Release 0.10.4

Temporarily hidden until feature is ready for stable release.

.gitattributes

@@ -0,0 +1,24 @@
+* text=auto
+* text eol=lf
+
+# Windows forced line-endings
+/.idea/* text eol=crlf
+
+# Gradle wrapper
+*.jar binary
+
+# Images
+*.webp binary
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.gz binary
+*.zip binary
+*.7z binary
+*.ttf binary
+*.eot binary
+*.woff binary
+*.pyc binary
+*.swp binary

.github/CONTRIBUTING.md

@@ -1,10 +1,10 @@
-1. **Before reporting a new issue, take a look at the [FAQ](https://github.com/inorichi/tachiyomi/wiki/FAQ), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened [issues](https://github.com/inorichi/tachiyomi/issues).**
+1. **Before reporting a new issue, take a look at the [FAQ](https://tachiyomi.org/help/faq/), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened [issues](https://github.com/inorichi/tachiyomi/issues).**
 2. If you are unsure, ask here: [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi)
 3. What is your type of issue?
     * [Catalogue request](#catalogue-requests)
     * [Bugs](#bugs)
     * [Feature requests](#feature-requests)
-    * [Translations](https://github.com/inorichi/tachiyomi/wiki/Translation)
+    * [Translations](https://tachiyomi.org/help/contribution/#translation)
 4. After following 1. and 3. you can [open your issue](https://github.com/inorichi/tachiyomi/issues/new)
 
 ***
@@ -14,9 +14,9 @@
 * Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions#readme, not here
 
 # Bugs
-* Include version (Setting > About > Version)
+* Include version (More > About > Version)
  * If not latest, try updating, it may have already been solved
- * Dev version is equal to the number of commits as seen in the main page
+ * Preview version is equal to the number of commits as seen in the main page
 * Include steps to reproduce (if not obvious from description)
 * Include screenshot (if needed)
 * If it could be device-dependent, try reproducing on another device (if possible)
@@ -29,5 +29,5 @@ DON'T: https://github.com/inorichi/tachiyomi/issues/75
 
 # Feature requests
 
-* Write a detailed issue, explaning what it should do or how. Avoid writing just "like X app does"
+* Write a detailed issue, explaining what it should do or how. Avoid writing just "like X app does"
 * Include screenshot (if needed)

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: inorichi
+ko_fi: inorichi

.github/ISSUE_TEMPLATE.md

@@ -1,17 +1,26 @@
-**DO NOT OPEN ISSUES/REQUESTS RELATING TO EXTENSIONS/CATALOGUES IN THIS REPOSITORY. Open them at the following repository  https://github.com/inorichi/tachiyomi-extensions/**
+**PLEASE READ THIS**
 
-**For all other requests Please fill out the form below and remove the first 3 lines of this template**
+I acknowledge that:
 
-**App version:**
+- I have updated to the latest version of the app (stable is v0.10.4)
+- 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
 
-**Android version:**
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
 
-**Issue/Request:**
+---
 
-**Steps to reproduce (if applicable)**
+## Device information
+* Tachiyomi version: ?
+* Android version: ?
+* Device: ?
 
- 1.
- 2.
- 3.
+## Steps to reproduce
+1. First step
+2. Second step
 
-**Other details:**
+## Issue/Request
+?
+
+## Other details
+Additional details and attachments.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,36 @@
+---
+name: "🐞 Bug report"
+about: Report a bug
+title: "[Bug] <Write short description here>"
+labels: "bug"
+---
+
+**PLEASE READ THIS**
+
+I acknowledge that:
+
+- I have updated to the latest version of the app (stable is v0.10.4)
+- 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
+
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+
+---
+
+## Device information
+* Tachiyomi version: ?
+* Android version: ?
+* Device: ?
+
+## Steps to reproduce
+1. First step
+2. Second step
+
+### Expected behavior
+This should happen.
+
+### Actual behavior
+This happened instead.
+
+## Other details
+Additional details and attachments.

.github/ISSUE_TEMPLATE/config.yml

@@ -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.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,24 @@
+---
+name: "🌟 Feature request"
+about: Suggest a feature to improve Tachiyomi
+title: "[Feature Request] <Write short description here>"
+labels: "feature"
+---
+
+**PLEASE READ THIS**
+
+I acknowledge that:
+
+- I have updated to the latest version of the app (stable is v0.10.4)
+- 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
+
+**DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT**
+
+---
+
+## Why/User Benefit/User Problem
+(explain why this feature should be added)
+
+## What/Requirements
+(explain how this feature would behave)

.github/ISSUE_TEMPLATE/source_issue.md

@@ -0,0 +1,8 @@
+---
+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, invalid"
+---
+
+DO NOT OPEN AN ISSUE IN THIS REPO. SEE https://github.com/inorichi/tachiyomi-extensions

.github/workflows/issue_closer.yml

@@ -0,0 +1,34 @@
+name: Issue closer
+on: [issues]
+jobs:
+  autoclose:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Autoclose when created in wrong repo
+      uses: arkon/issue-closer-action@v1.1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        type: title
+        regex: ".*THIS ISSUE IS IN THE WRONG REPO.*"
+        message: "@${issue.user.login} this issue was automatically closed because it was not opened in the correct repo, as the template mentioned."
+    - name: Autoclose when no short description provided
+      uses: arkon/issue-closer-action@v1.1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        type: title
+        regex: ".*<Write short description here>*"
+        message: "@${issue.user.login} this issue was automatically closed because you did not fill out the description in the title."
+    - name: Autoclose when body acknowledgement section not removed
+      uses: arkon/issue-closer-action@v1.1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        type: body
+        regex: ".*DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT.*"
+        message: "@${issue.user.login} this issue was automatically closed because the acknowledgment section was not removed."
+    - name: Autoclose when body requested information not filled out
+      uses: arkon/issue-closer-action@v1.1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        type: body
+        regex: ".*\\* (Tachiyomi version|Android version|Device): \\?.*"
+        message: "@${issue.user.login} this issue was automatically closed because the requested information was not filled out."

.gitignore

@@ -2,8 +2,15 @@
 /local.properties
 /.idea/workspace.xml
 .DS_Store
-/build
 .idea/
 *iml
 *.iml
-*/build
+
+# Built files
+*/build
+/build
+*.apk
+app/**/output.json
+
+# Hebrew assets are copied on build
+app/src/main/res/values-iw/

.travis.yml

@@ -1,58 +1,81 @@
+dist: trusty
 language: android
+
 android:
   components:
-  - build-tools-28.0.3
-  - android-27
-  - extra-android-m2repository
-  - extra-google-m2repository
-  - extra-android-support
-  - extra-google-google_play_services
+    - tools
+    - platform-tools
+    - build-tools-29.0.3
+    - android-29
+    - extra-android-m2repository
+    - extra-google-m2repository
+    - extra-android-support
+    - extra-google-google_play_services
+
   licenses:
-  - android-sdk-license-.+
+    - 'android-sdk-license-.+'
+    - 'android-sdk-preview-license-.+'
+
 before_install:
-- yes | sdkmanager "platforms;android-27" # workaround for accepting the license
-- if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then
+  - yes | sdkmanager "platforms;android-29" # workaround for accepting the license
+  - if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then
     openssl aes-256-cbc -K $encrypted_e56be693d4fd_key -iv $encrypted_e56be693d4fd_iv -in "$PWD/.travis/secrets.tar.enc" -out secrets.tar -d;
     tar xf secrets.tar;
     mv debug.keystore "$HOME/.android";
-  fi
-- git clone https://github.com/urho3d/android-ndk.git $HOME/android-ndk-root
-- export ANDROID_NDK_HOME=$HOME/android-ndk-root
-- mkdir "$ANDROID_HOME/licenses" || true
-- echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
-- echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
+    fi
+  - mkdir "$ANDROID_HOME/licenses" || true
+  - echo -e "\n24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_HOME/licenses/android-sdk-license"
+  - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
+
+install:
+  - echo y | sdkmanager "ndk-bundle"
+
+before_script:
+  - export ANDROID_NDK_HOME=$ANDROID_HOME/ndk-bundle
+
 script: ".travis/build.sh"
+
 before_cache:
-- rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
-- rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
 cache:
   directories:
-  - "$HOME/.gradle/caches/"
-  - "$HOME/.gradle/wrapper/"
-  - "$HOME/.android/build-cache"
+    - "$HOME/.gradle/caches/"
+    - "$HOME/.gradle/wrapper/"
+    - "$HOME/.android/build-cache"
+
 deploy:
-- provider: releases
-  api_key:
-    secure: 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
-  file: tachiyomi-v*.apk
-  file_glob: true
-  skip_cleanup: true
-  on:
-    tags: true
-    repo: inorichi/tachiyomi
-- provider: script
-  script: ".travis/deploy.sh"
-  skip_cleanup: true
-  on:
-    branch: master
-    condition: "-z $TRAVIS_TAG"
-    repo: inorichi/tachiyomi
+  - provider: releases
+    api_key:
+      secure: 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
+    file: tachiyomi-v*.apk
+    file_glob: true
+    skip_cleanup: true
+    on:
+      tags: true
+      repo: inorichi/tachiyomi
+  - provider: script
+    script: ".travis/deploy.sh"
+    skip_cleanup: true
+    on:
+      branch: master
+      condition: "-z $TRAVIS_TAG"
+      repo: inorichi/tachiyomi
+  - provider: script
+    script: ".travis/deploy.sh"
+    skip_cleanup: true
+    on:
+      branch: dev
+      condition: "-z $TRAVIS_TAG"
+      repo: inorichi/tachiyomi
+
 env:
   global:
-  - secure: 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
-  - secure: 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
-  - secure: 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
-  - secure: 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
-  - secure: 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
-  - secure: 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
-  - secure: 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
+    - secure: Ita1+tzo7P5IC2yqU3KgRcXt+5DTpP0103Hx/ECYi42/7rLt+TC7PMjl2yH3Z189+tGwLq0Ol1KJ2Z5Rn3q7EaQgD0+WRkH/ijtrjKoVh7dyItIBp7yowZpA0TJHQ4EZpGSxZakKbIP4di8XMxJ2+5VzEivYUt04LCUpzugemL6b6XOfUmOZykVxV2UDAlPPggklITYBXkHUa0mwJhjS1aPPeeR3PhVXomkqfuOJOKejPXXXJope9fhAnmopHA7ISfjIrTuwDVQJqNSuco+O9kQShmlu0C8pob1vFGPEDvafaDS8SZ9A6gKT1ZfgSUqVmvDbx0WLX8XugBLrQedtZv63esOa1WUyGhgFVpeJjexlszXlhyfP1gH5QbzRr+EiSaagCyjf9II2veLAtU5cFY+nj6KBdKQsazIMRHf8SAQlWASyJYMED/N9RnUFxSf1rnLGqiY2ezjycx4ieFj7vhlbTgyao1GHjjR9cwNuntdMYWhY8+Vc7Fctmzm46xOyyz9oJGdyim76Y4w4MZvQNKeZOBAjdEgX6cXBk15scoM2Vj9ENox+MKZLaKRawXg2U1ujK+bWAQkXiVvPriv05/JtYsNUft8qAsm+69vtohDsUW7Wu0bBIKDL+v0W30ty1PpyNehBB2OquUE7fp53gitOmYl7TyuxktkMY8PXKKU=
+    - secure: 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
+    - secure: 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
+    - secure: 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
+    - secure: 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
+    - secure: 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
+    - secure: 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

.travis/build.sh

@@ -2,8 +2,6 @@
 
 git fetch --unshallow #required for commit count
 
-cp .travis/google-services.json app/
-
 if [ -z "$TRAVIS_TAG" ]; then
     ./gradlew clean assembleStandardDebug
 

PREVIEW_RELEASE_NOTES.md

@@ -0,0 +1,28 @@
+### r1810
+- Background jobs were migrated to a new system. You may need to toggle the settings to ensure they
+run properly. This includes app updates, library updates, and automatic backups.
+
+### r1340
+- A new screen for managing extensions was added. If you previously installed extensions from FDroid,
+you will have to uninstall all of them first (tap on the extension then uninstall), otherwise you won't be able
+to update them due to signature mismatch. You won't lose anything in this process as the extensions themselves
+don't store anything.
+
+### r959
+- The download manager has been rewritten and it's possible some of your downloads
+aren't recognized anymore. You may have to check your downloads folder and manually delete those.
+- You can now download to any folder in your SD card.
+- The download directory setting has been reset.
+
+### r857
+- **Important!** Delete after read has been updated.
+This means the value has been reset set to disabled.
+This can be changed in Settings > Downloads
+
+### r736
+- **Important!** Now chapters follow the order of the sources. **It's required that you update your entire library
+before reading in order for them to be synced.** Old behavior can be restored for a manga in the overflow menu of the chapters tab.
+
+### r724
+- Kissmanga covers may not load anymore. The only workaround is to update the details of the manga
+from the info tab, or clearing the database (the latter won't fix covers from library manga).

README.md

@@ -1,29 +1,29 @@
-| Build | Stable | Dev | Contribute | Contact |
+| Build | Stable | Weekly Preview | Contribute | Support Server |
 |-------|----------|---------|------------|---------|
-| [![Travis](https://img.shields.io/travis/inorichi/tachiyomi.svg)](https://travis-ci.org/inorichi/tachiyomi) | [![stable release](https://img.shields.io/github/release/inorichi/tachiyomi.svg?maxAge=3600&label=download%20(autoupdate%20included))](https://github.com/inorichi/tachiyomi/releases) | [![latest dev build](https://img.shields.io/badge/download-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest) | [![Translation status](https://hosted.weblate.org/widgets/tachiyomi/-/svg-badge.svg)](https://hosted.weblate.org/engage/tachiyomi/?utm_source=widget) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi) |
+| [![Travis](https://img.shields.io/travis/inorichi/tachiyomi.svg)](https://travis-ci.org/inorichi/tachiyomi) | [![stable release](https://img.shields.io/github/release/inorichi/tachiyomi.svg?maxAge=3600&label=download)](https://github.com/inorichi/tachiyomi/releases) | [![latest weekly build](https://img.shields.io/badge/download-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest) | [![Translation status](https://hosted.weblate.org/widgets/tachiyomi/-/svg-badge.svg)](https://hosted.weblate.org/engage/tachiyomi/?utm_source=widget) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi) |
 
 
 # ![app icon](./.github/readme-images/app-icon.png)Tachiyomi
-Tachiyomi is a free and open source manga reader for Android.
+Tachiyomi is a free and open source manga reader for Android 5.0 and above.
 
 ![screenshots of app](./.github/readme-images/screens.png)
 
 ## Features
 
 Features include:
-* Online reading from sources such as KissManga, MangaFox, [and more](https://github.com/inorichi/tachiyomi-extensions)
+* Online reading from sources such as MangaDex, MangaSee, Mangakakalot, [and more](https://github.com/inorichi/tachiyomi-extensions)
 * Local reading of downloaded manga
-* Configurable reader with multiple viewers, reading directions and other settings
-* [MyAnimeList](https://myanimelist.net/), [AniList](https://anilist.co/), and [Kitsu](https://kitsu.io/explore/anime) support
+* A configurable reader with multiple viewers, reading directions and other settings.
+* [MyAnimeList](https://myanimelist.net/), [AniList](https://anilist.co/), [Kitsu](https://kitsu.io/), [Shikimori](https://shikimori.one), and [Bangumi](https://bgm.tv/) support
 * Categories to organize your library
 * Light and dark themes
 * Schedule updating your library for new chapters
-* Create backups locally to read offline or to your desired cloud service 
+* Create backups locally to read offline or to your desired cloud service
 
 ## Download
 Get the app from our [releases page](https://github.com/inorichi/tachiyomi/releases).
 
-If you want to try new features before they get to the stable release, you can download the dev version [here](http://tachiyomi.kanade.eu/latest). (auto-updates not included)
+If you want to try new features before they get to the stable release, you can download the preview version [here](http://tachiyomi.kanade.eu/latest).
 
 ## Issues, Feature Requests and Contributing
 
@@ -38,9 +38,9 @@ Please make sure to read the full guidelines. Your issue may be closed without w
 
 <details><summary>Bugs</summary>
 
-* Include version (Setting > About > Version)
+* Include version (More > About > Version)
  * If not latest, try updating, it may have already been solved
- * Dev version is equal to the number of commits as seen in the main page
+ * Preview version is equal to the number of commits as seen in the main page
 * Include steps to reproduce (if not obvious from description)
 * Include screenshot (if needed)
 * If it could be device-dependent, try reproducing on another device (if possible)
@@ -55,7 +55,7 @@ DON'T: https://github.com/inorichi/tachiyomi/issues/75
 
 <details><summary>Feature Requests</summary>
 
-* Write a detailed issue, explaning what it should do or how. Avoid writing just "like X app does"
+* Write a detailed issue, explaining what it should do or how. Avoid writing just "like X app does"
 * Include screenshot (if needed)
 
 Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions, they do not belong in this repository.
@@ -63,7 +63,7 @@ Catalogue requests should be created at https://github.com/inorichi/tachiyomi-ex
 
 ## FAQ
 
-[See our wiki.](https://github.com/inorichi/tachiyomi/wiki/FAQ)
+[See our website.](https://tachiyomi.org/)
 You can also reach out to us on [Discord](https://discord.gg/tachiyomi).
 
 ## License

app/.gitignore

@@ -2,4 +2,3 @@
 *iml
 *.iml
 custom.gradle
-google-services.json

app/build.gradle

@@ -1,6 +1,9 @@
+import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile
+
 import java.text.SimpleDateFormat
 
 apply plugin: 'com.android.application'
+apply plugin: 'com.mikepenz.aboutlibraries.plugin'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
@@ -29,41 +32,46 @@ ext {
 }
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion '28.0.3'
-    publishNonDefault true
+    compileSdkVersion AndroidConfig.compileSdk
+    buildToolsVersion AndroidConfig.buildTools
 
     defaultConfig {
         applicationId "eu.kanade.tachiyomi"
-        minSdkVersion 16
-        targetSdkVersion 27
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-        versionCode 41
-        versionName "0.8.3"
+        minSdkVersion AndroidConfig.minSdk
+        targetSdkVersion AndroidConfig.targetSdk
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        versionCode 50
+        versionName "0.10.4"
 
         buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
         buildConfigField "String", "COMMIT_SHA", "\"${getGitSha()}\""
         buildConfigField "String", "BUILD_TIME", "\"${getBuildTime()}\""
         buildConfigField "boolean", "INCLUDE_UPDATER", "false"
 
-        vectorDrawables.useSupportLibrary = true
+        multiDexEnabled true
 
         ndk {
             abiFilters "armeabi-v7a", "arm64-v8a", "x86"
         }
     }
 
+    buildFeatures {
+        viewBinding = true
+    }
+
     buildTypes {
         debug {
             versionNameSuffix "-${getCommitCount()}"
             applicationIdSuffix ".debug"
-            multiDexEnabled true
         }
         release {
-            minifyEnabled true
-            shrinkResources true
-            multiDexEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            postprocessing {
+                obfuscate false
+                optimizeCode true
+                removeUnusedCode false
+                removeUnusedResources true
+                proguardFiles 'proguard-rules.pro'
+            }
         }
     }
 
@@ -78,7 +86,6 @@ android {
             dimension "default"
         }
         dev {
-            minSdkVersion 21
             resConfigs "en", "xxhdpi"
             dimension "default"
         }
@@ -92,79 +99,108 @@ android {
         exclude 'META-INF/NOTICE'
     }
 
+    dependenciesInfo {
+        includeInApk = false
+    }
+
     lintOptions {
+        disable 'MissingTranslation'
+        disable 'ExtraTranslation'
+
         abortOnError false
         checkReleaseBuilds false
     }
 
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
+}
+
+androidExtensions {
+    experimental = true
 }
 
 dependencies {
 
-    // Modified dependencies
-    implementation 'com.github.inorichi:subsampling-scale-image-view:ac0dae7'
-    implementation 'com.github.inorichi:junrar-android:634c1f5'
+    // AndroidX libraries
+    implementation 'androidx.annotation:annotation:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0-alpha01'
+    implementation 'androidx.biometric:biometric:1.0.1'
+    implementation 'androidx.browser:browser:1.2.0'
+    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-alpha05'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
 
-    // Android support library
-    final support_library_version = '27.0.2'
-    implementation "com.android.support:support-v4:$support_library_version"
-    implementation "com.android.support:appcompat-v7:$support_library_version"
-    implementation "com.android.support:cardview-v7:$support_library_version"
-    implementation "com.android.support:design:$support_library_version"
-    implementation "com.android.support:recyclerview-v7:$support_library_version"
-    implementation "com.android.support:preference-v7:$support_library_version"
-    implementation "com.android.support:support-annotations:$support_library_version"
-    implementation "com.android.support:customtabs:$support_library_version"
+    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"
 
-    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
+    // Job scheduling
+    final work_version = '2.4.0'
+    implementation "androidx.work:work-runtime:$work_version"
+    implementation "androidx.work:work-runtime-ktx:$work_version"
 
-    implementation 'com.android.support:multidex:1.0.3'
+    // UI library
+    implementation 'com.google.android.material:material:1.3.0-alpha02'
 
-    standardImplementation 'com.google.firebase:firebase-core:11.8.0'
+    standardImplementation 'com.google.firebase:firebase-core:17.4.4'
 
     // ReactiveX
     implementation 'io.reactivex:rxandroid:1.2.1'
-    implementation 'io.reactivex:rxjava:1.3.6'
+    implementation 'io.reactivex:rxjava:1.3.8'
     implementation 'com.jakewharton.rxrelay:rxrelay:1.2.0'
-    implementation 'com.f2prateek.rx.preferences:rx-preferences:1.0.2'
-    implementation 'com.github.pwittchen:reactivenetwork:0.7.0'
+    implementation 'com.github.pwittchen:reactivenetwork:0.13.0'
 
     // Network client
-    implementation "com.squareup.okhttp3:okhttp:3.10.0"
-    implementation 'com.squareup.okio:okio:1.14.0'
+    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:2.7.0'
+
+    // TLS 1.3 support for Android < 10
+    implementation 'org.conscrypt:conscrypt-android:2.4.0'
 
     // REST
-    final retrofit_version = '2.3.0'
+    final retrofit_version = '2.9.0'
     implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
     implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
 
     // JSON
-    implementation 'com.google.code.gson:gson:2.8.2'
+    implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
 
     // JavaScript engine
-    implementation 'com.squareup.duktape:duktape-android:1.2.0'
+    implementation 'com.squareup.duktape:duktape-android:1.3.0'
 
     // Disk
     implementation 'com.jakewharton:disklrucache:2.0.2'
     implementation 'com.github.inorichi:unifile:e9ee588'
+    implementation 'com.github.inorichi:junrar-android:634c1f5'
 
     // HTML parser
-    implementation 'org.jsoup:jsoup:1.10.2'
-
-    // Job scheduling
-    implementation 'com.evernote:android-job:1.2.5'
-    implementation 'com.google.android.gms:play-services-gcm:11.8.0'
-
-    // Changelog
-    implementation 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
+    implementation 'org.jsoup:jsoup:1.13.1'
 
     // Database
-    implementation 'android.arch.persistence:db:1.0.0'
+    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:3.25.2'
+    implementation 'io.requery:sqlite-android:3.32.2'
+
+    // Preferences
+    implementation 'com.github.tfcporciuncula:flow-preferences:1.3.0'
 
     // Model View Presenter
     final nucleus_version = '3.0.0'
@@ -175,19 +211,18 @@ dependencies {
     implementation "com.github.inorichi.injekt:injekt-core:65b0440"
 
     // Image library
-    final glide_version = '4.6.1'
+    final glide_version = '4.11.0'
     implementation "com.github.bumptech.glide:glide:$glide_version"
     implementation "com.github.bumptech.glide:okhttp3-integration:$glide_version"
     kapt "com.github.bumptech.glide:compiler:$glide_version"
 
-    // Transformations
-    implementation 'jp.wasabeef:glide-transformations:3.1.1'
+    implementation 'com.github.tachiyomiorg:subsampling-scale-image-view:bff2806'
 
     // Logging
-    implementation 'com.jakewharton.timber:timber:4.6.1'
+    implementation 'com.jakewharton.timber:timber:4.7.1'
 
     // Crash reports
-    implementation 'ch.acra:acra:4.9.2'
+    implementation 'ch.acra:acra-http:5.7.0'
 
     // Sort
     implementation 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
@@ -195,35 +230,43 @@ dependencies {
     // UI
     implementation 'com.dmitrymalkovich.android:material-design-dimens:1.4'
     implementation 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
-    implementation 'eu.davidea:flexible-adapter:5.0.0-rc4'
-    implementation 'eu.davidea:flexible-adapter-ui:1.0.0-b1'
+    implementation 'eu.davidea:flexible-adapter:5.1.0'
+    implementation 'eu.davidea:flexible-adapter-ui:1.0.0'
     implementation 'com.nononsenseapps:filepicker:2.5.2'
-    implementation 'com.github.amulyakhare:TextDrawable:558677e'
-    implementation 'com.afollestad.material-dialogs:core:0.9.6.0'
-    implementation 'me.zhanghai.android.systemuihelper:library:1.0.0'
-    implementation 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.0.4'
-    implementation 'com.github.mthli:Slice:v1.2'
-    implementation 'me.gujun.android.taggroup:library:1.4@aar'
-    implementation 'com.github.chrisbanes:PhotoView:2.1.3'
-    implementation 'com.github.inorichi:DirectionalViewPager:3acc51a'
+    implementation 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.1.0'
+    implementation 'com.github.mthli:Slice:v1.3'
+    implementation 'com.github.chrisbanes:PhotoView:2.3.0'
+    implementation 'com.github.carlosesco:DirectionalViewPager:a844dbca0a'
+
+    // 3.2.0+ introduces weird UI blinking or cut off issues on some devices
+    final material_dialogs_version = '3.1.1'
+    implementation "com.afollestad.material-dialogs:core:$material_dialogs_version"
+    implementation "com.afollestad.material-dialogs:input:$material_dialogs_version"
+    implementation "com.afollestad.material-dialogs:datetime:$material_dialogs_version"
 
     // Conductor
     implementation 'com.bluelinelabs:conductor:2.1.5'
-    implementation ("com.bluelinelabs:conductor-support:2.1.5") {
+    implementation("com.bluelinelabs:conductor-support:2.1.5") {
         exclude group: "com.android.support"
     }
-    implementation 'com.github.inorichi:conductor-support-preference:27.0.2'
+    implementation 'com.github.tachiyomiorg:conductor-support-preference:1.1.1'
 
-    // RxBindings
-    final rxbindings_version = '1.0.1'
-    implementation "com.jakewharton.rxbinding:rxbinding-kotlin:$rxbindings_version"
-    implementation "com.jakewharton.rxbinding:rxbinding-appcompat-v7-kotlin:$rxbindings_version"
-    implementation "com.jakewharton.rxbinding:rxbinding-support-v4-kotlin:$rxbindings_version"
-    implementation "com.jakewharton.rxbinding:rxbinding-recyclerview-v7-kotlin:$rxbindings_version"
+    // FlowBinding
+    final flowbinding_version = '0.12.0'
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-android:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-appcompat:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-recyclerview:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-swiperefreshlayout:$flowbinding_version"
+    implementation "io.github.reactivecircus.flowbinding:flowbinding-viewpager:$flowbinding_version"
+
+    // Licenses
+    final aboutlibraries_version = '8.3.0'
+    implementation "com.mikepenz:aboutlibraries-core:$aboutlibraries_version"
+    implementation "com.mikepenz:aboutlibraries:$aboutlibraries_version"
 
     // Tests
-    testImplementation 'junit:junit:4.12'
-    testImplementation 'org.assertj:assertj-core:1.7.1'
+    testImplementation 'junit:junit:4.13'
+    testImplementation 'org.assertj:assertj-core:3.12.2'
     testImplementation 'org.mockito:mockito-core:1.10.19'
 
     final robolectric_version = '3.1.4'
@@ -231,15 +274,22 @@ dependencies {
     testImplementation "org.robolectric:shadows-multidex:$robolectric_version"
     testImplementation "org.robolectric:shadows-play-services:$robolectric_version"
 
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 
-    final coroutines_version = '0.22.2'
+    final coroutines_version = '1.3.8'
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+
+    // For detecting memory leaks; see https://square.github.io/leakcanary/
+//    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.4'
+
+    // Debug tool; see https://fbflipper.com/
+//    debugImplementation 'com.facebook.flipper:flipper:0.50.0'
+//    debugImplementation 'com.facebook.soloader:soloader:0.9.0'
 }
 
 buildscript {
-    ext.kotlin_version = '1.2.71'
+    ext.kotlin_version = '1.3.72'
     repositories {
         mavenCentral()
     }
@@ -252,16 +302,20 @@ repositories {
     mavenCentral()
 }
 
-kotlin {
-    experimental {
-        coroutines 'enable'
-    }
+// See https://kotlinlang.org/docs/reference/experimental.html#experimental-status-of-experimental-api-markers
+tasks.withType(AbstractKotlinCompile).all {
+    kotlinOptions.freeCompilerArgs += ["-Xopt-in=kotlin.Experimental"]
 }
 
-androidExtensions {
-    experimental = true
+// Duplicating Hebrew string assets due to some locale code issues on different devices
+task copyResources(type: Copy) {
+    from './src/main/res/values-he'
+    into './src/main/res/values-iw'
+    include '**/*'
 }
 
+preBuild.dependsOn(ktlintFormat, copyResources)
+
 if (getGradle().getStartParameter().getTaskRequests().toString().contains("Standard")) {
     apply plugin: 'com.google.gms.google-services'
 }

app/proguard-rules.pro

@@ -1,19 +1,27 @@
 -dontobfuscate
 
--dontwarn eu.kanade.tachiyomi.**
--keep class eu.kanade.tachiyomi.**
--keep class eu.kanade.tachiyomi.source.model.** { *; }
-
--keep class com.hippo.image.** { *; }
--keep interface com.hippo.image.** { *; }
--dontwarn nucleus.view.NucleusActionBarActivity
-
 # Extensions may require methods unused in the core app
+-dontwarn eu.kanade.tachiyomi.**
+-keep class eu.kanade.tachiyomi.** { public protected private *; }
+
 -keep class org.jsoup.** { *; }
 -keep class kotlin.** { *; }
 -keep class okhttp3.** { *; }
 -keep class com.google.gson.** { *; }
 -keep class com.github.salomonbrys.kotson.** { *; }
+-keep class com.squareup.duktape.** { *; }
+
+# Design library
+-dontwarn com.google.android.material.**
+-keep class com.google.android.material.** { *; }
+-keep interface com.google.android.material.** { *; }
+-keep public class com.google.android.material.R$* { *; }
+
+-keep class com.hippo.image.** { *; }
+-keep interface com.hippo.image.** { *; }
+-keepclassmembers class * extends nucleus.presenter.Presenter {
+    <init>();
+}
 
 # OkHttp
 -dontwarn okhttp3.**
@@ -46,26 +54,6 @@
     rx.internal.util.atomic.LinkedQueueNode consumerNode;
 }
 
-### Support v7, Design
-# http://stackoverflow.com/questions/29679177/cardview-shadow-not-appearing-in-lollipop-after-obfuscate-with-proguard/29698051
--keep class android.support.v7.widget.RoundRectDrawable { *; }
-
--keep public class android.support.v7.widget.** { *; }
--keep public class android.support.v7.internal.widget.** { *; }
--keep public class android.support.v7.internal.view.menu.** { *; }
--keep public class android.support.v7.graphics.drawable.** { *; }
-
--keep public class * extends android.support.v4.view.ActionProvider {
-    public <init>(android.content.Context);
-}
-
--dontwarn android.support.**
--dontwarn android.support.design.**
--keep class android.support.design.** { *; }
--keep interface android.support.design.** { *; }
--keep public class android.support.design.R$* { *; }
-
-
 # ReactiveNetwork
 -dontwarn com.github.pwittchen.reactivenetwork.**
 
@@ -83,10 +71,3 @@
 -keep class * implements com.google.gson.TypeAdapterFactory
 -keep class * implements com.google.gson.JsonSerializer
 -keep class * implements com.google.gson.JsonDeserializer
-
-# SnakeYaml
--keep class org.yaml.snakeyaml.** { public protected private *; }
--dontwarn org.yaml.snakeyaml.**
-
-# Duktape
--keep class com.squareup.duktape.** { *; }

app/shortcuts.xml

@@ -2,7 +2,7 @@
 
     <shortcut
         android:enabled="true"
-        android:icon="@drawable/sc_book_48dp"
+        android:icon="@drawable/sc_collections_bookmark_48dp"
         android:shortcutDisabledMessage="@string/app_not_available"
         android:shortcutId="show_library"
         android:shortcutLongLabel="@string/label_library"
@@ -13,7 +13,7 @@
     </shortcut>
     <shortcut
         android:enabled="true"
-        android:icon="@drawable/sc_update_48dp"
+        android:icon="@drawable/sc_new_releases_48dp"
         android:shortcutDisabledMessage="@string/app_not_available"
         android:shortcutId="show_recently_updated"
         android:shortcutLongLabel="@string/label_recent_updates"
@@ -24,7 +24,7 @@
     </shortcut>
     <shortcut
         android:enabled="true"
-        android:icon="@drawable/sc_glasses_48dp"
+        android:icon="@drawable/sc_history_48dp"
         android:shortcutDisabledMessage="@string/app_not_available"
         android:shortcutId="show_recently_read"
         android:shortcutLongLabel="@string/label_recent_manga"
@@ -38,8 +38,8 @@
         android:icon="@drawable/sc_explore_48dp"
         android:shortcutDisabledMessage="@string/app_not_available"
         android:shortcutId="show_catalogues"
-        android:shortcutLongLabel="@string/label_catalogues"
-        android:shortcutShortLabel="@string/label_catalogues">
+        android:shortcutLongLabel="@string/browse"
+        android:shortcutShortLabel="@string/browse">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_CATALOGUES"
             android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />

app/src/main/AndroidManifest.xml

@@ -8,47 +8,71 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
-    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
+    <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
     <application
         android:name=".App"
         android:allowBackup="true"
         android:fullBackupContent="@xml/backup_rules"
         android:hardwareAccelerated="true"
+        android:hasFragileUserData="true"
         android:icon="@mipmap/ic_launcher"
-        android:roundIcon="@mipmap/ic_launcher_round"
         android:label="@string/app_name"
         android:largeHeap="true"
-        android:theme="@style/Theme.Tachiyomi">
+        android:requestLegacyExternalStorage="true"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:theme="@style/Theme.Tachiyomi.Light"
+        android:usesCleartextTraffic="true">
         <activity
             android:name=".ui.main.MainActivity"
-            android:launchMode="singleTask">
+            android:launchMode="singleTop"
+            android:theme="@style/Theme.Splash">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <!--suppress AndroidDomInspection -->
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
+        </activity>
+        <activity
+            android:name=".ui.main.DeepLinkActivity"
+            android:launchMode="singleTask"
+            android:theme="@android:style/Theme.NoDisplay">
             <intent-filter>
                 <action android:name="android.intent.action.SEARCH" />
-                <action android:name="com.google.android.gms.actions.SEARCH_ACTION"/>
-                <category android:name="android.intent.category.DEFAULT"/>
+                <action android:name="com.google.android.gms.actions.SEARCH_ACTION" />
+
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
             <intent-filter>
                 <action android:name="eu.kanade.tachiyomi.SEARCH" />
-                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
-            <meta-data android:name="android.app.searchable" android:resource="@xml/searchable"/>
-            <!--suppress AndroidDomInspection -->
-            <meta-data android:name="android.app.shortcuts" android:resource="@xml/shortcuts"/>
+
+            <meta-data
+                android:name="android.app.searchable"
+                android:resource="@xml/searchable" />
         </activity>
         <activity
-            android:name=".ui.reader.ReaderActivity" />
+            android:name=".ui.reader.ReaderActivity"
+            android:launchMode="singleTask" />
+        <activity
+            android:name=".ui.security.BiometricUnlockActivity"
+            android:theme="@style/Theme.Splash" />
+        <activity
+            android:name=".ui.webview.WebViewActivity"
+            android:configChanges="uiMode|orientation|screenSize" />
         <activity
             android:name=".widget.CustomLayoutPickerActivity"
             android:label="@string/app_name"
             android:theme="@style/FilePickerTheme" />
         <activity
-            android:name=".ui.setting.AnilistLoginActivity"
+            android:name=".ui.setting.track.AnilistLoginActivity"
             android:label="Anilist">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
@@ -62,8 +86,8 @@
             </intent-filter>
         </activity>
         <activity
-            android:name=".ui.setting.ShikomoriLoginActivity"
-            android:label="Shikomori">
+            android:name=".ui.setting.track.ShikimoriLoginActivity"
+            android:label="Shikimori">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
 
@@ -75,13 +99,27 @@
                     android:scheme="tachiyomi" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ui.setting.track.BangumiLoginActivity"
+            android:label="Bangumi">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="bangumi-auth"
+                    android:scheme="tachiyomi" />
+            </intent-filter>
+        </activity>
 
         <activity
             android:name=".extension.util.ExtensionInstallActivity"
-            android:theme="@android:style/Theme.Translucent.NoTitleBar"/>
+            android:theme="@android:style/Theme.Translucent.NoTitleBar" />
 
         <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"
             android:exported="false"
             android:grantUriPermissions="true">
@@ -108,11 +146,11 @@
 
         <service
             android:name=".data.backup.BackupCreateService"
-            android:exported="false"/>
+            android:exported="false" />
 
         <service
             android:name=".data.backup.BackupRestoreService"
-            android:exported="false"/>
+            android:exported="false" />
 
     </application>
 

app/src/main/java/eu/kanade/tachiyomi/App.kt

@@ -3,48 +3,70 @@ package eu.kanade.tachiyomi
 import android.app.Application
 import android.content.Context
 import android.content.res.Configuration
-import android.support.multidex.MultiDex
-import com.evernote.android.job.JobManager
-import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
-import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
+import android.os.Build
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.OnLifecycleEvent
+import androidx.lifecycle.ProcessLifecycleOwner
+import androidx.multidex.MultiDex
 import eu.kanade.tachiyomi.data.notification.Notifications
-import eu.kanade.tachiyomi.data.updater.UpdaterJob
-import eu.kanade.tachiyomi.util.LocaleHelper
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.ui.security.SecureActivityDelegate
+import eu.kanade.tachiyomi.util.system.LocaleHelper
+import java.security.Security
 import org.acra.ACRA
-import org.acra.annotation.ReportsCrashes
+import org.acra.annotation.AcraCore
+import org.acra.annotation.AcraHttpSender
+import org.acra.sender.HttpSender
+import org.conscrypt.Conscrypt
 import timber.log.Timber
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.InjektScope
+import uy.kohesive.injekt.injectLazy
 import uy.kohesive.injekt.registry.default.DefaultRegistrar
 
-@ReportsCrashes(
-        formUri = "http://tachiyomi.kanade.eu/crash_report",
-        reportType = org.acra.sender.HttpSender.Type.JSON,
-        httpMethod = org.acra.sender.HttpSender.Method.PUT,
-        buildConfigClass = BuildConfig::class,
-        excludeMatchingSharedPreferencesKeys = arrayOf(".*username.*", ".*password.*", ".*token.*")
+@AcraCore(
+    buildConfigClass = BuildConfig::class,
+    excludeMatchingSharedPreferencesKeys = [".*username.*", ".*password.*", ".*token.*"]
 )
-open class App : Application() {
+@AcraHttpSender(
+    uri = "https://tachiyomi.kanade.eu/crash_report",
+    httpMethod = HttpSender.Method.PUT
+)
+open class App : Application(), LifecycleObserver {
 
     override fun onCreate() {
         super.onCreate()
         if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
 
+        // Debug tool; see https://fbflipper.com/
+        // SoLoader.init(this, false)
+        // if (BuildConfig.DEBUG && FlipperUtils.shouldEnableFlipper(this)) {
+        //     val client = AndroidFlipperClient.getInstance(this)
+        //     client.addPlugin(InspectorFlipperPlugin(this, DescriptorMapping.withDefaults()))
+        //     client.addPlugin(DatabasesFlipperPlugin(this))
+        //     client.start()
+        // }
+
+        // TLS 1.3 support for Android < 10
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            Security.insertProviderAt(Conscrypt.newProvider(), 1)
+        }
+
         Injekt = InjektScope(DefaultRegistrar())
         Injekt.importModule(AppModule(this))
 
         setupAcra()
-        setupJobManager()
         setupNotificationChannels()
 
         LocaleHelper.updateConfiguration(this, resources.configuration)
+
+        ProcessLifecycleOwner.get().lifecycle.addObserver(this)
     }
 
     override fun attachBaseContext(base: Context) {
         super.attachBaseContext(base)
-        if (BuildConfig.DEBUG) {
-            MultiDex.install(this)
-        }
+        MultiDex.install(this)
     }
 
     override fun onConfigurationChanged(newConfig: Configuration) {
@@ -52,27 +74,20 @@ open class App : Application() {
         LocaleHelper.updateConfiguration(this, newConfig, true)
     }
 
-    protected open fun setupAcra() {
-        ACRA.init(this)
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    @Suppress("unused")
+    fun onAppBackgrounded() {
+        val preferences: PreferencesHelper by injectLazy()
+        if (preferences.lockAppAfter().get() >= 0) {
+            SecureActivityDelegate.locked = true
+        }
     }
 
-    protected open fun setupJobManager() {
-        try {
-            JobManager.create(this).addJobCreator { tag ->
-                when (tag) {
-                    LibraryUpdateJob.TAG -> LibraryUpdateJob()
-                    UpdaterJob.TAG -> UpdaterJob()
-                    BackupCreatorJob.TAG -> BackupCreatorJob()
-                    else -> null
-                }
-            }
-        } catch (e: Exception) {
-            Timber.w("Can't initialize job manager")
-        }
+    protected open fun setupAcra() {
+        ACRA.init(this)
     }
 
     protected open fun setupNotificationChannels() {
         Notifications.createChannels(this)
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/AppModule.kt

@@ -11,14 +11,17 @@ import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.network.NetworkHelper
 import eu.kanade.tachiyomi.source.SourceManager
-import rx.Observable
-import rx.schedulers.Schedulers
-import uy.kohesive.injekt.api.*
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import uy.kohesive.injekt.api.InjektModule
+import uy.kohesive.injekt.api.InjektRegistrar
+import uy.kohesive.injekt.api.addSingleton
+import uy.kohesive.injekt.api.addSingletonFactory
+import uy.kohesive.injekt.api.get
 
 class AppModule(val app: Application) : InjektModule {
 
     override fun InjektRegistrar.registerInjectables() {
-
         addSingleton(app)
 
         addSingletonFactory { PreferencesHelper(app) }
@@ -43,20 +46,14 @@ class AppModule(val app: Application) : InjektModule {
 
         // Asynchronously init expensive components for a faster cold start
 
-        rxAsync { get<PreferencesHelper>() }
+        GlobalScope.launch { get<PreferencesHelper>() }
 
-        rxAsync { get<NetworkHelper>() }
+        GlobalScope.launch { get<NetworkHelper>() }
 
-        rxAsync { get<SourceManager>() }
+        GlobalScope.launch { get<SourceManager>() }
 
-        rxAsync { get<DatabaseHelper>() }
-
-        rxAsync { get<DownloadManager>() }
+        GlobalScope.launch { get<DatabaseHelper>() }
 
+        GlobalScope.launch { get<DownloadManager>() }
     }
-
-    private fun rxAsync(block: () -> Unit) {
-        Observable.fromCallable { block() }.subscribeOn(Schedulers.computation()).subscribe()
-    }
-
 }

app/src/main/java/eu/kanade/tachiyomi/Migrations.kt

@@ -1,9 +1,11 @@
 package eu.kanade.tachiyomi
 
+import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
 import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.updater.UpdaterJob
+import eu.kanade.tachiyomi.extension.ExtensionUpdateJob
+import eu.kanade.tachiyomi.ui.library.LibrarySort
 import java.io.File
 
 object Migrations {
@@ -16,18 +18,33 @@ object Migrations {
      */
     fun upgrade(preferences: PreferencesHelper): Boolean {
         val context = preferences.context
-        val oldVersion = preferences.lastVersionCode().getOrDefault()
+        val oldVersion = preferences.lastVersionCode().get()
+
+        // Cancel app updater job for debug builds that don't include it
+        if (BuildConfig.DEBUG && !BuildConfig.INCLUDE_UPDATER) {
+            UpdaterJob.cancelTask(context)
+        }
+
         if (oldVersion < BuildConfig.VERSION_CODE) {
             preferences.lastVersionCode().set(BuildConfig.VERSION_CODE)
 
-            if (oldVersion == 0) return false
+            // Fresh install
+            if (oldVersion == 0) {
+                // Set up default background tasks
+                if (BuildConfig.INCLUDE_UPDATER) {
+                    UpdaterJob.setupTask(context)
+                }
+                ExtensionUpdateJob.setupTask(context)
+                LibraryUpdateJob.setupTask(context)
+                return false
+            }
 
             if (oldVersion < 14) {
-                // Restore jobs after upgrading to evernote's job scheduler.
-                if (BuildConfig.INCLUDE_UPDATER && preferences.automaticUpdates()) {
-                    UpdaterJob.setupTask()
+                // Restore jobs after upgrading to Evernote's job scheduler.
+                if (BuildConfig.INCLUDE_UPDATER) {
+                    UpdaterJob.setupTask(context)
                 }
-                LibraryUpdateJob.setupTask()
+                LibraryUpdateJob.setupTask(context)
             }
             if (oldVersion < 15) {
                 // Delete internal chapter cache dir.
@@ -39,7 +56,7 @@ object Migrations {
                 if (oldDir.exists()) {
                     val destDir = context.getExternalFilesDir("covers")
                     if (destDir != null) {
-                        oldDir.listFiles().forEach {
+                        oldDir.listFiles()?.forEach {
                             it.renameTo(File(destDir, it.name))
                         }
                     }
@@ -55,9 +72,25 @@ object Migrations {
                     }
                 }
             }
+            if (oldVersion < 43) {
+                // Restore jobs after migrating from Evernote's job scheduler to WorkManager.
+                if (BuildConfig.INCLUDE_UPDATER) {
+                    UpdaterJob.setupTask(context)
+                }
+                LibraryUpdateJob.setupTask(context)
+                BackupCreatorJob.setupTask(context)
+
+                // New extension update check job
+                ExtensionUpdateJob.setupTask(context)
+            }
+            if (oldVersion < 44) {
+                // Reset sorting preference if using removed sort by source
+                if (preferences.librarySortingMode().get() == LibrarySort.SOURCE) {
+                    preferences.librarySortingMode().set(LibrarySort.ALPHA)
+                }
+            }
             return true
         }
         return false
     }
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/annoations/Nsfw.kt

@@ -0,0 +1,5 @@
+package eu.kanade.tachiyomi.annoations
+
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.CLASS)
+annotation class Nsfw

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupConst.kt

@@ -1,23 +1,10 @@
 package eu.kanade.tachiyomi.data.backup
-import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
+import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
 object BackupConst {
 
-    const val INTENT_FILTER = "SettingsBackupFragment"
-    const val ACTION_BACKUP_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_BACKUP_COMPLETED_DIALOG"
-    const val ACTION_SET_PROGRESS_DIALOG = "$ID.$INTENT_FILTER.ACTION_SET_PROGRESS_DIALOG"
-    const val ACTION_ERROR_BACKUP_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_BACKUP_DIALOG"
-    const val ACTION_ERROR_RESTORE_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_RESTORE_DIALOG"
-    const val ACTION_RESTORE_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_RESTORE_COMPLETED_DIALOG"
-    const val ACTION = "$ID.$INTENT_FILTER.ACTION"
-    const val EXTRA_PROGRESS = "$ID.$INTENT_FILTER.EXTRA_PROGRESS"
-    const val EXTRA_AMOUNT = "$ID.$INTENT_FILTER.EXTRA_AMOUNT"
-    const val EXTRA_ERRORS = "$ID.$INTENT_FILTER.EXTRA_ERRORS"
-    const val EXTRA_CONTENT = "$ID.$INTENT_FILTER.EXTRA_CONTENT"
-    const val EXTRA_ERROR_MESSAGE = "$ID.$INTENT_FILTER.EXTRA_ERROR_MESSAGE"
-    const val EXTRA_URI = "$ID.$INTENT_FILTER.EXTRA_URI"
-    const val EXTRA_TIME = "$ID.$INTENT_FILTER.EXTRA_TIME"
-    const val EXTRA_ERROR_FILE_PATH = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE_PATH"
-    const val EXTRA_ERROR_FILE = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE"
-}
+    private const val NAME = "BackupRestoreServices"
+    const val EXTRA_URI = "$ID.$NAME.EXTRA_URI"
+    const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt

@@ -1,25 +1,24 @@
 package eu.kanade.tachiyomi.data.backup
 
-import android.app.IntentService
+import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import com.google.gson.JsonArray
-import eu.kanade.tachiyomi.data.database.models.Manga
-import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
+import android.os.Build
+import android.os.IBinder
+import android.os.PowerManager
+import androidx.core.net.toUri
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.util.system.acquireWakeLock
+import eu.kanade.tachiyomi.util.system.isServiceRunning
 
 /**
- * [IntentService] used to backup [Manga] information to [JsonArray]
+ * Service for backing up library information to a JSON file.
  */
-class BackupCreateService : IntentService(NAME) {
+class BackupCreateService : Service() {
 
     companion object {
-        // Name of class
-        private const val NAME = "BackupCreateService"
-
-        // Options for backup
-        private const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
-
         // Filter options
         internal const val BACKUP_CATEGORY = 0x1
         internal const val BACKUP_CATEGORY_MASK = 0x1
@@ -31,6 +30,15 @@ class BackupCreateService : IntentService(NAME) {
         internal const val BACKUP_TRACK_MASK = 0x8
         internal const val BACKUP_ALL = 0xF
 
+        /**
+         * Returns the status of the service.
+         *
+         * @param context the application context.
+         * @return true if the service is running, false otherwise.
+         */
+        fun isRunning(context: Context): Boolean =
+            context.isServiceRunning(BackupCreateService::class.java)
+
         /**
          * Make a backup from library
          *
@@ -38,26 +46,75 @@ class BackupCreateService : IntentService(NAME) {
          * @param uri path of Uri
          * @param flags determines what to backup
          */
-        fun makeBackup(context: Context, uri: Uri, flags: Int) {
-            val intent = Intent(context, BackupCreateService::class.java).apply {
-                putExtra(BackupConst.EXTRA_URI, uri)
-                putExtra(EXTRA_FLAGS, flags)
+        fun start(context: Context, uri: Uri, flags: Int) {
+            if (!isRunning(context)) {
+                val intent = Intent(context, BackupCreateService::class.java).apply {
+                    putExtra(BackupConst.EXTRA_URI, uri)
+                    putExtra(BackupConst.EXTRA_FLAGS, flags)
+                }
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+                    context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
             }
-            context.startService(intent)
+        }
+    }
+
+    /**
+     * Wake lock that will be held until the service is destroyed.
+     */
+    private lateinit var wakeLock: PowerManager.WakeLock
+
+    private lateinit var backupManager: BackupManager
+    private lateinit var notifier: BackupNotifier
+
+    override fun onCreate() {
+        super.onCreate()
+
+        notifier = BackupNotifier(this)
+        wakeLock = acquireWakeLock(javaClass.name)
+
+        startForeground(Notifications.ID_BACKUP_PROGRESS, notifier.showBackupProgress().build())
+    }
+
+    override fun stopService(name: Intent?): Boolean {
+        destroyJob()
+        return super.stopService(name)
+    }
+
+    override fun onDestroy() {
+        destroyJob()
+        super.onDestroy()
+    }
+
+    private fun destroyJob() {
+        if (wakeLock.isHeld) {
+            wakeLock.release()
+        }
+    }
+
+    /**
+     * This method needs to be implemented, but it's not used/needed.
+     */
+    override fun onBind(intent: Intent): IBinder? = null
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent == null) return START_NOT_STICKY
+
+        try {
+            val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
+            val backupFlags = intent.getIntExtra(BackupConst.EXTRA_FLAGS, 0)
+            backupManager = BackupManager(this)
+
+            val backupFileUri = backupManager.createBackup(uri, backupFlags, false)?.toUri()
+            val unifile = UniFile.fromUri(this, backupFileUri)
+            notifier.showBackupComplete(unifile)
+        } catch (e: Exception) {
+            notifier.showBackupError(e.message)
         }
 
+        stopSelf(startId)
+        return START_NOT_STICKY
     }
-
-    private val backupManager by lazy { BackupManager(this) }
-
-    override fun onHandleIntent(intent: Intent?) {
-        if (intent == null) return
-
-        // Get values
-        val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
-        val flags = intent.getIntExtra(EXTRA_FLAGS, 0)
-        // Create backup
-        backupManager.createBackup(uri, flags, false)
-    }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreatorJob.kt

@@ -1,42 +1,51 @@
 package eu.kanade.tachiyomi.data.backup
 
-import android.net.Uri
-import com.evernote.android.job.Job
-import com.evernote.android.job.JobManager
-import com.evernote.android.job.JobRequest
+import android.content.Context
+import androidx.core.net.toUri
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
+import androidx.work.Worker
+import androidx.work.WorkerParameters
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
+import java.util.concurrent.TimeUnit
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
-class BackupCreatorJob : Job() {
+class BackupCreatorJob(private val context: Context, workerParams: WorkerParameters) :
+    Worker(context, workerParams) {
 
-    override fun onRunJob(params: Params): Result {
+    override fun doWork(): Result {
         val preferences = Injekt.get<PreferencesHelper>()
         val backupManager = BackupManager(context)
-        val uri = Uri.parse(preferences.backupsDirectory().getOrDefault())
+        val uri = preferences.backupsDirectory().get().toUri()
         val flags = BackupCreateService.BACKUP_ALL
-        backupManager.createBackup(uri, flags, true)
-        return Result.SUCCESS
+        return try {
+            backupManager.createBackup(uri, flags, true)
+            Result.success()
+        } catch (e: Exception) {
+            Result.failure()
+        }
     }
 
     companion object {
-        const val TAG = "BackupCreator"
+        private const val TAG = "BackupCreator"
 
-        fun setupTask(prefInterval: Int? = null) {
+        fun setupTask(context: Context, prefInterval: Int? = null) {
             val preferences = Injekt.get<PreferencesHelper>()
-            val interval = prefInterval ?: preferences.backupInterval().getOrDefault()
+            val interval = prefInterval ?: preferences.backupInterval().get()
             if (interval > 0) {
-                JobRequest.Builder(TAG)
-                        .setPeriodic(interval * 60 * 60 * 1000L, 10 * 60 * 1000)
-                        .setUpdateCurrent(true)
-                        .build()
-                        .schedule()
-            }
-        }
+                val request = PeriodicWorkRequestBuilder<BackupCreatorJob>(
+                    interval.toLong(), TimeUnit.HOURS,
+                    10, TimeUnit.MINUTES
+                )
+                    .addTag(TAG)
+                    .build()
 
-        fun cancelTask() {
-            JobManager.instance().cancelAllForTag(TAG)
+                WorkManager.getInstance(context).enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.REPLACE, request)
+            } else {
+                WorkManager.getInstance(context).cancelAllWorkByTag(TAG)
+            }
         }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt

@@ -1,10 +1,16 @@
 package eu.kanade.tachiyomi.data.backup
 
 import android.content.Context
-import android.content.Intent
 import android.net.Uri
-import com.github.salomonbrys.kotson.*
-import com.google.gson.*
+import com.github.salomonbrys.kotson.fromJson
+import com.github.salomonbrys.kotson.registerTypeAdapter
+import com.github.salomonbrys.kotson.registerTypeHierarchyAdapter
+import com.github.salomonbrys.kotson.set
+import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY_MASK
@@ -18,40 +24,43 @@ import eu.kanade.tachiyomi.data.backup.models.Backup
 import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
 import eu.kanade.tachiyomi.data.backup.models.Backup.CHAPTERS
 import eu.kanade.tachiyomi.data.backup.models.Backup.CURRENT_VERSION
+import eu.kanade.tachiyomi.data.backup.models.Backup.EXTENSIONS
 import eu.kanade.tachiyomi.data.backup.models.Backup.HISTORY
 import eu.kanade.tachiyomi.data.backup.models.Backup.MANGA
 import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
 import eu.kanade.tachiyomi.data.backup.models.DHistory
-import eu.kanade.tachiyomi.data.backup.serializer.*
+import eu.kanade.tachiyomi.data.backup.serializer.CategoryTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.ChapterTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.HistoryTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.MangaTypeAdapter
+import eu.kanade.tachiyomi.data.backup.serializer.TrackTypeAdapter
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
-import eu.kanade.tachiyomi.data.database.models.*
+import eu.kanade.tachiyomi.data.database.models.CategoryImpl
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
-import eu.kanade.tachiyomi.util.sendLocalBroadcast
-import eu.kanade.tachiyomi.util.syncChaptersWithSource
+import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
+import kotlin.math.max
 import rx.Observable
 import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
 
 class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
 
-    /**
-     * Database.
-     */
     internal val databaseHelper: DatabaseHelper by injectLazy()
-
-    /**
-     * Source manager.
-     */
     internal val sourceManager: SourceManager by injectLazy()
-
-    /**
-     * Tracking manager
-     */
     internal val trackManager: TrackManager by injectLazy()
+    private val preferences: PreferencesHelper by injectLazy()
 
     /**
      * Version of parser
@@ -64,11 +73,6 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     var parser: Gson = initParser()
 
-    /**
-     * Preferences
-     */
-    private val preferences: PreferencesHelper by injectLazy()
-
     /**
      * Set version of parser
      *
@@ -81,7 +85,8 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
 
     private fun initParser(): Gson = when (version) {
         1 -> GsonBuilder().create()
-        2 -> GsonBuilder()
+        2 ->
+            GsonBuilder()
                 .registerTypeAdapter<MangaImpl>(MangaTypeAdapter.build())
                 .registerTypeHierarchyAdapter<ChapterImpl>(ChapterTypeAdapter.build())
                 .registerTypeAdapter<CategoryImpl>(CategoryTypeAdapter.build())
@@ -97,7 +102,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      * @param uri path of Uri
      * @param isJob backup called from job
      */
-    fun createBackup(uri: Uri, flags: Int, isJob: Boolean) {
+    fun createBackup(uri: Uri, flags: Int, isJob: Boolean): String? {
         // Create root object
         val root = JsonObject()
 
@@ -107,24 +112,40 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         // Create category array
         val categoryEntries = JsonArray()
 
+        // Create extension ID/name mapping
+        val extensionEntries = JsonArray()
+
         // Add value's to root
-        root[Backup.VERSION] = Backup.CURRENT_VERSION
+        root[Backup.VERSION] = CURRENT_VERSION
         root[Backup.MANGAS] = mangaEntries
         root[CATEGORIES] = categoryEntries
+        root[EXTENSIONS] = extensionEntries
 
         databaseHelper.inTransaction {
             // Get manga from database
             val mangas = getFavoriteManga()
 
+            val extensions: MutableSet<String> = mutableSetOf()
+
             // Backup library manga and its dependencies
             mangas.forEach { manga ->
                 mangaEntries.add(backupMangaObject(manga, flags))
+
+                // Maintain set of extensions/sources used (excludes local source)
+                if (manga.source != LocalSource.ID) {
+                    sourceManager.get(manga.source)?.let {
+                        extensions.add("${manga.source}:${it.name}")
+                    }
+                }
             }
 
             // Backup categories
             if ((flags and BACKUP_CATEGORY_MASK) == BACKUP_CATEGORY) {
                 backupCategories(categoryEntries)
             }
+
+            // Backup extension ID/name mapping
+            backupExtensionInfo(extensionEntries, extensions)
         }
 
         try {
@@ -138,42 +159,38 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
                 val numberOfBackups = numberOfBackups()
                 val backupRegex = Regex("""tachiyomi_\d+-\d+-\d+_\d+-\d+.json""")
                 dir.listFiles { _, filename -> backupRegex.matches(filename) }
-                        .orEmpty()
-                        .sortedByDescending { it.name }
-                        .drop(numberOfBackups - 1)
-                        .forEach { it.delete() }
+                    .orEmpty()
+                    .sortedByDescending { it.name }
+                    .drop(numberOfBackups - 1)
+                    .forEach { it.delete() }
 
                 // Create new file to place backup
                 val newFile = dir.createFile(Backup.getDefaultFilename())
-                        ?: throw Exception("Couldn't create backup file")
+                    ?: throw Exception("Couldn't create backup file")
 
                 newFile.openOutputStream().bufferedWriter().use {
                     parser.toJson(root, it)
                 }
+
+                return newFile.uri.toString()
             } else {
                 val file = UniFile.fromUri(context, uri)
-                        ?: throw Exception("Couldn't create backup file")
+                    ?: throw Exception("Couldn't create backup file")
                 file.openOutputStream().bufferedWriter().use {
                     parser.toJson(root, it)
                 }
 
-                // Show completed dialog
-                val intent = Intent(BackupConst.INTENT_FILTER).apply {
-                    putExtra(BackupConst.ACTION, BackupConst.ACTION_BACKUP_COMPLETED_DIALOG)
-                    putExtra(BackupConst.EXTRA_URI, file.uri.toString())
-                }
-                context.sendLocalBroadcast(intent)
+                return file.uri.toString()
             }
         } catch (e: Exception) {
             Timber.e(e)
-            if (!isJob) {
-                // Show error dialog
-                val intent = Intent(BackupConst.INTENT_FILTER).apply {
-                    putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_BACKUP_DIALOG)
-                    putExtra(BackupConst.EXTRA_ERROR_MESSAGE, e.message)
-                }
-                context.sendLocalBroadcast(intent)
-            }
+            throw e
+        }
+    }
+
+    private fun backupExtensionInfo(root: JsonArray, extensions: Set<String>) {
+        extensions.sorted().forEach {
+            root.add(it)
         }
     }
 
@@ -204,7 +221,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         if (options and BACKUP_CHAPTER_MASK == BACKUP_CHAPTER) {
             // Backup all the chapters
             val chapters = databaseHelper.getChapters(manga).executeAsBlocking()
-            if (!chapters.isEmpty()) {
+            if (chapters.isNotEmpty()) {
                 val chaptersJson = parser.toJsonTree(chapters)
                 if (chaptersJson.asJsonArray.size() > 0) {
                     entry[CHAPTERS] = chaptersJson
@@ -216,7 +233,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         if (options and BACKUP_CATEGORY_MASK == BACKUP_CATEGORY) {
             // Backup categories for this manga
             val categoriesForManga = databaseHelper.getCategoriesForManga(manga).executeAsBlocking()
-            if (!categoriesForManga.isEmpty()) {
+            if (categoriesForManga.isNotEmpty()) {
                 val categoriesNames = categoriesForManga.map { it.name }
                 entry[CATEGORIES] = parser.toJsonTree(categoriesNames)
             }
@@ -225,7 +242,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         // Check if user wants track information in backup
         if (options and BACKUP_TRACK_MASK == BACKUP_TRACK) {
             val tracks = databaseHelper.getTracks(manga).executeAsBlocking()
-            if (!tracks.isEmpty()) {
+            if (tracks.isNotEmpty()) {
                 entry[TRACK] = parser.toJsonTree(tracks)
             }
         }
@@ -233,7 +250,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         // Check if user wants history information in backup
         if (options and BACKUP_HISTORY_MASK == BACKUP_HISTORY) {
             val historyForManga = databaseHelper.getHistoryByMangaId(manga.id!!).executeAsBlocking()
-            if (!historyForManga.isEmpty()) {
+            if (historyForManga.isNotEmpty()) {
                 val historyData = historyForManga.mapNotNull { history ->
                     val url = databaseHelper.getChapter(history.chapter_id).executeAsBlocking()?.url
                     url?.let { DHistory(url, history.last_read) }
@@ -264,13 +281,13 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     fun restoreMangaFetchObservable(source: Source, manga: Manga): Observable<Manga> {
         return source.fetchMangaDetails(manga)
-                .map { networkManga ->
-                    manga.copyFrom(networkManga)
-                    manga.favorite = true
-                    manga.initialized = true
-                    manga.id = insertManga(manga)
-                    manga
-                }
+            .map { networkManga ->
+                manga.copyFrom(networkManga)
+                manga.favorite = true
+                manga.initialized = true
+                manga.id = insertManga(manga)
+                manga
+            }
     }
 
     /**
@@ -282,13 +299,13 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     fun restoreChapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>): Observable<Pair<List<Chapter>, List<Chapter>>> {
         return source.fetchChapterList(manga)
-                .map { syncChaptersWithSource(databaseHelper, it, manga, source) }
-                .doOnNext {
-                    if (it.first.isNotEmpty()) {
-                        chapters.forEach { it.manga_id = manga.id }
-                        insertChapters(chapters)
-                    }
+            .map { syncChaptersWithSource(databaseHelper, it, manga, source) }
+            .doOnNext { pair ->
+                if (pair.first.isNotEmpty()) {
+                    chapters.forEach { it.manga_id = manga.id }
+                    insertChapters(chapters)
                 }
+            }
     }
 
     /**
@@ -308,7 +325,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
             for (dbCategory in dbCategories) {
                 // If the category is already in the db, assign the id to the file's category
                 // and do nothing
-                if (category.nameLower == dbCategory.nameLower) {
+                if (category.name == dbCategory.name) {
                     category.id = dbCategory.id
                     found = true
                     break
@@ -333,10 +350,10 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     internal fun restoreCategoriesForManga(manga: Manga, categories: List<String>) {
         val dbCategories = databaseHelper.getCategories().executeAsBlocking()
-        val mangaCategoriesToUpdate = ArrayList<MangaCategory>()
+        val mangaCategoriesToUpdate = mutableListOf<MangaCategory>()
         for (backupCategoryStr in categories) {
             for (dbCategory in dbCategories) {
-                if (backupCategoryStr.toLowerCase() == dbCategory.nameLower) {
+                if (backupCategoryStr == dbCategory.name) {
                     mangaCategoriesToUpdate.add(MangaCategory.create(manga, dbCategory))
                     break
                 }
@@ -344,10 +361,8 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         }
 
         // Update database
-        if (!mangaCategoriesToUpdate.isEmpty()) {
-            val mangaAsList = ArrayList<Manga>()
-            mangaAsList.add(manga)
-            databaseHelper.deleteOldMangasCategories(mangaAsList).executeAsBlocking()
+        if (mangaCategoriesToUpdate.isNotEmpty()) {
+            databaseHelper.deleteOldMangasCategories(listOf(manga)).executeAsBlocking()
             databaseHelper.insertMangasCategories(mangaCategoriesToUpdate).executeAsBlocking()
         }
     }
@@ -359,13 +374,13 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     internal fun restoreHistoryForManga(history: List<DHistory>) {
         // List containing history to be updated
-        val historyToBeUpdated = ArrayList<History>()
+        val historyToBeUpdated = mutableListOf<History>()
         for ((url, lastRead) in history) {
             val dbHistory = databaseHelper.getHistoryByChapterUrl(url).executeAsBlocking()
             // Check if history already in database and update
             if (dbHistory != null) {
                 dbHistory.apply {
-                    last_read = Math.max(lastRead, dbHistory.last_read)
+                    last_read = max(lastRead, dbHistory.last_read)
                 }
                 historyToBeUpdated.add(dbHistory)
             } else {
@@ -393,9 +408,9 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
 
         // Get tracks from database
         val dbTracks = databaseHelper.getTracks(manga).executeAsBlocking()
-        val trackToUpdate = ArrayList<Track>()
+        val trackToUpdate = mutableListOf<Track>()
 
-        for (track in tracks) {
+        tracks.forEach { track ->
             val service = trackManager.getService(track.sync_id)
             if (service != null && service.isLogged) {
                 var isInDatabase = false
@@ -408,7 +423,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
                         if (track.library_id != dbTrack.library_id) {
                             dbTrack.library_id = track.library_id
                         }
-                        dbTrack.last_chapter_read = Math.max(dbTrack.last_chapter_read, track.last_chapter_read)
+                        dbTrack.last_chapter_read = max(dbTrack.last_chapter_read, track.last_chapter_read)
                         isInDatabase = true
                         trackToUpdate.add(dbTrack)
                         break
@@ -422,7 +437,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
             }
         }
         // Update database
-        if (!trackToUpdate.isEmpty()) {
+        if (trackToUpdate.isNotEmpty()) {
             databaseHelper.insertTracks(trackToUpdate).executeAsBlocking()
         }
     }
@@ -438,8 +453,9 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         val dbChapters = databaseHelper.getChapters(manga).executeAsBlocking()
 
         // Return if fetch is needed
-        if (dbChapters.isEmpty() || dbChapters.size < chapters.size)
+        if (dbChapters.isEmpty() || dbChapters.size < chapters.size) {
             return false
+        }
 
         for (chapter in chapters) {
             val pos = dbChapters.indexOf(chapter)
@@ -464,7 +480,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      * @return [Manga], null if not found
      */
     internal fun getMangaFromDatabase(manga: Manga): Manga? =
-            databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
+        databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
 
     /**
      * Returns list containing manga from library
@@ -472,7 +488,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      * @return [Manga] from library
      */
     internal fun getFavoriteManga(): List<Manga> =
-            databaseHelper.getFavoriteMangas().executeAsBlocking()
+        databaseHelper.getFavoriteMangas().executeAsBlocking()
 
     /**
      * Inserts manga and returns id
@@ -480,7 +496,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      * @return id of [Manga], null if not found
      */
     internal fun insertManga(manga: Manga): Long? =
-            databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
+        databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
 
     /**
      * Inserts list of chapters
@@ -494,5 +510,5 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      *
      * @return number of backups selected by user
      */
-    fun numberOfBackups(): Int = preferences.numberOfBackups().getOrDefault()
+    fun numberOfBackups(): Int = preferences.numberOfBackups().get()
 }

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupNotifier.kt

@@ -0,0 +1,161 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.graphics.BitmapFactory
+import androidx.core.app.NotificationCompat
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.notification.NotificationReceiver
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.util.storage.getUriCompat
+import eu.kanade.tachiyomi.util.system.notificationBuilder
+import eu.kanade.tachiyomi.util.system.notificationManager
+import java.io.File
+import java.util.concurrent.TimeUnit
+import uy.kohesive.injekt.injectLazy
+
+internal class BackupNotifier(private val context: Context) {
+
+    private val preferences: PreferencesHelper by injectLazy()
+
+    private val progressNotificationBuilder = context.notificationBuilder(Notifications.CHANNEL_BACKUP_RESTORE_PROGRESS) {
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        setSmallIcon(R.drawable.ic_tachi)
+        setAutoCancel(false)
+        setOngoing(true)
+    }
+
+    private val completeNotificationBuilder = context.notificationBuilder(Notifications.CHANNEL_BACKUP_RESTORE_COMPLETE) {
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        setSmallIcon(R.drawable.ic_tachi)
+        setAutoCancel(false)
+    }
+
+    private fun NotificationCompat.Builder.show(id: Int) {
+        context.notificationManager.notify(id, build())
+    }
+
+    fun showBackupProgress(): NotificationCompat.Builder {
+        val builder = with(progressNotificationBuilder) {
+            setContentTitle(context.getString(R.string.creating_backup))
+
+            setProgress(0, 0, true)
+            setOnlyAlertOnce(true)
+        }
+
+        builder.show(Notifications.ID_BACKUP_PROGRESS)
+
+        return builder
+    }
+
+    fun showBackupError(error: String?) {
+        context.notificationManager.cancel(Notifications.ID_BACKUP_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.creating_backup_error))
+            setContentText(error)
+
+            show(Notifications.ID_BACKUP_COMPLETE)
+        }
+    }
+
+    fun showBackupComplete(unifile: UniFile) {
+        context.notificationManager.cancel(Notifications.ID_BACKUP_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.backup_created))
+
+            if (unifile.filePath != null) {
+                setContentText(unifile.filePath)
+            }
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            addAction(
+                R.drawable.ic_share_24dp,
+                context.getString(R.string.action_share),
+                NotificationReceiver.shareBackupPendingBroadcast(context, unifile.uri, Notifications.ID_BACKUP_COMPLETE)
+            )
+
+            show(Notifications.ID_BACKUP_COMPLETE)
+        }
+    }
+
+    fun showRestoreProgress(content: String = "", progress: Int = 0, maxAmount: Int = 100): NotificationCompat.Builder {
+        val builder = with(progressNotificationBuilder) {
+            setContentTitle(context.getString(R.string.restoring_backup))
+
+            if (!preferences.hideNotificationContent()) {
+                setContentText(content)
+            }
+
+            setProgress(maxAmount, progress, false)
+            setOnlyAlertOnce(true)
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            addAction(
+                R.drawable.ic_close_24dp,
+                context.getString(R.string.action_stop),
+                NotificationReceiver.cancelRestorePendingBroadcast(context, Notifications.ID_RESTORE_PROGRESS)
+            )
+        }
+
+        builder.show(Notifications.ID_RESTORE_PROGRESS)
+
+        return builder
+    }
+
+    fun showRestoreError(error: String?) {
+        context.notificationManager.cancel(Notifications.ID_RESTORE_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.restoring_backup_error))
+            setContentText(error)
+
+            show(Notifications.ID_RESTORE_COMPLETE)
+        }
+    }
+
+    fun showRestoreComplete(time: Long, errorCount: Int, path: String?, file: String?) {
+        context.notificationManager.cancel(Notifications.ID_RESTORE_PROGRESS)
+
+        val timeString = context.getString(
+            R.string.restore_duration,
+            TimeUnit.MILLISECONDS.toMinutes(time),
+            TimeUnit.MILLISECONDS.toSeconds(time) - TimeUnit.MINUTES.toSeconds(
+                TimeUnit.MILLISECONDS.toMinutes(time)
+            )
+        )
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.restore_completed))
+            setContentText(context.resources.getQuantityString(R.plurals.restore_completed_message, errorCount, timeString, errorCount))
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            if (errorCount > 0 && !path.isNullOrEmpty() && !file.isNullOrEmpty()) {
+                val destFile = File(path, file)
+                val uri = destFile.getUriCompat(context)
+
+                addAction(
+                    R.drawable.nnf_ic_file_folder,
+                    context.getString(R.string.action_open_log),
+                    NotificationReceiver.openErrorLogPendingActivity(context, uri)
+                )
+            }
+
+            show(Notifications.ID_RESTORE_COMPLETE)
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreService.kt

@@ -4,10 +4,13 @@ import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.os.Build
 import android.os.IBinder
 import android.os.PowerManager
 import com.github.salomonbrys.kotson.fromJson
 import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
 import com.google.gson.JsonParser
 import com.google.gson.stream.JsonReader
 import eu.kanade.tachiyomi.R
@@ -20,26 +23,31 @@ import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
 import eu.kanade.tachiyomi.data.backup.models.Backup.VERSION
 import eu.kanade.tachiyomi.data.backup.models.DHistory
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
-import eu.kanade.tachiyomi.data.database.models.*
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+import eu.kanade.tachiyomi.data.notification.Notifications
 import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.source.Source
-import eu.kanade.tachiyomi.util.chop
-import eu.kanade.tachiyomi.util.isServiceRunning
-import eu.kanade.tachiyomi.util.sendLocalBroadcast
-import rx.Observable
-import rx.Subscription
-import rx.schedulers.Schedulers
-import timber.log.Timber
-import uy.kohesive.injekt.injectLazy
+import eu.kanade.tachiyomi.util.system.acquireWakeLock
+import eu.kanade.tachiyomi.util.system.isServiceRunning
 import java.io.File
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
-import java.util.concurrent.ExecutorService
-import java.util.concurrent.Executors
+import kotlinx.coroutines.CoroutineExceptionHandler
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import rx.Observable
+import timber.log.Timber
+import uy.kohesive.injekt.injectLazy
 
 /**
- * Restores backup from json file
+ * Restores backup from a JSON file.
  */
 class BackupRestoreService : Service() {
 
@@ -51,8 +59,8 @@ class BackupRestoreService : Service() {
          * @param context the application context.
          * @return true if the service is running, false otherwise.
          */
-        private fun isRunning(context: Context): Boolean =
-                context.isServiceRunning(BackupRestoreService::class.java)
+        fun isRunning(context: Context): Boolean =
+            context.isServiceRunning(BackupRestoreService::class.java)
 
         /**
          * Starts a service to restore a backup from Json
@@ -65,7 +73,11 @@ class BackupRestoreService : Service() {
                 val intent = Intent(context, BackupRestoreService::class.java).apply {
                     putExtra(BackupConst.EXTRA_URI, uri)
                 }
-                context.startService(intent)
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+                    context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
             }
         }
 
@@ -76,6 +88,8 @@ class BackupRestoreService : Service() {
          */
         fun stop(context: Context) {
             context.stopService(Intent(context, BackupRestoreService::class.java))
+
+            BackupNotifier(context).showRestoreError(context.getString(R.string.restoring_backup_canceled))
         }
     }
 
@@ -84,10 +98,7 @@ class BackupRestoreService : Service() {
      */
     private lateinit var wakeLock: PowerManager.WakeLock
 
-    /**
-     * Subscription where the update is done.
-     */
-    private var subscription: Subscription? = null
+    private var job: Job? = null
 
     /**
      * The progress of a backup restore
@@ -99,51 +110,47 @@ class BackupRestoreService : Service() {
      */
     private var restoreAmount = 0
 
+    /**
+     * Mapping of source ID to source name from backup data
+     */
+    private var sourceMapping: Map<Long, String> = emptyMap()
+
     /**
      * List containing errors
      */
     private val errors = mutableListOf<Pair<Date, String>>()
 
-    /**
-     * Backup manager
-     */
     private lateinit var backupManager: BackupManager
+    private lateinit var notifier: BackupNotifier
 
-    /**
-     * Database
-     */
     private val db: DatabaseHelper by injectLazy()
 
-    /**
-     * Tracking manager
-     */
-    internal val trackManager: TrackManager by injectLazy()
+    private val trackManager: TrackManager by injectLazy()
 
-
-    private lateinit var executor: ExecutorService
-
-    /**
-     * Method called when the service is created. It injects dependencies and acquire the wake lock.
-     */
     override fun onCreate() {
         super.onCreate()
-        wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager).newWakeLock(
-                PowerManager.PARTIAL_WAKE_LOCK, "BackupRestoreService:WakeLock")
-        wakeLock.acquire()
-        executor = Executors.newSingleThreadExecutor()
+
+        notifier = BackupNotifier(this)
+        wakeLock = acquireWakeLock(javaClass.name)
+
+        startForeground(Notifications.ID_RESTORE_PROGRESS, notifier.showRestoreProgress().build())
+    }
+
+    override fun stopService(name: Intent?): Boolean {
+        destroyJob()
+        return super.stopService(name)
     }
 
-    /**
-     * Method called when the service is destroyed. It destroys the running subscription and
-     * releases the wake lock.
-     */
     override fun onDestroy() {
-        subscription?.unsubscribe()
-        executor.shutdown() // must be called after unsubscribe
+        destroyJob()
+        super.onDestroy()
+    }
+
+    private fun destroyJob() {
+        job?.cancel()
         if (wakeLock.isHeld) {
             wakeLock.release()
         }
-        super.onDestroy()
     }
 
     /**
@@ -160,153 +167,151 @@ class BackupRestoreService : Service() {
      * @return the start value of the command.
      */
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        if (intent == null) return Service.START_NOT_STICKY
+        val uri = intent?.getParcelableExtra<Uri>(BackupConst.EXTRA_URI) ?: return START_NOT_STICKY
 
-        val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
+        // Cancel any previous job if needed.
+        job?.cancel()
+        val handler = CoroutineExceptionHandler { _, exception ->
+            Timber.e(exception)
+            writeErrorLog()
 
-        // Unsubscribe from any previous subscription if needed.
-        subscription?.unsubscribe()
+            notifier.showRestoreError(exception.message)
 
-        subscription = Observable.using(
-                { db.lowLevel().beginTransaction() },
-                { getRestoreObservable(uri).doOnNext { db.lowLevel().setTransactionSuccessful() } },
-                { executor.execute { db.lowLevel().endTransaction() } })
-                .doAfterTerminate { stopSelf(startId) }
-                .subscribeOn(Schedulers.from(executor))
-                .subscribe()
+            stopSelf(startId)
+        }
+        job = GlobalScope.launch(handler) {
+            if (!restoreBackup(uri)) {
+                notifier.showRestoreError(getString(R.string.restoring_backup_canceled))
+            }
+        }
+        job?.invokeOnCompletion {
+            stopSelf(startId)
+        }
 
-        return Service.START_NOT_STICKY
+        return START_NOT_STICKY
     }
 
     /**
-     * Returns an [Observable] containing restore process.
+     * Restores data from backup file.
      *
-     * @param uri restore file
-     * @return [Observable<Manga>]
+     * @param uri backup file to restore
      */
-    private fun getRestoreObservable(uri: Uri): Observable<List<Manga>> {
+    private fun restoreBackup(uri: Uri): Boolean {
         val startTime = System.currentTimeMillis()
 
-        return Observable.just(Unit)
-                .map {
-                    val reader = JsonReader(contentResolver.openInputStream(uri).bufferedReader())
-                    val json = JsonParser().parse(reader).asJsonObject
+        val reader = JsonReader(contentResolver.openInputStream(uri)!!.bufferedReader())
+        val json = JsonParser.parseReader(reader).asJsonObject
 
-                    // Get parser version
-                    val version = json.get(VERSION)?.asInt ?: 1
+        // Get parser version
+        val version = json.get(VERSION)?.asInt ?: 1
 
-                    // Initialize manager
-                    backupManager = BackupManager(this, version)
+        // Initialize manager
+        backupManager = BackupManager(this, version)
 
-                    val mangasJson = json.get(MANGAS).asJsonArray
+        val mangasJson = json.get(MANGAS).asJsonArray
 
-                    restoreAmount = mangasJson.size() + 1 // +1 for categories
-                    restoreProgress = 0
-                    errors.clear()
+        restoreAmount = mangasJson.size() + 1 // +1 for categories
+        restoreProgress = 0
+        errors.clear()
 
-                    // Restore categories
-                    json.get(CATEGORIES)?.let {
-                        backupManager.restoreCategories(it.asJsonArray)
-                        restoreProgress += 1
-                        showRestoreProgress(restoreProgress, restoreAmount, "Categories added", errors.size)
-                    }
+        // Restore categories
+        json.get(CATEGORIES)?.let { restoreCategories(it) }
 
-                    mangasJson
-                }
-                .flatMap { Observable.from(it) }
-                .concatMap {
-                    val obj = it.asJsonObject
-                    val manga = backupManager.parser.fromJson<MangaImpl>(obj.get(MANGA))
-                    val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(obj.get(CHAPTERS) ?: JsonArray())
-                    val categories = backupManager.parser.fromJson<List<String>>(obj.get(CATEGORIES) ?: JsonArray())
-                    val history = backupManager.parser.fromJson<List<DHistory>>(obj.get(HISTORY) ?: JsonArray())
-                    val tracks = backupManager.parser.fromJson<List<TrackImpl>>(obj.get(TRACK) ?: JsonArray())
+        // Store source mapping for error messages
+        sourceMapping = BackupRestoreValidator.getSourceMapping(json)
 
-                    val observable = getMangaRestoreObservable(manga, chapters, categories, history, tracks)
-                    if (observable != null) {
-                        observable
-                    } else {
-                        errors.add(Date() to "${manga.title} - ${getString(R.string.source_not_found)}")
-                        restoreProgress += 1
-                        val content = getString(R.string.dialog_restoring_source_not_found, manga.title.chop(15))
-                        showRestoreProgress(restoreProgress, restoreAmount, manga.title, errors.size, content)
-                        Observable.just(manga)
-                    }
-                }
-                .toList()
-                .doOnNext {
-                    val endTime = System.currentTimeMillis()
-                    val time = endTime - startTime
-                    val logFile = writeErrorLog()
-                    val completeIntent = Intent(BackupConst.INTENT_FILTER).apply {
-                        putExtra(BackupConst.EXTRA_TIME, time)
-                        putExtra(BackupConst.EXTRA_ERRORS, errors.size)
-                        putExtra(BackupConst.EXTRA_ERROR_FILE_PATH, logFile.parent)
-                        putExtra(BackupConst.EXTRA_ERROR_FILE, logFile.name)
-                        putExtra(BackupConst.ACTION, BackupConst.ACTION_RESTORE_COMPLETED_DIALOG)
-                    }
-                    sendLocalBroadcast(completeIntent)
+        // Restore individual manga
+        mangasJson.forEach {
+            if (job?.isActive != true) {
+                return false
+            }
 
-                }
-                .doOnError { error ->
-                    Timber.e(error)
-                    writeErrorLog()
-                    val errorIntent = Intent(BackupConst.INTENT_FILTER).apply {
-                        putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_RESTORE_DIALOG)
-                        putExtra(BackupConst.EXTRA_ERROR_MESSAGE, error.message)
-                    }
-                    sendLocalBroadcast(errorIntent)
-                }
-                .onErrorReturn { emptyList() }
+            restoreManga(it.asJsonObject)
+        }
+
+        val endTime = System.currentTimeMillis()
+        val time = endTime - startTime
+
+        val logFile = writeErrorLog()
+
+        notifier.showRestoreComplete(time, errors.size, logFile.parent, logFile.name)
+        return true
     }
 
-    /**
-     * Write errors to error log
-     */
-    private fun writeErrorLog(): File {
-        try {
-            if (errors.isNotEmpty()) {
-                val destFile = File(externalCacheDir, "tachiyomi_restore.log")
-                val sdf = SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS", Locale.getDefault())
+    private fun restoreCategories(categoriesJson: JsonElement) {
+        db.inTransaction {
+            backupManager.restoreCategories(categoriesJson.asJsonArray)
+        }
 
-                destFile.bufferedWriter().use { out ->
-                    errors.forEach { (date, message) ->
-                        out.write("[${sdf.format(date)}] $message\n")
-                    }
-                }
-                return destFile
+        restoreProgress += 1
+        showRestoreProgress(restoreProgress, restoreAmount, getString(R.string.categories))
+    }
+
+    private fun restoreManga(mangaJson: JsonObject) {
+        val manga = backupManager.parser.fromJson<MangaImpl>(mangaJson.get(MANGA))
+        val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(
+            mangaJson.get(CHAPTERS)
+                ?: JsonArray()
+        )
+        val categories = backupManager.parser.fromJson<List<String>>(
+            mangaJson.get(CATEGORIES)
+                ?: JsonArray()
+        )
+        val history = backupManager.parser.fromJson<List<DHistory>>(
+            mangaJson.get(HISTORY)
+                ?: JsonArray()
+        )
+        val tracks = backupManager.parser.fromJson<List<TrackImpl>>(
+            mangaJson.get(TRACK)
+                ?: JsonArray()
+        )
+
+        try {
+            val source = backupManager.sourceManager.get(manga.source)
+            if (source != null) {
+                restoreMangaData(manga, source, chapters, categories, history, tracks)
+            } else {
+                val sourceName = sourceMapping[manga.source] ?: manga.source.toString()
+                errors.add(Date() to "${manga.title} - ${getString(R.string.source_not_found_name, sourceName)}")
             }
         } catch (e: Exception) {
-            // Empty
+            errors.add(Date() to "${manga.title} - ${e.message}")
         }
-        return File("")
+
+        restoreProgress += 1
+        showRestoreProgress(restoreProgress, restoreAmount, manga.title)
     }
 
     /**
      * Returns a manga restore observable
      *
      * @param manga manga data from json
+     * @param source source to get manga data from
      * @param chapters chapters data from json
      * @param categories categories data from json
      * @param history history data from json
      * @param tracks tracking data from json
-     * @return [Observable] containing manga restore information
      */
-    private fun getMangaRestoreObservable(manga: Manga, chapters: List<Chapter>,
-                                          categories: List<String>, history: List<DHistory>,
-                                          tracks: List<Track>): Observable<Manga>? {
-        // Get source
-        val source = backupManager.sourceManager.getOrStub(manga.source)
+    private fun restoreMangaData(
+        manga: Manga,
+        source: Source,
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
         val dbManga = backupManager.getMangaFromDatabase(manga)
 
-        return if (dbManga == null) {
-            // Manga not in database
-            mangaFetchObservable(source, manga, chapters, categories, history, tracks)
-        } else { // Manga in database
-            // Copy information from manga already in database
-            backupManager.restoreMangaNoFetch(manga, dbManga)
-            // Fetch rest of manga information
-            mangaNoFetchObservable(source, manga, chapters, categories, history, tracks)
+        db.inTransaction {
+            if (dbManga == null) {
+                // Manga not in database
+                restoreMangaFetch(source, manga, chapters, categories, history, tracks)
+            } else { // Manga in database
+                // Copy information from manga already in database
+                backupManager.restoreMangaNoFetch(manga, dbManga)
+                // Fetch rest of manga information
+                restoreMangaNoFetch(source, manga, chapters, categories, history, tracks)
+            }
         }
     }
 
@@ -317,59 +322,58 @@ class BackupRestoreService : Service() {
      * @param chapters chapters of manga that needs updating
      * @param categories categories that need updating
      */
-    private fun mangaFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>,
-                                     categories: List<String>, history: List<DHistory>,
-                                     tracks: List<Track>): Observable<Manga> {
-        return backupManager.restoreMangaFetchObservable(source, manga)
-                .onErrorReturn {
-                    errors.add(Date() to "${manga.title} - ${it.message}")
-                    manga
-                }
-                .filter { it.id != null }
-                .flatMap {
-                    chapterFetchObservable(source, it, chapters)
-                            // Convert to the manga that contains new chapters.
-                            .map { manga }
-                }
-                .doOnNext {
-                    restoreExtraForManga(it, categories, history, tracks)
-                }
-                .flatMap {
-                    trackingFetchObservable(it, tracks)
-                            // Convert to the manga that contains new chapters.
-                            .map { manga }
-                }
-                .doOnCompleted {
-                    restoreProgress += 1
-                    showRestoreProgress(restoreProgress, restoreAmount, manga.title, errors.size)
-                }
+    private fun restoreMangaFetch(
+        source: Source,
+        manga: Manga,
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
+        backupManager.restoreMangaFetchObservable(source, manga)
+            .onErrorReturn {
+                errors.add(Date() to "${manga.title} - ${it.message}")
+                manga
+            }
+            .filter { it.id != null }
+            .flatMap {
+                chapterFetchObservable(source, it, chapters)
+                    // Convert to the manga that contains new chapters.
+                    .map { manga }
+            }
+            .doOnNext {
+                restoreExtraForManga(it, categories, history, tracks)
+            }
+            .flatMap {
+                trackingFetchObservable(it, tracks)
+            }
+            .subscribe()
     }
 
-    private fun mangaNoFetchObservable(source: Source, backupManga: Manga, chapters: List<Chapter>,
-                                       categories: List<String>, history: List<DHistory>,
-                                       tracks: List<Track>): Observable<Manga> {
-
-        return Observable.just(backupManga)
-                .flatMap { manga ->
-                    if (!backupManager.restoreChaptersForManga(manga, chapters)) {
-                        chapterFetchObservable(source, manga, chapters)
-                                .map { manga }
-                    } else {
-                        Observable.just(manga)
-                    }
-                }
-                .doOnNext {
-                    restoreExtraForManga(it, categories, history, tracks)
-                }
-                .flatMap { manga ->
-                    trackingFetchObservable(manga, tracks)
-                            // Convert to the manga that contains new chapters.
-                            .map { manga }
-                }
-                .doOnCompleted {
-                    restoreProgress += 1
-                    showRestoreProgress(restoreProgress, restoreAmount, backupManga.title, errors.size)
+    private fun restoreMangaNoFetch(
+        source: Source,
+        backupManga: Manga,
+        chapters: List<Chapter>,
+        categories: List<String>,
+        history: List<DHistory>,
+        tracks: List<Track>
+    ) {
+        Observable.just(backupManga)
+            .flatMap { manga ->
+                if (!backupManager.restoreChaptersForManga(manga, chapters)) {
+                    chapterFetchObservable(source, manga, chapters)
+                        .map { manga }
+                } else {
+                    Observable.just(manga)
                 }
+            }
+            .doOnNext {
+                restoreExtraForManga(it, categories, history, tracks)
+            }
+            .flatMap { manga ->
+                trackingFetchObservable(manga, tracks)
+            }
+            .subscribe()
     }
 
     private fun restoreExtraForManga(manga: Manga, categories: List<String>, history: List<DHistory>, tracks: List<Track>) {
@@ -392,11 +396,11 @@ class BackupRestoreService : Service() {
      */
     private fun chapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>): Observable<Pair<List<Chapter>, List<Chapter>>> {
         return backupManager.restoreChapterFetchObservable(source, manga, chapters)
-                // If there's any error, return empty update and continue.
-                .onErrorReturn {
-                    errors.add(Date() to "${manga.title} - ${it.message}")
-                    Pair(emptyList(), emptyList())
-                }
+            // If there's any error, return empty update and continue.
+            .onErrorReturn {
+                errors.add(Date() to "${manga.title} - ${it.message}")
+                Pair(emptyList(), emptyList())
+            }
     }
 
     /**
@@ -407,20 +411,20 @@ class BackupRestoreService : Service() {
      */
     private fun trackingFetchObservable(manga: Manga, tracks: List<Track>): Observable<Track> {
         return Observable.from(tracks)
-                .concatMap { track ->
-                    val service = trackManager.getService(track.sync_id)
-                    if (service != null && service.isLogged) {
-                        service.refresh(track)
-                                .doOnNext { db.insertTrack(it).executeAsBlocking() }
-                                .onErrorReturn {
-                                    errors.add(Date() to "${manga.title} - ${it.message}")
-                                    track
-                                }
-                    } else {
-                        errors.add(Date() to "${manga.title} - ${service?.name} not logged in")
-                        Observable.empty()
-                    }
+            .flatMap { track ->
+                val service = trackManager.getService(track.sync_id)
+                if (service != null && service.isLogged) {
+                    service.refresh(track)
+                        .doOnNext { db.insertTrack(it).executeAsBlocking() }
+                        .onErrorReturn {
+                            errors.add(Date() to "${manga.title} - ${it.message}")
+                            track
+                        }
+                } else {
+                    errors.add(Date() to "${manga.title} - ${getString(R.string.tracker_not_logged_in, service?.name)}")
+                    Observable.empty()
                 }
+            }
     }
 
     /**
@@ -430,16 +434,33 @@ class BackupRestoreService : Service() {
      * @param amount total restoreAmount of manga
      * @param title title of restored manga
      */
-    private fun showRestoreProgress(progress: Int, amount: Int, title: String, errors: Int,
-                                    content: String = getString(R.string.dialog_restoring_backup, title.chop(15))) {
-        val intent = Intent(BackupConst.INTENT_FILTER).apply {
-            putExtra(BackupConst.EXTRA_PROGRESS, progress)
-            putExtra(BackupConst.EXTRA_AMOUNT, amount)
-            putExtra(BackupConst.EXTRA_CONTENT, content)
-            putExtra(BackupConst.EXTRA_ERRORS, errors)
-            putExtra(BackupConst.ACTION, BackupConst.ACTION_SET_PROGRESS_DIALOG)
-        }
-        sendLocalBroadcast(intent)
+    private fun showRestoreProgress(
+        progress: Int,
+        amount: Int,
+        title: String
+    ) {
+        notifier.showRestoreProgress(title, progress, amount)
     }
 
+    /**
+     * Write errors to error log
+     */
+    private fun writeErrorLog(): File {
+        try {
+            if (errors.isNotEmpty()) {
+                val destFile = File(externalCacheDir, "tachiyomi_restore.txt")
+                val sdf = SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS", Locale.getDefault())
+
+                destFile.bufferedWriter().use { out ->
+                    errors.forEach { (date, message) ->
+                        out.write("[${sdf.format(date)}] $message\n")
+                    }
+                }
+                return destFile
+            }
+        } catch (e: Exception) {
+            // Empty
+        }
+        return File("")
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreValidator.kt

@@ -0,0 +1,72 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.net.Uri
+import com.google.gson.JsonObject
+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 missing sources or missing trackers.
+     */
+    fun validate(context: Context, uri: Uri): Results {
+        val reader = JsonReader(context.contentResolver.openInputStream(uri)!!.bufferedReader())
+        val json = JsonParser.parseReader(reader).asJsonObject
+
+        val version = json.get(Backup.VERSION)
+        val mangasJson = json.get(Backup.MANGAS)
+        if (version == null || mangasJson == null) {
+            throw Exception(context.getString(R.string.invalid_backup_file_missing_data))
+        }
+
+        val mangas = mangasJson.asJsonArray
+        if (mangas.size() == 0) {
+            throw Exception(context.getString(R.string.invalid_backup_file_missing_manga))
+        }
+
+        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> {
+        val extensionsMapping = json.get(Backup.EXTENSIONS) ?: return emptyMap()
+
+        return extensionsMapping.asJsonArray
+            .map {
+                val items = it.asString.split(":")
+                items[0].toLong() to items[1]
+            }
+            .toMap()
+    }
+
+    data class Results(val missingSources: List<String>, val missingTrackers: List<String>)
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt

@@ -1,23 +1,25 @@
-package eu.kanade.tachiyomi.data.backup.models
-
-import java.text.SimpleDateFormat
-import java.util.*
-
-/**
- * Json values
- */
-object Backup {
-    const val CURRENT_VERSION = 2
-    const val MANGA = "manga"
-    const val MANGAS = "mangas"
-    const val TRACK = "track"
-    const val CHAPTERS = "chapters"
-    const val CATEGORIES = "categories"
-    const val HISTORY = "history"
-    const val VERSION = "version"
-
-    fun getDefaultFilename(): String {
-        val date = SimpleDateFormat("yyyy-MM-dd_HH-mm", Locale.getDefault()).format(Date())
-        return "tachiyomi_$date.json"
-    }
-}
+package eu.kanade.tachiyomi.data.backup.models
+
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+
+/**
+ * Json values
+ */
+object Backup {
+    const val CURRENT_VERSION = 2
+    const val MANGA = "manga"
+    const val MANGAS = "mangas"
+    const val TRACK = "track"
+    const val CHAPTERS = "chapters"
+    const val CATEGORIES = "categories"
+    const val EXTENSIONS = "extensions"
+    const val HISTORY = "history"
+    const val VERSION = "version"
+
+    fun getDefaultFilename(): String {
+        val date = SimpleDateFormat("yyyy-MM-dd_HH-mm", Locale.getDefault()).format(Date())
+        return "tachiyomi_$date.json"
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/DHistory.kt

@@ -1,3 +1,3 @@
 package eu.kanade.tachiyomi.data.backup.models
 
-data class DHistory(val url: String,val lastRead: Long)
+data class DHistory(val url: String, val lastRead: Long)

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/CategoryTypeAdapter.kt

@@ -28,4 +28,4 @@ object CategoryTypeAdapter {
             }
         }
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/ChapterTypeAdapter.kt

@@ -43,9 +43,7 @@ object ChapterTypeAdapter {
                 beginObject()
                 while (hasNext()) {
                     if (peek() == JsonToken.NAME) {
-                        val name = nextName()
-
-                        when (name) {
+                        when (nextName()) {
                             URL -> chapter.url = nextString()
                             READ -> chapter.read = nextInt() == 1
                             BOOKMARK -> chapter.bookmark = nextInt() == 1
@@ -58,4 +56,4 @@ object ChapterTypeAdapter {
             }
         }
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/HistoryTypeAdapter.kt

@@ -29,4 +29,4 @@ object HistoryTypeAdapter {
             }
         }
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/MangaTypeAdapter.kt

@@ -34,4 +34,4 @@ object MangaTypeAdapter {
             }
         }
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/TrackTypeAdapter.kt

@@ -1,6 +1,5 @@
 package eu.kanade.tachiyomi.data.backup.serializer
 
-import android.telecom.DisconnectCause.REMOTE
 import com.github.salomonbrys.kotson.typeAdapter
 import com.google.gson.TypeAdapter
 import com.google.gson.stream.JsonToken
@@ -42,9 +41,7 @@ object TrackTypeAdapter {
                 beginObject()
                 while (hasNext()) {
                     if (peek() == JsonToken.NAME) {
-                        val name = nextName()
-
-                        when (name) {
+                        when (nextName()) {
                             TITLE -> track.title = nextString()
                             SYNC -> track.sync_id = nextInt()
                             MEDIA -> track.media_id = nextInt()
@@ -59,4 +56,4 @@ object TrackTypeAdapter {
             }
         }
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt

@@ -7,14 +7,15 @@ import com.google.gson.Gson
 import com.jakewharton.disklrucache.DiskLruCache
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.source.model.Page
-import eu.kanade.tachiyomi.util.DiskUtil
-import eu.kanade.tachiyomi.util.saveTo
-import okhttp3.Response
-import okio.Okio
-import rx.Observable
-import uy.kohesive.injekt.injectLazy
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import eu.kanade.tachiyomi.util.storage.saveTo
 import java.io.File
 import java.io.IOException
+import okhttp3.Response
+import okio.buffer
+import okio.sink
+import rx.Observable
+import uy.kohesive.injekt.injectLazy
 
 /**
  * Class used to create chapter cache
@@ -38,17 +39,19 @@ class ChapterCache(private val context: Context) {
         const val PARAMETER_VALUE_COUNT = 1
 
         /** The maximum number of bytes this cache should use to store.  */
-        const val PARAMETER_CACHE_SIZE = 75L * 1024 * 1024
+        const val PARAMETER_CACHE_SIZE = 100L * 1024 * 1024
     }
 
     /** Google Json class used for parsing JSON files.  */
     private val gson: Gson by injectLazy()
 
     /** Cache class used for cache management.  */
-    private val diskCache = DiskLruCache.open(File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
-            PARAMETER_APP_VERSION,
-            PARAMETER_VALUE_COUNT,
-            PARAMETER_CACHE_SIZE)
+    private val diskCache = DiskLruCache.open(
+        File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
+        PARAMETER_APP_VERSION,
+        PARAMETER_VALUE_COUNT,
+        PARAMETER_CACHE_SIZE
+    )
 
     /**
      * Returns directory of cache.
@@ -76,16 +79,17 @@ class ChapterCache(private val context: Context) {
      */
     fun removeFileFromCache(file: String): Boolean {
         // Make sure we don't delete the journal file (keeps track of cache).
-        if (file == "journal" || file.startsWith("journal."))
+        if (file == "journal" || file.startsWith("journal.")) {
             return false
+        }
 
-        try {
+        return try {
             // Remove the extension from the file to get the key of the cache
             val key = file.substringBeforeLast(".")
             // Remove file from cache.
-            return diskCache.remove(key)
+            diskCache.remove(key)
         } catch (e: Exception) {
-            return false
+            false
         }
     }
 
@@ -126,7 +130,7 @@ class ChapterCache(private val context: Context) {
             editor = diskCache.edit(key) ?: return
 
             // Write chapter urls to cache.
-            Okio.buffer(Okio.sink(editor.newOutputStream(0))).use {
+            editor.newOutputStream(0).sink().buffer().use {
                 it.write(cachedValue.toByteArray())
                 it.flush()
             }
@@ -134,7 +138,6 @@ class ChapterCache(private val context: Context) {
             diskCache.flush()
             editor.commit()
             editor.abortUnlessCommitted()
-
         } catch (e: Exception) {
             // Ignore.
         } finally {
@@ -149,10 +152,10 @@ class ChapterCache(private val context: Context) {
      * @return true if in cache otherwise false.
      */
     fun isImageInCache(imageUrl: String): Boolean {
-        try {
-            return diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)) != null
+        return try {
+            diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)) != null
         } catch (e: IOException) {
-            return false
+            false
         }
     }
 
@@ -170,7 +173,7 @@ class ChapterCache(private val context: Context) {
 
     /**
      * Add image to cache.
-     * 
+     *
      * @param imageUrl url of image.
      * @param response http response from page.
      * @throws IOException image error.
@@ -186,12 +189,12 @@ class ChapterCache(private val context: Context) {
             editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
 
             // Get OutputStream and write image with Okio.
-            response.body()!!.source().saveTo(editor.newOutputStream(0))
+            response.body!!.source().saveTo(editor.newOutputStream(0))
 
             diskCache.flush()
             editor.commit()
         } finally {
-            response.body()?.close()
+            response.body?.close()
             editor?.abortUnlessCommitted()
         }
     }
@@ -200,4 +203,3 @@ class ChapterCache(private val context: Context) {
         return "${chapter.manga_id}${chapter.url}"
     }
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.kt

@@ -1,7 +1,8 @@
 package eu.kanade.tachiyomi.data.cache
 
 import android.content.Context
-import eu.kanade.tachiyomi.util.DiskUtil
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.util.storage.DiskUtil
 import java.io.File
 import java.io.IOException
 import java.io.InputStream
@@ -17,51 +18,89 @@ import java.io.InputStream
  */
 class CoverCache(private val context: Context) {
 
+    companion object {
+        private const val COVERS_DIR = "covers"
+        private const val CUSTOM_COVERS_DIR = "covers/custom"
+    }
+
     /**
      * Cache directory used for cache management.
      */
-    private val cacheDir = context.getExternalFilesDir("covers") ?:
-            File(context.filesDir, "covers").also { it.mkdirs() }
+    private val cacheDir = getCacheDir(COVERS_DIR)
+
+    private val customCoverCacheDir = getCacheDir(CUSTOM_COVERS_DIR)
 
     /**
      * Returns the cover from cache.
      *
-     * @param thumbnailUrl the thumbnail url.
+     * @param manga the manga.
      * @return cover image.
      */
-    fun getCoverFile(thumbnailUrl: String): File {
-        return File(cacheDir, DiskUtil.hashKeyForDisk(thumbnailUrl))
+    fun getCoverFile(manga: Manga): File? {
+        return manga.thumbnail_url?.let {
+            File(cacheDir, DiskUtil.hashKeyForDisk(it))
+        }
     }
 
     /**
-     * Copy the given stream to this cache.
+     * Returns the custom cover from cache.
      *
-     * @param thumbnailUrl url of the thumbnail.
-     * @param inputStream  the stream to copy.
+     * @param manga the manga.
+     * @return cover image.
+     */
+    fun getCustomCoverFile(manga: Manga): File {
+        return File(customCoverCacheDir, DiskUtil.hashKeyForDisk(manga.id.toString()))
+    }
+
+    /**
+     * Saves the given stream as the manga's custom cover to cache.
+     *
+     * @param manga the manga.
+     * @param inputStream the stream to copy.
      * @throws IOException if there's any error.
      */
     @Throws(IOException::class)
-    fun copyToCache(thumbnailUrl: String, inputStream: InputStream) {
-        // Get destination file.
-        val destFile = getCoverFile(thumbnailUrl)
-
-        destFile.outputStream().use { inputStream.copyTo(it) }
+    fun setCustomCoverToCache(manga: Manga, inputStream: InputStream) {
+        getCustomCoverFile(manga).outputStream().use {
+            inputStream.copyTo(it)
+        }
     }
 
     /**
-     * Delete the cover file from the cache.
+     * Delete the cover files of the manga from the cache.
      *
-     * @param thumbnailUrl the thumbnail url.
-     * @return status of deletion.
+     * @param manga the manga.
+     * @param deleteCustomCover whether the custom cover should be deleted.
+     * @return number of files that were deleted.
      */
-    fun deleteFromCache(thumbnailUrl: String?): Boolean {
-        // Check if url is empty.
-        if (thumbnailUrl.isNullOrEmpty())
-            return false
+    fun deleteFromCache(manga: Manga, deleteCustomCover: Boolean = false): Int {
+        var deleted = 0
 
-        // Remove file.
-        val file = getCoverFile(thumbnailUrl!!)
-        return file.exists() && file.delete()
+        getCoverFile(manga)?.let {
+            if (it.exists() && it.delete()) ++deleted
+        }
+
+        if (deleteCustomCover) {
+            if (deleteCustomCover(manga)) ++deleted
+        }
+
+        return deleted
     }
 
+    /**
+     * Delete custom cover of the manga from the cache
+     *
+     * @param manga the manga.
+     * @return whether the cover was deleted.
+     */
+    fun deleteCustomCover(manga: Manga): Boolean {
+        return getCustomCoverFile(manga).let {
+            it.exists() && it.delete()
+        }
+    }
+
+    private fun getCacheDir(dir: String): File {
+        return context.getExternalFilesDir(dir)
+            ?: File(context.filesDir, dir).also { it.mkdirs() }
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt

@@ -1,18 +1,33 @@
 package eu.kanade.tachiyomi.data.database
 
-import android.arch.persistence.db.SupportSQLiteOpenHelper
 import android.content.Context
+import androidx.sqlite.db.SupportSQLiteOpenHelper
 import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
-import eu.kanade.tachiyomi.data.database.mappers.*
-import eu.kanade.tachiyomi.data.database.models.*
-import eu.kanade.tachiyomi.data.database.queries.*
+import eu.kanade.tachiyomi.data.database.mappers.CategoryTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.ChapterTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.HistoryTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.MangaCategoryTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.MangaTypeMapping
+import eu.kanade.tachiyomi.data.database.mappers.TrackTypeMapping
+import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.queries.CategoryQueries
+import eu.kanade.tachiyomi.data.database.queries.ChapterQueries
+import eu.kanade.tachiyomi.data.database.queries.HistoryQueries
+import eu.kanade.tachiyomi.data.database.queries.MangaCategoryQueries
+import eu.kanade.tachiyomi.data.database.queries.MangaQueries
+import eu.kanade.tachiyomi.data.database.queries.TrackQueries
 import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
 
 /**
  * This class provides operations to manage the database through its interfaces.
  */
-open class DatabaseHelper(context: Context)
-: MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
+open class DatabaseHelper(context: Context) :
+    MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
 
     private val configuration = SupportSQLiteOpenHelper.Configuration.builder(context)
         .name(DbOpenCallback.DATABASE_NAME)
@@ -20,17 +35,14 @@ open class DatabaseHelper(context: Context)
         .build()
 
     override val db = DefaultStorIOSQLite.builder()
-            .sqliteOpenHelper(RequerySQLiteOpenHelperFactory().create(configuration))
-            .addTypeMapping(Manga::class.java, MangaTypeMapping())
-            .addTypeMapping(Chapter::class.java, ChapterTypeMapping())
-            .addTypeMapping(Track::class.java, TrackTypeMapping())
-            .addTypeMapping(Category::class.java, CategoryTypeMapping())
-            .addTypeMapping(MangaCategory::class.java, MangaCategoryTypeMapping())
-            .addTypeMapping(History::class.java, HistoryTypeMapping())
-            .build()
+        .sqliteOpenHelper(RequerySQLiteOpenHelperFactory().create(configuration))
+        .addTypeMapping(Manga::class.java, MangaTypeMapping())
+        .addTypeMapping(Chapter::class.java, ChapterTypeMapping())
+        .addTypeMapping(Track::class.java, TrackTypeMapping())
+        .addTypeMapping(Category::class.java, CategoryTypeMapping())
+        .addTypeMapping(MangaCategory::class.java, MangaCategoryTypeMapping())
+        .addTypeMapping(History::class.java, HistoryTypeMapping())
+        .build()
 
     inline fun inTransaction(block: () -> Unit) = db.inTransaction(block)
-
-    fun lowLevel() = db.lowLevel()
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/DbExtensions.kt

@@ -22,4 +22,3 @@ inline fun <T> StorIOSQLite.inTransactionReturn(block: () -> T): T {
         lowLevel().endTransaction()
     }
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt

@@ -1,11 +1,13 @@
 package eu.kanade.tachiyomi.data.database
 
-import android.arch.persistence.db.SupportSQLiteDatabase
-import android.arch.persistence.db.SupportSQLiteOpenHelper
-import android.content.Context
-import android.database.sqlite.SQLiteDatabase
-import android.database.sqlite.SQLiteOpenHelper
-import eu.kanade.tachiyomi.data.database.tables.*
+import androidx.sqlite.db.SupportSQLiteDatabase
+import androidx.sqlite.db.SupportSQLiteOpenHelper
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+import eu.kanade.tachiyomi.data.database.tables.TrackTable
 
 class DbOpenCallback : SupportSQLiteOpenHelper.Callback(DATABASE_VERSION) {
 
@@ -18,7 +20,7 @@ class DbOpenCallback : SupportSQLiteOpenHelper.Callback(DATABASE_VERSION) {
         /**
          * Version of the database.
          */
-        const val DATABASE_VERSION = 8
+        const val DATABASE_VERSION = 11
     }
 
     override fun onCreate(db: SupportSQLiteDatabase) = with(db) {
@@ -42,8 +44,10 @@ class DbOpenCallback : SupportSQLiteOpenHelper.Callback(DATABASE_VERSION) {
             db.execSQL(ChapterTable.sourceOrderUpdateQuery)
 
             // Fix kissmanga covers after supporting cloudflare
-            db.execSQL("""UPDATE mangas SET thumbnail_url =
-                    REPLACE(thumbnail_url, '93.174.95.110', 'kissmanga.com') WHERE source = 4""")
+            db.execSQL(
+                """UPDATE mangas SET thumbnail_url =
+                    REPLACE(thumbnail_url, '93.174.95.110', 'kissmanga.com') WHERE source = 4"""
+            )
         }
         if (oldVersion < 3) {
             // Initialize history tables
@@ -67,10 +71,20 @@ class DbOpenCallback : SupportSQLiteOpenHelper.Callback(DATABASE_VERSION) {
             db.execSQL(MangaTable.createLibraryIndexQuery)
             db.execSQL(ChapterTable.createUnreadChaptersIndexQuery)
         }
+        if (oldVersion < 9) {
+            db.execSQL(TrackTable.addStartDate)
+            db.execSQL(TrackTable.addFinishDate)
+        }
+        if (oldVersion < 10) {
+            db.execSQL(MangaTable.addCoverLastModified)
+        }
+        if (oldVersion < 11) {
+            db.execSQL(MangaTable.addDateAdded)
+            db.execSQL(MangaTable.backfillDateAdded)
+        }
     }
 
     override fun onConfigure(db: SupportSQLiteDatabase) {
         db.setForeignKeyConstraintsEnabled(true)
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt

@@ -5,5 +5,4 @@ import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
 interface DbProvider {
 
     val db: DefaultStorIOSQLite
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/CategoryTypeMapping.kt

@@ -18,22 +18,22 @@ import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_ORDER
 import eu.kanade.tachiyomi.data.database.tables.CategoryTable.TABLE
 
 class CategoryTypeMapping : SQLiteTypeMapping<Category>(
-        CategoryPutResolver(),
-        CategoryGetResolver(),
-        CategoryDeleteResolver()
+    CategoryPutResolver(),
+    CategoryGetResolver(),
+    CategoryDeleteResolver()
 )
 
 class CategoryPutResolver : DefaultPutResolver<Category>() {
 
     override fun mapToInsertQuery(obj: Category) = InsertQuery.builder()
-            .table(TABLE)
-            .build()
+        .table(TABLE)
+        .build()
 
     override fun mapToUpdateQuery(obj: Category) = UpdateQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 
     override fun mapToContentValues(obj: Category) = ContentValues(4).apply {
         put(COL_ID, obj.id)
@@ -56,8 +56,8 @@ class CategoryGetResolver : DefaultGetResolver<Category>() {
 class CategoryDeleteResolver : DefaultDeleteResolver<Category>() {
 
     override fun mapToDeleteQuery(obj: Category) = DeleteQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/ChapterTypeMapping.kt

@@ -26,22 +26,22 @@ import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_URL
 import eu.kanade.tachiyomi.data.database.tables.ChapterTable.TABLE
 
 class ChapterTypeMapping : SQLiteTypeMapping<Chapter>(
-        ChapterPutResolver(),
-        ChapterGetResolver(),
-        ChapterDeleteResolver()
+    ChapterPutResolver(),
+    ChapterGetResolver(),
+    ChapterDeleteResolver()
 )
 
 class ChapterPutResolver : DefaultPutResolver<Chapter>() {
 
     override fun mapToInsertQuery(obj: Chapter) = InsertQuery.builder()
-            .table(TABLE)
-            .build()
+        .table(TABLE)
+        .build()
 
     override fun mapToUpdateQuery(obj: Chapter) = UpdateQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 
     override fun mapToContentValues(obj: Chapter) = ContentValues(11).apply {
         put(COL_ID, obj.id)
@@ -80,9 +80,8 @@ class ChapterGetResolver : DefaultGetResolver<Chapter>() {
 class ChapterDeleteResolver : DefaultDeleteResolver<Chapter>() {
 
     override fun mapToDeleteQuery(obj: Chapter) = DeleteQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/HistoryTypeMapping.kt

@@ -18,22 +18,22 @@ import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_TIME_READ
 import eu.kanade.tachiyomi.data.database.tables.HistoryTable.TABLE
 
 class HistoryTypeMapping : SQLiteTypeMapping<History>(
-        HistoryPutResolver(),
-        HistoryGetResolver(),
-        HistoryDeleteResolver()
+    HistoryPutResolver(),
+    HistoryGetResolver(),
+    HistoryDeleteResolver()
 )
 
 open class HistoryPutResolver : DefaultPutResolver<History>() {
 
     override fun mapToInsertQuery(obj: History) = InsertQuery.builder()
-            .table(TABLE)
-            .build()
+        .table(TABLE)
+        .build()
 
     override fun mapToUpdateQuery(obj: History) = UpdateQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 
     override fun mapToContentValues(obj: History) = ContentValues(4).apply {
         put(COL_ID, obj.id)
@@ -56,8 +56,8 @@ class HistoryGetResolver : DefaultGetResolver<History>() {
 class HistoryDeleteResolver : DefaultDeleteResolver<History>() {
 
     override fun mapToDeleteQuery(obj: History) = DeleteQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaCategoryTypeMapping.kt

@@ -16,22 +16,22 @@ import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_MANGA_ID
 import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.TABLE
 
 class MangaCategoryTypeMapping : SQLiteTypeMapping<MangaCategory>(
-        MangaCategoryPutResolver(),
-        MangaCategoryGetResolver(),
-        MangaCategoryDeleteResolver()
+    MangaCategoryPutResolver(),
+    MangaCategoryGetResolver(),
+    MangaCategoryDeleteResolver()
 )
 
 class MangaCategoryPutResolver : DefaultPutResolver<MangaCategory>() {
 
     override fun mapToInsertQuery(obj: MangaCategory) = InsertQuery.builder()
-            .table(TABLE)
-            .build()
+        .table(TABLE)
+        .build()
 
     override fun mapToUpdateQuery(obj: MangaCategory) = UpdateQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 
     override fun mapToContentValues(obj: MangaCategory) = ContentValues(3).apply {
         put(COL_ID, obj.id)
@@ -52,8 +52,8 @@ class MangaCategoryGetResolver : DefaultGetResolver<MangaCategory>() {
 class MangaCategoryDeleteResolver : DefaultDeleteResolver<MangaCategory>() {
 
     override fun mapToDeleteQuery(obj: MangaCategory) = DeleteQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaTypeMapping.kt

@@ -14,6 +14,8 @@ import eu.kanade.tachiyomi.data.database.models.MangaImpl
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_ARTIST
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_AUTHOR
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_CHAPTER_FLAGS
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_COVER_LAST_MODIFIED
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_DATE_ADDED
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_DESCRIPTION
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_FAVORITE
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_GENRE
@@ -29,24 +31,24 @@ import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_VIEWER
 import eu.kanade.tachiyomi.data.database.tables.MangaTable.TABLE
 
 class MangaTypeMapping : SQLiteTypeMapping<Manga>(
-        MangaPutResolver(),
-        MangaGetResolver(),
-        MangaDeleteResolver()
+    MangaPutResolver(),
+    MangaGetResolver(),
+    MangaDeleteResolver()
 )
 
 class MangaPutResolver : DefaultPutResolver<Manga>() {
 
     override fun mapToInsertQuery(obj: Manga) = InsertQuery.builder()
-            .table(TABLE)
-            .build()
+        .table(TABLE)
+        .build()
 
     override fun mapToUpdateQuery(obj: Manga) = UpdateQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 
-    override fun mapToContentValues(obj: Manga) = ContentValues(15).apply {
+    override fun mapToContentValues(obj: Manga) = ContentValues(17).apply {
         put(COL_ID, obj.id)
         put(COL_SOURCE, obj.source)
         put(COL_URL, obj.url)
@@ -62,6 +64,8 @@ class MangaPutResolver : DefaultPutResolver<Manga>() {
         put(COL_INITIALIZED, obj.initialized)
         put(COL_VIEWER, obj.viewer)
         put(COL_CHAPTER_FLAGS, obj.chapter_flags)
+        put(COL_COVER_LAST_MODIFIED, obj.cover_last_modified)
+        put(COL_DATE_ADDED, obj.date_added)
     }
 }
 
@@ -82,6 +86,8 @@ interface BaseMangaGetResolver {
         initialized = cursor.getInt(cursor.getColumnIndex(COL_INITIALIZED)) == 1
         viewer = cursor.getInt(cursor.getColumnIndex(COL_VIEWER))
         chapter_flags = cursor.getInt(cursor.getColumnIndex(COL_CHAPTER_FLAGS))
+        cover_last_modified = cursor.getLong(cursor.getColumnIndex(COL_COVER_LAST_MODIFIED))
+        date_added = cursor.getLong(cursor.getColumnIndex(COL_DATE_ADDED))
     }
 }
 
@@ -95,8 +101,8 @@ open class MangaGetResolver : DefaultGetResolver<Manga>(), BaseMangaGetResolver
 class MangaDeleteResolver : DefaultDeleteResolver<Manga>() {
 
     override fun mapToDeleteQuery(obj: Manga) = DeleteQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/TrackTypeMapping.kt

@@ -11,12 +11,14 @@ import com.pushtorefresh.storio.sqlite.queries.InsertQuery
 import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.database.models.TrackImpl
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_FINISH_DATE
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_ID
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_LAST_CHAPTER_READ
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_LIBRARY_ID
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_MANGA_ID
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_MEDIA_ID
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_SCORE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_START_DATE
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_STATUS
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_SYNC_ID
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TITLE
@@ -25,22 +27,22 @@ import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TRACKING_URL
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.TABLE
 
 class TrackTypeMapping : SQLiteTypeMapping<Track>(
-        TrackPutResolver(),
-        TrackGetResolver(),
-        TrackDeleteResolver()
+    TrackPutResolver(),
+    TrackGetResolver(),
+    TrackDeleteResolver()
 )
 
 class TrackPutResolver : DefaultPutResolver<Track>() {
 
     override fun mapToInsertQuery(obj: Track) = InsertQuery.builder()
-            .table(TABLE)
-            .build()
+        .table(TABLE)
+        .build()
 
     override fun mapToUpdateQuery(obj: Track) = UpdateQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 
     override fun mapToContentValues(obj: Track) = ContentValues(10).apply {
         put(COL_ID, obj.id)
@@ -54,7 +56,8 @@ class TrackPutResolver : DefaultPutResolver<Track>() {
         put(COL_STATUS, obj.status)
         put(COL_TRACKING_URL, obj.tracking_url)
         put(COL_SCORE, obj.score)
-
+        put(COL_START_DATE, obj.started_reading_date)
+        put(COL_FINISH_DATE, obj.finished_reading_date)
     }
 }
 
@@ -72,14 +75,16 @@ class TrackGetResolver : DefaultGetResolver<Track>() {
         status = cursor.getInt(cursor.getColumnIndex(COL_STATUS))
         score = cursor.getFloat(cursor.getColumnIndex(COL_SCORE))
         tracking_url = cursor.getString(cursor.getColumnIndex(COL_TRACKING_URL))
+        started_reading_date = cursor.getLong(cursor.getColumnIndex(COL_START_DATE))
+        finished_reading_date = cursor.getLong(cursor.getColumnIndex(COL_FINISH_DATE))
     }
 }
 
 class TrackDeleteResolver : DefaultDeleteResolver<Track>() {
 
     override fun mapToDeleteQuery(obj: Track) = DeleteQuery.builder()
-            .table(TABLE)
-            .where("$COL_ID = ?")
-            .whereArgs(obj.id)
-            .build()
+        .table(TABLE)
+        .where("$COL_ID = ?")
+        .whereArgs(obj.id)
+        .build()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.kt

@@ -12,9 +12,6 @@ interface Category : Serializable {
 
     var flags: Int
 
-    val nameLower: String
-        get() = name.toLowerCase()
-
     companion object {
 
         fun create(name: String): Category = CategoryImpl().apply {
@@ -23,5 +20,4 @@ interface Category : Serializable {
 
         fun createDefault(): Category = create("Default").apply { id = 0 }
     }
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/CategoryImpl.kt

@@ -15,12 +15,10 @@ class CategoryImpl : Category {
         if (other == null || javaClass != other.javaClass) return false
 
         val category = other as Category
-
         return name == category.name
     }
 
     override fun hashCode(): Int {
         return name.hashCode()
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/ChapterImpl.kt

@@ -31,11 +31,11 @@ class ChapterImpl : Chapter {
         if (other == null || javaClass != other.javaClass) return false
 
         val chapter = other as Chapter
-        return url == chapter.url
+        if (url != chapter.url) return false
+        return id == chapter.id
     }
 
     override fun hashCode(): Int {
-        return url.hashCode()
+        return url.hashCode() + id.hashCode()
     }
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/History.kt

@@ -35,7 +35,7 @@ interface History : Serializable {
          * @param chapter chapter object
          * @return history object
          */
-        fun create(chapter: Chapter): History =  HistoryImpl().apply {
+        fun create(chapter: Chapter): History = HistoryImpl().apply {
             this.chapter_id = chapter.id!!
         }
     }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/LibraryManga.kt

@@ -5,5 +5,4 @@ class LibraryManga : MangaImpl() {
     var unread: Int = 0
 
     var category: Int = 0
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.kt

@@ -12,22 +12,30 @@ interface Manga : SManga {
 
     var last_update: Long
 
+    var date_added: Long
+
     var viewer: Int
 
     var chapter_flags: Int
 
+    var cover_last_modified: Long
+
     fun setChapterOrder(order: Int) {
         setFlags(order, SORT_MASK)
     }
 
-    private fun setFlags(flag: Int, mask: Int) {
-        chapter_flags = chapter_flags and mask.inv() or (flag and mask)
-    }
-
     fun sortDescending(): Boolean {
         return chapter_flags and SORT_MASK == SORT_DESC
     }
 
+    fun getGenres(): List<String>? {
+        return genre?.split(", ")?.map { it.trim() }
+    }
+
+    private fun setFlags(flag: Int, mask: Int) {
+        chapter_flags = chapter_flags and mask.inv() or (flag and mask)
+    }
+
     // Used to display the chapter's title one way or another
     var displayMode: Int
         get() = chapter_flags and DISPLAY_MASK
@@ -72,7 +80,8 @@ interface Manga : SManga {
 
         const val SORTING_SOURCE = 0x00000000
         const val SORTING_NUMBER = 0x00000100
-        const val SORTING_MASK = 0x00000100
+        const val SORTING_UPLOAD_DATE = 0x00000200
+        const val SORTING_MASK = 0x00000300
 
         const val DISPLAY_NAME = 0x00000000
         const val DISPLAY_NUMBER = 0x00100000
@@ -88,5 +97,4 @@ interface Manga : SManga {
             this.source = source
         }
     }
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.kt

@@ -17,5 +17,4 @@ class MangaCategory {
             return mc
         }
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapterHistory.kt

@@ -5,6 +5,6 @@ package eu.kanade.tachiyomi.data.database.models
  *
  * @param manga object containing manga
  * @param chapter object containing chater
- * @param history      object containing history
+ * @param history object containing history
  */
 data class MangaChapterHistory(val manga: Manga, val chapter: Chapter, val history: History)

app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaImpl.kt

@@ -26,24 +26,26 @@ open class MangaImpl : Manga {
 
     override var last_update: Long = 0
 
+    override var date_added: Long = 0
+
     override var initialized: Boolean = false
 
     override var viewer: Int = 0
 
     override var chapter_flags: Int = 0
 
+    override var cover_last_modified: Long = 0
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || javaClass != other.javaClass) return false
 
         val manga = other as Manga
-
-        return url == manga.url
-
+        if (url != manga.url) return false
+        return id == manga.id
     }
 
     override fun hashCode(): Int {
-        return url.hashCode()
+        return url.hashCode() + id.hashCode()
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Track.kt

@@ -24,12 +24,18 @@ interface Track : Serializable {
 
     var status: Int
 
+    var started_reading_date: Long
+
+    var finished_reading_date: Long
+
     var tracking_url: String
 
     fun copyPersonalFrom(other: Track) {
         last_chapter_read = other.last_chapter_read
         score = other.score
         status = other.status
+        started_reading_date = other.started_reading_date
+        finished_reading_date = other.finished_reading_date
     }
 
     companion object {
@@ -37,5 +43,4 @@ interface Track : Serializable {
             sync_id = serviceId
         }
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/models/TrackImpl.kt

@@ -22,6 +22,10 @@ class TrackImpl : Track {
 
     override var status: Int = 0
 
+    override var started_reading_date: Long = 0
+
+    override var finished_reading_date: Long = 0
+
     override var tracking_url: String = ""
 
     override fun equals(other: Any?): Boolean {
@@ -41,5 +45,4 @@ class TrackImpl : Track {
         result = 31 * result + media_id
         return result
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/CategoryQueries.kt

@@ -10,20 +10,24 @@ import eu.kanade.tachiyomi.data.database.tables.CategoryTable
 interface CategoryQueries : DbProvider {
 
     fun getCategories() = db.get()
-            .listOfObjects(Category::class.java)
-            .withQuery(Query.builder()
-                    .table(CategoryTable.TABLE)
-                    .orderBy(CategoryTable.COL_ORDER)
-                    .build())
-            .prepare()
+        .listOfObjects(Category::class.java)
+        .withQuery(
+            Query.builder()
+                .table(CategoryTable.TABLE)
+                .orderBy(CategoryTable.COL_ORDER)
+                .build()
+        )
+        .prepare()
 
     fun getCategoriesForManga(manga: Manga) = db.get()
-            .listOfObjects(Category::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(getCategoriesForMangaQuery())
-                    .args(manga.id)
-                    .build())
-            .prepare()
+        .listOfObjects(Category::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getCategoriesForMangaQuery())
+                .args(manga.id)
+                .build()
+        )
+        .prepare()
 
     fun insertCategory(category: Category) = db.put().`object`(category).prepare()
 
@@ -32,5 +36,4 @@ interface CategoryQueries : DbProvider {
     fun deleteCategory(category: Category) = db.delete().`object`(category).prepare()
 
     fun deleteCategories(categories: List<Category>) = db.delete().objects(categories).prepare()
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt

@@ -11,47 +11,65 @@ import eu.kanade.tachiyomi.data.database.resolvers.ChapterProgressPutResolver
 import eu.kanade.tachiyomi.data.database.resolvers.ChapterSourceOrderPutResolver
 import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterGetResolver
 import eu.kanade.tachiyomi.data.database.tables.ChapterTable
-import java.util.*
+import java.util.Date
 
 interface ChapterQueries : DbProvider {
 
     fun getChapters(manga: Manga) = db.get()
-            .listOfObjects(Chapter::class.java)
-            .withQuery(Query.builder()
-                    .table(ChapterTable.TABLE)
-                    .where("${ChapterTable.COL_MANGA_ID} = ?")
-                    .whereArgs(manga.id)
-                    .build())
-            .prepare()
+        .listOfObjects(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_MANGA_ID} = ?")
+                .whereArgs(manga.id)
+                .build()
+        )
+        .prepare()
 
     fun getRecentChapters(date: Date) = db.get()
-            .listOfObjects(MangaChapter::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(getRecentsQuery())
-                    .args(date.time)
-                    .observesTables(ChapterTable.TABLE)
-                    .build())
-            .withGetResolver(MangaChapterGetResolver.INSTANCE)
-            .prepare()
+        .listOfObjects(MangaChapter::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getRecentsQuery())
+                .args(date.time)
+                .observesTables(ChapterTable.TABLE)
+                .build()
+        )
+        .withGetResolver(MangaChapterGetResolver.INSTANCE)
+        .prepare()
 
     fun getChapter(id: Long) = db.get()
-            .`object`(Chapter::class.java)
-            .withQuery(Query.builder()
-                    .table(ChapterTable.TABLE)
-                    .where("${ChapterTable.COL_ID} = ?")
-                    .whereArgs(id)
-                    .build())
-            .prepare()
+        .`object`(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_ID} = ?")
+                .whereArgs(id)
+                .build()
+        )
+        .prepare()
 
     fun getChapter(url: String) = db.get()
-            .`object`(Chapter::class.java)
-            .withQuery(Query.builder()
-                    .table(ChapterTable.TABLE)
-                    .where("${ChapterTable.COL_URL} = ?")
-                    .whereArgs(url)
-                    .build())
-            .prepare()
+        .`object`(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_URL} = ?")
+                .whereArgs(url)
+                .build()
+        )
+        .prepare()
 
+    fun getChapter(url: String, mangaId: Long) = db.get()
+        .`object`(Chapter::class.java)
+        .withQuery(
+            Query.builder()
+                .table(ChapterTable.TABLE)
+                .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
+                .whereArgs(url, mangaId)
+                .build()
+        )
+        .prepare()
 
     fun insertChapter(chapter: Chapter) = db.put().`object`(chapter).prepare()
 
@@ -62,23 +80,22 @@ interface ChapterQueries : DbProvider {
     fun deleteChapters(chapters: List<Chapter>) = db.delete().objects(chapters).prepare()
 
     fun updateChaptersBackup(chapters: List<Chapter>) = db.put()
-            .objects(chapters)
-            .withPutResolver(ChapterBackupPutResolver())
-            .prepare()
+        .objects(chapters)
+        .withPutResolver(ChapterBackupPutResolver())
+        .prepare()
 
     fun updateChapterProgress(chapter: Chapter) = db.put()
-            .`object`(chapter)
-            .withPutResolver(ChapterProgressPutResolver())
-            .prepare()
+        .`object`(chapter)
+        .withPutResolver(ChapterProgressPutResolver())
+        .prepare()
 
     fun updateChaptersProgress(chapters: List<Chapter>) = db.put()
-            .objects(chapters)
-            .withPutResolver(ChapterProgressPutResolver())
-            .prepare()
+        .objects(chapters)
+        .withPutResolver(ChapterProgressPutResolver())
+        .prepare()
 
     fun fixChaptersSourceOrder(chapters: List<Chapter>) = db.put()
-            .objects(chapters)
-            .withPutResolver(ChapterSourceOrderPutResolver())
-            .prepare()
-
-}
+        .objects(chapters)
+        .withPutResolver(ChapterSourceOrderPutResolver())
+        .prepare()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/HistoryQueries.kt

@@ -8,7 +8,7 @@ import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
 import eu.kanade.tachiyomi.data.database.resolvers.HistoryLastReadPutResolver
 import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterHistoryGetResolver
 import eu.kanade.tachiyomi.data.database.tables.HistoryTable
-import java.util.*
+import java.util.Date
 
 interface HistoryQueries : DbProvider {
 
@@ -23,32 +23,38 @@ interface HistoryQueries : DbProvider {
      * @param date recent date range
      */
     fun getRecentManga(date: Date) = db.get()
-            .listOfObjects(MangaChapterHistory::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(getRecentMangasQuery())
-                    .args(date.time)
-                    .observesTables(HistoryTable.TABLE)
-                    .build())
-            .withGetResolver(MangaChapterHistoryGetResolver.INSTANCE)
-            .prepare()
+        .listOfObjects(MangaChapterHistory::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getRecentMangasQuery())
+                .args(date.time)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .withGetResolver(MangaChapterHistoryGetResolver.INSTANCE)
+        .prepare()
 
     fun getHistoryByMangaId(mangaId: Long) = db.get()
-            .listOfObjects(History::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(getHistoryByMangaId())
-                    .args(mangaId)
-                    .observesTables(HistoryTable.TABLE)
-                    .build())
-            .prepare()
+        .listOfObjects(History::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getHistoryByMangaId())
+                .args(mangaId)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .prepare()
 
     fun getHistoryByChapterUrl(chapterUrl: String) = db.get()
-            .`object`(History::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(getHistoryByChapterUrl())
-                    .args(chapterUrl)
-                    .observesTables(HistoryTable.TABLE)
-                    .build())
-            .prepare()
+        .`object`(History::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getHistoryByChapterUrl())
+                .args(chapterUrl)
+                .observesTables(HistoryTable.TABLE)
+                .build()
+        )
+        .prepare()
 
     /**
      * Updates the history last read.
@@ -56,9 +62,9 @@ interface HistoryQueries : DbProvider {
      * @param history history object
      */
     fun updateHistoryLastRead(history: History) = db.put()
-            .`object`(history)
-            .withPutResolver(HistoryLastReadPutResolver())
-            .prepare()
+        .`object`(history)
+        .withPutResolver(HistoryLastReadPutResolver())
+        .prepare()
 
     /**
      * Updates the history last read.
@@ -66,21 +72,25 @@ interface HistoryQueries : DbProvider {
      * @param historyList history object list
      */
     fun updateHistoryLastRead(historyList: List<History>) = db.put()
-            .objects(historyList)
-            .withPutResolver(HistoryLastReadPutResolver())
-            .prepare()
+        .objects(historyList)
+        .withPutResolver(HistoryLastReadPutResolver())
+        .prepare()
 
     fun deleteHistory() = db.delete()
-            .byQuery(DeleteQuery.builder()
-                    .table(HistoryTable.TABLE)
-                    .build())
-            .prepare()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(HistoryTable.TABLE)
+                .build()
+        )
+        .prepare()
 
     fun deleteHistoryNoLastRead() = db.delete()
-            .byQuery(DeleteQuery.builder()
-                    .table(HistoryTable.TABLE)
-                    .where("${HistoryTable.COL_LAST_READ} = ?")
-                    .whereArgs(0)
-                    .build())
-            .prepare()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(HistoryTable.TABLE)
+                .where("${HistoryTable.COL_LAST_READ} = ?")
+                .whereArgs(0)
+                .build()
+        )
+        .prepare()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaCategoryQueries.kt

@@ -15,12 +15,14 @@ interface MangaCategoryQueries : DbProvider {
     fun insertMangasCategories(mangasCategories: List<MangaCategory>) = db.put().objects(mangasCategories).prepare()
 
     fun deleteOldMangasCategories(mangas: List<Manga>) = db.delete()
-            .byQuery(DeleteQuery.builder()
-                    .table(MangaCategoryTable.TABLE)
-                    .where("${MangaCategoryTable.COL_MANGA_ID} IN (${Queries.placeholders(mangas.size)})")
-                    .whereArgs(*mangas.map { it.id }.toTypedArray())
-                    .build())
-            .prepare()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(MangaCategoryTable.TABLE)
+                .where("${MangaCategoryTable.COL_MANGA_ID} IN (${Queries.placeholders(mangas.size)})")
+                .whereArgs(*mangas.map { it.id }.toTypedArray())
+                .build()
+        )
+        .prepare()
 
     fun setMangaCategories(mangasCategories: List<MangaCategory>, mangas: List<Manga>) {
         db.inTransaction {
@@ -28,5 +30,4 @@ interface MangaCategoryQueries : DbProvider {
             insertMangasCategories(mangasCategories).executeAsBlocking()
         }
     }
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaQueries.kt

@@ -6,7 +6,13 @@ import com.pushtorefresh.storio.sqlite.queries.RawQuery
 import eu.kanade.tachiyomi.data.database.DbProvider
 import eu.kanade.tachiyomi.data.database.models.LibraryManga
 import eu.kanade.tachiyomi.data.database.models.Manga
-import eu.kanade.tachiyomi.data.database.resolvers.*
+import eu.kanade.tachiyomi.data.database.resolvers.LibraryMangaGetResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaCoverLastModifiedPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaFavoritePutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaFlagsPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaLastUpdatedPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaTitlePutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaViewerPutResolver
 import eu.kanade.tachiyomi.data.database.tables.CategoryTable
 import eu.kanade.tachiyomi.data.database.tables.ChapterTable
 import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
@@ -15,99 +21,142 @@ import eu.kanade.tachiyomi.data.database.tables.MangaTable
 interface MangaQueries : DbProvider {
 
     fun getMangas() = db.get()
-            .listOfObjects(Manga::class.java)
-            .withQuery(Query.builder()
-                    .table(MangaTable.TABLE)
-                    .build())
-            .prepare()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
 
     fun getLibraryMangas() = db.get()
-            .listOfObjects(LibraryManga::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(libraryQuery)
-                    .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE, CategoryTable.TABLE)
-                    .build())
-            .withGetResolver(LibraryMangaGetResolver.INSTANCE)
-            .prepare()
+        .listOfObjects(LibraryManga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(libraryQuery)
+                .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE, CategoryTable.TABLE)
+                .build()
+        )
+        .withGetResolver(LibraryMangaGetResolver.INSTANCE)
+        .prepare()
 
     fun getFavoriteMangas() = db.get()
-            .listOfObjects(Manga::class.java)
-            .withQuery(Query.builder()
-                    .table(MangaTable.TABLE)
-                    .where("${MangaTable.COL_FAVORITE} = ?")
-                    .whereArgs(1)
-                    .orderBy(MangaTable.COL_TITLE)
-                    .build())
-            .prepare()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_FAVORITE} = ?")
+                .whereArgs(1)
+                .orderBy(MangaTable.COL_TITLE)
+                .build()
+        )
+        .prepare()
 
     fun getManga(url: String, sourceId: Long) = db.get()
-            .`object`(Manga::class.java)
-            .withQuery(Query.builder()
-                    .table(MangaTable.TABLE)
-                    .where("${MangaTable.COL_URL} = ? AND ${MangaTable.COL_SOURCE} = ?")
-                    .whereArgs(url, sourceId)
-                    .build())
-            .prepare()
+        .`object`(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_URL} = ? AND ${MangaTable.COL_SOURCE} = ?")
+                .whereArgs(url, sourceId)
+                .build()
+        )
+        .prepare()
 
     fun getManga(id: Long) = db.get()
-            .`object`(Manga::class.java)
-            .withQuery(Query.builder()
-                    .table(MangaTable.TABLE)
-                    .where("${MangaTable.COL_ID} = ?")
-                    .whereArgs(id)
-                    .build())
-            .prepare()
+        .`object`(Manga::class.java)
+        .withQuery(
+            Query.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_ID} = ?")
+                .whereArgs(id)
+                .build()
+        )
+        .prepare()
 
     fun insertManga(manga: Manga) = db.put().`object`(manga).prepare()
 
     fun insertMangas(mangas: List<Manga>) = db.put().objects(mangas).prepare()
 
     fun updateFlags(manga: Manga) = db.put()
-            .`object`(manga)
-            .withPutResolver(MangaFlagsPutResolver())
-            .prepare()
+        .`object`(manga)
+        .withPutResolver(MangaFlagsPutResolver())
+        .prepare()
 
     fun updateLastUpdated(manga: Manga) = db.put()
-            .`object`(manga)
-            .withPutResolver(MangaLastUpdatedPutResolver())
-            .prepare()
+        .`object`(manga)
+        .withPutResolver(MangaLastUpdatedPutResolver())
+        .prepare()
 
     fun updateMangaFavorite(manga: Manga) = db.put()
-            .`object`(manga)
-            .withPutResolver(MangaFavoritePutResolver())
-            .prepare()
+        .`object`(manga)
+        .withPutResolver(MangaFavoritePutResolver())
+        .prepare()
 
     fun updateMangaViewer(manga: Manga) = db.put()
-            .`object`(manga)
-            .withPutResolver(MangaViewerPutResolver())
-            .prepare()
+        .`object`(manga)
+        .withPutResolver(MangaViewerPutResolver())
+        .prepare()
+
+    fun updateMangaTitle(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaTitlePutResolver())
+        .prepare()
+
+    fun updateMangaCoverLastModified(manga: Manga) = db.put()
+        .`object`(manga)
+        .withPutResolver(MangaCoverLastModifiedPutResolver())
+        .prepare()
 
     fun deleteManga(manga: Manga) = db.delete().`object`(manga).prepare()
 
     fun deleteMangas(mangas: List<Manga>) = db.delete().objects(mangas).prepare()
 
     fun deleteMangasNotInLibrary() = db.delete()
-            .byQuery(DeleteQuery.builder()
-                    .table(MangaTable.TABLE)
-                    .where("${MangaTable.COL_FAVORITE} = ?")
-                    .whereArgs(0)
-                    .build())
-            .prepare()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(MangaTable.TABLE)
+                .where("${MangaTable.COL_FAVORITE} = ?")
+                .whereArgs(0)
+                .build()
+        )
+        .prepare()
 
     fun deleteMangas() = db.delete()
-            .byQuery(DeleteQuery.builder()
-                    .table(MangaTable.TABLE)
-                    .build())
-            .prepare()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
 
     fun getLastReadManga() = db.get()
-            .listOfObjects(Manga::class.java)
-            .withQuery(RawQuery.builder()
-                    .query(getLastReadMangaQuery())
-                    .observesTables(MangaTable.TABLE)
-                    .build())
-            .prepare()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getLastReadMangaQuery())
+                .observesTables(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
 
-    fun getTotalChapterManga() = db.get().listOfObjects(Manga::class.java)
-            .withQuery(RawQuery.builder().query(getTotalChapterMangaQuery()).observesTables(MangaTable.TABLE).build()).prepare();
+    fun getTotalChapterManga() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getTotalChapterMangaQuery())
+                .observesTables(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
+
+    fun getLatestChapterManga() = db.get()
+        .listOfObjects(Manga::class.java)
+        .withQuery(
+            RawQuery.builder()
+                .query(getLatestChapterMangaQuery())
+                .observesTables(MangaTable.TABLE)
+                .build()
+        )
+        .prepare()
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/RawQueries.kt

@@ -9,7 +9,8 @@ import eu.kanade.tachiyomi.data.database.tables.MangaTable as Manga
 /**
  * Query to get the manga from the library, with their categories and unread count.
  */
-val libraryQuery = """
+val libraryQuery =
+    """
     SELECT M.*, COALESCE(MC.${MangaCategory.COL_CATEGORY_ID}, 0) AS ${Manga.COL_CATEGORY}
     FROM (
         SELECT ${Manga.TABLE}.*, COALESCE(C.unread, 0) AS ${Manga.COL_UNREAD}
@@ -33,10 +34,13 @@ val libraryQuery = """
 /**
  * Query to get the recent chapters of manga from the library up to a date.
  */
-fun getRecentsQuery() = """
+fun getRecentsQuery() =
+    """
     SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, * FROM ${Manga.TABLE} JOIN ${Chapter.TABLE}
     ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
-    WHERE ${Manga.COL_FAVORITE} = 1 AND ${Chapter.COL_DATE_UPLOAD} > ?
+    WHERE ${Manga.COL_FAVORITE} = 1 
+    AND ${Chapter.COL_DATE_UPLOAD} > ?
+    AND ${Chapter.COL_DATE_FETCH} > ${Manga.COL_DATE_ADDED}
     ORDER BY ${Chapter.COL_DATE_UPLOAD} DESC
 """
 
@@ -47,7 +51,8 @@ fun getRecentsQuery() = """
  * and are read after the given time period
  * @return return limit is 25
  */
-fun getRecentMangasQuery() = """
+fun getRecentMangasQuery() =
+    """
     SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, ${Manga.TABLE}.*, ${Chapter.TABLE}.*, ${History.TABLE}.*
     FROM ${Manga.TABLE}
     JOIN ${Chapter.TABLE}
@@ -65,7 +70,8 @@ fun getRecentMangasQuery() = """
     LIMIT 25
 """
 
-fun getHistoryByMangaId() = """
+fun getHistoryByMangaId() =
+    """
     SELECT ${History.TABLE}.*
     FROM ${History.TABLE}
     JOIN ${Chapter.TABLE}
@@ -73,7 +79,8 @@ fun getHistoryByMangaId() = """
     WHERE ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
 """
 
-fun getHistoryByChapterUrl() = """
+fun getHistoryByChapterUrl() =
+    """
     SELECT ${History.TABLE}.*
     FROM ${History.TABLE}
     JOIN ${Chapter.TABLE}
@@ -81,7 +88,8 @@ fun getHistoryByChapterUrl() = """
     WHERE ${Chapter.TABLE}.${Chapter.COL_URL} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
 """
 
-fun getLastReadMangaQuery() = """
+fun getLastReadMangaQuery() =
+    """
     SELECT ${Manga.TABLE}.*, MAX(${History.TABLE}.${History.COL_LAST_READ}) AS max
     FROM ${Manga.TABLE}
     JOIN ${Chapter.TABLE}
@@ -93,7 +101,8 @@ fun getLastReadMangaQuery() = """
     ORDER BY max DESC
 """
 
-fun getTotalChapterMangaQuery()= """
+fun getTotalChapterMangaQuery() =
+    """
     SELECT ${Manga.TABLE}.*
     FROM ${Manga.TABLE}
     JOIN ${Chapter.TABLE}
@@ -102,12 +111,23 @@ fun getTotalChapterMangaQuery()= """
     ORDER by COUNT(*)
 """
 
+fun getLatestChapterMangaQuery() =
+    """
+    SELECT ${Manga.TABLE}.*, MAX(${Chapter.TABLE}.${Chapter.COL_DATE_UPLOAD}) AS max
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    GROUP BY ${Manga.TABLE}.${Manga.COL_ID}
+    ORDER by max DESC
+"""
+
 /**
  * Query to get the categories for a manga.
  */
-fun getCategoriesForMangaQuery() = """
+fun getCategoriesForMangaQuery() =
+    """
     SELECT ${Category.TABLE}.* FROM ${Category.TABLE}
     JOIN ${MangaCategory.TABLE} ON ${Category.TABLE}.${Category.COL_ID} =
     ${MangaCategory.TABLE}.${MangaCategory.COL_CATEGORY_ID}
     WHERE ${MangaCategory.COL_MANGA_ID} = ?
-"""
+"""

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/TrackQueries.kt

@@ -1,34 +1,37 @@
-package eu.kanade.tachiyomi.data.database.queries
-
-import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
-import com.pushtorefresh.storio.sqlite.queries.Query
-import eu.kanade.tachiyomi.data.database.DbProvider
-import eu.kanade.tachiyomi.data.database.models.Manga
-import eu.kanade.tachiyomi.data.database.models.Track
-import eu.kanade.tachiyomi.data.database.tables.TrackTable
-import eu.kanade.tachiyomi.data.track.TrackService
-
-interface TrackQueries : DbProvider {
-
-    fun getTracks(manga: Manga) = db.get()
-            .listOfObjects(Track::class.java)
-            .withQuery(Query.builder()
-                    .table(TrackTable.TABLE)
-                    .where("${TrackTable.COL_MANGA_ID} = ?")
-                    .whereArgs(manga.id)
-                    .build())
-            .prepare()
-
-    fun insertTrack(track: Track) = db.put().`object`(track).prepare()
-
-    fun insertTracks(tracks: List<Track>) = db.put().objects(tracks).prepare()
-
-    fun deleteTrackForManga(manga: Manga, sync: TrackService) = db.delete()
-            .byQuery(DeleteQuery.builder()
-                    .table(TrackTable.TABLE)
-                    .where("${TrackTable.COL_MANGA_ID} = ? AND ${TrackTable.COL_SYNC_ID} = ?")
-                    .whereArgs(manga.id, sync.id)
-                    .build())
-            .prepare()
-
-}
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.Query
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.tables.TrackTable
+import eu.kanade.tachiyomi.data.track.TrackService
+
+interface TrackQueries : DbProvider {
+
+    fun getTracks(manga: Manga) = db.get()
+        .listOfObjects(Track::class.java)
+        .withQuery(
+            Query.builder()
+                .table(TrackTable.TABLE)
+                .where("${TrackTable.COL_MANGA_ID} = ?")
+                .whereArgs(manga.id)
+                .build()
+        )
+        .prepare()
+
+    fun insertTrack(track: Track) = db.put().`object`(track).prepare()
+
+    fun insertTracks(tracks: List<Track>) = db.put().objects(tracks).prepare()
+
+    fun deleteTrackForManga(manga: Manga, sync: TrackService) = db.delete()
+        .byQuery(
+            DeleteQuery.builder()
+                .table(TrackTable.TABLE)
+                .where("${TrackTable.COL_MANGA_ID} = ? AND ${TrackTable.COL_SYNC_ID} = ?")
+                .whereArgs(manga.id, sync.id)
+                .build()
+        )
+        .prepare()
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterBackupPutResolver.kt

@@ -20,16 +20,14 @@ class ChapterBackupPutResolver : PutResolver<Chapter>() {
     }
 
     fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
-            .table(ChapterTable.TABLE)
-            .where("${ChapterTable.COL_URL} = ?")
-            .whereArgs(chapter.url)
-            .build()
+        .table(ChapterTable.TABLE)
+        .where("${ChapterTable.COL_URL} = ?")
+        .whereArgs(chapter.url)
+        .build()
 
     fun mapToContentValues(chapter: Chapter) = ContentValues(3).apply {
         put(ChapterTable.COL_READ, chapter.read)
         put(ChapterTable.COL_BOOKMARK, chapter.bookmark)
         put(ChapterTable.COL_LAST_PAGE_READ, chapter.last_page_read)
     }
-
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterProgressPutResolver.kt

@@ -20,16 +20,14 @@ class ChapterProgressPutResolver : PutResolver<Chapter>() {
     }
 
     fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
-            .table(ChapterTable.TABLE)
-            .where("${ChapterTable.COL_ID} = ?")
-            .whereArgs(chapter.id)
-            .build()
+        .table(ChapterTable.TABLE)
+        .where("${ChapterTable.COL_ID} = ?")
+        .whereArgs(chapter.id)
+        .build()
 
     fun mapToContentValues(chapter: Chapter) = ContentValues(3).apply {
         put(ChapterTable.COL_READ, chapter.read)
         put(ChapterTable.COL_BOOKMARK, chapter.bookmark)
         put(ChapterTable.COL_LAST_PAGE_READ, chapter.last_page_read)
     }
-
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterSourceOrderPutResolver.kt

@@ -20,13 +20,12 @@ class ChapterSourceOrderPutResolver : PutResolver<Chapter>() {
     }
 
     fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
-            .table(ChapterTable.TABLE)
-            .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
-            .whereArgs(chapter.url, chapter.manga_id)
-            .build()
+        .table(ChapterTable.TABLE)
+        .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
+        .whereArgs(chapter.url, chapter.manga_id)
+        .build()
 
     fun mapToContentValues(chapter: Chapter) = ContentValues(1).apply {
         put(ChapterTable.COL_SOURCE_ORDER, chapter.source_order)
     }
-
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/HistoryLastReadPutResolver.kt

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.database.resolvers
 
 import android.content.ContentValues
-import android.support.annotation.NonNull
+import androidx.annotation.NonNull
 import com.pushtorefresh.storio.sqlite.StorIOSQLite
 import com.pushtorefresh.storio.sqlite.operations.put.PutResult
 import com.pushtorefresh.storio.sqlite.queries.Query
@@ -19,25 +19,25 @@ class HistoryLastReadPutResolver : HistoryPutResolver() {
     override fun performPut(@NonNull db: StorIOSQLite, @NonNull history: History): PutResult = db.inTransactionReturn {
         val updateQuery = mapToUpdateQuery(history)
 
-        val cursor = db.lowLevel().query(Query.builder()
+        val cursor = db.lowLevel().query(
+            Query.builder()
                 .table(updateQuery.table())
                 .where(updateQuery.where())
                 .whereArgs(updateQuery.whereArgs())
-                .build())
+                .build()
+        )
 
         val putResult: PutResult
 
-        try {
-            if (cursor.count == 0) {
+        putResult = cursor.use { putCursor ->
+            if (putCursor.count == 0) {
                 val insertQuery = mapToInsertQuery(history)
                 val insertedId = db.lowLevel().insert(insertQuery, mapToContentValues(history))
-                putResult = PutResult.newInsertResult(insertedId, insertQuery.table())
+                PutResult.newInsertResult(insertedId, insertQuery.table())
             } else {
                 val numberOfRowsUpdated = db.lowLevel().update(updateQuery, mapToUpdateContentValues(history))
-                putResult = PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+                PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
             }
-        } finally {
-            cursor.close()
         }
 
         putResult
@@ -48,10 +48,10 @@ class HistoryLastReadPutResolver : HistoryPutResolver() {
      * @param obj history object
      */
     override fun mapToUpdateQuery(obj: History) = UpdateQuery.builder()
-            .table(HistoryTable.TABLE)
-            .where("${HistoryTable.COL_CHAPTER_ID} = ?")
-            .whereArgs(obj.chapter_id)
-            .build()
+        .table(HistoryTable.TABLE)
+        .where("${HistoryTable.COL_CHAPTER_ID} = ?")
+        .whereArgs(obj.chapter_id)
+        .build()
 
     /**
      * Create content query
@@ -60,5 +60,4 @@ class HistoryLastReadPutResolver : HistoryPutResolver() {
     fun mapToUpdateContentValues(history: History) = ContentValues(1).apply {
         put(HistoryTable.COL_LAST_READ, history.last_read)
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/LibraryMangaGetResolver.kt

@@ -21,5 +21,4 @@ class LibraryMangaGetResolver : DefaultGetResolver<LibraryManga>(), BaseMangaGet
 
         return manga
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterGetResolver.kt

@@ -24,5 +24,4 @@ class MangaChapterGetResolver : DefaultGetResolver<MangaChapter>() {
 
         return MangaChapter(manga, chapter)
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaCoverLastModifiedPutResolver.kt

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaCoverLastModifiedPutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_COVER_LAST_MODIFIED, manga.cover_last_modified)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaFavoritePutResolver.kt

@@ -20,14 +20,12 @@ class MangaFavoritePutResolver : PutResolver<Manga>() {
     }
 
     fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
-            .table(MangaTable.TABLE)
-            .where("${MangaTable.COL_ID} = ?")
-            .whereArgs(manga.id)
-            .build()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
 
     fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
         put(MangaTable.COL_FAVORITE, manga.favorite)
     }
-
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaFlagsPutResolver.kt

@@ -20,14 +20,12 @@ class MangaFlagsPutResolver : PutResolver<Manga>() {
     }
 
     fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
-            .table(MangaTable.TABLE)
-            .where("${MangaTable.COL_ID} = ?")
-            .whereArgs(manga.id)
-            .build()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
 
     fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
         put(MangaTable.COL_CHAPTER_FLAGS, manga.chapter_flags)
     }
-
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaLastUpdatedPutResolver.kt

@@ -20,14 +20,12 @@ class MangaLastUpdatedPutResolver : PutResolver<Manga>() {
     }
 
     fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
-            .table(MangaTable.TABLE)
-            .where("${MangaTable.COL_ID} = ?")
-            .whereArgs(manga.id)
-            .build()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
 
     fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
         put(MangaTable.COL_LAST_UPDATE, manga.last_update)
     }
-
 }
-

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaTitlePutResolver.kt

@@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaTitlePutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+        .table(MangaTable.TABLE)
+        .where("${MangaTable.COL_ID} = ?")
+        .whereArgs(manga.id)
+        .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_TITLE, manga.title)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaViewerPutResolver.kt

@@ -28,5 +28,4 @@ class MangaViewerPutResolver : PutResolver<Manga>() {
     fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
         put(MangaTable.COL_VIEWER, manga.viewer)
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/tables/CategoryTable.kt

@@ -13,11 +13,11 @@ object CategoryTable {
     const val COL_FLAGS = "flags"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_NAME TEXT NOT NULL,
             $COL_ORDER INTEGER NOT NULL,
             $COL_FLAGS INTEGER NOT NULL
             )"""
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/tables/ChapterTable.kt

@@ -29,7 +29,8 @@ object ChapterTable {
     const val COL_SOURCE_ORDER = "source_order"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_MANGA_ID INTEGER NOT NULL,
             $COL_URL TEXT NOT NULL,
@@ -51,7 +52,7 @@ object ChapterTable {
 
     val createUnreadChaptersIndexQuery: String
         get() = "CREATE INDEX ${TABLE}_unread_by_manga_index ON $TABLE($COL_MANGA_ID, $COL_READ) " +
-                "WHERE $COL_READ = 0"
+            "WHERE $COL_READ = 0"
 
     val sourceOrderUpdateQuery: String
         get() = "ALTER TABLE $TABLE ADD COLUMN $COL_SOURCE_ORDER INTEGER DEFAULT 0"
@@ -61,5 +62,4 @@ object ChapterTable {
 
     val addScanlator: String
         get() = "ALTER TABLE $TABLE ADD COLUMN $COL_SCANLATOR TEXT DEFAULT NULL"
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/tables/HistoryTable.kt

@@ -31,7 +31,8 @@ object HistoryTable {
      * query to create history table
      */
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_CHAPTER_ID INTEGER NOT NULL UNIQUE,
             $COL_LAST_READ LONG,

app/src/main/java/eu/kanade/tachiyomi/data/database/tables/MangaCategoryTable.kt

@@ -11,7 +11,8 @@ object MangaCategoryTable {
     const val COL_CATEGORY_ID = "category_id"
 
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_MANGA_ID INTEGER NOT NULL,
             $COL_CATEGORY_ID INTEGER NOT NULL,
@@ -20,5 +21,4 @@ object MangaCategoryTable {
             FOREIGN KEY($COL_MANGA_ID) REFERENCES ${MangaTable.TABLE} (${MangaTable.COL_ID})
             ON DELETE CASCADE
             )"""
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/tables/MangaTable.kt

@@ -28,6 +28,8 @@ object MangaTable {
 
     const val COL_LAST_UPDATE = "last_update"
 
+    const val COL_DATE_ADDED = "date_added"
+
     const val COL_INITIALIZED = "initialized"
 
     const val COL_VIEWER = "viewer"
@@ -38,8 +40,11 @@ object MangaTable {
 
     const val COL_CATEGORY = "category"
 
+    const val COL_COVER_LAST_MODIFIED = "cover_last_modified"
+
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_SOURCE INTEGER NOT NULL,
             $COL_URL TEXT NOT NULL,
@@ -54,7 +59,9 @@ object MangaTable {
             $COL_LAST_UPDATE LONG,
             $COL_INITIALIZED BOOLEAN NOT NULL,
             $COL_VIEWER INTEGER NOT NULL,
-            $COL_CHAPTER_FLAGS INTEGER NOT NULL
+            $COL_CHAPTER_FLAGS INTEGER NOT NULL,
+            $COL_COVER_LAST_MODIFIED LONG NOT NULL,
+            $COL_DATE_ADDED LONG NOT NULL
             )"""
 
     val createUrlIndexQuery: String
@@ -62,5 +69,21 @@ object MangaTable {
 
     val createLibraryIndexQuery: String
         get() = "CREATE INDEX library_${COL_FAVORITE}_index ON $TABLE($COL_FAVORITE) " +
-                "WHERE $COL_FAVORITE = 1"
+            "WHERE $COL_FAVORITE = 1"
+
+    val addCoverLastModified: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_COVER_LAST_MODIFIED LONG NOT NULL DEFAULT 0"
+
+    val addDateAdded: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_DATE_ADDED LONG NOT NULL DEFAULT 0"
+
+    /**
+     * Used with addDateAdded to populate it with the oldest chapter fetch date.
+     */
+    val backfillDateAdded: String
+        get() = "UPDATE $TABLE SET $COL_DATE_ADDED = " +
+            "(SELECT MIN(${ChapterTable.COL_DATE_FETCH}) " +
+            "FROM $TABLE INNER JOIN ${ChapterTable.TABLE} " +
+            "ON $TABLE.$COL_ID = ${ChapterTable.TABLE}.${ChapterTable.COL_MANGA_ID} " +
+            "GROUP BY $TABLE.$COL_ID)"
 }

app/src/main/java/eu/kanade/tachiyomi/data/database/tables/TrackTable.kt

@@ -26,8 +26,13 @@ object TrackTable {
 
     const val COL_TRACKING_URL = "remote_url"
 
+    const val COL_START_DATE = "start_date"
+
+    const val COL_FINISH_DATE = "finish_date"
+
     val createTableQuery: String
-        get() = """CREATE TABLE $TABLE(
+        get() =
+            """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
             $COL_MANGA_ID INTEGER NOT NULL,
             $COL_SYNC_ID INTEGER NOT NULL,
@@ -39,6 +44,8 @@ object TrackTable {
             $COL_STATUS INTEGER NOT NULL,
             $COL_SCORE FLOAT NOT NULL,
             $COL_TRACKING_URL TEXT NOT NULL,
+            $COL_START_DATE LONG NOT NULL,
+            $COL_FINISH_DATE LONG NOT NULL,
             UNIQUE ($COL_MANGA_ID, $COL_SYNC_ID) ON CONFLICT REPLACE,
             FOREIGN KEY($COL_MANGA_ID) REFERENCES ${MangaTable.TABLE} (${MangaTable.COL_ID})
             ON DELETE CASCADE
@@ -49,4 +56,10 @@ object TrackTable {
 
     val addLibraryId: String
         get() = "ALTER TABLE $TABLE ADD COLUMN $COL_LIBRARY_ID INTEGER NULL"
+
+    val addStartDate: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_START_DATE LONG NOT NULL DEFAULT 0"
+
+    val addFinishDate: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_FINISH_DATE LONG NOT NULL DEFAULT 0"
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt

@@ -1,16 +1,16 @@
 package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
-import android.net.Uri
+import androidx.core.net.toUri
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.source.SourceManager
+import java.util.concurrent.TimeUnit
+import kotlinx.coroutines.flow.onEach
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import java.util.concurrent.TimeUnit
 
 /**
  * Cache where we dump the downloads directory from the filesystem. This class is needed because
@@ -24,10 +24,10 @@ import java.util.concurrent.TimeUnit
  * @param preferences the preferences of the app.
  */
 class DownloadCache(
-        private val context: Context,
-        private val provider: DownloadProvider,
-        private val sourceManager: SourceManager,
-        private val preferences: PreferencesHelper = Injekt.get()
+    private val context: Context,
+    private val provider: DownloadProvider,
+    private val sourceManager: SourceManager,
+    private val preferences: PreferencesHelper = Injekt.get()
 ) {
 
     /**
@@ -47,20 +47,19 @@ class DownloadCache(
     private var rootDir = RootDirectory(getDirectoryFromPreference())
 
     init {
-        preferences.downloadsDirectory().asObservable()
-                .skip(1)
-                .subscribe {
-                    lastRenew = 0L // invalidate cache
-                    rootDir = RootDirectory(getDirectoryFromPreference())
-                }
+        preferences.downloadsDirectory().asFlow()
+            .onEach {
+                lastRenew = 0L // invalidate cache
+                rootDir = RootDirectory(getDirectoryFromPreference())
+            }
     }
 
     /**
      * Returns the downloads directory from the user's preferences.
      */
     private fun getDirectoryFromPreference(): UniFile {
-        val dir = preferences.downloadsDirectory().getOrDefault()
-        return UniFile.fromUri(context, Uri.parse(dir))
+        val dir = preferences.downloadsDirectory().get()
+        return UniFile.fromUri(context, dir.toUri())
     }
 
     /**
@@ -82,7 +81,7 @@ class DownloadCache(
         if (sourceDir != null) {
             val mangaDir = sourceDir.files[provider.getMangaDirName(manga)]
             if (mangaDir != null) {
-                return provider.getChapterDirName(chapter) in mangaDir.files
+                return provider.getValidChapterDirNames(chapter).any { it in mangaDir.files }
             }
         }
         return false
@@ -100,7 +99,9 @@ class DownloadCache(
         if (sourceDir != null) {
             val mangaDir = sourceDir.files[provider.getMangaDirName(manga)]
             if (mangaDir != null) {
-                return mangaDir.files.size
+                return mangaDir.files
+                    .filter { !it.endsWith(Downloader.TMP_DIR_SUFFIX) }
+                    .size
             }
         }
         return 0
@@ -124,26 +125,26 @@ class DownloadCache(
         val onlineSources = sourceManager.getOnlineSources()
 
         val sourceDirs = rootDir.dir.listFiles()
-                .orEmpty()
-                .associate { it.name to SourceDirectory(it) }
-                .mapNotNullKeys { entry ->
-                    onlineSources.find { provider.getSourceDirName(it) == entry.key }?.id
-                }
+            .orEmpty()
+            .associate { it.name to SourceDirectory(it) }
+            .mapNotNullKeys { entry ->
+                onlineSources.find { provider.getSourceDirName(it).toLowerCase() == entry.key?.toLowerCase() }?.id
+            }
 
         rootDir.files = sourceDirs
 
         sourceDirs.values.forEach { sourceDir ->
             val mangaDirs = sourceDir.dir.listFiles()
-                    .orEmpty()
-                    .associateNotNullKeys { it.name to MangaDirectory(it) }
+                .orEmpty()
+                .associateNotNullKeys { it.name to MangaDirectory(it) }
 
             sourceDir.files = mangaDirs
 
             mangaDirs.values.forEach { mangaDir ->
                 val chapterDirs = mangaDir.dir.listFiles()
-                        .orEmpty()
-                        .mapNotNull { it.name }
-                        .toHashSet()
+                    .orEmpty()
+                    .mapNotNull { it.name }
+                    .toHashSet()
 
                 mangaDir.files = chapterDirs
             }
@@ -190,9 +191,10 @@ class DownloadCache(
     fun removeChapter(chapter: Chapter, manga: Manga) {
         val sourceDir = rootDir.files[manga.source] ?: return
         val mangaDir = sourceDir.files[provider.getMangaDirName(manga)] ?: return
-        val chapterDirName = provider.getChapterDirName(chapter)
-        if (chapterDirName in mangaDir.files) {
-            mangaDir.files -= chapterDirName
+        provider.getValidChapterDirNames(chapter).forEach {
+            if (it in mangaDir.files) {
+                mangaDir.files -= it
+            }
         }
     }
 
@@ -206,10 +208,11 @@ class DownloadCache(
     fun removeChapters(chapters: List<Chapter>, manga: Manga) {
         val sourceDir = rootDir.files[manga.source] ?: return
         val mangaDir = sourceDir.files[provider.getMangaDirName(manga)] ?: return
-        for (chapter in chapters) {
-            val chapterDirName = provider.getChapterDirName(chapter)
-            if (chapterDirName in mangaDir.files) {
-                mangaDir.files -= chapterDirName
+        chapters.forEach { chapter ->
+            provider.getValidChapterDirNames(chapter).forEach {
+                if (it in mangaDir.files) {
+                    mangaDir.files -= it
+                }
             }
         }
     }
@@ -231,27 +234,33 @@ class DownloadCache(
     /**
      * Class to store the files under the root downloads directory.
      */
-    private class RootDirectory(val dir: UniFile,
-                                var files: Map<Long, SourceDirectory> = hashMapOf())
+    private class RootDirectory(
+        val dir: UniFile,
+        var files: Map<Long, SourceDirectory> = hashMapOf()
+    )
 
     /**
      * Class to store the files under a source directory.
      */
-    private class SourceDirectory(val dir: UniFile,
-                                  var files: Map<String, MangaDirectory> = hashMapOf())
+    private class SourceDirectory(
+        val dir: UniFile,
+        var files: Map<String, MangaDirectory> = hashMapOf()
+    )
 
     /**
      * Class to store the files under a manga directory.
      */
-    private class MangaDirectory(val dir: UniFile,
-                                 var files: Set<String> = hashSetOf())
+    private class MangaDirectory(
+        val dir: UniFile,
+        var files: Set<String> = hashSetOf()
+    )
 
     /**
      * Returns a new map containing only the key entries of [transform] that are not null.
      */
     private inline fun <K, V, R> Map<out K, V>.mapNotNullKeys(transform: (Map.Entry<K?, V>) -> R?): Map<R, V> {
         val destination = LinkedHashMap<R, V>()
-        forEach { element -> transform(element)?.let { destination.put(it, element.value) } }
+        forEach { element -> transform(element)?.let { destination[it] = element.value } }
         return destination
     }
 
@@ -263,10 +272,9 @@ class DownloadCache(
         for (element in this) {
             val (key, value) = transform(element)
             if (key != null) {
-                destination.put(key, value)
+                destination[key] = value
             }
         }
         return destination
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt

@@ -3,13 +3,17 @@ package eu.kanade.tachiyomi.data.download
 import android.content.Context
 import com.hippo.unifile.UniFile
 import com.jakewharton.rxrelay.BehaviorRelay
+import eu.kanade.tachiyomi.R
 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
 import rx.Observable
+import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
 
 /**
@@ -19,12 +23,10 @@ import uy.kohesive.injekt.injectLazy
  *
  * @param context the application context.
  */
-class DownloadManager(context: Context) {
+class DownloadManager(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.
@@ -92,6 +94,29 @@ class DownloadManager(context: Context) {
         downloader.clearQueue(isNotification)
     }
 
+    /**
+     * Reorders the download queue.
+     *
+     * @param downloads value to set the download queue to
+     */
+    fun reorderQueue(downloads: List<Download>) {
+        val wasRunning = downloader.isRunning
+
+        if (downloads.isEmpty()) {
+            DownloadService.stop(context)
+            downloader.queue.clear()
+            return
+        }
+
+        downloader.pause()
+        downloader.queue.clear()
+        downloader.queue.addAll(downloads)
+
+        if (wasRunning) {
+            downloader.start()
+        }
+    }
+
     /**
      * Tells the downloader to enqueue the given list of chapters.
      *
@@ -124,16 +149,16 @@ class DownloadManager(context: Context) {
     private fun buildPageList(chapterDir: UniFile?): Observable<List<Page>> {
         return Observable.fromCallable {
             val files = chapterDir?.listFiles().orEmpty()
-                    .filter { "image" in it.type.orEmpty() }
+                .filter { "image" in it.type.orEmpty() }
 
             if (files.isEmpty()) {
-                throw Exception("Page list is empty")
+                throw Exception(context.getString(R.string.page_list_empty_error))
             }
 
             files.sortedBy { it.name }
-                    .mapIndexed { i, file ->
-                        Page(i, uri = file.uri).apply { status = Page.READY }
-                    }
+                .mapIndexed { i, file ->
+                    Page(i, uri = file.uri).apply { status = Page.READY }
+                }
         }
     }
 
@@ -157,6 +182,15 @@ class DownloadManager(context: Context) {
         return cache.getDownloadCount(manga)
     }
 
+    /**
+     * Calls delete chapter, which deletes a temp download.
+     *
+     * @param download the download to cancel.
+     */
+    fun deletePendingDownload(download: Download) {
+        deleteChapters(listOf(download.chapter), download.manga, download.source)
+    }
+
     /**
      * Deletes the directories of a list of downloaded chapters.
      *
@@ -166,9 +200,16 @@ class DownloadManager(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()
         }
@@ -207,4 +248,29 @@ class DownloadManager(context: Context) {
         }
     }
 
+    /**
+     * Renames an already downloaded chapter
+     *
+     * @param source the source of the manga.
+     * @param manga the manga of the chapter.
+     * @param oldChapter the existing chapter with the old name.
+     * @param newChapter the target chapter with the new name.
+     */
+    fun renameChapter(source: Source, manga: Manga, oldChapter: Chapter, newChapter: Chapter) {
+        val oldNames = provider.getValidChapterDirNames(oldChapter)
+        val newName = provider.getChapterDirName(newChapter)
+        val mangaDir = provider.getMangaDir(manga, source)
+
+        // Assume there's only 1 version of the chapter name formats present
+        val oldFolder = oldNames.asSequence()
+            .mapNotNull { mangaDir.findFile(it) }
+            .firstOrNull()
+
+        if (oldFolder?.renameTo(newName) == true) {
+            cache.removeChapter(oldChapter, manga)
+            cache.addChapter(newName, mangaDir, manga)
+        } else {
+            Timber.e("Could not rename downloaded chapter: %s.", oldNames.joinToString())
+        }
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadNotifier.kt

@@ -2,16 +2,18 @@ package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
 import android.graphics.BitmapFactory
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
-import eu.kanade.tachiyomi.data.download.model.DownloadQueue
 import eu.kanade.tachiyomi.data.notification.NotificationHandler
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
 import eu.kanade.tachiyomi.data.notification.Notifications
-import eu.kanade.tachiyomi.util.chop
-import eu.kanade.tachiyomi.util.notificationManager
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.util.lang.chop
+import eu.kanade.tachiyomi.util.system.notificationBuilder
+import eu.kanade.tachiyomi.util.system.notificationManager
 import java.util.regex.Pattern
+import uy.kohesive.injekt.injectLazy
 
 /**
  * DownloadNotifier is used to show notifications when downloading one or multiple chapters.
@@ -19,12 +21,25 @@ import java.util.regex.Pattern
  * @param context context of application
  */
 internal class DownloadNotifier(private val context: Context) {
-    /**
-     * Notification builder.
-     */
-    private val notification by lazy {
-        NotificationCompat.Builder(context, Notifications.CHANNEL_DOWNLOADER)
-                .setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+
+    private val preferences: PreferencesHelper by injectLazy()
+
+    private val progressNotificationBuilder by lazy {
+        context.notificationBuilder(Notifications.CHANNEL_DOWNLOADER_PROGRESS) {
+            setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        }
+    }
+
+    private val completeNotificationBuilder by lazy {
+        context.notificationBuilder(Notifications.CHANNEL_DOWNLOADER_COMPLETE) {
+            setAutoCancel(false)
+        }
+    }
+
+    private val errorNotificationBuilder by lazy {
+        context.notificationBuilder(Notifications.CHANNEL_DOWNLOADER_ERROR) {
+            setAutoCancel(false)
+        }
     }
 
     /**
@@ -32,27 +47,11 @@ internal class DownloadNotifier(private val context: Context) {
      */
     private var isDownloading = false
 
-    /**
-     * The size of queue on start download.
-     */
-    var initialQueueSize = 0
-        set(value) {
-            if (value != 0) {
-                isSingleChapter = (value == 1)
-            }
-            field = value
-        }
-
     /**
      * Updated when error is thrown
      */
     var errorThrown = false
 
-    /**
-     * Updated when only single page is downloaded
-     */
-    var isSingleChapter = false
-
     /**
      * Updated when paused
      */
@@ -63,24 +62,25 @@ internal class DownloadNotifier(private val context: Context) {
      *
      * @param id the id of the notification.
      */
-    private fun NotificationCompat.Builder.show(id: Int = Notifications.ID_DOWNLOAD_CHAPTER) {
+    private fun NotificationCompat.Builder.show(id: Int) {
         context.notificationManager.notify(id, build())
     }
 
     /**
      * Clear old actions if they exist.
      */
-    private fun clearActions() = with(notification) {
-        if (!mActions.isEmpty())
+    private fun NotificationCompat.Builder.clearActions() {
+        if (mActions.isNotEmpty()) {
             mActions.clear()
+        }
     }
 
     /**
      * Dismiss the downloader's notification. Downloader error notifications use a different id, so
      * those can only be dismissed by the user.
      */
-    fun dismiss() {
-        context.notificationManager.cancel(Notifications.ID_DOWNLOAD_CHAPTER)
+    fun dismissProgress() {
+        context.notificationManager.cancel(Notifications.ID_DOWNLOAD_CHAPTER_PROGRESS)
     }
 
     /**
@@ -89,8 +89,7 @@ internal class DownloadNotifier(private val context: Context) {
      * @param download download object containing download information.
      */
     fun onProgressChange(download: Download) {
-        // Create notification
-        with(notification) {
+        with(progressNotificationBuilder) {
             // Check if first call.
             if (!isDownloading) {
                 setSmallIcon(android.R.drawable.stat_sys_download)
@@ -100,84 +99,88 @@ internal class DownloadNotifier(private val context: Context) {
                 setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
                 isDownloading = true
                 // Pause action
-                addAction(R.drawable.ic_av_pause_grey_24dp_img,
-                        context.getString(R.string.action_pause),
-                        NotificationReceiver.pauseDownloadsPendingBroadcast(context))
+                addAction(
+                    R.drawable.ic_pause_24dp,
+                    context.getString(R.string.action_pause),
+                    NotificationReceiver.pauseDownloadsPendingBroadcast(context)
+                )
+            }
+
+            val downloadingProgressText = context.getString(
+                R.string.chapter_downloading_progress, download.downloadedImages, download.pages!!.size
+            )
+
+            if (preferences.hideNotificationContent()) {
+                setContentTitle(downloadingProgressText)
+            } else {
+                val title = download.manga.title.chop(15)
+                val quotedTitle = Pattern.quote(title)
+                val chapter = download.chapter.name.replaceFirst("$quotedTitle[\\s]*[-]*[\\s]*".toRegex(RegexOption.IGNORE_CASE), "")
+                setContentTitle("$title - $chapter".chop(30))
+                setContentText(downloadingProgressText)
             }
 
-            val title = download.manga.title.chop(15)
-            val quotedTitle = Pattern.quote(title)
-            val chapter = download.chapter.name.replaceFirst("$quotedTitle[\\s]*[-]*[\\s]*".toRegex(RegexOption.IGNORE_CASE), "")
-            setContentTitle("$title - $chapter".chop(30))
-            setContentText(context.getString(R.string.chapter_downloading_progress)
-                    .format(download.downloadedImages, download.pages!!.size))
             setProgress(download.pages!!.size, download.downloadedImages, false)
+
+            show(Notifications.ID_DOWNLOAD_CHAPTER_PROGRESS)
         }
-        // Displays the progress bar on notification
-        notification.show()
     }
 
     /**
      * Show notification when download is paused.
      */
-    fun onDownloadPaused() {
-        with(notification) {
+    fun onPaused() {
+        with(progressNotificationBuilder) {
             setContentTitle(context.getString(R.string.chapter_paused))
             setContentText(context.getString(R.string.download_notifier_download_paused))
-            setSmallIcon(R.drawable.ic_av_pause_grey_24dp_img)
+            setSmallIcon(R.drawable.ic_pause_24dp)
             setAutoCancel(false)
             setProgress(0, 0, false)
             clearActions()
             // Open download manager when clicked
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             // Resume action
-            addAction(R.drawable.ic_av_play_arrow_grey_img,
-                    context.getString(R.string.action_resume),
-                    NotificationReceiver.resumeDownloadsPendingBroadcast(context))
-            //Clear action
-            addAction(R.drawable.ic_clear_grey_24dp_img,
-                    context.getString(R.string.action_clear),
-                    NotificationReceiver.clearDownloadsPendingBroadcast(context))
-        }
+            addAction(
+                R.drawable.ic_play_arrow_24dp,
+                context.getString(R.string.action_resume),
+                NotificationReceiver.resumeDownloadsPendingBroadcast(context)
+            )
+            // Clear action
+            addAction(
+                R.drawable.ic_close_24dp,
+                context.getString(R.string.action_cancel_all),
+                NotificationReceiver.clearDownloadsPendingBroadcast(context)
+            )
 
-        // Show notification.
-        notification.show()
+            show(Notifications.ID_DOWNLOAD_CHAPTER_PROGRESS)
+        }
 
         // Reset initial values
         isDownloading = false
-        initialQueueSize = 0
     }
 
     /**
-     * Called when chapter is downloaded.
-     *
-     * @param download download object containing download information.
+     *  This function shows a notification to inform download tasks are done.
      */
-    fun onDownloadCompleted(download: Download, queue: DownloadQueue) {
-        // Check if last download
-        if (!queue.isEmpty()) {
-            return
-        }
-        // Create notification.
-        with(notification) {
-            val title = download.manga.title.chop(15)
-            val quotedTitle = Pattern.quote(title)
-            val chapter = download.chapter.name.replaceFirst("$quotedTitle[\\s]*[-]*[\\s]*".toRegex(RegexOption.IGNORE_CASE), "")
-            setContentTitle("$title - $chapter".chop(30))
-            setContentText(context.getString(R.string.update_check_notification_download_complete))
-            setSmallIcon(android.R.drawable.stat_sys_download_done)
-            setAutoCancel(true)
-            clearActions()
-            setContentIntent(NotificationReceiver.openChapterPendingBroadcast(context, download.manga, download.chapter))
-            setProgress(0, 0, false)
+    fun onComplete() {
+        if (!errorThrown) {
+            // Create notification
+            with(completeNotificationBuilder) {
+                setContentTitle(context.getString(R.string.download_notifier_downloader_title))
+                setContentText(context.getString(R.string.download_notifier_download_finish))
+                setSmallIcon(android.R.drawable.stat_sys_download_done)
+                clearActions()
+                setAutoCancel(true)
+                setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
+                setProgress(0, 0, false)
+
+                show(Notifications.ID_DOWNLOAD_CHAPTER_COMPLETE)
+            }
         }
 
-        // Show notification.
-        notification.show()
-
-        // Reset initial values
+        // Reset states to default
+        errorThrown = false
         isDownloading = false
-        initialQueueSize = 0
     }
 
     /**
@@ -186,7 +189,7 @@ internal class DownloadNotifier(private val context: Context) {
      * @param reason the text to show.
      */
     fun onWarning(reason: String) {
-        with(notification) {
+        with(errorNotificationBuilder) {
             setContentTitle(context.getString(R.string.download_notifier_downloader_title))
             setContentText(reason)
             setSmallIcon(android.R.drawable.stat_sys_warning)
@@ -194,8 +197,9 @@ internal class DownloadNotifier(private val context: Context) {
             clearActions()
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             setProgress(0, 0, false)
+
+            show(Notifications.ID_DOWNLOAD_CHAPTER_ERROR)
         }
-        notification.show()
 
         // Reset download information
         isDownloading = false
@@ -210,16 +214,20 @@ internal class DownloadNotifier(private val context: Context) {
      */
     fun onError(error: String? = null, chapter: String? = null) {
         // Create notification
-        with(notification) {
-            setContentTitle(chapter ?: context.getString(R.string.download_notifier_downloader_title))
-            setContentText(error ?: context.getString(R.string.download_notifier_unkown_error))
+        with(errorNotificationBuilder) {
+            setContentTitle(
+                chapter
+                    ?: context.getString(R.string.download_notifier_downloader_title)
+            )
+            setContentText(error ?: context.getString(R.string.download_notifier_unknown_error))
             setSmallIcon(android.R.drawable.stat_sys_warning)
             clearActions()
             setAutoCancel(false)
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             setProgress(0, 0, false)
+
+            show(Notifications.ID_DOWNLOAD_CHAPTER_ERROR)
         }
-        notification.show(Notifications.ID_DOWNLOAD_CHAPTER_ERROR)
 
         // Reset download information
         errorThrown = true

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadPendingDeleter.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
+import androidx.core.content.edit
 import com.github.salomonbrys.kotson.fromJson
 import com.google.gson.Gson
 import eu.kanade.tachiyomi.data.database.models.Chapter
@@ -22,7 +23,7 @@ class DownloadPendingDeleter(context: Context) {
     /**
      * Preferences used to store the list of chapters to delete.
      */
-    private val prefs = context.getSharedPreferences("chapters_to_delete", Context.MODE_PRIVATE)
+    private val preferences = context.getSharedPreferences("chapters_to_delete", Context.MODE_PRIVATE)
 
     /**
      * Last added chapter, used to avoid decoding from the preference too often.
@@ -49,7 +50,7 @@ class DownloadPendingDeleter(context: Context) {
             // Last entry matches the manga, reuse it to avoid decoding json from preferences
             lastEntry.copy(chapters = newChapters)
         } else {
-            val existingEntry = prefs.getString(manga.id!!.toString(), null)
+            val existingEntry = preferences.getString(manga.id!!.toString(), null)
             if (existingEntry != null) {
                 // Existing entry found on preferences, decode json and add the new chapter
                 val savedEntry = gson.fromJson<Entry>(existingEntry)
@@ -69,7 +70,9 @@ class DownloadPendingDeleter(context: Context) {
 
         // Save current state
         val json = gson.toJson(newEntry)
-        prefs.edit().putString(newEntry.manga.id.toString(), json).apply()
+        preferences.edit {
+            putString(newEntry.manga.id.toString(), json)
+        }
         lastAddedEntry = newEntry
     }
 
@@ -82,7 +85,9 @@ class DownloadPendingDeleter(context: Context) {
     @Synchronized
     fun getPendingChapters(): Map<Manga, List<Chapter>> {
         val entries = decodeAll()
-        prefs.edit().clear().apply()
+        preferences.edit {
+            clear()
+        }
         lastAddedEntry = null
 
         return entries.associate { entry ->
@@ -94,7 +99,7 @@ class DownloadPendingDeleter(context: Context) {
      * Decodes all the chapters from preferences.
      */
     private fun decodeAll(): List<Entry> {
-        return prefs.all.values.mapNotNull { rawEntry ->
+        return preferences.all.values.mapNotNull { rawEntry ->
             try {
                 (rawEntry as? String)?.let { gson.fromJson<Entry>(it) }
             } catch (e: Exception) {
@@ -120,27 +125,28 @@ class DownloadPendingDeleter(context: Context) {
      * Class used to save an entry of chapters with their manga into preferences.
      */
     private data class Entry(
-            val chapters: List<ChapterEntry>,
-            val manga: MangaEntry
+        val chapters: List<ChapterEntry>,
+        val manga: MangaEntry
     )
 
     /**
      * Class used to save an entry for a chapter into preferences.
      */
     private data class ChapterEntry(
-            val id: Long,
-            val url: String,
-            val name: String
+        val id: Long,
+        val url: String,
+        val name: String,
+        val scanlator: String?
     )
 
     /**
      * Class used to save an entry for a manga into preferences.
      */
     private data class MangaEntry(
-            val id: Long,
-            val url: String,
-            val title: String,
-            val source: Long
+        val id: Long,
+        val url: String,
+        val title: String,
+        val source: Long
     )
 
     /**
@@ -154,7 +160,7 @@ class DownloadPendingDeleter(context: Context) {
      * Returns a chapter entry from a chapter model.
      */
     private fun Chapter.toEntry(): ChapterEntry {
-        return ChapterEntry(id!!, url, name)
+        return ChapterEntry(id!!, url, name, scanlator)
     }
 
     /**
@@ -174,7 +180,7 @@ class DownloadPendingDeleter(context: Context) {
             it.id = id
             it.url = url
             it.name = name
+            it.scanlator = scanlator
         }
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt

@@ -1,14 +1,19 @@
 package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
-import android.net.Uri
+import androidx.core.net.toUri
 import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.source.Source
-import eu.kanade.tachiyomi.util.DiskUtil
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import uy.kohesive.injekt.injectLazy
 
 /**
@@ -19,22 +24,23 @@ import uy.kohesive.injekt.injectLazy
  */
 class DownloadProvider(private val context: Context) {
 
-    /**
-     * Preferences helper.
-     */
     private val preferences: PreferencesHelper by injectLazy()
 
+    private val scope = CoroutineScope(Job() + Dispatchers.Main)
+
     /**
      * The root directory for downloads.
      */
-    private var downloadsDir = preferences.downloadsDirectory().getOrDefault().let {
-        UniFile.fromUri(context, Uri.parse(it))
+    private var downloadsDir = preferences.downloadsDirectory().get().let {
+        val dir = UniFile.fromUri(context, it.toUri())
+        DiskUtil.createNoMediaFile(dir, context)
+        dir
     }
 
     init {
-        preferences.downloadsDirectory().asObservable()
-                .skip(1)
-                .subscribe { downloadsDir = UniFile.fromUri(context, Uri.parse(it)) }
+        preferences.downloadsDirectory().asFlow()
+            .onEach { downloadsDir = UniFile.fromUri(context, it.toUri()) }
+            .launchIn(scope)
     }
 
     /**
@@ -44,9 +50,13 @@ class DownloadProvider(private val context: Context) {
      * @param source the source of the manga.
      */
     internal fun getMangaDir(manga: Manga, source: Source): UniFile {
-        return downloadsDir
+        try {
+            return downloadsDir
                 .createDirectory(getSourceDirName(source))
                 .createDirectory(getMangaDirName(manga))
+        } catch (e: NullPointerException) {
+            throw Exception(context.getString(R.string.invalid_download_dir))
+        }
     }
 
     /**
@@ -78,7 +88,9 @@ class DownloadProvider(private val context: Context) {
      */
     fun findChapterDir(chapter: Chapter, manga: Manga, source: Source): UniFile? {
         val mangaDir = findMangaDir(manga, source)
-        return mangaDir?.findFile(getChapterDirName(chapter))
+        return getValidChapterDirNames(chapter).asSequence()
+            .mapNotNull { mangaDir?.findFile(it) }
+            .firstOrNull()
     }
 
     /**
@@ -90,7 +102,11 @@ class DownloadProvider(private val context: Context) {
      */
     fun findChapterDirs(chapters: List<Chapter>, manga: Manga, source: Source): List<UniFile> {
         val mangaDir = findMangaDir(manga, source) ?: return emptyList()
-        return chapters.mapNotNull { mangaDir.findFile(getChapterDirName(it)) }
+        return chapters.mapNotNull { chapter ->
+            getValidChapterDirNames(chapter).asSequence()
+                .mapNotNull { mangaDir.findFile(it) }
+                .firstOrNull()
+        }
     }
 
     /**
@@ -117,7 +133,25 @@ class DownloadProvider(private val context: Context) {
      * @param chapter the chapter to query.
      */
     fun getChapterDirName(chapter: Chapter): String {
-        return DiskUtil.buildValidFilename(chapter.name)
+        return DiskUtil.buildValidFilename(
+            when {
+                chapter.scanlator != null -> "${chapter.scanlator}_${chapter.name}"
+                else -> chapter.name
+            }
+        )
     }
 
+    /**
+     * Returns valid downloaded chapter directory names.
+     *
+     * @param chapter the chapter to query.
+     */
+    fun getValidChapterDirNames(chapter: Chapter): List<String> {
+        return listOf(
+            getChapterDirName(chapter),
+
+            // Legacy chapter directory name used in v0.9.2 and before
+            DiskUtil.buildValidFilename(chapter.name)
+        )
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -4,22 +4,23 @@ import android.app.Notification
 import android.app.Service
 import android.content.Context
 import android.content.Intent
+import android.net.ConnectivityManager
 import android.net.NetworkInfo.State.CONNECTED
 import android.net.NetworkInfo.State.DISCONNECTED
 import android.os.Build
 import android.os.IBinder
 import android.os.PowerManager
-import android.support.v4.app.NotificationCompat
 import com.github.pwittchen.reactivenetwork.library.Connectivity
 import com.github.pwittchen.reactivenetwork.library.ReactiveNetwork
 import com.jakewharton.rxrelay.BehaviorRelay
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.notification.Notifications
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.util.connectivityManager
-import eu.kanade.tachiyomi.util.plusAssign
-import eu.kanade.tachiyomi.util.powerManager
-import eu.kanade.tachiyomi.util.toast
+import eu.kanade.tachiyomi.util.lang.plusAssign
+import eu.kanade.tachiyomi.util.system.acquireWakeLock
+import eu.kanade.tachiyomi.util.system.connectivityManager
+import eu.kanade.tachiyomi.util.system.notification
+import eu.kanade.tachiyomi.util.system.toast
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
 import rx.subscriptions.CompositeSubscription
@@ -63,22 +64,14 @@ class DownloadService : Service() {
         }
     }
 
-    /**
-     * Download manager.
-     */
     private val downloadManager: DownloadManager by injectLazy()
 
-    /**
-     * Preferences helper.
-     */
     private val preferences: PreferencesHelper by injectLazy()
 
     /**
      * Wake lock to prevent the device to enter sleep mode.
      */
-    private val wakeLock by lazy {
-        powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DownloadService:WakeLock")
-    }
+    private lateinit var wakeLock: PowerManager.WakeLock
 
     /**
      * Subscriptions to store while the service is running.
@@ -90,7 +83,8 @@ class DownloadService : Service() {
      */
     override fun onCreate() {
         super.onCreate()
-        startForeground(Notifications.ID_DOWNLOAD_CHAPTER, getPlaceholderNotification())
+        startForeground(Notifications.ID_DOWNLOAD_CHAPTER_PROGRESS, getPlaceholderNotification())
+        wakeLock = acquireWakeLock(javaClass.name)
         runningRelay.call(true)
         subscriptions = CompositeSubscription()
         listenDownloaderState()
@@ -112,7 +106,7 @@ class DownloadService : Service() {
      * Not used.
      */
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        return Service.START_NOT_STICKY
+        return START_NOT_STICKY
     }
 
     /**
@@ -129,13 +123,17 @@ class DownloadService : Service() {
      */
     private fun listenNetworkChanges() {
         subscriptions += ReactiveNetwork.observeNetworkConnectivity(applicationContext)
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ state -> onNetworkStateChanged(state)
-                }, { _ ->
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe(
+                { state ->
+                    onNetworkStateChanged(state)
+                },
+                {
                     toast(R.string.download_queue_error)
                     stopSelf()
-                })
+                }
+            )
     }
 
     /**
@@ -146,7 +144,7 @@ class DownloadService : Service() {
     private fun onNetworkStateChanged(connectivity: Connectivity) {
         when (connectivity.state) {
             CONNECTED -> {
-                if (preferences.downloadOnlyOverWifi() && connectivityManager.isActiveNetworkMetered) {
+                if (preferences.downloadOnlyOverWifi() && connectivityManager.activeNetworkInfo?.type != ConnectivityManager.TYPE_WIFI) {
                     downloadManager.stopDownloads(getString(R.string.download_notifier_text_only_wifi))
                 } else {
                     val started = downloadManager.startDownloads()
@@ -156,7 +154,9 @@ class DownloadService : Service() {
             DISCONNECTED -> {
                 downloadManager.stopDownloads(getString(R.string.download_notifier_no_network))
             }
-            else -> { /* Do nothing */ }
+            else -> {
+                /* Do nothing */
+            }
         }
     }
 
@@ -165,31 +165,31 @@ class DownloadService : Service() {
      */
     private fun listenDownloaderState() {
         subscriptions += downloadManager.runningRelay.subscribe { running ->
-            if (running)
+            if (running) {
                 wakeLock.acquireIfNeeded()
-            else
+            } else {
                 wakeLock.releaseIfNeeded()
+            }
         }
     }
 
     /**
      * Releases the wake lock if it's held.
      */
-    fun PowerManager.WakeLock.releaseIfNeeded() {
+    private fun PowerManager.WakeLock.releaseIfNeeded() {
         if (isHeld) release()
     }
 
     /**
      * Acquires the wake lock if it's not held.
      */
-    fun PowerManager.WakeLock.acquireIfNeeded() {
+    private fun PowerManager.WakeLock.acquireIfNeeded() {
         if (!isHeld) acquire()
     }
 
     private fun getPlaceholderNotification(): Notification {
-        return NotificationCompat.Builder(this, Notifications.CHANNEL_DOWNLOADER)
-            .setContentTitle(getString(R.string.download_notifier_downloader_title))
-            .build()
+        return notification(Notifications.CHANNEL_DOWNLOADER_PROGRESS) {
+            setContentTitle(getString(R.string.download_notifier_downloader_title))
+        }
     }
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadStore.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
+import androidx.core.content.edit
 import com.google.gson.Gson
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Manga
@@ -15,8 +16,8 @@ import uy.kohesive.injekt.injectLazy
  * @param context the application context.
  */
 class DownloadStore(
-        context: Context,
-        private val sourceManager: SourceManager
+    context: Context,
+    private val sourceManager: SourceManager
 ) {
 
     /**
@@ -29,9 +30,6 @@ class DownloadStore(
      */
     private val gson: Gson by injectLazy()
 
-    /**
-     * Database helper.
-     */
     private val db: DatabaseHelper by injectLazy()
 
     /**
@@ -45,9 +43,9 @@ class DownloadStore(
      * @param downloads the list of downloads to add.
      */
     fun addAll(downloads: List<Download>) {
-        val editor = preferences.edit()
-        downloads.forEach { editor.putString(getKey(it), serialize(it)) }
-        editor.apply()
+        preferences.edit {
+            downloads.forEach { putString(getKey(it), serialize(it)) }
+        }
     }
 
     /**
@@ -56,14 +54,18 @@ class DownloadStore(
      * @param download the download to remove.
      */
     fun remove(download: Download) {
-        preferences.edit().remove(getKey(download)).apply()
+        preferences.edit {
+            remove(getKey(download))
+        }
     }
 
     /**
      * Removes all the downloads from the store.
      */
     fun clear() {
-        preferences.edit().clear().apply()
+        preferences.edit {
+            clear()
+        }
     }
 
     /**
@@ -80,9 +82,9 @@ class DownloadStore(
      */
     fun restore(): List<Download> {
         val objs = preferences.all
-                .mapNotNull { it.value as? String }
-                .mapNotNull { deserialize(it) }
-                .sortedBy { it.order }
+            .mapNotNull { it.value as? String }
+            .mapNotNull { deserialize(it) }
+            .sortedBy { it.order }
 
         val downloads = mutableListOf<Download>()
         if (objs.isNotEmpty()) {
@@ -133,5 +135,4 @@ class DownloadStore(
      * @param order the order of the download in the queue.
      */
     data class DownloadObject(val mangaId: Long, val chapterId: Long, val order: Int)
-
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -5,6 +5,8 @@ import android.webkit.MimeTypeMap
 import com.hippo.unifile.UniFile
 import com.jakewharton.rxrelay.BehaviorRelay
 import com.jakewharton.rxrelay.PublishRelay
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.cache.ChapterCache
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.model.Download
@@ -13,14 +15,22 @@ import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.fetchAllImageUrlsFromPageList
-import eu.kanade.tachiyomi.util.*
-import kotlinx.coroutines.experimental.async
+import eu.kanade.tachiyomi.util.lang.RetryWithDelay
+import eu.kanade.tachiyomi.util.lang.launchNow
+import eu.kanade.tachiyomi.util.lang.launchUI
+import eu.kanade.tachiyomi.util.lang.plusAssign
+import eu.kanade.tachiyomi.util.storage.DiskUtil
+import eu.kanade.tachiyomi.util.storage.saveTo
+import eu.kanade.tachiyomi.util.system.ImageUtil
+import java.io.File
+import kotlinx.coroutines.async
 import okhttp3.Response
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
 import rx.subscriptions.CompositeSubscription
 import timber.log.Timber
+import uy.kohesive.injekt.injectLazy
 
 /**
  * This class is the one in charge of downloading chapters.
@@ -37,12 +47,14 @@ import timber.log.Timber
  * @param sourceManager the source manager.
  */
 class Downloader(
-        private val context: Context,
-        private val provider: DownloadProvider,
-        private val cache: DownloadCache,
-        private val sourceManager: SourceManager
+    private val context: Context,
+    private val provider: DownloadProvider,
+    private val cache: DownloadCache,
+    private val sourceManager: SourceManager
 ) {
 
+    private val chapterCache: ChapterCache by injectLazy()
+
     /**
      * Store for persisting downloads across restarts.
      */
@@ -76,7 +88,9 @@ class Downloader(
     /**
      * Whether the downloader is running.
      */
-    @Volatile private var isRunning: Boolean = false
+    @Volatile
+    var isRunning: Boolean = false
+        private set
 
     init {
         launchNow {
@@ -92,17 +106,21 @@ class Downloader(
      * @return true if the downloader is started, false otherwise.
      */
     fun start(): Boolean {
-        if (isRunning || queue.isEmpty())
+        if (isRunning || queue.isEmpty()) {
             return false
+        }
 
-        if (!subscriptions.hasSubscriptions())
+        if (!subscriptions.hasSubscriptions()) {
             initializeSubscriptions()
+        }
 
         val pending = queue.filter { it.status != Download.DOWNLOADED }
         pending.forEach { if (it.status != Download.QUEUE) it.status = Download.QUEUE }
 
+        notifier.paused = false
+
         downloadsRelay.call(pending)
-        return !pending.isEmpty()
+        return pending.isNotEmpty()
     }
 
     /**
@@ -111,19 +129,18 @@ class Downloader(
     fun stop(reason: String? = null) {
         destroySubscriptions()
         queue
-                .filter { it.status == Download.DOWNLOADING }
-                .forEach { it.status = Download.ERROR }
+            .filter { it.status == Download.DOWNLOADING }
+            .forEach { it.status = Download.ERROR }
 
         if (reason != null) {
             notifier.onWarning(reason)
         } else {
             if (notifier.paused) {
                 notifier.paused = false
-                notifier.onDownloadPaused()
-            } else if (notifier.isSingleChapter && !notifier.errorThrown) {
-                notifier.isSingleChapter = false
+                notifier.onPaused()
             } else {
-                notifier.dismiss()
+                notifier.dismissProgress()
+                notifier.onComplete()
             }
         }
     }
@@ -134,8 +151,8 @@ class Downloader(
     fun pause() {
         destroySubscriptions()
         queue
-                .filter { it.status == Download.DOWNLOADING }
-                .forEach { it.status = Download.QUEUE }
+            .filter { it.status == Download.DOWNLOADING }
+            .forEach { it.status = Download.QUEUE }
         notifier.paused = true
     }
 
@@ -147,14 +164,14 @@ class Downloader(
     fun clearQueue(isNotification: Boolean = false) {
         destroySubscriptions()
 
-        //Needed to update the chapter view
+        // Needed to update the chapter view
         if (isNotification) {
             queue
-                    .filter { it.status == Download.QUEUE }
-                    .forEach { it.status = Download.NOT_DOWNLOADED }
+                .filter { it.status == Download.QUEUE }
+                .forEach { it.status = Download.NOT_DOWNLOADED }
         }
         queue.clear()
-        notifier.dismiss()
+        notifier.dismissProgress()
     }
 
     /**
@@ -168,15 +185,28 @@ class Downloader(
         subscriptions.clear()
 
         subscriptions += downloadsRelay.concatMapIterable { it }
-                .concatMap { downloadChapter(it).subscribeOn(Schedulers.io()) }
-                .onBackpressureBuffer()
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ completeDownload(it)
-                }, { error ->
+            // Concurrently download from 5 different sources
+            .groupBy { it.source }
+            .flatMap(
+                { bySource ->
+                    bySource.concatMap { download ->
+                        downloadChapter(download).subscribeOn(Schedulers.io())
+                    }
+                },
+                5
+            )
+            .onBackpressureLatest()
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe(
+                {
+                    completeDownload(it)
+                },
+                { error ->
                     DownloadService.stop(context)
                     Timber.e(error)
                     notifier.onError(error.message)
-                })
+                }
+            )
     }
 
     /**
@@ -199,40 +229,33 @@ class Downloader(
      */
     fun queueChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean) = launchUI {
         val source = sourceManager.get(manga.source) as? HttpSource ?: return@launchUI
-
+        val wasEmpty = queue.isEmpty()
         // Called in background thread, the operation can be slow with SAF.
         val chaptersWithoutDir = async {
-            val mangaDir = provider.findMangaDir(manga, source)
-
             chapters
-                    // Avoid downloading chapters with the same name.
-                    .distinctBy { it.name }
-                    // Filter out those already downloaded.
-                    .filter { mangaDir?.findFile(provider.getChapterDirName(it)) == null }
-                    // Add chapters to queue from the start.
-                    .sortedByDescending { it.source_order }
+                // Filter out those already downloaded.
+                .filter { provider.findChapterDir(it, manga, source) == null }
+                // Add chapters to queue from the start.
+                .sortedByDescending { it.source_order }
         }
 
         // Runs in main thread (synchronization needed).
         val chaptersToQueue = chaptersWithoutDir.await()
-                // Filter out those already enqueued.
-                .filter { chapter -> queue.none { it.chapter.id == chapter.id } }
-                // Create a download for each one.
-                .map { Download(source, manga, it) }
+            // Filter out those already enqueued.
+            .filter { chapter -> queue.none { it.chapter.id == chapter.id } }
+            // Create a download for each one.
+            .map { Download(source, manga, it) }
 
         if (chaptersToQueue.isNotEmpty()) {
             queue.addAll(chaptersToQueue)
 
-            // Initialize queue size.
-            notifier.initialQueueSize = queue.size
-
             if (isRunning) {
                 // Send the list of downloads to the downloader.
                 downloadsRelay.call(chaptersToQueue)
             }
 
             // Start downloader if needed
-            if (autoStart) {
+            if (autoStart && wasEmpty) {
                 DownloadService.start(this@Downloader.context)
             }
         }
@@ -244,51 +267,60 @@ 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)
-        val tmpDir = mangaDir.createDirectory("${chapterDirname}_tmp")
+
+        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) {
             // Pull page list from network and add them to download object
             download.source.fetchPageList(download.chapter)
-                    .doOnNext { pages ->
-                        if (pages.isEmpty()) {
-                            throw Exception("Page list is empty")
-                        }
-                        download.pages = pages
+                .doOnNext { pages ->
+                    if (pages.isEmpty()) {
+                        throw Exception(context.getString(R.string.page_list_empty_error))
                     }
+                    download.pages = pages
+                }
         } else {
             // Or if the page list already exists, start from the file
             Observable.just(download.pages!!)
         }
 
         pageListObservable
-                .doOnNext { _ ->
-                    // Delete all temporary (unfinished) files
-                    tmpDir.listFiles()
-                            ?.filter { it.name!!.endsWith(".tmp") }
-                            ?.forEach { it.delete() }
-
-                    download.downloadedImages = 0
-                    download.status = Download.DOWNLOADING
-                }
-                // Get all the URLs to the source images, fetch pages if necessary
-                .flatMap { download.source.fetchAllImageUrlsFromPageList(it) }
-                // Start downloading images, consider we can have downloaded images already
-                .concatMap { page -> getOrDownloadImage(page, download, tmpDir) }
-                // Do when page is downloaded.
-                .doOnNext { notifier.onProgressChange(download) }
-                .toList()
-                .map { _ -> download }
-                // Do after download completes
-                .doOnNext { ensureSuccessfulDownload(download, mangaDir, tmpDir, chapterDirname) }
-                // If the page list threw, it will resume here
-                .onErrorReturn { error ->
-                    download.status = Download.ERROR
-                    notifier.onError(error.message, download.chapter.name)
-                    download
-                }
+            .doOnNext { _ ->
+                // Delete all temporary (unfinished) files
+                tmpDir.listFiles()
+                    ?.filter { it.name!!.endsWith(".tmp") }
+                    ?.forEach { it.delete() }
 
+                download.downloadedImages = 0
+                download.status = Download.DOWNLOADING
+            }
+            // Get all the URLs to the source images, fetch pages if necessary
+            .flatMap { download.source.fetchAllImageUrlsFromPageList(it) }
+            // Start downloading images, consider we can have downloaded images already
+            // Concurrently do 5 pages at a time
+            .flatMap({ page -> getOrDownloadImage(page, download, tmpDir) }, 5)
+            .onBackpressureLatest()
+            // Do when page is downloaded.
+            .doOnNext { notifier.onProgressChange(download) }
+            .toList()
+            .map { download }
+            // Do after download completes
+            .doOnNext { ensureSuccessfulDownload(download, mangaDir, tmpDir, chapterDirname) }
+            // If the page list threw, it will resume here
+            .onErrorReturn { error ->
+                download.status = Download.ERROR
+                notifier.onError(error.message, download.chapter.name)
+                download
+            }
     }
 
     /**
@@ -301,8 +333,9 @@ class Downloader(
      */
     private fun getOrDownloadImage(page: Page, download: Download, tmpDir: UniFile): Observable<Page> {
         // If the image URL is empty, do nothing
-        if (page.imageUrl == null)
+        if (page.imageUrl == null) {
             return Observable.just(page)
+        }
 
         val filename = String.format("%03d", page.number)
         val tmpFile = tmpDir.findFile("$filename.tmp")
@@ -314,26 +347,27 @@ class Downloader(
         val imageFile = tmpDir.listFiles()!!.find { it.name!!.startsWith("$filename.") }
 
         // If the image is already downloaded, do nothing. Otherwise download from network
-        val pageObservable = if (imageFile != null)
-            Observable.just(imageFile)
-        else
-            downloadImage(page, download.source, tmpDir, filename)
+        val pageObservable = when {
+            imageFile != null -> Observable.just(imageFile)
+            chapterCache.isImageInCache(page.imageUrl!!) -> copyImageFromCache(chapterCache.getImageFile(page.imageUrl!!), tmpDir, filename)
+            else -> downloadImage(page, download.source, tmpDir, filename)
+        }
 
         return pageObservable
-                // When the image is ready, set image path, progress (just in case) and status
-                .doOnNext { file ->
-                    page.uri = file.uri
-                    page.progress = 100
-                    download.downloadedImages++
-                    page.status = Page.READY
-                }
-                .map { page }
-                // Mark this page as error and allow to download the remaining
-                .onErrorReturn {
-                    page.progress = 0
-                    page.status = Page.ERROR
-                    page
-                }
+            // When the image is ready, set image path, progress (just in case) and status
+            .doOnNext { file ->
+                page.uri = file.uri
+                page.progress = 100
+                download.downloadedImages++
+                page.status = Page.READY
+            }
+            .map { page }
+            // Mark this page as error and allow to download the remaining
+            .onErrorReturn {
+                page.progress = 0
+                page.status = Page.ERROR
+                page
+            }
     }
 
     /**
@@ -348,21 +382,43 @@ class Downloader(
         page.status = Page.DOWNLOAD_IMAGE
         page.progress = 0
         return source.fetchImage(page)
-                .map { response ->
-                    val file = tmpDir.createFile("$filename.tmp")
-                    try {
-                        response.body()!!.source().saveTo(file.openOutputStream())
-                        val extension = getImageExtension(response, file)
-                        file.renameTo("$filename.$extension")
-                    } catch (e: Exception) {
-                        response.close()
-                        file.delete()
-                        throw e
-                    }
-                    file
+            .map { response ->
+                val file = tmpDir.createFile("$filename.tmp")
+                try {
+                    response.body!!.source().saveTo(file.openOutputStream())
+                    val extension = getImageExtension(response, file)
+                    file.renameTo("$filename.$extension")
+                } catch (e: Exception) {
+                    response.close()
+                    file.delete()
+                    throw e
                 }
-                // Retry 3 times, waiting 2, 4 and 8 seconds between attempts.
-                .retryWhen(RetryWithDelay(3, { (2 shl it - 1) * 1000 }, Schedulers.trampoline()))
+                file
+            }
+            // Retry 3 times, waiting 2, 4 and 8 seconds between attempts.
+            .retryWhen(RetryWithDelay(3, { (2 shl it - 1) * 1000 }, Schedulers.trampoline()))
+    }
+
+    /**
+     * Return the observable which copies the image from cache.
+     *
+     * @param cacheFile the file from cache.
+     * @param tmpDir the temporary directory of the download.
+     * @param filename the filename of the image.
+     */
+    private fun copyImageFromCache(cacheFile: File, tmpDir: UniFile, filename: String): Observable<UniFile> {
+        return Observable.just(cacheFile).map {
+            val tmpFile = tmpDir.createFile("$filename.tmp")
+            cacheFile.inputStream().use { input ->
+                tmpFile.openOutputStream().use { output ->
+                    input.copyTo(output)
+                }
+            }
+            val extension = ImageUtil.findImageType(cacheFile.inputStream()) ?: return@map tmpFile
+            tmpFile.renameTo("$filename.${extension.extension}")
+            cacheFile.delete()
+            tmpFile
+        }
     }
 
     /**
@@ -374,7 +430,7 @@ class Downloader(
      */
     private fun getImageExtension(response: Response, file: UniFile): String {
         // Read content type if available.
-        val mime = response.body()?.contentType()?.let { ct -> "${ct.type()}/${ct.subtype()}" }
+        val mime = response.body?.contentType()?.let { ct -> "${ct.type}/${ct.subtype}" }
             // Else guess from the uri.
             ?: context.contentResolver.getType(file.uri)
             // Else read magic numbers.
@@ -391,9 +447,12 @@ class Downloader(
      * @param tmpDir the directory where the download is currently stored.
      * @param dirname the real (non temporary) directory name of the download.
      */
-    private fun ensureSuccessfulDownload(download: Download, mangaDir: UniFile,
-                                         tmpDir: UniFile, dirname: String) {
-
+    private fun ensureSuccessfulDownload(
+        download: Download,
+        mangaDir: UniFile,
+        tmpDir: UniFile,
+        dirname: String
+    ) {
         // Ensure that the chapter folder has all the images.
         val downloadedImages = tmpDir.listFiles().orEmpty().filterNot { it.name!!.endsWith(".tmp") }
 
@@ -407,6 +466,8 @@ class Downloader(
         if (download.status == Download.DOWNLOADED) {
             tmpDir.renameTo(dirname)
             cache.addChapter(dirname, mangaDir, download.manga)
+
+            DiskUtil.createNoMediaFile(tmpDir, context)
         }
     }
 
@@ -420,9 +481,6 @@ class Downloader(
             queue.remove(download)
         }
         if (areAllDownloadsFinished()) {
-            if (notifier.isSingleChapter && !notifier.errorThrown) {
-                notifier.onDownloadCompleted(download, queue)
-            }
             DownloadService.stop(context)
         }
     }
@@ -434,4 +492,10 @@ class Downloader(
         return queue.none { it.status <= Download.DOWNLOADING }
     }
 
+    companion object {
+        const val TMP_DIR_SUFFIX = "_tmp"
+
+        // Arbitrary minimum required space to start a download: 50 MB
+        const val MIN_DISK_SPACE = 50 * 1024 * 1024
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/download/model/Download.kt

@@ -10,28 +10,48 @@ class Download(val source: HttpSource, val manga: Manga, val chapter: Chapter) {
 
     var pages: List<Page>? = null
 
-    @Volatile @Transient var totalProgress: Int = 0
+    @Volatile
+    @Transient
+    var totalProgress: Int = 0
 
-    @Volatile @Transient var downloadedImages: Int = 0
+    @Volatile
+    @Transient
+    var downloadedImages: Int = 0
 
-    @Volatile @Transient var status: Int = 0
+    @Volatile
+    @Transient
+    var status: Int = 0
         set(status) {
             field = status
             statusSubject?.onNext(this)
+            statusCallback?.invoke(this)
         }
 
-    @Transient private var statusSubject: PublishSubject<Download>? = null
+    @Transient
+    private var statusSubject: PublishSubject<Download>? = null
+
+    @Transient
+    private var statusCallback: ((Download) -> Unit)? = null
+
+    val progress: Int
+        get() {
+            val pages = pages ?: return 0
+            return pages.map(Page::progress).average().toInt()
+        }
 
     fun setStatusSubject(subject: PublishSubject<Download>?) {
         statusSubject = subject
     }
 
-    companion object {
+    fun setStatusCallback(f: ((Download) -> Unit)?) {
+        statusCallback = f
+    }
 
+    companion object {
         const val NOT_DOWNLOADED = 0
         const val QUEUE = 1
         const val DOWNLOADING = 2
         const val DOWNLOADED = 3
         const val ERROR = 4
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/download/model/DownloadQueue.kt

@@ -5,14 +5,14 @@ import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.DownloadStore
 import eu.kanade.tachiyomi.source.model.Page
+import java.util.concurrent.CopyOnWriteArrayList
 import rx.Observable
 import rx.subjects.PublishSubject
-import java.util.concurrent.CopyOnWriteArrayList
 
 class DownloadQueue(
-        private val store: DownloadStore,
-        private val queue: MutableList<Download> = CopyOnWriteArrayList<Download>())
-: List<Download> by queue {
+    private val store: DownloadStore,
+    private val queue: MutableList<Download> = CopyOnWriteArrayList()
+) : List<Download> by queue {
 
     private val statusSubject = PublishSubject.create<Download>()
 
@@ -21,6 +21,7 @@ class DownloadQueue(
     fun addAll(downloads: List<Download>) {
         downloads.forEach { download ->
             download.setStatusSubject(statusSubject)
+            download.setStatusCallback(::setPagesFor)
             download.status = Download.QUEUE
         }
         queue.addAll(downloads)
@@ -32,6 +33,10 @@ class DownloadQueue(
         val removed = queue.remove(download)
         store.remove(download)
         download.setStatusSubject(null)
+        download.setStatusCallback(null)
+        if (download.status == Download.DOWNLOADING || download.status == Download.QUEUE) {
+            download.status = Download.NOT_DOWNLOADED
+        }
         if (removed) {
             updatedRelay.call(Unit)
         }
@@ -42,7 +47,9 @@ class DownloadQueue(
     }
 
     fun remove(chapters: List<Chapter>) {
-        for (chapter in chapters) { remove(chapter) }
+        for (chapter in chapters) {
+            remove(chapter)
+        }
     }
 
     fun remove(manga: Manga) {
@@ -52,6 +59,10 @@ class DownloadQueue(
     fun clear() {
         queue.forEach { download ->
             download.setStatusSubject(null)
+            download.setStatusCallback(null)
+            if (download.status == Download.DOWNLOADING || download.status == Download.QUEUE) {
+                download.status = Download.NOT_DOWNLOADED
+            }
         }
         queue.clear()
         store.clear()
@@ -64,35 +75,35 @@ class DownloadQueue(
     fun getStatusObservable(): Observable<Download> = statusSubject.onBackpressureBuffer()
 
     fun getUpdatedObservable(): Observable<List<Download>> = updatedRelay.onBackpressureBuffer()
-            .startWith(Unit)
-            .map { this }
+        .startWith(Unit)
+        .map { this }
 
-    fun getProgressObservable(): Observable<Download> {
-        return statusSubject.onBackpressureBuffer()
-                .startWith(getActiveDownloads())
-                .flatMap { download ->
-                    if (download.status == Download.DOWNLOADING) {
-                        val pageStatusSubject = PublishSubject.create<Int>()
-                        setPagesSubject(download.pages, pageStatusSubject)
-                        return@flatMap pageStatusSubject
-                                .onBackpressureBuffer()
-                                .filter { it == Page.READY }
-                                .map { download }
-
-                    } else if (download.status == Download.DOWNLOADED || download.status == Download.ERROR) {
-                        setPagesSubject(download.pages, null)
-                    }
-                    Observable.just(download)
-                }
-                .filter { it.status == Download.DOWNLOADING }
-    }
-
-    private fun setPagesSubject(pages: List<Page>?, subject: PublishSubject<Int>?) {
-        if (pages != null) {
-            for (page in pages) {
-                page.setStatusSubject(subject)
-            }
+    private fun setPagesFor(download: Download) {
+        if (download.status == Download.DOWNLOADED || download.status == Download.ERROR) {
+            setPagesSubject(download.pages, null)
         }
     }
 
+    fun getProgressObservable(): Observable<Download> {
+        return statusSubject.onBackpressureBuffer()
+            .startWith(getActiveDownloads())
+            .flatMap { download ->
+                if (download.status == Download.DOWNLOADING) {
+                    val pageStatusSubject = PublishSubject.create<Int>()
+                    setPagesSubject(download.pages, pageStatusSubject)
+                    return@flatMap pageStatusSubject
+                        .onBackpressureBuffer()
+                        .filter { it == Page.READY }
+                        .map { download }
+                } else if (download.status == Download.DOWNLOADED || download.status == Download.ERROR) {
+                    setPagesSubject(download.pages, null)
+                }
+                Observable.just(download)
+            }
+            .filter { it.status == Download.DOWNLOADING }
+    }
+
+    private fun setPagesSubject(pages: List<Page>?, subject: PublishSubject<Int>?) {
+        pages?.forEach { it.setStatusSubject(subject) }
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/glide/FileFetcher.kt

@@ -5,9 +5,14 @@ import android.util.Log
 import com.bumptech.glide.Priority
 import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.data.DataFetcher
-import java.io.*
+import java.io.File
+import java.io.FileInputStream
+import java.io.FileNotFoundException
+import java.io.IOException
+import java.io.InputStream
+import timber.log.Timber
 
-open class FileFetcher(private val file: File) : DataFetcher<InputStream> {
+open class FileFetcher(private val filePath: String = "") : DataFetcher<InputStream> {
 
     private var data: InputStream? = null
 
@@ -15,12 +20,16 @@ open class FileFetcher(private val file: File) : DataFetcher<InputStream> {
         loadFromFile(callback)
     }
 
-    protected fun loadFromFile(callback: DataFetcher.DataCallback<in InputStream>) {
+    private fun loadFromFile(callback: DataFetcher.DataCallback<in InputStream>) {
+        loadFromFile(File(filePath), callback)
+    }
+
+    protected fun loadFromFile(file: File, callback: DataFetcher.DataCallback<in InputStream>) {
         try {
             data = FileInputStream(file)
         } catch (e: FileNotFoundException) {
             if (Log.isLoggable(TAG, Log.DEBUG)) {
-                Log.d(TAG, "Failed to open file", e)
+                Timber.d(e, "Failed to open file")
             }
             callback.onLoadFailed(e)
             return
@@ -48,4 +57,4 @@ open class FileFetcher(private val file: File) : DataFetcher<InputStream> {
     override fun getDataSource(): DataSource {
         return DataSource.LOCAL
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/glide/LibraryMangaCustomCoverFetcher.kt

@@ -0,0 +1,25 @@
+package eu.kanade.tachiyomi.data.glide
+
+import com.bumptech.glide.Priority
+import com.bumptech.glide.load.data.DataFetcher
+import eu.kanade.tachiyomi.data.cache.CoverCache
+import eu.kanade.tachiyomi.data.database.models.Manga
+import java.io.File
+import java.io.InputStream
+import java.lang.Exception
+
+open class LibraryMangaCustomCoverFetcher(
+    private val manga: Manga,
+    private val coverCache: CoverCache
+) : FileFetcher() {
+
+    override fun loadData(priority: Priority, callback: DataFetcher.DataCallback<in InputStream>) {
+        getCustomCoverFile()?.let {
+            loadFromFile(it, callback)
+        } ?: callback.onLoadFailed(Exception("Custom cover file not found"))
+    }
+
+    protected fun getCustomCoverFile(): File? {
+        return coverCache.getCustomCoverFile(manga).takeIf { it.exists() }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/glide/LibraryMangaUrlFetcher.kt

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.data.glide
 
 import com.bumptech.glide.Priority
 import com.bumptech.glide.load.data.DataFetcher
+import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.models.Manga
 import java.io.File
 import java.io.FileNotFoundException
@@ -16,46 +17,60 @@ import java.io.InputStream
  * @param manga the manga of the cover to load.
  * @param file the file where this cover should be. It may exists or not.
  */
-class LibraryMangaUrlFetcher(private val networkFetcher: DataFetcher<InputStream>,
-                             private val manga: Manga,
-                             private val file: File)
-: FileFetcher(file) {
+class LibraryMangaUrlFetcher(
+    private val networkFetcher: DataFetcher<InputStream>,
+    private val manga: Manga,
+    private val coverCache: CoverCache
+) : LibraryMangaCustomCoverFetcher(manga, coverCache) {
 
     override fun loadData(priority: Priority, callback: DataFetcher.DataCallback<in InputStream>) {
-        if (!file.exists()) {
-            networkFetcher.loadData(priority, object : DataFetcher.DataCallback<InputStream> {
-                override fun onDataReady(data: InputStream?) {
-                    if (data != null) {
-                        val tmpFile = File(file.path + ".tmp")
-                        try {
-                            // Retrieve destination stream, create parent folders if needed.
-                            val output = try {
-                                tmpFile.outputStream()
-                            } catch (e: FileNotFoundException) {
-                                tmpFile.parentFile.mkdirs()
-                                tmpFile.outputStream()
-                            }
+        getCustomCoverFile()?.let {
+            loadFromFile(it, callback)
+            return
+        }
 
-                            // Copy the file and rename to the original.
-                            data.use { output.use { data.copyTo(output) } }
-                            tmpFile.renameTo(file)
-                            loadFromFile(callback)
-                        } catch (e: Exception) {
-                            tmpFile.delete()
-                            callback.onLoadFailed(e)
+        val cover = coverCache.getCoverFile(manga)
+        if (cover == null) {
+            callback.onLoadFailed(Exception("Null thumbnail url"))
+            return
+        }
+
+        if (!cover.exists()) {
+            networkFetcher.loadData(
+                priority,
+                object : DataFetcher.DataCallback<InputStream> {
+                    override fun onDataReady(data: InputStream?) {
+                        if (data != null) {
+                            val tmpFile = File(cover.path + ".tmp")
+                            try {
+                                // Retrieve destination stream, create parent folders if needed.
+                                val output = try {
+                                    tmpFile.outputStream()
+                                } catch (e: FileNotFoundException) {
+                                    tmpFile.parentFile!!.mkdirs()
+                                    tmpFile.outputStream()
+                                }
+
+                                // Copy the file and rename to the original.
+                                data.use { output.use { data.copyTo(output) } }
+                                tmpFile.renameTo(cover)
+                                loadFromFile(cover, callback)
+                            } catch (e: Exception) {
+                                tmpFile.delete()
+                                callback.onLoadFailed(e)
+                            }
+                        } else {
+                            callback.onLoadFailed(Exception("Null data"))
                         }
-                    } else {
-                        callback.onLoadFailed(Exception("Null data"))
+                    }
+
+                    override fun onLoadFailed(e: Exception) {
+                        callback.onLoadFailed(e)
                     }
                 }
-
-                override fun onLoadFailed(e: Exception) {
-                    callback.onLoadFailed(e)
-                }
-
-            })
+            )
         } else {
-            loadFromFile(callback)
+            loadFromFile(cover, callback)
         }
     }
 
@@ -68,5 +83,4 @@ class LibraryMangaUrlFetcher(private val networkFetcher: DataFetcher<InputStream
         super.cancel()
         networkFetcher.cancel()
     }
-
-}
+}