Respect display cutout in reader bar

Currently translated at 100.0% (376 of 376 strings)

Co-authored-by: Dpper <ruslan20020401@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/uk/
Translation: Kotatsu/Strings

app/build.gradle

@@ -7,16 +7,16 @@ plugins {
 }
 
 android {
-	compileSdkVersion 32
-	buildToolsVersion '32.0.0'
+	compileSdkVersion 33
+	buildToolsVersion '33.0.0'
 	namespace 'org.koitharu.kotatsu'
 
 	defaultConfig {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
-		targetSdkVersion 32
-		versionCode 490
-		versionName '4.0-a1'
+		targetSdkVersion 33
+		versionCode 494
+		versionName '4.0-a5'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -29,6 +29,8 @@ android {
 		// define this values in your local.properties file
 		buildConfigField 'String', 'SHIKIMORI_CLIENT_ID', "\"${localProperty('shikimori.clientId')}\""
 		buildConfigField 'String', 'SHIKIMORI_CLIENT_SECRET', "\"${localProperty('shikimori.clientSecret')}\""
+		resValue "string", "acra_login", "${localProperty('acra.login')}"
+		resValue "string", "acra_password", "${localProperty('acra.password')}"
 	}
 	buildTypes {
 		debug {
@@ -80,7 +82,7 @@ afterEvaluate {
 	}
 }
 dependencies {
-	implementation('com.github.KotatsuApp:kotatsu-parsers:8709c3dd0c') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:f112a06ab6') {
 		exclude group: 'org.json', module: 'json'
 	}
 
@@ -115,19 +117,19 @@ dependencies {
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation "com.google.dagger:hilt-android:2.42"
-	kapt "com.google.dagger:hilt-compiler:2.42"
+	implementation "com.google.dagger:hilt-android:2.43.2"
+	kapt "com.google.dagger:hilt-compiler:2.43.2"
 	implementation 'androidx.hilt:hilt-work:1.0.0'
 	kapt 'androidx.hilt:hilt-compiler:1.0.0'
 
-	implementation 'io.coil-kt:coil-base:2.1.0'
-	implementation 'io.coil-kt:coil-svg:2.1.0'
+	implementation 'io.coil-kt:coil-base:2.2.0'
+	implementation 'io.coil-kt:coil-svg:2.2.0'
 //	implementation 'com.davemorrissey.labs:subsampling-scale-image-view-androidx:3.10.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:d3aa1d2beb'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:2942b797a2'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 
-	implementation 'ch.acra:acra-mail:5.9.5'
-	implementation 'ch.acra:acra-dialog:5.9.5'
+	implementation 'ch.acra:acra-http:5.9.6'
+	implementation 'ch.acra:acra-dialog:5.9.6'
 
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.9.1'
 
@@ -145,6 +147,6 @@ dependencies {
 	androidTestImplementation 'androidx.room:room-testing:2.4.3'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.13.0'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.42'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.42'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.43.2'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.43.2'
 }

app/proguard-rules.pro

@@ -10,4 +10,7 @@
 }
 -keep public class ** extends org.koitharu.kotatsu.base.ui.BaseFragment
 -keep class org.koitharu.kotatsu.core.db.entity.* { *; }
--dontwarn okhttp3.internal.platform.ConscryptPlatform
+-dontwarn okhttp3.internal.platform.ConscryptPlatform
+
+-keep class org.koitharu.kotatsu.core.exceptions.* { *; }
+-keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment

app/src/main/AndroidManifest.xml

@@ -17,6 +17,7 @@
 	<uses-permission android:name="android.permission.READ_SYNC_STATS" />
 	<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" />
 
 	<application
 		android:name="org.koitharu.kotatsu.KotatsuApp"
@@ -132,11 +133,14 @@
 		<activity
 			android:name="org.koitharu.kotatsu.sync.ui.SyncAuthActivity"
 			android:label="@string/sync" />
+		<activity
+			android:name="org.koitharu.kotatsu.reader.ui.colorfilter.ColorFilterConfigActivity"
+			android:label="@string/color_correction" />
 
 		<service
 			android:name="org.koitharu.kotatsu.download.ui.service.DownloadService"
-			android:stopWithTask="false"
-			android:foregroundServiceType="dataSync" />
+			android:foregroundServiceType="dataSync"
+			android:stopWithTask="false" />
 		<service android:name="org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService" />
 		<service android:name="org.koitharu.kotatsu.local.ui.ImportService" />
 		<service

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

@@ -15,9 +15,10 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import org.acra.ReportField
 import org.acra.config.dialog
-import org.acra.config.mailSender
+import org.acra.config.httpSender
 import org.acra.data.StringFormat
 import org.acra.ktx.initAcra
+import org.acra.sender.HttpSender
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.PagesCache
@@ -59,16 +60,24 @@ class KotatsuApp : Application(), Configuration.Provider {
 		super.attachBaseContext(base)
 		initAcra {
 			buildConfigClass = BuildConfig::class.java
-			reportFormat = StringFormat.KEY_VALUE_LIST
+			reportFormat = StringFormat.JSON
+			excludeMatchingSharedPreferencesKeys = listOf(
+				"sources_\\w+",
+			)
+			httpSender {
+				uri = getString(R.string.url_error_report)
+				basicAuthLogin = getString(R.string.acra_login)
+				basicAuthPassword = getString(R.string.acra_password)
+				httpMethod = HttpSender.Method.POST
+			}
 			reportContent = listOf(
 				ReportField.PACKAGE_NAME,
 				ReportField.APP_VERSION_CODE,
 				ReportField.APP_VERSION_NAME,
 				ReportField.ANDROID_VERSION,
 				ReportField.PHONE_MODEL,
-				ReportField.CRASH_CONFIGURATION,
 				ReportField.STACK_TRACE,
-				ReportField.CUSTOM_DATA,
+				ReportField.CRASH_CONFIGURATION,
 				ReportField.SHARED_PREFERENCES,
 			)
 			dialog {
@@ -78,11 +87,6 @@ class KotatsuApp : Application(), Configuration.Provider {
 				resIcon = R.drawable.ic_alert_outline
 				resTheme = android.R.style.Theme_Material_Light_Dialog_Alert
 			}
-			mailSender {
-				mailTo = getString(R.string.email_error_report)
-				reportAsFile = true
-				reportFileName = "stacktrace.txt"
-			}
 		}
 	}
 

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaDataRepository.kt

@@ -10,6 +10,9 @@ import java.util.zip.ZipFile
 import javax.inject.Inject
 import kotlin.math.roundToInt
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.runInterruptible
 import okhttp3.OkHttpClient
 import okhttp3.Request
@@ -23,6 +26,7 @@ import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.util.await
+import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
 
 private const val MIN_WEBTOON_RATIO = 2
 
@@ -31,15 +35,22 @@ class MangaDataRepository @Inject constructor(
 	private val db: MangaDatabase,
 ) {
 
-	suspend fun savePreferences(manga: Manga, mode: ReaderMode) {
-		val tags = manga.tags.toEntities()
+	suspend fun saveReaderMode(manga: Manga, mode: ReaderMode) {
 		db.withTransaction {
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(manga.toEntity(), tags)
+			storeManga(manga)
+			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
+			db.preferencesDao.upsert(entity.copy(mode = mode.id))
+		}
+	}
+
+	suspend fun saveColorFilter(manga: Manga, colorFilter: ReaderColorFilter?) {
+		db.withTransaction {
+			storeManga(manga)
+			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
 			db.preferencesDao.upsert(
-				MangaPrefsEntity(
-					mangaId = manga.id,
-					mode = mode.id,
+				entity.copy(
+					cfBrightness = colorFilter?.brightness ?: 0f,
+					cfContrast = colorFilter?.contrast ?: 0f,
 				),
 			)
 		}
@@ -49,6 +60,16 @@ class MangaDataRepository @Inject constructor(
 		return db.preferencesDao.find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
 	}
 
+	suspend fun getColorFilter(mangaId: Long): ReaderColorFilter? {
+		return db.preferencesDao.find(mangaId)?.getColorFilterOrNull()
+	}
+
+	fun observeColorFilter(mangaId: Long): Flow<ReaderColorFilter?> {
+		return db.preferencesDao.observe(mangaId)
+			.map { it?.getColorFilterOrNull() }
+			.distinctUntilChanged()
+	}
+
 	suspend fun findMangaById(mangaId: Long): Manga? {
 		return db.mangaDao.find(mangaId)?.toManga()
 	}
@@ -71,6 +92,14 @@ class MangaDataRepository @Inject constructor(
 		return db.tagsDao.findTags(source.name).toMangaTags()
 	}
 
+	private fun MangaPrefsEntity.getColorFilterOrNull(): ReaderColorFilter? {
+		return if (cfBrightness != 0f || cfContrast != 0f) {
+			ReaderColorFilter(cfBrightness, cfContrast)
+		} else {
+			null
+		}
+	}
+
 	/**
 	 * Automatic determine type of manga by page size
 	 * @return ReaderMode.WEBTOON if page is wide
@@ -104,6 +133,13 @@ class MangaDataRepository @Inject constructor(
 		return size.width * MIN_WEBTOON_RATIO < size.height
 	}
 
+	private fun newEntity(mangaId: Long) = MangaPrefsEntity(
+		mangaId = mangaId,
+		mode = -1,
+		cfBrightness = 0f,
+		cfContrast = 0f,
+	)
+
 	companion object {
 
 		suspend fun getImageMimeType(file: File): String? = runInterruptible(Dispatchers.IO) {

app/src/main/java/org/koitharu/kotatsu/base/domain/MangaIntent.kt

@@ -5,6 +5,8 @@ import android.net.Uri
 import android.os.Bundle
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.utils.ext.getParcelableCompat
+import org.koitharu.kotatsu.utils.ext.getParcelableExtraCompat
 
 class MangaIntent private constructor(
 	val manga: Manga?,
@@ -13,15 +15,15 @@ class MangaIntent private constructor(
 ) {
 
 	constructor(intent: Intent?) : this(
-		manga = intent?.getParcelableExtra<ParcelableManga>(KEY_MANGA)?.manga,
+		manga = intent?.getParcelableExtraCompat<ParcelableManga>(KEY_MANGA)?.manga,
 		mangaId = intent?.getLongExtra(KEY_ID, ID_NONE) ?: ID_NONE,
-		uri = intent?.data
+		uri = intent?.data,
 	)
 
 	constructor(args: Bundle?) : this(
-		manga = args?.getParcelable<ParcelableManga>(KEY_MANGA)?.manga,
+		manga = args?.getParcelableCompat<ParcelableManga>(KEY_MANGA)?.manga,
 		mangaId = args?.getLong(KEY_ID, ID_NONE) ?: ID_NONE,
-		uri = null
+		uri = null,
 	)
 
 	companion object {

app/src/main/java/org/koitharu/kotatsu/base/ui/AlertDialogFragment.kt

@@ -21,14 +21,14 @@ abstract class AlertDialogFragment<B : ViewBinding> : DialogFragment() {
 		viewBinding = binding
 		return MaterialAlertDialogBuilder(requireContext(), theme)
 			.setView(binding.root)
-			.also(::onBuildDialog)
+			.run(::onBuildDialog)
 			.create()
 	}
 
 	final override fun onCreateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
-		savedInstanceState: Bundle?
+		savedInstanceState: Bundle?,
 	) = viewBinding?.root
 
 	@CallSuper
@@ -37,9 +37,9 @@ abstract class AlertDialogFragment<B : ViewBinding> : DialogFragment() {
 		super.onDestroyView()
 	}
 
-	open fun onBuildDialog(builder: MaterialAlertDialogBuilder) = Unit
+	open fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder = builder
 
 	protected fun bindingOrNull(): B? = viewBinding
 
 	protected abstract fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): B
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/fastscroll/BubbleAnimator.kt

@@ -8,16 +8,18 @@ import android.view.animation.AccelerateInterpolator
 import android.view.animation.DecelerateInterpolator
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
+import kotlin.math.hypot
 import org.koitharu.kotatsu.utils.ext.animatorDurationScale
 import org.koitharu.kotatsu.utils.ext.measureWidth
-import kotlin.math.hypot
 
 class BubbleAnimator(
 	private val bubble: View,
 ) {
 
-	private val animationDuration = (bubble.resources.getInteger(android.R.integer.config_shortAnimTime) *
-		bubble.context.animatorDurationScale).toLong()
+	private val animationDuration = (
+		bubble.resources.getInteger(android.R.integer.config_shortAnimTime) *
+			bubble.context.animatorDurationScale
+		).toLong()
 	private var animator: Animator? = null
 	private var isHiding = false
 
@@ -65,12 +67,12 @@ class BubbleAnimator(
 
 		private var isCancelled = false
 
-		override fun onAnimationCancel(animation: Animator?) {
+		override fun onAnimationCancel(animation: Animator) {
 			super.onAnimationCancel(animation)
 			isCancelled = true
 		}
 
-		override fun onAnimationEnd(animation: Animator?) {
+		override fun onAnimationEnd(animation: Animator) {
 			super.onAnimationEnd(animation)
 			if (!isCancelled && animation === this@BubbleAnimator.animator) {
 				bubble.isInvisible = true
@@ -79,4 +81,4 @@ class BubbleAnimator(
 			}
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/fastscroll/ScrollbarAnimator.kt

@@ -14,8 +14,10 @@ class ScrollbarAnimator(
 	private val scrollbarPaddingEnd: Float,
 ) {
 
-	private val animationDuration = (scrollbar.resources.getInteger(R.integer.config_defaultAnimTime) *
-		scrollbar.context.animatorDurationScale).toLong()
+	private val animationDuration = (
+		scrollbar.resources.getInteger(R.integer.config_defaultAnimTime) *
+			scrollbar.context.animatorDurationScale
+		).toLong()
 	private var animator: ViewPropertyAnimator? = null
 	private var isHiding = false
 
@@ -40,30 +42,32 @@ class ScrollbarAnimator(
 		}
 		animator?.cancel()
 		isHiding = true
-		animator = scrollbar
-			.animate()
-			.translationX(scrollbarPaddingEnd)
-			.alpha(0f)
-			.setDuration(animationDuration)
-			.setListener(HideListener())
+		animator = scrollbar.animate().apply {
+			translationX(scrollbarPaddingEnd)
+			alpha(0f)
+			duration = animationDuration
+			setListener(HideListener(this))
+		}
 	}
 
-	private inner class HideListener : AnimatorListenerAdapter() {
+	private inner class HideListener(
+		private val viewPropertyAnimator: ViewPropertyAnimator,
+	) : AnimatorListenerAdapter() {
 
 		private var isCancelled = false
 
-		override fun onAnimationCancel(animation: Animator?) {
+		override fun onAnimationCancel(animation: Animator) {
 			super.onAnimationCancel(animation)
 			isCancelled = true
 		}
 
-		override fun onAnimationEnd(animation: Animator?) {
+		override fun onAnimationEnd(animation: Animator) {
 			super.onAnimationEnd(animation)
-			if (!isCancelled && animation === this@ScrollbarAnimator.animator) {
+			if (!isCancelled && this@ScrollbarAnimator.animator === viewPropertyAnimator) {
 				scrollbar.isInvisible = true
 				isHiding = false
 				this@ScrollbarAnimator.animator = null
 			}
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/BottomSheetHeaderBar.kt

@@ -2,15 +2,11 @@ package org.koitharu.kotatsu.base.ui.widgets
 
 import android.animation.LayoutTransition
 import android.content.Context
-import android.transition.AutoTransition
-import android.transition.TransitionManager
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.WindowInsets
-import android.view.animation.AccelerateDecelerateInterpolator
-import android.view.animation.DecelerateInterpolator
 import androidx.annotation.AttrRes
 import androidx.annotation.StringRes
 import androidx.appcompat.widget.Toolbar
@@ -30,6 +26,8 @@ import org.koitharu.kotatsu.utils.ext.getAnimationDuration
 import org.koitharu.kotatsu.utils.ext.getThemeDrawable
 import org.koitharu.kotatsu.utils.ext.parents
 
+private const val THROTTLE_DELAY = 200L
+
 class BottomSheetHeaderBar @JvmOverloads constructor(
 	context: Context,
 	attrs: AttributeSet? = null,
@@ -39,11 +37,17 @@ class BottomSheetHeaderBar @JvmOverloads constructor(
 	private val binding = LayoutSheetHeaderBinding.inflate(LayoutInflater.from(context), this)
 	private val closeDrawable = context.getThemeDrawable(materialR.attr.actionModeCloseDrawable)
 	private val bottomSheetCallback = Callback()
+	private val adjustStateRunnable = Runnable { adjustState() }
 	private var bottomSheetBehavior: BottomSheetBehavior<*>? = null
 	private val locationBuffer = IntArray(2)
 	private val expansionListeners = LinkedList<OnExpansionChangeListener>()
 	private var fitStatusBar = false
-	private var transition: AutoTransition? = null
+	private val minHandleHeight = context.resources.getDimensionPixelSize(R.dimen.bottom_sheet_handle_size_min)
+	private val maxHandleHeight = context.resources.getDimensionPixelSize(R.dimen.bottom_sheet_handle_size_max)
+	private var isLayoutSuppressedCompat = false
+	private var isLayoutCalledWhileSuppressed = false
+	private var isBsExpanded = false
+	private var stateAdjustedAt = 0L
 
 	@Deprecated("")
 	val toolbar: MaterialToolbar
@@ -156,6 +160,14 @@ class BottomSheetHeaderBar @JvmOverloads constructor(
 		binding.toolbar.setSubtitle(resId)
 	}
 
+	override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
+		if (isLayoutSuppressedCompat) {
+			isLayoutCalledWhileSuppressed = true
+		} else {
+			super.onLayout(changed, l, t, r, b)
+		}
+	}
+
 	private fun setBottomSheetBehavior(behavior: BottomSheetBehavior<*>?) {
 		bottomSheetBehavior?.removeBottomSheetCallback(bottomSheetCallback)
 		bottomSheetBehavior = behavior
@@ -166,15 +178,20 @@ class BottomSheetHeaderBar @JvmOverloads constructor(
 	}
 
 	private fun onBottomSheetStateChanged(newState: Int) {
-		val isExpanded = newState == BottomSheetBehavior.STATE_EXPANDED && isOnTopOfScreen()
-		if (isExpanded == binding.dragHandle.isGone) {
-			return
+		val expanded = newState == BottomSheetBehavior.STATE_EXPANDED && isOnTopOfScreen()
+		if (isBsExpanded != expanded) {
+			isBsExpanded = expanded
+			postAdjustState()
 		}
-		TransitionManager.beginDelayedTransition(this, getTransition())
-		binding.toolbar.navigationIcon = (if (isExpanded) closeDrawable else null)
-		binding.dragHandle.isGone = isExpanded
-		expansionListeners.forEach { it.onExpansionStateChanged(this, isExpanded) }
-		dispatchInsets(ViewCompat.getRootWindowInsets(this))
+	}
+
+	private fun suppressLayoutCompat(suppress: Boolean) {
+		if (suppress == isLayoutSuppressedCompat) return
+		isLayoutSuppressedCompat = suppress
+		if (!suppress && isLayoutCalledWhileSuppressed) {
+			requestLayout()
+		}
+		isLayoutCalledWhileSuppressed = false
 	}
 
 	private fun dispatchInsets(insets: WindowInsetsCompat?) {
@@ -182,11 +199,14 @@ class BottomSheetHeaderBar @JvmOverloads constructor(
 			return
 		}
 		val isExpanded = binding.dragHandle.isGone
+		val topInset = insets?.getInsets(WindowInsetsCompat.Type.systemBars())?.top ?: 0
 		if (isExpanded) {
-			val topInset = insets?.getInsets(WindowInsetsCompat.Type.systemBars())?.top ?: 0
 			updatePadding(top = topInset)
 		} else {
 			updatePadding(top = 0)
+			binding.dragHandle.updateLayoutParams {
+				height = topInset.coerceIn(minHandleHeight, maxHandleHeight)
+			}
 		}
 	}
 
@@ -225,7 +245,7 @@ class BottomSheetHeaderBar @JvmOverloads constructor(
 			return true
 		}
 		val viewId = child.id
-		return viewId == R.id.dragHandle || viewId == R.id.toolbar || viewId == R.id.frame
+		return viewId == R.id.dragHandle || viewId == R.id.toolbar
 	}
 
 	private fun convertLayoutParams(params: ViewGroup.LayoutParams?): Toolbar.LayoutParams? {
@@ -242,13 +262,24 @@ class BottomSheetHeaderBar @JvmOverloads constructor(
 		}
 	}
 
-	private fun getTransition(): AutoTransition {
-		transition?.let { return it }
-		val t = AutoTransition()
-		t.duration = context.getAnimationDuration(android.R.integer.config_shortAnimTime)
-		t.addTarget(binding.dragHandle)
-		transition = t
-		return t
+	private fun postAdjustState() {
+		removeCallbacks(adjustStateRunnable)
+		val now = System.currentTimeMillis()
+		if (stateAdjustedAt + THROTTLE_DELAY < now) {
+			adjustState()
+		} else {
+			postDelayed(adjustStateRunnable, THROTTLE_DELAY)
+		}
+	}
+
+	private fun adjustState() {
+		suppressLayoutCompat(true)
+		binding.toolbar.navigationIcon = (if (isBsExpanded) closeDrawable else null)
+		binding.dragHandle.isGone = isBsExpanded
+		expansionListeners.forEach { it.onExpansionStateChanged(this, isBsExpanded) }
+		dispatchInsets(ViewCompat.getRootWindowInsets(this))
+		stateAdjustedAt = System.currentTimeMillis()
+		suppressLayoutCompat(false)
 	}
 
 	private inner class Callback : BottomSheetBehavior.BottomSheetCallback(), View.OnClickListener {

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/SlidingBottomNavigationView.kt

@@ -100,7 +100,7 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 			.applySystemAnimatorScale(context)
 			.setListener(
 				object : AnimatorListenerAdapter() {
-					override fun onAnimationEnd(animation: Animator?) {
+					override fun onAnimationEnd(animation: Animator) {
 						currentAnimator = null
 						postInvalidate()
 					}

app/src/main/java/org/koitharu/kotatsu/bookmarks/ui/BookmarksViewModel.kt

@@ -42,7 +42,7 @@ class BookmarksViewModel @Inject constructor(
 				BookmarksGroup(manga, bookmarks)
 			}
 		}
-		.catch { e -> e.toErrorState(canRetry = false) }
+		.catch { e -> emit(listOf(e.toErrorState(canRetry = false))) }
 		.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
 
 	fun removeBookmarks(ids: Map<Manga, Set<Long>>) {

app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareDialog.kt

@@ -55,11 +55,12 @@ class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), Cloud
 
 	override fun onDestroyView() {
 		binding.webView.stopLoading()
+		binding.webView.destroy()
 		super.onDestroyView()
 	}
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder.setNegativeButton(android.R.string.cancel, null)
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder).setNegativeButton(android.R.string.cancel, null)
 	}
 
 	override fun onResume() {
@@ -83,7 +84,7 @@ class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), Cloud
 
 	override fun onCheckPassed() {
 		pendingResult.putBoolean(EXTRA_RESULT, true)
-		dismiss()
+		dismissAllowingStateLoss()
 	}
 
 	companion object {

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

@@ -35,7 +35,7 @@ import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TracksDao
 import org.koitharu.kotatsu.utils.ext.processLifecycleScope
 
-const val DATABASE_VERSION = 14
+const val DATABASE_VERSION = 15
 
 @Database(
 	entities = [
@@ -86,6 +86,7 @@ val databaseMigrations: Array<Migration>
 		Migration11To12(),
 		Migration12To13(),
 		Migration13To14(),
+		Migration14To15(),
 	)
 
 fun MangaDatabase(context: Context): MangaDatabase = Room

app/src/main/java/org/koitharu/kotatsu/core/db/dao/PreferencesDao.kt

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.db.dao
 
 import androidx.room.*
+import kotlinx.coroutines.flow.Flow
 import org.koitharu.kotatsu.core.db.entity.MangaPrefsEntity
 
 @Dao
@@ -9,6 +10,9 @@ abstract class PreferencesDao {
 	@Query("SELECT * FROM preferences WHERE manga_id = :mangaId")
 	abstract suspend fun find(mangaId: Long): MangaPrefsEntity?
 
+	@Query("SELECT * FROM preferences WHERE manga_id = :mangaId")
+	abstract fun observe(mangaId: Long): Flow<MangaPrefsEntity?>
+
 	@Insert(onConflict = OnConflictStrategy.IGNORE)
 	abstract suspend fun insert(pref: MangaPrefsEntity): Long
 
@@ -21,4 +25,4 @@ abstract class PreferencesDao {
 			insert(pref)
 		}
 	}
-}
+}

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

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.db.dao
 
 import androidx.room.*
+import kotlinx.coroutines.flow.Flow
 import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TrackLogWithManga
 
@@ -8,8 +9,8 @@ import org.koitharu.kotatsu.tracker.data.TrackLogWithManga
 interface TrackLogsDao {
 
 	@Transaction
-	@Query("SELECT * FROM track_logs ORDER BY created_at DESC LIMIT :limit OFFSET :offset")
-	suspend fun findAll(offset: Int, limit: Int): List<TrackLogWithManga>
+	@Query("SELECT * FROM track_logs ORDER BY created_at DESC LIMIT :limit OFFSET 0")
+	fun observeAll(limit: Int): Flow<List<TrackLogWithManga>>
 
 	@Query("DELETE FROM track_logs")
 	suspend fun clear()
@@ -25,4 +26,4 @@ interface TrackLogsDao {
 
 	@Query("SELECT COUNT(*) FROM track_logs")
 	suspend fun count(): Int
-}
+}

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.db.entity
 
+import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.parsers.util.toTitleCase
@@ -10,7 +11,7 @@ import org.koitharu.kotatsu.utils.ext.longHashCode
 fun TagEntity.toMangaTag() = MangaTag(
 	key = this.key,
 	title = this.title.toTitleCase(),
-	source = MangaSource.valueOf(this.source),
+	source = MangaSource(this.source) ?: MangaSource.DUMMY,
 )
 
 fun Collection<TagEntity>.toMangaTags() = mapToSet(TagEntity::toMangaTag)
@@ -19,7 +20,7 @@ fun MangaEntity.toManga(tags: Set<MangaTag>) = Manga(
 	id = this.id,
 	title = this.title,
 	altTitle = this.altTitle,
-	state = this.state?.let { MangaState.valueOf(it) },
+	state = this.state?.let { MangaState(it) },
 	rating = this.rating,
 	isNsfw = this.isNsfw,
 	url = this.url,
@@ -27,8 +28,8 @@ fun MangaEntity.toManga(tags: Set<MangaTag>) = Manga(
 	coverUrl = this.coverUrl,
 	largeCoverUrl = this.largeCoverUrl,
 	author = this.author,
-	source = MangaSource.valueOf(this.source),
-	tags = tags
+	source = MangaSource(this.source) ?: MangaSource.DUMMY,
+	tags = tags,
 )
 
 fun MangaWithTags.toManga() = manga.toManga(tags.toMangaTags())
@@ -54,14 +55,18 @@ fun MangaTag.toEntity() = TagEntity(
 	title = title,
 	key = key,
 	source = source.name,
-	id = "${key}_${source.name}".longHashCode()
+	id = "${key}_${source.name}".longHashCode(),
 )
 
 fun Collection<MangaTag>.toEntities() = map(MangaTag::toEntity)
 
 // Other
 
-@Suppress("FunctionName")
 fun SortOrder(name: String, fallback: SortOrder): SortOrder = runCatching {
 	SortOrder.valueOf(name)
-}.getOrDefault(fallback)
+}.getOrDefault(fallback)
+
+@Suppress("FunctionName")
+fun MangaState(name: String): MangaState? = runCatching {
+	MangaState.valueOf(name)
+}.getOrNull()

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

@@ -12,12 +12,15 @@ import androidx.room.PrimaryKey
 			entity = MangaEntity::class,
 			parentColumns = ["manga_id"],
 			childColumns = ["manga_id"],
-			onDelete = ForeignKey.CASCADE
-		)
-	]
+			onDelete = ForeignKey.CASCADE,
+		),
+	],
 )
-class MangaPrefsEntity(
+data class MangaPrefsEntity(
 	@PrimaryKey(autoGenerate = false)
-	@ColumnInfo(name = "manga_id") val mangaId: Long,
-	@ColumnInfo(name = "mode") val mode: Int
-)
+	@ColumnInfo(name = "manga_id")
+	val mangaId: Long,
+	@ColumnInfo(name = "mode") val mode: Int,
+	@ColumnInfo(name = "cf_brightness") val cfBrightness: Float,
+	@ColumnInfo(name = "cf_contrast") val cfContrast: Float,
+)

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

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration14To15 : Migration(14, 15) {
+
+	override fun migrate(database: SupportSQLiteDatabase) {
+		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_brightness` REAL NOT NULL DEFAULT 0")
+		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_contrast` REAL NOT NULL DEFAULT 0")
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/github/AppUpdateRepository.kt

@@ -11,8 +11,10 @@ import java.security.cert.CertificateFactory
 import java.security.cert.X509Certificate
 import javax.inject.Inject
 import javax.inject.Singleton
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import org.koitharu.kotatsu.BuildConfig
@@ -53,11 +55,11 @@ class AppUpdateRepository @Inject constructor(
 		}
 	}
 
-	suspend fun fetchUpdate(): AppVersion? {
+	suspend fun fetchUpdate(): AppVersion? = withContext(Dispatchers.Default) {
 		if (!isUpdateSupported()) {
-			return null
+			return@withContext null
 		}
-		return runCatching {
+		runCatching {
 			val currentVersion = VersionId(BuildConfig.VERSION_NAME)
 			val available = getAvailableVersions().asArrayList()
 			available.sortBy { it.versionId }

app/src/main/java/org/koitharu/kotatsu/core/os/ShortcutsUpdater.kt

@@ -2,10 +2,12 @@ package org.koitharu.kotatsu.core.os
 
 import android.app.ActivityManager
 import android.content.Context
+import android.content.SharedPreferences
 import android.content.pm.ShortcutManager
 import android.media.ThumbnailUtils
 import android.os.Build
 import android.util.Size
+import androidx.annotation.RequiresApi
 import androidx.annotation.VisibleForTesting
 import androidx.core.content.pm.ShortcutInfoCompat
 import androidx.core.content.pm.ShortcutManagerCompat
@@ -22,6 +24,7 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.domain.MangaDataRepository
 import org.koitharu.kotatsu.core.db.TABLE_HISTORY
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
@@ -35,13 +38,18 @@ class ShortcutsUpdater @Inject constructor(
 	private val coil: ImageLoader,
 	private val historyRepository: HistoryRepository,
 	private val mangaRepository: MangaDataRepository,
-) : InvalidationTracker.Observer(TABLE_HISTORY) {
+	private val settings: AppSettings,
+) : InvalidationTracker.Observer(TABLE_HISTORY), SharedPreferences.OnSharedPreferenceChangeListener {
 
 	private val iconSize by lazy { getIconSize(context) }
 	private var shortcutsUpdateJob: Job? = null
 
-	override fun onInvalidated(tables: MutableSet<String>) {
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
+	init {
+		settings.subscribe(this)
+	}
+
+	override fun onInvalidated(tables: Set<String>) {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1 || !settings.isDynamicShortcutsEnabled) {
 			return
 		}
 		val prevJob = shortcutsUpdateJob
@@ -51,6 +59,16 @@ class ShortcutsUpdater @Inject constructor(
 		}
 	}
 
+	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 && key == AppSettings.KEY_SHORTCUTS) {
+			if (settings.isDynamicShortcutsEnabled) {
+				onInvalidated(emptySet())
+			} else {
+				clearShortcuts()
+			}
+		}
+	}
+
 	suspend fun requestPinShortcut(manga: Manga): Boolean {
 		return ShortcutManagerCompat.requestPinShortcut(
 			context,
@@ -64,6 +82,15 @@ class ShortcutsUpdater @Inject constructor(
 		return shortcutsUpdateJob?.join() != null
 	}
 
+	fun isDynamicShortcutsAvailable(): Boolean {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
+			return false
+		}
+		val manager = context.getSystemService(Context.SHORTCUT_SERVICE) as ShortcutManager
+		return manager.maxShortcutCountPerActivity > 0
+	}
+
+	@RequiresApi(Build.VERSION_CODES.N_MR1)
 	private suspend fun updateShortcutsImpl() = runCatching {
 		val manager = context.getSystemService(Context.SHORTCUT_SERVICE) as ShortcutManager
 		val shortcuts = historyRepository.getList(0, manager.maxShortcutCountPerActivity)
@@ -74,6 +101,15 @@ class ShortcutsUpdater @Inject constructor(
 		it.printStackTraceDebug()
 	}
 
+	@RequiresApi(Build.VERSION_CODES.N_MR1)
+	private fun clearShortcuts() {
+		val manager = context.getSystemService(Context.SHORTCUT_SERVICE) as ShortcutManager
+		try {
+			manager.removeAllDynamicShortcuts()
+		} catch (_: IllegalStateException) {
+		}
+	}
+
 	private suspend fun buildShortcutInfo(manga: Manga): ShortcutInfoCompat.Builder {
 		val icon = runCatching {
 			val bmp = coil.execute(

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

@@ -11,6 +11,12 @@ import androidx.core.content.edit
 import androidx.preference.PreferenceManager
 import com.google.android.material.color.DynamicColors
 import dagger.hilt.android.qualifiers.ApplicationContext
+import java.io.File
+import java.text.DateFormat
+import java.text.SimpleDateFormat
+import java.util.*
+import javax.inject.Inject
+import javax.inject.Singleton
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.model.ZoomMode
 import org.koitharu.kotatsu.core.network.DoHProvider
@@ -19,12 +25,6 @@ import org.koitharu.kotatsu.utils.ext.getEnumValue
 import org.koitharu.kotatsu.utils.ext.observe
 import org.koitharu.kotatsu.utils.ext.putEnumValue
 import org.koitharu.kotatsu.utils.ext.toUriOrNull
-import java.io.File
-import java.text.DateFormat
-import java.text.SimpleDateFormat
-import java.util.*
-import javax.inject.Inject
-import javax.inject.Singleton
 
 @Singleton
 class AppSettings @Inject constructor(@ApplicationContext context: Context) {
@@ -65,6 +65,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val readerPageSwitch: Set<String>
 		get() = prefs.getStringSet(KEY_READER_SWITCHERS, null) ?: setOf(PAGE_SWITCH_TAPS)
 
+	val isReaderTapsAdaptive: Boolean
+		get() = !prefs.getBoolean(KEY_READER_TAPS_LTR, false)
+
 	var isTrafficWarningEnabled: Boolean
 		get() = prefs.getBoolean(KEY_TRAFFIC_WARNING, true)
 		set(value) = prefs.edit { putBoolean(KEY_TRAFFIC_WARNING, value) }
@@ -73,13 +76,6 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_ALL_FAVOURITES_VISIBLE, true)
 		set(value) = prefs.edit { putBoolean(KEY_ALL_FAVOURITES_VISIBLE, value) }
 
-	val isUpdateCheckingEnabled: Boolean
-		get() = prefs.getBoolean(KEY_APP_UPDATE_AUTO, true)
-
-	var lastUpdateCheckTimestamp: Long
-		get() = prefs.getLong(KEY_APP_UPDATE, 0L)
-		set(value) = prefs.edit { putLong(KEY_APP_UPDATE, value) }
-
 	val isTrackerEnabled: Boolean
 		get() = prefs.getBoolean(KEY_TRACKER_ENABLED, true)
 
@@ -141,6 +137,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isExitConfirmationEnabled: Boolean
 		get() = prefs.getBoolean(KEY_EXIT_CONFIRM, false)
 
+	val isDynamicShortcutsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_SHORTCUTS, true)
+
 	var sourcesOrder: List<String>
 		get() = prefs.getString(KEY_SOURCES_ORDER, null)
 			?.split('|')
@@ -324,10 +323,11 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_INCOGNITO_MODE = "incognito"
 		const val KEY_SYNC = "sync"
 		const val KEY_READER_BAR = "reader_bar"
+		const val KEY_SHORTCUTS = "dynamic_shortcuts"
+		const val KEY_READER_TAPS_LTR = "reader_taps_ltr"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"
-		const val KEY_APP_UPDATE_AUTO = "app_update_auto"
 		const val KEY_APP_TRANSLATION = "about_app_translation"
 
 		private const val NETWORK_NEVER = 0

app/src/main/java/org/koitharu/kotatsu/core/ui/MangaErrorDialog.kt

@@ -0,0 +1,72 @@
+package org.koitharu.kotatsu.core.ui
+
+import android.os.Bundle
+import android.text.method.LinkMovementMethod
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.text.HtmlCompat
+import androidx.core.text.htmlEncode
+import androidx.core.text.parseAsHtml
+import androidx.fragment.app.FragmentManager
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.AlertDialogFragment
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
+import org.koitharu.kotatsu.databinding.DialogMangaErrorBinding
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.utils.ext.report
+import org.koitharu.kotatsu.utils.ext.requireParcelable
+import org.koitharu.kotatsu.utils.ext.requireSerializable
+import org.koitharu.kotatsu.utils.ext.withArgs
+
+class MangaErrorDialog : AlertDialogFragment<DialogMangaErrorBinding>() {
+
+	private lateinit var error: Throwable
+	private lateinit var manga: Manga
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		val args = requireArguments()
+		manga = args.requireParcelable<ParcelableManga>(ARG_MANGA).manga
+		error = args.requireSerializable(ARG_ERROR)
+	}
+
+	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): DialogMangaErrorBinding {
+		return DialogMangaErrorBinding.inflate(inflater, container, false)
+	}
+
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		with(binding.textViewMessage) {
+			movementMethod = LinkMovementMethod.getInstance()
+			text = context.getString(
+				R.string.manga_error_description_pattern,
+				this@MangaErrorDialog.error.message?.htmlEncode().orEmpty(),
+				manga.publicUrl,
+			).parseAsHtml(HtmlCompat.FROM_HTML_MODE_LEGACY)
+		}
+	}
+
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setCancelable(true)
+			.setNegativeButton(android.R.string.cancel, null)
+			.setPositiveButton(R.string.report) { _, _ ->
+				dismiss()
+				error.report(TAG)
+			}.setTitle(R.string.error_occurred)
+	}
+
+	companion object {
+
+		private const val TAG = "MangaErrorDialog"
+		private const val ARG_ERROR = "error"
+		private const val ARG_MANGA = "manga"
+
+		fun show(fm: FragmentManager, manga: Manga, error: Throwable) = MangaErrorDialog().withArgs(2) {
+			putParcelable(ARG_MANGA, ParcelableManga(manga, false))
+			putSerializable(ARG_ERROR, error)
+		}.show(fm, TAG)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/details/ui/ChaptersMenuProvider.kt

@@ -35,13 +35,13 @@ class ChaptersMenuProvider(
 		else -> false
 	}
 
-	override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
+	override fun onMenuItemActionExpand(item: MenuItem): Boolean {
 		bottomSheetMediator?.lock()
 		return true
 	}
 
-	override fun onMenuItemActionCollapse(item: MenuItem?): Boolean {
-		(item?.actionView as? SearchView)?.setQuery("", false)
+	override fun onMenuItemActionCollapse(item: MenuItem): Boolean {
+		(item.actionView as? SearchView)?.setQuery("", false)
 		viewModel.performChapterSearch(null)
 		bottomSheetMediator?.unlock()
 		return true

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

@@ -5,8 +5,13 @@ import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
 import android.os.Bundle
+import android.transition.Slide
+import android.transition.TransitionManager
+import android.view.Gravity
 import android.view.Menu
 import android.view.View
+import android.view.ViewGroup
+import android.view.animation.AccelerateDecelerateInterpolator
 import android.widget.Toast
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.graphics.Insets
@@ -16,6 +21,7 @@ import androidx.core.view.updatePadding
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.badge.BadgeDrawable
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.google.android.material.snackbar.BaseTransientBottomBar
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
@@ -27,6 +33,7 @@ import org.koitharu.kotatsu.base.ui.widgets.BottomSheetHeaderBar
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.core.os.ShortcutsUpdater
+import org.koitharu.kotatsu.core.ui.MangaErrorDialog
 import org.koitharu.kotatsu.databinding.ActivityDetailsBinding
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
 import org.koitharu.kotatsu.download.ui.service.DownloadService
@@ -93,6 +100,7 @@ class DetailsActivity :
 		viewModel.onMangaRemoved.observe(this, ::onMangaRemoved)
 		viewModel.onError.observe(this, ::onError)
 		viewModel.onShowToast.observe(this) {
+			makeSnackbar(getString(it), Snackbar.LENGTH_SHORT).show()
 		}
 		viewModel.historyInfo.observe(this, ::onHistoryChanged)
 		viewModel.selectedBranchName.observe(this) {
@@ -158,8 +166,11 @@ class DetailsActivity :
 
 	private fun onMangaUpdated(manga: Manga) {
 		title = manga.title
-		binding.buttonRead.isEnabled = !manga.chapters.isNullOrEmpty()
+		val hasChapters = !manga.chapters.isNullOrEmpty()
+		binding.buttonRead.isEnabled = hasChapters
 		invalidateOptionsMenu()
+		showBottomSheet(manga.chapters != null)
+		binding.groupHeader?.isVisible = hasChapters
 	}
 
 	private fun onMangaRemoved(manga: Manga) {
@@ -172,17 +183,17 @@ class DetailsActivity :
 	}
 
 	private fun onError(e: Throwable) {
+		val manga = viewModel.manga.value
 		when {
 			ExceptionResolver.canResolve(e) -> {
 				resolveError(e)
 			}
-			viewModel.manga.value == null -> {
+			manga == null -> {
 				Toast.makeText(this, e.getDisplayMessage(resources), Toast.LENGTH_LONG).show()
 				finishAfterTransition()
 			}
 			else -> {
-				val snackbar = Snackbar.make(
-					binding.containerDetails,
+				val snackbar = makeSnackbar(
 					e.getDisplayMessage(resources),
 					if (viewModel.manga.value?.chapters == null) {
 						Snackbar.LENGTH_INDEFINITE
@@ -190,10 +201,9 @@ class DetailsActivity :
 						Snackbar.LENGTH_LONG
 					},
 				)
-				snackbar.anchorView = binding.headerChapters
 				if (e.isReportable()) {
-					snackbar.setAction(R.string.report) {
-						e.report("DetailsActivity::onError")
+					snackbar.setAction(R.string.details) {
+						MangaErrorDialog.show(supportFragmentManager, manga, e)
 					}
 				}
 				snackbar.show()
@@ -238,8 +248,7 @@ class DetailsActivity :
 	fun showChapterMissingDialog(chapterId: Long) {
 		val remoteManga = viewModel.getRemoteManga()
 		if (remoteManga == null) {
-			val snackbar = Snackbar.make(binding.containerDetails, R.string.chapter_is_missing, Snackbar.LENGTH_SHORT)
-			snackbar.anchorView = binding.headerChapters
+			val snackbar = makeSnackbar(getString(R.string.chapter_is_missing), Snackbar.LENGTH_SHORT)
 			snackbar.show()
 			return
 		}
@@ -291,6 +300,24 @@ class DetailsActivity :
 
 	private fun isTabletLayout() = binding.layoutBottom == null
 
+	private fun showBottomSheet(isVisible: Boolean) {
+		val view = binding.layoutBottom ?: return
+		if (view.isVisible == isVisible) return
+		val transition = Slide(Gravity.BOTTOM)
+		transition.addTarget(view)
+		transition.interpolator = AccelerateDecelerateInterpolator()
+		TransitionManager.beginDelayedTransition(binding.root as ViewGroup, transition)
+		view.isVisible = isVisible
+	}
+
+	private fun makeSnackbar(text: CharSequence, @BaseTransientBottomBar.Duration duration: Int): Snackbar {
+		val sb = Snackbar.make(binding.containerDetails, text, duration)
+		if (binding.layoutBottom?.isVisible == true) {
+			sb.anchorView = binding.headerChapters
+		}
+		return sb
+	}
+
 	companion object {
 
 		fun newIntent(context: Context, manga: Manga): Intent {

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

@@ -70,6 +70,7 @@ class DetailsFragment :
 		super.onViewCreated(view, savedInstanceState)
 		binding.textViewAuthor.setOnClickListener(this)
 		binding.imageViewCover.setOnClickListener(this)
+		binding.infoLayout.textViewSource.setOnClickListener(this)
 		binding.textViewDescription.movementMethod = LinkMovementMethod.getInstance()
 		binding.chipsTags.onChipClickListener = this
 		viewModel.manga.observe(viewLifecycleOwner, ::onMangaUpdated)
@@ -228,6 +229,14 @@ class DetailsFragment :
 					),
 				)
 			}
+			R.id.textView_source -> {
+				startActivity(
+					MangaListActivity.newIntent(
+						context = v.context,
+						source = manga.source,
+					),
+				)
+			}
 			R.id.imageView_cover -> {
 				startActivity(
 					ImageActivity.newIntent(v.context, manga.largeCoverUrl.ifNullOrEmpty { manga.coverUrl }),

app/src/main/java/org/koitharu/kotatsu/details/ui/model/ListModelConversionExt.kt

@@ -28,4 +28,4 @@ fun MangaChapter.toListItem(
 		uploadDateMs = uploadDate,
 		dateFormat = dateFormat,
 	)
-}
+}

app/src/main/java/org/koitharu/kotatsu/favourites/ui/categories/edit/FavouritesCategoryEditActivity.kt

@@ -14,6 +14,7 @@ import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
+import com.google.android.material.R as materialR
 import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
 import org.koitharu.kotatsu.R
@@ -25,6 +26,7 @@ import org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.utils.ext.assistedViewModels
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+import org.koitharu.kotatsu.utils.ext.getSerializableCompat
 
 @AndroidEntryPoint
 class FavouritesCategoryEditActivity :
@@ -46,7 +48,7 @@ class FavouritesCategoryEditActivity :
 		setContentView(ActivityCategoryEditBinding.inflate(layoutInflater))
 		supportActionBar?.run {
 			setDisplayHomeAsUpEnabled(true)
-			setHomeAsUpIndicator(com.google.android.material.R.drawable.abc_ic_clear_material)
+			setHomeAsUpIndicator(materialR.drawable.abc_ic_clear_material)
 		}
 		initSortSpinner()
 		binding.buttonDone.setOnClickListener(this)
@@ -69,8 +71,8 @@ class FavouritesCategoryEditActivity :
 
 	override fun onRestoreInstanceState(savedInstanceState: Bundle) {
 		super.onRestoreInstanceState(savedInstanceState)
-		val order = savedInstanceState.getSerializable(KEY_SORT_ORDER)
-		if (order != null && order is SortOrder) {
+		val order = savedInstanceState.getSerializableCompat<SortOrder>(KEY_SORT_ORDER)
+		if (order != null) {
 			selectedSortOrder = order
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/favourites/ui/list/FavouritesListViewModel.kt

@@ -26,6 +26,7 @@ import org.koitharu.kotatsu.list.ui.model.toErrorState
 import org.koitharu.kotatsu.list.ui.model.toUi
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
+import org.koitharu.kotatsu.utils.asFlowLiveData
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 
 class FavouritesListViewModel @AssistedInject constructor(
@@ -53,7 +54,7 @@ class FavouritesListViewModel @AssistedInject constructor(
 		} else {
 			repository.observeAll(categoryId)
 		},
-		createListModeFlow()
+		createListModeFlow(),
 	) { list, mode ->
 		when {
 			list.isEmpty() -> listOf(
@@ -66,13 +67,13 @@ class FavouritesListViewModel @AssistedInject constructor(
 						R.string.favourites_category_empty
 					},
 					actionStringRes = 0,
-				)
+				),
 			)
 			else -> list.toUi(mode, this)
 		}
 	}.catch {
 		emit(listOf(it.toErrorState(canRetry = false)))
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
+	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
 
 	init {
 		if (categoryId != NO_ID) {

app/src/main/java/org/koitharu/kotatsu/history/ui/HistoryListViewModel.kt

@@ -23,7 +23,7 @@ import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.*
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
-import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.asFlowLiveData
 import org.koitharu.kotatsu.utils.ext.daysDiff
 import org.koitharu.kotatsu.utils.ext.onFirst
 
@@ -60,8 +60,8 @@ class HistoryListViewModel @Inject constructor(
 	}.onFirst {
 		loadingCounter.decrement()
 	}.catch {
-		it.toErrorState(canRetry = false)
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
+		emit(listOf(it.toErrorState(canRetry = false)))
+	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
 
 	override fun onRefresh() = Unit
 

app/src/main/java/org/koitharu/kotatsu/history/ui/util/ReadingProgressView.kt

@@ -56,17 +56,17 @@ class ReadingProgressView @JvmOverloads constructor(
 		getProgressDrawable().progress = p
 	}
 
-	override fun onAnimationStart(animation: Animator?) = Unit
+	override fun onAnimationStart(animation: Animator) = Unit
 
-	override fun onAnimationEnd(animation: Animator?) {
+	override fun onAnimationEnd(animation: Animator) {
 		if (percentAnimator === animation) {
 			percentAnimator = null
 		}
 	}
 
-	override fun onAnimationCancel(animation: Animator?) = Unit
+	override fun onAnimationCancel(animation: Animator) = Unit
 
-	override fun onAnimationRepeat(animation: Animator?) = Unit
+	override fun onAnimationRepeat(animation: Animator) = Unit
 
 	fun setPercent(value: Float, animate: Boolean) {
 		val currentDrawable = peekProgressDrawable()

app/src/main/java/org/koitharu/kotatsu/library/ui/LibraryViewModel.kt

@@ -27,7 +27,7 @@ import org.koitharu.kotatsu.list.ui.model.*
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.SingleLiveEvent
-import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.asFlowLiveData
 import org.koitharu.kotatsu.utils.ext.daysDiff
 
 private const val HISTORY_MAX_SEGMENTS = 2
@@ -49,8 +49,8 @@ class LibraryViewModel @Inject constructor(
 	) { history, favourites ->
 		mapList(history, favourites)
 	}.catch { e ->
-		e.toErrorState(canRetry = false)
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
+		emit(listOf(e.toErrorState(canRetry = false)))
+	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
 
 	override suspend fun getCounter(mangaId: Long): Int {
 		return trackingRepository.getNewChaptersCount(mangaId)

app/src/main/java/org/koitharu/kotatsu/list/ui/ItemSizeResolver.kt

@@ -6,6 +6,7 @@ import android.view.View
 import android.widget.TextView
 import androidx.annotation.StyleRes
 import androidx.core.view.updateLayoutParams
+import androidx.core.widget.TextViewCompat
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
 import kotlin.math.roundToInt
@@ -46,12 +47,12 @@ class ItemSizeResolver(resources: Resources, private val settings: AppSettings)
 			}
 		}
 
-		override fun onViewAttachedToWindow(v: View?) {
+		override fun onViewAttachedToWindow(v: View) {
 			settings.subscribe(this)
 			update()
 		}
 
-		override fun onViewDetachedFromWindow(v: View?) {
+		override fun onViewDetachedFromWindow(v: View) {
 			settings.unsubscribe(this)
 		}
 
@@ -77,7 +78,7 @@ class ItemSizeResolver(resources: Resources, private val settings: AppSettings)
 			}
 			if (textAppearanceResId != prevTextAppearance) {
 				prevTextAppearance = textAppearanceResId
-				setTextAppearance(textAppearanceResId)
+				TextViewCompat.setTextAppearance(this, textAppearanceResId)
 				requestLayout()
 			}
 		}

app/src/main/java/org/koitharu/kotatsu/list/ui/ListModeSelectDialog.kt

@@ -9,6 +9,7 @@ import androidx.fragment.app.FragmentManager
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.slider.Slider
 import dagger.hilt.android.AndroidEntryPoint
+import javax.inject.Inject
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.AlertDialogFragment
 import org.koitharu.kotatsu.base.ui.widgets.CheckableButtonGroup
@@ -17,7 +18,6 @@ import org.koitharu.kotatsu.core.prefs.ListMode
 import org.koitharu.kotatsu.databinding.DialogListModeBinding
 import org.koitharu.kotatsu.utils.ext.setValueRounded
 import org.koitharu.kotatsu.utils.progress.IntPercentLabelFormatter
-import javax.inject.Inject
 
 @AndroidEntryPoint
 class ListModeSelectDialog :
@@ -33,8 +33,9 @@ class ListModeSelectDialog :
 		container: ViewGroup?,
 	) = DialogListModeBinding.inflate(inflater, container, false)
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder.setTitle(R.string.list_mode)
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setTitle(R.string.list_mode)
 			.setPositiveButton(R.string.done, null)
 			.setCancelable(true)
 	}

app/src/main/java/org/koitharu/kotatsu/list/ui/filter/FilterAdapter.kt

@@ -1,9 +1,11 @@
 package org.koitharu.kotatsu.list.ui.filter
 
+import androidx.recyclerview.widget.AsyncListDiffer.ListListener
 import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
 
 class FilterAdapter(
 	listener: OnFilterChangedListener,
+	listListener: ListListener<FilterItem>,
 ) : AsyncListDifferDelegationAdapter<FilterItem>(
 	FilterDiffCallback(),
 	filterSortDelegate(listener),
@@ -11,4 +13,9 @@ class FilterAdapter(
 	filterHeaderDelegate(),
 	filterLoadingDelegate(),
 	filterErrorDelegate(),
-)
+) {
+
+	init {
+		differ.addListListener(listListener)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/list/ui/filter/FilterBottomSheet.kt

@@ -6,18 +6,21 @@ import android.os.Bundle
 import android.view.*
 import androidx.appcompat.widget.SearchView
 import androidx.fragment.app.FragmentManager
-import dagger.hilt.android.AndroidEntryPoint
+import androidx.recyclerview.widget.AsyncListDiffer
+import androidx.recyclerview.widget.LinearLayoutManager
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseBottomSheet
 import org.koitharu.kotatsu.databinding.SheetFilterBinding
 import org.koitharu.kotatsu.remotelist.ui.RemoteListViewModel
+import org.koitharu.kotatsu.utils.ext.isScrolledToTop
 import org.koitharu.kotatsu.utils.ext.parentFragmentViewModels
 
 class FilterBottomSheet :
 	BaseBottomSheet<SheetFilterBinding>(),
 	MenuItem.OnActionExpandListener,
 	SearchView.OnQueryTextListener,
-	DialogInterface.OnKeyListener {
+	DialogInterface.OnKeyListener,
+	AsyncListDiffer.ListListener<FilterItem> {
 
 	private val viewModel by parentFragmentViewModels<RemoteListViewModel>()
 
@@ -33,13 +36,13 @@ class FilterBottomSheet :
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		val adapter = FilterAdapter(viewModel)
+		val adapter = FilterAdapter(viewModel, this)
 		binding.recyclerView.adapter = adapter
 		viewModel.filterItems.observe(viewLifecycleOwner, adapter::setItems)
 		initOptionsMenu()
 	}
 
-	override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
+	override fun onMenuItemActionExpand(item: MenuItem): Boolean {
 		setExpanded(isExpanded = true, isLocked = true)
 		return true
 	}
@@ -71,6 +74,12 @@ class FilterBottomSheet :
 		return false
 	}
 
+	override fun onCurrentListChanged(previousList: MutableList<FilterItem>, currentList: MutableList<FilterItem>) {
+		if (currentList.size > previousList.size && view != null) {
+			(binding.recyclerView.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(0, 0)
+		}
+	}
+
 	private fun initOptionsMenu() {
 		binding.headerBar.toolbar.inflateMenu(R.menu.opt_filter)
 		val searchMenuItem = binding.headerBar.toolbar.menu.findItem(R.id.action_search)

app/src/main/java/org/koitharu/kotatsu/local/domain/LocalMangaRepository.kt

@@ -63,6 +63,10 @@ class LocalMangaRepository @Inject constructor(private val storageManager: Local
 				x.tags.containsAll(tags)
 			}
 		}
+		when (sortOrder) {
+			SortOrder.ALPHABETICAL -> list.sortBy { it.title }
+			SortOrder.RATING -> list.sortBy { it.rating }
+		}
 		return list
 	}
 
@@ -250,7 +254,7 @@ class LocalMangaRepository @Inject constructor(private val storageManager: Local
 		}
 	}
 
-	override val sortOrders = setOf(SortOrder.ALPHABETICAL)
+	override val sortOrders = setOf(SortOrder.ALPHABETICAL, SortOrder.RATING)
 
 	override suspend fun getPageUrl(page: MangaPage) = page.url
 

app/src/main/java/org/koitharu/kotatsu/local/ui/ImportDialogFragment.kt

@@ -27,8 +27,9 @@ class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.On
 		return DialogImportBinding.inflate(inflater, container, false)
 	}
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder.setTitle(R.string._import)
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setTitle(R.string._import)
 			.setNegativeButton(android.R.string.cancel, null)
 			.setCancelable(true)
 	}

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

@@ -1,5 +1,8 @@
 package org.koitharu.kotatsu.main.ui
 
+import android.Manifest
+import android.content.pm.PackageManager.PERMISSION_GRANTED
+import android.os.Build
 import android.os.Bundle
 import android.util.SparseIntArray
 import android.view.MenuItem
@@ -7,6 +10,7 @@ import android.view.View
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.viewModels
 import androidx.appcompat.view.ActionMode
+import androidx.core.app.ActivityCompat
 import androidx.core.app.ActivityOptionsCompat
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
@@ -24,7 +28,6 @@ import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import kotlinx.coroutines.yield
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseActivity
 import org.koitharu.kotatsu.base.ui.widgets.SlidingBottomNavigationView
@@ -291,12 +294,11 @@ class MainActivity :
 				TrackWorker.setup(applicationContext)
 				SuggestionsWorker.setup(applicationContext)
 			}
+			requestNotificationsPermission()
 			when {
 				!settings.isSourcesSelected -> OnboardDialogFragment.showWelcome(supportFragmentManager)
 				settings.newSources.isNotEmpty() -> NewSourcesDialogFragment.show(supportFragmentManager)
 			}
-			yield()
-			// TODO get<SyncController>().requestFullSyncAndGc(get())
 		}
 	}
 
@@ -347,6 +349,15 @@ class MainActivity :
 		showNav(!isOpened)
 	}
 
+	private fun requestNotificationsPermission() {
+		if (
+			Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU &&
+			ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) != PERMISSION_GRANTED
+		) {
+			ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.POST_NOTIFICATIONS), 1)
+		}
+	}
+
 	private inner class VoiceInputCallback : ActivityResultCallback<String?> {
 
 		override fun onActivityResult(result: String?) {

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

@@ -4,33 +4,36 @@ import android.util.SparseIntArray
 import androidx.core.util.set
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.combine
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.core.db.MangaDatabase
 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.history.domain.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.sync.domain.SyncController
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.SingleLiveEvent
+import org.koitharu.kotatsu.utils.asFlowLiveData
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
-import javax.inject.Inject
 
 @HiltViewModel
 class MainViewModel @Inject constructor(
 	private val historyRepository: HistoryRepository,
-	private val settings: AppSettings,
 	private val appUpdateRepository: AppUpdateRepository,
 	private val trackingRepository: TrackingRepository,
+	syncController: SyncController,
+	database: MangaDatabase,
 ) : BaseViewModel() {
 
 	val onOpenReader = SingleLiveEvent<Manga>()
 
 	val isResumeEnabled = historyRepository
 		.observeHasItems()
-		.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, false)
+		.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, false)
 
 	val counters = combine(
 		appUpdateRepository.observeAvailableUpdate(),
@@ -43,9 +46,12 @@ class MainViewModel @Inject constructor(
 	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, SparseIntArray(0))
 
 	init {
-		launchJob(Dispatchers.Default) {
+		launchJob {
 			appUpdateRepository.fetchUpdate()
 		}
+		launchJob {
+			syncController.requestFullSyncAndGc(database)
+		}
 	}
 
 	fun openLastReader() {

app/src/main/java/org/koitharu/kotatsu/main/ui/protect/AppProtectHelper.kt

@@ -6,6 +6,7 @@ import android.content.Intent
 import android.os.Bundle
 import javax.inject.Inject
 import javax.inject.Singleton
+import org.acra.dialog.CrashReportDialog
 import org.koitharu.kotatsu.core.prefs.AppSettings
 
 @Singleton
@@ -14,7 +15,7 @@ class AppProtectHelper @Inject constructor(private val settings: AppSettings) :
 	private var isUnlocked = settings.appPassword.isNullOrEmpty()
 
 	override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
-		if (activity !is ProtectActivity && !isUnlocked) {
+		if (!isUnlocked && activity !is ProtectActivity && activity !is CrashReportDialog) {
 			val sourceIntent = Intent(activity, activity.javaClass)
 			activity.intent?.let {
 				sourceIntent.putExtras(it)

app/src/main/java/org/koitharu/kotatsu/main/ui/protect/ProtectActivity.kt

@@ -22,6 +22,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseActivity
 import org.koitharu.kotatsu.databinding.ActivityProtectBinding
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+import org.koitharu.kotatsu.utils.ext.getParcelableExtraCompat
 
 @AndroidEntryPoint
 class ProtectActivity :
@@ -44,7 +45,7 @@ class ProtectActivity :
 		viewModel.onError.observe(this, this::onError)
 		viewModel.isLoading.observe(this, this::onLoadingStateChanged)
 		viewModel.onUnlockSuccess.observe(this) {
-			val intent = intent.getParcelableExtra<Intent>(EXTRA_INTENT)
+			val intent = intent.getParcelableExtraCompat<Intent>(EXTRA_INTENT)
 			startActivity(intent)
 			finishAfterTransition()
 		}

app/src/main/java/org/koitharu/kotatsu/reader/domain/ReaderColorFilter.kt

@@ -0,0 +1,52 @@
+package org.koitharu.kotatsu.reader.domain
+
+import android.graphics.ColorMatrix
+import android.graphics.ColorMatrixColorFilter
+
+class ReaderColorFilter(
+	val brightness: Float,
+	val contrast: Float,
+) {
+
+	val isEmpty: Boolean
+		get() = brightness == 0f && contrast == 0f
+
+	fun toColorFilter(): ColorMatrixColorFilter {
+		val cm = ColorMatrix()
+		val scale = brightness + 1f
+		cm.setScale(scale, scale, scale, 1f)
+		cm.setContrast(contrast)
+		return ColorMatrixColorFilter(cm)
+	}
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as ReaderColorFilter
+
+		if (brightness != other.brightness) return false
+		if (contrast != other.contrast) return false
+
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = brightness.hashCode()
+		result = 31 * result + contrast.hashCode()
+		return result
+	}
+
+	private fun ColorMatrix.setContrast(contrast: Float) {
+		val scale = contrast + 1f
+		val translate = (-.5f * scale + .5f) * 255f
+		val array = floatArrayOf(
+			scale, 0f, 0f, 0f, translate,
+			0f, scale, 0f, 0f, translate,
+			0f, 0f, scale, 0f, translate,
+			0f, 0f, 0f, 1f, 0f,
+		)
+		val matrix = ColorMatrix(array)
+		postConcat(matrix)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/ChaptersBottomSheet.kt

@@ -6,6 +6,8 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentManager
 import dagger.hilt.android.AndroidEntryPoint
+import javax.inject.Inject
+import kotlin.math.roundToInt
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseBottomSheet
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
@@ -17,9 +19,8 @@ import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.toListItem
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.utils.RecyclerViewScrollCallback
+import org.koitharu.kotatsu.utils.ext.getParcelableCompat
 import org.koitharu.kotatsu.utils.ext.withArgs
-import javax.inject.Inject
-import kotlin.math.roundToInt
 
 @AndroidEntryPoint
 class ChaptersBottomSheet : BaseBottomSheet<SheetChaptersBinding>(), OnListItemClickListener<ChapterListItem> {
@@ -33,7 +34,7 @@ class ChaptersBottomSheet : BaseBottomSheet<SheetChaptersBinding>(), OnListItemC
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		val chapters = arguments?.getParcelable<ParcelableMangaChapters>(ARG_CHAPTERS)?.chapters
+		val chapters = arguments?.getParcelableCompat<ParcelableMangaChapters>(ARG_CHAPTERS)?.chapters
 		if (chapters.isNullOrEmpty()) {
 			dismissAllowingStateLoss()
 			return

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderActivity.kt

@@ -40,6 +40,7 @@ import org.koitharu.kotatsu.reader.ui.thumbnails.OnPageSelectListener
 import org.koitharu.kotatsu.reader.ui.thumbnails.PagesThumbnailsSheet
 import org.koitharu.kotatsu.settings.SettingsActivity
 import org.koitharu.kotatsu.utils.GridTouchHelper
+import org.koitharu.kotatsu.utils.IdlingDetector
 import org.koitharu.kotatsu.utils.ShareHelper
 import org.koitharu.kotatsu.utils.ext.*
 
@@ -51,15 +52,18 @@ class ReaderActivity :
 	OnPageSelectListener,
 	ReaderConfigBottomSheet.Callback,
 	ReaderControlDelegate.OnInteractionListener,
-	OnApplyWindowInsetsListener {
+	OnApplyWindowInsetsListener,
+	IdlingDetector.Callback {
 
 	@Inject
 	lateinit var viewModelFactory: ReaderViewModel.Factory
 
+	private val idlingDetector = IdlingDetector(TimeUnit.SECONDS.toMillis(10), this)
+
 	val viewModel by assistedViewModels {
 		viewModelFactory.create(
 			intent = MangaIntent(intent),
-			initialState = intent?.getParcelableExtra(EXTRA_STATE),
+			initialState = intent?.getParcelableExtraCompat(EXTRA_STATE),
 			preselectedBranch = intent?.getStringExtra(EXTRA_BRANCH),
 		)
 	}
@@ -70,6 +74,9 @@ class ReaderActivity :
 			pageSwitchTimer.delaySec = value
 		}
 
+	override val readerMode: ReaderMode?
+		get() = readerManager.currentMode
+
 	private lateinit var pageSwitchTimer: PageSwitchTimer
 	private lateinit var touchHelper: GridTouchHelper
 	private lateinit var controlDelegate: ReaderControlDelegate
@@ -84,11 +91,12 @@ class ReaderActivity :
 		supportActionBar?.setDisplayHomeAsUpEnabled(true)
 		touchHelper = GridTouchHelper(this, this)
 		pageSwitchTimer = PageSwitchTimer(this, this)
-		controlDelegate = ReaderControlDelegate(lifecycleScope, settings, this)
+		controlDelegate = ReaderControlDelegate(settings, this, this)
 		binding.toolbarBottom.setOnMenuItemClickListener(::onOptionsItemSelected)
 		binding.slider.setLabelFormatter(PageLabelFormatter())
 		ReaderSliderListener(this, viewModel).attachToSlider(binding.slider)
 		insetsDelegate.interceptingWindowInsetsListener = this
+		idlingDetector.bindToLifecycle(this)
 
 		viewModel.onError.observe(this, this::onError)
 		viewModel.readerMode.observe(this, this::onInitReader)
@@ -111,6 +119,11 @@ class ReaderActivity :
 	override fun onUserInteraction() {
 		super.onUserInteraction()
 		pageSwitchTimer.onUserInteraction()
+		idlingDetector.onUserInteraction()
+	}
+
+	override fun onIdle() {
+		viewModel.saveCurrentState(readerManager.currentReader?.getCurrentState())
 	}
 
 	private fun onInitReader(mode: ReaderMode) {

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderConfigDialog.kt

@@ -15,14 +15,15 @@ import org.koitharu.kotatsu.databinding.DialogReaderConfigBinding
 import org.koitharu.kotatsu.utils.ext.withArgs
 
 @Deprecated("Not in use")
-class ReaderConfigDialog : AlertDialogFragment<DialogReaderConfigBinding>(),
+class ReaderConfigDialog :
+	AlertDialogFragment<DialogReaderConfigBinding>(),
 	CheckableButtonGroup.OnCheckedChangeListener {
 
 	private lateinit var mode: ReaderMode
 
 	override fun onInflateView(
 		inflater: LayoutInflater,
-		container: ViewGroup?
+		container: ViewGroup?,
 	) = DialogReaderConfigBinding.inflate(inflater, container, false)
 
 	override fun onCreate(savedInstanceState: Bundle?) {
@@ -32,8 +33,9 @@ class ReaderConfigDialog : AlertDialogFragment<DialogReaderConfigBinding>(),
 			?: ReaderMode.STANDARD
 	}
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder.setTitle(R.string.read_mode)
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setTitle(R.string.read_mode)
 			.setPositiveButton(R.string.done, null)
 			.setCancelable(true)
 	}
@@ -48,8 +50,10 @@ class ReaderConfigDialog : AlertDialogFragment<DialogReaderConfigBinding>(),
 	}
 
 	override fun onDismiss(dialog: DialogInterface) {
-		((parentFragment as? Callback)
-			?: (activity as? Callback))?.onReaderModeChanged(mode)
+		(
+			(parentFragment as? Callback)
+				?: (activity as? Callback)
+			)?.onReaderModeChanged(mode)
 		super.onDismiss(dialog)
 	}
 

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderControlDelegate.kt

@@ -1,33 +1,39 @@
 package org.koitharu.kotatsu.reader.ui
 
+import android.content.SharedPreferences
 import android.view.KeyEvent
 import android.view.SoundEffectConstants
 import android.view.View
-import androidx.lifecycle.LifecycleCoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.flowOn
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.prefs.observeAsFlow
+import org.koitharu.kotatsu.core.prefs.ReaderMode
 import org.koitharu.kotatsu.utils.GridTouchHelper
 
 class ReaderControlDelegate(
-	scope: LifecycleCoroutineScope,
-	settings: AppSettings,
+	private val settings: AppSettings,
 	private val listener: OnInteractionListener,
-) {
+	owner: LifecycleOwner,
+) : DefaultLifecycleObserver, SharedPreferences.OnSharedPreferenceChangeListener {
 
 	private var isTapSwitchEnabled: Boolean = true
 	private var isVolumeKeysSwitchEnabled: Boolean = false
+	private var isReaderTapsAdaptive: Boolean = true
 
 	init {
-		settings.observeAsFlow(AppSettings.KEY_READER_SWITCHERS) { readerPageSwitch }
-			.flowOn(Dispatchers.Default)
-			.onEach {
-				isTapSwitchEnabled = AppSettings.PAGE_SWITCH_TAPS in it
-				isVolumeKeysSwitchEnabled = AppSettings.PAGE_SWITCH_VOLUME_KEYS in it
-			}.launchIn(scope)
+		owner.lifecycle.addObserver(this)
+		settings.subscribe(this)
+		updateSettings()
+	}
+
+	override fun onDestroy(owner: LifecycleOwner) {
+		settings.unsubscribe(this)
+		owner.lifecycle.removeObserver(this)
+		super.onDestroy(owner)
+	}
+
+	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+		updateSettings()
 	}
 
 	fun onGridTouch(area: Int, view: View) {
@@ -41,7 +47,7 @@ class ReaderControlDelegate(
 				view.playSoundEffect(SoundEffectConstants.NAVIGATION_UP)
 			}
 			GridTouchHelper.AREA_LEFT -> if (isTapSwitchEnabled) {
-				listener.switchPageBy(-1)
+				listener.switchPageBy(if (isReaderTapsReversed()) 1 else -1)
 				view.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT)
 			}
 			GridTouchHelper.AREA_BOTTOM -> if (isTapSwitchEnabled) {
@@ -49,7 +55,7 @@ class ReaderControlDelegate(
 				view.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN)
 			}
 			GridTouchHelper.AREA_RIGHT -> if (isTapSwitchEnabled) {
-				listener.switchPageBy(1)
+				listener.switchPageBy(if (isReaderTapsReversed()) -1 else 1)
 				view.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT)
 			}
 		}
@@ -72,19 +78,25 @@ class ReaderControlDelegate(
 		KeyEvent.KEYCODE_PAGE_DOWN,
 		KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN,
 		KeyEvent.KEYCODE_DPAD_DOWN,
-		KeyEvent.KEYCODE_DPAD_RIGHT,
 		-> {
 			listener.switchPageBy(1)
 			true
 		}
+		KeyEvent.KEYCODE_DPAD_RIGHT -> {
+			listener.switchPageBy(if (isReaderTapsReversed()) -1 else 1)
+			true
+		}
 		KeyEvent.KEYCODE_PAGE_UP,
 		KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP,
 		KeyEvent.KEYCODE_DPAD_UP,
-		KeyEvent.KEYCODE_DPAD_LEFT,
 		-> {
 			listener.switchPageBy(-1)
 			true
 		}
+		KeyEvent.KEYCODE_DPAD_LEFT -> {
+			listener.switchPageBy(if (isReaderTapsReversed()) 1 else -1)
+			true
+		}
 		KeyEvent.KEYCODE_DPAD_CENTER -> {
 			listener.toggleUiVisibility()
 			true
@@ -99,8 +111,21 @@ class ReaderControlDelegate(
 			)
 	}
 
+	private fun updateSettings() {
+		val switch = settings.readerPageSwitch
+		isTapSwitchEnabled = AppSettings.PAGE_SWITCH_TAPS in switch
+		isVolumeKeysSwitchEnabled = AppSettings.PAGE_SWITCH_VOLUME_KEYS in switch
+		isReaderTapsAdaptive = settings.isReaderTapsAdaptive
+	}
+
+	private fun isReaderTapsReversed(): Boolean {
+		return isReaderTapsAdaptive && listener.readerMode == ReaderMode.REVERSED
+	}
+
 	interface OnInteractionListener {
 
+		val readerMode: ReaderMode?
+
 		fun switchPageBy(delta: Int)
 
 		fun toggleUiVisibility()

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderInfoBarView.kt

@@ -8,17 +8,22 @@ import android.graphics.Canvas
 import android.graphics.Color
 import android.graphics.Paint
 import android.graphics.Rect
-import android.icu.text.SimpleDateFormat
 import android.util.AttributeSet
 import android.view.View
+import android.view.WindowInsets
 import androidx.annotation.AttrRes
 import androidx.core.graphics.ColorUtils
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
 import com.google.android.material.R as materialR
+import java.text.SimpleDateFormat
 import java.util.*
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.parsers.util.format
 import org.koitharu.kotatsu.reader.ui.pager.ReaderUiState
 import org.koitharu.kotatsu.utils.ext.getThemeColor
+import org.koitharu.kotatsu.utils.ext.measureDimension
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.resolveDp
 
 class ReaderInfoBarView @JvmOverloads constructor(
@@ -29,23 +34,48 @@ class ReaderInfoBarView @JvmOverloads constructor(
 
 	private val paint = Paint(Paint.ANTI_ALIAS_FLAG)
 	private val textBounds = Rect()
-	private val inset = context.resources.resolveDp(2f)
 	private val timeFormat = SimpleDateFormat.getTimeInstance(SimpleDateFormat.SHORT)
 	private val timeReceiver = TimeReceiver()
+	private var insetLeft: Int = 0
+	private var insetRight: Int = 0
+	private var insetTop: Int = 0
+	private var cutoutInsetLeft = 0
+	private var cutoutInsetRight = 0
+	private val colorText = ColorUtils.setAlphaComponent(
+		context.getThemeColor(materialR.attr.colorOnSurface, Color.BLACK),
+		200,
+	)
+	private val colorOutline = ColorUtils.setAlphaComponent(
+		context.getThemeColor(materialR.attr.colorSurface, Color.WHITE),
+		200,
+	)
 
 	private var timeText = timeFormat.format(Date())
 	private var text: String = ""
 
 	private val innerHeight
-		get() = height - inset - inset - paddingTop - paddingBottom
+		get() = height - paddingTop - paddingBottom - insetTop
 
 	private val innerWidth
-		get() = width - inset - inset - paddingLeft - paddingRight
+		get() = width - paddingLeft - paddingRight - insetLeft - insetRight
 
 	init {
-		paint.color = ColorUtils.setAlphaComponent(
-			context.getThemeColor(materialR.attr.colorOnSurface, Color.BLACK),
-			160,
+		paint.strokeWidth = context.resources.resolveDp(2f)
+		val insetCorner = getSystemUiDimensionOffset("rounded_corner_content_padding")
+		val insetStart = getSystemUiDimensionOffset("status_bar_padding_start") + insetCorner
+		val insetEnd = getSystemUiDimensionOffset("status_bar_padding_end") + insetCorner
+		val isRtl = layoutDirection == LAYOUT_DIRECTION_RTL
+		insetLeft = if (isRtl) insetEnd else insetStart
+		insetRight = if (isRtl) insetStart else insetEnd
+		insetTop = minOf(insetLeft, insetRight)
+	}
+
+	override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+		val desiredWidth = suggestedMinimumWidth + paddingLeft + paddingRight + insetLeft + insetRight
+		val desiredHeight = suggestedMinimumHeight + paddingTop + paddingBottom + insetTop
+		setMeasuredDimension(
+			measureDimension(desiredWidth, widthMeasureSpec),
+			measureDimension(desiredHeight, heightMeasureSpec),
 		)
 	}
 
@@ -53,19 +83,34 @@ class ReaderInfoBarView @JvmOverloads constructor(
 		super.onDraw(canvas)
 		val ty = innerHeight / 2f + textBounds.height() / 2f - textBounds.bottom
 		paint.textAlign = Paint.Align.LEFT
-		canvas.drawText(text, paddingLeft + inset, paddingTop + inset + ty, paint)
+		canvas.drawTextOutline(
+			text,
+			(paddingLeft + insetLeft + cutoutInsetLeft).toFloat(),
+			paddingTop + insetTop + ty,
+		)
 		paint.textAlign = Paint.Align.RIGHT
-		canvas.drawText(timeText, width - paddingRight - inset, paddingTop + inset + ty, paint)
+		canvas.drawTextOutline(
+			timeText,
+			(width - paddingRight - insetRight - cutoutInsetRight).toFloat(),
+			paddingTop + insetTop + ty,
+		)
 	}
 
 	override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
 		super.onSizeChanged(w, h, oldw, oldh)
+		updateCutoutInsets(ViewCompat.getRootWindowInsets(this))
 		updateTextSize()
 	}
 
+	override fun onApplyWindowInsets(insets: WindowInsets): WindowInsets {
+		updateCutoutInsets(WindowInsetsCompat.toWindowInsetsCompat(insets))
+		return super.onApplyWindowInsets(insets)
+	}
+
 	override fun onAttachedToWindow() {
 		super.onAttachedToWindow()
 		context.registerReceiver(timeReceiver, IntentFilter(Intent.ACTION_TIME_TICK))
+		updateCutoutInsets(ViewCompat.getRootWindowInsets(this))
 	}
 
 	override fun onDetachedFromWindow() {
@@ -103,6 +148,29 @@ class ReaderInfoBarView @JvmOverloads constructor(
 		paint.getTextBounds(str, 0, str.length, textBounds)
 	}
 
+	private fun Canvas.drawTextOutline(text: String, x: Float, y: Float) {
+		paint.color = colorOutline
+		paint.style = Paint.Style.STROKE
+		drawText(text, x, y, paint)
+		paint.color = colorText
+		paint.style = Paint.Style.FILL
+		drawText(text, x, y, paint)
+	}
+
+	private fun updateCutoutInsets(insetsCompat: WindowInsetsCompat?) {
+		val cutouts = (insetsCompat ?: return).displayCutout?.boundingRects.orEmpty()
+		cutoutInsetLeft = 0
+		cutoutInsetRight = 0
+		for (rect in cutouts) {
+			if (rect.left <= paddingLeft) {
+				cutoutInsetLeft += rect.width()
+			}
+			if (rect.right >= width - paddingRight) {
+				cutoutInsetRight += rect.width()
+			}
+		}
+	}
+
 	private inner class TimeReceiver : BroadcastReceiver() {
 
 		override fun onReceive(context: Context?, intent: Intent?) {
@@ -110,4 +178,13 @@ class ReaderInfoBarView @JvmOverloads constructor(
 			invalidate()
 		}
 	}
+
+	private fun getSystemUiDimensionOffset(name: String): Int = runCatching {
+		val manager = context.packageManager
+		val resources = manager.getResourcesForApplication("com.android.systemui")
+		val resId = resources.getIdentifier(name, "dimen", "com.android.systemui")
+		resources.getDimensionPixelOffset(resId)
+	}.onFailure {
+		it.printStackTraceDebug()
+	}.getOrDefault(0)
 }

app/src/main/java/org/koitharu/kotatsu/reader/ui/ReaderViewModel.kt

@@ -31,6 +31,7 @@ import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.reader.data.filterChapters
 import org.koitharu.kotatsu.reader.domain.ChaptersLoader
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.ReaderUiState
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.asFlowLiveData
@@ -86,6 +87,14 @@ class ReaderViewModel @AssistedInject constructor(
 		valueProducer = { isReaderBarEnabled },
 	)
 
+	val readerSettings = ReaderSettings(
+		parentScope = viewModelScope,
+		settings = settings,
+		colorFilterFlow = mangaData.flatMapLatest {
+			if (it == null) flowOf(null) else dataRepository.observeColorFilter(it.id)
+		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null),
+	)
+
 	val isScreenshotsBlockEnabled = combine(
 		mangaData,
 		settings.observeAsFlow(AppSettings.KEY_SCREENSHOTS_POLICY) { screenshotsPolicy },
@@ -94,8 +103,6 @@ class ReaderViewModel @AssistedInject constructor(
 			(policy == ScreenshotsPolicy.BLOCK_NSFW && manga != null && manga.isNsfw)
 	}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, false)
 
-	val onZoomChanged = SingleLiveEvent<Unit>()
-
 	val isBookmarkAdded: LiveData<Boolean> = currentState.flatMapLatest { state ->
 		val manga = mangaData.value
 		if (state == null || manga == null) {
@@ -108,7 +115,6 @@ class ReaderViewModel @AssistedInject constructor(
 
 	init {
 		loadImpl()
-		subscribeToSettings()
 	}
 
 	override fun onCleared() {
@@ -124,7 +130,7 @@ class ReaderViewModel @AssistedInject constructor(
 	fun switchMode(newMode: ReaderMode) {
 		launchJob {
 			val manga = checkNotNull(mangaData.value)
-			dataRepository.savePreferences(
+			dataRepository.saveReaderMode(
 				manga = manga,
 				mode = newMode,
 			)
@@ -300,13 +306,6 @@ class ReaderViewModel @AssistedInject constructor(
 		}
 	}
 
-	private fun subscribeToSettings() {
-		settings.observe()
-			.onEach { key ->
-				if (key == AppSettings.KEY_ZOOM_MODE) onZoomChanged.postCall(Unit)
-			}.launchIn(viewModelScope + Dispatchers.Default)
-	}
-
 	private fun <T> List<T>.trySublist(fromIndex: Int, toIndex: Int): List<T> {
 		val fromIndexBounded = fromIndex.coerceAtMost(lastIndex)
 		val toIndexBounded = toIndex.coerceIn(fromIndexBounded, lastIndex)
@@ -331,7 +330,7 @@ class ReaderViewModel @AssistedInject constructor(
 			val isWebtoon = dataRepository.determineMangaIsWebtoon(repo, pages)
 			if (isWebtoon) ReaderMode.WEBTOON else defaultMode
 		}.onSuccess {
-			dataRepository.savePreferences(manga, it)
+			dataRepository.saveReaderMode(manga, it)
 		}.onFailure {
 			it.printStackTraceDebug()
 		}.getOrDefault(defaultMode)

app/src/main/java/org/koitharu/kotatsu/reader/ui/colorfilter/ColorFilterConfigActivity.kt

@@ -0,0 +1,151 @@
+package org.koitharu.kotatsu.reader.ui.colorfilter
+
+import android.content.Context
+import android.content.Intent
+import android.content.res.Resources
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.graphics.Insets
+import androidx.core.view.updateLayoutParams
+import androidx.core.view.updatePadding
+import coil.ImageLoader
+import coil.request.ImageRequest
+import coil.size.Scale
+import coil.size.ViewSizeResolver
+import com.google.android.material.R as materialR
+import com.google.android.material.slider.LabelFormatter
+import com.google.android.material.slider.Slider
+import dagger.hilt.android.AndroidEntryPoint
+import javax.inject.Inject
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaPages
+import org.koitharu.kotatsu.databinding.ActivityColorFilterBinding
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaPage
+import org.koitharu.kotatsu.parsers.util.format
+import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
+import org.koitharu.kotatsu.utils.ext.*
+
+@AndroidEntryPoint
+class ColorFilterConfigActivity :
+	BaseActivity<ActivityColorFilterBinding>(),
+	Slider.OnChangeListener,
+	View.OnClickListener {
+
+	@Inject
+	lateinit var coil: ImageLoader
+
+	@Inject
+	lateinit var viewModelFactory: ColorFilterConfigViewModel.Factory
+
+	private val viewModel: ColorFilterConfigViewModel by assistedViewModels {
+		viewModelFactory.create(
+			manga = checkNotNull(intent.getParcelableExtraCompat<ParcelableManga>(EXTRA_MANGA)?.manga),
+			page = checkNotNull(intent.getParcelableExtraCompat<ParcelableMangaPages>(EXTRA_PAGES)?.pages?.firstOrNull()),
+		)
+	}
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setContentView(ActivityColorFilterBinding.inflate(layoutInflater))
+		supportActionBar?.run {
+			setDisplayHomeAsUpEnabled(true)
+			setHomeAsUpIndicator(materialR.drawable.abc_ic_clear_material)
+		}
+		binding.sliderBrightness.addOnChangeListener(this)
+		binding.sliderContrast.addOnChangeListener(this)
+		val formatter = PercentLabelFormatter(resources)
+		binding.sliderContrast.setLabelFormatter(formatter)
+		binding.sliderBrightness.setLabelFormatter(formatter)
+		binding.buttonDone.setOnClickListener(this)
+		binding.buttonReset.setOnClickListener(this)
+
+		onBackPressedDispatcher.addCallback(ColorFilterConfigBackPressedDispatcher(this, viewModel))
+
+		viewModel.colorFilter.observe(this, this::onColorFilterChanged)
+		viewModel.isLoading.observe(this, this::onLoadingChanged)
+		viewModel.preview.observe(this, this::onPreviewChanged)
+		viewModel.onDismiss.observe(this) {
+			finishAfterTransition()
+		}
+	}
+
+	override fun onValueChange(slider: Slider, value: Float, fromUser: Boolean) {
+		if (fromUser) {
+			when (slider.id) {
+				R.id.slider_brightness -> viewModel.setBrightness(value)
+				R.id.slider_contrast -> viewModel.setContrast(value)
+			}
+		}
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_done -> viewModel.save()
+			R.id.button_reset -> viewModel.reset()
+		}
+	}
+
+	override fun onWindowInsetsChanged(insets: Insets) {
+		binding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+		)
+		binding.scrollView.updatePadding(
+			bottom = insets.bottom,
+		)
+		binding.toolbar.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+			topMargin = insets.top
+		}
+	}
+
+	private fun onColorFilterChanged(readerColorFilter: ReaderColorFilter?) {
+		binding.sliderBrightness.value = readerColorFilter?.brightness ?: 0f
+		binding.sliderContrast.value = readerColorFilter?.contrast ?: 0f
+		binding.imageViewAfter.colorFilter = readerColorFilter?.toColorFilter()
+	}
+
+	private fun onPreviewChanged(preview: MangaPage?) {
+		if (preview == null) return
+		ImageRequest.Builder(this@ColorFilterConfigActivity)
+			.data(preview.url)
+			.referer(preview.referer)
+			.scale(Scale.FILL)
+			.decodeRegion()
+			.error(R.drawable.ic_error_placeholder)
+			.size(ViewSizeResolver(binding.imageViewBefore))
+			.allowRgb565(false)
+			.target(ShadowViewTarget(binding.imageViewBefore, binding.imageViewAfter))
+			.enqueueWith(coil)
+	}
+
+	private fun onLoadingChanged(isLoading: Boolean) {
+		binding.sliderContrast.isEnabled = !isLoading
+		binding.sliderBrightness.isEnabled = !isLoading
+		binding.buttonDone.isEnabled = !isLoading
+	}
+
+	private class PercentLabelFormatter(resources: Resources) : LabelFormatter {
+
+		private val pattern = resources.getString(R.string.percent_string_pattern)
+
+		override fun getFormattedValue(value: Float): String {
+			val percent = ((value + 1f) * 100).format(0)
+			return pattern.format(percent)
+		}
+	}
+
+	companion object {
+
+		private const val EXTRA_PAGES = "pages"
+		private const val EXTRA_MANGA = "manga_id"
+
+		fun newIntent(context: Context, manga: Manga, page: MangaPage) =
+			Intent(context, ColorFilterConfigActivity::class.java)
+				.putExtra(EXTRA_MANGA, ParcelableManga(manga, false))
+				.putExtra(EXTRA_PAGES, ParcelableMangaPages(listOf(page)))
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/colorfilter/ColorFilterConfigBackPressedDispatcher.kt

@@ -0,0 +1,39 @@
+package org.koitharu.kotatsu.reader.ui.colorfilter
+
+import android.content.Context
+import android.content.DialogInterface
+import androidx.activity.OnBackPressedCallback
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.R
+
+class ColorFilterConfigBackPressedDispatcher(
+	private val context: Context,
+	private val viewModel: ColorFilterConfigViewModel,
+) : OnBackPressedCallback(true), DialogInterface.OnClickListener {
+
+	override fun handleOnBackPressed() {
+		if (viewModel.isChanged) {
+			showConfirmation()
+		} else {
+			viewModel.onDismiss.call(Unit)
+		}
+	}
+
+	override fun onClick(dialog: DialogInterface, which: Int) {
+		when (which) {
+			DialogInterface.BUTTON_NEGATIVE -> viewModel.onDismiss.call(Unit)
+			DialogInterface.BUTTON_NEUTRAL -> dialog.dismiss()
+			DialogInterface.BUTTON_POSITIVE -> viewModel.save()
+		}
+	}
+
+	private fun showConfirmation() {
+		MaterialAlertDialogBuilder(context)
+			.setTitle(R.string.color_correction)
+			.setMessage(R.string.text_unsaved_changes_prompt)
+			.setNegativeButton(R.string.discard, this)
+			.setNeutralButton(android.R.string.cancel, this)
+			.setPositiveButton(R.string.save, this)
+			.show()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/colorfilter/ColorFilterConfigViewModel.kt

@@ -0,0 +1,74 @@
+package org.koitharu.kotatsu.reader.ui.colorfilter
+
+import androidx.lifecycle.MutableLiveData
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import org.koitharu.kotatsu.base.domain.MangaDataRepository
+import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaPage
+import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
+import org.koitharu.kotatsu.utils.SingleLiveEvent
+
+class ColorFilterConfigViewModel @AssistedInject constructor(
+	@Assisted private val manga: Manga,
+	@Assisted page: MangaPage,
+	private val mangaRepositoryFactory: MangaRepository.Factory,
+	private val mangaDataRepository: MangaDataRepository,
+) : BaseViewModel() {
+
+	private var initialColorFilter: ReaderColorFilter? = null
+	val colorFilter = MutableLiveData<ReaderColorFilter?>(null)
+	val onDismiss = SingleLiveEvent<Unit>()
+	val preview = MutableLiveData<MangaPage?>(null)
+
+	val isChanged: Boolean
+		get() = colorFilter.value != initialColorFilter
+
+	init {
+		launchLoadingJob {
+			initialColorFilter = mangaDataRepository.getColorFilter(manga.id)
+			colorFilter.value = initialColorFilter
+		}
+		launchLoadingJob {
+			val repository = mangaRepositoryFactory.create(page.source)
+			val url = repository.getPageUrl(page)
+			preview.value = MangaPage(
+				id = page.id,
+				url = url,
+				referer = page.referer,
+				preview = page.preview,
+				source = page.source,
+			)
+		}
+	}
+
+	fun setBrightness(brightness: Float) {
+		val cf = colorFilter.value
+		colorFilter.value = ReaderColorFilter(brightness, cf?.contrast ?: 0f).takeUnless { it.isEmpty }
+	}
+
+	fun setContrast(contrast: Float) {
+		val cf = colorFilter.value
+		colorFilter.value = ReaderColorFilter(cf?.brightness ?: 0f, contrast).takeUnless { it.isEmpty }
+	}
+
+	fun reset() {
+		colorFilter.value = null
+	}
+
+	fun save() {
+		launchLoadingJob {
+			mangaDataRepository.saveColorFilter(manga, colorFilter.value)
+			onDismiss.call(Unit)
+		}
+	}
+
+	@AssistedFactory
+	interface Factory {
+
+		fun create(manga: Manga, page: MangaPage): ColorFilterConfigViewModel
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/colorfilter/ShadowViewTarget.kt

@@ -0,0 +1,18 @@
+package org.koitharu.kotatsu.reader.ui.colorfilter
+
+import android.graphics.drawable.Drawable
+import android.widget.ImageView
+import coil.target.ImageViewTarget
+
+class ShadowViewTarget(
+	view: ImageView,
+	private val shadowView: ImageView,
+) : ImageViewTarget(view) {
+
+	override var drawable: Drawable?
+		get() = super.drawable
+		set(value) {
+			super.drawable = value
+			shadowView.setImageDrawable(value?.constantState?.newDrawable())
+		}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/config/ReaderConfigBottomSheet.kt

@@ -20,6 +20,7 @@ import org.koitharu.kotatsu.core.prefs.ReaderMode
 import org.koitharu.kotatsu.databinding.SheetReaderConfigBinding
 import org.koitharu.kotatsu.reader.ui.PageSaveContract
 import org.koitharu.kotatsu.reader.ui.ReaderViewModel
+import org.koitharu.kotatsu.reader.ui.colorfilter.ColorFilterConfigActivity
 import org.koitharu.kotatsu.settings.SettingsActivity
 import org.koitharu.kotatsu.utils.ScreenOrientationHelper
 import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
@@ -59,6 +60,7 @@ class ReaderConfigBottomSheet :
 		binding.buttonSavePage.setOnClickListener(this)
 		binding.buttonScreenRotate.setOnClickListener(this)
 		binding.buttonSettings.setOnClickListener(this)
+		binding.buttonColorFilter.setOnClickListener(this)
 		binding.sliderTimer.addOnSliderTouchListener(this)
 		binding.sliderTimer.setLabelFormatter(PageSwitchTimer.DelayLabelFormatter(view.resources))
 
@@ -80,6 +82,11 @@ class ReaderConfigBottomSheet :
 			R.id.button_screen_rotate -> {
 				orientationHelper?.toggleOrientation()
 			}
+			R.id.button_color_filter -> {
+				val page = viewModel.getCurrentPage() ?: return
+				val manga = viewModel.manga ?: return
+				startActivity(ColorFilterConfigActivity.newIntent(v.context, manga, page))
+			}
 		}
 	}
 

app/src/main/java/org/koitharu/kotatsu/reader/ui/config/ReaderSettings.kt

@@ -0,0 +1,68 @@
+package org.koitharu.kotatsu.reader.ui.config
+
+import android.content.SharedPreferences
+import androidx.lifecycle.MediatorLiveData
+import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.FlowCollector
+import kotlinx.coroutines.flow.StateFlow
+import org.koitharu.kotatsu.core.model.ZoomMode
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
+
+class ReaderSettings(
+	private val parentScope: CoroutineScope,
+	private val settings: AppSettings,
+	private val colorFilterFlow: StateFlow<ReaderColorFilter?>,
+) : MediatorLiveData<ReaderSettings>() {
+
+	private val internalObserver = InternalObserver()
+	private var collectJob: Job? = null
+
+	val zoomMode: ZoomMode
+		get() = settings.zoomMode
+
+	val colorFilter: ReaderColorFilter?
+		get() = colorFilterFlow.value
+
+	val isPagesNumbersEnabled: Boolean
+		get() = settings.isPagesNumbersEnabled
+
+	override fun onInactive() {
+		super.onInactive()
+		settings.unsubscribe(internalObserver)
+		collectJob?.cancel()
+		collectJob = null
+	}
+
+	override fun onActive() {
+		super.onActive()
+		settings.subscribe(internalObserver)
+		collectJob?.cancel()
+		collectJob = parentScope.launch {
+			colorFilterFlow.collect(internalObserver)
+		}
+	}
+
+	override fun getValue() = this
+
+	private fun notifyChanged() {
+		value = value
+	}
+
+	private inner class InternalObserver :
+		FlowCollector<ReaderColorFilter?>,
+		SharedPreferences.OnSharedPreferenceChangeListener {
+
+		override suspend fun emit(value: ReaderColorFilter?) {
+			withContext(Dispatchers.Main.immediate) {
+				notifyChanged()
+			}
+		}
+
+		override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+			if (key == AppSettings.KEY_ZOOM_MODE || key == AppSettings.KEY_PAGES_NUMBERS) {
+				notifyChanged()
+			}
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/BasePageHolder.kt

@@ -5,15 +5,15 @@ import androidx.annotation.CallSuper
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewbinding.ViewBinding
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.LayoutPageInfoBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 
 abstract class BasePageHolder<B : ViewBinding>(
 	protected val binding: B,
 	loader: PageLoader,
-	settings: AppSettings,
-	exceptionResolver: ExceptionResolver
+	settings: ReaderSettings,
+	exceptionResolver: ExceptionResolver,
 ) : RecyclerView.ViewHolder(binding.root), PageHolderDelegate.Callback {
 
 	@Suppress("LeakingThis")
@@ -37,8 +37,16 @@ abstract class BasePageHolder<B : ViewBinding>(
 
 	protected abstract fun onBind(data: ReaderPage)
 
+	fun onAttachedToWindow() {
+		delegate.onAttachedToWindow()
+	}
+
+	fun onDetachedFromWindow() {
+		delegate.onDetachedFromWindow()
+	}
+
 	@CallSuper
 	open fun onRecycled() {
 		delegate.onRecycle()
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/BaseReader.kt

@@ -8,6 +8,7 @@ import androidx.viewbinding.ViewBinding
 import org.koitharu.kotatsu.base.ui.BaseFragment
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.reader.ui.ReaderViewModel
+import org.koitharu.kotatsu.utils.ext.getParcelableCompat
 
 private const val KEY_STATE = "state"
 
@@ -18,7 +19,7 @@ abstract class BaseReader<B : ViewBinding> : BaseFragment<B>() {
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		var restoredState = savedInstanceState?.getParcelable<ReaderState?>(KEY_STATE)
+		var restoredState = savedInstanceState?.getParcelableCompat<ReaderState>(KEY_STATE)
 
 		viewModel.content.observe(viewLifecycleOwner) {
 			onPagesChanged(it.pages, restoredState ?: it.state)

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/BaseReaderAdapter.kt

@@ -4,17 +4,17 @@ import android.view.ViewGroup
 import androidx.recyclerview.widget.AsyncListDiffer
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
-import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.reader.domain.PageLoader
-import org.koitharu.kotatsu.utils.ext.resetTransformations
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
+import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
+import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
+import org.koitharu.kotatsu.utils.ext.resetTransformations
 
 @Suppress("LeakingThis")
 abstract class BaseReaderAdapter<H : BasePageHolder<*>>(
 	private val loader: PageLoader,
-	private val settings: AppSettings,
+	private val readerSettings: ReaderSettings,
 	private val exceptionResolver: ExceptionResolver,
 ) : RecyclerView.Adapter<H>() {
 
@@ -35,6 +35,16 @@ abstract class BaseReaderAdapter<H : BasePageHolder<*>>(
 		super.onViewRecycled(holder)
 	}
 
+	override fun onViewAttachedToWindow(holder: H) {
+		super.onViewAttachedToWindow(holder)
+		holder.onAttachedToWindow()
+	}
+
+	override fun onViewDetachedFromWindow(holder: H) {
+		holder.onDetachedFromWindow()
+		super.onViewDetachedFromWindow(holder)
+	}
+
 	open fun getItem(position: Int): ReaderPage = differ.currentList[position]
 
 	open fun getItemOrNull(position: Int) = differ.currentList.getOrNull(position)
@@ -45,8 +55,8 @@ abstract class BaseReaderAdapter<H : BasePageHolder<*>>(
 
 	final override fun onCreateViewHolder(
 		parent: ViewGroup,
-		viewType: Int
-	): H = onCreateViewHolder(parent, loader, settings, exceptionResolver)
+		viewType: Int,
+	): H = onCreateViewHolder(parent, loader, readerSettings, exceptionResolver)
 
 	suspend fun setItems(items: List<ReaderPage>) = suspendCoroutine<Unit> { cont ->
 		differ.submitList(items) {
@@ -57,8 +67,8 @@ abstract class BaseReaderAdapter<H : BasePageHolder<*>>(
 	protected abstract fun onCreateViewHolder(
 		parent: ViewGroup,
 		loader: PageLoader,
-		settings: AppSettings,
-		exceptionResolver: ExceptionResolver
+		settings: ReaderSettings,
+		exceptionResolver: ExceptionResolver,
 	): H
 
 	private class DiffCallback : DiffUtil.ItemCallback<ReaderPage>() {
@@ -70,6 +80,5 @@ abstract class BaseReaderAdapter<H : BasePageHolder<*>>(
 		override fun areContentsTheSame(oldItem: ReaderPage, newItem: ReaderPage): Boolean {
 			return oldItem == newItem
 		}
-
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/PageHolderDelegate.kt

@@ -2,26 +2,26 @@ package org.koitharu.kotatsu.reader.ui.pager
 
 import android.net.Uri
 import androidx.core.net.toUri
+import androidx.lifecycle.Observer
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
+import java.io.File
+import java.io.IOException
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.model.ZoomMode
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.reader.domain.PageLoader
-import java.io.File
-import java.io.IOException
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 
 class PageHolderDelegate(
 	private val loader: PageLoader,
-	private val settings: AppSettings,
+	private val readerSettings: ReaderSettings,
 	private val callback: Callback,
-	private val exceptionResolver: ExceptionResolver
-) : SubsamplingScaleImageView.DefaultOnImageEventListener() {
+	private val exceptionResolver: ExceptionResolver,
+) : SubsamplingScaleImageView.DefaultOnImageEventListener(), Observer<ReaderSettings> {
 
 	private val scope = loader.loaderScope + Dispatchers.Main.immediate
 	private var state = State.EMPTY
@@ -49,6 +49,14 @@ class PageHolderDelegate(
 		}
 	}
 
+	fun onAttachedToWindow() {
+		readerSettings.observeForever(this)
+	}
+
+	fun onDetachedFromWindow() {
+		readerSettings.removeObserver(this)
+	}
+
 	fun onRecycle() {
 		state = State.EMPTY
 		file = null
@@ -59,7 +67,7 @@ class PageHolderDelegate(
 	override fun onReady() {
 		state = State.SHOWING
 		error = null
-		callback.onImageShowing(settings.zoomMode)
+		callback.onImageShowing(readerSettings)
 	}
 
 	override fun onImageLoaded() {
@@ -79,6 +87,12 @@ class PageHolderDelegate(
 		}
 	}
 
+	override fun onChanged(t: ReaderSettings?) {
+		if (state == State.SHOWN) {
+			callback.onImageShowing(readerSettings)
+		}
+	}
+
 	private fun tryConvert(file: File, e: Exception) {
 		val prevJob = job
 		job = scope.launch {
@@ -134,10 +148,10 @@ class PageHolderDelegate(
 
 		fun onImageReady(uri: Uri)
 
-		fun onImageShowing(zoom: ZoomMode)
+		fun onImageShowing(settings: ReaderSettings)
 
 		fun onImageShown()
 
 		fun onProgressChanged(progress: Int)
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/reversed/ReversedPageHolder.kt

@@ -6,16 +6,16 @@ import android.widget.FrameLayout
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.model.ZoomMode
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.ItemPageBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.standard.PageHolder
 
 class ReversedPageHolder(
 	binding: ItemPageBinding,
 	loader: PageLoader,
-	settings: AppSettings,
-	exceptionResolver: ExceptionResolver
+	settings: ReaderSettings,
+	exceptionResolver: ExceptionResolver,
 ) : PageHolder(binding, loader, settings, exceptionResolver) {
 
 	init {
@@ -23,13 +23,14 @@ class ReversedPageHolder(
 			.gravity = Gravity.START or Gravity.BOTTOM
 	}
 
-	override fun onImageShowing(zoom: ZoomMode) {
+	override fun onImageShowing(settings: ReaderSettings) {
 		with(binding.ssiv) {
 			maxScale = 2f * maxOf(
 				width / sWidth.toFloat(),
-				height / sHeight.toFloat()
+				height / sHeight.toFloat(),
 			)
-			when (zoom) {
+			binding.ssiv.colorFilter = settings.colorFilter?.toColorFilter()
+			when (settings.zoomMode) {
 				ZoomMode.FIT_CENTER -> {
 					setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_INSIDE)
 					resetScaleAndCenter()
@@ -39,7 +40,7 @@ class ReversedPageHolder(
 					minScale = height / sHeight.toFloat()
 					setScaleAndCenter(
 						minScale,
-						PointF(sWidth.toFloat(), sHeight / 2f)
+						PointF(sWidth.toFloat(), sHeight / 2f),
 					)
 				}
 				ZoomMode.FIT_WIDTH -> {
@@ -47,17 +48,17 @@ class ReversedPageHolder(
 					minScale = width / sWidth.toFloat()
 					setScaleAndCenter(
 						minScale,
-						PointF(sWidth / 2f, 0f)
+						PointF(sWidth / 2f, 0f),
 					)
 				}
 				ZoomMode.KEEP_START -> {
 					setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_INSIDE)
 					setScaleAndCenter(
 						maxScale,
-						PointF(sWidth.toFloat(), 0f)
+						PointF(sWidth.toFloat(), 0f),
 					)
 				}
 			}
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/reversed/ReversedPagesAdapter.kt

@@ -3,26 +3,26 @@ package org.koitharu.kotatsu.reader.ui.pager.reversed
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.ItemPageBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.BaseReaderAdapter
 
 class ReversedPagesAdapter(
 	loader: PageLoader,
-	settings: AppSettings,
-	exceptionResolver: ExceptionResolver
+	settings: ReaderSettings,
+	exceptionResolver: ExceptionResolver,
 ) : BaseReaderAdapter<ReversedPageHolder>(loader, settings, exceptionResolver) {
 
 	override fun onCreateViewHolder(
 		parent: ViewGroup,
 		loader: PageLoader,
-		settings: AppSettings,
-		exceptionResolver: ExceptionResolver
+		settings: ReaderSettings,
+		exceptionResolver: ExceptionResolver,
 	) = ReversedPageHolder(
 		binding = ItemPageBinding.inflate(LayoutInflater.from(parent.context), parent, false),
 		loader = loader,
 		settings = settings,
-		exceptionResolver = exceptionResolver
+		exceptionResolver = exceptionResolver,
 	)
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/reversed/ReversedReaderFragment.kt

@@ -7,10 +7,8 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.core.view.children
 import dagger.hilt.android.AndroidEntryPoint
-import javax.inject.Inject
 import kotlin.math.absoluteValue
 import kotlinx.coroutines.async
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.FragmentReaderStandardBinding
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.reader.ui.pager.BaseReader
@@ -25,9 +23,6 @@ import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
 @AndroidEntryPoint
 class ReversedReaderFragment : BaseReader<FragmentReaderStandardBinding>() {
 
-	@Inject
-	lateinit var settings: AppSettings
-
 	private var pagerAdapter: ReversedPagesAdapter? = null
 
 	override fun onInflateView(
@@ -38,7 +33,7 @@ class ReversedReaderFragment : BaseReader<FragmentReaderStandardBinding>() {
 	@SuppressLint("NotifyDataSetChanged")
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		pagerAdapter = ReversedPagesAdapter(viewModel.pageLoader, settings, exceptionResolver)
+		pagerAdapter = ReversedPagesAdapter(viewModel.pageLoader, viewModel.readerSettings, exceptionResolver)
 		with(binding.pager) {
 			adapter = pagerAdapter
 			offscreenPageLimit = 2
@@ -54,9 +49,6 @@ class ReversedReaderFragment : BaseReader<FragmentReaderStandardBinding>() {
 				}
 			}
 		}
-		viewModel.onZoomChanged.observe(viewLifecycleOwner) {
-			pagerAdapter?.notifyDataSetChanged()
-		}
 	}
 
 	override fun onDestroyView() {

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PageHolder.kt

@@ -12,9 +12,9 @@ import kotlinx.coroutines.asExecutor
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.model.ZoomMode
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.ItemPageBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.BasePageHolder
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
 import org.koitharu.kotatsu.utils.ext.*
@@ -22,7 +22,7 @@ import org.koitharu.kotatsu.utils.ext.*
 open class PageHolder(
 	binding: ItemPageBinding,
 	loader: PageLoader,
-	settings: AppSettings,
+	settings: ReaderSettings,
 	exceptionResolver: ExceptionResolver,
 ) : BasePageHolder<ItemPageBinding>(binding, loader, settings, exceptionResolver),
 	View.OnClickListener {
@@ -66,12 +66,13 @@ open class PageHolder(
 		binding.ssiv.setImage(ImageSource.uri(uri))
 	}
 
-	override fun onImageShowing(zoom: ZoomMode) {
+	override fun onImageShowing(settings: ReaderSettings) {
 		binding.ssiv.maxScale = 2f * maxOf(
 			binding.ssiv.width / binding.ssiv.sWidth.toFloat(),
-			binding.ssiv.height / binding.ssiv.sHeight.toFloat()
+			binding.ssiv.height / binding.ssiv.sHeight.toFloat(),
 		)
-		when (zoom) {
+		binding.ssiv.colorFilter = settings.colorFilter?.toColorFilter()
+		when (settings.zoomMode) {
 			ZoomMode.FIT_CENTER -> {
 				binding.ssiv.setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_INSIDE)
 				binding.ssiv.resetScaleAndCenter()
@@ -81,7 +82,7 @@ open class PageHolder(
 				binding.ssiv.minScale = binding.ssiv.height / binding.ssiv.sHeight.toFloat()
 				binding.ssiv.setScaleAndCenter(
 					binding.ssiv.minScale,
-					PointF(0f, binding.ssiv.sHeight / 2f)
+					PointF(0f, binding.ssiv.sHeight / 2f),
 				)
 			}
 			ZoomMode.FIT_WIDTH -> {
@@ -89,14 +90,14 @@ open class PageHolder(
 				binding.ssiv.minScale = binding.ssiv.width / binding.ssiv.sWidth.toFloat()
 				binding.ssiv.setScaleAndCenter(
 					binding.ssiv.minScale,
-					PointF(binding.ssiv.sWidth / 2f, 0f)
+					PointF(binding.ssiv.sWidth / 2f, 0f),
 				)
 			}
 			ZoomMode.KEEP_START -> {
 				binding.ssiv.setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_INSIDE)
 				binding.ssiv.setScaleAndCenter(
 					binding.ssiv.maxScale,
-					PointF(0f, 0f)
+					PointF(0f, 0f),
 				)
 			}
 		}
@@ -115,9 +116,9 @@ open class PageHolder(
 	override fun onError(e: Throwable) {
 		bindingInfo.textViewError.text = e.getDisplayMessage(context.resources)
 		bindingInfo.buttonRetry.setText(
-			ExceptionResolver.getResolveStringId(e).ifZero { R.string.try_again }
+			ExceptionResolver.getResolveStringId(e).ifZero { R.string.try_again },
 		)
 		bindingInfo.layoutError.isVisible = true
 		bindingInfo.progressBar.hideCompat()
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PagerReaderFragment.kt

@@ -7,10 +7,8 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.core.view.children
 import dagger.hilt.android.AndroidEntryPoint
-import javax.inject.Inject
 import kotlin.math.absoluteValue
 import kotlinx.coroutines.async
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.FragmentReaderStandardBinding
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.reader.ui.pager.BaseReader
@@ -24,9 +22,6 @@ import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
 @AndroidEntryPoint
 class PagerReaderFragment : BaseReader<FragmentReaderStandardBinding>() {
 
-	@Inject
-	lateinit var settings: AppSettings
-
 	private var pagesAdapter: PagesAdapter? = null
 
 	override fun onInflateView(
@@ -37,7 +32,7 @@ class PagerReaderFragment : BaseReader<FragmentReaderStandardBinding>() {
 	@SuppressLint("NotifyDataSetChanged")
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		pagesAdapter = PagesAdapter(viewModel.pageLoader, settings, exceptionResolver)
+		pagesAdapter = PagesAdapter(viewModel.pageLoader, viewModel.readerSettings, exceptionResolver)
 		with(binding.pager) {
 			adapter = pagesAdapter
 			offscreenPageLimit = 2
@@ -53,9 +48,6 @@ class PagerReaderFragment : BaseReader<FragmentReaderStandardBinding>() {
 				}
 			}
 		}
-		viewModel.onZoomChanged.observe(viewLifecycleOwner) {
-			pagesAdapter?.notifyDataSetChanged()
-		}
 	}
 
 	override fun onDestroyView() {

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/standard/PagesAdapter.kt

@@ -3,26 +3,26 @@ package org.koitharu.kotatsu.reader.ui.pager.standard
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.ItemPageBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.BaseReaderAdapter
 
 class PagesAdapter(
 	loader: PageLoader,
-	settings: AppSettings,
-	exceptionResolver: ExceptionResolver
+	settings: ReaderSettings,
+	exceptionResolver: ExceptionResolver,
 ) : BaseReaderAdapter<PageHolder>(loader, settings, exceptionResolver) {
 
 	override fun onCreateViewHolder(
 		parent: ViewGroup,
 		loader: PageLoader,
-		settings: AppSettings,
-		exceptionResolver: ExceptionResolver
+		settings: ReaderSettings,
+		exceptionResolver: ExceptionResolver,
 	) = PageHolder(
 		binding = ItemPageBinding.inflate(LayoutInflater.from(parent.context), parent, false),
 		loader = loader,
 		settings = settings,
-		exceptionResolver = exceptionResolver
+		exceptionResolver = exceptionResolver,
 	)
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonAdapter.kt

@@ -6,27 +6,28 @@ import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.ItemPageWebtoonBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.BaseReaderAdapter
 
 class WebtoonAdapter(
 	loader: PageLoader,
-	settings: AppSettings,
-	exceptionResolver: ExceptionResolver
+	settings: ReaderSettings,
+	exceptionResolver: ExceptionResolver,
 ) : BaseReaderAdapter<WebtoonHolder>(loader, settings, exceptionResolver) {
 
 	override fun onCreateViewHolder(
 		parent: ViewGroup,
 		loader: PageLoader,
-		settings: AppSettings,
-		exceptionResolver: ExceptionResolver
+		settings: ReaderSettings,
+		exceptionResolver: ExceptionResolver,
 	) = WebtoonHolder(
 		binding = ItemPageWebtoonBinding.inflate(
 			LayoutInflater.from(parent.context),
 			parent,
-			false
+			false,
 		),
 		loader = loader,
 		settings = settings,
-		exceptionResolver = exceptionResolver
+		exceptionResolver = exceptionResolver,
 	)
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt

@@ -7,10 +7,9 @@ import com.davemorrissey.labs.subscaleview.ImageSource
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
-import org.koitharu.kotatsu.core.model.ZoomMode
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.ItemPageWebtoonBinding
 import org.koitharu.kotatsu.reader.domain.PageLoader
+import org.koitharu.kotatsu.reader.ui.config.ReaderSettings
 import org.koitharu.kotatsu.reader.ui.pager.BasePageHolder
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
 import org.koitharu.kotatsu.utils.GoneOnInvisibleListener
@@ -19,7 +18,7 @@ import org.koitharu.kotatsu.utils.ext.*
 class WebtoonHolder(
 	binding: ItemPageWebtoonBinding,
 	loader: PageLoader,
-	settings: AppSettings,
+	settings: ReaderSettings,
 	exceptionResolver: ExceptionResolver,
 ) : BasePageHolder<ItemPageWebtoonBinding>(binding, loader, settings, exceptionResolver),
 	View.OnClickListener {
@@ -60,7 +59,8 @@ class WebtoonHolder(
 		binding.ssiv.setImage(ImageSource.uri(uri))
 	}
 
-	override fun onImageShowing(zoom: ZoomMode) {
+	override fun onImageShowing(settings: ReaderSettings) {
+		binding.ssiv.colorFilter = settings.colorFilter?.toColorFilter()
 		with(binding.ssiv) {
 			setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CUSTOM)
 			minScale = width / sWidth.toFloat()
@@ -70,7 +70,7 @@ class WebtoonHolder(
 					scrollToRestore != 0 -> scrollToRestore
 					itemView.top < 0 -> getScrollRange()
 					else -> 0
-				}
+				},
 			)
 			scrollToRestore = 0
 		}
@@ -89,7 +89,7 @@ class WebtoonHolder(
 	override fun onError(e: Throwable) {
 		bindingInfo.textViewError.text = e.getDisplayMessage(context.resources)
 		bindingInfo.buttonRetry.setText(
-			ExceptionResolver.getResolveStringId(e).ifZero { R.string.try_again }
+			ExceptionResolver.getResolveStringId(e).ifZero { R.string.try_again },
 		)
 		bindingInfo.layoutError.isVisible = true
 		bindingInfo.progressBar.hideCompat()
@@ -104,4 +104,4 @@ class WebtoonHolder(
 			scrollToRestore = scroll
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonReaderFragment.kt

@@ -6,9 +6,7 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.animation.AccelerateDecelerateInterpolator
 import dagger.hilt.android.AndroidEntryPoint
-import javax.inject.Inject
 import kotlinx.coroutines.async
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.databinding.FragmentReaderWebtoonBinding
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.reader.ui.pager.BaseReader
@@ -21,9 +19,6 @@ import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
 @AndroidEntryPoint
 class WebtoonReaderFragment : BaseReader<FragmentReaderWebtoonBinding>() {
 
-	@Inject
-	lateinit var settings: AppSettings
-
 	private val scrollInterpolator = AccelerateDecelerateInterpolator()
 	private var webtoonAdapter: WebtoonAdapter? = null
 
@@ -34,7 +29,7 @@ class WebtoonReaderFragment : BaseReader<FragmentReaderWebtoonBinding>() {
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		webtoonAdapter = WebtoonAdapter(viewModel.pageLoader, settings, exceptionResolver)
+		webtoonAdapter = WebtoonAdapter(viewModel.pageLoader, viewModel.readerSettings, exceptionResolver)
 		with(binding.recyclerView) {
 			setHasFixedSize(true)
 			adapter = webtoonAdapter

app/src/main/java/org/koitharu/kotatsu/reader/ui/thumbnails/PagesThumbnailsSheet.kt

@@ -24,6 +24,7 @@ import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.reader.domain.PageLoader
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.thumbnails.adapter.PageThumbnailAdapter
+import org.koitharu.kotatsu.utils.ext.getParcelableCompat
 import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
 import org.koitharu.kotatsu.utils.ext.withArgs
 
@@ -52,7 +53,7 @@ class PagesThumbnailsSheet :
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
-		val pages = arguments?.getParcelable<ParcelableMangaPages>(ARG_PAGES)?.pages
+		val pages = arguments?.getParcelableCompat<ParcelableMangaPages>(ARG_PAGES)?.pages
 		if (pages.isNullOrEmpty()) {
 			dismissAllowingStateLoss()
 			return

app/src/main/java/org/koitharu/kotatsu/reader/ui/thumbnails/adapter/PageThumbnailAD.kt

@@ -14,6 +14,7 @@ import org.koitharu.kotatsu.databinding.ItemPageThumbBinding
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.reader.domain.PageLoader
 import org.koitharu.kotatsu.reader.ui.thumbnails.PageThumbnail
+import org.koitharu.kotatsu.utils.ext.decodeRegion
 import org.koitharu.kotatsu.utils.ext.isLowRamDevice
 import org.koitharu.kotatsu.utils.ext.referer
 import org.koitharu.kotatsu.utils.ext.setTextColorAttr
@@ -30,7 +31,7 @@ fun pageThumbnailAD(
 	val gridWidth = itemView.context.resources.getDimensionPixelSize(R.dimen.preferred_grid_width)
 	val thumbSize = Size(
 		width = gridWidth,
-		height = (gridWidth * 13f / 18f).toInt(),
+		height = (gridWidth / 13f * 18f).toInt(),
 	)
 
 	suspend fun loadPageThumbnail(item: PageThumbnail): Drawable? = withContext(Dispatchers.Default) {
@@ -52,6 +53,7 @@ fun pageThumbnailAD(
 			ImageRequest.Builder(context)
 				.data(file)
 				.size(thumbSize)
+				.decodeRegion()
 				.allowRgb565(isLowRamDevice(context))
 				.build(),
 		).drawable

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

@@ -99,7 +99,7 @@ class RemoteListFragment : MangaListFragment() {
 
 		override fun onQueryTextChange(newText: String?): Boolean = false
 
-		override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
+		override fun onMenuItemActionExpand(item: MenuItem): Boolean {
 			(activity as? AppBarOwner)?.appBar?.setExpanded(false, true)
 			return true
 		}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriInterceptor.kt

@@ -10,10 +10,13 @@ private const val USER_AGENT_SHIKIMORI = "Kotatsu"
 class ShikimoriInterceptor(private val storage: ShikimoriStorage) : Interceptor {
 
 	override fun intercept(chain: Interceptor.Chain): Response {
-		val request = chain.request().newBuilder()
+		val sourceRequest = chain.request()
+		val request = sourceRequest.newBuilder()
 		request.header(CommonHeaders.USER_AGENT, USER_AGENT_SHIKIMORI)
-		storage.accessToken?.let {
-			request.header(CommonHeaders.AUTHORIZATION, "Bearer $it")
+		if (!sourceRequest.url.pathSegments.contains("oauth")) {
+			storage.accessToken?.let {
+				request.header(CommonHeaders.AUTHORIZATION, "Bearer $it")
+			}
 		}
 		val response = chain.proceed(request.build())
 		if (!response.isSuccessful && !response.isRedirect) {
@@ -21,4 +24,4 @@ class ShikimoriInterceptor(private val storage: ShikimoriStorage) : Interceptor
 		}
 		return response
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriRepository.kt

@@ -40,13 +40,14 @@ class ShikimoriRepository(
 
 	suspend fun authorize(code: String?) {
 		val body = FormBody.Builder()
-		body.add("grant_type", "authorization_code")
 		body.add("client_id", BuildConfig.SHIKIMORI_CLIENT_ID)
 		body.add("client_secret", BuildConfig.SHIKIMORI_CLIENT_SECRET)
 		if (code != null) {
+			body.add("grant_type", "authorization_code")
 			body.add("redirect_uri", REDIRECT_URI)
 			body.add("code", code)
 		} else {
+			body.add("grant_type", "refresh_token")
 			body.add("refresh_token", checkNotNull(storage.refreshToken))
 		}
 		val request = Request.Builder()

app/src/main/java/org/koitharu/kotatsu/scrobbling/ui/selector/ScrobblingSelectorBottomSheet.kt

@@ -26,6 +26,7 @@ import org.koitharu.kotatsu.scrobbling.ui.selector.adapter.ShikiMangaSelectionDe
 import org.koitharu.kotatsu.scrobbling.ui.selector.adapter.ShikimoriSelectorAdapter
 import org.koitharu.kotatsu.utils.ext.assistedViewModels
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
+import org.koitharu.kotatsu.utils.ext.requireParcelable
 import org.koitharu.kotatsu.utils.ext.withArgs
 
 @AndroidEntryPoint
@@ -47,7 +48,7 @@ class ScrobblingSelectorBottomSheet :
 
 	private val viewModel by assistedViewModels {
 		viewModelFactory.create(
-			requireNotNull(requireArguments().getParcelable<ParcelableManga>(MangaIntent.KEY_MANGA)).manga,
+			requireArguments().requireParcelable<ParcelableManga>(MangaIntent.KEY_MANGA).manga,
 		)
 	}
 
@@ -84,7 +85,7 @@ class ScrobblingSelectorBottomSheet :
 			dismiss()
 		}
 		viewModel.searchQuery.observe(viewLifecycleOwner) {
-			binding.headerBar.toolbar.subtitle = it
+			binding.headerBar.subtitle = it
 		}
 	}
 
@@ -102,7 +103,7 @@ class ScrobblingSelectorBottomSheet :
 		viewModel.loadList(append = true)
 	}
 
-	override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
+	override fun onMenuItemActionExpand(item: MenuItem): Boolean {
 		setExpanded(isExpanded = true, isLocked = true)
 		return true
 	}

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

@@ -17,6 +17,7 @@ import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.remotelist.ui.RemoteListFragment
+import org.koitharu.kotatsu.utils.ext.getParcelableExtraCompat
 
 @AndroidEntryPoint
 class MangaListActivity :
@@ -29,7 +30,7 @@ class MangaListActivity :
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		setContentView(ActivityContainerBinding.inflate(layoutInflater))
-		val tags = intent.getParcelableExtra<ParcelableMangaTags>(EXTRA_TAGS)?.tags
+		val tags = intent.getParcelableExtraCompat<ParcelableMangaTags>(EXTRA_TAGS)?.tags
 		supportActionBar?.setDisplayHomeAsUpEnabled(true)
 		val source = intent.getSerializableExtra(EXTRA_SOURCE) as? MangaSource ?: tags?.firstOrNull()?.source
 		if (source == null) {

app/src/main/java/org/koitharu/kotatsu/settings/AppUpdateChecker.kt

@@ -1,110 +0,0 @@
-package org.koitharu.kotatsu.settings
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.content.Intent
-import android.content.pm.PackageManager
-import androidx.activity.ComponentActivity
-import androidx.annotation.MainThread
-import androidx.core.net.toUri
-import com.google.android.material.R as materialR
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import java.io.ByteArrayInputStream
-import java.io.InputStream
-import java.security.MessageDigest
-import java.security.cert.CertificateFactory
-import java.security.cert.X509Certificate
-import java.util.concurrent.TimeUnit
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-import org.koitharu.kotatsu.BuildConfig
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.github.AppUpdateRepository
-import org.koitharu.kotatsu.core.github.AppVersion
-import org.koitharu.kotatsu.core.github.VersionId
-import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.parsers.util.byte2HexFormatted
-import org.koitharu.kotatsu.utils.FileSize
-import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
-
-@Deprecated("")
-class AppUpdateChecker(private val activity: ComponentActivity) {
-
-	private val settings: AppSettings = TODO()
-	private val repo: AppUpdateRepository = TODO()
-
-	suspend fun checkIfNeeded(): Boolean? = if (
-		settings.isUpdateCheckingEnabled &&
-		settings.lastUpdateCheckTimestamp + PERIOD < System.currentTimeMillis()
-	) {
-		checkNow()
-	} else {
-		null
-	}
-
-	suspend fun checkNow() = runCatching {
-		val version = repo.fetchUpdate() ?: return@runCatching false
-		val newVersionId = VersionId(version.name)
-		val currentVersionId = VersionId(BuildConfig.VERSION_NAME)
-		val result = newVersionId > currentVersionId
-		if (result) {
-			withContext(Dispatchers.Main) {
-				showUpdateDialog(version)
-			}
-		}
-		settings.lastUpdateCheckTimestamp = System.currentTimeMillis()
-		result
-	}.onFailure {
-		it.printStackTraceDebug()
-	}.getOrNull()
-
-	@MainThread
-	private fun showUpdateDialog(version: AppVersion) {
-		val message = buildString {
-			append(activity.getString(R.string.new_version_s, version.name))
-			appendLine()
-			append(activity.getString(R.string.size_s, FileSize.BYTES.format(activity, version.apkSize)))
-			appendLine()
-			appendLine()
-			append(version.description)
-		}
-		MaterialAlertDialogBuilder(activity, materialR.style.ThemeOverlay_Material3_MaterialAlertDialog_Centered)
-			.setTitle(R.string.app_update_available)
-			.setMessage(message)
-			.setIcon(R.drawable.ic_app_update)
-			.setPositiveButton(R.string.download) { _, _ ->
-				val intent = Intent(Intent.ACTION_VIEW, version.apkUrl.toUri())
-				activity.startActivity(Intent.createChooser(intent, activity.getString(R.string.open_in_browser)))
-			}
-			.setNegativeButton(R.string.close, null)
-			.setCancelable(false)
-			.create()
-			.show()
-	}
-
-	companion object {
-
-		private const val CERT_SHA1 = "2C:19:C7:E8:07:61:2B:8E:94:51:1B:FD:72:67:07:64:5D:C2:58:AE"
-		private val PERIOD = TimeUnit.HOURS.toMillis(6)
-
-		fun isUpdateSupported(context: Context): Boolean {
-			return BuildConfig.DEBUG || getCertificateSHA1Fingerprint(context) == CERT_SHA1
-		}
-
-		@Suppress("DEPRECATION")
-		@SuppressLint("PackageManagerGetSignatures")
-		private fun getCertificateSHA1Fingerprint(context: Context): String? = runCatching {
-			val packageInfo = context.packageManager.getPackageInfo(context.packageName, PackageManager.GET_SIGNATURES)
-			val signatures = requireNotNull(packageInfo?.signatures)
-			val cert: ByteArray = signatures.first().toByteArray()
-			val input: InputStream = ByteArrayInputStream(cert)
-			val cf = CertificateFactory.getInstance("X509")
-			val c = cf.generateCertificate(input) as X509Certificate
-			val md: MessageDigest = MessageDigest.getInstance("SHA1")
-			val publicKey: ByteArray = md.digest(c.encoded)
-			return publicKey.byte2HexFormatted()
-		}.onFailure { error ->
-			error.printStackTraceDebug()
-		}.getOrNull()
-	}
-}

app/src/main/java/org/koitharu/kotatsu/settings/HistorySettingsFragment.kt

@@ -13,6 +13,7 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BasePreferenceFragment
 import org.koitharu.kotatsu.core.network.AndroidCookieJar
+import org.koitharu.kotatsu.core.os.ShortcutsUpdater
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.LocalStorageManager
@@ -41,8 +42,13 @@ class HistorySettingsFragment : BasePreferenceFragment(R.string.history_and_cach
 	@Inject
 	lateinit var cookieJar: AndroidCookieJar
 
+	@Inject
+	lateinit var shortcutsUpdater: ShortcutsUpdater
+
 	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
 		addPreferencesFromResource(R.xml.pref_history)
+		findPreference<Preference>(AppSettings.KEY_SHORTCUTS)?.isVisible =
+			shortcutsUpdater.isDynamicShortcutsAvailable()
 	}
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/org/koitharu/kotatsu/settings/SourceSettingsFragment.kt

@@ -2,6 +2,8 @@ package org.koitharu.kotatsu.settings
 
 import android.os.Bundle
 import android.view.View
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
 import androidx.preference.Preference
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
@@ -53,7 +55,7 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 		super.onViewCreated(view, savedInstanceState)
 		findPreference<Preference>(KEY_AUTH)?.run {
 			if (isVisible) {
-				loadUsername(this)
+				loadUsername(viewLifecycleOwner, this)
 			}
 		}
 	}
@@ -68,7 +70,7 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 		}
 	}
 
-	private fun loadUsername(preference: Preference) = viewLifecycleScope.launch {
+	private fun loadUsername(owner: LifecycleOwner, preference: Preference) = owner.lifecycleScope.launch {
 		runCatching {
 			preference.summary = null
 			withContext(Dispatchers.Default) {
@@ -99,7 +101,8 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 		viewLifecycleScope.launch {
 			if (exceptionResolver.resolve(error)) {
 				val pref = findPreference<Preference>(KEY_AUTH) ?: return@launch
-				loadUsername(pref)
+				val lifecycleOwner = awaitViewLifecycle()
+				loadUsername(lifecycleOwner, pref)
 			}
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/settings/about/AboutSettingsFragment.kt

@@ -2,34 +2,41 @@ package org.koitharu.kotatsu.settings.about
 
 import android.content.Intent
 import android.os.Bundle
+import android.view.View
 import androidx.core.net.toUri
+import androidx.fragment.app.viewModels
 import androidx.preference.Preference
-import kotlinx.coroutines.launch
+import com.google.android.material.snackbar.Snackbar
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BasePreferenceFragment
+import org.koitharu.kotatsu.core.github.AppVersion
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.settings.AppUpdateChecker
-import org.koitharu.kotatsu.utils.ext.viewLifecycleScope
 
 class AboutSettingsFragment : BasePreferenceFragment(R.string.about) {
 
+	private val viewModel by viewModels<AboutSettingsViewModel>()
+
 	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
 		addPreferencesFromResource(R.xml.pref_about)
-		val isUpdateSupported = AppUpdateChecker.isUpdateSupported(requireContext())
-		findPreference<Preference>(AppSettings.KEY_APP_UPDATE_AUTO)?.run {
-			isVisible = isUpdateSupported
-		}
 		findPreference<Preference>(AppSettings.KEY_APP_VERSION)?.run {
 			title = getString(R.string.app_version, BuildConfig.VERSION_NAME)
-			isEnabled = isUpdateSupported
+			isEnabled = viewModel.isUpdateSupported
 		}
 	}
 
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		viewModel.isLoading.observe(viewLifecycleOwner) {
+			findPreference<Preference>(AppSettings.KEY_APP_UPDATE)?.isEnabled = !it
+		}
+		viewModel.onUpdateAvailable.observe(viewLifecycleOwner, ::onUpdateAvailable)
+	}
+
 	override fun onPreferenceTreeClick(preference: Preference): Boolean {
 		return when (preference.key) {
 			AppSettings.KEY_APP_VERSION -> {
-				checkForUpdates()
+				viewModel.checkForUpdates()
 				true
 			}
 			AppSettings.KEY_APP_TRANSLATION -> {
@@ -40,24 +47,12 @@ class AboutSettingsFragment : BasePreferenceFragment(R.string.about) {
 		}
 	}
 
-	private fun checkForUpdates() {
-		viewLifecycleScope.launch {
-			findPreference<Preference>(AppSettings.KEY_APP_VERSION)?.run {
-				setSummary(R.string.checking_for_updates)
-				isSelectable = false
-			}
-			val result = AppUpdateChecker(activity ?: return@launch).checkNow()
-			findPreference<Preference>(AppSettings.KEY_APP_VERSION)?.run {
-				setSummary(
-					when (result) {
-						true -> R.string.check_for_updates
-						false -> R.string.no_update_available
-						null -> R.string.update_check_failed
-					}
-				)
-				isSelectable = true
-			}
+	private fun onUpdateAvailable(version: AppVersion?) {
+		if (version == null) {
+			Snackbar.make(listView, R.string.no_update_available, Snackbar.LENGTH_SHORT).show()
+			return
 		}
+		AppUpdateDialog(context ?: return).show(version)
 	}
 
 	private fun openLink(url: String, title: CharSequence?) {
@@ -68,7 +63,7 @@ class AboutSettingsFragment : BasePreferenceFragment(R.string.about) {
 				Intent.createChooser(intent, title)
 			} else {
 				intent
-			}
+			},
 		)
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/settings/about/AboutSettingsViewModel.kt

@@ -0,0 +1,24 @@
+package org.koitharu.kotatsu.settings.about
+
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
+import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.core.github.AppUpdateRepository
+import org.koitharu.kotatsu.core.github.AppVersion
+import org.koitharu.kotatsu.utils.SingleLiveEvent
+
+@HiltViewModel
+class AboutSettingsViewModel @Inject constructor(
+	private val appUpdateRepository: AppUpdateRepository,
+) : BaseViewModel() {
+
+	val isUpdateSupported = appUpdateRepository.isUpdateSupported()
+	val onUpdateAvailable = SingleLiveEvent<AppVersion?>()
+
+	fun checkForUpdates() {
+		launchLoadingJob {
+			val update = appUpdateRepository.fetchUpdate()
+			onUpdateAvailable.call(update)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/settings/about/AppUpdateDialog.kt

@@ -0,0 +1,39 @@
+package org.koitharu.kotatsu.settings.about
+
+import android.content.Context
+import android.content.Intent
+import androidx.core.net.toUri
+import com.google.android.material.R as materialR
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.github.AppVersion
+import org.koitharu.kotatsu.utils.FileSize
+
+class AppUpdateDialog(private val context: Context) {
+
+	fun show(version: AppVersion) {
+		val message = buildString {
+			append(context.getString(R.string.new_version_s, version.name))
+			appendLine()
+			append(context.getString(R.string.size_s, FileSize.BYTES.format(context, version.apkSize)))
+			appendLine()
+			appendLine()
+			append(version.description)
+		}
+		MaterialAlertDialogBuilder(
+			context,
+			materialR.style.ThemeOverlay_Material3_MaterialAlertDialog_Centered,
+		)
+			.setTitle(R.string.app_update_available)
+			.setMessage(message)
+			.setIcon(R.drawable.ic_app_update)
+			.setPositiveButton(R.string.download) { _, _ ->
+				val intent = Intent(Intent.ACTION_VIEW, version.apkUrl.toUri())
+				context.startActivity(Intent.createChooser(intent, context.getString(R.string.open_in_browser)))
+			}
+			.setNegativeButton(R.string.close, null)
+			.setCancelable(false)
+			.create()
+			.show()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/settings/backup/BackupDialogFragment.kt

@@ -51,8 +51,9 @@ class BackupDialogFragment : AlertDialogFragment<DialogProgressBinding>() {
 		viewModel.onError.observe(viewLifecycleOwner, this::onError)
 	}
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder.setCancelable(false)
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setCancelable(false)
 			.setNegativeButton(android.R.string.cancel, null)
 	}
 

app/src/main/java/org/koitharu/kotatsu/settings/backup/RestoreDialogFragment.kt

@@ -44,8 +44,9 @@ class RestoreDialogFragment : AlertDialogFragment<DialogProgressBinding>() {
 		viewModel.onError.observe(viewLifecycleOwner, this::onError)
 	}
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder.setCancelable(false)
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
+			.setCancelable(false)
 	}
 
 	private fun onError(e: Throwable) {

app/src/main/java/org/koitharu/kotatsu/settings/newsources/NewSourcesDialogFragment.kt

@@ -43,8 +43,8 @@ class NewSourcesDialogFragment :
 		viewModel.sources.observe(viewLifecycleOwner) { adapter.items = it }
 	}
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		return super.onBuildDialog(builder)
 			.setPositiveButton(R.string.done, this)
 			.setCancelable(true)
 			.setTitle(R.string.remote_sources)

app/src/main/java/org/koitharu/kotatsu/settings/onboard/OnboardDialogFragment.kt

@@ -39,8 +39,8 @@ class OnboardDialogFragment :
 		container: ViewGroup?,
 	) = DialogOnboardBinding.inflate(inflater, container, false)
 
-	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
-		builder
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder): MaterialAlertDialogBuilder {
+		super.onBuildDialog(builder)
 			.setPositiveButton(R.string.done, this)
 			.setCancelable(true)
 		if (isWelcome) {
@@ -50,6 +50,7 @@ class OnboardDialogFragment :
 				.setTitle(R.string.remote_sources)
 				.setNegativeButton(android.R.string.cancel, this)
 		}
+		return builder
 	}
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/org/koitharu/kotatsu/settings/sources/SourcesSettingsFragment.kt

@@ -120,7 +120,7 @@ class SourcesSettingsFragment :
 			else -> false
 		}
 
-		override fun onMenuItemActionExpand(item: MenuItem?): Boolean {
+		override fun onMenuItemActionExpand(item: MenuItem): Boolean {
 			(activity as? AppBarOwner)?.appBar?.setExpanded(false, true)
 			return true
 		}

app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsFragment.kt

@@ -26,6 +26,7 @@ import org.koitharu.kotatsu.core.github.AppVersion
 import org.koitharu.kotatsu.databinding.FragmentToolsBinding
 import org.koitharu.kotatsu.download.ui.DownloadsActivity
 import org.koitharu.kotatsu.settings.SettingsActivity
+import org.koitharu.kotatsu.settings.about.AppUpdateDialog
 import org.koitharu.kotatsu.settings.tools.model.StorageUsage
 import org.koitharu.kotatsu.utils.FileSize
 import org.koitharu.kotatsu.utils.ext.getThemeColor
@@ -68,6 +69,10 @@ class ToolsFragment :
 				intent.data = url.toUri()
 				startActivity(Intent.createChooser(intent, getString(R.string.open_in_browser)))
 			}
+			R.id.card_update -> {
+				val version = viewModel.appUpdate.value ?: return
+				AppUpdateDialog(v.context).show(version)
+			}
 		}
 	}
 

app/src/main/java/org/koitharu/kotatsu/suggestions/ui/SuggestionsViewModel.kt

@@ -15,7 +15,7 @@ import org.koitharu.kotatsu.list.ui.model.LoadingState
 import org.koitharu.kotatsu.list.ui.model.toErrorState
 import org.koitharu.kotatsu.list.ui.model.toUi
 import org.koitharu.kotatsu.suggestions.domain.SuggestionRepository
-import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.asFlowLiveData
 import org.koitharu.kotatsu.utils.ext.onFirst
 
 @HiltViewModel
@@ -44,8 +44,8 @@ class SuggestionsViewModel @Inject constructor(
 	}.onFirst {
 		loadingCounter.decrement()
 	}.catch {
-		it.toErrorState(canRetry = false)
-	}.asLiveDataDistinct(
+		emit(listOf(it.toErrorState(canRetry = false)))
+	}.asFlowLiveData(
 		viewModelScope.coroutineContext + Dispatchers.Default,
 		listOf(LoadingState),
 	)

app/src/main/java/org/koitharu/kotatsu/tracker/data/EntityMapping.kt

@@ -5,9 +5,26 @@ import org.koitharu.kotatsu.core.db.entity.toManga
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
 import org.koitharu.kotatsu.tracker.domain.model.TrackingLogItem
 
-fun TrackLogWithManga.toTrackingLogItem() = TrackingLogItem(
-	id = trackLog.id,
-	chapters = trackLog.chapters.split('\n').filterNot { x -> x.isEmpty() },
-	manga = manga.toManga(tags.toMangaTags()),
-	createdAt = Date(trackLog.createdAt)
-)
+fun TrackLogWithManga.toTrackingLogItem(counters: MutableMap<Long, Int>): TrackingLogItem {
+	val chaptersList = trackLog.chapters.split('\n').filterNot { x -> x.isEmpty() }
+	return TrackingLogItem(
+		id = trackLog.id,
+		chapters = chaptersList,
+		manga = manga.toManga(tags.toMangaTags()),
+		createdAt = Date(trackLog.createdAt),
+		isNew = counters.decrement(trackLog.mangaId, chaptersList.size),
+	)
+}
+
+private fun MutableMap<Long, Int>.decrement(key: Long, count: Int): Boolean {
+	val counter = get(key)
+	if (counter == null || counter <= 0) {
+		return false
+	}
+	if (counter < count) {
+		remove(key)
+	} else {
+		put(key, counter - count)
+	}
+	return true
+}

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

@@ -18,6 +18,10 @@ abstract class TracksDao {
 	@Query("SELECT chapters_new FROM tracks WHERE manga_id = :mangaId")
 	abstract suspend fun findNewChapters(mangaId: Long): Int?
 
+	@MapInfo(keyColumn = "manga_id", valueColumn = "chapters_new")
+	@Query("SELECT manga_id, chapters_new FROM tracks")
+	abstract fun observeNewChaptersMap(): Flow<Map<Long, Int>>
+
 	@Query("SELECT chapters_new FROM tracks")
 	abstract fun observeNewChapters(): Flow<List<Int>>
 

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

@@ -5,6 +5,8 @@ import androidx.room.withTransaction
 import java.util.*
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.db.entity.MangaEntity
@@ -73,9 +75,15 @@ class TrackingRepository @Inject constructor(
 		db.tracksDao.delete(mangaId)
 	}
 
-	suspend fun getTrackingLog(offset: Int, limit: Int): List<TrackingLogItem> {
-		return db.trackLogsDao.findAll(offset, limit).map { x ->
-			x.toTrackingLogItem()
+	fun observeTrackingLog(limit: Flow<Int>): Flow<List<TrackingLogItem>> {
+		return limit.flatMapLatest { limitValue ->
+			combine(
+				db.tracksDao.observeNewChaptersMap(),
+				db.trackLogsDao.observeAll(limitValue),
+			) { counters, entities ->
+				val countersMap = counters.toMutableMap()
+				entities.map { x -> x.toTrackingLogItem(countersMap) }
+			}
 		}
 	}
 

app/src/main/java/org/koitharu/kotatsu/tracker/domain/model/TrackingLogItem.kt

@@ -7,5 +7,6 @@ data class TrackingLogItem(
 	val id: Long,
 	val manga: Manga,
 	val chapters: List<String>,
-	val createdAt: Date
-)
+	val createdAt: Date,
+	val isNew: Boolean,
+)

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedFragment.kt

@@ -137,7 +137,7 @@ class FeedFragment :
 	}
 
 	override fun onScrolledToEnd() {
-		viewModel.loadList(append = true)
+		viewModel.requestMoreItems()
 	}
 
 	override fun onItemClick(item: Manga, view: View) {

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedViewModel.kt

@@ -4,44 +4,39 @@ import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import java.util.*
 import java.util.concurrent.TimeUnit
+import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.cancelAndJoin
 import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseViewModel
 import org.koitharu.kotatsu.core.ui.DateTimeAgo
 import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.list.ui.model.LoadingFooter
 import org.koitharu.kotatsu.list.ui.model.LoadingState
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.tracker.domain.model.TrackingLogItem
 import org.koitharu.kotatsu.tracker.ui.model.toFeedItem
 import org.koitharu.kotatsu.utils.SingleLiveEvent
-import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.asFlowLiveData
 import org.koitharu.kotatsu.utils.ext.daysDiff
 
+private const val PAGE_SIZE = 20
+
 @HiltViewModel
 class FeedViewModel @Inject constructor(
 	private val repository: TrackingRepository,
 ) : BaseViewModel() {
 
-	private val logList = MutableStateFlow<List<TrackingLogItem>?>(null)
-	private val hasNextPage = MutableStateFlow(false)
-	private var loadingJob: Job? = null
+	private val limit = MutableStateFlow(PAGE_SIZE)
+	private val isReady = AtomicBoolean(false)
 
 	val onFeedCleared = SingleLiveEvent<Unit>()
-	val content = combine(
-		logList.filterNotNull(),
-		hasNextPage,
-	) { list, isHasNextPage ->
-		buildList(list.size + 2) {
+	val content = repository.observeTrackingLog(limit)
+		.map { list ->
 			if (list.isEmpty()) {
-				add(
+				listOf(
 					EmptyState(
 						icon = R.drawable.ic_empty_feed,
 						textPrimary = R.string.text_empty_holder_primary,
@@ -50,48 +45,26 @@ class FeedViewModel @Inject constructor(
 					),
 				)
 			} else {
-				list.mapListTo(this)
-				if (isHasNextPage) {
-					add(LoadingFooter)
-				}
+				isReady.set(true)
+				list.mapList()
 			}
-		}
-	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
-
-	init {
-		loadList(append = false)
-	}
-
-	fun loadList(append: Boolean) {
-		if (loadingJob?.isActive == true) {
-			return
-		}
-		if (append && !hasNextPage.value) {
-			return
-		}
-		loadingJob = launchLoadingJob(Dispatchers.Default) {
-			val offset = if (append) logList.value?.size ?: 0 else 0
-			val list = repository.getTrackingLog(offset, 20)
-			if (!append) {
-				logList.value = list
-			} else if (list.isNotEmpty()) {
-				logList.value = logList.value?.plus(list) ?: list
-			}
-			hasNextPage.value = list.isNotEmpty()
-		}
-	}
+		}.asFlowLiveData(viewModelScope.coroutineContext + Dispatchers.Default, listOf(LoadingState))
 
 	fun clearFeed() {
-		val lastJob = loadingJob
-		loadingJob = launchLoadingJob(Dispatchers.Default) {
-			lastJob?.cancelAndJoin()
+		launchLoadingJob(Dispatchers.Default) {
 			repository.clearLogs()
-			logList.value = emptyList()
 			onFeedCleared.postCall(Unit)
 		}
 	}
 
-	private fun List<TrackingLogItem>.mapListTo(destination: MutableList<ListModel>) {
+	fun requestMoreItems() {
+		if (isReady.compareAndSet(true, false)) {
+			limit.value += PAGE_SIZE
+		}
+	}
+
+	private fun List<TrackingLogItem>.mapList(): List<ListModel> {
+		val destination = ArrayList<ListModel>((size * 1.4).toInt())
 		var prevDate: DateTimeAgo? = null
 		for (item in this) {
 			val date = timeAgo(item.createdAt)
@@ -101,6 +74,7 @@ class FeedViewModel @Inject constructor(
 			prevDate = date
 			destination += item.toFeedItem()
 		}
+		return destination
 	}
 
 	private fun timeAgo(date: Date): DateTimeAgo {

app/src/main/java/org/koitharu/kotatsu/tracker/ui/adapter/FeedItemAD.kt

@@ -11,22 +11,23 @@ import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.tracker.ui.model.FeedItem
 import org.koitharu.kotatsu.utils.ext.disposeImageRequest
 import org.koitharu.kotatsu.utils.ext.enqueueWith
-import org.koitharu.kotatsu.utils.ext.isLowRamDevice
+import org.koitharu.kotatsu.utils.ext.isBold
 import org.koitharu.kotatsu.utils.ext.newImageRequest
 
 fun feedItemAD(
 	coil: ImageLoader,
 	lifecycleOwner: LifecycleOwner,
-	clickListener: OnListItemClickListener<Manga>
+	clickListener: OnListItemClickListener<Manga>,
 ) = adapterDelegateViewBinding<FeedItem, ListModel, ItemFeedBinding>(
-	{ inflater, parent -> ItemFeedBinding.inflate(inflater, parent, false) }
+	{ inflater, parent -> ItemFeedBinding.inflate(inflater, parent, false) },
 ) {
-
 	itemView.setOnClickListener {
 		clickListener.onItemClick(item.manga, it)
 	}
 
 	bind {
+		binding.textViewTitle.isBold = item.isNew
+		binding.textViewSummary.isBold = item.isNew
 		binding.imageViewCover.newImageRequest(item.imageUrl)?.run {
 			placeholder(R.drawable.ic_placeholder)
 			fallback(R.drawable.ic_placeholder)

app/src/main/java/org/koitharu/kotatsu/tracker/ui/model/FeedItem.kt

@@ -9,4 +9,5 @@ data class FeedItem(
 	val title: String,
 	val manga: Manga,
 	val count: Int,
-) : ListModel
+	val isNew: Boolean,
+) : ListModel

app/src/main/java/org/koitharu/kotatsu/tracker/ui/model/ListModelConversionExt.kt

@@ -8,4 +8,5 @@ fun TrackingLogItem.toFeedItem() = FeedItem(
 	title = manga.title,
 	count = chapters.size,
 	manga = manga,
-)
+	isNew = isNew,
+)

app/src/main/java/org/koitharu/kotatsu/utils/GridTouchHelper.kt

@@ -7,7 +7,7 @@ import kotlin.math.roundToInt
 
 class GridTouchHelper(
 	context: Context,
-	private val listener: OnGridTouchListener
+	private val listener: OnGridTouchListener,
 ) : GestureDetector.SimpleOnGestureListener() {
 
 	private val detector = GestureDetector(context, this)
@@ -16,7 +16,7 @@ class GridTouchHelper(
 	private var isDispatching = false
 
 	init {
-		detector.setIsLongpressEnabled(false)
+		detector.setIsLongpressEnabled(true)
 		detector.setOnDoubleTapListener(this)
 	}
 
@@ -46,7 +46,7 @@ class GridTouchHelper(
 				}
 				2 -> AREA_RIGHT
 				else -> return false
-			}
+			},
 		)
 		return true
 	}
@@ -66,4 +66,4 @@ class GridTouchHelper(
 
 		fun onProcessTouch(rawX: Int, rawY: Int): Boolean
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/utils/IdlingDetector.kt

@@ -0,0 +1,37 @@
+package org.koitharu.kotatsu.utils
+
+import android.os.Handler
+import android.os.Looper
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+
+class IdlingDetector(
+	private val timeoutMs: Long,
+	private val callback: Callback,
+) : DefaultLifecycleObserver {
+
+	private val handler = Handler(Looper.getMainLooper())
+	private val idleRunnable = Runnable {
+		callback.onIdle()
+	}
+
+	fun bindToLifecycle(owner: LifecycleOwner) {
+		owner.lifecycle.addObserver(this)
+	}
+
+	fun onUserInteraction() {
+		handler.removeCallbacks(idleRunnable)
+		handler.postDelayed(idleRunnable, timeoutMs)
+	}
+
+	override fun onDestroy(owner: LifecycleOwner) {
+		super.onDestroy(owner)
+		owner.lifecycle.removeObserver(this)
+		handler.removeCallbacks(idleRunnable)
+	}
+
+	fun interface Callback {
+
+		fun onIdle()
+	}
+}

app/src/main/java/org/koitharu/kotatsu/utils/ext/Bundle.kt

@@ -0,0 +1,46 @@
+package org.koitharu.kotatsu.utils.ext
+
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.os.Parcelable
+import java.io.Serializable
+
+@Suppress("DEPRECATION")
+inline fun <reified T : Parcelable> Bundle.getParcelableCompat(key: String): T? {
+	return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+		getParcelable(key, T::class.java)
+	} else {
+		getParcelable(key) as? T
+	}
+}
+
+@Suppress("DEPRECATION")
+inline fun <reified T : Parcelable> Intent.getParcelableExtraCompat(key: String): T? {
+	return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+		getParcelableExtra(key, T::class.java)
+	} else {
+		getParcelableExtra(key) as? T
+	}
+}
+
+@Suppress("DEPRECATION")
+inline fun <reified T : Serializable> Bundle.getSerializableCompat(key: String): T? {
+	return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+		getSerializable(key, T::class.java)
+	} else {
+		getSerializable(key) as? T
+	}
+}
+
+inline fun <reified T : Serializable> Bundle.requireSerializable(key: String): T {
+	return checkNotNull(getSerializableCompat(key)) {
+		"Serializable of type \"${T::class.java.name}\" not found at \"$key\""
+	}
+}
+
+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\""
+	}
+}