Translated using Weblate (Finnish)

Currently translated at 99.3% (298 of 300 strings)

Translated using Weblate (French)

Currently translated at 100.0% (300 of 300 strings)

Translated using Weblate (Italian)

Currently translated at 100.0% (300 of 300 strings)

Translated using Weblate (German)

Currently translated at 100.0% (300 of 300 strings)

Translated using Weblate (Finnish)

Currently translated at 99.6% (297 of 298 strings)

Translated using Weblate (French)

Currently translated at 100.0% (298 of 298 strings)

Translated using Weblate (Italian)

Currently translated at 100.0% (298 of 298 strings)

Translated using Weblate (German)

Currently translated at 100.0% (298 of 298 strings)

Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/de/
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/fi/
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/fr/
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/it/
Translation: Kotatsu/Strings

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+    - name: ⚠️ Source issue
+      url: https://github.com/nv95/kotatsu-parsers/issues/new
+      about: Issues and requests for sources should be opened in the kotatsu-parsers repository instead

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+labels: [bug]
+body:
+
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+      attributes:
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+          description: Provide an example of the issue.
+          placeholder: |
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+                2. Second step
+                3. Issue here
+      validations:
+          required: true
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+    - type: textarea
+      id: actual-behavior
+      attributes:
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+          placeholder: |
+              Example:
+                "This happened instead..."
+      validations:
+          required: true
+
+    - type: input
+      id: kotatsu-version
+      attributes:
+          label: Kotatsu version
+          description: You can find your Kotatsu version in **Settings → About**.
+          placeholder: |
+              Example: "3.3"
+      validations:
+          required: true
+
+    - type: input
+      id: android-version
+      attributes:
+          label: Android version
+          description: You can find this somewhere in your Android settings.
+          placeholder: |
+              Example: "Android 12"
+      validations:
+          required: true
+
+    - type: input
+      id: device
+      attributes:
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+          placeholder: |
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+      validations:
+          required: true
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+      id: other-details
+      attributes:
+          label: Other details
+          placeholder: |
+              Additional details and attachments.
+
+    - type: checkboxes
+      id: acknowledgements
+      attributes:
+          label: Acknowledgements
+          description: Read this carefully, we will close and ignore your issue if you skimmed through this.
+          options:
+              - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open issue.
+                required: true
+              - label: I have written a short but informative title.
+                required: true
+              - label: If this is an issue with a source, I should be opening an issue in the [parsers repository](https://github.com/nv95/kotatsu-parsers/issues/new).
+                required: true
+              - label: I have updated the app to version **[3.3](https://github.com/nv95/Kotatsu/releases/latest)**.
+                required: true
+              - label: I will fill out all of the requested information in this form.
+                required: true

.github/ISSUE_TEMPLATE/request_feature.yml

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+description: Suggest a feature to improve Kotatsu
+labels: [feature request]
+body:
+
+    - type: textarea
+      id: feature-description
+      attributes:
+          label: Describe your suggested feature
+          description: How can Kotatsu be improved?
+          placeholder: |
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+                "It should work like this..."
+      validations:
+          required: true
+
+    - type: textarea
+      id: other-details
+      attributes:
+          label: Other details
+          placeholder: |
+              Additional details and attachments.
+
+    - type: checkboxes
+      id: acknowledgements
+      attributes:
+          label: Acknowledgements
+          description: Read this carefully, we will close and ignore your issue if you skimmed through this.
+          options:
+              - label: I have searched the existing issues and this is a new ticket, **NOT** a duplicate or related to another open issue.
+                required: true
+              - label: I have written a short but informative title.
+                required: true
+              - label: If this is an issue with a source, I should be opening an issue in the [parsers repository](https://github.com/nv95/kotatsu-parsers/issues/new).
+                required: true
+              - label: I have updated the app to version **[3.3](https://github.com/nv95/Kotatsu/releases/latest)**.
+                required: true
+              - label: I will fill out all of the requested information in this form.
+                required: true

.gitignore

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+/.idea/discord.xml
 /.idea/workspace.xml
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
+/.idea/kotlinScripting.xml
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+/.idea/androidTestResultsUserPreferences.xml
 .DS_Store
 /build
 /captures

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+       d="m 344.3189,392.83707 c -4.60362,-2.75958 -5.36974,-9.69605 -1.45595,-13.18226 0.54459,-0.48508 5.34567,-3.07035 10.66909,-5.74503 7.5498,-3.79328 10.16725,-4.86303 11.89884,-4.86303 1.73503,0 4.42542,1.10391 12.3172,5.05396 11.72559,5.86898 12.60994,6.68326 12.60994,11.61118 0,3.40408 -0.99553,5.20819 -4.00363,7.25549 -3.08358,2.09867 -5.44113,1.68547 -13.60905,-2.38528 l -7.19926,-3.58796 -7.37198,3.59617 c -8.3911,4.09331 -10.26721,4.39753 -13.8552,2.24676 z"
+       id="path944" />
+    <path
+       style="fill:#ef5350;fill-opacity:1;stroke:none;stroke-width:5.18208;stroke-linecap:round;stroke-linejoin:round"
+       d="m 285.98437,367.98056 c -3.86343,-2.35557 -5.1524,-8.06518 -2.66781,-11.81734 1.64304,-2.48125 20.719,-12.23981 23.92632,-12.23981 1.56364,0 4.61398,1.26582 12.2153,5.06905 8.53551,4.27064 10.3157,5.36752 11.30239,6.96403 1.75651,2.84207 1.95178,5.62136 0.58856,8.37633 -1.52635,3.08463 -3.36973,4.32306 -6.86644,4.61304 -2.68142,0.22236 -3.36743,-0.003 -10.22731,-3.35873 l -7.35311,-3.59707 -7.04119,3.52834 c -7.90523,3.96133 -10.62609,4.44409 -13.87671,2.46216 z"
+       id="path946" />
+    <path
+       style="fill:#ef5350;fill-opacity:1;stroke:none;stroke-width:5.18208;stroke-linecap:round;stroke-linejoin:round"
+       d="m 228.11707,393.18031 c -1.0244,-0.54435 -2.42484,-1.80721 -3.11209,-2.80633 -1.05812,-1.53828 -1.2181,-2.32693 -1.04433,-5.14815 0.29039,-4.71472 1.41139,-5.70783 12.90113,-11.42937 7.71258,-3.84061 9.99443,-4.74971 11.92193,-4.74971 1.94819,0 4.22735,0.92952 12.47354,5.08716 8.66324,4.3679 10.26522,5.3693 11.33052,7.08263 3.53608,5.68714 -0.55313,12.95355 -7.28968,12.95355 -1.25225,0 -4.29453,-1.20187 -9.08226,-3.58799 l -7.19927,-3.58796 -7.37197,3.59617 c -8.07507,3.93914 -10.21699,4.34922 -13.52752,2.59 z"
+       id="path948" />
+  </g>
+</svg>

.idea/inspectionProfiles/Project_Default.xml

@@ -1,8 +1,13 @@
 <component name="InspectionProjectProfileManager">
   <profile version="1.0">
     <option name="myName" value="Project Default" />
-    <inspection_tool class="BooleanLiteralArgument" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
+    <inspection_tool class="BooleanLiteralArgument" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
+    <inspection_tool class="Destructure" enabled="true" level="INFO" enabled_by_default="true" />
     <inspection_tool class="KeySetIterationMayUseEntrySet" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="KotlinFunctionArgumentsHelper" enabled="true" level="INFORMATION" enabled_by_default="true">
+      <option name="withoutDefaultValues" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ReplaceCollectionCountWithSize" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
     <inspection_tool class="TrailingComma" enabled="true" level="INFORMATION" enabled_by_default="true" />
     <inspection_tool class="ZeroLengthArrayInitialization" enabled="true" level="WARNING" enabled_by_default="true" />
   </profile>

.travis.yml

@@ -1,11 +0,0 @@
-language: android
-dist: trusty
-android:
-  components:
-    - android-30
-    - build-tools-30.0.3
-    - platform-tools-30.0.5
-    - tools
-before_install:
-  - yes | sdkmanager "platforms;android-30"
-script: ./gradlew -Dorg.gradle.jvmargs=-Xmx1536m assembleDebug lintDebug

README.md

@@ -1,8 +1,8 @@
-# Kotatsu 
+# Kotatsu
 
 Kotatsu is a free and open source manga reader for Android.
 
-![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) ![Kotlin](https://img.shields.io/github/languages/top/nv95/Kotatsu) [![Build Status](https://travis-ci.org/nv95/Kotatsu.svg?branch=master)](https://travis-ci.org/nv95/Kotatsu) ![License](https://img.shields.io/github/license/nv95/Kotatsu) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![4pda](https://img.shields.io/badge/discuss-4pda-2982CC)](http://4pda.ru/forum/index.php?showtopic=697669) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5)
+![Android 5.0](https://img.shields.io/badge/android-5.0+-brightgreen) ![Kotlin](https://img.shields.io/github/languages/top/KotatsuApp/Kotatsu) ![License](https://img.shields.io/github/license/KotatsuApp/Kotatsu) [![weblate](https://hosted.weblate.org/widgets/kotatsu/-/strings/svg-badge.svg)](https://hosted.weblate.org/engage/kotatsu/) [![4pda](https://img.shields.io/badge/discuss-4pda-2982CC)](http://4pda.ru/forum/index.php?showtopic=697669) [![Discord](https://img.shields.io/discord/898363402467045416?color=5865f2&label=discord)](https://discord.gg/NNJ5RgVBC5)
 
 ### Download
 
@@ -12,14 +12,13 @@ height="80">](https://f-droid.org/packages/org.koitharu.kotatsu)
 
 Download APK from Github Releases:
 
-- [Latest release](https://github.com/nv95/Kotatsu/releases/latest)
-- [Legacy build](https://github.com/nv95/Kotatsu/releases/tag/v0.4-legacy) (with Android 4.1+ support)
+- [Latest release](https://github.com/KotatsuApp/Kotatsu/releases/latest)
 
 ### Main Features
 
 * Online manga catalogues
-* Search manga by name and genre
-* Reading history
+* Search manga by name and genres
+* Reading history and bookmarks
 * Favourites organized by user-defined categories
 * Downloading manga and reading it offline. Third-party CBZ archives also supported
 * Tablet-optimized material design UI
@@ -30,12 +29,12 @@ Download APK from Github Releases:
 
 ### Screenshots
 
-| ![Screenshot_20200226-210337](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/1.png) | ![](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/2.png)                           | ![Screenshot_20200226-210232](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/3.png) |
-|-----------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------|
-| ![Screenshot_20200226-210405](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/4.png) | ![Screenshot_20200226-210151](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/5.png) | ![Screenshot_20200226-210223](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/6.png) |
+| ![Screenshot_20200226-210337](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/1.png) | ![](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/2.png)                           | ![Screenshot_20200226-210232](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/3.png) |
+|-----------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|
+| ![Screenshot_20200226-210405](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/4.png) | ![Screenshot_20200226-210151](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/5.png) | ![Screenshot_20200226-210223](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/phoneScreenshots/6.png) |
 
-| ![](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/1.png) | ![](https://github.com/nv95/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/2.png) |
-|-----------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|
+| ![](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/1.png) | ![](https://github.com/KotatsuApp/Kotatsu/raw/devel/metadata/en-US/images/tenInchScreenshots/2.png) |
+|-----------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------|
 
 ### Localization
 
@@ -43,16 +42,18 @@ Download APK from Github Releases:
 <img src="https://hosted.weblate.org/widgets/kotatsu/-/287x66-white.png" alt="Translation status" />
 </a>
 
-Kotatsu is localized in a number of different languages, if you would like to help improve these or add new languages, please head over to the Weblate <a href="https://hosted.weblate.org/engage/kotatsu/">project page</a> 
+Kotatsu is localized in a number of different languages, if you would like to help improve these or add new languages,
+please head over to the Weblate <a href="https://hosted.weblate.org/engage/kotatsu/">project page</a>
 
 ### License
-[![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](http://www.gnu.org/licenses/gpl-3.0.en.html)  
+
+[![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](http://www.gnu.org/licenses/gpl-3.0.en.html)
 
 Kotatsu is Free Software: You can use, study share and improve it at your
 will. Specifically you can redistribute and/or modify it under the terms of the
 [GNU General Public License](https://www.gnu.org/licenses/gpl.html) as
 published by the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.  
+(at your option) any later version.
 
 ### Disclaimer
 

app/build.gradle

@@ -14,8 +14,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdkVersion 21
 		targetSdkVersion 32
-		versionCode 401
-		versionName '3.1'
+		versionCode 410
+		versionName '3.3.1'
 		generatedDensities = []
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -49,71 +49,87 @@ android {
 	kotlinOptions {
 		jvmTarget = JavaVersion.VERSION_1_8.toString()
 		freeCompilerArgs += [
-				'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
-				'-opt-in=kotlinx.coroutines.FlowPreview',
-				'-opt-in=kotlin.contracts.ExperimentalContracts',
+			'-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi',
+			'-opt-in=kotlinx.coroutines.FlowPreview',
+			'-opt-in=kotlin.contracts.ExperimentalContracts',
+			'-opt-in=coil.annotation.ExperimentalCoilApi',
 		]
 	}
 	lint {
 		abortOnError false
-		disable 'MissingTranslation', 'PrivateResource'
+		disable 'MissingTranslation', 'PrivateResource', 'NotifyDataSetChanged'
 	}
 	testOptions {
 		unitTests.includeAndroidResources = true
 		unitTests.returnDefaultValues = false
 	}
 }
+afterEvaluate {
+	compileDebugKotlin {
+		kotlinOptions {
+			freeCompilerArgs += ['-opt-in=org.koitharu.kotatsu.parsers.InternalParsersApi']
+		}
+	}
+}
 dependencies {
 	implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
-	implementation('com.github.nv95:kotatsu-parsers:8e23a7fcd4') {
+	implementation('com.github.nv95:kotatsu-parsers:8a3b6df91d') {
 		exclude group: 'org.json', module: 'json'
 	}
 
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.1'
-	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.1'
+	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.2'
 
-	implementation 'androidx.core:core-ktx:1.7.0'
-	implementation 'androidx.activity:activity-ktx:1.4.0'
-	implementation 'androidx.fragment:fragment-ktx:1.4.1'
-	implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.4.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.4.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.4.1'
-	implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+	implementation 'androidx.core:core-ktx:1.8.0'
+	implementation 'androidx.activity:activity-ktx:1.5.0-rc01'
+	implementation 'androidx.fragment:fragment-ktx:1.5.0-rc01'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.0-rc01'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.0-rc01'
+	implementation 'androidx.lifecycle:lifecycle-service:2.5.0-rc01'
+	implementation 'androidx.lifecycle:lifecycle-process:2.5.0-rc01'
+	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	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:1.2.0'
 	implementation 'androidx.work:work-runtime-ktx:2.7.1'
-	implementation 'com.google.android.material:material:1.6.0-beta01'
+	implementation 'com.google.android.material:material:1.7.0-alpha02'
 	//noinspection LifecycleAnnotationProcessorWithJava8
-	kapt 'androidx.lifecycle:lifecycle-compiler:2.4.1'
+	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.0-rc01'
 
 	implementation 'androidx.room:room-runtime:2.4.2'
 	implementation 'androidx.room:room-ktx:2.4.2'
 	kapt 'androidx.room:room-compiler:2.4.2'
 
-	implementation 'com.squareup.okhttp3:okhttp:4.9.3'
-	implementation 'com.squareup.okio:okio:3.0.0'
+	implementation 'com.squareup.okhttp3:okhttp:4.10.0'
+	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
+	implementation 'com.squareup.okio:okio:3.1.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'io.insert-koin:koin-android:3.1.6'
-	implementation 'io.coil-kt:coil-base:1.4.0'
+	implementation 'io.insert-koin:koin-android:3.2.0'
+	implementation 'io.coil-kt:coil-base:2.1.0'
 	implementation 'com.davemorrissey.labs:subsampling-scale-image-view-androidx:3.10.0'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 
-	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.8.1'
+	implementation 'ch.acra:acra-mail:5.9.3'
+	implementation 'ch.acra:acra-dialog:5.9.3'
+
+	debugImplementation 'org.jsoup:jsoup:1.15.1'
+	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.9.1'
 
 	testImplementation 'junit:junit:4.13.2'
-	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.1'
-	testImplementation 'io.insert-koin:koin-test-junit4:3.1.5'
+	testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.2'
 
 	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 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.2'
+	androidTestImplementation 'io.insert-koin:koin-test:3.2.0'
+	androidTestImplementation 'io.insert-koin:koin-test-junit4:3.2.0'
+
 	androidTestImplementation 'androidx.room:room-testing:2.4.2'
+	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.13.0'
 }

app/src/androidTest/assets/manga/bad_ids.json

@@ -0,0 +1,163 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 1552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541665,
+			"name": "2 - 1",
+			"number": 6,
+			"url": "/stranstviia_emanon/vol2/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1415570400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433542626,
+			"name": "3 - 1",
+			"number": 12,
+			"url": "/stranstviia_emanon/vol3/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433542627,
+			"name": "3 - 2",
+			"number": 13,
+			"url": "/stranstviia_emanon/vol3/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 1552943969433542628,
+			"name": "3 - 3",
+			"number": 14,
+			"url": "/stranstviia_emanon/vol3/3",
+			"scanlator": "",
+			"uploadDate": 1465851600000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/empty.json

@@ -0,0 +1,36 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/first_chapters.json

@@ -0,0 +1,136 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 3552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541665,
+			"name": "2 - 1",
+			"number": 6,
+			"url": "/stranstviia_emanon/vol2/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1415570400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/full.json

@@ -0,0 +1,163 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 3552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541665,
+			"name": "2 - 1",
+			"number": 6,
+			"url": "/stranstviia_emanon/vol2/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1415570400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542626,
+			"name": "3 - 1",
+			"number": 12,
+			"url": "/stranstviia_emanon/vol3/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542627,
+			"name": "3 - 2",
+			"number": 13,
+			"url": "/stranstviia_emanon/vol3/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542628,
+			"name": "3 - 3",
+			"number": 14,
+			"url": "/stranstviia_emanon/vol3/3",
+			"scanlator": "",
+			"uploadDate": 1465851600000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/assets/manga/without_middle_chapter.json

@@ -0,0 +1,154 @@
+{
+	"id": -2096681732556647985,
+	"title": "Странствия Эманон",
+	"url": "/stranstviia_emanon",
+	"publicUrl": "https://readmanga.io/stranstviia_emanon",
+	"rating": 0.9400894,
+	"isNsfw": true,
+	"coverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_p.jpg",
+	"tags": [
+		{
+			"title": "Сверхъестественное",
+			"key": "supernatural",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Сэйнэн",
+			"key": "seinen",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Повседневность",
+			"key": "slice_of_life",
+			"source": "READMANGA_RU"
+		},
+		{
+			"title": "Приключения",
+			"key": "adventure",
+			"source": "READMANGA_RU"
+		}
+	],
+	"state": "FINISHED",
+	"largeCoverUrl": "https://staticrm.rmr.rocks/uploads/pics/01/12/559_o.jpg",
+	"description": "Продолжение истории о загадочной девушке по имени Эманон, которая помнит всё, что происходило на Земле за последние три миллиарда лет. \n<br>Начало истории читайте в \"Воспоминаниях Эманон\". \n<div class=\"clearfix\"></div>",
+	"chapters": [
+		{
+			"id": 3552943969433540704,
+			"name": "1 - 1",
+			"number": 1,
+			"url": "/stranstviia_emanon/vol1/1",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540705,
+			"name": "1 - 2",
+			"number": 2,
+			"url": "/stranstviia_emanon/vol1/2",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540706,
+			"name": "1 - 3",
+			"number": 3,
+			"url": "/stranstviia_emanon/vol1/3",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540707,
+			"name": "1 - 4",
+			"number": 4,
+			"url": "/stranstviia_emanon/vol1/4",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433540708,
+			"name": "1 - 5",
+			"number": 5,
+			"url": "/stranstviia_emanon/vol1/5",
+			"scanlator": "Sad-Robot",
+			"uploadDate": 1342731600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541666,
+			"name": "2 - 2",
+			"number": 7,
+			"url": "/stranstviia_emanon/vol2/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1419976800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541667,
+			"name": "2 - 3",
+			"number": 8,
+			"url": "/stranstviia_emanon/vol2/3",
+			"scanlator": "Sup!",
+			"uploadDate": 1427922000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541668,
+			"name": "2 - 4",
+			"number": 9,
+			"url": "/stranstviia_emanon/vol2/4",
+			"scanlator": "Sup!",
+			"uploadDate": 1436907600000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541669,
+			"name": "2 - 5",
+			"number": 10,
+			"url": "/stranstviia_emanon/vol2/5",
+			"scanlator": "Sup!",
+			"uploadDate": 1446674400000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433541670,
+			"name": "2 - 6",
+			"number": 11,
+			"url": "/stranstviia_emanon/vol2/6",
+			"scanlator": "Sup!",
+			"uploadDate": 1451512800000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542626,
+			"name": "3 - 1",
+			"number": 12,
+			"url": "/stranstviia_emanon/vol3/1",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542627,
+			"name": "3 - 2",
+			"number": 13,
+			"url": "/stranstviia_emanon/vol3/2",
+			"scanlator": "Sup!",
+			"uploadDate": 1461618000000,
+			"source": "READMANGA_RU"
+		},
+		{
+			"id": 3552943969433542628,
+			"name": "3 - 3",
+			"number": 14,
+			"url": "/stranstviia_emanon/vol3/3",
+			"scanlator": "",
+			"uploadDate": 1465851600000,
+			"source": "READMANGA_RU"
+		}
+	],
+	"source": "READMANGA_RU"
+}

app/src/androidTest/java/org/koitharu/kotatsu/core/db/MangaDatabaseTest.kt

@@ -1,14 +1,13 @@
 package org.koitharu.kotatsu.core.db
 
 import androidx.room.testing.MigrationTestHelper
-import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
+import java.io.IOException
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.koitharu.kotatsu.core.db.migrations.*
-import java.io.IOException
 
 @RunWith(AndroidJUnit4::class)
 class MangaDatabaseTest {
@@ -16,8 +15,7 @@ class MangaDatabaseTest {
 	@get:Rule
 	val helper: MigrationTestHelper = MigrationTestHelper(
 		InstrumentationRegistry.getInstrumentation(),
-		MangaDatabase::class.java.canonicalName,
-		FrameworkSQLiteOpenHelperFactory()
+		MangaDatabase::class.java,
 	)
 
 	@Test
@@ -37,7 +35,6 @@ class MangaDatabaseTest {
 		}
 	}
 
-
 	private companion object {
 
 		const val TEST_DB = "test-db"
@@ -50,6 +47,9 @@ class MangaDatabaseTest {
 			Migration5To6(),
 			Migration6To7(),
 			Migration7To8(),
+			Migration8To9(),
+			Migration9To10(),
+			Migration10To11(),
 		)
 	}
 }

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

@@ -0,0 +1,188 @@
+package org.koitharu.kotatsu.tracker.domain
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
+import kotlin.test.assertEquals
+import kotlin.test.assertFalse
+import kotlin.test.assertTrue
+import kotlinx.coroutines.test.runTest
+import okio.buffer
+import okio.source
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.koin.test.KoinTest
+import org.koin.test.inject
+import org.koitharu.kotatsu.base.domain.MangaDataRepository
+import org.koitharu.kotatsu.history.domain.HistoryRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+
+@RunWith(AndroidJUnit4::class)
+class TrackerTest : KoinTest {
+
+	private val moshi = Moshi.Builder().add(KotlinJsonAdapterFactory()).build()
+	private val mangaAdapter = moshi.adapter(Manga::class.java)
+	private val historyRegistry by inject<HistoryRepository>()
+	private val repository by inject<TrackingRepository>()
+	private val dataRepository by inject<MangaDataRepository>()
+	private val tracker by inject<Tracker>()
+
+	@Test
+	fun noUpdates() = runTest {
+		val manga = loadManga("full.json")
+		tracker.deleteTrack(manga.id)
+
+		tracker.checkUpdates(manga, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(manga.id))
+		tracker.checkUpdates(manga, commit = true).apply {
+			assertTrue(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(manga.id))
+	}
+
+	@Test
+	fun hasUpdates() = runTest {
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaFull = loadManga("full.json")
+		tracker.deleteTrack(mangaFirst.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	@Test
+	fun badIds() = runTest {
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaBad = loadManga("bad_ids.json")
+		tracker.deleteTrack(mangaFirst.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaBad, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	@Test
+	fun badIds2() = runTest {
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaBad = loadManga("bad_ids.json")
+		val mangaFull = loadManga("full.json")
+		tracker.deleteTrack(mangaFirst.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaBad, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	@Test
+	fun fullReset() = runTest {
+		val mangaFull = loadManga("full.json")
+		val mangaFirst = loadManga("first_chapters.json")
+		val mangaEmpty = loadManga("empty.json")
+		tracker.deleteTrack(mangaFull.id)
+
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaEmpty, commit = true).apply {
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFull.id))
+		tracker.checkUpdates(mangaEmpty, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFull.id))
+	}
+
+	@Test
+	fun syncWithHistory() = runTest {
+		val mangaFull = loadManga("full.json")
+		val mangaFirst = loadManga("first_chapters.json")
+		tracker.deleteTrack(mangaFull.id)
+
+		tracker.checkUpdates(mangaFirst, commit = true).apply {
+			assertFalse(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(0, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assertEquals(3, newChapters.size)
+		}
+		assertEquals(3, repository.getNewChaptersCount(mangaFirst.id))
+
+		val chapter = requireNotNull(mangaFull.chapters).run { get(lastIndex - 1) }
+		repository.syncWithHistory(mangaFull, chapter.id)
+
+		assertEquals(1, repository.getNewChaptersCount(mangaFirst.id))
+		tracker.checkUpdates(mangaFull, commit = true).apply {
+			assertTrue(isValid)
+			assert(newChapters.isEmpty())
+		}
+		assertEquals(1, repository.getNewChaptersCount(mangaFirst.id))
+	}
+
+	private suspend fun loadManga(name: String): Manga {
+		val assets = InstrumentationRegistry.getInstrumentation().context.assets
+		val manga = assets.open("manga/$name").use {
+			mangaAdapter.fromJson(it.source().buffer())
+		} ?: throw RuntimeException("Cannot read manga from json \"$name\"")
+		dataRepository.storeManga(manga)
+		return manga
+	}
+}

app/src/debug/java/org/koitharu/kotatsu/core/parser/DummyParser.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.core.parser
+
+import java.util.*
+import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParser
+import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.model.*
+
+/**
+ * This parser is just for parser development, it should not be used in releases
+ */
+class DummyParser(override val context: MangaLoaderContext) : MangaParser(MangaSource.DUMMY) {
+
+	override val configKeyDomain: ConfigKey.Domain
+		get() = ConfigKey.Domain("", null)
+
+	override val sortOrders: Set<SortOrder>
+		get() = EnumSet.allOf(SortOrder::class.java)
+
+	override suspend fun getDetails(manga: Manga): Manga {
+		TODO("Not yet implemented")
+	}
+
+	override suspend fun getList(
+		offset: Int,
+		query: String?,
+		tags: Set<MangaTag>?,
+		sortOrder: SortOrder,
+	): List<Manga> {
+		TODO("Not yet implemented")
+	}
+
+	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
+		TODO("Not yet implemented")
+	}
+
+	override suspend fun getTags(): Set<MangaTag> {
+		TODO("Not yet implemented")
+	}
+}

app/src/debug/java/org/koitharu/kotatsu/core/parser/MangaParser.kt

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.parser
+
+import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaParser
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.newParser
+
+fun MangaParser(source: MangaSource, loaderContext: MangaLoaderContext): MangaParser {
+	return if (source == MangaSource.DUMMY) {
+		DummyParser(loaderContext)
+	} else {
+		source.newParser(loaderContext)
+	}
+}

app/src/debug/java/org/koitharu/kotatsu/utils/ext/DebugExt.kt

@@ -0,0 +1,3 @@
+package org.koitharu.kotatsu.utils.ext
+
+fun Throwable.printStackTraceDebug() = printStackTrace()

app/src/main/AndroidManifest.xml

@@ -9,6 +9,7 @@
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
 	<uses-permission android:name="android.permission.VIBRATE" />
 	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+	<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
 	<application
 		android:name="org.koitharu.kotatsu.KotatsuApp"
@@ -53,7 +54,8 @@
 		<activity
 			android:name="org.koitharu.kotatsu.search.ui.SearchActivity"
 			android:label="@string/search" />
-		<activity android:name="org.koitharu.kotatsu.search.ui.MangaListActivity"
+		<activity
+			android:name="org.koitharu.kotatsu.search.ui.MangaListActivity"
 			android:label="@string/search_manga" />
 		<activity
 			android:name="org.koitharu.kotatsu.settings.SettingsActivity"
@@ -66,11 +68,6 @@
 			android:name="org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
 			android:windowSoftInputMode="adjustResize" />
-		<activity
-			android:name="org.koitharu.kotatsu.core.ui.CrashActivity"
-			android:label="@string/error_occurred"
-			android:theme="@android:style/Theme.DeviceDefault"
-			android:windowSoftInputMode="stateAlwaysHidden" />
 		<activity
 			android:name="org.koitharu.kotatsu.favourites.ui.categories.CategoriesActivity"
 			android:label="@string/favourites_categories"
@@ -78,13 +75,14 @@
 		<activity
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfConfigActivity"
 			android:exported="true"
-			android:label="@string/manga_shelf">
+			android:label="@string/manga_shelf"
+			android:theme="@style/Theme.Kotatsu.DialogWhenLarge">
 			<intent-filter>
 				<action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
 			</intent-filter>
 		</activity>
 		<activity
-			android:name="org.koitharu.kotatsu.search.ui.global.GlobalSearchActivity"
+			android:name="org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity"
 			android:label="@string/search" />
 		<activity
 			android:name="org.koitharu.kotatsu.main.ui.protect.ProtectActivity"
@@ -95,13 +93,18 @@
 			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.download.ui.DownloadsActivity"
+			android:label="@string/downloads"
 			android:launchMode="singleTop"
-			android:label="@string/downloads" />
-		<activity android:name="org.koitharu.kotatsu.image.ui.ImageActivity"/>
+			android:theme="@style/Theme.Kotatsu.DialogWhenLarge" />
+		<activity android:name="org.koitharu.kotatsu.image.ui.ImageActivity" />
+		<activity
+			android:name="org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity"
+			android:theme="@style/Theme.Kotatsu.DialogWhenLarge" />
 
 		<service
 			android:name="org.koitharu.kotatsu.download.ui.service.DownloadService"
 			android:foregroundServiceType="dataSync" />
+		<service android:name="org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService" />
 		<service
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetService"
 			android:permission="android.permission.BIND_REMOTEVIEWS" />

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

@@ -1,17 +1,24 @@
 package org.koitharu.kotatsu
 
 import android.app.Application
+import android.content.Context
 import android.os.StrictMode
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.fragment.app.strictmode.FragmentStrictMode
+import org.acra.ReportField
+import org.acra.config.dialog
+import org.acra.config.mailSender
+import org.acra.data.StringFormat
+import org.acra.ktx.initAcra
 import org.koin.android.ext.android.get
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
+import org.koitharu.kotatsu.base.ui.util.ActivityRecreationHandle
+import org.koitharu.kotatsu.bookmarks.bookmarksModule
 import org.koitharu.kotatsu.core.db.databaseModule
 import org.koitharu.kotatsu.core.github.githubModule
 import org.koitharu.kotatsu.core.network.networkModule
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.ui.AppCrashHandler
 import org.koitharu.kotatsu.core.ui.uiModule
 import org.koitharu.kotatsu.details.detailsModule
 import org.koitharu.kotatsu.favourites.favouritesModule
@@ -39,9 +46,9 @@ class KotatsuApp : Application() {
 			enableStrictMode()
 		}
 		initKoin()
-		Thread.setDefaultUncaughtExceptionHandler(AppCrashHandler(applicationContext))
 		AppCompatDelegate.setDefaultNightMode(get<AppSettings>().theme)
 		registerActivityLifecycleCallbacks(get<AppProtectHelper>())
+		registerActivityLifecycleCallbacks(get<ActivityRecreationHandle>())
 		val widgetUpdater = WidgetUpdater(applicationContext)
 		widgetUpdater.subscribeToFavourites(get())
 		widgetUpdater.subscribeToHistory(get())
@@ -67,10 +74,41 @@ class KotatsuApp : Application() {
 				readerModule,
 				appWidgetModule,
 				suggestionsModule,
+				bookmarksModule,
 			)
 		}
 	}
 
+	override fun attachBaseContext(base: Context?) {
+		super.attachBaseContext(base)
+		initAcra {
+			buildConfigClass = BuildConfig::class.java
+			reportFormat = StringFormat.KEY_VALUE_LIST
+			reportContent = listOf(
+				ReportField.PACKAGE_NAME,
+				ReportField.APP_VERSION_CODE,
+				ReportField.APP_VERSION_NAME,
+				ReportField.ANDROID_VERSION,
+				ReportField.PHONE_MODEL,
+				ReportField.CRASH_CONFIGURATION,
+				ReportField.STACK_TRACE,
+				ReportField.SHARED_PREFERENCES,
+			)
+			dialog {
+				text = getString(R.string.crash_text)
+				title = getString(R.string.error_occurred)
+				positiveButtonText = getString(R.string.send)
+				resIcon = R.drawable.ic_alert_outline
+				resTheme = android.R.style.Theme_Material_Light_Dialog_Alert
+			}
+			mailSender {
+				mailTo = getString(R.string.email_error_report)
+				reportAsFile = true
+				reportFileName = "stacktrace.txt"
+			}
+		}
+	}
+
 	private fun enableStrictMode() {
 		StrictMode.setThreadPolicy(
 			StrictMode.ThreadPolicy.Builder()

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

@@ -9,54 +9,58 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.get
-import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.util.await
-import org.koitharu.kotatsu.parsers.util.medianOrNull
+import java.io.File
 import java.io.InputStream
 import java.util.zip.ZipFile
+import kotlin.math.roundToInt
 
 object MangaUtils : KoinComponent {
 
+	private const val MIN_WEBTOON_RATIO = 2
+
 	/**
 	 * Automatic determine type of manga by page size
 	 * @return ReaderMode.WEBTOON if page is wide
 	 */
-	suspend fun determineMangaIsWebtoon(pages: List<MangaPage>): Boolean? {
-		try {
-			val page = pages.medianOrNull() ?: return null
-			val url = MangaRepository(page.source).getPageUrl(page)
-			val uri = Uri.parse(url)
-			val size = if (uri.scheme == "cbz") {
+	suspend fun determineMangaIsWebtoon(pages: List<MangaPage>): Boolean {
+		val pageIndex = (pages.size * 0.3).roundToInt()
+		val page = requireNotNull(pages.getOrNull(pageIndex)) { "No pages" }
+		val url = MangaRepository(page.source).getPageUrl(page)
+		val uri = Uri.parse(url)
+		val size = if (uri.scheme == "cbz") {
+			runInterruptible(Dispatchers.IO) {
+				val zip = ZipFile(uri.schemeSpecificPart)
+				val entry = zip.getEntry(uri.fragment)
+				zip.getInputStream(entry).use {
+					getBitmapSize(it)
+				}
+			}
+		} else {
+			val request = Request.Builder()
+				.url(url)
+				.get()
+				.header(CommonHeaders.REFERER, page.referer)
+				.cacheControl(CommonHeaders.CACHE_CONTROL_DISABLED)
+				.build()
+			get<OkHttpClient>().newCall(request).await().use {
 				runInterruptible(Dispatchers.IO) {
-					val zip = ZipFile(uri.schemeSpecificPart)
-					val entry = zip.getEntry(uri.fragment)
-					zip.getInputStream(entry).use {
-						getBitmapSize(it)
-					}
-				}
-			} else {
-				val request = Request.Builder()
-					.url(url)
-					.get()
-					.header(CommonHeaders.REFERER, page.referer)
-					.cacheControl(CommonHeaders.CACHE_CONTROL_DISABLED)
-					.build()
-				get<OkHttpClient>().newCall(request).await().use {
-					runInterruptible(Dispatchers.IO) {
-						getBitmapSize(it.body?.byteStream())
-					}
+					getBitmapSize(it.body?.byteStream())
 				}
 			}
-			return size.width * 2 < size.height
-		} catch (e: Exception) {
-			if (BuildConfig.DEBUG) {
-				e.printStackTrace()
-			}
-			return null
 		}
+		return size.width * MIN_WEBTOON_RATIO < size.height
+	}
+
+	suspend fun getImageMimeType(file: File): String? = runInterruptible(Dispatchers.IO) {
+		val options = BitmapFactory.Options().apply {
+			inJustDecodeBounds = true
+		}
+		BitmapFactory.decodeFile(file.path, options)?.recycle()
+		options.outMimeType
 	}
 
 	private fun getBitmapSize(input: InputStream?): Size {
@@ -69,4 +73,4 @@ object MangaUtils : KoinComponent {
 		check(imageHeight > 0 && imageWidth > 0)
 		return Size(imageWidth, imageHeight)
 	}
-}
+}

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

@@ -0,0 +1,19 @@
+package org.koitharu.kotatsu.base.domain
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.koitharu.kotatsu.utils.ext.processLifecycleScope
+
+fun interface ReversibleHandle {
+
+	suspend fun reverse()
+}
+
+fun ReversibleHandle.reverseAsync() = processLifecycleScope.launch(Dispatchers.Default) {
+	reverse()
+}
+
+operator fun ReversibleHandle.plus(other: ReversibleHandle) = ReversibleHandle {
+	this.reverse()
+	other.reverse()
+}

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

@@ -12,7 +12,6 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.ActionBarContextView
 import androidx.appcompat.widget.Toolbar
-import androidx.core.app.ActivityCompat
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
@@ -26,7 +25,8 @@ import org.koitharu.kotatsu.base.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.prefs.AppSettings
 
-abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(),
+abstract class BaseActivity<B : ViewBinding> :
+	AppCompatActivity(),
 	WindowInsetsDelegate.WindowInsetsListener {
 
 	protected lateinit var binding: B
@@ -42,9 +42,13 @@ abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(),
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		val settings = get<AppSettings>()
+		val isAmoled = settings.isAmoledTheme
+		val isDynamic = settings.isDynamicTheme
+		// TODO support DialogWhenLarge theme
 		when {
-			settings.isAmoledTheme -> setTheme(R.style.ThemeOverlay_Kotatsu_AMOLED)
-			settings.isDynamicTheme -> setTheme(R.style.Theme_Kotatsu_Monet)
+			isAmoled && isDynamic -> setTheme(R.style.Theme_Kotatsu_Monet_Amoled)
+			isAmoled -> setTheme(R.style.Theme_Kotatsu_Amoled)
+			isDynamic -> setTheme(R.style.Theme_Kotatsu_Monet)
 		}
 		super.onCreate(savedInstanceState)
 		WindowCompat.setDecorFitsSystemWindows(window, false)
@@ -78,8 +82,9 @@ abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(),
 
 	override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
 		if (BuildConfig.DEBUG && keyCode == KeyEvent.KEYCODE_VOLUME_UP) { // TODO remove
-			ActivityCompat.recreate(this)
-			return true
+			// ActivityCompat.recreate(this)
+			throw RuntimeException("Test crash")
+			// return true
 		}
 		return super.onKeyDown(keyCode, event)
 	}
@@ -123,4 +128,4 @@ abstract class BaseActivity<B : ViewBinding> : AppCompatActivity(),
 			super.onBackPressed()
 		}
 	}
-}
+}

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

@@ -2,18 +2,20 @@ package org.koitharu.kotatsu.base.ui
 
 import android.app.Dialog
 import android.os.Bundle
+import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewGroup.LayoutParams
-import androidx.appcompat.app.AppCompatDialog
 import androidx.core.view.updateLayoutParams
 import androidx.viewbinding.ViewBinding
-import com.google.android.material.R as materialR
 import com.google.android.material.bottomsheet.BottomSheetBehavior
 import com.google.android.material.bottomsheet.BottomSheetDialog
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.dialog.AppBottomSheetDialog
+import org.koitharu.kotatsu.utils.ext.displayCompat
+import com.google.android.material.R as materialR
 
 abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
 
@@ -32,6 +34,20 @@ abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
 	): View {
 		val binding = onInflateView(inflater, container)
 		viewBinding = binding
+
+		// Enforce max width for tablets
+		val width = resources.getDimensionPixelSize(R.dimen.bottom_sheet_width)
+		if (width > 0) {
+			behavior?.maxWidth = width
+		}
+
+		// Set peek height to 50% display height
+		requireContext().displayCompat?.let {
+			val metrics = DisplayMetrics()
+			it.getRealMetrics(metrics)
+			behavior?.peekHeight = (metrics.heightPixels * 0.4).toInt()
+		}
+
 		return binding.root
 	}
 
@@ -41,9 +57,7 @@ abstract class BaseBottomSheet<B : ViewBinding> : BottomSheetDialogFragment() {
 	}
 
 	override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
-		return if (resources.getBoolean(R.bool.is_tablet)) {
-			AppCompatDialog(context, R.style.Theme_Kotatsu_Dialog)
-		} else super.onCreateDialog(savedInstanceState)
+		return AppBottomSheetDialog(requireContext(), theme)
 	}
 
 	protected abstract fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): B

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

@@ -7,10 +7,12 @@ import android.view.View
 import android.view.WindowManager
 import androidx.viewbinding.ViewBinding
 
+@Suppress("DEPRECATION")
 private const val SYSTEM_UI_FLAGS_SHOWN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
 	View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
 	View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
 
+@Suppress("DEPRECATION")
 private const val SYSTEM_UI_FLAGS_HIDDEN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
 	View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
 	View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
@@ -18,7 +20,8 @@ private const val SYSTEM_UI_FLAGS_HIDDEN = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
 	View.SYSTEM_UI_FLAG_FULLSCREEN or
 	View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
 
-abstract class BaseFullscreenActivity<B : ViewBinding> : BaseActivity<B>(),
+abstract class BaseFullscreenActivity<B : ViewBinding> :
+	BaseActivity<B>(),
 	View.OnSystemUiVisibilityChangeListener {
 
 	override fun onCreate(savedInstanceState: Bundle?) {
@@ -35,16 +38,19 @@ abstract class BaseFullscreenActivity<B : ViewBinding> : BaseActivity<B>(),
 		showSystemUI()
 	}
 
+	@Suppress("DEPRECATION", "DeprecatedCallableAddReplaceWith")
 	@Deprecated("Deprecated in Java")
 	final override fun onSystemUiVisibilityChange(visibility: Int) {
 		onSystemUiVisibilityChanged(visibility and View.SYSTEM_UI_FLAG_FULLSCREEN == 0)
 	}
 
 	// TODO WindowInsetsControllerCompat works incorrect
+	@Suppress("DEPRECATION")
 	protected fun hideSystemUI() {
 		window.decorView.systemUiVisibility = SYSTEM_UI_FLAGS_HIDDEN
 	}
 
+	@Suppress("DEPRECATION")
 	protected fun showSystemUI() {
 		window.decorView.systemUiVisibility = SYSTEM_UI_FLAGS_SHOWN
 	}

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

@@ -1,18 +1,25 @@
 package org.koitharu.kotatsu.base.ui
 
-import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.LiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.EmptyCoroutineContext
 import kotlinx.coroutines.*
-import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.base.ui.util.CountedBooleanLiveData
 import org.koitharu.kotatsu.utils.SingleLiveEvent
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 
 abstract class BaseViewModel : ViewModel() {
 
-	val onError = SingleLiveEvent<Throwable>()
-	val isLoading = MutableLiveData(false)
+	protected val loadingCounter = CountedBooleanLiveData()
+	protected val errorEvent = SingleLiveEvent<Throwable>()
+
+	val onError: LiveData<Throwable>
+		get() = errorEvent
+
+	val isLoading: LiveData<Boolean>
+		get() = loadingCounter
 
 	protected fun launchJob(
 		context: CoroutineContext = EmptyCoroutineContext,
@@ -25,20 +32,18 @@ abstract class BaseViewModel : ViewModel() {
 		start: CoroutineStart = CoroutineStart.DEFAULT,
 		block: suspend CoroutineScope.() -> Unit
 	): Job = viewModelScope.launch(context + createErrorHandler(), start) {
-		isLoading.postValue(true)
+		loadingCounter.increment()
 		try {
 			block()
 		} finally {
-			isLoading.postValue(false)
+			loadingCounter.decrement()
 		}
 	}
 
 	private fun createErrorHandler() = CoroutineExceptionHandler { _, throwable ->
-		if (BuildConfig.DEBUG) {
-			throwable.printStackTrace()
-		}
+		throwable.printStackTraceDebug()
 		if (throwable !is CancellationException) {
-			onError.postCall(throwable)
+			errorEvent.postCall(throwable)
 		}
 	}
 }

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

@@ -0,0 +1,37 @@
+package org.koitharu.kotatsu.base.ui
+
+import android.app.Service
+import android.content.Intent
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.withContext
+
+abstract class CoroutineIntentService : BaseService() {
+
+	private val mutex = Mutex()
+	protected open val dispatcher: CoroutineDispatcher = Dispatchers.Default
+
+	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+		super.onStartCommand(intent, flags, startId)
+		launchCoroutine(intent, startId)
+		return Service.START_REDELIVER_INTENT
+	}
+
+	private fun launchCoroutine(intent: Intent?, startId: Int) = lifecycleScope.launch {
+		mutex.withLock {
+			try {
+				withContext(dispatcher) {
+					processIntent(intent)
+				}
+			} finally {
+				stopSelf(startId)
+			}
+		}
+	}
+
+	protected abstract suspend fun processIntent(intent: Intent?)
+}

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

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.base.ui.dialog
+
+import android.content.Context
+import android.graphics.Color
+import android.view.View
+import com.google.android.material.bottomsheet.BottomSheetDialog
+
+class AppBottomSheetDialog(context: Context, theme: Int) : BottomSheetDialog(context, theme) {
+
+	/**
+	 * https://github.com/material-components/material-components-android/issues/2582
+	 */
+	@Suppress("DEPRECATION")
+	override fun onAttachedToWindow() {
+		val window = window
+		val initialSystemUiVisibility = window?.decorView?.systemUiVisibility ?: 0
+		super.onAttachedToWindow()
+		if (window != null) {
+			// If the navigation bar is translucent at all, the BottomSheet should be edge to edge
+			val drawEdgeToEdge = edgeToEdgeEnabled && Color.alpha(window.navigationBarColor) < 0xFF
+			if (drawEdgeToEdge) {
+				// Copied from super.onAttachedToWindow:
+				val edgeToEdgeFlags = View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+				// Fix super-class's window flag bug by respecting the initial system UI visibility:
+				window.decorView.systemUiVisibility = edgeToEdgeFlags or initialSystemUiVisibility
+			}
+		}
+	}
+}

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

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.base.ui.dialog
 
 import android.content.Context
 import android.content.DialogInterface
+import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.BaseAdapter
@@ -12,7 +13,6 @@ import kotlinx.coroutines.runBlocking
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.databinding.ItemStorageBinding
 import org.koitharu.kotatsu.local.data.LocalStorageManager
-import org.koitharu.kotatsu.utils.ext.inflate
 import java.io.File
 
 class StorageSelectDialog private constructor(private val delegate: AlertDialog) :
@@ -66,7 +66,7 @@ class StorageSelectDialog private constructor(private val delegate: AlertDialog)
 		val volumes = getAvailableVolumes(storageManager)
 
 		override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
-			val view = convertView ?: parent.inflate(R.layout.item_storage)
+			val view = convertView ?: LayoutInflater.from(parent.context).inflate(R.layout.item_storage, parent, false)
 			val binding = (view.tag as? ItemStorageBinding) ?: ItemStorageBinding.bind(view).also {
 				view.tag = it
 			}

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

@@ -0,0 +1,20 @@
+package org.koitharu.kotatsu.base.ui.list
+
+import android.view.View
+import android.view.View.OnClickListener
+import android.view.View.OnLongClickListener
+import com.hannesdorfmann.adapterdelegates4.dsl.AdapterDelegateViewBindingViewHolder
+
+class AdapterDelegateClickListenerAdapter<I>(
+	private val adapterDelegate: AdapterDelegateViewBindingViewHolder<I, *>,
+	private val clickListener: OnListItemClickListener<I>,
+) : OnClickListener, OnLongClickListener {
+
+	override fun onClick(v: View) {
+		clickListener.onItemClick(adapterDelegate.item, v)
+	}
+
+	override fun onLongClick(v: View): Boolean {
+		return clickListener.onItemLongClick(adapterDelegate.item, v)
+	}
+}

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

@@ -0,0 +1,35 @@
+package org.koitharu.kotatsu.base.ui.list.decor
+
+import android.graphics.Rect
+import android.util.SparseIntArray
+import android.view.View
+import androidx.core.util.getOrDefault
+import androidx.core.util.set
+import androidx.recyclerview.widget.RecyclerView
+
+class TypedSpacingItemDecoration(
+	vararg spacingMapping: Pair<Int, Int>,
+	private val fallbackSpacing: Int = 0,
+) : RecyclerView.ItemDecoration() {
+
+	private val mapping = SparseIntArray(spacingMapping.size)
+	
+	init {
+		spacingMapping.forEach { (k, v) -> mapping[k] = v }
+	}
+
+	override fun getItemOffsets(
+		outRect: Rect,
+		view: View,
+		parent: RecyclerView,
+		state: RecyclerView.State
+	) {
+		val itemType = parent.getChildViewHolder(view)?.itemViewType
+		val spacing = if (itemType == null) {
+			fallbackSpacing
+		} else {
+			mapping.getOrDefault(itemType, fallbackSpacing)
+		}
+		outRect.set(spacing, spacing, spacing, spacing)
+	}
+}

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

@@ -0,0 +1,34 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import android.app.Activity
+import android.app.Application.ActivityLifecycleCallbacks
+import android.os.Bundle
+import java.util.*
+
+class ActivityRecreationHandle : ActivityLifecycleCallbacks {
+
+	private val activities = WeakHashMap<Activity, Unit>()
+
+	override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+		activities[activity] = Unit
+	}
+
+	override fun onActivityStarted(activity: Activity) = Unit
+
+	override fun onActivityResumed(activity: Activity) = Unit
+
+	override fun onActivityPaused(activity: Activity) = Unit
+
+	override fun onActivityStopped(activity: Activity) = Unit
+
+	override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) = Unit
+
+	override fun onActivityDestroyed(activity: Activity) {
+		activities.remove(activity)
+	}
+
+	fun recreateAll() {
+		val snapshot = activities.keys.toList()
+		snapshot.forEach { it.recreate() }
+	}
+}

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

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.base.ui.util
+
+import androidx.annotation.AnyThread
+import androidx.lifecycle.LiveData
+import java.util.concurrent.atomic.AtomicInteger
+
+class CountedBooleanLiveData : LiveData<Boolean>(false) {
+
+	private val counter = AtomicInteger(0)
+
+	@AnyThread
+	fun increment() {
+		if (counter.getAndIncrement() == 0) {
+			postValue(true)
+		}
+	}
+
+	@AnyThread
+	fun decrement() {
+		if (counter.decrementAndGet() == 0) {
+			postValue(false)
+		}
+	}
+
+	@AnyThread
+	fun reset() {
+		if (counter.getAndSet(0) != 0) {
+			postValue(false)
+		}
+	}
+}

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

@@ -16,10 +16,7 @@ class WindowInsetsDelegate(
 
 	private var lastInsets: Insets? = null
 
-	override fun onApplyWindowInsets(v: View?, insets: WindowInsetsCompat?): WindowInsetsCompat? {
-		if (insets == null) {
-			return null
-		}
+	override fun onApplyWindowInsets(v: View, insets: WindowInsetsCompat): WindowInsetsCompat {
 		val handledInsets = interceptingWindowInsetsListener?.onApplyWindowInsets(v, insets) ?: insets
 		val newInsets = if (handleImeInsets) {
 			Insets.max(
@@ -49,7 +46,7 @@ class WindowInsetsDelegate(
 	) {
 		view.removeOnLayoutChangeListener(this)
 		if (lastInsets == null) { // Listener may not be called
-			onApplyWindowInsets(view, ViewCompat.getRootWindowInsets(view))
+			onApplyWindowInsets(view, ViewCompat.getRootWindowInsets(view) ?: return)
 		}
 	}
 

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

@@ -5,6 +5,7 @@ import android.os.Parcel
 import android.os.Parcelable
 import android.os.Parcelable.Creator
 import android.util.AttributeSet
+import android.view.View
 import android.widget.Checkable
 import androidx.annotation.AttrRes
 import androidx.appcompat.widget.AppCompatImageView
@@ -61,6 +62,12 @@ class CheckableImageView @JvmOverloads constructor(
 		}
 	}
 
+	class ToggleOnClickListener : OnClickListener {
+		override fun onClick(view: View) {
+			(view as? Checkable)?.toggle()
+		}
+	}
+
 	fun interface OnCheckedChangeListener {
 
 		fun onCheckedChanged(view: CheckableImageView, isChecked: Boolean)

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

@@ -13,12 +13,12 @@ import android.graphics.drawable.shapes.RectShape
 import android.util.AttributeSet
 import androidx.annotation.AttrRes
 import androidx.appcompat.widget.AppCompatCheckedTextView
-import androidx.core.content.res.use
 import androidx.core.content.withStyledAttributes
 import com.google.android.material.ripple.RippleUtils
 import com.google.android.material.shape.MaterialShapeDrawable
 import com.google.android.material.shape.ShapeAppearanceModel
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.utils.ext.getThemeColorStateList
 
 @SuppressLint("RestrictedApi")
 class ListItemTextView @JvmOverloads constructor(
@@ -36,8 +36,7 @@ class ListItemTextView @JvmOverloads constructor(
 
 	init {
 		context.withStyledAttributes(attrs, R.styleable.ListItemTextView, defStyleAttr) {
-			val itemRippleColor = getColorStateList(R.styleable.ListItemTextView_rippleColor)
-				?: getRippleColorFallback(context)
+			val itemRippleColor = getRippleColor(context)
 			val shape = createShapeDrawable(this)
 			background = RippleDrawable(
 				RippleUtils.sanitizeRippleDrawableColor(itemRippleColor),
@@ -108,7 +107,7 @@ class ListItemTextView @JvmOverloads constructor(
 			ta.getResourceId(R.styleable.ListItemTextView_shapeAppearanceOverlay, 0),
 		).build()
 		val shapeDrawable = MaterialShapeDrawable(shapeAppearance)
-		shapeDrawable.fillColor = ta.getColorStateList(R.styleable.ListItemTextView_backgroundTint)
+		shapeDrawable.fillColor = ta.getColorStateList(R.styleable.ListItemTextView_backgroundFillColor)
 		return InsetDrawable(
 			shapeDrawable,
 			ta.getDimensionPixelOffset(R.styleable.ListItemTextView_android_insetLeft, 0),
@@ -118,9 +117,8 @@ class ListItemTextView @JvmOverloads constructor(
 		)
 	}
 
-	private fun getRippleColorFallback(context: Context): ColorStateList {
-		return context.obtainStyledAttributes(intArrayOf(android.R.attr.colorControlHighlight)).use {
-			it.getColorStateList(0)
-		} ?: ColorStateList.valueOf(Color.TRANSPARENT)
+	private fun getRippleColor(context: Context): ColorStateList {
+		return context.getThemeColorStateList(android.R.attr.colorControlHighlight)
+			?: ColorStateList.valueOf(Color.TRANSPARENT)
 	}
 }

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

@@ -0,0 +1,72 @@
+package org.koitharu.kotatsu.base.ui.widgets
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.AttributeSet
+import android.view.Gravity
+import android.view.View
+import android.view.WindowInsets
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import androidx.annotation.AttrRes
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.core.view.WindowInsetsCompat
+
+class WindowInsetHolder @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	@AttrRes defStyleAttr: Int = 0,
+) : View(context, attrs, defStyleAttr) {
+
+	private var desiredHeight = 0
+	private var desiredWidth = 0
+
+	@SuppressLint("RtlHardcoded")
+	override fun dispatchApplyWindowInsets(insets: WindowInsets): WindowInsets {
+		val barsInsets = WindowInsetsCompat.toWindowInsetsCompat(insets, this)
+			.getInsets(WindowInsetsCompat.Type.systemBars())
+		val gravity = getLayoutGravity()
+		val newWidth = when (gravity and Gravity.HORIZONTAL_GRAVITY_MASK) {
+			Gravity.LEFT -> barsInsets.left
+			Gravity.RIGHT -> barsInsets.right
+			else -> 0
+		}
+		val newHeight = when (gravity and Gravity.VERTICAL_GRAVITY_MASK) {
+			Gravity.TOP -> barsInsets.top
+			Gravity.BOTTOM -> barsInsets.bottom
+			else -> 0
+		}
+		if (newWidth != desiredWidth || newHeight != desiredHeight) {
+			desiredWidth = newWidth
+			desiredHeight = newHeight
+			requestLayout()
+		}
+		return super.dispatchApplyWindowInsets(insets)
+	}
+
+	override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+		val widthMode = MeasureSpec.getMode(widthMeasureSpec)
+		val heightMode = MeasureSpec.getMode(heightMeasureSpec)
+		super.onMeasure(
+			if (desiredWidth == 0 || widthMode == MeasureSpec.EXACTLY) {
+				widthMeasureSpec
+			} else {
+				MeasureSpec.makeMeasureSpec(desiredWidth, widthMode)
+			},
+			if (desiredHeight == 0 || heightMode == MeasureSpec.EXACTLY) {
+				heightMeasureSpec
+			} else {
+				MeasureSpec.makeMeasureSpec(desiredHeight, heightMode)
+			},
+		)
+	}
+
+	private fun getLayoutGravity(): Int {
+		return when (val lp = layoutParams) {
+			is FrameLayout.LayoutParams -> lp.gravity
+			is LinearLayout.LayoutParams -> lp.gravity
+			is CoordinatorLayout.LayoutParams -> lp.gravity
+			else -> Gravity.NO_GRAVITY
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/bookmarks/BookmarksModule.kt

@@ -0,0 +1,10 @@
+package org.koitharu.kotatsu.bookmarks
+
+import org.koin.dsl.module
+import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
+
+val bookmarksModule
+	get() = module {
+
+		factory { BookmarksRepository(get()) }
+	}

app/src/main/java/org/koitharu/kotatsu/bookmarks/data/BookmarkEntity.kt

@@ -0,0 +1,28 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import org.koitharu.kotatsu.core.db.entity.MangaEntity
+
+@Entity(
+	tableName = "bookmarks",
+	primaryKeys = ["manga_id", "page_id"],
+	foreignKeys = [
+		ForeignKey(
+			entity = MangaEntity::class,
+			parentColumns = ["manga_id"],
+			childColumns = ["manga_id"],
+			onDelete = ForeignKey.CASCADE
+		),
+	]
+)
+class BookmarkEntity(
+	@ColumnInfo(name = "manga_id", index = true) val mangaId: Long,
+	@ColumnInfo(name = "page_id", index = true) val pageId: Long,
+	@ColumnInfo(name = "chapter_id") val chapterId: Long,
+	@ColumnInfo(name = "page") val page: Int,
+	@ColumnInfo(name = "scroll") val scroll: Int,
+	@ColumnInfo(name = "image") val imageUrl: String,
+	@ColumnInfo(name = "created_at") val createdAt: Long,
+)

app/src/main/java/org/koitharu/kotatsu/bookmarks/data/BookmarkWithManga.kt

@@ -0,0 +1,23 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import androidx.room.Embedded
+import androidx.room.Junction
+import androidx.room.Relation
+import org.koitharu.kotatsu.core.db.entity.MangaEntity
+import org.koitharu.kotatsu.core.db.entity.MangaTagsEntity
+import org.koitharu.kotatsu.core.db.entity.TagEntity
+
+class BookmarkWithManga(
+	@Embedded val bookmark: BookmarkEntity,
+	@Relation(
+		parentColumn = "manga_id",
+		entityColumn = "manga_id"
+	)
+	val manga: MangaEntity,
+	@Relation(
+		parentColumn = "manga_id",
+		entityColumn = "tag_id",
+		associateBy = Junction(MangaTagsEntity::class)
+	)
+	val tags: List<TagEntity>,
+)

app/src/main/java/org/koitharu/kotatsu/bookmarks/data/BookmarksDao.kt

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+abstract class BookmarksDao {
+
+	@Query("SELECT * FROM bookmarks WHERE manga_id = :mangaId AND chapter_id = :chapterId AND page = :page")
+	abstract fun observe(mangaId: Long, chapterId: Long, page: Int): Flow<BookmarkEntity?>
+
+	@Query("SELECT * FROM bookmarks WHERE manga_id = :mangaId ORDER BY created_at DESC")
+	abstract fun observe(mangaId: Long): Flow<List<BookmarkEntity>>
+
+	@Insert
+	abstract suspend fun insert(entity: BookmarkEntity)
+
+	@Delete
+	abstract suspend fun delete(entity: BookmarkEntity)
+
+	@Query("DELETE FROM bookmarks WHERE manga_id = :mangaId AND page_id = :pageId")
+	abstract suspend fun delete(mangaId: Long, pageId: Long)
+}

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

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.bookmarks.data
+
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.core.db.entity.toManga
+import org.koitharu.kotatsu.core.db.entity.toMangaTags
+import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.*
+
+fun BookmarkWithManga.toBookmark() = bookmark.toBookmark(
+	manga.toManga(tags.toMangaTags())
+)
+
+fun BookmarkEntity.toBookmark(manga: Manga) = Bookmark(
+	manga = manga,
+	pageId = pageId,
+	chapterId = chapterId,
+	page = page,
+	scroll = scroll,
+	imageUrl = imageUrl,
+	createdAt = Date(createdAt),
+)
+
+fun Bookmark.toEntity() = BookmarkEntity(
+	mangaId = manga.id,
+	pageId = pageId,
+	chapterId = chapterId,
+	page = page,
+	scroll = scroll,
+	imageUrl = imageUrl,
+	createdAt = createdAt.time,
+)

app/src/main/java/org/koitharu/kotatsu/bookmarks/domain/Bookmark.kt

@@ -0,0 +1,43 @@
+package org.koitharu.kotatsu.bookmarks.domain
+
+import org.koitharu.kotatsu.parsers.model.Manga
+import java.util.*
+
+class Bookmark(
+	val manga: Manga,
+	val pageId: Long,
+	val chapterId: Long,
+	val page: Int,
+	val scroll: Int,
+	val imageUrl: String,
+	val createdAt: Date,
+) {
+
+	override fun equals(other: Any?): Boolean {
+		if (this === other) return true
+		if (javaClass != other?.javaClass) return false
+
+		other as Bookmark
+
+		if (manga != other.manga) return false
+		if (pageId != other.pageId) return false
+		if (chapterId != other.chapterId) return false
+		if (page != other.page) return false
+		if (scroll != other.scroll) return false
+		if (imageUrl != other.imageUrl) return false
+		if (createdAt != other.createdAt) return false
+
+		return true
+	}
+
+	override fun hashCode(): Int {
+		var result = manga.hashCode()
+		result = 31 * result + pageId.hashCode()
+		result = 31 * result + chapterId.hashCode()
+		result = 31 * result + page
+		result = 31 * result + scroll
+		result = 31 * result + imageUrl.hashCode()
+		result = 31 * result + createdAt.hashCode()
+		return result
+	}
+}

app/src/main/java/org/koitharu/kotatsu/bookmarks/domain/BookmarksRepository.kt

@@ -0,0 +1,38 @@
+package org.koitharu.kotatsu.bookmarks.domain
+
+import androidx.room.withTransaction
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import org.koitharu.kotatsu.bookmarks.data.toBookmark
+import org.koitharu.kotatsu.bookmarks.data.toEntity
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.core.db.entity.toEntities
+import org.koitharu.kotatsu.core.db.entity.toEntity
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.utils.ext.mapItems
+
+class BookmarksRepository(
+	private val db: MangaDatabase,
+) {
+
+	fun observeBookmark(manga: Manga, chapterId: Long, page: Int): Flow<Bookmark?> {
+		return db.bookmarksDao.observe(manga.id, chapterId, page).map { it?.toBookmark(manga) }
+	}
+
+	fun observeBookmarks(manga: Manga): Flow<List<Bookmark>> {
+		return db.bookmarksDao.observe(manga.id).mapItems { it.toBookmark(manga) }
+	}
+
+	suspend fun addBookmark(bookmark: Bookmark) {
+		db.withTransaction {
+			val tags = bookmark.manga.tags.toEntities()
+			db.tagsDao.upsert(tags)
+			db.mangaDao.upsert(bookmark.manga.toEntity(), tags)
+			db.bookmarksDao.insert(bookmark.toEntity())
+		}
+	}
+
+	suspend fun removeBookmark(mangaId: Long, pageId: Long) {
+		db.bookmarksDao.delete(mangaId, pageId)
+	}
+}

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

@@ -0,0 +1,51 @@
+package org.koitharu.kotatsu.bookmarks.ui
+
+import androidx.lifecycle.LifecycleOwner
+import coil.ImageLoader
+import coil.request.Disposable
+import coil.size.Scale
+import coil.util.CoilUtils
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.list.AdapterDelegateClickListenerAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.databinding.ItemBookmarkBinding
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.newImageRequest
+import org.koitharu.kotatsu.utils.ext.referer
+
+fun bookmarkListAD(
+	coil: ImageLoader,
+	lifecycleOwner: LifecycleOwner,
+	clickListener: OnListItemClickListener<Bookmark>,
+) = adapterDelegateViewBinding<Bookmark, Bookmark, ItemBookmarkBinding>(
+	{ inflater, parent -> ItemBookmarkBinding.inflate(inflater, parent, false) }
+) {
+
+	var imageRequest: Disposable? = null
+	val listener = AdapterDelegateClickListenerAdapter(this, clickListener)
+
+	binding.root.setOnClickListener(listener)
+	binding.root.setOnLongClickListener(listener)
+
+	bind {
+		imageRequest?.dispose()
+		imageRequest = binding.imageViewThumb.newImageRequest(item.imageUrl)
+			.referer(item.manga.publicUrl)
+			.placeholder(R.drawable.ic_placeholder)
+			.fallback(R.drawable.ic_placeholder)
+			.error(R.drawable.ic_placeholder)
+			.allowRgb565(true)
+			.scale(Scale.FILL)
+			.lifecycle(lifecycleOwner)
+			.enqueueWith(coil)
+	}
+
+	onViewRecycled {
+		imageRequest?.dispose()
+		imageRequest = null
+		CoilUtils.dispose(binding.imageViewThumb)
+		binding.imageViewThumb.setImageDrawable(null)
+	}
+}

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

@@ -0,0 +1,30 @@
+package org.koitharu.kotatsu.bookmarks.ui
+
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.DiffUtil
+import coil.ImageLoader
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+
+class BookmarksAdapter(
+	coil: ImageLoader,
+	lifecycleOwner: LifecycleOwner,
+	clickListener: OnListItemClickListener<Bookmark>,
+) : AsyncListDifferDelegationAdapter<Bookmark>(
+	DiffCallback(),
+	bookmarkListAD(coil, lifecycleOwner, clickListener)
+) {
+
+	private class DiffCallback : DiffUtil.ItemCallback<Bookmark>() {
+
+		override fun areItemsTheSame(oldItem: Bookmark, newItem: Bookmark): Boolean {
+			return oldItem.manga.id == newItem.manga.id && oldItem.chapterId == newItem.chapterId
+		}
+
+		override fun areContentsTheSame(oldItem: Bookmark, newItem: Bookmark): Boolean {
+			return oldItem.imageUrl == newItem.imageUrl
+		}
+
+	}
+}

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

@@ -11,10 +11,11 @@ import android.view.MenuItem
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
+import com.google.android.material.R as materialR
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseActivity
+import org.koitharu.kotatsu.core.network.UserAgentInterceptor
 import org.koitharu.kotatsu.databinding.ActivityBrowserBinding
-import com.google.android.material.R as materialR
 
 @SuppressLint("SetJavaScriptEnabled")
 class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback {
@@ -28,6 +29,7 @@ class BrowserActivity : BaseActivity<ActivityBrowserBinding>(), BrowserCallback
 		}
 		with(binding.webView.settings) {
 			javaScriptEnabled = true
+			userAgentString = UserAgentInterceptor.userAgent
 		}
 		binding.webView.webViewClient = BrowserClient(this)
 		binding.webView.webChromeClient = ProgressChromeClient(binding.progressBar)

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

@@ -2,15 +2,11 @@ package org.koitharu.kotatsu.browser
 
 import android.graphics.Bitmap
 import android.webkit.WebView
-import okhttp3.OkHttpClient
 import org.koin.core.component.KoinComponent
-import org.koin.core.component.inject
 import org.koitharu.kotatsu.core.network.WebViewClientCompat
 
 class BrowserClient(private val callback: BrowserCallback) : WebViewClientCompat(), KoinComponent {
 
-	private val okHttp by inject<OkHttpClient>(mode = LazyThreadSafetyMode.SYNCHRONIZED)
-
 	override fun onPageFinished(webView: WebView, url: String) {
 		super.onPageFinished(webView, url)
 		callback.onLoadingStateChanged(isLoading = false)

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

@@ -1,51 +0,0 @@
-package org.koitharu.kotatsu.core.backup
-
-import android.content.Context
-import java.io.File
-import java.util.*
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.runInterruptible
-import kotlinx.coroutines.withContext
-import org.json.JSONArray
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.utils.MutableZipFile
-import org.koitharu.kotatsu.utils.ext.format
-
-class BackupArchive(file: File) : MutableZipFile(file) {
-
-	init {
-		if (!dir.exists()) {
-			dir.mkdirs()
-		}
-	}
-
-	suspend fun put(entry: BackupEntry) {
-		put(entry.name, entry.data.toString(2))
-	}
-
-	suspend fun getEntry(name: String): BackupEntry {
-		val json = withContext(Dispatchers.Default) {
-			JSONArray(getContent(name))
-		}
-		return BackupEntry(name, json)
-	}
-
-	companion object {
-
-		private const val DIR_BACKUPS = "backups"
-
-		suspend fun createNew(context: Context): BackupArchive = runInterruptible(Dispatchers.IO) {
-			val dir = context.run {
-				getExternalFilesDir(DIR_BACKUPS) ?: File(filesDir, DIR_BACKUPS)
-			}
-			dir.mkdirs()
-			val filename = buildString {
-				append(context.getString(R.string.app_name).lowercase(Locale.ROOT))
-				append('_')
-				append(Date().format("ddMMyyyy"))
-				append(".bak")
-			}
-			BackupArchive(File(dir, filename))
-		}
-	}
-}

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

@@ -121,6 +121,7 @@ class BackupRepository(private val db: MangaDatabase) {
 		jo.put("sort_key", sortKey)
 		jo.put("title", title)
 		jo.put("order", order)
+		jo.put("track", track)
 		return jo
 	}
 

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

@@ -0,0 +1,25 @@
+package org.koitharu.kotatsu.core.backup
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
+import okio.Closeable
+import org.json.JSONArray
+import java.io.File
+import java.util.zip.ZipFile
+
+class BackupZipInput(val file: File) : Closeable {
+
+	private val zipFile = ZipFile(file)
+
+	suspend fun getEntry(name: String): BackupEntry = runInterruptible(Dispatchers.IO) {
+		val entry = zipFile.getEntry(name)
+		val json = zipFile.getInputStream(entry).use {
+			JSONArray(it.bufferedReader().readText())
+		}
+		BackupEntry(name, json)
+	}
+
+	override fun close() {
+		zipFile.close()
+	}
+}

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

@@ -0,0 +1,45 @@
+package org.koitharu.kotatsu.core.backup
+
+import android.content.Context
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
+import okio.Closeable
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.zip.ZipOutput
+import org.koitharu.kotatsu.utils.ext.format
+import java.io.File
+import java.util.*
+import java.util.zip.Deflater
+
+class BackupZipOutput(val file: File) : Closeable {
+
+	private val output = ZipOutput(file, Deflater.BEST_COMPRESSION)
+
+	suspend fun put(entry: BackupEntry) {
+		output.put(entry.name, entry.data.toString(2))
+	}
+
+	suspend fun finish() {
+		output.finish()
+	}
+
+	override fun close() {
+		output.close()
+	}
+}
+
+private const val DIR_BACKUPS = "backups"
+
+suspend fun BackupZipOutput(context: Context): BackupZipOutput = runInterruptible(Dispatchers.IO) {
+	val dir = context.run {
+		getExternalFilesDir(DIR_BACKUPS) ?: File(filesDir, DIR_BACKUPS)
+	}
+	dir.mkdirs()
+	val filename = buildString {
+		append(context.getString(R.string.app_name).replace(' ', '_').lowercase(Locale.ROOT))
+		append('_')
+		append(Date().format("ddMMyyyy"))
+		append(".bk.zip")
+	}
+	BackupZipOutput(File(dir, filename))
+}

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

@@ -104,6 +104,7 @@ class RestoreRepository(private val db: MangaDatabase) {
 		sortKey = json.getInt("sort_key"),
 		title = json.getString("title"),
 		order = json.getStringOrNull("order") ?: SortOrder.NEWEST.name,
+		track = json.getBooleanOrDefault("track", true),
 	)
 
 	private fun parseFavourite(json: JSONObject) = FavouriteEntity(

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

@@ -5,5 +5,5 @@ import org.koin.dsl.module
 
 val databaseModule
 	get() = module {
-		single { MangaDatabase.create(androidContext()) }
+		single { MangaDatabase(androidContext()) }
 	}

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

@@ -10,8 +10,8 @@ class DatabasePrePopulateCallback(private val resources: Resources) : RoomDataba
 
 	override fun onCreate(db: SupportSQLiteDatabase) {
 		db.execSQL(
-			"INSERT INTO favourite_categories (created_at, sort_key, title, `order`) VALUES (?,?,?,?)",
-			arrayOf(System.currentTimeMillis(), 1, resources.getString(R.string.read_later), SortOrder.NEWEST.name)
+			"INSERT INTO favourite_categories (created_at, sort_key, title, `order`, track) VALUES (?,?,?,?,?)",
+			arrayOf(System.currentTimeMillis(), 1, resources.getString(R.string.read_later), SortOrder.NEWEST.name, 1)
 		)
 	}
 }

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

@@ -4,6 +4,8 @@ import android.content.Context
 import androidx.room.Database
 import androidx.room.Room
 import androidx.room.RoomDatabase
+import org.koitharu.kotatsu.bookmarks.data.BookmarkEntity
+import org.koitharu.kotatsu.bookmarks.data.BookmarksDao
 import org.koitharu.kotatsu.core.db.dao.*
 import org.koitharu.kotatsu.core.db.entity.*
 import org.koitharu.kotatsu.core.db.migrations.*
@@ -15,14 +17,17 @@ import org.koitharu.kotatsu.history.data.HistoryDao
 import org.koitharu.kotatsu.history.data.HistoryEntity
 import org.koitharu.kotatsu.suggestions.data.SuggestionDao
 import org.koitharu.kotatsu.suggestions.data.SuggestionEntity
+import org.koitharu.kotatsu.tracker.data.TrackEntity
+import org.koitharu.kotatsu.tracker.data.TrackLogEntity
+import org.koitharu.kotatsu.tracker.data.TracksDao
 
 @Database(
 	entities = [
 		MangaEntity::class, TagEntity::class, HistoryEntity::class, MangaTagsEntity::class,
 		FavouriteCategoryEntity::class, FavouriteEntity::class, MangaPrefsEntity::class,
-		TrackEntity::class, TrackLogEntity::class, SuggestionEntity::class
+		TrackEntity::class, TrackLogEntity::class, SuggestionEntity::class, BookmarkEntity::class,
 	],
-	version = 9
+	version = 11,
 )
 abstract class MangaDatabase : RoomDatabase() {
 
@@ -44,23 +49,24 @@ abstract class MangaDatabase : RoomDatabase() {
 
 	abstract val suggestionDao: SuggestionDao
 
-	companion object {
+	abstract val bookmarksDao: BookmarksDao
+}
 
-		fun create(context: Context): MangaDatabase = Room.databaseBuilder(
-			context,
-			MangaDatabase::class.java,
-			"kotatsu-db"
-		).addMigrations(
-			Migration1To2(),
-			Migration2To3(),
-			Migration3To4(),
-			Migration4To5(),
-			Migration5To6(),
-			Migration6To7(),
-			Migration7To8(),
-			Migration8To9(),
-		).addCallback(
-			DatabasePrePopulateCallback(context.resources)
-		).build()
-	}
-}
+fun MangaDatabase(context: Context): MangaDatabase = Room.databaseBuilder(
+	context,
+	MangaDatabase::class.java,
+	"kotatsu-db"
+).addMigrations(
+	Migration1To2(),
+	Migration2To3(),
+	Migration3To4(),
+	Migration4To5(),
+	Migration5To6(),
+	Migration6To7(),
+	Migration7To8(),
+	Migration8To9(),
+	Migration9To10(),
+	Migration10To11(),
+).addCallback(
+	DatabasePrePopulateCallback(context.resources)
+).build()

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

@@ -1,8 +1,8 @@
 package org.koitharu.kotatsu.core.db.dao
 
 import androidx.room.*
-import org.koitharu.kotatsu.core.db.entity.TrackLogEntity
-import org.koitharu.kotatsu.core.db.entity.TrackLogWithManga
+import org.koitharu.kotatsu.tracker.data.TrackLogEntity
+import org.koitharu.kotatsu.tracker.data.TrackLogWithManga
 
 @Dao
 interface TrackLogsDao {
@@ -21,7 +21,7 @@ interface TrackLogsDao {
 	suspend fun removeAll(mangaId: Long)
 
 	@Query("DELETE FROM track_logs WHERE manga_id NOT IN (SELECT manga_id FROM tracks)")
-	suspend fun cleanup()
+	suspend fun gc()
 
 	@Query("SELECT COUNT(*) FROM track_logs")
 	suspend fun count(): Int

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

@@ -1,11 +1,9 @@
 package org.koitharu.kotatsu.core.db.entity
 
-import java.util.*
-import org.koitharu.kotatsu.core.model.TrackingLogItem
 import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.util.longHashCode
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import org.koitharu.kotatsu.parsers.util.toTitleCase
+import org.koitharu.kotatsu.utils.ext.longHashCode
 
 // Entity to model
 
@@ -35,13 +33,6 @@ fun MangaEntity.toManga(tags: Set<MangaTag>) = Manga(
 
 fun MangaWithTags.toManga() = manga.toManga(tags.toMangaTags())
 
-fun TrackLogWithManga.toTrackingLogItem() = TrackingLogItem(
-	id = trackLog.id,
-	chapters = trackLog.chapters.split('\n').filterNot { x -> x.isEmpty() },
-	manga = manga.toManga(tags.toMangaTags()),
-	createdAt = Date(trackLog.createdAt)
-)
-
 // Model to entity
 
 fun Manga.toEntity() = MangaEntity(

app/src/main/java/org/koitharu/kotatsu/core/db/migrations/Migration10To11.kt

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration10To11 : Migration(10, 11) {
+
+	override fun migrate(database: SupportSQLiteDatabase) {
+		database.execSQL(
+			"""
+			CREATE TABLE IF NOT EXISTS `bookmarks` (
+				`manga_id` INTEGER NOT NULL,
+				`page_id` INTEGER NOT NULL,
+				`chapter_id` INTEGER NOT NULL, 
+				`page` INTEGER NOT NULL,
+				`scroll` INTEGER NOT NULL,
+				`image` TEXT NOT NULL,
+				`created_at` INTEGER NOT NULL,
+				PRIMARY KEY(`manga_id`, `page_id`),
+				FOREIGN KEY(`manga_id`) REFERENCES `manga`(`manga_id`) ON UPDATE NO ACTION ON DELETE CASCADE )
+			""".trimIndent()
+		)
+		database.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_manga_id` ON `bookmarks` (`manga_id`)")
+		database.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_page_id` ON `bookmarks` (`page_id`)")
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/db/migrations/Migration9To10.kt

@@ -0,0 +1,11 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration9To10 : Migration(9, 10) {
+
+	override fun migrate(database: SupportSQLiteDatabase) {
+		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
+	}
+}

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

@@ -0,0 +1,8 @@
+package org.koitharu.kotatsu.core.exceptions
+
+import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
+
+class CompositeException(val errors: Collection<Throwable>) : Exception() {
+
+	override val message: String = errors.mapNotNullToSet { it.message }.joinToString()
+}

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

@@ -4,7 +4,5 @@ import org.koin.dsl.module
 
 val githubModule
 	get() = module {
-		single {
-			GithubRepository(get())
-		}
+		factory { GithubRepository(get()) }
 	}

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

@@ -54,27 +54,23 @@ class VersionId(
 		return result
 	}
 
-	companion object {
-
-		private fun variantWeight(variantType: String) =
-			when (variantType.lowercase(Locale.ROOT)) {
-				"a", "alpha" -> 1
-				"b", "beta" -> 2
-				"rc" -> 4
-				"" -> 8
-				else -> 0
-			}
-
-		fun parse(versionName: String): VersionId {
-			val parts = versionName.substringBeforeLast('-').split('.')
-			val variant = versionName.substringAfterLast('-', "")
-			return VersionId(
-				major = parts.getOrNull(0)?.toIntOrNull() ?: 0,
-				minor = parts.getOrNull(1)?.toIntOrNull() ?: 0,
-				build = parts.getOrNull(2)?.toIntOrNull() ?: 0,
-				variantType = variant.filter(Char::isLetter),
-				variantNumber = variant.filter(Char::isDigit).toIntOrNull() ?: 0
-			)
-		}
+	private fun variantWeight(variantType: String) = when (variantType.lowercase(Locale.ROOT)) {
+		"a", "alpha" -> 1
+		"b", "beta" -> 2
+		"rc" -> 4
+		"" -> 8
+		else -> 0
 	}
+}
+
+fun VersionId(versionName: String): VersionId {
+	val parts = versionName.substringBeforeLast('-').split('.')
+	val variant = versionName.substringAfterLast('-', "")
+	return VersionId(
+		major = parts.getOrNull(0)?.toIntOrNull() ?: 0,
+		minor = parts.getOrNull(1)?.toIntOrNull() ?: 0,
+		build = parts.getOrNull(2)?.toIntOrNull() ?: 0,
+		variantType = variant.filter(Char::isLetter),
+		variantNumber = variant.filter(Char::isDigit).toIntOrNull() ?: 0,
+	)
 }

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

@@ -1,9 +1,9 @@
 package org.koitharu.kotatsu.core.model
 
 import android.os.Parcelable
+import java.util.*
 import kotlinx.parcelize.Parcelize
 import org.koitharu.kotatsu.parsers.model.SortOrder
-import java.util.*
 
 @Parcelize
 data class FavouriteCategory(
@@ -12,4 +12,5 @@ data class FavouriteCategory(
 	val sortKey: Int,
 	val order: SortOrder,
 	val createdAt: Date,
+	val isTrackingEnabled: Boolean,
 ) : Parcelable

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

@@ -3,26 +3,4 @@ package org.koitharu.kotatsu.core.model
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
-fun Manga.withoutChapters() = if (chapters.isNullOrEmpty()) {
-	this
-} else {
-	Manga(
-		id = id,
-		title = title,
-		altTitle = altTitle,
-		url = url,
-		publicUrl = publicUrl,
-		rating = rating,
-		isNsfw = isNsfw,
-		coverUrl = coverUrl,
-		tags = tags,
-		state = state,
-		author = author,
-		largeCoverUrl = largeCoverUrl,
-		description = description,
-		chapters = null,
-		source = source,
-	)
-}
-
 fun Collection<Manga>.ids() = mapToSet { it.id }

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

@@ -0,0 +1,10 @@
+package org.koitharu.kotatsu.core.model
+
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.util.toTitleCase
+import java.util.*
+
+fun MangaSource.getLocaleTitle(): String? {
+	val lc = Locale(locale ?: return null)
+	return lc.getDisplayLanguage(lc).toTitleCase(lc)
+}

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

@@ -1,14 +0,0 @@
-package org.koitharu.kotatsu.core.model
-
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
-import org.koitharu.kotatsu.parsers.model.Manga
-import java.util.*
-
-data class MangaTracking(
-	val manga: Manga,
-	val knownChaptersCount: Int,
-	val lastChapterId: Long,
-	val lastNotifiedChapterId: Long,
-	val lastCheck: Date?
-)

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

@@ -10,13 +10,18 @@ private const val MAX_SAFE_CHAPTERS_COUNT = 40 // this is 100% safe
 
 class ParcelableManga(
 	val manga: Manga,
+	private val withChapters: Boolean,
 ) : Parcelable {
 
-	constructor(parcel: Parcel) : this(parcel.readManga())
+	constructor(parcel: Parcel) : this(parcel.readManga(), true)
 
 	override fun writeToParcel(parcel: Parcel, flags: Int) {
 		val chapters = manga.chapters
-		if (chapters == null || chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
+		if (!withChapters || chapters == null) {
+			manga.writeToParcel(parcel, flags, withChapters = false)
+			return
+		}
+		if (chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
 			// fast path
 			manga.writeToParcel(parcel, flags, withChapters = true)
 			return

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

@@ -0,0 +1,84 @@
+package org.koitharu.kotatsu.core.network
+
+import okhttp3.Cache
+import okhttp3.Dns
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.dnsoverhttps.DnsOverHttps
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+import java.net.InetAddress
+import java.net.UnknownHostException
+
+class DoHManager(
+	cache: Cache,
+	private val settings: AppSettings,
+) : Dns {
+
+	private val bootstrapClient = OkHttpClient.Builder().cache(cache).build()
+
+	private var cachedDelegate: Dns? = null
+	private var cachedProvider: DoHProvider? = null
+
+	override fun lookup(hostname: String): List<InetAddress> {
+		return getDelegate().lookup(hostname)
+	}
+
+	@Synchronized
+	private fun getDelegate(): Dns {
+		var delegate = cachedDelegate
+		val provider = settings.dnsOverHttps
+		if (delegate == null || provider != cachedProvider) {
+			delegate = createDelegate(provider)
+			cachedDelegate = delegate
+			cachedProvider = provider
+		}
+		return delegate
+	}
+
+	private fun createDelegate(provider: DoHProvider): Dns = when (provider) {
+		DoHProvider.NONE -> Dns.SYSTEM
+		DoHProvider.GOOGLE -> DnsOverHttps.Builder().client(bootstrapClient)
+			.url("https://dns.google/dns-query".toHttpUrl())
+			.bootstrapDnsHosts(
+				listOfNotNull(
+					tryGetByIp("8.8.4.4"),
+					tryGetByIp("8.8.8.8"),
+					tryGetByIp("2001:4860:4860::8888"),
+					tryGetByIp("2001:4860:4860::8844"),
+				)
+			).build()
+		DoHProvider.CLOUDFLARE -> DnsOverHttps.Builder().client(bootstrapClient)
+			.url("https://cloudflare-dns.com/dns-query".toHttpUrl())
+			.bootstrapDnsHosts(
+				listOfNotNull(
+					tryGetByIp("162.159.36.1"),
+					tryGetByIp("162.159.46.1"),
+					tryGetByIp("1.1.1.1"),
+					tryGetByIp("1.0.0.1"),
+					tryGetByIp("162.159.132.53"),
+					tryGetByIp("2606:4700:4700::1111"),
+					tryGetByIp("2606:4700:4700::1001"),
+					tryGetByIp("2606:4700:4700::0064"),
+					tryGetByIp("2606:4700:4700::6400"),
+				)
+			).build()
+		DoHProvider.ADGUARD -> DnsOverHttps.Builder().client(bootstrapClient)
+			.url("https://dns-unfiltered.adguard.com/dns-query".toHttpUrl())
+			.bootstrapDnsHosts(
+				listOfNotNull(
+					tryGetByIp("94.140.14.140"),
+					tryGetByIp("94.140.14.141"),
+					tryGetByIp("2a10:50c0::1:ff"),
+					tryGetByIp("2a10:50c0::2:ff"),
+				)
+			).build()
+	}
+
+	private fun tryGetByIp(ip: String): InetAddress? = try {
+		InetAddress.getByName(ip)
+	} catch (e: UnknownHostException) {
+		e.printStackTraceDebug()
+		null
+	}
+}

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

@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.core.network
+
+enum class DoHProvider {
+
+	NONE, GOOGLE, CLOUDFLARE, ADGUARD
+}

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

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.core.network
 
-import java.util.concurrent.TimeUnit
 import okhttp3.CookieJar
 import okhttp3.OkHttpClient
 import org.koin.dsl.bind
@@ -8,17 +7,20 @@ import org.koin.dsl.module
 import org.koitharu.kotatsu.core.parser.MangaLoaderContextImpl
 import org.koitharu.kotatsu.local.data.LocalStorageManager
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import java.util.concurrent.TimeUnit
 
 val networkModule
 	get() = module {
 		single { AndroidCookieJar() } bind CookieJar::class
 		single {
+			val cache = get<LocalStorageManager>().createHttpCache()
 			OkHttpClient.Builder().apply {
 				connectTimeout(20, TimeUnit.SECONDS)
 				readTimeout(60, TimeUnit.SECONDS)
 				writeTimeout(20, TimeUnit.SECONDS)
 				cookieJar(get())
-				cache(get<LocalStorageManager>().createHttpCache())
+				dns(DoHManager(cache, get()))
+				cache(cache)
 				addInterceptor(UserAgentInterceptor())
 				addInterceptor(CloudFlareInterceptor())
 			}.build()

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

@@ -1,10 +1,10 @@
 package org.koitharu.kotatsu.core.network
 
 import android.os.Build
+import java.util.*
 import okhttp3.Interceptor
 import okhttp3.Response
 import org.koitharu.kotatsu.BuildConfig
-import java.util.*
 
 class UserAgentInterceptor : Interceptor {
 
@@ -30,5 +30,14 @@ class UserAgentInterceptor : Interceptor {
 				Build.DEVICE,
 				Locale.getDefault().language
 			)
+
+		val userAgentChrome
+			get() = (
+				"Mozilla/5.0 (Linux; Android %s; %s) AppleWebKit/537.36 (KHTML, like Gecko) " +
+					"Chrome/100.0.4896.127 Mobile Safari/537.36"
+				).format(
+				Build.VERSION.RELEASE,
+				Build.MODEL,
+			)
 	}
 }

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

@@ -5,12 +5,12 @@ import android.content.Context
 import android.content.pm.ShortcutManager
 import android.media.ThumbnailUtils
 import android.os.Build
+import android.util.Size
 import androidx.core.content.pm.ShortcutInfoCompat
 import androidx.core.content.pm.ShortcutManagerCompat
 import androidx.core.graphics.drawable.IconCompat
 import coil.ImageLoader
 import coil.request.ImageRequest
-import coil.size.PixelSize
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.R
@@ -54,7 +54,7 @@ class ShortcutsRepository(
 				val bmp = coil.execute(
 					ImageRequest.Builder(context)
 						.data(manga.coverUrl)
-						.size(iconSize)
+						.size(iconSize.width, iconSize.height)
 						.build()
 				).requireBitmap()
 				ThumbnailUtils.extractThumbnail(bmp, iconSize.width, iconSize.height, 0)
@@ -74,14 +74,14 @@ class ShortcutsRepository(
 			)
 	}
 
-	private fun getIconSize(context: Context): PixelSize {
+	private fun getIconSize(context: Context): Size {
 		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {
 			(context.getSystemService(Context.SHORTCUT_SERVICE) as ShortcutManager).let {
-				PixelSize(it.iconMaxWidth, it.iconMaxHeight)
+				Size(it.iconMaxWidth, it.iconMaxHeight)
 			}
 		} else {
 			(context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager).launcherLargeIconSize.let {
-				PixelSize(it, it)
+				Size(it, it)
 			}
 		}
 	}

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

@@ -2,17 +2,19 @@ package org.koitharu.kotatsu.core.parser
 
 import android.net.Uri
 import coil.map.Mapper
+import coil.request.Options
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import org.koitharu.kotatsu.parsers.model.MangaSource
 
-class FaviconMapper() : Mapper<Uri, HttpUrl> {
+class FaviconMapper : Mapper<Uri, HttpUrl> {
 
-	override fun map(data: Uri): HttpUrl {
+	override fun map(data: Uri, options: Options): HttpUrl? {
+		if (data.scheme != "favicon") {
+			return null
+		}
 		val mangaSource = MangaSource.valueOf(data.schemeSpecificPart)
 		val repo = MangaRepository(mangaSource) as RemoteMangaRepository
 		return repo.getFaviconUrl().toHttpUrl()
 	}
-
-	override fun handles(data: Uri) = data.scheme == "favicon"
 }

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

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.core.parser
 
+import java.lang.ref.WeakReference
+import java.util.*
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.get
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
@@ -11,12 +13,9 @@ interface MangaRepository {
 
 	val sortOrders: Set<SortOrder>
 
-	suspend fun getList(
-		offset: Int,
-		query: String? = null,
-		tags: Set<MangaTag>? = null,
-		sortOrder: SortOrder? = null,
-	): List<Manga>
+	suspend fun getList(offset: Int, query: String): List<Manga>
+
+	suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga>
 
 	suspend fun getDetails(manga: Manga): Manga
 
@@ -28,11 +27,18 @@ interface MangaRepository {
 
 	companion object : KoinComponent {
 
+		private val cache = EnumMap<MangaSource, WeakReference<RemoteMangaRepository>>(MangaSource::class.java)
+
 		operator fun invoke(source: MangaSource): MangaRepository {
-			return if (source == MangaSource.LOCAL) {
-				get<LocalMangaRepository>()
-			} else {
-				RemoteMangaRepository(source, get())
+			if (source == MangaSource.LOCAL) {
+				return get<LocalMangaRepository>()
+			}
+			cache[source]?.get()?.let { return it }
+			return synchronized(cache) {
+				cache[source]?.get()?.let { return it }
+				val repository = RemoteMangaRepository(MangaParser(source, get()))
+				cache[source] = WeakReference(repository)
+				repository
 			}
 		}
 	}

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

@@ -1,19 +1,15 @@
 package org.koitharu.kotatsu.core.parser
 
 import org.koitharu.kotatsu.core.prefs.SourceSettings
-import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.config.ConfigKey
 import org.koitharu.kotatsu.parsers.model.*
-import org.koitharu.kotatsu.parsers.newParser
 
-class RemoteMangaRepository(
-	override val source: MangaSource,
-	loaderContext: MangaLoaderContext,
-) : MangaRepository {
+class RemoteMangaRepository(private val parser: MangaParser) : MangaRepository {
 
-	private val parser: MangaParser = source.newParser(loaderContext)
+	override val source: MangaSource
+		get() = parser.source
 
 	override val sortOrders: Set<SortOrder>
 		get() = parser.sortOrders
@@ -24,12 +20,13 @@ class RemoteMangaRepository(
 			getConfig().defaultSortOrder = value
 		}
 
-	override suspend fun getList(
-		offset: Int,
-		query: String?,
-		tags: Set<MangaTag>?,
-		sortOrder: SortOrder?
-	): List<Manga> = parser.getList(offset, query, tags, sortOrder)
+	override suspend fun getList(offset: Int, query: String): List<Manga> {
+		return parser.getList(offset, query)
+	}
+
+	override suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga> {
+		return parser.getList(offset, tags, sortOrder)
+	}
 
 	override suspend fun getDetails(manga: Manga): Manga = parser.getDetails(manga)
 
@@ -48,4 +45,4 @@ class RemoteMangaRepository(
 	}
 
 	private fun getConfig() = parser.config as SourceSettings
-}
+}

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

@@ -4,7 +4,6 @@ import android.content.Context
 import android.content.SharedPreferences
 import android.net.ConnectivityManager
 import android.net.Uri
-import android.os.Build
 import android.provider.Settings
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.collection.arraySetOf
@@ -14,7 +13,9 @@ import com.google.android.material.color.DynamicColors
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.channels.trySendBlocking
 import kotlinx.coroutines.flow.callbackFlow
+import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.model.ZoomMode
+import org.koitharu.kotatsu.core.network.DoHProvider
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.utils.ext.getEnumValue
 import org.koitharu.kotatsu.utils.ext.putEnumValue
@@ -28,6 +29,16 @@ class AppSettings(context: Context) {
 
 	private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
 
+	private val remoteSources = EnumSet.allOf(MangaSource::class.java).apply {
+		remove(MangaSource.LOCAL)
+		if (!BuildConfig.DEBUG) {
+			remove(MangaSource.DUMMY)
+		}
+	}
+
+	val remoteMangaSources: Set<MangaSource>
+		get() = Collections.unmodifiableSet(remoteSources)
+
 	var listMode: ListMode
 		get() = prefs.getEnumValue(KEY_LIST_MODE, ListMode.DETAILED_LIST)
 		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE, value) }
@@ -40,7 +51,7 @@ class AppSettings(context: Context) {
 		get() = prefs.getString(KEY_THEME, null)?.toIntOrNull() ?: AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
 
 	val isDynamicTheme: Boolean
-		get() = prefs.getBoolean(KEY_DYNAMIC_THEME, false)
+		get() = DynamicColors.isDynamicColorAvailable() && prefs.getBoolean(KEY_DYNAMIC_THEME, false)
 
 	val isAmoledTheme: Boolean
 		get() = prefs.getBoolean(KEY_THEME_AMOLED, false)
@@ -56,6 +67,10 @@ class AppSettings(context: Context) {
 		get() = prefs.getBoolean(KEY_TRAFFIC_WARNING, true)
 		set(value) = prefs.edit { putBoolean(KEY_TRAFFIC_WARNING, value) }
 
+	var isAllFavouritesVisible: Boolean
+		get() = prefs.getBoolean(KEY_ALL_FAVOURITES_VISIBLE, true)
+		set(value) = prefs.edit { putBoolean(KEY_ALL_FAVOURITES_VISIBLE, value) }
+
 	val isUpdateCheckingEnabled: Boolean
 		get() = prefs.getBoolean(KEY_APP_UPDATE_AUTO, true)
 
@@ -63,7 +78,10 @@ class AppSettings(context: Context) {
 		get() = prefs.getLong(KEY_APP_UPDATE, 0L)
 		set(value) = prefs.edit { putLong(KEY_APP_UPDATE, value) }
 
-	val trackerNotifications: Boolean
+	val isTrackerEnabled: Boolean
+		get() = prefs.getBoolean(KEY_TRACKER_ENABLED, true)
+
+	val isTrackerNotificationsEnabled: Boolean
 		get() = prefs.getBoolean(KEY_TRACKER_NOTIFICATIONS, true)
 
 	var notificationSound: Uri
@@ -80,8 +98,11 @@ class AppSettings(context: Context) {
 	val readerAnimation: Boolean
 		get() = prefs.getBoolean(KEY_READER_ANIMATION, false)
 
-	val isPreferRtlReader: Boolean
-		get() = prefs.getBoolean(KEY_READER_PREFER_RTL, false)
+	val defaultReaderMode: ReaderMode
+		get() = prefs.getEnumValue(KEY_READER_MODE, ReaderMode.STANDARD)
+
+	val isReaderModeDetectionEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_MODE_DETECT, true)
 
 	var historyGrouping: Boolean
 		get() = prefs.getBoolean(KEY_HISTORY_GROUPING, true)
@@ -104,10 +125,9 @@ class AppSettings(context: Context) {
 		get() = prefs.getString(KEY_APP_PASSWORD, null)
 		set(value) = prefs.edit { if (value != null) putString(KEY_APP_PASSWORD, value) else remove(KEY_APP_PASSWORD) }
 
-	var sourcesOrder: List<Int>
+	var sourcesOrder: List<String>
 		get() = prefs.getString(KEY_SOURCES_ORDER, null)
 			?.split('|')
-			?.mapNotNull(String::toIntOrNull)
 			.orEmpty()
 		set(value) = prefs.edit {
 			putString(KEY_SOURCES_ORDER, value.joinToString("|"))
@@ -120,6 +140,20 @@ class AppSettings(context: Context) {
 	val isSourcesSelected: Boolean
 		get() = KEY_SOURCES_HIDDEN in prefs
 
+	val newSources: Set<MangaSource>
+		get() {
+			val known = sourcesOrder.toSet()
+			val hidden = hiddenSources
+			return remoteMangaSources
+				.filterNotTo(EnumSet.noneOf(MangaSource::class.java)) { x ->
+					x.name in known || x.name in hidden
+				}
+		}
+
+	fun markKnownSources(sources: Collection<MangaSource>) {
+		sourcesOrder = (sourcesOrder + sources.map { it.name }).distinct()
+	}
+
 	val isPagesNumbersEnabled: Boolean
 		get() = prefs.getBoolean(KEY_PAGES_NUMBERS, false)
 
@@ -141,6 +175,12 @@ class AppSettings(context: Context) {
 			}
 		}
 
+	val isDownloadsSlowdownEnabled: Boolean
+		get() = prefs.getBoolean(KEY_DOWNLOADS_SLOWDOWN, false)
+
+	val downloadsParallelism: Int
+		get() = prefs.getInt(KEY_DOWNLOADS_PARALLELISM, 2)
+
 	val isSuggestionsEnabled: Boolean
 		get() = prefs.getBoolean(KEY_SUGGESTIONS, false)
 
@@ -151,6 +191,9 @@ class AppSettings(context: Context) {
 		get() = prefs.getBoolean(KEY_SEARCH_SINGLE_SOURCE, false)
 		set(value) = prefs.edit { putBoolean(KEY_SEARCH_SINGLE_SOURCE, value) }
 
+	val dnsOverHttps: DoHProvider
+		get() = prefs.getEnumValue(KEY_DOH, DoHProvider.NONE)
+
 	fun isPagesPreloadAllowed(cm: ConnectivityManager): Boolean {
 		return when (prefs.getString(KEY_PAGES_PRELOAD, null)?.toIntOrNull()) {
 			NETWORK_ALWAYS -> true
@@ -178,11 +221,10 @@ class AppSettings(context: Context) {
 	}
 
 	fun getMangaSources(includeHidden: Boolean): List<MangaSource> {
-		val list = MangaSource.values().toMutableList()
-		list.remove(MangaSource.LOCAL)
+		val list = remoteSources.toMutableList()
 		val order = sourcesOrder
 		list.sortBy { x ->
-			val e = order.indexOf(x.ordinal)
+			val e = order.indexOf(x.name)
 			if (e == -1) order.size + x.ordinal else e
 		}
 		if (!includeHidden) {
@@ -224,7 +266,7 @@ class AppSettings(context: Context) {
 		const val KEY_DYNAMIC_THEME = "dynamic_theme"
 		const val KEY_THEME_AMOLED = "amoled_theme"
 		const val KEY_DATE_FORMAT = "date_format"
-		const val KEY_SOURCES_ORDER = "sources_order"
+		const val KEY_SOURCES_ORDER = "sources_order_2"
 		const val KEY_SOURCES_HIDDEN = "sources_hidden"
 		const val KEY_TRAFFIC_WARNING = "traffic_warning"
 		const val KEY_PAGES_CACHE_CLEAR = "pages_cache_clear"
@@ -236,15 +278,19 @@ class AppSettings(context: Context) {
 		const val KEY_REMOTE_SOURCES = "remote_sources"
 		const val KEY_LOCAL_STORAGE = "local_storage"
 		const val KEY_READER_SWITCHERS = "reader_switchers"
+		const val KEY_TRACKER_ENABLED = "tracker_enabled"
 		const val KEY_TRACK_SOURCES = "track_sources"
+		const val KEY_TRACK_CATEGORIES = "track_categories"
 		const val KEY_TRACK_WARNING = "track_warning"
 		const val KEY_TRACKER_NOTIFICATIONS = "tracker_notifications"
 		const val KEY_NOTIFICATIONS_SETTINGS = "notifications_settings"
 		const val KEY_NOTIFICATIONS_SOUND = "notifications_sound"
 		const val KEY_NOTIFICATIONS_VIBRATE = "notifications_vibrate"
 		const val KEY_NOTIFICATIONS_LIGHT = "notifications_light"
+		const val KEY_NOTIFICATIONS_INFO = "tracker_notifications_info"
 		const val KEY_READER_ANIMATION = "reader_animation"
-		const val KEY_READER_PREFER_RTL = "reader_prefer_rtl"
+		const val KEY_READER_MODE = "reader_mode"
+		const val KEY_READER_MODE_DETECT = "reader_mode_detect"
 		const val KEY_APP_PASSWORD = "app_password"
 		const val KEY_PROTECT_APP = "protect_app"
 		const val KEY_APP_VERSION = "app_version"
@@ -261,6 +307,10 @@ class AppSettings(context: Context) {
 		const val KEY_SUGGESTIONS_EXCLUDE_NSFW = "suggestions_exclude_nsfw"
 		const val KEY_SUGGESTIONS_EXCLUDE_TAGS = "suggestions_exclude_tags"
 		const val KEY_SEARCH_SINGLE_SOURCE = "search_single_source"
+		const val KEY_DOWNLOADS_PARALLELISM = "downloads_parallelism"
+		const val KEY_DOWNLOADS_SLOWDOWN = "downloads_slowdown"
+		const val KEY_ALL_FAVOURITES_VISIBLE = "all_favourites_visible"
+		const val KEY_DOH = "doh"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"
@@ -273,12 +323,5 @@ class AppSettings(context: Context) {
 		private const val NETWORK_NEVER = 0
 		private const val NETWORK_ALWAYS = 1
 		private const val NETWORK_NON_METERED = 2
-
-		val isDynamicColorAvailable: Boolean
-			get() = DynamicColors.isDynamicColorAvailable() ||
-				(isSamsung && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
-
-		private val isSamsung
-			get() = Build.MANUFACTURER.equals("samsung", ignoreCase = true)
 	}
-}
+}

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

@@ -0,0 +1,35 @@
+package org.koitharu.kotatsu.core.prefs
+
+import androidx.lifecycle.liveData
+import kotlin.coroutines.CoroutineContext
+import kotlinx.coroutines.flow.flow
+
+fun <T> AppSettings.observeAsFlow(key: String, valueProducer: AppSettings.() -> T) = flow {
+	var lastValue: T = valueProducer()
+	emit(lastValue)
+	observe().collect {
+		if (it == key) {
+			val value = valueProducer()
+			if (value != lastValue) {
+				emit(value)
+			}
+			lastValue = value
+		}
+	}
+}
+
+fun <T> AppSettings.observeAsLiveData(
+	context: CoroutineContext,
+	key: String,
+	valueProducer: AppSettings.() -> T
+) = liveData(context) {
+	emit(valueProducer())
+	observe().collect {
+		if (it == key) {
+			val value = valueProducer()
+			if (value != latestValue) {
+				emit(value)
+			}
+		}
+	}
+}

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

@@ -10,4 +10,4 @@ enum class ReaderMode(val id: Int) {
 
 		fun valueOf(id: Int) = values().firstOrNull { it.id == id }
 	}
-}
+}

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

@@ -1,21 +0,0 @@
-package org.koitharu.kotatsu.core.ui
-
-import android.content.Context
-import android.content.Intent
-import android.util.Log
-import kotlin.system.exitProcess
-
-class AppCrashHandler(private val applicationContext: Context) : Thread.UncaughtExceptionHandler {
-
-	override fun uncaughtException(t: Thread, e: Throwable) {
-		val intent = CrashActivity.newIntent(applicationContext, e)
-		intent.flags = (Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK)
-		try {
-			applicationContext.startActivity(intent)
-		} catch (t: Throwable) {
-			t.printStackTrace()
-		}
-		Log.e("CRASH", e.message, e)
-		exitProcess(1)
-	}
-}

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

@@ -1,83 +0,0 @@
-package org.koitharu.kotatsu.core.ui
-
-import android.app.Activity
-import android.content.ActivityNotFoundException
-import android.content.Context
-import android.content.Intent
-import android.net.Uri
-import android.os.Bundle
-import android.view.Menu
-import android.view.MenuItem
-import android.view.View
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.databinding.ActivityCrashBinding
-import org.koitharu.kotatsu.main.ui.MainActivity
-import org.koitharu.kotatsu.parsers.util.ellipsize
-import org.koitharu.kotatsu.utils.ShareHelper
-
-class CrashActivity : Activity(), View.OnClickListener {
-
-	private lateinit var binding: ActivityCrashBinding
-
-	override fun onCreate(savedInstanceState: Bundle?) {
-		super.onCreate(savedInstanceState)
-		binding = ActivityCrashBinding.inflate(layoutInflater)
-		setContentView(binding.root)
-		binding.textView.text = intent.getStringExtra(Intent.EXTRA_TEXT)
-		binding.buttonClose.setOnClickListener(this)
-		binding.buttonRestart.setOnClickListener(this)
-		binding.buttonReport.setOnClickListener(this)
-	}
-
-	override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-		menuInflater.inflate(R.menu.opt_crash, menu)
-		return super.onCreateOptionsMenu(menu)
-	}
-
-	override fun onOptionsItemSelected(item: MenuItem): Boolean {
-		when (item.itemId) {
-			R.id.action_share -> {
-				ShareHelper(this).shareText(binding.textView.text.toString())
-			}
-			else -> return super.onOptionsItemSelected(item)
-		}
-		return true
-	}
-
-	override fun onClick(v: View) {
-		when (v.id) {
-			R.id.button_close -> {
-				finish()
-			}
-			R.id.button_restart -> {
-				val intent = Intent(applicationContext, MainActivity::class.java)
-				intent.flags = (Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK)
-				startActivity(intent)
-				finish()
-			}
-			R.id.button_report -> {
-				val intent = Intent(Intent.ACTION_VIEW)
-				intent.data = Uri.parse("https://github.com/nv95/Kotatsu/issues")
-				try {
-					startActivity(Intent.createChooser(intent, getString(R.string.report_github)))
-				} catch (_: ActivityNotFoundException) {
-				}
-			}
-		}
-	}
-
-	companion object {
-
-		private const val MAX_TRACE_SIZE = 131071
-
-		fun newIntent(context: Context, error: Throwable): Intent {
-			val crashInfo = error
-				.stackTraceToString()
-				.trimIndent()
-				.ellipsize(MAX_TRACE_SIZE)
-			val intent = Intent(context, CrashActivity::class.java)
-			intent.putExtra(Intent.EXTRA_TEXT, crashInfo)
-			return intent
-		}
-	}
-}

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

@@ -3,6 +3,9 @@ package org.koitharu.kotatsu.core.ui
 import android.content.res.Resources
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.list.ui.model.ListModel
+import org.koitharu.kotatsu.utils.ext.daysDiff
+import org.koitharu.kotatsu.utils.ext.format
+import java.util.*
 
 sealed class DateTimeAgo : ListModel {
 
@@ -72,9 +75,33 @@ sealed class DateTimeAgo : ListModel {
 		override fun hashCode(): Int = days
 	}
 
+	class Absolute(private val date: Date) : DateTimeAgo() {
+
+		private val day = date.daysDiff(0)
+
+		override fun format(resources: Resources): String {
+			return date.format("d MMMM")
+		}
+
+		override fun equals(other: Any?): Boolean {
+			if (this === other) return true
+			if (javaClass != other?.javaClass) return false
+
+			other as Absolute
+
+			if (day != other.day) return false
+
+			return true
+		}
+
+		override fun hashCode(): Int {
+			return day
+		}
+	}
+
 	object LongAgo : DateTimeAgo() {
 		override fun format(resources: Resources): String {
 			return resources.getString(R.string.long_ago)
 		}
 	}
-}
+}

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

@@ -2,11 +2,13 @@ package org.koitharu.kotatsu.core.ui
 
 import coil.ComponentRegistry
 import coil.ImageLoader
-import coil.util.CoilUtils
+import coil.disk.DiskCache
+import kotlinx.coroutines.Dispatchers
 import okhttp3.OkHttpClient
 import org.koin.android.ext.koin.androidContext
 import org.koin.dsl.module
 import org.koitharu.kotatsu.core.parser.FaviconMapper
+import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.CbzFetcher
 
 val uiModule
@@ -14,15 +16,23 @@ val uiModule
 		single {
 			val httpClientFactory = {
 				get<OkHttpClient>().newBuilder()
-					.cache(CoilUtils.createDefaultCache(androidContext()))
+					.cache(null)
+					.build()
+			}
+			val diskCacheFactory = {
+				val context = androidContext()
+				val rootDir = context.externalCacheDir ?: context.cacheDir
+				DiskCache.Builder()
+					.directory(rootDir.resolve(CacheDir.THUMBS.dir))
 					.build()
 			}
 			ImageLoader.Builder(androidContext())
 				.okHttpClient(httpClientFactory)
-				.launchInterceptorChainOnMainThread(false)
-				.componentRegistry(
+				.interceptorDispatcher(Dispatchers.Default)
+				.diskCache(diskCacheFactory)
+				.components(
 					ComponentRegistry.Builder()
-						.add(CbzFetcher())
+						.add(CbzFetcher.Factory())
 						.add(FaviconMapper())
 						.build()
 				).build()

app/src/main/java/org/koitharu/kotatsu/core/zip/ZipOutput.kt

@@ -0,0 +1,118 @@
+package org.koitharu.kotatsu.core.zip
+
+import androidx.annotation.WorkerThread
+import androidx.collection.ArraySet
+import okio.Closeable
+import java.io.File
+import java.io.FileInputStream
+import java.util.zip.Deflater
+import java.util.zip.ZipEntry
+import java.util.zip.ZipFile
+import java.util.zip.ZipOutputStream
+
+class ZipOutput(
+	val file: File,
+	compressionLevel: Int = Deflater.DEFAULT_COMPRESSION,
+) : Closeable {
+
+	private val entryNames = ArraySet<String>()
+	private var isClosed = false
+	private val output = ZipOutputStream(file.outputStream()).apply {
+		setLevel(compressionLevel)
+	}
+
+	@WorkerThread
+	fun put(name: String, file: File): Boolean {
+		return output.appendFile(file, name)
+	}
+
+	@WorkerThread
+	fun put(name: String, content: String): Boolean {
+		return output.appendText(content, name)
+	}
+
+	@WorkerThread
+	fun addDirectory(name: String): Boolean {
+		val entry = if (name.endsWith("/")) {
+			ZipEntry(name)
+		} else {
+			ZipEntry("$name/")
+		}
+		return if (entryNames.add(entry.name)) {
+			output.putNextEntry(entry)
+			output.closeEntry()
+			true
+		} else {
+			false
+		}
+	}
+
+	@WorkerThread
+	fun copyEntryFrom(other: ZipFile, entry: ZipEntry): Boolean {
+		return if (entryNames.add(entry.name)) {
+			val zipEntry = ZipEntry(entry.name)
+			output.putNextEntry(zipEntry)
+			other.getInputStream(entry).use { input ->
+				input.copyTo(output)
+			}
+			output.closeEntry()
+			true
+		} else {
+			false
+		}
+	}
+
+	fun finish() {
+		output.finish()
+		output.flush()
+	}
+
+	override fun close() {
+		if (!isClosed) {
+			output.close()
+			isClosed = true
+		}
+	}
+
+	@WorkerThread
+	private fun ZipOutputStream.appendFile(fileToZip: File, name: String): Boolean {
+		if (fileToZip.isDirectory) {
+			val entry = if (name.endsWith("/")) {
+				ZipEntry(name)
+			} else {
+				ZipEntry("$name/")
+			}
+			if (!entryNames.add(entry.name)) {
+				return false
+			}
+			putNextEntry(entry)
+			closeEntry()
+			fileToZip.listFiles()?.forEach { childFile ->
+				appendFile(childFile, "$name/${childFile.name}")
+			}
+		} else {
+			FileInputStream(fileToZip).use { fis ->
+				if (!entryNames.add(name)) {
+					return false
+				}
+				val zipEntry = ZipEntry(name)
+				putNextEntry(zipEntry)
+				fis.copyTo(this)
+				closeEntry()
+			}
+		}
+		return true
+	}
+
+	@WorkerThread
+	private fun ZipOutputStream.appendText(content: String, name: String): Boolean {
+		if (!entryNames.add(name)) {
+			return false
+		}
+		val zipEntry = ZipEntry(name)
+		putNextEntry(zipEntry)
+		content.byteInputStream().copyTo(this)
+		closeEntry()
+		return true
+	}
+}

app/src/main/java/org/koitharu/kotatsu/details/DetailsModule.kt

@@ -8,6 +8,6 @@ val detailsModule
 	get() = module {
 
 		viewModel { intent ->
-			DetailsViewModel(intent.get(), get(), get(), get(), get(), get(), get())
+			DetailsViewModel(intent.get(), get(), get(), get(), get(), get(), get(), get())
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/details/domain/BranchComparator.kt

@@ -0,0 +1,6 @@
+package org.koitharu.kotatsu.details.domain
+
+class BranchComparator : Comparator<String?> {
+
+	override fun compare(o1: String?, o2: String?): Int = compareValues(o1, o2)
+}

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

@@ -9,9 +9,10 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.Insets
-import androidx.core.view.isGone
+import androidx.core.view.MenuProvider
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
+import com.google.android.material.snackbar.Snackbar
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
@@ -22,10 +23,12 @@ import org.koitharu.kotatsu.details.ui.adapter.ChaptersAdapter
 import org.koitharu.kotatsu.details.ui.adapter.ChaptersSelectionDecoration
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.download.ui.service.DownloadService
+import org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.utils.RecyclerViewScrollCallback
+import org.koitharu.kotatsu.utils.ext.addMenuProvider
 import kotlin.math.roundToInt
 
 class ChaptersFragment :
@@ -42,11 +45,6 @@ class ChaptersFragment :
 	private var actionMode: ActionMode? = null
 	private var selectionDecoration: ChaptersSelectionDecoration? = null
 
-	override fun onCreate(savedInstanceState: Bundle?) {
-		super.onCreate(savedInstanceState)
-		setHasOptionsMenu(true)
-	}
-
 	override fun onInflateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?
@@ -67,10 +65,11 @@ class ChaptersFragment :
 		viewModel.isChaptersReversed.observe(viewLifecycleOwner) {
 			activity?.invalidateOptionsMenu()
 		}
-		viewModel.hasChapters.observe(viewLifecycleOwner) {
-			binding.textViewHolder.isGone = it
+		viewModel.isChaptersEmpty.observe(viewLifecycleOwner) {
+			binding.textViewHolder.isVisible = it
 			activity?.invalidateOptionsMenu()
 		}
+		addMenuProvider(ChaptersMenuProvider())
 	}
 
 	override fun onDestroyView() {
@@ -80,31 +79,6 @@ class ChaptersFragment :
 		super.onDestroyView()
 	}
 
-	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
-		super.onCreateOptionsMenu(menu, inflater)
-		inflater.inflate(R.menu.opt_chapters, menu)
-		val searchMenuItem = menu.findItem(R.id.action_search)
-		searchMenuItem.setOnActionExpandListener(this)
-		val searchView = searchMenuItem.actionView as SearchView
-		searchView.setOnQueryTextListener(this)
-		searchView.setIconifiedByDefault(false)
-		searchView.queryHint = searchMenuItem.title
-	}
-
-	override fun onPrepareOptionsMenu(menu: Menu) {
-		super.onPrepareOptionsMenu(menu)
-		menu.findItem(R.id.action_reversed).isChecked = viewModel.isChaptersReversed.value == true
-		menu.findItem(R.id.action_search).isVisible = viewModel.hasChapters.value == true
-	}
-
-	override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
-		R.id.action_reversed -> {
-			viewModel.setChaptersReversed(!item.isChecked)
-			true
-		}
-		else -> super.onOptionsItemSelected(item)
-	}
-
 	override fun onItemClick(item: ChapterListItem, view: View) {
 		if (selectionDecoration?.checkedItemsCount != 0) {
 			selectionDecoration?.toggleItemChecked(item.chapter.id)
@@ -120,13 +94,7 @@ class ChaptersFragment :
 			(activity as? DetailsActivity)?.showChapterMissingDialog(item.chapter.id)
 			return
 		}
-		val options = ActivityOptions.makeScaleUpAnimation(
-			view,
-			0,
-			0,
-			view.measuredWidth,
-			view.measuredHeight
-		)
+		val options = ActivityOptions.makeScaleUpAnimation(view, 0, 0, view.width, view.height)
 		startActivity(
 			ReaderActivity.newIntent(
 				context = view.context,
@@ -154,11 +122,29 @@ class ChaptersFragment :
 				DownloadService.start(
 					context ?: return false,
 					viewModel.getRemoteManga() ?: viewModel.manga.value ?: return false,
-					selectionDecoration?.checkedItemsIds
+					selectionDecoration?.checkedItemsIds?.toSet()
 				)
 				mode.finish()
 				true
 			}
+			R.id.action_delete -> {
+				val ids = selectionDecoration?.checkedItemsIds
+				val manga = viewModel.manga.value
+				when {
+					ids.isNullOrEmpty() || manga == null -> Unit
+					ids.size == manga.chapters?.size -> viewModel.deleteLocal()
+					else -> {
+						LocalChaptersRemoveService.start(requireContext(), manga, ids)
+						Snackbar.make(
+							binding.recyclerViewChapters,
+							R.string.chapters_will_removed_background,
+							Snackbar.LENGTH_LONG
+						).show()
+					}
+				}
+				mode.finish()
+				true
+			}
 			R.id.action_select_all -> {
 				val ids = chaptersAdapter?.items?.map { it.chapter.id } ?: return false
 				selectionDecoration?.checkAll(ids)
@@ -188,6 +174,9 @@ class ChaptersFragment :
 		menu.findItem(R.id.action_save).isVisible = items.none { x ->
 			x.chapter.source == MangaSource.LOCAL
 		}
+		menu.findItem(R.id.action_delete).isVisible = items.all { x ->
+			x.chapter.source == MangaSource.LOCAL
+		}
 		mode.title = items.size.toString()
 		return true
 	}
@@ -252,4 +241,30 @@ class ChaptersFragment :
 	private fun onLoadingStateChanged(isLoading: Boolean) {
 		binding.progressBar.isVisible = isLoading
 	}
+
+	private inner class ChaptersMenuProvider : MenuProvider {
+
+		override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
+			menuInflater.inflate(R.menu.opt_chapters, menu)
+			val searchMenuItem = menu.findItem(R.id.action_search)
+			searchMenuItem.setOnActionExpandListener(this@ChaptersFragment)
+			val searchView = searchMenuItem.actionView as SearchView
+			searchView.setOnQueryTextListener(this@ChaptersFragment)
+			searchView.setIconifiedByDefault(false)
+			searchView.queryHint = searchMenuItem.title
+		}
+
+		override fun onPrepareMenu(menu: Menu) {
+			menu.findItem(R.id.action_reversed).isChecked = viewModel.isChaptersReversed.value == true
+			menu.findItem(R.id.action_search).isVisible = viewModel.isChaptersEmpty.value == false
+		}
+
+		override fun onMenuItemSelected(menuItem: MenuItem): Boolean = when (menuItem.itemId) {
+			R.id.action_reversed -> {
+				viewModel.setChaptersReversed(!menuItem.isChecked)
+				true
+			}
+			else -> false
+		}
+	}
 }

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

@@ -15,8 +15,6 @@ import android.widget.Toast
 import androidx.appcompat.view.ActionMode
 import androidx.core.content.pm.ShortcutManagerCompat
 import androidx.core.graphics.Insets
-import androidx.core.net.toFile
-import androidx.core.net.toUri
 import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
@@ -41,13 +39,15 @@ import org.koitharu.kotatsu.details.ui.adapter.BranchesAdapter
 import org.koitharu.kotatsu.download.ui.service.DownloadService
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
-import org.koitharu.kotatsu.search.ui.global.GlobalSearchActivity
-import org.koitharu.kotatsu.utils.ShareHelper
+import org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 
-class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediator.TabConfigurationStrategy,
+class DetailsActivity :
+	BaseActivity<ActivityDetailsBinding>(),
+	TabLayoutMediator.TabConfigurationStrategy,
 	AdapterView.OnItemSelectedListener {
 
 	private val viewModel by viewModel<DetailsViewModel> {
@@ -80,6 +80,9 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 		viewModel.newChaptersCount.observe(this, ::onNewChaptersChanged)
 		viewModel.onMangaRemoved.observe(this, ::onMangaRemoved)
 		viewModel.onError.observe(this, ::onError)
+		viewModel.onShowToast.observe(this) {
+			binding.snackbar.show(messageText = getString(it), longDuration = false)
+		}
 
 		registerReceiver(downloadReceiver, IntentFilter(DownloadService.ACTION_DOWNLOAD_COMPLETE))
 	}
@@ -160,49 +163,24 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 	}
 
 	override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
-		R.id.action_share -> {
-			viewModel.manga.value?.let {
-				if (it.source == MangaSource.LOCAL) {
-					ShareHelper(this).shareCbz(listOf(it.url.toUri().toFile()))
-				} else {
-					ShareHelper(this).shareMangaLink(it)
-				}
-			}
-			true
-		}
 		R.id.action_delete -> {
-			viewModel.manga.value?.let { m ->
-				MaterialAlertDialogBuilder(this)
-					.setTitle(R.string.delete_manga)
-					.setMessage(getString(R.string.text_delete_local_manga, m.title))
-					.setPositiveButton(R.string.delete) { _, _ ->
-						viewModel.deleteLocal(m)
-					}
-					.setNegativeButton(android.R.string.cancel, null)
-					.show()
-			}
+			val title = viewModel.manga.value?.title.orEmpty()
+			MaterialAlertDialogBuilder(this)
+				.setTitle(R.string.delete_manga)
+				.setMessage(getString(R.string.text_delete_local_manga, title))
+				.setPositiveButton(R.string.delete) { _, _ ->
+					viewModel.deleteLocal()
+				}
+				.setNegativeButton(android.R.string.cancel, null)
+				.show()
 			true
 		}
 		R.id.action_save -> {
 			viewModel.manga.value?.let {
 				val chaptersCount = it.chapters?.size ?: 0
-				if (chaptersCount > 5) {
-					MaterialAlertDialogBuilder(this)
-						.setTitle(R.string.save_manga)
-						.setMessage(
-							getString(
-								R.string.large_manga_save_confirm,
-								resources.getQuantityString(
-									R.plurals.chapters,
-									chaptersCount,
-									chaptersCount
-								)
-							)
-						)
-						.setNegativeButton(android.R.string.cancel, null)
-						.setPositiveButton(R.string.save) { _, _ ->
-							DownloadService.start(this, it)
-						}.show()
+				val branches = viewModel.branches.value.orEmpty()
+				if (chaptersCount > 5 || branches.size > 1) {
+					showSaveConfirmation(it, chaptersCount, branches)
 				} else {
 					DownloadService.start(this, it)
 				}
@@ -217,7 +195,7 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 		}
 		R.id.action_related -> {
 			viewModel.manga.value?.let {
-				startActivity(GlobalSearchActivity.newIntent(this, it.title))
+				startActivity(MultiSearchActivity.newIntent(this, it.title))
 			}
 			true
 		}
@@ -262,7 +240,7 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 	fun showChapterMissingDialog(chapterId: Long) {
 		val remoteManga = viewModel.getRemoteManga()
 		if (remoteManga == null) {
-			binding.snackbar.show(getString( R.string.chapter_is_missing))
+			binding.snackbar.show(getString(R.string.chapter_is_missing))
 			return
 		}
 		MaterialAlertDialogBuilder(this).apply {
@@ -328,11 +306,41 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 		}
 	}
 
+	private fun showSaveConfirmation(manga: Manga, chaptersCount: Int, branches: List<String?>) {
+		val dialogBuilder = MaterialAlertDialogBuilder(this)
+			.setTitle(R.string.save_manga)
+			.setNegativeButton(android.R.string.cancel, null)
+		if (branches.size > 1) {
+			val items = Array(branches.size) { i -> branches[i].orEmpty() }
+			val currentBranch = viewModel.selectedBranchIndex.value ?: -1
+			val checkedIndices = BooleanArray(branches.size) { i -> i == currentBranch }
+			dialogBuilder.setMultiChoiceItems(items, checkedIndices) { _, i, checked ->
+				checkedIndices[i] = checked
+			}.setPositiveButton(R.string.save) { _, _ ->
+				val selectedBranches = branches.filterIndexedTo(HashSet()) { i, _ -> checkedIndices[i] }
+				val chaptersIds = manga.chapters?.mapNotNullToSet { c ->
+					if (c.branch in selectedBranches) c.id else null
+				}
+				DownloadService.start(this, manga, chaptersIds)
+			}
+		} else {
+			dialogBuilder.setMessage(
+				getString(
+					R.string.large_manga_save_confirm,
+					resources.getQuantityString(R.plurals.chapters, chaptersCount, chaptersCount)
+				)
+			).setPositiveButton(R.string.save) { _, _ ->
+				DownloadService.start(this, manga)
+			}
+		}
+		dialogBuilder.show()
+	}
+
 	companion object {
 
 		fun newIntent(context: Context, manga: Manga): Intent {
 			return Intent(context, DetailsActivity::class.java)
-				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga))
+				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga, withChapters = true))
 		}
 
 		fun newIntent(context: Context, mangaId: Long): Intent {
@@ -340,4 +348,4 @@ class DetailsActivity : BaseActivity<ActivityDetailsBinding>(), TabLayoutMediato
 				.putExtra(MangaIntent.KEY_ID, mangaId)
 		}
 	}
-}
+}

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

@@ -5,10 +5,14 @@ import android.os.Bundle
 import android.text.Spanned
 import android.text.method.LinkMovementMethod
 import android.view.*
+import androidx.appcompat.widget.PopupMenu
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
+import androidx.core.net.toFile
 import androidx.core.net.toUri
 import androidx.core.text.parseAsHtml
+import androidx.core.view.MenuProvider
+import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import coil.ImageLoader
@@ -20,10 +24,14 @@ import org.koin.android.ext.android.inject
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
 import org.koitharu.kotatsu.base.ui.widgets.ChipsView
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.bookmarks.ui.BookmarksAdapter
 import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
-import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesDialog
+import org.koitharu.kotatsu.favourites.ui.categories.select.FavouriteCategoriesBottomSheet
 import org.koitharu.kotatsu.image.ui.ImageActivity
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -34,22 +42,19 @@ import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.search.ui.MangaListActivity
 import org.koitharu.kotatsu.search.ui.SearchActivity
 import org.koitharu.kotatsu.utils.FileSize
+import org.koitharu.kotatsu.utils.ShareHelper
 import org.koitharu.kotatsu.utils.ext.*
 
 class DetailsFragment :
 	BaseFragment<FragmentDetailsBinding>(),
 	View.OnClickListener,
 	View.OnLongClickListener,
-	ChipsView.OnChipClickListener {
+	ChipsView.OnChipClickListener,
+	OnListItemClickListener<Bookmark> {
 
 	private val viewModel by sharedViewModel<DetailsViewModel>()
 	private val coil by inject<ImageLoader>(mode = LazyThreadSafetyMode.NONE)
 
-	override fun onCreate(savedInstanceState: Bundle?) {
-		super.onCreate(savedInstanceState)
-		setHasOptionsMenu(true)
-	}
-
 	override fun onInflateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
@@ -68,11 +73,26 @@ class DetailsFragment :
 		viewModel.isLoading.observe(viewLifecycleOwner, ::onLoadingStateChanged)
 		viewModel.favouriteCategories.observe(viewLifecycleOwner, ::onFavouriteChanged)
 		viewModel.readingHistory.observe(viewLifecycleOwner, ::onHistoryChanged)
+		viewModel.bookmarks.observe(viewLifecycleOwner, ::onBookmarksChanged)
+		addMenuProvider(DetailsMenuProvider())
 	}
 
-	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
-		super.onCreateOptionsMenu(menu, inflater)
-		inflater.inflate(R.menu.opt_details_info, menu)
+	override fun onItemClick(item: Bookmark, view: View) {
+		val options = ActivityOptions.makeScaleUpAnimation(view, 0, 0, view.width, view.height)
+		startActivity(ReaderActivity.newIntent(view.context, item), options.toBundle())
+	}
+
+	override fun onItemLongClick(item: Bookmark, view: View): Boolean {
+		val menu = PopupMenu(view.context, view)
+		menu.inflate(R.menu.popup_bookmark)
+		menu.setOnMenuItemClickListener { menuItem ->
+			when (menuItem.itemId) {
+				R.id.action_remove -> viewModel.removeBookmark(item)
+			}
+			true
+		}
+		menu.show()
+		return true
 	}
 
 	private fun onMangaUpdated(manga: Manga) {
@@ -175,11 +195,25 @@ class DetailsFragment :
 		}
 	}
 
+	private fun onBookmarksChanged(bookmarks: List<Bookmark>) {
+		var adapter = binding.recyclerViewBookmarks.adapter as? BookmarksAdapter
+		binding.groupBookmarks.isGone = bookmarks.isEmpty()
+		if (adapter != null) {
+			adapter.items = bookmarks
+		} else {
+			adapter = BookmarksAdapter(coil, viewLifecycleOwner, this)
+			adapter.items = bookmarks
+			binding.recyclerViewBookmarks.adapter = adapter
+			val spacing = resources.getDimensionPixelOffset(R.dimen.bookmark_list_spacing)
+			binding.recyclerViewBookmarks.addItemDecoration(SpacingItemDecoration(spacing))
+		}
+	}
+
 	override fun onClick(v: View) {
 		val manga = viewModel.manga.value ?: return
 		when (v.id) {
 			R.id.button_favorite -> {
-				FavouriteCategoriesDialog.show(childFragmentManager, manga)
+				FavouriteCategoriesBottomSheet.show(childFragmentManager, manga)
 			}
 			R.id.button_read -> {
 				val chapterId = viewModel.readingHistory.value?.chapterId
@@ -205,13 +239,9 @@ class DetailsFragment :
 				)
 			}
 			R.id.imageView_cover -> {
-				val options = ActivityOptions.makeSceneTransitionAnimation(
-					requireActivity(),
-					binding.imageViewCover,
-					binding.imageViewCover.transitionName,
-				)
+				val options = ActivityOptions.makeScaleUpAnimation(v, 0, 0, v.width, v.height)
 				startActivity(
-					ImageActivity.newIntent(v.context, manga.largeCoverUrl ?: manga.coverUrl),
+					ImageActivity.newIntent(v.context, manga.largeCoverUrl.ifNullOrEmpty { manga.coverUrl }),
 					options.toBundle()
 				)
 			}
@@ -224,14 +254,16 @@ class DetailsFragment :
 				if (viewModel.readingHistory.value == null) {
 					return false
 				}
-				v.showPopupMenu(R.menu.popup_read) {
-					when (it.itemId) {
+				val menu = PopupMenu(v.context, v)
+				menu.inflate(R.menu.popup_read)
+				menu.setOnMenuItemClickListener { menuItem ->
+					when (menuItem.itemId) {
 						R.id.action_read -> {
 							val branch = viewModel.selectedBranchValue
 							startActivity(
 								ReaderActivity.newIntent(
-									context = context ?: return@showPopupMenu false,
-									manga = viewModel.manga.value ?: return@showPopupMenu false,
+									context = context ?: return@setOnMenuItemClickListener false,
+									manga = viewModel.manga.value ?: return@setOnMenuItemClickListener false,
 									state = viewModel.chapters.value?.firstOrNull { c ->
 										c.chapter.branch == branch
 									}?.let { c ->
@@ -244,6 +276,7 @@ class DetailsFragment :
 						else -> false
 					}
 				}
+				menu.show()
 				return true
 			}
 			else -> return false
@@ -274,20 +307,42 @@ class DetailsFragment :
 	}
 
 	private fun loadCover(manga: Manga) {
-		val currentCover = binding.imageViewCover.drawable
+		val imageUrl = manga.largeCoverUrl.ifNullOrEmpty { manga.coverUrl }
+		val lastResult = CoilUtils.result(binding.imageViewCover)
+		if (lastResult?.request?.data == imageUrl) {
+			return
+		}
 		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)
+			.data(imageUrl)
+			.crossfade(true)
+			.referer(manga.publicUrl)
 			.lifecycle(viewLifecycleOwner)
-			.enqueueWith(coil)
+		lastResult?.drawable?.let {
+			request.fallback(it)
+		} ?: request.fallback(R.drawable.ic_placeholder)
+		request.enqueueWith(coil)
+	}
+
+	private inner class DetailsMenuProvider : MenuProvider {
+
+		override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
+			menuInflater.inflate(R.menu.opt_details_info, menu)
+		}
+
+		override fun onMenuItemSelected(menuItem: MenuItem): Boolean = when (menuItem.itemId) {
+			R.id.action_share -> {
+				viewModel.manga.value?.let {
+					val context = requireContext()
+					if (it.source == MangaSource.LOCAL) {
+						ShareHelper(context).shareCbz(listOf(it.url.toUri().toFile()))
+					} else {
+						ShareHelper(context).shareMangaLink(it)
+					}
+				}
+				true
+			}
+			else -> false
+		}
 	}
 }

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

@@ -1,120 +1,113 @@
 package org.koitharu.kotatsu.details.ui
 
-import androidx.core.os.LocaleListCompat
+import androidx.lifecycle.LiveData
 import androidx.lifecycle.asFlow
 import androidx.lifecycle.asLiveData
 import androidx.lifecycle.viewModelScope
+import java.io.IOException
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.plus
-import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.domain.MangaDataRepository
 import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.base.ui.BaseViewModel
-import org.koitharu.kotatsu.core.exceptions.MangaNotFoundException
-import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.bookmarks.domain.Bookmark
+import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
+import org.koitharu.kotatsu.details.domain.BranchComparator
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
-import org.koitharu.kotatsu.details.ui.model.toListItem
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mapToSet
-import org.koitharu.kotatsu.parsers.util.toTitleCase
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import org.koitharu.kotatsu.utils.SingleLiveEvent
-import org.koitharu.kotatsu.utils.ext.iterator
-import java.io.IOException
+import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 
 class DetailsViewModel(
-	private val intent: MangaIntent,
+	intent: MangaIntent,
 	private val historyRepository: HistoryRepository,
-	private val favouritesRepository: FavouritesRepository,
+	favouritesRepository: FavouritesRepository,
 	private val localMangaRepository: LocalMangaRepository,
-	private val trackingRepository: TrackingRepository,
-	private val mangaDataRepository: MangaDataRepository,
+	trackingRepository: TrackingRepository,
+	mangaDataRepository: MangaDataRepository,
+	private val bookmarksRepository: BookmarksRepository,
 	private val settings: AppSettings,
 ) : BaseViewModel() {
 
+	private val delegate = MangaDetailsDelegate(
+		intent = intent,
+		settings = settings,
+		mangaDataRepository = mangaDataRepository,
+		historyRepository = historyRepository,
+		localMangaRepository = localMangaRepository,
+	)
+
 	private var loadingJob: Job
-	private val mangaData = MutableStateFlow(intent.manga)
-	private val selectedBranch = MutableStateFlow<String?>(null)
 
-	private val history = mangaData.mapNotNull { it?.id }
-		.distinctUntilChanged()
-		.flatMapLatest { mangaId ->
-			historyRepository.observeOne(mangaId)
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
+	val onShowToast = SingleLiveEvent<Int>()
 
-	private val favourite = mangaData.mapNotNull { it?.id }
-		.distinctUntilChanged()
-		.flatMapLatest { mangaId ->
-			favouritesRepository.observeCategoriesIds(mangaId).map { it.isNotEmpty() }
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, false)
+	private val history = historyRepository.observeOne(delegate.mangaId)
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
 
-	private val newChapters = mangaData.mapNotNull { it?.id }
-		.distinctUntilChanged()
-		.mapLatest { mangaId ->
-			trackingRepository.getNewChaptersCount(mangaId)
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
-
-	// Remote manga for saved and saved for remote
-	private val relatedManga = MutableStateFlow<Manga?>(null)
-	private val chaptersQuery = MutableStateFlow("")
-
-	private val chaptersReversed = settings.observe()
-		.filter { it == AppSettings.KEY_REVERSE_CHAPTERS }
-		.map { settings.chaptersReverse }
-		.onStart { emit(settings.chaptersReverse) }
+	private val favourite = favouritesRepository.observeCategoriesIds(delegate.mangaId).map { it.isNotEmpty() }
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, false)
 
-	val manga = mangaData.filterNotNull()
-		.asLiveData(viewModelScope.coroutineContext)
-	val favouriteCategories = favourite
-		.asLiveData(viewModelScope.coroutineContext)
-	val newChaptersCount = newChapters
-		.asLiveData(viewModelScope.coroutineContext)
-	val readingHistory = history
-		.asLiveData(viewModelScope.coroutineContext)
-	val isChaptersReversed = chaptersReversed
-		.asLiveData(viewModelScope.coroutineContext)
+	private val newChapters = trackingRepository.observeNewChaptersCount(delegate.mangaId)
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
+
+	private val chaptersQuery = MutableStateFlow("")
+
+	private val chaptersReversed = settings.observeAsFlow(AppSettings.KEY_REVERSE_CHAPTERS) { chaptersReverse }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, false)
+
+	val manga = delegate.manga.filterNotNull().asLiveData(viewModelScope.coroutineContext)
+	val favouriteCategories = favourite.asLiveData(viewModelScope.coroutineContext)
+	val newChaptersCount = newChapters.asLiveData(viewModelScope.coroutineContext)
+	val readingHistory = history.asLiveData(viewModelScope.coroutineContext)
+	val isChaptersReversed = chaptersReversed.asLiveData(viewModelScope.coroutineContext)
+
+	val bookmarks = delegate.manga.flatMapLatest {
+		if (it != null) bookmarksRepository.observeBookmarks(it) else flowOf(emptyList())
+	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default)
 
 	val onMangaRemoved = SingleLiveEvent<Manga>()
 
-	val branches = mangaData.map {
-		it?.chapters?.mapToSet { x -> x.branch }?.sortedBy { x -> x }.orEmpty()
-	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
+	val branches: LiveData<List<String?>> = delegate.manga.map {
+		val chapters = it?.chapters ?: return@map emptyList()
+		chapters.mapToSet { x -> x.branch }.sortedWith(BranchComparator())
+	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default)
 
 	val selectedBranchIndex = combine(
 		branches.asFlow(),
-		selectedBranch
+		delegate.selectedBranch
 	) { branches, selected ->
 		branches.indexOf(selected)
-	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
+	}.asLiveDataDistinct(viewModelScope.coroutineContext + Dispatchers.Default)
 
-	val hasChapters = mangaData.map {
-		!(it?.chapters.isNullOrEmpty())
-	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
+	val isChaptersEmpty: LiveData<Boolean> = combine(
+		delegate.manga,
+		isLoading.asFlow(),
+	) { m, loading ->
+		m != null && m.chapters.isNullOrEmpty() && !loading
+	}.asLiveDataDistinct(viewModelScope.coroutineContext, false)
 
 	val chapters = combine(
 		combine(
-			mangaData.map { it?.chapters.orEmpty() },
-			relatedManga,
-			history.map { it?.chapterId },
+			delegate.manga,
+			delegate.relatedManga,
+			history,
+			delegate.selectedBranch,
 			newChapters,
-			selectedBranch
-		) { chapters, related, currentId, newCount, branch ->
-			val relatedChapters = related?.chapters
-			if (related?.source != MangaSource.LOCAL && !relatedChapters.isNullOrEmpty()) {
-				mapChaptersWithSource(chapters, relatedChapters, currentId, newCount, branch)
-			} else {
-				mapChapters(chapters, relatedChapters, currentId, newCount, branch)
-			}
+		) { manga, related, history, branch, news ->
+			delegate.mapChapters(manga, related, history, news, branch)
 		},
 		chaptersReversed,
 		chaptersQuery,
@@ -123,7 +116,7 @@ class DetailsViewModel(
 	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
 
 	val selectedBranchValue: String?
-		get() = selectedBranch.value
+		get() = delegate.selectedBranch.value
 
 	init {
 		loadingJob = doLoad()
@@ -134,8 +127,15 @@ class DetailsViewModel(
 		loadingJob = doLoad()
 	}
 
-	fun deleteLocal(manga: Manga) {
+	fun deleteLocal() {
+		val m = delegate.manga.value
+		if (m == null) {
+			onShowToast.call(R.string.file_not_found)
+			return
+		}
 		launchLoadingJob(Dispatchers.Default) {
+			val manga = if (m.source == MangaSource.LOCAL) m else localMangaRepository.findSavedManga(m)
+			checkNotNull(manga) { "Cannot find saved manga for ${m.title}" }
 			val original = localMangaRepository.getRemoteManga(manga)
 			localMangaRepository.delete(manga) || throw IOException("Unable to delete file")
 			runCatching {
@@ -145,16 +145,23 @@ class DetailsViewModel(
 		}
 	}
 
+	fun removeBookmark(bookmark: Bookmark) {
+		launchJob {
+			bookmarksRepository.removeBookmark(bookmark.manga.id, bookmark.pageId)
+			onShowToast.call(R.string.bookmark_removed)
+		}
+	}
+
 	fun setChaptersReversed(newValue: Boolean) {
 		settings.chaptersReverse = newValue
 	}
 
 	fun setSelectedBranch(branch: String?) {
-		selectedBranch.value = branch
+		delegate.selectedBranch.value = branch
 	}
 
 	fun getRemoteManga(): Manga? {
-		return relatedManga.value?.takeUnless { it.source == MangaSource.LOCAL }
+		return delegate.relatedManga.value?.takeUnless { it.source == MangaSource.LOCAL }
 	}
 
 	fun performChapterSearch(query: String?) {
@@ -162,7 +169,7 @@ class DetailsViewModel(
 	}
 
 	fun onDownloadComplete(downloadedManga: Manga) {
-		val currentManga = mangaData.value ?: return
+		val currentManga = delegate.manga.value ?: return
 		if (currentManga.id != downloadedManga.id) {
 			return
 		}
@@ -173,135 +180,16 @@ class DetailsViewModel(
 				runCatching {
 					localMangaRepository.getDetails(downloadedManga)
 				}.onSuccess {
-					relatedManga.value = it
+					delegate.relatedManga.value = it
 				}.onFailure {
-					if (BuildConfig.DEBUG) {
-						it.printStackTrace()
-					}
+					it.printStackTraceDebug()
 				}
 			}
 		}
 	}
 
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
-		var manga = mangaDataRepository.resolveIntent(intent)
-			?: throw MangaNotFoundException("Cannot find manga")
-		mangaData.value = manga
-		manga = MangaRepository(manga.source).getDetails(manga)
-		// find default branch
-		val hist = historyRepository.getOne(manga)
-		selectedBranch.value = if (hist != null) {
-			manga.chapters?.find { it.id == hist.chapterId }?.branch
-		} else {
-			predictBranch(manga.chapters)
-		}
-		mangaData.value = manga
-		relatedManga.value = runCatching {
-			if (manga.source == MangaSource.LOCAL) {
-				val m = localMangaRepository.getRemoteManga(manga) ?: return@runCatching null
-				MangaRepository(m.source).getDetails(m)
-			} else {
-				localMangaRepository.findSavedManga(manga)
-			}
-		}.getOrNull()
-	}
-
-	private fun mapChapters(
-		chapters: List<MangaChapter>,
-		downloadedChapters: List<MangaChapter>?,
-		currentId: Long?,
-		newCount: Int,
-		branch: String?,
-	): List<ChapterListItem> {
-		val result = ArrayList<ChapterListItem>(chapters.size)
-		val dateFormat = settings.getDateFormat()
-		val currentIndex = chapters.indexOfFirst { it.id == currentId }
-		val firstNewIndex = chapters.size - newCount
-		val downloadedIds = downloadedChapters?.mapToSet { it.id }
-		for (i in chapters.indices) {
-			val chapter = chapters[i]
-			if (chapter.branch != branch) {
-				continue
-			}
-			result += chapter.toListItem(
-				isCurrent = i == currentIndex,
-				isUnread = i > currentIndex,
-				isNew = i >= firstNewIndex,
-				isMissing = false,
-				isDownloaded = downloadedIds?.contains(chapter.id) == true,
-				dateFormat = dateFormat,
-			)
-		}
-		return result
-	}
-
-	private fun mapChaptersWithSource(
-		chapters: List<MangaChapter>,
-		sourceChapters: List<MangaChapter>,
-		currentId: Long?,
-		newCount: Int,
-		branch: String?,
-	): List<ChapterListItem> {
-		val chaptersMap = chapters.associateByTo(HashMap(chapters.size)) { it.id }
-		val result = ArrayList<ChapterListItem>(sourceChapters.size)
-		val currentIndex = sourceChapters.indexOfFirst { it.id == currentId }
-		val firstNewIndex = sourceChapters.size - newCount
-		val dateFormat = settings.getDateFormat()
-		for (i in sourceChapters.indices) {
-			val chapter = sourceChapters[i]
-			if (chapter.branch != branch) {
-				continue
-			}
-			val localChapter = chaptersMap.remove(chapter.id)
-			result += localChapter?.toListItem(
-				isCurrent = i == currentIndex,
-				isUnread = i > currentIndex,
-				isNew = i >= firstNewIndex,
-				isMissing = false,
-				isDownloaded = false,
-				dateFormat = dateFormat,
-			) ?: chapter.toListItem(
-				isCurrent = i == currentIndex,
-				isUnread = i > currentIndex,
-				isNew = i >= firstNewIndex,
-				isMissing = true,
-				isDownloaded = false,
-				dateFormat = dateFormat,
-			)
-		}
-		if (chaptersMap.isNotEmpty()) { // some chapters on device but not online source
-			result.ensureCapacity(result.size + chaptersMap.size)
-			chaptersMap.values.mapTo(result) {
-				it.toListItem(
-					isCurrent = false,
-					isUnread = true,
-					isNew = false,
-					isMissing = false,
-					isDownloaded = false,
-					dateFormat = dateFormat,
-				)
-			}
-			result.sortBy { it.chapter.number }
-		}
-		return result
-	}
-
-	private fun predictBranch(chapters: List<MangaChapter>?): String? {
-		if (chapters.isNullOrEmpty()) {
-			return null
-		}
-		val groups = chapters.groupBy { it.branch }
-		for (locale in LocaleListCompat.getAdjustedDefault()) {
-			var language = locale.getDisplayLanguage(locale).toTitleCase(locale)
-			if (groups.containsKey(language)) {
-				return language
-			}
-			language = locale.getDisplayName(locale).toTitleCase(locale)
-			if (groups.containsKey(language)) {
-				return language
-			}
-		}
-		return groups.maxByOrNull { it.value.size }?.key
+		delegate.doLoad()
 	}
 
 	private fun List<ChapterListItem>.filterSearch(query: String): List<ChapterListItem> {

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

@@ -0,0 +1,184 @@
+package org.koitharu.kotatsu.details.ui
+
+import androidx.core.os.LocaleListCompat
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import org.koitharu.kotatsu.base.domain.MangaDataRepository
+import org.koitharu.kotatsu.base.domain.MangaIntent
+import org.koitharu.kotatsu.core.exceptions.MangaNotFoundException
+import org.koitharu.kotatsu.core.model.MangaHistory
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.details.ui.model.ChapterListItem
+import org.koitharu.kotatsu.details.ui.model.toListItem
+import org.koitharu.kotatsu.history.domain.HistoryRepository
+import org.koitharu.kotatsu.local.domain.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.koitharu.kotatsu.parsers.util.toTitleCase
+import org.koitharu.kotatsu.utils.ext.iterator
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
+
+class MangaDetailsDelegate(
+	private val intent: MangaIntent,
+	private val settings: AppSettings,
+	private val mangaDataRepository: MangaDataRepository,
+	private val historyRepository: HistoryRepository,
+	private val localMangaRepository: LocalMangaRepository,
+) {
+
+	private val mangaData = MutableStateFlow(intent.manga)
+
+	val selectedBranch = MutableStateFlow<String?>(null)
+	// Remote manga for saved and saved for remote
+	val relatedManga = MutableStateFlow<Manga?>(null)
+	val manga: StateFlow<Manga?>
+		get() = mangaData
+	val mangaId = intent.manga?.id ?: intent.mangaId
+
+	suspend fun doLoad() {
+		var manga = mangaDataRepository.resolveIntent(intent)
+			?: throw MangaNotFoundException("Cannot find manga")
+		mangaData.value = manga
+		manga = MangaRepository(manga.source).getDetails(manga)
+		// find default branch
+		val hist = historyRepository.getOne(manga)
+		selectedBranch.value = if (hist != null) {
+			val currentChapter = manga.chapters?.find { it.id == hist.chapterId }
+			if (currentChapter != null) currentChapter.branch else predictBranch(manga.chapters)
+		} else {
+			predictBranch(manga.chapters)
+		}
+		mangaData.value = manga
+		relatedManga.value = runCatching {
+			if (manga.source == MangaSource.LOCAL) {
+				val m = localMangaRepository.getRemoteManga(manga) ?: return@runCatching null
+				MangaRepository(m.source).getDetails(m)
+			} else {
+				localMangaRepository.findSavedManga(manga)
+			}
+		}.onFailure { error ->
+			error.printStackTraceDebug()
+		}.getOrNull()
+	}
+
+	fun mapChapters(
+		manga: Manga?,
+		related: Manga?,
+		history: MangaHistory?,
+		newCount: Int,
+		branch: String?,
+	): List<ChapterListItem> {
+		val chapters = manga?.chapters ?: return emptyList()
+		val relatedChapters = related?.chapters
+		return if (related?.source != MangaSource.LOCAL && !relatedChapters.isNullOrEmpty()) {
+			mapChaptersWithSource(chapters, relatedChapters, history?.chapterId, newCount, branch)
+		} else {
+			mapChapters(chapters, relatedChapters, history?.chapterId, newCount, branch)
+		}
+	}
+
+	private fun mapChapters(
+		chapters: List<MangaChapter>,
+		downloadedChapters: List<MangaChapter>?,
+		currentId: Long?,
+		newCount: Int,
+		branch: String?,
+	): List<ChapterListItem> {
+		val result = ArrayList<ChapterListItem>(chapters.size)
+		val dateFormat = settings.getDateFormat()
+		val currentIndex = chapters.indexOfFirst { it.id == currentId }
+		val firstNewIndex = chapters.size - newCount
+		val downloadedIds = downloadedChapters?.mapToSet { it.id }
+		for (i in chapters.indices) {
+			val chapter = chapters[i]
+			if (chapter.branch != branch) {
+				continue
+			}
+			result += chapter.toListItem(
+				isCurrent = i == currentIndex,
+				isUnread = i > currentIndex,
+				isNew = i >= firstNewIndex,
+				isMissing = false,
+				isDownloaded = downloadedIds?.contains(chapter.id) == true,
+				dateFormat = dateFormat,
+			)
+		}
+		return result
+	}
+
+	private fun mapChaptersWithSource(
+		chapters: List<MangaChapter>,
+		sourceChapters: List<MangaChapter>,
+		currentId: Long?,
+		newCount: Int,
+		branch: String?,
+	): List<ChapterListItem> {
+		val chaptersMap = chapters.associateByTo(HashMap(chapters.size)) { it.id }
+		val result = ArrayList<ChapterListItem>(sourceChapters.size)
+		val currentIndex = sourceChapters.indexOfFirst { it.id == currentId }
+		val firstNewIndex = sourceChapters.size - newCount
+		val dateFormat = settings.getDateFormat()
+		for (i in sourceChapters.indices) {
+			val chapter = sourceChapters[i]
+			val localChapter = chaptersMap.remove(chapter.id)
+			if (chapter.branch != branch) {
+				continue
+			}
+			result += localChapter?.toListItem(
+				isCurrent = i == currentIndex,
+				isUnread = i > currentIndex,
+				isNew = i >= firstNewIndex,
+				isMissing = false,
+				isDownloaded = false,
+				dateFormat = dateFormat,
+			) ?: chapter.toListItem(
+				isCurrent = i == currentIndex,
+				isUnread = i > currentIndex,
+				isNew = i >= firstNewIndex,
+				isMissing = true,
+				isDownloaded = false,
+				dateFormat = dateFormat,
+			)
+		}
+		if (chaptersMap.isNotEmpty()) { // some chapters on device but not online source
+			result.ensureCapacity(result.size + chaptersMap.size)
+			chaptersMap.values.mapNotNullTo(result) {
+				if (it.branch == branch) {
+					it.toListItem(
+						isCurrent = false,
+						isUnread = true,
+						isNew = false,
+						isMissing = false,
+						isDownloaded = false,
+						dateFormat = dateFormat,
+					)
+				} else {
+					null
+				}
+			}
+			result.sortBy { it.chapter.number }
+		}
+		return result
+	}
+
+	private fun predictBranch(chapters: List<MangaChapter>?): String? {
+		if (chapters.isNullOrEmpty()) {
+			return null
+		}
+		val groups = chapters.groupBy { it.branch }
+		for (locale in LocaleListCompat.getAdjustedDefault()) {
+			var language = locale.getDisplayLanguage(locale).toTitleCase(locale)
+			if (groups.containsKey(language)) {
+				return language
+			}
+			language = locale.getDisplayName(locale).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/ChapterListItemAD.kt

@@ -1,9 +1,9 @@
 package org.koitharu.kotatsu.details.ui.adapter
 
-import android.view.View
 import androidx.core.view.isVisible
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.databinding.ItemChapterBinding
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
@@ -21,11 +21,7 @@ fun chapterListItemAD(
 	{ inflater, parent -> ItemChapterBinding.inflate(inflater, parent, false) }
 ) {
 
-	val eventListener = object : View.OnClickListener, View.OnLongClickListener {
-		override fun onClick(v: View) = clickListener.onItemClick(item, v)
-		override fun onLongClick(v: View) = clickListener.onItemLongClick(item, v)
-	}
-
+	val eventListener = AdapterDelegateClickListenerAdapter(this, clickListener)
 	itemView.setOnClickListener(eventListener)
 	itemView.setOnLongClickListener(eventListener)
 

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

@@ -40,11 +40,10 @@ class ChapterListItem(
 	override fun hashCode(): Int {
 		var result = chapter.hashCode()
 		result = 31 * result + flags
-		result = 31 * result + uploadDate.hashCode()
+		result = 31 * result + (uploadDate?.hashCode() ?: 0)
 		return result
 	}
 
-
 	companion object {
 
 		const val FLAG_UNREAD = 2

app/src/main/java/org/koitharu/kotatsu/download/domain/DownloadManager.kt

@@ -1,7 +1,6 @@
 package org.koitharu.kotatsu.download.domain
 
 import android.content.Context
-import android.graphics.drawable.Drawable
 import android.net.ConnectivityManager
 import android.webkit.MimeTypeMap
 import coil.ImageLoader
@@ -13,25 +12,26 @@ import kotlinx.coroutines.sync.Semaphore
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okio.IOException
-import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.local.data.MangaZip
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.PagesCache
+import org.koitharu.kotatsu.local.domain.CbzMangaOutput
 import org.koitharu.kotatsu.local.domain.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.await
 import org.koitharu.kotatsu.utils.ext.deleteAwait
+import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 import org.koitharu.kotatsu.utils.ext.referer
 import org.koitharu.kotatsu.utils.ext.waitForNetwork
 import org.koitharu.kotatsu.utils.progress.ProgressJob
 import java.io.File
 
 private const val MAX_DOWNLOAD_ATTEMPTS = 3
-private const val MAX_PARALLEL_DOWNLOADS = 2
 private const val DOWNLOAD_ERROR_DELAY = 500L
-private const val TEMP_PAGE_FILE = "page.tmp"
+private const val SLOWDOWN_DELAY = 200L
 
 class DownloadManager(
 	private val coroutineScope: CoroutineScope,
@@ -40,9 +40,10 @@ class DownloadManager(
 	private val okHttp: OkHttpClient,
 	private val cache: PagesCache,
 	private val localMangaRepository: LocalMangaRepository,
+	private val settings: AppSettings,
 ) {
 
-	private val connectivityManager = context.applicationContext.getSystemService(
+	private val connectivityManager = context.getSystemService(
 		Context.CONNECTIVITY_SERVICE
 	) as ConnectivityManager
 	private val coverWidth = context.resources.getDimensionPixelSize(
@@ -51,114 +52,124 @@ class DownloadManager(
 	private val coverHeight = context.resources.getDimensionPixelSize(
 		androidx.core.R.dimen.compat_notification_large_icon_max_height
 	)
-	private val semaphore = Semaphore(MAX_PARALLEL_DOWNLOADS)
+	private val semaphore = Semaphore(settings.downloadsParallelism)
 
 	fun downloadManga(
 		manga: Manga,
-		chaptersIds: Set<Long>?,
+		chaptersIds: LongArray?,
 		startId: Int,
 	): ProgressJob<DownloadState> {
 		val stateFlow = MutableStateFlow<DownloadState>(
 			DownloadState.Queued(startId = startId, manga = manga, cover = null)
 		)
-		val job = downloadMangaImpl(manga, chaptersIds, stateFlow, startId)
+		val job = downloadMangaImpl(manga, chaptersIds?.takeUnless { it.isEmpty() }, stateFlow, startId)
 		return ProgressJob(job, stateFlow)
 	}
 
 	private fun downloadMangaImpl(
 		manga: Manga,
-		chaptersIds: Set<Long>?,
+		chaptersIds: LongArray?,
 		outState: MutableStateFlow<DownloadState>,
 		startId: Int,
 	): Job = coroutineScope.launch(Dispatchers.Default + errorStateHandler(outState)) {
+		@Suppress("NAME_SHADOWING") var manga = manga
+		val chaptersIdsSet = chaptersIds?.toMutableSet()
+		val cover = loadCover(manga)
+		outState.value = DownloadState.Queued(startId, manga, cover)
+		localMangaRepository.lockManga(manga.id)
 		semaphore.acquire()
 		coroutineContext[WakeLockNode]?.acquire()
 		outState.value = DownloadState.Preparing(startId, manga, null)
-		var cover: Drawable? = null
 		val destination = localMangaRepository.getOutputDir()
 		checkNotNull(destination) { context.getString(R.string.cannot_find_available_storage) }
-		var output: MangaZip? = null
+		val tempFileName = "${manga.id}_$startId.tmp"
+		var output: CbzMangaOutput? = null
 		try {
+			if (manga.source == MangaSource.LOCAL) {
+				manga = localMangaRepository.getRemoteManga(manga) ?: error("Cannot obtain remote manga instance")
+			}
 			val repo = MangaRepository(manga.source)
-			cover = runCatching {
-				imageLoader.execute(
-					ImageRequest.Builder(context)
-						.data(manga.coverUrl)
-						.referer(manga.publicUrl)
-						.size(coverWidth, coverHeight)
-						.scale(Scale.FILL)
-						.build()
-				).drawable
-			}.getOrNull()
 			outState.value = DownloadState.Preparing(startId, manga, cover)
-			val data = if (manga.chapters == null) repo.getDetails(manga) else manga
-			output = MangaZip.findInDir(destination, data)
-			output.prepare(data)
+			val data = if (manga.chapters.isNullOrEmpty()) repo.getDetails(manga) else manga
+			output = CbzMangaOutput.get(destination, data)
 			val coverUrl = data.largeCoverUrl ?: data.coverUrl
-			downloadFile(coverUrl, data.publicUrl, destination).let { file ->
+			downloadFile(coverUrl, data.publicUrl, destination, tempFileName).let { file ->
 				output.addCover(file, MimeTypeMap.getFileExtensionFromUrl(coverUrl))
 			}
-			val chapters = if (chaptersIds == null) {
-				data.chapters.orEmpty()
-			} else {
-				data.chapters.orEmpty().filter { x -> x.id in chaptersIds }
+			val chapters = checkNotNull(
+				if (chaptersIdsSet == null) {
+					data.chapters
+				} else {
+					data.chapters?.filter { x -> chaptersIdsSet.remove(x.id) }
+				}
+			) { "Chapters list must not be null" }
+			check(chapters.isNotEmpty()) { "Chapters list must not be empty" }
+			check(chaptersIdsSet.isNullOrEmpty()) {
+				"${chaptersIdsSet?.size} of ${chaptersIds?.size} requested chapters not found in manga"
 			}
 			for ((chapterIndex, chapter) in chapters.withIndex()) {
-				if (chaptersIds == null || chapter.id in chaptersIds) {
-					val pages = repo.getPages(chapter)
-					for ((pageIndex, page) in pages.withIndex()) {
-						failsafe@ do {
-							try {
-								val url = repo.getPageUrl(page)
-								val file =
-									cache[url] ?: downloadFile(url, page.referer, destination)
-								output.addPage(
-									chapter,
-									file,
-									pageIndex,
-									MimeTypeMap.getFileExtensionFromUrl(url)
-								)
-							} catch (e: IOException) {
+				val pages = repo.getPages(chapter)
+				for ((pageIndex, page) in pages.withIndex()) {
+					var retryCounter = 0
+					failsafe@ while (true) {
+						try {
+							val url = repo.getPageUrl(page)
+							val file = cache[url] ?: downloadFile(url, page.referer, destination, tempFileName)
+							output.addPage(
+								chapter = chapter,
+								file = file,
+								pageNumber = pageIndex,
+								ext = MimeTypeMap.getFileExtensionFromUrl(url),
+							)
+							break@failsafe
+						} catch (e: IOException) {
+							if (retryCounter < MAX_DOWNLOAD_ATTEMPTS) {
 								outState.value = DownloadState.WaitingForNetwork(startId, data, cover)
+								delay(DOWNLOAD_ERROR_DELAY)
 								connectivityManager.waitForNetwork()
-								continue@failsafe
+								retryCounter++
+							} else {
+								throw e
 							}
-						} while (false)
+						}
+					}
 
-						outState.value = DownloadState.Progress(
-							startId, data, cover,
-							totalChapters = chapters.size,
-							currentChapter = chapterIndex,
-							totalPages = pages.size,
-							currentPage = pageIndex,
-						)
+					outState.value = DownloadState.Progress(
+						startId, data, cover,
+						totalChapters = chapters.size,
+						currentChapter = chapterIndex,
+						totalPages = pages.size,
+						currentPage = pageIndex,
+					)
+
+					if (settings.isDownloadsSlowdownEnabled) {
+						delay(SLOWDOWN_DELAY)
 					}
 				}
 			}
 			outState.value = DownloadState.PostProcessing(startId, data, cover)
-			if (!output.compress()) {
-				throw RuntimeException("Cannot create target file")
-			}
+			output.mergeWithExisting()
+			output.finalize()
 			val localManga = localMangaRepository.getFromFile(output.file)
 			outState.value = DownloadState.Done(startId, data, cover, localManga)
-		} catch (_: CancellationException) {
+		} catch (e: CancellationException) {
 			outState.value = DownloadState.Cancelled(startId, manga, cover)
+			throw e
 		} catch (e: Throwable) {
-			if (BuildConfig.DEBUG) {
-				e.printStackTrace()
-			}
+			e.printStackTraceDebug()
 			outState.value = DownloadState.Error(startId, manga, cover, e)
 		} finally {
 			withContext(NonCancellable) {
 				output?.cleanup()
-				File(destination, TEMP_PAGE_FILE).deleteAwait()
+				File(destination, tempFileName).deleteAwait()
 			}
 			coroutineContext[WakeLockNode]?.release()
 			semaphore.release()
+			localMangaRepository.unlockManga(manga.id)
 		}
 	}
 
-	private suspend fun downloadFile(url: String, referer: String, destination: File): File {
+	private suspend fun downloadFile(url: String, referer: String, destination: File, tempFileName: String): File {
 		val request = Request.Builder()
 			.url(url)
 			.header(CommonHeaders.REFERER, referer)
@@ -166,35 +177,55 @@ class DownloadManager(
 			.get()
 			.build()
 		val call = okHttp.newCall(request)
-		var attempts = MAX_DOWNLOAD_ATTEMPTS
-		val file = File(destination, TEMP_PAGE_FILE)
-		while (true) {
-			try {
-				val response = call.clone().await()
-				runInterruptible(Dispatchers.IO) {
-					file.outputStream().use { out ->
-						checkNotNull(response.body).byteStream().copyTo(out)
-					}
-				}
-				return file
-			} catch (e: IOException) {
-				attempts--
-				if (attempts <= 0) {
-					throw e
-				} else {
-					delay(DOWNLOAD_ERROR_DELAY)
-				}
+		val file = File(destination, tempFileName)
+		val response = call.clone().await()
+		runInterruptible(Dispatchers.IO) {
+			file.outputStream().use { out ->
+				checkNotNull(response.body).byteStream().copyTo(out)
 			}
 		}
+		return file
 	}
 
-	private fun errorStateHandler(outState: MutableStateFlow<DownloadState>) = CoroutineExceptionHandler { _, throwable ->
-		val prevValue = outState.value
-		outState.value = DownloadState.Error(
-			startId = prevValue.startId,
-			manga = prevValue.manga,
-			cover = prevValue.cover,
-			error = throwable,
+	private fun errorStateHandler(outState: MutableStateFlow<DownloadState>) =
+		CoroutineExceptionHandler { _, throwable ->
+			val prevValue = outState.value
+			outState.value = DownloadState.Error(
+				startId = prevValue.startId,
+				manga = prevValue.manga,
+				cover = prevValue.cover,
+				error = throwable,
+			)
+		}
+
+	private suspend fun loadCover(manga: Manga) = runCatching {
+		imageLoader.execute(
+			ImageRequest.Builder(context)
+				.data(manga.coverUrl)
+				.referer(manga.publicUrl)
+				.size(coverWidth, coverHeight)
+				.scale(Scale.FILL)
+				.build()
+		).drawable
+	}.getOrNull()
+
+	class Factory(
+		private val context: Context,
+		private val imageLoader: ImageLoader,
+		private val okHttp: OkHttpClient,
+		private val cache: PagesCache,
+		private val localMangaRepository: LocalMangaRepository,
+		private val settings: AppSettings,
+	) {
+
+		fun create(coroutineScope: CoroutineScope) = DownloadManager(
+			coroutineScope = coroutineScope,
+			context = context,
+			imageLoader = imageLoader,
+			okHttp = okHttp,
+			cache = cache,
+			localMangaRepository = localMangaRepository,
+			settings = settings,
 		)
 	}
 }

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

@@ -3,10 +3,8 @@ package org.koitharu.kotatsu.download.ui
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
-import android.view.ViewGroup
 import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
-import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
 import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.flow.flatMapLatest
@@ -17,7 +15,7 @@ import org.koin.android.ext.android.get
 import org.koitharu.kotatsu.base.ui.BaseActivity
 import org.koitharu.kotatsu.databinding.ActivityDownloadsBinding
 import org.koitharu.kotatsu.download.ui.service.DownloadService
-import org.koitharu.kotatsu.utils.LifecycleAwareServiceConnection
+import org.koitharu.kotatsu.utils.bindServiceWithLifecycle
 
 class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>() {
 
@@ -28,11 +26,10 @@ class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>() {
 		val adapter = DownloadsAdapter(lifecycleScope, get())
 		binding.recyclerView.setHasFixedSize(true)
 		binding.recyclerView.adapter = adapter
-		LifecycleAwareServiceConnection.bindService(
-			this,
-			this,
-			Intent(this, DownloadService::class.java),
-			0
+		bindServiceWithLifecycle(
+			owner = this,
+			service = Intent(this, DownloadService::class.java),
+			flags = 0,
 		).service.flatMapLatest { binder ->
 			(binder as? DownloadService.DownloadBinder)?.downloads ?: flowOf(null)
 		}.onEach {

app/src/main/java/org/koitharu/kotatsu/download/ui/service/DownloadNotification.kt

@@ -6,12 +6,13 @@ import android.app.NotificationManager
 import android.app.PendingIntent
 import android.content.Context
 import android.os.Build
+import android.text.format.DateUtils
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.toBitmap
+import com.google.android.material.R as materialR
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.ui.CrashActivity
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.download.domain.DownloadState
 import org.koitharu.kotatsu.download.ui.DownloadsActivity
@@ -19,7 +20,6 @@ import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.format
 import org.koitharu.kotatsu.utils.PendingIntentCompat
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
-import com.google.android.material.R as materialR
 
 class DownloadNotification(private val context: Context, startId: Int) {
 
@@ -49,7 +49,7 @@ class DownloadNotification(private val context: Context, startId: Int) {
 		builder.setSilent(true)
 	}
 
-	fun create(state: DownloadState): Notification {
+	fun create(state: DownloadState, timeLeft: Long): Notification {
 		builder.setContentTitle(state.manga.title)
 		builder.setContentText(context.getString(R.string.manga_downloading_))
 		builder.setProgress(1, 0, true)
@@ -58,6 +58,13 @@ class DownloadNotification(private val context: Context, startId: Int) {
 		builder.setStyle(null)
 		builder.setLargeIcon(state.cover?.toBitmap())
 		builder.clearActions()
+		builder.setVisibility(
+			if (state.manga.isNsfw) {
+				NotificationCompat.VISIBILITY_PRIVATE
+			} else {
+				NotificationCompat.VISIBILITY_PUBLIC
+			}
+		)
 		when (state) {
 			is DownloadState.Cancelled -> {
 				builder.setProgress(1, 0, true)
@@ -84,14 +91,6 @@ class DownloadNotification(private val context: Context, startId: Int) {
 				builder.setContentText(message)
 				builder.setAutoCancel(true)
 				builder.setOngoing(false)
-				builder.setContentIntent(
-					PendingIntent.getActivity(
-						context,
-						state.manga.hashCode(),
-						CrashActivity.newIntent(context, state.error),
-						PendingIntent.FLAG_CANCEL_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE
-					)
-				)
 				builder.setCategory(NotificationCompat.CATEGORY_ERROR)
 				builder.setStyle(NotificationCompat.BigTextStyle().bigText(message))
 			}
@@ -117,7 +116,13 @@ class DownloadNotification(private val context: Context, startId: Int) {
 			}
 			is DownloadState.Progress -> {
 				builder.setProgress(state.max, state.progress, false)
-				builder.setContentText((state.percent * 100).format() + "%")
+				if (timeLeft > 0L) {
+					val eta = DateUtils.getRelativeTimeSpanString(timeLeft, 0L, DateUtils.SECOND_IN_MILLIS)
+					builder.setContentText(eta)
+				} else {
+					val percent = (state.percent * 100).format()
+					builder.setContentText(context.getString(R.string.percent_string_pattern, percent))
+				}
 				builder.setCategory(NotificationCompat.CATEGORY_PROGRESS)
 				builder.setStyle(null)
 				builder.setOngoing(true)

app/src/main/java/org/koitharu/kotatsu/download/ui/service/DownloadService.kt

@@ -11,10 +11,7 @@ import android.widget.Toast
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.mapLatest
-import kotlinx.coroutines.flow.transformWhile
+import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.plus
 import org.koin.android.ext.android.get
@@ -24,7 +21,6 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseService
 import org.koitharu.kotatsu.base.ui.dialog.CheckBoxAlertDialog
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
-import org.koitharu.kotatsu.core.model.withoutChapters
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.download.domain.DownloadManager
 import org.koitharu.kotatsu.download.domain.DownloadState
@@ -32,8 +28,8 @@ import org.koitharu.kotatsu.download.domain.WakeLockNode
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.utils.ext.connectivityManager
 import org.koitharu.kotatsu.utils.ext.throttle
-import org.koitharu.kotatsu.utils.ext.toArraySet
 import org.koitharu.kotatsu.utils.progress.ProgressJob
+import org.koitharu.kotatsu.utils.progress.TimeLeftEstimator
 import java.util.concurrent.TimeUnit
 
 class DownloadService : BaseService() {
@@ -48,16 +44,12 @@ class DownloadService : BaseService() {
 
 	override fun onCreate() {
 		super.onCreate()
+		isRunning = true
 		notificationSwitcher = ForegroundNotificationSwitcher(this)
 		val wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager)
 			.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "kotatsu:downloading")
-		downloadManager = DownloadManager(
+		downloadManager = get<DownloadManager.Factory>().create(
 			coroutineScope = lifecycleScope + WakeLockNode(wakeLock, TimeUnit.HOURS.toMillis(1)),
-			context = this,
-			imageLoader = get(),
-			okHttp = get(),
-			cache = get(),
-			localMangaRepository = get(),
 		)
 		DownloadNotification.createChannel(this)
 		registerReceiver(controlReceiver, IntentFilter(ACTION_DOWNLOAD_CANCEL))
@@ -66,7 +58,7 @@ class DownloadService : BaseService() {
 	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
 		super.onStartCommand(intent, flags, startId)
 		val manga = intent?.getParcelableExtra<ParcelableManga>(EXTRA_MANGA)?.manga
-		val chapters = intent?.getLongArrayExtra(EXTRA_CHAPTERS_IDS)?.toArraySet()
+		val chapters = intent?.getLongArrayExtra(EXTRA_CHAPTERS_IDS)
 		return if (manga != null) {
 			jobs[startId] = downloadManga(startId, manga, chapters)
 			jobCount.value = jobs.size
@@ -90,13 +82,14 @@ class DownloadService : BaseService() {
 	override fun onDestroy() {
 		unregisterReceiver(controlReceiver)
 		binder = null
+		isRunning = false
 		super.onDestroy()
 	}
 
 	private fun downloadManga(
 		startId: Int,
 		manga: Manga,
-		chaptersIds: Set<Long>?,
+		chaptersIds: LongArray?,
 	): ProgressJob<DownloadState> {
 		val job = downloadManager.downloadManga(manga, chaptersIds, startId)
 		listenJob(job)
@@ -107,29 +100,41 @@ class DownloadService : BaseService() {
 		lifecycleScope.launch {
 			val startId = job.progressValue.startId
 			val notification = DownloadNotification(this@DownloadService, startId)
-			notificationSwitcher.notify(startId, notification.create(job.progressValue))
-			job.progressAsFlow()
-				.throttle { state -> if (state is DownloadState.Progress) 400L else 0L }
-				.whileActive()
-				.collect { state ->
-					notificationSwitcher.notify(startId, notification.create(state))
+			try {
+				val timeLeftEstimator = TimeLeftEstimator()
+				notificationSwitcher.notify(startId, notification.create(job.progressValue, -1L))
+				job.progressAsFlow()
+					.onEach { state ->
+						if (state is DownloadState.Progress) {
+							timeLeftEstimator.tick(value = state.progress, total = state.max)
+						} else {
+							timeLeftEstimator.emptyTick()
+						}
+					}
+					.throttle { state -> if (state is DownloadState.Progress) 400L else 0L }
+					.whileActive()
+					.collect { state ->
+						val timeLeft = timeLeftEstimator.getEstimatedTimeLeft()
+						notificationSwitcher.notify(startId, notification.create(state, timeLeft))
+					}
+				job.join()
+			} finally {
+				(job.progressValue as? DownloadState.Done)?.let {
+					sendBroadcast(
+						Intent(ACTION_DOWNLOAD_COMPLETE)
+							.putExtra(EXTRA_MANGA, ParcelableManga(it.localManga, withChapters = false))
+					)
 				}
-			job.join()
-			(job.progressValue as? DownloadState.Done)?.let {
-				sendBroadcast(
-					Intent(ACTION_DOWNLOAD_COMPLETE)
-						.putExtra(EXTRA_MANGA, ParcelableManga(it.localManga.withoutChapters()))
+				notificationSwitcher.detach(
+					startId,
+					if (job.isCancelled) {
+						null
+					} else {
+						notification.create(job.progressValue, -1L)
+					}
 				)
+				stopSelf(startId)
 			}
-			notificationSwitcher.detach(
-				startId,
-				if (job.isCancelled) {
-					null
-				} else {
-					notification.create(job.progressValue)
-				}
-			)
-			stopSelf(startId)
 		}
 	}
 
@@ -162,11 +167,12 @@ class DownloadService : BaseService() {
 
 	companion object {
 
-		const val ACTION_DOWNLOAD_COMPLETE =
-			"${BuildConfig.APPLICATION_ID}.action.ACTION_DOWNLOAD_COMPLETE"
+		var isRunning: Boolean = false
+			private set
 
-		private const val ACTION_DOWNLOAD_CANCEL =
-			"${BuildConfig.APPLICATION_ID}.action.ACTION_DOWNLOAD_CANCEL"
+		const val ACTION_DOWNLOAD_COMPLETE = "${BuildConfig.APPLICATION_ID}.action.ACTION_DOWNLOAD_COMPLETE"
+
+		private const val ACTION_DOWNLOAD_CANCEL = "${BuildConfig.APPLICATION_ID}.action.ACTION_DOWNLOAD_CANCEL"
 
 		private const val EXTRA_MANGA = "manga"
 		private const val EXTRA_CHAPTERS_IDS = "chapters_ids"
@@ -178,7 +184,7 @@ class DownloadService : BaseService() {
 			}
 			confirmDataTransfer(context) {
 				val intent = Intent(context, DownloadService::class.java)
-				intent.putExtra(EXTRA_MANGA, ParcelableManga(manga))
+				intent.putExtra(EXTRA_MANGA, ParcelableManga(manga, withChapters = false))
 				if (chaptersIds != null) {
 					intent.putExtra(EXTRA_CHAPTERS_IDS, chaptersIds.toLongArray())
 				}
@@ -194,7 +200,7 @@ class DownloadService : BaseService() {
 			confirmDataTransfer(context) {
 				for (item in manga) {
 					val intent = Intent(context, DownloadService::class.java)
-					intent.putExtra(EXTRA_MANGA, ParcelableManga(item))
+					intent.putExtra(EXTRA_MANGA, ParcelableManga(item, withChapters = false))
 					ContextCompat.startForegroundService(context, intent)
 				}
 			}

app/src/main/java/org/koitharu/kotatsu/download/ui/service/ForegroundNotificationSwitcher.kt

@@ -24,7 +24,7 @@ class ForegroundNotificationSwitcher(
 	@Synchronized
 	fun notify(startId: Int, notification: Notification) {
 		if (notifications.isEmpty()) {
-			StartForegroundRunnable(startId, notification)
+			service.startForeground(startId, notification)
 		} else {
 			notificationManager.notify(startId, notification)
 		}
@@ -46,16 +46,6 @@ class ForegroundNotificationSwitcher(
 		handler.postDelayed(NotifyRunnable(startId, notification), DEFAULT_DELAY)
 	}
 
-	private inner class StartForegroundRunnable(
-		private val startId: Int,
-		private val notification: Notification,
-	) : Runnable {
-
-		override fun run() {
-			service.startForeground(startId, notification)
-		}
-	}
-
 	private inner class NotifyRunnable(
 		private val startId: Int,
 		private val notification: Notification?,