener {
+	AppBarOwner, View.OnClickListener, FilterOwner {
 
 	override val appBar: AppBarLayout
 		get() = viewBinding.appbar
 
+	override val filter: MangaFilter
+		get() = checkNotNull(findFilterOwner()) {
+			"Cannot find FilterOwner fragment in ${supportFragmentManager.fragments}"
+		}.filter
+
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		setContentView(ActivityMangaListBinding.inflate(layoutInflater))
@@ -74,7 +79,10 @@ class MangaListActivity :
 
 	private fun initList(source: MangaSource, tags: Set<MangaTag>?) {
 		val fm = supportFragmentManager
-		if (fm.findFragmentById(R.id.container) == null) {
+		val existingFragment = fm.findFragmentById(R.id.container)
+		if (existingFragment is FilterOwner) {
+			initFilter(existingFragment)
+		} else {
 			fm.commit {
 				setReorderingAllowed(true)
 				val fragment = if (source == MangaSource.LOCAL) {
@@ -83,17 +91,15 @@ class MangaListActivity :
 					RemoteListFragment.newInstance(source)
 				}
 				replace(R.id.container, fragment)
-				runOnCommit { initFilter() }
-				if (!tags.isNullOrEmpty() && fragment is RemoteListFragment) {
+				runOnCommit { initFilter(fragment) }
+				if (!tags.isNullOrEmpty()) {
 					runOnCommit(ApplyFilterRunnable(fragment, tags))
 				}
 			}
-		} else {
-			initFilter()
 		}
 	}
 
-	private fun initFilter() {
+	private fun initFilter(filterOwner: FilterOwner) {
 		if (viewBinding.containerFilter != null) {
 			if (supportFragmentManager.findFragmentById(R.id.container_filter) == null) {
 				supportFragmentManager.commit {
@@ -109,14 +115,14 @@ class MangaListActivity :
 				}
 			}
 		}
-		val filterOwner = FilterOwner.from(this)
+		val filter = filterOwner.filter
 		val chipSort = viewBinding.chipSort
 		if (chipSort != null) {
-			filterOwner.header.observe(this) {
+			filter.header.observe(this) {
 				chipSort.setTextAndVisible(it.sortOrder?.titleRes ?: 0)
 			}
 		} else {
-			filterOwner.header.map {
+			filter.header.map {
 				it.textSummary
 			}.flowOn(Dispatchers.Default)
 				.observe(this) {
@@ -125,15 +131,17 @@ class MangaListActivity :
 		}
 	}
 
+	private fun findFilterOwner(): FilterOwner? {
+		return supportFragmentManager.findFragmentById(R.id.container) as? FilterOwner
+	}
+
 	private class ApplyFilterRunnable(
-		private val fragment: MangaListFragment,
+		private val filterOwner: FilterOwner,
 		private val tags: Set<MangaTag>,
 	) : Runnable {
 
 		override fun run() {
-			checkNotNull(FilterOwner.find(fragment)) {
-				"Cannot find FilterOwner"
-			}.applyFilter(tags)
+			filterOwner.filter.applyFilter(tags)
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/settings/DownloadsSettingsFragment.kt

@@ -11,20 +11,18 @@ import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
-import org.koitharu.kotatsu.core.ui.dialog.StorageSelectDialog
-import org.koitharu.kotatsu.core.util.ext.getStorageName
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.local.data.LocalStorageManager
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
-import java.io.File
+import org.koitharu.kotatsu.settings.storage.MangaDirectorySelectDialog
+import org.koitharu.kotatsu.settings.storage.directories.MangaDirectoriesActivity
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class DownloadsSettingsFragment :
 	BasePreferenceFragment(R.string.downloads),
-	SharedPreferences.OnSharedPreferenceChangeListener,
-	StorageSelectDialog.OnStorageSelectListener {
+	SharedPreferences.OnSharedPreferenceChangeListener {
 
 	@Inject
 	lateinit var storageManager: LocalStorageManager
@@ -39,6 +37,7 @@ class DownloadsSettingsFragment :
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		findPreference<Preference>(AppSettings.KEY_LOCAL_STORAGE)?.bindStorageName()
+		findPreference<Preference>(AppSettings.KEY_LOCAL_MANGA_DIRS)?.bindDirectoriesCount()
 		settings.subscribe(this)
 	}
 
@@ -53,6 +52,10 @@ class DownloadsSettingsFragment :
 				findPreference<Preference>(key)?.bindStorageName()
 			}
 
+			AppSettings.KEY_LOCAL_MANGA_DIRS -> {
+				findPreference<Preference>(key)?.bindDirectoriesCount()
+			}
+
 			AppSettings.KEY_DOWNLOADS_WIFI -> {
 				updateDownloadsConstraints()
 			}
@@ -62,12 +65,12 @@ class DownloadsSettingsFragment :
 	override fun onPreferenceTreeClick(preference: Preference): Boolean {
 		return when (preference.key) {
 			AppSettings.KEY_LOCAL_STORAGE -> {
-				val ctx = context ?: return false
-				StorageSelectDialog.Builder(ctx, storageManager, this)
-					.setTitle(preference.title ?: "")
-					.setNegativeButton(android.R.string.cancel)
-					.create()
-					.show()
+				MangaDirectorySelectDialog.show(childFragmentManager)
+				true
+			}
+
+			AppSettings.KEY_LOCAL_MANGA_DIRS -> {
+				startActivity(MangaDirectoriesActivity.newIntent(preference.context))
 				true
 			}
 
@@ -75,14 +78,21 @@ class DownloadsSettingsFragment :
 		}
 	}
 
-	override fun onStorageSelected(file: File) {
-		settings.mangaStorageDir = file
-	}
-
 	private fun Preference.bindStorageName() {
 		viewLifecycleScope.launch {
 			val storage = storageManager.getDefaultWriteableDir()
-			summary = storage?.getStorageName(context) ?: getString(R.string.not_available)
+			summary = if (storage != null) {
+				storageManager.getDirectoryDisplayName(storage, isFullPath = true)
+			} else {
+				getString(R.string.not_available)
+			}
+		}
+	}
+
+	private fun Preference.bindDirectoriesCount() {
+		viewLifecycleScope.launch {
+			val dirs = storageManager.getReadableDirs().size
+			summary = resources.getQuantityString(R.plurals.items, dirs, dirs)
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/SourceSettingsFragment.kt

@@ -4,16 +4,15 @@ import android.os.Bundle
 import android.view.View
 import androidx.fragment.app.viewModels
 import androidx.preference.Preference
-import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
-import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
+import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
-import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
 import org.koitharu.kotatsu.core.util.ext.withArgs
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity
@@ -49,10 +48,18 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 				getString(R.string.logged_in_as, it)
 			}
 		}
-		viewModel.onError.observeEvent(viewLifecycleOwner, ::onError)
+		viewModel.onError.observeEvent(
+			viewLifecycleOwner,
+			SnackbarErrorObserver(
+				listView,
+				this,
+				exceptionResolver,
+			) { viewModel.onResume() },
+		)
 		viewModel.isLoading.observe(viewLifecycleOwner) { isLoading ->
 			findPreference<Preference>(KEY_AUTH)?.isEnabled = !isLoading
 		}
+		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ReversibleActionObserver(listView))
 	}
 
 	override fun onPreferenceTreeClick(preference: Preference): Boolean {
@@ -61,32 +68,15 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 				startActivity(SourceAuthActivity.newIntent(preference.context, viewModel.source))
 				true
 			}
+			AppSettings.KEY_COOKIES_CLEAR -> {
+				viewModel.clearCookies()
+				true
+			}
 
 			else -> super.onPreferenceTreeClick(preference)
 		}
 	}
 
-	private fun onError(error: Throwable) {
-		val snackbar = Snackbar.make(
-			listView ?: return,
-			error.getDisplayMessage(resources),
-			Snackbar.LENGTH_INDEFINITE,
-		)
-		if (ExceptionResolver.canResolve(error)) {
-			snackbar.setAction(ExceptionResolver.getResolveStringId(error)) { resolveError(error) }
-		}
-		snackbar.show()
-	}
-
-	private fun resolveError(error: Throwable) {
-		view ?: return
-		viewLifecycleScope.launch {
-			if (exceptionResolver.resolve(error)) {
-				viewModel.onResume()
-			}
-		}
-	}
-
 	companion object {
 
 		private const val KEY_AUTH = "auth"

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/SourceSettingsViewModel.kt

@@ -5,9 +5,15 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
+import okhttp3.HttpUrl
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.ui.util.ReversibleAction
+import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
+import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.core.util.ext.require
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -17,11 +23,13 @@ import javax.inject.Inject
 class SourceSettingsViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	mangaRepositoryFactory: MangaRepository.Factory,
+	private val cookieJar: MutableCookieJar,
 ) : BaseViewModel() {
 
 	val source = savedStateHandle.require<MangaSource>(SourceSettingsFragment.EXTRA_SOURCE)
 	val repository = mangaRepositoryFactory.create(source) as RemoteMangaRepository
 
+	val onActionDone = MutableEventFlow<ReversibleAction>()
 	val username = MutableStateFlow<String?>(null)
 	private var usernameLoadJob: Job? = null
 
@@ -35,6 +43,18 @@ class SourceSettingsViewModel @Inject constructor(
 		}
 	}
 
+	fun clearCookies() {
+		launchLoadingJob(Dispatchers.Default) {
+			val url = HttpUrl.Builder()
+				.scheme("https")
+				.host(repository.domain)
+				.build()
+			cookieJar.removeCookies(url)
+			onActionDone.call(ReversibleAction(R.string.cookies_cleared, null))
+			loadUsername()
+		}
+	}
+
 	private fun loadUsername() {
 		launchLoadingJob(Dispatchers.Default) {
 			try {

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/auth/SourceAuthActivity.kt

@@ -6,6 +6,7 @@ import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.view.MenuItem
+import android.webkit.CookieManager
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContract
 import androidx.core.graphics.Insets
@@ -27,6 +28,7 @@ import org.koitharu.kotatsu.core.util.ext.getSerializableExtraCompat
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.network.UserAgents
 import javax.inject.Inject
 import com.google.android.material.R as materialR
 
@@ -66,8 +68,11 @@ class SourceAuthActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallba
 		}
 		with(viewBinding.webView.settings) {
 			javaScriptEnabled = true
-			userAgentString = CommonHeadersInterceptor.userAgentChrome
+			domStorageEnabled = true
+			databaseEnabled = true
+			userAgentString = UserAgents.CHROME_MOBILE
 		}
+		CookieManager.getInstance().setAcceptThirdPartyCookies(viewBinding.webView, true)
 		viewBinding.webView.webViewClient = BrowserClient(this)
 		viewBinding.webView.webChromeClient = ProgressChromeClient(viewBinding.progressBar)
 		onBackPressedCallback = WebViewBackPressedCallback(viewBinding.webView)

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/DirectoryAD.kt

@@ -0,0 +1,21 @@
+package org.koitharu.kotatsu.settings.storage
+
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
+import org.koitharu.kotatsu.databinding.ItemStorageBinding
+
+fun directoryAD(
+	clickListener: OnListItemClickListener<DirectoryModel>,
+) = adapterDelegateViewBinding<DirectoryModel, DirectoryModel, ItemStorageBinding>(
+	{ layoutInflater, parent -> ItemStorageBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	binding.root.setOnClickListener { v -> clickListener.onItemClick(item, v) }
+
+	bind {
+		binding.textViewTitle.text = item.title ?: getString(item.titleRes)
+		binding.textViewSubtitle.textAndVisible = item.file?.absolutePath
+		binding.imageViewIndicator.isChecked = item.isChecked
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/DirectoryDiffCallback.kt

@@ -0,0 +1,22 @@
+package org.koitharu.kotatsu.settings.storage
+
+import androidx.recyclerview.widget.DiffUtil.ItemCallback
+
+class DirectoryDiffCallback : ItemCallback<DirectoryModel>() {
+
+	override fun areItemsTheSame(oldItem: DirectoryModel, newItem: DirectoryModel): Boolean {
+		return oldItem.file == newItem.file
+	}
+
+	override fun areContentsTheSame(oldItem: DirectoryModel, newItem: DirectoryModel): Boolean {
+		return oldItem == newItem
+	}
+
+	override fun getChangePayload(oldItem: DirectoryModel, newItem: DirectoryModel): Any? {
+		return if (oldItem.isChecked != newItem.isChecked) {
+			Unit
+		} else {
+			super.getChangePayload(oldItem, newItem)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/DirectoryModel.kt

@@ -0,0 +1,36 @@
+package org.koitharu.kotatsu.settings.storage
+
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.list.ui.model.ListModel
+import java.io.File
+
+class DirectoryModel(
+	val title: String?,
+	@StringRes val titleRes: Int,
+	val file: File?,
+	val isChecked: Boolean,
+	val isAvailable: Boolean,
+) : ListModel {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as DirectoryModel
+
+		if (title != other.title) return false
+		if (titleRes != other.titleRes) return false
+		if (file != other.file) return false
+		if (isChecked != other.isChecked) return false
+		return isAvailable == other.isAvailable
+	}
+
+	override fun hashCode(): Int {
+		var result = title?.hashCode() ?: 0
+		result = 31 * result + titleRes
+		result = 31 * result + (file?.hashCode() ?: 0)
+		result = 31 * result + isChecked.hashCode()
+		result = 31 * result + isAvailable.hashCode()
+		return result
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/MangaDirectorySelectDialog.kt

@@ -0,0 +1,81 @@
+package org.koitharu.kotatsu.settings.storage
+
+import android.Manifest
+import android.os.Build
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.viewModels
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.exceptions.resolve.ToastErrorObserver
+import org.koitharu.kotatsu.core.ui.AlertDialogFragment
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.observeEvent
+import org.koitharu.kotatsu.core.util.ext.showDistinct
+import org.koitharu.kotatsu.databinding.DialogDirectorySelectBinding
+
+@AndroidEntryPoint
+class MangaDirectorySelectDialog : AlertDialogFragment<DialogDirectorySelectBinding>(),
+	OnListItemClickListener<DirectoryModel> {
+
+	private val viewModel: MangaDirectorySelectViewModel by viewModels()
+	private val pickFileTreeLauncher = registerForActivityResult(ActivityResultContracts.OpenDocumentTree()) {
+		if (it != null) viewModel.onCustomDirectoryPicked(it)
+	}
+	private val permissionRequestLauncher = registerForActivityResult(
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+			RequestStorageManagerPermissionContract()
+		} else {
+			ActivityResultContracts.RequestPermission()
+		},
+	) {
+		if (it) {
+			viewModel.refresh()
+			pickFileTreeLauncher.launch(null)
+		}
+	}
+
+	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): DialogDirectorySelectBinding {
+		return DialogDirectorySelectBinding.inflate(inflater, container, false)
+	}
+
+	override fun onViewBindingCreated(binding: DialogDirectorySelectBinding, savedInstanceState: Bundle?) {
+		super.onViewBindingCreated(binding, savedInstanceState)
+		val adapter = AsyncListDifferDelegationAdapter(DirectoryDiffCallback(), directoryAD(this))
+		binding.root.adapter = adapter
+		viewModel.items.observe(viewLifecycleOwner) { adapter.items = it }
+		viewModel.onDismissDialog.observeEvent(viewLifecycleOwner) { dismiss() }
+		viewModel.onPickDirectory.observeEvent(viewLifecycleOwner) { pickCustomDirectory() }
+		viewModel.onError.observeEvent(viewLifecycleOwner, ToastErrorObserver(binding.root, this))
+	}
+
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setCancelable(true)
+			.setTitle(R.string.manga_save_location)
+			.setNegativeButton(android.R.string.cancel, null)
+	}
+
+	override fun onItemClick(item: DirectoryModel, view: View) {
+		viewModel.onItemClick(item)
+	}
+
+	private fun pickCustomDirectory() {
+		permissionRequestLauncher.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+	}
+
+	companion object {
+
+		private const val TAG = "MangaDirectorySelectDialog"
+
+		fun show(fm: FragmentManager) = MangaDirectorySelectDialog()
+			.showDistinct(fm, TAG)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/MangaDirectorySelectViewModel.kt

@@ -0,0 +1,80 @@
+package org.koitharu.kotatsu.settings.storage
+
+import android.net.Uri
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import okio.FileNotFoundException
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
+import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import javax.inject.Inject
+
+@HiltViewModel
+class MangaDirectorySelectViewModel @Inject constructor(
+	private val storageManager: LocalStorageManager,
+	private val settings: AppSettings,
+) : BaseViewModel() {
+
+	val items = MutableStateFlow(emptyList<DirectoryModel>())
+	val onDismissDialog = MutableEventFlow<Unit>()
+	val onPickDirectory = MutableEventFlow<Unit>()
+
+	init {
+		refresh()
+	}
+
+	fun onItemClick(item: DirectoryModel) {
+		if (item.file != null) {
+			settings.mangaStorageDir = item.file
+			onDismissDialog.call(Unit)
+		} else {
+			onPickDirectory.call(Unit)
+		}
+	}
+
+	fun onCustomDirectoryPicked(uri: Uri) {
+		launchJob(Dispatchers.Default) {
+			storageManager.takePermissions(uri)
+			val dir = requireNotNull(storageManager.resolveUri(uri)) {
+				"Cannot resolve file name of \"$uri\""
+			}
+			if (!dir.canWrite()) {
+				throw AccessDeniedException(dir)
+			}
+			if (dir !in storageManager.getApplicationStorageDirs()) {
+				settings.mangaStorageDir = dir
+				storageManager.setDirIsNoMedia(dir)
+			}
+			onDismissDialog.call(Unit)
+		}
+	}
+
+	fun refresh() {
+		launchJob(Dispatchers.Default) {
+			val defaultValue = storageManager.getDefaultWriteableDir()
+			val available = storageManager.getWriteableDirs()
+			items.value = buildList(available.size + 1) {
+				available.mapTo(this) { dir ->
+					DirectoryModel(
+						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
+						titleRes = 0,
+						file = dir,
+						isChecked = dir == defaultValue,
+						isAvailable = true,
+					)
+				}
+				this += DirectoryModel(
+					title = null,
+					titleRes = R.string.pick_custom_directory,
+					file = null,
+					isChecked = false,
+					isAvailable = true,
+				)
+			}
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/RequestStorageManagerPermissionContract.kt

@@ -0,0 +1,34 @@
+package org.koitharu.kotatsu.settings.storage
+
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Environment
+import android.provider.Settings
+import androidx.activity.result.contract.ActivityResultContract
+import androidx.annotation.RequiresApi
+import androidx.core.net.toUri
+
+
+@RequiresApi(Build.VERSION_CODES.R)
+class RequestStorageManagerPermissionContract : ActivityResultContract<String, Boolean>() {
+
+	override fun createIntent(context: Context, input: String): Intent {
+		val intent = Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
+		intent.addCategory("android.intent.category.DEFAULT")
+		intent.data = "package:${context.packageName}".toUri()
+		return intent
+	}
+
+	override fun parseResult(resultCode: Int, intent: Intent?): Boolean {
+		return Environment.isExternalStorageManager()
+	}
+
+	override fun getSynchronousResult(context: Context, input: String): SynchronousResult<Boolean>? {
+		return if (Environment.isExternalStorageManager()) {
+			SynchronousResult(true)
+		} else {
+			null
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/DirectoryConfigAD.kt

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.settings.storage.directories
+
+import androidx.core.content.ContextCompat
+import androidx.core.view.isVisible
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.drawableStart
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
+import org.koitharu.kotatsu.databinding.ItemStorageConfigBinding
+import org.koitharu.kotatsu.settings.storage.DirectoryModel
+
+fun directoryConfigAD(
+	clickListener: OnListItemClickListener<DirectoryModel>,
+) = adapterDelegateViewBinding<DirectoryModel, DirectoryModel, ItemStorageConfigBinding>(
+	{ layoutInflater, parent -> ItemStorageConfigBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	binding.imageViewRemove.setOnClickListener { v -> clickListener.onItemClick(item, v) }
+
+	bind {
+		binding.textViewTitle.text = item.title ?: getString(item.titleRes)
+		binding.textViewSubtitle.textAndVisible = item.file?.absolutePath
+		binding.imageViewRemove.isVisible = item.isChecked
+		binding.textViewTitle.drawableStart = if (item.isAvailable) {
+			null
+		} else {
+			ContextCompat.getDrawable(context, R.drawable.ic_alert_outline)
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/MangaDirectoriesActivity.kt

@@ -0,0 +1,93 @@
+package org.koitharu.kotatsu.settings.storage.directories
+
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
+import androidx.core.graphics.Insets
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
+import androidx.core.view.updatePadding
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
+import org.koitharu.kotatsu.core.ui.BaseActivity
+import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.observeEvent
+import org.koitharu.kotatsu.databinding.ActivityMangaDirectoriesBinding
+import org.koitharu.kotatsu.settings.storage.DirectoryDiffCallback
+import org.koitharu.kotatsu.settings.storage.DirectoryModel
+import org.koitharu.kotatsu.settings.storage.RequestStorageManagerPermissionContract
+
+@AndroidEntryPoint
+class MangaDirectoriesActivity : BaseActivity<ActivityMangaDirectoriesBinding>(),
+	OnListItemClickListener<DirectoryModel>, View.OnClickListener {
+
+	private val viewModel: MangaDirectoriesViewModel by viewModels()
+	private val pickFileTreeLauncher = registerForActivityResult(ActivityResultContracts.OpenDocumentTree()) {
+		if (it != null) viewModel.onCustomDirectoryPicked(it)
+	}
+	private val permissionRequestLauncher = registerForActivityResult(
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+			RequestStorageManagerPermissionContract()
+		} else {
+			ActivityResultContracts.RequestPermission()
+		},
+	) {
+		if (it) {
+			viewModel.updateList()
+			pickFileTreeLauncher.launch(null)
+		}
+	}
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setContentView(ActivityMangaDirectoriesBinding.inflate(layoutInflater))
+		supportActionBar?.setDisplayHomeAsUpEnabled(true)
+		val adapter = AsyncListDifferDelegationAdapter(DirectoryDiffCallback(), directoryConfigAD(this))
+		viewBinding.recyclerView.adapter = adapter
+		viewBinding.fabAdd.setOnClickListener(this)
+		viewModel.items.observe(this) { adapter.items = it }
+		viewModel.isLoading.observe(this) { viewBinding.progressBar.isVisible = it }
+		viewModel.onError.observeEvent(
+			this,
+			SnackbarErrorObserver(viewBinding.root, null, exceptionResolver) {
+				if (it) viewModel.updateList()
+			},
+		)
+	}
+
+	override fun onItemClick(item: DirectoryModel, view: View) {
+		viewModel.onRemoveClick(item.file ?: return)
+	}
+
+	override fun onClick(v: View?) {
+		permissionRequestLauncher.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+	}
+
+	override fun onWindowInsetsChanged(insets: Insets) {
+		viewBinding.fabAdd.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+			rightMargin = topMargin + insets.right
+			leftMargin = topMargin + insets.left
+			bottomMargin = topMargin + insets.bottom
+		}
+		viewBinding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+		)
+		viewBinding.recyclerView.updatePadding(
+			bottom = insets.bottom,
+		)
+	}
+
+	companion object {
+
+		fun newIntent(context: Context) = Intent(context, MangaDirectoriesActivity::class.java)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/MangaDirectoriesViewModel.kt

@@ -0,0 +1,87 @@
+package org.koitharu.kotatsu.settings.storage.directories
+
+import android.net.Uri
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.cancelAndJoin
+import kotlinx.coroutines.flow.MutableStateFlow
+import okio.FileNotFoundException
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import org.koitharu.kotatsu.settings.storage.DirectoryModel
+import java.io.File
+import javax.inject.Inject
+
+@HiltViewModel
+class MangaDirectoriesViewModel @Inject constructor(
+	private val storageManager: LocalStorageManager,
+	private val settings: AppSettings,
+) : BaseViewModel() {
+
+	val items = MutableStateFlow(emptyList<DirectoryModel>())
+	private var loadingJob: Job? = null
+
+	init {
+		loadList()
+	}
+
+	fun updateList() {
+		loadList()
+	}
+
+	fun onCustomDirectoryPicked(uri: Uri) {
+		launchLoadingJob(Dispatchers.Default) {
+			loadingJob?.cancelAndJoin()
+			storageManager.takePermissions(uri)
+			val dir = requireNotNull(storageManager.resolveUri(uri)) {
+				"Cannot resolve file name of \"$uri\""
+			}
+			if (!dir.canWrite()) {
+				throw AccessDeniedException(dir)
+			}
+			if (dir !in storageManager.getApplicationStorageDirs()) {
+				settings.userSpecifiedMangaDirectories += dir
+				loadList()
+			}
+		}
+	}
+
+	fun onRemoveClick(directory: File) {
+		settings.userSpecifiedMangaDirectories -= directory
+		if (settings.mangaStorageDir == directory) {
+			settings.mangaStorageDir = null
+		}
+		loadList()
+	}
+
+	private fun loadList() {
+		val prevJob = loadingJob
+		loadingJob = launchJob(Dispatchers.Default) {
+			prevJob?.cancelAndJoin()
+			val applicationDirs = storageManager.getApplicationStorageDirs()
+			val customDirs = settings.userSpecifiedMangaDirectories
+			items.value = buildList(applicationDirs.size + customDirs.size) {
+				applicationDirs.mapTo(this) { dir ->
+					DirectoryModel(
+						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
+						titleRes = 0,
+						file = dir,
+						isChecked = false,
+						isAvailable = dir.canRead() && dir.canWrite(),
+					)
+				}
+				customDirs.mapTo(this) { dir ->
+					DirectoryModel(
+						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
+						titleRes = 0,
+						file = dir,
+						isChecked = true,
+						isAvailable = dir.canRead() && dir.canWrite(),
+					)
+				}
+			}
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/tracker/TrackerSettingsFragment.kt

@@ -24,6 +24,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
 import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.powerManager
 import org.koitharu.kotatsu.settings.tracker.categories.TrackerCategoriesConfigSheet
 import org.koitharu.kotatsu.settings.utils.MultiSummaryProvider
 import org.koitharu.kotatsu.tracker.work.TrackerNotificationChannels
@@ -155,7 +156,7 @@ class TrackerSettingsFragment :
 			return
 		}
 		val packageName = context.packageName
-		val powerManager = context.getSystemService(Context.POWER_SERVICE) as PowerManager
+		val powerManager = context.powerManager ?: return
 		if (!powerManager.isIgnoringBatteryOptimizations(packageName)) {
 			try {
 				val intent = Intent(

app/src/main/kotlin/org/koitharu/kotatsu/settings/work/PeriodicWorkScheduler.kt

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.settings.work
+
+import android.content.Context
+
+interface PeriodicWorkScheduler {
+
+	suspend fun schedule(context: Context)
+
+	suspend fun unschedule(context: Context)
+
+	suspend fun isScheduled(context: Context): Boolean
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/work/WorkScheduleManager.kt

@@ -0,0 +1,49 @@
+package org.koitharu.kotatsu.settings.work
+
+import android.content.Context
+import android.content.SharedPreferences
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
+import org.koitharu.kotatsu.suggestions.ui.SuggestionsWorker
+import org.koitharu.kotatsu.tracker.work.TrackWorker
+import javax.inject.Inject
+
+class WorkScheduleManager @Inject constructor(
+	@ApplicationContext private val context: Context,
+	private val settings: AppSettings,
+) : SharedPreferences.OnSharedPreferenceChangeListener {
+
+	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+		when (key) {
+			AppSettings.KEY_TRACKER_ENABLED -> updateWorker(TrackWorker, settings.isTrackerEnabled)
+			AppSettings.KEY_SUGGESTIONS -> updateWorker(SuggestionsWorker, settings.isSuggestionsEnabled)
+		}
+	}
+
+	fun init() {
+		settings.subscribe(this)
+		processLifecycleScope.launch(Dispatchers.Default) {
+			updateWorkerImpl(TrackWorker, settings.isTrackerEnabled)
+			updateWorkerImpl(SuggestionsWorker, settings.isSuggestionsEnabled)
+		}
+	}
+
+	private fun updateWorker(scheduler: PeriodicWorkScheduler, isEnabled: Boolean) {
+		processLifecycleScope.launch(Dispatchers.Default) {
+			updateWorkerImpl(scheduler, isEnabled)
+		}
+	}
+
+	private suspend fun updateWorkerImpl(scheduler: PeriodicWorkScheduler, isEnabled: Boolean) {
+		if (scheduler.isScheduled(context) != isEnabled) {
+			if (isEnabled) {
+				scheduler.schedule(context)
+			} else {
+				scheduler.unschedule(context)
+			}
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/shelf/domain/ShelfContentObserveUseCase.kt

@@ -4,6 +4,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
@@ -11,6 +12,8 @@ import kotlinx.coroutines.flow.mapLatest
 import kotlinx.coroutines.flow.onStart
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.model.FavouriteCategory
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.favourites.data.FavouriteCategoryEntity
 import org.koitharu.kotatsu.favourites.data.toFavouriteCategory
 import org.koitharu.kotatsu.favourites.data.toMangaList
@@ -32,6 +35,7 @@ class ShelfContentObserveUseCase @Inject constructor(
 	private val trackingRepository: TrackingRepository,
 	private val suggestionRepository: SuggestionRepository,
 	private val db: MangaDatabase,
+	private val settings: AppSettings,
 	@LocalStorageChanges private val localStorageChanges: SharedFlow<LocalManga?>,
 ) {
 
@@ -46,7 +50,10 @@ class ShelfContentObserveUseCase @Inject constructor(
 	}
 
 	private fun observeLocalManga(sortOrder: SortOrder, limit: Int): Flow<List<Manga>> {
-		return localStorageChanges
+		return combine<LocalManga?, String, Any?>(
+			localStorageChanges,
+			settings.observe().filter { it == AppSettings.KEY_LOCAL_MANGA_DIRS }
+		) { _, _ -> Any() }
 			.onStart { emit(null) }
 			.mapLatest {
 				localMangaRepository.getList(0, null, sortOrder).take(limit)

app/src/main/kotlin/org/koitharu/kotatsu/suggestions/ui/SuggestionsWorker.kt

@@ -23,6 +23,7 @@ import androidx.work.OutOfQuotaPolicy
 import androidx.work.PeriodicWorkRequestBuilder
 import androidx.work.WorkManager
 import androidx.work.WorkerParameters
+import androidx.work.await
 import androidx.work.workDataOf
 import coil.ImageLoader
 import coil.request.ImageRequest
@@ -38,6 +39,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.distinctById
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.util.WorkManagerHelper
 import org.koitharu.kotatsu.core.util.ext.almostEquals
 import org.koitharu.kotatsu.core.util.ext.asArrayList
 import org.koitharu.kotatsu.core.util.ext.flatten
@@ -55,6 +57,7 @@ import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.reader.ui.ReaderActivity.IntentBuilder
+import org.koitharu.kotatsu.settings.work.PeriodicWorkScheduler
 import org.koitharu.kotatsu.suggestions.domain.MangaSuggestion
 import org.koitharu.kotatsu.suggestions.domain.SuggestionRepository
 import org.koitharu.kotatsu.suggestions.domain.TagsBlacklist
@@ -75,11 +78,11 @@ class SuggestionsWorker @AssistedInject constructor(
 ) : CoroutineWorker(appContext, params) {
 
 	override suspend fun doWork(): Result {
+		trySetForeground()
 		if (!appSettings.isSuggestionsEnabled) {
 			suggestionRepository.clear()
 			return Result.success()
 		}
-		trySetForeground()
 		val count = doWorkImpl()
 		val outputData = workDataOf(DATA_COUNT to count)
 		return Result.success(outputData)
@@ -106,7 +109,7 @@ class SuggestionsWorker @AssistedInject constructor(
 			.setPriority(NotificationCompat.PRIORITY_MIN)
 			.setCategory(NotificationCompat.CATEGORY_SERVICE)
 			.setDefaults(0)
-			.setOngoing(true)
+			.setOngoing(false)
 			.setSilent(true)
 			.setProgress(0, 0, true)
 			.setSmallIcon(android.R.drawable.stat_notify_sync)
@@ -303,7 +306,7 @@ class SuggestionsWorker @AssistedInject constructor(
 		return -1
 	}
 
-	companion object {
+	companion object : PeriodicWorkScheduler {
 
 		private const val TAG = "suggestions"
 		private const val TAG_ONESHOT = "suggestions_oneshot"
@@ -324,7 +327,7 @@ class SuggestionsWorker @AssistedInject constructor(
 			SortOrder.RATING,
 		)
 
-		fun setup(context: Context) {
+		override suspend fun schedule(context: Context) {
 			val constraints = Constraints.Builder()
 				.setRequiredNetworkType(NetworkType.UNMETERED)
 				.setRequiresBatteryNotLow(true)
@@ -336,6 +339,19 @@ class SuggestionsWorker @AssistedInject constructor(
 				.build()
 			WorkManager.getInstance(context)
 				.enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.KEEP, request)
+				.await()
+		}
+
+		override suspend fun unschedule(context: Context) {
+			WorkManager.getInstance(context)
+				.cancelUniqueWork(TAG)
+				.await()
+		}
+
+		override suspend fun isScheduled(context: Context): Boolean {
+			return WorkManagerHelper(WorkManager.getInstance(context))
+				.getUniqueWorkInfoByName(TAG)
+				.any { !it.state.isFinished }
 		}
 
 		fun startNow(context: Context) {

app/src/main/kotlin/org/koitharu/kotatsu/sync/domain/SyncController.kt

@@ -43,10 +43,12 @@ class SyncController @Inject constructor(
 	private val defaultGcPeriod = TimeUnit.DAYS.toMillis(2) // gc period if sync disabled
 
 	override fun onInvalidated(tables: Set<String>) {
-		requestSync(
-			favourites = TABLE_FAVOURITES in tables || TABLE_FAVOURITE_CATEGORIES in tables,
-			history = TABLE_HISTORY in tables,
-		)
+		val favourites = (TABLE_FAVOURITES in tables || TABLE_FAVOURITE_CATEGORIES in tables)
+			&& !isSyncActiveOrPending(authorityFavourites)
+		val history = TABLE_HISTORY in tables && !isSyncActiveOrPending(authorityHistory)
+		if (favourites || history) {
+			requestSync(favourites, history)
+		}
 	}
 
 	fun isEnabled(account: Account): Boolean {
@@ -126,6 +128,11 @@ class SyncController @Inject constructor(
 		}
 	}
 
+	private fun isSyncActiveOrPending(authority: String): Boolean {
+		val account = peekAccount() ?: return false
+		return ContentResolver.isSyncActive(account, authority) || ContentResolver.isSyncPending(account, authority)
+	}
+
 	companion object {
 
 		@JvmStatic

app/src/main/kotlin/org/koitharu/kotatsu/sync/domain/SyncHelper.kt

@@ -11,6 +11,10 @@ import android.database.Cursor
 import android.net.Uri
 import androidx.annotation.WorkerThread
 import androidx.core.content.contentValuesOf
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import dagger.hilt.android.qualifiers.ApplicationContext
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -23,9 +27,9 @@ import org.koitharu.kotatsu.core.db.TABLE_HISTORY
 import org.koitharu.kotatsu.core.db.TABLE_MANGA
 import org.koitharu.kotatsu.core.db.TABLE_MANGA_TAGS
 import org.koitharu.kotatsu.core.db.TABLE_TAGS
-import org.koitharu.kotatsu.core.logs.LoggersModule
-import org.koitharu.kotatsu.core.network.GZipInterceptor
-import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.logs.FileLogger
+import org.koitharu.kotatsu.core.logs.SyncLogger
+import org.koitharu.kotatsu.core.network.BaseHttpClient
 import org.koitharu.kotatsu.core.util.ext.parseJsonOrNull
 import org.koitharu.kotatsu.core.util.ext.toContentValues
 import org.koitharu.kotatsu.core.util.ext.toJson
@@ -39,23 +43,20 @@ import java.util.concurrent.TimeUnit
 
 private const val FIELD_TIMESTAMP = "timestamp"
 
-/**
- * Warning! This class may be used in another process
- */
-@WorkerThread
-class SyncHelper(
-	context: Context,
-	private val account: Account,
-	private val provider: ContentProviderClient,
+class SyncHelper @AssistedInject constructor(
+	@ApplicationContext context: Context,
+	@BaseHttpClient baseHttpClient: OkHttpClient,
+	@Assisted private val account: Account,
+	@Assisted private val provider: ContentProviderClient,
+	private val settings: SyncSettings,
+	@SyncLogger private val logger: FileLogger,
 ) {
 
 	private val authorityHistory = context.getString(R.string.sync_authority_history)
 	private val authorityFavourites = context.getString(R.string.sync_authority_favourites)
-	private val settings = SyncSettings(context, account)
-	private val httpClient = OkHttpClient.Builder()
+	private val httpClient = baseHttpClient.newBuilder()
 		.authenticator(SyncAuthenticator(context, account, settings, SyncAuthApi(OkHttpClient())))
 		.addInterceptor(SyncInterceptor(context, account))
-		.addInterceptor(GZipInterceptor())
 		.build()
 	private val baseUrl: String by lazy {
 		val host = settings.host
@@ -64,8 +65,8 @@ class SyncHelper(
 	}
 	private val defaultGcPeriod: Long // gc period if sync enabled
 		get() = TimeUnit.DAYS.toMillis(4)
-	private val logger = LoggersModule.provideSyncLogger(context, AppSettings(context))
 
+	@WorkerThread
 	fun syncFavourites(syncResult: SyncResult) {
 		val data = JSONObject()
 		data.put(TABLE_FAVOURITE_CATEGORIES, getFavouriteCategories())
@@ -89,6 +90,7 @@ class SyncHelper(
 		gcFavourites()
 	}
 
+	@WorkerThread
 	fun syncHistory(syncResult: SyncResult) {
 		val data = JSONObject()
 		data.put(TABLE_HISTORY, getHistory())
@@ -321,4 +323,13 @@ class SyncHelper(
 			logger.log("$code ${request.url}")
 		}
 	}
+
+	@AssistedFactory
+	interface Factory {
+
+		fun create(
+			account: Account,
+			contentProviderClient: ContentProviderClient,
+		): SyncHelper
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/sync/ui/SyncAdapterEntryPoint.kt

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.sync.ui
+
+import dagger.hilt.EntryPoint
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import org.koitharu.kotatsu.sync.domain.SyncHelper
+
+@EntryPoint
+@InstallIn(SingletonComponent::class)
+interface SyncAdapterEntryPoint {
+	val syncHelperFactory: SyncHelper.Factory
+}

app/src/main/kotlin/org/koitharu/kotatsu/sync/ui/favourites/FavouritesSyncAdapter.kt

@@ -6,11 +6,12 @@ import android.content.ContentProviderClient
 import android.content.Context
 import android.content.SyncResult
 import android.os.Bundle
+import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.onError
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.sync.domain.SyncController
-import org.koitharu.kotatsu.sync.domain.SyncHelper
+import org.koitharu.kotatsu.sync.ui.SyncAdapterEntryPoint
 
 class FavouritesSyncAdapter(context: Context) : AbstractThreadedSyncAdapter(context, true) {
 
@@ -24,7 +25,8 @@ class FavouritesSyncAdapter(context: Context) : AbstractThreadedSyncAdapter(cont
 		if (!context.resources.getBoolean(R.bool.is_sync_enabled)) {
 			return
 		}
-		val syncHelper = SyncHelper(context, account, provider)
+		val entryPoint = EntryPointAccessors.fromApplication(context, SyncAdapterEntryPoint::class.java)
+		val syncHelper = entryPoint.syncHelperFactory.create(account, provider)
 		runCatchingCancellable {
 			syncHelper.syncFavourites(syncResult)
 			SyncController.setLastSync(context, account, authority, System.currentTimeMillis())

app/src/main/kotlin/org/koitharu/kotatsu/sync/ui/history/HistorySyncAdapter.kt

@@ -6,11 +6,12 @@ import android.content.ContentProviderClient
 import android.content.Context
 import android.content.SyncResult
 import android.os.Bundle
+import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.onError
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.sync.domain.SyncController
-import org.koitharu.kotatsu.sync.domain.SyncHelper
+import org.koitharu.kotatsu.sync.ui.SyncAdapterEntryPoint
 
 class HistorySyncAdapter(context: Context) : AbstractThreadedSyncAdapter(context, true) {
 
@@ -24,7 +25,8 @@ class HistorySyncAdapter(context: Context) : AbstractThreadedSyncAdapter(context
 		if (!context.resources.getBoolean(R.bool.is_sync_enabled)) {
 			return
 		}
-		val syncHelper = SyncHelper(context, account, provider)
+		val entryPoint = EntryPointAccessors.fromApplication(context, SyncAdapterEntryPoint::class.java)
+		val syncHelper = entryPoint.syncHelperFactory.create(account, provider)
 		runCatchingCancellable {
 			syncHelper.syncHistory(syncResult)
 			SyncController.setLastSync(context, account, authority, System.currentTimeMillis())

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt

@@ -13,9 +13,9 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 			entity = MangaEntity::class,
 			parentColumns = ["manga_id"],
 			childColumns = ["manga_id"],
-			onDelete = ForeignKey.CASCADE
-		)
-	]
+			onDelete = ForeignKey.CASCADE,
+		),
+	],
 )
 class TrackEntity(
 	@PrimaryKey(autoGenerate = false)
@@ -27,4 +27,4 @@ class TrackEntity(
 	@ColumnInfo(name = "last_check") val lastCheck: Long,
 	@get:Deprecated(message = "Should not be used", level = DeprecationLevel.ERROR)
 	@ColumnInfo(name = "last_notified_id") val lastNotifiedChapterId: Long
-)
+)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TracksDao.kt

@@ -43,6 +43,9 @@ abstract class TracksDao {
 	@Query("UPDATE tracks SET chapters_new = 0")
 	abstract suspend fun clearCounters()
 
+	@Query("UPDATE tracks SET chapters_new = 0 WHERE manga_id = :mangaId")
+	abstract suspend fun clearCounter(mangaId: Long)
+
 	@Query("DELETE FROM tracks WHERE manga_id = :mangaId")
 	abstract suspend fun delete(mangaId: Long)
 

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt

@@ -126,6 +126,18 @@ class TrackingRepository @Inject constructor(
 		}
 	}
 
+	suspend fun clearUpdates(ids: Collection<Long>) {
+		when {
+			ids.isEmpty() -> return
+			ids.size == 1 -> db.tracksDao.clearCounter(ids.single())
+			else -> db.withTransaction {
+				for (id in ids) {
+					db.tracksDao.clearCounter(id)
+				}
+			}
+		}
+	}
+
 	suspend fun syncWithHistory(manga: Manga, chapterId: Long) {
 		val chapters = manga.chapters ?: return
 		val chapterIndex = chapters.indexOfFirst { x -> x.id == chapterId }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/updates/UpdatesFragment.kt

@@ -1,7 +1,12 @@
 package org.koitharu.kotatsu.tracker.ui.updates
 
+import android.view.Menu
+import android.view.MenuItem
+import androidx.appcompat.view.ActionMode
 import androidx.fragment.app.viewModels
 import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 
 @AndroidEntryPoint
@@ -12,6 +17,22 @@ class UpdatesFragment : MangaListFragment() {
 
 	override fun onScrolledToEnd() = Unit
 
+	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+		mode.menuInflater.inflate(R.menu.mode_updates, menu)
+		return super.onCreateActionMode(controller, mode, menu)
+	}
+
+	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+		return when (item.itemId) {
+			R.id.action_remove -> {
+				viewModel.remove(controller.snapshot())
+				true
+			}
+
+			else -> super.onActionItemClicked(controller, mode, item)
+		}
+	}
+
 	companion object {
 
 		fun newInstance() = UpdatesFragment()

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/updates/UpdatesViewModel.kt

@@ -59,4 +59,10 @@ class UpdatesViewModel @Inject constructor(
 	override fun onRefresh() = Unit
 
 	override fun onRetry() = Unit
+
+	fun remove(ids: Set<Long>) {
+		launchJob(Dispatchers.Default) {
+			repository.clearUpdates(ids)
+		}
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/work/TrackWorker.kt

@@ -26,6 +26,7 @@ import androidx.work.WorkInfo
 import androidx.work.WorkManager
 import androidx.work.WorkQuery
 import androidx.work.WorkerParameters
+import androidx.work.await
 import coil.ImageLoader
 import coil.request.ImageRequest
 import dagger.assisted.Assisted
@@ -42,12 +43,14 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.logs.FileLogger
 import org.koitharu.kotatsu.core.logs.TrackerLogger
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.util.WorkManagerHelper
 import org.koitharu.kotatsu.core.util.ext.toBitmapOrNull
 import org.koitharu.kotatsu.core.util.ext.trySetForeground
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import org.koitharu.kotatsu.settings.work.PeriodicWorkScheduler
 import org.koitharu.kotatsu.tracker.domain.Tracker
 import org.koitharu.kotatsu.tracker.domain.model.MangaUpdates
 import java.util.concurrent.TimeUnit
@@ -67,6 +70,7 @@ class TrackWorker @AssistedInject constructor(
 	}
 
 	override suspend fun doWork(): Result {
+		trySetForeground()
 		logger.log("doWork()")
 		try {
 			return doWorkImpl()
@@ -85,7 +89,6 @@ class TrackWorker @AssistedInject constructor(
 		if (!settings.isTrackerEnabled) {
 			return Result.success(workDataOf(0, 0))
 		}
-		trySetForeground()
 		val tracks = tracker.getAllTracks()
 		logger.log("Total ${tracks.size} tracks")
 		if (tracks.isEmpty()) {
@@ -218,7 +221,7 @@ class TrackWorker @AssistedInject constructor(
 			.setPriority(NotificationCompat.PRIORITY_MIN)
 			.setCategory(NotificationCompat.CATEGORY_SERVICE)
 			.setDefaults(0)
-			.setOngoing(true)
+			.setOngoing(false)
 			.setSilent(true)
 			.setProgress(0, 0, true)
 			.setSmallIcon(android.R.drawable.stat_notify_sync)
@@ -234,7 +237,7 @@ class TrackWorker @AssistedInject constructor(
 			.build()
 	}
 
-	companion object {
+	companion object : PeriodicWorkScheduler {
 
 		private const val WORKER_CHANNEL_ID = "track_worker"
 		private const val WORKER_NOTIFICATION_ID = 35
@@ -244,14 +247,28 @@ class TrackWorker @AssistedInject constructor(
 		private const val DATA_KEY_SUCCESS = "success"
 		private const val DATA_KEY_FAILED = "failed"
 
-		fun setup(context: Context) {
+		override suspend fun schedule(context: Context) {
 			val constraints = Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED).build()
 			val request = PeriodicWorkRequestBuilder<TrackWorker>(4, TimeUnit.HOURS)
 				.setConstraints(constraints)
 				.addTag(TAG)
 				.setBackoffCriteria(BackoffPolicy.LINEAR, 30, TimeUnit.MINUTES)
 				.build()
-			WorkManager.getInstance(context).enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.KEEP, request)
+			WorkManager.getInstance(context)
+				.enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.KEEP, request)
+				.await()
+		}
+
+		override suspend fun unschedule(context: Context) {
+			WorkManager.getInstance(context)
+				.cancelUniqueWork(TAG)
+				.await()
+		}
+
+		override suspend fun isScheduled(context: Context): Boolean {
+			return WorkManagerHelper(WorkManager.getInstance(context))
+				.getUniqueWorkInfoByName(TAG)
+				.any { !it.state.isFinished }
 		}
 
 		fun startNow(context: Context) {

app/src/main/kotlin/org/koitharu/kotatsu/widget/recent/RecentListFactory.kt

@@ -37,7 +37,7 @@ class RecentListFactory(
 
 	override fun getLoadingView() = null
 
-	override fun getItemId(position: Int) = dataSet[position].id
+	override fun getItemId(position: Int) = dataSet.getOrNull(position)?.id ?: 0L
 
 	override fun onDataSetChanged() {
 		val data = runBlocking { historyRepository.getList(0, 10) }
@@ -48,7 +48,7 @@ class RecentListFactory(
 
 	override fun getViewAt(position: Int): RemoteViews {
 		val views = RemoteViews(context.packageName, R.layout.item_recent)
-		val item = dataSet[position]
+		val item = dataSet.getOrNull(position) ?: return views
 		runCatching {
 			coil.executeBlocking(
 				ImageRequest.Builder(context)

app/src/main/kotlin/org/koitharu/kotatsu/widget/shelf/ShelfListFactory.kt

@@ -40,7 +40,7 @@ class ShelfListFactory(
 
 	override fun getLoadingView() = null
 
-	override fun getItemId(position: Int) = dataSet[position].id
+	override fun getItemId(position: Int) = dataSet.getOrNull(position)?.id ?: 0L
 
 	override fun onDataSetChanged() {
 		val data = runBlocking {
@@ -58,7 +58,7 @@ class ShelfListFactory(
 
 	override fun getViewAt(position: Int): RemoteViews {
 		val views = RemoteViews(context.packageName, R.layout.item_shelf)
-		val item = dataSet[position]
+		val item = dataSet.getOrNull(position) ?: return views
 		views.setTextViewText(R.id.textView_title, item.title)
 		runCatching {
 			coil.executeBlocking(