Increase version

Currently translated at 87.9% (219 of 249 strings)

Translation: Kotatsu/Strings
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/nb_NO/

.idea/gradle.xml

@@ -14,7 +14,6 @@
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>

app/build.gradle

@@ -13,8 +13,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 31
-		versionCode 370
-		versionName '2.0-b2'
+		versionCode 376
+		versionName '2.1'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -59,46 +59,45 @@ tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
 		jvmTarget = JavaVersion.VERSION_1_8.toString()
 		freeCompilerArgs += [
 				'-Xopt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
-				'-Xopt-in=kotlinx.coroutines.FlowPreview',
-				'-Xopt-in=org.koin.core.component.KoinApiExtension'
+				'-Xopt-in=kotlin.contracts.ExperimentalContracts',
 		]
 	}
 }
 dependencies {
 	implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.2'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0'
 
-	implementation 'androidx.core:core-ktx:1.6.0'
-	implementation 'androidx.activity:activity-ktx:1.3.1'
-	implementation 'androidx.fragment:fragment-ktx:1.3.6'
-	implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.3.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.3.1'
-	implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
+	implementation 'androidx.core:core-ktx:1.7.0'
+	implementation 'androidx.activity:activity-ktx:1.4.0'
+	implementation 'androidx.fragment:fragment-ktx:1.4.0'
+	implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.4.0'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.0'
+	implementation 'androidx.lifecycle:lifecycle-service:2.4.0'
+	implementation 'androidx.lifecycle:lifecycle-process:2.4.0'
+	implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
 	implementation 'androidx.recyclerview:recyclerview:1.2.1'
 	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta01'
 	implementation 'androidx.preference:preference-ktx:1.1.1'
-	implementation 'androidx.work:work-runtime-ktx:2.7.0'
+	implementation 'androidx.work:work-runtime-ktx:2.7.1'
 	implementation 'com.google.android.material:material:1.4.0'
 	//noinspection LifecycleAnnotationProcessorWithJava8
-	kapt 'androidx.lifecycle:lifecycle-compiler:2.3.1'
+	kapt 'androidx.lifecycle:lifecycle-compiler:2.4.0'
 
-	implementation 'androidx.room:room-runtime:2.3.0'
-	implementation 'androidx.room:room-ktx:2.3.0'
-	kapt 'androidx.room:room-compiler:2.3.0'
+	implementation 'androidx.room:room-runtime:2.4.0'
+	implementation 'androidx.room:room-ktx:2.4.0'
+	kapt 'androidx.room:room-compiler:2.4.0'
 
 	implementation 'com.squareup.okhttp3:okhttp:4.9.1'
 	implementation 'com.squareup.okio:okio:2.10.0'
 	implementation 'org.jsoup:jsoup:1.14.3'
 
-	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.0'
-	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.0'
+	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.1'
+	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.1'
 
-	implementation 'io.insert-koin:koin-android:3.1.2'
+	implementation 'io.insert-koin:koin-android:3.1.4'
 	implementation 'io.coil-kt:coil-base:1.4.0'
 	implementation 'com.davemorrissey.labs:subsampling-scale-image-view-androidx:3.10.0'
 	implementation 'com.github.solkin:disk-lru-cache:1.3'
@@ -107,14 +106,14 @@ dependencies {
 
 	testImplementation 'junit:junit:4.13.2'
 	testImplementation 'com.google.truth:truth:1.1.3'
-	testImplementation 'org.json:json:20210307'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.5.2'
-	testImplementation 'io.insert-koin:koin-test-junit4:3.1.2'
+	testImplementation 'org.json:json:20211205'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.0'
+	testImplementation 'io.insert-koin:koin-test-junit4:3.1.4'
 
 	androidTestImplementation 'androidx.test:runner:1.4.0'
 	androidTestImplementation 'androidx.test:rules:1.4.0'
 	androidTestImplementation 'androidx.test:core-ktx:1.4.0'
 	androidTestImplementation 'androidx.test.ext:junit-ktx:1.1.3'
-	androidTestImplementation 'androidx.room:room-testing:2.3.0'
+	androidTestImplementation 'androidx.room:room-testing:2.4.0'
 	androidTestImplementation 'com.google.truth:truth:1.1.3'
 }

app/proguard-rules.pro

@@ -5,9 +5,7 @@
 	public static void checkReturnedValueIsNotNull(...);
 	public static void checkFieldIsNotNull(...);
 	public static void checkParameterIsNotNull(...);
+	public static void checkNotNullParameter(...);
 }
 -keep class org.koitharu.kotatsu.core.db.entity.* { *; }
--keepclassmembers public class * extends org.koitharu.kotatsu.core.parser.MangaRepository {
-	public <init>(...);
-}
 -dontwarn okhttp3.internal.platform.ConscryptPlatform

app/src/main/AndroidManifest.xml

@@ -99,6 +99,7 @@
 		<activity
 			android:name="org.koitharu.kotatsu.download.ui.DownloadsActivity"
 			android:label="@string/downloads" />
+		<activity android:name=".image.ui.ImageActivity"/>
 
 		<service
 			android:name="org.koitharu.kotatsu.download.ui.service.DownloadService"

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

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu
 import android.app.Application
 import android.os.StrictMode
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.fragment.app.strictmode.FragmentStrictMode
 import org.koin.android.ext.android.get
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
@@ -65,7 +66,7 @@ class KotatsuApp : Application() {
 				trackerModule,
 				settingsModule,
 				readerModule,
-				appWidgetModule
+				appWidgetModule,
 			)
 		}
 	}
@@ -86,5 +87,12 @@ class KotatsuApp : Application() {
 				.penaltyLog()
 				.build()
 		)
+		FragmentStrictMode.defaultPolicy = FragmentStrictMode.Policy.Builder()
+			.penaltyDeath()
+			.detectFragmentReuse()
+			.detectWrongFragmentContainer()
+			.detectRetainInstanceUsage()
+			.detectSetUserVisibleHint()
+			.build()
 	}
 }

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

@@ -5,7 +5,7 @@ import android.net.Uri
 import android.os.Bundle
 import org.koitharu.kotatsu.core.model.Manga
 
-data class MangaIntent(
+class MangaIntent(
 	val manga: Manga?,
 	val mangaId: Long,
 	val uri: Uri?

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

@@ -1,15 +1,21 @@
 package org.koitharu.kotatsu.base.domain
 
 import okhttp3.*
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.RequestBody.Companion.toRequestBody
+import org.json.JSONObject
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.get
+import org.koitharu.kotatsu.core.exceptions.GraphQLException
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.prefs.SourceSettings
 import org.koitharu.kotatsu.utils.ext.await
+import org.koitharu.kotatsu.utils.ext.parseJson
+
 
 open class MangaLoaderContext(
 	private val okHttp: OkHttpClient,
-	val cookieJar: CookieJar
+	val cookieJar: CookieJar,
 ) : KoinComponent {
 
 	suspend fun httpGet(url: String, headers: Headers? = null): Response {
@@ -24,7 +30,7 @@ open class MangaLoaderContext(
 
 	suspend fun httpPost(
 		url: String,
-		form: Map<String, String>
+		form: Map<String, String>,
 	): Response {
 		val body = FormBody.Builder()
 		form.forEach { (k, v) ->
@@ -38,7 +44,7 @@ open class MangaLoaderContext(
 
 	suspend fun httpPost(
 		url: String,
-		payload: String
+		payload: String,
 	): Response {
 		val body = FormBody.Builder()
 		payload.split('&').forEach {
@@ -55,10 +61,24 @@ open class MangaLoaderContext(
 		return okHttp.newCall(request.build()).await()
 	}
 
-	open fun getSettings(source: MangaSource) = SourceSettings(get(), source)
-
-	private companion object {
-
-		private const val SCHEME_HTTP = "http"
+	suspend fun graphQLQuery(endpoint: String, query: String): JSONObject {
+		val body = JSONObject()
+		body.put("operationName", null)
+		body.put("variables", JSONObject())
+		body.put("query", "{${query}}")
+		val mediaType = "application/json; charset=utf-8".toMediaType()
+		val requestBody = body.toString().toRequestBody(mediaType)
+		val request = Request.Builder()
+			.post(requestBody)
+			.url(endpoint)
+		val json = okHttp.newCall(request.build()).await().parseJson()
+		json.optJSONArray("errors")?.let {
+			if (it.length() != 0) {
+				throw GraphQLException(it)
+			}
+		}
+		return json
 	}
+
+	open fun getSettings(source: MangaSource) = SourceSettings(get(), source)
 }

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

@@ -8,7 +8,6 @@ object MangaProviderFactory {
 	fun getSources(settings: AppSettings, includeHidden: Boolean): List<MangaSource> {
 		val list = MangaSource.values().toList() - MangaSource.LOCAL
 		val order = settings.sourcesOrder
-		val hidden = settings.hiddenSources
 		val sorted = list.sortedBy { x ->
 			val e = order.indexOf(x.ordinal)
 			if (e == -1) order.size + x.ordinal else e
@@ -16,6 +15,7 @@ object MangaProviderFactory {
 		return if (includeHidden) {
 			sorted
 		} else {
+			val hidden = settings.hiddenSources
 			sorted.filterNot { x ->
 				x.name in hidden
 			}

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

@@ -7,7 +7,6 @@ import android.view.ViewGroup
 import android.widget.BaseAdapter
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.databinding.ItemStorageBinding
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository

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

@@ -6,11 +6,10 @@ import android.text.InputFilter
 import android.view.LayoutInflater
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.databinding.DialogInputBinding
 
 class TextInputDialog private constructor(
-	private val delegate: AlertDialog
+	private val delegate: AlertDialog,
 ) : DialogInterface by delegate {
 
 	fun show() = delegate.show()
@@ -33,7 +32,7 @@ class TextInputDialog private constructor(
 		}
 
 		fun setHint(@StringRes hintResId: Int): Builder {
-			binding.inputLayout.hint = binding.root.context.getString(hintResId)
+			binding.inputEdit.hint = binding.root.context.getString(hintResId)
 			return this
 		}
 
@@ -64,7 +63,7 @@ class TextInputDialog private constructor(
 			listener: (DialogInterface, String) -> Unit
 		): Builder {
 			delegate.setPositiveButton(textId) { dialog, _ ->
-				listener(dialog, binding.inputEdit.text.toString().orEmpty())
+				listener(dialog, binding.inputEdit.text?.toString().orEmpty())
 			}
 			return this
 		}

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

@@ -1,26 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list
-
-import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.RecyclerView
-import java.util.*
-
-@Deprecated("")
-class AdapterUpdater<T>(oldList: List<T>, newList: List<T>, getId: (T) -> Long) {
-
-	private val diff = DiffUtil.calculateDiff(object : DiffUtil.Callback() {
-
-		override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int) =
-			getId(oldList[oldItemPosition]) == getId(newList[newItemPosition])
-
-		override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int) =
-			Objects.equals(oldList[oldItemPosition], newList[newItemPosition])
-
-		override fun getOldListSize() = oldList.size
-
-		override fun getNewListSize() = newList.size
-	})
-
-	operator fun invoke(adapter: RecyclerView.Adapter<*>) {
-		diff.dispatchUpdatesTo(adapter)
-	}
-}

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

@@ -1,28 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list
-
-import androidx.recyclerview.widget.RecyclerView
-import androidx.viewbinding.ViewBinding
-import org.koin.core.component.KoinComponent
-
-@Deprecated("")
-abstract class BaseViewHolder<T, E, B : ViewBinding> protected constructor(val binding: B) :
-	RecyclerView.ViewHolder(binding.root), KoinComponent {
-
-	var boundData: T? = null
-		private set
-
-	val context get() = itemView.context!!
-
-	fun bind(data: T, extra: E) {
-		boundData = data
-		onBind(data, extra)
-	}
-
-	fun requireData(): T {
-		return boundData ?: throw IllegalStateException("Calling requireData() before bind()")
-	}
-
-	open fun onRecycled() = Unit
-
-	abstract fun onBind(data: T, extra: E)
-}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/decor/AbstractDividerItemDecoration.kt

@@ -0,0 +1,65 @@
+package org.koitharu.kotatsu.base.ui.list.decor
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Rect
+import android.view.View
+import androidx.core.view.children
+import androidx.recyclerview.widget.RecyclerView
+import org.koitharu.kotatsu.utils.ext.getThemeDrawable
+import kotlin.math.roundToInt
+
+abstract class AbstractDividerItemDecoration(context: Context) : RecyclerView.ItemDecoration() {
+
+	private val bounds = Rect()
+	private val divider = context.getThemeDrawable(android.R.attr.listDivider)
+
+	override fun getItemOffsets(
+		outRect: Rect,
+		view: View,
+		parent: RecyclerView,
+		state: RecyclerView.State,
+	) {
+		outRect.set(0, divider?.intrinsicHeight ?: 0, 0, 0)
+	}
+
+	// TODO implement for horizontal lists on demand
+	override fun onDraw(canvas: Canvas, parent: RecyclerView, s: RecyclerView.State) {
+		if (parent.layoutManager == null || divider == null) {
+			return
+		}
+		canvas.save()
+		val left: Int
+		val right: Int
+		if (parent.clipToPadding) {
+			left = parent.paddingLeft
+			right = parent.width - parent.paddingRight
+			canvas.clipRect(
+				left, parent.paddingTop, right,
+				parent.height - parent.paddingBottom
+			)
+		} else {
+			left = 0
+			right = parent.width
+		}
+
+		var previous: RecyclerView.ViewHolder? = null
+		for (child in parent.children) {
+			val holder = parent.getChildViewHolder(child)
+			if (previous != null && shouldDrawDivider(previous, holder)) {
+				parent.getDecoratedBoundsWithMargins(child, bounds)
+				val top: Int = bounds.top + child.translationY.roundToInt()
+				val bottom: Int = top + divider.intrinsicHeight
+				divider.setBounds(left, top, right, bottom)
+				divider.draw(canvas)
+			}
+			previous = holder
+		}
+		canvas.restore()
+	}
+
+	protected abstract fun shouldDrawDivider(
+		above: RecyclerView.ViewHolder,
+		below: RecyclerView.ViewHolder,
+	): Boolean
+}

app/src/main/java/org/koitharu/kotatsu/base/ui/list/decor/SectionItemDecoration.kt

@@ -1,96 +0,0 @@
-package org.koitharu.kotatsu.base.ui.list.decor
-
-import android.graphics.Canvas
-import android.graphics.Rect
-import android.view.View
-import android.view.ViewGroup
-import android.widget.TextView
-import androidx.core.view.children
-import androidx.recyclerview.widget.RecyclerView
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.utils.ext.inflate
-import kotlin.math.max
-
-/**
- * https://github.com/paetztm/recycler_view_headers
- */
-class SectionItemDecoration(
-	private val isSticky: Boolean,
-	private val callback: Callback
-) : RecyclerView.ItemDecoration() {
-
-	private var headerView: TextView? = null
-	private var headerOffset: Int = 0
-
-	override fun getItemOffsets(
-		outRect: Rect,
-		view: View,
-		parent: RecyclerView,
-		state: RecyclerView.State
-	) {
-		if (headerOffset == 0) {
-			headerOffset = parent.resources.getDimensionPixelSize(R.dimen.header_height)
-		}
-		val pos = parent.getChildAdapterPosition(view)
-		outRect.set(0, if (callback.isSection(pos)) headerOffset else 0, 0, 0)
-	}
-
-	override fun onDrawOver(c: Canvas, parent: RecyclerView, state: RecyclerView.State) {
-		super.onDrawOver(c, parent, state)
-		val textView = headerView ?: parent.inflate<TextView>(R.layout.item_filter_header).also {
-			headerView = it
-		}
-		fixLayoutSize(textView, parent)
-
-		for (child in parent.children) {
-			val pos = parent.getChildAdapterPosition(child)
-			if (callback.isSection(pos)) {
-				textView.text = callback.getSectionTitle(pos) ?: continue
-				c.save()
-				if (isSticky) {
-					c.translate(
-						0f,
-						max(0f, (child.top - textView.height).toFloat())
-					)
-				} else {
-					c.translate(
-						0f,
-						(child.top - textView.height).toFloat()
-					)
-				}
-				textView.draw(c)
-				c.restore()
-			}
-		}
-	}
-
-	/**
-	 * Measures the header view to make sure its size is greater than 0 and will be drawn
-	 * https://yoda.entelect.co.za/view/9627/how-to-android-recyclerview-item-decorations
-	 */
-	private fun fixLayoutSize(view: View, parent: ViewGroup) {
-		val widthSpec = View.MeasureSpec.makeMeasureSpec(parent.width, View.MeasureSpec.EXACTLY)
-		val heightSpec =
-			View.MeasureSpec.makeMeasureSpec(parent.height, View.MeasureSpec.UNSPECIFIED)
-
-		val childWidth = ViewGroup.getChildMeasureSpec(
-			widthSpec,
-			parent.paddingLeft + parent.paddingRight,
-			view.layoutParams.width
-		)
-		val childHeight = ViewGroup.getChildMeasureSpec(
-			heightSpec,
-			parent.paddingTop + parent.paddingBottom,
-			view.layoutParams.height
-		)
-		view.measure(childWidth, childHeight)
-		view.layout(0, 0, view.measuredWidth, view.measuredHeight)
-	}
-
-	interface Callback {
-
-		fun isSection(position: Int): Boolean
-
-		fun getSectionTitle(position: Int): CharSequence?
-	}
-}

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

@@ -96,11 +96,32 @@ class ChipsView @JvmOverloads constructor(
 		}
 	}
 
-	data class ChipModel(
+	class ChipModel(
 		@DrawableRes val icon: Int,
 		val title: CharSequence,
 		val data: Any? = null
-	)
+	) {
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+
+			other as ChipModel
+
+			if (icon != other.icon) return false
+			if (title != other.title) return false
+			if (data != other.data) return false
+
+			return true
+		}
+
+		override fun hashCode(): Int {
+			var result = icon
+			result = 31 * result + title.hashCode()
+			result = 31 * result + data.hashCode()
+			return result
+		}
+	}
 
 	fun interface OnChipClickListener {
 

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

@@ -6,7 +6,7 @@ import android.widget.LinearLayout
 import androidx.appcompat.widget.AppCompatImageView
 import androidx.core.content.withStyledAttributes
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.utils.ext.resolveAdjustedSize
+import kotlin.math.roundToInt
 
 
 class CoverImageView @JvmOverloads constructor(
@@ -17,47 +17,22 @@ class CoverImageView @JvmOverloads constructor(
 
 	init {
 		context.withStyledAttributes(attrs, R.styleable.CoverImageView, defStyleAttr) {
-			orientation = getInt(R.styleable.CoverImageView_android_orientation, HORIZONTAL)
+			orientation = getInt(R.styleable.CoverImageView_android_orientation, orientation)
 		}
 	}
 
 	override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
-		val w: Int
-		val h: Int
+		super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+		val desiredWidth: Int
+		val desiredHeight: Int
 		if (orientation == VERTICAL) {
-			val desiredHeight = (drawable?.intrinsicHeight?.coerceAtLeast(0) ?: 0) +
-					paddingTop + paddingBottom
-			h = resolveAdjustedSize(
-				desiredHeight.coerceAtLeast(suggestedMinimumHeight),
-				maxHeight,
-				heightMeasureSpec
-			)
-			val desiredWidth =
-				(h * ASPECT_RATIO_WIDTH / ASPECT_RATIO_HEIGHT).toInt() + paddingLeft + paddingRight
-			w = resolveAdjustedSize(
-				desiredWidth.coerceAtLeast(suggestedMinimumWidth),
-				maxWidth,
-				widthMeasureSpec
-			)
+			desiredHeight = measuredHeight
+			desiredWidth = (desiredHeight * ASPECT_RATIO_WIDTH / ASPECT_RATIO_HEIGHT).roundToInt()
 		} else {
-			val desiredWidth = (drawable?.intrinsicWidth?.coerceAtLeast(0) ?: 0) +
-					paddingLeft + paddingRight
-			w = resolveAdjustedSize(
-				desiredWidth.coerceAtLeast(suggestedMinimumWidth),
-				maxWidth,
-				widthMeasureSpec
-			)
-			val desiredHeight =
-				(w * ASPECT_RATIO_HEIGHT / ASPECT_RATIO_WIDTH).toInt() + paddingTop + paddingBottom
-			h = resolveAdjustedSize(
-				desiredHeight.coerceAtLeast(suggestedMinimumHeight),
-				maxHeight,
-				heightMeasureSpec
-			)
+			desiredWidth = measuredWidth
+			desiredHeight = (desiredWidth * ASPECT_RATIO_HEIGHT / ASPECT_RATIO_WIDTH).roundToInt()
 		}
-		val widthSize = resolveSizeAndState(w, widthMeasureSpec, 0)
-		val heightSize = resolveSizeAndState(h, heightMeasureSpec, 0)
-		setMeasuredDimension(widthSize, heightSize)
+		setMeasuredDimension(desiredWidth, desiredHeight)
 	}
 
 	companion object {

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

@@ -92,8 +92,16 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
-		binding.appbar.updatePadding(top = insets.top)
-		binding.webView.updatePadding(bottom = insets.bottom)
+		binding.appbar.updatePadding(
+			top = insets.top,
+			left = insets.left,
+			right = insets.right,
+		)
+		binding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+			bottom = insets.bottom,
+		)
 	}
 
 	companion object {

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

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.core.backup
 
 import org.json.JSONArray
 
-data class BackupEntry(
+class BackupEntry(
 	val name: String,
 	val data: JSONArray
 ) {

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

@@ -9,7 +9,7 @@ import org.koitharu.kotatsu.core.model.MangaState
 import org.koitharu.kotatsu.core.model.MangaTag
 
 @Entity(tableName = "manga")
-data class MangaEntity(
+class MangaEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id") val id: Long,
 	@ColumnInfo(name = "title") val title: String,

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

@@ -14,7 +14,7 @@ import androidx.room.PrimaryKey
 			onDelete = ForeignKey.CASCADE
 		)]
 )
-data class MangaPrefsEntity(
+class MangaPrefsEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id") val mangaId: Long,
 	@ColumnInfo(name = "mode") val mode: Int

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

@@ -20,7 +20,7 @@ import androidx.room.ForeignKey
 		)
 	]
 )
-data class MangaTagsEntity(
+class MangaTagsEntity(
 	@ColumnInfo(name = "manga_id", index = true) val mangaId: Long,
 	@ColumnInfo(name = "tag_id", index = true) val tagId: Long
 )

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

@@ -5,7 +5,7 @@ import androidx.room.Junction
 import androidx.room.Relation
 import org.koitharu.kotatsu.utils.ext.mapToSet
 
-data class MangaWithTags(
+class MangaWithTags(
 	@Embedded val manga: MangaEntity,
 	@Relation(
 		parentColumn = "manga_id",

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

@@ -16,7 +16,7 @@ import androidx.room.PrimaryKey
 		)
 	]
 )
-data class SuggestionEntity(
+class SuggestionEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id", index = true) val mangaId: Long,
 	@ColumnInfo(name = "relevance") val relevance: Float,

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

@@ -8,7 +8,7 @@ import org.koitharu.kotatsu.core.model.MangaTag
 import org.koitharu.kotatsu.utils.ext.longHashCode
 
 @Entity(tableName = "tags")
-data class TagEntity(
+class TagEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "tag_id") val id: Long,
 	@ColumnInfo(name = "title") val title: String,

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

@@ -15,7 +15,7 @@ import androidx.room.PrimaryKey
 		)
 	]
 )
-data class TrackEntity(
+class TrackEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id") val mangaId: Long,
 	@ColumnInfo(name = "chapters_total") val totalChapters: Int,

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

@@ -15,7 +15,7 @@ import androidx.room.PrimaryKey
 		)
 	]
 )
-data class TrackLogEntity(
+class TrackLogEntity(
 	@PrimaryKey(autoGenerate = true)
 	@ColumnInfo(name = "id") val id: Long = 0L,
 	@ColumnInfo(name = "manga_id", index = true) val mangaId: Long,

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

@@ -7,7 +7,7 @@ import org.koitharu.kotatsu.core.model.TrackingLogItem
 import org.koitharu.kotatsu.utils.ext.mapToSet
 import java.util.*
 
-data class TrackLogWithManga(
+class TrackLogWithManga(
 	@Embedded val trackLog: TrackLogEntity,
 	@Relation(
 		parentColumn = "manga_id",

app/src/main/java/org/koitharu/kotatsu/core/exceptions/GraphQLException.kt

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.exceptions
+
+import org.json.JSONArray
+import org.koitharu.kotatsu.utils.ext.map
+
+class GraphQLException(private val errors: JSONArray) : RuntimeException() {
+
+	val messages = errors.map {
+		it.getString("message")
+	}
+
+	override val message: String
+		get() = messages.joinToString("\n")
+}

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

@@ -2,12 +2,12 @@ package org.koitharu.kotatsu.core.github
 
 import java.util.*
 
-data class VersionId(
+class VersionId(
 	val major: Int,
 	val minor: Int,
 	val build: Int,
 	val variantType: String,
-	val variantNumber: Int
+	val variantNumber: Int,
 ) : Comparable<VersionId> {
 
 	override fun compareTo(other: VersionId): Int {
@@ -30,6 +30,30 @@ data class VersionId(
 		return variantNumber.compareTo(other.variantNumber)
 	}
 
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as VersionId
+
+		if (major != other.major) return false
+		if (minor != other.minor) return false
+		if (build != other.build) return false
+		if (variantType != other.variantType) return false
+		if (variantNumber != other.variantNumber) return false
+
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = major
+		result = 31 * result + minor
+		result = 31 * result + build
+		result = 31 * result + variantType.hashCode()
+		result = 31 * result + variantNumber
+		return result
+	}
+
 	companion object {
 
 		private fun variantWeight(variantType: String) =

app/src/main/java/org/koitharu/kotatsu/core/model/MangaChapter.kt

@@ -9,8 +9,13 @@ data class MangaChapter(
 	val name: String,
 	val number: Int,
 	val url: String,
-	val scanlator: String? = null,
+	val scanlator: String?,
 	val uploadDate: Long,
-	val branch: String? = null,
-	val source: MangaSource
-) : Parcelable
+	val branch: String?,
+	val source: MangaSource,
+) : Parcelable, Comparable<MangaChapter> {
+
+	override fun compareTo(other: MangaChapter): Int {
+		return number.compareTo(other.number)
+	}
+}

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

@@ -10,5 +10,5 @@ data class MangaHistory(
 	val updatedAt: Date,
 	val chapterId: Long,
 	val page: Int,
-	val scroll: Int
+	val scroll: Int,
 ) : Parcelable

app/src/main/java/org/koitharu/kotatsu/core/model/MangaPage.kt

@@ -8,6 +8,6 @@ data class MangaPage(
 	val id: Long,
 	val url: String,
 	val referer: String,
-	val preview: String? = null,
-	val source: MangaSource
+	val preview: String?,
+	val source: MangaSource,
 ) : Parcelable

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

@@ -14,7 +14,7 @@ import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 enum class MangaSource(
 	val title: String,
 	val locale: String?,
-	val cls: Class<out MangaRepository>
+	val cls: Class<out MangaRepository>,
 ) : Parcelable {
 	LOCAL("Local", null, LocalMangaRepository::class.java),
 	READMANGA_RU("ReadManga", "ru", ReadmangaRepository::class.java),
@@ -40,7 +40,8 @@ enum class MangaSource(
 	NINEMANGA_BR("NineManga Brasil", "pt", NineMangaRepository.Brazil::class.java),
 	NINEMANGA_FR("NineManga Français", "fr", NineMangaRepository.Francais::class.java),
 	EXHENTAI("ExHentai", null, ExHentaiRepository::class.java),
-	MANGAOWL("MangaOwl", "en", MangaOwlRepository::class.java)
+	MANGAOWL("MangaOwl", "en", MangaOwlRepository::class.java),
+	MANGADEX("MangaDex", null, MangaDexRepository::class.java),
 	;
 
 	@get:Throws(NoBeanDefFoundException::class)

app/src/main/java/org/koitharu/kotatsu/core/model/MangaTag.kt

@@ -7,5 +7,5 @@ import kotlinx.parcelize.Parcelize
 data class MangaTag(
 	val title: String,
 	val key: String,
-	val source: MangaSource
+	val source: MangaSource,
 ) : Parcelable

app/src/main/java/org/koitharu/kotatsu/core/network/CommonHeaders.kt

@@ -6,4 +6,5 @@ object CommonHeaders {
 	const val USER_AGENT = "User-Agent"
 	const val ACCEPT = "Accept"
 	const val CONTENT_DISPOSITION = "Content-Disposition"
+	const val COOKIE = "Cookie"
 }

app/src/main/java/org/koitharu/kotatsu/core/network/NetworkModule.kt

@@ -8,6 +8,7 @@ import org.koin.dsl.bind
 import org.koin.dsl.module
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.utils.CacheUtils
+import org.koitharu.kotatsu.utils.DownloadManagerHelper
 import java.util.concurrent.TimeUnit
 
 val networkModule
@@ -28,4 +29,5 @@ val networkModule
 				}
 			}.build()
 		}
+		factory { DownloadManagerHelper(get(), get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/core/parser/ParserModule.kt

@@ -34,4 +34,5 @@ val parserModule
 		factory<MangaRepository>(named(MangaSource.NINEMANGA_FR)) { NineMangaRepository.Francais(get()) }
 		factory<MangaRepository>(named(MangaSource.EXHENTAI)) { ExHentaiRepository(get()) }
 		factory<MangaRepository>(named(MangaSource.MANGAOWL)) { MangaOwlRepository(get()) }
+		factory<MangaRepository>(named(MangaSource.MANGADEX)) { MangaDexRepository(get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/AnibelRepository.kt

@@ -1,9 +1,14 @@
 package org.koitharu.kotatsu.core.parser.site
 
+import androidx.collection.ArraySet
+import org.json.JSONArray
+import org.json.JSONObject
 import org.koitharu.kotatsu.base.domain.MangaLoaderContext
 import org.koitharu.kotatsu.core.model.*
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
-import org.koitharu.kotatsu.utils.ext.*
+import org.koitharu.kotatsu.utils.ext.map
+import org.koitharu.kotatsu.utils.ext.mapIndexed
+import org.koitharu.kotatsu.utils.ext.stringIterator
 import java.util.*
 
 class AnibelRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepository(loaderContext) {
@@ -20,160 +25,235 @@ class AnibelRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepositor
 		offset: Int,
 		query: String?,
 		tags: Set<MangaTag>?,
-		sortOrder: SortOrder?
+		sortOrder: SortOrder?,
 	): List<Manga> {
 		if (!query.isNullOrEmpty()) {
-			return if (offset == 0) search(query) else emptyList()
+			return if (offset == 0) {
+				search(query)
+			} else {
+				emptyList()
+			}
 		}
-		val page = (offset / 12f).toIntUp().inc()
-		val link = when {
-			tags.isNullOrEmpty() -> "/manga?page=$page".withDomain()
-			else -> tags.joinToString(
-				prefix = "/manga?",
-				postfix = "&page=$page",
-				separator = "&",
-			) { tag -> "genre[]=${tag.key}" }.withDomain()
-		}
-		val doc = loaderContext.httpGet(link).parseHtml()
-		val root = doc.body().select("div.manga-block") ?: parseFailed("Cannot find root")
-		val items = root.select("div.anime-card")
-		return items.mapNotNull { card ->
-			val href = card.selectFirst("a")?.attr("href") ?: return@mapNotNull null
-			val status = card.select("tr")[2].text()
-			val fullTitle = card.selectFirst("h1.anime-card-title")?.text()
-				?.substringBeforeLast('[')  ?: return@mapNotNull null
-			val titleParts = fullTitle.splitTwoParts('/')
+		val filters = tags?.takeUnless { it.isEmpty() }?.joinToString(
+			separator = ",",
+			prefix = "genres: [",
+			postfix = "]"
+		) { "\"it.key\"" }.orEmpty()
+		val array = apiCall(
+			"""
+			getMediaList(offset: $offset, limit: 20, mediaType: manga, filters: {$filters}) {
+				docs {
+					mediaId
+					title {
+						be
+						alt
+					}
+					rating
+					poster
+					genres
+					slug
+					mediaType
+          			status
+				}
+			}
+			""".trimIndent()
+		).getJSONObject("getMediaList").getJSONArray("docs")
+		return array.map { jo ->
+			val mediaId = jo.getString("mediaId")
+			val title = jo.getJSONObject("title")
+			val href = "${jo.getString("mediaType")}/${jo.getString("slug")}"
 			Manga(
-				id = generateUid(href),
-				title = titleParts?.first?.trim() ?: fullTitle,
-				coverUrl = card.selectFirst("img")?.attr("data-src")
-					?.withDomain().orEmpty(),
-				altTitle = titleParts?.second?.trim(),
+				id = generateUid(mediaId),
+				title = title.getString("be"),
+				coverUrl = jo.getString("poster").removePrefix("/cdn")
+					.withDomain("cdn") + "?width=200&height=280",
+				altTitle = title.getString("alt").takeUnless(String::isEmpty),
 				author = null,
-				rating = Manga.NO_RATING,
+				rating = jo.getDouble("rating").toFloat() / 10f,
 				url = href,
-				publicUrl = href.withDomain(),
-				tags = card.select("p.tupe.tag").select("a").mapNotNullToSet tags@{ x ->
-					MangaTag(
-						title = x.text(),
-						key = x.attr("href").ifEmpty {
-							return@mapNotNull null
-						}.substringAfterLast("="),
-						source = source
-					)
-				},
-				state = when (status) {
-					"выпускаецца" -> MangaState.ONGOING
-					"завершанае" -> MangaState.FINISHED
+				publicUrl = "https://${getDomain()}/${href}",
+				tags = jo.getJSONArray("genres").mapToTags(),
+				state = when (jo.getString("status")) {
+					"ongoing" -> MangaState.ONGOING
+					"finished" -> MangaState.FINISHED
 					else -> null
 				},
-				source = source
+				source = source,
 			)
 		}
 	}
 
 	override suspend fun getDetails(manga: Manga): Manga {
-		val doc = loaderContext.httpGet(manga.publicUrl).parseHtml()
-		val root = doc.body().select("div.container") ?: parseFailed("Cannot find root")
+		val (type, slug) = manga.url.split('/')
+		val details = apiCall(
+			"""
+			media(mediaType: $type, slug: "$slug") {
+				mediaId
+				title {
+					be
+					alt
+				}
+				description {
+					be
+				}
+				status
+				poster
+				rating
+				genres
+			}
+			""".trimIndent()
+		).getJSONObject("media")
+		val title = details.getJSONObject("title")
+		val poster = details.getString("poster").removePrefix("/cdn")
+			.withDomain("cdn")
+		val chapters = apiCall(
+			"""
+			chapters(mediaId: "${details.getString("mediaId")}") {
+				id
+				chapter
+				released
+			}
+			""".trimIndent()
+		).getJSONArray("chapters")
 		return manga.copy(
-			description = root.select("div.manga-block.grid-12")[2].select("p").text(),
-			chapters = root.select("ul.series").flatMap { table ->
-				table.select("li")
-			}.map { it.selectFirst("a") }.mapIndexedNotNull { i, a ->
-				val href = a?.select("a")?.first()?.attr("href")
-					?.toRelativeUrl(getDomain()) ?: return@mapIndexedNotNull null
+			title = title.getString("be"),
+			altTitle = title.getString("alt"),
+			coverUrl = "$poster?width=200&height=280",
+			largeCoverUrl = poster,
+			description = details.getJSONObject("description").getString("be"),
+			rating = details.getDouble("rating").toFloat() / 10f,
+			tags = details.getJSONArray("genres").mapToTags(),
+			state = when (details.getString("status")) {
+				"ongoing" -> MangaState.ONGOING
+				"finished" -> MangaState.FINISHED
+				else -> null
+			},
+			chapters = chapters.map { jo ->
+				val number = jo.getInt("chapter")
 				MangaChapter(
-					id = generateUid(href),
-					name = "Глава " + a.selectFirst("a")?.text().orEmpty(),
-					number = i + 1,
-					url = href,
-					uploadDate = 0L,
-					source = source
+					id = generateUid(jo.getString("id")),
+					name = "Глава $number",
+					number = number,
+					url = "${manga.url}/read/$number",
+					scanlator = null,
+					uploadDate = jo.getLong("released"),
+					branch = null,
+					source = source,
 				)
 			}
 		)
 	}
 
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
-		val fullUrl = chapter.url.withDomain()
-		val doc = loaderContext.httpGet(fullUrl).parseHtml()
-		val scripts = doc.select("script")
-		for (script in scripts) {
-			val data = script.html()
-			val pos = data.indexOf("dataSource")
-			if (pos == -1) {
-				continue
-			}
-			val json = data.substring(pos).substringAfter('[').substringBefore(']')
-			val domain = getDomain()
-			return json.split(",").mapNotNull {
-				it.trim()
-					.removeSurrounding('"', '\'')
-					.toRelativeUrl(domain)
-					.takeUnless(String::isBlank)
-			}.map { url ->
-				MangaPage(
-					id = generateUid(url),
-					url = url,
-					referer = fullUrl,
-					source = source
-				)
+		val (_, slug, _, number) = chapter.url.split('/')
+		val chapterJson = apiCall(
+			"""
+			chapter(slug: "$slug", chapter: $number) {
+				id
+				images {
+					large
+					thumbnail
+				}
 			}
+			""".trimIndent()
+		).getJSONObject("chapter")
+		val pages = chapterJson.getJSONArray("images")
+		val chapterUrl = "https://${getDomain()}/${chapter.url}"
+		return pages.mapIndexed { i, jo ->
+			MangaPage(
+				id = generateUid("${chapter.url}/$i"),
+				url = jo.getString("large"),
+				referer = chapterUrl,
+				preview = jo.getString("thumbnail"),
+				source = source,
+			)
 		}
-		parseFailed("Pages list not found at ${chapter.url.withDomain()}")
 	}
 
 	override suspend fun getTags(): Set<MangaTag> {
-		val doc = loaderContext.httpGet("https://${getDomain()}/manga").parseHtml()
-		val root = doc.body().select("div#tabs-genres").select("ul#list.ul-three-colums")
-		return root.select("p.menu-tags.tupe").mapToSet { p ->
-			val a = p.selectFirst("a") ?: parseFailed("a is null")
-			MangaTag(
-				title = a.text().toCamelCase(),
-				key = a.attr("data-name"),
-				source = source
-			)
-		}
+		val json = apiCall(
+			"""
+			getFilters(mediaType: manga) {
+				genres
+			}
+			""".trimIndent()
+		)
+		val array = json.getJSONObject("getFilters").getJSONArray("genres")
+		return array.mapToTags()
 	}
 
 	private suspend fun search(query: String): List<Manga> {
-		val domain = getDomain()
-		val doc = loaderContext.httpGet("https://$domain/search?q=$query").parseHtml()
-		val root = doc.body().select("div.manga-block").select("article.tab-2") ?: parseFailed("Cannot find root")
-		val items = root.select("div.anime-card")
-		return items.mapNotNull { card ->
-			val href = card.select("a").attr("href")
-			val status = card.select("tr")[2].text()
-			val fullTitle = card.selectFirst("h1.anime-card-title")?.text()
-				?.substringBeforeLast('[') ?: return@mapNotNull null
-			val titleParts = fullTitle.splitTwoParts('/')
+		val json = apiCall(
+			"""
+			search(query: "$query", limit: 40) {
+				id
+				title {
+					be
+					en
+				}
+				poster
+				url
+				type
+			}
+			""".trimIndent()
+		)
+		val array = json.getJSONArray("search")
+		return array.map { jo ->
+			val mediaId = jo.getString("id")
+			val title = jo.getJSONObject("title")
+			val href = "${jo.getString("type").lowercase()}/${jo.getString("url")}"
 			Manga(
-				id = generateUid(href),
-				title = titleParts?.first?.trim() ?: fullTitle,
-				coverUrl = card.selectFirst("img")?.attr("src")
-					?.withDomain().orEmpty(),
-				altTitle = titleParts?.second?.trim(),
+				id = generateUid(mediaId),
+				title = title.getString("be"),
+				coverUrl = jo.getString("poster").removePrefix("/cdn")
+					.withDomain("cdn") + "?width=200&height=280",
+				altTitle = title.getString("en").takeUnless(String::isEmpty),
 				author = null,
 				rating = Manga.NO_RATING,
 				url = href,
-				publicUrl = href.withDomain(),
-				tags = card.select("p.tupe.tag").select("a").mapNotNullToSet tags@{ x ->
-					MangaTag(
-						title = x.text(),
-						key = x.attr("href").ifEmpty {
-							return@mapNotNull null
-						}.substringAfterLast("="),
-						source = source
-					)
-				},
-				state = when (status) {
-					"выпускаецца" -> MangaState.ONGOING
-					"завершанае" -> MangaState.FINISHED
-					else -> null
-				},
-				source = source
+				publicUrl = "https://${getDomain()}/${href}",
+				tags = emptySet(),
+				state = null,
+				source = source,
 			)
 		}
 	}
 
+	private suspend fun apiCall(request: String): JSONObject {
+		return loaderContext.graphQLQuery("https://api.${getDomain()}/graphql", request)
+			.getJSONObject("data")
+	}
+
+	private fun JSONArray.mapToTags(): Set<MangaTag> {
+
+		fun toTitle(slug: String): String {
+			val builder = StringBuilder(slug)
+			var capitalize = true
+			for ((i, c) in builder.withIndex()) {
+				when {
+					c == '-' -> {
+						builder.setCharAt(i, ' ')
+						capitalize = true
+					}
+					capitalize -> {
+						builder.setCharAt(i, c.uppercaseChar())
+						capitalize = false
+					}
+				}
+			}
+			return builder.toString()
+		}
+
+		val result = ArraySet<MangaTag>(length())
+		stringIterator().forEach {
+			result.add(
+				MangaTag(
+					title = toTitle(it),
+					key = it,
+					source = source,
+				)
+			)
+		}
+		return result
+	}
 }

app/src/main/java/org/koitharu/kotatsu/core/parser/site/ChanRepository.kt

@@ -88,8 +88,10 @@ abstract class ChanRepository(loaderContext: MangaLoaderContext) : RemoteMangaRe
 					name = tr.selectFirst("a")?.text().orEmpty(),
 					number = i + 1,
 					url = href,
+					scanlator = null,
+					branch = null,
 					uploadDate = dateFormat.tryParse(tr.selectFirst("div.date")?.text()),
-					source = source
+					source = source,
 				)
 			}
 		)
@@ -117,8 +119,9 @@ abstract class ChanRepository(loaderContext: MangaLoaderContext) : RemoteMangaRe
 				MangaPage(
 					id = generateUid(url),
 					url = url,
+					preview = null,
 					referer = fullUrl,
-					source = source
+					source = source,
 				)
 			}
 		}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/DesuMeRepository.kt

@@ -101,7 +101,9 @@ class DesuMeRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepositor
 					url = "$baseChapterUrl$chid",
 					uploadDate = it.getLong("date") * 1000,
 					name = if (title.isEmpty()) volChap else "$volChap: $title",
-					number = totalChapters - i
+					number = totalChapters - i,
+					scanlator = null,
+					branch = null,
 				)
 			}.reversed()
 		)
@@ -116,8 +118,9 @@ class DesuMeRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepositor
 			MangaPage(
 				id = generateUid(jo.getLong("id")),
 				referer = fullUrl,
+				preview = null,
 				source = chapter.source,
-				url = jo.getString("img")
+				url = jo.getString("img"),
 			)
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/ExHentaiRepository.kt

@@ -143,6 +143,8 @@ class ExHentaiRepository(
 						url = url,
 						uploadDate = 0L,
 						source = source,
+						scanlator = null,
+						branch = null,
 					)
 				}
 				chapters

app/src/main/java/org/koitharu/kotatsu/core/parser/site/GroupleRepository.kt

@@ -110,11 +110,11 @@ abstract class GroupleRepository(loaderContext: MangaLoaderContext) :
 		val root = doc.body().getElementById("mangaBox")?.selectFirst("div.leftContent")
 			?: throw ParseException("Cannot find root")
 		val dateFormat = SimpleDateFormat("dd.MM.yy", Locale.US)
+		val coverImg = root.selectFirst("div.subject-cover")?.selectFirst("img")
 		return manga.copy(
 			description = root.selectFirst("div.manga-description")?.html(),
-			largeCoverUrl = root.selectFirst("div.subject-cower")?.selectFirst("img")?.attr(
-				"data-full"
-			),
+			largeCoverUrl = coverImg?.attr("data-full"),
+			coverUrl = coverImg?.attr("data-thumb") ?: manga.coverUrl,
 			tags = manga.tags + root.select("div.subject-meta").select("span.elem_genre ")
 				.mapNotNull {
 					val a = it.selectFirst("a.element-link") ?: return@mapNotNull null
@@ -142,7 +142,8 @@ abstract class GroupleRepository(loaderContext: MangaLoaderContext) :
 						url = href,
 						uploadDate = dateFormat.tryParse(tr.selectFirst("td.d-none")?.text()),
 						scanlator = translators,
-						source = source
+						source = source,
+						branch = null,
 					)
 				}
 		)
@@ -167,8 +168,9 @@ abstract class GroupleRepository(loaderContext: MangaLoaderContext) :
 				MangaPage(
 					id = generateUid(url),
 					url = url,
+					preview = null,
 					referer = chapter.url,
-					source = source
+					source = source,
 				)
 			}
 		}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/HenChanRepository.kt

@@ -18,12 +18,10 @@ class HenChanRepository(loaderContext: MangaLoaderContext) : ChanRepository(load
 		sortOrder: SortOrder?
 	): List<Manga> {
 		return super.getList2(offset, query, tags, sortOrder).map {
-			val cover = it.coverUrl
-			if (cover.contains("_blur")) {
-				it.copy(coverUrl = cover.replace("_blur", ""))
-			} else {
-				it
-			}
+			it.copy(
+				coverUrl = it.coverUrl.replace("_blur", ""),
+				isNsfw = true,
+			)
 		}
 	}
 
@@ -50,7 +48,9 @@ class HenChanRepository(loaderContext: MangaLoaderContext) : ChanRepository(load
 					source = source,
 					number = 1,
 					uploadDate = 0L,
-					name = manga.title
+					name = manga.title,
+					scanlator = null,
+					branch = null,
 				)
 			)
 		)

app/src/main/java/org/koitharu/kotatsu/core/parser/site/MangaDexRepository.kt

@@ -0,0 +1,216 @@
+package org.koitharu.kotatsu.core.parser.site
+
+import android.os.Build
+import androidx.core.os.LocaleListCompat
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
+import org.json.JSONObject
+import org.koitharu.kotatsu.base.domain.MangaLoaderContext
+import org.koitharu.kotatsu.core.model.*
+import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
+import org.koitharu.kotatsu.utils.ext.*
+import java.text.SimpleDateFormat
+import java.util.*
+
+private const val PAGE_SIZE = 20
+private const val CONTENT_RATING =
+	"contentRating[]=safe&contentRating[]=suggestive&contentRating[]=erotica&contentRating[]=pornographic"
+private const val LOCALE_FALLBACK = "en"
+
+class MangaDexRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepository(loaderContext) {
+
+	override val source = MangaSource.MANGADEX
+	override val defaultDomain = "mangadex.org"
+
+	override val sortOrders: EnumSet<SortOrder> = EnumSet.of(
+		SortOrder.UPDATED,
+		SortOrder.ALPHABETICAL,
+		SortOrder.NEWEST,
+		SortOrder.POPULARITY,
+	)
+
+	override suspend fun getList2(
+		offset: Int,
+		query: String?,
+		tags: Set<MangaTag>?,
+		sortOrder: SortOrder?,
+	): List<Manga> {
+		val domain = getDomain()
+		val url = buildString {
+			append("https://api.")
+			append(domain)
+			append("/manga?limit=")
+			append(PAGE_SIZE)
+			append("&offset=")
+			append(offset)
+			append("&includes[]=cover_art&includes[]=author&includes[]=artist&")
+			tags?.forEach { tag ->
+				append("includedTags[]=")
+				append(tag.key)
+				append('&')
+			}
+			if (!query.isNullOrEmpty()) {
+				append("title=")
+				append(query.urlEncoded())
+				append('&')
+			}
+			append(CONTENT_RATING)
+			append("&order")
+			append(when (sortOrder) {
+				null,
+				SortOrder.UPDATED,
+				-> "[latestUploadedChapter]=desc"
+				SortOrder.ALPHABETICAL -> "[title]=asc"
+				SortOrder.NEWEST -> "[createdAt]=desc"
+				SortOrder.POPULARITY -> "[followedCount]=desc"
+				else -> "[followedCount]=desc"
+			})
+		}
+		val json = loaderContext.httpGet(url).parseJson().getJSONArray("data")
+		return json.map { jo ->
+			val id = jo.getString("id")
+			val attrs = jo.getJSONObject("attributes")
+			val relations = jo.getJSONArray("relationships").associateByKey("type")
+			val cover = relations["cover_art"]
+				?.getJSONObject("attributes")
+				?.getString("fileName")
+				?.let {
+					"https://uploads.$domain/covers/$id/$it"
+				}
+			Manga(
+				id = generateUid(id),
+				title = requireNotNull(attrs.getJSONObject("title").selectByLocale()) {
+					"Title should not be null"
+				},
+				altTitle = attrs.optJSONObject("altTitles")?.selectByLocale(),
+				url = id,
+				publicUrl = "https://$domain/title/$id",
+				rating = Manga.NO_RATING,
+				isNsfw = attrs.getStringOrNull("contentRating") == "erotica",
+				coverUrl = cover?.plus(".256.jpg").orEmpty(),
+				largeCoverUrl = cover,
+				description = attrs.optJSONObject("description")?.selectByLocale(),
+				tags = attrs.getJSONArray("tags").mapToSet { tag ->
+					MangaTag(
+						title = tag.getJSONObject("attributes")
+							.getJSONObject("name")
+							.firstStringValue(),
+						key = tag.getString("id"),
+						source = source,
+					)
+				},
+				state = when (jo.getStringOrNull("status")) {
+					"ongoing" -> MangaState.ONGOING
+					"completed" -> MangaState.FINISHED
+					else -> null
+				},
+				author = (relations["author"] ?: relations["artist"])
+					?.getJSONObject("attributes")
+					?.getStringOrNull("name"),
+				source = source,
+			)
+		}
+	}
+
+	override suspend fun getDetails(manga: Manga): Manga = coroutineScope<Manga> {
+		val domain = getDomain()
+		val attrsDeferred = async {
+			loaderContext.httpGet(
+				"https://api.$domain/manga/${manga.url}?includes[]=artist&includes[]=author&includes[]=cover_art"
+			).parseJson().getJSONObject("data").getJSONObject("attributes")
+		}
+		val feedDeferred = async {
+			val url = buildString {
+				append("https://api.")
+				append(domain)
+				append("/manga/")
+				append(manga.url)
+				append("/feed")
+				append("?limit=96&includes[]=scanlation_group&order[volume]=asc&order[chapter]=asc&offset=0&")
+				append(CONTENT_RATING)
+			}
+			loaderContext.httpGet(url).parseJson().getJSONArray("data")
+		}
+		val mangaAttrs = attrsDeferred.await()
+		val feed = feedDeferred.await()
+		//2022-01-02T00:27:11+00:00
+		val dateFormat = SimpleDateFormat(
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+				"yyyy-MM-dd'T'HH:mm:ssX"
+			} else {
+				"yyyy-MM-dd'T'HH:mm:ss'+00:00'"
+			},
+			Locale.ROOT
+		)
+		manga.copy(
+			description = mangaAttrs.getJSONObject("description").selectByLocale()
+				?: manga.description,
+			chapters = feed.mapNotNull { jo ->
+				val id = jo.getString("id")
+				val attrs = jo.getJSONObject("attributes")
+				if (attrs.optJSONArray("data").isNullOrEmpty()) {
+					return@mapNotNull null
+				}
+				val locale = Locale.forLanguageTag(attrs.getString("translatedLanguage"))
+				val relations = jo.getJSONArray("relationships").associateByKey("type")
+				val number = attrs.optInt("chapter", 0)
+				MangaChapter(
+					id = generateUid(id),
+					name = attrs.getStringOrNull("title")?.takeUnless(String::isEmpty)
+						?: "Chapter #$number",
+					number = number,
+					url = id,
+					scanlator = relations["scanlation_group"]?.getStringOrNull("name"),
+					uploadDate = dateFormat.tryParse(attrs.getString("publishAt")),
+					branch = locale.displayName.toTitleCase(locale),
+					source = source,
+				)
+			}
+		)
+	}
+
+	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
+		val domain = getDomain()
+		val attrs = loaderContext.httpGet("https://api.$domain/chapter/${chapter.url}")
+			.parseJson()
+			.getJSONObject("data")
+			.getJSONObject("attributes")
+		val data = attrs.getJSONArray("data")
+		val prefix = "https://uploads.$domain/data/${attrs.getString("hash")}/"
+		val referer = "https://$domain/"
+		return List(data.length()) { i ->
+			val url = prefix + data.getString(i)
+			MangaPage(
+				id = generateUid(url),
+				url = url,
+				referer = referer,
+				preview = null, // TODO prefix + dataSaver.getString(i),
+				source = source,
+			)
+		}
+	}
+
+	override suspend fun getTags(): Set<MangaTag> {
+		val tags = loaderContext.httpGet("https://api.${getDomain()}/manga/tag").parseJson()
+			.getJSONArray("data")
+		return tags.mapToSet { jo ->
+			MangaTag(
+				title = jo.getJSONObject("attributes").getJSONObject("name").firstStringValue(),
+				key = jo.getString("id"),
+				source = source,
+			)
+		}
+	}
+
+	private fun JSONObject.firstStringValue() = values().next() as String
+
+	private fun JSONObject.selectByLocale(): String? {
+		val preferredLocales = LocaleListCompat.getAdjustedDefault()
+		repeat(preferredLocales.size()) { i ->
+			val locale = preferredLocales.get(i)
+			getStringOrNull(locale.language)?.let { return it }
+			getStringOrNull(locale.toLanguageTag())?.let { return it }
+		}
+		return getStringOrNull(LOCALE_FALLBACK) ?: values().nextOrNull() as? String
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/MangaLibRepository.kt

@@ -118,7 +118,8 @@ open class MangaLibRepository(loaderContext: MangaLoaderContext) :
 									item.getString("chapter_created_at").substringBefore(" ")
 								),
 								scanlator = scanlator,
-								name = if (nameChapter.isNullOrBlank()) fullNameChapter else "$fullNameChapter - $nameChapter"
+								branch = null,
+								name = if (nameChapter.isNullOrBlank()) fullNameChapter else "$fullNameChapter - $nameChapter",
 							)
 						)
 					}
@@ -178,8 +179,9 @@ open class MangaLibRepository(loaderContext: MangaLoaderContext) :
 					MangaPage(
 						id = generateUid(pageUrl),
 						url = pageUrl,
+						preview = null,
 						referer = fullUrl,
-						source = source
+						source = source,
 					)
 				}
 			}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/MangaOwlRepository.kt

@@ -93,7 +93,7 @@ class MangaOwlRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposit
 				},
 			chapters = table.select("div.table.table-chapter-list").select("li.list-group-item.chapter_list").asReversed().mapIndexed { i, li ->
 				val a = li.select("a")
-				val href = a.attr("href").ifEmpty {
+				val href = a.attr("data-href").ifEmpty {
 					parseFailed("Link is missing")
 				}
 				MangaChapter(
@@ -101,8 +101,10 @@ class MangaOwlRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposit
 					name = a.select("label").text(),
 					number = i + 1,
 					url = href,
+					scanlator = null,
+					branch = null,
 					uploadDate = dateFormat.tryParse(li.selectFirst("small:last-of-type")?.text()),
-					source = MangaSource.MANGAOWL
+					source = MangaSource.MANGAOWL,
 				)
 			}
 		)
@@ -117,8 +119,9 @@ class MangaOwlRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposit
 			MangaPage(
 				id = generateUid(url),
 				url = url,
+				preview = null,
 				referer = fullUrl,
-				source = MangaSource.MANGAOWL
+				source = MangaSource.MANGAOWL,
 			)
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/MangaTownRepository.kt

@@ -124,7 +124,9 @@ class MangaTownRepository(loaderContext: MangaLoaderContext) :
 						dateFormat,
 						li.selectFirst("span.time")?.text()
 					),
-					name = name.ifEmpty { "${manga.title} - ${i + 1}" }
+					name = name.ifEmpty { "${manga.title} - ${i + 1}" },
+					scanlator = null,
+					branch = null,
 				)
 			}
 		)
@@ -143,8 +145,9 @@ class MangaTownRepository(loaderContext: MangaLoaderContext) :
 			MangaPage(
 				id = generateUid(href),
 				url = href,
+				preview = null,
 				referer = fullUrl,
-				source = MangaSource.MANGATOWN
+				source = MangaSource.MANGATOWN,
 			)
 		} ?: parseFailed("Pages list not found")
 	}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/MangareadRepository.kt

@@ -146,7 +146,9 @@ class MangareadRepository(
 						dateFormat,
 						doc2.selectFirst("span.chapter-release-date i")?.text()
 					),
-					source = MangaSource.MANGAREAD
+					source = MangaSource.MANGAREAD,
+					scanlator = null,
+					branch = null,
 				)
 			}
 		)
@@ -164,8 +166,9 @@ class MangareadRepository(
 			MangaPage(
 				id = generateUid(url),
 				url = url,
+				preview = null,
 				referer = fullUrl,
-				source = MangaSource.MANGAREAD
+				source = MangaSource.MANGAREAD,
 			)
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/core/parser/site/NineMangaRepository.kt

@@ -41,7 +41,7 @@ abstract class NineMangaRepository(
 					append("&page=")
 				}
 				!tags.isNullOrEmpty() -> {
-					append("/search/&category_id=")
+					append("/search/?category_id=")
 					for (tag in tags) {
 						append(tag.key)
 						append(',')
@@ -114,6 +114,8 @@ abstract class NineMangaRepository(
 						url = href,
 						uploadDate = parseChapterDateByLang(li.selectFirst("span")?.text().orEmpty()),
 						source = source,
+						scanlator = null,
+						branch = null,
 					)
 				}
 		)

app/src/main/java/org/koitharu/kotatsu/core/parser/site/RemangaRepository.kt

@@ -6,16 +6,20 @@ import org.json.JSONObject
 import org.koitharu.kotatsu.base.domain.MangaLoaderContext
 import org.koitharu.kotatsu.core.exceptions.ParseException
 import org.koitharu.kotatsu.core.model.*
+import org.koitharu.kotatsu.core.parser.MangaRepositoryAuthProvider
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.utils.ext.*
 import java.text.SimpleDateFormat
 import java.util.*
 
-class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepository(loaderContext) {
+class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaRepository(loaderContext),
+	MangaRepositoryAuthProvider {
 
 	override val source = MangaSource.REMANGA
 
 	override val defaultDomain = "remanga.org"
+	override val authUrl: String
+		get() = "https://${getDomain()}/user/login"
 
 	override val sortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,
@@ -30,6 +34,7 @@ class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposito
 		tags: Set<MangaTag>?,
 		sortOrder: SortOrder?
 	): List<Manga> {
+		copyCookies()
 		val domain = getDomain()
 		val urlBuilder = StringBuilder()
 			.append("https://api.")
@@ -78,6 +83,7 @@ class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposito
 	}
 
 	override suspend fun getDetails(manga: Manga): Manga {
+		copyCookies()
 		val domain = getDomain()
 		val slug = manga.url.find(LAST_URL_PATH_REGEX)
 			?: throw ParseException("Cannot obtain slug from ${manga.url}")
@@ -130,7 +136,8 @@ class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposito
 					},
 					uploadDate = dateFormat.tryParse(jo.getString("upload_date")),
 					scanlator = publishers.optJSONObject(0)?.getStringOrNull("name"),
-					source = MangaSource.REMANGA
+					source = MangaSource.REMANGA,
+					branch = null,
 				)
 			}.asReversed()
 		)
@@ -164,6 +171,17 @@ class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposito
 		}
 	}
 
+	override fun isAuthorized(): Boolean {
+		return loaderContext.cookieJar.getCookies(getDomain()).any {
+			it.name == "user"
+		}
+	}
+
+	private fun copyCookies() {
+		val domain = getDomain()
+		loaderContext.cookieJar.copyCookies(domain, "api.$domain")
+	}
+
 	private fun getSortKey(order: SortOrder?) = when (order) {
 		SortOrder.UPDATED -> "-chapter_date"
 		SortOrder.POPULARITY -> "-rating"
@@ -175,8 +193,9 @@ class RemangaRepository(loaderContext: MangaLoaderContext) : RemoteMangaReposito
 	private fun parsePage(jo: JSONObject, referer: String) = MangaPage(
 		id = generateUid(jo.getLong("id")),
 		url = jo.getString("link"),
+		preview = null,
 		referer = referer,
-		source = source
+		source = source,
 	)
 
 	private companion object {

app/src/main/java/org/koitharu/kotatsu/core/parser/site/YaoiChanRepository.kt

@@ -30,7 +30,9 @@ class YaoiChanRepository(loaderContext: MangaLoaderContext) : ChanRepository(loa
 					number = i + 1,
 					url = href,
 					uploadDate = 0L,
-					source = source
+					source = source,
+					scanlator = null,
+					branch = null,
 				)
 			}
 		)

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

@@ -8,7 +8,7 @@ import androidx.collection.arraySetOf
 import androidx.core.content.edit
 import androidx.preference.PreferenceManager
 import kotlinx.coroutines.channels.awaitClose
-import kotlinx.coroutines.channels.sendBlocking
+import kotlinx.coroutines.channels.trySendBlocking
 import kotlinx.coroutines.flow.callbackFlow
 import org.koitharu.kotatsu.core.model.ZoomMode
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
@@ -79,6 +79,8 @@ class AppSettings private constructor(private val prefs: SharedPreferences) :
 
 	var historyGrouping by BoolPreferenceDelegate(KEY_HISTORY_GROUPING, true)
 
+	var isHistoryExcludeNsfw by BoolPreferenceDelegate(KEY_HISTORY_EXCLUDE_NSFW, false)
+
 	var chaptersReverse by BoolPreferenceDelegate(KEY_REVERSE_CHAPTERS, false)
 
 	val zoomMode by EnumPreferenceDelegate(
@@ -107,6 +109,8 @@ class AppSettings private constructor(private val prefs: SharedPreferences) :
 	val isSourcesSelected: Boolean
 		get() = KEY_SOURCES_HIDDEN in prefs
 
+	val isPagesNumbersEnabled by BoolPreferenceDelegate(KEY_PAGES_NUMBERS, false)
+
 	fun getStorageDir(context: Context): File? {
 		val value = prefs.getString(KEY_LOCAL_STORAGE, null)?.let {
 			File(it)
@@ -141,7 +145,7 @@ class AppSettings private constructor(private val prefs: SharedPreferences) :
 
 	fun observe() = callbackFlow<String> {
 		val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
-			sendBlocking(key)
+			trySendBlocking(key)
 		}
 		prefs.registerOnSharedPreferenceChangeListener(listener)
 		awaitClose {
@@ -192,6 +196,8 @@ class AppSettings private constructor(private val prefs: SharedPreferences) :
 		const val KEY_RESTORE = "restore"
 		const val KEY_HISTORY_GROUPING = "history_grouping"
 		const val KEY_REVERSE_CHAPTERS = "reverse_chapters"
+		const val KEY_HISTORY_EXCLUDE_NSFW = "history_exclude_nsfw"
+		const val KEY_PAGES_NUMBERS = "pages_numbers"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

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

@@ -14,16 +14,35 @@ sealed class DateTimeAgo : ListModel {
 		}
 	}
 
-	data class MinutesAgo(val minutes: Int) : DateTimeAgo() {
+	class MinutesAgo(val minutes: Int) : DateTimeAgo() {
+
 		override fun format(resources: Resources): String {
 			return resources.getQuantityString(R.plurals.minutes_ago, minutes, minutes)
 		}
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+			other as MinutesAgo
+			return minutes == other.minutes
+		}
+
+		override fun hashCode(): Int = minutes
 	}
 
-	data class HoursAgo(val hours: Int) : DateTimeAgo() {
+	class HoursAgo(val hours: Int) : DateTimeAgo() {
 		override fun format(resources: Resources): String {
 			return resources.getQuantityString(R.plurals.hours_ago, hours, hours)
 		}
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+			other as HoursAgo
+			return hours == other.hours
+		}
+
+		override fun hashCode(): Int = hours
 	}
 
 	object Today : DateTimeAgo() {
@@ -38,10 +57,19 @@ sealed class DateTimeAgo : ListModel {
 		}
 	}
 
-	data class DaysAgo(val days: Int) : DateTimeAgo() {
+	class DaysAgo(val days: Int) : DateTimeAgo() {
 		override fun format(resources: Resources): String {
 			return resources.getQuantityString(R.plurals.days_ago, days, days)
 		}
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+			other as DaysAgo
+			return days == other.days
+		}
+
+		override fun hashCode(): Int = days
 	}
 
 	object LongAgo : DateTimeAgo() {

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

@@ -44,7 +44,7 @@ import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 class DetailsActivity : BaseActivity<ActivityDetailsBinding>(),
 	TabLayoutMediator.TabConfigurationStrategy {
 
-	private val viewModel by viewModel<DetailsViewModel>(mode = LazyThreadSafetyMode.NONE) {
+	private val viewModel by viewModel<DetailsViewModel> {
 		parametersOf(MangaIntent.from(intent))
 	}
 

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.details.ui
 
+import android.app.ActivityOptions
 import android.os.Bundle
 import android.text.Spanned
 import android.view.LayoutInflater
@@ -12,6 +13,7 @@ import androidx.core.text.parseAsHtml
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import coil.ImageLoader
+import coil.request.ImageRequest
 import coil.util.CoilUtils
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -27,6 +29,7 @@ import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.model.MangaState
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
 import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesDialog
+import org.koitharu.kotatsu.image.ui.ImageActivity
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.search.ui.SearchActivity
@@ -50,6 +53,7 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 		binding.buttonFavorite.setOnClickListener(this)
 		binding.buttonRead.setOnClickListener(this)
 		binding.buttonRead.setOnLongClickListener(this)
+		binding.coverCard.setOnClickListener(this)
 		viewModel.manga.observe(viewLifecycleOwner, ::onMangaUpdated)
 		viewModel.isLoading.observe(viewLifecycleOwner, ::onLoadingStateChanged)
 		viewModel.favouriteCategories.observe(viewLifecycleOwner, ::onFavouriteChanged)
@@ -58,14 +62,8 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 
 	private fun onMangaUpdated(manga: Manga) {
 		with(binding) {
-
 			// Main
-			imageViewCover.newImageRequest(manga.largeCoverUrl ?: manga.coverUrl)
-				.referer(manga.publicUrl)
-				.fallback(R.drawable.ic_placeholder)
-				.placeholderMemoryCacheKey(CoilUtils.metadata(imageViewCover)?.memoryCacheKey)
-				.lifecycle(viewLifecycleOwner)
-				.enqueueWith(coil)
+			loadCover(manga)
 			textViewTitle.text = manga.title
 			textViewSubtitle.textAndVisible = manga.altTitle
 			textViewAuthor.textAndVisible = manga.author
@@ -189,6 +187,17 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 					)
 				)
 			}
+			R.id.cover_card -> {
+				val options = ActivityOptions.makeSceneTransitionAnimation(
+					requireActivity(),
+					binding.imageViewCover,
+					binding.imageViewCover.transitionName,
+				)
+				startActivity(
+					ImageActivity.newIntent(v.context, manga.largeCoverUrl ?: manga.coverUrl),
+					options.toBundle()
+				)
+			}
 		}
 	}
 
@@ -239,4 +248,22 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 			}
 		)
 	}
+
+	private fun loadCover(manga: Manga) {
+		val currentCover = binding.imageViewCover.drawable
+		val request = ImageRequest.Builder(context ?: return)
+			.target(binding.imageViewCover)
+		if (currentCover != null) {
+			request.data(manga.largeCoverUrl ?: return)
+				.placeholderMemoryCacheKey(CoilUtils.metadata(binding.imageViewCover)?.memoryCacheKey)
+				.fallback(currentCover)
+		} else {
+			request.crossfade(true)
+				.data(manga.coverUrl)
+				.fallback(R.drawable.ic_placeholder)
+		}
+		request.referer(manga.publicUrl)
+			.lifecycle(viewLifecycleOwner)
+			.enqueueWith(coil)
+	}
 }

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

@@ -24,7 +24,9 @@ import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.mapToSet
+import org.koitharu.kotatsu.utils.ext.toTitleCase
 import java.io.IOException
+import java.util.*
 
 class DetailsViewModel(
 	intent: MangaIntent,
@@ -127,9 +129,7 @@ class DetailsViewModel(
 			selectedBranch.value = if (hist != null) {
 				manga.chapters?.find { it.id == hist.chapterId }?.branch
 			} else {
-				manga.chapters
-					?.groupBy { it.branch }
-					?.maxByOrNull { it.value.size }?.key
+				predictBranch(manga.chapters)
 			}
 			mangaData.value = manga
 			if (manga.source == MangaSource.LOCAL) {
@@ -240,4 +240,21 @@ class DetailsViewModel(
 		}
 		return result
 	}
+
+	private fun predictBranch(chapters: List<MangaChapter>?): String? {
+		if (chapters.isNullOrEmpty()) {
+			return null
+		}
+		val groups = chapters.groupBy { it.branch }
+		val locale = Locale.getDefault()
+		var language = locale.displayLanguage.toTitleCase(locale)
+		if (groups.containsKey(language)) {
+			return language
+		}
+		language = locale.displayName.toTitleCase(locale)
+		if (groups.containsKey(language)) {
+			return language
+		}
+		return groups.maxByOrNull { it.value.size }?.key
+	}
 }

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

@@ -19,10 +19,6 @@ class ChaptersAdapter(
 		return items[position].chapter.id
 	}
 
-	fun setItems(newItems: List<ChapterListItem>, callback: Runnable) {
-		differ.submitList(newItems, callback)
-	}
-
 	private class DiffCallback : DiffUtil.ItemCallback<ChapterListItem>() {
 
 		override fun areItemsTheSame(oldItem: ChapterListItem, newItem: ChapterListItem): Boolean {

app/src/main/java/org/koitharu/kotatsu/favourites/data/FavouriteCategoryEntity.kt

@@ -8,7 +8,7 @@ import org.koitharu.kotatsu.core.model.SortOrder
 import java.util.*
 
 @Entity(tableName = "favourite_categories")
-data class FavouriteCategoryEntity(
+class FavouriteCategoryEntity(
 	@PrimaryKey(autoGenerate = true)
 	@ColumnInfo(name = "category_id") val categoryId: Int,
 	@ColumnInfo(name = "created_at") val createdAt: Long,

app/src/main/java/org/koitharu/kotatsu/favourites/data/FavouriteEntity.kt

@@ -21,7 +21,7 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 		)
 	]
 )
-data class FavouriteEntity(
+class FavouriteEntity(
 	@ColumnInfo(name = "manga_id", index = true) val mangaId: Long,
 	@ColumnInfo(name = "category_id", index = true) val categoryId: Long,
 	@ColumnInfo(name = "created_at") val createdAt: Long

app/src/main/java/org/koitharu/kotatsu/favourites/data/FavouriteManga.kt

@@ -7,7 +7,7 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 import org.koitharu.kotatsu.core.db.entity.MangaTagsEntity
 import org.koitharu.kotatsu.core.db.entity.TagEntity
 
-data class FavouriteManga(
+class FavouriteManga(
 	@Embedded val favourite: FavouriteEntity,
 	@Relation(
 		parentColumn = "manga_id",

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

@@ -30,9 +30,7 @@ class FavouritesContainerFragment : BaseFragment<FragmentFavouritesBinding>(),
 
 	override val recycledViewPool = RecyclerView.RecycledViewPool()
 
-	private val viewModel by viewModel<FavouritesCategoriesViewModel>(
-		mode = LazyThreadSafetyMode.NONE
-	)
+	private val viewModel by viewModel<FavouritesCategoriesViewModel>()
 	private val editDelegate by lazy(LazyThreadSafetyMode.NONE) {
 		CategoriesEditDelegate(requireContext(), this)
 	}

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

@@ -30,9 +30,7 @@ class CategoriesActivity : BaseActivity<ActivityCategoriesBinding>(),
 	OnListItemClickListener<FavouriteCategory>,
 	View.OnClickListener, CategoriesEditDelegate.CategoriesEditCallback {
 
-	private val viewModel by viewModel<FavouritesCategoriesViewModel>(
-		mode = LazyThreadSafetyMode.NONE
-	)
+	private val viewModel by viewModel<FavouritesCategoriesViewModel>()
 
 	private lateinit var adapter: CategoriesAdapter
 	private lateinit var reorderHelper: ItemTouchHelper

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

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.favourites.ui.categories
 
 import android.content.Context
 import android.text.InputType
+import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.dialog.TextInputDialog
@@ -32,7 +33,12 @@ class CategoriesEditDelegate(
 			.setNegativeButton(android.R.string.cancel)
 			.setMaxLength(MAX_TITLE_LENGTH, false)
 			.setPositiveButton(R.string.rename) { _, name ->
-				callback.onRenameCategory(category, name)
+				val trimmed = name.trim()
+				if (trimmed.isEmpty()) {
+					Toast.makeText(context, R.string.error_empty_name, Toast.LENGTH_SHORT).show()
+				} else {
+					callback.onRenameCategory(category, name)
+				}
 			}.create()
 			.show()
 	}
@@ -45,7 +51,12 @@ class CategoriesEditDelegate(
 			.setNegativeButton(android.R.string.cancel)
 			.setMaxLength(MAX_TITLE_LENGTH, false)
 			.setPositiveButton(R.string.add) { _, name ->
-				callback.onCreateCategory(name)
+				val trimmed = name.trim()
+				if (trimmed.isEmpty()) {
+					Toast.makeText(context, R.string.error_empty_name, Toast.LENGTH_SHORT).show()
+				} else {
+					callback.onCreateCategory(trimmed)
+				}
 			}.create()
 			.show()
 	}

app/src/main/java/org/koitharu/kotatsu/favourites/ui/categories/select/FavouriteCategoriesDialog.kt

@@ -25,7 +25,7 @@ class FavouriteCategoriesDialog : BaseBottomSheet<DialogFavoriteCategoriesBindin
 	OnListItemClickListener<MangaCategoryItem>, CategoriesEditDelegate.CategoriesEditCallback,
 	View.OnClickListener {
 
-	private val viewModel by viewModel<MangaCategoriesViewModel>(mode = LazyThreadSafetyMode.NONE) {
+	private val viewModel by viewModel<MangaCategoriesViewModel> {
 		parametersOf(requireNotNull(arguments?.getParcelable<Manga>(MangaIntent.KEY_MANGA)))
 	}
 
@@ -36,7 +36,7 @@ class FavouriteCategoriesDialog : BaseBottomSheet<DialogFavoriteCategoriesBindin
 
 	override fun onInflateView(
 		inflater: LayoutInflater,
-		container: ViewGroup?
+		container: ViewGroup?,
 	) = DialogFavoriteCategoriesBinding.inflate(inflater, container, false)
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

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

@@ -12,7 +12,7 @@ import org.koitharu.kotatsu.utils.ext.withArgs
 
 class FavouritesListFragment : MangaListFragment() {
 
-	override val viewModel by viewModel<FavouritesListViewModel>(mode = LazyThreadSafetyMode.NONE) {
+	override val viewModel by viewModel<FavouritesListViewModel> {
 		parametersOf(categoryId)
 	}
 

app/src/main/java/org/koitharu/kotatsu/history/HistoryModule.kt

@@ -8,6 +8,6 @@ import org.koitharu.kotatsu.history.ui.HistoryListViewModel
 val historyModule
 	get() = module {
 
-		single { HistoryRepository(get(), get()) }
+		single { HistoryRepository(get(), get(), get()) }
 		viewModel { HistoryListViewModel(get(), get(), get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/history/data/HistoryEntity.kt

@@ -18,14 +18,14 @@ import java.util.*
 		)
 	]
 )
-data class HistoryEntity(
+class HistoryEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id") val mangaId: Long,
 	@ColumnInfo(name = "created_at") val createdAt: Long = System.currentTimeMillis(),
 	@ColumnInfo(name = "updated_at") val updatedAt: Long,
 	@ColumnInfo(name = "chapter_id") val chapterId: Long,
 	@ColumnInfo(name = "page") val page: Int,
-	@ColumnInfo(name = "scroll") val scroll: Float
+	@ColumnInfo(name = "scroll") val scroll: Float,
 ) {
 
 	fun toMangaHistory() = MangaHistory(

app/src/main/java/org/koitharu/kotatsu/history/data/HistoryWithManga.kt

@@ -7,7 +7,7 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 import org.koitharu.kotatsu.core.db.entity.MangaTagsEntity
 import org.koitharu.kotatsu.core.db.entity.TagEntity
 
-data class HistoryWithManga(
+class HistoryWithManga(
 	@Embedded val history: HistoryEntity,
 	@Relation(
 		parentColumn = "manga_id",

app/src/main/java/org/koitharu/kotatsu/history/domain/HistoryRepository.kt

@@ -8,6 +8,7 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 import org.koitharu.kotatsu.core.db.entity.TagEntity
 import org.koitharu.kotatsu.core.model.Manga
 import org.koitharu.kotatsu.core.model.MangaHistory
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.history.data.HistoryEntity
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.ext.mapItems
@@ -16,6 +17,7 @@ import org.koitharu.kotatsu.utils.ext.mapToSet
 class HistoryRepository(
 	private val db: MangaDatabase,
 	private val trackingRepository: TrackingRepository,
+	private val settings: AppSettings,
 ) {
 
 	suspend fun getList(offset: Int, limit: Int = 20): List<Manga> {
@@ -45,6 +47,9 @@ class HistoryRepository(
 	}
 
 	suspend fun addOrUpdate(manga: Manga, chapterId: Long, page: Int, scroll: Int) {
+		if (manga.isNsfw && settings.isHistoryExcludeNsfw) {
+			return
+		}
 		val tags = manga.tags.map(TagEntity.Companion::fromMangaTag)
 		db.withTransaction {
 			db.tagsDao.upsert(tags)

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

@@ -15,7 +15,7 @@ import org.koitharu.kotatsu.utils.ext.ellipsize
 
 class HistoryListFragment : MangaListFragment() {
 
-	override val viewModel by viewModel<HistoryListViewModel>(mode = LazyThreadSafetyMode.NONE)
+	override val viewModel by viewModel<HistoryListViewModel>()
 	override val isSwipeRefreshEnabled = false
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/org/koitharu/kotatsu/image/ui/ImageActivity.kt

@@ -0,0 +1,92 @@
+package org.koitharu.kotatsu.image.ui
+
+import android.content.Context
+import android.content.Intent
+import android.graphics.drawable.Drawable
+import android.net.Uri
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.core.graphics.Insets
+import androidx.core.graphics.drawable.toBitmap
+import androidx.core.view.updatePadding
+import coil.ImageLoader
+import coil.request.CachePolicy
+import coil.request.ImageRequest
+import coil.target.PoolableViewTarget
+import com.davemorrissey.labs.subscaleview.ImageSource
+import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
+import org.koin.android.ext.android.inject
+import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.databinding.ActivityImageBinding
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.indicator
+
+class ImageActivity : BaseActivity<ActivityImageBinding>() {
+
+	private val coil: ImageLoader by inject()
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setContentView(ActivityImageBinding.inflate(layoutInflater))
+		supportActionBar?.run {
+			setDisplayHomeAsUpEnabled(true)
+			setDisplayShowTitleEnabled(false)
+		}
+		loadImage(intent.data)
+	}
+
+	override fun onWindowInsetsChanged(insets: Insets) {
+		binding.toolbar.updatePadding(
+			left = insets.left,
+			right = insets.right,
+			top = insets.top,
+		)
+	}
+
+	private fun loadImage(url: Uri?) {
+		ImageRequest.Builder(this)
+			.data(url)
+			.memoryCachePolicy(CachePolicy.DISABLED)
+			.lifecycle(this)
+			.target(SsivTarget(binding.ssiv))
+			.indicator(binding.progressBar)
+			.enqueueWith(coil)
+	}
+
+	private class SsivTarget(
+		override val view: SubsamplingScaleImageView,
+	) : PoolableViewTarget<SubsamplingScaleImageView> {
+
+		override fun onStart(placeholder: Drawable?) = setDrawable(placeholder)
+
+		override fun onError(error: Drawable?) = setDrawable(error)
+
+		override fun onSuccess(result: Drawable) = setDrawable(result)
+
+		override fun onClear() = setDrawable(null)
+
+		override fun equals(other: Any?): Boolean {
+			return (this === other) || (other is SsivTarget && view == other.view)
+		}
+
+		override fun hashCode() = view.hashCode()
+
+		override fun toString() = "SsivTarget(view=$view)"
+
+		private fun setDrawable(drawable: Drawable?) {
+			if (drawable != null) {
+				view.setImage(ImageSource.bitmap(drawable.toBitmap()))
+			} else {
+				view.recycle()
+			}
+		}
+	}
+
+	companion object {
+
+		fun newIntent(context: Context, url: String): Intent {
+			return Intent(context, ImageActivity::class.java)
+				.setData(Uri.parse(url))
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/list/domain/AvailableFilters.kt

@@ -0,0 +1,30 @@
+package org.koitharu.kotatsu.list.domain
+
+import org.koitharu.kotatsu.core.model.MangaTag
+import org.koitharu.kotatsu.core.model.SortOrder
+
+class AvailableFilters(
+	val sortOrders: Set<SortOrder>,
+	val tags: Set<MangaTag>,
+) {
+
+	val size: Int
+		get() = sortOrders.size + tags.size
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+		other as AvailableFilters
+		if (sortOrders != other.sortOrders) return false
+		if (tags != other.tags) return false
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = sortOrders.hashCode()
+		result = 31 * result + tags.hashCode()
+		return result
+	}
+
+	fun isEmpty(): Boolean = sortOrders.isEmpty() && tags.isEmpty()
+}

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

@@ -1,11 +0,0 @@
-package org.koitharu.kotatsu.list.ui
-
-import org.koitharu.kotatsu.core.model.MangaFilter
-import org.koitharu.kotatsu.core.model.MangaTag
-import org.koitharu.kotatsu.core.model.SortOrder
-
-data class MangaFilterConfig(
-	val sortOrders: List<SortOrder>,
-	val tags: List<MangaTag>,
-	val currentFilter: MangaFilter?
-)

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

@@ -22,19 +22,17 @@ import org.koitharu.kotatsu.base.ui.BaseFragment
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.base.ui.list.PaginationScrollListener
 import org.koitharu.kotatsu.base.ui.list.decor.ItemTypeDividerDecoration
-import org.koitharu.kotatsu.base.ui.list.decor.SectionItemDecoration
 import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
 import org.koitharu.kotatsu.browser.cloudflare.CloudFlareDialog
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.exceptions.resolve.ResolvableException
 import org.koitharu.kotatsu.core.model.Manga
-import org.koitharu.kotatsu.core.model.MangaFilter
 import org.koitharu.kotatsu.core.prefs.ListMode
 import org.koitharu.kotatsu.databinding.FragmentListBinding
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.list.ui.adapter.MangaListAdapter
-import org.koitharu.kotatsu.list.ui.filter.FilterAdapter
-import org.koitharu.kotatsu.list.ui.filter.OnFilterChangedListener
+import org.koitharu.kotatsu.list.ui.filter.FilterAdapter2
+import org.koitharu.kotatsu.list.ui.filter.FilterItem
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.main.ui.AppBarOwner
 import org.koitharu.kotatsu.main.ui.MainActivity
@@ -42,10 +40,11 @@ import org.koitharu.kotatsu.utils.RecycledViewPoolHolder
 import org.koitharu.kotatsu.utils.ext.*
 
 abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
-	PaginationScrollListener.Callback, OnListItemClickListener<Manga>, OnFilterChangedListener,
-	SectionItemDecoration.Callback, SwipeRefreshLayout.OnRefreshListener {
+	PaginationScrollListener.Callback, OnListItemClickListener<Manga>,
+	SwipeRefreshLayout.OnRefreshListener {
 
 	private var listAdapter: MangaListAdapter? = null
+	private var filterAdapter: FilterAdapter2? = null
 	private var paginationListener: PaginationScrollListener? = null
 	private val spanResolver = MangaListSpanResolver()
 	private val spanSizeLookup = SpanSizeLookup()
@@ -78,6 +77,7 @@ abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
 			onRetryClick = ::resolveException,
 			onTagRemoveClick = viewModel::onRemoveFilterTag
 		)
+		filterAdapter = FilterAdapter2(viewModel)
 		paginationListener = PaginationScrollListener(4, this)
 		with(binding.recyclerView) {
 			setHasFixedSize(true)
@@ -94,8 +94,7 @@ abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
 		}
 		with(binding.recyclerViewFilter) {
 			setHasFixedSize(true)
-			addItemDecoration(ItemTypeDividerDecoration(view.context))
-			addItemDecoration(SectionItemDecoration(false, this@MangaListFragment))
+			adapter = filterAdapter
 		}
 
 		(parentFragment as? RecycledViewPoolHolder)?.let {
@@ -113,6 +112,7 @@ abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
 	override fun onDestroyView() {
 		drawer = null
 		listAdapter = null
+		filterAdapter = null
 		paginationListener = null
 		spanSizeLookup.invalidateCache()
 		super.onDestroyView()
@@ -203,28 +203,21 @@ abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
 		}
 	}
 
-	protected fun onInitFilter(config: MangaFilterConfig) {
-		binding.recyclerViewFilter.adapter = FilterAdapter(
-			sortOrders = config.sortOrders,
-			tags = config.tags,
-			state = config.currentFilter,
-			listener = this
-		)
+	protected fun onInitFilter(filter: List<FilterItem>) {
+		filterAdapter?.items = filter
 		drawer?.setDrawerLockMode(
-			if (config.sortOrders.isEmpty() && config.tags.isEmpty()) {
+			if (filter.isEmpty()) {
 				DrawerLayout.LOCK_MODE_LOCKED_CLOSED
 			} else {
 				DrawerLayout.LOCK_MODE_UNLOCKED
 			}
 		) ?: binding.dividerFilter?.let {
-			it.isGone = config.sortOrders.isEmpty() && config.tags.isEmpty()
+			it.isGone = filter.isEmpty()
 			binding.recyclerViewFilter.isVisible = it.isVisible
 		}
 		activity?.invalidateOptionsMenu()
 	}
 
-	override fun onFilterChanged(filter: MangaFilter) = Unit
-
 	override fun onWindowInsetsChanged(insets: Insets) {
 		val headerHeight = (activity as? AppBarOwner)?.appBar?.measureHeight() ?: insets.top
 		binding.recyclerViewFilter.updatePadding(
@@ -284,20 +277,6 @@ abstract class MangaListFragment : BaseFragment<FragmentListBinding>(),
 		}
 	}
 
-	final override fun isSection(position: Int): Boolean {
-		return position == 0 || binding.recyclerViewFilter.adapter?.run {
-			getItemViewType(position) != getItemViewType(position - 1)
-		} ?: false
-	}
-
-	final override fun getSectionTitle(position: Int): CharSequence? {
-		return when (binding.recyclerViewFilter.adapter?.getItemViewType(position)) {
-			FilterAdapter.VIEW_TYPE_SORT -> getString(R.string.sort_order)
-			FilterAdapter.VIEW_TYPE_TAG -> getString(R.string.genres)
-			else -> null
-		}
-	}
-
 	protected open fun onCreatePopupMenu(inflater: MenuInflater, menu: Menu, data: Manga) = Unit
 
 	protected open fun onPopupMenuItemSelected(item: MenuItem, data: Manga) = false

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

@@ -1,23 +1,32 @@
 package org.koitharu.kotatsu.list.ui
 
+import androidx.annotation.CallSuper
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.cancelAndJoin
+import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.flow.*
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.core.model.MangaFilter
 import org.koitharu.kotatsu.core.model.MangaTag
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.ListMode
+import org.koitharu.kotatsu.list.domain.AvailableFilters
+import org.koitharu.kotatsu.list.ui.filter.FilterItem
+import org.koitharu.kotatsu.list.ui.filter.OnFilterChangedListener
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 
 abstract class MangaListViewModel(
-	private val settings: AppSettings
-) : BaseViewModel() {
+	private val settings: AppSettings,
+) : BaseViewModel(), OnFilterChangedListener {
 
 	abstract val content: LiveData<List<ListModel>>
-	val filter = MutableLiveData<MangaFilterConfig>()
+	val filter = MutableLiveData<List<FilterItem>>()
 	val listMode = MutableLiveData<ListMode>()
 	val gridScale = settings.observe()
 		.filter { it == AppSettings.KEY_GRID_SIZE }
@@ -37,7 +46,62 @@ abstract class MangaListViewModel(
 			}
 		}
 
-	open fun onRemoveFilterTag(tag: MangaTag) = Unit
+	protected var currentFilter: MangaFilter = MangaFilter(null, emptySet())
+		private set(value) {
+			field = value
+			onFilterChanged()
+		}
+	protected var availableFilters: AvailableFilters? = null
+	private var filterJob: Job? = null
+
+	final override fun onSortItemClick(item: FilterItem.Sort) {
+		currentFilter = currentFilter.copy(sortOrder = item.order)
+	}
+
+	final override fun onTagItemClick(item: FilterItem.Tag) {
+		val tags = if (item.isChecked) {
+			currentFilter.tags - item.tag
+		} else {
+			currentFilter.tags + item.tag
+		}
+		currentFilter = currentFilter.copy(tags = tags)
+	}
+
+	fun onRemoveFilterTag(tag: MangaTag) {
+		val tags = currentFilter.tags
+		if (tag !in tags) {
+			return
+		}
+		currentFilter = currentFilter.copy(tags = tags - tag)
+	}
+
+	@CallSuper
+	open fun onFilterChanged() {
+		val previousJob = filterJob
+		filterJob = launchJob(Dispatchers.Default) {
+			previousJob?.cancelAndJoin()
+			filter.postValue(
+				availableFilters?.run {
+					val list = ArrayList<FilterItem>(size + 2)
+					if (sortOrders.isNotEmpty()) {
+						val selectedSort = currentFilter.sortOrder ?: sortOrders.first()
+						list += FilterItem.Header(R.string.sort_order)
+						sortOrders.sortedBy { it.ordinal }.mapTo(list) {
+							FilterItem.Sort(it, isSelected = it == selectedSort)
+						}
+					}
+					if (tags.isNotEmpty()) {
+						list += FilterItem.Header(R.string.genres)
+						tags.sortedBy { it.title }.mapTo(list) {
+							FilterItem.Tag(it, isChecked = it in currentFilter.tags)
+						}
+					}
+					ensureActive()
+					list
+				}.orEmpty()
+			)
+		}
+	}
 
 	abstract fun onRefresh()
 

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

@@ -43,10 +43,6 @@ class MangaListAdapter(
 			.addDelegate(ITEM_TYPE_FILTER, currentFilterAD(onTagRemoveClick))
 	}
 
-	fun setItems(list: List<ListModel>, commitCallback: Runnable) {
-		differ.submitList(list, commitCallback)
-	}
-
 	private class DiffCallback : DiffUtil.ItemCallback<ListModel>() {
 
 		override fun areItemsTheSame(oldItem: ListModel, newItem: ListModel) = when {

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

@@ -1,94 +0,0 @@
-package org.koitharu.kotatsu.list.ui.filter
-
-import android.view.ViewGroup
-import androidx.recyclerview.widget.RecyclerView
-import org.koitharu.kotatsu.base.ui.list.BaseViewHolder
-import org.koitharu.kotatsu.core.model.MangaFilter
-import org.koitharu.kotatsu.core.model.MangaTag
-import org.koitharu.kotatsu.core.model.SortOrder
-
-class FilterAdapter(
-	private val sortOrders: List<SortOrder> = emptyList(),
-	private val tags: List<MangaTag> = emptyList(),
-	state: MangaFilter?,
-	private val listener: OnFilterChangedListener
-) : RecyclerView.Adapter<BaseViewHolder<*, Boolean, *>>() {
-
-	private var currentState = state ?: MangaFilter(sortOrders.firstOrNull(), emptySet())
-
-	override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = when (viewType) {
-		VIEW_TYPE_SORT -> FilterSortHolder(parent).apply {
-			itemView.setOnClickListener {
-				setCheckedSort(requireData())
-			}
-		}
-		VIEW_TYPE_TAG -> FilterTagHolder(parent).apply {
-			itemView.setOnClickListener {
-				setCheckedTag(boundData ?: return@setOnClickListener, !isChecked)
-			}
-		}
-		else -> throw IllegalArgumentException("Unknown viewType $viewType")
-	}
-
-	override fun getItemCount() = sortOrders.size + tags.size
-
-	override fun onBindViewHolder(holder: BaseViewHolder<*, Boolean, *>, position: Int) {
-		when (holder) {
-			is FilterSortHolder -> {
-				val item = sortOrders[position]
-				holder.bind(item, item == currentState.sortOrder)
-			}
-			is FilterTagHolder -> {
-				val item = tags[position - sortOrders.size]
-				holder.bind(item, item in currentState.tags)
-			}
-		}
-	}
-
-	override fun getItemViewType(position: Int) = when (position) {
-		in sortOrders.indices -> VIEW_TYPE_SORT
-		else -> VIEW_TYPE_TAG
-	}
-
-	fun setCheckedTag(tag: MangaTag, isChecked: Boolean) {
-		currentState = if (tag in currentState.tags) {
-			if (!isChecked) {
-				currentState.copy(tags = currentState.tags - tag)
-			} else {
-				return
-			}
-		} else {
-			if (isChecked) {
-				currentState.copy(tags = currentState.tags + tag)
-			} else {
-				return
-			}
-		}
-		val index = tags.indexOf(tag)
-		if (index in tags.indices) {
-			notifyItemChanged(sortOrders.size + index)
-		}
-		listener.onFilterChanged(currentState)
-	}
-
-	fun setCheckedSort(sort: SortOrder) {
-		if (sort != currentState.sortOrder) {
-			val oldItemPos = sortOrders.indexOf(currentState.sortOrder)
-			val newItemPos = sortOrders.indexOf(sort)
-			currentState = currentState.copy(sortOrder = sort)
-			if (oldItemPos in sortOrders.indices) {
-				notifyItemChanged(oldItemPos)
-			}
-			if (newItemPos in sortOrders.indices) {
-				notifyItemChanged(newItemPos)
-			}
-			listener.onFilterChanged(currentState)
-		}
-	}
-
-	companion object {
-
-		const val VIEW_TYPE_SORT = 0
-		const val VIEW_TYPE_TAG = 1
-	}
-}

app/src/main/java/org/koitharu/kotatsu/list/ui/filter/FilterAdapter2.kt

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.list.ui.filter
+
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+
+class FilterAdapter2(
+	listener: OnFilterChangedListener,
+) : AsyncListDifferDelegationAdapter<FilterItem>(
+	FilterDiffCallback(),
+	filterSortDelegate(listener),
+	filterTagDelegate(listener),
+	filterHeaderDelegate(),
+)

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

@@ -0,0 +1,47 @@
+package org.koitharu.kotatsu.list.ui.filter
+
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.databinding.ItemCheckableMultipleBinding
+import org.koitharu.kotatsu.databinding.ItemCheckableSingleBinding
+import org.koitharu.kotatsu.databinding.ItemFilterHeaderBinding
+
+fun filterSortDelegate(
+	listener: OnFilterChangedListener,
+) = adapterDelegateViewBinding<FilterItem.Sort, FilterItem, ItemCheckableSingleBinding>(
+	{ layoutInflater, parent -> ItemCheckableSingleBinding.inflate(layoutInflater, parent, false) }
+) {
+
+	itemView.setOnClickListener {
+		listener.onSortItemClick(item)
+	}
+
+	bind {
+		binding.root.setText(item.order.titleRes)
+		binding.root.isChecked = item.isSelected
+	}
+}
+
+fun filterTagDelegate(
+	listener: OnFilterChangedListener,
+) = adapterDelegateViewBinding<FilterItem.Tag, FilterItem, ItemCheckableMultipleBinding>(
+	{ layoutInflater, parent -> ItemCheckableMultipleBinding.inflate(layoutInflater, parent, false) }
+) {
+
+	itemView.setOnClickListener {
+		listener.onTagItemClick(item)
+	}
+
+	bind {
+		binding.root.text = item.tag.title
+		binding.root.isChecked = item.isChecked
+	}
+}
+
+fun filterHeaderDelegate() = adapterDelegateViewBinding<FilterItem.Header, FilterItem, ItemFilterHeaderBinding>(
+	{ layoutInflater, parent -> ItemFilterHeaderBinding.inflate(layoutInflater, parent, false) }
+) {
+
+	bind {
+		binding.root.setText(item.titleResId)
+	}
+}

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

@@ -0,0 +1,48 @@
+package org.koitharu.kotatsu.list.ui.filter
+
+import androidx.recyclerview.widget.DiffUtil
+
+class FilterDiffCallback : DiffUtil.ItemCallback<FilterItem>() {
+
+	override fun areItemsTheSame(oldItem: FilterItem, newItem: FilterItem): Boolean {
+		return when {
+			oldItem.javaClass != newItem.javaClass -> false
+			oldItem is FilterItem.Header && newItem is FilterItem.Header -> {
+				oldItem.titleResId == newItem.titleResId
+			}
+			oldItem is FilterItem.Tag && newItem is FilterItem.Tag -> {
+				oldItem.tag == newItem.tag
+			}
+			oldItem is FilterItem.Sort && newItem is FilterItem.Sort -> {
+				oldItem.order == newItem.order
+			}
+			else -> false
+		}
+	}
+
+	override fun areContentsTheSame(oldItem: FilterItem, newItem: FilterItem): Boolean {
+		return when {
+			oldItem is FilterItem.Header && newItem is FilterItem.Header -> true
+			oldItem is FilterItem.Tag && newItem is FilterItem.Tag -> {
+				oldItem.isChecked == newItem.isChecked
+			}
+			oldItem is FilterItem.Sort && newItem is FilterItem.Sort -> {
+				oldItem.isSelected == newItem.isSelected
+			}
+			else -> false
+		}
+	}
+
+	override fun getChangePayload(oldItem: FilterItem, newItem: FilterItem): Any? {
+		val isCheckedChanged = when {
+			oldItem is FilterItem.Tag && newItem is FilterItem.Tag -> {
+				oldItem.isChecked != newItem.isChecked
+			}
+			oldItem is FilterItem.Sort && newItem is FilterItem.Sort -> {
+				oldItem.isSelected != newItem.isSelected
+			}
+			else -> false
+		}
+		return if (isCheckedChanged) Unit else super.getChangePayload(oldItem, newItem)
+	}
+}

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

@@ -0,0 +1,22 @@
+package org.koitharu.kotatsu.list.ui.filter
+
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.core.model.MangaTag
+import org.koitharu.kotatsu.core.model.SortOrder
+
+sealed interface FilterItem {
+
+	class Header(
+		@StringRes val titleResId: Int,
+	) : FilterItem
+
+	class Sort(
+		val order: SortOrder,
+		val isSelected: Boolean,
+	) : FilterItem
+
+	class Tag(
+		val tag: MangaTag,
+		val isChecked: Boolean,
+	) : FilterItem
+}

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

@@ -1,18 +0,0 @@
-package org.koitharu.kotatsu.list.ui.filter
-
-import android.view.LayoutInflater
-import android.view.ViewGroup
-import org.koitharu.kotatsu.base.ui.list.BaseViewHolder
-import org.koitharu.kotatsu.core.model.SortOrder
-import org.koitharu.kotatsu.databinding.ItemCheckableSingleBinding
-
-class FilterSortHolder(parent: ViewGroup) :
-	BaseViewHolder<SortOrder, Boolean, ItemCheckableSingleBinding>(
-		ItemCheckableSingleBinding.inflate(LayoutInflater.from(parent.context), parent, false)
-	) {
-
-	override fun onBind(data: SortOrder, extra: Boolean) {
-		binding.root.setText(data.titleRes)
-		binding.root.isChecked = extra
-	}
-}

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

@@ -1,21 +0,0 @@
-package org.koitharu.kotatsu.list.ui.filter
-
-import android.view.LayoutInflater
-import android.view.ViewGroup
-import org.koitharu.kotatsu.base.ui.list.BaseViewHolder
-import org.koitharu.kotatsu.core.model.MangaTag
-import org.koitharu.kotatsu.databinding.ItemCheckableMultipleBinding
-
-class FilterTagHolder(parent: ViewGroup) :
-	BaseViewHolder<MangaTag, Boolean, ItemCheckableMultipleBinding>(
-		ItemCheckableMultipleBinding.inflate(LayoutInflater.from(parent.context), parent, false)
-	) {
-
-	val isChecked: Boolean
-		get() = binding.root.isChecked
-
-	override fun onBind(data: MangaTag, extra: Boolean) {
-		binding.root.text = data.title
-		binding.root.isChecked = extra
-	}
-}

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

@@ -1,8 +1,8 @@
 package org.koitharu.kotatsu.list.ui.filter
 
-import org.koitharu.kotatsu.core.model.MangaFilter
+interface OnFilterChangedListener {
 
-fun interface OnFilterChangedListener {
+	fun onSortItemClick(item: FilterItem.Sort)
 
-	fun onFilterChanged(filter: MangaFilter)
+	fun onTagItemClick(item: FilterItem.Tag)
 }

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

@@ -69,8 +69,9 @@ class LocalMangaRepository(private val context: Context) : MangaRepository {
 				MangaPage(
 					id = entryUri.longHashCode(),
 					url = entryUri,
+					preview = null,
 					referer = chapter.url,
-					source = MangaSource.LOCAL
+					source = MangaSource.LOCAL,
 				)
 			}
 	}
@@ -124,7 +125,9 @@ class LocalMangaRepository(private val context: Context) : MangaRepository {
 					number = i + 1,
 					source = MangaSource.LOCAL,
 					uploadDate = 0L,
-					url = uriBuilder.fragment(s).build().toString()
+					url = uriBuilder.fragment(s).build().toString(),
+					scanlator = null,
+					branch = null,
 				)
 			}
 		)

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

@@ -19,9 +19,9 @@ import org.koitharu.kotatsu.download.ui.service.DownloadService
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.utils.ext.ellipsize
 
-class LocalListFragment : MangaListFragment(), ActivityResultCallback<Uri> {
+class LocalListFragment : MangaListFragment(), ActivityResultCallback<Uri?> {
 
-	override val viewModel by viewModel<LocalListViewModel>(mode = LazyThreadSafetyMode.NONE)
+	override val viewModel by viewModel<LocalListViewModel>()
 	private val importCall = registerForActivityResult(
 		ActivityResultContracts.OpenDocument(),
 		this

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

@@ -16,9 +16,9 @@ import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.*
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
-import org.koitharu.kotatsu.utils.MediaStoreCompat
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.ext.resolveName
 import java.io.File
 import java.io.IOException
 
@@ -74,7 +74,7 @@ class LocalListViewModel(
 		launchLoadingJob {
 			val contentResolver = context.contentResolver
 			withContext(Dispatchers.IO) {
-				val name = MediaStoreCompat(contentResolver).getName(uri)
+				val name = contentResolver.resolveName(uri)
 					?: throw IOException("Cannot fetch name from uri: $uri")
 				if (!LocalMangaRepository.isFileSupported(name)) {
 					throw UnsupportedFileException("Unsupported file on $uri")

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

@@ -57,10 +57,8 @@ class MainActivity : BaseActivity<ActivityMainBinding>(),
 	NavigationView.OnNavigationItemSelectedListener, AppBarOwner,
 	View.OnClickListener, View.OnFocusChangeListener, SearchSuggestionListener {
 
-	private val viewModel by viewModel<MainViewModel>(mode = LazyThreadSafetyMode.NONE)
-	private val searchSuggestionViewModel by viewModel<SearchSuggestionViewModel>(
-		mode = LazyThreadSafetyMode.NONE
-	)
+	private val viewModel by viewModel<MainViewModel>()
+	private val searchSuggestionViewModel by viewModel<SearchSuggestionViewModel>()
 
 	private lateinit var navHeaderBinding: NavigationHeaderBinding
 	private lateinit var drawerToggle: ActionBarDrawerToggle

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

@@ -19,7 +19,7 @@ import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 class ProtectActivity : BaseActivity<ActivityProtectBinding>(), TextView.OnEditorActionListener,
 	TextWatcher, View.OnClickListener {
 
-	private val viewModel by viewModel<ProtectViewModel>(mode = LazyThreadSafetyMode.NONE)
+	private val viewModel by viewModel<ProtectViewModel>()
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)

app/src/main/java/org/koitharu/kotatsu/reader/ReaderModule.kt

@@ -13,6 +13,6 @@ val readerModule
 		single { PagesCache(get()) }
 
 		viewModel { params ->
-			ReaderViewModel(params[0], params[1], get(), get(), get(), get())
+			ReaderViewModel(params[0], params[1], get(), get(), get(), get(), get())
 		}
 	}

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

@@ -55,7 +55,7 @@ class ReaderActivity : BaseFullscreenActivity<ActivityReaderBinding>(),
 	GridTouchHelper.OnGridTouchListener, OnPageSelectListener, ReaderConfigDialog.Callback,
 	ActivityResultCallback<Boolean>, ReaderControlDelegate.OnInteractionListener {
 
-	private val viewModel by viewModel<ReaderViewModel>(mode = LazyThreadSafetyMode.NONE) {
+	private val viewModel by viewModel<ReaderViewModel> {
 		parametersOf(MangaIntent.from(intent), intent?.getParcelableExtra<ReaderState>(EXTRA_STATE))
 	}
 
@@ -196,7 +196,7 @@ class ReaderActivity : BaseFullscreenActivity<ActivityReaderBinding>(),
 	override fun onActivityResult(result: Boolean) {
 		if (result) {
 			viewModel.saveCurrentState(reader?.getCurrentState())
-			viewModel.saveCurrentPage(contentResolver)
+			viewModel.saveCurrentPage()
 		}
 	}
 

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

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.reader.ui
 import android.content.ContentResolver
 import android.net.Uri
 import android.util.LongSparseArray
-import android.webkit.URLUtil
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.*
@@ -23,10 +22,9 @@ import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.ReaderMode
 import org.koitharu.kotatsu.history.domain.HistoryRepository
-import org.koitharu.kotatsu.local.data.PagesCache
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
 import org.koitharu.kotatsu.reader.ui.pager.ReaderUiState
-import org.koitharu.kotatsu.utils.MediaStoreCompat
+import org.koitharu.kotatsu.utils.DownloadManagerHelper
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.IgnoreErrors
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
@@ -38,7 +36,8 @@ class ReaderViewModel(
 	private val dataRepository: MangaDataRepository,
 	private val historyRepository: HistoryRepository,
 	private val shortcutsRepository: ShortcutsRepository,
-	private val settings: AppSettings
+	private val settings: AppSettings,
+	private val downloadManagerHelper: DownloadManagerHelper,
 ) : BaseViewModel() {
 
 	private var loadingJob: Job? = null
@@ -150,7 +149,7 @@ class ReaderViewModel(
 		return pages.filter { it.chapterId == chapterId }.map { it.toMangaPage() }
 	}
 
-	fun saveCurrentPage(resolver: ContentResolver) {
+	fun saveCurrentPage() {
 		launchJob(Dispatchers.Default) {
 			try {
 				val state = currentState.value ?: error("Undefined state")
@@ -159,13 +158,8 @@ class ReaderViewModel(
 				}?.toMangaPage() ?: error("Page not found")
 				val repo = MangaRepository(page.source)
 				val pageUrl = repo.getPageUrl(page)
-				val file = get<PagesCache>()[pageUrl] ?: error("Page not found in cache")
-				val uri = file.inputStream().use { input ->
-					val fileName = URLUtil.guessFileName(pageUrl, null, null)
-					MediaStoreCompat(resolver).insertImage(fileName) {
-						input.copyTo(it)
-					}
-				}
+				val downloadId = downloadManagerHelper.downloadPage(page, pageUrl)
+				val uri = downloadManagerHelper.awaitDownload(downloadId)
 				onPageSaved.postCall(uri)
 			} catch (e: CancellationException) {
 			} catch (e: Exception) {

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

@@ -47,10 +47,6 @@ abstract class BaseReaderAdapter<H : BasePageHolder<*>>(
 		viewType: Int
 	): H = onCreateViewHolder(parent, loader, settings, exceptionResolver)
 
-	fun setItems(items: List<ReaderPage>, callback: Runnable) {
-		differ.submitList(items, callback)
-	}
-
 	suspend fun setItems(items: List<ReaderPage>) = suspendCoroutine<Unit> { cont ->
 		differ.submitList(items) {
 			cont.resume(Unit)

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

@@ -5,32 +5,27 @@ import androidx.viewpager2.widget.ViewPager2
 
 class ReversedPageAnimTransformer : ViewPager2.PageTransformer {
 
-	override fun transformPage(page: View, position: Float) {
-		with(page) {
-			val pageWidth = width
-			when {
-				position > 1 -> alpha = 0f
-				position >= 0 -> {
-					alpha = 1f
-					translationX = 0f
-					translationZ = 0f
-					scaleX = 1 + FACTOR * position
-					scaleY = 1f
-				}
-				position >= -1 -> {
-					alpha = 1f
-					translationX = pageWidth * -position
-					translationZ = -1f
-					scaleX = 1f
-					scaleY = 1f
-				}
-				else -> alpha = 0f
+	override fun transformPage(page: View, position: Float) = with(page) {
+		translationX = -position * width
+		pivotX = width.toFloat()
+		pivotY = height / 2f
+		cameraDistance = 20000f
+		when {
+			position < -1f || position > 1f -> {
+				alpha = 0f
+				rotationY = 0f
+				translationZ = -1f
+			}
+			position <= 0f -> {
+				alpha = 1f
+				rotationY = 0f
+				translationZ = 0f
+			}
+			position > 0f -> {
+				alpha = 1f
+				rotationY = 120 * position
+				translationZ = 2f
 			}
 		}
 	}
-
-	private companion object {
-
-		const val FACTOR = 0.1f
-	}
 }

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

@@ -1,6 +1,8 @@
 package org.koitharu.kotatsu.reader.ui.pager.reversed
 
 import android.graphics.PointF
+import android.view.Gravity
+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
@@ -16,6 +18,11 @@ class ReversedPageHolder(
 	exceptionResolver: ExceptionResolver
 ) : PageHolder(binding, loader, settings, exceptionResolver) {
 
+	init {
+		(binding.textViewNumber.layoutParams as FrameLayout.LayoutParams)
+			.gravity = Gravity.START or Gravity.BOTTOM
+	}
+
 	override fun onImageShowing(zoom: ZoomMode) {
 		with(binding.ssiv) {
 			maxScale = 2f * maxOf(

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

@@ -5,32 +5,27 @@ import androidx.viewpager2.widget.ViewPager2
 
 class PageAnimTransformer : ViewPager2.PageTransformer {
 
-	override fun transformPage(page: View, position: Float) {
-		page.apply {
-			val pageWidth = width
-			when {
-				position < -1 -> alpha = 0f
-				position <= 0 -> { // [-1,0]
-					alpha = 1f
-					translationX = 0f
-					translationZ = 0f
-					scaleX = 1 + FACTOR * position
-					scaleY = 1f
-				}
-				position <= 1 -> { // (0,1]
-					alpha = 1f
-					translationX = pageWidth * -position
-					translationZ = -1f
-					scaleX = 1f
-					scaleY = 1f
-				}
-				else -> alpha = 0f
+	override fun transformPage(page: View, position: Float) = with(page) {
+		translationX = -position * width
+		pivotX = 0f
+		pivotY = height / 2f
+		cameraDistance = 20000f
+		when {
+			position < -1f || position > 1f -> {
+				alpha = 0f
+				rotationY = 0f
+				translationZ = -1f
+			}
+			position > 0f -> {
+				alpha = 1f
+				rotationY = 0f
+				translationZ = 0f
+			}
+			position <= 0f -> {
+				alpha = 1f
+				rotationY = 120 * position
+				translationZ = 2f
 			}
 		}
 	}
-
-	private companion object {
-
-		const val FACTOR = 0.1f
-	}
 }

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

@@ -20,17 +20,20 @@ import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 open class PageHolder(
 	binding: ItemPageBinding,
 	loader: PageLoader,
-	settings: AppSettings, exceptionResolver: ExceptionResolver
+	settings: AppSettings,
+	exceptionResolver: ExceptionResolver,
 ) : BasePageHolder<ItemPageBinding>(binding, loader, settings, exceptionResolver),
 	View.OnClickListener {
 
 	init {
 		binding.ssiv.setOnImageEventListener(delegate)
 		binding.buttonRetry.setOnClickListener(this)
+		binding.textViewNumber.isVisible = settings.isPagesNumbersEnabled
 	}
 
 	override fun onBind(data: ReaderPage) {
 		delegate.onBind(data.toMangaPage())
+		binding.textViewNumber.text = (data.index + 1).toString()
 	}
 
 	override fun onRecycled() {

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

@@ -6,7 +6,6 @@ import android.view.MenuItem
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import org.koin.core.parameter.parametersOf
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.model.MangaFilter
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.reader.ui.SimpleSettingsActivity
@@ -15,7 +14,7 @@ import org.koitharu.kotatsu.utils.ext.withArgs
 
 class RemoteListFragment : MangaListFragment() {
 
-	override val viewModel by viewModel<RemoteListViewModel>(mode = LazyThreadSafetyMode.NONE) {
+	override val viewModel by viewModel<RemoteListViewModel> {
 		parametersOf(source)
 	}
 
@@ -29,10 +28,6 @@ class RemoteListFragment : MangaListFragment() {
 		return source.title
 	}
 
-	override fun onFilterChanged(filter: MangaFilter) {
-		viewModel.applyFilter(filter)
-	}
-
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
 		super.onCreateOptionsMenu(menu, inflater)
 		inflater.inflate(R.menu.opt_list_remote, menu)

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

@@ -9,12 +9,10 @@ import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.widgets.ChipsView
 import org.koitharu.kotatsu.core.model.Manga
-import org.koitharu.kotatsu.core.model.MangaFilter
-import org.koitharu.kotatsu.core.model.MangaTag
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.list.ui.MangaFilterConfig
+import org.koitharu.kotatsu.list.domain.AvailableFilters
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.*
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
@@ -27,7 +25,6 @@ class RemoteListViewModel(
 	private val mangaList = MutableStateFlow<List<Manga>?>(null)
 	private val hasNextPage = MutableStateFlow(false)
 	private val listError = MutableStateFlow<Throwable?>(null)
-	private var appliedFilter: MangaFilter? = null
 	private var loadingJob: Job? = null
 	private val headerModel = ListHeader((repository as RemoteMangaRepository).title, 0)
 
@@ -68,16 +65,6 @@ class RemoteListViewModel(
 		loadList(append = !mangaList.value.isNullOrEmpty())
 	}
 
-	override fun onRemoveFilterTag(tag: MangaTag) {
-		val filter = appliedFilter ?: return
-		if (tag !in filter.tags) {
-			return
-		}
-		applyFilter(
-			filter.copy(tags = filter.tags - tag)
-		)
-	}
-
 	fun loadNextPage() {
 		if (hasNextPage.value && listError.value == null) {
 			loadList(append = true)
@@ -93,8 +80,8 @@ class RemoteListViewModel(
 				listError.value = null
 				val list = repository.getList2(
 					offset = if (append) mangaList.value?.size ?: 0 else 0,
-					sortOrder = appliedFilter?.sortOrder,
-					tags = appliedFilter?.tags,
+					sortOrder = currentFilter.sortOrder,
+					tags = currentFilter.tags,
 				)
 				if (!append) {
 					mangaList.value = list
@@ -111,26 +98,29 @@ class RemoteListViewModel(
 		}
 	}
 
-	fun applyFilter(newFilter: MangaFilter) {
-		appliedFilter = newFilter
+	override fun onFilterChanged() {
+		super.onFilterChanged()
 		mangaList.value = null
 		hasNextPage.value = false
 		loadList(false)
-		filter.value?.run {
-			filter.value = copy(currentFilter = newFilter)
-		}
 	}
 
-	private fun createFilterModel() = appliedFilter?.run {
-		CurrentFilterModel(tags.map { ChipsView.ChipModel(0, it.title, it) })
+	private fun createFilterModel(): CurrentFilterModel? {
+		val tags = currentFilter.tags
+		return if (tags.isEmpty()) {
+			null
+		} else {
+			CurrentFilterModel(tags.map { ChipsView.ChipModel(0, it.title, it) })
+		}
 	}
 
 	private fun loadFilter() {
 		launchJob(Dispatchers.Default) {
 			try {
-				val sorts = repository.sortOrders.sortedBy { it.ordinal }
-				val tags = repository.getTags().sortedBy { it.title }
-				filter.postValue(MangaFilterConfig(sorts, tags, appliedFilter))
+				val sorts = repository.sortOrders
+				val tags = repository.getTags()
+				availableFilters = AvailableFilters(sorts, tags)
+				onFilterChanged()
 			} catch (e: Exception) {
 				if (BuildConfig.DEBUG) {
 					e.printStackTrace()

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

@@ -18,9 +18,7 @@ import org.koitharu.kotatsu.utils.ext.showKeyboard
 
 class SearchActivity : BaseActivity<ActivitySearchBinding>(), SearchView.OnQueryTextListener {
 
-	private val searchSuggestionViewModel by viewModel<SearchSuggestionViewModel>(
-		mode = LazyThreadSafetyMode.NONE
-	)
+	private val searchSuggestionViewModel by viewModel<SearchSuggestionViewModel>()
 	private lateinit var source: MangaSource
 
 	override fun onCreate(savedInstanceState: Bundle?) {