Release 1.2.0

Lazily instantiate some variables in EHSourceHelpers
Add PervEden to clean titles
2020-08-12 15:06:34 -04:00 · 2020-08-12 14:20:32 -04:00 · 2020-08-12 14:04:00 -04:00 · 2020-08-12 13:45:25 -04:00 · 2020-08-12 13:41:03 -04:00 · 2020-08-12 01:19:52 -04:00
207 changed files with 3490 additions and 2822 deletions
@@ -2,7 +2,7 @@

 I acknowledge that:

- I have updated to the latest version of the app (stable is v1.1.1)
+- I have updated to the latest version of the app (stable is v1.2.0)
 - I have updated all extensions
 - If this is an issue with an extension, that I should be opening an issue in https://github.com/inorichi/tachiyomi-extensions

@@ -10,7 +10,7 @@ I acknowledge that:

 ---

-### Device information
+## Device information
 * Tachiyomi version: ?
 * Android version: ?
 * Device: ?
@@ -9,7 +9,7 @@ labels: "bug"

 I acknowledge that:

- I have updated to the latest version of the app (stable is v1.1.1)
+- I have updated to the latest version of the app (stable is v1.2.0)
 - I have updated all extensions
 - If this is an issue with an extension, that I should be opening an issue in https://github.com/inorichi/tachiyomi-extensions

@@ -17,7 +17,7 @@ I acknowledge that:

 ---

-### Device information
+## Device information
 * Tachiyomi version: ?
 * Android version: ?
 * Device: ?
@@ -32,5 +32,5 @@ This should happen.
 ### Actual behavior
 This happened instead.

-### Other details
+## Other details
 Additional details and attachments.
@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Tachiyomi help website
+    url: https://tachiyomi.org/help/
+    about: Common questions are answered here.
+  - name: Tachiyomi extensions GitHub repository
+    url: https://github.com/inorichi/tachiyomi-extensions
+    about: Issues about an extension/source/catalogue should be opened here instead.
@@ -9,7 +9,7 @@ labels: "feature"

 I acknowledge that:

- I have updated to the latest version of the app (stable is v1.1.1)
+- I have updated to the latest version of the app (stable is v1.2.0)
 - I have updated all extensions
 - If this is an issue with an extension, that I should be opening an issue in https://github.com/inorichi/tachiyomi-extensions

@@ -17,8 +17,8 @@ I acknowledge that:

 ---

-### Why/User Benefit/User Problem
+## Why/User Benefit/User Problem
 (explain why this feature should be added)

-### What/Requirements
+## What/Requirements
 (explain how this feature would behave)
@@ -2,7 +2,7 @@
 name: "Extension/source/catalogue issue"
 about: "Do not open an issue here. See https://github.com/inorichi/tachiyomi-extensions"
 title: "THIS ISSUE IS IN THE WRONG REPO; SEE https://github.com/inorichi/tachiyomi-extensions"
-labels: "catalog"
+labels: "catalog, invalid"
 ---

-DO NOT OPEN AN ISSUE IN THIS REPO. SEE https://github.com/inorichi/tachiyomi-extensions
+DO NOT OPEN AN ISSUE IN THIS REPO. SEE https://github.com/inorichi/tachiyomi-extensions
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 21.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="svg8" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 172 172" style="enable-background:new 0 0 172 172;" xml:space="preserve">
+<style type="text/css">
+	.st0{stroke:#CE2828;stroke-width:14;stroke-linecap:round;stroke-linejoin:round;}
+	.st1{fill:#F7D009;}
+	.st2{fill:#E40F85;}
+</style>
+<title>sy_hobo_stds_mine</title>
+<g id="layer1">
+	<path id="path4535" class="st0" d="M85.3,7C129,6.6,164.6,41.7,165,85.3c0.4,43.6-34.7,79.3-78.3,79.7C43.1,165.4,7.4,130.3,7,86.7
+		c0-0.5,0-0.9,0-1.4C7.4,42.2,42.2,7.4,85.3,7z"/>
+	<g id="text4543">
+		<path id="path4545" class="st1" d="M76,64.2c2.9,0,8.4-9.4,8.4-12.5S73.5,40.7,58.2,40.7c-21.4,0-27.4,15-27.4,23.8
+			c0,9.1,2.5,19.6,25.6,26.6c6.1,2,15.6,5.1,15.6,12.8c0,6.5-6.9,9.9-15,9.9c-22.6,0-20.9-21.3-22.6-21.3c-1.1,0-6.4,5.1-6.4,14.2
+			c0,16.7,15.2,24.7,30.1,24.7c22.3,0,31-15,31-27.2c0-9.9-4.5-20.7-26.7-28.1c-5.8-2-16.2-4.8-16.2-12.5c0-6.2,6.8-8.8,12-8.8
+			C69.2,54.8,73.3,64.2,76,64.2L76,64.2z"/>
+		<path id="path4547" class="st2" d="M95.4,128.7c0,1.4,1.1,2.6,2.6,2.6c23.2,0,47-29.8,46-60.7c0-4.5,0.3-7.9-1.7-8.2h-9.4
+			c-1.2,0-3.8-0.3-3.8,1.4s1.2,6.2,1.2,11.3c0,8.2-2.8,21-7.1,21c-2.1,0-12.4-11.6-12.4-24.1c0-3.1,1-6.2,1-7.9c0-2-2.3-1.7-3.7-1.7
+			h-8.6c-4.1,0-4,0-4,4.8c0,29.5,18.3,36.8,18.3,41.4c0,1.1-3.1,5.1-15.3,5.1c-2.8,0-3.1,3.1-3.1,4.3L95.4,128.7z"/>
+	</g>
+</g>
+</svg>
@@ -2,6 +2,8 @@ name: Remote Dispatch Action Initiator
 
 on:
  push:
+   branches: 
+    - 'master'
  repository_dispatch:
 
 jobs:
@@ -0,0 +1,67 @@
+name: Release Builder
+ 
+on:
+  push:
+   branches: 
+    - 'release'
+ 
+jobs:
+  apk:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Get NDK 
+        run: sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;21.0.6113669"
+      - name: Cache Gradle packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+          restore-keys: ${{ runner.os }}-gradle
+      - name: Write google-services.json
+        uses: DamianReeves/write-file-action@v1.0
+        with:
+          # The path to the file to write
+          path: app/google-services.json
+          # The contents of the file
+          contents: ${{ secrets.GOOGLE_SERVICES_TEXT }}
+          # The mode of writing to use: `overwrite`, `append`, or `preserve`.
+          write-mode: overwrite # optional, default is preserve
+      - name: Build Release APK
+        run: bash ./gradlew assembleRelease --stacktrace
+      - name: Sign Android Release
+        uses: r0adkll/sign-android-release@v1
+        with:
+          # The directory to find your release to sign
+          releaseDirectory: app/build/outputs/apk/standard/release
+          # The key used to sign your release in base64 encoded format
+          signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+          # The key alias
+          alias: ${{ secrets.ALIAS }}
+          # The password to the keystore
+          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+          # The password for the key
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.run_number }}
+          release_name: TachiyomiSY
+          draft: true
+          prerelease: false
+      - name: Upload Release APK
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ${{ env.SIGNED_RELEASE_FILE }}
+          asset_name: TachiyomiSY.apk
+          asset_content_type: application/vnd.android.package-archive
@@ -1,6 +1,6 @@
 | Preview Builds | Release Builds | Tachiyomi Support Server |
 |-------|----------|----------|
-| [![Preview](https://github.com/jobobby04/TachiyomiSYPreview/workflows/Remote%20Dispatch%20Build%20App/badge.svg)](https://github.com/jobobby04/TachiyomiSYPreview/releases) | [![stable release](https://img.shields.io/github/release/jobobby04/tachiyomisy.svg?maxAge=3600&label=download)](https://github.com/jobobby04/tachiyomisy/releases) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi) |
+| [![Preview](https://github.com/jobobby04/TachiyomiSYPreview/workflows/Remote%20Dispatch%20Build%20App/badge.svg)](https://github.com/jobobby04/TachiyomiSYPreview/releases) | [![stable release](https://img.shields.io/github/release/jobobby04/tachiyomisy.svg?maxAge=3600&label=download)](https://github.com/jobobby04/tachiyomisy/releases/latest) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi) |


 # ![app icon](./.github/readme-images/app-icon.png)TachiyomiSY
@@ -22,7 +22,6 @@ Features of Tachiyomi(original) include:

 Features of TachiyomiSY include:
 * Uses the new Tachiyomi Stable UI
-* Custom manga page, all your needs, such as info and chapters, in front of your face
 * Latest tab, store up to 5 sources where you can easily view the latest manga by viewing the tab
 * Hentai features enable/disable, in advanced settings
 * Automatic webtoon detection, allowing the reader to switch to webtoon mode automatically when viewing one
@@ -37,20 +36,25 @@ Features of TachiyomiSY include:
 * Manga info edit
 * Enhanced views for internal and integrated sources
 * Enhanced usability for internal and delegated sources
+* Dynamic Categories, view the library in multiple ways
+* Smart background for reading modes like LTR or Vertical, changes the backgorund based on the page color
+* Force disable webtoon zoom
+* Continue reading button in library
+* Quick clean titles

 Inherited from TachiyomiAZ or TachiyomiEH and are included and possibly modified in TachiyomiSY
 * Source migration, migrate all your manga from one source to another
 * Custom hentai sources:
 * * E-Hentai/ExHentai
-* * nHentai
-* * Hitomi.la
-* * 8Muses
-* * Perv Eden
 * Additional features for some extensions, features include custom description, opening in app, batch add to library:
+* * 8Muses (EroMuse)
+* * HBrowse
+* * HentaiCafe (Foolside)
+* * Hitomi.la
+* * NHentai
+* * PervEden (EN and IT)
 * * Puruin
 * * Tsumino
-* * HentaiCafe (Foolside)
-* * HBrowse
 * Saving searches
 * Autoscroll
 * Page preload customization
@@ -64,10 +68,11 @@ Inherited from TachiyomiAZ or TachiyomiEH and are included and possibly modified
 * Click tag for local search, long click tag for global search
 * Merge multiple of the same manga from different sources
 * Drag and drop library sorting
+* Library search engine, includes exclude, quotes as absolute, and a bunch of other ways to search


 ## Download
-Get the app from our [releases page](https://github.com/jobobby04/tachiyomisy/releases).
+Get the app from our [releases page](https://github.com/jobobby04/tachiyomisy/releases/latest).

 If you want to try new features before they get to the stable release, you can download the preview version [here](https://github.com/jobobby04/tachiyomisypreview/releases).

@@ -42,8 +42,8 @@ android {
        minSdkVersion AndroidConfig.minSdk
        targetSdkVersion AndroidConfig.targetSdk
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        versionCode 4
-        versionName "1.1.1"
+        versionCode 6
+        versionName "1.2.0"

        buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
        buildConfigField "String", "COMMIT_SHA", "\"${getGitSha()}\""
@@ -146,19 +146,19 @@ dependencies {
    implementation 'androidx.cardview:cardview:1.0.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-rc1'
    implementation 'androidx.coordinatorlayout:coordinatorlayout:1.1.0'
+    implementation 'androidx.core:core-ktx:1.4.0-alpha01'
    implementation 'androidx.multidex:multidex:2.0.1'
    implementation 'androidx.preference:preference:1.1.1'
-    implementation 'androidx.recyclerview:recyclerview:1.2.0-alpha04'
-    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-    implementation 'androidx.webkit:webkit:1.3.0-rc01'
+    implementation 'androidx.recyclerview:recyclerview:1.2.0-alpha05'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'

-    final lifecycle_version = '2.3.0-alpha05'
+    final lifecycle_version = '2.3.0-alpha06'
    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
    implementation "androidx.lifecycle:lifecycle-process:$lifecycle_version"
    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"

    // Job scheduling
-    final work_version = '2.4.0-rc01'
+    final work_version = '2.4.0'
    implementation "androidx.work:work-runtime:$work_version"
    implementation "androidx.work:work-runtime-ktx:$work_version"

@@ -174,11 +174,11 @@ dependencies {
    implementation 'com.github.pwittchen:reactivenetwork:0.13.0'

    // Network client
-    final okhttp_version = '4.7.2'
+    final okhttp_version = '4.8.1'
    implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
    implementation "com.squareup.okhttp3:logging-interceptor:$okhttp_version"
    implementation "com.squareup.okhttp3:okhttp-dnsoverhttps:$okhttp_version"
-    implementation 'com.squareup.okio:okio:2.6.0'
+    implementation 'com.squareup.okio:okio:2.7.0'

    // TLS 1.3 support for Android < 10
    implementation 'org.conscrypt:conscrypt-android:2.4.0'
@@ -214,7 +214,7 @@ dependencies {
    implementation 'androidx.sqlite:sqlite:2.1.0'
    implementation 'com.github.inorichi.storio:storio-common:8be19de@aar'
    implementation 'com.github.inorichi.storio:storio-sqlite:8be19de@aar'
-    implementation 'io.requery:sqlite-android:3.31.0'
+    implementation 'io.requery:sqlite-android:3.32.2'

    // Preferences
    implementation 'com.github.tfcporciuncula:flow-preferences:1.3.0'
@@ -239,8 +239,7 @@ dependencies {
    implementation 'com.jakewharton.timber:timber:4.7.1'

    // Crash reports
-    //final acra_version = '5.5.0'
-    //implementation "ch.acra:acra-http:$acra_version"
+    //implementation 'ch.acra:acra-http:5.7.0'

    // Sort
    implementation 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
@@ -278,7 +277,7 @@ dependencies {
    implementation "io.github.reactivecircus.flowbinding:flowbinding-viewpager:$flowbinding_version"

    // Licenses
-    final aboutlibraries_version = '8.2.0'
+    final aboutlibraries_version = '8.3.0'
    implementation "com.mikepenz:aboutlibraries-core:$aboutlibraries_version"
    implementation "com.mikepenz:aboutlibraries:$aboutlibraries_version"

@@ -303,10 +302,10 @@ dependencies {
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-rx2:$coroutines_version"

    // For detecting memory leaks; see https://square.github.io/leakcanary/
-//    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.2'
+//    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.4'

    // Debug tool; see https://fbflipper.com/
-//    debugImplementation 'com.facebook.flipper:flipper:0.49.0'
+//    debugImplementation 'com.facebook.flipper:flipper:0.50.0'
 //    debugImplementation 'com.facebook.soloader:soloader:0.9.0'
    
    // Text distance (EH)
@@ -37,6 +37,14 @@
      public *;
 }

+# Hitomi extension crash fix
+-keepclassmembers class rx.Single {
+      *** onSubscribe;
+      final *;
+      protected *;
+      public *;
+}
+
 # RxJava 1.1.0
 -dontwarn sun.misc.**

@@ -77,6 +77,7 @@ open class App : Application(), LifecycleObserver {
        Injekt.importModule(AppModule(this))

        setupNotificationChannels()
+        Realm.init(this)
        GlobalScope.launch { deleteOldMetadataRealm() } // Delete old metadata DB (EH)
        // Reprint.initialize(this) //Setup fingerprint (EH)
        if ((BuildConfig.DEBUG || BuildConfig.BUILD_TYPE == "releaseTest") && DebugToggles.ENABLE_DEBUG_OVERLAY.enabled) {
@@ -133,7 +134,6 @@ open class App : Application(), LifecycleObserver {

    // EXH
    private fun deleteOldMetadataRealm() {
-        Realm.init(this)
        val config = RealmConfiguration.Builder()
            .name("gallery-metadata.realm")
            .schemaVersion(3)
@@ -0,0 +1,5 @@
+package eu.kanade.tachiyomi.annoations
+
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.CLASS)
+annotation class Nsfw
@@ -7,16 +7,22 @@ import com.google.gson.JsonParser
 import com.google.gson.stream.JsonReader
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.backup.models.Backup
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.SourceManager
+import uy.kohesive.injekt.injectLazy

 object BackupRestoreValidator {

+    private val sourceManager: SourceManager by injectLazy()
+    private val trackManager: TrackManager by injectLazy()
+
    /**
     * Checks for critical backup file data.
     *
     * @throws Exception if version or manga cannot be found.
-     * @return List of required sources.
+     * @return List of missing sources or missing trackers.
     */
-    fun validate(context: Context, uri: Uri): Map<Long, String> {
+    fun validate(context: Context, uri: Uri): Results {
        val reader = JsonReader(context.contentResolver.openInputStream(uri)!!.bufferedReader())
        val json = JsonParser.parseReader(reader).asJsonObject

@@ -26,11 +32,29 @@ object BackupRestoreValidator {
            throw Exception(context.getString(R.string.invalid_backup_file_missing_data))
        }

-        if (mangasJson.asJsonArray.size() == 0) {
+        val mangas = mangasJson.asJsonArray
+        if (mangas.size() == 0) {
            throw Exception(context.getString(R.string.invalid_backup_file_missing_manga))
        }

-        return getSourceMapping(json)
+        val sources = getSourceMapping(json)
+        val missingSources = sources
+            .filter { sourceManager.get(it.key) == null }
+            .values
+            .sorted()
+
+        val trackers = mangas
+            .filter { it.asJsonObject.has("track") }
+            .flatMap { it.asJsonObject["track"].asJsonArray }
+            .map { it.asJsonObject["s"].asInt }
+            .distinct()
+        val missingTrackers = trackers
+            .mapNotNull { trackManager.getService(it) }
+            .filter { !it.isLogged }
+            .map { it.name }
+            .sorted()
+
+        return Results(missingSources, missingTrackers)
    }

    fun getSourceMapping(json: JsonObject): Map<Long, String> {
@@ -43,4 +67,6 @@ object BackupRestoreValidator {
            }
            .toMap()
    }
+
+    data class Results(val missingSources: List<String>, val missingTrackers: List<String>)
 }
@@ -32,6 +32,12 @@ interface Manga : SManga {
        return genre?.split(", ")?.map { it.trim() }
    }

+    // SY -->
+    fun getOriginalGenres(): List<String>? {
+        return originalGenre?.split(", ")?.map { it.trim() }
+    }
+    // SY <--
+
    private fun setFlags(flag: Int, mask: Int) {
        chapter_flags = chapter_flags and mask.inv() or (flag and mask)
    }
@@ -200,6 +200,18 @@ class DownloadCache(
        }
    }

+    // SY -->
+    fun removeFolders(folders: List<String>, manga: Manga) {
+        val sourceDir = rootDir.files[manga.source] ?: return
+        val mangaDir = sourceDir.files[provider.getMangaDirName(manga)] ?: return
+        folders.forEach { chapter ->
+            if (chapter in mangaDir.files) {
+                mangaDir.files -= chapter
+            }
+        }
+    }
+    // SY <--
+
    /**
     * Removes a list of chapters that have been deleted from this cache.
     *
@@ -8,6 +8,7 @@ import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.download.model.DownloadQueue
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.Page
@@ -24,10 +25,8 @@ import uy.kohesive.injekt.injectLazy
 */
 class DownloadManager(/* SY private */ val context: Context) {

-    /**
-     * The sources manager.
-     */
-    private val sourceManager by injectLazy<SourceManager>()
+    private val sourceManager: SourceManager by injectLazy()
+    private val preferences: PreferencesHelper by injectLazy()

    /**
     * Downloads provider, used to retrieve the folders where the chapters are or should be stored.
@@ -201,14 +200,47 @@ class DownloadManager(/* SY private */ val context: Context) {
     */
    fun deleteChapters(chapters: List<Chapter>, manga: Manga, source: Source) {
        queue.remove(chapters)
-        val chapterDirs = provider.findChapterDirs(chapters, manga, source)
+
+        val filteredChapters = if (!preferences.removeBookmarkedChapters()) {
+            chapters.filterNot { it.bookmark }
+        } else {
+            chapters
+        }
+
+        val chapterDirs = provider.findChapterDirs(filteredChapters, manga, source)
        chapterDirs.forEach { it.delete() }
-        cache.removeChapters(chapters, manga)
+        cache.removeChapters(filteredChapters, manga)
        if (cache.getDownloadCount(manga) == 0) { // Delete manga directory if empty
            chapterDirs.firstOrNull()?.parentFile?.delete()
        }
    }

+    // SY -->
+    /**
+     * Deletes the directories of chapters that were read or have no match
+     *
+     * @param chapters the list of chapters to delete.
+     * @param manga the manga of the chapters.
+     * @param source the source of the chapters.
+     */
+    fun cleanupChapters(allChapters: List<Chapter>, manga: Manga, source: Source): Int {
+        var cleaned = 0
+        val filesWithNoChapter = provider.findUnmatchedChapterDirs(allChapters, manga, source)
+        cleaned += filesWithNoChapter.size
+        cache.removeFolders(filesWithNoChapter.mapNotNull { it.name }, manga)
+        filesWithNoChapter.forEach { it.delete() }
+        val readChapters = allChapters.filter { it.read }
+        val readChapterDirs = provider.findChapterDirs(readChapters, manga, source)
+        readChapterDirs.forEach { it.delete() }
+        cleaned += readChapterDirs.size
+        cache.removeChapters(readChapters, manga)
+        if (cache.getDownloadCount(manga) == 0) {
+            provider.findChapterDirs(allChapters, manga, source).firstOrNull()?.parentFile?.delete() // Delete manga directory if empty
+        }
+        return cleaned
+    }
+    // SY <--
+
    /**
     * Deletes the directory of a downloaded manga.
     *
@@ -79,7 +79,7 @@ internal class DownloadNotifier(private val context: Context) {
     * Dismiss the downloader's notification. Downloader error notifications use a different id, so
     * those can only be dismissed by the user.
     */
-    fun dismiss() {
+    fun dismissProgress() {
        context.notificationManager.cancel(Notifications.ID_DOWNLOAD_CHAPTER_PROGRESS)
    }

@@ -109,6 +109,32 @@ class DownloadProvider(private val context: Context) {
        }
    }

+    // SY -->
+    /**
+     * Returns a list of all files in manga directory
+     *
+     * @param chapters the chapters to query.
+     * @param manga the manga of the chapter.
+     * @param source the source of the chapter.
+     */
+    fun findUnmatchedChapterDirs(
+        chapters: List<Chapter>,
+        manga: Manga,
+        source: Source
+    ): List<UniFile> {
+        val mangaDir = findMangaDir(manga, source) ?: return emptyList()
+        return mangaDir.listFiles()!!.asList().filter {
+            (
+                chapters.find { chp ->
+                    getValidChapterDirNames(chp).any { dir ->
+                        mangaDir.findFile(dir) != null
+                    }
+                } == null
+                ) || it.name?.endsWith("_tmp") == true
+        }
+    }
+    // SY <--
+
    /**
     * Returns the download directory name for a source.
     *
@@ -139,6 +139,7 @@ class Downloader(
                notifier.paused = false
                notifier.onPaused()
            } else {
+                notifier.dismissProgress()
                notifier.onComplete()
            }
        }
@@ -170,7 +171,7 @@ class Downloader(
                .forEach { it.status = Download.NOT_DOWNLOADED }
        }
        queue.clear()
-        notifier.dismiss()
+        notifier.dismissProgress()
    }

    /**
@@ -266,15 +267,16 @@ class Downloader(
     * @param download the chapter to be downloaded.
     */
    private fun downloadChapter(download: Download): Observable<Download> = Observable.defer {
-        val chapterDirname = provider.getChapterDirName(download.chapter)
        val mangaDir = provider.getMangaDir(download.manga, download.source)

-        if (DiskUtil.getAvailableStorageSpace(mangaDir) < MIN_DISK_SPACE) {
+        val availSpace = DiskUtil.getAvailableStorageSpace(mangaDir)
+        if (availSpace != -1L && availSpace < MIN_DISK_SPACE) {
            download.status = Download.ERROR
            notifier.onError(context.getString(R.string.download_insufficient_space), download.chapter.name)
            return@defer Observable.just(download)
        }

+        val chapterDirname = provider.getChapterDirName(download.chapter)
        val tmpDir = mangaDir.createDirectory(chapterDirname + TMP_DIR_SUFFIX)

        val pageListObservable = if (download.pages == null) {
@@ -155,7 +155,7 @@ class NotificationReceiver : BroadcastReceiver() {
     * @param mangaId id of manga
     * @param chapterId id of chapter
     */
-    internal fun openChapter(context: Context, mangaId: Long, chapterId: Long) {
+    private fun openChapter(context: Context, mangaId: Long, chapterId: Long) {
        val db = DatabaseHelper(context)
        val manga = db.getManga(mangaId).executeAsBlocking()
        val chapter = db.getChapter(chapterId).executeAsBlocking()
@@ -97,6 +97,8 @@ object PreferenceKeys {

    const val removeAfterMarkedAsRead = "pref_remove_after_marked_as_read_key"

+    const val removeBookmarkedChapters = "pref_remove_bookmarked"
+
    const val libraryUpdateInterval = "pref_library_update_interval_key"

    const val libraryUpdateRestriction = "library_update_restriction"
@@ -121,6 +123,8 @@ object PreferenceKeys {

    const val automaticExtUpdates = "automatic_ext_updates"

+    const val allowNsfwSource = "allow_nsfw_source"
+
    const val startScreen = "start_screen"

    const val useBiometricLock = "use_biometric_lock"
@@ -183,8 +187,6 @@ object PreferenceKeys {

    const val eh_lock_manually = "eh_lock_manually"

-    const val eh_nh_useHighQualityThumbs = "eh_nh_hq_thumbs"
-
    const val eh_showSyncIntro = "eh_show_sync_intro"

    const val eh_readOnlySync = "eh_sync_read_only"
@@ -237,8 +239,6 @@ object PreferenceKeys {

    const val eh_aggressivePageLoading = "eh_aggressive_page_loading"

-    const val eh_hl_useHighQualityThumbs = "eh_hl_hq_thumbs"
-
    const val eh_preload_size = "eh_preload_size"

    const val eh_tag_filtering_value = "eh_tag_filtering_value"
@@ -273,7 +273,11 @@ object PreferenceKeys {

    const val recommendsInOverflow = "recommends_in_overflow"

-    const val hitomiAlwaysWebp = "hitomi_always_webp"
-
    const val enhancedEHentaiView = "enhanced_e_hentai_view"
+
+    const val webtoonEnableZoomOut = "webtoon_enable_zoom_out"
+
+    const val startReadingButton = "start_reading_button"
+
+    const val groupLibraryBy = "group_library_by"
 }
@@ -37,4 +37,10 @@ object PreferenceValues {
        VERTICAL,
        BOTH
    }
+
+    enum class NsfwAllowance {
+        ALLOWED,
+        PARTIAL,
+        BLOCKED
+    }
 }
@@ -10,6 +10,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferenceKeys as Keys
 import eu.kanade.tachiyomi.data.preference.PreferenceValues as Values
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.DisplayMode
+import eu.kanade.tachiyomi.data.preference.PreferenceValues.NsfwAllowance
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.anilist.Anilist
 import java.io.File
@@ -113,7 +114,7 @@ class PreferencesHelper(val context: Context) {

    fun zoomStart() = flowPrefs.getInt(Keys.zoomStart, 1)

-    fun readerTheme() = flowPrefs.getInt(Keys.readerTheme, 1)
+    fun readerTheme() = flowPrefs.getInt(Keys.readerTheme, 3)

    fun alwaysShowChapterTransition() = flowPrefs.getBoolean(Keys.alwaysShowChapterTransition, true)

@@ -187,6 +188,8 @@ class PreferencesHelper(val context: Context) {

    fun removeAfterMarkedAsRead() = prefs.getBoolean(Keys.removeAfterMarkedAsRead, false)

+    fun removeBookmarkedChapters() = prefs.getBoolean(Keys.removeBookmarkedChapters, false)
+
    fun libraryUpdateInterval() = flowPrefs.getInt(Keys.libraryUpdateInterval, 24)

    fun libraryUpdateRestriction() = prefs.getStringSet(Keys.libraryUpdateRestriction, setOf("wifi"))
@@ -222,6 +225,8 @@ class PreferencesHelper(val context: Context) {

    fun automaticExtUpdates() = flowPrefs.getBoolean(Keys.automaticExtUpdates, true)

+    fun allowNsfwSource() = flowPrefs.getEnum(Keys.allowNsfwSource, NsfwAllowance.ALLOWED)
+
    fun extensionUpdatesCount() = flowPrefs.getInt("ext_updates_count", 0)

    fun lastExtCheck() = flowPrefs.getLong("last_ext_check", 0)
@@ -307,8 +312,6 @@ class PreferencesHelper(val context: Context) {
    fun eh_sessionCookie() = flowPrefs.getString(Keys.eh_sessionCookie, "")
    fun eh_hathPerksCookies() = flowPrefs.getString(Keys.eh_hathPerksCookie, "")

-    fun eh_nh_useHighQualityThumbs() = flowPrefs.getBoolean(Keys.eh_nh_useHighQualityThumbs, false)
-
    fun eh_showSyncIntro() = flowPrefs.getBoolean(Keys.eh_showSyncIntro, true)

    fun eh_readOnlySync() = flowPrefs.getBoolean(Keys.eh_readOnlySync, false)
@@ -351,8 +354,6 @@ class PreferencesHelper(val context: Context) {

    fun eh_aggressivePageLoading() = flowPrefs.getBoolean(Keys.eh_aggressivePageLoading, false)

-    fun eh_hl_useHighQualityThumbs() = flowPrefs.getBoolean(Keys.eh_hl_useHighQualityThumbs, false)
-
    fun eh_preload_size() = flowPrefs.getInt(Keys.eh_preload_size, 4)

    fun eh_useAutoWebtoon() = flowPrefs.getBoolean(Keys.eh_use_auto_webtoon, true)
@@ -377,7 +378,11 @@ class PreferencesHelper(val context: Context) {

    fun recommendsInOverflow() = flowPrefs.getBoolean(Keys.recommendsInOverflow, false)

-    fun hitomiAlwaysWebp() = flowPrefs.getBoolean(Keys.hitomiAlwaysWebp, true)
-
    fun enhancedEHentaiView() = flowPrefs.getBoolean(Keys.enhancedEHentaiView, true)
+
+    fun webtoonEnableZoomOut() = flowPrefs.getBoolean(Keys.webtoonEnableZoomOut, false)
+
+    fun startReadingButton() = flowPrefs.getBoolean(Keys.startReadingButton, true)
+
+    fun groupLibraryBy() = flowPrefs.getInt(Keys.groupLibraryBy, 0)
 }
@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.data.preference

 import android.content.SharedPreferences
+import androidx.core.content.edit
 import androidx.preference.PreferenceDataStore

 class SharedPreferencesDataStore(private val prefs: SharedPreferences) : PreferenceDataStore() {
@@ -10,7 +11,9 @@ class SharedPreferencesDataStore(private val prefs: SharedPreferences) : Prefere
    }

    override fun putBoolean(key: String?, value: Boolean) {
-        prefs.edit().putBoolean(key, value).apply()
+        prefs.edit {
+            putBoolean(key, value)
+        }
    }

    override fun getInt(key: String?, defValue: Int): Int {
@@ -18,7 +21,9 @@ class SharedPreferencesDataStore(private val prefs: SharedPreferences) : Prefere
    }

    override fun putInt(key: String?, value: Int) {
-        prefs.edit().putInt(key, value).apply()
+        prefs.edit {
+            putInt(key, value)
+        }
    }

    override fun getLong(key: String?, defValue: Long): Long {
@@ -26,7 +31,9 @@ class SharedPreferencesDataStore(private val prefs: SharedPreferences) : Prefere
    }

    override fun putLong(key: String?, value: Long) {
-        prefs.edit().putLong(key, value).apply()
+        prefs.edit {
+            putLong(key, value)
+        }
    }

    override fun getFloat(key: String?, defValue: Float): Float {
@@ -34,7 +41,9 @@ class SharedPreferencesDataStore(private val prefs: SharedPreferences) : Prefere
    }

    override fun putFloat(key: String?, value: Float) {
-        prefs.edit().putFloat(key, value).apply()
+        prefs.edit {
+            putFloat(key, value)
+        }
    }

    override fun getString(key: String?, defValue: String?): String? {
@@ -42,7 +51,9 @@ class SharedPreferencesDataStore(private val prefs: SharedPreferences) : Prefere
    }

    override fun putString(key: String?, value: String?) {
-        prefs.edit().putString(key, value).apply()
+        prefs.edit {
+            putString(key, value)
+        }
    }

    override fun getStringSet(key: String?, defValues: MutableSet<String>?): MutableSet<String>? {
@@ -50,6 +61,8 @@ class SharedPreferencesDataStore(private val prefs: SharedPreferences) : Prefere
    }

    override fun putStringSet(key: String?, values: MutableSet<String>?) {
-        prefs.edit().putStringSet(key, values).apply()
+        prefs.edit {
+            putStringSet(key, values)
+        }
    }
 }
@@ -476,7 +476,9 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
        fun copyPersonalFrom(track: Track) {
            num_read_chapters = track.last_chapter_read.toString()
            val numScore = track.score.toInt()
-            if (numScore in 1..9) {
+            if (numScore == 0) {
+                score = ""
+            } else if (numScore in 1..10) {
                score = numScore.toString()
            }
            status = track.status.toString()
@@ -26,7 +26,7 @@ class DevRepoUpdateChecker : UpdateChecker() {

    override suspend fun checkForUpdate(): UpdateResult {
        val response = withContext(Dispatchers.IO) {
-            client.newCall(GET(DevRepoRelease.LATEST_URL)).await(assertSuccess = false)
+            client.newCall(GET(DevRepoRelease.LATEST_URL)).await()
        }

        // Get latest repo version number from header in format "Location: tachiyomi-r1512.apk"
@@ -19,13 +19,8 @@ import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.util.lang.launchNow
 import eu.kanade.tachiyomi.util.system.toast
 import exh.EH_SOURCE_ID
-import exh.EIGHTMUSES_SOURCE_ID
 import exh.EXH_SOURCE_ID
-import exh.HITOMI_SOURCE_ID
 import exh.MERGED_SOURCE_ID
-import exh.NHENTAI_SOURCE_ID
-import exh.PERV_EDEN_EN_SOURCE_ID
-import exh.PERV_EDEN_IT_SOURCE_ID
 import exh.source.BlacklistedSources
 import kotlinx.coroutines.async
 import rx.Observable
@@ -83,11 +78,6 @@ class ExtensionManager(
        return when (source.id) {
            EH_SOURCE_ID -> context.getDrawable(R.mipmap.ic_ehentai_source)
            EXH_SOURCE_ID -> context.getDrawable(R.mipmap.ic_ehentai_source)
-            PERV_EDEN_EN_SOURCE_ID -> context.getDrawable(R.mipmap.ic_perveden_source)
-            PERV_EDEN_IT_SOURCE_ID -> context.getDrawable(R.mipmap.ic_perveden_source)
-            NHENTAI_SOURCE_ID -> context.getDrawable(R.mipmap.ic_nhentai_source)
-            HITOMI_SOURCE_ID -> context.getDrawable(R.mipmap.ic_hitomi_source)
-            EIGHTMUSES_SOURCE_ID -> context.getDrawable(R.mipmap.ic_8muses_source)
            MERGED_SOURCE_ID -> context.getDrawable(R.mipmap.ic_merged_source)
            else -> null
        }
@@ -1,44 +1,30 @@
 package eu.kanade.tachiyomi.extension.api

 import android.content.Context
-import com.github.salomonbrys.kotson.fromJson
 import com.github.salomonbrys.kotson.get
 import com.github.salomonbrys.kotson.int
 import com.github.salomonbrys.kotson.string
-import com.google.gson.Gson
 import com.google.gson.JsonArray
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.LoadResult
 import eu.kanade.tachiyomi.extension.util.ExtensionLoader
-import eu.kanade.tachiyomi.network.GET
-import eu.kanade.tachiyomi.network.NetworkHelper
-import eu.kanade.tachiyomi.network.await
 import exh.source.BlacklistedSources
 import java.util.Date
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import okhttp3.Response
 import uy.kohesive.injekt.injectLazy

 internal class ExtensionGithubApi {

-    private val network: NetworkHelper by injectLazy()
    private val preferences: PreferencesHelper by injectLazy()

-    private val gson: Gson by injectLazy()
-
    suspend fun findExtensions(): List<Extension.Available> {
-        val call = GET(EXT_URL)
+        val service: ExtensionGithubService = ExtensionGithubService.create()

        return withContext(Dispatchers.IO) {
-            val response = network.client.newCall(call).await()
-            if (response.isSuccessful) {
-                parseResponse(response)
-            } else {
-                response.close()
-                throw Exception("Failed to get extensions")
-            }
+            val response = service.getRepo()
+            parseResponse(response)
        }
    }

@@ -72,11 +58,7 @@ internal class ExtensionGithubApi {
        return extensionsWithUpdate
    }

-    private fun parseResponse(response: Response): List<Extension.Available> {
-        val text = response.body?.use { it.string() } ?: return emptyList()
-
-        val json = gson.fromJson<JsonArray>(text)
-
+    private fun parseResponse(json: JsonArray): List<Extension.Available> {
        return json
            .filter { element ->
                val versionName = element["version"].string
@@ -90,14 +72,15 @@ internal class ExtensionGithubApi {
                val versionName = element["version"].string
                val versionCode = element["code"].int
                val lang = element["lang"].string
-                val icon = "$REPO_URL/icon/${apkName.replace(".apk", ".png")}"
+                val nsfw = element["nsfw"].int == 1
+                val icon = "$REPO_URL_PREFIX/icon/${apkName.replace(".apk", ".png")}"

-                Extension.Available(name, pkgName, versionName, versionCode, lang, apkName, icon)
+                Extension.Available(name, pkgName, versionName, versionCode, lang, nsfw, apkName, icon)
            }
    }

    fun getApkUrl(extension: Extension.Available): String {
-        return "$REPO_URL/apk/${extension.apkName}"
+        return "$REPO_URL_PREFIX/apk/${extension.apkName}"
    }

    // SY -->
@@ -110,7 +93,7 @@ internal class ExtensionGithubApi {
    // SY <--

    companion object {
-        private const val REPO_URL = "https://raw.githubusercontent.com/inorichi/tachiyomi-extensions/repo"
-        private const val EXT_URL = "$REPO_URL/index.json"
+        const val BASE_URL = "https://raw.githubusercontent.com/"
+        const val REPO_URL_PREFIX = "${BASE_URL}inorichi/tachiyomi-extensions/repo/"
    }
 }
@@ -0,0 +1,42 @@
+package eu.kanade.tachiyomi.extension.api
+
+import com.google.gson.JsonArray
+import eu.kanade.tachiyomi.network.NetworkHelper
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.GET
+import uy.kohesive.injekt.injectLazy
+
+/**
+ * Used to get the extension repo listing from GitHub.
+ */
+interface ExtensionGithubService {
+
+    companion object {
+        private val client by lazy {
+            val network: NetworkHelper by injectLazy()
+            network.client.newBuilder()
+                .addNetworkInterceptor { chain ->
+                    val originalResponse = chain.proceed(chain.request())
+                    originalResponse.newBuilder()
+                        .header("Content-Encoding", "gzip")
+                        .header("Content-Type", "application/json")
+                        .build()
+                }
+                .build()
+        }
+
+        fun create(): ExtensionGithubService {
+            val adapter = Retrofit.Builder()
+                .baseUrl(ExtensionGithubApi.BASE_URL)
+                .addConverterFactory(GsonConverterFactory.create())
+                .client(client)
+                .build()
+
+            return adapter.create(ExtensionGithubService::class.java)
+        }
+    }
+
+    @GET("${ExtensionGithubApi.REPO_URL_PREFIX}index.json.gz")
+    suspend fun getRepo(): JsonArray
+}
@@ -9,14 +9,16 @@ sealed class Extension {
    abstract val versionName: String
    abstract val versionCode: Int
    abstract val lang: String?
+    abstract val isNsfw: Boolean

    data class Installed(
        override val name: String,
        override val pkgName: String,
        override val versionName: String,
        override val versionCode: Int,
-        val sources: List<Source>,
        override val lang: String,
+        override val isNsfw: Boolean,
+        val sources: List<Source>,
        val hasUpdate: Boolean = false,
        val isObsolete: Boolean = false,
        val isUnofficial: Boolean = false,
@@ -31,6 +33,7 @@ sealed class Extension {
        override val versionName: String,
        override val versionCode: Int,
        override val lang: String,
+        override val isNsfw: Boolean,
        val apkName: String,
        val iconUrl: String
    ) : Extension()
@@ -41,6 +44,7 @@ sealed class Extension {
        override val versionName: String,
        override val versionCode: Int,
        val signatureHash: String,
-        override val lang: String? = null
+        override val lang: String? = null,
+        override val isNsfw: Boolean = false
    ) : Extension()
 }
@@ -5,6 +5,8 @@ import android.content.Context
 import android.content.pm.PackageInfo
 import android.content.pm.PackageManager
 import dalvik.system.PathClassLoader
+import eu.kanade.tachiyomi.annoations.Nsfw
+import eu.kanade.tachiyomi.data.preference.PreferenceValues
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.LoadResult
@@ -15,8 +17,7 @@ import eu.kanade.tachiyomi.util.lang.Hash
 import kotlinx.coroutines.async
 import kotlinx.coroutines.runBlocking
 import timber.log.Timber
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
+import uy.kohesive.injekt.injectLazy

 /**
 * Class that handles the loading of the extensions installed in the system.
@@ -24,20 +25,25 @@ import uy.kohesive.injekt.api.get
@SuppressLint("PackageManagerGetSignatures")
 internal object ExtensionLoader {

+    private val preferences: PreferencesHelper by injectLazy()
+    private val allowNsfwSource by lazy {
+        preferences.allowNsfwSource().get()
+    }
+
    private const val EXTENSION_FEATURE = "tachiyomi.extension"
    private const val METADATA_SOURCE_CLASS = "tachiyomi.extension.class"
+    private const val METADATA_NSFW = "tachiyomi.extension.nsfw"
    const val LIB_VERSION_MIN = 1.2
    const val LIB_VERSION_MAX = 1.2

    private const val PACKAGE_FLAGS = PackageManager.GET_CONFIGURATIONS or PackageManager.GET_SIGNATURES

    // inorichi's key
-    val officialSignature = "7ce04da7773d41b489f4693a366c36bcd0a11fc39b547168553c285bd7348e23"
+    private const val officialSignature = "7ce04da7773d41b489f4693a366c36bcd0a11fc39b547168553c285bd7348e23"
    /**
     * List of the trusted signatures.
     */
-    var trustedSignatures = mutableSetOf<String>() +
-        Injekt.get<PreferencesHelper>().trustedSignatures().get() + officialSignature
+    var trustedSignatures = mutableSetOf<String>() + preferences.trustedSignatures().get() + officialSignature

    /**
     * Return a list of all the installed extensions initialized concurrently.
@@ -125,6 +131,11 @@ internal object ExtensionLoader {
            return LoadResult.Untrusted(extension)
        }

+        val isNsfw = appInfo.metaData.getInt(METADATA_NSFW) == 1
+        if (allowNsfwSource == PreferenceValues.NsfwAllowance.BLOCKED && isNsfw) {
+            return LoadResult.Error("NSFW extension $pkgName not allowed")
+        }
+
        val classLoader = PathClassLoader(appInfo.sourceDir, null, context.classLoader)

        val sources = appInfo.metaData.getString(METADATA_SOURCE_CLASS)!!
@@ -141,7 +152,13 @@ internal object ExtensionLoader {
                try {
                    when (val obj = Class.forName(it, false, classLoader).newInstance()) {
                        is Source -> listOf(obj)
-                        is SourceFactory -> obj.createSources()
+                        is SourceFactory -> {
+                            if (isSourceNsfw(obj)) {
+                                emptyList()
+                            } else {
+                                obj.createSources()
+                            }
+                        }
                        else -> throw Exception("Unknown source class type! ${obj.javaClass}")
                    }
                } catch (e: Throwable) {
@@ -149,10 +166,11 @@ internal object ExtensionLoader {
                    return LoadResult.Error(e)
                }
            }
+            .filter { !isSourceNsfw(it) }
+
        val langs = sources.filterIsInstance<CatalogueSource>()
            .map { it.lang }
            .toSet()
-
        val lang = when (langs.size) {
            0 -> ""
            1 -> langs.first()
@@ -160,7 +178,7 @@ internal object ExtensionLoader {
        }

        val extension = Extension.Installed(
-            extName, pkgName, versionName, versionCode, sources, lang,
+            extName, pkgName, versionName, versionCode, lang, isNsfw, sources,
            isUnofficial = signatureHash != officialSignature
        )
        return LoadResult.Success(extension)
@@ -188,4 +206,22 @@ internal object ExtensionLoader {
            null
        }
    }
+
+    /**
+     * Checks whether a Source or SourceFactory is annotated with @Nsfw.
+     */
+    private fun isSourceNsfw(clazz: Any): Boolean {
+        if (allowNsfwSource == PreferenceValues.NsfwAllowance.ALLOWED) {
+            return false
+        }
+
+        if (clazz !is Source && clazz !is SourceFactory) {
+            return false
+        }
+
+        // Annotations are proxied, hence this janky way of checking for them
+        return clazz.javaClass.annotations
+            .flatMap { it.javaClass.interfaces.map { it.simpleName } }
+            .firstOrNull { it == Nsfw::class.java.simpleName } != null
+    }
 }
@@ -2,18 +2,16 @@ package eu.kanade.tachiyomi.network

 import android.annotation.SuppressLint
 import android.content.Context
+import android.os.Build
 import android.os.Handler
 import android.os.Looper
-import android.webkit.WebResourceRequest
-import android.webkit.WebResourceResponse
 import android.webkit.WebSettings
 import android.webkit.WebView
 import android.widget.Toast
-import androidx.webkit.WebViewClientCompat
-import androidx.webkit.WebViewFeature
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.util.lang.launchUI
+import eu.kanade.tachiyomi.util.system.WebViewClientCompat
 import eu.kanade.tachiyomi.util.system.WebViewUtil
 import eu.kanade.tachiyomi.util.system.isOutdated
 import eu.kanade.tachiyomi.util.system.setDefaultSettings
@@ -116,7 +114,7 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
                    }

                    // HTTP error codes are only received since M
-                    if (WebViewFeature.isFeatureSupported(WebViewFeature.RECEIVE_WEB_RESOURCE_ERROR) &&
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
                        url == origRequestUrl && !challengeFound
                    ) {
                        // The first request didn't return the challenge, abort.
@@ -124,13 +122,15 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
                    }
                }

-                override fun onReceivedHttpError(
+                override fun onReceivedErrorCompat(
                    view: WebView,
-                    request: WebResourceRequest,
-                    errorResponse: WebResourceResponse
+                    errorCode: Int,
+                    description: String?,
+                    failingUrl: String,
+                    isMainFrame: Boolean
                ) {
-                    if (request.isForMainFrame) {
-                        if (errorResponse.statusCode == 503) {
+                    if (isMainFrame) {
+                        if (errorCode == 503) {
                            // Found the Cloudflare challenge page.
                            challengeFound = true
                        } else {
@@ -20,10 +20,14 @@ import eu.kanade.tachiyomi.source.online.english.HentaiCafe
 import eu.kanade.tachiyomi.source.online.english.Pururin
 import eu.kanade.tachiyomi.source.online.english.Tsumino
 import exh.EH_SOURCE_ID
+import exh.EIGHTMUSES_SOURCE_ID
 import exh.EXH_SOURCE_ID
+import exh.HBROWSE_SOURCE_ID
+import exh.HENTAI_CAFE_SOURCE_ID
 import exh.PERV_EDEN_EN_SOURCE_ID
 import exh.PERV_EDEN_IT_SOURCE_ID
-import exh.metadata.metadata.PervEdenLang
+import exh.PURURIN_SOURCE_ID
+import exh.TSUMINO_SOURCE_ID
 import exh.source.BlacklistedSources
 import exh.source.DelegatedHttpSource
 import exh.source.EnhancedHttpSource
@@ -104,7 +108,7 @@ open class SourceManager(private val context: Context) {
                source,
                delegate.newSourceClass.constructors.find { it.parameters.size == 2 }!!.call(source, context)
            )
-            val map = listOf(DelegatedSource(enhancedSource.originalSource.name, enhancedSource.originalSource.id, enhancedSource.originalSource::class.qualifiedName ?: delegate.originalSourceQualifiedClassName, (enhancedSource.enhancedSource as DelegatedHttpSource)::class, delegate.factory)).associateBy { it.originalSourceQualifiedClassName }
+            val map = listOf(DelegatedSource(enhancedSource.originalSource.name, enhancedSource.originalSource.id, enhancedSource.originalSource::class.qualifiedName ?: delegate.originalSourceQualifiedClassName, (enhancedSource.enhancedSource as DelegatedHttpSource)::class, delegate.factory)).associateBy { it.sourceId }
            currentDelegatedSources.plusAssign(map)
            enhancedSource
        } else source
@@ -136,11 +140,6 @@ open class SourceManager(private val context: Context) {
        if (prefs.enableExhentai().get()) {
            exSrcs += EHentai(EXH_SOURCE_ID, true, context)
        }
-        exSrcs += PervEden(PERV_EDEN_EN_SOURCE_ID, PervEdenLang.en, context)
-        exSrcs += PervEden(PERV_EDEN_IT_SOURCE_ID, PervEdenLang.it, context)
-        exSrcs += NHentai(context)
-        exSrcs += Hitomi(context)
-        exSrcs += EightMuses(context)
        return exSrcs
    }
    // SY <--
@@ -173,23 +172,23 @@ open class SourceManager(private val context: Context) {

    // SY -->
    companion object {
-        private const val fillInSourceId = 9999L
+        private const val fillInSourceId = Long.MAX_VALUE
        val DELEGATED_SOURCES = listOf(
            DelegatedSource(
                "Hentai Cafe",
-                260868874183818481,
+                HENTAI_CAFE_SOURCE_ID,
                "eu.kanade.tachiyomi.extension.all.foolslide.HentaiCafe",
                HentaiCafe::class
            ),
            DelegatedSource(
                "Pururin",
-                2221515250486218861,
+                PURURIN_SOURCE_ID,
                "eu.kanade.tachiyomi.extension.en.pururin.Pururin",
                Pururin::class
            ),
            DelegatedSource(
                "Tsumino",
-                6707338697138388238,
+                TSUMINO_SOURCE_ID,
                "eu.kanade.tachiyomi.extension.en.tsumino.Tsumino",
                Tsumino::class
            )/*,
@@ -202,13 +201,45 @@ open class SourceManager(private val context: Context) {
            )*/,
            DelegatedSource(
                "HBrowse",
-                1401584337232758222,
+                HBROWSE_SOURCE_ID,
                "eu.kanade.tachiyomi.extension.en.hbrowse.HBrowse",
                HBrowse::class
+            ),
+            DelegatedSource(
+                "8Muses",
+                EIGHTMUSES_SOURCE_ID,
+                "eu.kanade.tachiyomi.extension.all.eromuse.EroMuse",
+                EightMuses::class
+            ),
+            DelegatedSource(
+                "Hitomi",
+                fillInSourceId,
+                "eu.kanade.tachiyomi.extension.all.hitomi.Hitomi",
+                Hitomi::class,
+                true
+            ),
+            DelegatedSource(
+                "PervEden English",
+                PERV_EDEN_EN_SOURCE_ID,
+                "eu.kanade.tachiyomi.extension.en.perveden.Perveden",
+                PervEden::class
+            ),
+            DelegatedSource(
+                "PervEden Italian",
+                PERV_EDEN_IT_SOURCE_ID,
+                "eu.kanade.tachiyomi.extension.it.perveden.Perveden",
+                PervEden::class
+            ),
+            DelegatedSource(
+                "NHentai",
+                fillInSourceId,
+                "eu.kanade.tachiyomi.extension.all.nhentai.NHentai",
+                NHentai::class,
+                true
            )
        ).associateBy { it.originalSourceQualifiedClassName }

-        var currentDelegatedSources = mutableMapOf<String, DelegatedSource>()
+        var currentDelegatedSources = mutableMapOf<Long, DelegatedSource>()

        data class DelegatedSource(
            val sourceName: String,
@@ -3,100 +3,49 @@ package eu.kanade.tachiyomi.source.online.all
 import android.content.Context
 import android.net.Uri
 import android.os.Build
-import com.github.salomonbrys.kotson.array
-import com.github.salomonbrys.kotson.get
-import com.github.salomonbrys.kotson.string
-import com.google.gson.JsonParser
-import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.asObservableSuccess
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
-import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.LewdSource
 import eu.kanade.tachiyomi.source.online.UrlImportableSource
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.asJsoup
-import exh.HITOMI_SOURCE_ID
-import exh.hitomi.HitomiNozomi
 import exh.metadata.metadata.HitomiSearchMetadata
-import exh.metadata.metadata.HitomiSearchMetadata.Companion.BASE_URL
-import exh.metadata.metadata.HitomiSearchMetadata.Companion.LTN_BASE_URL
-import exh.metadata.metadata.HitomiSearchMetadata.Companion.TAG_TYPE_DEFAULT
-import exh.metadata.metadata.base.RaisedSearchMetadata.Companion.TAG_TYPE_VIRTUAL
+import exh.metadata.metadata.base.RaisedSearchMetadata
 import exh.metadata.metadata.base.RaisedTag
+import exh.source.DelegatedHttpSource
 import exh.ui.metadata.adapters.HitomiDescriptionAdapter
 import exh.util.urlImportFetchSearchManga
 import java.text.SimpleDateFormat
 import java.util.Locale
-import okhttp3.Request
-import okhttp3.Response
 import org.jsoup.nodes.Document
-import org.vepta.vdm.ByteCursor
 import rx.Observable
-import rx.Single
-import rx.schedulers.Schedulers
-import uy.kohesive.injekt.injectLazy

-/**
- * Man, I hate this source :(
- */
-class Hitomi(val context: Context) : HttpSource(), LewdSource<HitomiSearchMetadata, Document>, UrlImportableSource {
-    private val prefs: PreferencesHelper by injectLazy()
-
-    override val id = HITOMI_SOURCE_ID
-
-    /**
-     * Whether the source has support for latest updates.
-     */
-    override val supportsLatest = true
-    /**
-     * Name of the source.
-     */
-    override val name = "hitomi.la"
-    /**
-     * The class of the metadata used by this source
-     */
+class Hitomi(delegate: HttpSource, val context: Context) :
+    DelegatedHttpSource(delegate),
+    LewdSource<HitomiSearchMetadata, Document>,
+    UrlImportableSource {
    override val metaClass = HitomiSearchMetadata::class
+    override val lang = if (delegate.lang == "other") "all" else delegate.lang
+    override val id: Long
+        get() = if (delegate.lang == "other") otherId else delegate.id

-    private var cachedTagIndexVersion: Long? = null
-    private var tagIndexVersionCacheTime: Long = 0
-    private fun tagIndexVersion(): Single<Long> {
-        val sCachedTagIndexVersion = cachedTagIndexVersion
-        return if (sCachedTagIndexVersion == null ||
-            tagIndexVersionCacheTime + INDEX_VERSION_CACHE_TIME_MS < System.currentTimeMillis()
-        ) {
-            HitomiNozomi.getIndexVersion(client, "tagindex").subscribeOn(Schedulers.io()).doOnNext {
-                cachedTagIndexVersion = it
-                tagIndexVersionCacheTime = System.currentTimeMillis()
-            }.toSingle()
-        } else {
-            Single.just(sCachedTagIndexVersion)
+    // Support direct URL importing
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> =
+        urlImportFetchSearchManga(context, query) {
+            super.fetchSearchManga(page, query, filters)
        }
+
+    override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
+        return client.newCall(mangaDetailsRequest(manga))
+            .asObservableSuccess()
+            .flatMap {
+                parseToManga(manga, it.asJsoup()).andThen(Observable.just(manga))
+            }
    }

-    private var cachedGalleryIndexVersion: Long? = null
-    private var galleryIndexVersionCacheTime: Long = 0
-    private fun galleryIndexVersion(): Single<Long> {
-        val sCachedGalleryIndexVersion = cachedGalleryIndexVersion
-        return if (sCachedGalleryIndexVersion == null ||
-            galleryIndexVersionCacheTime + INDEX_VERSION_CACHE_TIME_MS < System.currentTimeMillis()
-        ) {
-            HitomiNozomi.getIndexVersion(client, "galleriesindex").subscribeOn(Schedulers.io()).doOnNext {
-                cachedGalleryIndexVersion = it
-                galleryIndexVersionCacheTime = System.currentTimeMillis()
-            }.toSingle()
-        } else {
-            Single.just(sCachedGalleryIndexVersion)
-        }
-    }
-
-    /**
-     * Parse the supplied input into the supplied metadata object
-     */
    override fun parseIntoMetadata(metadata: HitomiSearchMetadata, input: Document) {
        with(metadata) {
            url = input.location()
@@ -109,306 +58,63 @@ class Hitomi(val context: Context) : HttpSource(), LewdSource<HitomiSearchMetada

            title = galleryElement.selectFirst("h1").text()
            artists = galleryElement.select("h2 a").map { it.text() }
-            tags += artists.map { RaisedTag("artist", it, TAG_TYPE_VIRTUAL) }
+            tags += artists.map { RaisedTag("artist", it, RaisedSearchMetadata.TAG_TYPE_VIRTUAL) }

            input.select(".gallery-info tr").forEach {
                val content = it.child(1)
                when (it.child(0).text().toLowerCase()) {
                    "group" -> {
                        group = content.text()
-                        tags += RaisedTag("group", group!!, TAG_TYPE_VIRTUAL)
+                        tags += RaisedTag("group", group!!, RaisedSearchMetadata.TAG_TYPE_VIRTUAL)
                    }
                    "type" -> {
                        type = content.text()
-                        tags += RaisedTag("type", type!!, TAG_TYPE_VIRTUAL)
+                        tags += RaisedTag("type", type!!, RaisedSearchMetadata.TAG_TYPE_VIRTUAL)
                    }
                    "series" -> {
                        series = content.select("a").map { it.text() }
                        tags += series.map {
-                            RaisedTag("series", it, TAG_TYPE_VIRTUAL)
+                            RaisedTag("series", it, RaisedSearchMetadata.TAG_TYPE_VIRTUAL)
                        }
                    }
                    "language" -> {
                        language = content.selectFirst("a")?.attr("href")?.split('-')?.get(1)
                        language?.let {
-                            tags += RaisedTag("language", it, TAG_TYPE_VIRTUAL)
+                            tags += RaisedTag("language", it, RaisedSearchMetadata.TAG_TYPE_VIRTUAL)
                        }
                    }
                    "characters" -> {
                        characters = content.select("a").map { it.text() }
-                        tags += characters.map { RaisedTag("character", it, TAG_TYPE_DEFAULT) }
+                        tags += characters.map {
+                            RaisedTag(
+                                "character", it,
+                                HitomiSearchMetadata.TAG_TYPE_DEFAULT
+                            )
+                        }
                    }
                    "tags" -> {
                        tags += content.select("a").map {
                            val ns = if (it.attr("href").startsWith("/tag/male")) "male"
                            else if (it.attr("href").startsWith("/tag/female")) "female"
                            else "misc"
-                            RaisedTag(ns, it.text().dropLast(if (ns == "misc") 0 else 2), TAG_TYPE_DEFAULT)
+                            RaisedTag(
+                                ns, it.text().dropLast(if (ns == "misc") 0 else 2),
+                                HitomiSearchMetadata.TAG_TYPE_DEFAULT
+                            )
                        }
                    }
                }
            }

-            uploadDate = DATE_FORMAT.parse(input.selectFirst(".gallery-info .date").text())!!.time
+            uploadDate = try {
+                DATE_FORMAT.parse(input.selectFirst(".gallery-info .date").text())!!.time
+            } catch (e: Exception) {
+                null
+            }
        }
    }

-    override val lang = "all"
-
-    /**
-     * Base url of the website without the trailing slash, like: http://mysite.com
-     */
-    override val baseUrl = BASE_URL
-
-    /**
-     * Returns the request for the popular manga given the page.
-     *
-     * @param page the page number to retrieve.
-     */
-    override fun popularMangaRequest(page: Int) = HitomiNozomi.rangedGet(
-        "$LTN_BASE_URL/popular-all.nozomi",
-        100L * (page - 1),
-        99L + 100 * (page - 1)
-    )
-
-    /**
-     * Parses the response from the site and returns a [MangasPage] object.
-     *
-     * @param response the response from the site.
-     */
-    override fun popularMangaParse(response: Response) = throw UnsupportedOperationException()
-
-    /**
-     * Returns the request for the search manga given the page.
-     *
-     * @param page the page number to retrieve.
-     * @param query the search query.
-     * @param filters the list of filters to apply.
-     */
-    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) = throw UnsupportedOperationException()
-
-    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
-        return urlImportFetchSearchManga(context, query) {
-            val splitQuery = query.split(" ")
-
-            val positive = splitQuery.filter { !it.startsWith('-') }.toMutableList()
-            val negative = (splitQuery - positive).map { it.removePrefix("-") }
-
-            // TODO Cache the results coming out of HitomiNozomi
-            val hn = Single.zip(tagIndexVersion(), galleryIndexVersion()) { tv, gv -> tv to gv }
-                .map { HitomiNozomi(client, it.first, it.second) }
-
-            var base = if (positive.isEmpty()) {
-                hn.flatMap { n -> n.getGalleryIdsFromNozomi(null, "index", "all").map { n to it.toSet() } }
-            } else {
-                val q = positive.removeAt(0)
-                hn.flatMap { n -> n.getGalleryIdsForQuery(q).map { n to it.toSet() } }
-            }
-
-            base = positive.fold(base) { acc, q ->
-                acc.flatMap { (nozomi, mangas) ->
-                    nozomi.getGalleryIdsForQuery(q).map {
-                        nozomi to mangas.intersect(it)
-                    }
-                }
-            }
-
-            base = negative.fold(base) { acc, q ->
-                acc.flatMap { (nozomi, mangas) ->
-                    nozomi.getGalleryIdsForQuery(q).map {
-                        nozomi to (mangas - it)
-                    }
-                }
-            }
-
-            base.flatMap { (_, ids) ->
-                val chunks = ids.chunked(PAGE_SIZE)
-
-                nozomiIdsToMangas(chunks[page - 1]).map { mangas ->
-                    MangasPage(mangas, page < chunks.size)
-                }
-            }.toObservable()
-        }
-    }
-
-    /**
-     * Parses the response from the site and returns a [MangasPage] object.
-     *
-     * @param response the response from the site.
-     */
-    override fun searchMangaParse(response: Response) = throw UnsupportedOperationException()
-
-    /**
-     * Returns the request for latest manga given the page.
-     *
-     * @param page the page number to retrieve.
-     */
-    override fun latestUpdatesRequest(page: Int) = HitomiNozomi.rangedGet(
-        "$LTN_BASE_URL/index-all.nozomi",
-        100L * (page - 1),
-        99L + 100 * (page - 1)
-    )
-
-    /**
-     * Parses the response from the site and returns a [MangasPage] object.
-     *
-     * @param response the response from the site.
-     */
-    override fun latestUpdatesParse(response: Response) = throw UnsupportedOperationException()
-
-    override fun fetchPopularManga(page: Int): Observable<MangasPage> {
-        return client.newCall(popularMangaRequest(page))
-            .asObservableSuccess()
-            .flatMap { responseToMangas(it) }
-    }
-
-    override fun fetchLatestUpdates(page: Int): Observable<MangasPage> {
-        return client.newCall(latestUpdatesRequest(page))
-            .asObservableSuccess()
-            .flatMap { responseToMangas(it) }
-    }
-
-    fun responseToMangas(response: Response): Observable<MangasPage> {
-        val range = response.header("Content-Range")!!
-        val total = range.substringAfter('/').toLong()
-        val end = range.substringBefore('/').substringAfter('-').toLong()
-        val body = response.body!!
-        return parseNozomiPage(body.bytes())
-            .map {
-                MangasPage(it, end < total - 1)
-            }
-    }
-
-    private fun parseNozomiPage(array: ByteArray): Observable<List<SManga>> {
-        val cursor = ByteCursor(array)
-        val ids = (1..array.size / 4).map {
-            cursor.nextInt()
-        }
-
-        return nozomiIdsToMangas(ids).toObservable()
-    }
-
-    private fun nozomiIdsToMangas(ids: List<Int>): Single<List<SManga>> {
-        return Single.zip(
-            ids.map {
-                client.newCall(GET("$LTN_BASE_URL/galleryblock/$it.html"))
-                    .asObservableSuccess()
-                    .subscribeOn(Schedulers.io()) // Perform all these requests in parallel
-                    .map { parseGalleryBlock(it) }
-                    .toSingle()
-            }
-        ) { it.map { m -> m as SManga } }
-    }
-
-    private fun parseGalleryBlock(response: Response): SManga {
-        val doc = response.asJsoup()
-        return SManga.create().apply {
-            val titleElement = doc.selectFirst("h1")
-            title = titleElement.text()
-            thumbnail_url = "https:" + if (prefs.eh_hl_useHighQualityThumbs().get()) {
-                doc.selectFirst("img").attr("srcset").substringBefore(' ')
-            } else {
-                doc.selectFirst("img").attr("src")
-            }
-            url = titleElement.child(0).attr("href")
-
-            // TODO Parse tags and stuff
-        }
-    }
-
-    /**
-     * Returns an observable with the updated details for a manga. Normally it's not needed to
-     * override this method.
-     *
-     * @param manga the manga to be updated.
-     */
-    override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
-        return client.newCall(mangaDetailsRequest(manga))
-            .asObservableSuccess()
-            .flatMap {
-                parseToManga(manga, it.asJsoup()).andThen(
-                    Observable.just(
-                        manga.apply {
-                            initialized = true
-                        }
-                    )
-                )
-            }
-    }
-
-    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
-        return Observable.just(
-            listOf(
-                SChapter.create().apply {
-                    url = manga.url
-                    name = "Chapter"
-                    chapter_number = 0.0f
-                }
-            )
-        )
-    }
-
-    override fun pageListRequest(chapter: SChapter): Request {
-        return GET("$LTN_BASE_URL/galleries/${HitomiSearchMetadata.hlIdFromUrl(chapter.url)}.js")
-    }
-
-    /**
-     * Parses the response from the site and returns the details of a manga.
-     *
-     * @param response the response from the site.
-     */
-    override fun mangaDetailsParse(response: Response) = throw UnsupportedOperationException()
-
-    /**
-     * Parses the response from the site and returns a list of chapters.
-     *
-     * @param response the response from the site.
-     */
-    override fun chapterListParse(response: Response) = throw UnsupportedOperationException()
-
-    /**
-     * Parses the response from the site and returns a list of pages.
-     *
-     * @param response the response from the site.
-     */
-    override fun pageListParse(response: Response): List<Page> {
-        val hlId = response.request.url.pathSegments.last().removeSuffix(".js").toLong()
-        val str = response.body!!.string()
-        val json = JsonParser.parseString(str.removePrefix("var galleryinfo = "))
-        return json["files"].array.mapIndexed { index, jsonElement ->
-            val hash = jsonElement["hash"].string
-            val ext = if (jsonElement["haswebp"].string == "0" || !prefs.hitomiAlwaysWebp().get()) jsonElement["name"].string.split('.').last() else "webp"
-            val path = if (jsonElement["haswebp"].string == "0" || !prefs.hitomiAlwaysWebp().get()) "images" else "webp"
-            val hashPath1 = hash.takeLast(1)
-            val hashPath2 = hash.takeLast(3).take(2)
-            Page(
-                index,
-                "",
-                "https://${subdomainFromGalleryId(hlId)}a.hitomi.la/$path/$hashPath1/$hashPath2/$hash.$ext"
-            )
-        }
-    }
-
-    private fun subdomainFromGalleryId(id: Long): Char {
-        return (97 + id.rem(NUMBER_OF_FRONTENDS)).toChar()
-    }
-
-    /**
-     * Parses the response from the site and returns the absolute url to the source image.
-     *
-     * @param response the response from the site.
-     */
-    override fun imageUrlParse(response: Response) = throw UnsupportedOperationException()
-
-    override fun imageRequest(page: Page): Request {
-        val request = super.imageRequest(page)
-        val hlId = request.url.pathSegments.let {
-            it[it.lastIndex - 1]
-        }
-        return request.newBuilder()
-            .header("Referer", "$BASE_URL/reader/$hlId.html")
-            .build()
-    }
+    override fun toString() = "${delegate.name} (${lang.toUpperCase()})"

    override val matchingHosts = listOf(
        "hitomi.la"
@@ -429,10 +135,7 @@ class Hitomi(val context: Context) : HttpSource(), LewdSource<HitomiSearchMetada
    }

    companion object {
-        private val INDEX_VERSION_CACHE_TIME_MS = 1000 * 60 * 10
-        private val PAGE_SIZE = 25
-        private val NUMBER_OF_FRONTENDS = 2
-
+        const val otherId = 2703068117101782422L
        private val DATE_FORMAT by lazy {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                SimpleDateFormat("yyyy-MM-dd HH:mm:ssX", Locale.US)
@@ -8,115 +8,38 @@ import com.github.salomonbrys.kotson.nullLong
 import com.github.salomonbrys.kotson.nullObj
 import com.github.salomonbrys.kotson.nullString
 import com.google.gson.JsonParser
-import eu.kanade.tachiyomi.BuildConfig
-import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.asObservableSuccess
-import eu.kanade.tachiyomi.source.model.Filter
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
-import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.LewdSource
 import eu.kanade.tachiyomi.source.online.UrlImportableSource
 import eu.kanade.tachiyomi.ui.manga.MangaController
-import eu.kanade.tachiyomi.util.asJsoup
-import exh.NHENTAI_SOURCE_ID
 import exh.metadata.metadata.NHentaiSearchMetadata
-import exh.metadata.metadata.NHentaiSearchMetadata.Companion.TAG_TYPE_DEFAULT
-import exh.metadata.metadata.base.RaisedSearchMetadata.Companion.TAG_TYPE_VIRTUAL
+import exh.metadata.metadata.base.RaisedSearchMetadata
 import exh.metadata.metadata.base.RaisedTag
+import exh.source.DelegatedHttpSource
 import exh.ui.metadata.adapters.NHentaiDescriptionAdapter
 import exh.util.urlImportFetchSearchManga
-import okhttp3.HttpUrl
-import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
-import okhttp3.Request
 import okhttp3.Response
 import rx.Observable

-/**
- * NHentai source
- */
-
-class NHentai(val context: Context) : HttpSource(), LewdSource<NHentaiSearchMetadata, Response>, UrlImportableSource {
+open class NHentai(delegate: HttpSource, val context: Context) :
+    DelegatedHttpSource(delegate),
+    LewdSource<NHentaiSearchMetadata, Response>,
+    UrlImportableSource {
    override val metaClass = NHentaiSearchMetadata::class
-
-    override fun fetchPopularManga(page: Int): Observable<MangasPage> {
-        // TODO There is currently no way to get the most popular mangas
-        // TODO Instead, we delegate this to the latest updates thing to avoid confusing users with an empty screen
-        return fetchLatestUpdates(page)
-    }
-
-    override fun popularMangaRequest(page: Int) = throw UnsupportedOperationException()
-
-    override fun popularMangaParse(response: Response) = throw UnsupportedOperationException()
+    override val lang = if (delegate.lang == "other") "all" else delegate.lang
+    override val id: Long
+        get() = if (delegate.lang == "other") otherId else delegate.id

    // Support direct URL importing
-    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
-        val trimmedIdQuery = query.trim().removePrefix("id:")
-        val newQuery = if (trimmedIdQuery.toIntOrNull() ?: -1 >= 0) {
-            "$baseUrl/g/$trimmedIdQuery/"
-        } else query
-
-        return urlImportFetchSearchManga(context, newQuery) {
-            searchMangaRequestObservable(page, query, filters).flatMap {
-                client.newCall(it).asObservableSuccess()
-            }.map { response ->
-                searchMangaParse(response)
-            }
-        }
-    }
-
-    private fun searchMangaRequestObservable(page: Int, query: String, filters: FilterList): Observable<Request> {
-        val advQuery = combineQuery(filters)
-        val favoriteFilter = filters.findInstance<FavoriteFilter>()
-        val uploadedFilter = filters.findInstance<UploadedFilter>()
-
-        val url: HttpUrl.Builder
-
-        if (favoriteFilter != null && favoriteFilter.state) {
-            url = "$baseUrl/favorites".toHttpUrlOrNull()!!.newBuilder()
-                .addQueryParameter("q", "$query $advQuery")
-                .addQueryParameter("page", page.toString())
-        } else {
-            url = "$baseUrl/search".toHttpUrlOrNull()!!.newBuilder()
-                .addQueryParameter("q", "$query $advQuery")
-                .addQueryParameter("page", page.toString())
-
-            if (uploadedFilter?.state?.isBlank() == true) {
-                filters.findInstance<SortFilter>()?.let { f ->
-                    url.addQueryParameter("sort", f.toUriPart())
-                }
-            }
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> =
+        urlImportFetchSearchManga(context, query) {
+            super.fetchSearchManga(page, query, filters)
        }

-        return client.newCall(nhGet(url.toString()))
-            .asObservableSuccess()
-            .map { nhGet(url.toString(), page) }
-    }
-
-    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) = throw UnsupportedOperationException()
-
-    override fun searchMangaParse(response: Response) = parseResultPage(response)
-
-    override fun latestUpdatesRequest(page: Int): Request {
-        val uri = Uri.parse(baseUrl).buildUpon()
-        uri.appendQueryParameter("page", page.toString())
-        return nhGet(uri.toString(), page)
-    }
-
-    override fun latestUpdatesParse(response: Response) = parseResultPage(response)
-
-    override fun mangaDetailsParse(response: Response) = throw UnsupportedOperationException()
-
-    /**
-     * Returns an observable with the updated details for a manga. Normally it's not needed to
-     * override this method.
-     *
-     * @param manga the manga to be updated.
-     */
    override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
        return client.newCall(mangaDetailsRequest(manga))
            .asObservableSuccess()
@@ -131,37 +54,10 @@ class NHentai(val context: Context) : HttpSource(), LewdSource<NHentaiSearchMeta
            }
    }

-    override fun mangaDetailsRequest(manga: SManga) = nhGet(baseUrl + manga.url)
-
-    private fun parseResultPage(response: Response): MangasPage {
-        val doc = response.asJsoup()
-
-        // TODO Parse lang + tags
-
-        val mangas = doc.select(".gallery > a").map {
-            SManga.create().apply {
-                url = it.attr("href")
-
-                title = it.selectFirst(".caption").text()
-
-                // last() is a hack to ignore the lazy-loader placeholder image on the front page
-                thumbnail_url = it.select("img").last().attr("src")
-                // In some pages, the thumbnail url does not include the protocol
-                if (!thumbnail_url!!.startsWith("https:")) thumbnail_url = "https:$thumbnail_url"
-            }
-        }
-
-        val hasNextPage = if (!response.request.url.queryParameterNames.contains(REVERSE_PARAM)) {
-            doc.selectFirst(".next") != null
-        } else {
-            response.request.url.queryParameter(REVERSE_PARAM)!!.toBoolean()
-        }
-
-        return MangasPage(mangas, hasNextPage)
-    }
-
    override fun parseIntoMetadata(metadata: NHentaiSearchMetadata, input: Response) {
-        val json = GALLERY_JSON_REGEX.find(input.body!!.string())!!.groupValues[1].replace(UNICODE_ESCAPE_REGEX) { it.groupValues[1].toInt(radix = 16).toChar().toString() }
+        val json = GALLERY_JSON_REGEX.find(input.body!!.string())!!.groupValues[1].replace(
+            UNICODE_ESCAPE_REGEX
+        ) { it.groupValues[1].toInt(radix = 16).toChar().toString() }
        val obj = JsonParser.parseString(json).asJsonObject

        with(metadata) {
@@ -198,164 +94,13 @@ class NHentai(val context: Context) : HttpSource(), LewdSource<NHentaiSearchMeta
                tags.clear()
            }?.forEach {
                if (it.first != null && it.second != null) {
-                    tags.add(RaisedTag(it.first!!, it.second!!, if (it.first == "category") TAG_TYPE_VIRTUAL else TAG_TYPE_DEFAULT))
+                    tags.add(RaisedTag(it.first!!, it.second!!, if (it.first == "category") RaisedSearchMetadata.TAG_TYPE_VIRTUAL else NHentaiSearchMetadata.TAG_TYPE_DEFAULT))
                }
            }
        }
    }

-    private fun getOrLoadMetadata(mangaId: Long?, nhId: Long) = getOrLoadMetadata(mangaId) {
-        client.newCall(nhGet(baseUrl + NHentaiSearchMetadata.nhIdToPath(nhId)))
-            .asObservableSuccess()
-            .toSingle()
-    }
-
-    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> = Observable.just(
-        listOf(
-            SChapter.create().apply {
-                url = manga.url
-                name = "Chapter"
-                chapter_number = 1f
-            }
-        )
-    )
-
-    override fun fetchPageList(chapter: SChapter): Observable<List<Page>> = getOrLoadMetadata(chapter.mangaId, NHentaiSearchMetadata.nhUrlToId(chapter.url)).map { metadata ->
-        if (metadata.mediaId == null) {
-            emptyList()
-        } else {
-            metadata.pageImageTypes.mapIndexed { index, s ->
-                val imageUrl = imageUrlFromType(metadata.mediaId!!, index + 1, s)
-                Page(index, imageUrl!!, imageUrl)
-            }
-        }
-    }.toObservable()
-
-    override fun fetchImageUrl(page: Page) = Observable.just(page.imageUrl!!)!!
-
-    private fun imageUrlFromType(mediaId: String, page: Int, t: String) = NHentaiSearchMetadata.typeToExtension(t)?.let {
-        "https://i.nhentai.net/galleries/$mediaId/$page.$it"
-    }
-
-    override fun chapterListParse(response: Response): List<SChapter> {
-        throw NotImplementedError("Unused method called!")
-    }
-
-    override fun pageListParse(response: Response): List<Page> {
-        throw NotImplementedError("Unused method called!")
-    }
-
-    override fun imageUrlParse(response: Response): String {
-        throw NotImplementedError("Unused method called!")
-    }
-
-    private fun combineQuery(filters: FilterList): String {
-        val stringBuilder = StringBuilder()
-        val advSearch = filters.filterIsInstance<AdvSearchEntryFilter>().flatMap { filter ->
-            val splitState = filter.state.split(",").map(String::trim).filterNot(String::isBlank)
-            splitState.map {
-                AdvSearchEntry(filter.name, it.removePrefix("-"), it.startsWith("-"))
-            }
-        }
-
-        advSearch.forEach { entry ->
-            if (entry.exclude) stringBuilder.append("-")
-            stringBuilder.append("${entry.name}:")
-            stringBuilder.append(entry.text)
-            stringBuilder.append(" ")
-        }
-
-        val langFilter = filters.filterIsInstance<FilterLang>().firstOrNull()
-        if (langFilter != null) {
-            val language = SOURCE_LANG_LIST.first { it.first == langFilter.values[langFilter.state] }.second
-            if (!language.isBlank()) {
-                stringBuilder.append("language:$language")
-            }
-        }
-
-        return stringBuilder.toString()
-    }
-
-    data class AdvSearchEntry(val name: String, val text: String, val exclude: Boolean)
-
-    override fun getFilterList(): FilterList = FilterList(
-        Filter.Header("Separate tags with commas (,)"),
-        Filter.Header("Prepend with dash (-) to exclude"),
-        TagFilter(),
-        CategoryFilter(),
-        GroupFilter(),
-        ArtistFilter(),
-        ParodyFilter(),
-        CharactersFilter(),
-        Filter.Header("Uploaded valid units are h, d, w, m, y."),
-        Filter.Header("example: (>20d)"),
-        UploadedFilter(),
-
-        Filter.Separator(),
-        SortFilter(),
-        Filter.Header("Sort is ignored if favorites only"),
-        FavoriteFilter(),
-        FilterLang()
-    )
-
-    class TagFilter : AdvSearchEntryFilter("Tags")
-    class CategoryFilter : AdvSearchEntryFilter("Categories")
-    class GroupFilter : AdvSearchEntryFilter("Groups")
-    class ArtistFilter : AdvSearchEntryFilter("Artists")
-    class ParodyFilter : AdvSearchEntryFilter("Parodies")
-    class CharactersFilter : AdvSearchEntryFilter("Characters")
-    class UploadedFilter : AdvSearchEntryFilter("Uploaded")
-    open class AdvSearchEntryFilter(name: String) : Filter.Text(name)
-
-    private class FavoriteFilter : Filter.CheckBox("Show favorites only", false)
-
-    // language filtering
-    private class FilterLang : Filter.Select<String>("Language", SOURCE_LANG_LIST.map { it.first }.toTypedArray())
-
-    private class SortFilter : UriPartFilter(
-        "Sort By",
-        arrayOf(
-            Pair("Popular: All Time", "popular"),
-            Pair("Popular: Week", "popular-week"),
-            Pair("Popular: Today", "popular-today"),
-            Pair("Recent", "date")
-        )
-    )
-
-    private open class UriPartFilter(displayName: String, val vals: Array<Pair<String, String>>) :
-        Filter.Select<String>(displayName, vals.map { it.first }.toTypedArray()) {
-        fun toUriPart() = vals[state].second
-    }
-
-    private inline fun <reified T> Iterable<*>.findInstance() = find { it is T } as? T
-
-    private val appName by lazy {
-        context.getString(R.string.app_name)
-    }
-
-    private fun nhGet(url: String, tag: Any? = null) = GET(url)
-        .newBuilder()
-        .header(
-            "User-Agent",
-            "Mozilla/5.0 (X11; Linux x86_64) " +
-                "AppleWebKit/537.36 (KHTML, like Gecko) " +
-                "Chrome/56.0.2924.87 " +
-                "Safari/537.36 " +
-                "$appName/${BuildConfig.VERSION_CODE}"
-        )
-        .tag(tag).build()
-
-    override val id = NHENTAI_SOURCE_ID
-
-    override val lang = "all"
-
-    override val name = "nhentai"
-
-    override val baseUrl = NHentaiSearchMetadata.BASE_URL
-
-    override val supportsLatest = true
-
-    // === URL IMPORT STUFF
+    override fun toString() = "${delegate.name} (${lang.toUpperCase()})"

    override val matchingHosts = listOf(
        "nhentai.net"
@@ -374,15 +119,9 @@ class NHentai(val context: Context) : HttpSource(), LewdSource<NHentaiSearchMeta
    }

    companion object {
+        const val otherId = 7309872737163460316L
+
        private val GALLERY_JSON_REGEX = Regex(".parse\\(\"(.*)\"\\);")
        private val UNICODE_ESCAPE_REGEX = Regex("\\\\u([0-9a-fA-F]{4})")
-        private const val REVERSE_PARAM = "TEH_REVERSE"
-
-        private val SOURCE_LANG_LIST = listOf(
-            Pair("All", ""),
-            Pair("English", "english"),
-            Pair("Japanese", "japanese"),
-            Pair("Chinese", "chinese")
-        )
    }
 }
@@ -2,155 +2,47 @@ package eu.kanade.tachiyomi.source.online.all

 import android.content.Context
 import android.net.Uri
-import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.asObservableSuccess
-import eu.kanade.tachiyomi.source.model.Filter
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
-import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.LewdSource
-import eu.kanade.tachiyomi.source.online.ParsedHttpSource
 import eu.kanade.tachiyomi.source.online.UrlImportableSource
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.asJsoup
-import eu.kanade.tachiyomi.util.chapter.ChapterRecognition
-import exh.metadata.metadata.PervEdenLang
 import exh.metadata.metadata.PervEdenSearchMetadata
-import exh.metadata.metadata.PervEdenSearchMetadata.Companion.TAG_TYPE_DEFAULT
-import exh.metadata.metadata.base.RaisedSearchMetadata.Companion.TAG_TYPE_VIRTUAL
+import exh.metadata.metadata.base.RaisedSearchMetadata
 import exh.metadata.metadata.base.RaisedTag
+import exh.source.DelegatedHttpSource
 import exh.ui.metadata.adapters.PervEdenDescriptionAdapter
-import exh.util.UriFilter
-import exh.util.UriGroup
 import exh.util.urlImportFetchSearchManga
-import java.text.SimpleDateFormat
-import java.util.Locale
-import java.util.TimeZone
-import okhttp3.Request
-import okhttp3.Response
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
 import org.jsoup.nodes.TextNode
 import rx.Observable

-// TODO Transform into delegated source
-class PervEden(override val id: Long, val pvLang: PervEdenLang, val context: Context) :
-    ParsedHttpSource(),
+class PervEden(delegate: HttpSource, val context: Context) :
+    DelegatedHttpSource(delegate),
    LewdSource<PervEdenSearchMetadata, Document>,
    UrlImportableSource {
-    /**
-     * The class of the metadata used by this source
-     */
    override val metaClass = PervEdenSearchMetadata::class
-
-    override val supportsLatest = true
-    override val name = "Perv Eden"
-    override val baseUrl = "http://www.perveden.com"
-    override val lang = pvLang.name
-
-    override fun popularMangaSelector() = "#topManga > ul > li"
-
-    override fun popularMangaFromElement(element: Element): SManga {
-        val manga = SManga.create()
-        manga.thumbnail_url = "http:" + element.select(".hottestImage > img").attr("data-src")
-
-        val titleElement = element.getElementsByClass("hottestInfo").first().child(0)
-        manga.url = titleElement.attr("href")
-        manga.title = titleElement.text()
-
-        return manga
-    }
-
-    override fun popularMangaNextPageSelector(): String? = null
+    override val lang = delegate.lang

    // Support direct URL importing
-    override fun fetchSearchManga(page: Int, query: String, filters: FilterList) =
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> =
        urlImportFetchSearchManga(context, query) {
            super.fetchSearchManga(page, query, filters)
        }

-    override fun searchMangaSelector() = "#mangaList > tbody > tr"
-
-    override fun searchMangaFromElement(element: Element): SManga {
-        val manga = SManga.create()
-        val titleElement = element.child(0).child(0)
-        manga.url = titleElement.attr("href")
-        manga.title = titleElement.text().trim()
-        return manga
-    }
-
-    override fun searchMangaNextPageSelector() = ".next"
-
-    override fun popularMangaRequest(page: Int): Request {
-        val urlLang = if (lang == "en") {
-            "eng"
-        } else {
-            "it"
-        }
-        return GET("$baseUrl/$urlLang/")
-    }
-
-    override fun latestUpdatesSelector() = ".newsManga"
-
-    override fun latestUpdatesFromElement(element: Element): SManga {
-        val manga = SManga.create()
-        val header = element.getElementsByClass("manga_tooltop_header").first()
-        val titleElement = header.child(0)
-        manga.url = titleElement.attr("href")
-        manga.title = titleElement.text().trim()
-        manga.thumbnail_url = "https:" + header.parent().selectFirst(".mangaImage img").attr("tmpsrc")
-        return manga
-    }
-
-    override fun latestUpdatesParse(response: Response): MangasPage {
-        val document = response.asJsoup()
-
-        val mangas = document.select(latestUpdatesSelector()).map { element ->
-            latestUpdatesFromElement(element)
-        }
-
-        return MangasPage(mangas, mangas.isNotEmpty())
-    }
-
-    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
-        val uri = Uri.parse("$baseUrl/$lang/$lang-directory/").buildUpon()
-        uri.appendQueryParameter("page", page.toString())
-        uri.appendQueryParameter("title", query)
-        filters.forEach {
-            if (it is UriFilter) it.addToUri(uri)
-        }
-        return GET(uri.toString())
-    }
-
-    override fun latestUpdatesNextPageSelector(): String? {
-        throw NotImplementedError("Unused method called!")
-    }
-
-    /**
-     * Returns an observable with the updated details for a manga. Normally it's not needed to
-     * override this method.
-     *
-     * @param manga the manga to be updated.
-     */
    override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
        return client.newCall(mangaDetailsRequest(manga))
            .asObservableSuccess()
            .flatMap {
-                parseToManga(manga, it.asJsoup()).andThen(
-                    Observable.just(
-                        manga.apply {
-                            initialized = true
-                        }
-                    )
-                )
+                parseToManga(manga, it.asJsoup()).andThen(Observable.just(manga))
            }
    }

-    /**
-     * Parse the supplied input into the supplied metadata object
-     */
    override fun parseIntoMetadata(metadata: PervEdenSearchMetadata, input: Document) {
        with(metadata) {
            url = Uri.parse(input.location()).path
@@ -184,12 +76,18 @@ class PervEden(override val id: Long, val pvLang: PervEdenLang, val context: Con
                        "Artist" -> {
                            if (it is Element && it.tagName() == "a") {
                                artist = it.text()
-                                tags += RaisedTag("artist", it.text().toLowerCase(), TAG_TYPE_VIRTUAL)
+                                tags += RaisedTag(
+                                    "artist", it.text().toLowerCase(),
+                                    RaisedSearchMetadata.TAG_TYPE_VIRTUAL
+                                )
                            }
                        }
                        "Genres" -> {
                            if (it is Element && it.tagName() == "a") {
-                                tags += RaisedTag(null, it.text().toLowerCase(), TAG_TYPE_DEFAULT)
+                                tags += RaisedTag(
+                                    null, it.text().toLowerCase(),
+                                    PervEdenSearchMetadata.TAG_TYPE_DEFAULT
+                                )
                            }
                        }
                        "Type" -> {
@@ -218,137 +116,13 @@ class PervEden(override val id: Long, val pvLang: PervEdenLang, val context: Con
        }
    }

-    override fun mangaDetailsParse(document: Document): SManga = throw UnsupportedOperationException()
-
-    override fun latestUpdatesRequest(page: Int): Request {
-        val num = when (lang) {
-            "en" -> "0"
-            "it" -> "1"
-            else -> throw NotImplementedError("Unimplemented language!")
-        }
-
-        return GET("$baseUrl/ajax/news/$page/$num/0/")
-    }
-
-    override fun chapterListSelector() = "#leftContent > table > tbody > tr"
-
-    override fun chapterFromElement(element: Element) = SChapter.create().apply {
-        val linkElement = element.getElementsByClass("chapterLink").first()
-
-        setUrlWithoutDomain(linkElement.attr("href"))
-        name = "Chapter " + linkElement.getElementsByTag("b").text()
-
-        ChapterRecognition.parseChapterNumber(
-            this,
-            SManga.create().apply {
-                title = ""
-            }
-        )
-
-        try {
-            date_upload = DATE_FORMAT.parse(element.getElementsByClass("chapterDate").first().text().trim())!!.time
-        } catch (ignored: Exception) {
-        }
-    }
-
-    override fun pageListParse(document: Document) = document.getElementById("pageSelect").getElementsByTag("option").map {
-        Page(it.attr("data-page").toInt() - 1, baseUrl + it.attr("value"))
-    }
-
-    override fun imageUrlParse(document: Document) = "http:" + document.getElementById("mainImg").attr("src")!!
-
-    override fun getFilterList() = FilterList(
-        AuthorFilter(),
-        ArtistFilter(),
-        TypeFilterGroup(),
-        ReleaseYearGroup(),
-        StatusFilterGroup()
-    )
-
-    class StatusFilterGroup : UriGroup<StatusFilter>(
-        "Status",
-        listOf(
-            StatusFilter("Ongoing", 1),
-            StatusFilter("Completed", 2),
-            StatusFilter("Suspended", 0)
-        )
-    )
-
-    class StatusFilter(n: String, val id: Int) : Filter.CheckBox(n, false), UriFilter {
-        override fun addToUri(builder: Uri.Builder) {
-            if (state) {
-                builder.appendQueryParameter("status", id.toString())
-            }
-        }
-    }
-
-    // Explicit type arg for listOf() to workaround this: KT-16570
-    class ReleaseYearGroup : UriGroup<Filter<*>>(
-        "Release Year",
-        listOf(
-            ReleaseYearRangeFilter(),
-            ReleaseYearYearFilter()
-        )
-    )
-
-    class ReleaseYearRangeFilter :
-        Filter.Select<String>(
-            "Range",
-            arrayOf(
-                "on",
-                "after",
-                "before"
-            )
-        ),
-        UriFilter {
-        override fun addToUri(builder: Uri.Builder) {
-            builder.appendQueryParameter("releasedType", state.toString())
-        }
-    }
-
-    class ReleaseYearYearFilter : Filter.Text("Year"), UriFilter {
-        override fun addToUri(builder: Uri.Builder) {
-            builder.appendQueryParameter("released", state)
-        }
-    }
-
-    class AuthorFilter : Filter.Text("Author"), UriFilter {
-        override fun addToUri(builder: Uri.Builder) {
-            builder.appendQueryParameter("author", state)
-        }
-    }
-
-    class ArtistFilter : Filter.Text("Artist"), UriFilter {
-        override fun addToUri(builder: Uri.Builder) {
-            builder.appendQueryParameter("artist", state)
-        }
-    }
-
-    class TypeFilterGroup : UriGroup<TypeFilter>(
-        "Type",
-        listOf(
-            TypeFilter("Japanese Manga", 0),
-            TypeFilter("Korean Manhwa", 1),
-            TypeFilter("Chinese Manhua", 2),
-            TypeFilter("Comic", 3),
-            TypeFilter("Doujinshi", 4)
-        )
-    )
-
-    class TypeFilter(n: String, val id: Int) : Filter.CheckBox(n, false), UriFilter {
-        override fun addToUri(builder: Uri.Builder) {
-            if (state) {
-                builder.appendQueryParameter("type", id.toString())
-            }
-        }
-    }
-
    override val matchingHosts = listOf("www.perveden.com")

    override fun matchesUri(uri: Uri): Boolean {
-        return super.matchesUri(uri) && uri.pathSegments.firstOrNull()?.toLowerCase() == when (pvLang) {
-            PervEdenLang.en -> "en-manga"
-            PervEdenLang.it -> "it-manga"
+        return super.matchesUri(uri) && uri.pathSegments.firstOrNull()?.toLowerCase() == when (lang) {
+            "en" -> "en-manga"
+            "it" -> "it-manga"
+            else -> false
        }
    }

@@ -363,10 +137,4 @@ class PervEden(override val id: Long, val pvLang: PervEdenLang, val context: Con
    override fun getDescriptionAdapter(controller: MangaController): PervEdenDescriptionAdapter {
        return PervEdenDescriptionAdapter(controller)
    }
-
-    companion object {
-        val DATE_FORMAT = SimpleDateFormat("MMM d, yyyy", Locale.US).apply {
-            timeZone = TimeZone.getTimeZone("GMT")
-        }
-    }
 }
@@ -2,252 +2,37 @@ package eu.kanade.tachiyomi.source.online.english

 import android.content.Context
 import android.net.Uri
-import com.kizitonwose.time.hours
-import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.asObservableSuccess
-import eu.kanade.tachiyomi.source.model.Filter
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
-import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.LewdSource
 import eu.kanade.tachiyomi.source.online.UrlImportableSource
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.asJsoup
-import exh.EIGHTMUSES_SOURCE_ID
 import exh.metadata.metadata.EightMusesSearchMetadata
 import exh.metadata.metadata.base.RaisedTag
+import exh.source.DelegatedHttpSource
 import exh.ui.metadata.adapters.EightMusesDescriptionAdapter
-import exh.util.CachedField
-import exh.util.NakedTrie
-import exh.util.await
 import exh.util.urlImportFetchSearchManga
-import hu.akarnokd.rxjava.interop.RxJavaInterop
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.async
-import kotlinx.coroutines.rx2.asSingle
-import kotlinx.coroutines.withContext
-import okhttp3.Headers
-import okhttp3.HttpUrl
-import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import okhttp3.Response
-import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
 import rx.Observable
-import rx.schedulers.Schedulers

-typealias SiteMap = NakedTrie<Unit>
-
-class EightMuses(val context: Context) :
-    HttpSource(),
+class EightMuses(delegate: HttpSource, val context: Context) :
+    DelegatedHttpSource(delegate),
    LewdSource<EightMusesSearchMetadata, Document>,
    UrlImportableSource {
-    override val id = EIGHTMUSES_SOURCE_ID
-
-    /**
-     * Name of the source.
-     */
-    override val name = "8muses"
-    /**
-     * Whether the source has support for latest updates.
-     */
-    override val supportsLatest = true
-    /**
-     * An ISO 639-1 compliant language code (two letters in lower case).
-     */
-    override val lang: String = "en"
-
    override val metaClass = EightMusesSearchMetadata::class
+    override val lang = "en"

-    /**
-     * Base url of the website without the trailing slash, like: http://mysite.com
-     */
-    override val baseUrl = EightMusesSearchMetadata.BASE_URL
-
-    private val siteMapCache = CachedField<SiteMap>(1.hours.inMilliseconds.longValue)
-
-    override val client: OkHttpClient
-        get() = network.cloudflareClient
-
-    private suspend fun obtainSiteMap() = siteMapCache.obtain {
-        withContext(Dispatchers.IO) {
-            val result = client.newCall(eightMusesGet("$baseUrl/sitemap/1.xml"))
-                .asObservableSuccess()
-                .toSingle()
-                .await(Schedulers.io())
-                .body!!.string()
-
-            val parsed = Jsoup.parse(result)
-
-            val seen = NakedTrie<Unit>()
-
-            parsed.getElementsByTag("loc").forEach { item ->
-                seen[item.text().substring(22)] = Unit
-            }
-
-            seen
-        }
-    }
-
-    override fun headersBuilder(): Headers.Builder {
-        return Headers.Builder()
-            .add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;")
-            .add("Accept-Language", "en-GB,en-US;q=0.9,en;q=0.8")
-            .add("Referer", "https://www.8muses.com")
-            .add("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36")
-    }
-
-    private fun eightMusesGet(url: String): Request {
-        return GET(url, headers = headersBuilder().build())
-    }
-
-    /**
-     * Returns the request for the popular manga given the page.
-     *
-     * @param page the page number to retrieve.
-     */
-    override fun popularMangaRequest(page: Int) = eightMusesGet("$baseUrl/comics/$page")
-
-    /**
-     * Parses the response from the site and returns a [MangasPage] object.
-     *
-     * @param response the response from the site.
-     */
-    override fun popularMangaParse(response: Response): MangasPage {
-        throw UnsupportedOperationException("Should not be called!")
-    }
-
-    /**
-     * Returns the request for the search manga given the page.
-     *
-     * @param page the page number to retrieve.
-     * @param query the search query.
-     * @param filters the list of filters to apply.
-     */
-    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
-        val urlBuilder = if (!query.isBlank()) {
-            "$baseUrl/search".toHttpUrlOrNull()!!
-                .newBuilder()
-                .addQueryParameter("q", query)
-        } else {
-            "$baseUrl/comics".toHttpUrlOrNull()!!
-                .newBuilder()
+    // Support direct URL importing
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> =
+        urlImportFetchSearchManga(context, query) {
+            super.fetchSearchManga(page, query, filters)
        }

-        urlBuilder.addQueryParameter("page", page.toString())
-
-        filters.filterIsInstance<SortFilter>().map {
-            it.addToUri(urlBuilder)
-        }
-
-        return eightMusesGet(urlBuilder.toString())
-    }
-
-    /**
-     * Parses the response from the site and returns a [MangasPage] object.
-     *
-     * @param response the response from the site.
-     */
-    override fun searchMangaParse(response: Response): MangasPage {
-        throw UnsupportedOperationException("Should not be called!")
-    }
-
-    /**
-     * Returns the request for latest manga given the page.
-     *
-     * @param page the page number to retrieve.
-     */
-    override fun latestUpdatesRequest(page: Int) = eightMusesGet("$baseUrl/comics/lastupdate?page=$page")
-
-    /**
-     * Parses the response from the site and returns a [MangasPage] object.
-     *
-     * @param response the response from the site.
-     */
-    override fun latestUpdatesParse(response: Response): MangasPage {
-        throw UnsupportedOperationException("Should not be called!")
-    }
-
-//    override fun fetchLatestUpdates(page: Int) = fetchListing(latestUpdatesRequest(page), false)
-    override fun fetchLatestUpdates(page: Int) = fetchListing(popularMangaRequest(page), false)
-
-    override fun fetchPopularManga(page: Int) = fetchListing(popularMangaRequest(page), false) // TODO Dig
-
-    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
-        return urlImportFetchSearchManga(context, query) {
-            fetchListing(searchMangaRequest(page, query, filters), false)
-        }
-    }
-
-    private fun fetchListing(request: Request, dig: Boolean): Observable<MangasPage> {
-        return client.newCall(request)
-            .asObservableSuccess()
-            .flatMapSingle { response ->
-                RxJavaInterop.toV1Single(
-                    GlobalScope.async(Dispatchers.IO) {
-                        parseResultsPage(response, dig)
-                    }.asSingle(GlobalScope.coroutineContext)
-                )
-            }
-    }
-
-    private suspend fun parseResultsPage(response: Response, dig: Boolean): MangasPage {
-        val doc = response.asJsoup()
-        val contents = parseSelf(doc)
-
-        val onLastPage = doc.selectFirst(".current:nth-last-child(2)") != null
-
-        return MangasPage(
-            if (dig) {
-                contents.albums.flatMap {
-                    val href = it.attr("href")
-                    val splitHref = href.split('/')
-                    obtainSiteMap().subMap(href).filter {
-                        it.key.split('/').size - splitHref.size == 1
-                    }.map { (key, _) ->
-                        SManga.create().apply {
-                            url = key
-
-                            title = key.substringAfterLast('/').replace('-', ' ')
-                        }
-                    }
-                }
-            } else {
-                contents.albums.map {
-                    SManga.create().apply {
-                        url = it.attr("href")
-
-                        title = it.select(".title-text").text()
-
-                        thumbnail_url = baseUrl + it.select(".lazyload").attr("data-src")
-                    }
-                }
-            },
-            !onLastPage
-        )
-    }
-
-    /**
-     * Parses the response from the site and returns the details of a manga.
-     *
-     * @param response the response from the site.
-     */
-    override fun mangaDetailsParse(response: Response): SManga {
-        throw UnsupportedOperationException("Should not be called!")
-    }
-
-    /**
-     * Returns an observable with the updated details for a manga. Normally it's not needed to
-     * override this method.
-     *
-     * @param manga the manga to be updated.
-     */
    override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
        return client.newCall(mangaDetailsRequest(manga))
            .asObservableSuccess()
@@ -256,46 +41,6 @@ class EightMuses(val context: Context) :
            }
    }

-    /**
-     * Parses the response from the site and returns a list of chapters.
-     *
-     * @param response the response from the site.
-     */
-    override fun chapterListParse(response: Response): List<SChapter> {
-        throw UnsupportedOperationException("Should not be called!")
-    }
-
-    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
-        return RxJavaInterop.toV1Single(
-            GlobalScope.async(Dispatchers.IO) {
-                fetchAndParseChapterList("", manga.url)
-            }.asSingle(GlobalScope.coroutineContext)
-        ).toObservable()
-    }
-
-    private suspend fun fetchAndParseChapterList(prefix: String, url: String): List<SChapter> {
-        // Request
-        val req = eightMusesGet(baseUrl + url)
-
-        return client.newCall(req).asObservableSuccess().toSingle().toBlocking().value().use { response ->
-            val contents = parseSelf(response.asJsoup())
-
-            val out = mutableListOf<SChapter>()
-            if (contents.images.isNotEmpty()) {
-                out += SChapter.create().apply {
-                    this.url = url
-                    this.name = if (prefix.isBlank()) ">" else prefix
-                }
-            }
-
-            val builtPrefix = if (prefix.isBlank()) "> " else "$prefix > "
-
-            out + contents.albums.flatMap { ele ->
-                fetchAndParseChapterList(builtPrefix + ele.selectFirst(".title-text").text(), ele.attr("href"))
-            }
-        }
-    }
-
    data class SelfContents(val albums: List<Element>, val images: List<Element>)

    private fun parseSelf(doc: Document): SelfContents {
@@ -309,22 +54,6 @@ class EightMuses(val context: Context) :
        return SelfContents(selfAlbums, selfImages)
    }

-    /**
-     * Parses the response from the site and returns a list of pages.
-     *
-     * @param response the response from the site.
-     */
-    override fun pageListParse(response: Response): List<Page> {
-        val contents = parseSelf(response.asJsoup())
-        return contents.images.mapIndexed { index, element ->
-            Page(
-                index,
-                element.attr("href"),
-                "$baseUrl/image/fl" + element.select(".lazyload").attr("data-src").substring(9)
-            )
-        }
-    }
-
    override fun parseIntoMetadata(metadata: EightMusesSearchMetadata, input: Document) {
        with(metadata) {
            path = Uri.parse(input.location()).pathSegments
@@ -355,40 +84,9 @@ class EightMuses(val context: Context) :
        }
    }

-    class SortFilter : Filter.Select<String>(
-        "Sort",
-        SORT_OPTIONS.map { it.second }.toTypedArray()
-    ) {
-        fun addToUri(url: HttpUrl.Builder) {
-            url.addQueryParameter("sort", SORT_OPTIONS[state].first)
-        }
-
-        companion object {
-            // <Internal, Display>
-            private val SORT_OPTIONS = listOf(
-                "" to "Views",
-                "like" to "Likes",
-                "date" to "Date",
-                "az" to "A-Z"
-            )
-        }
-    }
-
-    override fun getFilterList() = FilterList(
-        SortFilter()
-    )
-
-    /**
-     * Parses the response from the site and returns the absolute url to the source image.
-     *
-     * @param response the response from the site.
-     */
-    override fun imageUrlParse(response: Response): String {
-        throw UnsupportedOperationException("Should not be called!")
-    }
-
    override val matchingHosts = listOf(
        "www.8muses.com",
+        "comics.8muses.com",
        "8muses.com"
    )

@@ -0,0 +1,3 @@
+package eu.kanade.tachiyomi.ui.base.controller
+
+interface ToolbarLiftOnScrollController
@@ -47,14 +47,15 @@ class ExtensionHolder(view: View, override val adapter: ExtensionAdapter) :
        version.text = extension.versionName
        lang.text = LocaleHelper.getSourceDisplayName(extension.lang, itemView.context)
        warning.text = when {
-            extension is Extension.Untrusted -> itemView.context.getString(R.string.ext_untrusted).toUpperCase()
-            extension is Extension.Installed && extension.isObsolete -> itemView.context.getString(R.string.ext_obsolete).toUpperCase()
-            extension is Extension.Installed && extension.isUnofficial -> itemView.context.getString(R.string.ext_unofficial).toUpperCase()
+            extension is Extension.Untrusted -> itemView.context.getString(R.string.ext_untrusted)
+            extension is Extension.Installed && extension.isObsolete -> itemView.context.getString(R.string.ext_obsolete)
+            extension is Extension.Installed && extension.isUnofficial -> itemView.context.getString(R.string.ext_unofficial)
            // SY -->
-            extension is Extension.Installed && extension.isRedundant -> itemView.context.getString(R.string.ext_redundant).toUpperCase()
+            extension is Extension.Installed && extension.isRedundant -> itemView.context.getString(R.string.ext_redundant)
            // SY <--
-            else -> null
-        }
+            extension.isNsfw -> itemView.context.getString(R.string.ext_nsfw_short)
+            else -> ""
+        }.toUpperCase()

        GlideApp.with(itemView.context).clear(image)
        if (extension is Extension.Available) {
@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.browse.extension
 import android.app.Application
 import android.os.Bundle
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferenceValues
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.extension.model.Extension
@@ -55,20 +56,22 @@ open class ExtensionPresenter(
    private fun toItems(tuple: ExtensionTuple): List<ExtensionItem> {
        val context = Injekt.get<Application>()
        val activeLangs = preferences.enabledLanguages().get()
+        val showNsfwExtensions = preferences.allowNsfwSource().get() != PreferenceValues.NsfwAllowance.BLOCKED

        val (installed, untrusted, available) = tuple

        val items = mutableListOf<ExtensionItem>()

-        val updatesSorted = installed.filter { it.hasUpdate }.sortedBy { it.pkgName }
-        val installedSorted = installed.filter { !it.hasUpdate }.sortedWith(compareBy({ !it.isObsolete /* SY --> */ && !it.isRedundant /* SY <-- */ }, { it.pkgName }))
+        val updatesSorted = installed.filter { it.hasUpdate && (showNsfwExtensions || !it.isNsfw) }.sortedBy { it.pkgName }
+        val installedSorted = installed.filter { !it.hasUpdate && (showNsfwExtensions || !it.isNsfw) }.sortedWith(compareBy({ !it.isObsolete /* SY --> */ && !it.isRedundant /* SY <-- */ }, { it.pkgName }))
        val untrustedSorted = untrusted.sortedBy { it.pkgName }
        val availableSorted = available
            // Filter out already installed extensions and disabled languages
            .filter { avail ->
                installed.none { it.pkgName == avail.pkgName } &&
                    untrusted.none { it.pkgName == avail.pkgName } &&
-                    (avail.lang in activeLangs || avail.lang == "all")
+                    (avail.lang in activeLangs || avail.lang == "all") &&
+                    (showNsfwExtensions || !avail.isNsfw)
            }
            .sortedBy { it.pkgName }

@@ -34,8 +34,8 @@ import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.source.ConfigurableSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.getPreferenceKey
-import eu.kanade.tachiyomi.ui.base.controller.NoToolbarElevationController
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
+import eu.kanade.tachiyomi.ui.base.controller.ToolbarLiftOnScrollController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
 import eu.kanade.tachiyomi.util.preference.DSL
 import eu.kanade.tachiyomi.util.preference.onChange
@@ -50,7 +50,7 @@ import uy.kohesive.injekt.injectLazy
@SuppressLint("RestrictedApi")
 class ExtensionDetailsController(bundle: Bundle? = null) :
    NucleusController<ExtensionDetailControllerBinding, ExtensionDetailsPresenter>(bundle),
-    NoToolbarElevationController {
+    ToolbarLiftOnScrollController {

    private val preferences: PreferencesHelper by injectLazy()

@@ -42,6 +42,7 @@ class ExtensionDetailsHeaderAdapter(private val presenter: ExtensionDetailsPrese
            binding.extensionTitle.text = extension.name
            binding.extensionVersion.text = context.getString(R.string.ext_version_info, extension.versionName)
            binding.extensionLang.text = context.getString(R.string.ext_language_info, LocaleHelper.getSourceDisplayName(extension.lang, context))
+            binding.extensionNsfw.isVisible = extension.isNsfw
            binding.extensionPkg.text = extension.pkgName

            binding.extensionUninstallButton.clicks()
@@ -373,10 +373,10 @@ class MigrationListController(bundle: Bundle? = null) :
        launchUI {
            val result = CoroutineScope(migratingManga.manga.migrationJob).async {
                val localManga = smartSearchEngine.networkToLocalManga(manga, source.id)
-                val chapters = source.fetchChapterList(localManga).toSingle().await(
-                    Schedulers.io()
-                )
                try {
+                    val chapters = source.fetchChapterList(localManga).toSingle().await(
+                        Schedulers.io()
+                    )
                    syncChaptersWithSource(db, chapters, localManga, source)
                } catch (e: Exception) {
                    return@async null
@@ -460,10 +460,6 @@ class MigrationListController(bundle: Bundle? = null) :
        return true
    }

-    override fun onDestroyView(view: View) {
-        super.onDestroyView(view)
-    }
-
    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
        inflater.inflate(R.menu.migration_list, menu)
    }
@@ -207,7 +207,7 @@ class SourceController(bundle: Bundle? = null) :
        )
        // SY <--

-        SourceOptionsDialog(item, items).showDialog(router)
+        SourceOptionsDialog(item.source.toString(), items).showDialog(router)
    }

    private fun disableSource(source: Source) {
@@ -396,17 +396,17 @@ class SourceController(bundle: Bundle? = null) :

    class SourceOptionsDialog(bundle: Bundle? = null) : DialogController(bundle) {

-        private lateinit var item: SourceItem
+        private lateinit var source: String
        private lateinit var items: List<Pair<String, () -> Unit>>

-        constructor(item: SourceItem, items: List<Pair<String, () -> Unit>>) : this() {
-            this.item = item
+        constructor(source: String, items: List<Pair<String, () -> Unit>>) : this() {
+            this.source = source
            this.items = items
        }

        override fun onCreateDialog(savedViewState: Bundle?): Dialog {
            return MaterialDialog(activity!!)
-                .title(text = item.source.toString())
+                .title(text = source)
                .listItems(
                    items = items.map { it.first },
                    waitForPositiveButton = false
@@ -56,6 +56,7 @@ import eu.kanade.tachiyomi.widget.EmptyView
 import exh.EXHSavedSearch
 import exh.isEhBasedSource
 import kotlinx.android.parcel.Parcelize
+import kotlinx.android.synthetic.main.main_activity.root_coordinator
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.drop
 import kotlinx.coroutines.flow.filter
@@ -578,7 +579,7 @@ open class BrowseSourceController(bundle: Bundle) :

            binding.emptyView.show(message, actions)
        } else {
-            snack = binding.catalogueView.snack(message, Snackbar.LENGTH_INDEFINITE) {
+            snack = activity!!.root_coordinator?.snack(message, Snackbar.LENGTH_INDEFINITE) {
                setAction(R.string.action_retry, retryAction)
            }
        }
@@ -106,16 +106,10 @@ open class GlobalSearchPresenter(
        val disabledSourceIds = preferences.disabledSources().get()
        val pinnedSourceIds = preferences.pinnedSources().get()

-        val list = sourceManager.getVisibleCatalogueSources()
+        return sourceManager.getVisibleCatalogueSources()
            .filter { it.lang in languages }
            .filterNot { it.id.toString() in disabledSourceIds }
-            .sortedBy { "(${it.lang}) ${it.name}" }
-
-        return if (preferences.searchPinnedSourcesOnly()) {
-            list.filter { it.id.toString() in pinnedSourceIds }
-        } else {
-            list.sortedBy { it.id.toString() !in pinnedSourceIds }
-        }
+            .sortedWith(compareBy({ it.id.toString() !in pinnedSourceIds }, { "${it.name} (${it.lang})" }))
    }

    private fun getSourcesToQuery(): List<CatalogueSource> {
@@ -169,6 +163,8 @@ open class GlobalSearchPresenter(
        val initialItems = sources.map { createCatalogueSearchItem(it, null) }
        var items = initialItems

+        val pinnedSourceIds = preferences.pinnedSources().get()
+
        fetchSourcesSubscription?.unsubscribe()
        fetchSourcesSubscription = Observable.from(sources)
            .flatMap(
@@ -186,7 +182,17 @@ open class GlobalSearchPresenter(
            .observeOn(AndroidSchedulers.mainThread())
            // Update matching source with the obtained results
            .map { result ->
-                items.map { item -> if (item.source == result.source) result else item }
+                items
+                    .map { item -> if (item.source == result.source) result else item }
+                    .sortedWith(
+                        compareBy(
+                            // Bubble up sources that actually have results
+                            { it.results.isNullOrEmpty() },
+                            // Same as initial sort, i.e. pinned first then alphabetically
+                            { it.source.id.toString() !in pinnedSourceIds },
+                            { "${it.source.name} (${it.source.lang})" }
+                        )
+                    )
            }
            // Update current state
            .doOnNext { items = it }
@@ -1,14 +1,23 @@
 package eu.kanade.tachiyomi.ui.library

-import com.pushtorefresh.storio.sqlite.queries.RawQuery
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.database.tables.MangaTable
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.source.model.Filter
 import eu.kanade.tachiyomi.ui.category.CategoryAdapter
 import exh.isLewdSource
-import exh.metadata.sql.tables.SearchMetadataTable
+import exh.metadata.sql.models.SearchTag
+import exh.metadata.sql.models.SearchTitle
+import exh.search.Namespace
+import exh.search.QueryComponent
 import exh.search.SearchEngine
+import exh.search.Text
 import exh.util.await
 import exh.util.cancellable
 import kotlinx.coroutines.CancellationException
@@ -29,12 +38,18 @@ import uy.kohesive.injekt.injectLazy
 *
 * @param view the fragment containing this adapter.
 */
-class LibraryCategoryAdapter(view: LibraryCategoryView) :
+class LibraryCategoryAdapter(view: LibraryCategoryView, val controller: LibraryController) :
    FlexibleAdapter<LibraryItem>(null, view, true) {
    // EXH -->
    private val db: DatabaseHelper by injectLazy()
    private val searchEngine = SearchEngine()
    private var lastFilterJob: Job? = null
+    private val sourceManager: SourceManager by injectLazy()
+    private val trackManager: TrackManager by injectLazy()
+    private val preferences: PreferencesHelper by injectLazy()
+    private val hasLoggedServices by lazy {
+        trackManager.hasLoggedServices()
+    }

    // Keep compatibility as searchText field was replaced when we upgraded FlexibleAdapter
    var searchText
@@ -58,11 +73,11 @@ class LibraryCategoryAdapter(view: LibraryCategoryView) :
     *
     * @param list the list to set.
     */
-    suspend fun setItems(cScope: CoroutineScope, list: List<LibraryItem>) {
+    suspend fun setItems(scope: CoroutineScope, list: List<LibraryItem>) {
        // A copy of manga always unfiltered.
        mangas = list.toList()

-        performFilter(cScope)
+        performFilter(scope)
    }

    /**
@@ -74,28 +89,30 @@ class LibraryCategoryAdapter(view: LibraryCategoryView) :
        return currentItems.indexOfFirst { it.manga.id == manga.id }
    }

+    fun canDrag() = (mode != Mode.MULTI || (mode == Mode.MULTI && selectedItemCount == 1)) &&
+        searchText.isBlank() &&
+        preferences.groupLibraryBy().get() == LibraryGroup.BY_DEFAULT &&
+        !preferences.downloadedOnly().get() &&
+        preferences.filterDownloaded().get() == Filter.TriState.STATE_IGNORE &&
+        preferences.filterCompleted().get() == Filter.TriState.STATE_IGNORE &&
+        preferences.filterUnread().get() == Filter.TriState.STATE_IGNORE &&
+        preferences.filterTracked().get() == Filter.TriState.STATE_IGNORE &&
+        preferences.filterLewd().get() == Filter.TriState.STATE_IGNORE
+
    // EXH -->
    // Note that we cannot use FlexibleAdapter's built in filtering system as we cannot cancel it
    //   (well technically we can cancel it by invoking filterItems again but that doesn't work when
    //    we want to perform a no-op filter)
-    suspend fun performFilter(cScope: CoroutineScope) {
+    suspend fun performFilter(scope: CoroutineScope) {
+        isLongPressDragEnabled = canDrag()
        lastFilterJob?.cancel()
        if (mangas.isNotEmpty() && searchText.isNotBlank()) {
            val savedSearchText = searchText

-            val job = cScope.launch(Dispatchers.IO) {
+            val job = scope.launch(Dispatchers.IO) {
                val newManga = try {
                    // Prepare filter object
                    val parsedQuery = searchEngine.parseQuery(savedSearchText)
-                    val sqlQuery = searchEngine.queryToSql(parsedQuery)
-                    val queryResult = db.lowLevel().rawQuery(
-                        RawQuery.builder()
-                            .query(sqlQuery.first)
-                            .args(*sqlQuery.second.toTypedArray())
-                            .build()
-                    )
-
-                    ensureActive() // Fail early when cancelled

                    val mangaWithMetaIdsQuery = db.getIdsOfFavoriteMangaWithMetadata().await()
                    val mangaWithMetaIds = LongArray(mangaWithMetaIdsQuery.count)
@@ -112,33 +129,20 @@ class LibraryCategoryAdapter(view: LibraryCategoryView) :

                    ensureActive() // Fail early when cancelled

-                    val convertedResult = LongArray(queryResult.count)
-                    if (convertedResult.isNotEmpty()) {
-                        val mangaIdCol = queryResult.getColumnIndex(SearchMetadataTable.COL_MANGA_ID)
-                        queryResult.moveToFirst()
-                        while (!queryResult.isAfterLast) {
-                            ensureActive() // Fail early when cancelled
-
-                            convertedResult[queryResult.position] = queryResult.getLong(mangaIdCol)
-                            queryResult.moveToNext()
-                        }
-                    }
-
-                    ensureActive() // Fail early when cancelled
-
                    // Flow the mangas to allow cancellation of this filter operation
                    mangas.asFlow().cancellable().filter { item ->
                        if (isLewdSource(item.manga.source)) {
                            val mangaId = item.manga.id ?: -1
-                            if (convertedResult.binarySearch(mangaId) < 0) {
-                                // Check if this manga even has metadata
-                                if (mangaWithMetaIds.binarySearch(mangaId) < 0) {
-                                    // No meta? Filter using title
-                                    item.filter(savedSearchText)
-                                } else false
-                            } else true
+                            if (mangaWithMetaIds.binarySearch(mangaId) < 0) {
+                                // No meta? Filter using title
+                                filterManga(parsedQuery, item.manga)
+                            } else {
+                                val tags = db.getSearchTagsForManga(mangaId).await()
+                                val titles = db.getSearchTitlesForManga(mangaId).await()
+                                filterManga(parsedQuery, item.manga, false, tags, titles)
+                            }
                        } else {
-                            item.filter(savedSearchText)
+                            filterManga(parsedQuery, item.manga)
                        }
                    }.toList()
                } catch (e: Exception) {
@@ -159,5 +163,82 @@ class LibraryCategoryAdapter(view: LibraryCategoryView) :
            updateDataSet(mangas)
        }
    }
+
+    private suspend fun filterManga(queries: List<QueryComponent>, manga: LibraryManga, checkGenre: Boolean = true, searchTags: List<SearchTag>? = null, searchTitles: List<SearchTitle>? = null): Boolean {
+        val mappedQueries = queries.groupBy { it.excluded }
+        val tracks = if (hasLoggedServices) db.getTracks(manga).await().toList() else null
+        val source = sourceManager.get(manga.source)
+        val genre = if (checkGenre) manga.getGenres() else null
+        val hasNormalQuery = mappedQueries[false]?.all { queryComponent ->
+            when (queryComponent) {
+                is Text -> {
+                    val query = queryComponent.asQuery()
+                    manga.title.contains(query, true) ||
+                        (manga.author?.contains(query, true) == true) ||
+                        (manga.artist?.contains(query, true) == true) ||
+                        (source?.name?.contains(query, true) == true) ||
+                        (hasLoggedServices && tracks != null && filterTracks(query, tracks)) ||
+                        (genre != null && genre.any { it.contains(query, true) }) ||
+                        (searchTags != null && searchTags.any { it.name.contains(query, true) }) ||
+                        (searchTitles != null && searchTitles.any { it.title.contains(query, true) })
+                }
+                is Namespace -> {
+                    searchTags != null && searchTags.any {
+                        val tag = queryComponent.tag
+                        (it.namespace != null && it.namespace.contains(queryComponent.namespace, true) && tag != null && it.name.contains(tag.asQuery(), true)) ||
+                            (tag == null && it.namespace != null && it.namespace.contains(queryComponent.namespace, true))
+                    }
+                }
+                else -> true
+            }
+        }
+        val doesNotHaveExcludedQuery = mappedQueries[true]?.all { queryComponent ->
+            when (queryComponent) {
+                is Text -> {
+                    val query = queryComponent.asQuery()
+                    query.isBlank() || (
+                        (!manga.title.contains(query, true)) &&
+                            (manga.author == null || (manga.author?.contains(query, true) == false)) &&
+                            (manga.artist == null || (manga.artist?.contains(query, true) == false)) &&
+                            (source == null || !source.name.contains(query, true)) &&
+                            (hasLoggedServices && tracks != null && !filterTracks(query, tracks)) &&
+                            (genre == null || genre.all { !it.contains(query, true) }) &&
+                            (searchTags == null || searchTags.all { !it.name.contains(query, true) }) ||
+                            (searchTitles == null || searchTitles.all { !it.title.contains(query, true) })
+                        )
+                }
+                is Namespace -> {
+                    Timber.d(manga.title)
+                    val tag = queryComponent.tag?.asQuery()
+                    searchTags == null || searchTags.all {
+                        if (tag == null || tag.isBlank()) {
+                            it.namespace == null || !it.namespace.contains(queryComponent.namespace, true)
+                        } else if (it.namespace == null) {
+                            true
+                        } else {
+                            !(it.name.contains(tag, true) && it.namespace.contains(queryComponent.namespace, true))
+                        }
+                    }
+                }
+                else -> true
+            }
+        }
+
+        return (hasNormalQuery != null && doesNotHaveExcludedQuery != null && hasNormalQuery && doesNotHaveExcludedQuery) ||
+            (hasNormalQuery != null && doesNotHaveExcludedQuery == null && hasNormalQuery) ||
+            (hasNormalQuery == null && doesNotHaveExcludedQuery != null && doesNotHaveExcludedQuery)
+    }
+
+    private fun filterTracks(constraint: String, tracks: List<Track>): Boolean {
+        return tracks.any {
+            val trackService = trackManager.getService(it.sync_id)
+            if (trackService != null) {
+                val status = trackService.getStatus(it.status)
+                val name = trackService.name
+                return@any status.contains(constraint, true) || name.contains(constraint, true)
+            }
+            return@any false
+        }
+    }
    // EXH <--
 }
@@ -21,7 +21,6 @@ import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.inflate
 import eu.kanade.tachiyomi.widget.AutofitRecyclerView
 import exh.ui.LoadingHandle
-import exh.util.removeArticles
 import java.util.concurrent.TimeUnit
 import kotlinx.android.synthetic.main.library_category.view.fast_scroller
 import kotlinx.android.synthetic.main.library_category.view.swipe_refresh
@@ -38,6 +37,7 @@ import reactivecircus.flowbinding.recyclerview.scrollStateChanges
 import reactivecircus.flowbinding.swiperefreshlayout.refreshes
 import rx.android.schedulers.AndroidSchedulers
 import rx.subscriptions.CompositeSubscription
+import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy

 /**
@@ -56,6 +56,8 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att

    private val preferences: PreferencesHelper by injectLazy()

+    private val db: DatabaseHelper by injectLazy()
+
    /**
     * The fragment containing this view.
     */
@@ -86,7 +88,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att

    // EXH -->
    private var initialLoadHandle: LoadingHandle? = null
-    lateinit var scope2: CoroutineScope
+    private lateinit var supervisorScope: CoroutineScope

    private fun newScope() = object : CoroutineScope {
        override val coroutineContext = SupervisorJob() + Dispatchers.Main
@@ -106,7 +108,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
            }
        }

-        adapter = LibraryCategoryAdapter(this)
+        adapter = LibraryCategoryAdapter(this, controller)

        recycler.setHasFixedSize(true)
        recycler.adapter = adapter
@@ -126,7 +128,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
        swipe_refresh.setDistanceToTriggerSync((2 * 64 * resources.displayMetrics.density).toInt())
        swipe_refresh.refreshes()
            .onEach {
-                if (LibraryUpdateService.start(context, category)) {
+                if (LibraryUpdateService.start(context, if (preferences.groupLibraryBy().get() == LibraryGroup.BY_DEFAULT) category else null)) {
                    context.toast(R.string.updating_category)
                }

@@ -145,12 +147,11 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
            SelectableAdapter.Mode.SINGLE
        }
        // SY -->
-        val sortingMode = preferences.librarySortingMode().get()
-        adapter.isLongPressDragEnabled = sortingMode == LibrarySort.DRAG_AND_DROP
+        adapter.isLongPressDragEnabled = adapter.canDrag()
        // SY <--

        // EXH -->
-        scope2 = newScope()
+        supervisorScope = newScope()
        initialLoadHandle = controller.loaderManager.openProgressBar()
        // EXH <--

@@ -161,7 +162,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe {
                // EXH -->
-                scope2.launch {
+                supervisorScope.launch {
                    val handle = controller.loaderManager.openProgressBar()
                    try {
                        // EXH <--
@@ -177,7 +178,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
        subscriptions += controller.libraryMangaRelay
            .subscribe {
                // EXH -->
-                scope2.launch {
+                supervisorScope.launch {
                    try {
                        // EXH <--
                        onNextLibraryManga(this, it)
@@ -209,33 +210,6 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
                }
                controller.invalidateActionMode()
            }
-
-        // SY -->
-        subscriptions += controller.reorganizeRelay
-            .subscribe {
-                if (it.first == category.id) {
-                    var items = when (it.second) {
-                        1, 2 -> adapter.currentItems.sortedBy {
-//                                if (preferences.removeArticles().getOrDefault())
-                            it.manga.title.removeArticles()
-//                                else
-//                                    it.manga.title
-                        }
-                        3, 4 -> adapter.currentItems.sortedBy { it.manga.last_update }
-                        else -> {
-                            adapter.currentItems.sortedBy { it.manga.title }
-                        }
-                    }
-                    if (it.second % 2 == 0) {
-                        items = items.reversed()
-                    }
-                    runBlocking { adapter.setItems(this, items) }
-                    adapter.notifyDataSetChanged()
-                }
-                controller.invalidateActionMode()
-            }
-//        }
-        // SY <--
    }

    fun onRecycle() {
@@ -249,7 +223,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
    fun unsubscribe() {
        subscriptions.clear()
        // EXH -->
-        scope2.cancel()
+        supervisorScope.cancel()
        controller.loaderManager.closeProgressBar(initialLoadHandle)
        // EXH <--
    }
@@ -264,18 +238,16 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
        // Get the manga list for this category.
        // SY -->
        val sortingMode = preferences.librarySortingMode().get()
-        adapter.isLongPressDragEnabled = sortingMode == LibrarySort.DRAG_AND_DROP
+        adapter.isLongPressDragEnabled = adapter.canDrag()
        var mangaForCategory = event.getMangaForCategory(category).orEmpty()
        if (sortingMode == LibrarySort.DRAG_AND_DROP) {
-            if (category.name == "Default") {
-                category.mangaOrder = preferences.defaultMangaOrder().get().split("/")
+            if (category.id == 0) {
+                category.mangaOrder = preferences.defaultMangaOrder().get()
+                    .split("/")
                    .mapNotNull { it.toLongOrNull() }
            }
            mangaForCategory = mangaForCategory.sortedBy {
-                category.mangaOrder.indexOf(
-                    it.manga
-                        .id
-                )
+                category.mangaOrder.indexOf(it.manga.id)
            }
        }
        // SY <--
@@ -307,7 +279,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
                if (adapter.mode != SelectableAdapter.Mode.MULTI) {
                    adapter.mode = SelectableAdapter.Mode.MULTI
                    // SY -->
-                    adapter.isLongPressDragEnabled = false
+                    adapter.isLongPressDragEnabled = adapter.canDrag()
                    // SY <--
                }
                findAndToggleSelection(event.manga)
@@ -318,8 +290,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
                if (controller.selectedMangas.isEmpty()) {
                    adapter.mode = SelectableAdapter.Mode.SINGLE
                    // SY -->
-                    adapter.isLongPressDragEnabled = preferences.librarySortingMode()
-                        .get() == LibrarySort.DRAG_AND_DROP
+                    adapter.isLongPressDragEnabled = adapter.canDrag()
                    // SY <--
                }
            }
@@ -328,8 +299,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
                adapter.clearSelection()
                lastClickPosition = -1
                // SY -->
-                adapter.isLongPressDragEnabled = preferences.librarySortingMode()
-                    .get() == LibrarySort.DRAG_AND_DROP
+                adapter.isLongPressDragEnabled = adapter.canDrag()
                // SY <--
            }
        }
@@ -375,7 +345,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
    override fun onItemLongClick(position: Int) {
        controller.createActionModeIfNeeded()
        // SY -->
-        adapter.isLongPressDragEnabled = false
+        adapter.isLongPressDragEnabled = adapter.canDrag()
        // SY <--
        when {
            lastClickPosition == -1 -> setSelection(position)
@@ -390,29 +360,12 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
        lastClickPosition = position
    }
    // SY -->
-    override fun onItemMove(fromPosition: Int, toPosition: Int) {
-    }
-
    override fun onItemReleased(position: Int) {
-        if (adapter.selectedItemCount == 0) {
-            val mangaIds = adapter.currentItems.mapNotNull { it.manga.id }
-            category.mangaOrder = mangaIds
-            val db: DatabaseHelper by injectLazy()
-            if (category.name == "Default") {
-                preferences.defaultMangaOrder().set(mangaIds.joinToString("/"))
-            } else {
-                db.insertCategory(category).asRxObservable().subscribe()
-            }
-        }
+        return
    }

    override fun shouldMoveItem(fromPosition: Int, toPosition: Int): Boolean {
-        if (adapter.selectedItemCount > 1) {
-            return false
-        }
-        if (adapter.isSelected(fromPosition)) {
-            toggleSelection(fromPosition)
-        }
+        if (adapter.isSelected(fromPosition)) toggleSelection(fromPosition)
        return true
    }

@@ -422,6 +375,23 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
            onItemLongClick(position)
        }
    }
+
+    override fun onItemMove(fromPosition: Int, toPosition: Int) {
+        if (fromPosition == toPosition) return
+        controller.invalidateActionMode()
+        val mangaIds = adapter.currentItems.mapNotNull { it.manga.id }
+        category.mangaOrder = mangaIds
+        if (category.id == 0) {
+            preferences.defaultMangaOrder().set(mangaIds.joinToString("/"))
+        } else {
+            db.insertCategory(category).asRxObservable().subscribe()
+        }
+        if (preferences.librarySortingMode().get() != LibrarySort.DRAG_AND_DROP) {
+            preferences.librarySortingAscending().set(true)
+            preferences.librarySortingMode().set(LibrarySort.DRAG_AND_DROP)
+            controller.refreshSort()
+        }
+    }
    // SY <--

    /**
@@ -13,9 +13,13 @@ import kotlinx.android.synthetic.main.source_comfortable_grid_item.badges
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.card
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.download_text
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.local_text
+import kotlinx.android.synthetic.main.source_comfortable_grid_item.play_layout
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.thumbnail
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.title
 import kotlinx.android.synthetic.main.source_comfortable_grid_item.unread_text
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import reactivecircus.flowbinding.android.view.clicks

 /**
 * Class used to hold the displayed data of a manga in the library, like the cover or the title.
@@ -31,6 +35,16 @@ class LibraryComfortableGridHolder(
    adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>
 ) : LibraryCompactGridHolder(view, adapter) {

+    // SY -->
+    init {
+        play_layout.clicks()
+            .onEach {
+                playButtonClicked()
+            }
+            .launchIn((adapter as LibraryCategoryAdapter).controller.scope)
+    }
+    // SY <--
+
    /**
     * Method called from [LibraryCategoryAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -38,6 +52,9 @@ class LibraryComfortableGridHolder(
     * @param item the manga item to bind.
     */
    override fun onSetValues(item: LibraryItem) {
+        // SY -->
+        manga = item.manga
+        // SY <--
        // Update the title of the manga.
        title.text = item.manga.title

@@ -57,6 +74,10 @@ class LibraryComfortableGridHolder(
        // set local visibility if its local manga
        local_text.isVisible = item.manga.isLocal()

+        // SY -->
+        play_layout.isVisible = (item.manga.unread > 0 && item.startReadingButton)
+        // SY <--
+
        // For rounded corners
        card.clipToOutline = true

@@ -6,6 +6,7 @@ import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.items.IFlexible
+import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.glide.GlideApp
 import eu.kanade.tachiyomi.data.glide.toMangaThumbnail
 import eu.kanade.tachiyomi.util.isLocal
@@ -13,9 +14,13 @@ import kotlinx.android.synthetic.main.source_compact_grid_item.badges
 import kotlinx.android.synthetic.main.source_compact_grid_item.card
 import kotlinx.android.synthetic.main.source_compact_grid_item.download_text
 import kotlinx.android.synthetic.main.source_compact_grid_item.local_text
+import kotlinx.android.synthetic.main.source_compact_grid_item.play_layout
 import kotlinx.android.synthetic.main.source_compact_grid_item.thumbnail
 import kotlinx.android.synthetic.main.source_compact_grid_item.title
 import kotlinx.android.synthetic.main.source_compact_grid_item.unread_text
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import reactivecircus.flowbinding.android.view.clicks

 /**
 * Class used to hold the displayed data of a manga in the library, like the cover or the title.
@@ -33,6 +38,18 @@ open class LibraryCompactGridHolder(
    // SY <--
 ) : LibraryHolder(view, adapter) {

+    var manga: Manga? = null
+
+    // SY -->
+    init {
+        play_layout.clicks()
+            .onEach {
+                playButtonClicked()
+            }
+            .launchIn((adapter as LibraryCategoryAdapter).controller.scope)
+    }
+    // SY <--
+
    /**
     * Method called from [LibraryCategoryAdapter.onBindViewHolder]. It updates the data for this
     * holder with the given manga.
@@ -40,6 +57,9 @@ open class LibraryCompactGridHolder(
     * @param item the manga item to bind.
     */
    override fun onSetValues(item: LibraryItem) {
+        // SY -->
+        manga = item.manga
+        // SY <--
        // Update the title of the manga.
        title.text = item.manga.title

@@ -59,6 +79,10 @@ open class LibraryCompactGridHolder(
        // set local visibility if its local manga
        local_text.isVisible = item.manga.isLocal()

+        // SY -->
+        play_layout.isVisible = (item.manga.unread > 0 && item.startReadingButton)
+        // SY <--
+
        // For rounded corners
        card.clipToOutline = true

@@ -71,4 +95,10 @@ open class LibraryCompactGridHolder(
            .dontAnimate()
            .into(thumbnail)
    }
+
+    // SY -->
+    fun playButtonClicked() {
+        manga?.let { (adapter as LibraryCategoryAdapter).controller.startReading(it, (adapter as LibraryCategoryAdapter)) }
+    }
+    // SY <--
 }
@@ -21,6 +21,7 @@ import com.google.android.material.tabs.TabLayout
 import com.jakewharton.rxrelay.BehaviorRelay
 import com.jakewharton.rxrelay.PublishRelay
 import com.tfcporciuncula.flow.Preference
+import eu.davidea.flexibleadapter.SelectableAdapter
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Category
 import eu.kanade.tachiyomi.data.database.models.Manga
@@ -39,10 +40,16 @@ import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchController
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.main.offsetAppbarHeight
 import eu.kanade.tachiyomi.ui.manga.MangaController
+import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.toast
+import exh.EH_SOURCE_ID
+import exh.EXH_SOURCE_ID
+import exh.PERV_EDEN_EN_SOURCE_ID
+import exh.PERV_EDEN_IT_SOURCE_ID
 import exh.favorites.FavoritesIntroDialog
 import exh.favorites.FavoritesSyncStatus
+import exh.nHentaiSourceIds
 import exh.ui.LoaderManager
 import java.util.concurrent.TimeUnit
 import kotlinx.android.synthetic.main.main_activity.tabs
@@ -113,13 +120,6 @@ class LibraryController(
     */
    val selectInverseRelay: PublishRelay<Int> = PublishRelay.create()

-    // SY -->
-    /**
-     * Relay to notify the library's viewpager to reotagnize all
-     */
-    val reorganizeRelay: PublishRelay<Pair<Int, Int>> = PublishRelay.create()
-    // SY <--
-
    /**
     * Number of manga per row in grid mode.
     */
@@ -215,7 +215,13 @@ class LibraryController(
                is LibrarySettingsSheet.Sort.SortGroup -> onSortChanged()
                is LibrarySettingsSheet.Display.DisplayGroup -> reattachAdapter()
                is LibrarySettingsSheet.Display.BadgeGroup -> onBadgeSettingChanged()
+                // SY -->
+                is LibrarySettingsSheet.Display.ButtonsGroup -> onButtonSettingChanged()
+                // SY <--
                is LibrarySettingsSheet.Display.TabsGroup -> onTabsSettingsChanged()
+                // SY -->
+                is LibrarySettingsSheet.Grouping.InternalGroup -> onGroupSettingChanged()
+                // SY <--
            }
        }

@@ -338,6 +344,16 @@ class LibraryController(
        presenter.requestBadgesUpdate()
    }

+    // SY -->
+    private fun onButtonSettingChanged() {
+        presenter.requestButtonsUpdate()
+    }
+
+    private fun onGroupSettingChanged() {
+        presenter.requestGroupsUpdate()
+    }
+    // SY <--
+
    private fun onTabsSettingsChanged() {
        tabsVisibilityRelay.call(preferences.categoryTabs().get() && adapter?.categories?.size ?: 0 > 1)
        updateTitle()
@@ -391,11 +407,6 @@ class LibraryController(
    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
        inflater.inflate(R.menu.library, menu)

-        // SY -->
-        val reorganizeItem = menu.findItem(R.id.action_reorganize)
-        reorganizeItem.isVisible = preferences.librarySortingMode().get() == LibrarySort.DRAG_AND_DROP
-        // SY <--
-
        val searchItem = menu.findItem(R.id.action_search)
        val searchView = searchItem.actionView as SearchView
        searchView.maxWidth = Int.MAX_VALUE
@@ -483,24 +494,12 @@ class LibraryController(
                    presenter.favoritesSync.runSync()
                }
            }
-            R.id.action_alpha_asc -> reOrder(1)
-            R.id.action_alpha_dsc -> reOrder(2)
-            R.id.action_update_asc -> reOrder(3)
-            R.id.action_update_dsc -> reOrder(4)
            // SY <--
        }

        return super.onOptionsItemSelected(item)
    }

-    // SY -->
-    private fun reOrder(type: Int) {
-        adapter?.categories?.getOrNull(binding.libraryPager.currentItem)?.id?.let {
-            reorganizeRelay.call(it to type)
-        }
-    }
-    // SY <--
-
    /**
     * Invalidates the action mode, forcing it to refresh its content.
     */
@@ -522,6 +521,16 @@ class LibraryController(
            mode.title = count.toString()

            binding.actionToolbar.findItem(R.id.action_download_unread)?.isVisible = selectedMangas.any { it.source != LocalSource.ID }
+
+            // SY -->
+            binding.actionToolbar.findItem(R.id.action_clean)?.isVisible = selectedMangas.any {
+                it.source == EH_SOURCE_ID ||
+                    it.source == EXH_SOURCE_ID ||
+                    it.source in nHentaiSourceIds ||
+                    it.source == PERV_EDEN_EN_SOURCE_ID ||
+                    it.source == PERV_EDEN_IT_SOURCE_ID
+            }
+            // SY <--
        }
        return false
    }
@@ -534,15 +543,19 @@ class LibraryController(
        when (item.itemId) {
            R.id.action_move_to_category -> showChangeMangaCategoriesDialog()
            R.id.action_download_unread -> downloadUnreadChapters()
+            R.id.action_mark_as_read -> markReadStatus(true)
+            R.id.action_mark_as_unread -> markReadStatus(false)
            R.id.action_delete -> showDeleteMangaDialog()
            R.id.action_select_all -> selectAllCategoryManga()
            R.id.action_select_inverse -> selectInverseCategoryManga()
            // SY -->
            R.id.action_migrate -> {
                val skipPre = preferences.skipPreMigration().get()
-                PreMigrationController.navigateToMigration(skipPre, router, selectedMangas.mapNotNull { it.id })
+                val selectedMangaIds = selectedMangas.mapNotNull { it.id }
                destroyActionModeIfNeeded()
+                PreMigrationController.navigateToMigration(skipPre, router, selectedMangaIds)
            }
+            R.id.action_clean -> cleanTitles()
            // SY <--
            else -> return false
        }
@@ -623,10 +636,30 @@ class LibraryController(
        destroyActionModeIfNeeded()
    }

+    private fun markReadStatus(read: Boolean) {
+        val mangas = selectedMangas.toList()
+        presenter.markReadStatus(mangas, read)
+        destroyActionModeIfNeeded()
+    }
+
    private fun showDeleteMangaDialog() {
        DeleteLibraryMangasDialog(this, selectedMangas.toList()).showDialog(router)
    }

+    // SY -->
+    private fun cleanTitles() {
+        val mangas = selectedMangas.filter {
+            it.source == EH_SOURCE_ID ||
+                it.source == EXH_SOURCE_ID ||
+                it.source in nHentaiSourceIds ||
+                it.source == PERV_EDEN_EN_SOURCE_ID ||
+                it.source == PERV_EDEN_IT_SOURCE_ID
+        }.toList()
+        presenter.cleanTitles(mangas)
+        destroyActionModeIfNeeded()
+    }
+    // SY <--
+
    override fun updateCategoriesForMangas(mangas: List<Manga>, categories: List<Category>) {
        presenter.moveMangasToCategories(categories, mangas)
        destroyActionModeIfNeeded()
@@ -775,5 +808,21 @@ class LibraryController(
        }
        oldSyncStatus = status
    }
+
+    fun startReading(manga: Manga, adapter: LibraryCategoryAdapter) {
+        if (adapter.mode == SelectableAdapter.Mode.MULTI) {
+            toggleSelection(manga)
+            return
+        }
+        val activity = activity ?: return
+        val chapter = presenter.getFirstUnread(manga) ?: return
+        val intent = ReaderActivity.newIntent(activity, manga, chapter)
+        destroyActionModeIfNeeded()
+        startActivity(intent)
+    }
+
+    fun refreshSort() {
+        settingsSheet?.refreshSort()
+    }
    // <-- EXH
 }
@@ -0,0 +1,32 @@
+package eu.kanade.tachiyomi.ui.library
+
+import eu.kanade.tachiyomi.R
+
+object LibraryGroup {
+
+    const val BY_DEFAULT = 0
+    const val BY_SOURCE = 1
+    const val BY_STATUS = 2
+    const val BY_TRACK_STATUS = 3
+    const val UNGROUPED = 4
+
+    fun groupTypeStringRes(type: Int, hasCategories: Boolean = true): Int {
+        return when (type) {
+            BY_STATUS -> R.string.status
+            BY_SOURCE -> R.string.label_sources
+            BY_TRACK_STATUS -> R.string.tracking_status
+            UNGROUPED -> R.string.ungrouped
+            else -> if (hasCategories) R.string.categories else R.string.ungrouped
+        }
+    }
+
+    fun groupTypeDrawableRes(type: Int): Int {
+        return when (type) {
+            BY_STATUS -> R.drawable.ic_progress_clock_24dp
+            BY_TRACK_STATUS -> R.drawable.ic_sync_24dp
+            BY_SOURCE -> R.drawable.ic_explore_24dp
+            UNGROUPED -> R.drawable.ic_ungroup_24dp
+            else -> R.drawable.ic_label_24dp
+        }
+    }
+}
@@ -38,5 +38,12 @@ abstract class LibraryHolder(
        super.onItemReleased(position)
        (adapter as? LibraryCategoryAdapter)?.onItemReleaseListener?.onItemReleased(position)
    }
+
+    override fun onLongClick(view: View?): Boolean {
+        return if (adapter.isLongPressDragEnabled) {
+            super.onLongClick(view)
+            false
+        } else super.onLongClick(view)
+    }
    // SY <--
 }
@@ -19,23 +19,35 @@ import eu.kanade.tachiyomi.data.preference.PreferenceValues.DisplayMode
 import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.widget.AutofitRecyclerView
+import exh.isNamespaceSource
+import exh.metadata.metadata.base.RaisedTag
+import exh.util.SourceTagsUtil.Companion.TAG_TYPE_EXCLUDE
+import exh.util.SourceTagsUtil.Companion.getRaisedTags
+import exh.util.SourceTagsUtil.Companion.parseTag
 import kotlinx.android.synthetic.main.source_compact_grid_item.view.card
 import kotlinx.android.synthetic.main.source_compact_grid_item.view.gradient
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get

 class LibraryItem(val manga: LibraryManga, private val libraryDisplayMode: Preference<DisplayMode>) :
-    AbstractFlexibleItem<LibraryHolder>(), IFilterable<String> {
+    AbstractFlexibleItem<LibraryHolder>(), IFilterable<Pair<String, Boolean>> {

    private val sourceManager: SourceManager = Injekt.get()
    // SY -->
    private val trackManager: TrackManager = Injekt.get()
    private val db: DatabaseHelper = Injekt.get()
+    private val source by lazy {
+        sourceManager.get(manga.source)
+    }
    // SY <--

    var downloadCount = -1
    var unreadCount = -1

+    // SY -->
+    var startReadingButton = false
+    // SY <--
+
    override fun getLayoutRes(): Int {
        return when (libraryDisplayMode.get()) {
            DisplayMode.COMPACT_GRID -> R.layout.source_compact_grid_item
@@ -96,38 +108,13 @@ class LibraryItem(val manga: LibraryManga, private val libraryDisplayMode: Prefe
     * @param constraint the query to apply.
     * @return true if the manga should be included, false otherwise.
     */
-    override fun filter(constraint: String): Boolean {
-        return manga.title.contains(constraint, true) ||
-            (manga.author?.contains(constraint, true) ?: false) ||
-            (manga.artist?.contains(constraint, true) ?: false) ||
-            sourceManager.getOrStub(manga.source).name.contains(constraint, true) ||
-            (Injekt.get<TrackManager>().hasLoggedServices() && filterTracks(constraint, db.getTracks(manga).executeAsBlocking())) ||
-            if (constraint.contains(" ") || constraint.contains("\"")) {
-                val genres = manga.genre?.split(", ")?.map {
-                    it.drop(it.indexOfFirst { it == ':' } + 1).toLowerCase().trim() // tachiEH tag namespaces
-                }
-                var clean_constraint = ""
-                var ignorespace = false
-                for (i in constraint.trim().toLowerCase()) {
-                    if (i == ' ') {
-                        if (!ignorespace) {
-                            clean_constraint = clean_constraint + ","
-                        } else {
-                            clean_constraint = clean_constraint + " "
-                        }
-                    } else if (i == '"') {
-                        ignorespace = !ignorespace
-                    } else {
-                        clean_constraint = clean_constraint + Character.toString(i)
-                    }
-                }
-                clean_constraint.split(",").all { containsGenre(it.trim(), genres) }
-            } else containsGenre(
-                constraint,
-                manga.genre?.split(", ")?.map {
-                    it.drop(it.indexOfFirst { it == ':' } + 1).toLowerCase().trim() // tachiEH tag namespaces
-                }
-            )
+    override fun filter(constraint: Pair<String, Boolean>): Boolean {
+        return manga.title.contains(constraint.first, true) ||
+            (manga.author?.contains(constraint.first, true) ?: false) ||
+            (manga.artist?.contains(constraint.first, true) ?: false) ||
+            (source?.name?.contains(constraint.first, true) ?: false) ||
+            (Injekt.get<TrackManager>().hasLoggedServices() && filterTracks(constraint.first, db.getTracks(manga).executeAsBlocking())) ||
+            constraint.second && ehContainsGenre(constraint.first)
    }

    private fun filterTracks(constraint: String, tracks: List<Track>): Boolean {
@@ -141,6 +128,54 @@ class LibraryItem(val manga: LibraryManga, private val libraryDisplayMode: Prefe
            return@any false
        }
    }
+
+    private fun ehContainsGenre(constraint: String): Boolean {
+        val genres = manga.getGenres()
+        val raisedTags = if (source?.isNamespaceSource() == true) {
+            manga.getRaisedTags(genres)
+        } else null
+        return if (constraint.contains(" ") || constraint.contains("\"")) {
+            var cleanConstraint = ""
+            var ignoreSpace = false
+            for (i in constraint.trim().toLowerCase()) {
+                when (i) {
+                    ' ' -> {
+                        cleanConstraint = if (!ignoreSpace) {
+                            "$cleanConstraint,"
+                        } else {
+                            "$cleanConstraint "
+                        }
+                    }
+                    '"' -> {
+                        ignoreSpace = !ignoreSpace
+                    }
+                    else -> {
+                        cleanConstraint += i.toString()
+                    }
+                }
+            }
+            cleanConstraint.split(",").all {
+                if (raisedTags == null) containsGenre(it.trim(), genres) else containsRaisedGenre(
+                    parseTag(it.trim()), raisedTags
+                )
+            }
+        } else if (raisedTags == null) {
+            containsGenre(constraint, genres)
+        } else {
+            containsRaisedGenre(parseTag(constraint), raisedTags)
+        }
+    }
+
+    private fun containsRaisedGenre(tag: RaisedTag, genres: List<RaisedTag>): Boolean {
+        val genre = genres.find {
+            (it.namespace?.toLowerCase() == tag.namespace?.toLowerCase() && it.name.toLowerCase() == tag.name.toLowerCase())
+        }
+        return if (tag.type == TAG_TYPE_EXCLUDE) {
+            genre == null
+        } else {
+            genre != null
+        }
+    }
    // SY <--

    private fun containsGenre(tag: String, genres: List<String>?): Boolean {
@@ -2,13 +2,17 @@ package eu.kanade.tachiyomi.ui.library

 import android.os.Bundle
 import com.jakewharton.rxrelay.BehaviorRelay
+import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.MangaCategory
 import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.data.library.CustomMangaManager
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.Filter.TriState.Companion.STATE_EXCLUDE
 import eu.kanade.tachiyomi.source.model.Filter.TriState.Companion.STATE_IGNORE
@@ -25,6 +29,7 @@ import exh.EH_SOURCE_ID
 import exh.EXH_SOURCE_ID
 import exh.favorites.FavoritesSyncHelper
 import exh.util.isLewd
+import exh.util.nullIfBlank
 import java.util.Collections
 import java.util.Comparator
 import rx.Observable
@@ -52,7 +57,10 @@ class LibraryPresenter(
    private val preferences: PreferencesHelper = Injekt.get(),
    private val coverCache: CoverCache = Injekt.get(),
    private val sourceManager: SourceManager = Injekt.get(),
-    private val downloadManager: DownloadManager = Injekt.get()
+    private val downloadManager: DownloadManager = Injekt.get(),
+    // SY -->
+    private val customMangaManager: CustomMangaManager = Injekt.get()
+    // SY <--
 ) : BasePresenter<LibraryController>() {

    private val context = preferences.context
@@ -83,9 +91,26 @@ class LibraryPresenter(
     */
    private var librarySubscription: Subscription? = null

-    // --> EXH
+    // SY -->
    val favoritesSync = FavoritesSyncHelper(context)
-    // <-- EXH
+
+    private var groupType = preferences.groupLibraryBy().get()
+
+    private val libraryIsGrouped
+        get() = groupType != LibraryGroup.UNGROUPED
+
+    private val loggedServices by lazy { Injekt.get<TrackManager>().services.filter { it.isLogged } }
+
+    /**
+     * Relay used to apply the UI update to the last emission of the library.
+     */
+    private val buttonTriggerRelay = BehaviorRelay.create(Unit)
+
+    /**
+     * Relay used to apply the UI update to the last emission of the library.
+     */
+    private val groupingTriggerRelay = BehaviorRelay.create(Unit)
+    // SY <--

    override fun onCreate(savedState: Bundle?) {
        super.onCreate(savedState)
@@ -101,6 +126,15 @@ class LibraryPresenter(
                .combineLatest(badgeTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
                    lib.apply { setBadges(mangaMap) }
                }
+                // SY -->
+                .combineLatest(buttonTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
+                    lib.apply { setButtons(mangaMap) }
+                }
+                .combineLatest(groupingTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
+                    val (map, categories) = applyGrouping(lib.mangaMap, lib.categories)
+                    lib.copy(mangaMap = map, categories = categories)
+                }
+                // SY <--
                .combineLatest(filterTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
                    lib.copy(mangaMap = applyFilters(lib.mangaMap))
                }
@@ -166,6 +200,21 @@ class LibraryPresenter(

        return map.mapValues { entry -> entry.value.filter(filterFn) }
    }
+
+    /**
+     * Sets the button on each manga.
+     *
+     * @param map the map of manga.
+     */
+    private fun setButtons(map: LibraryMap) {
+        val startReadingButton = preferences.startReadingButton().get()
+
+        for ((_, itemList) in map) {
+            for (item in itemList) {
+                item.startReadingButton = startReadingButton
+            }
+        }
+    }
    // SY <--

    /**
@@ -283,6 +332,27 @@ class LibraryPresenter(
        }
    }

+    // SY -->
+    private fun applyGrouping(map: LibraryMap, categories: List<Category>): Pair<LibraryMap, List<Category>> {
+        groupType = preferences.groupLibraryBy().get()
+        var editedCategories: List<Category> = categories
+        val libraryMangaAsList = map.flatMap { it.value }.distinctBy { it.manga.id }
+        val items = if (groupType == LibraryGroup.BY_DEFAULT) {
+            map
+        } else if (!libraryIsGrouped) {
+            editedCategories = listOf(Category.create("All").apply { this.id = 0 })
+            libraryMangaAsList
+                .groupBy { 0 }
+        } else {
+            val (items, customCategories) = getGroupedMangaItems(libraryMangaAsList)
+            editedCategories = customCategories
+            items
+        }
+
+        return items to editedCategories
+    }
+    // SY <--
+
    /**
     * Get the categories from the database.
     *
@@ -320,6 +390,23 @@ class LibraryPresenter(
        badgeTriggerRelay.call(Unit)
    }

+    // SY -->
+    /**
+     * Requests the library to have buttons toggled.
+     */
+    fun requestButtonsUpdate() {
+        buttonTriggerRelay.call(Unit)
+    }
+
+    /**
+     * Requests the library to have groups refreshed.
+     */
+    fun requestGroupsUpdate() {
+        groupingTriggerRelay.call(Unit)
+    }
+
+    // SY <--
+
    /**
     * Requests the library to be sorted.
     */
@@ -357,7 +444,7 @@ class LibraryPresenter(
            launchIO {
                /* SY --> */ val chapters = if (manga.source == EH_SOURCE_ID || manga.source == EXH_SOURCE_ID) {
                    val chapter = db.getChapters(manga).executeAsBlocking().minBy { it.source_order }
-                    if (chapter != null) listOf(chapter) else emptyList()
+                    if (chapter != null && !chapter.read) listOf(chapter) else emptyList()
                } else /* SY <-- */ db.getChapters(manga).executeAsBlocking()
                    .filter { !it.read }

@@ -366,6 +453,64 @@ class LibraryPresenter(
        }
    }

+    // SY -->
+    fun cleanTitles(mangas: List<Manga>) {
+        mangas.forEach { manga ->
+            val editedTitle = manga.title.replace("\\[.*?]".toRegex(), "").trim().replace("\\(.*?\\)".toRegex(), "").trim().replace("\\{.*?\\}".toRegex(), "").trim().let {
+                if (it.contains("|")) {
+                    it.replace(".*\\|".toRegex(), "").trim()
+                } else {
+                    it
+                }
+            }
+            if (manga.title == editedTitle) return@forEach
+            val mangaJson = manga.id?.let {
+                CustomMangaManager.MangaJson(
+                    it,
+                    editedTitle.nullIfBlank(),
+                    (if (manga.author != manga.originalAuthor) manga.author else null),
+                    (if (manga.artist != manga.originalArtist) manga.artist else null),
+                    (if (manga.description != manga.originalDescription) manga.description else null),
+                    (if (manga.genre != manga.originalGenre) manga.getGenres()?.toTypedArray() else null)
+                )
+            }
+            mangaJson?.let {
+                customMangaManager.saveMangaInfo(it)
+            }
+        }
+    }
+    // SY <--
+
+    /**
+     * Marks mangas' chapters read status.
+     *
+     * @param mangas the list of manga.
+     */
+    fun markReadStatus(mangas: List<Manga>, read: Boolean) {
+        mangas.forEach { manga ->
+            launchIO {
+                val chapters = db.getChapters(manga).executeAsBlocking()
+                chapters.forEach {
+                    it.read = read
+                    if (!read) {
+                        it.last_page_read = 0
+                    }
+                }
+                db.updateChaptersProgress(chapters).executeAsBlocking()
+
+                if (preferences.removeAfterMarkedAsRead()) {
+                    deleteChapters(manga, chapters)
+                }
+            }
+        }
+    }
+
+    private fun deleteChapters(manga: Manga, chapters: List<Chapter>) {
+        sourceManager.get(manga.source)?.let { source ->
+            downloadManager.deleteChapters(chapters, manga, source)
+        }
+    }
+
    /**
     * Remove the selected manga from the library.
     *
@@ -410,4 +555,121 @@ class LibraryPresenter(

        db.setMangaCategories(mc, mangas)
    }
+
+    // SY -->
+    /** Returns first unread chapter of a manga */
+    fun getFirstUnread(manga: Manga): Chapter? {
+        val chapters = db.getChapters(manga).executeAsBlocking()
+        return if (manga.source == EH_SOURCE_ID || manga.source == EXH_SOURCE_ID) {
+            val chapter = chapters.sortedBy { it.source_order }.getOrNull(0)
+            if (chapter?.read == false) chapter else null
+        } else {
+            chapters.sortedByDescending { it.source_order }.find { !it.read }
+        }
+    }
+
+    private fun getGroupedMangaItems(libraryManga: List<LibraryItem>): Pair<LibraryMap, List<Category>> {
+        val grouping: MutableList<Triple<String, Int, String>> = mutableListOf()
+        when (groupType) {
+            LibraryGroup.BY_STATUS -> libraryManga.distinctBy { it.manga.status }.map { it.manga.status }.forEachIndexed { index, status ->
+                grouping += Triple(status.toString(), index, mapStatus(status))
+            }
+            LibraryGroup.BY_SOURCE -> libraryManga.distinctBy { it.manga.source }.map { it.manga.source }.forEachIndexed { index, sourceLong ->
+                grouping += Triple(sourceLong.toString(), index, sourceManager.getOrStub(sourceLong).name)
+            }
+            LibraryGroup.BY_TRACK_STATUS -> {
+                grouping += Triple("1", 1, context.getString(R.string.reading))
+                grouping += Triple("2", 2, context.getString(R.string.repeating))
+                grouping += Triple("3", 3, context.getString(R.string.plan_to_read))
+                grouping += Triple("4", 4, context.getString(R.string.on_hold))
+                grouping += Triple("5", 5, context.getString(R.string.completed))
+                grouping += Triple("6", 6, context.getString(R.string.dropped))
+                grouping += Triple("7", 7, context.getString(R.string.not_tracked))
+            }
+        }
+        val map: MutableMap<Int, MutableList<LibraryItem>> = mutableMapOf()
+
+        libraryManga.forEach { libraryItem ->
+            when (groupType) {
+                LibraryGroup.BY_TRACK_STATUS -> {
+                    val status: String = {
+                        val tracks = db.getTracks(libraryItem.manga).executeAsBlocking()
+                        val track = tracks.find { track ->
+                            loggedServices.any { it.id == track?.sync_id }
+                        }
+                        val service = loggedServices.find { it.id == track?.sync_id }
+                        if (track != null && service != null) {
+                            service.getStatus(track.status)
+                        } else {
+                            "not tracked"
+                        }
+                    }()
+                    val group = grouping.find { it.first == mapTrackingOrder(status) }
+                    if (group != null) {
+                        map[group.second]?.plusAssign(libraryItem) ?: map.put(group.second, mutableListOf(libraryItem))
+                    } else {
+                        map[7]?.plusAssign(libraryItem) ?: map.put(7, mutableListOf(libraryItem))
+                    }
+                }
+                LibraryGroup.BY_SOURCE -> {
+                    val group = grouping.find { it.first.toLongOrNull() == libraryItem.manga.source }
+                    if (group != null) {
+                        map[group.second]?.plusAssign(libraryItem) ?: map.put(group.second, mutableListOf(libraryItem))
+                    } else {
+                        if (grouping.all { it.second != Int.MAX_VALUE }) grouping += Triple(Int.MAX_VALUE.toString(), Int.MAX_VALUE, context.getString(R.string.unknown))
+                        map[Int.MAX_VALUE]?.plusAssign(libraryItem) ?: map.put(Int.MAX_VALUE, mutableListOf(libraryItem))
+                    }
+                }
+                else -> {
+                    val group = grouping.find { it.first == libraryItem.manga.status.toString() }
+                    if (group != null) {
+                        map[group.second]?.plusAssign(libraryItem) ?: map.put(group.second, mutableListOf(libraryItem))
+                    } else {
+                        if (grouping.all { it.second != Int.MAX_VALUE }) grouping += Triple(Int.MAX_VALUE.toString(), Int.MAX_VALUE, context.getString(R.string.unknown))
+                        map[Int.MAX_VALUE]?.plusAssign(libraryItem) ?: map.put(Int.MAX_VALUE, mutableListOf(libraryItem))
+                    }
+                }
+            }
+        }
+
+        val categories = (
+            when (groupType) {
+                LibraryGroup.BY_SOURCE -> grouping.sortedBy { it.third.toLowerCase() }
+                LibraryGroup.BY_TRACK_STATUS -> grouping.filter { it.second in map.keys }
+                else -> grouping
+            }
+            ).map {
+            val category = Category.create(it.third)
+            category.id = it.second
+            category
+        }
+
+        return map to categories
+    }
+
+    private fun mapTrackingOrder(status: String): String {
+        with(context) {
+            return when (status) {
+                getString(R.string.reading), getString(R.string.currently_reading) -> "1"
+                getString(R.string.repeating) -> "2"
+                getString(R.string.plan_to_read), getString(R.string.want_to_read) -> "3"
+                getString(R.string.on_hold), getString(R.string.paused) -> "4"
+                getString(R.string.completed) -> "5"
+                getString(R.string.dropped) -> "6"
+                else -> "7"
+            }
+        }
+    }
+
+    private fun mapStatus(status: Int): String {
+        return context.getString(
+            when (status) {
+                SManga.LICENSED -> R.string.licensed
+                SManga.ONGOING -> R.string.ongoing
+                SManga.COMPLETED -> R.string.completed
+                else -> R.string.unknown
+            }
+        )
+    }
+    // SY <--
 }
@@ -5,6 +5,7 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.View
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.DisplayMode
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.track.TrackManager
@@ -25,6 +26,7 @@ class LibrarySettingsSheet(
    val filters: Filter
    private val sort: Sort
    private val display: Display
+    private val grouping: Grouping

    init {
        filters = Filter(activity)
@@ -35,18 +37,27 @@ class LibrarySettingsSheet(

        display = Display(activity)
        display.onGroupClicked = onGroupClickListener
+
+        grouping = Grouping(activity)
+        grouping.onGroupClicked = onGroupClickListener
+    }
+
+    fun refreshSort() {
+        sort.refreshMode()
    }

    override fun getTabViews(): List<View> = listOf(
        filters,
        sort,
-        display
+        display,
+        grouping
    )

    override fun getTabTitles(): List<Int> = listOf(
        R.string.action_filter,
        R.string.action_sort,
-        R.string.action_display
+        R.string.action_display,
+        R.string.group
    )

    /**
@@ -141,6 +152,12 @@ class LibrarySettingsSheet(
            setGroups(listOf(SortGroup()))
        }

+        fun refreshMode() {
+            recycler.adapter = null
+            removeView(recycler)
+            setGroups(listOf(SortGroup()))
+        }
+
        inner class SortGroup : Group {

            private val alphabetically = Item.MultiSort(R.string.action_sort_alpha, this)
@@ -188,6 +205,9 @@ class LibrarySettingsSheet(

            override fun onItemClicked(item: Item) {
                item as Item.MultiStateGroup
+                // SY -->
+                if (item == dragAndDrop && preferences.groupLibraryBy().get() != LibraryGroup.BY_DEFAULT) return
+                // SY <--
                val prevState = item.state

                item.group.items.forEach {
@@ -236,7 +256,7 @@ class LibrarySettingsSheet(
        Settings(context, attrs) {

        init {
-            setGroups(listOf(DisplayGroup(), BadgeGroup(), TabsGroup()))
+            setGroups(listOf(DisplayGroup(), BadgeGroup(), /* SY --> */ ButtonsGroup(), /* SY <-- */ TabsGroup()))
        }

        inner class DisplayGroup : Group {
@@ -300,6 +320,29 @@ class LibrarySettingsSheet(
            }
        }

+        // SY -->
+        inner class ButtonsGroup : Group {
+            private val startReadingButton = Item.CheckboxGroup(R.string.action_start_reading_button, this)
+
+            override val header = Item.Header(R.string.buttons_header)
+            override val items = listOf(startReadingButton)
+            override val footer = null
+
+            override fun initModels() {
+                startReadingButton.checked = preferences.startReadingButton().get()
+            }
+
+            override fun onItemClicked(item: Item) {
+                item as Item.CheckboxGroup
+                item.checked = !item.checked
+                when (item) {
+                    startReadingButton -> preferences.startReadingButton().set((item.checked))
+                }
+                adapter.notifyItemChanged(item)
+            }
+        }
+        // SY <--
+
        inner class TabsGroup : Group {
            private val showTabs = Item.CheckboxGroup(R.string.action_display_show_tabs, this)

@@ -322,6 +365,80 @@ class LibrarySettingsSheet(
        }
    }

+    // SY -->
+    inner class Grouping @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
+        Settings(context, attrs) {
+
+        init {
+            setGroups(listOf(InternalGroup()))
+        }
+
+        inner class InternalGroup : Group {
+            private val groupItems = mutableListOf<Item.DrawableSelection>()
+            private val db: DatabaseHelper = Injekt.get()
+            private val trackManager: TrackManager = Injekt.get()
+            private val hasCategories = db.getCategories().executeAsBlocking().size != 0
+
+            init {
+                val groupingItems = mutableListOf(
+                    LibraryGroup.BY_DEFAULT,
+                    LibraryGroup.BY_SOURCE,
+                    LibraryGroup.BY_STATUS
+                )
+                if (trackManager.hasLoggedServices()) {
+                    groupingItems.add(LibraryGroup.BY_TRACK_STATUS)
+                }
+                if (hasCategories) {
+                    groupingItems.add(LibraryGroup.UNGROUPED)
+                }
+                groupItems += groupingItems.map { id ->
+                    Item.DrawableSelection(
+                        id,
+                        this,
+                        LibraryGroup.groupTypeStringRes(id, hasCategories),
+                        LibraryGroup.groupTypeDrawableRes(id)
+                    )
+                }
+            }
+
+            override val header = null
+            override val items = groupItems
+            override val footer = null
+
+            override fun initModels() {
+                val groupType = preferences.groupLibraryBy().get()
+
+                items.forEach {
+                    it.state = if (it.id == groupType) {
+                        Item.DrawableSelection.SELECTED
+                    } else {
+                        Item.DrawableSelection.NOT_SELECTED
+                    }
+                }
+            }
+
+            override fun onItemClicked(item: Item) {
+                item as Item.DrawableSelection
+                if (item.id != LibraryGroup.BY_DEFAULT && preferences.librarySortingMode().get() == LibrarySort.DRAG_AND_DROP) {
+                    preferences.librarySortingMode().set(LibrarySort.ALPHA)
+                    preferences.librarySortingAscending().set(true)
+                    refreshSort()
+                }
+
+                item.group.items.forEach {
+                    (it as Item.DrawableSelection).state =
+                        Item.DrawableSelection.NOT_SELECTED
+                }
+                item.state = Item.DrawableSelection.SELECTED
+
+                preferences.groupLibraryBy().set(item.id)
+
+                item.group.items.forEach { adapter.notifyItemChanged(it) }
+            }
+        }
+    }
+    // SY <--
+
    open inner class Settings(context: Context, attrs: AttributeSet?) :
        ExtendedNavigationView(context, attrs) {

@@ -5,14 +5,12 @@ import android.app.SearchManager
 import android.content.Intent
 import android.os.Bundle
 import android.os.Looper
-import android.view.Gravity
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
 import androidx.coordinatorlayout.widget.CoordinatorLayout
-import androidx.core.net.toUri
 import androidx.core.view.isVisible
-import androidx.core.view.updateLayoutParams
+import androidx.preference.PreferenceDialogController
 import com.bluelinelabs.conductor.Conductor
 import com.bluelinelabs.conductor.Controller
 import com.bluelinelabs.conductor.ControllerChangeHandler
@@ -20,11 +18,10 @@ import com.bluelinelabs.conductor.Router
 import com.bluelinelabs.conductor.RouterTransaction
 import com.google.android.material.appbar.AppBarLayout
 import com.google.android.material.behavior.HideBottomViewOnScrollBehavior
-import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.tabs.TabLayout
-import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
+import eu.kanade.tachiyomi.data.preference.asImmediateFlow
 import eu.kanade.tachiyomi.databinding.MainActivityBinding
 import eu.kanade.tachiyomi.extension.api.ExtensionGithubApi
 import eu.kanade.tachiyomi.ui.base.activity.BaseActivity
@@ -33,6 +30,7 @@ import eu.kanade.tachiyomi.ui.base.controller.FabController
 import eu.kanade.tachiyomi.ui.base.controller.NoToolbarElevationController
 import eu.kanade.tachiyomi.ui.base.controller.RootController
 import eu.kanade.tachiyomi.ui.base.controller.TabbedController
+import eu.kanade.tachiyomi.ui.base.controller.ToolbarLiftOnScrollController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
 import eu.kanade.tachiyomi.ui.browse.BrowseController
 import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchController
@@ -44,16 +42,9 @@ import eu.kanade.tachiyomi.ui.recent.history.HistoryController
 import eu.kanade.tachiyomi.ui.recent.updates.UpdatesController
 import eu.kanade.tachiyomi.util.lang.launchIO
 import eu.kanade.tachiyomi.util.lang.launchUI
-import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.view.snack
 import exh.EH_SOURCE_ID
-import exh.EIGHTMUSES_SOURCE_ID
 import exh.EXHMigrations
 import exh.EXH_SOURCE_ID
-import exh.HITOMI_SOURCE_ID
-import exh.NHENTAI_SOURCE_ID
-import exh.PERV_EDEN_EN_SOURCE_ID
-import exh.PERV_EDEN_IT_SOURCE_ID
 import exh.eh.EHentaiUpdateWorker
 import exh.source.BlacklistedSources
 import exh.uconfig.WarnConfigureDialogController
@@ -64,7 +55,6 @@ import kotlinx.android.synthetic.main.main_activity.appbar
 import kotlinx.android.synthetic.main.main_activity.tabs
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
 import timber.log.Timber

 class MainActivity : BaseActivity<MainActivityBinding>() {
@@ -187,13 +177,13 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
            // Show changelog prompt on update
            // TODO
 //            if (Migrations.upgrade(preferences) && !BuildConfig.DEBUG) {
-//                showUpdateInfoSnackbar()
+//                WhatsNewDialogController().showDialog(router)
 //            }

            // EXH -->
            // Perform EXH specific migrations
            if (EXHMigrations.upgrade(preferences)) {
-                ChangelogDialogController().showDialog(router)
+                WhatsNewDialogController().showDialog(router)
            }
            // EXH <--

@@ -219,27 +209,11 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
            if (EXH_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
                BlacklistedSources.HIDDEN_SOURCES += EXH_SOURCE_ID
            }
-            if (PERV_EDEN_EN_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                BlacklistedSources.HIDDEN_SOURCES += PERV_EDEN_EN_SOURCE_ID
-            }
-            if (PERV_EDEN_IT_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                BlacklistedSources.HIDDEN_SOURCES += PERV_EDEN_IT_SOURCE_ID
-            }
-            if (NHENTAI_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                BlacklistedSources.HIDDEN_SOURCES += NHENTAI_SOURCE_ID
-            }
-            if (HITOMI_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                BlacklistedSources.HIDDEN_SOURCES += HITOMI_SOURCE_ID
-            }
-            if (EIGHTMUSES_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                BlacklistedSources.HIDDEN_SOURCES += EIGHTMUSES_SOURCE_ID
-            }
        }
        // SY -->

-        setExtensionsBadge()
-        preferences.extensionUpdatesCount().asFlow()
-            .onEach { setExtensionsBadge() }
+        preferences.extensionUpdatesCount()
+            .asImmediateFlow { setExtensionsBadge() }
            .launchIn(scope)
    }

@@ -401,6 +375,9 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
        if (from is DialogController || to is DialogController) {
            return
        }
+        if (from is PreferenceDialogController || to is PreferenceDialogController) {
+            return
+        }

        supportActionBar?.setDisplayHomeAsUpEnabled(router.backstackSize != 1)

@@ -435,10 +412,16 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
            to.configureFab(binding.rootFab)
        }

-        if (to is NoToolbarElevationController) {
-            binding.appbar.disableElevation()
-        } else {
-            binding.appbar.enableElevation()
+        when (to) {
+            is NoToolbarElevationController -> {
+                binding.appbar.disableElevation()
+            }
+            is ToolbarLiftOnScrollController -> {
+                binding.appbar.enableElevation(true)
+            }
+            else -> {
+                binding.appbar.enableElevation(false)
+            }
        }
    }

@@ -460,32 +443,6 @@ class MainActivity : BaseActivity<MainActivityBinding>() {
        }
    }

-    private fun showUpdateInfoSnackbar() {
-        val snack = binding.rootCoordinator.snack(
-            getString(R.string.updated_version, BuildConfig.VERSION_NAME),
-            Snackbar.LENGTH_INDEFINITE
-        ) {
-            setAction(R.string.whats_new) {
-                val url = "https://github.com/inorichi/tachiyomi/releases/tag/v${BuildConfig.VERSION_NAME}"
-                val intent = Intent(Intent.ACTION_VIEW, url.toUri())
-                startActivity(intent)
-            }
-
-            // Ensure the snackbar sits above the bottom nav
-            view.updateLayoutParams<CoordinatorLayout.LayoutParams> {
-                anchorId = binding.bottomNav.id
-                anchorGravity = Gravity.TOP
-                gravity = Gravity.TOP
-            }
-        }
-
-        // Manually handle dismiss delay since Snackbar.LENGTH_LONG is a too short
-        launchIO {
-            delay(10000)
-            snack.dismiss()
-        }
-    }
-
    companion object {
        // Shortcut actions
        const val SHORTCUT_LIBRARY = "eu.kanade.tachiyomi.SHOW_LIBRARY"
@@ -12,7 +12,7 @@ import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import exh.syDebugVersion
 import it.gmariotti.changelibs.library.view.ChangeLogRecyclerView

-class ChangelogDialogController : DialogController() {
+class WhatsNewDialogController : DialogController() {

    override fun onCreateDialog(savedViewState: Bundle?): Dialog {
        val activity = activity!!
@@ -100,7 +100,7 @@ class EditMangaDialog : DialogController {
            view.manga_author.append(manga.author ?: "")
            view.manga_artist.append(manga.artist ?: "")
            view.manga_description.append(manga.description ?: "")
-            view.manga_genres_tags.setChips(manga.genre?.split(",")?.map { it.trim() } ?: emptyList())
+            view.manga_genres_tags.setChips(manga.getGenres())
        } else {
            if (manga.title != manga.originalTitle) {
                view.title.append(manga.title)
@@ -114,7 +114,7 @@ class EditMangaDialog : DialogController {
            if (manga.description != manga.originalDescription) {
                view.manga_description.append(manga.description ?: "")
            }
-            view.manga_genres_tags.setChips(manga.genre?.split(",")?.map { it.trim() } ?: emptyList())
+            view.manga_genres_tags.setChips(manga.getGenres())

            view.title.hint = "${resources?.getString(R.string.title)}: ${manga.originalTitle}"
            if (manga.originalAuthor != null) {
@@ -147,7 +147,7 @@ class EditMangaDialog : DialogController {
        if (manga.genre.isNullOrBlank() || manga.source == LocalSource.ID) dialogView?.manga_genres_tags?.setChips(
            emptyList()
        )
-        else dialogView?.manga_genres_tags?.setChips(manga.originalGenre?.split(", "))
+        else dialogView?.manga_genres_tags?.setChips(manga.getOriginalGenres())
    }

    fun updateCover(uri: Uri) {
@@ -14,6 +14,9 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
+import androidx.core.graphics.blue
+import androidx.core.graphics.green
+import androidx.core.graphics.red
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -40,6 +43,7 @@ import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.LewdSource.Companion.getLewdSource
 import eu.kanade.tachiyomi.ui.base.controller.FabController
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
+import eu.kanade.tachiyomi.ui.base.controller.ToolbarLiftOnScrollController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
 import eu.kanade.tachiyomi.ui.browse.migration.advanced.design.PreMigrationController
 import eu.kanade.tachiyomi.ui.browse.source.SourceController
@@ -93,6 +97,7 @@ import uy.kohesive.injekt.injectLazy

 class MangaController :
    NucleusController<MangaControllerBinding, MangaPresenter>,
+    ToolbarLiftOnScrollController,
    FabController,
    ActionMode.Callback,
    FlexibleAdapter.OnItemClickListener,
@@ -137,23 +142,25 @@ class MangaController :
    private val coverCache: CoverCache by injectLazy()

    private val toolbarTextColor by lazy { view!!.context.getResourceColor(R.attr.colorOnPrimary) }
-    private var toolbarTextAlpha = 255

    private var mangaInfoAdapter: MangaInfoHeaderAdapter? = null
+    // SY >--
    private var mangaInfoItemAdapter: MangaInfoItemAdapter? = null
    private var mangaInfoButtonsAdapter: MangaInfoButtonsAdapter? = null
    private var mangaMetaInfoAdapter: RecyclerView.Adapter<*>? = null
+    // SY <--
    private var chaptersHeaderAdapter: MangaChaptersHeaderAdapter? = null
    private var chaptersAdapter: ChaptersAdapter? = null

-    /**
-     * Sheet containing filter/sort/display items.
-     */
+    // Sheet containing filter/sort/display items.
    private var settingsSheet: ChaptersSettingsSheet? = null

    private var actionFab: ExtendedFloatingActionButton? = null
    private var actionFabScrollListener: RecyclerView.OnScrollListener? = null

+    // Snackbar to add manga to library after downloading chapter(s)
+    private var addSnackbar: Snackbar? = null
+
    /**
     * Action mode for multiple selection.
     */
@@ -183,6 +190,19 @@ class MangaController :
        setHasOptionsMenu(true)
    }

+    override fun getTitle(): String? {
+        return manga?.title
+    }
+
+    override fun onChangeStarted(handler: ControllerChangeHandler, type: ControllerChangeType) {
+        super.onChangeStarted(handler, type)
+
+        // Hide toolbar title on enter
+        if (type.isEnter) {
+            updateToolbarTitleAlpha()
+        }
+    }
+
    override fun onChangeEnded(handler: ControllerChangeHandler, type: ControllerChangeType) {
        super.onChangeEnded(handler, type)
        if (manga == null || source == null) {
@@ -210,6 +230,7 @@ class MangaController :
        val adapters: MutableList<RecyclerView.Adapter<out RecyclerView.ViewHolder>?> = mutableListOf()

        // Init RecyclerView and adapter
+        // SY -->
        mangaInfoAdapter = MangaInfoHeaderAdapter(this)

        adapters += mangaInfoAdapter
@@ -238,6 +259,7 @@ class MangaController :
        binding.recycler.adapter = ConcatAdapter(adapters)
        binding.recycler.layoutManager = LinearLayoutManager(view.context)
        binding.recycler.addItemDecoration(ChapterDividerItemDecoration(view.context, if ((!preferences.recommendsInOverflow().get() || smartSearchConfig != null) && thisSourceAsLewdSource != null) 4 else if (!preferences.recommendsInOverflow().get() || smartSearchConfig != null || thisSourceAsLewdSource != null) 3 else 2))
+        // SY <--
        binding.recycler.setHasFixedSize(true)
        chaptersAdapter?.fastScroller = binding.fastScroller

@@ -252,7 +274,6 @@ class MangaController :
            // Delayed in case we need to jump to chapters
            binding.recycler.post {
                updateToolbarTitleAlpha()
-                setTitle(manga?.title)
            }
        }

@@ -291,18 +312,14 @@ class MangaController :
            else -> min(binding.recycler.computeVerticalScrollOffset(), 255)
        }

-        if (calculatedAlpha != toolbarTextAlpha) {
-            toolbarTextAlpha = calculatedAlpha
-
-            activity?.toolbar?.setTitleTextColor(
-                Color.argb(
-                    toolbarTextAlpha,
-                    Color.red(toolbarTextColor),
-                    Color.green(toolbarTextColor),
-                    Color.blue(toolbarTextColor)
-                )
+        activity?.toolbar?.setTitleTextColor(
+            Color.argb(
+                calculatedAlpha,
+                toolbarTextColor.red,
+                toolbarTextColor.green,
+                toolbarTextColor.blue
            )
-        }
+        )
    }

    private fun updateFilterIconState() {
@@ -354,6 +371,12 @@ class MangaController :
        chaptersHeaderAdapter = null
        chaptersAdapter = null
        settingsSheet = null
+        // SY -->
+        mangaInfoButtonsAdapter = null
+        mangaInfoItemAdapter = null
+        mangaMetaInfoAdapter = null
+        // SY <--
+        addSnackbar?.dismiss()
        updateToolbarTitleAlpha(255)
        super.onDestroyView(view)
    }
@@ -514,12 +537,10 @@ class MangaController :
        if (manga.favorite) {
            toggleFavorite()
            activity?.toast(activity?.getString(R.string.manga_removed_library))
+            activity?.invalidateOptionsMenu()
        } else {
            addToLibrary(manga)
        }
-
-        // Update menu to show migrate option
-        activity?.invalidateOptionsMenu()
    }

    fun onTrackingClick() {
@@ -537,6 +558,7 @@ class MangaController :
                toggleFavorite()
                presenter.moveMangaToCategory(manga, defaultCategory)
                activity?.toast(activity?.getString(R.string.manga_added_library))
+                activity?.invalidateOptionsMenu()
            }

            // Automatic 'Default' or no categories
@@ -544,6 +566,7 @@ class MangaController :
                toggleFavorite()
                presenter.moveMangaToCategory(manga, null)
                activity?.toast(activity?.getString(R.string.manga_added_library))
+                activity?.invalidateOptionsMenu()
            }

            // Choose a category
@@ -667,6 +690,7 @@ class MangaController :
        if (!manga.favorite) {
            toggleFavorite()
            activity?.toast(activity?.getString(R.string.manga_added_library))
+            activity?.invalidateOptionsMenu()
        }

        presenter.moveMangaToCategories(manga, categories)
@@ -1050,7 +1074,7 @@ class MangaController :
        val manga = presenter.manga
        presenter.downloadChapters(chapters)
        if (view != null && !manga.favorite) {
-            binding.recycler.snack(view.context.getString(R.string.snack_add_to_library), Snackbar.LENGTH_INDEFINITE) {
+            addSnackbar = activity!!.root_coordinator?.snack(view.context.getString(R.string.snack_add_to_library), Snackbar.LENGTH_INDEFINITE) {
                setAction(R.string.action_add) {
                    addToLibrary(manga)
                }
@@ -265,12 +265,12 @@ class MangaPresenter(
            manga.author = author?.trimOrNull()
            manga.artist = artist?.trimOrNull()
            manga.description = description?.trimOrNull()
-            val tagsString = tags?.joinToString(", ")
+            val tagsString = tags?.joinToString()
            manga.genre = if (tags.isNullOrEmpty()) null else tagsString?.trim()
            LocalSource(downloadManager.context).updateMangaInfo(manga)
            db.updateMangaInfo(manga).executeAsBlocking()
        } else {
-            val genre = if (!tags.isNullOrEmpty() && tags.joinToString(", ") != manga.genre) {
+            val genre = if (!tags.isNullOrEmpty() && tags.joinToString() != manga.genre) {
                tags.toTypedArray()
            } else {
                null
@@ -716,7 +716,7 @@ class MangaPresenter(
    }

    private fun downloadNewChapters(chapters: List<Chapter>) {
-        if (chapters.isEmpty() || !manga.shouldDownloadNewChapters(db, preferences)) return
+        if (chapters.isEmpty() || !manga.shouldDownloadNewChapters(db, preferences) || source.isEhBasedSource()) return

        downloadChapters(chapters)
    }
@@ -726,8 +726,14 @@ class MangaPresenter(
     * @param chapters the chapters to delete.
     */
    private fun deleteChaptersInternal(chapters: List<ChapterItem>) {
-        downloadManager.deleteChapters(chapters, manga, source)
-        chapters.forEach {
+        val filteredChapters = if (!preferences.removeBookmarkedChapters()) {
+            chapters.filterNot { it.bookmark }
+        } else {
+            chapters
+        }
+
+        downloadManager.deleteChapters(filteredChapters, manga, source)
+        filteredChapters.forEach {
            it.status = Download.NOT_DOWNLOADED
            it.download = null
        }
@@ -14,7 +14,7 @@ import eu.kanade.tachiyomi.data.updater.UpdateChecker
 import eu.kanade.tachiyomi.data.updater.UpdateResult
 import eu.kanade.tachiyomi.data.updater.UpdaterService
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
-import eu.kanade.tachiyomi.ui.main.ChangelogDialogController
+import eu.kanade.tachiyomi.ui.main.WhatsNewDialogController
 import eu.kanade.tachiyomi.ui.setting.SettingsController
 import eu.kanade.tachiyomi.util.lang.launchNow
 import eu.kanade.tachiyomi.util.lang.toDateTimestampString
@@ -72,7 +72,7 @@ class AboutController : SettingsController() {

            onClick {
                // SY -->
-                ChangelogDialogController().showDialog(router)
+                WhatsNewDialogController().showDialog(router)
                // SY <--
            }
        }
@@ -901,10 +901,12 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                }
                .launchIn(scope)

-            preferences.readerTheme().asFlow()
+            // SY -->
+            /*preferences.readerTheme().asFlow()
                .drop(1) // We only care about updates
                .onEach { recreate() }
-                .launchIn(scope)
+                .launchIn(scope)*/
+            // SY <--

            preferences.showPageNumber().asFlow()
                .onEach { setPageNumberVisibility(it) }
@@ -27,6 +27,8 @@ import eu.kanade.tachiyomi.util.lang.takeBytes
 import eu.kanade.tachiyomi.util.storage.DiskUtil
 import eu.kanade.tachiyomi.util.system.ImageUtil
 import eu.kanade.tachiyomi.util.updateCoverLastModified
+import exh.EH_SOURCE_ID
+import exh.EXH_SOURCE_ID
 import exh.util.defaultReaderType
 import java.io.File
 import java.util.Date
@@ -360,6 +362,16 @@ class ReaderPresenter(
        selectedChapter.chapter.last_page_read = page.index
        if (selectedChapter.pages?.lastIndex == page.index) {
            selectedChapter.chapter.read = true
+            // SY -->
+            if (manga?.source == EH_SOURCE_ID || manga?.source == EXH_SOURCE_ID) {
+                chapterList
+                    .filter { it.chapter.source_order > selectedChapter.chapter.source_order }
+                    .onEach {
+                        it.chapter.read = true
+                        saveChapterProgress(it)
+                    }
+            }
+            // SY <--
            updateTrackChapterRead(selectedChapter)
            deleteChapterIfNeeded(selectedChapter)
        }
@@ -104,6 +104,9 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia

        binding.cropBordersWebtoon.bindToPreference(preferences.cropBordersWebtoon())
        binding.webtoonSidePadding.bindToIntPreference(preferences.webtoonSidePadding(), R.array.webtoon_side_padding_values)
+        // SY -->
+        binding.zoomOutWebtoon.bindToPreference(preferences.webtoonEnableZoomOut())
+        // SY <--
    }

    /**
@@ -1,12 +1,15 @@
 package eu.kanade.tachiyomi.ui.reader.loader

+import android.graphics.BitmapFactory
 import eu.kanade.tachiyomi.data.cache.ChapterCache
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.ui.reader.model.ReaderChapter
 import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
+import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerPageHolder
 import eu.kanade.tachiyomi.util.lang.plusAssign
+import eu.kanade.tachiyomi.util.system.ImageUtil
 import exh.EH_SOURCE_ID
 import exh.EXH_SOURCE_ID
 import java.util.concurrent.PriorityBlockingQueue
@@ -258,6 +261,18 @@ class HttpPageLoader(
                }
            }
            .doOnNext {
+                // SY -->
+                val readerTheme = prefs.readerTheme().get()
+                if (readerTheme >= 3) {
+                    val stream = chapterCache.getImageFile(imageUrl).inputStream()
+                    val image = BitmapFactory.decodeStream(stream)
+                    page.bg = ImageUtil.autoSetBackground(
+                        image, readerTheme == 2, prefs.context
+                    )
+                    page.bgType = PagerPageHolder.getBGType(readerTheme, prefs.context)
+                    stream.close()
+                }
+                // SY <--
                page.stream = { chapterCache.getImageFile(imageUrl).inputStream() }
                page.status = Page.READY
            }
@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.reader.model

+import android.graphics.drawable.Drawable
 import eu.kanade.tachiyomi.source.model.Page
 import java.io.InputStream

@@ -7,7 +8,12 @@ class ReaderPage(
    index: Int,
    url: String = "",
    imageUrl: String? = null,
+    // SY -->
+    var bg: Drawable? = null,
+    var bgType: Int? = null,
+    // SY <--
    var stream: (() -> InputStream)? = null
+
 ) : Page(index, url, imageUrl, null) {

    lateinit var chapter: ReaderChapter
@@ -20,6 +20,11 @@ class PagerConfig(private val viewer: PagerViewer, preferences: PreferencesHelpe
    var imageCropBorders = false
        private set

+    // SY -->
+    var readerTheme = 0
+        private set
+    // SY <--
+
    init {
        preferences.imageScaleType()
            .register({ imageScaleType = it }, { imagePropertyChangedListener?.invoke() })
@@ -29,6 +34,11 @@ class PagerConfig(private val viewer: PagerViewer, preferences: PreferencesHelpe

        preferences.cropBorders()
            .register({ imageCropBorders = it }, { imagePropertyChangedListener?.invoke() })
+
+        // SY -->
+        preferences.readerTheme()
+            .register({ readerTheme = it }, { imagePropertyChangedListener?.invoke() })
+        // SY <--
    }

    private fun zoomTypeFromPreference(value: Int) {
@@ -1,6 +1,8 @@
 package eu.kanade.tachiyomi.ui.reader.viewer.pager

 import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.BitmapFactory
 import android.graphics.PointF
 import android.graphics.drawable.Drawable
 import android.view.GestureDetector
@@ -27,20 +29,26 @@ import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import com.github.chrisbanes.photoview.PhotoView
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.glide.GlideApp
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
 import eu.kanade.tachiyomi.ui.reader.viewer.ReaderProgressBar
 import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerConfig.ZoomType
 import eu.kanade.tachiyomi.ui.webview.WebViewActivity
+import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.system.ImageUtil
 import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.widget.ViewPagerAdapter
+import exh.util.isInNightMode
 import java.io.InputStream
 import java.util.concurrent.TimeUnit
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import rx.Observable
 import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
+import uy.kohesive.injekt.injectLazy

 /**
 * View of the ViewPager that contains a page of a chapter.
@@ -242,7 +250,34 @@ class PagerPageHolder(
            .observeOn(AndroidSchedulers.mainThread())
            .doOnNext { isAnimated ->
                if (!isAnimated) {
-                    initSubsamplingImageView().setImage(ImageSource.inputStream(openStream!!))
+                    // SY -->
+                    if (viewer.config.readerTheme >= 3) {
+                        val imageView = initSubsamplingImageView()
+                        if (page.bg != null && page.bgType == getBGType(
+                            viewer.config.readerTheme,
+                            context
+                        )
+                        ) {
+                            imageView.setImage(ImageSource.inputStream(openStream!!))
+                            imageView.background = page.bg
+                        }
+                        // if the user switches to automatic when pages are already cached, the bg needs to be loaded
+                        else {
+                            val bytesArray = openStream!!.readBytes()
+                            val bytesStream = bytesArray.inputStream()
+                            imageView.setImage(ImageSource.inputStream(bytesStream))
+                            bytesStream.close()
+
+                            launchUI {
+                                imageView.background = setBG(bytesArray)
+                                page.bg = imageView.background
+                                page.bgType = getBGType(viewer.config.readerTheme, context)
+                            }
+                        }
+                    } else {
+                        initSubsamplingImageView().setImage(ImageSource.inputStream(openStream!!))
+                    }
+                    // SY <--
                } else {
                    initImageView().setImage(openStream!!)
                }
@@ -253,6 +288,20 @@ class PagerPageHolder(
            .subscribe({}, {})
    }

+    // SY -->
+    private suspend fun setBG(bytesArray: ByteArray): Drawable {
+        return withContext(Dispatchers.Default) {
+            val preferences by injectLazy<PreferencesHelper>()
+            ImageUtil.autoSetBackground(
+                BitmapFactory.decodeByteArray(
+                    bytesArray, 0, bytesArray.size
+                ),
+                preferences.readerTheme().get() == 3, context
+            )
+        }
+    }
+    // SY <--
+
    /**
     * Called when the page has an error.
     */
@@ -464,4 +513,14 @@ class PagerPageHolder(
            })
            .into(this)
    }
+
+    // SY -->
+    companion object {
+        fun getBGType(readerTheme: Int, context: Context): Int {
+            return if (readerTheme == 3) {
+                if (context.isInNightMode()) 2 else 1
+            } else 0
+        }
+    }
+    // SY <--
 }
@@ -80,29 +80,38 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
                isIdle = state == ViewPager.SCROLL_STATE_IDLE
            }
        })
-        pager.tapListener = { event ->
+        pager.tapListener = f@{ event ->
+            if (!config.tappingEnabled) {
+                activity.toggleMenu()
+                return@f
+            }
+
+            val positionX = event.x
+            val positionY = event.y
+            val topSideTap = positionY < pager.height * 0.25f
+            val bottomSideTap = positionY > pager.height * 0.75f
+            val leftSideTap = positionX < pager.width * 0.33f
+            val rightSideTap = positionX > pager.width * 0.66f
+
            val invertMode = config.tappingInverted
+            val invertVertical = invertMode == TappingInvertMode.VERTICAL || invertMode == TappingInvertMode.BOTH
+            val invertHorizontal = invertMode == TappingInvertMode.HORIZONTAL || invertMode == TappingInvertMode.BOTH

            if (this is VerticalPagerViewer) {
-                val positionY = event.y
-                val tappingInverted = invertMode == TappingInvertMode.VERTICAL || invertMode == TappingInvertMode.BOTH
-                val topSideTap = positionY < pager.height * 0.33f && config.tappingEnabled
-                val bottomSideTap = positionY > pager.height * 0.66f && config.tappingEnabled
-
                when {
-                    topSideTap && !tappingInverted || bottomSideTap && tappingInverted -> moveLeft()
-                    bottomSideTap && !tappingInverted || topSideTap && tappingInverted -> moveRight()
+                    topSideTap && !invertVertical || bottomSideTap && invertVertical -> moveLeft()
+                    bottomSideTap && !invertVertical || topSideTap && invertVertical -> moveRight()
+
+                    leftSideTap && !invertHorizontal || rightSideTap && invertHorizontal -> moveLeft()
+                    rightSideTap && !invertHorizontal || leftSideTap && invertHorizontal -> moveRight()
+
                    else -> activity.toggleMenu()
                }
            } else {
-                val positionX = event.x
-                val tappingInverted = invertMode == TappingInvertMode.HORIZONTAL || invertMode == TappingInvertMode.BOTH
-                val leftSideTap = positionX < pager.width * 0.33f && config.tappingEnabled
-                val rightSideTap = positionX > pager.width * 0.66f && config.tappingEnabled
-
                when {
-                    leftSideTap && !tappingInverted || rightSideTap && tappingInverted -> moveLeft()
-                    rightSideTap && !tappingInverted || leftSideTap && tappingInverted -> moveRight()
+                    leftSideTap && !invertHorizontal || rightSideTap && invertHorizontal -> moveLeft()
+                    rightSideTap && !invertHorizontal || leftSideTap && invertHorizontal -> moveRight()
+
                    else -> activity.toggleMenu()
                }
            }
@@ -16,11 +16,21 @@ class WebtoonConfig(preferences: PreferencesHelper = Injekt.get()) : ViewerConfi
    var sidePadding = 0
        private set

+    // SY -->
+    var enableZoomOut = false
+        private set
+    var zoomPropertyChangedListener: ((Boolean) -> Unit)? = null
+    // SY <--
    init {
        preferences.cropBordersWebtoon()
            .register({ imageCropBorders = it }, { imagePropertyChangedListener?.invoke() })

        preferences.webtoonSidePadding()
            .register({ sidePadding = it }, { imagePropertyChangedListener?.invoke() })
+
+        // SY -->
+        preferences.webtoonEnableZoomOut()
+            .register({ enableZoomOut = it }, { zoomPropertyChangedListener?.invoke(it) })
+        // SY <--
    }
 }
@@ -25,6 +25,14 @@ class WebtoonFrame(context: Context) : FrameLayout(context) {
     */
    private val flingDetector = GestureDetector(context, FlingListener())

+    // SY -->
+    var enableZoomOut = false
+        set(value) {
+            field = value
+            recycler?.canZoomOut = value
+        }
+    // SY <--
+
    /**
     * Recycler view added in this frame.
     */
@@ -33,6 +33,18 @@ open class WebtoonRecyclerView @JvmOverloads constructor(
    private var firstVisibleItemPosition = 0
    private var lastVisibleItemPosition = 0
    private var currentScale = DEFAULT_RATE
+    // SY -->
+    var canZoomOut = false
+        set(value) {
+            field = value
+            if (!value) {
+                zoom(currentScale, DEFAULT_RATE, x, 0f, y, 0f)
+            }
+        }
+
+    private val minRate
+        get() = if (canZoomOut) MIN_RATE else DEFAULT_RATE
+    // SY <--

    private val listener = GestureListener()
    private val detector = Detector()
@@ -163,7 +175,9 @@ open class WebtoonRecyclerView @JvmOverloads constructor(
    fun onScale(scaleFactor: Float) {
        currentScale *= scaleFactor
        currentScale = currentScale.coerceIn(
-            MIN_RATE,
+            // SY -->
+            minRate,
+            // SY <--
            MAX_SCALE_RATE
        )

@@ -190,8 +204,8 @@ open class WebtoonRecyclerView @JvmOverloads constructor(
    }

    fun onScaleEnd() {
-        if (scaleX < MIN_RATE) {
-            zoom(currentScale, MIN_RATE, x, 0f, y, 0f)
+        if (scaleX < /* SY --> */ minRate /* SY <-- */) {
+            zoom(currentScale, /* SY --> */ minRate /* SY <-- */, x, 0f, y, 0f)
        }
    }

@@ -93,17 +93,30 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
                }
            }
        })
-        recycler.tapListener = { event ->
-            val positionY = event.rawY
-            val invertMode = config.tappingInverted
-            val topSideTap = positionY < recycler.height * 0.33f && config.tappingEnabled
-            val bottomSideTap = positionY > recycler.height * 0.66f && config.tappingEnabled
+        recycler.tapListener = f@{ event ->
+            if (!config.tappingEnabled) {
+                activity.toggleMenu()
+                return@f
+            }

-            val tappingInverted = invertMode == TappingInvertMode.VERTICAL || invertMode == TappingInvertMode.BOTH
+            val positionX = event.rawX
+            val positionY = event.rawY
+            val topSideTap = positionY < recycler.height * 0.25f
+            val bottomSideTap = positionY > recycler.height * 0.75f
+            val leftSideTap = positionX < recycler.width * 0.33f
+            val rightSideTap = positionX > recycler.width * 0.66f
+
+            val invertMode = config.tappingInverted
+            val invertVertical = invertMode == TappingInvertMode.VERTICAL || invertMode == TappingInvertMode.BOTH
+            val invertHorizontal = invertMode == TappingInvertMode.HORIZONTAL || invertMode == TappingInvertMode.BOTH

            when {
-                topSideTap && !tappingInverted || bottomSideTap && tappingInverted -> scrollUp()
-                bottomSideTap && !tappingInverted || topSideTap && tappingInverted -> scrollDown()
+                topSideTap && !invertVertical || bottomSideTap && invertVertical -> scrollUp()
+                bottomSideTap && !invertVertical || topSideTap && invertVertical -> scrollDown()
+
+                leftSideTap && !invertHorizontal || rightSideTap && invertHorizontal -> scrollUp()
+                rightSideTap && !invertHorizontal || leftSideTap && invertHorizontal -> scrollDown()
+
                else -> activity.toggleMenu()
            }
        }
@@ -126,6 +139,12 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
            refreshAdapter()
        }

+        // SY -->
+        config.zoomPropertyChangedListener = {
+            frame.enableZoomOut = it
+        }
+        // SY <--
+
        frame.layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)
        frame.addView(recycler)
    }
@@ -7,6 +7,7 @@ import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
+import android.widget.Toast
 import androidx.core.net.toUri
 import androidx.core.text.HtmlCompat
 import androidx.preference.PreferenceScreen
@@ -14,13 +15,16 @@ import com.afollestad.materialdialogs.MaterialDialog
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.cache.ChapterCache
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService.Target
 import eu.kanade.tachiyomi.data.preference.PreferenceKeys as Keys
 import eu.kanade.tachiyomi.network.NetworkHelper
+import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.SourceManager.Companion.DELEGATED_SOURCES
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
+import eu.kanade.tachiyomi.util.lang.launchUI
 import eu.kanade.tachiyomi.util.preference.defaultValue
 import eu.kanade.tachiyomi.util.preference.intListPreference
 import eu.kanade.tachiyomi.util.preference.onChange
@@ -33,18 +37,20 @@ import eu.kanade.tachiyomi.util.preference.titleRes
 import eu.kanade.tachiyomi.util.system.powerManager
 import eu.kanade.tachiyomi.util.system.toast
 import exh.EH_SOURCE_ID
-import exh.EIGHTMUSES_SOURCE_ID
 import exh.EXH_SOURCE_ID
-import exh.HITOMI_SOURCE_ID
-import exh.NHENTAI_SOURCE_ID
-import exh.PERV_EDEN_EN_SOURCE_ID
-import exh.PERV_EDEN_IT_SOURCE_ID
 import exh.debug.SettingsDebugController
 import exh.log.EHLogLevel
 import exh.source.BlacklistedSources
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy

 class SettingsAdvancedController : SettingsController() {
@@ -141,6 +147,17 @@ class SettingsAdvancedController : SettingsController() {
        }

        // --> EXH
+        preferenceCategory {
+            titleRes = R.string.group_downloader
+
+            preference {
+                titleRes = R.string.clean_up_downloaded_chapters
+                summaryRes = R.string.delete_unused_chapters
+
+                onClick { cleanupDownloads() }
+            }
+        }
+
        preferenceCategory {
            titleRes = R.string.developer_tools
            isPersistent = false
@@ -159,21 +176,6 @@ class SettingsAdvancedController : SettingsController() {
                        if (EXH_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
                            BlacklistedSources.HIDDEN_SOURCES += EXH_SOURCE_ID
                        }
-                        if (PERV_EDEN_EN_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES += PERV_EDEN_EN_SOURCE_ID
-                        }
-                        if (PERV_EDEN_IT_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES += PERV_EDEN_IT_SOURCE_ID
-                        }
-                        if (NHENTAI_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES += NHENTAI_SOURCE_ID
-                        }
-                        if (HITOMI_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES += HITOMI_SOURCE_ID
-                        }
-                        if (EIGHTMUSES_SOURCE_ID !in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES += EIGHTMUSES_SOURCE_ID
-                        }
                    } else {
                        if (EH_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
                            BlacklistedSources.HIDDEN_SOURCES -= EH_SOURCE_ID
@@ -181,21 +183,6 @@ class SettingsAdvancedController : SettingsController() {
                        if (EXH_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
                            BlacklistedSources.HIDDEN_SOURCES -= EXH_SOURCE_ID
                        }
-                        if (PERV_EDEN_EN_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES -= PERV_EDEN_EN_SOURCE_ID
-                        }
-                        if (PERV_EDEN_IT_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES -= PERV_EDEN_IT_SOURCE_ID
-                        }
-                        if (NHENTAI_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES -= NHENTAI_SOURCE_ID
-                        }
-                        if (HITOMI_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES -= HITOMI_SOURCE_ID
-                        }
-                        if (EIGHTMUSES_SOURCE_ID in BlacklistedSources.HIDDEN_SOURCES) {
-                            BlacklistedSources.HIDDEN_SOURCES -= EIGHTMUSES_SOURCE_ID
-                        }
                    }
                    true
                }
@@ -237,6 +224,35 @@ class SettingsAdvancedController : SettingsController() {
        // <-- EXH
    }

+    // SY -->
+    private fun cleanupDownloads() {
+        if (job?.isActive == true) return
+        activity?.toast(R.string.starting_cleanup)
+        job = GlobalScope.launch(Dispatchers.IO, CoroutineStart.DEFAULT) {
+            val mangaList = db.getMangas().executeAsBlocking()
+            val sourceManager: SourceManager = Injekt.get()
+            val downloadManager: DownloadManager = Injekt.get()
+            var foldersCleared = 0
+            mangaList.forEach { manga ->
+                val chapterList = db.getChapters(manga).executeAsBlocking()
+                val source = sourceManager.getOrStub(manga.source)
+                foldersCleared += downloadManager.cleanupChapters(chapterList, manga, source)
+            }
+            launchUI {
+                val activity = activity ?: return@launchUI
+                val cleanupString =
+                    if (foldersCleared == 0) activity.getString(R.string.no_folders_to_cleanup)
+                    else resources!!.getQuantityString(
+                        R.plurals.cleanup_done,
+                        foldersCleared,
+                        foldersCleared
+                    )
+                activity.toast(cleanupString, Toast.LENGTH_LONG)
+            }
+        }
+    }
+    // SY <--
+
    private fun clearChapterCache() {
        if (activity == null) return
        val files = chapterCache.cacheDir.listFiles() ?: return
@@ -281,5 +297,7 @@ class SettingsAdvancedController : SettingsController() {

    private companion object {
        const val CLEAR_CACHE_KEY = "pref_clear_cache_key"
+
+        private var job: Job? = null
    }
 }
@@ -21,7 +21,6 @@ import eu.kanade.tachiyomi.data.backup.BackupRestoreValidator
 import eu.kanade.tachiyomi.data.backup.models.Backup
 import eu.kanade.tachiyomi.data.preference.PreferenceKeys as Keys
 import eu.kanade.tachiyomi.data.preference.asImmediateFlow
-import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.ui.base.controller.requestPermissionsSafe
 import eu.kanade.tachiyomi.util.preference.defaultValue
@@ -37,8 +36,6 @@ import eu.kanade.tachiyomi.util.system.getFilePicker
 import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get

 class SettingsBackupController : SettingsController() {

@@ -258,16 +255,12 @@ class SettingsBackupController : SettingsController() {
            return try {
                var message = activity.getString(R.string.backup_restore_content)

-                val sources = BackupRestoreValidator.validate(activity, uri)
-                if (sources.isNotEmpty()) {
-                    val sourceManager = Injekt.get<SourceManager>()
-                    val missingSources = sources
-                        .filter { sourceManager.get(it.key) == null }
-                        .values
-                        .sorted()
-                    if (missingSources.isNotEmpty()) {
-                        message += "\n\n${activity.getString(R.string.backup_restore_missing_sources)}\n${missingSources.joinToString("\n") { "- $it" }}"
-                    }
+                val results = BackupRestoreValidator.validate(activity, uri)
+                if (results.missingSources.isNotEmpty()) {
+                    message += "\n\n${activity.getString(R.string.backup_restore_missing_sources)}\n${results.missingSources.joinToString("\n") { "- $it" }}"
+                }
+                if (results.missingTrackers.isNotEmpty()) {
+                    message += "\n\n${activity.getString(R.string.backup_restore_missing_trackers)}\n${results.missingTrackers.joinToString("\n") { "- $it" }}"
                }

                MaterialDialog(activity)
@@ -65,7 +65,7 @@ class SettingsDownloadController : SettingsController() {
            defaultValue = true
        }
        preferenceCategory {
-            titleRes = R.string.pref_remove_after_read
+            titleRes = R.string.pref_category_delete_chapters

            switchPreference {
                key = Keys.removeAfterMarkedAsRead
@@ -84,6 +84,11 @@ class SettingsDownloadController : SettingsController() {
                defaultValue = "-1"
                summary = "%s"
            }
+            switchPreference {
+                key = Keys.removeBookmarkedChapters
+                titleRes = R.string.pref_remove_bookmarked_chapters
+                defaultValue = false
+            }
        }

        val dbCategories = db.getCategories().executeAsBlocking()
@@ -205,7 +205,6 @@ class SettingsGeneralController : SettingsController() {
                    "sr",
                    "sv",
                    "th",
-                    "tl",
                    "tr",
                    "uk",
                    "ur-rPK",
@@ -1,34 +0,0 @@
-package eu.kanade.tachiyomi.ui.setting
-
-import androidx.preference.PreferenceScreen
-import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.data.preference.PreferenceKeys
-import eu.kanade.tachiyomi.util.preference.defaultValue
-import eu.kanade.tachiyomi.util.preference.summaryRes
-import eu.kanade.tachiyomi.util.preference.switchPreference
-import eu.kanade.tachiyomi.util.preference.titleRes
-
-/**
- * hitomi.la Settings fragment
- */
-
-class SettingsHlController : SettingsController() {
-    override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
-        titleRes = R.string.pref_category_hl
-
-        switchPreference {
-            titleRes = R.string.high_quality_thumbnails
-            summaryRes = R.string.high_quality_thumbnails_summary
-            key = PreferenceKeys.eh_hl_useHighQualityThumbs
-            defaultValue = false
-        }
-
-        switchPreference {
-            titleRes = R.string.always_download_webp
-            summaryOn = context.getString(R.string.always_download_webp_summary_on)
-            summaryOff = context.getString(R.string.always_download_webp_summary_off)
-            key = PreferenceKeys.hitomiAlwaysWebp
-            defaultValue = true
-        }
-    }
-}
@@ -65,6 +65,12 @@ class SettingsMainController : SettingsController() {
            titleRes = R.string.pref_category_security
            onClick { navigateTo(SettingsSecurityController()) }
        }
+        // preference {
+        //     iconRes = R.drawable.ic_outline_people_alt_24dp
+        //     iconTint = tintColor
+        //     titleRes = R.string.pref_category_parental_controls
+        //     onClick { navigateTo(SettingsParentalControlsController()) }
+        // }
        // SY -->
        if (preferences.eh_isHentaiEnabled().get()) {
            preference {
@@ -73,18 +79,6 @@ class SettingsMainController : SettingsController() {
                titleRes = R.string.pref_category_eh
                onClick { navigateTo(SettingsEhController()) }
            }
-            preference {
-                iconRes = R.drawable.eh_ic_nhlogo_color
-                iconTint = tintColor
-                titleRes = R.string.pref_category_nh
-                onClick { navigateTo(SettingsNhController()) }
-            }
-            preference {
-                iconRes = R.drawable.eh_ic_hllogo
-                iconTint = tintColor
-                titleRes = R.string.pref_category_hl
-                onClick { navigateTo(SettingsHlController()) }
-            }
        }
        // SY <--
        preference {
@@ -1,26 +0,0 @@
-package eu.kanade.tachiyomi.ui.setting
-
-import androidx.preference.PreferenceScreen
-import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.data.preference.PreferenceKeys
-import eu.kanade.tachiyomi.util.preference.defaultValue
-import eu.kanade.tachiyomi.util.preference.summaryRes
-import eu.kanade.tachiyomi.util.preference.switchPreference
-import eu.kanade.tachiyomi.util.preference.titleRes
-
-/**
- * nhentai Settings fragment
- */
-
-class SettingsNhController : SettingsController() {
-    override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
-        titleRes = R.string.pref_category_nh
-
-        switchPreference {
-            titleRes = R.string.high_quality_thumbnails
-            summaryRes = R.string.high_quality_thumbnails_summary
-            key = PreferenceKeys.eh_nh_useHighQualityThumbs
-            defaultValue = false
-        }
-    }
-}
@@ -0,0 +1,40 @@
+package eu.kanade.tachiyomi.ui.setting
+
+import androidx.preference.PreferenceScreen
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferenceKeys as Keys
+import eu.kanade.tachiyomi.data.preference.PreferenceValues as Values
+import eu.kanade.tachiyomi.util.preference.defaultValue
+import eu.kanade.tachiyomi.util.preference.entriesRes
+import eu.kanade.tachiyomi.util.preference.infoPreference
+import eu.kanade.tachiyomi.util.preference.listPreference
+import eu.kanade.tachiyomi.util.preference.preferenceCategory
+import eu.kanade.tachiyomi.util.preference.titleRes
+
+class SettingsParentalControlsController : SettingsController() {
+
+    override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
+        titleRes = R.string.pref_category_parental_controls
+
+        listPreference {
+            key = Keys.allowNsfwSource
+            titleRes = R.string.pref_allow_nsfw_sources
+            entriesRes = arrayOf(
+                R.string.pref_allow_nsfw_sources_allowed,
+                R.string.pref_allow_nsfw_sources_allowed_multisource,
+                R.string.pref_allow_nsfw_sources_blocked
+            )
+            entryValues = arrayOf(
+                Values.NsfwAllowance.ALLOWED.name,
+                Values.NsfwAllowance.PARTIAL.name,
+                Values.NsfwAllowance.BLOCKED.name
+            )
+            defaultValue = Values.NsfwAllowance.ALLOWED.name
+            summary = "%s"
+        }
+
+        preferenceCategory {
+            infoPreference(R.string.parental_controls_info)
+        }
+    }
+}
@@ -78,9 +78,9 @@ class SettingsReaderController : SettingsController() {
            intListPreference {
                key = Keys.readerTheme
                titleRes = R.string.pref_reader_theme
-                entriesRes = arrayOf(R.string.black_background, R.string.gray_background, R.string.white_background)
-                entryValues = arrayOf("1", "2", "0")
-                defaultValue = "1"
+                entriesRes = arrayOf(R.string.black_background, R.string.gray_background, R.string.white_background, R.string.smart_based_on_page, R.string.smart_based_on_page_and_theme)
+                entryValues = arrayOf("1", "2", "0", "3", "4")
+                defaultValue = "3"
                summary = "%s"
            }
            switchPreference {
@@ -294,6 +294,11 @@ class SettingsReaderController : SettingsController() {
                titleRes = R.string.pref_crop_borders
                defaultValue = false
            }
+            switchPreference {
+                key = Keys.webtoonEnableZoomOut
+                titleRes = R.string.enable_zoom_out
+                defaultValue = false
+            }
        }

        preferenceCategory {
@@ -11,6 +11,8 @@ import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.anilist.AnilistApi
 import eu.kanade.tachiyomi.data.track.bangumi.BangumiApi
 import eu.kanade.tachiyomi.data.track.shikimori.ShikimoriApi
+import eu.kanade.tachiyomi.ui.setting.track.TrackLoginDialog
+import eu.kanade.tachiyomi.ui.setting.track.TrackLogoutDialog
 import eu.kanade.tachiyomi.util.preference.defaultValue
 import eu.kanade.tachiyomi.util.preference.infoPreference
 import eu.kanade.tachiyomi.util.preference.initThenAdd
@@ -20,8 +22,6 @@ import eu.kanade.tachiyomi.util.preference.switchPreference
 import eu.kanade.tachiyomi.util.preference.titleRes
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.widget.preference.LoginPreference
-import eu.kanade.tachiyomi.widget.preference.TrackLoginDialog
-import eu.kanade.tachiyomi.widget.preference.TrackLogoutDialog
 import uy.kohesive.injekt.injectLazy

 class SettingsTrackingController :
@@ -1,4 +1,4 @@
-package eu.kanade.tachiyomi.widget.preference
+package eu.kanade.tachiyomi.ui.setting.track

 import android.os.Bundle
 import android.view.View
@@ -7,6 +7,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.util.system.toast
+import eu.kanade.tachiyomi.widget.preference.LoginDialogPreference
 import kotlinx.android.synthetic.main.pref_account_login.view.login
 import kotlinx.android.synthetic.main.pref_account_login.view.password
 import kotlinx.android.synthetic.main.pref_account_login.view.username
@@ -1,4 +1,4 @@
-package eu.kanade.tachiyomi.widget.preference
+package eu.kanade.tachiyomi.ui.setting.track

 import android.app.Dialog
 import android.os.Bundle
@@ -9,19 +9,18 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.webkit.WebChromeClient
-import android.webkit.WebResourceRequest
 import android.webkit.WebView
 import android.widget.Toast
 import androidx.core.graphics.ColorUtils
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
-import androidx.webkit.WebViewClientCompat
 import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.databinding.WebviewActivityBinding
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.ui.base.activity.BaseActivity
+import eu.kanade.tachiyomi.util.system.WebViewClientCompat
 import eu.kanade.tachiyomi.util.system.WebViewUtil
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.openInBrowser
@@ -100,8 +99,8 @@ class WebViewActivity : BaseActivity<WebviewActivityBinding>() {
            }

            binding.webview.webViewClient = object : WebViewClientCompat() {
-                override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
-                    view.loadUrl(request.url.toString())
+                override fun shouldOverrideUrlCompat(view: WebView, url: String): Boolean {
+                    view.loadUrl(url)
                    return true
                }

@@ -34,14 +34,12 @@ object DiskUtil {
     * Gets the available space for the disk that a file path points to, in bytes.
     */
    fun getAvailableStorageSpace(f: UniFile): Long {
-        val stat = try {
-            StatFs(f.filePath)
+        return try {
+            val stat = StatFs(f.uri.path)
+            stat.availableBlocksLong * stat.blockSizeLong
        } catch (_: Exception) {
-            // Assume that exception is thrown when path is on external storage
-            StatFs(Environment.getExternalStorageDirectory().path)
+            -1L
        }
-
-        return stat.availableBlocksLong * stat.blockSizeLong
    }

    /**
@@ -1,7 +1,15 @@
 package eu.kanade.tachiyomi.util.system

+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.graphics.drawable.Drawable
+import android.graphics.drawable.GradientDrawable
+import eu.kanade.tachiyomi.R
 import java.io.InputStream
 import java.net.URLConnection
+import kotlin.math.abs

 object ImageUtil {

@@ -71,4 +79,205 @@ object ImageUtil {
        GIF("image/gif", "gif"),
        WEBP("image/webp", "webp")
    }
+
+    // SY -->
+    fun autoSetBackground(image: Bitmap?, alwaysUseWhite: Boolean, context: Context): Drawable {
+        val backgroundColor = if (alwaysUseWhite) Color.WHITE else {
+            context.getResourceColor(R.attr.colorPrimary)
+        }
+        if (image == null) return ColorDrawable(backgroundColor)
+        if (image.width < 50 || image.height < 50) {
+            return ColorDrawable(backgroundColor)
+        }
+        val top = 5
+        val bot = image.height - 5
+        val left = (image.width * 0.0275).toInt()
+        val right = image.width - left
+        val midX = image.width / 2
+        val midY = image.height / 2
+        val offsetX = (image.width * 0.01).toInt()
+        val offsetY = (image.height * 0.01).toInt()
+        val topLeftIsDark = isDark(image.getPixel(left, top))
+        val topRightIsDark = isDark(image.getPixel(right, top))
+        val midLeftIsDark = isDark(image.getPixel(left, midY))
+        val midRightIsDark = isDark(image.getPixel(right, midY))
+        val topMidIsDark = isDark(image.getPixel(midX, top))
+        val botLeftIsDark = isDark(image.getPixel(left, bot))
+        val botRightIsDark = isDark(image.getPixel(right, bot))
+
+        var darkBG = (topLeftIsDark && (botLeftIsDark || botRightIsDark || topRightIsDark || midLeftIsDark || topMidIsDark)) ||
+            (topRightIsDark && (botRightIsDark || botLeftIsDark || midRightIsDark || topMidIsDark))
+
+        if (!isWhite(image.getPixel(left, top)) && pixelIsClose(image.getPixel(left, top), image.getPixel(midX, top)) &&
+            !isWhite(image.getPixel(midX, top)) && pixelIsClose(image.getPixel(midX, top), image.getPixel(right, top)) &&
+            !isWhite(image.getPixel(right, top)) && pixelIsClose(image.getPixel(right, top), image.getPixel(right, bot)) &&
+            !isWhite(image.getPixel(right, bot)) && pixelIsClose(image.getPixel(right, bot), image.getPixel(midX, bot)) &&
+            !isWhite(image.getPixel(midX, bot)) && pixelIsClose(image.getPixel(midX, bot), image.getPixel(left, bot)) &&
+            !isWhite(image.getPixel(left, bot)) && pixelIsClose(image.getPixel(left, bot), image.getPixel(left, top))
+        ) {
+            return ColorDrawable(image.getPixel(left, top))
+        }
+
+        if (isWhite(image.getPixel(left, top)).toInt() +
+            isWhite(image.getPixel(right, top)).toInt() +
+            isWhite(image.getPixel(left, bot)).toInt() +
+            isWhite(image.getPixel(right, bot)).toInt() > 2
+        ) {
+            darkBG = false
+        }
+
+        var blackPixel = when {
+            topLeftIsDark -> image.getPixel(left, top)
+            topRightIsDark -> image.getPixel(right, top)
+            botLeftIsDark -> image.getPixel(left, bot)
+            botRightIsDark -> image.getPixel(right, bot)
+            else -> backgroundColor
+        }
+
+        var overallWhitePixels = 0
+        var overallBlackPixels = 0
+        var topBlackStreak = 0
+        var topWhiteStreak = 0
+        var botBlackStreak = 0
+        var botWhiteStreak = 0
+        outer@ for (x in intArrayOf(left, right, left - offsetX, right + offsetX)) {
+            var whitePixelsStreak = 0
+            var whitePixels = 0
+            var blackPixelsStreak = 0
+            var blackPixels = 0
+            var blackStreak = false
+            var whiteStrak = false
+            val notOffset = x == left || x == right
+            for ((index, y) in (0 until image.height step image.height / 25).withIndex()) {
+                val pixel = image.getPixel(x, y)
+                val pixelOff = image.getPixel(x + (if (x < image.width / 2) -offsetX else offsetX), y)
+                if (isWhite(pixel)) {
+                    whitePixelsStreak++
+                    whitePixels++
+                    if (notOffset) {
+                        overallWhitePixels++
+                    }
+                    if (whitePixelsStreak > 14) {
+                        whiteStrak = true
+                    }
+                    if (whitePixelsStreak > 6 && whitePixelsStreak >= index - 1) {
+                        topWhiteStreak = whitePixelsStreak
+                    }
+                } else {
+                    whitePixelsStreak = 0
+                    if (isDark(pixel) && isDark(pixelOff)) {
+                        blackPixels++
+                        if (notOffset) {
+                            overallBlackPixels++
+                        }
+                        blackPixelsStreak++
+                        if (blackPixelsStreak >= 14) {
+                            blackStreak = true
+                        }
+                        continue
+                    }
+                }
+                if (blackPixelsStreak > 6 && blackPixelsStreak >= index - 1) {
+                    topBlackStreak = blackPixelsStreak
+                }
+                blackPixelsStreak = 0
+            }
+            if (blackPixelsStreak > 6) {
+                botBlackStreak = blackPixelsStreak
+            } else if (whitePixelsStreak > 6) {
+                botWhiteStreak = whitePixelsStreak
+            }
+            when {
+                blackPixels > 22 -> {
+                    if (x == right || x == right + offsetX) {
+                        blackPixel = when {
+                            topRightIsDark -> image.getPixel(right, top)
+                            botRightIsDark -> image.getPixel(right, bot)
+                            else -> blackPixel
+                        }
+                    }
+                    darkBG = true
+                    overallWhitePixels = 0
+                    break@outer
+                }
+                blackStreak -> {
+                    darkBG = true
+                    if (x == right || x == right + offsetX) {
+                        blackPixel = when {
+                            topRightIsDark -> image.getPixel(right, top)
+                            botRightIsDark -> image.getPixel(right, bot)
+                            else -> blackPixel
+                        }
+                    }
+                    if (blackPixels > 18) {
+                        overallWhitePixels = 0
+                        break@outer
+                    }
+                }
+                whiteStrak || whitePixels > 22 -> darkBG = false
+            }
+        }
+
+        val topIsBlackStreak = topBlackStreak > topWhiteStreak
+        val bottomIsBlackStreak = botBlackStreak > botWhiteStreak
+        if (overallWhitePixels > 9 && overallWhitePixels > overallBlackPixels) {
+            darkBG = false
+        }
+        if (topIsBlackStreak && bottomIsBlackStreak) {
+            darkBG = true
+        }
+        if (darkBG) {
+            return if (isWhite(image.getPixel(left, bot)) && isWhite(image.getPixel(right, bot))) {
+                GradientDrawable(
+                    GradientDrawable.Orientation.TOP_BOTTOM,
+                    intArrayOf(blackPixel, blackPixel, backgroundColor, backgroundColor)
+                )
+            } else if (isWhite(image.getPixel(left, top)) && isWhite(image.getPixel(right, top))) {
+                GradientDrawable(
+                    GradientDrawable.Orientation.TOP_BOTTOM,
+                    intArrayOf(backgroundColor, backgroundColor, blackPixel, blackPixel)
+                )
+            } else ColorDrawable(blackPixel)
+        }
+        if (topIsBlackStreak || (
+            topLeftIsDark && topRightIsDark &&
+                isDark(image.getPixel(left - offsetX, top)) && isDark(image.getPixel(right + offsetX, top)) &&
+                (topMidIsDark || overallBlackPixels > 9)
+            )
+        ) {
+            return GradientDrawable(
+                GradientDrawable.Orientation.TOP_BOTTOM,
+                intArrayOf(blackPixel, blackPixel, backgroundColor, backgroundColor)
+            )
+        } else if (bottomIsBlackStreak || (
+            botLeftIsDark && botRightIsDark &&
+                isDark(image.getPixel(left - offsetX, bot)) && isDark(image.getPixel(right + offsetX, bot)) &&
+                (isDark(image.getPixel(midX, bot)) || overallBlackPixels > 9)
+            )
+        ) {
+            return GradientDrawable(
+                GradientDrawable.Orientation.TOP_BOTTOM,
+                intArrayOf(backgroundColor, backgroundColor, blackPixel, blackPixel)
+            )
+        }
+        return ColorDrawable(backgroundColor)
+    }
+
+    private fun isDark(color: Int): Boolean {
+        return Color.red(color) < 40 && Color.blue(color) < 40 && Color.green(color) < 40 &&
+            Color.alpha(color) > 200
+    }
+
+    private fun isWhite(color: Int): Boolean {
+        return Color.red(color) + Color.blue(color) + Color.green(color) > 740
+    }
+
+    private fun Boolean.toInt() = if (this) 1 else 0
+
+    private fun pixelIsClose(color1: Int, color2: Int): Boolean {
+        return abs(Color.red(color1) - Color.red(color2)) < 30 &&
+            abs(Color.green(color1) - Color.green(color2)) < 30 &&
+            abs(Color.blue(color1) - Color.blue(color2)) < 30
+    }
+    // SY <--
 }
@@ -0,0 +1,91 @@
+package eu.kanade.tachiyomi.util.system
+
+import android.annotation.TargetApi
+import android.os.Build
+import android.webkit.WebResourceError
+import android.webkit.WebResourceRequest
+import android.webkit.WebResourceResponse
+import android.webkit.WebView
+import android.webkit.WebViewClient
+
+@Suppress("OverridingDeprecatedMember")
+abstract class WebViewClientCompat : WebViewClient() {
+
+    open fun shouldOverrideUrlCompat(view: WebView, url: String): Boolean {
+        return false
+    }
+
+    open fun shouldInterceptRequestCompat(view: WebView, url: String): WebResourceResponse? {
+        return null
+    }
+
+    open fun onReceivedErrorCompat(
+        view: WebView,
+        errorCode: Int,
+        description: String?,
+        failingUrl: String,
+        isMainFrame: Boolean
+    ) {
+    }
+
+    @TargetApi(Build.VERSION_CODES.N)
+    final override fun shouldOverrideUrlLoading(
+        view: WebView,
+        request: WebResourceRequest
+    ): Boolean {
+        return shouldOverrideUrlCompat(view, request.url.toString())
+    }
+
+    final override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
+        return shouldOverrideUrlCompat(view, url)
+    }
+
+    final override fun shouldInterceptRequest(
+        view: WebView,
+        request: WebResourceRequest
+    ): WebResourceResponse? {
+        return shouldInterceptRequestCompat(view, request.url.toString())
+    }
+
+    final override fun shouldInterceptRequest(
+        view: WebView,
+        url: String
+    ): WebResourceResponse? {
+        return shouldInterceptRequestCompat(view, url)
+    }
+
+    @TargetApi(Build.VERSION_CODES.M)
+    final override fun onReceivedError(
+        view: WebView,
+        request: WebResourceRequest,
+        error: WebResourceError
+    ) {
+        onReceivedErrorCompat(
+            view, error.errorCode, error.description?.toString(),
+            request.url.toString(), request.isForMainFrame
+        )
+    }
+
+    final override fun onReceivedError(
+        view: WebView,
+        errorCode: Int,
+        description: String?,
+        failingUrl: String
+    ) {
+        onReceivedErrorCompat(view, errorCode, description, failingUrl, failingUrl == view.url)
+    }
+
+    @TargetApi(Build.VERSION_CODES.M)
+    final override fun onReceivedHttpError(
+        view: WebView,
+        request: WebResourceRequest,
+        error: WebResourceResponse
+    ) {
+        onReceivedErrorCompat(
+            view, error.statusCode, error.reasonPhrase,
+            request.url
+                .toString(),
+            request.isForMainFrame
+        )
+    }
+}
@@ -18,8 +18,9 @@ class ElevationAppBarLayout @JvmOverloads constructor(
        origStateAnimator = stateListAnimator
    }

-    fun enableElevation() {
+    fun enableElevation(liftOnScroll: Boolean) {
        stateListAnimator = origStateAnimator
+        isLiftOnScroll = liftOnScroll
    }

    fun disableElevation() {
@@ -109,6 +109,22 @@ open class ExtendedNavigationView @JvmOverloads constructor(
        }

        // SY -->
+        class DrawableSelection(val id: Int, group: Group, stringResId: Int, val drawable: Int) : MultiStateGroup(stringResId, group) {
+
+            companion object {
+                const val NOT_SELECTED = 0
+                const val SELECTED = 1
+            }
+
+            override fun getStateDrawable(context: Context): Drawable? {
+                return when (state) {
+                    SELECTED -> tintVector(context, drawable, R.attr.colorAccent)
+                    NOT_SELECTED -> tintVector(context, drawable, R.attr.colorOnSurface)
+                    else -> null
+                }
+            }
+        }
+
        class TriStateGroup(resId: Int, group: Group) : MultiStateGroup(resId, group) {

            companion object {
@@ -17,10 +17,7 @@ class ThemedSwipeRefreshLayout @JvmOverloads constructor(context: Context, attrs
        // Background is controlled with "swipeRefreshLayoutProgressSpinnerBackgroundColor" in XML

        // This updates the progress arrow color
-        setColorSchemeColors(
-            ContextCompat.getColor(context, R.color.md_white_1000),
-            ContextCompat.getColor(context, R.color.md_white_1000),
-            ContextCompat.getColor(context, R.color.md_white_1000)
-        )
+        val white = ContextCompat.getColor(context, R.color.md_white_1000)
+        setColorSchemeColors(white, white, white)
    }
 }
--- a/Show More
+++ b/Show More