Release v0.7.2

* Enable TLS 1.1 and TLS 1.2 on Android KitKat (and older)

* enable SSLv3

* use extension function

.github/ISSUE_TEMPLATE.md

@@ -1 +1,13 @@
-**Please read https://github.com/inorichi/tachiyomi/blob/master/.github/CONTRIBUTING.md before posting**
+**Please fill out this form and remove the first two lines before posting.**
+**If your issue is a request for a catalogue it belongs here https://github.com/inorichi/tachiyomi-extensions/**
+**App version:**
+
+**Issue/Request:**
+
+**Steps to reproduce (if applicable)**
+
+ 1.
+ 2.
+ 3.
+
+**Other details:**

.travis.yml

@@ -1,41 +1,58 @@
 language: android
 android:
   components:
-    - platform-tools
-    - tools
-
-    # The BuildTools version used by your project
-    - build-tools-25.0.1
-    - android-25
-    - extra-android-m2repository
-    - extra-google-m2repository
-    - extra-android-support
-    - extra-google-google_play_services
-
+  - build-tools-27.0.3
+  - android-27
+  - extra-android-m2repository
+  - extra-google-m2repository
+  - extra-android-support
+  - extra-google-google_play_services
   licenses:
-    - android-sdk-license-.+
-    - '.+'
-
-jdk:
-  - oraclejdk8
-
-before_script:
-  - chmod +x gradlew
-
+  - android-sdk-license-.+
 before_install:
-  - mkdir "$ANDROID_HOME/licenses" || true
-  - echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
-  - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
-
-#Build, and run tests
-script: "./gradlew clean buildStandardDebug"
-sudo: false
-
+- yes | sdkmanager "platforms;android-27" # workaround for accepting the license
+- if [ "$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"
+script: ".travis/build.sh"
 before_cache:
-  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+- 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/.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
 env:
-  - GRADLE_OPTS="-XX:MaxPermSize=1024m -XX:+CMSClassUnloadingEnabled -XX:+HeapDumpOnOutOfMemoryError -Xmx2048m"
+  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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

.travis/build.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+git fetch --unshallow #required for commit count
+
+if [ -z "$TRAVIS_TAG" ]; then
+    ./gradlew clean assembleStandardDebug
+
+    COMMIT_COUNT=$(git rev-list --count HEAD)
+    export ARTIFACT="tachiyomi-r${COMMIT_COUNT}.apk"
+
+    mv app/build/outputs/apk/standard/debug/app-standard-debug.apk $ARTIFACT
+else
+    ./gradlew clean assembleStandardRelease
+
+    TOOLS="$(ls -d ${ANDROID_HOME}/build-tools/* | tail -1)"
+    export ARTIFACT="tachiyomi-${TRAVIS_TAG}.apk"
+
+    ${TOOLS}/zipalign -v -p 4 app/build/outputs/apk/standard/release/app-standard-release-unsigned.apk app-aligned.apk
+    ${TOOLS}/apksigner sign --ks $STORE_PATH --ks-key-alias $STORE_ALIAS --ks-pass env:STORE_PASS --key-pass env:KEY_PASS --out $ARTIFACT app-aligned.apk
+fi

.travis/deploy.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+pattern="tachiyomi-r*"
+files=( $pattern )
+export ARTIFACT="${files[0]}"
+
+if [ -z "$ARTIFACT" ]; then
+    echo "Artifact not found"
+    exit 1
+fi
+
+export SSHOPTIONS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ${DEPLOY_KEY}"
+
+scp $SSHOPTIONS $ARTIFACT $DEPLOY_USER@$DEPLOY_HOST:builds/
+ssh $SSHOPTIONS $DEPLOY_USER@$DEPLOY_HOST ln -sf $ARTIFACT builds/latest

README.md

@@ -1,25 +1,70 @@
 | Build | Download | F-Droid | Contribute | Contact |
 |-------|----------|---------|------------|---------|
-| [![TeamCity (simple build status)](https://img.shields.io/teamcity/https/teamcity.kanade.eu/s/tachiyomi_Build.svg)](https://teamcity.kanade.eu/project.html?projectId=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=stable)](https://github.com/inorichi/tachiyomi/releases) [![latest dev build](https://img.shields.io/badge/dev-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest/app-debug.apk) | [![fdroid release](https://img.shields.io/badge/stable-f--droid.org-blue.svg)](https://f-droid.org/repository/browse/?fdid=eu.kanade.tachiyomi) [![fdroid dev](https://img.shields.io/badge/dev-wiki-blue.svg)](//github.com/inorichi/tachiyomi/wiki/FDroid-for-dev-versions) | [![Translation status](http://weblate.j2ghz.com/widgets/tachiyomi/-/svg-badge.svg)](https://github.com/inorichi/tachiyomi/wiki/Translation) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/WrBkRk4) |
+| [![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=stable)](https://github.com/inorichi/tachiyomi/releases) [![latest dev build](https://img.shields.io/badge/dev-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest) | [![fdroid release](https://img.shields.io/badge/stable-f--droid.org-blue.svg)](https://f-droid.org/repository/browse/?fdid=eu.kanade.tachiyomi) [![fdroid dev](https://img.shields.io/badge/dev-wiki-blue.svg)](//github.com/inorichi/tachiyomi/wiki/FDroid-for-dev-versions) | [![Translation status](http://weblate.j2ghz.com/widgets/tachiyomi/-/svg-badge.svg)](https://github.com/inorichi/tachiyomi/wiki/Translation) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/2dDQBv2) |
 
-### **Contact us on [Discord](https://discord.gg/WrBkRk4)**
-If you want to open an issue, please read [contributing guidelines](https://github.com/inorichi/tachiyomi/blob/master/.github/CONTRIBUTING.md). Your issue may be closed otherwise.
-
-***
 
+# ![app icon](./.github/readme-images/app-icon.png)Tachiyomi
 Tachiyomi is a free and open source manga reader for Android.
 
-Keep in mind it's still a beta, so expect it to crash sometimes.
+![screenshots of app](./.github/readme-images/screens.png)
 
-# Features
+## Features
 
-* Online and offline reading
-* Configurable reader with multiple viewers and settings
-* MyAnimeList support
-* Resume from the next unread chapter
-* Chapter filtering
-* Schedule searching for updates
+Features include:
+* Online reading from sources such as KissManga, MangaFox, [and more](https://github.com/inorichi/tachiyomi-extensions)
+* Local reading of downloaded manga
+* Configurable reader with multiple viewers, reading directions and other settings
+* MyAnimeList, AniList, and Kitsu support
 * Categories to organize your library
+* Light and dark themes
+* Schedule updating your library for new chapters
+* Create backups locally or to your cloud service of choice
+
+## Download
+Get the app from our [releases page](https://github.com/inorichi/tachiyomi/releases) or from [f-droid](https://f-droid.org/packages/eu.kanade.tachiyomi/).
+
+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), or add our [F-Droid repo](https://github.com/inorichi/tachiyomi/wiki/FDroid-for-dev-versions).
+
+## Issues, Feature Requests and Contributing
+
+Please make sure to read the full guidelines. Your issue may be closed without warning if you do not.
+
+<details><summary>Issues</summary>
+
+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).**
+2. If you are unsure, ask here: [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/WrBkRk4)
+
+</details>
+
+<details><summary>Bugs</summary>
+
+* Include version (Setting > 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
+* 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)
+* For large logs use http://pastebin.com/ (or similar)
+* Don't group unrelated requests into one issue
+
+DO: https://github.com/inorichi/tachiyomi/issues/24 https://github.com/inorichi/tachiyomi/issues/71
+
+DON'T: https://github.com/inorichi/tachiyomi/issues/75
+
+</details>
+
+<details><summary>Feature Requests</summary>
+
+* Write a detailed issue, explaning 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.
+</details>
+
+## FAQ
+
+[See our wiki.](https://github.com/inorichi/tachiyomi/wiki/FAQ)
+You can also reach out to us on [Discord](https://discord.gg/WrBkRk4).
 
 ## License
 

app/build.gradle

@@ -3,10 +3,10 @@ import java.text.SimpleDateFormat
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
+apply plugin: 'com.github.zellius.shortcut-helper'
 
-if (file("custom.gradle").exists()) {
-    apply from: "custom.gradle"
-}
+shortcutHelper.filePath = './shortcuts.xml'
 
 ext {
     // Git is needed in your system PATH for these commands to work.
@@ -29,17 +29,17 @@ ext {
 }
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
     publishNonDefault true
 
     defaultConfig {
         applicationId "eu.kanade.tachiyomi"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 27
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-        versionCode 25
-        versionName "0.6.2"
+        versionCode 35
+        versionName "0.7.2"
 
         buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
         buildConfigField "String", "COMMIT_SHA", "\"${getGitSha()}\""
@@ -67,15 +67,20 @@ android {
         }
     }
 
+    flavorDimensions "default"
+
     productFlavors {
         standard {
             buildConfigField "boolean", "INCLUDE_UPDATER", "true"
+            dimension "default"
         }
         fdroid {
+            dimension "default"
         }
         dev {
             minSdkVersion 21
             resConfigs "en", "xxhdpi"
+            dimension "default"
         }
     }
 
@@ -97,127 +102,137 @@ android {
 dependencies {
 
     // Modified dependencies
-    compile 'com.github.inorichi:subsampling-scale-image-view:01e5385'
-    compile 'com.github.inorichi:tachimage:68cd311'
-    compile 'com.github.inorichi:junrar-android:634c1f5'
+    implementation 'com.github.inorichi:subsampling-scale-image-view:81b9d68'
+    implementation 'com.github.inorichi:junrar-android:634c1f5'
 
     // Android support library
-    final support_library_version = '25.4.0'
-    compile "com.android.support:support-v4:$support_library_version"
-    compile "com.android.support:appcompat-v7:$support_library_version"
-    compile "com.android.support:cardview-v7:$support_library_version"
-    compile "com.android.support:design:$support_library_version"
-    compile "com.android.support:recyclerview-v7:$support_library_version"
-    compile "com.android.support:support-annotations:$support_library_version"
-    compile "com.android.support:customtabs:$support_library_version"
+    final support_library_version = '27.0.2'
+    implementation "com.android.support:support-v4:$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"
 
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0-beta6'
 
-    compile 'com.android.support:multidex:1.0.1'
+    implementation 'com.android.support:multidex:1.0.2'
 
     // ReactiveX
-    compile 'io.reactivex:rxandroid:1.2.1'
-    compile 'io.reactivex:rxjava:1.3.0'
-    compile 'com.jakewharton.rxrelay:rxrelay:1.2.0'
-    compile 'com.f2prateek.rx.preferences:rx-preferences:1.0.2'
-    compile 'com.github.pwittchen:reactivenetwork:0.7.0'
+    implementation 'io.reactivex:rxandroid:1.2.1'
+    implementation 'io.reactivex:rxjava:1.3.6'
+    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'
 
     // Network client
-    compile "com.squareup.okhttp3:okhttp:3.8.1"
-    compile 'com.squareup.okio:okio:1.13.0'
+    implementation "com.squareup.okhttp3:okhttp:3.9.1"
+    implementation 'com.squareup.okio:okio:1.14.0'
 
     // REST
     final retrofit_version = '2.3.0'
-    compile "com.squareup.retrofit2:retrofit:$retrofit_version"
-    compile "com.squareup.retrofit2:converter-gson:$retrofit_version"
-    compile "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
+    implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
 
     // JSON
-    compile 'com.google.code.gson:gson:2.8.1'
-    compile 'com.github.salomonbrys.kotson:kotson:2.5.0'
-
-    // YAML
-    compile 'com.github.bmoliveira:snake-yaml:v1.18-android'
+    implementation 'com.google.code.gson:gson:2.8.2'
+    implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
 
     // JavaScript engine
-    compile 'com.squareup.duktape:duktape-android:1.1.0'
+    implementation 'com.squareup.duktape:duktape-android:1.2.0'
 
     // Disk
-    compile 'com.jakewharton:disklrucache:2.0.2'
-    compile 'com.github.seven332:unifile:1.0.0'
+    implementation 'com.jakewharton:disklrucache:2.0.2'
+    implementation 'com.github.inorichi:unifile:e9ee588'
 
     // HTML parser
-    compile 'org.jsoup:jsoup:1.10.2'
+    implementation 'org.jsoup:jsoup:1.10.2'
 
     // Job scheduling
-    compile 'com.evernote:android-job:1.1.11'
-    compile 'com.google.android.gms:play-services-gcm:11.0.1'
+    implementation 'com.evernote:android-job:1.2.4'
+    implementation 'com.google.android.gms:play-services-gcm:11.8.0'
 
     // Changelog
-    compile 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
+    implementation 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
 
     // Database
-    compile "com.pushtorefresh.storio:sqlite:1.13.0"
+    implementation "com.pushtorefresh.storio:sqlite:1.13.0"
 
     // Model View Presenter
     final nucleus_version = '3.0.0'
-    compile "info.android15.nucleus:nucleus:$nucleus_version"
-    compile "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
+    implementation "info.android15.nucleus:nucleus:$nucleus_version"
+    implementation "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
 
     // Dependency injection
-    compile "uy.kohesive.injekt:injekt-core:1.16.1"
+    implementation "com.github.inorichi.injekt:injekt-core:65b0440"
 
     // Image library
-    compile 'com.github.bumptech.glide:glide:3.8.0'
-    compile 'com.github.bumptech.glide:okhttp3-integration:1.5.0@aar'
+    final glide_version = '4.6.1'
+    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
-    compile 'jp.wasabeef:glide-transformations:2.0.2'
+    implementation 'jp.wasabeef:glide-transformations:3.1.1'
 
     // Logging
-    compile 'com.jakewharton.timber:timber:4.5.1'
+    implementation 'com.jakewharton.timber:timber:4.6.1'
 
     // Crash reports
-    compile 'ch.acra:acra:4.9.2'
+    implementation 'ch.acra:acra:4.9.2'
 
     // Sort
-    compile 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
+    implementation 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
 
     // UI
-    compile 'com.dmitrymalkovich.android:material-design-dimens:1.4'
-    compile 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
-    compile 'eu.davidea:flexible-adapter:5.0.0-rc1'
-    compile 'com.nononsenseapps:filepicker:2.5.2'
-    compile 'com.github.amulyakhare:TextDrawable:558677e'
-    compile 'com.afollestad.material-dialogs:core:0.9.4.5'
-    compile 'me.zhanghai.android.systemuihelper:library:1.0.0'
-    compile 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.0.4'
+    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 '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'
 
     // Conductor
-    compile "com.bluelinelabs:conductor:2.1.4"
-    compile 'com.github.inorichi:conductor-support-preference:9e36460'
+    implementation "com.github.inorichi.Conductor:conductor:05c4d4d"
+    implementation ("com.bluelinelabs:conductor-support:2.1.5-SNAPSHOT") {
+        exclude group: "com.bluelinelabs", module: "conductor"
+    }
+    implementation 'com.github.inorichi:conductor-support-preference:27.0.2'
 
     // RxBindings
     final rxbindings_version = '1.0.1'
-    compile "com.jakewharton.rxbinding:rxbinding-kotlin:$rxbindings_version"
-    compile "com.jakewharton.rxbinding:rxbinding-appcompat-v7-kotlin:$rxbindings_version"
-    compile "com.jakewharton.rxbinding:rxbinding-support-v4-kotlin:$rxbindings_version"
-    compile "com.jakewharton.rxbinding:rxbinding-recyclerview-v7-kotlin:$rxbindings_version"
+    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"
 
     // Tests
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.assertj:assertj-core:1.7.1'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.assertj:assertj-core:1.7.1'
+    testImplementation 'org.mockito:mockito-core:1.10.19'
 
     final robolectric_version = '3.1.4'
-    testCompile "org.robolectric:robolectric:$robolectric_version"
-    testCompile "org.robolectric:shadows-multidex:$robolectric_version"
-    testCompile "org.robolectric:shadows-play-services:$robolectric_version"
+    testImplementation "org.robolectric:robolectric:$robolectric_version"
+    testImplementation "org.robolectric:shadows-multidex:$robolectric_version"
+    testImplementation "org.robolectric:shadows-play-services:$robolectric_version"
 
-    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    final coroutines_version = '0.22.2'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 }
 
 buildscript {
-    ext.kotlin_version = '1.1.4'
+    ext.kotlin_version = '1.2.30'
     repositories {
         mavenCentral()
     }
@@ -230,49 +245,12 @@ repositories {
     mavenCentral()
 }
 
-// Workaround to force a support lib version
-configurations.all {
-    resolutionStrategy.eachDependency { details ->
-        def requested = details.requested
-        if (requested.group == 'com.android.support') {
-            if (!requested.name.startsWith("multidex")) {
-                details.useVersion '25.4.0'
-            }
-        }
+kotlin {
+    experimental {
+        coroutines 'enable'
     }
 }
 
-// add support for placeholders in resource files
-//https://code.google.com/p/android/issues/detail?id=69224
-def replacePlaceholdersInFile(basePath, fileName, placeholders) {
-    def file = new File(basePath, fileName);
-
-    if (!file.exists()) {
-        logger.quiet("Unable to replace placeholders in " + file.toString() + ". File cannot be found.")
-        return;
-    }
-
-    logger.debug("Replacing placeholders in " + file.toString())
-    logger.debug("Placeholders: " + placeholders.toString())
-
-    def content = file.getText('UTF-8')
-
-    placeholders.each { entry ->
-        content = content.replaceAll("\\\$\\{${entry.key}\\}", entry.value)
-    }
-
-    file.write(content, 'UTF-8')
+androidExtensions {
+    experimental = true
 }
-
-afterEvaluate {
-    android.applicationVariants.all { variant ->
-        variant.outputs.each { output ->
-            output.processResources.doFirst {
-                // prepare placeholder map from manifestPlaceholders including applicationId placeholder
-                def placeholders = variant.mergedFlavor.manifestPlaceholders + [applicationId: variant.applicationId]
-
-                replacePlaceholdersInFile(resDir, 'xml-v25/shortcuts.xml', placeholders)
-            }
-        }
-    }
-}

app/proguard-rules.pro

@@ -6,6 +6,7 @@
 
 -keep class com.hippo.image.** { *; }
 -keep interface com.hippo.image.** { *; }
+-dontwarn nucleus.view.NucleusActionBarActivity
 
 # Extensions may require methods unused in the core app
 -keep class org.jsoup.** { *; }
@@ -23,6 +24,7 @@
 # Glide specific rules #
 # https://github.com/bumptech/glide
 -keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public class * extends com.bumptech.glide.AppGlideModule
 -keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
     **[] $VALUES;
     public *;

app/shortcuts.xml

@@ -9,8 +9,7 @@
         android:shortcutShortLabel="@string/label_library">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_LIBRARY"
-            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity"
-            android:targetPackage="${applicationId}" />
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
     </shortcut>
     <shortcut
         android:enabled="true"
@@ -21,8 +20,7 @@
         android:shortcutShortLabel="@string/short_recent_updates">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_UPDATED"
-            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity"
-            android:targetPackage="${applicationId}" />
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
     </shortcut>
     <shortcut
         android:enabled="true"
@@ -33,8 +31,7 @@
         android:shortcutShortLabel="@string/label_recent_manga">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_READ"
-            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity"
-            android:targetPackage="${applicationId}" />
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
     </shortcut>
     <shortcut
         android:enabled="true"
@@ -45,7 +42,6 @@
         android:shortcutShortLabel="@string/label_catalogues">
         <intent
             android:action="eu.kanade.tachiyomi.SHOW_CATALOGUES"
-            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity"
-            android:targetPackage="${applicationId}" />
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
     </shortcut>
 </shortcuts>

app/src/debug/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="108.0"
+        android:viewportHeight="108.0">
+    <path
+        android:pathData="M14.5,7L86.5,7A7,7 0,0 1,93.5 14L93.5,95A7,7 0,0 1,86.5 102L14.5,102A7,7 0,0 1,7.5 95L7.5,14A7,7 0,0 1,14.5 7z"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+    <path
+        android:pathData="M14.5,7L86.5,7A7,7 0,0 1,93.5 14L93.5,95A7,7 0,0 1,86.5 102L14.5,102A7,7 0,0 1,7.5 95L7.5,14A7,7 0,0 1,14.5 7z"
+        android:fillType="evenOdd"
+        android:fillColor="#455A64"/>
+    <path
+        android:pathData="M7.5,12.01C7.5,9.24 9.74,7 12.5,7L17.5,7L17.5,102L12.5,102C9.74,102 7.5,99.77 7.5,96.99L7.5,12.01Z"
+        android:fillType="evenOdd"
+        android:fillColor="#607D8B"/>
+    <path
+        android:pathData="M54,54.5m-25.5,0a25.5,25.5 0,1 1,51 0a25.5,25.5 0,1 1,-51 0"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+    <path
+        android:pathData="M54,54.5m-25.5,0a25.5,25.5 0,1 1,51 0a25.5,25.5 0,1 1,-51 0"
+        android:fillType="evenOdd"
+        android:fillColor="#CE2828"/>
+    <path
+        android:pathData="M54,54.5m-19.94,0a19.94,19.94 0,1 1,39.87 0a19.94,19.94 0,1 1,-39.87 0"
+        android:fillType="evenOdd"
+        android:fillColor="#FFF"/>
+    <path
+        android:pathData="M52.04,46.3L47.42,46.3C46.14,46.3 44.93,46.23 44.2,46.14L44.2,49.76C45,49.65 46.16,49.6 47.42,49.6L60.58,49.6C61.86,49.6 63.02,49.65 63.82,49.76L63.82,46.14C63.09,46.23 61.86,46.3 60.58,46.3L55.69,46.3L55.69,45.07C55.69,44.43 55.73,43.95 55.82,43.45L51.9,43.45C51.99,44 52.04,44.43 52.04,45.07L52.04,46.3ZM46.78,60.68C45.46,60.68 44.29,60.63 43.45,60.52L43.45,64.14C44.34,64.03 45.46,63.98 46.78,63.98L61.29,63.98C62.57,63.98 63.71,64.03 64.57,64.14L64.57,60.52C63.73,60.63 62.57,60.68 61.29,60.68L58.24,60.68C59.33,58.06 59.99,56.23 60.7,53.91C61.34,51.81 61.34,51.81 61.56,51.13L57.58,50.06C57.51,50.93 57.37,51.52 56.89,53.41C56.19,56.14 55.32,58.74 54.5,60.68L46.78,60.68ZM46.48,51.36C47.55,54.02 48.28,56.53 49.03,60.15L52.66,58.9C51.65,54.98 50.92,52.66 49.94,50.11L46.48,51.36Z"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+</vector>

app/src/debug/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/debug/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
     <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_INSTALL_PACKAGES" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
 
     <application
@@ -24,11 +25,11 @@
             android:launchMode="singleTop">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
-            <meta-data android:name="android.app.shortcuts"
-                android:resource="@xml/shortcuts"/>
+
+            <!--suppress AndroidDomInspection -->
+            <meta-data android:name="android.app.shortcuts" android:resource="@xml/shortcuts"/>
         </activity>
         <activity
             android:name=".ui.reader.ReaderActivity"
@@ -51,6 +52,9 @@
                     android:scheme="tachiyomi" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".extension.util.ExtensionInstallActivity"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar"/>
 
         <provider
             android:name="android.support.v4.content.FileProvider"
@@ -85,7 +89,7 @@
             android:exported="false" />
 
         <service
-            android:name=".data.updater.UpdateDownloaderService"
+            android:name=".data.updater.UpdaterService"
             android:exported="false" />
 
         <service
@@ -96,10 +100,6 @@
             android:name=".data.backup.BackupRestoreService"
             android:exported="false"/>
 
-        <meta-data
-            android:name="eu.kanade.tachiyomi.data.glide.AppGlideModule"
-            android:value="GlideModule" />
-
     </application>
 
 </manifest>

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

@@ -7,7 +7,8 @@ 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 eu.kanade.tachiyomi.data.updater.UpdateCheckerJob
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.updater.UpdaterJob
 import eu.kanade.tachiyomi.util.LocaleHelper
 import org.acra.ACRA
 import org.acra.annotation.ReportsCrashes
@@ -27,13 +28,14 @@ open class App : Application() {
 
     override fun onCreate() {
         super.onCreate()
+        if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
+
         Injekt = InjektScope(DefaultRegistrar())
         Injekt.importModule(AppModule(this))
 
-        if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
-
         setupAcra()
         setupJobManager()
+        setupNotificationChannels()
 
         LocaleHelper.updateConfiguration(this, resources.configuration)
     }
@@ -58,11 +60,15 @@ open class App : Application() {
         JobManager.create(this).addJobCreator { tag ->
             when (tag) {
                 LibraryUpdateJob.TAG -> LibraryUpdateJob()
-                UpdateCheckerJob.TAG -> UpdateCheckerJob()
+                UpdaterJob.TAG -> UpdaterJob()
                 BackupCreatorJob.TAG -> BackupCreatorJob()
                 else -> null
             }
         }
     }
 
+    protected open fun setupNotificationChannels() {
+        Notifications.createChannels(this)
+    }
+
 }

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

@@ -8,34 +8,55 @@ import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 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 uy.kohesive.injekt.api.InjektModule
-import uy.kohesive.injekt.api.InjektRegistrar
-import uy.kohesive.injekt.api.addSingletonFactory
+import rx.Observable
+import rx.schedulers.Schedulers
+import uy.kohesive.injekt.api.*
 
 class AppModule(val app: Application) : InjektModule {
 
     override fun InjektRegistrar.registerInjectables() {
 
-            addSingletonFactory { PreferencesHelper(app) }
+        addSingleton(app)
 
-            addSingletonFactory { DatabaseHelper(app) }
+        addSingletonFactory { PreferencesHelper(app) }
 
-            addSingletonFactory { ChapterCache(app) }
+        addSingletonFactory { DatabaseHelper(app) }
 
-            addSingletonFactory { CoverCache(app) }
+        addSingletonFactory { ChapterCache(app) }
 
-            addSingletonFactory { NetworkHelper(app) }
+        addSingletonFactory { CoverCache(app) }
 
-            addSingletonFactory { SourceManager(app) }
+        addSingletonFactory { NetworkHelper(app) }
 
-            addSingletonFactory { DownloadManager(app) }
+        addSingletonFactory { SourceManager(app).also { get<ExtensionManager>().init(it) } }
 
-            addSingletonFactory { TrackManager(app) }
+        addSingletonFactory { ExtensionManager(app) }
 
-            addSingletonFactory { Gson() }
+        addSingletonFactory { DownloadManager(app) }
+
+        addSingletonFactory { TrackManager(app) }
+
+        addSingletonFactory { Gson() }
+
+        // Asynchronously init expensive components for a faster cold start
+
+        rxAsync { get<PreferencesHelper>() }
+
+        rxAsync { get<NetworkHelper>() }
+
+        rxAsync { get<SourceManager>() }
+
+        rxAsync { get<DatabaseHelper>() }
+
+        rxAsync { get<DownloadManager>() }
 
     }
 
-}
+    private fun rxAsync(block: () -> Unit) {
+        Observable.fromCallable { block() }.subscribeOn(Schedulers.computation()).subscribe()
+    }
+
+}

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

@@ -1,10 +0,0 @@
-package eu.kanade.tachiyomi
-
-object Constants {
-    const val NOTIFICATION_LIBRARY_PROGRESS_ID = 1
-    const val NOTIFICATION_LIBRARY_RESULT_ID = 2
-    const val NOTIFICATION_UPDATER_ID = 3
-    const val NOTIFICATION_DOWNLOAD_CHAPTER_ID = 4
-    const val NOTIFICATION_DOWNLOAD_CHAPTER_ERROR_ID = 5
-    const val NOTIFICATION_DOWNLOAD_IMAGE_ID = 6
-}

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

@@ -3,7 +3,7 @@ package eu.kanade.tachiyomi
 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.UpdateCheckerJob
+import eu.kanade.tachiyomi.data.updater.UpdaterJob
 import java.io.File
 
 object Migrations {
@@ -25,7 +25,7 @@ object Migrations {
             if (oldVersion < 14) {
                 // Restore jobs after upgrading to evernote's job scheduler.
                 if (BuildConfig.INCLUDE_UPDATER && preferences.automaticUpdates()) {
-                    UpdateCheckerJob.setupTask()
+                    UpdaterJob.setupTask()
                 }
                 LibraryUpdateJob.setupTask()
             }
@@ -45,6 +45,16 @@ object Migrations {
                     }
                 }
             }
+            if (oldVersion < 26) {
+                // Delete external chapter cache dir.
+                val extCache = context.externalCacheDir
+                if (extCache != null) {
+                    val chapterCache = File(extCache, "chapter_disk_cache")
+                    if (chapterCache.exists()) {
+                        chapterCache.deleteRecursively()
+                    }
+                }
+            }
             return true
         }
         return false

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

@@ -4,17 +4,8 @@ import android.app.IntentService
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import com.github.salomonbrys.kotson.set
 import com.google.gson.JsonArray
-import com.google.gson.JsonObject
-import com.hippo.unifile.UniFile
-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.MANGAS
-import eu.kanade.tachiyomi.data.backup.models.Backup.VERSION
 import eu.kanade.tachiyomi.data.database.models.Manga
-import eu.kanade.tachiyomi.util.sendLocalBroadcast
-import timber.log.Timber
 import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
 /**
@@ -26,8 +17,6 @@ class BackupCreateService : IntentService(NAME) {
         // Name of class
         private const val NAME = "BackupCreateService"
 
-        // Backup called from job
-        private const val EXTRA_IS_JOB = "$ID.$NAME.EXTRA_IS_JOB"
         // Options for backup
         private const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
 
@@ -46,14 +35,12 @@ class BackupCreateService : IntentService(NAME) {
          * Make a backup from library
          *
          * @param context context of application
-         * @param path path of Uri
+         * @param uri path of Uri
          * @param flags determines what to backup
-         * @param isJob backup called from job
          */
-        fun makeBackup(context: Context, uri: Uri, flags: Int, isJob: Boolean = false) {
+        fun makeBackup(context: Context, uri: Uri, flags: Int) {
             val intent = Intent(context, BackupCreateService::class.java).apply {
                 putExtra(BackupConst.EXTRA_URI, uri)
-                putExtra(EXTRA_IS_JOB, isJob)
                 putExtra(EXTRA_FLAGS, flags)
             }
             context.startService(intent)
@@ -68,97 +55,9 @@ class BackupCreateService : IntentService(NAME) {
 
         // Get values
         val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
-        val isJob = intent.getBooleanExtra(EXTRA_IS_JOB, false)
         val flags = intent.getIntExtra(EXTRA_FLAGS, 0)
         // Create backup
-        createBackupFromApp(uri, flags, isJob)
+        backupManager.createBackup(uri, flags, false)
     }
 
-    /**
-     * Create backup Json file from database
-     *
-     * @param uri path of Uri
-     * @param isJob backup called from job
-     */
-    fun createBackupFromApp(uri: Uri, flags: Int, isJob: Boolean) {
-        // Create root object
-        val root = JsonObject()
-
-        // Create information object
-        val information = JsonObject()
-
-        // Create manga array
-        val mangaEntries = JsonArray()
-
-        // Create category array
-        val categoryEntries = JsonArray()
-
-        // Add value's to root
-        root[VERSION] = Backup.CURRENT_VERSION
-        root[MANGAS] = mangaEntries
-        root[CATEGORIES] = categoryEntries
-
-        backupManager.databaseHelper.inTransaction {
-            // Get manga from database
-            val mangas = backupManager.getFavoriteManga()
-
-            // Backup library manga and its dependencies
-            mangas.forEach { manga ->
-                mangaEntries.add(backupManager.backupMangaObject(manga, flags))
-            }
-
-            // Backup categories
-            if ((flags and BACKUP_CATEGORY_MASK) == BACKUP_CATEGORY) {
-                backupManager.backupCategories(categoryEntries)
-            }
-        }
-
-        try {
-            // When BackupCreatorJob
-            if (isJob) {
-                // Get dir of file
-                val dir = UniFile.fromUri(this, uri)
-
-                // Delete older backups
-                val numberOfBackups = backupManager.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() }
-
-                // Create new file to place backup
-                val newFile = dir.createFile(Backup.getDefaultFilename())
-                        ?: throw Exception("Couldn't create backup file")
-
-                newFile.openOutputStream().bufferedWriter().use {
-                    backupManager.parser.toJson(root, it)
-                }
-            } else {
-                val file = UniFile.fromUri(this, uri)
-                        ?: throw Exception("Couldn't create backup file")
-                file.openOutputStream().bufferedWriter().use {
-                    backupManager.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())
-                }
-                sendLocalBroadcast(intent)
-            }
-        } 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)
-                }
-                sendLocalBroadcast(intent)
-            }
-        }
-    }
-}
+}

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

@@ -8,15 +8,15 @@ import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import java.io.File
 
 class BackupCreatorJob : Job() {
 
     override fun onRunJob(params: Params): Result {
         val preferences = Injekt.get<PreferencesHelper>()
-        val uri = Uri.fromFile(File(preferences.backupsDirectory().getOrDefault()))
+        val backupManager = BackupManager(context)
+        val uri = Uri.parse(preferences.backupsDirectory().getOrDefault())
         val flags = BackupCreateService.BACKUP_ALL
-        BackupCreateService.makeBackup(context, uri, flags, true)
+        backupManager.createBackup(uri, flags, true)
         return Result.SUCCESS
     }
 
@@ -29,7 +29,6 @@ class BackupCreatorJob : Job() {
             if (interval > 0) {
                 JobRequest.Builder(TAG)
                         .setPeriodic(interval * 60 * 60 * 1000L, 10 * 60 * 1000)
-                        .setPersisted(true)
                         .setUpdateCurrent(true)
                         .build()
                         .schedule()
@@ -40,4 +39,4 @@ class BackupCreatorJob : Job() {
             JobManager.instance().cancelAllForTag(TAG)
         }
     }
-}
+}

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

@@ -1,8 +1,11 @@
 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.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY_MASK
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CHAPTER
@@ -11,6 +14,7 @@ import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HIST
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY_MASK
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK_MASK
+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
@@ -23,10 +27,13 @@ import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.*
 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.Source
 import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.util.sendLocalBroadcast
 import eu.kanade.tachiyomi.util.syncChaptersWithSource
 import rx.Observable
+import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
 
 class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
@@ -41,6 +48,11 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      */
     internal val sourceManager: SourceManager by injectLazy()
 
+    /**
+     * Tracking manager
+     */
+    internal val trackManager: TrackManager by injectLazy()
+
     /**
      * Version of parser
      */
@@ -67,17 +79,101 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         parser = initParser()
     }
 
-    private fun initParser(): Gson {
-        return when (version) {
-            1 -> GsonBuilder().create()
-            2 -> GsonBuilder()
-                    .registerTypeAdapter<MangaImpl>(MangaTypeAdapter.build())
-                    .registerTypeHierarchyAdapter<ChapterImpl>(ChapterTypeAdapter.build())
-                    .registerTypeAdapter<CategoryImpl>(CategoryTypeAdapter.build())
-                    .registerTypeAdapter<DHistory>(HistoryTypeAdapter.build())
-                    .registerTypeHierarchyAdapter<TrackImpl>(TrackTypeAdapter.build())
-                    .create()
-            else -> throw Exception("Json version unknown")
+    private fun initParser(): Gson = when (version) {
+        1 -> GsonBuilder().create()
+        2 -> GsonBuilder()
+                .registerTypeAdapter<MangaImpl>(MangaTypeAdapter.build())
+                .registerTypeHierarchyAdapter<ChapterImpl>(ChapterTypeAdapter.build())
+                .registerTypeAdapter<CategoryImpl>(CategoryTypeAdapter.build())
+                .registerTypeAdapter<DHistory>(HistoryTypeAdapter.build())
+                .registerTypeHierarchyAdapter<TrackImpl>(TrackTypeAdapter.build())
+                .create()
+        else -> throw Exception("Json version unknown")
+    }
+
+    /**
+     * Create backup Json file from database
+     *
+     * @param uri path of Uri
+     * @param isJob backup called from job
+     */
+    fun createBackup(uri: Uri, flags: Int, isJob: Boolean) {
+        // Create root object
+        val root = JsonObject()
+
+        // Create manga array
+        val mangaEntries = JsonArray()
+
+        // Create category array
+        val categoryEntries = JsonArray()
+
+        // Add value's to root
+        root[Backup.VERSION] = Backup.CURRENT_VERSION
+        root[Backup.MANGAS] = mangaEntries
+        root[CATEGORIES] = categoryEntries
+
+        databaseHelper.inTransaction {
+            // Get manga from database
+            val mangas = getFavoriteManga()
+
+            // Backup library manga and its dependencies
+            mangas.forEach { manga ->
+                mangaEntries.add(backupMangaObject(manga, flags))
+            }
+
+            // Backup categories
+            if ((flags and BACKUP_CATEGORY_MASK) == BACKUP_CATEGORY) {
+                backupCategories(categoryEntries)
+            }
+        }
+
+        try {
+            // When BackupCreatorJob
+            if (isJob) {
+                // Get dir of file and create
+                var dir = UniFile.fromUri(context, uri)
+                dir = dir.createDirectory("automatic")
+
+                // Delete older backups
+                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() }
+
+                // Create new file to place backup
+                val newFile = dir.createFile(Backup.getDefaultFilename())
+                        ?: throw Exception("Couldn't create backup file")
+
+                newFile.openOutputStream().bufferedWriter().use {
+                    parser.toJson(root, it)
+                }
+            } else {
+                val file = UniFile.fromUri(context, uri)
+                        ?: 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)
+            }
+        } 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)
+            }
         }
     }
 
@@ -300,23 +396,26 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         val trackToUpdate = ArrayList<Track>()
 
         for (track in tracks) {
-            var isInDatabase = false
-            for (dbTrack in dbTracks) {
-                if (track.sync_id == dbTrack.sync_id) {
-                    // The sync is already in the db, only update its fields
-                    if (track.remote_id != dbTrack.remote_id) {
-                        dbTrack.remote_id = track.remote_id
+            val service = trackManager.getService(track.sync_id)
+            if (service != null && service.isLogged) {
+                var isInDatabase = false
+                for (dbTrack in dbTracks) {
+                    if (track.sync_id == dbTrack.sync_id) {
+                        // The sync is already in the db, only update its fields
+                        if (track.remote_id != dbTrack.remote_id) {
+                            dbTrack.remote_id = track.remote_id
+                        }
+                        dbTrack.last_chapter_read = Math.max(dbTrack.last_chapter_read, track.last_chapter_read)
+                        isInDatabase = true
+                        trackToUpdate.add(dbTrack)
+                        break
                     }
-                    dbTrack.last_chapter_read = Math.max(dbTrack.last_chapter_read, track.last_chapter_read)
-                    isInDatabase = true
-                    trackToUpdate.add(dbTrack)
-                    break
                 }
-            }
-            if (!isInDatabase) {
-                // Insert new sync. Let the db assign the id
-                track.id = null
-                trackToUpdate.add(track)
+                if (!isInDatabase) {
+                    // Insert new sync. Let the db assign the id
+                    track.id = null
+                    trackToUpdate.add(track)
+                }
             }
         }
         // Update database
@@ -361,32 +460,29 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      *
      * @return [Manga], null if not found
      */
-    internal fun getMangaFromDatabase(manga: Manga): Manga? {
-        return databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
-    }
+    internal fun getMangaFromDatabase(manga: Manga): Manga? =
+            databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
 
     /**
      * Returns list containing manga from library
      *
      * @return [Manga] from library
      */
-    internal fun getFavoriteManga(): List<Manga> {
-        return databaseHelper.getFavoriteMangas().executeAsBlocking()
-    }
+    internal fun getFavoriteManga(): List<Manga> =
+            databaseHelper.getFavoriteMangas().executeAsBlocking()
 
     /**
      * Inserts manga and returns id
      *
      * @return id of [Manga], null if not found
      */
-    internal fun insertManga(manga: Manga): Long? {
-        return databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
-    }
+    internal fun insertManga(manga: Manga): Long? =
+            databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
 
     /**
      * Inserts list of chapters
      */
-    internal fun insertChapters(chapters: List<Chapter>) {
+    private fun insertChapters(chapters: List<Chapter>) {
         databaseHelper.updateChaptersBackup(chapters).executeAsBlocking()
     }
 
@@ -395,7 +491,5 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      *
      * @return number of backups selected by user
      */
-    fun numberOfBackups(): Int {
-        return preferences.numberOfBackups().getOrDefault()
-    }
+    fun numberOfBackups(): Int = preferences.numberOfBackups().getOrDefault()
 }

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

@@ -21,6 +21,7 @@ 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.track.TrackManager
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.util.chop
 import eu.kanade.tachiyomi.util.isServiceRunning
@@ -49,9 +50,8 @@ class BackupRestoreService : Service() {
          * @param context the application context.
          * @return true if the service is running, false otherwise.
          */
-        fun isRunning(context: Context): Boolean {
-            return context.isServiceRunning(BackupRestoreService::class.java)
-        }
+        private fun isRunning(context: Context): Boolean =
+                context.isServiceRunning(BackupRestoreService::class.java)
 
         /**
          * Starts a service to restore a backup from Json
@@ -113,7 +113,13 @@ class BackupRestoreService : Service() {
      */
     private val db: DatabaseHelper by injectLazy()
 
-    lateinit var executor: ExecutorService
+    /**
+     * Tracking manager
+     */
+    internal 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.
@@ -142,9 +148,7 @@ class BackupRestoreService : Service() {
     /**
      * This method needs to be implemented, but it's not used/needed.
      */
-    override fun onBind(intent: Intent): IBinder? {
-        return null
-    }
+    override fun onBind(intent: Intent): IBinder? = null
 
     /**
      * Method called when the service receives an intent.
@@ -164,7 +168,7 @@ class BackupRestoreService : Service() {
 
         subscription = Observable.using(
                 { db.lowLevel().beginTransaction() },
-                { getRestoreObservable(uri).doOnNext{ db.lowLevel().setTransactionSuccessful() } },
+                { getRestoreObservable(uri).doOnNext { db.lowLevel().setTransactionSuccessful() } },
                 { executor.execute { db.lowLevel().endTransaction() } })
                 .doAfterTerminate { stopSelf(startId) }
                 .subscribeOn(Schedulers.from(executor))
@@ -182,29 +186,33 @@ class BackupRestoreService : Service() {
     private fun getRestoreObservable(uri: Uri): Observable<List<Manga>> {
         val startTime = System.currentTimeMillis()
 
-        val reader = JsonReader(contentResolver.openInputStream(uri).bufferedReader())
-        val json = JsonParser().parse(reader).asJsonObject
+        return Observable.just(Unit)
+                .map {
+                    val reader = JsonReader(contentResolver.openInputStream(uri).bufferedReader())
+                    val json = JsonParser().parse(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 {
+                        backupManager.restoreCategories(it.asJsonArray)
+                        restoreProgress += 1
+                        showRestoreProgress(restoreProgress, restoreAmount, "Categories added", errors.size)
+                    }
 
-        return Observable.from(mangasJson)
+                    mangasJson
+                }
+                .flatMap { Observable.from(it) }
                 .concatMap {
                     val obj = it.asJsonObject
                     val manga = backupManager.parser.fromJson<MangaImpl>(obj.get(MANGA))
@@ -290,14 +298,14 @@ class BackupRestoreService : Service() {
         val source = backupManager.sourceManager.get(manga.source) ?: return null
         val dbManga = backupManager.getMangaFromDatabase(manga)
 
-        if (dbManga == null) {
+        return if (dbManga == null) {
             // Manga not in database
-            return mangaFetchObservable(source, manga, chapters, categories, history, tracks)
+            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
-            return mangaNoFetchObservable(source, manga, chapters, categories, history, tracks)
+            mangaNoFetchObservable(source, manga, chapters, categories, history, tracks)
         }
     }
 
@@ -317,20 +325,18 @@ class BackupRestoreService : Service() {
                     manga
                 }
                 .filter { it.id != null }
-                .flatMap { manga ->
-                    chapterFetchObservable(source, manga, chapters)
+                .flatMap {
+                    chapterFetchObservable(source, it, chapters)
                             // Convert to the manga that contains new chapters.
                             .map { manga }
                 }
                 .doOnNext {
-                    // Restore categories
-                    backupManager.restoreCategoriesForManga(it, categories)
-
-                    // Restore history
-                    backupManager.restoreHistoryForManga(history)
-
-                    // Restore tracking
-                    backupManager.restoreTrackForManga(it, tracks)
+                    restoreExtraForManga(it, categories, history, tracks)
+                }
+                .flatMap {
+                    trackingFetchObservable(it, tracks)
+                            // Convert to the manga that contains new chapters.
+                            .map { manga }
                 }
                 .doOnCompleted {
                     restoreProgress += 1
@@ -352,14 +358,12 @@ class BackupRestoreService : Service() {
                     }
                 }
                 .doOnNext {
-                    // Restore categories
-                    backupManager.restoreCategoriesForManga(it, categories)
-
-                    // Restore history
-                    backupManager.restoreHistoryForManga(history)
-
-                    // Restore tracking
-                    backupManager.restoreTrackForManga(it, tracks)
+                    restoreExtraForManga(it, categories, history, tracks)
+                }
+                .flatMap { manga ->
+                    trackingFetchObservable(manga, tracks)
+                            // Convert to the manga that contains new chapters.
+                            .map { manga }
                 }
                 .doOnCompleted {
                     restoreProgress += 1
@@ -367,6 +371,17 @@ class BackupRestoreService : Service() {
                 }
     }
 
+    private fun restoreExtraForManga(manga: Manga, categories: List<String>, history: List<DHistory>, tracks: List<Track>) {
+        // Restore categories
+        backupManager.restoreCategoriesForManga(manga, categories)
+
+        // Restore history
+        backupManager.restoreHistoryForManga(history)
+
+        // Restore tracking
+        backupManager.restoreTrackForManga(manga, tracks)
+    }
+
     /**
      * [Observable] that fetches chapter information
      *
@@ -379,10 +394,33 @@ class BackupRestoreService : Service() {
                 // If there's any error, return empty update and continue.
                 .onErrorReturn {
                     errors.add(Date() to "${manga.title} - ${it.message}")
-                    Pair(emptyList<Chapter>(), emptyList<Chapter>())
+                    Pair(emptyList(), emptyList())
                 }
     }
 
+    /**
+     * [Observable] that refreshes tracking information
+     * @param manga manga that needs updating.
+     * @param tracks list containing tracks from restore file.
+     * @return [Observable] that contains updated track item
+     */
+    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()
+                    }
+                }
+    }
 
     /**
      * Called to update dialog in [BackupConst]

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

@@ -14,6 +14,7 @@ object TrackTypeAdapter {
     private const val REMOTE = "r"
     private const val TITLE = "t"
     private const val LAST_READ = "l"
+    private const val TRACKING_URL = "u"
 
     fun build(): TypeAdapter<TrackImpl> {
         return typeAdapter {
@@ -27,6 +28,8 @@ object TrackTypeAdapter {
                 value(it.remote_id)
                 name(LAST_READ)
                 value(it.last_chapter_read)
+                name(TRACKING_URL)
+                value(it.tracking_url)
                 endObject()
             }
 
@@ -42,6 +45,7 @@ object TrackTypeAdapter {
                             SYNC -> track.sync_id = nextInt()
                             REMOTE -> track.remote_id = nextInt()
                             LAST_READ -> track.last_chapter_read = nextInt()
+                            TRACKING_URL -> track.tracking_url = nextString()
                         }
                     }
                 }

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

@@ -44,13 +44,8 @@ class ChapterCache(private val context: Context) {
     /** Google Json class used for parsing JSON files.  */
     private val gson: Gson by injectLazy()
 
-    /** Parent directory of the cache. Ensure not null and not root directory or fallback
-     * to internal cache directory. **/
-    private val basePath = context.externalCacheDir?.takeIf { it.absolutePath.length > 1 }
-            ?: context.cacheDir
-
     /** Cache class used for cache management.  */
-    private val diskCache = DiskLruCache.open(File(basePath, PARAMETER_CACHE_DIRECTORY),
+    private val diskCache = DiskLruCache.open(File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
             PARAMETER_APP_VERSION,
             PARAMETER_VALUE_COUNT,
             PARAMETER_CACHE_SIZE)
@@ -86,10 +81,10 @@ class ChapterCache(private val context: Context) {
 
         try {
             // Remove the extension from the file to get the key of the cache
-            val key = file.substring(0, file.lastIndexOf("."))
+            val key = file.substringBeforeLast(".")
             // Remove file from cache.
             return diskCache.remove(key)
-        } catch (e: IOException) {
+        } catch (e: Exception) {
             return false
         }
     }

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

@@ -20,7 +20,8 @@ class CoverCache(private val context: Context) {
     /**
      * Cache directory used for cache management.
      */
-    private val cacheDir = context.getExternalFilesDir("covers")
+    private val cacheDir = context.getExternalFilesDir("covers") ?:
+            File(context.filesDir, "covers").also { it.mkdirs() }
 
     /**
      * Returns the cover from cache.

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

@@ -17,7 +17,7 @@ class DbOpenHelper(context: Context)
         /**
          * Version of the database.
          */
-        const val DATABASE_VERSION = 5
+        const val DATABASE_VERSION = 6
     }
 
     override fun onCreate(db: SQLiteDatabase) = with(db) {
@@ -54,6 +54,9 @@ class DbOpenHelper(context: Context)
         if (oldVersion < 5) {
             db.execSQL(ChapterTable.addScanlator)
         }
+        if (oldVersion < 6) {
+            db.execSQL(TrackTable.addTrackingUrl)
+        }
     }
 
     override fun onConfigure(db: SQLiteDatabase) {

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

@@ -65,9 +65,8 @@ class MangaPutResolver : DefaultPutResolver<Manga>() {
     }
 }
 
-open class MangaGetResolver : DefaultGetResolver<Manga>() {
-
-    override fun mapFromCursor(cursor: Cursor): Manga = MangaImpl().apply {
+interface BaseMangaGetResolver {
+    fun mapBaseFromCursor(manga: Manga, cursor: Cursor) = manga.apply {
         id = cursor.getLong(cursor.getColumnIndex(COL_ID))
         source = cursor.getLong(cursor.getColumnIndex(COL_SOURCE))
         url = cursor.getString(cursor.getColumnIndex(COL_URL))
@@ -86,6 +85,13 @@ open class MangaGetResolver : DefaultGetResolver<Manga>() {
     }
 }
 
+open class MangaGetResolver : DefaultGetResolver<Manga>(), BaseMangaGetResolver {
+
+    override fun mapFromCursor(cursor: Cursor): Manga {
+        return mapBaseFromCursor(MangaImpl(), cursor)
+    }
+}
+
 class MangaDeleteResolver : DefaultDeleteResolver<Manga>() {
 
     override fun mapToDeleteQuery(obj: Manga) = DeleteQuery.builder()

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

@@ -20,6 +20,7 @@ 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
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TOTAL_CHAPTERS
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TRACKING_URL
 import eu.kanade.tachiyomi.data.database.tables.TrackTable.TABLE
 
 class TrackTypeMapping : SQLiteTypeMapping<Track>(
@@ -40,7 +41,7 @@ class TrackPutResolver : DefaultPutResolver<Track>() {
             .whereArgs(obj.id)
             .build()
 
-    override fun mapToContentValues(obj: Track) = ContentValues(9).apply {
+    override fun mapToContentValues(obj: Track) = ContentValues(10).apply {
         put(COL_ID, obj.id)
         put(COL_MANGA_ID, obj.manga_id)
         put(COL_SYNC_ID, obj.sync_id)
@@ -49,7 +50,9 @@ class TrackPutResolver : DefaultPutResolver<Track>() {
         put(COL_LAST_CHAPTER_READ, obj.last_chapter_read)
         put(COL_TOTAL_CHAPTERS, obj.total_chapters)
         put(COL_STATUS, obj.status)
+        put(COL_TRACKING_URL, obj.tracking_url)
         put(COL_SCORE, obj.score)
+
     }
 }
 
@@ -65,6 +68,7 @@ class TrackGetResolver : DefaultGetResolver<Track>() {
         total_chapters = cursor.getInt(cursor.getColumnIndex(COL_TOTAL_CHAPTERS))
         status = cursor.getInt(cursor.getColumnIndex(COL_STATUS))
         score = cursor.getFloat(cursor.getColumnIndex(COL_SCORE))
+        tracking_url = cursor.getString(cursor.getColumnIndex(COL_TRACKING_URL))
     }
 }
 

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

@@ -0,0 +1,9 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class LibraryManga : MangaImpl() {
+
+    var unread: Int = 0
+
+    var category: Int = 0
+
+}

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

@@ -16,10 +16,6 @@ interface Manga : SManga {
 
     var chapter_flags: Int
 
-    var unread: Int
-
-    var category: Int
-
     fun setChapterOrder(order: Int) {
         setFlags(order, SORT_MASK)
     }

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

@@ -1,6 +1,6 @@
 package eu.kanade.tachiyomi.data.database.models
 
-class MangaImpl : Manga {
+open class MangaImpl : Manga {
 
     override var id: Long? = null
 
@@ -32,10 +32,6 @@ class MangaImpl : Manga {
 
     override var chapter_flags: Int = 0
 
-    @Transient override var unread: Int = 0
-
-    @Transient override var category: Int = 0
-
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || javaClass != other.javaClass) return false

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

@@ -22,6 +22,8 @@ interface Track : Serializable {
 
     var status: Int
 
+    var tracking_url: String
+
     fun copyPersonalFrom(other: Track) {
         last_chapter_read = other.last_chapter_read
         score = other.score
@@ -29,7 +31,6 @@ interface Track : Serializable {
     }
 
     companion object {
-
         fun create(serviceId: Int): Track = TrackImpl().apply {
             sync_id = serviceId
         }

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

@@ -20,6 +20,8 @@ class TrackImpl : Track {
 
     override var status: Int = 0
 
+    override var tracking_url: String = ""
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || javaClass != other.javaClass) return false

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

@@ -4,8 +4,10 @@ import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
 import com.pushtorefresh.storio.sqlite.queries.Query
 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.LibraryMangaGetResolver
+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.tables.CategoryTable
@@ -23,7 +25,7 @@ interface MangaQueries : DbProvider {
             .prepare()
 
     fun getLibraryMangas() = db.get()
-            .listOfObjects(Manga::class.java)
+            .listOfObjects(LibraryManga::class.java)
             .withQuery(RawQuery.builder()
                     .query(libraryQuery)
                     .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE, CategoryTable.TABLE)
@@ -73,6 +75,11 @@ interface MangaQueries : DbProvider {
             .withPutResolver(MangaLastUpdatedPutResolver())
             .prepare()
 
+    fun updateMangaFavorite(manga: Manga) = db.put()
+            .`object`(manga)
+            .withPutResolver(MangaFavoritePutResolver())
+            .prepare()
+
     fun deleteManga(manga: Manga) = db.delete().`object`(manga).prepare()
 
     fun deleteMangas(mangas: List<Manga>) = db.delete().objects(mangas).prepare()

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

@@ -1,24 +1,23 @@
 package eu.kanade.tachiyomi.data.database.resolvers
 
 import android.database.Cursor
-import eu.kanade.tachiyomi.data.database.mappers.MangaGetResolver
-import eu.kanade.tachiyomi.data.database.models.Manga
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.BaseMangaGetResolver
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
 import eu.kanade.tachiyomi.data.database.tables.MangaTable
 
-class LibraryMangaGetResolver : MangaGetResolver() {
+class LibraryMangaGetResolver : DefaultGetResolver<LibraryManga>(), BaseMangaGetResolver {
 
     companion object {
         val INSTANCE = LibraryMangaGetResolver()
     }
 
-    override fun mapFromCursor(cursor: Cursor): Manga {
-        val manga = super.mapFromCursor(cursor)
+    override fun mapFromCursor(cursor: Cursor): LibraryManga {
+        val manga = LibraryManga()
 
-        val unreadColumn = cursor.getColumnIndex(MangaTable.COL_UNREAD)
-        manga.unread = cursor.getInt(unreadColumn)
-
-        val categoryColumn = cursor.getColumnIndex(MangaTable.COL_CATEGORY)
-        manga.category = cursor.getInt(categoryColumn)
+        mapBaseFromCursor(manga, cursor)
+        manga.unread = cursor.getInt(cursor.getColumnIndex(MangaTable.COL_UNREAD))
+        manga.category = cursor.getInt(cursor.getColumnIndex(MangaTable.COL_CATEGORY))
 
         return manga
     }

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

@@ -0,0 +1,33 @@
+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 MangaFavoritePutResolver : 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_FAVORITE, manga.favorite)
+    }
+
+}
+

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

@@ -22,6 +22,8 @@ object TrackTable {
 
     const val COL_TOTAL_CHAPTERS = "total_chapters"
 
+    const val COL_TRACKING_URL = "remote_url"
+
     val createTableQuery: String
         get() = """CREATE TABLE $TABLE(
             $COL_ID INTEGER NOT NULL PRIMARY KEY,
@@ -33,9 +35,12 @@ object TrackTable {
             $COL_TOTAL_CHAPTERS INTEGER NOT NULL,
             $COL_STATUS INTEGER NOT NULL,
             $COL_SCORE FLOAT NOT NULL,
+            $COL_TRACKING_URL TEXT NOT NULL,
             UNIQUE ($COL_MANGA_ID, $COL_SYNC_ID) ON CONFLICT REPLACE,
             FOREIGN KEY($COL_MANGA_ID) REFERENCES ${MangaTable.TABLE} (${MangaTable.COL_ID})
             ON DELETE CASCADE
             )"""
 
+    val addTrackingUrl: String
+        get() = "ALTER TABLE $TABLE ADD COLUMN $COL_TRACKING_URL TEXT DEFAULT ''"
 }

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

@@ -0,0 +1,252 @@
+package eu.kanade.tachiyomi.data.download
+
+import android.content.Context
+import android.net.Uri
+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 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
+ * directory checking is expensive and it slowdowns the app. The cache is invalidated by the time
+ * defined in [renewInterval] as we don't have any control over the filesystem and the user can
+ * delete the folders at any time without the app noticing.
+ *
+ * @param context the application context.
+ * @param provider the downloads directories provider.
+ * @param sourceManager the source manager.
+ * @param preferences the preferences of the app.
+ */
+class DownloadCache(private val context: Context,
+                    private val provider: DownloadProvider,
+                    private val sourceManager: SourceManager = Injekt.get(),
+                    private val preferences: PreferencesHelper = Injekt.get()) {
+
+    /**
+     * The interval after which this cache should be invalidated. 1 hour shouldn't cause major
+     * issues, as the cache is only used for UI feedback.
+     */
+    private val renewInterval = TimeUnit.HOURS.toMillis(1)
+
+    /**
+     * The last time the cache was refreshed.
+     */
+    private var lastRenew = 0L
+
+    /**
+     * The root directory for downloads.
+     */
+    private var rootDir = RootDirectory(getDirectoryFromPreference())
+
+    init {
+        preferences.downloadsDirectory().asObservable()
+                .skip(1)
+                .subscribe {
+                    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))
+    }
+
+    /**
+     * Returns true if the chapter is downloaded.
+     *
+     * @param chapter the chapter to check.
+     * @param manga the manga of the chapter.
+     * @param skipCache whether to skip the directory cache and check in the filesystem.
+     */
+    fun isChapterDownloaded(chapter: Chapter, manga: Manga, skipCache: Boolean): Boolean {
+        if (skipCache) {
+            val source = sourceManager.get(manga.source) ?: return false
+            return provider.findChapterDir(chapter, manga, source) != null
+        }
+
+        checkRenew()
+
+        val sourceDir = rootDir.files[manga.source]
+        if (sourceDir != null) {
+            val mangaDir = sourceDir.files[provider.getMangaDirName(manga)]
+            if (mangaDir != null) {
+                return provider.getChapterDirName(chapter) in mangaDir.files
+            }
+        }
+        return false
+    }
+
+    /**
+     * Returns the amount of downloaded chapters for a manga.
+     *
+     * @param manga the manga to check.
+     */
+    fun getDownloadCount(manga: Manga): Int {
+        checkRenew()
+
+        val sourceDir = rootDir.files[manga.source]
+        if (sourceDir != null) {
+            val mangaDir = sourceDir.files[provider.getMangaDirName(manga)]
+            if (mangaDir != null) {
+                return mangaDir.files.size
+            }
+        }
+        return 0
+    }
+
+    /**
+     * Checks if the cache needs a renewal and performs it if needed.
+     */
+    @Synchronized
+    private fun checkRenew() {
+        if (lastRenew + renewInterval < System.currentTimeMillis()) {
+            renew()
+            lastRenew = System.currentTimeMillis()
+        }
+    }
+
+    /**
+     * Renews the downloads cache.
+     */
+    private fun renew() {
+        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
+                }
+
+        rootDir.files = sourceDirs
+
+        sourceDirs.values.forEach { sourceDir ->
+            val mangaDirs = sourceDir.dir.listFiles()
+                    .orEmpty()
+                    .associateNotNullKeys { it.name to MangaDirectory(it) }
+
+            sourceDir.files = mangaDirs
+
+            mangaDirs.values.forEach { mangaDir ->
+                val chapterDirs = mangaDir.dir.listFiles()
+                        .orEmpty()
+                        .mapNotNull { it.name }
+                        .toHashSet()
+
+                mangaDir.files = chapterDirs
+            }
+        }
+    }
+
+    /**
+     * Adds a chapter that has just been download to this cache.
+     *
+     * @param chapterDirName the downloaded chapter's directory name.
+     * @param mangaUniFile the directory of the manga.
+     * @param manga the manga of the chapter.
+     */
+    @Synchronized
+    fun addChapter(chapterDirName: String, mangaUniFile: UniFile, manga: Manga) {
+        // Retrieve the cached source directory or cache a new one
+        var sourceDir = rootDir.files[manga.source]
+        if (sourceDir == null) {
+            val source = sourceManager.get(manga.source) ?: return
+            val sourceUniFile = provider.findSourceDir(source) ?: return
+            sourceDir = SourceDirectory(sourceUniFile)
+            rootDir.files += manga.source to sourceDir
+        }
+
+        // Retrieve the cached manga directory or cache a new one
+        val mangaDirName = provider.getMangaDirName(manga)
+        var mangaDir = sourceDir.files[mangaDirName]
+        if (mangaDir == null) {
+            mangaDir = MangaDirectory(mangaUniFile)
+            sourceDir.files += mangaDirName to mangaDir
+        }
+
+        // Save the chapter directory
+        mangaDir.files += chapterDirName
+    }
+
+    /**
+     * Removes a chapter that has been deleted from this cache.
+     *
+     * @param chapter the chapter to remove.
+     * @param manga the manga of the chapter.
+     */
+    @Synchronized
+    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
+        }
+    }
+
+    /**
+     * Removes a manga that has been deleted from this cache.
+     *
+     * @param manga the manga to remove.
+     */
+    @Synchronized
+    fun removeManga(manga: Manga) {
+        val sourceDir = rootDir.files[manga.source] ?: return
+        val mangaDirName = provider.getMangaDirName(manga)
+        if (mangaDirName in sourceDir.files) {
+            sourceDir.files -= mangaDirName
+        }
+    }
+
+    /**
+     * Class to store the files under the root downloads directory.
+     */
+    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())
+
+    /**
+     * Class to store the files under a manga directory.
+     */
+    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) } }
+        return destination
+    }
+
+    /**
+     * Returns a map from a list containing only the key entries of [transform] that are not null.
+     */
+    private inline fun <T, K, V> Array<T>.associateNotNullKeys(transform: (T) -> Pair<K?, V>): Map<K, V> {
+        val destination = LinkedHashMap<K, V>()
+        for (element in this) {
+            val (key, value) = transform(element)
+            if (key != null) {
+                destination.put(key, value)
+            }
+        }
+        return destination
+    }
+
+}

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

@@ -24,10 +24,15 @@ class DownloadManager(context: Context) {
      */
     private val provider = DownloadProvider(context)
 
+    /**
+     * Cache of downloaded chapters.
+     */
+    private val cache = DownloadCache(context, provider)
+
     /**
      * Downloader whose only task is to download chapters.
      */
-    private val downloader = Downloader(context, provider)
+    private val downloader = Downloader(context, provider, cache)
 
     /**
      * Downloads queue, where the pending chapters are stored.
@@ -80,9 +85,10 @@ class DownloadManager(context: Context) {
      *
      * @param manga the manga of the chapters.
      * @param chapters the list of chapters to enqueue.
+     * @param autoStart whether to start the downloader after enqueing the chapters.
      */
-    fun downloadChapters(manga: Manga, chapters: List<Chapter>) {
-        downloader.queueChapters(manga, chapters)
+    fun downloadChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean = true) {
+        downloader.queueChapters(manga, chapters, autoStart)
     }
 
     /**
@@ -94,7 +100,7 @@ class DownloadManager(context: Context) {
      * @return an observable containing the list of pages from the chapter.
      */
     fun buildPageList(source: Source, manga: Manga, chapter: Chapter): Observable<List<Page>> {
-        return buildPageList(provider.findChapterDir(source, manga, chapter))
+        return buildPageList(provider.findChapterDir(chapter, manga, source))
     }
 
     /**
@@ -120,61 +126,45 @@ class DownloadManager(context: Context) {
     }
 
     /**
-     * Returns the directory name for a manga.
+     * Returns true if the chapter is downloaded.
      *
-     * @param manga the manga to query.
-     */
-    fun getMangaDirName(manga: Manga): String {
-        return provider.getMangaDirName(manga)
-    }
-
-    /**
-     * Returns the directory name for the given chapter.
-     *
-     * @param chapter the chapter to query.
-     */
-    fun getChapterDirName(chapter: Chapter): String {
-        return provider.getChapterDirName(chapter)
-    }
-
-    /**
-     * Returns the download directory for a source if it exists.
-     *
-     * @param source the source to query.
-     */
-    fun findSourceDir(source: Source): UniFile? {
-        return provider.findSourceDir(source)
-    }
-
-    /**
-     * Returns the directory for the given manga, if it exists.
-     *
-     * @param source the source of the manga.
-     * @param manga the manga to query.
-     */
-    fun findMangaDir(source: Source, manga: Manga): UniFile? {
-        return provider.findMangaDir(source, manga)
-    }
-
-    /**
-     * Returns the directory for the given chapter, if it exists.
-     *
-     * @param source the source of the chapter.
+     * @param chapter the chapter to check.
      * @param manga the manga of the chapter.
-     * @param chapter the chapter to query.
+     * @param skipCache whether to skip the directory cache and check in the filesystem.
      */
-    fun findChapterDir(source: Source, manga: Manga, chapter: Chapter): UniFile? {
-        return provider.findChapterDir(source, manga, chapter)
+    fun isChapterDownloaded(chapter: Chapter, manga: Manga, skipCache: Boolean = false): Boolean {
+        return cache.isChapterDownloaded(chapter, manga, skipCache)
+    }
+
+    /**
+     * Returns the amount of downloaded chapters for a manga.
+     *
+     * @param manga the manga to check.
+     */
+    fun getDownloadCount(manga: Manga): Int {
+        return cache.getDownloadCount(manga)
     }
 
     /**
      * Deletes the directory of a downloaded chapter.
      *
-     * @param source the source of the chapter.
-     * @param manga the manga of the chapter.
      * @param chapter the chapter to delete.
+     * @param manga the manga of the chapter.
+     * @param source the source of the chapter.
      */
-    fun deleteChapter(source: Source, manga: Manga, chapter: Chapter) {
-        provider.findChapterDir(source, manga, chapter)?.delete()
+    fun deleteChapter(chapter: Chapter, manga: Manga, source: Source) {
+        provider.findChapterDir(chapter, manga, source)?.delete()
+        cache.removeChapter(chapter, manga)
+    }
+
+    /**
+     * Deletes the directory of a downloaded manga.
+     *
+     * @param manga the manga to delete.
+     * @param source the source of the manga.
+     */
+    fun deleteManga(manga: Manga, source: Source) {
+        provider.findMangaDir(manga, source)?.delete()
+        cache.removeManga(manga)
     }
 }

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

@@ -3,12 +3,12 @@ package eu.kanade.tachiyomi.data.download
 import android.content.Context
 import android.graphics.BitmapFactory
 import android.support.v4.app.NotificationCompat
-import eu.kanade.tachiyomi.Constants
 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 java.util.regex.Pattern
@@ -23,7 +23,7 @@ internal class DownloadNotifier(private val context: Context) {
      * Notification builder.
      */
     private val notification by lazy {
-        NotificationCompat.Builder(context)
+        NotificationCompat.Builder(context, Notifications.CHANNEL_DOWNLOADER)
                 .setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
     }
 
@@ -36,7 +36,6 @@ internal class DownloadNotifier(private val context: Context) {
      * The size of queue on start download.
      */
     var initialQueueSize = 0
-        get() = field
         set(value) {
             if (value != 0){
                 isSingleChapter = (value == 1)
@@ -44,11 +43,6 @@ internal class DownloadNotifier(private val context: Context) {
             field = value
         }
 
-    /**
-     * Simultaneous download setting > 1.
-     */
-    var multipleDownloadThreads = false
-
     /**
      * Updated when error is thrown
      */
@@ -69,7 +63,7 @@ internal class DownloadNotifier(private val context: Context) {
      *
      * @param id the id of the notification.
      */
-    private fun NotificationCompat.Builder.show(id: Int = Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ID) {
+    private fun NotificationCompat.Builder.show(id: Int = Notifications.ID_DOWNLOAD_CHAPTER) {
         context.notificationManager.notify(id, build())
     }
 
@@ -86,41 +80,15 @@ internal class DownloadNotifier(private val context: Context) {
      * those can only be dismissed by the user.
      */
     fun dismiss() {
-        context.notificationManager.cancel(Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ID)
+        context.notificationManager.cancel(Notifications.ID_DOWNLOAD_CHAPTER)
     }
 
     /**
      * Called when download progress changes.
-     * Note: Only accepted when multi download active.
-     *
-     * @param queue the queue containing downloads.
-     */
-    fun onProgressChange(queue: DownloadQueue) {
-        if (multipleDownloadThreads) {
-            doOnProgressChange(null, queue)
-        }
-    }
-
-    /**
-     * Called when download progress changes.
-     * Note: Only accepted when single download active.
      *
      * @param download download object containing download information.
-     * @param queue the queue containing downloads.
      */
-    fun onProgressChange(download: Download, queue: DownloadQueue) {
-        if (!multipleDownloadThreads) {
-            doOnProgressChange(download, queue)
-        }
-    }
-
-    /**
-     * Show notification progress of chapter.
-     *
-     * @param download download object containing download information.
-     * @param queue the queue containing downloads.
-     */
-    private fun doOnProgressChange(download: Download?, queue: DownloadQueue) {
+    fun onProgressChange(download: Download) {
         // Create notification
         with(notification) {
             // Check if first call.
@@ -133,28 +101,13 @@ internal class DownloadNotifier(private val context: Context) {
                 isDownloading = true
             }
 
-            if (multipleDownloadThreads) {
-                setContentTitle(context.getString(R.string.app_name))
-
-                // Reset the queue size if the download progress is negative
-                if ((initialQueueSize - queue.size) < 0)
-                    initialQueueSize = queue.size
-
-                setContentText(context.getString(R.string.chapter_downloading_progress)
-                        .format(initialQueueSize - queue.size, initialQueueSize))
-                setProgress(initialQueueSize, initialQueueSize - queue.size, false)
-            } else {
-                download?.let {
-                    val title = it.manga.title.chop(15)
-                    val quotedTitle = Pattern.quote(title)
-                    val chapter = download.chapter.name.replaceFirst("$quotedTitle[\\s]*[-]*[\\s]*".toRegex(RegexOption.IGNORE_CASE), "")
-                    setContentTitle("$title - $chapter".chop(30))
-                    setContentText(context.getString(R.string.chapter_downloading_progress)
-                            .format(it.downloadedImages, it.pages!!.size))
-                    setProgress(it.pages!!.size, it.downloadedImages, false)
-
-                }
-            }
+            val title = download.manga.title.chop(15)
+            val quotedTitle = Pattern.quote(title)
+            val chapter = download.chapter.name.replaceFirst("$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)
         }
         // Displays the progress bar on notification
         notification.show()
@@ -262,7 +215,7 @@ internal class DownloadNotifier(private val context: Context) {
             setContentIntent(NotificationHandler.openDownloadManagerPendingActivity(context))
             setProgress(0, 0, false)
         }
-        notification.show(Constants.NOTIFICATION_DOWNLOAD_CHAPTER_ERROR_ID)
+        notification.show(Notifications.ID_DOWNLOAD_CHAPTER_ERROR)
 
         // Reset download information
         errorThrown = true

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

@@ -40,10 +40,10 @@ class DownloadProvider(private val context: Context) {
     /**
      * Returns the download directory for a manga. For internal use only.
      *
-     * @param source the source of the manga.
      * @param manga the manga to query.
+     * @param source the source of the manga.
      */
-    internal fun getMangaDir(source: Source, manga: Manga): UniFile {
+    internal fun getMangaDir(manga: Manga, source: Source): UniFile {
         return downloadsDir
                 .createDirectory(getSourceDirName(source))
                 .createDirectory(getMangaDirName(manga))
@@ -61,10 +61,10 @@ class DownloadProvider(private val context: Context) {
     /**
      * Returns the download directory for a manga if it exists.
      *
-     * @param source the source of the manga.
      * @param manga the manga to query.
+     * @param source the source of the manga.
      */
-    fun findMangaDir(source: Source, manga: Manga): UniFile? {
+    fun findMangaDir(manga: Manga, source: Source): UniFile? {
         val sourceDir = findSourceDir(source)
         return sourceDir?.findFile(getMangaDirName(manga))
     }
@@ -72,12 +72,12 @@ class DownloadProvider(private val context: Context) {
     /**
      * Returns the download directory for a chapter if it exists.
      *
-     * @param source the source of the chapter.
-     * @param manga the manga of the chapter.
      * @param chapter the chapter to query.
+     * @param manga the manga of the chapter.
+     * @param source the source of the chapter.
      */
-    fun findChapterDir(source: Source, manga: Manga, chapter: Chapter): UniFile? {
-        val mangaDir = findMangaDir(source, manga)
+    fun findChapterDir(chapter: Chapter, manga: Manga, source: Source): UniFile? {
+        val mangaDir = findMangaDir(manga, source)
         return mangaDir?.findFile(getChapterDirName(chapter))
     }
 

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

@@ -122,7 +122,7 @@ class DownloadService : Service() {
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe({ state -> onNetworkStateChanged(state)
-                }, { error ->
+                }, { _ ->
                     toast(R.string.download_queue_error)
                     stopSelf()
                 })

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

@@ -9,18 +9,16 @@ 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.data.preference.getOrDefault
 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 okhttp3.Response
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
-import rx.subjects.BehaviorSubject
 import rx.subscriptions.CompositeSubscription
 import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
@@ -36,8 +34,13 @@ import uy.kohesive.injekt.injectLazy
  *
  * @param context the application context.
  * @param provider the downloads directory provider.
+ * @param cache the downloads cache, used to add the downloads to the cache after their completion.
  */
-class Downloader(private val context: Context, private val provider: DownloadProvider) {
+class Downloader(
+        private val context: Context,
+        private val provider: DownloadProvider,
+        private val cache: DownloadCache
+) {
 
     /**
      * Store for persisting downloads across restarts.
@@ -54,11 +57,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      */
     private val sourceManager: SourceManager by injectLazy()
 
-    /**
-     * Preferences.
-     */
-    private val preferences: PreferencesHelper by injectLazy()
-
     /**
      * Notifier for the downloader state and progress.
      */
@@ -69,11 +67,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      */
     private val subscriptions = CompositeSubscription()
 
-    /**
-     * Subject to do a live update of the number of simultaneous downloads.
-     */
-    private val threadsSubject = BehaviorSubject.create<Int>()
-
     /**
      * Relay to send a list of downloads to the downloader.
      */
@@ -90,12 +83,10 @@ class Downloader(private val context: Context, private val provider: DownloadPro
     @Volatile private var isRunning: Boolean = false
 
     init {
-        Observable.fromCallable { store.restore() }
-                .map { downloads -> downloads.filter { isDownloadAllowed(it) } }
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ downloads -> queue.addAll(downloads)
-                }, { error -> Timber.e(error) })
+        launchNow {
+            val chapters = async { store.restore() }
+            queue.addAll(chapters.await())
+        }
     }
 
     /**
@@ -114,9 +105,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         val pending = queue.filter { it.status != Download.DOWNLOADED }
         pending.forEach { if (it.status != Download.QUEUE) it.status = Download.QUEUE }
 
-        // Show download notification when simultaneous download > 1.
-        notifier.onProgressChange(queue)
-
         downloadsRelay.call(pending)
         return !pending.isEmpty()
     }
@@ -183,14 +171,8 @@ class Downloader(private val context: Context, private val provider: DownloadPro
 
         subscriptions.clear()
 
-        subscriptions += preferences.downloadThreads().asObservable()
-                .subscribe {
-                    threadsSubject.onNext(it)
-                    notifier.multipleDownloadThreads = it > 1
-                }
-
-        subscriptions += downloadsRelay.flatMap { Observable.from(it) }
-                .lift(DynamicConcurrentMergeOperator<Download, Download>({ downloadChapter(it) }, threadsSubject))
+        subscriptions += downloadsRelay.concatMapIterable { it }
+                .concatMap { downloadChapter(it).subscribeOn(Schedulers.io()) }
                 .onBackpressureBuffer()
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe({ completeDownload(it)
@@ -213,61 +195,51 @@ class Downloader(private val context: Context, private val provider: DownloadPro
     }
 
     /**
-     * Creates a download object for every chapter and adds them to the downloads queue. This method
-     * must be called in the main thread.
+     * Creates a download object for every chapter and adds them to the downloads queue.
      *
      * @param manga the manga of the chapters to download.
      * @param chapters the list of chapters to download.
+     * @param autoStart whether to start the downloader after enqueing the chapters.
      */
-    fun queueChapters(manga: Manga, chapters: List<Chapter>) {
-        val source = sourceManager.get(manga.source) as? HttpSource ?: return
+    fun queueChapters(manga: Manga, chapters: List<Chapter>, autoStart: Boolean) = launchUI {
+        val source = sourceManager.get(manga.source) as? HttpSource ?: return@launchUI
 
-        val chaptersToQueue = chapters
-                // Avoid downloading chapters with the same name.
-                .distinctBy { it.name }
-                // Add chapters to queue from the start.
-                .sortedByDescending { it.source_order }
-                // Create a downloader for each one.
-                .map { Download(source, manga, it) }
-                // Filter out those already queued or downloaded.
-                .filter { isDownloadAllowed(it) }
+        // Called in background thread, the operation can be slow with SAF.
+        val chaptersWithoutDir = async {
+            val mangaDir = provider.findMangaDir(manga, source)
 
-        // Return if there's nothing to queue.
-        if (chaptersToQueue.isEmpty())
-            return
-
-        queue.addAll(chaptersToQueue)
-
-        // Initialize queue size.
-        notifier.initialQueueSize = queue.size
-
-        // Initial multi-thread
-        notifier.multipleDownloadThreads = preferences.downloadThreads().getOrDefault() > 1
-
-        if (isRunning) {
-            // Send the list of downloads to the downloader.
-            downloadsRelay.call(chaptersToQueue)
-        } else {
-            // Show initial notification.
-            notifier.onProgressChange(queue)
+            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 }
         }
-    }
 
-    /**
-     * Returns true if the given download can be queued and downloaded.
-     *
-     * @param download the download to be checked.
-     */
-    private fun isDownloadAllowed(download: Download): Boolean {
-        // If the chapter is already queued, don't add it again
-        if (queue.any { it.chapter.id == download.chapter.id })
-            return false
+        // 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) }
 
-        val dir = provider.findChapterDir(download.source, download.manga, download.chapter)
-        if (dir != null && dir.exists())
-            return false
+        if (chaptersToQueue.isNotEmpty()) {
+            queue.addAll(chaptersToQueue)
 
-        return true
+            // 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) {
+                DownloadService.start(this@Downloader.context)
+            }
+        }
     }
 
     /**
@@ -275,9 +247,9 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      *
      * @param download the chapter to be downloaded.
      */
-    private fun downloadChapter(download: Download): Observable<Download> {
+    private fun downloadChapter(download: Download): Observable<Download> = Observable.defer {
         val chapterDirname = provider.getChapterDirName(download.chapter)
-        val mangaDir = provider.getMangaDir(download.source, download.manga)
+        val mangaDir = provider.getMangaDir(download.manga, download.source)
         val tmpDir = mangaDir.createDirectory("${chapterDirname}_tmp")
 
         val pageListObservable = if (download.pages == null) {
@@ -294,8 +266,8 @@ class Downloader(private val context: Context, private val provider: DownloadPro
             Observable.just(download.pages!!)
         }
 
-        return pageListObservable
-                .doOnNext { pages ->
+        pageListObservable
+                .doOnNext { _ ->
                     // Delete all temporary (unfinished) files
                     tmpDir.listFiles()
                             ?.filter { it.name!!.endsWith(".tmp") }
@@ -309,18 +281,18 @@ class Downloader(private val context: Context, private val provider: DownloadPro
                 // 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, queue) }
+                .doOnNext { notifier.onProgressChange(download) }
                 .toList()
-                .map { pages -> download }
+                .map { _ -> download }
                 // Do after download completes
-                .doOnNext { ensureSuccessfulDownload(download, tmpDir, chapterDirname) }
+                .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
                 }
-                .subscribeOn(Schedulers.io())
+
     }
 
     /**
@@ -419,10 +391,13 @@ class Downloader(private val context: Context, private val provider: DownloadPro
      * Checks if the download was successful.
      *
      * @param download the download to check.
+     * @param mangaDir the manga directory of the download.
      * @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, 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") }
 
@@ -435,6 +410,7 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         // Only rename the directory if it's downloaded.
         if (download.status == Download.DOWNLOADED) {
             tmpDir.renameTo(dirname)
+            cache.addChapter(dirname, mangaDir, download.manga)
         }
     }
 
@@ -446,7 +422,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         if (download.status == Download.DOWNLOADED) {
             // remove downloaded chapter from queue
             queue.remove(download)
-            notifier.onProgressChange(queue)
         }
         if (areAllDownloadsFinished()) {
             if (notifier.isSingleChapter && !notifier.errorThrown) {
@@ -463,4 +438,4 @@ class Downloader(private val context: Context, private val provider: DownloadPro
         return queue.none { it.status <= Download.DOWNLOADING }
     }
 
-}
+}

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

@@ -66,6 +66,7 @@ class DownloadQueue(
                         val pageStatusSubject = PublishSubject.create<Int>()
                         setPagesSubject(download.pages, pageStatusSubject)
                         return@flatMap pageStatusSubject
+                                .onBackpressureBuffer()
                                 .filter { it == Page.READY }
                                 .map { download }
 

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

@@ -1,35 +1,51 @@
-package eu.kanade.tachiyomi.data.glide
-
-import com.bumptech.glide.Priority
-import com.bumptech.glide.load.data.DataFetcher
-import java.io.File
-import java.io.IOException
-import java.io.InputStream
-
-open class FileFetcher(private val file: File) : DataFetcher<InputStream> {
-
-    private var data: InputStream? = null
-
-    override fun loadData(priority: Priority): InputStream {
-        data = file.inputStream()
-        return data!!
-    }
-
-    override fun cleanup() {
-        data?.let { data ->
-            try {
-                data.close()
-            } catch (e: IOException) {
-                // Ignore
-            }
-        }
-    }
-
-    override fun cancel() {
-        // Do nothing.
-    }
-
-    override fun getId(): String {
-        return file.toString()
-    }
+package eu.kanade.tachiyomi.data.glide
+
+import android.content.ContentValues.TAG
+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.*
+
+open class FileFetcher(private val file: File) : DataFetcher<InputStream> {
+
+    private var data: InputStream? = null
+
+    override fun loadData(priority: Priority, callback: DataFetcher.DataCallback<in InputStream>) {
+        loadFromFile(callback)
+    }
+
+    protected fun loadFromFile(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)
+            }
+            callback.onLoadFailed(e)
+            return
+        }
+
+        callback.onDataReady(data)
+    }
+
+    override fun cleanup() {
+        try {
+            data?.close()
+        } catch (e: IOException) {
+            // Ignored.
+        }
+    }
+
+    override fun cancel() {
+        // Do nothing.
+    }
+
+    override fun getDataClass(): Class<InputStream> {
+        return InputStream::class.java
+    }
+
+    override fun getDataSource(): DataSource {
+        return DataSource.LOCAL
+    }
 }

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

@@ -0,0 +1,72 @@
+package eu.kanade.tachiyomi.data.glide
+
+import com.bumptech.glide.Priority
+import com.bumptech.glide.load.data.DataFetcher
+import eu.kanade.tachiyomi.data.database.models.Manga
+import java.io.File
+import java.io.FileNotFoundException
+import java.io.InputStream
+
+/**
+ * A [DataFetcher] for loading a cover of a library manga.
+ * It tries to load the cover from our custom cache, and if it's not found, it fallbacks to network
+ * and copies the result to the cache.
+ *
+ * @param networkFetcher the network fetcher for this cover.
+ * @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) {
+
+    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()
+                            }
+
+                            // 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)
+                        }
+                    } else {
+                        callback.onLoadFailed(Exception("Null data"))
+                    }
+                }
+
+                override fun onLoadFailed(e: Exception) {
+                    callback.onLoadFailed(e)
+                }
+
+            })
+        } else {
+            loadFromFile(callback)
+        }
+    }
+
+    override fun cleanup() {
+        super.cleanup()
+        networkFetcher.cleanup()
+    }
+
+    override fun cancel() {
+        super.cancel()
+        networkFetcher.cancel()
+    }
+
+}

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

@@ -1,18 +0,0 @@
-package eu.kanade.tachiyomi.data.glide
-
-import eu.kanade.tachiyomi.data.database.models.Manga
-import java.io.File
-
-open class MangaFileFetcher(private val file: File, private val manga: Manga) : FileFetcher(file) {
-
-    /**
-     * Returns the id for this manga's cover.
-     *
-     * Appending the file's modified date to the url, we can force Glide to skip its memory and disk
-     * lookup step and fetch from our custom cache. This allows us to invalidate Glide's cache when
-     * the file has changed. If the file doesn't exist it will append a 0.
-     */
-    override fun getId(): String {
-        return manga.thumbnail_url + file.lastModified()
-    }
-}

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

@@ -1,23 +1,24 @@
 package eu.kanade.tachiyomi.data.glide
 
-import android.content.Context
 import android.util.LruCache
-import com.bumptech.glide.Glide
 import com.bumptech.glide.integration.okhttp3.OkHttpStreamFetcher
-import com.bumptech.glide.load.data.DataFetcher
+import com.bumptech.glide.load.Options
 import com.bumptech.glide.load.model.*
-import com.bumptech.glide.load.model.stream.StreamModelLoader
 import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.network.NetworkHelper
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.online.HttpSource
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
 import java.io.File
 import java.io.InputStream
 
+
 /**
  * A class for loading a cover associated with a [Manga] that can be present in our own cache.
- * Coupled with [MangaUrlFetcher], this class allows to implement the following flow:
+ * Coupled with [LibraryMangaUrlFetcher], this class allows to implement the following flow:
  *
  * - Check in RAM LRU.
  * - Check in disk LRU.
@@ -26,7 +27,7 @@ import java.io.InputStream
  *
  * @param context the application context.
  */
-class MangaModelLoader(context: Context) : StreamModelLoader<Manga> {
+class MangaModelLoader : ModelLoader<Manga, InputStream> {
 
     /**
      * Cover cache where persistent covers are stored.
@@ -39,16 +40,15 @@ class MangaModelLoader(context: Context) : StreamModelLoader<Manga> {
     private val sourceManager: SourceManager by injectLazy()
 
     /**
-     * Base network loader.
+     * Default network client.
      */
-    private val baseUrlLoader = Glide.buildModelLoader(GlideUrl::class.java,
-            InputStream::class.java, context)
+    private val defaultClient = Injekt.get<NetworkHelper>().client
 
     /**
      * LRU cache whose key is the thumbnail url of the manga, and the value contains the request url
      * and the file where it should be stored in case the manga is a favorite.
      */
-    private val lruCache = LruCache<String, Pair<GlideUrl, File>>(100)
+    private val lruCache = LruCache<GlideUrl, File>(100)
 
     /**
      * Map where request headers are stored for a source.
@@ -60,12 +60,17 @@ class MangaModelLoader(context: Context) : StreamModelLoader<Manga> {
      */
     class Factory : ModelLoaderFactory<Manga, InputStream> {
 
-        override fun build(context: Context, factories: GenericLoaderFactory)
-                = MangaModelLoader(context)
+        override fun build(multiFactory: MultiModelLoaderFactory): ModelLoader<Manga, InputStream> {
+            return MangaModelLoader()
+        }
 
         override fun teardown() {}
     }
 
+    override fun handles(model: Manga): Boolean {
+        return true
+    }
+
     /**
      * Returns a fetcher for the given manga or null if the url is empty.
      *
@@ -73,10 +78,8 @@ class MangaModelLoader(context: Context) : StreamModelLoader<Manga> {
      * @param width the width of the view where the resource will be loaded.
      * @param height the height of the view where the resource will be loaded.
      */
-    override fun getResourceFetcher(manga: Manga,
-                                    width: Int,
-                                    height: Int): DataFetcher<InputStream>? {
-
+    override fun buildLoadData(manga: Manga, width: Int, height: Int,
+                               options: Options): ModelLoader.LoadData<InputStream>? {
         // Check thumbnail is not null or empty
         val url = manga.thumbnail_url
         if (url == null || url.isEmpty()) {
@@ -85,26 +88,28 @@ class MangaModelLoader(context: Context) : StreamModelLoader<Manga> {
 
         if (url.startsWith("http")) {
             val source = sourceManager.get(manga.source) as? HttpSource
-
-            // Obtain the request url and the file for this url from the LRU cache, or calculate it
-            // and add them to the cache.
-            val (glideUrl, file) = lruCache.get(url) ?:
-                    Pair(GlideUrl(url, getHeaders(manga, source)), coverCache.getCoverFile(url)).apply {
-                        lruCache.put(url, this)
-                    }
+            val glideUrl = GlideUrl(url, getHeaders(manga, source))
 
             // Get the resource fetcher for this request url.
-            val networkFetcher = source?.let { OkHttpStreamFetcher(it.client, glideUrl) }
-                ?: baseUrlLoader.getResourceFetcher(glideUrl, width, height)
+            val networkFetcher = OkHttpStreamFetcher(source?.client ?: defaultClient, glideUrl)
+
+            if (!manga.favorite) {
+                return ModelLoader.LoadData(glideUrl, networkFetcher)
+            }
+
+            // Obtain the file for this url from the LRU cache, or retrieve and add it to the cache.
+            val file = lruCache.getOrPut(glideUrl) { coverCache.getCoverFile(url) }
+
+            val libraryFetcher = LibraryMangaUrlFetcher(networkFetcher, manga, file)
 
             // Return an instance of the fetcher providing the needed elements.
-            return MangaUrlFetcher(networkFetcher, file, manga)
+            return ModelLoader.LoadData(MangaSignature(manga, file), libraryFetcher)
         } else {
             // Get the file from the url, removing the scheme if present.
             val file = File(url.substringAfter("file://"))
 
             // Return an instance of the fetcher providing the needed elements.
-            return MangaFileFetcher(file, manga)
+            return ModelLoader.LoadData(MangaSignature(manga, file), FileFetcher(file))
         }
     }
 
@@ -127,4 +132,15 @@ class MangaModelLoader(context: Context) : StreamModelLoader<Manga> {
         }
     }
 
+    private inline fun <K, V> LruCache<K, V>.getOrPut(key: K, defaultValue: () -> V): V {
+        val value = get(key)
+        return if (value == null) {
+            val answer = defaultValue()
+            put(key, answer)
+            answer
+        } else {
+            value
+        }
+    }
+
 }

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

@@ -0,0 +1,27 @@
+package eu.kanade.tachiyomi.data.glide
+
+import com.bumptech.glide.load.Key
+import eu.kanade.tachiyomi.data.database.models.Manga
+import java.io.File
+import java.security.MessageDigest
+
+class MangaSignature(manga: Manga, file: File) : Key {
+
+    private val key = manga.thumbnail_url + file.lastModified()
+
+    override fun equals(other: Any?): Boolean {
+        return if (other is MangaSignature) {
+            key == other.key
+        } else {
+            false
+        }
+    }
+
+    override fun hashCode(): Int {
+        return key.hashCode()
+    }
+
+    override fun updateDiskCacheKey(md: MessageDigest) {
+        md.update(key.toByteArray(Key.CHARSET))
+    }
+}

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

@@ -1,71 +0,0 @@
-package eu.kanade.tachiyomi.data.glide
-
-import com.bumptech.glide.Priority
-import com.bumptech.glide.load.data.DataFetcher
-import eu.kanade.tachiyomi.data.database.models.Manga
-import java.io.File
-import java.io.FileNotFoundException
-import java.io.InputStream
-
-/**
- * A [DataFetcher] for loading a cover of a manga depending on its favorite status.
- * If the manga is favorite, it tries to load the cover from our cache, and if it's not found, it
- * fallbacks to network and copies it to the cache.
- * If the manga is not favorite, it tries to delete the cover from our cache and always fallback
- * to network for fetching.
- *
- * @param networkFetcher the network fetcher for this cover.
- * @param file the file where this cover should be. It may exists or not.
- * @param manga the manga of the cover to load.
- */
-class MangaUrlFetcher(private val networkFetcher: DataFetcher<InputStream>,
-                      private val file: File,
-                      private val manga: Manga)
-: MangaFileFetcher(file, manga) {
-
-    override fun loadData(priority: Priority): InputStream {
-        if (manga.favorite) {
-            synchronized(file) {
-                if (!file.exists()) {
-                    val tmpFile = File(file.path + ".tmp")
-                    try {
-                        // Retrieve source stream.
-                        val input = networkFetcher.loadData(priority)
-                                ?: throw Exception("Couldn't open source stream")
-
-                        // 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.
-                        input.use { output.use { input.copyTo(output) } }
-                        tmpFile.renameTo(file)
-                    } catch (e: Exception) {
-                        tmpFile.delete()
-                        throw e
-                    }
-                }
-            }
-            return super.loadData(priority)
-        } else {
-            if (file.exists()) {
-                file.delete()
-            }
-            return networkFetcher.loadData(priority)
-        }
-    }
-
-    override fun cancel() {
-        networkFetcher.cancel()
-    }
-
-    override fun cleanup() {
-        super.cleanup()
-        networkFetcher.cleanup()
-    }
-
-}

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

@@ -1,12 +1,18 @@
 package eu.kanade.tachiyomi.data.glide
 
 import android.content.Context
+import android.graphics.drawable.Drawable
 import com.bumptech.glide.Glide
 import com.bumptech.glide.GlideBuilder
+import com.bumptech.glide.Registry
+import com.bumptech.glide.annotation.GlideModule
 import com.bumptech.glide.integration.okhttp3.OkHttpUrlLoader
+import com.bumptech.glide.load.DecodeFormat
 import com.bumptech.glide.load.engine.cache.InternalCacheDiskCacheFactory
 import com.bumptech.glide.load.model.GlideUrl
-import com.bumptech.glide.module.GlideModule
+import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
+import com.bumptech.glide.module.AppGlideModule
+import com.bumptech.glide.request.RequestOptions
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.network.NetworkHelper
 import uy.kohesive.injekt.Injekt
@@ -16,17 +22,20 @@ import java.io.InputStream
 /**
  * Class used to update Glide module settings
  */
-class AppGlideModule : GlideModule {
+@GlideModule
+class TachiGlideModule : AppGlideModule() {
 
     override fun applyOptions(context: Context, builder: GlideBuilder) {
-        // Set the cache size of Glide to 15 MiB
-        builder.setDiskCache(InternalCacheDiskCacheFactory(context, 15 * 1024 * 1024))
+        builder.setDiskCache(InternalCacheDiskCacheFactory(context, 50 * 1024 * 1024))
+        builder.setDefaultRequestOptions(RequestOptions().format(DecodeFormat.PREFER_RGB_565))
+        builder.setDefaultTransitionOptions(Drawable::class.java,
+                DrawableTransitionOptions.withCrossFade())
     }
 
-    override fun registerComponents(context: Context, glide: Glide) {
+    override fun registerComponents(context: Context, glide: Glide, registry: Registry) {
         val networkFactory = OkHttpUrlLoader.Factory(Injekt.get<NetworkHelper>().client)
 
-        glide.register(GlideUrl::class.java, InputStream::class.java, networkFactory)
-        glide.register(Manga::class.java, InputStream::class.java, MangaModelLoader.Factory())
+        registry.replace(GlideUrl::class.java, InputStream::class.java, networkFactory)
+        registry.append(Manga::class.java, InputStream::class.java, MangaModelLoader.Factory())
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateJob.kt

@@ -34,7 +34,6 @@ class LibraryUpdateJob : Job() {
                         .setRequiredNetworkType(wifiRestriction)
                         .setRequiresCharging(acRestriction)
                         .setRequirementsEnforced(true)
-                        .setPersisted(true)
                         .setUpdateCurrent(true)
                         .build()
                         .schedule()

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -10,16 +10,17 @@ import android.os.Build
 import android.os.IBinder
 import android.os.PowerManager
 import android.support.v4.app.NotificationCompat
-import eu.kanade.tachiyomi.Constants
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Category
 import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.download.DownloadService
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService.Companion.start
 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.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.track.TrackManager
@@ -80,10 +81,12 @@ class LibraryUpdateService(
     /**
      * Cached progress notification to avoid creating a lot.
      */
-    private val progressNotification by lazy { NotificationCompat.Builder(this)
+    private val progressNotification by lazy { NotificationCompat.Builder(this, Notifications.CHANNEL_LIBRARY)
+            .setContentTitle(getString(R.string.app_name))
             .setSmallIcon(R.drawable.ic_refresh_white_24dp_img)
             .setLargeIcon(notificationBitmap)
             .setOngoing(true)
+            .setOnlyAlertOnce(true)
             .addAction(R.drawable.ic_clear_grey_24dp_img, getString(android.R.string.cancel), cancelIntent)
     }
 
@@ -132,7 +135,11 @@ class LibraryUpdateService(
                     putExtra(KEY_TARGET, target)
                     category?.let { putExtra(KEY_CATEGORY, it.id) }
                 }
-                context.startService(intent)
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+                    context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
             }
         }
 
@@ -153,6 +160,7 @@ class LibraryUpdateService(
      */
     override fun onCreate() {
         super.onCreate()
+        startForeground(Notifications.ID_LIBRARY_PROGRESS, progressNotification.build())
         wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager).newWakeLock(
                 PowerManager.PARTIAL_WAKE_LOCK, "LibraryUpdateService:WakeLock")
         wakeLock.acquire()
@@ -224,7 +232,7 @@ class LibraryUpdateService(
      * @param target the target to update.
      * @return a list of manga to update
      */
-    fun getMangaToUpdate(intent: Intent, target: Target): List<Manga> {
+    fun getMangaToUpdate(intent: Intent, target: Target): List<LibraryManga> {
         val categoryId = intent.getIntExtra(KEY_CATEGORY, -1)
 
         var listToUpdate = if (categoryId != -1)
@@ -255,7 +263,7 @@ class LibraryUpdateService(
      * @param mangaToUpdate the list to update
      * @return an observable delivering the progress of each update.
      */
-    fun updateChapterList(mangaToUpdate: List<Manga>): Observable<Manga> {
+    fun updateChapterList(mangaToUpdate: List<LibraryManga>): Observable<LibraryManga> {
         // Initialize the variables holding the progress of the updates.
         val count = AtomicInteger(0)
         // List containing new updates
@@ -279,7 +287,7 @@ class LibraryUpdateService(
                             // If there's any error, return empty update and continue.
                             .onErrorReturn {
                                 failedUpdates.add(manga)
-                                Pair(emptyList<Chapter>(), emptyList<Chapter>())
+                                Pair(emptyList(), emptyList())
                             }
                             // Filter out mangas without new chapters (or failed).
                             .filter { pair -> pair.first.isNotEmpty() }
@@ -325,7 +333,9 @@ class LibraryUpdateService(
         val dbChapters = chapters.map {
             mangaChapters.find { mangaChapter -> mangaChapter.url == it.url }!!
         }
-        downloadManager.downloadChapters(manga, dbChapters)
+        // We don't want to start downloading while the library is updating, because websites
+        // may don't like it and they could ban the user.
+        downloadManager.downloadChapters(manga, dbChapters, false)
     }
 
     /**
@@ -347,7 +357,7 @@ class LibraryUpdateService(
      * @param mangaToUpdate the list to update
      * @return an observable delivering the progress of each update.
      */
-    fun updateDetails(mangaToUpdate: List<Manga>): Observable<Manga> {
+    fun updateDetails(mangaToUpdate: List<LibraryManga>): Observable<LibraryManga> {
         // Initialize the variables holding the progress of the updates.
         val count = AtomicInteger(0)
 
@@ -358,7 +368,7 @@ class LibraryUpdateService(
                 // Update the details of the manga.
                 .concatMap { manga ->
                     val source = sourceManager.get(manga.source) as? HttpSource
-                            ?: return@concatMap Observable.empty<Manga>()
+                            ?: return@concatMap Observable.empty<LibraryManga>()
 
                     source.fetchMangaDetails(manga)
                             .map { networkManga ->
@@ -377,7 +387,7 @@ class LibraryUpdateService(
      * Method that updates the metadata of the connected tracking services. It's called in a
      * background thread, so it's safe to do heavy operations or network calls here.
      */
-    private fun updateTrackings(mangaToUpdate: List<Manga>): Observable<Manga> {
+    private fun updateTrackings(mangaToUpdate: List<LibraryManga>): Observable<LibraryManga> {
         // Initialize the variables holding the progress of the updates.
         var count = 0
 
@@ -417,7 +427,7 @@ class LibraryUpdateService(
      * @param total the total progress.
      */
     private fun showProgressNotification(manga: Manga, current: Int, total: Int) {
-        notificationManager.notify(Constants.NOTIFICATION_LIBRARY_PROGRESS_ID, progressNotification
+        notificationManager.notify(Notifications.ID_LIBRARY_PROGRESS, progressNotification
                 .setContentTitle(manga.title)
                 .setProgress(total, current, false)
                 .build())
@@ -434,7 +444,7 @@ class LibraryUpdateService(
         // Append new chapters from a previous, existing notification
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             val previousNotification = notificationManager.activeNotifications
-                    .find { it.id == Constants.NOTIFICATION_LIBRARY_RESULT_ID }
+                    .find { it.id == Notifications.ID_LIBRARY_RESULT }
 
             if (previousNotification != null) {
                 val oldUpdates = previousNotification.notification.extras
@@ -446,7 +456,7 @@ class LibraryUpdateService(
             }
         }
 
-        notificationManager.notify(Constants.NOTIFICATION_LIBRARY_RESULT_ID, notification {
+        notificationManager.notify(Notifications.ID_LIBRARY_RESULT, notification(Notifications.CHANNEL_LIBRARY) {
             setSmallIcon(R.drawable.ic_book_white_24dp)
             setLargeIcon(notificationBitmap)
             setContentTitle(getString(R.string.notification_new_chapters))
@@ -466,7 +476,7 @@ class LibraryUpdateService(
      * Cancels the progress notification.
      */
     private fun cancelProgressNotification() {
-        notificationManager.cancel(Constants.NOTIFICATION_LIBRARY_PROGRESS_ID)
+        notificationManager.cancel(Notifications.ID_LIBRARY_PROGRESS)
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationHandler.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.data.notification
 import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
+import android.net.Uri
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.util.getUriCompat
 import java.io.File
@@ -43,11 +44,10 @@ object NotificationHandler {
      * Returns [PendingIntent] that prompts user with apk install intent
      *
      * @param context context
-     * @param file file of apk that is installed
+     * @param uri uri of apk that is installed
      */
-    fun installApkPendingActivity(context: Context, file: File): PendingIntent {
+    fun installApkPendingActivity(context: Context, uri: Uri): PendingIntent {
         val intent = Intent(Intent.ACTION_VIEW).apply {
-            val uri = file.getUriCompat(context)
             setDataAndType(uri, "application/vnd.android.package-archive")
             flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
         }

app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt

@@ -5,7 +5,6 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.os.Handler
-import eu.kanade.tachiyomi.Constants
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Chapter
@@ -41,6 +40,8 @@ class NotificationReceiver : BroadcastReceiver() {
             ACTION_RESUME_DOWNLOADS -> DownloadService.start(context)
             // Clear the download queue
             ACTION_CLEAR_DOWNLOADS -> downloadManager.clearQueue(true)
+            // Show message notification created
+            ACTION_SHORTCUT_CREATED -> context.toast(R.string.shortcut_created)
             // Launch share activity and dismiss notification
             ACTION_SHARE_IMAGE -> shareImage(context, intent.getStringExtra(EXTRA_FILE_LOCATION),
                     intent.getIntExtra(EXTRA_NOTIFICATION_ID, -1))
@@ -48,7 +49,7 @@ class NotificationReceiver : BroadcastReceiver() {
             ACTION_DELETE_IMAGE -> deleteImage(context, intent.getStringExtra(EXTRA_FILE_LOCATION),
                     intent.getIntExtra(EXTRA_NOTIFICATION_ID, -1))
             // Cancel library update and dismiss notification
-            ACTION_CANCEL_LIBRARY_UPDATE -> cancelLibraryUpdate(context, Constants.NOTIFICATION_LIBRARY_PROGRESS_ID)
+            ACTION_CANCEL_LIBRARY_UPDATE -> cancelLibraryUpdate(context, Notifications.ID_LIBRARY_PROGRESS)
             // Open reader activity
             ACTION_OPEN_CHAPTER -> {
                 openChapter(context, intent.getLongExtra(EXTRA_MANGA_ID, -1),
@@ -161,6 +162,9 @@ class NotificationReceiver : BroadcastReceiver() {
         // Called to clear downloads.
         private const val ACTION_CLEAR_DOWNLOADS = "$ID.$NAME.ACTION_CLEAR_DOWNLOADS"
 
+        // Called to notify user shortcut is created.
+        private const val ACTION_SHORTCUT_CREATED = "$ID.$NAME.ACTION_SHORTCUT_CREATED"
+
         // Called to dismiss notification.
         private const val ACTION_DISMISS_NOTIFICATION = "$ID.$NAME.ACTION_DISMISS_NOTIFICATION"
 
@@ -199,6 +203,13 @@ class NotificationReceiver : BroadcastReceiver() {
             return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
         }
 
+        internal fun shortcutCreatedBroadcast(context: Context) : PendingIntent {
+            val intent = Intent(context, NotificationReceiver::class.java).apply {
+                action = ACTION_SHORTCUT_CREATED
+            }
+            return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+        }
+
         /**
          * Returns [PendingIntent] that starts a service which dismissed the notification
          *

app/src/main/java/eu/kanade/tachiyomi/data/notification/Notifications.kt

@@ -0,0 +1,54 @@
+package eu.kanade.tachiyomi.data.notification
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import android.os.Build
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.util.notificationManager
+
+/**
+ * Class to manage the basic information of all the notifications used in the app.
+ */
+object Notifications {
+
+    /**
+     * Common notification channel and ids used anywhere.
+     */
+    const val CHANNEL_COMMON = "common_channel"
+    const val ID_UPDATER = 1
+    const val ID_DOWNLOAD_IMAGE = 2
+
+    /**
+     * Notification channel and ids used by the library updater.
+     */
+    const val CHANNEL_LIBRARY = "library_channel"
+    const val ID_LIBRARY_PROGRESS = 101
+    const val ID_LIBRARY_RESULT = 102
+
+    /**
+     * Notification channel and ids used by the downloader.
+     */
+    const val CHANNEL_DOWNLOADER = "downloader_channel"
+    const val ID_DOWNLOAD_CHAPTER = 201
+    const val ID_DOWNLOAD_CHAPTER_ERROR = 202
+
+    /**
+     * Creates the notification channels introduced in Android Oreo.
+     *
+     * @param context The application context.
+     */
+    fun createChannels(context: Context) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
+
+        val channels = listOf(
+                NotificationChannel(CHANNEL_COMMON, context.getString(R.string.channel_common),
+                        NotificationManager.IMPORTANCE_LOW),
+                NotificationChannel(CHANNEL_LIBRARY, context.getString(R.string.channel_library),
+                        NotificationManager.IMPORTANCE_LOW),
+                NotificationChannel(CHANNEL_DOWNLOADER, context.getString(R.string.channel_downloader),
+                        NotificationManager.IMPORTANCE_LOW)
+        )
+        context.notificationManager.createNotificationChannels(channels)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/preference/EmptyPreferenceDataStore.kt

@@ -0,0 +1,48 @@
+package eu.kanade.tachiyomi.data.preference
+
+import android.support.v7.preference.PreferenceDataStore
+
+class EmptyPreferenceDataStore : PreferenceDataStore() {
+
+    override fun getBoolean(key: String?, defValue: Boolean): Boolean {
+        return false
+    }
+
+    override fun putBoolean(key: String?, value: Boolean) {
+    }
+
+    override fun getInt(key: String?, defValue: Int): Int {
+        return 0
+    }
+
+    override fun putInt(key: String?, value: Int) {
+    }
+
+    override fun getLong(key: String?, defValue: Long): Long {
+        return 0
+    }
+
+    override fun putLong(key: String?, value: Long) {
+    }
+
+    override fun getFloat(key: String?, defValue: Float): Float {
+        return 0f
+    }
+
+    override fun putFloat(key: String?, value: Float) {
+    }
+
+    override fun getString(key: String?, defValue: String?): String? {
+        return null
+    }
+
+    override fun putString(key: String?, value: String?) {
+    }
+
+    override fun getStringSet(key: String?, defValues: Set<String>?): Set<String>? {
+        return null
+    }
+
+    override fun putStringSet(key: String?, values: Set<String>?) {
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -11,6 +11,8 @@ object PreferenceKeys {
 
     const val enableTransitions = "pref_enable_transitions_key"
 
+    const val doubleTapAnimationSpeed = "pref_double_tap_anim_speed"
+
     const val showPageNumber = "pref_show_page_number_key"
 
     const val fullscreen = "fullscreen"
@@ -65,8 +67,6 @@ object PreferenceKeys {
 
     const val downloadsDirectory = "download_directory"
 
-    const val downloadThreads = "pref_download_slots_key"
-
     const val downloadOnlyOverWifi = "pref_download_only_over_wifi_key"
 
     const val numberOfBackups = "backup_slots"
@@ -105,10 +105,16 @@ object PreferenceKeys {
 
     const val defaultCategory = "default_category"
 
+    const val downloadBadge = "display_download_badge"
+
+    @Deprecated("Use the preferences of the source")
     fun sourceUsername(sourceId: Long) = "pref_source_username_$sourceId"
 
+    @Deprecated("Use the preferences of the source")
     fun sourcePassword(sourceId: Long) = "pref_source_password_$sourceId"
 
+    fun sourceSharedPref(sourceId: Long) = "source_$sourceId"
+
     fun trackUsername(syncId: Int) = "pref_mangasync_username_$syncId"
 
     fun trackPassword(syncId: Int) = "pref_mangasync_password_$syncId"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -39,6 +39,8 @@ class PreferencesHelper(val context: Context) {
 
     fun pageTransitions() = rxPrefs.getBoolean(Keys.enableTransitions, true)
 
+    fun doubleTapAnimSpeed() = rxPrefs.getInteger(Keys.doubleTapAnimationSpeed, 500)
+
     fun showPageNumber() = rxPrefs.getBoolean(Keys.showPageNumber, true)
 
     fun fullscreen() = rxPrefs.getBoolean(Keys.fullscreen, true)
@@ -121,8 +123,6 @@ class PreferencesHelper(val context: Context) {
 
     fun downloadsDirectory() = rxPrefs.getString(Keys.downloadsDirectory, defaultDownloadsDir.toString())
 
-    fun downloadThreads() = rxPrefs.getInteger(Keys.downloadThreads, 1)
-
     fun downloadOnlyOverWifi() = prefs.getBoolean(Keys.downloadOnlyOverWifi, true)
 
     fun numberOfBackups() = rxPrefs.getInteger(Keys.numberOfBackups, 1)
@@ -141,6 +141,8 @@ class PreferencesHelper(val context: Context) {
 
     fun libraryAsList() = rxPrefs.getBoolean(Keys.libraryAsList, false)
 
+    fun downloadBadge() = rxPrefs.getBoolean(Keys.downloadBadge, false)
+
     fun filterDownloaded() = rxPrefs.getBoolean(Keys.filterDownloaded, false)
 
     fun filterUnread() = rxPrefs.getBoolean(Keys.filterUnread, false)
@@ -163,4 +165,7 @@ class PreferencesHelper(val context: Context) {
 
     fun defaultCategory() = prefs.getInt(Keys.defaultCategory, -1)
 
+    fun migrateFlags() = rxPrefs.getInteger("migrate_flags", Int.MAX_VALUE)
+
+    fun trustedSignatures() = rxPrefs.getStringSet("trusted_signatures", emptySet())
 }

app/src/main/java/eu/kanade/tachiyomi/data/preference/SharedPreferencesDataStore.kt

@@ -0,0 +1,55 @@
+package eu.kanade.tachiyomi.data.preference
+
+import android.content.SharedPreferences
+import android.support.v7.preference.PreferenceDataStore
+
+class SharedPreferencesDataStore(private val prefs: SharedPreferences) : PreferenceDataStore() {
+
+    override fun getBoolean(key: String?, defValue: Boolean): Boolean {
+        return prefs.getBoolean(key, defValue)
+    }
+
+    override fun putBoolean(key: String?, value: Boolean) {
+        prefs.edit().putBoolean(key, value).apply()
+    }
+
+    override fun getInt(key: String?, defValue: Int): Int {
+        return prefs.getInt(key, defValue)
+    }
+
+    override fun putInt(key: String?, value: Int) {
+        prefs.edit().putInt(key, value).apply()
+    }
+
+    override fun getLong(key: String?, defValue: Long): Long {
+        return prefs.getLong(key, defValue)
+    }
+
+    override fun putLong(key: String?, value: Long) {
+        prefs.edit().putLong(key, value).apply()
+    }
+
+    override fun getFloat(key: String?, defValue: Float): Float {
+        return prefs.getFloat(key, defValue)
+    }
+
+    override fun putFloat(key: String?, value: Float) {
+        prefs.edit().putFloat(key, value).apply()
+    }
+
+    override fun getString(key: String?, defValue: String?): String? {
+        return prefs.getString(key, defValue)
+    }
+
+    override fun putString(key: String?, value: String?) {
+        prefs.edit().putString(key, value).apply()
+    }
+
+    override fun getStringSet(key: String?, defValues: MutableSet<String>?): MutableSet<String> {
+        return prefs.getStringSet(key, defValues)
+    }
+
+    override fun putStringSet(key: String?, values: MutableSet<String>?) {
+        prefs.edit().putStringSet(key, values).apply()
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/track/TrackService.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.data.track
 import android.support.annotation.CallSuper
 import android.support.annotation.DrawableRes
 import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.network.NetworkHelper
 import okhttp3.OkHttpClient
@@ -44,7 +45,7 @@ abstract class TrackService(val id: Int) {
 
     abstract fun bind(track: Track): Observable<Track>
 
-    abstract fun search(query: String): Observable<List<Track>>
+    abstract fun search(query: String): Observable<List<TrackSearch>>
 
     abstract fun refresh(track: Track): Observable<Track>
 

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/Anilist.kt

@@ -6,6 +6,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.track.TrackService
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import rx.Completable
 import rx.Observable
 
@@ -120,7 +121,7 @@ class Anilist(private val context: Context, id: Int) : TrackService(id) {
                 }
     }
 
-    override fun search(query: String): Observable<List<Track>> {
+    override fun search(query: String): Observable<List<TrackSearch>> {
         return api.search(query)
     }
 

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/AnilistApi.kt

@@ -5,6 +5,7 @@ import com.github.salomonbrys.kotson.int
 import com.github.salomonbrys.kotson.string
 import com.google.gson.JsonObject
 import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.network.POST
 import okhttp3.FormBody
 import okhttp3.OkHttpClient
@@ -46,7 +47,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
                 }
     }
 
-    fun search(query: String): Observable<List<Track>> {
+    fun search(query: String): Observable<List<TrackSearch>> {
         return rest.search(query, 1)
                 .map { list ->
                     list.filter { it.type != "Novel" }.map { it.toTrack() }
@@ -140,6 +141,11 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
         private const val clientSecret = "nlGB5OmgE9YWq5dr3gIDbTQV0C"
         private const val clientUrl = "tachiyomi://anilist-auth"
         private const val baseUrl = "https://anilist.co/api/"
+        private const val baseMangaUrl = "https://anilist.co/manga/"
+
+        fun mangaUrl(remoteId: Int): String {
+            return baseMangaUrl + remoteId
+        }
 
         fun authUrl() = Uri.parse("${baseUrl}auth/authorize").buildUpon()
                 .appendQueryParameter("grant_type", "authorization_code")

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/AnilistModels.kt

@@ -1,21 +1,44 @@
 package eu.kanade.tachiyomi.data.track.anilist
 
+import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.data.database.models.Track
 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.data.track.model.TrackSearch
 import uy.kohesive.injekt.injectLazy
+import java.text.SimpleDateFormat
+import java.util.*
 
 data class ALManga(
         val id: Int,
         val title_romaji: String,
+        val image_url_lge: String,
+        val description: String?,
         val type: String,
+        val publishing_status: String,
+        val start_date_fuzzy: String,
         val total_chapters: Int) {
 
-    fun toTrack() = Track.create(TrackManager.ANILIST).apply {
+    fun toTrack() = TrackSearch.create(TrackManager.ANILIST).apply {
         remote_id = this@ALManga.id
         title = title_romaji
         total_chapters = this@ALManga.total_chapters
+        cover_url = image_url_lge
+        summary = description ?: ""
+        tracking_url = AnilistApi.mangaUrl(remote_id)
+        publishing_status = this@ALManga.publishing_status
+        publishing_type = type
+        if (!start_date_fuzzy.isNullOrBlank()) {
+            start_date = try {
+                val inputDf = SimpleDateFormat("yyyyMMdd", Locale.US)
+                val outputDf = SimpleDateFormat("yyyy-MM-dd", Locale.US)
+                val date = inputDf.parse(BuildConfig.BUILD_TIME)
+                outputDf.format(date)
+            } catch (e: Exception) {
+                start_date_fuzzy.orEmpty()
+            }
+        }
     }
 }
 
@@ -60,11 +83,11 @@ fun Track.toAnilistStatus() = when (status) {
 private val preferences: PreferencesHelper by injectLazy()
 
 fun Track.toAnilistScore(): String = when (preferences.anilistScoreType().getOrDefault()) {
-    // 10 point
+// 10 point
     0 -> (score.toInt() / 10).toString()
-    // 100 point
+// 100 point
     1 -> score.toInt().toString()
-    // 5 stars
+// 5 stars
     2 -> when {
         score == 0f -> "0"
         score < 30 -> "1"
@@ -73,14 +96,14 @@ fun Track.toAnilistScore(): String = when (preferences.anilistScoreType().getOrD
         score < 90 -> "4"
         else -> "5"
     }
-    // Smiley
+// Smiley
     3 -> when {
         score == 0f -> "0"
         score <= 30 -> ":("
         score <= 60 -> ":|"
         else -> ":)"
     }
-    // 10 point decimal
+// 10 point decimal
     4 -> (score / 10).toString()
     else -> throw Exception("Unknown score type")
 }

app/src/main/java/eu/kanade/tachiyomi/data/track/kitsu/Kitsu.kt

@@ -6,6 +6,7 @@ import com.google.gson.Gson
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.TrackService
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import rx.Completable
 import rx.Observable
 import uy.kohesive.injekt.injectLazy
@@ -96,7 +97,7 @@ class Kitsu(private val context: Context, id: Int) : TrackService(id) {
                 }
     }
 
-    override fun search(query: String): Observable<List<Track>> {
+    override fun search(query: String): Observable<List<TrackSearch>> {
         return api.search(query)
     }
 

app/src/main/java/eu/kanade/tachiyomi/data/track/kitsu/KitsuApi.kt

@@ -4,6 +4,7 @@ import com.github.salomonbrys.kotson.*
 import com.google.gson.GsonBuilder
 import com.google.gson.JsonObject
 import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.network.POST
 import okhttp3.FormBody
 import okhttp3.OkHttpClient
@@ -27,25 +28,25 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
         return Observable.defer {
             // @formatter:off
             val data = jsonObject(
-                "type" to "libraryEntries",
-                "attributes" to jsonObject(
-                    "status" to track.toKitsuStatus(),
-                    "progress" to track.last_chapter_read
-                ),
-                "relationships" to jsonObject(
-                    "user" to jsonObject(
-                        "data" to jsonObject(
-                            "id" to userId,
-                            "type" to "users"
-                        )
+                    "type" to "libraryEntries",
+                    "attributes" to jsonObject(
+                            "status" to track.toKitsuStatus(),
+                            "progress" to track.last_chapter_read
                     ),
-                    "media" to jsonObject(
-                        "data" to jsonObject(
-                            "id" to track.remote_id,
-                            "type" to "manga"
-                        )
+                    "relationships" to jsonObject(
+                            "user" to jsonObject(
+                                    "data" to jsonObject(
+                                            "id" to userId,
+                                            "type" to "users"
+                                    )
+                            ),
+                            "media" to jsonObject(
+                                    "data" to jsonObject(
+                                            "id" to track.remote_id,
+                                            "type" to "manga"
+                                    )
+                            )
                     )
-                )
             )
             // @formatter:on
 
@@ -61,13 +62,13 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
         return Observable.defer {
             // @formatter:off
             val data = jsonObject(
-                "type" to "libraryEntries",
-                "id" to track.remote_id,
-                "attributes" to jsonObject(
-                    "status" to track.toKitsuStatus(),
-                    "progress" to track.last_chapter_read,
-                    "ratingTwenty" to track.toKitsuScore()
-                )
+                    "type" to "libraryEntries",
+                    "id" to track.remote_id,
+                    "attributes" to jsonObject(
+                            "status" to track.toKitsuStatus(),
+                            "progress" to track.last_chapter_read,
+                            "ratingTwenty" to track.toKitsuScore()
+                    )
             )
             // @formatter:on
 
@@ -76,7 +77,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
         }
     }
 
-    fun search(query: String): Observable<List<Track>> {
+    fun search(query: String): Observable<List<TrackSearch>> {
         return rest.search(query)
                 .map { json ->
                     val data = json["data"].array
@@ -186,6 +187,11 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
         private const val clientSecret = "54d7307928f63414defd96399fc31ba847961ceaecef3a5fd93144e960c0e151"
         private const val baseUrl = "https://kitsu.io/api/edge/"
         private const val loginUrl = "https://kitsu.io/api/"
+        private const val baseMangaUrl = "https://kitsu.io/manga/"
+
+        fun mangaUrl(remoteId: Int): String {
+            return baseMangaUrl + remoteId
+        }
 
 
         fun refreshTokenRequest(token: String) = POST("${loginUrl}oauth/token",

app/src/main/java/eu/kanade/tachiyomi/data/track/kitsu/KitsuModels.kt

@@ -5,24 +5,35 @@ import com.github.salomonbrys.kotson.*
 import com.google.gson.JsonObject
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 
 open class KitsuManga(obj: JsonObject) {
     val id by obj.byInt
     val canonicalTitle by obj["attributes"].byString
     val chapterCount = obj["attributes"].obj.get("chapterCount").nullInt
-    val type = obj["attributes"].obj.get("mangaType").nullString
+    val type = obj["attributes"].obj.get("mangaType").nullString.orEmpty()
+    val original by obj["attributes"].obj["posterImage"].byString
+    val synopsis by obj["attributes"].byString
+    val startDate = obj["attributes"].obj.get("startDate").nullString.orEmpty()
+    open val status = obj["attributes"].obj.get("status").nullString.orEmpty()
 
     @CallSuper
-    open fun toTrack() = Track.create(TrackManager.KITSU).apply {
+    open fun toTrack() = TrackSearch.create(TrackManager.KITSU).apply {
         remote_id = this@KitsuManga.id
         title = canonicalTitle
         total_chapters = chapterCount ?: 0
+        cover_url = original
+        summary = synopsis
+        tracking_url = KitsuApi.mangaUrl(remote_id)
+        publishing_status = this@KitsuManga.status
+        publishing_type = type
+        start_date = startDate.orEmpty()
     }
 }
 
 class KitsuLibManga(obj: JsonObject, manga: JsonObject) : KitsuManga(manga) {
     val remoteId by obj.byInt("id")
-    val status by obj["attributes"].byString
+    override val status by obj["attributes"].byString
     val ratingTwenty = obj["attributes"].obj.get("ratingTwenty").nullString
     val progress by obj["attributes"].byInt
 

app/src/main/java/eu/kanade/tachiyomi/data/track/model/TrackSearch.kt

@@ -0,0 +1,62 @@
+package eu.kanade.tachiyomi.data.track.model
+
+import eu.kanade.tachiyomi.data.database.models.Track
+
+class TrackSearch : Track {
+
+    override var id: Long? = null
+
+    override var manga_id: Long = 0
+
+    override var sync_id: Int = 0
+
+    override var remote_id: Int = 0
+
+    override lateinit var title: String
+
+    override var last_chapter_read: Int = 0
+
+    override var total_chapters: Int = 0
+
+    override var score: Float = 0f
+
+    override var status: Int = 0
+
+    override lateinit var tracking_url: String
+
+    var cover_url: String = ""
+
+    var summary: String = ""
+
+    var publishing_status: String = ""
+
+    var publishing_type: String = ""
+
+    var start_date: String = ""
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        other as Track
+
+        if (manga_id != other.manga_id) return false
+        if (sync_id != other.sync_id) return false
+        return remote_id == other.remote_id
+    }
+
+    override fun hashCode(): Int {
+        var result = (manga_id xor manga_id.ushr(32)).toInt()
+        result = 31 * result + sync_id
+        result = 31 * result + remote_id
+        return result
+    }
+    companion object {
+
+        fun create(serviceId: Int): TrackSearch = TrackSearch().apply {
+            sync_id = serviceId
+        }
+
+    }
+
+}

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyAnimeList.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.graphics.Color
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.data.track.TrackService
 import rx.Completable
 import rx.Observable
@@ -81,7 +82,7 @@ class Myanimelist(private val context: Context, id: Int) : TrackService(id) {
                 }
     }
 
-    override fun search(query: String): Observable<List<Track>> {
+    override fun search(query: String): Observable<List<TrackSearch>> {
         return api.search(query, getUsername())
     }
 

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyanimelistApi.kt

@@ -4,6 +4,7 @@ import android.net.Uri
 import android.util.Xml
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.POST
 import eu.kanade.tachiyomi.network.asObservable
@@ -12,6 +13,7 @@ import eu.kanade.tachiyomi.util.selectInt
 import eu.kanade.tachiyomi.util.selectText
 import okhttp3.*
 import org.jsoup.Jsoup
+import org.jsoup.parser.Parser
 import org.xmlpull.v1.XmlSerializer
 import rx.Observable
 import java.io.StringWriter
@@ -36,7 +38,7 @@ class MyanimelistApi(private val client: OkHttpClient, username: String, passwor
         }
     }
 
-    fun search(query: String, username: String): Observable<List<Track>> {
+    fun search(query: String, username: String): Observable<List<TrackSearch>> {
         return if (query.startsWith(PREFIX_MY)) {
             val realQuery = query.substring(PREFIX_MY.length).toLowerCase().trim()
             getList(username)
@@ -46,34 +48,42 @@ class MyanimelistApi(private val client: OkHttpClient, username: String, passwor
         } else {
             client.newCall(GET(getSearchUrl(query), headers))
                     .asObservable()
-                    .map { Jsoup.parse(it.body()!!.string()) }
+                    .map { Jsoup.parse(Parser.unescapeEntities(it.body()!!.string(), false), "", Parser.xmlParser()) }
                     .flatMap { Observable.from(it.select("entry")) }
                     .filter { it.select("type").text() != "Novel" }
                     .map {
-                        Track.create(TrackManager.MYANIMELIST).apply {
+                        TrackSearch.create(TrackManager.MYANIMELIST).apply {
                             title = it.selectText("title")!!
                             remote_id = it.selectInt("id")
                             total_chapters = it.selectInt("chapters")
+                            summary = it.selectText("synopsis")!!
+                            cover_url = it.selectText("image")!!
+                            tracking_url = MyanimelistApi.mangaUrl(remote_id)
+                            publishing_status = it.selectText("status")!!
+                            publishing_type = it.selectText("type")!!
+                            start_date = it.selectText("start_date")!!
                         }
                     }
                     .toList()
         }
     }
 
-    fun getList(username: String): Observable<List<Track>> {
+    fun getList(username: String): Observable<List<TrackSearch>> {
         return client
                 .newCall(GET(getListUrl(username), headers))
                 .asObservable()
-                .map { Jsoup.parse(it.body()!!.string()) }
+                .map { Jsoup.parse(Parser.unescapeEntities(it.body()!!.string(), false), "", Parser.xmlParser()) }
                 .flatMap { Observable.from(it.select("manga")) }
                 .map {
-                    Track.create(TrackManager.MYANIMELIST).apply {
+                    TrackSearch.create(TrackManager.MYANIMELIST).apply {
                         title = it.selectText("series_title")!!
                         remote_id = it.selectInt("series_mangadb_id")
                         last_chapter_read = it.selectInt("my_read_chapters")
                         status = it.selectInt("my_status")
                         score = it.selectInt("my_score").toFloat()
                         total_chapters = it.selectInt("series_chapters")
+                        cover_url = it.selectText("series_image")!!
+                        tracking_url = MyanimelistApi.mangaUrl(remote_id)
                     }
                 }
                 .toList()
@@ -176,6 +186,11 @@ class MyanimelistApi(private val client: OkHttpClient, username: String, passwor
 
     companion object {
         const val baseUrl = "https://myanimelist.net"
+        const val baseMangaUrl = baseUrl + "/manga/"
+
+        fun mangaUrl(remoteId: Int): String {
+            return baseMangaUrl + remoteId
+        }
 
         private val ENTRY_TAG = "entry"
         private val CHAPTER_TAG = "chapter"

app/src/main/java/eu/kanade/tachiyomi/data/updater/GithubRelease.kt

@@ -11,8 +11,8 @@ import com.google.gson.annotations.SerializedName
  * @param assets assets of latest release.
  */
 class GithubRelease(@SerializedName("tag_name") val version: String,
-        @SerializedName("body") val changeLog: String,
-        @SerializedName("assets") val assets: List<Assets>) {
+                    @SerializedName("body") val changeLog: String,
+                    @SerializedName("assets") private val assets: List<Assets>) {
 
     /**
      * Get download link of latest release from the assets.

app/src/main/java/eu/kanade/tachiyomi/data/updater/GithubService.kt

@@ -1,10 +1,13 @@
 package eu.kanade.tachiyomi.data.updater
 
+import eu.kanade.tachiyomi.network.NetworkHelper
 import retrofit2.Retrofit
 import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory
 import retrofit2.converter.gson.GsonConverterFactory
 import retrofit2.http.GET
 import rx.Observable
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 
 /**
  * Used to connect with the Github API.
@@ -17,6 +20,7 @@ interface GithubService {
                     .baseUrl("https://api.github.com")
                     .addConverterFactory(GsonConverterFactory.create())
                     .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
+                    .client(Injekt.get<NetworkHelper>().client)
                     .build()
 
             return restAdapter.create(GithubService::class.java)

app/src/main/java/eu/kanade/tachiyomi/data/updater/GithubUpdateChecker.kt

@@ -3,7 +3,7 @@ package eu.kanade.tachiyomi.data.updater
 import eu.kanade.tachiyomi.BuildConfig
 import rx.Observable
 
-class GithubUpdateChecker() {
+class GithubUpdateChecker {
 
     private val service: GithubService = GithubService.create()
 

app/src/main/java/eu/kanade/tachiyomi/data/updater/GithubUpdateResult.kt

@@ -3,5 +3,5 @@ package eu.kanade.tachiyomi.data.updater
 sealed class GithubUpdateResult {
 
     class NewUpdate(val release: GithubRelease): GithubUpdateResult()
-    class NoNewUpdate(): GithubUpdateResult()
+    class NoNewUpdate : GithubUpdateResult()
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdateDownloaderReceiver.kt

@@ -1,144 +0,0 @@
-package eu.kanade.tachiyomi.data.updater
-
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.support.v4.app.NotificationCompat
-import eu.kanade.tachiyomi.Constants
-import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.data.notification.NotificationHandler
-import eu.kanade.tachiyomi.data.notification.NotificationReceiver
-import eu.kanade.tachiyomi.util.notificationManager
-import java.io.File
-import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
-
-/**
- * Local [BroadcastReceiver] that runs on UI thread
- * Notification calls from [UpdateDownloaderService] should be made from here.
- */
-internal class UpdateDownloaderReceiver(val context: Context) : BroadcastReceiver() {
-
-    companion object {
-        private const val NAME = "UpdateDownloaderReceiver"
-
-        // Called to show initial notification.
-        internal const val NOTIFICATION_UPDATER_INITIAL = "$ID.$NAME.UPDATER_INITIAL"
-
-        // Called to show progress notification.
-        internal const val NOTIFICATION_UPDATER_PROGRESS = "$ID.$NAME.UPDATER_PROGRESS"
-
-        // Called to show install notification.
-        internal const val NOTIFICATION_UPDATER_INSTALL = "$ID.$NAME.UPDATER_INSTALL"
-
-        // Called to show error notification
-        internal const val NOTIFICATION_UPDATER_ERROR = "$ID.$NAME.UPDATER_ERROR"
-
-        // Value containing action of BroadcastReceiver
-        internal const val EXTRA_ACTION = "$ID.$NAME.ACTION"
-
-        // Value containing progress
-        internal const val EXTRA_PROGRESS = "$ID.$NAME.PROGRESS"
-
-        // Value containing apk path
-        internal const val EXTRA_APK_PATH = "$ID.$NAME.APK_PATH"
-
-        // Value containing apk url
-        internal const val EXTRA_APK_URL = "$ID.$NAME.APK_URL"
-    }
-
-    /**
-     * Notification shown to user
-     */
-    private val notification = NotificationCompat.Builder(context)
-
-    override fun onReceive(context: Context, intent: Intent) {
-        when (intent.getStringExtra(EXTRA_ACTION)) {
-            NOTIFICATION_UPDATER_INITIAL -> basicNotification()
-            NOTIFICATION_UPDATER_PROGRESS -> updateProgress(intent.getIntExtra(EXTRA_PROGRESS, 0))
-            NOTIFICATION_UPDATER_INSTALL -> installNotification(intent.getStringExtra(EXTRA_APK_PATH))
-            NOTIFICATION_UPDATER_ERROR -> errorNotification(intent.getStringExtra(EXTRA_APK_URL))
-        }
-    }
-
-    /**
-     * Called to show basic notification
-     */
-    private fun basicNotification() {
-        // Create notification
-        with(notification) {
-            setContentTitle(context.getString(R.string.app_name))
-            setContentText(context.getString(R.string.update_check_notification_download_in_progress))
-            setSmallIcon(android.R.drawable.stat_sys_download)
-            setOngoing(true)
-        }
-        notification.show()
-    }
-
-    /**
-     * Called to show progress notification
-     *
-     * @param progress progress of download
-     */
-    private fun updateProgress(progress: Int) {
-        with(notification) {
-            setProgress(100, progress, false)
-        }
-        notification.show()
-    }
-
-    /**
-     * Called to show install notification
-     *
-     * @param path path of file
-     */
-    private fun installNotification(path: String) {
-        // Prompt the user to install the new update.
-        with(notification) {
-            setContentText(context.getString(R.string.update_check_notification_download_complete))
-            setSmallIcon(android.R.drawable.stat_sys_download_done)
-            setProgress(0, 0, false)
-            // Install action
-            setContentIntent(NotificationHandler.installApkPendingActivity(context, File(path)))
-            addAction(R.drawable.ic_system_update_grey_24dp_img,
-                    context.getString(R.string.action_install),
-                    NotificationHandler.installApkPendingActivity(context, File(path)))
-            // Cancel action
-            addAction(R.drawable.ic_clear_grey_24dp_img,
-                    context.getString(R.string.action_cancel),
-                    NotificationReceiver.dismissNotificationPendingBroadcast(context, Constants.NOTIFICATION_UPDATER_ID))
-        }
-        notification.show()
-    }
-
-    /**
-     * Called to show error notification
-     *
-     * @param url url of apk
-     */
-    private fun errorNotification(url: String) {
-        // Prompt the user to retry the download.
-        with(notification) {
-            setContentText(context.getString(R.string.update_check_notification_download_error))
-            setSmallIcon(android.R.drawable.stat_sys_warning)
-            setProgress(0, 0, false)
-            // Retry action
-            addAction(R.drawable.ic_refresh_grey_24dp_img,
-                    context.getString(R.string.action_retry),
-                    UpdateDownloaderService.downloadApkPendingService(context, url))
-            // Cancel action
-            addAction(R.drawable.ic_clear_grey_24dp_img,
-                    context.getString(R.string.action_cancel),
-                    NotificationReceiver.dismissNotificationPendingBroadcast(context, Constants.NOTIFICATION_UPDATER_ID))
-        }
-        notification.show()
-    }
-
-    /**
-     * Shows a notification from this builder.
-     *
-     * @param id the id of the notification.
-     */
-    private fun NotificationCompat.Builder.show(id: Int = Constants.NOTIFICATION_UPDATER_ID) {
-        context.notificationManager.notify(id, build())
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterJob.kt

@@ -1,68 +1,67 @@
-package eu.kanade.tachiyomi.data.updater
-
-import android.app.PendingIntent
-import android.content.Intent
-import android.support.v4.app.NotificationCompat
-import com.evernote.android.job.Job
-import com.evernote.android.job.JobManager
-import com.evernote.android.job.JobRequest
-import eu.kanade.tachiyomi.Constants.NOTIFICATION_UPDATER_ID
-import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.util.notificationManager
-
-class UpdateCheckerJob : Job() {
-
-    override fun onRunJob(params: Params): Result {
-        return GithubUpdateChecker()
-                .checkForUpdate()
-                .map { result ->
-                    if (result is GithubUpdateResult.NewUpdate) {
-                        val url = result.release.downloadLink
-
-                        val intent = Intent(context, UpdateDownloaderService::class.java).apply {
-                            putExtra(UpdateDownloaderService.EXTRA_DOWNLOAD_URL, url)
-                        }
-
-                        NotificationCompat.Builder(context).update {
-                            setContentTitle(context.getString(R.string.app_name))
-                            setContentText(context.getString(R.string.update_check_notification_update_available))
-                            setSmallIcon(android.R.drawable.stat_sys_download_done)
-                            // Download action
-                            addAction(android.R.drawable.stat_sys_download_done,
-                                    context.getString(R.string.action_download),
-                                    PendingIntent.getService(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT))
-                        }
-                    }
-                    Job.Result.SUCCESS
-                }
-                .onErrorReturn { Job.Result.FAILURE }
-                // Sadly, the task needs to be synchronous.
-                .toBlocking()
-                .single()
-    }
-
-    fun NotificationCompat.Builder.update(block: NotificationCompat.Builder.() -> Unit) {
-        block()
-        context.notificationManager.notify(NOTIFICATION_UPDATER_ID, build())
-    }
-
-    companion object {
-        const val TAG = "UpdateChecker"
-
-        fun setupTask() {
-            JobRequest.Builder(TAG)
-                    .setPeriodic(24 * 60 * 60 * 1000, 60 * 60 * 1000)
-                    .setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)
-                    .setRequirementsEnforced(true)
-                    .setPersisted(true)
-                    .setUpdateCurrent(true)
-                    .build()
-                    .schedule()
-        }
-
-        fun cancelTask() {
-            JobManager.instance().cancelAllForTag(TAG)
-        }
-    }
-
+package eu.kanade.tachiyomi.data.updater
+
+import android.app.PendingIntent
+import android.content.Intent
+import android.support.v4.app.NotificationCompat
+import com.evernote.android.job.Job
+import com.evernote.android.job.JobManager
+import com.evernote.android.job.JobRequest
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.util.notificationManager
+
+class UpdaterJob : Job() {
+
+    override fun onRunJob(params: Params): Result {
+        return GithubUpdateChecker()
+                .checkForUpdate()
+                .map { result ->
+                    if (result is GithubUpdateResult.NewUpdate) {
+                        val url = result.release.downloadLink
+
+                        val intent = Intent(context, UpdaterService::class.java).apply {
+                            putExtra(UpdaterService.EXTRA_DOWNLOAD_URL, url)
+                        }
+
+                        NotificationCompat.Builder(context, Notifications.CHANNEL_COMMON).update {
+                            setContentTitle(context.getString(R.string.app_name))
+                            setContentText(context.getString(R.string.update_check_notification_update_available))
+                            setSmallIcon(android.R.drawable.stat_sys_download_done)
+                            // Download action
+                            addAction(android.R.drawable.stat_sys_download_done,
+                                    context.getString(R.string.action_download),
+                                    PendingIntent.getService(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT))
+                        }
+                    }
+                    Job.Result.SUCCESS
+                }
+                .onErrorReturn { Job.Result.FAILURE }
+                // Sadly, the task needs to be synchronous.
+                .toBlocking()
+                .single()
+    }
+
+    fun NotificationCompat.Builder.update(block: NotificationCompat.Builder.() -> Unit) {
+        block()
+        context.notificationManager.notify(Notifications.ID_UPDATER, build())
+    }
+
+    companion object {
+        const val TAG = "UpdateChecker"
+
+        fun setupTask() {
+            JobRequest.Builder(TAG)
+                    .setPeriodic(24 * 60 * 60 * 1000, 60 * 60 * 1000)
+                    .setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)
+                    .setRequirementsEnforced(true)
+                    .setUpdateCurrent(true)
+                    .build()
+                    .schedule()
+        }
+
+        fun cancelTask() {
+            JobManager.instance().cancelAllForTag(TAG)
+        }
+    }
+
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterNotifier.kt

@@ -0,0 +1,109 @@
+package eu.kanade.tachiyomi.data.updater
+
+import android.content.Context
+import android.net.Uri
+import android.support.v4.app.NotificationCompat
+import eu.kanade.tachiyomi.R
+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.notificationManager
+
+/**
+ * DownloadNotifier is used to show notifications when downloading and update.
+ *
+ * @param context context of application.
+ */
+internal class UpdaterNotifier(private val context: Context) {
+
+    /**
+     * Builder to manage notifications.
+     */
+    private val notification by lazy {
+        NotificationCompat.Builder(context, Notifications.CHANNEL_COMMON)
+    }
+
+    /**
+     * Call to show notification.
+     *
+     * @param id id of the notification channel.
+     */
+    private fun NotificationCompat.Builder.show(id: Int = Notifications.ID_UPDATER) {
+        context.notificationManager.notify(id, build())
+    }
+
+    /**
+     * Call when apk download starts.
+     *
+     * @param title tile of notification.
+     */
+    fun onDownloadStarted(title: String) {
+        with(notification) {
+            setContentTitle(title)
+            setContentText(context.getString(R.string.update_check_notification_download_in_progress))
+            setSmallIcon(android.R.drawable.stat_sys_download)
+            setOngoing(true)
+        }
+        notification.show()
+    }
+
+    /**
+     * Call when apk download progress changes.
+     *
+     * @param progress progress of download (xx%/100).
+     */
+    fun onProgressChange(progress: Int) {
+        with(notification) {
+            setProgress(100, progress, false)
+            setOnlyAlertOnce(true)
+        }
+        notification.show()
+    }
+
+    /**
+     * Call when apk download is finished.
+     *
+     * @param uri path location of apk.
+     */
+    fun onDownloadFinished(uri: Uri) {
+        with(notification) {
+            setContentText(context.getString(R.string.update_check_notification_download_complete))
+            setSmallIcon(android.R.drawable.stat_sys_download_done)
+            setOnlyAlertOnce(false)
+            setProgress(0, 0, false)
+            // Install action
+            setContentIntent(NotificationHandler.installApkPendingActivity(context, uri))
+            addAction(R.drawable.ic_system_update_grey_24dp_img,
+                    context.getString(R.string.action_install),
+                    NotificationHandler.installApkPendingActivity(context, uri))
+            // Cancel action
+            addAction(R.drawable.ic_clear_grey_24dp_img,
+                    context.getString(R.string.action_cancel),
+                    NotificationReceiver.dismissNotificationPendingBroadcast(context, Notifications.ID_UPDATER))
+        }
+        notification.show()
+    }
+
+    /**
+     * Call when apk download throws a error
+     *
+     * @param url web location of apk to download.
+     */
+    fun onDownloadError(url: String) {
+        with(notification) {
+            setContentText(context.getString(R.string.update_check_notification_download_error))
+            setSmallIcon(android.R.drawable.stat_sys_warning)
+            setOnlyAlertOnce(false)
+            setProgress(0, 0, false)
+            // Retry action
+            addAction(R.drawable.ic_refresh_grey_24dp_img,
+                    context.getString(R.string.action_retry),
+                    UpdaterService.downloadApkPendingService(context, url))
+            // Cancel action
+            addAction(R.drawable.ic_clear_grey_24dp_img,
+                    context.getString(R.string.action_cancel),
+                    NotificationReceiver.dismissNotificationPendingBroadcast(context, Notifications.ID_UPDATER))
+        }
+        notification.show(Notifications.ID_UPDATER)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterService.kt

@@ -2,52 +2,37 @@ package eu.kanade.tachiyomi.data.updater
 
 import android.app.IntentService
 import android.app.PendingIntent
-import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
-import android.content.IntentFilter
 import eu.kanade.tachiyomi.BuildConfig
+import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.NetworkHelper
 import eu.kanade.tachiyomi.network.ProgressListener
 import eu.kanade.tachiyomi.network.newCallWithProgress
-import eu.kanade.tachiyomi.util.registerLocalReceiver
+import eu.kanade.tachiyomi.util.getUriCompat
 import eu.kanade.tachiyomi.util.saveTo
-import eu.kanade.tachiyomi.util.sendLocalBroadcastSync
-import eu.kanade.tachiyomi.util.unregisterLocalReceiver
 import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
 import java.io.File
 
-class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.java.name) {
+class UpdaterService : IntentService(UpdaterService::class.java.name) {
     /**
      * Network helper
      */
     private val network: NetworkHelper by injectLazy()
 
     /**
-     * Local [BroadcastReceiver] that runs on UI thread
+     * Notifier for the updater state and progress.
      */
-    private val updaterNotificationReceiver = UpdateDownloaderReceiver(this)
-
-
-    override fun onCreate() {
-        super.onCreate()
-        // Register receiver
-        registerLocalReceiver(updaterNotificationReceiver, IntentFilter(INTENT_FILTER_NAME))
-    }
-
-    override fun onDestroy() {
-        // Unregister receiver
-        unregisterLocalReceiver(updaterNotificationReceiver)
-        super.onDestroy()
-    }
+    private val notifier by lazy { UpdaterNotifier(this) }
 
     override fun onHandleIntent(intent: Intent?) {
         if (intent == null) return
 
+        val title = intent.getStringExtra(EXTRA_DOWNLOAD_TITLE) ?: getString(R.string.app_name)
         val url = intent.getStringExtra(EXTRA_DOWNLOAD_URL) ?: return
-        downloadApk(url)
+        downloadApk(title, url)
     }
 
     /**
@@ -55,9 +40,9 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
      *
      * @param url url location of file
      */
-    fun downloadApk(url: String) {
+    private fun downloadApk(title: String, url: String) {
         // Show notification download starting.
-        sendInitialBroadcast()
+        notifier.onDownloadStarted(title)
 
         val progressListener = object : ProgressListener {
 
@@ -73,7 +58,7 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
                 if (progress > savedProgress && currentTime - 200 > lastTick) {
                     savedProgress = progress
                     lastTick = currentTime
-                    sendProgressBroadcast(progress)
+                    notifier.onProgressChange(progress)
                 }
             }
         }
@@ -91,80 +76,32 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
                 response.close()
                 throw Exception("Unsuccessful response")
             }
-            sendInstallBroadcast(apkFile.absolutePath)
+            notifier.onDownloadFinished(apkFile.getUriCompat(this))
         } catch (error: Exception) {
             Timber.e(error)
-            sendErrorBroadcast(url)
+            notifier.onDownloadError(url)
         }
     }
 
-    /**
-     * Show notification download starting.
-     */
-    private fun sendInitialBroadcast() {
-        val intent = Intent(INTENT_FILTER_NAME).apply {
-            putExtra(UpdateDownloaderReceiver.EXTRA_ACTION, UpdateDownloaderReceiver.NOTIFICATION_UPDATER_INITIAL)
-        }
-        sendLocalBroadcastSync(intent)
-    }
-
-    /**
-     * Show notification progress changed
-     *
-     * @param progress progress of download
-     */
-    private fun sendProgressBroadcast(progress: Int) {
-        val intent = Intent(INTENT_FILTER_NAME).apply {
-            putExtra(UpdateDownloaderReceiver.EXTRA_ACTION, UpdateDownloaderReceiver.NOTIFICATION_UPDATER_PROGRESS)
-            putExtra(UpdateDownloaderReceiver.EXTRA_PROGRESS, progress)
-        }
-        sendLocalBroadcastSync(intent)
-    }
-
-    /**
-     * Show install notification.
-     *
-     * @param path location of file
-     */
-    private fun sendInstallBroadcast(path: String){
-        val intent = Intent(INTENT_FILTER_NAME).apply {
-            putExtra(UpdateDownloaderReceiver.EXTRA_ACTION, UpdateDownloaderReceiver.NOTIFICATION_UPDATER_INSTALL)
-            putExtra(UpdateDownloaderReceiver.EXTRA_APK_PATH, path)
-        }
-        sendLocalBroadcastSync(intent)
-    }
-
-    /**
-     * Show error notification.
-     *
-     * @param url url of file
-     */
-    private fun sendErrorBroadcast(url: String){
-        val intent = Intent(INTENT_FILTER_NAME).apply {
-            putExtra(UpdateDownloaderReceiver.EXTRA_ACTION, UpdateDownloaderReceiver.NOTIFICATION_UPDATER_ERROR)
-            putExtra(UpdateDownloaderReceiver.EXTRA_APK_URL, url)
-        }
-        sendLocalBroadcastSync(intent)
-    }
-
     companion object {
-        /**
-         * Name of Local BroadCastReceiver.
-         */
-        private val INTENT_FILTER_NAME = UpdateDownloaderService::class.java.name
-
         /**
          * Download url.
          */
-        internal const val EXTRA_DOWNLOAD_URL = "${BuildConfig.APPLICATION_ID}.UpdateDownloaderService.DOWNLOAD_URL"
+        internal const val EXTRA_DOWNLOAD_URL = "${BuildConfig.APPLICATION_ID}.UpdaterService.DOWNLOAD_URL"
+
+        /**
+         * Download title
+         */
+        internal const val EXTRA_DOWNLOAD_TITLE = "${BuildConfig.APPLICATION_ID}.UpdaterService.DOWNLOAD_TITLE"
 
         /**
          * Downloads a new update and let the user install the new version from a notification.
          * @param context the application context.
          * @param url the url to the new update.
          */
-        fun downloadUpdate(context: Context, url: String) {
-            val intent = Intent(context, UpdateDownloaderService::class.java).apply {
+        fun downloadUpdate(context: Context, url: String, title: String = context.getString(R.string.app_name)) {
+            val intent = Intent(context, UpdaterService::class.java).apply {
+                putExtra(EXTRA_DOWNLOAD_TITLE, title)
                 putExtra(EXTRA_DOWNLOAD_URL, url)
             }
             context.startService(intent)
@@ -177,7 +114,7 @@ class UpdateDownloaderService : IntentService(UpdateDownloaderService::class.jav
          * @return [PendingIntent]
          */
         internal fun downloadApkPendingService(context: Context, url: String): PendingIntent {
-            val intent = Intent(context, UpdateDownloaderService::class.java).apply {
+            val intent = Intent(context, UpdaterService::class.java).apply {
                 putExtra(EXTRA_DOWNLOAD_URL, url)
             }
             return PendingIntent.getService(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)

app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt

@@ -0,0 +1,334 @@
+package eu.kanade.tachiyomi.extension
+
+import android.content.Context
+import com.jakewharton.rxrelay.BehaviorRelay
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.extension.api.ExtensionGithubApi
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.extension.model.InstallStep
+import eu.kanade.tachiyomi.extension.model.LoadResult
+import eu.kanade.tachiyomi.extension.util.ExtensionInstallReceiver
+import eu.kanade.tachiyomi.extension.util.ExtensionInstaller
+import eu.kanade.tachiyomi.extension.util.ExtensionLoader
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.util.launchNow
+import kotlinx.coroutines.experimental.async
+import rx.Observable
+import rx.android.schedulers.AndroidSchedulers
+import rx.schedulers.Schedulers
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+/**
+ * The manager of extensions installed as another apk which extend the available sources. It handles
+ * the retrieval of remotely available extensions as well as installing, updating and removing them.
+ * To avoid malicious distribution, every extension must be signed and it will only be loaded if its
+ * signature is trusted, otherwise the user will be prompted with a warning to trust it before being
+ * loaded.
+ *
+ * @param context The application context.
+ * @param preferences The application preferences.
+ */
+class ExtensionManager(
+        private val context: Context,
+        private val preferences: PreferencesHelper = Injekt.get()
+) {
+
+    /**
+     * API where all the available extensions can be found.
+     */
+    private val api = ExtensionGithubApi()
+
+    /**
+     * The installer which installs, updates and uninstalls the extensions.
+     */
+    private val installer by lazy { ExtensionInstaller(context) }
+
+    /**
+     * Relay used to notify the installed extensions.
+     */
+    private val installedExtensionsRelay = BehaviorRelay.create<List<Extension.Installed>>()
+
+    /**
+     * List of the currently installed extensions.
+     */
+    var installedExtensions = emptyList<Extension.Installed>()
+        private set(value) {
+            field = value
+            installedExtensionsRelay.call(value)
+        }
+
+    /**
+     * Relay used to notify the available extensions.
+     */
+    private val availableExtensionsRelay = BehaviorRelay.create<List<Extension.Available>>()
+
+    /**
+     * List of the currently available extensions.
+     */
+    var availableExtensions = emptyList<Extension.Available>()
+        private set(value) {
+            field = value
+            availableExtensionsRelay.call(value)
+            setUpdateFieldOfInstalledExtensions(value)
+        }
+
+    /**
+     * Relay used to notify the untrusted extensions.
+     */
+    private val untrustedExtensionsRelay = BehaviorRelay.create<List<Extension.Untrusted>>()
+
+    /**
+     * List of the currently untrusted extensions.
+     */
+    var untrustedExtensions = emptyList<Extension.Untrusted>()
+        private set(value) {
+            field = value
+            untrustedExtensionsRelay.call(value)
+        }
+
+    /**
+     * The source manager where the sources of the extensions are added.
+     */
+    private lateinit var sourceManager: SourceManager
+
+    /**
+     * Initializes this manager with the given source manager.
+     */
+    fun init(sourceManager: SourceManager) {
+        this.sourceManager = sourceManager
+        initExtensions()
+        ExtensionInstallReceiver(InstallationListener()).register(context)
+    }
+
+    /**
+     * Loads and registers the installed extensions.
+     */
+    private fun initExtensions() {
+        val extensions = ExtensionLoader.loadExtensions(context)
+
+        installedExtensions = extensions
+                .filterIsInstance<LoadResult.Success>()
+                .map { it.extension }
+        installedExtensions
+                .flatMap { it.sources }
+                // overwrite is needed until the bundled sources are removed
+                .forEach { sourceManager.registerSource(it, true) }
+
+        untrustedExtensions = extensions
+                .filterIsInstance<LoadResult.Untrusted>()
+                .map { it.extension }
+    }
+
+    /**
+     * Returns the relay of the installed extensions as an observable.
+     */
+    fun getInstalledExtensionsObservable(): Observable<List<Extension.Installed>> {
+        return installedExtensionsRelay.asObservable()
+    }
+
+    /**
+     * Returns the relay of the available extensions as an observable.
+     */
+    fun getAvailableExtensionsObservable(): Observable<List<Extension.Available>> {
+        return availableExtensionsRelay.asObservable()
+    }
+
+    /**
+     * Returns the relay of the untrusted extensions as an observable.
+     */
+    fun getUntrustedExtensionsObservable(): Observable<List<Extension.Untrusted>> {
+        return untrustedExtensionsRelay.asObservable()
+    }
+
+    /**
+     * Finds the available extensions in the [api] and updates [availableExtensions].
+     */
+    fun findAvailableExtensions() {
+        api.findExtensions()
+                .onErrorReturn { emptyList() }
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe { availableExtensions = it }
+    }
+
+    /**
+     * Sets the update field of the installed extensions with the given [availableExtensions].
+     *
+     * @param availableExtensions The list of extensions given by the [api].
+     */
+    private fun setUpdateFieldOfInstalledExtensions(availableExtensions: List<Extension.Available>) {
+        val mutInstalledExtensions = installedExtensions.toMutableList()
+        var changed = false
+
+        for ((index, installedExt) in mutInstalledExtensions.withIndex()) {
+            val pkgName = installedExt.pkgName
+            val availableExt = availableExtensions.find { it.pkgName == pkgName } ?: continue
+
+            val hasUpdate = availableExt.versionCode > installedExt.versionCode
+            if (installedExt.hasUpdate != hasUpdate) {
+                mutInstalledExtensions[index] = installedExt.copy(hasUpdate = hasUpdate)
+                changed = true
+            }
+        }
+        if (changed) {
+            installedExtensions = mutInstalledExtensions
+        }
+    }
+
+    /**
+     * Returns an observable of the installation process for the given extension. It will complete
+     * once the extension is installed or throws an error. The process will be canceled if
+     * unsubscribed before its completion.
+     *
+     * @param extension The extension to be installed.
+     */
+    fun installExtension(extension: Extension.Available): Observable<InstallStep> {
+        return installer.downloadAndInstall(api.getApkUrl(extension), extension)
+    }
+
+    /**
+     * Returns an observable of the installation process for the given extension. It will complete
+     * once the extension is updated or throws an error. The process will be canceled if
+     * unsubscribed before its completion.
+     *
+     * @param extension The extension to be updated.
+     */
+    fun updateExtension(extension: Extension.Installed): Observable<InstallStep>  {
+        val availableExt = availableExtensions.find { it.pkgName == extension.pkgName }
+                ?: return Observable.empty()
+        return installExtension(availableExt)
+    }
+
+    /**
+     * Sets the result of the installation of an extension.
+     *
+     * @param downloadId The id of the download.
+     * @param result Whether the extension was installed or not.
+     */
+    fun setInstallationResult(downloadId: Long, result: Boolean) {
+        installer.setInstallationResult(downloadId, result)
+    }
+
+    /**
+     * Uninstalls the extension that matches the given package name.
+     *
+     * @param pkgName The package name of the application to uninstall.
+     */
+    fun uninstallExtension(pkgName: String) {
+        installer.uninstallApk(pkgName)
+    }
+
+    /**
+     * Adds the given signature to the list of trusted signatures. It also loads in background the
+     * extensions that match this signature.
+     *
+     * @param signature The signature to whitelist.
+     */
+    fun trustSignature(signature: String) {
+        val untrustedSignatures = untrustedExtensions.map { it.signatureHash }.toSet()
+        if (signature !in untrustedSignatures) return
+
+        ExtensionLoader.trustedSignatures += signature
+        val preference = preferences.trustedSignatures()
+        preference.set(preference.getOrDefault() + signature)
+
+        val nowTrustedExtensions = untrustedExtensions.filter { it.signatureHash == signature }
+        untrustedExtensions -= nowTrustedExtensions
+
+        val ctx = context
+        launchNow {
+            nowTrustedExtensions
+                    .map { extension ->
+                        async { ExtensionLoader.loadExtensionFromPkgName(ctx, extension.pkgName) }
+                    }
+                    .map { it.await() }
+                    .forEach { result ->
+                        if (result is LoadResult.Success) {
+                            registerNewExtension(result.extension)
+                        }
+                    }
+        }
+    }
+
+    /**
+     * Registers the given extension in this and the source managers.
+     *
+     * @param extension The extension to be registered.
+     */
+    private fun registerNewExtension(extension: Extension.Installed) {
+        installedExtensions += extension
+        extension.sources.forEach { sourceManager.registerSource(it) }
+    }
+
+    /**
+     * Registers the given updated extension in this and the source managers previously removing
+     * the outdated ones.
+     *
+     * @param extension The extension to be registered.
+     */
+    private fun registerUpdatedExtension(extension: Extension.Installed) {
+        val mutInstalledExtensions = installedExtensions.toMutableList()
+        val oldExtension = mutInstalledExtensions.find { it.pkgName == extension.pkgName }
+        if (oldExtension != null) {
+            mutInstalledExtensions -= oldExtension
+            extension.sources.forEach { sourceManager.unregisterSource(it) }
+        }
+        mutInstalledExtensions += extension
+        installedExtensions = mutInstalledExtensions
+        extension.sources.forEach { sourceManager.registerSource(it) }
+    }
+
+    /**
+     * Unregisters the extension in this and the source managers given its package name. Note this
+     * method is called for every uninstalled application in the system.
+     *
+     * @param pkgName The package name of the uninstalled application.
+     */
+    private fun unregisterExtension(pkgName: String) {
+        val installedExtension = installedExtensions.find { it.pkgName == pkgName }
+        if (installedExtension != null) {
+            installedExtensions -= installedExtension
+            installedExtension.sources.forEach { sourceManager.unregisterSource(it) }
+        }
+        val untrustedExtension = untrustedExtensions.find { it.pkgName == pkgName }
+        if (untrustedExtension != null) {
+            untrustedExtensions -= untrustedExtension
+        }
+    }
+
+    /**
+     * Listener which receives events of the extensions being installed, updated or removed.
+     */
+    private inner class InstallationListener : ExtensionInstallReceiver.Listener {
+
+        override fun onExtensionInstalled(extension: Extension.Installed) {
+            registerNewExtension(extension.withUpdateCheck())
+        }
+
+        override fun onExtensionUpdated(extension: Extension.Installed) {
+            registerUpdatedExtension(extension.withUpdateCheck())
+        }
+
+        override fun onExtensionUntrusted(extension: Extension.Untrusted) {
+            untrustedExtensions += extension
+        }
+
+        override fun onPackageUninstalled(pkgName: String) {
+            unregisterExtension(pkgName)
+        }
+    }
+
+    /**
+     * Extension method to set the update field of an installed extension.
+     */
+    private fun Extension.Installed.withUpdateCheck(): Extension.Installed {
+        val availableExt = availableExtensions.find { it.pkgName == pkgName }
+        if (availableExt != null && availableExt.versionCode > versionCode) {
+            return copy(hasUpdate = true)
+        }
+        return this
+    }
+
+}

app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionGithubApi.kt

@@ -0,0 +1,55 @@
+package eu.kanade.tachiyomi.extension.api
+
+import com.github.salomonbrys.kotson.fromJson
+import com.github.salomonbrys.kotson.get
+import com.github.salomonbrys.kotson.int
+import com.github.salomonbrys.kotson.string
+import com.google.gson.Gson
+import com.google.gson.JsonArray
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.NetworkHelper
+import eu.kanade.tachiyomi.network.asObservableSuccess
+import okhttp3.Response
+import rx.Observable
+import uy.kohesive.injekt.injectLazy
+
+internal class ExtensionGithubApi {
+
+    private val network: NetworkHelper by injectLazy()
+
+    private val client get() = network.client
+
+    private val gson: Gson by injectLazy()
+
+    private val repoUrl = "https://raw.githubusercontent.com/inorichi/tachiyomi-extensions/repo"
+
+    fun findExtensions(): Observable<List<Extension.Available>> {
+        val call = GET("$repoUrl/index.json")
+
+        return client.newCall(call).asObservableSuccess()
+                .map(::parseResponse)
+    }
+
+    private fun parseResponse(response: Response): List<Extension.Available> {
+        val text = response.body()?.use { it.string() } ?: return emptyList()
+
+        val json = gson.fromJson<JsonArray>(text)
+
+        return json.map { element ->
+            val name = element["name"].string.substringAfter("Tachiyomi: ")
+            val pkgName = element["pkg"].string
+            val apkName = element["apk"].string
+            val versionName = element["version"].string
+            val versionCode = element["code"].int
+            val lang = element["lang"].string
+            val icon = "$repoUrl/icon/${apkName.replace(".apk", ".png")}"
+
+            Extension.Available(name, pkgName, versionName, versionCode, lang, apkName, icon)
+        }
+    }
+
+    fun getApkUrl(extension: Extension.Available): String {
+        return "$repoUrl/apk/${extension.apkName}"
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/extension/model/Extension.kt

@@ -0,0 +1,36 @@
+package eu.kanade.tachiyomi.extension.model
+
+import eu.kanade.tachiyomi.source.Source
+
+sealed class Extension {
+
+    abstract val name: String
+    abstract val pkgName: String
+    abstract val versionName: String
+    abstract val versionCode: Int
+    abstract val lang: String?
+
+    data class Installed(override val name: String,
+                         override val pkgName: String,
+                         override val versionName: String,
+                         override val versionCode: Int,
+                         val sources: List<Source>,
+                         override val lang: String,
+                         val hasUpdate: Boolean = false) : Extension()
+
+    data class Available(override val name: String,
+                         override val pkgName: String,
+                         override val versionName: String,
+                         override val versionCode: Int,
+                         override val lang: String,
+                         val apkName: String,
+                         val iconUrl: String) : Extension()
+
+    data class Untrusted(override val name: String,
+                         override val pkgName: String,
+                         override val versionName: String,
+                         override val versionCode: Int,
+                         val signatureHash: String,
+                         override val lang: String? = null) : Extension()
+
+}

app/src/main/java/eu/kanade/tachiyomi/extension/model/InstallStep.kt

@@ -0,0 +1,9 @@
+package eu.kanade.tachiyomi.extension.model
+
+enum class InstallStep {
+    Pending, Downloading, Installing, Installed, Error;
+
+    fun isCompleted(): Boolean {
+        return this == Installed || this == Error
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/extension/model/LoadResult.kt

@@ -0,0 +1,10 @@
+package eu.kanade.tachiyomi.extension.model
+
+sealed class LoadResult {
+
+    class Success(val extension: Extension.Installed) : LoadResult()
+    class Untrusted(val extension: Extension.Untrusted) : LoadResult()
+    class Error(val message: String? = null) : LoadResult() {
+        constructor(exception: Throwable) : this(exception.message)
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallActivity.kt

@@ -0,0 +1,52 @@
+package eu.kanade.tachiyomi.extension.util
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import eu.kanade.tachiyomi.util.toast
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+/**
+ * Activity used to install extensions, because we can only receive the result of the installation
+ * with [startActivityForResult], which we need to update the UI.
+ */
+class ExtensionInstallActivity : Activity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val installIntent = Intent(Intent.ACTION_INSTALL_PACKAGE)
+                .setDataAndType(intent.data, intent.type)
+                .putExtra(Intent.EXTRA_RETURN_RESULT, true)
+                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+
+        try {
+            startActivityForResult(installIntent, INSTALL_REQUEST_CODE)
+        } catch (error: Exception) {
+            // Either install package can't be found (probably bots) or there's a security exception
+            // with the download manager. Nothing we can workaround.
+            toast(error.message)
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (requestCode == INSTALL_REQUEST_CODE) {
+            checkInstallationResult(resultCode)
+        }
+        finish()
+    }
+
+    private fun checkInstallationResult(resultCode: Int) {
+        val downloadId = intent.extras.getLong(ExtensionInstaller.EXTRA_DOWNLOAD_ID)
+        val success = resultCode == RESULT_OK
+
+        val extensionManager = Injekt.get<ExtensionManager>()
+        extensionManager.setInstallationResult(downloadId, success)
+    }
+
+    private companion object {
+        const val INSTALL_REQUEST_CODE = 500
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt

@@ -0,0 +1,114 @@
+package eu.kanade.tachiyomi.extension.util
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.extension.model.LoadResult
+import eu.kanade.tachiyomi.util.launchNow
+import kotlinx.coroutines.experimental.async
+
+/**
+ * Broadcast receiver that listens for the system's packages installed, updated or removed, and only
+ * notifies the given [listener] when the package is an extension.
+ *
+ * @param listener The listener that should be notified of extension installation events.
+ */
+internal class ExtensionInstallReceiver(private val listener: Listener) :
+        BroadcastReceiver() {
+
+    /**
+     * Registers this broadcast receiver
+     */
+    fun register(context: Context) {
+        context.registerReceiver(this, filter)
+    }
+
+    /**
+     * Returns the intent filter this receiver should subscribe to.
+     */
+    private val filter get() = IntentFilter().apply {
+        addAction(Intent.ACTION_PACKAGE_ADDED)
+        addAction(Intent.ACTION_PACKAGE_REPLACED)
+        addAction(Intent.ACTION_PACKAGE_REMOVED)
+        addDataScheme("package")
+    }
+
+    /**
+     * Called when one of the events of the [filter] is received. When the package is an extension,
+     * it's loaded in background and it notifies the [listener] when finished.
+     */
+    override fun onReceive(context: Context, intent: Intent?) {
+        if (intent == null) return
+
+        when (intent.action) {
+            Intent.ACTION_PACKAGE_ADDED -> {
+                if (!isReplacing(intent)) launchNow {
+                    val result = getExtensionFromIntent(context, intent)
+                    when (result) {
+                        is LoadResult.Success -> listener.onExtensionInstalled(result.extension)
+                        is LoadResult.Untrusted -> listener.onExtensionUntrusted(result.extension)
+                    }
+                }
+            }
+            Intent.ACTION_PACKAGE_REPLACED -> {
+                launchNow {
+                    val result = getExtensionFromIntent(context, intent)
+                    when (result) {
+                        is LoadResult.Success -> listener.onExtensionUpdated(result.extension)
+                        // Not needed as a package can't be upgraded if the signature is different
+                        is LoadResult.Untrusted -> {}
+                    }
+                }
+            }
+            Intent.ACTION_PACKAGE_REMOVED -> {
+                if (!isReplacing(intent)) {
+                    val pkgName = getPackageNameFromIntent(intent)
+                    if (pkgName != null) {
+                        listener.onPackageUninstalled(pkgName)
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Returns true if this package is performing an update.
+     *
+     * @param intent The intent that triggered the event.
+     */
+    private fun isReplacing(intent: Intent): Boolean {
+        return intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)
+    }
+
+    /**
+     * Returns the extension triggered by the given intent.
+     *
+     * @param context The application context.
+     * @param intent The intent containing the package name of the extension.
+     */
+    private suspend fun getExtensionFromIntent(context: Context, intent: Intent?): LoadResult {
+        val pkgName = getPackageNameFromIntent(intent) ?:
+                return LoadResult.Error("Package name not found")
+        return async { ExtensionLoader.loadExtensionFromPkgName(context, pkgName) }.await()
+    }
+
+    /**
+     * Returns the package name of the installed, updated or removed application.
+     */
+    private fun getPackageNameFromIntent(intent: Intent?): String? {
+        return intent?.data?.encodedSchemeSpecificPart ?: return null
+    }
+
+    /**
+     * Listener that receives extension installation events.
+     */
+    interface Listener {
+        fun onExtensionInstalled(extension: Extension.Installed)
+        fun onExtensionUpdated(extension: Extension.Installed)
+        fun onExtensionUntrusted(extension: Extension.Untrusted)
+        fun onPackageUninstalled(pkgName: String)
+    }
+
+}

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstaller.kt

@@ -0,0 +1,247 @@
+package eu.kanade.tachiyomi.extension.util
+
+import android.app.DownloadManager
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.Uri
+import android.os.Build
+import com.jakewharton.rxrelay.PublishRelay
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.extension.model.InstallStep
+import eu.kanade.tachiyomi.util.getUriCompat
+import rx.Observable
+import rx.android.schedulers.AndroidSchedulers
+import timber.log.Timber
+import java.io.File
+import java.util.concurrent.TimeUnit
+
+/**
+ * The installer which installs, updates and uninstalls the extensions.
+ *
+ * @param context The application context.
+ */
+internal class ExtensionInstaller(private val context: Context) {
+
+    /**
+     * The system's download manager
+     */
+    private val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+
+    /**
+     * The broadcast receiver which listens to download completion events.
+     */
+    private val downloadReceiver = DownloadCompletionReceiver()
+
+    /**
+     * The currently requested downloads, with the package name (unique id) as key, and the id
+     * returned by the download manager.
+     */
+    private val activeDownloads = hashMapOf<String, Long>()
+
+    /**
+     * Relay used to notify the installation step of every download.
+     */
+    private val downloadsRelay = PublishRelay.create<Pair<Long, InstallStep>>()
+
+    /**
+     * Adds the given extension to the downloads queue and returns an observable containing its
+     * step in the installation process.
+     *
+     * @param url The url of the apk.
+     * @param extension The extension to install.
+     */
+    fun downloadAndInstall(url: String, extension: Extension) = Observable.defer {
+        val pkgName = extension.pkgName
+
+        val oldDownload = activeDownloads[pkgName]
+        if (oldDownload != null) {
+            deleteDownload(pkgName)
+        }
+
+        // Register the receiver after removing (and unregistering) the previous download
+        downloadReceiver.register()
+
+        val request = DownloadManager.Request(Uri.parse(url))
+                .setTitle(extension.name)
+                .setMimeType(APK_MIME)
+                .setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
+
+        val id = downloadManager.enqueue(request)
+        activeDownloads[pkgName] = id
+
+        downloadsRelay.filter { it.first == id }
+                .map { it.second }
+                // Poll download status
+                .mergeWith(pollStatus(id))
+                // Force an error if the download takes more than 3 minutes
+                .mergeWith(Observable.timer(3, TimeUnit.MINUTES).map { InstallStep.Error })
+                // Stop when the application is installed or errors
+                .takeUntil { it.isCompleted() }
+                // Always notify on main thread
+                .observeOn(AndroidSchedulers.mainThread())
+                // Always remove the download when unsubscribed
+                .doOnUnsubscribe { deleteDownload(pkgName) }
+    }
+
+    /**
+     * Returns an observable that polls the given download id for its status every second, as the
+     * manager doesn't have any notification system. It'll stop once the download finishes.
+     *
+     * @param id The id of the download to poll.
+     */
+    private fun pollStatus(id: Long): Observable<InstallStep> {
+        val query = DownloadManager.Query().setFilterById(id)
+
+        return Observable.interval(0, 1, TimeUnit.SECONDS)
+                // Get the current download status
+                .map {
+                    downloadManager.query(query).use { cursor ->
+                        cursor.moveToFirst()
+                        cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS))
+                    }
+                }
+                // Ignore duplicate results
+                .distinctUntilChanged()
+                // Stop polling when the download fails or finishes
+                .takeUntil { it == DownloadManager.STATUS_SUCCESSFUL || it == DownloadManager.STATUS_FAILED }
+                // Map to our model
+                .flatMap { status ->
+                    when (status) {
+                        DownloadManager.STATUS_PENDING -> Observable.just(InstallStep.Pending)
+                        DownloadManager.STATUS_RUNNING -> Observable.just(InstallStep.Downloading)
+                        else -> Observable.empty()
+                    }
+                }
+    }
+
+    /**
+     * Starts an intent to install the extension at the given uri.
+     *
+     * @param uri The uri of the extension to install.
+     */
+    fun installApk(downloadId: Long, uri: Uri) {
+        val intent = Intent(context, ExtensionInstallActivity::class.java)
+                .setDataAndType(uri, APK_MIME)
+                .putExtra(EXTRA_DOWNLOAD_ID, downloadId)
+                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION)
+
+        context.startActivity(intent)
+    }
+
+    /**
+     * Starts an intent to uninstall the extension by the given package name.
+     *
+     * @param pkgName The package name of the extension to uninstall
+     */
+    fun uninstallApk(pkgName: String) {
+        val packageUri = Uri.parse("package:$pkgName")
+        val intent = Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageUri)
+                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+
+        context.startActivity(intent)
+    }
+
+    /**
+     * Sets the result of the installation of an extension.
+     *
+     * @param downloadId The id of the download.
+     * @param result Whether the extension was installed or not.
+     */
+    fun setInstallationResult(downloadId: Long, result: Boolean) {
+        val step = if (result) InstallStep.Installed else InstallStep.Error
+        downloadsRelay.call(downloadId to step)
+    }
+
+    /**
+     * Deletes the download for the given package name.
+     *
+     * @param pkgName The package name of the download to delete.
+     */
+    fun deleteDownload(pkgName: String) {
+        val downloadId = activeDownloads.remove(pkgName)
+        if (downloadId != null) {
+            downloadManager.remove(downloadId)
+        }
+        if (activeDownloads.isEmpty()) {
+            downloadReceiver.unregister()
+        }
+    }
+
+    /**
+     * Receiver that listens to download status events.
+     */
+    private inner class DownloadCompletionReceiver : BroadcastReceiver() {
+
+        /**
+         * Whether this receiver is currently registered.
+         */
+        private var isRegistered = false
+
+        /**
+         * Registers this receiver if it's not already.
+         */
+        fun register() {
+            if (isRegistered) return
+            isRegistered = true
+
+            val filter = IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)
+            context.registerReceiver(this, filter)
+        }
+
+        /**
+         * Unregisters this receiver if it's not already.
+         */
+        fun unregister() {
+            if (!isRegistered) return
+            isRegistered = false
+
+            context.unregisterReceiver(this)
+        }
+
+        /**
+         * Called when a download event is received. It looks for the download in the current active
+         * downloads and notifies its installation step.
+         */
+        override fun onReceive(context: Context, intent: Intent?) {
+            val id = intent?.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0) ?: return
+
+            // Avoid events for downloads we didn't request
+            if (id !in activeDownloads.values) return
+
+            val uri = downloadManager.getUriForDownloadedFile(id)
+
+            // Set next installation step
+            if (uri != null) {
+                downloadsRelay.call(id to InstallStep.Installing)
+            } else {
+                Timber.e("Couldn't locate downloaded APK")
+                downloadsRelay.call(id to InstallStep.Error)
+                return
+            }
+
+            // Due to a bug in Android versions prior to N, the installer can't open files that do
+            // not contain the extension in the path, even if you specify the correct MIME.
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+                val query = DownloadManager.Query().setFilterById(id)
+                downloadManager.query(query).use { cursor ->
+                    if (cursor.moveToFirst()) {
+                        @Suppress("DEPRECATION")
+                        val uriCompat = File(cursor.getString(cursor.getColumnIndex(
+                                DownloadManager.COLUMN_LOCAL_FILENAME))).getUriCompat(context)
+                        installApk(id, uriCompat)
+                    }
+                }
+            } else {
+                installApk(id, uri)
+            }
+        }
+    }
+
+    companion object {
+        const val APK_MIME = "application/vnd.android.package-archive"
+        const val EXTRA_DOWNLOAD_ID = "ExtensionInstaller.extra.DOWNLOAD_ID"
+    }
+
+}

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt

@@ -0,0 +1,183 @@
+package eu.kanade.tachiyomi.extension.util
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import dalvik.system.PathClassLoader
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.extension.model.Extension
+import eu.kanade.tachiyomi.extension.model.LoadResult
+import eu.kanade.tachiyomi.source.CatalogueSource
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.source.SourceFactory
+import eu.kanade.tachiyomi.util.Hash
+import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.experimental.runBlocking
+import timber.log.Timber
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+/**
+ * Class that handles the loading of the extensions installed in the system.
+ */
+@SuppressLint("PackageManagerGetSignatures")
+internal object ExtensionLoader {
+
+    private const val EXTENSION_FEATURE = "tachiyomi.extension"
+    private const val METADATA_SOURCE_CLASS = "tachiyomi.extension.class"
+    private const val LIB_VERSION_MIN = 1
+    private const val LIB_VERSION_MAX = 1
+
+    private const val PACKAGE_FLAGS = PackageManager.GET_CONFIGURATIONS or PackageManager.GET_SIGNATURES
+
+    /**
+     * List of the trusted signatures.
+     */
+    var trustedSignatures = mutableSetOf<String>() +
+            Injekt.get<PreferencesHelper>().trustedSignatures().getOrDefault() +
+            // inorichi's key
+            "7ce04da7773d41b489f4693a366c36bcd0a11fc39b547168553c285bd7348e23"
+
+    /**
+     * Return a list of all the installed extensions initialized concurrently.
+     *
+     * @param context The application context.
+     */
+    fun loadExtensions(context: Context): List<LoadResult> {
+        val pkgManager = context.packageManager
+        val installedPkgs = pkgManager.getInstalledPackages(PACKAGE_FLAGS)
+        val extPkgs = installedPkgs.filter { isPackageAnExtension(it) }
+
+        if (extPkgs.isEmpty()) return emptyList()
+
+        // Load each extension concurrently and wait for completion
+        return runBlocking {
+            val deferred = extPkgs.map {
+                async { loadExtension(context, it.packageName, it) }
+            }
+            deferred.map { it.await() }
+        }
+    }
+
+    /**
+     * Attempts to load an extension from the given package name. It checks if the extension
+     * contains the required feature flag before trying to load it.
+     */
+    fun loadExtensionFromPkgName(context: Context, pkgName: String): LoadResult {
+        val pkgInfo = try {
+            context.packageManager.getPackageInfo(pkgName, PACKAGE_FLAGS)
+        } catch (error: PackageManager.NameNotFoundException) {
+            // Unlikely, but the package may have been uninstalled at this point
+            return LoadResult.Error(error)
+        }
+        if (!isPackageAnExtension(pkgInfo)) {
+            return LoadResult.Error("Tried to load a package that wasn't a extension")
+        }
+        return loadExtension(context, pkgName, pkgInfo)
+    }
+
+    /**
+     * Loads an extension given its package name.
+     *
+     * @param context The application context.
+     * @param pkgName The package name of the extension to load.
+     * @param pkgInfo The package info of the extension.
+     */
+    private fun loadExtension(context: Context, pkgName: String, pkgInfo: PackageInfo): LoadResult {
+        val pkgManager = context.packageManager
+
+        val appInfo = try {
+            pkgManager.getApplicationInfo(pkgName, PackageManager.GET_META_DATA)
+        } catch (error: PackageManager.NameNotFoundException) {
+            // Unlikely, but the package may have been uninstalled at this point
+            return LoadResult.Error(error)
+        }
+
+        val extName = pkgManager.getApplicationLabel(appInfo)?.toString()
+            .orEmpty().substringAfter("Tachiyomi: ")
+        val versionName = pkgInfo.versionName
+        val versionCode = pkgInfo.versionCode
+
+        // Validate lib version
+        val majorLibVersion = versionName.substringBefore('.').toInt()
+        if (majorLibVersion < LIB_VERSION_MIN || majorLibVersion > LIB_VERSION_MAX) {
+            val exception = Exception("Lib version is $majorLibVersion, while only versions " +
+                    "$LIB_VERSION_MIN to $LIB_VERSION_MAX are allowed")
+            Timber.w(exception)
+            return LoadResult.Error(exception)
+        }
+
+        val signatureHash = getSignatureHash(pkgInfo)
+
+        if (signatureHash == null) {
+            return LoadResult.Error("Package $pkgName isn't signed")
+        } else if (signatureHash !in trustedSignatures) {
+            val extension = Extension.Untrusted(extName, pkgName, versionName, versionCode, signatureHash)
+            Timber.w("Extension $pkgName isn't trusted")
+            return LoadResult.Untrusted(extension)
+        }
+
+        val classLoader = PathClassLoader(appInfo.sourceDir, null, context.classLoader)
+
+        val sources = appInfo.metaData.getString(METADATA_SOURCE_CLASS)
+                .split(";")
+                .map {
+                    val sourceClass = it.trim()
+                    if (sourceClass.startsWith("."))
+                        pkgInfo.packageName + sourceClass
+                    else
+                        sourceClass
+                }
+                .flatMap {
+                    try {
+                        val obj = Class.forName(it, false, classLoader).newInstance()
+                        when (obj) {
+                            is Source -> listOf(obj)
+                            is SourceFactory -> obj.createSources()
+                            else -> throw Exception("Unknown source class type! ${obj.javaClass}")
+                        }
+                    } catch (e: Throwable) {
+                        Timber.e(e, "Extension load error: $extName.")
+                        return LoadResult.Error(e)
+                    }
+                }
+        val langs = sources.filterIsInstance<CatalogueSource>()
+                .map { it.lang }
+                .toSet()
+
+        val lang = when (langs.size) {
+            0 -> ""
+            1 -> langs.first()
+            else -> "all"
+        }
+
+        val extension = Extension.Installed(extName, pkgName, versionName, versionCode, sources, lang)
+        return LoadResult.Success(extension)
+    }
+
+    /**
+     * Returns true if the given package is an extension.
+     *
+     * @param pkgInfo The package info of the application.
+     */
+    private fun isPackageAnExtension(pkgInfo: PackageInfo): Boolean {
+        return pkgInfo.reqFeatures.orEmpty().any { it.name == EXTENSION_FEATURE }
+    }
+
+    /**
+     * Returns the signature hash of the package or null if it's not signed.
+     *
+     * @param pkgInfo The package info of the application.
+     */
+    private fun getSignatureHash(pkgInfo: PackageInfo): String? {
+        val signatures = pkgInfo.signatures
+        return if (signatures != null && !signatures.isEmpty()) {
+            Hash.sha256(signatures.first().toByteArray())
+        } else {
+            null
+        }
+    }
+
+}

app/src/main/java/eu/kanade/tachiyomi/network/CloudflareInterceptor.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.network
 
 import com.squareup.duktape.Duktape
+import okhttp3.CacheControl
 import okhttp3.HttpUrl
 import okhttp3.Interceptor
 import okhttp3.Request
@@ -14,12 +15,14 @@ class CloudflareInterceptor : Interceptor {
 
     private val challengePattern = Regex("""name="jschl_vc" value="(\w+)"""")
 
+    private val serverCheck = arrayOf("cloudflare-nginx", "cloudflare")
+
     @Synchronized
     override fun intercept(chain: Interceptor.Chain): Response {
         val response = chain.proceed(chain.request())
 
         // Check if Cloudflare anti-bot is on
-        if (response.code() == 503 && "cloudflare-nginx" == response.header("Server")) {
+        if (response.code() == 503 && response.header("Server") in serverCheck) {
             return chain.proceed(resolveChallenge(response))
         }
 
@@ -41,32 +44,33 @@ class CloudflareInterceptor : Interceptor {
             val pass = passPattern.find(content)?.groups?.get(1)?.value
 
             if (operation == null || challenge == null || pass == null) {
-                throw RuntimeException("Failed resolving Cloudflare challenge")
+                throw Exception("Failed resolving Cloudflare challenge")
             }
 
             val js = operation
-                    .replace(Regex("""a\.value =(.+?) \+.*"""), "$1")
+                    .replace(Regex("""a\.value = (.+ \+ t\.length).+"""), "$1")
                     .replace(Regex("""\s{3,}[a-z](?: = |\.).+"""), "")
+                    .replace("t.length", "${domain.length}")
                     .replace("\n", "")
 
-            val result = (duktape.evaluate(js) as Double).toInt()
-
-            val answer = "${result + domain.length}"
+            val result = duktape.evaluate(js) as Double
 
             val cloudflareUrl = HttpUrl.parse("${url.scheme()}://$domain/cdn-cgi/l/chk_jschl")!!
                     .newBuilder()
                     .addQueryParameter("jschl_vc", challenge)
                     .addQueryParameter("pass", pass)
-                    .addQueryParameter("jschl_answer", answer)
+                    .addQueryParameter("jschl_answer", "$result")
                     .toString()
 
             val cloudflareHeaders = originalRequest.headers()
                     .newBuilder()
                     .add("Referer", url.toString())
+                    .add("Accept", "text/html,application/xhtml+xml,application/xml")
+                    .add("Accept-Language", "en")
                     .build()
 
-            return GET(cloudflareUrl, cloudflareHeaders)
+            return GET(cloudflareUrl, cloudflareHeaders, cache = CacheControl.Builder().build())
         }
     }
 
-}
+}