Merge branch 'play' into dev

app/build.gradle

@@ -55,7 +55,7 @@ dependencies {
         exclude module: 'support-annotations'
     }
 
-    implementation 'com.github.TeamNewPipe:NewPipeExtractor:7fd21ec08581d'
+    implementation 'com.github.TeamNewPipe:NewPipeExtractor:4fb49d54b5'
 
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.mockito:mockito-core:1.10.19'

app/src/debug/java/org/schabi/newpipe/DebugApp.java

@@ -17,7 +17,6 @@ public class DebugApp extends App {
     @Override
     public void onCreate() {
         super.onCreate();
-
         initStetho();
     }
 

app/src/main/java/org/schabi/newpipe/App.java

@@ -1,15 +1,13 @@
 package org.schabi.newpipe;
 
-import android.app.AlarmManager;
 import android.app.Application;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
-import android.app.PendingIntent;
 import android.content.Context;
-import android.content.Intent;
 import android.os.Build;
 import android.util.Log;
 
+import com.nostra13.universalimageloader.cache.memory.impl.LRULimitedMemoryCache;
 import com.nostra13.universalimageloader.core.ImageLoader;
 import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
 
@@ -80,8 +78,7 @@ public class App extends Application {
         initNotificationChannel();
 
         // Initialize image loader
-        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(this).build();
+        ImageLoader.getInstance().init(getImageLoaderConfigurations(10, 50));
-        ImageLoader.getInstance().init(config);
 
         configureRxJavaErrorHandler();
     }
@@ -119,6 +116,14 @@ public class App extends Application {
         });
     }
 
+    private ImageLoaderConfiguration getImageLoaderConfigurations(final int memoryCacheSizeMb,
+                                                                  final int diskCacheSizeMb) {
+        return new ImageLoaderConfiguration.Builder(this)
+                .memoryCache(new LRULimitedMemoryCache(memoryCacheSizeMb * 1024 * 1024))
+                .diskCacheSize(diskCacheSizeMb * 1024 * 1024)
+                .build();
+    }
+
     private void initACRA() {
         try {
             final ACRAConfiguration acraConfig = new ConfigurationBuilder(this)

app/src/main/java/org/schabi/newpipe/MainActivity.java

@@ -26,8 +26,6 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.preference.PreferenceManager;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.support.design.widget.NavigationView;
 import android.support.v4.app.Fragment;
 import android.support.v4.view.GravityCompat;
@@ -42,40 +40,21 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 
-import org.schabi.newpipe.database.AppDatabase;
-import org.schabi.newpipe.database.history.dao.HistoryDAO;
-import org.schabi.newpipe.database.history.dao.SearchHistoryDAO;
-import org.schabi.newpipe.database.history.dao.WatchHistoryDAO;
-import org.schabi.newpipe.database.history.model.HistoryEntry;
-import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
-import org.schabi.newpipe.database.history.model.WatchHistoryEntry;
 import org.schabi.newpipe.extractor.StreamingService;
-import org.schabi.newpipe.extractor.stream.AudioStream;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
-import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.MainFragment;
 import org.schabi.newpipe.fragments.detail.VideoDetailFragment;
 import org.schabi.newpipe.fragments.list.search.SearchFragment;
-import org.schabi.newpipe.history.HistoryListener;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.ServiceHelper;
 import org.schabi.newpipe.util.StateSaver;
 import org.schabi.newpipe.util.ThemeHelper;
 
-import java.util.Date;
+public class MainActivity extends AppCompatActivity {
-
-import io.reactivex.disposables.Disposable;
-import io.reactivex.functions.Consumer;
-import io.reactivex.schedulers.Schedulers;
-import io.reactivex.subjects.PublishSubject;
-
-public class MainActivity extends AppCompatActivity implements HistoryListener {
     private static final String TAG = "MainActivity";
     public static final boolean DEBUG = !BuildConfig.BUILD_TYPE.equals("release");
 
-    private SharedPreferences sharedPreferences;
     private ActionBarDrawerToggle toggle = null;
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -86,7 +65,6 @@ public class MainActivity extends AppCompatActivity implements HistoryListener {
     protected void onCreate(Bundle savedInstanceState) {
         if (DEBUG) Log.d(TAG, "onCreate() called with: savedInstanceState = [" + savedInstanceState + "]");
 
-        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
         ThemeHelper.setTheme(this, ServiceHelper.getSelectedServiceId(this));
 
         super.onCreate(savedInstanceState);
@@ -98,7 +76,6 @@ public class MainActivity extends AppCompatActivity implements HistoryListener {
 
         setSupportActionBar(findViewById(R.id.toolbar));
         setupDrawer();
-        initHistory();
     }
 
     private void setupDrawer() {
@@ -149,8 +126,6 @@ public class MainActivity extends AppCompatActivity implements HistoryListener {
         if (!isChangingConfigurations()) {
             StateSaver.clearStateFiles();
         }
-
-        disposeHistory();
     }
 
     @Override
@@ -357,75 +332,4 @@ public class MainActivity extends AppCompatActivity implements HistoryListener {
             NavigationHelper.gotoMainFragment(getSupportFragmentManager());
         }
     }
-
-    /*//////////////////////////////////////////////////////////////////////////
-    // History
-    //////////////////////////////////////////////////////////////////////////*/
-
-    private WatchHistoryDAO watchHistoryDAO;
-    private SearchHistoryDAO searchHistoryDAO;
-    private PublishSubject<HistoryEntry> historyEntrySubject;
-    private Disposable disposable;
-
-    private void initHistory() {
-        final AppDatabase database = NewPipeDatabase.getInstance();
-        watchHistoryDAO = database.watchHistoryDAO();
-        searchHistoryDAO = database.searchHistoryDAO();
-        historyEntrySubject = PublishSubject.create();
-        disposable = historyEntrySubject
-                .observeOn(Schedulers.io())
-                .subscribe(getHistoryEntryConsumer());
-    }
-
-    private void disposeHistory() {
-        if (disposable != null) disposable.dispose();
-        watchHistoryDAO = null;
-        searchHistoryDAO = null;
-    }
-
-    @NonNull
-    private Consumer<HistoryEntry> getHistoryEntryConsumer() {
-        return new Consumer<HistoryEntry>() {
-            @Override
-            public void accept(HistoryEntry historyEntry) throws Exception {
-                //noinspection unchecked
-                HistoryDAO<HistoryEntry> historyDAO = (HistoryDAO<HistoryEntry>)
-                        (historyEntry instanceof SearchHistoryEntry ? searchHistoryDAO : watchHistoryDAO);
-
-                HistoryEntry latestEntry = historyDAO.getLatestEntry();
-                if (historyEntry.hasEqualValues(latestEntry)) {
-                    latestEntry.setCreationDate(historyEntry.getCreationDate());
-                    historyDAO.update(latestEntry);
-                } else {
-                    historyDAO.insert(historyEntry);
-                }
-            }
-        };
-    }
-
-    private void addWatchHistoryEntry(StreamInfo streamInfo) {
-        if (sharedPreferences.getBoolean(getString(R.string.enable_watch_history_key), true)) {
-            WatchHistoryEntry entry = new WatchHistoryEntry(streamInfo);
-            historyEntrySubject.onNext(entry);
-        }
-    }
-
-    @Override
-    public void onVideoPlayed(StreamInfo streamInfo, @Nullable VideoStream videoStream) {
-        addWatchHistoryEntry(streamInfo);
-    }
-
-    @Override
-    public void onAudioPlayed(StreamInfo streamInfo, AudioStream audioStream) {
-        addWatchHistoryEntry(streamInfo);
-    }
-
-    @Override
-    public void onSearch(int serviceId, String query) {
-        // Add search history entry
-        if (sharedPreferences.getBoolean(getString(R.string.enable_search_history_key), true)) {
-            SearchHistoryEntry searchHistoryEntry = new SearchHistoryEntry(new Date(), serviceId, query);
-            historyEntrySubject.onNext(searchHistoryEntry);
-        }
-    }
 }

app/src/main/java/org/schabi/newpipe/NewPipeDatabase.java

@@ -7,6 +7,7 @@ import android.support.annotation.NonNull;
 import org.schabi.newpipe.database.AppDatabase;
 
 import static org.schabi.newpipe.database.AppDatabase.DATABASE_NAME;
+import static org.schabi.newpipe.database.Migrations.MIGRATION_11_12;
 
 public final class NewPipeDatabase {
 
@@ -17,15 +18,24 @@ public final class NewPipeDatabase {
     }
 
     public static void init(Context context) {
-        databaseInstance = Room.databaseBuilder(context.getApplicationContext(),
+        databaseInstance = Room
-                AppDatabase.class, DATABASE_NAME
+                .databaseBuilder(context, AppDatabase.class, DATABASE_NAME)
-        ).build();
+                .addMigrations(MIGRATION_11_12)
+                .fallbackToDestructiveMigration()
+                .build();
     }
 
     @NonNull
+    @Deprecated
     public static AppDatabase getInstance() {
         if (databaseInstance == null) throw new RuntimeException("Database not initialized");
 
         return databaseInstance;
     }
+
+    @NonNull
+    public static AppDatabase getInstance(Context context) {
+        if (databaseInstance == null) init(context);
+        return databaseInstance;
+    }
 }

app/src/main/java/org/schabi/newpipe/database/AppDatabase.java

@@ -4,23 +4,52 @@ import android.arch.persistence.room.Database;
 import android.arch.persistence.room.RoomDatabase;
 import android.arch.persistence.room.TypeConverters;
 
-import org.schabi.newpipe.database.history.Converters;
 import org.schabi.newpipe.database.history.dao.SearchHistoryDAO;
-import org.schabi.newpipe.database.history.dao.WatchHistoryDAO;
+import org.schabi.newpipe.database.history.dao.StreamHistoryDAO;
 import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
-import org.schabi.newpipe.database.history.model.WatchHistoryEntry;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntity;
+import org.schabi.newpipe.database.playlist.dao.PlaylistDAO;
+import org.schabi.newpipe.database.playlist.dao.PlaylistRemoteDAO;
+import org.schabi.newpipe.database.playlist.dao.PlaylistStreamDAO;
+import org.schabi.newpipe.database.playlist.model.PlaylistEntity;
+import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
+import org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity;
+import org.schabi.newpipe.database.stream.dao.StreamDAO;
+import org.schabi.newpipe.database.stream.dao.StreamStateDAO;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.database.stream.model.StreamStateEntity;
 import org.schabi.newpipe.database.subscription.SubscriptionDAO;
 import org.schabi.newpipe.database.subscription.SubscriptionEntity;
 
+import static org.schabi.newpipe.database.Migrations.DB_VER_12_0;
+
 @TypeConverters({Converters.class})
-@Database(entities = {SubscriptionEntity.class, WatchHistoryEntry.class, SearchHistoryEntry.class}, version = 1, exportSchema = false)
+@Database(
+        entities = {
+                SubscriptionEntity.class, SearchHistoryEntry.class,
+                StreamEntity.class, StreamHistoryEntity.class, StreamStateEntity.class,
+                PlaylistEntity.class, PlaylistStreamEntity.class, PlaylistRemoteEntity.class
+        },
+        version = DB_VER_12_0,
+        exportSchema = false
+)
 public abstract class AppDatabase extends RoomDatabase {
 
     public static final String DATABASE_NAME = "newpipe.db";
 
     public abstract SubscriptionDAO subscriptionDAO();
 
-    public abstract WatchHistoryDAO watchHistoryDAO();
-
     public abstract SearchHistoryDAO searchHistoryDAO();
+
+    public abstract StreamDAO streamDAO();
+
+    public abstract StreamHistoryDAO streamHistoryDAO();
+
+    public abstract StreamStateDAO streamStateDAO();
+
+    public abstract PlaylistDAO playlistDAO();
+
+    public abstract PlaylistStreamDAO playlistStreamDAO();
+
+    public abstract PlaylistRemoteDAO playlistRemoteDAO();
 }

app/src/main/java/org/schabi/newpipe/database/BasicDAO.java

@@ -23,9 +23,6 @@ public interface BasicDAO<Entity> {
     @Insert(onConflict = OnConflictStrategy.FAIL)
     List<Long> insertAll(final Collection<Entity> entities);
 
-    @Insert(onConflict = OnConflictStrategy.REPLACE)
-    long upsert(final Entity entity);
-
     /* Searches */
     Flowable<List<Entity>> getAll();
 

app/src/main/java/org/schabi/newpipe/database/Converters.java

@@ -1,7 +1,9 @@
-package org.schabi.newpipe.database.history;
+package org.schabi.newpipe.database;
 
 import android.arch.persistence.room.TypeConverter;
 
+import org.schabi.newpipe.extractor.stream.StreamType;
+
 import java.util.Date;
 
 public class Converters {
@@ -25,4 +27,14 @@ public class Converters {
     public static Long dateToTimestamp(Date date) {
         return date == null ? null : date.getTime();
     }
+
+    @TypeConverter
+    public static StreamType streamTypeOf(String value) {
+        return StreamType.valueOf(value);
+    }
+
+    @TypeConverter
+    public static String stringOf(StreamType streamType) {
+        return streamType.name();
+    }
 }

app/src/main/java/org/schabi/newpipe/database/LocalItem.java

@@ -0,0 +1,13 @@
+package org.schabi.newpipe.database;
+
+public interface LocalItem {
+    enum LocalItemType {
+        PLAYLIST_LOCAL_ITEM,
+        PLAYLIST_REMOTE_ITEM,
+
+        PLAYLIST_STREAM_ITEM,
+        STATISTIC_STREAM_ITEM,
+    }
+
+    LocalItemType getLocalItemType();
+}

app/src/main/java/org/schabi/newpipe/database/Migrations.java

@@ -0,0 +1,61 @@
+package org.schabi.newpipe.database;
+
+import android.arch.persistence.db.SupportSQLiteDatabase;
+import android.arch.persistence.room.migration.Migration;
+import android.support.annotation.NonNull;
+
+public class Migrations {
+
+    public static final int DB_VER_11_0 = 1;
+    public static final int DB_VER_12_0 = 2;
+
+    public static final Migration MIGRATION_11_12 = new Migration(DB_VER_11_0, DB_VER_12_0) {
+        @Override
+        public void migrate(@NonNull SupportSQLiteDatabase database) {
+            /*
+            * Unfortunately these queries must be hardcoded due to the possibility of
+            * schema and names changing at a later date, thus invalidating the older migration
+            * scripts if they are not hardcoded.
+            * */
+
+            // Not much we can do about this, since room doesn't create tables before migration.
+            // It's either this or blasting the entire database anew.
+            database.execSQL("CREATE  INDEX `index_search_history_search` ON `search_history` (`search`)");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `streams` (`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `service_id` INTEGER NOT NULL, `url` TEXT, `title` TEXT, `stream_type` TEXT, `duration` INTEGER, `uploader` TEXT, `thumbnail_url` TEXT)");
+            database.execSQL("CREATE UNIQUE INDEX `index_streams_service_id_url` ON `streams` (`service_id`, `url`)");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `stream_history` (`stream_id` INTEGER NOT NULL, `access_date` INTEGER NOT NULL, `repeat_count` INTEGER NOT NULL, PRIMARY KEY(`stream_id`, `access_date`), FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) ON UPDATE CASCADE ON DELETE CASCADE )");
+            database.execSQL("CREATE  INDEX `index_stream_history_stream_id` ON `stream_history` (`stream_id`)");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `stream_state` (`stream_id` INTEGER NOT NULL, `progress_time` INTEGER NOT NULL, PRIMARY KEY(`stream_id`), FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) ON UPDATE CASCADE ON DELETE CASCADE )");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `playlists` (`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT, `thumbnail_url` TEXT)");
+            database.execSQL("CREATE  INDEX `index_playlists_name` ON `playlists` (`name`)");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `playlist_stream_join` (`playlist_id` INTEGER NOT NULL, `stream_id` INTEGER NOT NULL, `join_index` INTEGER NOT NULL, PRIMARY KEY(`playlist_id`, `join_index`), FOREIGN KEY(`playlist_id`) REFERENCES `playlists`(`uid`) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)");
+            database.execSQL("CREATE UNIQUE INDEX `index_playlist_stream_join_playlist_id_join_index` ON `playlist_stream_join` (`playlist_id`, `join_index`)");
+            database.execSQL("CREATE  INDEX `index_playlist_stream_join_stream_id` ON `playlist_stream_join` (`stream_id`)");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `remote_playlists` (`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `service_id` INTEGER NOT NULL, `name` TEXT, `url` TEXT, `thumbnail_url` TEXT, `uploader` TEXT, `stream_count` INTEGER)");
+            database.execSQL("CREATE  INDEX `index_remote_playlists_name` ON `remote_playlists` (`name`)");
+            database.execSQL("CREATE UNIQUE INDEX `index_remote_playlists_service_id_url` ON `remote_playlists` (`service_id`, `url`)");
+
+            // Populate streams table with existing entries in watch history
+            // Latest data first, thus ignoring older entries with the same indices
+            database.execSQL("INSERT OR IGNORE INTO streams (service_id, url, title, " +
+                    "stream_type, duration, uploader, thumbnail_url) " +
+
+                    "SELECT service_id, url, title, 'VIDEO_STREAM', duration, " +
+                    "uploader, thumbnail_url " +
+
+                    "FROM watch_history " +
+                    "ORDER BY creation_date DESC");
+
+            // Once the streams have PKs, join them with the normalized history table
+            // and populate it with the remaining data from watch history
+            database.execSQL("INSERT INTO stream_history (stream_id, access_date, repeat_count)" +
+                    "SELECT uid, creation_date, 1 " +
+                    "FROM watch_history INNER JOIN streams " +
+                    "ON watch_history.service_id == streams.service_id " +
+                    "AND watch_history.url == streams.url " +
+                    "ORDER BY creation_date DESC");
+
+            database.execSQL("DROP TABLE IF EXISTS watch_history");
+        }
+    };
+}

app/src/main/java/org/schabi/newpipe/database/history/dao/SearchHistoryDAO.java

@@ -2,7 +2,9 @@ package org.schabi.newpipe.database.history.dao;
 
 import android.arch.persistence.room.Dao;
 import android.arch.persistence.room.Query;
+import android.support.annotation.Nullable;
 
+import org.schabi.newpipe.database.BasicDAO;
 import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
 
 import java.util.List;
@@ -20,8 +22,9 @@ public interface SearchHistoryDAO extends HistoryDAO<SearchHistoryEntry> {
 
     String ORDER_BY_CREATION_DATE = " ORDER BY " + CREATION_DATE + " DESC";
 
-    @Query("SELECT * FROM " + TABLE_NAME + " WHERE " + ID + " = (SELECT MAX(" + ID + ") FROM " + TABLE_NAME + ")")
+    @Query("SELECT * FROM " + TABLE_NAME +
-    @Override
+            " WHERE " + ID + " = (SELECT MAX(" + ID + ") FROM " + TABLE_NAME + ")")
+    @Nullable
     SearchHistoryEntry getLatestEntry();
 
     @Query("DELETE FROM " + TABLE_NAME)

app/src/main/java/org/schabi/newpipe/database/history/dao/StreamHistoryDAO.java

@@ -0,0 +1,68 @@
+package org.schabi.newpipe.database.history.dao;
+
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Query;
+import android.support.annotation.Nullable;
+
+import org.schabi.newpipe.database.BasicDAO;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntry;
+import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntity;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.STREAM_REPEAT_COUNT;
+import static org.schabi.newpipe.database.stream.StreamStatisticsEntry.STREAM_LATEST_DATE;
+import static org.schabi.newpipe.database.stream.StreamStatisticsEntry.STREAM_WATCH_COUNT;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_ID;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_TABLE;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.JOIN_STREAM_ID;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.STREAM_ACCESS_DATE;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.STREAM_HISTORY_TABLE;
+
+@Dao
+public abstract class StreamHistoryDAO implements HistoryDAO<StreamHistoryEntity> {
+    @Query("SELECT * FROM " + STREAM_HISTORY_TABLE +
+            " WHERE " + STREAM_ACCESS_DATE + " = " +
+            "(SELECT MAX(" + STREAM_ACCESS_DATE + ") FROM " + STREAM_HISTORY_TABLE + ")")
+    @Override
+    @Nullable
+    public abstract StreamHistoryEntity getLatestEntry();
+
+    @Override
+    @Query("SELECT * FROM " + STREAM_HISTORY_TABLE)
+    public abstract Flowable<List<StreamHistoryEntity>> getAll();
+
+    @Override
+    @Query("DELETE FROM " + STREAM_HISTORY_TABLE)
+    public abstract int deleteAll();
+
+    @Override
+    public Flowable<List<StreamHistoryEntity>> listByService(int serviceId) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Query("SELECT * FROM " + STREAM_TABLE +
+            " INNER JOIN " + STREAM_HISTORY_TABLE +
+            " ON " + STREAM_ID + " = " + JOIN_STREAM_ID +
+            " ORDER BY " + STREAM_ACCESS_DATE + " DESC")
+    public abstract Flowable<List<StreamHistoryEntry>> getHistory();
+
+    @Query("DELETE FROM " + STREAM_HISTORY_TABLE + " WHERE " + JOIN_STREAM_ID + " = :streamId")
+    public abstract int deleteStreamHistory(final long streamId);
+
+    @Query("SELECT * FROM " + STREAM_TABLE +
+
+            // Select the latest entry and watch count for each stream id on history table
+            " INNER JOIN " +
+            "(SELECT " + JOIN_STREAM_ID + ", " +
+            "  MAX(" + STREAM_ACCESS_DATE + ") AS " + STREAM_LATEST_DATE + ", " +
+            "  SUM(" + STREAM_REPEAT_COUNT + ") AS " + STREAM_WATCH_COUNT +
+            " FROM " + STREAM_HISTORY_TABLE + " GROUP BY " + JOIN_STREAM_ID + ")" +
+
+            " ON " + STREAM_ID + " = " + JOIN_STREAM_ID)
+    public abstract Flowable<List<StreamStatisticsEntry>> getStatistics();
+}

app/src/main/java/org/schabi/newpipe/database/history/dao/WatchHistoryDAO.java

@@ -1,37 +0,0 @@
-package org.schabi.newpipe.database.history.dao;
-
-import android.arch.persistence.room.Dao;
-import android.arch.persistence.room.Query;
-
-import org.schabi.newpipe.database.history.model.WatchHistoryEntry;
-
-import java.util.List;
-
-import io.reactivex.Flowable;
-
-import static org.schabi.newpipe.database.history.model.WatchHistoryEntry.CREATION_DATE;
-import static org.schabi.newpipe.database.history.model.WatchHistoryEntry.ID;
-import static org.schabi.newpipe.database.history.model.WatchHistoryEntry.SERVICE_ID;
-import static org.schabi.newpipe.database.history.model.WatchHistoryEntry.TABLE_NAME;
-
-@Dao
-public interface WatchHistoryDAO extends HistoryDAO<WatchHistoryEntry> {
-
-    String ORDER_BY_CREATION_DATE = " ORDER BY " + CREATION_DATE + " DESC";
-
-    @Query("SELECT * FROM " + TABLE_NAME + " WHERE " + ID + " = (SELECT MAX(" + ID + ") FROM " + TABLE_NAME + ")")
-    @Override
-    WatchHistoryEntry getLatestEntry();
-
-    @Query("DELETE FROM " + TABLE_NAME)
-    @Override
-    int deleteAll();
-
-    @Query("SELECT * FROM " + TABLE_NAME + ORDER_BY_CREATION_DATE)
-    @Override
-    Flowable<List<WatchHistoryEntry>> getAll();
-
-    @Query("SELECT * FROM " + TABLE_NAME + " WHERE " + SERVICE_ID + " = :serviceId" + ORDER_BY_CREATION_DATE)
-    @Override
-    Flowable<List<WatchHistoryEntry>> listByService(int serviceId);
-}

app/src/main/java/org/schabi/newpipe/database/history/model/HistoryEntry.java

@@ -1,60 +0,0 @@
-package org.schabi.newpipe.database.history.model;
-
-import android.arch.persistence.room.ColumnInfo;
-import android.arch.persistence.room.Entity;
-import android.arch.persistence.room.Ignore;
-import android.arch.persistence.room.PrimaryKey;
-
-import java.util.Date;
-
-@Entity
-public abstract class HistoryEntry {
-
-    public static final String ID = "id";
-    public static final String SERVICE_ID = "service_id";
-    public static final String CREATION_DATE = "creation_date";
-
-    @ColumnInfo(name = CREATION_DATE)
-    private Date creationDate;
-
-    @ColumnInfo(name = SERVICE_ID)
-    private int serviceId;
-
-    @ColumnInfo(name = ID)
-    @PrimaryKey(autoGenerate = true)
-    private long id;
-
-    public HistoryEntry(Date creationDate, int serviceId) {
-        this.serviceId = serviceId;
-        this.creationDate = creationDate;
-    }
-
-    public long getId() {
-        return id;
-    }
-
-    public void setId(long id) {
-        this.id = id;
-    }
-
-    public Date getCreationDate() {
-        return creationDate;
-    }
-
-    public void setCreationDate(Date creationDate) {
-        this.creationDate = creationDate;
-    }
-
-    public int getServiceId() {
-        return serviceId;
-    }
-
-    public void setServiceId(int serviceId) {
-        this.serviceId = serviceId;
-    }
-
-    @Ignore
-    public boolean hasEqualValues(HistoryEntry otherEntry) {
-        return otherEntry != null && getServiceId() == otherEntry.getServiceId();
-    }
-}

app/src/main/java/org/schabi/newpipe/database/history/model/SearchHistoryEntry.java

@@ -3,23 +3,66 @@ package org.schabi.newpipe.database.history.model;
 import android.arch.persistence.room.ColumnInfo;
 import android.arch.persistence.room.Entity;
 import android.arch.persistence.room.Ignore;
+import android.arch.persistence.room.Index;
+import android.arch.persistence.room.PrimaryKey;
 
 import java.util.Date;
 
-@Entity(tableName = SearchHistoryEntry.TABLE_NAME)
+import static org.schabi.newpipe.database.history.model.SearchHistoryEntry.SEARCH;
-public class SearchHistoryEntry extends HistoryEntry {
 
+@Entity(tableName = SearchHistoryEntry.TABLE_NAME,
+        indices = {@Index(value = SEARCH)})
+public class SearchHistoryEntry {
+
+    public static final String ID = "id";
     public static final String TABLE_NAME = "search_history";
+    public static final String SERVICE_ID = "service_id";
+    public static final String CREATION_DATE = "creation_date";
     public static final String SEARCH = "search";
 
+    @ColumnInfo(name = ID)
+    @PrimaryKey(autoGenerate = true)
+    private long id;
+
+    @ColumnInfo(name = CREATION_DATE)
+    private Date creationDate;
+
+    @ColumnInfo(name = SERVICE_ID)
+    private int serviceId;
+
     @ColumnInfo(name = SEARCH)
     private String search;
 
     public SearchHistoryEntry(Date creationDate, int serviceId, String search) {
-        super(creationDate, serviceId);
+        this.serviceId = serviceId;
+        this.creationDate = creationDate;
         this.search = search;
     }
 
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public Date getCreationDate() {
+        return creationDate;
+    }
+
+    public void setCreationDate(Date creationDate) {
+        this.creationDate = creationDate;
+    }
+
+    public int getServiceId() {
+        return serviceId;
+    }
+
+    public void setServiceId(int serviceId) {
+        this.serviceId = serviceId;
+    }
+
     public String getSearch() {
         return search;
     }
@@ -29,9 +72,8 @@ public class SearchHistoryEntry extends HistoryEntry {
     }
 
     @Ignore
-    @Override
+    public boolean hasEqualValues(SearchHistoryEntry otherEntry) {
-    public boolean hasEqualValues(HistoryEntry otherEntry) {
+        return getServiceId() == otherEntry.getServiceId() &&
-        return otherEntry instanceof SearchHistoryEntry && super.hasEqualValues(otherEntry)
+                getSearch().equals(otherEntry.getSearch());
-                && getSearch().equals(((SearchHistoryEntry) otherEntry).getSearch());
     }
 }

app/src/main/java/org/schabi/newpipe/database/history/model/StreamHistoryEntity.java

@@ -0,0 +1,79 @@
+package org.schabi.newpipe.database.history.model;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.ForeignKey;
+import android.arch.persistence.room.Ignore;
+import android.arch.persistence.room.Index;
+import android.support.annotation.NonNull;
+
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+
+import java.util.Date;
+
+import static android.arch.persistence.room.ForeignKey.CASCADE;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.STREAM_HISTORY_TABLE;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.JOIN_STREAM_ID;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.STREAM_ACCESS_DATE;
+
+@Entity(tableName = STREAM_HISTORY_TABLE,
+        primaryKeys = {JOIN_STREAM_ID, STREAM_ACCESS_DATE},
+        // No need to index for timestamp as they will almost always be unique
+        indices = {@Index(value = {JOIN_STREAM_ID})},
+        foreignKeys = {
+                @ForeignKey(entity = StreamEntity.class,
+                        parentColumns = StreamEntity.STREAM_ID,
+                        childColumns = JOIN_STREAM_ID,
+                        onDelete = CASCADE, onUpdate = CASCADE)
+        })
+public class StreamHistoryEntity {
+    final public static String STREAM_HISTORY_TABLE = "stream_history";
+    final public static String JOIN_STREAM_ID       = "stream_id";
+    final public static String STREAM_ACCESS_DATE   = "access_date";
+    final public static String STREAM_REPEAT_COUNT  = "repeat_count";
+
+    @ColumnInfo(name = JOIN_STREAM_ID)
+    private long streamUid;
+
+    @NonNull
+    @ColumnInfo(name = STREAM_ACCESS_DATE)
+    private Date accessDate;
+
+    @ColumnInfo(name = STREAM_REPEAT_COUNT)
+    private long repeatCount;
+
+    public StreamHistoryEntity(long streamUid, @NonNull Date accessDate, long repeatCount) {
+        this.streamUid = streamUid;
+        this.accessDate = accessDate;
+        this.repeatCount = repeatCount;
+    }
+
+    @Ignore
+    public StreamHistoryEntity(long streamUid, @NonNull Date accessDate) {
+        this(streamUid, accessDate, 1);
+    }
+
+    public long getStreamUid() {
+        return streamUid;
+    }
+
+    public void setStreamUid(long streamUid) {
+        this.streamUid = streamUid;
+    }
+
+    public Date getAccessDate() {
+        return accessDate;
+    }
+
+    public void setAccessDate(@NonNull Date accessDate) {
+        this.accessDate = accessDate;
+    }
+
+    public long getRepeatCount() {
+        return repeatCount;
+    }
+
+    public void setRepeatCount(long repeatCount) {
+        this.repeatCount = repeatCount;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/history/model/StreamHistoryEntry.java

@@ -0,0 +1,59 @@
+package org.schabi.newpipe.database.history.model;
+
+import android.arch.persistence.room.ColumnInfo;
+
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.extractor.stream.StreamType;
+
+import java.util.Date;
+
+public class StreamHistoryEntry {
+    @ColumnInfo(name = StreamEntity.STREAM_ID)
+    final public long uid;
+    @ColumnInfo(name = StreamEntity.STREAM_SERVICE_ID)
+    final public int serviceId;
+    @ColumnInfo(name = StreamEntity.STREAM_URL)
+    final public String url;
+    @ColumnInfo(name = StreamEntity.STREAM_TITLE)
+    final public String title;
+    @ColumnInfo(name = StreamEntity.STREAM_TYPE)
+    final public StreamType streamType;
+    @ColumnInfo(name = StreamEntity.STREAM_DURATION)
+    final public long duration;
+    @ColumnInfo(name = StreamEntity.STREAM_UPLOADER)
+    final public String uploader;
+    @ColumnInfo(name = StreamEntity.STREAM_THUMBNAIL_URL)
+    final public String thumbnailUrl;
+    @ColumnInfo(name = StreamHistoryEntity.JOIN_STREAM_ID)
+    final public long streamId;
+    @ColumnInfo(name = StreamHistoryEntity.STREAM_ACCESS_DATE)
+    final public Date accessDate;
+    @ColumnInfo(name = StreamHistoryEntity.STREAM_REPEAT_COUNT)
+    final public long repeatCount;
+
+    public StreamHistoryEntry(long uid, int serviceId, String url, String title,
+                              StreamType streamType, long duration, String uploader,
+                              String thumbnailUrl, long streamId, Date accessDate,
+                              long repeatCount) {
+        this.uid = uid;
+        this.serviceId = serviceId;
+        this.url = url;
+        this.title = title;
+        this.streamType = streamType;
+        this.duration = duration;
+        this.uploader = uploader;
+        this.thumbnailUrl = thumbnailUrl;
+        this.streamId = streamId;
+        this.accessDate = accessDate;
+        this.repeatCount = repeatCount;
+    }
+
+    public StreamHistoryEntity toStreamHistoryEntity() {
+        return new StreamHistoryEntity(streamId, accessDate, repeatCount);
+    }
+
+    public boolean hasEqualValues(StreamHistoryEntry other) {
+        return this.uid == other.uid && streamId == other.streamId &&
+                accessDate.compareTo(other.accessDate) == 0;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/history/model/WatchHistoryEntry.java

@@ -1,109 +0,0 @@
-package org.schabi.newpipe.database.history.model;
-
-import android.arch.persistence.room.ColumnInfo;
-import android.arch.persistence.room.Entity;
-import android.arch.persistence.room.Ignore;
-
-import org.schabi.newpipe.extractor.stream.StreamInfo;
-
-import java.util.Date;
-
-@Entity(tableName = WatchHistoryEntry.TABLE_NAME)
-public class WatchHistoryEntry extends HistoryEntry {
-
-    public static final String TABLE_NAME = "watch_history";
-    public static final String TITLE = "title";
-    public static final String URL = "url";
-    public static final String STREAM_ID = "stream_id";
-    public static final String THUMBNAIL_URL = "thumbnail_url";
-    public static final String UPLOADER = "uploader";
-    public static final String DURATION = "duration";
-
-    @ColumnInfo(name = TITLE)
-    private String title;
-
-    @ColumnInfo(name = URL)
-    private String url;
-
-    @ColumnInfo(name = STREAM_ID)
-    private String streamId;
-
-    @ColumnInfo(name = THUMBNAIL_URL)
-    private String thumbnailURL;
-
-    @ColumnInfo(name = UPLOADER)
-    private String uploader;
-
-    @ColumnInfo(name = DURATION)
-    private long duration;
-
-    public WatchHistoryEntry(Date creationDate, int serviceId, String title, String url, String streamId, String thumbnailURL, String uploader, long duration) {
-        super(creationDate, serviceId);
-        this.title = title;
-        this.url = url;
-        this.streamId = streamId;
-        this.thumbnailURL = thumbnailURL;
-        this.uploader = uploader;
-        this.duration = duration;
-    }
-
-    public WatchHistoryEntry(StreamInfo streamInfo) {
-        this(new Date(), streamInfo.getServiceId(), streamInfo.getName(), streamInfo.getUrl(),
-                streamInfo.id, streamInfo.thumbnail_url, streamInfo.uploader_name, streamInfo.duration);
-    }
-
-    public String getUrl() {
-        return url;
-    }
-
-    public void setUrl(String url) {
-        this.url = url;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getStreamId() {
-        return streamId;
-    }
-
-    public void setStreamId(String streamId) {
-        this.streamId = streamId;
-    }
-
-    public String getThumbnailURL() {
-        return thumbnailURL;
-    }
-
-    public void setThumbnailURL(String thumbnailURL) {
-        this.thumbnailURL = thumbnailURL;
-    }
-
-    public String getUploader() {
-        return uploader;
-    }
-
-    public void setUploader(String uploader) {
-        this.uploader = uploader;
-    }
-
-    public long getDuration() {
-        return duration;
-    }
-
-    public void setDuration(int duration) {
-        this.duration = duration;
-    }
-
-    @Ignore
-    @Override
-    public boolean hasEqualValues(HistoryEntry otherEntry) {
-        return otherEntry instanceof WatchHistoryEntry && super.hasEqualValues(otherEntry)
-                && getUrl().equals(((WatchHistoryEntry) otherEntry).getUrl());
-    }
-}

app/src/main/java/org/schabi/newpipe/database/playlist/PlaylistLocalItem.java

@@ -0,0 +1,7 @@
+package org.schabi.newpipe.database.playlist;
+
+import org.schabi.newpipe.database.LocalItem;
+
+public interface PlaylistLocalItem extends LocalItem {
+    String getOrderingName();
+}

app/src/main/java/org/schabi/newpipe/database/playlist/PlaylistMetadataEntry.java

@@ -0,0 +1,37 @@
+package org.schabi.newpipe.database.playlist;
+
+import android.arch.persistence.room.ColumnInfo;
+
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_NAME;
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_THUMBNAIL_URL;
+
+public class PlaylistMetadataEntry implements PlaylistLocalItem {
+    final public static String PLAYLIST_STREAM_COUNT = "streamCount";
+
+    @ColumnInfo(name = PLAYLIST_ID)
+    final public long uid;
+    @ColumnInfo(name = PLAYLIST_NAME)
+    final public String name;
+    @ColumnInfo(name = PLAYLIST_THUMBNAIL_URL)
+    final public String thumbnailUrl;
+    @ColumnInfo(name = PLAYLIST_STREAM_COUNT)
+    final public long streamCount;
+
+    public PlaylistMetadataEntry(long uid, String name, String thumbnailUrl, long streamCount) {
+        this.uid = uid;
+        this.name = name;
+        this.thumbnailUrl = thumbnailUrl;
+        this.streamCount = streamCount;
+    }
+
+    @Override
+    public LocalItemType getLocalItemType() {
+        return LocalItemType.PLAYLIST_LOCAL_ITEM;
+    }
+
+    @Override
+    public String getOrderingName() {
+        return name;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/playlist/PlaylistStreamEntry.java

@@ -0,0 +1,60 @@
+package org.schabi.newpipe.database.playlist;
+
+import android.arch.persistence.room.ColumnInfo;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.extractor.stream.StreamType;
+
+public class PlaylistStreamEntry implements LocalItem {
+    @ColumnInfo(name = StreamEntity.STREAM_ID)
+    final public long uid;
+    @ColumnInfo(name = StreamEntity.STREAM_SERVICE_ID)
+    final public int serviceId;
+    @ColumnInfo(name = StreamEntity.STREAM_URL)
+    final public String url;
+    @ColumnInfo(name = StreamEntity.STREAM_TITLE)
+    final public String title;
+    @ColumnInfo(name = StreamEntity.STREAM_TYPE)
+    final public StreamType streamType;
+    @ColumnInfo(name = StreamEntity.STREAM_DURATION)
+    final public long duration;
+    @ColumnInfo(name = StreamEntity.STREAM_UPLOADER)
+    final public String uploader;
+    @ColumnInfo(name = StreamEntity.STREAM_THUMBNAIL_URL)
+    final public String thumbnailUrl;
+    @ColumnInfo(name = PlaylistStreamEntity.JOIN_STREAM_ID)
+    final public long streamId;
+    @ColumnInfo(name = PlaylistStreamEntity.JOIN_INDEX)
+    final public int joinIndex;
+
+    public PlaylistStreamEntry(long uid, int serviceId, String url, String title,
+                               StreamType streamType, long duration, String uploader,
+                               String thumbnailUrl, long streamId, int joinIndex) {
+        this.uid = uid;
+        this.serviceId = serviceId;
+        this.url = url;
+        this.title = title;
+        this.streamType = streamType;
+        this.duration = duration;
+        this.uploader = uploader;
+        this.thumbnailUrl = thumbnailUrl;
+        this.streamId = streamId;
+        this.joinIndex = joinIndex;
+    }
+
+    public StreamInfoItem toStreamInfoItem() throws IllegalArgumentException {
+        StreamInfoItem item = new StreamInfoItem(serviceId, url, title, streamType);
+        item.setThumbnailUrl(thumbnailUrl);
+        item.setUploaderName(uploader);
+        item.setDuration(duration);
+        return item;
+    }
+
+    @Override
+    public LocalItemType getLocalItemType() {
+        return LocalItemType.PLAYLIST_STREAM_ITEM;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/playlist/dao/PlaylistDAO.java

@@ -0,0 +1,38 @@
+package org.schabi.newpipe.database.playlist.dao;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Query;
+import android.arch.persistence.room.Transaction;
+
+import org.schabi.newpipe.database.BasicDAO;
+import org.schabi.newpipe.database.playlist.model.PlaylistEntity;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_NAME;
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_TABLE;
+
+@Dao
+public abstract class PlaylistDAO implements BasicDAO<PlaylistEntity> {
+    @Override
+    @Query("SELECT * FROM " + PLAYLIST_TABLE)
+    public abstract Flowable<List<PlaylistEntity>> getAll();
+
+    @Override
+    @Query("DELETE FROM " + PLAYLIST_TABLE)
+    public abstract int deleteAll();
+
+    @Override
+    public Flowable<List<PlaylistEntity>> listByService(int serviceId) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Query("SELECT * FROM " + PLAYLIST_TABLE + " WHERE " + PLAYLIST_ID + " = :playlistId")
+    public abstract Flowable<List<PlaylistEntity>> getPlaylist(final long playlistId);
+
+    @Query("DELETE FROM " + PLAYLIST_TABLE + " WHERE " + PLAYLIST_ID + " = :playlistId")
+    public abstract int deletePlaylist(final long playlistId);
+}

app/src/main/java/org/schabi/newpipe/database/playlist/dao/PlaylistRemoteDAO.java

@@ -0,0 +1,60 @@
+package org.schabi.newpipe.database.playlist.dao;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Query;
+import android.arch.persistence.room.Transaction;
+
+import org.schabi.newpipe.database.BasicDAO;
+import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_SERVICE_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_TABLE;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_URL;
+
+@Dao
+public abstract class PlaylistRemoteDAO implements BasicDAO<PlaylistRemoteEntity> {
+    @Override
+    @Query("SELECT * FROM " + REMOTE_PLAYLIST_TABLE)
+    public abstract Flowable<List<PlaylistRemoteEntity>> getAll();
+
+    @Override
+    @Query("DELETE FROM " + REMOTE_PLAYLIST_TABLE)
+    public abstract int deleteAll();
+
+    @Override
+    @Query("SELECT * FROM " + REMOTE_PLAYLIST_TABLE +
+            " WHERE " + REMOTE_PLAYLIST_SERVICE_ID + " = :serviceId")
+    public abstract Flowable<List<PlaylistRemoteEntity>> listByService(int serviceId);
+
+    @Query("SELECT * FROM " + REMOTE_PLAYLIST_TABLE + " WHERE " +
+            REMOTE_PLAYLIST_URL + " = :url AND " +
+            REMOTE_PLAYLIST_SERVICE_ID + " = :serviceId")
+    public abstract Flowable<List<PlaylistRemoteEntity>> getPlaylist(long serviceId, String url);
+
+    @Query("SELECT " + REMOTE_PLAYLIST_ID + " FROM " + REMOTE_PLAYLIST_TABLE +
+            " WHERE " +
+            REMOTE_PLAYLIST_URL + " = :url AND " + REMOTE_PLAYLIST_SERVICE_ID + " = :serviceId")
+    abstract Long getPlaylistIdInternal(long serviceId, String url);
+
+    @Transaction
+    public long upsert(PlaylistRemoteEntity playlist) {
+        final Long playlistId = getPlaylistIdInternal(playlist.getServiceId(), playlist.getUrl());
+
+        if (playlistId == null) {
+            return insert(playlist);
+        } else {
+            playlist.setUid(playlistId);
+            update(playlist);
+            return playlistId;
+        }
+    }
+
+    @Query("DELETE FROM " + REMOTE_PLAYLIST_TABLE +
+            " WHERE " + REMOTE_PLAYLIST_ID + " = :playlistId")
+    public abstract int deletePlaylist(final long playlistId);
+}

app/src/main/java/org/schabi/newpipe/database/playlist/dao/PlaylistStreamDAO.java

@@ -0,0 +1,69 @@
+package org.schabi.newpipe.database.playlist.dao;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Query;
+import android.arch.persistence.room.Transaction;
+
+import org.schabi.newpipe.database.BasicDAO;
+import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
+import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
+import org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+import static org.schabi.newpipe.database.playlist.PlaylistMetadataEntry.PLAYLIST_STREAM_COUNT;
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.*;
+import static org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity.*;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.*;
+
+@Dao
+public abstract class PlaylistStreamDAO implements BasicDAO<PlaylistStreamEntity> {
+    @Override
+    @Query("SELECT * FROM " + PLAYLIST_STREAM_JOIN_TABLE)
+    public abstract Flowable<List<PlaylistStreamEntity>> getAll();
+
+    @Override
+    @Query("DELETE FROM " + PLAYLIST_STREAM_JOIN_TABLE)
+    public abstract int deleteAll();
+
+    @Override
+    public Flowable<List<PlaylistStreamEntity>> listByService(int serviceId) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Query("DELETE FROM " + PLAYLIST_STREAM_JOIN_TABLE +
+            " WHERE " + JOIN_PLAYLIST_ID + " = :playlistId")
+    public abstract void deleteBatch(final long playlistId);
+
+    @Query("SELECT COALESCE(MAX(" + JOIN_INDEX + "), -1)" +
+            " FROM " + PLAYLIST_STREAM_JOIN_TABLE +
+            " WHERE " + JOIN_PLAYLIST_ID + " = :playlistId")
+    public abstract Flowable<Integer> getMaximumIndexOf(final long playlistId);
+
+    @Transaction
+    @Query("SELECT * FROM " + STREAM_TABLE + " INNER JOIN " +
+            // get ids of streams of the given playlist
+            "(SELECT " + JOIN_STREAM_ID + "," + JOIN_INDEX +
+            " FROM " + PLAYLIST_STREAM_JOIN_TABLE +
+            " WHERE " + JOIN_PLAYLIST_ID + " = :playlistId)" +
+
+            // then merge with the stream metadata
+            " ON " + STREAM_ID + " = " + JOIN_STREAM_ID +
+            " ORDER BY " + JOIN_INDEX + " ASC")
+    public abstract Flowable<List<PlaylistStreamEntry>> getOrderedStreamsOf(long playlistId);
+
+    @Transaction
+    @Query("SELECT " + PLAYLIST_ID + ", " + PLAYLIST_NAME + ", " +
+            PLAYLIST_THUMBNAIL_URL + ", " +
+            "COALESCE(COUNT(" + JOIN_PLAYLIST_ID + "), 0) AS " + PLAYLIST_STREAM_COUNT +
+
+            " FROM " + PLAYLIST_TABLE +
+            " LEFT JOIN " + PLAYLIST_STREAM_JOIN_TABLE +
+            " ON " + PLAYLIST_ID + " = " + JOIN_PLAYLIST_ID +
+            " GROUP BY " + JOIN_PLAYLIST_ID +
+            " ORDER BY " + PLAYLIST_NAME + " COLLATE NOCASE ASC")
+    public abstract Flowable<List<PlaylistMetadataEntry>> getPlaylistMetadata();
+}

app/src/main/java/org/schabi/newpipe/database/playlist/model/PlaylistEntity.java

@@ -0,0 +1,59 @@
+package org.schabi.newpipe.database.playlist.model;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.Index;
+import android.arch.persistence.room.PrimaryKey;
+
+import java.util.Date;
+
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_NAME;
+import static org.schabi.newpipe.database.playlist.model.PlaylistEntity.PLAYLIST_TABLE;
+
+@Entity(tableName = PLAYLIST_TABLE,
+        indices = {@Index(value = {PLAYLIST_NAME})})
+public class PlaylistEntity {
+    final public static String PLAYLIST_TABLE           = "playlists";
+    final public static String PLAYLIST_ID              = "uid";
+    final public static String PLAYLIST_NAME            = "name";
+    final public static String PLAYLIST_THUMBNAIL_URL   = "thumbnail_url";
+
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = PLAYLIST_ID)
+    private long uid = 0;
+
+    @ColumnInfo(name = PLAYLIST_NAME)
+    private String name;
+
+    @ColumnInfo(name = PLAYLIST_THUMBNAIL_URL)
+    private String thumbnailUrl;
+
+    public PlaylistEntity(String name, String thumbnailUrl) {
+        this.name = name;
+        this.thumbnailUrl = thumbnailUrl;
+    }
+
+    public long getUid() {
+        return uid;
+    }
+
+    public void setUid(long uid) {
+        this.uid = uid;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getThumbnailUrl() {
+        return thumbnailUrl;
+    }
+
+    public void setThumbnailUrl(String thumbnailUrl) {
+        this.thumbnailUrl = thumbnailUrl;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/playlist/model/PlaylistRemoteEntity.java

@@ -0,0 +1,139 @@
+package org.schabi.newpipe.database.playlist.model;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.Ignore;
+import android.arch.persistence.room.Index;
+import android.arch.persistence.room.PrimaryKey;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistLocalItem;
+import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
+import org.schabi.newpipe.util.Constants;
+
+import static org.schabi.newpipe.database.LocalItem.LocalItemType.PLAYLIST_REMOTE_ITEM;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_NAME;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_SERVICE_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_TABLE;
+import static org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity.REMOTE_PLAYLIST_URL;
+
+@Entity(tableName = REMOTE_PLAYLIST_TABLE,
+        indices = {
+                @Index(value = {REMOTE_PLAYLIST_NAME}),
+                @Index(value = {REMOTE_PLAYLIST_SERVICE_ID, REMOTE_PLAYLIST_URL}, unique = true)
+        })
+public class PlaylistRemoteEntity implements PlaylistLocalItem {
+    final public static String REMOTE_PLAYLIST_TABLE         = "remote_playlists";
+    final public static String REMOTE_PLAYLIST_ID            = "uid";
+    final public static String REMOTE_PLAYLIST_SERVICE_ID    = "service_id";
+    final public static String REMOTE_PLAYLIST_NAME          = "name";
+    final public static String REMOTE_PLAYLIST_URL           = "url";
+    final public static String REMOTE_PLAYLIST_THUMBNAIL_URL = "thumbnail_url";
+    final public static String REMOTE_PLAYLIST_UPLOADER_NAME = "uploader";
+    final public static String REMOTE_PLAYLIST_STREAM_COUNT  = "stream_count";
+
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = REMOTE_PLAYLIST_ID)
+    private long uid = 0;
+
+    @ColumnInfo(name = REMOTE_PLAYLIST_SERVICE_ID)
+    private int serviceId = Constants.NO_SERVICE_ID;
+
+    @ColumnInfo(name = REMOTE_PLAYLIST_NAME)
+    private String name;
+
+    @ColumnInfo(name = REMOTE_PLAYLIST_URL)
+    private String url;
+
+    @ColumnInfo(name = REMOTE_PLAYLIST_THUMBNAIL_URL)
+    private String thumbnailUrl;
+
+    @ColumnInfo(name = REMOTE_PLAYLIST_UPLOADER_NAME)
+    private String uploader;
+
+    @ColumnInfo(name = REMOTE_PLAYLIST_STREAM_COUNT)
+    private Long streamCount;
+
+    public PlaylistRemoteEntity(int serviceId, String name, String url, String thumbnailUrl,
+                                String uploader, Long streamCount) {
+        this.serviceId = serviceId;
+        this.name = name;
+        this.url = url;
+        this.thumbnailUrl = thumbnailUrl;
+        this.uploader = uploader;
+        this.streamCount = streamCount;
+    }
+
+    @Ignore
+    public PlaylistRemoteEntity(final PlaylistInfo info) {
+        this(info.getServiceId(), info.getName(), info.getUrl(),
+                info.getThumbnailUrl() == null ? info.getUploaderAvatarUrl() : info.getThumbnailUrl(),
+                info.getUploaderName(), info.getStreamCount());
+    }
+
+    public long getUid() {
+        return uid;
+    }
+
+    public void setUid(long uid) {
+        this.uid = uid;
+    }
+
+    public int getServiceId() {
+        return serviceId;
+    }
+
+    public void setServiceId(int serviceId) {
+        this.serviceId = serviceId;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getThumbnailUrl() {
+        return thumbnailUrl;
+    }
+
+    public void setThumbnailUrl(String thumbnailUrl) {
+        this.thumbnailUrl = thumbnailUrl;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getUploader() {
+        return uploader;
+    }
+
+    public void setUploader(String uploader) {
+        this.uploader = uploader;
+    }
+
+    public Long getStreamCount() {
+        return streamCount;
+    }
+
+    public void setStreamCount(Long streamCount) {
+        this.streamCount = streamCount;
+    }
+
+    @Override
+    public LocalItemType getLocalItemType() {
+        return PLAYLIST_REMOTE_ITEM;
+    }
+
+    @Override
+    public String getOrderingName() {
+        return name;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/playlist/model/PlaylistStreamEntity.java

@@ -0,0 +1,77 @@
+package org.schabi.newpipe.database.playlist.model;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.ForeignKey;
+import android.arch.persistence.room.Index;
+
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+
+import static android.arch.persistence.room.ForeignKey.CASCADE;
+import static org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity.JOIN_INDEX;
+import static org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity.JOIN_PLAYLIST_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity.JOIN_STREAM_ID;
+import static org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity.PLAYLIST_STREAM_JOIN_TABLE;
+
+@Entity(tableName = PLAYLIST_STREAM_JOIN_TABLE,
+        primaryKeys = {JOIN_PLAYLIST_ID, JOIN_INDEX},
+        indices = {
+                @Index(value = {JOIN_PLAYLIST_ID, JOIN_INDEX}, unique = true),
+                @Index(value = {JOIN_STREAM_ID})
+        },
+        foreignKeys = {
+                @ForeignKey(entity = PlaylistEntity.class,
+                        parentColumns = PlaylistEntity.PLAYLIST_ID,
+                        childColumns = JOIN_PLAYLIST_ID,
+                        onDelete = CASCADE, onUpdate = CASCADE, deferred = true),
+                @ForeignKey(entity = StreamEntity.class,
+                        parentColumns = StreamEntity.STREAM_ID,
+                        childColumns = JOIN_STREAM_ID,
+                        onDelete = CASCADE, onUpdate = CASCADE, deferred = true)
+        })
+public class PlaylistStreamEntity {
+
+    final public static String PLAYLIST_STREAM_JOIN_TABLE   = "playlist_stream_join";
+    final public static String JOIN_PLAYLIST_ID             = "playlist_id";
+    final public static String JOIN_STREAM_ID               = "stream_id";
+    final public static String JOIN_INDEX                   = "join_index";
+
+    @ColumnInfo(name = JOIN_PLAYLIST_ID)
+    private long playlistUid;
+
+    @ColumnInfo(name = JOIN_STREAM_ID)
+    private long streamUid;
+
+    @ColumnInfo(name = JOIN_INDEX)
+    private int index;
+
+    public PlaylistStreamEntity(final long playlistUid, final long streamUid, final int index) {
+        this.playlistUid = playlistUid;
+        this.streamUid = streamUid;
+        this.index = index;
+    }
+
+    public long getPlaylistUid() {
+        return playlistUid;
+    }
+
+    public long getStreamUid() {
+        return streamUid;
+    }
+
+    public int getIndex() {
+        return index;
+    }
+
+    public void setPlaylistUid(long playlistUid) {
+        this.playlistUid = playlistUid;
+    }
+
+    public void setStreamUid(long streamUid) {
+        this.streamUid = streamUid;
+    }
+
+    public void setIndex(int index) {
+        this.index = index;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/stream/StreamStatisticsEntry.java

@@ -0,0 +1,69 @@
+package org.schabi.newpipe.database.stream;
+
+import android.arch.persistence.room.ColumnInfo;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntity;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.extractor.stream.StreamType;
+
+import java.util.Date;
+
+public class StreamStatisticsEntry implements LocalItem {
+    final public static String STREAM_LATEST_DATE = "latestAccess";
+    final public static String STREAM_WATCH_COUNT = "watchCount";
+
+    @ColumnInfo(name = StreamEntity.STREAM_ID)
+    final public long uid;
+    @ColumnInfo(name = StreamEntity.STREAM_SERVICE_ID)
+    final public int serviceId;
+    @ColumnInfo(name = StreamEntity.STREAM_URL)
+    final public String url;
+    @ColumnInfo(name = StreamEntity.STREAM_TITLE)
+    final public String title;
+    @ColumnInfo(name = StreamEntity.STREAM_TYPE)
+    final public StreamType streamType;
+    @ColumnInfo(name = StreamEntity.STREAM_DURATION)
+    final public long duration;
+    @ColumnInfo(name = StreamEntity.STREAM_UPLOADER)
+    final public String uploader;
+    @ColumnInfo(name = StreamEntity.STREAM_THUMBNAIL_URL)
+    final public String thumbnailUrl;
+    @ColumnInfo(name = StreamHistoryEntity.JOIN_STREAM_ID)
+    final public long streamId;
+    @ColumnInfo(name = StreamStatisticsEntry.STREAM_LATEST_DATE)
+    final public Date latestAccessDate;
+    @ColumnInfo(name = StreamStatisticsEntry.STREAM_WATCH_COUNT)
+    final public long watchCount;
+
+    public StreamStatisticsEntry(long uid, int serviceId, String url, String title,
+                                 StreamType streamType, long duration, String uploader,
+                                 String thumbnailUrl, long streamId, Date latestAccessDate,
+                                 long watchCount) {
+        this.uid = uid;
+        this.serviceId = serviceId;
+        this.url = url;
+        this.title = title;
+        this.streamType = streamType;
+        this.duration = duration;
+        this.uploader = uploader;
+        this.thumbnailUrl = thumbnailUrl;
+        this.streamId = streamId;
+        this.latestAccessDate = latestAccessDate;
+        this.watchCount = watchCount;
+    }
+
+    public StreamInfoItem toStreamInfoItem() {
+        StreamInfoItem item = new StreamInfoItem(serviceId, url, title, streamType);
+        item.setDuration(duration);
+        item.setUploaderName(uploader);
+        item.setThumbnailUrl(thumbnailUrl);
+        return item;
+    }
+
+    @Override
+    public LocalItemType getLocalItemType() {
+        return LocalItemType.STATISTIC_STREAM_ITEM;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/stream/dao/StreamDAO.java

@@ -0,0 +1,100 @@
+package org.schabi.newpipe.database.stream.dao;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.OnConflictStrategy;
+import android.arch.persistence.room.Query;
+import android.arch.persistence.room.Transaction;
+
+import org.schabi.newpipe.database.BasicDAO;
+import org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntity;
+import org.schabi.newpipe.database.stream.model.StreamStateEntity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+import static org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity.PLAYLIST_STREAM_JOIN_TABLE;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_ID;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_SERVICE_ID;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_TABLE;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_URL;
+import static org.schabi.newpipe.database.history.model.StreamHistoryEntity.STREAM_HISTORY_TABLE;
+import static org.schabi.newpipe.database.stream.model.StreamStateEntity.STREAM_STATE_TABLE;
+
+@Dao
+public abstract class StreamDAO implements BasicDAO<StreamEntity> {
+    @Override
+    @Query("SELECT * FROM " + STREAM_TABLE)
+    public abstract Flowable<List<StreamEntity>> getAll();
+
+    @Override
+    @Query("DELETE FROM " + STREAM_TABLE)
+    public abstract int deleteAll();
+
+    @Override
+    @Query("SELECT * FROM " + STREAM_TABLE + " WHERE " + STREAM_SERVICE_ID + " = :serviceId")
+    public abstract Flowable<List<StreamEntity>> listByService(int serviceId);
+
+    @Query("SELECT * FROM " + STREAM_TABLE + " WHERE " +
+            STREAM_URL + " = :url AND " +
+            STREAM_SERVICE_ID + " = :serviceId")
+    public abstract Flowable<List<StreamEntity>> getStream(long serviceId, String url);
+
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    abstract void silentInsertAllInternal(final List<StreamEntity> streams);
+
+    @Query("SELECT " + STREAM_ID + " FROM " + STREAM_TABLE + " WHERE " +
+            STREAM_URL + " = :url AND " +
+            STREAM_SERVICE_ID + " = :serviceId")
+    abstract Long getStreamIdInternal(long serviceId, String url);
+
+    @Transaction
+    public long upsert(StreamEntity stream) {
+        final Long streamIdCandidate = getStreamIdInternal(stream.getServiceId(), stream.getUrl());
+
+        if (streamIdCandidate == null) {
+            return insert(stream);
+        } else {
+            stream.setUid(streamIdCandidate);
+            update(stream);
+            return streamIdCandidate;
+        }
+    }
+
+    @Transaction
+    public List<Long> upsertAll(List<StreamEntity> streams) {
+        silentInsertAllInternal(streams);
+
+        final List<Long> streamIds = new ArrayList<>(streams.size());
+        for (StreamEntity stream : streams) {
+            final Long streamId = getStreamIdInternal(stream.getServiceId(), stream.getUrl());
+            if (streamId == null) {
+                throw new IllegalStateException("StreamID cannot be null just after insertion.");
+            }
+
+            streamIds.add(streamId);
+            stream.setUid(streamId);
+        }
+
+        update(streams);
+        return streamIds;
+    }
+
+    @Query("DELETE FROM " + STREAM_TABLE + " WHERE " + STREAM_ID +
+            " NOT IN " +
+            "(SELECT DISTINCT " + STREAM_ID + " FROM " + STREAM_TABLE +
+
+            " LEFT JOIN " + STREAM_HISTORY_TABLE +
+            " ON " + STREAM_ID + " = " +
+            StreamHistoryEntity.STREAM_HISTORY_TABLE + "." + StreamHistoryEntity.JOIN_STREAM_ID +
+
+            " LEFT JOIN " + PLAYLIST_STREAM_JOIN_TABLE +
+            " ON " + STREAM_ID + " = " +
+            PlaylistStreamEntity.PLAYLIST_STREAM_JOIN_TABLE + "." + PlaylistStreamEntity.JOIN_STREAM_ID +
+            ")")
+    public abstract int deleteOrphans();
+}

app/src/main/java/org/schabi/newpipe/database/stream/dao/StreamStateDAO.java

@@ -0,0 +1,48 @@
+package org.schabi.newpipe.database.stream.dao;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.OnConflictStrategy;
+import android.arch.persistence.room.Query;
+import android.arch.persistence.room.Transaction;
+
+import org.schabi.newpipe.database.BasicDAO;
+import org.schabi.newpipe.database.stream.model.StreamStateEntity;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+import static org.schabi.newpipe.database.stream.model.StreamStateEntity.JOIN_STREAM_ID;
+import static org.schabi.newpipe.database.stream.model.StreamStateEntity.STREAM_STATE_TABLE;
+
+@Dao
+public abstract class StreamStateDAO implements BasicDAO<StreamStateEntity> {
+    @Override
+    @Query("SELECT * FROM " + STREAM_STATE_TABLE)
+    public abstract Flowable<List<StreamStateEntity>> getAll();
+
+    @Override
+    @Query("DELETE FROM " + STREAM_STATE_TABLE)
+    public abstract int deleteAll();
+
+    @Override
+    public Flowable<List<StreamStateEntity>> listByService(int serviceId) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Query("SELECT * FROM " + STREAM_STATE_TABLE + " WHERE " + JOIN_STREAM_ID + " = :streamId")
+    public abstract Flowable<List<StreamStateEntity>> getState(final long streamId);
+
+    @Query("DELETE FROM " + STREAM_STATE_TABLE + " WHERE " + JOIN_STREAM_ID + " = :streamId")
+    public abstract int deleteState(final long streamId);
+
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    abstract void silentInsertInternal(final StreamStateEntity streamState);
+
+    @Transaction
+    public long upsert(StreamStateEntity stream) {
+        silentInsertInternal(stream);
+        return update(stream);
+    }
+}

app/src/main/java/org/schabi/newpipe/database/stream/model/StreamEntity.java

@@ -0,0 +1,153 @@
+package org.schabi.newpipe.database.stream.model;
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.Ignore;
+import android.arch.persistence.room.Index;
+import android.arch.persistence.room.PrimaryKey;
+
+import org.schabi.newpipe.extractor.stream.StreamInfo;
+import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.extractor.stream.StreamType;
+import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.util.Constants;
+
+import java.io.Serializable;
+
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_SERVICE_ID;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_TABLE;
+import static org.schabi.newpipe.database.stream.model.StreamEntity.STREAM_URL;
+
+@Entity(tableName = STREAM_TABLE,
+        indices = {@Index(value = {STREAM_SERVICE_ID, STREAM_URL}, unique = true)})
+public class StreamEntity implements Serializable {
+
+    final public static String STREAM_TABLE             = "streams";
+    final public static String STREAM_ID                = "uid";
+    final public static String STREAM_SERVICE_ID        = "service_id";
+    final public static String STREAM_URL               = "url";
+    final public static String STREAM_TITLE             = "title";
+    final public static String STREAM_TYPE              = "stream_type";
+    final public static String STREAM_DURATION          = "duration";
+    final public static String STREAM_UPLOADER          = "uploader";
+    final public static String STREAM_THUMBNAIL_URL     = "thumbnail_url";
+
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = STREAM_ID)
+    private long uid = 0;
+
+    @ColumnInfo(name = STREAM_SERVICE_ID)
+    private int serviceId = Constants.NO_SERVICE_ID;
+
+    @ColumnInfo(name = STREAM_URL)
+    private String url;
+
+    @ColumnInfo(name = STREAM_TITLE)
+    private String title;
+
+    @ColumnInfo(name = STREAM_TYPE)
+    private StreamType streamType;
+
+    @ColumnInfo(name = STREAM_DURATION)
+    private Long duration;
+
+    @ColumnInfo(name = STREAM_UPLOADER)
+    private String uploader;
+
+    @ColumnInfo(name = STREAM_THUMBNAIL_URL)
+    private String thumbnailUrl;
+
+    public StreamEntity(final int serviceId, final String title, final String url,
+                        final StreamType streamType, final String thumbnailUrl, final String uploader,
+                        final long duration) {
+        this.serviceId = serviceId;
+        this.title = title;
+        this.url = url;
+        this.streamType = streamType;
+        this.thumbnailUrl = thumbnailUrl;
+        this.uploader = uploader;
+        this.duration = duration;
+    }
+
+    @Ignore
+    public StreamEntity(final StreamInfoItem item) {
+        this(item.service_id, item.name, item.url, item.stream_type, item.thumbnail_url,
+                item.uploader_name, item.duration);
+    }
+
+    @Ignore
+    public StreamEntity(final StreamInfo info) {
+        this(info.service_id, info.name, info.url, info.stream_type, info.thumbnail_url,
+                info.uploader_name, info.duration);
+    }
+
+    @Ignore
+    public StreamEntity(final PlayQueueItem item) {
+        this(item.getServiceId(), item.getTitle(), item.getUrl(), item.getStreamType(),
+                item.getThumbnailUrl(), item.getUploader(), item.getDuration());
+    }
+
+    public long getUid() {
+        return uid;
+    }
+
+    public void setUid(long uid) {
+        this.uid = uid;
+    }
+
+    public int getServiceId() {
+        return serviceId;
+    }
+
+    public void setServiceId(int serviceId) {
+        this.serviceId = serviceId;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public StreamType getStreamType() {
+        return streamType;
+    }
+
+    public void setStreamType(StreamType type) {
+        this.streamType = type;
+    }
+
+    public Long getDuration() {
+        return duration;
+    }
+
+    public void setDuration(Long duration) {
+        this.duration = duration;
+    }
+
+    public String getUploader() {
+        return uploader;
+    }
+
+    public void setUploader(String uploader) {
+        this.uploader = uploader;
+    }
+
+    public String getThumbnailUrl() {
+        return thumbnailUrl;
+    }
+
+    public void setThumbnailUrl(String thumbnailUrl) {
+        this.thumbnailUrl = thumbnailUrl;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/stream/model/StreamStateEntity.java

@@ -0,0 +1,51 @@
+package org.schabi.newpipe.database.stream.model;
+
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.ForeignKey;
+
+import static android.arch.persistence.room.ForeignKey.CASCADE;
+import static org.schabi.newpipe.database.stream.model.StreamStateEntity.JOIN_STREAM_ID;
+import static org.schabi.newpipe.database.stream.model.StreamStateEntity.STREAM_STATE_TABLE;
+
+@Entity(tableName = STREAM_STATE_TABLE,
+        primaryKeys = {JOIN_STREAM_ID},
+        foreignKeys = {
+                @ForeignKey(entity = StreamEntity.class,
+                        parentColumns = StreamEntity.STREAM_ID,
+                        childColumns = JOIN_STREAM_ID,
+                        onDelete = CASCADE, onUpdate = CASCADE)
+        })
+public class StreamStateEntity {
+    final public static String STREAM_STATE_TABLE   = "stream_state";
+    final public static String JOIN_STREAM_ID       = "stream_id";
+    final public static String STREAM_PROGRESS_TIME = "progress_time";
+
+    @ColumnInfo(name = JOIN_STREAM_ID)
+    private long streamUid;
+
+    @ColumnInfo(name = STREAM_PROGRESS_TIME)
+    private long progressTime;
+
+    public StreamStateEntity(long streamUid, long progressTime) {
+        this.streamUid = streamUid;
+        this.progressTime = progressTime;
+    }
+
+    public long getStreamUid() {
+        return streamUid;
+    }
+
+    public void setStreamUid(long streamUid) {
+        this.streamUid = streamUid;
+    }
+
+    public long getProgressTime() {
+        return progressTime;
+    }
+
+    public void setProgressTime(long progressTime) {
+        this.progressTime = progressTime;
+    }
+}

app/src/main/java/org/schabi/newpipe/database/subscription/SubscriptionEntity.java

@@ -50,8 +50,7 @@ public class SubscriptionEntity {
         return uid;
     }
 
-    /* Keep this package-private since UID should always be auto generated by Room impl */
+    public void setUid(long uid) {
-    void setUid(long uid) {
         this.uid = uid;
     }
 

app/src/main/java/org/schabi/newpipe/fragments/MainFragment.java

@@ -29,6 +29,7 @@ import org.schabi.newpipe.extractor.kiosk.KioskList;
 import org.schabi.newpipe.fragments.list.channel.ChannelFragment;
 import org.schabi.newpipe.fragments.list.feed.FeedFragment;
 import org.schabi.newpipe.fragments.list.kiosk.KioskFragment;
+import org.schabi.newpipe.fragments.local.bookmark.BookmarkFragment;
 import org.schabi.newpipe.fragments.subscription.SubscriptionFragment;
 import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
@@ -84,12 +85,15 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
 
         int channelIcon = ThemeHelper.resolveResourceIdFromAttr(activity, R.attr.ic_channel);
         int whatsHotIcon = ThemeHelper.resolveResourceIdFromAttr(activity, R.attr.ic_hot);
+        int bookmarkIcon = ThemeHelper.resolveResourceIdFromAttr(activity, R.attr.ic_bookmark);
 
         if (isSubscriptionsPageOnlySelected()) {
             tabLayout.getTabAt(0).setIcon(channelIcon);
+            tabLayout.getTabAt(1).setIcon(bookmarkIcon);
         } else {
             tabLayout.getTabAt(0).setIcon(whatsHotIcon);
             tabLayout.getTabAt(1).setIcon(channelIcon);
+            tabLayout.getTabAt(2).setIcon(bookmarkIcon);
         }
     }
 
@@ -147,7 +151,6 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
     }
 
     private class PagerAdapter extends FragmentPagerAdapter {
-
         PagerAdapter(FragmentManager fm) {
             super(fm);
         }
@@ -158,7 +161,15 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
                 case 0:
                     return isSubscriptionsPageOnlySelected() ? new SubscriptionFragment() : getMainPageFragment();
                 case 1:
-                    return new SubscriptionFragment();
+                    if(PreferenceManager.getDefaultSharedPreferences(getActivity())
+                            .getString(getString(R.string.main_page_content_key), getString(R.string.blank_page_key))
+                            .equals(getString(R.string.subscription_page_key))) {
+                        return new BookmarkFragment();
+                    } else {
+                        return new SubscriptionFragment();
+                    }
+                case 2:
+                    return new BookmarkFragment();
                 default:
                     return new BlankFragment();
             }
@@ -172,7 +183,7 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
 
         @Override
         public int getCount() {
-            return isSubscriptionsPageOnlySelected() ? 1 : 2;
+            return isSubscriptionsPageOnlySelected() ? 2 : 3;
         }
     }
 
@@ -187,6 +198,8 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
     }
 
     private Fragment getMainPageFragment() {
+        if (getActivity() == null) return new BlankFragment();
+
         try {
             SharedPreferences preferences =
                     PreferenceManager.getDefaultSharedPreferences(getActivity());

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -58,7 +58,7 @@ import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.BaseStateFragment;
-import org.schabi.newpipe.history.HistoryListener;
+import org.schabi.newpipe.fragments.local.dialog.PlaylistAppendDialog;
 import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.info_list.InfoItemDialog;
 import org.schabi.newpipe.player.MainVideoPlayer;
@@ -75,6 +75,7 @@ import org.schabi.newpipe.util.InfoCache;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.OnClickGesture;
 import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.ThemeHelper;
 
@@ -145,6 +146,7 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
 
     private TextView detailControlsBackground;
     private TextView detailControlsPopup;
+    private TextView detailControlsAddToPlaylist;
     private TextView appendControlsDetail;
 
     private LinearLayout videoDescriptionRootLayout;
@@ -327,6 +329,12 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
             case R.id.detail_controls_popup:
                 openPopupPlayer(false);
                 break;
+            case R.id.detail_controls_playlist_append:
+                if (getFragmentManager() != null && currentInfo != null) {
+                    PlaylistAppendDialog.fromStreamInfo(currentInfo)
+                            .show(getFragmentManager(), TAG);
+                }
+                break;
             case R.id.detail_uploader_root_layout:
                 if (TextUtils.isEmpty(currentInfo.getUploaderUrl())) {
                     Log.w(TAG, "Can't open channel because we got no channel URL");
@@ -429,6 +437,7 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
 
         detailControlsBackground = rootView.findViewById(R.id.detail_controls_background);
         detailControlsPopup = rootView.findViewById(R.id.detail_controls_popup);
+        detailControlsAddToPlaylist = rootView.findViewById(R.id.detail_controls_playlist_append);
         appendControlsDetail = rootView.findViewById(R.id.touch_append_detail);
 
         videoDescriptionRootLayout = rootView.findViewById(R.id.detail_description_root_layout);
@@ -462,7 +471,7 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
     @Override
     protected void initListeners() {
         super.initListeners();
-        infoItemBuilder.setOnStreamSelectedListener(new InfoItemBuilder.OnInfoItemSelectedListener<StreamInfoItem>() {
+        infoItemBuilder.setOnStreamSelectedListener(new OnClickGesture<StreamInfoItem>() {
             @Override
             public void selected(StreamInfoItem selectedItem) {
                 selectAndLoadVideo(selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
@@ -479,6 +488,7 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
         thumbnailBackgroundButton.setOnClickListener(this);
         detailControlsBackground.setOnClickListener(this);
         detailControlsPopup.setOnClickListener(this);
+        detailControlsAddToPlaylist.setOnClickListener(this);
         relatedStreamExpandButton.setOnClickListener(this);
 
         detailControlsBackground.setLongClickable(true);
@@ -638,9 +648,6 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
             public void onActionSelected(int selectedStreamId) {
                 try {
                     NavigationHelper.playWithKore(activity, Uri.parse(info.getUrl().replace("https", "http")));
-                    if(activity instanceof HistoryListener) {
-                        ((HistoryListener) activity).onVideoPlayed(info, null);
-                    }
                 } catch (Exception e) {
                     if(DEBUG) Log.i(TAG, "Failed to start kore", e);
                     showInstallKoreDialog(activity);
@@ -794,10 +801,6 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
     private void openBackgroundPlayer(final boolean append) {
         AudioStream audioStream = currentInfo.getAudioStreams().get(ListHelper.getDefaultAudioFormat(activity, currentInfo.getAudioStreams()));
 
-        if (activity instanceof HistoryListener) {
-            ((HistoryListener) activity).onAudioPlayed(currentInfo, audioStream);
-        }
-
         boolean useExternalAudioPlayer = PreferenceManager.getDefaultSharedPreferences(activity)
                 .getBoolean(activity.getString(R.string.use_external_audio_player_key), false);
 
@@ -814,10 +817,6 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
             return;
         }
 
-        if (activity instanceof HistoryListener) {
-            ((HistoryListener) activity).onVideoPlayed(currentInfo, getSelectedVideoStream());
-        }
-
         final PlayQueue itemQueue = new SinglePlayQueue(currentInfo);
         if (append) {
             NavigationHelper.enqueueOnPopupPlayer(activity, itemQueue);
@@ -833,10 +832,6 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
     private void openVideoPlayer() {
         VideoStream selectedVideoStream = getSelectedVideoStream();
 
-        if (activity instanceof HistoryListener) {
-            ((HistoryListener) activity).onVideoPlayed(currentInfo, selectedVideoStream);
-        }
-
         if (PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(this.getString(R.string.use_external_video_player_key), false)) {
             NavigationHelper.playOnExternalPlayer(activity, currentInfo.getName(), currentInfo.getUploaderName(), selectedVideoStream);
         } else {
@@ -1033,6 +1028,7 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
         if (!TextUtils.isEmpty(info.getUploaderName())) {
             uploaderTextView.setText(info.getUploaderName());
             uploaderTextView.setVisibility(View.VISIBLE);
+            uploaderTextView.setSelected(true);
         } else {
             uploaderTextView.setVisibility(View.GONE);
         }

app/src/main/java/org/schabi/newpipe/fragments/list/BaseListFragment.java

@@ -3,19 +3,15 @@ package org.schabi.newpipe.fragments.list;
 import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v7.app.ActionBar;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
-import android.view.Gravity;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
-import android.widget.TextView;
-import android.widget.Toast;
 
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.InfoItem;
@@ -24,14 +20,15 @@ import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.fragments.BaseStateFragment;
 import org.schabi.newpipe.fragments.OnScrollBelowItemsListener;
-import org.schabi.newpipe.info_list.InfoItemBuilder;
+import org.schabi.newpipe.fragments.local.dialog.PlaylistAppendDialog;
 import org.schabi.newpipe.info_list.InfoItemDialog;
 import org.schabi.newpipe.info_list.InfoListAdapter;
 import org.schabi.newpipe.playlist.SinglePlayQueue;
 import org.schabi.newpipe.util.NavigationHelper;
-import org.schabi.newpipe.util.PermissionHelper;
+import org.schabi.newpipe.util.OnClickGesture;
 import org.schabi.newpipe.util.StateSaver;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.Queue;
 
@@ -140,7 +137,7 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
     @Override
     protected void initListeners() {
         super.initListeners();
-        infoListAdapter.setOnStreamSelectedListener(new InfoItemBuilder.OnInfoItemSelectedListener<StreamInfoItem>() {
+        infoListAdapter.setOnStreamSelectedListener(new OnClickGesture<StreamInfoItem>() {
             @Override
             public void selected(StreamInfoItem selectedItem) {
                 onItemSelected(selectedItem);
@@ -155,7 +152,7 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
             }
         });
 
-        infoListAdapter.setOnChannelSelectedListener(new InfoItemBuilder.OnInfoItemSelectedListener<ChannelInfoItem>() {
+        infoListAdapter.setOnChannelSelectedListener(new OnClickGesture<ChannelInfoItem>() {
             @Override
             public void selected(ChannelInfoItem selectedItem) {
                 onItemSelected(selectedItem);
@@ -163,12 +160,9 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
                         useAsFrontPage?getParentFragment().getFragmentManager():getFragmentManager(),
                         selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
             }
-
-            @Override
-            public void held(ChannelInfoItem selectedItem) {}
         });
 
-        infoListAdapter.setOnPlaylistSelectedListener(new InfoItemBuilder.OnInfoItemSelectedListener<PlaylistInfoItem>() {
+        infoListAdapter.setOnPlaylistSelectedListener(new OnClickGesture<PlaylistInfoItem>() {
             @Override
             public void selected(PlaylistInfoItem selectedItem) {
                 onItemSelected(selectedItem);
@@ -176,9 +170,6 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
                         useAsFrontPage?getParentFragment().getFragmentManager():getFragmentManager(),
                         selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
             }
-
-            @Override
-            public void held(PlaylistInfoItem selectedItem) {}
         });
 
         itemsList.clearOnScrollListeners();
@@ -203,22 +194,26 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
 
         final String[] commands = new String[]{
                 context.getResources().getString(R.string.enqueue_on_background),
-                context.getResources().getString(R.string.enqueue_on_popup)
+                context.getResources().getString(R.string.enqueue_on_popup),
+                context.getResources().getString(R.string.append_playlist)
         };
 
-        final DialogInterface.OnClickListener actions = new DialogInterface.OnClickListener() {
+        final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
-            @Override
+            switch (i) {
-            public void onClick(DialogInterface dialogInterface, int i) {
+                case 0:
-                switch (i) {
+                    NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(item));
-                    case 0:
+                    break;
-                        NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(item));
+                case 1:
-                        break;
+                    NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(item));
-                    case 1:
+                    break;
-                        NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(item));
+                case 2:
-                        break;
+                    if (getFragmentManager() != null) {
-                    default:
+                        PlaylistAppendDialog.fromStreamInfoItems(Collections.singletonList(item))
-                        break;
+                                .show(getFragmentManager(), TAG);
-                }
+                    }
+                    break;
+                default:
+                    break;
             }
         };
 

app/src/main/java/org/schabi/newpipe/fragments/list/channel/ChannelFragment.java

@@ -194,17 +194,14 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
         ActionBar supportActionBar = activity.getSupportActionBar();
-        if(useAsFrontPage) {
+        if(useAsFrontPage && supportActionBar != null) {
             supportActionBar.setDisplayHomeAsUpEnabled(false);
         } else {
             inflater.inflate(R.menu.menu_channel, menu);
 
-            if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu + "], inflater = [" + inflater + "]");
+            if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu +
+                    "], inflater = [" + inflater + "]");
             menuRssButton = menu.findItem(R.id.menu_item_rss);
-            if (currentInfo != null) {
-                menuRssButton.setVisible(!TextUtils.isEmpty(currentInfo.getFeedUrl()));
-            }
-
         }
     }
 
@@ -225,10 +222,9 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
             case R.id.menu_item_openInBrowser:
                 openUrlInBrowser(url);
                 break;
-            case R.id.menu_item_share: {
+            case R.id.menu_item_share:
                 shareUrl(name, url);
                 break;
-            }
             default:
                 return super.onOptionsItemSelected(item);
         }
@@ -428,6 +424,7 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
         } else headerSubscribersTextView.setVisibility(View.GONE);
 
         if (menuRssButton != null) menuRssButton.setVisible(!TextUtils.isEmpty(result.getFeedUrl()));
+
         playlistCtrl.setVisibility(View.VISIBLE);
 
         if (!result.errors.isEmpty()) {

app/src/main/java/org/schabi/newpipe/fragments/list/playlist/PlaylistFragment.java

@@ -17,13 +17,18 @@ import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import org.reactivestreams.Subscriber;
+import org.reactivestreams.Subscription;
+import org.schabi.newpipe.NewPipeDatabase;
 import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
 import org.schabi.newpipe.extractor.ListExtractor;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
+import org.schabi.newpipe.fragments.local.RemotePlaylistManager;
 import org.schabi.newpipe.info_list.InfoItemDialog;
 import org.schabi.newpipe.playlist.PlayQueue;
 import org.schabi.newpipe.playlist.PlaylistPlayQueue;
@@ -31,13 +36,27 @@ import org.schabi.newpipe.playlist.SinglePlayQueue;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.ThemeHelper;
+
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import io.reactivex.Single;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.disposables.Disposables;
 
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
 
 public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
 
+    private CompositeDisposable disposables;
+    private Subscription bookmarkReactor;
+    private AtomicBoolean isBookmarkButtonReady;
+
+    private RemotePlaylistManager remotePlaylistManager;
+    private PlaylistRemoteEntity playlistEntity;
     /*//////////////////////////////////////////////////////////////////////////
     // Views
     //////////////////////////////////////////////////////////////////////////*/
@@ -54,6 +73,8 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
     private View headerPopupButton;
     private View headerBackgroundButton;
 
+    private MenuItem playlistBookmarkButton;
+
     public static PlaylistFragment getInstance(int serviceId, String url, String name) {
         PlaylistFragment instance = new PlaylistFragment();
         instance.setInitialData(serviceId, url, name);
@@ -65,7 +86,16 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
     //////////////////////////////////////////////////////////////////////////*/
 
     @Override
-    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        disposables = new CompositeDisposable();
+        isBookmarkButtonReady = new AtomicBoolean(false);
+        remotePlaylistManager = new RemotePlaylistManager(NewPipeDatabase.getInstance(getContext()));
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
         return inflater.inflate(R.layout.fragment_playlist, container, false);
     }
 
@@ -86,6 +116,7 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         headerPopupButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_popup_button);
         headerBackgroundButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_bg_button);
 
+
         return headerRootLayout;
     }
 
@@ -110,29 +141,26 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
                 context.getResources().getString(R.string.start_here_on_popup),
         };
 
-        final DialogInterface.OnClickListener actions = new DialogInterface.OnClickListener() {
+        final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
-            @Override
+            final int index = Math.max(infoListAdapter.getItemsList().indexOf(item), 0);
-            public void onClick(DialogInterface dialogInterface, int i) {
+            switch (i) {
-                final int index = Math.max(infoListAdapter.getItemsList().indexOf(item), 0);
+                case 0:
-                switch (i) {
+                    NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(item));
-                    case 0:
+                    break;
-                        NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(item));
+                case 1:
-                        break;
+                    NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(item));
-                    case 1:
+                    break;
-                        NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(item));
+                case 2:
-                        break;
+                    NavigationHelper.playOnMainPlayer(context, getPlayQueue(index));
-                    case 2:
+                    break;
-                        NavigationHelper.playOnMainPlayer(context, getPlayQueue(index));
+                case 3:
-                        break;
+                    NavigationHelper.playOnBackgroundPlayer(context, getPlayQueue(index));
-                    case 3:
+                    break;
-                        NavigationHelper.playOnBackgroundPlayer(context, getPlayQueue(index));
+                case 4:
-                        break;
+                    NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
-                    case 4:
+                    break;
-                        NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
+                default:
-                        break;
+                    break;
-                    default:
-                        break;
-                }
             }
         };
 
@@ -141,9 +169,36 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
 
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu + "], inflater = [" + inflater + "]");
+        if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu +
+                "], inflater = [" + inflater + "]");
         super.onCreateOptionsMenu(menu, inflater);
         inflater.inflate(R.menu.menu_playlist, menu);
+
+        playlistBookmarkButton = menu.findItem(R.id.menu_item_bookmark);
+        updateBookmarkButtons();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        if (isBookmarkButtonReady != null) isBookmarkButtonReady.set(false);
+
+        if (disposables != null) disposables.clear();
+        if (bookmarkReactor != null) bookmarkReactor.cancel();
+
+        bookmarkReactor = null;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+
+        if (disposables != null) disposables.dispose();
+
+        disposables = null;
+        remotePlaylistManager = null;
+        playlistEntity = null;
+        isBookmarkButtonReady = null;
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -166,10 +221,12 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
             case R.id.menu_item_openInBrowser:
                 openUrlInBrowser(url);
                 break;
-            case R.id.menu_item_share: {
+            case R.id.menu_item_share:
                 shareUrl(name, url);
                 break;
-            }
+            case R.id.menu_item_bookmark:
+                onBookmarkClicked();
+                break;
             default:
                 return super.onOptionsItemSelected(item);
         }
@@ -201,12 +258,11 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         if (!TextUtils.isEmpty(result.getUploaderName())) {
             headerUploaderName.setText(result.getUploaderName());
             if (!TextUtils.isEmpty(result.getUploaderUrl())) {
-                headerUploaderLayout.setOnClickListener(new View.OnClickListener() {
+                headerUploaderLayout.setOnClickListener(v ->
-                    @Override
+                        NavigationHelper.openChannelFragment(getFragmentManager(),
-                    public void onClick(View v) {
+                                result.getServiceId(), result.getUploaderUrl(),
-                        NavigationHelper.openChannelFragment(getFragmentManager(), result.getServiceId(), result.getUploaderUrl(), result.getUploaderName());
+                                result.getUploaderName())
-                    }
+                );
-                });
             }
         }
 
@@ -219,24 +275,21 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
             showSnackBarError(result.getErrors(), UserAction.REQUESTED_PLAYLIST, NewPipe.getNameOfService(result.getServiceId()), result.getUrl(), 0);
         }
 
-        headerPlayAllButton.setOnClickListener(new View.OnClickListener() {
+        remotePlaylistManager.getPlaylist(result)
-            @Override
+                .onBackpressureLatest()
-            public void onClick(View view) {
+                .observeOn(AndroidSchedulers.mainThread())
-                NavigationHelper.playOnMainPlayer(activity, getPlayQueue());
+                .subscribe(getPlaylistBookmarkSubscriber());
-            }
+
-        });
+        remotePlaylistManager.onUpdate(result)
-        headerPopupButton.setOnClickListener(new View.OnClickListener() {
+                .subscribeOn(AndroidSchedulers.mainThread())
-            @Override
+                .subscribe(integer -> {/* Do nothing*/}, this::onError);
-            public void onClick(View view) {
+
-                NavigationHelper.playOnPopupPlayer(activity, getPlayQueue());
+        headerPlayAllButton.setOnClickListener(view ->
-            }
+                NavigationHelper.playOnMainPlayer(activity, getPlayQueue()));
-        });
+        headerPopupButton.setOnClickListener(view ->
-        headerBackgroundButton.setOnClickListener(new View.OnClickListener() {
+                NavigationHelper.playOnPopupPlayer(activity, getPlayQueue()));
-            @Override
+        headerBackgroundButton.setOnClickListener(view ->
-            public void onClick(View view) {
+                NavigationHelper.playOnBackgroundPlayer(activity, getPlayQueue()));
-                NavigationHelper.playOnBackgroundPlayer(activity, getPlayQueue());
-            }
-        });
     }
 
     private PlayQueue getPlayQueue() {
@@ -280,9 +333,76 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
+    private Subscriber<List<PlaylistRemoteEntity>> getPlaylistBookmarkSubscriber() {
+        return new Subscriber<List<PlaylistRemoteEntity>>() {
+            @Override
+            public void onSubscribe(Subscription s) {
+                if (bookmarkReactor != null) bookmarkReactor.cancel();
+                bookmarkReactor = s;
+                bookmarkReactor.request(1);
+            }
+
+            @Override
+            public void onNext(List<PlaylistRemoteEntity> playlist) {
+                playlistEntity = playlist.isEmpty() ? null : playlist.get(0);
+
+                updateBookmarkButtons();
+                isBookmarkButtonReady.set(true);
+
+                if (bookmarkReactor != null) bookmarkReactor.request(1);
+            }
+
+            @Override
+            public void onError(Throwable t) {
+                PlaylistFragment.this.onError(t);
+            }
+
+            @Override
+            public void onComplete() {
+
+            }
+        };
+    }
+
     @Override
     public void setTitle(String title) {
         super.setTitle(title);
         headerTitleView.setText(title);
     }
+
+    private void onBookmarkClicked() {
+        if (isBookmarkButtonReady == null || !isBookmarkButtonReady.get() ||
+                remotePlaylistManager == null)
+            return;
+
+        final Disposable action;
+
+        if (currentInfo != null && playlistEntity == null) {
+            action = remotePlaylistManager.onBookmark(currentInfo)
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe(ignored -> {/* Do nothing */}, this::onError);
+        } else if (playlistEntity != null) {
+            action = remotePlaylistManager.deletePlaylist(playlistEntity.getUid())
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .doFinally(() -> playlistEntity = null)
+                    .subscribe(ignored -> {/* Do nothing */}, this::onError);
+        } else {
+            action = Disposables.empty();
+        }
+
+        disposables.add(action);
+    }
+
+    private void updateBookmarkButtons() {
+        if (playlistBookmarkButton == null || activity == null) return;
+
+        final int iconAttr = playlistEntity == null ?
+                R.attr.ic_playlist_add : R.attr.ic_playlist_check;
+
+        final int titleRes = playlistEntity == null ?
+                R.string.bookmark_playlist : R.string.unbookmark_playlist;
+
+        playlistBookmarkButton.setIcon(ThemeHelper.resolveResourceIdFromAttr(activity, iconAttr));
+        playlistBookmarkButton.setTitle(titleRes);
+    }
 }

app/src/main/java/org/schabi/newpipe/fragments/list/search/SearchFragment.java

@@ -2,7 +2,6 @@ package org.schabi.newpipe.fragments.list.search;
 
 import android.app.Activity;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
@@ -30,10 +29,8 @@ import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
 import android.widget.TextView;
 
-import org.schabi.newpipe.NewPipeDatabase;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.ReCaptchaActivity;
-import org.schabi.newpipe.database.history.dao.SearchHistoryDAO;
 import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
 import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.ListExtractor;
@@ -44,7 +41,7 @@ import org.schabi.newpipe.extractor.search.SearchEngine;
 import org.schabi.newpipe.extractor.search.SearchResult;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.list.BaseListFragment;
-import org.schabi.newpipe.history.HistoryListener;
+import org.schabi.newpipe.history.HistoryRecordManager;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.AnimationUtils;
@@ -64,16 +61,11 @@ import java.util.concurrent.TimeUnit;
 
 import icepick.State;
 import io.reactivex.Flowable;
-import io.reactivex.Notification;
 import io.reactivex.Observable;
-import io.reactivex.ObservableSource;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
-import io.reactivex.functions.BiFunction;
 import io.reactivex.functions.Consumer;
-import io.reactivex.functions.Function;
-import io.reactivex.functions.Predicate;
 import io.reactivex.schedulers.Schedulers;
 import io.reactivex.subjects.PublishSubject;
 
@@ -121,7 +113,7 @@ public class SearchFragment extends BaseListFragment<SearchResult, ListExtractor
     private CompositeDisposable disposables = new CompositeDisposable();
 
     private SuggestionListAdapter suggestionListAdapter;
-    private SearchHistoryDAO searchHistoryDAO;
+    private HistoryRecordManager historyRecordManager;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Views
@@ -166,8 +158,8 @@ public class SearchFragment extends BaseListFragment<SearchResult, ListExtractor
         SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
         isSearchHistoryEnabled = preferences.getBoolean(getString(R.string.enable_search_history_key), true);
         suggestionListAdapter.setShowSuggestionHistory(isSearchHistoryEnabled);
-        
+
-        searchHistoryDAO = NewPipeDatabase.getInstance().searchHistoryDAO();
+        historyRecordManager = new HistoryRecordManager(context);
     }
 
     @Override
@@ -535,36 +527,24 @@ public class SearchFragment extends BaseListFragment<SearchResult, ListExtractor
     }
 
     private void showDeleteSuggestionDialog(final SuggestionItem item) {
+        final Disposable onDelete = historyRecordManager.deleteSearchHistory(item.query)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(
+                        howManyDeleted -> suggestionPublisher
+                                .onNext(searchEditText.getText().toString()),
+
+                        throwable -> showSnackBarError(throwable,
+                                UserAction.SOMETHING_ELSE, "none",
+                                "Deleting item failed", R.string.general_error)
+                );
+
         new AlertDialog.Builder(activity)
                 .setTitle(item.query)
                 .setMessage(R.string.delete_item_search_history)
                 .setCancelable(true)
                 .setNegativeButton(R.string.cancel, null)
-                .setPositiveButton(R.string.delete, new DialogInterface.OnClickListener() {
+                .setPositiveButton(R.string.delete, (dialog, which) -> disposables.add(onDelete))
-                    @Override
+                .show();
-                    public void onClick(DialogInterface dialog, int which) {
-                        disposables.add(Observable
-                                .fromCallable(new Callable<Integer>() {
-                                    @Override
-                                    public Integer call() throws Exception {
-                                        return searchHistoryDAO.deleteAllWhereQuery(item.query);
-                                    }
-                                })
-                                .subscribeOn(Schedulers.io())
-                                .observeOn(AndroidSchedulers.mainThread())
-                                .subscribe(new Consumer<Integer>() {
-                                    @Override
-                                    public void accept(Integer howManyDeleted) throws Exception {
-                                        suggestionPublisher.onNext(searchEditText.getText().toString());
-                                    }
-                                }, new Consumer<Throwable>() {
-                                    @Override
-                                    public void accept(Throwable throwable) throws Exception {
-                                        showSnackBarError(throwable, UserAction.SOMETHING_ELSE, "none", "Deleting item failed", R.string.general_error);
-                                    }
-                                }));
-                    }
-                }).show();
     }
 
     @Override
@@ -589,83 +569,67 @@ public class SearchFragment extends BaseListFragment<SearchResult, ListExtractor
         final Observable<String> observable = suggestionPublisher
                 .debounce(SUGGESTIONS_DEBOUNCE, TimeUnit.MILLISECONDS)
                 .startWith(searchQuery != null ? searchQuery : "")
-                .filter(new Predicate<String>() {
+                .filter(query -> isSuggestionsEnabled);
-                    @Override
-                    public boolean test(@io.reactivex.annotations.NonNull String query) throws Exception {
-                        return isSuggestionsEnabled;
-                    }
-                });
 
         suggestionDisposable = observable
-                .switchMap(new Function<String, ObservableSource<Notification<List<SuggestionItem>>>>() {
+                .switchMap(query -> {
-                    @Override
+                    final Flowable<List<SearchHistoryEntry>> flowable = historyRecordManager
-                    public ObservableSource<Notification<List<SuggestionItem>>> apply(@io.reactivex.annotations.NonNull final String query) throws Exception {
+                            .getRelatedSearches(query, 3, 25);
-                        final Flowable<List<SearchHistoryEntry>> flowable = query.length() > 0
+                    final Observable<List<SuggestionItem>> local = flowable.toObservable()
-                                ? searchHistoryDAO.getSimilarEntries(query, 3)
+                            .map(searchHistoryEntries -> {
-                                : searchHistoryDAO.getUniqueEntries(25);
+                                List<SuggestionItem> result = new ArrayList<>();
-                        final Observable<List<SuggestionItem>> local = flowable.toObservable()
+                                for (SearchHistoryEntry entry : searchHistoryEntries)
-                                .map(new Function<List<SearchHistoryEntry>, List<SuggestionItem>>() {
+                                    result.add(new SuggestionItem(true, entry.getSearch()));
-                                    @Override
+                                return result;
-                                    public List<SuggestionItem> apply(@io.reactivex.annotations.NonNull List<SearchHistoryEntry> searchHistoryEntries) throws Exception {
+                            });
-                                        List<SuggestionItem> result = new ArrayList<>();
-                                        for (SearchHistoryEntry entry : searchHistoryEntries)
-                                            result.add(new SuggestionItem(true, entry.getSearch()));
-                                        return result;
-                                    }
-                                });
 
-                        if (query.length() < THRESHOLD_NETWORK_SUGGESTION) {
+                    if (query.length() < THRESHOLD_NETWORK_SUGGESTION) {
-                            // Only pass through if the query length is equal or greater than THRESHOLD_NETWORK_SUGGESTION
+                        // Only pass through if the query length is equal or greater than THRESHOLD_NETWORK_SUGGESTION
-                            return local.materialize();
+                        return local.materialize();
+                    }
+
+                    final Observable<List<SuggestionItem>> network = ExtractorHelper
+                            .suggestionsFor(serviceId, query, contentCountry)
+                            .toObservable()
+                            .map(strings -> {
+                                List<SuggestionItem> result = new ArrayList<>();
+                                for (String entry : strings) {
+                                    result.add(new SuggestionItem(false, entry));
+                                }
+                                return result;
+                            });
+
+                    return Observable.zip(local, network, (localResult, networkResult) -> {
+                        List<SuggestionItem> result = new ArrayList<>();
+                        if (localResult.size() > 0) result.addAll(localResult);
+
+                        // Remove duplicates
+                        final Iterator<SuggestionItem> iterator = networkResult.iterator();
+                        while (iterator.hasNext() && localResult.size() > 0) {
+                            final SuggestionItem next = iterator.next();
+                            for (SuggestionItem item : localResult) {
+                                if (item.query.equals(next.query)) {
+                                    iterator.remove();
+                                    break;
+                                }
+                            }
                         }
 
-                        final Observable<List<SuggestionItem>> network = ExtractorHelper.suggestionsFor(serviceId, query, contentCountry).toObservable()
+                        if (networkResult.size() > 0) result.addAll(networkResult);
-                                .map(new Function<List<String>, List<SuggestionItem>>() {
+                        return result;
-                                    @Override
+                    }).materialize();
-                                    public List<SuggestionItem> apply(@io.reactivex.annotations.NonNull List<String> strings) throws Exception {
-                                        List<SuggestionItem> result = new ArrayList<>();
-                                        for (String entry : strings) result.add(new SuggestionItem(false, entry));
-                                        return result;
-                                    }
-                                });
-
-                        return Observable.zip(local, network, new BiFunction<List<SuggestionItem>, List<SuggestionItem>, List<SuggestionItem>>() {
-                            @Override
-                            public List<SuggestionItem> apply(@io.reactivex.annotations.NonNull List<SuggestionItem> localResult, @io.reactivex.annotations.NonNull List<SuggestionItem> networkResult) throws Exception {
-                                List<SuggestionItem> result = new ArrayList<>();
-                                if (localResult.size() > 0) result.addAll(localResult);
-
-                                // Remove duplicates
-                                final Iterator<SuggestionItem> iterator = networkResult.iterator();
-                                while (iterator.hasNext() && localResult.size() > 0) {
-                                    final SuggestionItem next = iterator.next();
-                                    for (SuggestionItem item : localResult) {
-                                        if (item.query.equals(next.query)) {
-                                            iterator.remove();
-                                            break;
-                                        }
-                                    }
-                                }
-
-                                if (networkResult.size() > 0) result.addAll(networkResult);
-                                return result;
-                            }
-                        }).materialize();
-                    }
                 })
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(new Consumer<Notification<List<SuggestionItem>>>() {
+                .subscribe(listNotification -> {
-                    @Override
+                    if (listNotification.isOnNext()) {
-                    public void accept(@io.reactivex.annotations.NonNull Notification<List<SuggestionItem>> listNotification) throws Exception {
+                        handleSuggestions(listNotification.getValue());
-                        if (listNotification.isOnNext()) {
+                    } else if (listNotification.isOnError()) {
-                            handleSuggestions(listNotification.getValue());
+                        Throwable error = listNotification.getError();
-                        } else if (listNotification.isOnError()) {
+                        if (!ExtractorHelper.hasAssignableCauseThrowable(error,
-                            Throwable error = listNotification.getError();
+                                IOException.class, SocketException.class,
-                            if (!ExtractorHelper.hasAssignableCauseThrowable(error,
+                                InterruptedException.class, InterruptedIOException.class)) {
-                                    IOException.class, SocketException.class, InterruptedException.class, InterruptedIOException.class)) {
+                            onSuggestionError(error);
-                                onSuggestionError(error);
-                            }
                         }
                     }
                 });
@@ -718,11 +682,14 @@ public class SearchFragment extends BaseListFragment<SearchResult, ListExtractor
         hideSuggestionsPanel();
         hideKeyboardSearch();
 
-        if (activity instanceof HistoryListener) {
+        historyRecordManager.onSearched(serviceId, query)
-            ((HistoryListener) activity).onSearch(serviceId, query);
+                .observeOn(AndroidSchedulers.mainThread())
-            suggestionPublisher.onNext(query);
+                .subscribe(
-        }
+                        ignored -> {},
-
+                        error -> showSnackBarError(error, UserAction.SEARCHED,
+                                NewPipe.getNameOfService(serviceId), query, 0)
+                );
+        suggestionPublisher.onNext(query);
         startLoading(false);
     }
 

app/src/main/java/org/schabi/newpipe/fragments/local/HeaderFooterHolder.java

@@ -0,0 +1,13 @@
+package org.schabi.newpipe.fragments.local;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+
+public class HeaderFooterHolder extends RecyclerView.ViewHolder {
+    public View view;
+
+    public HeaderFooterHolder(View v) {
+        super(v);
+        view = v;
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/LocalItemBuilder.java

@@ -0,0 +1,62 @@
+package org.schabi.newpipe.fragments.local;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.widget.ImageView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+import com.nostra13.universalimageloader.core.ImageLoader;
+import com.nostra13.universalimageloader.core.process.BitmapProcessor;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.util.OnClickGesture;
+
+/*
+ * Created by Christian Schabesberger on 26.09.16.
+ * <p>
+ * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
+ * InfoItemBuilder.java is part of NewPipe.
+ * <p>
+ * NewPipe is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * NewPipe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public class LocalItemBuilder {
+    private static final String TAG = LocalItemBuilder.class.toString();
+
+    private final Context context;
+    private ImageLoader imageLoader = ImageLoader.getInstance();
+
+    private OnClickGesture<LocalItem> onSelectedListener;
+
+    public LocalItemBuilder(Context context) {
+        this.context = context;
+    }
+
+    public Context getContext() {
+        return context;
+    }
+
+    public void displayImage(final String url, final ImageView view,
+                             final DisplayImageOptions options) {
+        imageLoader.displayImage(url, view, options);
+    }
+
+    public OnClickGesture<LocalItem> getOnItemSelectedListener() {
+        return onSelectedListener;
+    }
+
+    public void setOnItemSelectedListener(OnClickGesture<LocalItem> listener) {
+        this.onSelectedListener = listener;
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/LocalItemListAdapter.java

@@ -0,0 +1,247 @@
+package org.schabi.newpipe.fragments.local;
+
+import android.app.Activity;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.fragments.local.holder.LocalItemHolder;
+import org.schabi.newpipe.fragments.local.holder.LocalPlaylistItemHolder;
+import org.schabi.newpipe.fragments.local.holder.LocalPlaylistStreamItemHolder;
+import org.schabi.newpipe.fragments.local.holder.LocalStatisticStreamItemHolder;
+import org.schabi.newpipe.fragments.local.holder.RemotePlaylistItemHolder;
+import org.schabi.newpipe.util.Localization;
+import org.schabi.newpipe.util.OnClickGesture;
+
+import java.text.DateFormat;
+import java.util.ArrayList;
+import java.util.List;
+
+/*
+ * Created by Christian Schabesberger on 01.08.16.
+ *
+ * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
+ * InfoListAdapter.java is part of NewPipe.
+ *
+ * NewPipe is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * NewPipe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    
+    private static final String TAG = LocalItemListAdapter.class.getSimpleName();
+    private static final boolean DEBUG = false;
+
+    private static final int HEADER_TYPE = 0;
+    private static final int FOOTER_TYPE = 1;
+
+    private static final int STREAM_STATISTICS_HOLDER_TYPE = 0x1000;
+    private static final int STREAM_PLAYLIST_HOLDER_TYPE = 0x1001;
+    private static final int LOCAL_PLAYLIST_HOLDER_TYPE = 0x2000;
+    private static final int REMOTE_PLAYLIST_HOLDER_TYPE = 0x2001;
+
+    private final LocalItemBuilder localItemBuilder;
+    private final ArrayList<LocalItem> localItems;
+    private final DateFormat dateFormat;
+
+    private boolean showFooter = false;
+    private View header = null;
+    private View footer = null;
+
+    public LocalItemListAdapter(Activity activity) {
+        localItemBuilder = new LocalItemBuilder(activity);
+        localItems = new ArrayList<>();
+        dateFormat = DateFormat.getDateInstance(DateFormat.SHORT,
+                Localization.getPreferredLocale(activity));
+    }
+
+    public void setSelectedListener(OnClickGesture<LocalItem> listener) {
+        localItemBuilder.setOnItemSelectedListener(listener);
+    }
+
+    public void unsetSelectedListener() {
+        localItemBuilder.setOnItemSelectedListener(null);
+    }
+
+    public void addItems(List<? extends LocalItem> data) {
+        if (data != null) {
+            if (DEBUG) {
+                Log.d(TAG, "addItems() before > localItems.size() = " +
+                        localItems.size() + ", data.size() = " + data.size());
+            }
+
+            int offsetStart = sizeConsideringHeader();
+            localItems.addAll(data);
+
+            if (DEBUG) {
+                Log.d(TAG, "addItems() after > offsetStart = " + offsetStart +
+                        ", localItems.size() = " + localItems.size() +
+                        ", header = " + header + ", footer = " + footer +
+                        ", showFooter = " + showFooter);
+            }
+
+            notifyItemRangeInserted(offsetStart, data.size());
+
+            if (footer != null && showFooter) {
+                int footerNow = sizeConsideringHeader();
+                notifyItemMoved(offsetStart, footerNow);
+
+                if (DEBUG) Log.d(TAG, "addItems() footer from " + offsetStart +
+                        " to " + footerNow);
+            }
+        }
+    }
+
+    public void removeItem(final LocalItem data) {
+        final int index = localItems.indexOf(data);
+
+        localItems.remove(index);
+        notifyItemRemoved(index + (header != null ? 1 : 0));
+    }
+
+    public boolean swapItems(int fromAdapterPosition, int toAdapterPosition) {
+        final int actualFrom = adapterOffsetWithoutHeader(fromAdapterPosition);
+        final int actualTo = adapterOffsetWithoutHeader(toAdapterPosition);
+
+        if (actualFrom < 0 || actualTo < 0) return false;
+        if (actualFrom >= localItems.size() || actualTo >= localItems.size()) return false;
+
+        localItems.add(actualTo, localItems.remove(actualFrom));
+        notifyItemMoved(fromAdapterPosition, toAdapterPosition);
+        return true;
+    }
+
+    public void clearStreamItemList() {
+        if (localItems.isEmpty()) {
+            return;
+        }
+        localItems.clear();
+        notifyDataSetChanged();
+    }
+
+    public void setHeader(View header) {
+        boolean changed = header != this.header;
+        this.header = header;
+        if (changed) notifyDataSetChanged();
+    }
+
+    public void setFooter(View view) {
+        this.footer = view;
+    }
+
+    public void showFooter(boolean show) {
+        if (DEBUG) Log.d(TAG, "showFooter() called with: show = [" + show + "]");
+        if (show == showFooter) return;
+
+        showFooter = show;
+        if (show) notifyItemInserted(sizeConsideringHeader());
+        else notifyItemRemoved(sizeConsideringHeader());
+    }
+
+    private int adapterOffsetWithoutHeader(final int offset) {
+        return offset - (header != null ? 1 : 0);
+    }
+
+    private int sizeConsideringHeader() {
+        return localItems.size() + (header != null ? 1 : 0);
+    }
+
+    public ArrayList<LocalItem> getItemsList() {
+        return localItems;
+    }
+
+    @Override
+    public int getItemCount() {
+        int count = localItems.size();
+        if (header != null) count++;
+        if (footer != null && showFooter) count++;
+
+        if (DEBUG) {
+            Log.d(TAG, "getItemCount() called, count = " + count +
+                    ", localItems.size() = " + localItems.size() +
+                    ", header = " + header + ", footer = " + footer +
+                    ", showFooter = " + showFooter);
+        }
+        return count;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        if (DEBUG) Log.d(TAG, "getItemViewType() called with: position = [" + position + "]");
+
+        if (header != null && position == 0) {
+            return HEADER_TYPE;
+        } else if (header != null) {
+            position--;
+        }
+        if (footer != null && position == localItems.size() && showFooter) {
+            return FOOTER_TYPE;
+        }
+        final LocalItem item = localItems.get(position);
+
+        switch (item.getLocalItemType()) {
+            case PLAYLIST_LOCAL_ITEM: return LOCAL_PLAYLIST_HOLDER_TYPE;
+            case PLAYLIST_REMOTE_ITEM: return REMOTE_PLAYLIST_HOLDER_TYPE;
+
+            case PLAYLIST_STREAM_ITEM: return STREAM_PLAYLIST_HOLDER_TYPE;
+            case STATISTIC_STREAM_ITEM: return STREAM_STATISTICS_HOLDER_TYPE;
+            default:
+                Log.e(TAG, "No holder type has been considered for item: [" +
+                        item.getLocalItemType() + "]");
+                return -1;
+        }
+    }
+
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int type) {
+        if (DEBUG) Log.d(TAG, "onCreateViewHolder() called with: parent = [" +
+                parent + "], type = [" + type + "]");
+        switch (type) {
+            case HEADER_TYPE:
+                return new HeaderFooterHolder(header);
+            case FOOTER_TYPE:
+                return new HeaderFooterHolder(footer);
+            case LOCAL_PLAYLIST_HOLDER_TYPE:
+                return new LocalPlaylistItemHolder(localItemBuilder, parent);
+            case REMOTE_PLAYLIST_HOLDER_TYPE:
+                return new RemotePlaylistItemHolder(localItemBuilder, parent);
+            case STREAM_PLAYLIST_HOLDER_TYPE:
+                return new LocalPlaylistStreamItemHolder(localItemBuilder, parent);
+            case STREAM_STATISTICS_HOLDER_TYPE:
+                return new LocalStatisticStreamItemHolder(localItemBuilder, parent);
+            default:
+                Log.e(TAG, "No view type has been considered for holder: [" + type + "]");
+                return null;
+        }
+    }
+
+    @Override
+    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+        if (DEBUG) Log.d(TAG, "onBindViewHolder() called with: holder = [" +
+                holder.getClass().getSimpleName() + "], position = [" + position + "]");
+
+        if (holder instanceof LocalItemHolder) {
+            // If header isn't null, offset the items by -1
+            if (header != null) position--;
+
+            ((LocalItemHolder) holder).updateFromItem(localItems.get(position), dateFormat);
+        } else if (holder instanceof HeaderFooterHolder && position == 0 && header != null) {
+            ((HeaderFooterHolder) holder).view = header;
+        } else if (holder instanceof HeaderFooterHolder && position == sizeConsideringHeader()
+                && footer != null && showFooter) {
+            ((HeaderFooterHolder) holder).view = footer;
+        }
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/LocalPlaylistManager.java

@@ -0,0 +1,120 @@
+package org.schabi.newpipe.fragments.local;
+
+import android.support.annotation.Nullable;
+
+import org.schabi.newpipe.database.AppDatabase;
+import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
+import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
+import org.schabi.newpipe.database.playlist.dao.PlaylistDAO;
+import org.schabi.newpipe.database.playlist.dao.PlaylistStreamDAO;
+import org.schabi.newpipe.database.playlist.model.PlaylistEntity;
+import org.schabi.newpipe.database.playlist.model.PlaylistStreamEntity;
+import org.schabi.newpipe.database.stream.dao.StreamDAO;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import io.reactivex.Completable;
+import io.reactivex.Flowable;
+import io.reactivex.Maybe;
+import io.reactivex.Single;
+import io.reactivex.schedulers.Schedulers;
+
+public class LocalPlaylistManager {
+
+    private final AppDatabase database;
+    private final StreamDAO streamTable;
+    private final PlaylistDAO playlistTable;
+    private final PlaylistStreamDAO playlistStreamTable;
+
+    public LocalPlaylistManager(final AppDatabase db) {
+        database = db;
+        streamTable = db.streamDAO();
+        playlistTable = db.playlistDAO();
+        playlistStreamTable = db.playlistStreamDAO();
+    }
+
+    public Maybe<List<Long>> createPlaylist(final String name, final List<StreamEntity> streams) {
+        // Disallow creation of empty playlists
+        if (streams.isEmpty()) return Maybe.empty();
+        final StreamEntity defaultStream = streams.get(0);
+        final PlaylistEntity newPlaylist =
+                new PlaylistEntity(name, defaultStream.getThumbnailUrl());
+
+        return Maybe.fromCallable(() -> database.runInTransaction(() ->
+                upsertStreams(playlistTable.insert(newPlaylist), streams, 0))
+        ).subscribeOn(Schedulers.io());
+    }
+
+    public Maybe<List<Long>> appendToPlaylist(final long playlistId,
+                                              final List<StreamEntity> streams) {
+        return playlistStreamTable.getMaximumIndexOf(playlistId)
+                .firstElement()
+                .map(maxJoinIndex -> database.runInTransaction(() ->
+                        upsertStreams(playlistId, streams, maxJoinIndex + 1))
+                ).subscribeOn(Schedulers.io());
+    }
+
+    private List<Long> upsertStreams(final long playlistId,
+                                     final List<StreamEntity> streams,
+                                     final int indexOffset) {
+
+        List<PlaylistStreamEntity> joinEntities = new ArrayList<>(streams.size());
+        final List<Long> streamIds = streamTable.upsertAll(streams);
+        for (int index = 0; index < streamIds.size(); index++) {
+            joinEntities.add(new PlaylistStreamEntity(playlistId, streamIds.get(index),
+                    index + indexOffset));
+        }
+        return playlistStreamTable.insertAll(joinEntities);
+    }
+
+    public Completable updateJoin(final long playlistId, final List<Long> streamIds) {
+        List<PlaylistStreamEntity> joinEntities = new ArrayList<>(streamIds.size());
+        for (int i = 0; i < streamIds.size(); i++) {
+            joinEntities.add(new PlaylistStreamEntity(playlistId, streamIds.get(i), i));
+        }
+
+        return Completable.fromRunnable(() -> database.runInTransaction(() -> {
+            playlistStreamTable.deleteBatch(playlistId);
+            playlistStreamTable.insertAll(joinEntities);
+        })).subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<PlaylistMetadataEntry>> getPlaylists() {
+        return playlistStreamTable.getPlaylistMetadata().subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<PlaylistStreamEntry>> getPlaylistStreams(final long playlistId) {
+        return playlistStreamTable.getOrderedStreamsOf(playlistId).subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> deletePlaylist(final long playlistId) {
+        return Single.fromCallable(() -> playlistTable.deletePlaylist(playlistId))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Maybe<Integer> renamePlaylist(final long playlistId, final String name) {
+        return modifyPlaylist(playlistId, name, null);
+    }
+
+    public Maybe<Integer> changePlaylistThumbnail(final long playlistId,
+                                                  final String thumbnailUrl) {
+        return modifyPlaylist(playlistId, null, thumbnailUrl);
+    }
+
+    private Maybe<Integer> modifyPlaylist(final long playlistId,
+                                          @Nullable final String name,
+                                          @Nullable final String thumbnailUrl) {
+        return playlistTable.getPlaylist(playlistId)
+                .firstElement()
+                .filter(playlistEntities -> !playlistEntities.isEmpty())
+                .map(playlistEntities -> {
+                    PlaylistEntity playlist = playlistEntities.get(0);
+                    if (name != null) playlist.setName(name);
+                    if (thumbnailUrl != null) playlist.setThumbnailUrl(thumbnailUrl);
+                    return playlistTable.update(playlist);
+                }).subscribeOn(Schedulers.io());
+    }
+
+}

app/src/main/java/org/schabi/newpipe/fragments/local/RemotePlaylistManager.java

@@ -0,0 +1,49 @@
+package org.schabi.newpipe.fragments.local;
+
+import org.schabi.newpipe.database.AppDatabase;
+import org.schabi.newpipe.database.playlist.dao.PlaylistRemoteDAO;
+import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
+import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+import io.reactivex.Single;
+import io.reactivex.schedulers.Schedulers;
+
+public class RemotePlaylistManager {
+
+    private final AppDatabase database;
+    private final PlaylistRemoteDAO playlistRemoteTable;
+
+    public RemotePlaylistManager(final AppDatabase db) {
+        database = db;
+        playlistRemoteTable = db.playlistRemoteDAO();
+    }
+
+    public Flowable<List<PlaylistRemoteEntity>> getPlaylists() {
+        return playlistRemoteTable.getAll().subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<PlaylistRemoteEntity>> getPlaylist(final PlaylistInfo info) {
+        return playlistRemoteTable.getPlaylist(info.getServiceId(), info.getUrl())
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> deletePlaylist(final long playlistId) {
+        return Single.fromCallable(() -> playlistRemoteTable.deletePlaylist(playlistId))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Single<Long> onBookmark(final PlaylistInfo playlistInfo) {
+        return Single.fromCallable(() -> {
+            final PlaylistRemoteEntity playlist = new PlaylistRemoteEntity(playlistInfo);
+            return playlistRemoteTable.upsert(playlist);
+        }).subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> onUpdate(final PlaylistInfo playlistInfo) {
+        return Single.fromCallable(() -> playlistRemoteTable.update(new PlaylistRemoteEntity(playlistInfo)))
+                .subscribeOn(Schedulers.io());
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/BaseLocalListFragment.java

@@ -0,0 +1,175 @@
+package org.schabi.newpipe.fragments.local.bookmark;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v7.app.ActionBar;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.View;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.fragments.BaseStateFragment;
+import org.schabi.newpipe.fragments.list.ListViewContract;
+import org.schabi.newpipe.fragments.local.LocalItemListAdapter;
+
+import static org.schabi.newpipe.util.AnimationUtils.animateView;
+
+/**
+ * This fragment is design to be used with persistent data such as
+ * {@link org.schabi.newpipe.database.LocalItem}, and does not cache the data contained
+ * in the list adapter to avoid extra writes when the it exits or re-enters its lifecycle.
+ *
+ * This fragment destroys its adapter and views when {@link Fragment#onDestroyView()} is
+ * called and is memory efficient when in backstack.
+ * */
+public abstract class BaseLocalListFragment<I, N> extends BaseStateFragment<I>
+        implements ListViewContract<I, N> {
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Views
+    //////////////////////////////////////////////////////////////////////////*/
+
+    protected View headerRootView;
+    protected View footerRootView;
+
+    protected LocalItemListAdapter itemListAdapter;
+    protected RecyclerView itemsList;
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Lifecycle - Creation
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Lifecycle - View
+    //////////////////////////////////////////////////////////////////////////*/
+
+    protected View getListHeader() {
+        return null;
+    }
+
+    protected View getListFooter() {
+        return activity.getLayoutInflater().inflate(R.layout.pignate_footer, itemsList, false);
+    }
+
+    protected RecyclerView.LayoutManager getListLayoutManager() {
+        return new LinearLayoutManager(activity);
+    }
+
+    @Override
+    protected void initViews(View rootView, Bundle savedInstanceState) {
+        super.initViews(rootView, savedInstanceState);
+
+        itemsList = rootView.findViewById(R.id.items_list);
+        itemsList.setLayoutManager(getListLayoutManager());
+
+        itemListAdapter = new LocalItemListAdapter(activity);
+        itemListAdapter.setHeader(headerRootView = getListHeader());
+        itemListAdapter.setFooter(footerRootView = getListFooter());
+
+        itemsList.setAdapter(itemListAdapter);
+    }
+
+    @Override
+    protected void initListeners() {
+        super.initListeners();
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Lifecycle - Menu
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+        if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu +
+                "], inflater = [" + inflater + "]");
+
+        final ActionBar supportActionBar = activity.getSupportActionBar();
+        if (supportActionBar == null) return;
+
+        supportActionBar.setDisplayShowTitleEnabled(true);
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Lifecycle - Destruction
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        itemsList = null;
+        itemListAdapter = null;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Contract
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public void startLoading(boolean forceLoad) {
+        super.startLoading(forceLoad);
+        resetFragment();
+    }
+
+    @Override
+    public void showLoading() {
+        super.showLoading();
+        if (itemsList != null) animateView(itemsList, false, 200);
+        if (headerRootView != null) animateView(headerRootView, false, 200);
+    }
+
+    @Override
+    public void hideLoading() {
+        super.hideLoading();
+        if (itemsList != null) animateView(itemsList, true, 200);
+        if (headerRootView != null) animateView(headerRootView, true, 200);
+    }
+
+    @Override
+    public void showError(String message, boolean showRetryButton) {
+        super.showError(message, showRetryButton);
+        showListFooter(false);
+
+        if (itemsList != null) animateView(itemsList, false, 200);
+        if (headerRootView != null) animateView(headerRootView, false, 200);
+    }
+
+    @Override
+    public void showEmptyState() {
+        super.showEmptyState();
+        showListFooter(false);
+    }
+
+    @Override
+    public void showListFooter(final boolean show) {
+        itemsList.post(() -> itemListAdapter.showFooter(show));
+    }
+
+    @Override
+    public void handleNextItems(N result) {
+        isLoading.set(false);
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Error handling
+    //////////////////////////////////////////////////////////////////////////*/
+
+    protected void resetFragment() {
+        if (itemListAdapter != null) itemListAdapter.clearStreamItemList();
+    }
+
+    @Override
+    protected boolean onError(Throwable exception) {
+        resetFragment();
+        return super.onError(exception);
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/BookmarkFragment.java

@@ -0,0 +1,309 @@
+package org.schabi.newpipe.fragments.local.bookmark;
+
+import android.app.AlertDialog;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v4.app.FragmentManager;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.reactivestreams.Subscriber;
+import org.reactivestreams.Subscription;
+import org.schabi.newpipe.NewPipeDatabase;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.AppDatabase;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistLocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
+import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
+import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
+import org.schabi.newpipe.fragments.local.RemotePlaylistManager;
+import org.schabi.newpipe.report.UserAction;
+import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.OnClickGesture;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import icepick.State;
+import io.reactivex.Flowable;
+import io.reactivex.Single;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+
+public final class BookmarkFragment
+        extends BaseLocalListFragment<List<PlaylistLocalItem>, Void> {
+
+    private View lastPlayedButton;
+    private View mostPlayedButton;
+
+    @State
+    protected Parcelable itemsListState;
+
+    private Subscription databaseSubscription;
+    private CompositeDisposable disposables = new CompositeDisposable();
+    private LocalPlaylistManager localPlaylistManager;
+    private RemotePlaylistManager remotePlaylistManager;
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Creation
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final AppDatabase database = NewPipeDatabase.getInstance(getContext());
+        localPlaylistManager = new LocalPlaylistManager(database);
+        remotePlaylistManager = new RemotePlaylistManager(database);
+        disposables = new CompositeDisposable();
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             @Nullable ViewGroup container,
+                             Bundle savedInstanceState) {
+        if (activity != null && activity.getSupportActionBar() != null) {
+            activity.getSupportActionBar().setDisplayShowTitleEnabled(true);
+            activity.setTitle(R.string.tab_subscriptions);
+        }
+
+        return inflater.inflate(R.layout.fragment_bookmarks, container, false);
+    }
+
+
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        if (isVisibleToUser) setTitle(getString(R.string.tab_bookmarks));
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Views
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    protected void initViews(View rootView, Bundle savedInstanceState) {
+        super.initViews(rootView, savedInstanceState);
+    }
+
+    @Override
+    protected View getListHeader() {
+        final View headerRootLayout = activity.getLayoutInflater()
+                .inflate(R.layout.bookmark_header, itemsList, false);
+        lastPlayedButton = headerRootLayout.findViewById(R.id.lastPlayed);
+        mostPlayedButton = headerRootLayout.findViewById(R.id.mostPlayed);
+        return headerRootLayout;
+    }
+
+    @Override
+    protected void initListeners() {
+        super.initListeners();
+
+        itemListAdapter.setSelectedListener(new OnClickGesture<LocalItem>() {
+            @Override
+            public void selected(LocalItem selectedItem) {
+                // Requires the parent fragment to find holder for fragment replacement
+                if (getParentFragment() == null) return;
+                final FragmentManager fragmentManager = getParentFragment().getFragmentManager();
+
+                if (selectedItem instanceof PlaylistMetadataEntry) {
+                    final PlaylistMetadataEntry entry = ((PlaylistMetadataEntry) selectedItem);
+                    NavigationHelper.openLocalPlaylistFragment(fragmentManager, entry.uid,
+                            entry.name);
+
+                } else if (selectedItem instanceof PlaylistRemoteEntity) {
+                    final PlaylistRemoteEntity entry = ((PlaylistRemoteEntity) selectedItem);
+                    NavigationHelper.openPlaylistFragment(fragmentManager, entry.getServiceId(),
+                            entry.getUrl(), entry.getName());
+                }
+            }
+
+            @Override
+            public void held(LocalItem selectedItem) {
+                if (selectedItem instanceof PlaylistMetadataEntry) {
+                    showLocalDeleteDialog((PlaylistMetadataEntry) selectedItem);
+
+                } else if (selectedItem instanceof PlaylistRemoteEntity) {
+                    showRemoteDeleteDialog((PlaylistRemoteEntity) selectedItem);
+                }
+            }
+        });
+
+        lastPlayedButton.setOnClickListener(view -> {
+            if (getParentFragment() != null) {
+                NavigationHelper.openLastPlayedFragment(getParentFragment().getFragmentManager());
+            }
+        });
+
+        mostPlayedButton.setOnClickListener(view -> {
+            if (getParentFragment() != null) {
+                NavigationHelper.openMostPlayedFragment(getParentFragment().getFragmentManager());
+            }
+        });
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Loading
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void startLoading(boolean forceLoad) {
+        super.startLoading(forceLoad);
+
+        Flowable.combineLatest(
+                localPlaylistManager.getPlaylists(),
+                remotePlaylistManager.getPlaylists(),
+                BookmarkFragment::merge
+        ).onBackpressureLatest()
+         .observeOn(AndroidSchedulers.mainThread())
+         .subscribe(getPlaylistsSubscriber());
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Destruction
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        itemsListState = itemsList.getLayoutManager().onSaveInstanceState();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        if (mostPlayedButton != null) mostPlayedButton.setOnClickListener(null);
+        if (lastPlayedButton != null) lastPlayedButton.setOnClickListener(null);
+
+        if (disposables != null) disposables.clear();
+        if (databaseSubscription != null) databaseSubscription.cancel();
+
+        databaseSubscription = null;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (disposables != null) disposables.dispose();
+
+        disposables = null;
+        localPlaylistManager = null;
+        remotePlaylistManager = null;
+        itemsListState = null;
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Subscriptions Loader
+    ///////////////////////////////////////////////////////////////////////////
+
+    private Subscriber<List<PlaylistLocalItem>> getPlaylistsSubscriber() {
+        return new Subscriber<List<PlaylistLocalItem>>() {
+            @Override
+            public void onSubscribe(Subscription s) {
+                showLoading();
+                if (databaseSubscription != null) databaseSubscription.cancel();
+                databaseSubscription = s;
+                databaseSubscription.request(1);
+            }
+
+            @Override
+            public void onNext(List<PlaylistLocalItem> subscriptions) {
+                handleResult(subscriptions);
+                if (databaseSubscription != null) databaseSubscription.request(1);
+            }
+
+            @Override
+            public void onError(Throwable exception) {
+                BookmarkFragment.this.onError(exception);
+            }
+
+            @Override
+            public void onComplete() {
+            }
+        };
+    }
+
+    @Override
+    public void handleResult(@NonNull List<PlaylistLocalItem> result) {
+        super.handleResult(result);
+
+        itemListAdapter.clearStreamItemList();
+
+        if (result.isEmpty()) {
+            showEmptyState();
+            return;
+        }
+
+        itemListAdapter.addItems(result);
+        if (itemsListState != null) {
+            itemsList.getLayoutManager().onRestoreInstanceState(itemsListState);
+            itemsListState = null;
+        }
+        hideLoading();
+    }
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment Error Handling
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    protected boolean onError(Throwable exception) {
+        if (super.onError(exception)) return true;
+
+        onUnrecoverableError(exception, UserAction.SOMETHING_ELSE,
+                "none", "Bookmark", R.string.general_error);
+        return true;
+    }
+
+    @Override
+    protected void resetFragment() {
+        super.resetFragment();
+        if (disposables != null) disposables.clear();
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Utils
+    ///////////////////////////////////////////////////////////////////////////
+
+    private void showLocalDeleteDialog(final PlaylistMetadataEntry item) {
+        showDeleteDialog(item.name, localPlaylistManager.deletePlaylist(item.uid));
+    }
+
+    private void showRemoteDeleteDialog(final PlaylistRemoteEntity item) {
+        showDeleteDialog(item.getName(), remotePlaylistManager.deletePlaylist(item.getUid()));
+    }
+
+    private void showDeleteDialog(final String name, final Single<Integer> deleteReactor) {
+        if (activity == null || disposables == null) return;
+
+        new AlertDialog.Builder(activity)
+                .setTitle(name)
+                .setMessage(R.string.delete_playlist_prompt)
+                .setCancelable(true)
+                .setPositiveButton(R.string.delete, (dialog, i) ->
+                        disposables.add(deleteReactor
+                                .observeOn(AndroidSchedulers.mainThread())
+                                .subscribe(ignored -> {/*Do nothing on success*/}, this::onError))
+                )
+                .setNegativeButton(R.string.cancel, null)
+                .show();
+    }
+
+    private static List<PlaylistLocalItem> merge(final List<PlaylistMetadataEntry> localPlaylists,
+                                                 final List<PlaylistRemoteEntity> remotePlaylists) {
+        List<PlaylistLocalItem> items = new ArrayList<>(
+                localPlaylists.size() + remotePlaylists.size());
+        items.addAll(localPlaylists);
+        items.addAll(remotePlaylists);
+
+        Collections.sort(items, (left, right) ->
+                left.getOrderingName().compareToIgnoreCase(right.getOrderingName()));
+
+        return items;
+    }
+}
+

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/LastPlayedFragment.java

@@ -0,0 +1,21 @@
+package org.schabi.newpipe.fragments.local.bookmark;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
+
+import java.util.Collections;
+import java.util.List;
+
+public final class LastPlayedFragment extends StatisticsPlaylistFragment {
+    @Override
+    protected String getName() {
+        return getString(R.string.title_last_played);
+    }
+
+    @Override
+    protected List<StreamStatisticsEntry> processResult(List<StreamStatisticsEntry> results)  {
+        Collections.sort(results, (left, right) ->
+                right.latestAccessDate.compareTo(left.latestAccessDate));
+        return results;
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/LocalPlaylistFragment.java

@@ -0,0 +1,590 @@
+package org.schabi.newpipe.fragments.local.bookmark;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import org.reactivestreams.Subscriber;
+import org.reactivestreams.Subscription;
+import org.schabi.newpipe.NewPipeDatabase;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
+import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
+import org.schabi.newpipe.info_list.InfoItemDialog;
+import org.schabi.newpipe.playlist.PlayQueue;
+import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.report.UserAction;
+import org.schabi.newpipe.util.Localization;
+import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.OnClickGesture;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import icepick.State;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.disposables.Disposables;
+import io.reactivex.subjects.PublishSubject;
+
+import static org.schabi.newpipe.util.AnimationUtils.animateView;
+
+public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistStreamEntry>, Void> {
+
+    // Save the list 10 seconds after the last change occurred
+    private static final long SAVE_DEBOUNCE_MILLIS = 10000;
+    private static final int MINIMUM_INITIAL_DRAG_VELOCITY = 12;
+
+    private View headerRootLayout;
+    private TextView headerTitleView;
+    private TextView headerStreamCount;
+
+    private View playlistControl;
+    private View headerPlayAllButton;
+    private View headerPopupButton;
+    private View headerBackgroundButton;
+
+    @State
+    protected Long playlistId;
+    @State
+    protected String name;
+    @State
+    protected Parcelable itemsListState;
+
+    private ItemTouchHelper itemTouchHelper;
+
+    private LocalPlaylistManager playlistManager;
+    private Subscription databaseSubscription;
+
+    private PublishSubject<Long> debouncedSaveSignal;
+    private CompositeDisposable disposables;
+
+    /* Has the playlist been fully loaded from db */
+    private AtomicBoolean isLoadingComplete;
+    /* Has the playlist been modified (e.g. items reordered or deleted) */
+    private AtomicBoolean isModified;
+
+    public static LocalPlaylistFragment getInstance(long playlistId, String name) {
+        LocalPlaylistFragment instance = new LocalPlaylistFragment();
+        instance.setInitialData(playlistId, name);
+        return instance;
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Creation
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        playlistManager = new LocalPlaylistManager(NewPipeDatabase.getInstance(getContext()));
+        debouncedSaveSignal = PublishSubject.create();
+
+        disposables = new CompositeDisposable();
+
+        isLoadingComplete = new AtomicBoolean();
+        isModified = new AtomicBoolean();
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_playlist, container, false);
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment Lifecycle - Views
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void setTitle(final String title) {
+        super.setTitle(title);
+
+        if (headerTitleView != null) {
+            headerTitleView.setText(title);
+        }
+    }
+
+    @Override
+    protected void initViews(View rootView, Bundle savedInstanceState) {
+        super.initViews(rootView, savedInstanceState);
+        setTitle(name);
+    }
+
+    @Override
+    protected View getListHeader() {
+        headerRootLayout = activity.getLayoutInflater().inflate(R.layout.local_playlist_header,
+                itemsList, false);
+
+        headerTitleView = headerRootLayout.findViewById(R.id.playlist_title_view);
+        headerTitleView.setSelected(true);
+
+        headerStreamCount = headerRootLayout.findViewById(R.id.playlist_stream_count);
+
+        playlistControl = headerRootLayout.findViewById(R.id.playlist_control);
+        headerPlayAllButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_all_button);
+        headerPopupButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_popup_button);
+        headerBackgroundButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_bg_button);
+
+        return headerRootLayout;
+    }
+
+    @Override
+    protected void initListeners() {
+        super.initListeners();
+
+        headerTitleView.setOnClickListener(view -> createRenameDialog());
+
+        itemTouchHelper = new ItemTouchHelper(getItemTouchCallback());
+        itemTouchHelper.attachToRecyclerView(itemsList);
+
+        itemListAdapter.setSelectedListener(new OnClickGesture<LocalItem>() {
+            @Override
+            public void selected(LocalItem selectedItem) {
+                if (selectedItem instanceof PlaylistStreamEntry) {
+                    final PlaylistStreamEntry item = (PlaylistStreamEntry) selectedItem;
+                    NavigationHelper.openVideoDetailFragment(getFragmentManager(),
+                            item.serviceId, item.url, item.title);
+                }
+            }
+
+            @Override
+            public void held(LocalItem selectedItem) {
+                if (selectedItem instanceof PlaylistStreamEntry) {
+                    showStreamDialog((PlaylistStreamEntry) selectedItem);
+                }
+            }
+
+            @Override
+            public void drag(LocalItem selectedItem, RecyclerView.ViewHolder viewHolder) {
+                if (itemTouchHelper != null) itemTouchHelper.startDrag(viewHolder);
+            }
+        });
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment Lifecycle - Loading
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void showLoading() {
+        super.showLoading();
+        if (headerRootLayout != null) animateView(headerRootLayout, false, 200);
+        if (playlistControl != null) animateView(playlistControl, false, 200);
+    }
+
+    @Override
+    public void hideLoading() {
+        super.hideLoading();
+        if (headerRootLayout != null) animateView(headerRootLayout, true, 200);
+        if (playlistControl != null) animateView(playlistControl, true, 200);
+    }
+
+    @Override
+    public void startLoading(boolean forceLoad) {
+        super.startLoading(forceLoad);
+
+        if (disposables != null) disposables.clear();
+        disposables.add(getDebouncedSaver());
+
+        isLoadingComplete.set(false);
+        isModified.set(false);
+
+        playlistManager.getPlaylistStreams(playlistId)
+                .onBackpressureLatest()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(getPlaylistObserver());
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment Lifecycle - Destruction
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        itemsListState = itemsList.getLayoutManager().onSaveInstanceState();
+
+        // Save on exit
+        saveImmediate();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+
+        if (itemListAdapter != null) itemListAdapter.unsetSelectedListener();
+        if (headerBackgroundButton != null) headerBackgroundButton.setOnClickListener(null);
+        if (headerPlayAllButton != null) headerPlayAllButton.setOnClickListener(null);
+        if (headerPopupButton != null) headerPopupButton.setOnClickListener(null);
+
+        if (databaseSubscription != null) databaseSubscription.cancel();
+        if (disposables != null) disposables.clear();
+
+        databaseSubscription = null;
+        itemTouchHelper = null;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (debouncedSaveSignal != null) debouncedSaveSignal.onComplete();
+        if (disposables != null) disposables.dispose();
+
+        debouncedSaveSignal = null;
+        playlistManager = null;
+        disposables = null;
+
+        isLoadingComplete = null;
+        isModified = null;
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Playlist Stream Loader
+    ///////////////////////////////////////////////////////////////////////////
+
+    private Subscriber<List<PlaylistStreamEntry>> getPlaylistObserver() {
+        return new Subscriber<List<PlaylistStreamEntry>>() {
+            @Override
+            public void onSubscribe(Subscription s) {
+                showLoading();
+                isLoadingComplete.set(false);
+
+                if (databaseSubscription != null) databaseSubscription.cancel();
+                databaseSubscription = s;
+                databaseSubscription.request(1);
+            }
+
+            @Override
+            public void onNext(List<PlaylistStreamEntry> streams) {
+                // Skip handling the result after it has been modified
+                if (isModified == null || !isModified.get()) {
+                    handleResult(streams);
+                    isLoadingComplete.set(true);
+                }
+
+                if (databaseSubscription != null) databaseSubscription.request(1);
+            }
+
+            @Override
+            public void onError(Throwable exception) {
+                LocalPlaylistFragment.this.onError(exception);
+            }
+
+            @Override
+            public void onComplete() {}
+        };
+    }
+
+    @Override
+    public void handleResult(@NonNull List<PlaylistStreamEntry> result) {
+        super.handleResult(result);
+        if (itemListAdapter == null) return;
+
+        itemListAdapter.clearStreamItemList();
+
+        if (result.isEmpty()) {
+            showEmptyState();
+            return;
+        }
+
+        itemListAdapter.addItems(result);
+        if (itemsListState != null) {
+            itemsList.getLayoutManager().onRestoreInstanceState(itemsListState);
+            itemsListState = null;
+        }
+        setVideoCount(itemListAdapter.getItemsList().size());
+
+        headerPlayAllButton.setOnClickListener(view ->
+                NavigationHelper.playOnMainPlayer(activity, getPlayQueue()));
+        headerPopupButton.setOnClickListener(view ->
+                NavigationHelper.playOnPopupPlayer(activity, getPlayQueue()));
+        headerBackgroundButton.setOnClickListener(view ->
+                NavigationHelper.playOnBackgroundPlayer(activity, getPlayQueue()));
+
+        hideLoading();
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment Error Handling
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    protected void resetFragment() {
+        super.resetFragment();
+        if (databaseSubscription != null) databaseSubscription.cancel();
+    }
+
+    @Override
+    protected boolean onError(Throwable exception) {
+        if (super.onError(exception)) return true;
+
+        onUnrecoverableError(exception, UserAction.SOMETHING_ELSE,
+                "none", "Local Playlist", R.string.general_error);
+        return true;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Playlist Metadata/Streams Manipulation
+    //////////////////////////////////////////////////////////////////////////*/
+
+    private void createRenameDialog() {
+        if (playlistId == null || name == null || getContext() == null) return;
+
+        final View dialogView = View.inflate(getContext(), R.layout.dialog_playlist_name, null);
+        EditText nameEdit = dialogView.findViewById(R.id.playlist_name);
+        nameEdit.setText(name);
+        nameEdit.setSelection(nameEdit.getText().length());
+
+        final AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getContext())
+                .setTitle(R.string.rename_playlist)
+                .setView(dialogView)
+                .setCancelable(true)
+                .setNegativeButton(R.string.cancel, null)
+                .setPositiveButton(R.string.rename, (dialogInterface, i) -> {
+                    changePlaylistName(nameEdit.getText().toString());
+                });
+
+        dialogBuilder.show();
+    }
+
+    private void changePlaylistName(final String name) {
+        if (playlistManager == null) return;
+
+        this.name = name;
+        setTitle(name);
+
+        Log.d(TAG, "Updating playlist id=[" + playlistId +
+                "] with new name=[" + name + "] items");
+
+        final Disposable disposable = playlistManager.renamePlaylist(playlistId, name)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(longs -> {/*Do nothing on success*/}, this::onError);
+        disposables.add(disposable);
+    }
+
+    private void changeThumbnailUrl(final String thumbnailUrl) {
+        if (playlistManager == null) return;
+
+        final Toast successToast = Toast.makeText(getActivity(),
+                R.string.playlist_thumbnail_change_success,
+                Toast.LENGTH_SHORT);
+
+        Log.d(TAG, "Updating playlist id=[" + playlistId +
+                "] with new thumbnail url=[" + thumbnailUrl + "]");
+
+        final Disposable disposable = playlistManager
+                .changePlaylistThumbnail(playlistId, thumbnailUrl)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(ignore -> successToast.show(), this::onError);
+        disposables.add(disposable);
+    }
+
+    private void deleteItem(final PlaylistStreamEntry item) {
+        if (itemListAdapter == null) return;
+
+        itemListAdapter.removeItem(item);
+        setVideoCount(itemListAdapter.getItemsList().size());
+        saveChanges();
+    }
+
+    private void saveChanges() {
+        if (isModified == null || debouncedSaveSignal == null) return;
+
+        isModified.set(true);
+        debouncedSaveSignal.onNext(System.currentTimeMillis());
+    }
+
+    private Disposable getDebouncedSaver() {
+        if (debouncedSaveSignal == null) return Disposables.empty();
+
+        return debouncedSaveSignal
+                .debounce(SAVE_DEBOUNCE_MILLIS, TimeUnit.MILLISECONDS)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(ignored -> saveImmediate(), this::onError);
+    }
+
+    private void saveImmediate() {
+        if (playlistManager == null || itemListAdapter == null) return;
+
+        // List must be loaded and modified in order to save
+        if (isLoadingComplete == null || isModified == null ||
+                !isLoadingComplete.get() || !isModified.get()) {
+            Log.w(TAG, "Attempting to save playlist when local playlist " +
+                    "is not loaded or not modified: playlist id=[" + playlistId + "]");
+            return;
+        }
+
+        final List<LocalItem> items = itemListAdapter.getItemsList();
+        List<Long> streamIds = new ArrayList<>(items.size());
+        for (final LocalItem item : items) {
+            if (item instanceof PlaylistStreamEntry) {
+                streamIds.add(((PlaylistStreamEntry) item).streamId);
+            }
+        }
+
+        Log.d(TAG, "Updating playlist id=[" + playlistId +
+                "] with [" + streamIds.size() + "] items");
+
+        final Disposable disposable = playlistManager.updateJoin(playlistId, streamIds)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(
+                        () -> { if (isModified != null) isModified.set(false); },
+                        this::onError
+                );
+        disposables.add(disposable);
+    }
+
+
+    private ItemTouchHelper.SimpleCallback getItemTouchCallback() {
+        return new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN,
+                ItemTouchHelper.ACTION_STATE_IDLE) {
+            @Override
+            public int interpolateOutOfBoundsScroll(RecyclerView recyclerView, int viewSize,
+                                                    int viewSizeOutOfBounds, int totalSize,
+                                                    long msSinceStartScroll) {
+                final int standardSpeed = super.interpolateOutOfBoundsScroll(recyclerView, viewSize,
+                        viewSizeOutOfBounds, totalSize, msSinceStartScroll);
+                final int minimumAbsVelocity = Math.max(MINIMUM_INITIAL_DRAG_VELOCITY,
+                        Math.abs(standardSpeed));
+                return minimumAbsVelocity * (int) Math.signum(viewSizeOutOfBounds);
+            }
+
+            @Override
+            public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder source,
+                                  RecyclerView.ViewHolder target) {
+                if (source.getItemViewType() != target.getItemViewType() ||
+                        itemListAdapter == null) {
+                    return false;
+                }
+
+                final int sourceIndex = source.getAdapterPosition();
+                final int targetIndex = target.getAdapterPosition();
+                final boolean isSwapped = itemListAdapter.swapItems(sourceIndex, targetIndex);
+                if (isSwapped) saveChanges();
+                return isSwapped;
+            }
+
+            @Override
+            public boolean isLongPressDragEnabled() {
+                return false;
+            }
+
+            @Override
+            public boolean isItemViewSwipeEnabled() {
+                return false;
+            }
+
+            @Override
+            public void onSwiped(RecyclerView.ViewHolder viewHolder, int swipeDir) {}
+        };
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Utils
+    //////////////////////////////////////////////////////////////////////////*/
+
+    protected void showStreamDialog(final PlaylistStreamEntry item) {
+        final Context context = getContext();
+        final Activity activity = getActivity();
+        if (context == null || context.getResources() == null || getActivity() == null) return;
+
+        final StreamInfoItem infoItem = item.toStreamInfoItem();
+
+        final String[] commands = new String[]{
+                context.getResources().getString(R.string.enqueue_on_background),
+                context.getResources().getString(R.string.enqueue_on_popup),
+                context.getResources().getString(R.string.start_here_on_main),
+                context.getResources().getString(R.string.start_here_on_background),
+                context.getResources().getString(R.string.start_here_on_popup),
+                context.getResources().getString(R.string.set_as_playlist_thumbnail),
+                context.getResources().getString(R.string.delete)
+        };
+
+        final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
+            final int index = Math.max(itemListAdapter.getItemsList().indexOf(item), 0);
+            switch (i) {
+                case 0:
+                    NavigationHelper.enqueueOnBackgroundPlayer(context,
+                            new SinglePlayQueue(infoItem));
+                    break;
+                case 1:
+                    NavigationHelper.enqueueOnPopupPlayer(activity, new
+                            SinglePlayQueue(infoItem));
+                    break;
+                case 2:
+                    NavigationHelper.playOnMainPlayer(context, getPlayQueue(index));
+                    break;
+                case 3:
+                    NavigationHelper.playOnBackgroundPlayer(context, getPlayQueue(index));
+                    break;
+                case 4:
+                    NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
+                    break;
+                case 5:
+                    changeThumbnailUrl(item.thumbnailUrl);
+                    break;
+                case 6:
+                    deleteItem(item);
+                    break;
+                default:
+                    break;
+            }
+        };
+
+        new InfoItemDialog(getActivity(), infoItem, commands, actions).show();
+    }
+
+    private void setInitialData(long playlistId, String name) {
+        this.playlistId = playlistId;
+        this.name = !TextUtils.isEmpty(name) ? name : "";
+    }
+
+    private void setVideoCount(final long count) {
+        if (activity != null && headerStreamCount != null) {
+            headerStreamCount.setText(Localization.localizeStreamCount(activity, count));
+        }
+    }
+
+    private PlayQueue getPlayQueue() {
+        return getPlayQueue(0);
+    }
+
+    private PlayQueue getPlayQueue(final int index) {
+        if (itemListAdapter == null) {
+            return new SinglePlayQueue(Collections.emptyList(), 0);
+        }
+
+        final List<LocalItem> infoItems = itemListAdapter.getItemsList();
+        List<StreamInfoItem> streamInfoItems = new ArrayList<>(infoItems.size());
+        for (final LocalItem item : infoItems) {
+            if (item instanceof PlaylistStreamEntry) {
+                streamInfoItems.add(((PlaylistStreamEntry) item).toStreamInfoItem());
+            }
+        }
+        return new SinglePlayQueue(streamInfoItems, index);
+    }
+}
+

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/MostPlayedFragment.java

@@ -0,0 +1,22 @@
+package org.schabi.newpipe.fragments.local.bookmark;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
+
+import java.util.Collections;
+import java.util.List;
+
+public final class MostPlayedFragment extends StatisticsPlaylistFragment {
+    @Override
+    protected String getName() {
+        return getString(R.string.title_most_played);
+    }
+
+    @Override
+    protected List<StreamStatisticsEntry> processResult(List<StreamStatisticsEntry> results)  {
+        Collections.sort(results, (left, right) ->
+                ((Long) right.watchCount).compareTo(left.watchCount));
+        return results;
+    }
+
+}

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/StatisticsPlaylistFragment.java

@@ -0,0 +1,300 @@
+package org.schabi.newpipe.fragments.local.bookmark;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.reactivestreams.Subscriber;
+import org.reactivestreams.Subscription;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
+import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.history.HistoryRecordManager;
+import org.schabi.newpipe.info_list.InfoItemDialog;
+import org.schabi.newpipe.playlist.PlayQueue;
+import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.report.UserAction;
+import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.OnClickGesture;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import icepick.State;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+
+public abstract class StatisticsPlaylistFragment
+        extends BaseLocalListFragment<List<StreamStatisticsEntry>, Void> {
+
+    private View headerPlayAllButton;
+    private View headerPopupButton;
+    private View headerBackgroundButton;
+
+    @State
+    protected Parcelable itemsListState;
+
+    /* Used for independent events */
+    private Subscription databaseSubscription;
+    private HistoryRecordManager recordManager;
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Abstracts
+    ///////////////////////////////////////////////////////////////////////////
+
+    protected abstract String getName();
+
+    protected abstract List<StreamStatisticsEntry> processResult(final List<StreamStatisticsEntry> results);
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Creation
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        recordManager = new HistoryRecordManager(getContext());
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             @Nullable ViewGroup container,
+                             @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_playlist, container, false);
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Views
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    protected void initViews(View rootView, Bundle savedInstanceState) {
+        super.initViews(rootView, savedInstanceState);
+        setTitle(getName());
+    }
+
+    @Override
+    protected View getListHeader() {
+        final View headerRootLayout = activity.getLayoutInflater().inflate(R.layout.playlist_control,
+                itemsList, false);
+        headerPlayAllButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_all_button);
+        headerPopupButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_popup_button);
+        headerBackgroundButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_bg_button);
+        return headerRootLayout;
+    }
+
+    @Override
+    protected void initListeners() {
+        super.initListeners();
+
+        itemListAdapter.setSelectedListener(new OnClickGesture<LocalItem>() {
+            @Override
+            public void selected(LocalItem selectedItem) {
+                if (selectedItem instanceof StreamStatisticsEntry) {
+                    final StreamStatisticsEntry item = (StreamStatisticsEntry) selectedItem;
+                    NavigationHelper.openVideoDetailFragment(getFragmentManager(),
+                            item.serviceId, item.url, item.title);
+                }
+            }
+
+            @Override
+            public void held(LocalItem selectedItem) {
+                if (selectedItem instanceof StreamStatisticsEntry) {
+                    showStreamDialog((StreamStatisticsEntry) selectedItem);
+                }
+            }
+        });
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Loading
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void startLoading(boolean forceLoad) {
+        super.startLoading(forceLoad);
+        recordManager.getStreamStatistics()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(getHistoryObserver());
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment LifeCycle - Destruction
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        itemsListState = itemsList.getLayoutManager().onSaveInstanceState();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+
+        if (itemListAdapter != null) itemListAdapter.unsetSelectedListener();
+        if (headerBackgroundButton != null) headerBackgroundButton.setOnClickListener(null);
+        if (headerPlayAllButton != null) headerPlayAllButton.setOnClickListener(null);
+        if (headerPopupButton != null) headerPopupButton.setOnClickListener(null);
+
+        if (databaseSubscription != null) databaseSubscription.cancel();
+        databaseSubscription = null;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        recordManager = null;
+        itemsListState = null;
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Statistics Loader
+    ///////////////////////////////////////////////////////////////////////////
+
+    private Subscriber<List<StreamStatisticsEntry>> getHistoryObserver() {
+        return new Subscriber<List<StreamStatisticsEntry>>() {
+            @Override
+            public void onSubscribe(Subscription s) {
+                showLoading();
+
+                if (databaseSubscription != null) databaseSubscription.cancel();
+                databaseSubscription = s;
+                databaseSubscription.request(1);
+            }
+
+            @Override
+            public void onNext(List<StreamStatisticsEntry> streams) {
+                handleResult(streams);
+                if (databaseSubscription != null) databaseSubscription.request(1);
+            }
+
+            @Override
+            public void onError(Throwable exception) {
+                StatisticsPlaylistFragment.this.onError(exception);
+            }
+
+            @Override
+            public void onComplete() {
+            }
+        };
+    }
+
+    @Override
+    public void handleResult(@NonNull List<StreamStatisticsEntry> result) {
+        super.handleResult(result);
+        if (itemListAdapter == null) return;
+
+        itemListAdapter.clearStreamItemList();
+
+        if (result.isEmpty()) {
+            showEmptyState();
+            return;
+        }
+
+        itemListAdapter.addItems(processResult(result));
+        if (itemsListState != null) {
+            itemsList.getLayoutManager().onRestoreInstanceState(itemsListState);
+            itemsListState = null;
+        }
+
+        headerPlayAllButton.setOnClickListener(view ->
+                NavigationHelper.playOnMainPlayer(activity, getPlayQueue()));
+        headerPopupButton.setOnClickListener(view ->
+                NavigationHelper.playOnPopupPlayer(activity, getPlayQueue()));
+        headerBackgroundButton.setOnClickListener(view ->
+                NavigationHelper.playOnBackgroundPlayer(activity, getPlayQueue()));
+
+        hideLoading();
+    }
+    ///////////////////////////////////////////////////////////////////////////
+    // Fragment Error Handling
+    ///////////////////////////////////////////////////////////////////////////
+
+    @Override
+    protected void resetFragment() {
+        super.resetFragment();
+        if (databaseSubscription != null) databaseSubscription.cancel();
+    }
+
+    @Override
+    protected boolean onError(Throwable exception) {
+        if (super.onError(exception)) return true;
+
+        onUnrecoverableError(exception, UserAction.SOMETHING_ELSE,
+                "none", "History Statistics", R.string.general_error);
+        return true;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Utils
+    //////////////////////////////////////////////////////////////////////////*/
+
+    private void showStreamDialog(final StreamStatisticsEntry item) {
+        final Context context = getContext();
+        final Activity activity = getActivity();
+        if (context == null || context.getResources() == null || getActivity() == null) return;
+        final StreamInfoItem infoItem = item.toStreamInfoItem();
+
+        final String[] commands = new String[]{
+                context.getResources().getString(R.string.enqueue_on_background),
+                context.getResources().getString(R.string.enqueue_on_popup),
+                context.getResources().getString(R.string.start_here_on_main),
+                context.getResources().getString(R.string.start_here_on_background),
+                context.getResources().getString(R.string.start_here_on_popup),
+        };
+
+        final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
+            final int index = Math.max(itemListAdapter.getItemsList().indexOf(item), 0);
+            switch (i) {
+                case 0:
+                    NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(infoItem));
+                    break;
+                case 1:
+                    NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(infoItem));
+                    break;
+                case 2:
+                    NavigationHelper.playOnMainPlayer(context, getPlayQueue(index));
+                    break;
+                case 3:
+                    NavigationHelper.playOnBackgroundPlayer(context, getPlayQueue(index));
+                    break;
+                case 4:
+                    NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
+                    break;
+                default:
+                    break;
+            }
+        };
+
+        new InfoItemDialog(getActivity(), infoItem, commands, actions).show();
+    }
+
+    private PlayQueue getPlayQueue() {
+        return getPlayQueue(0);
+    }
+
+    private PlayQueue getPlayQueue(final int index) {
+        if (itemListAdapter == null) {
+            return new SinglePlayQueue(Collections.emptyList(), 0);
+        }
+
+        final List<LocalItem> infoItems = itemListAdapter.getItemsList();
+        List<StreamInfoItem> streamInfoItems = new ArrayList<>(infoItems.size());
+        for (final LocalItem item : infoItems) {
+            if (item instanceof StreamStatisticsEntry) {
+                streamInfoItems.add(((StreamStatisticsEntry) item).toStreamInfoItem());
+            }
+        }
+        return new SinglePlayQueue(streamInfoItems, index);
+    }
+}
+

app/src/main/java/org/schabi/newpipe/fragments/local/dialog/PlaylistAppendDialog.java

@@ -0,0 +1,163 @@
+package org.schabi.newpipe.fragments.local.dialog;
+
+import android.annotation.SuppressLint;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import org.schabi.newpipe.NewPipeDatabase;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.extractor.stream.StreamInfo;
+import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.fragments.local.LocalItemListAdapter;
+import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
+import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.util.OnClickGesture;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import javax.annotation.Nonnull;
+
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+
+public final class PlaylistAppendDialog extends PlaylistDialog {
+    private static final String TAG = PlaylistAppendDialog.class.getCanonicalName();
+
+    private RecyclerView playlistRecyclerView;
+    private LocalItemListAdapter playlistAdapter;
+
+    private Disposable playlistReactor;
+
+    public static PlaylistAppendDialog fromStreamInfo(final StreamInfo info) {
+        PlaylistAppendDialog dialog = new PlaylistAppendDialog();
+        dialog.setInfo(Collections.singletonList(new StreamEntity(info)));
+        return dialog;
+    }
+
+    public static PlaylistAppendDialog fromStreamInfoItems(final List<StreamInfoItem> items) {
+        PlaylistAppendDialog dialog = new PlaylistAppendDialog();
+        List<StreamEntity> entities = new ArrayList<>(items.size());
+        for (final StreamInfoItem item : items) {
+            entities.add(new StreamEntity(item));
+        }
+        dialog.setInfo(entities);
+        return dialog;
+    }
+
+    public static PlaylistAppendDialog fromPlayQueueItems(final List<PlayQueueItem> items) {
+        PlaylistAppendDialog dialog = new PlaylistAppendDialog();
+        List<StreamEntity> entities = new ArrayList<>(items.size());
+        for (final PlayQueueItem item : items) {
+            entities.add(new StreamEntity(item));
+        }
+        dialog.setInfo(entities);
+        return dialog;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // LifeCycle - Creation
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.dialog_playlists, container);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        final LocalPlaylistManager playlistManager =
+                new LocalPlaylistManager(NewPipeDatabase.getInstance(getContext()));
+
+        playlistAdapter = new LocalItemListAdapter(getActivity());
+        playlistAdapter.setSelectedListener(new OnClickGesture<LocalItem>() {
+            @Override
+            public void selected(LocalItem selectedItem) {
+                if (!(selectedItem instanceof PlaylistMetadataEntry) || getStreams() == null)
+                    return;
+                onPlaylistSelected(playlistManager, (PlaylistMetadataEntry) selectedItem,
+                        getStreams());
+            }
+        });
+
+        playlistRecyclerView = view.findViewById(R.id.playlist_list);
+        playlistRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        playlistRecyclerView.setAdapter(playlistAdapter);
+
+        final View newPlaylistButton = view.findViewById(R.id.newPlaylist);
+        newPlaylistButton.setOnClickListener(ignored -> openCreatePlaylistDialog());
+
+        playlistReactor = playlistManager.getPlaylists()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(this::onPlaylistsReceived);
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // LifeCycle - Destruction
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        if (playlistReactor != null) playlistReactor.dispose();
+        if (playlistAdapter != null) playlistAdapter.unsetSelectedListener();
+
+        playlistReactor = null;
+        playlistRecyclerView = null;
+        playlistAdapter = null;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Helper
+    //////////////////////////////////////////////////////////////////////////*/
+
+    public void openCreatePlaylistDialog() {
+        if (getStreams() == null || getFragmentManager() == null) return;
+
+        PlaylistCreationDialog.newInstance(getStreams()).show(getFragmentManager(), TAG);
+        getDialog().dismiss();
+    }
+
+    private void onPlaylistsReceived(@NonNull final List<PlaylistMetadataEntry> playlists) {
+        if (playlists.isEmpty()) {
+            openCreatePlaylistDialog();
+            return;
+        }
+
+        if (playlistAdapter != null && playlistRecyclerView != null) {
+            playlistAdapter.clearStreamItemList();
+            playlistAdapter.addItems(playlists);
+            playlistRecyclerView.setVisibility(View.VISIBLE);
+        }
+    }
+
+    private void onPlaylistSelected(@NonNull LocalPlaylistManager manager,
+                                    @NonNull PlaylistMetadataEntry playlist,
+                                    @Nonnull List<StreamEntity> streams) {
+        if (getStreams() == null) return;
+
+        @SuppressLint("ShowToast")
+        final Toast successToast = Toast.makeText(getContext(),
+                R.string.playlist_add_stream_success, Toast.LENGTH_SHORT);
+
+        manager.appendToPlaylist(playlist.uid, streams)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(ignored -> successToast.show());
+
+        getDialog().dismiss();
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/dialog/PlaylistCreationDialog.java

@@ -0,0 +1,62 @@
+package org.schabi.newpipe.fragments.local.dialog;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import org.schabi.newpipe.NewPipeDatabase;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
+
+import java.util.List;
+
+import io.reactivex.android.schedulers.AndroidSchedulers;
+
+public final class PlaylistCreationDialog extends PlaylistDialog {
+    private static final String TAG = PlaylistCreationDialog.class.getCanonicalName();
+
+    public static PlaylistCreationDialog newInstance(final List<StreamEntity> streams) {
+        PlaylistCreationDialog dialog = new PlaylistCreationDialog();
+        dialog.setInfo(streams);
+        return dialog;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Dialog
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
+        if (getStreams() == null) return super.onCreateDialog(savedInstanceState);
+
+        View dialogView = View.inflate(getContext(), R.layout.dialog_playlist_name, null);
+        EditText nameInput = dialogView.findViewById(R.id.playlist_name);
+
+        final AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getContext())
+                .setTitle(R.string.create_playlist)
+                .setView(dialogView)
+                .setCancelable(true)
+                .setNegativeButton(R.string.cancel, null)
+                .setPositiveButton(R.string.create, (dialogInterface, i) -> {
+                    final String name = nameInput.getText().toString();
+                    final LocalPlaylistManager playlistManager =
+                            new LocalPlaylistManager(NewPipeDatabase.getInstance(getContext()));
+                    final Toast successToast = Toast.makeText(getActivity(),
+                            R.string.playlist_creation_success,
+                            Toast.LENGTH_SHORT);
+
+                    playlistManager.createPlaylist(name, getStreams())
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .subscribe(longs -> successToast.show());
+                });
+
+        return dialogBuilder.create();
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/dialog/PlaylistDialog.java

@@ -0,0 +1,73 @@
+package org.schabi.newpipe.fragments.local.dialog;
+
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v4.app.DialogFragment;
+
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.util.StateSaver;
+
+import java.util.List;
+import java.util.Queue;
+
+public abstract class PlaylistDialog extends DialogFragment implements StateSaver.WriteRead {
+
+    private List<StreamEntity> streamEntities;
+
+    private StateSaver.SavedState savedState;
+
+    protected void setInfo(final List<StreamEntity> entities) {
+        this.streamEntities = entities;
+    }
+
+    protected List<StreamEntity> getStreams() {
+        return streamEntities;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // LifeCycle
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        savedState = StateSaver.tryToRestore(savedInstanceState, this);
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        StateSaver.onDestroy(savedState);
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // State Saving
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @Override
+    public String generateSuffix() {
+        final int size = streamEntities == null ? 0 : streamEntities.size();
+        return "." + size + ".list";
+    }
+
+    @Override
+    public void writeTo(Queue<Object> objectsToSave) {
+        objectsToSave.add(streamEntities);
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public void readFrom(@NonNull Queue<Object> savedObjects) throws Exception {
+        streamEntities = (List<StreamEntity>) savedObjects.poll();
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        if (getActivity() != null) {
+            savedState = StateSaver.tryToSave(getActivity().isChangingConfigurations(),
+                    savedState, outState, this);
+        }
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/holder/LocalItemHolder.java

@@ -0,0 +1,63 @@
+package org.schabi.newpipe.fragments.local.holder;
+
+import android.graphics.Bitmap;
+import android.support.annotation.DimenRes;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+import com.nostra13.universalimageloader.core.process.BitmapProcessor;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+
+import java.text.DateFormat;
+
+/*
+ * Created by Christian Schabesberger on 12.02.17.
+ *
+ * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
+ * InfoItemHolder.java is part of NewPipe.
+ *
+ * NewPipe is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * NewPipe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public abstract class LocalItemHolder extends RecyclerView.ViewHolder {
+    protected final LocalItemBuilder itemBuilder;
+
+    public LocalItemHolder(LocalItemBuilder itemBuilder, int layoutId, ViewGroup parent) {
+        super(LayoutInflater.from(itemBuilder.getContext())
+                .inflate(layoutId, parent, false));
+        this.itemBuilder = itemBuilder;
+    }
+
+    public abstract void updateFromItem(final LocalItem item, final DateFormat dateFormat);
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // ImageLoaderOptions
+    //////////////////////////////////////////////////////////////////////////*/
+
+    /**
+     * Base display options
+     */
+    public static final DisplayImageOptions BASE_DISPLAY_IMAGE_OPTIONS =
+            new DisplayImageOptions.Builder()
+                    .cacheInMemory(true)
+                    .cacheOnDisk(true)
+                    .bitmapConfig(Bitmap.Config.RGB_565)
+                    .resetViewBeforeLoading(false)
+                    .build();
+}

app/src/main/java/org/schabi/newpipe/fragments/local/holder/LocalPlaylistItemHolder.java

@@ -0,0 +1,36 @@
+package org.schabi.newpipe.fragments.local.holder;
+
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
+import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+
+import java.text.DateFormat;
+
+public class LocalPlaylistItemHolder extends PlaylistItemHolder {
+
+    public LocalPlaylistItemHolder(LocalItemBuilder infoItemBuilder, ViewGroup parent) {
+        super(infoItemBuilder, parent);
+    }
+
+    @Override
+    public void updateFromItem(final LocalItem localItem, final DateFormat dateFormat) {
+        if (!(localItem instanceof PlaylistMetadataEntry)) return;
+        final PlaylistMetadataEntry item = (PlaylistMetadataEntry) localItem;
+
+        itemTitleView.setText(item.name);
+        itemStreamCountView.setText(String.valueOf(item.streamCount));
+        itemUploaderView.setVisibility(View.INVISIBLE);
+
+        itemBuilder.displayImage(item.thumbnailUrl, itemThumbnailView, DISPLAY_THUMBNAIL_OPTIONS);
+
+        super.updateFromItem(localItem, dateFormat);
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/local/holder/LocalPlaylistStreamItemHolder.java

@@ -0,0 +1,106 @@
+package org.schabi.newpipe.fragments.local.holder;
+
+import android.graphics.Bitmap;
+import android.support.v4.content.ContextCompat;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+import com.nostra13.universalimageloader.core.assist.ImageScaleType;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.util.Localization;
+
+import java.text.DateFormat;
+
+public class LocalPlaylistStreamItemHolder extends LocalItemHolder {
+
+    public final ImageView itemThumbnailView;
+    public final TextView itemVideoTitleView;
+    public final TextView itemAdditionalDetailsView;
+    public final TextView itemDurationView;
+    public final View itemHandleView;
+
+    LocalPlaylistStreamItemHolder(LocalItemBuilder infoItemBuilder, int layoutId, ViewGroup parent) {
+        super(infoItemBuilder, layoutId, parent);
+
+        itemThumbnailView = itemView.findViewById(R.id.itemThumbnailView);
+        itemVideoTitleView = itemView.findViewById(R.id.itemVideoTitleView);
+        itemAdditionalDetailsView = itemView.findViewById(R.id.itemAdditionalDetails);
+        itemDurationView = itemView.findViewById(R.id.itemDurationView);
+        itemHandleView = itemView.findViewById(R.id.itemHandle);
+    }
+
+    public LocalPlaylistStreamItemHolder(LocalItemBuilder infoItemBuilder, ViewGroup parent) {
+        this(infoItemBuilder, R.layout.list_stream_playlist_item, parent);
+    }
+
+    @Override
+    public void updateFromItem(final LocalItem localItem, final DateFormat dateFormat) {
+        if (!(localItem instanceof PlaylistStreamEntry)) return;
+        final PlaylistStreamEntry item = (PlaylistStreamEntry) localItem;
+
+        itemVideoTitleView.setText(item.title);
+        itemAdditionalDetailsView.setText(Localization.concatenateStrings(item.uploader,
+                NewPipe.getNameOfService(item.serviceId)));
+
+        if (item.duration > 0) {
+            itemDurationView.setText(Localization.getDurationString(item.duration));
+            itemDurationView.setBackgroundColor(ContextCompat.getColor(itemBuilder.getContext(),
+                    R.color.duration_background_color));
+            itemDurationView.setVisibility(View.VISIBLE);
+        } else {
+            itemDurationView.setVisibility(View.GONE);
+        }
+
+        // Default thumbnail is shown on error, while loading and if the url is empty
+        itemBuilder.displayImage(item.thumbnailUrl, itemThumbnailView, DISPLAY_THUMBNAIL_OPTIONS);
+
+        itemView.setOnClickListener(view -> {
+            if (itemBuilder.getOnItemSelectedListener() != null) {
+                itemBuilder.getOnItemSelectedListener().selected(item);
+            }
+        });
+
+        itemView.setLongClickable(true);
+        itemView.setOnLongClickListener(view -> {
+            if (itemBuilder.getOnItemSelectedListener() != null) {
+                itemBuilder.getOnItemSelectedListener().held(item);
+            }
+            return true;
+        });
+
+        itemThumbnailView.setOnTouchListener(getOnTouchListener(item));
+        itemHandleView.setOnTouchListener(getOnTouchListener(item));
+    }
+
+    private View.OnTouchListener getOnTouchListener(final PlaylistStreamEntry item) {
+        return (view, motionEvent) -> {
+            view.performClick();
+            if (itemBuilder != null && itemBuilder.getOnItemSelectedListener() != null &&
+                    motionEvent.getActionMasked() == MotionEvent.ACTION_DOWN) {
+                itemBuilder.getOnItemSelectedListener().drag(item,
+                        LocalPlaylistStreamItemHolder.this);
+            }
+            return false;
+        };
+    }
+
+    /**
+     * Display options for stream thumbnails
+     */
+    private static final DisplayImageOptions DISPLAY_THUMBNAIL_OPTIONS =
+            new DisplayImageOptions.Builder()
+                    .cloneFrom(BASE_DISPLAY_IMAGE_OPTIONS)
+                    .showImageOnFail(R.drawable.dummy_thumbnail)
+                    .showImageForEmptyUri(R.drawable.dummy_thumbnail)
+                    .showImageOnLoading(R.drawable.dummy_thumbnail)
+                    .build();
+}

app/src/main/java/org/schabi/newpipe/fragments/local/holder/LocalStatisticStreamItemHolder.java

@@ -0,0 +1,114 @@
+package org.schabi.newpipe.fragments.local.holder;
+
+import android.support.v4.content.ContextCompat;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.util.Localization;
+
+import java.text.DateFormat;
+
+/*
+ * Created by Christian Schabesberger on 01.08.16.
+ * <p>
+ * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
+ * StreamInfoItemHolder.java is part of NewPipe.
+ * <p>
+ * NewPipe is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * NewPipe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public class LocalStatisticStreamItemHolder extends LocalItemHolder {
+
+    public final ImageView itemThumbnailView;
+    public final TextView itemVideoTitleView;
+    public final TextView itemUploaderView;
+    public final TextView itemDurationView;
+    public final TextView itemAdditionalDetails;
+
+    public LocalStatisticStreamItemHolder(LocalItemBuilder infoItemBuilder, ViewGroup parent) {
+        super(infoItemBuilder, R.layout.list_stream_item, parent);
+
+        itemThumbnailView = itemView.findViewById(R.id.itemThumbnailView);
+        itemVideoTitleView = itemView.findViewById(R.id.itemVideoTitleView);
+        itemUploaderView = itemView.findViewById(R.id.itemUploaderView);
+        itemDurationView = itemView.findViewById(R.id.itemDurationView);
+        itemAdditionalDetails = itemView.findViewById(R.id.itemAdditionalDetails);
+    }
+
+    private String getStreamInfoDetailLine(final StreamStatisticsEntry entry,
+                                           final DateFormat dateFormat) {
+        final String watchCount = Localization.shortViewCount(itemBuilder.getContext(),
+                entry.watchCount);
+        final String uploadDate = dateFormat.format(entry.latestAccessDate);
+        final String serviceName = NewPipe.getNameOfService(entry.serviceId);
+        return Localization.concatenateStrings(watchCount, uploadDate, serviceName);
+    }
+
+    @Override
+    public void updateFromItem(final LocalItem localItem, final DateFormat dateFormat) {
+        if (!(localItem instanceof StreamStatisticsEntry)) return;
+        final StreamStatisticsEntry item = (StreamStatisticsEntry) localItem;
+
+        itemVideoTitleView.setText(item.title);
+        itemUploaderView.setText(item.uploader);
+
+        if (item.duration > 0) {
+            itemDurationView.setText(Localization.getDurationString(item.duration));
+            itemDurationView.setBackgroundColor(ContextCompat.getColor(itemBuilder.getContext(),
+                    R.color.duration_background_color));
+            itemDurationView.setVisibility(View.VISIBLE);
+        } else {
+            itemDurationView.setVisibility(View.GONE);
+        }
+
+        itemAdditionalDetails.setText(getStreamInfoDetailLine(item, dateFormat));
+
+        // Default thumbnail is shown on error, while loading and if the url is empty
+        itemBuilder.displayImage(item.thumbnailUrl, itemThumbnailView, DISPLAY_THUMBNAIL_OPTIONS);
+
+        itemView.setOnClickListener(view -> {
+            if (itemBuilder.getOnItemSelectedListener() != null) {
+                itemBuilder.getOnItemSelectedListener().selected(item);
+            }
+        });
+
+        itemView.setLongClickable(true);
+        itemView.setOnLongClickListener(view -> {
+            if (itemBuilder.getOnItemSelectedListener() != null) {
+                itemBuilder.getOnItemSelectedListener().held(item);
+            }
+            return true;
+        });
+    }
+
+    /**
+     * Display options for stream thumbnails
+     */
+    public static final DisplayImageOptions DISPLAY_THUMBNAIL_OPTIONS =
+            new DisplayImageOptions.Builder()
+                    .cloneFrom(BASE_DISPLAY_IMAGE_OPTIONS)
+                    .showImageOnFail(R.drawable.dummy_thumbnail)
+                    .showImageForEmptyUri(R.drawable.dummy_thumbnail)
+                    .showImageOnLoading(R.drawable.dummy_thumbnail)
+                    .build();
+}

app/src/main/java/org/schabi/newpipe/fragments/local/holder/PlaylistItemHolder.java

@@ -0,0 +1,62 @@
+package org.schabi.newpipe.fragments.local.holder;
+
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+
+import java.text.DateFormat;
+
+public abstract class PlaylistItemHolder extends LocalItemHolder {
+    public final ImageView itemThumbnailView;
+    public final TextView itemStreamCountView;
+    public final TextView itemTitleView;
+    public final TextView itemUploaderView;
+
+    public PlaylistItemHolder(LocalItemBuilder infoItemBuilder,
+                              int layoutId, ViewGroup parent) {
+        super(infoItemBuilder, layoutId, parent);
+
+        itemThumbnailView = itemView.findViewById(R.id.itemThumbnailView);
+        itemTitleView = itemView.findViewById(R.id.itemTitleView);
+        itemStreamCountView = itemView.findViewById(R.id.itemStreamCountView);
+        itemUploaderView = itemView.findViewById(R.id.itemUploaderView);
+    }
+
+    public PlaylistItemHolder(LocalItemBuilder infoItemBuilder, ViewGroup parent) {
+        this(infoItemBuilder, R.layout.list_playlist_mini_item, parent);
+    }
+
+    @Override
+    public void updateFromItem(final LocalItem localItem, final DateFormat dateFormat) {
+        itemView.setOnClickListener(view -> {
+            if (itemBuilder.getOnItemSelectedListener() != null) {
+                itemBuilder.getOnItemSelectedListener().selected(localItem);
+            }
+        });
+
+        itemView.setLongClickable(true);
+        itemView.setOnLongClickListener(view -> {
+            if (itemBuilder.getOnItemSelectedListener() != null) {
+                itemBuilder.getOnItemSelectedListener().held(localItem);
+            }
+            return true;
+        });
+    }
+
+    /**
+     * Display options for playlist thumbnails
+     */
+    public static final DisplayImageOptions DISPLAY_THUMBNAIL_OPTIONS =
+            new DisplayImageOptions.Builder()
+                    .cloneFrom(BASE_DISPLAY_IMAGE_OPTIONS)
+                    .showImageOnLoading(R.drawable.dummy_thumbnail_playlist)
+                    .showImageForEmptyUri(R.drawable.dummy_thumbnail_playlist)
+                    .showImageOnFail(R.drawable.dummy_thumbnail_playlist)
+                    .build();
+}

app/src/main/java/org/schabi/newpipe/fragments/local/holder/RemotePlaylistItemHolder.java

@@ -0,0 +1,33 @@
+package org.schabi.newpipe.fragments.local.holder;
+
+import android.view.ViewGroup;
+
+import org.schabi.newpipe.database.LocalItem;
+import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.util.Localization;
+
+import java.text.DateFormat;
+
+public class RemotePlaylistItemHolder extends PlaylistItemHolder {
+    public RemotePlaylistItemHolder(LocalItemBuilder infoItemBuilder, ViewGroup parent) {
+        super(infoItemBuilder, parent);
+    }
+
+    @Override
+    public void updateFromItem(final LocalItem localItem, final DateFormat dateFormat) {
+        if (!(localItem instanceof PlaylistRemoteEntity)) return;
+        final PlaylistRemoteEntity item = (PlaylistRemoteEntity) localItem;
+
+        itemTitleView.setText(item.getName());
+        itemStreamCountView.setText(String.valueOf(item.getStreamCount()));
+        itemUploaderView.setText(Localization.concatenateStrings(item.getUploader(),
+                NewPipe.getNameOfService(item.getServiceId())));
+
+        itemBuilder.displayImage(item.getThumbnailUrl(), itemThumbnailView,
+                DISPLAY_THUMBNAIL_OPTIONS);
+
+        super.updateFromItem(localItem, dateFormat);
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/subscription/SubscriptionFragment.java

@@ -16,10 +16,10 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity;
 import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
 import org.schabi.newpipe.fragments.BaseStateFragment;
-import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.info_list.InfoListAdapter;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.OnClickGesture;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -125,24 +125,17 @@ public class SubscriptionFragment extends BaseStateFragment<List<SubscriptionEnt
     protected void initListeners() {
         super.initListeners();
 
-        infoListAdapter.setOnChannelSelectedListener(new InfoItemBuilder.OnInfoItemSelectedListener<ChannelInfoItem>() {
+        infoListAdapter.setOnChannelSelectedListener(new OnClickGesture<ChannelInfoItem>() {
             @Override
             public void selected(ChannelInfoItem selectedItem) {
                 // Requires the parent fragment to find holder for fragment replacement
-                NavigationHelper.openChannelFragment(getParentFragment().getFragmentManager(), selectedItem.getServiceId(), selectedItem.url, selectedItem.getName());
+                NavigationHelper.openChannelFragment(getParentFragment().getFragmentManager(),
-
+                        selectedItem.getServiceId(), selectedItem.url, selectedItem.getName());
-            }
-
-            @Override
-            public void held(ChannelInfoItem selectedItem) {}
-        });
-
-        headerRootLayout.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                NavigationHelper.openWhatsNewFragment(getParentFragment().getFragmentManager());
             }
         });
+
+        headerRootLayout.setOnClickListener(view ->
+                NavigationHelper.openWhatsNewFragment(getParentFragment().getFragmentManager()));
     }
 
     private void resetFragment() {

app/src/main/java/org/schabi/newpipe/history/HistoryActivity.java

@@ -11,7 +11,6 @@ import android.support.v4.app.FragmentStatePagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
-import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 
@@ -22,7 +21,6 @@ import org.schabi.newpipe.settings.SettingsActivity;
 import org.schabi.newpipe.util.ThemeHelper;
 
 import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.functions.Consumer;
 
 public class HistoryActivity extends AppCompatActivity {
 
@@ -50,8 +48,10 @@ public class HistoryActivity extends AppCompatActivity {
 
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        if (getSupportActionBar() != null) {
-        getSupportActionBar().setTitle(R.string.title_activity_history);
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setTitle(R.string.title_activity_history);
+        }
         // Create the adapter that will return a fragment for each of the three
         // primary sections of the activity.
         mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
@@ -66,17 +66,11 @@ public class HistoryActivity extends AppCompatActivity {
         final FloatingActionButton fab = findViewById(R.id.fab);
         RxView.clicks(fab)
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(new Consumer<Object>() {
+                .subscribe(ignored -> {
-                    @Override
+                    int currentItem = mViewPager.getCurrentItem();
-                    public void accept(Object o) {
+                    HistoryFragment fragment = (HistoryFragment) mSectionsPagerAdapter
-                        int currentItem = mViewPager.getCurrentItem();
+                            .instantiateItem(mViewPager, currentItem);
-                        HistoryFragment fragment = (HistoryFragment) mSectionsPagerAdapter.instantiateItem(mViewPager, currentItem);
+                    fragment.onHistoryCleared();
-                        if(fragment != null) {
-                            fragment.onHistoryCleared();
-                        } else {
-                            Log.w(TAG, "Couldn't find current fragment");
-                        }
-                    }
                 });
     }
 
@@ -119,7 +113,7 @@ public class HistoryActivity extends AppCompatActivity {
                     fragment = SearchHistoryFragment.newInstance();
                     break;
                 case 1:
-                    fragment = WatchedHistoryFragment.newInstance();
+                    fragment = WatchHistoryFragment.newInstance();
                     break;
                 default:
                     throw new IllegalArgumentException("position: " + position);

app/src/main/java/org/schabi/newpipe/history/HistoryEntryAdapter.java

@@ -1,12 +1,12 @@
 package org.schabi.newpipe.history;
 
 import android.content.Context;
+import android.content.res.Resources;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.widget.RecyclerView;
-import android.view.View;
 
-import org.schabi.newpipe.database.history.model.HistoryEntry;
+import org.schabi.newpipe.util.Localization;
 
 import java.text.DateFormat;
 import java.util.ArrayList;
@@ -19,19 +19,20 @@ import java.util.Date;
  * @param <E> the type of the entries
  * @param <VH> the type of the view holder
  */
-public abstract class HistoryEntryAdapter<E extends HistoryEntry, VH extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<VH> {
+public abstract class HistoryEntryAdapter<E, VH extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<VH> {
 
     private final ArrayList<E> mEntries;
     private final DateFormat mDateFormat;
+    private final Context mContext;
     private OnHistoryItemClickListener<E> onHistoryItemClickListener = null;
 
 
     public HistoryEntryAdapter(Context context) {
         super();
+        mContext = context;
         mEntries = new ArrayList<>();
-        mDateFormat = android.text.format.DateFormat.getDateFormat(context.getApplicationContext());
+        mDateFormat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM,
-
+                Localization.getPreferredLocale(context));
-        setHasStableIds(true);
     }
 
     public void setEntries(@NonNull Collection<E> historyEntries) {
@@ -53,9 +54,8 @@ public abstract class HistoryEntryAdapter<E extends HistoryEntry, VH extends Rec
         return mDateFormat.format(date);
     }
 
-    @Override
+    protected String getFormattedViewString(final long viewCount) {
-    public long getItemId(int position) {
+        return Localization.shortViewCount(mContext, viewCount);
-        return mEntries.get(position).getId();
     }
 
     @Override
@@ -66,15 +66,20 @@ public abstract class HistoryEntryAdapter<E extends HistoryEntry, VH extends Rec
     @Override
     public void onBindViewHolder(VH holder, int position) {
         final E entry = mEntries.get(position);
-        holder.itemView.setOnClickListener(new View.OnClickListener() {
+        holder.itemView.setOnClickListener(v -> {
-            @Override
+            if(onHistoryItemClickListener != null) {
-            public void onClick(View v) {
+                onHistoryItemClickListener.onHistoryItemClick(entry);
-                final OnHistoryItemClickListener<E> historyItemClickListener = onHistoryItemClickListener;
-                if(historyItemClickListener != null) {
-                    historyItemClickListener.onHistoryItemClick(entry);
-                }
             }
         });
+
+        holder.itemView.setOnLongClickListener(view -> {
+            if (onHistoryItemClickListener != null) {
+                onHistoryItemClickListener.onHistoryItemLongClick(entry);
+                return true;
+            }
+            return false;
+        });
+
         onBindViewHolder(holder, entry, position);
     }
 
@@ -94,13 +99,8 @@ public abstract class HistoryEntryAdapter<E extends HistoryEntry, VH extends Rec
         return mEntries.isEmpty();
     }
 
-    public E removeItemAt(int position) {
+    public interface OnHistoryItemClickListener<E> {
-        E entry = mEntries.remove(position);
+        void onHistoryItemClick(E item);
-        notifyItemRemoved(position);
+        void onHistoryItemLongClick(E item);
-        return entry;
-    }
-
-    public interface OnHistoryItemClickListener<E extends HistoryEntry> {
-        void onHistoryItemClick(E historyItem);
     }
 }

app/src/main/java/org/schabi/newpipe/history/HistoryFragment.java

@@ -2,7 +2,6 @@ package org.schabi.newpipe.history;
 
 
 import android.content.SharedPreferences;
-import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.preference.PreferenceManager;
@@ -12,34 +11,33 @@ import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
 import android.support.design.widget.Snackbar;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import org.reactivestreams.Subscriber;
+import org.reactivestreams.Subscription;
 import org.schabi.newpipe.BaseFragment;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.history.dao.HistoryDAO;
-import org.schabi.newpipe.database.history.model.HistoryEntry;
 
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 
 import icepick.State;
-import io.reactivex.Observer;
+import io.reactivex.Flowable;
+import io.reactivex.Single;
 import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
-import io.reactivex.functions.Consumer;
-import io.reactivex.schedulers.Schedulers;
-import io.reactivex.subjects.PublishSubject;
 
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
 
-public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragment
+public abstract class HistoryFragment<E> extends BaseFragment
         implements HistoryEntryAdapter.OnHistoryItemClickListener<E> {
 
     private SharedPreferences mSharedPreferences;
@@ -54,12 +52,11 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
     Parcelable mRecyclerViewState;
     private RecyclerView mRecyclerView;
     private HistoryEntryAdapter<E, ? extends RecyclerView.ViewHolder> mHistoryAdapter;
-    private ItemTouchHelper.SimpleCallback mHistoryItemSwipeCallback;
-    // private int allowedSwipeToDeleteDirections = ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
 
-    private HistoryDAO<E> mHistoryDataSource;
+    private Subscription historySubscription;
-    private PublishSubject<Collection<E>> mHistoryEntryDeleteSubject;
+
-    private PublishSubject<Collection<E>> mHistoryEntryInsertSubject;
+    protected HistoryRecordManager historyRecordManager;
+    protected CompositeDisposable disposables;
 
     @StringRes
     abstract int getEnabledConfigKey();
@@ -77,88 +74,47 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
         // Register history enabled listener
         mSharedPreferences.registerOnSharedPreferenceChangeListener(mHistoryIsEnabledChangeListener);
 
-        mHistoryDataSource = createHistoryDAO();
+        historyRecordManager = new HistoryRecordManager(getContext());
-
+        disposables = new CompositeDisposable();
-        mHistoryEntryDeleteSubject = PublishSubject.create();
-        mHistoryEntryDeleteSubject
-                .observeOn(Schedulers.io())
-                .subscribe(new Consumer<Collection<E>>() {
-                    @Override
-                    public void accept(Collection<E> historyEntries) throws Exception {
-                        mHistoryDataSource.delete(historyEntries);
-                    }
-                });
-
-        mHistoryEntryInsertSubject = PublishSubject.create();
-        mHistoryEntryInsertSubject
-                .observeOn(Schedulers.io())
-                .subscribe(new Consumer<Collection<E>>() {
-                    @Override
-                    public void accept(Collection<E> historyEntries) throws Exception {
-                        mHistoryDataSource.insertAll(historyEntries);
-                    }
-                });
-
-
-    }
-
-    protected void historyItemSwipeCallback(int swipeDirection) {
-        mHistoryItemSwipeCallback = new ItemTouchHelper.SimpleCallback(0, swipeDirection) {
-            @Override
-            public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
-                return false;
-            }
-
-            @Override
-            public void onSwiped(RecyclerView.ViewHolder viewHolder, int swipeDir) {
-                if (mHistoryAdapter != null) {
-                    final E historyEntry = mHistoryAdapter.removeItemAt(viewHolder.getAdapterPosition());
-                    mHistoryEntryDeleteSubject.onNext(Collections.singletonList(historyEntry));
-
-                    View view = getActivity().findViewById(R.id.main_content);
-                    if (view == null) view = mRecyclerView.getRootView();
-
-                    Snackbar.make(view, R.string.item_deleted, 5 * 1000)
-                            .setActionTextColor(Color.WHITE)
-                            .setAction(R.string.undo, new View.OnClickListener() {
-                                @Override
-                                public void onClick(View v) {
-                                    mHistoryEntryInsertSubject.onNext(Collections.singletonList(historyEntry));
-                                }
-                            }).show();
-                }
-            }
-        };
     }
 
     @NonNull
     protected abstract HistoryEntryAdapter<E, ? extends RecyclerView.ViewHolder> createAdapter();
 
+    protected abstract Single<List<Long>> insert(final Collection<E> entries);
+
+    protected abstract Single<Integer> delete(final Collection<E> entries);
+
+    @NonNull
+    protected abstract Flowable<List<E>> getAll();
+
     @Override
     public void onResume() {
         super.onResume();
-        mHistoryDataSource.getAll()
+
-                .toObservable()
+        getAll().observeOn(AndroidSchedulers.mainThread()).subscribe(getHistorySubscriber());
-                .observeOn(AndroidSchedulers.mainThread())
+
-                .subscribe(getHistoryListConsumer());
+        final boolean newEnabled = isHistoryEnabled();
-        boolean newEnabled = isHistoryEnabled();
         if (newEnabled != mHistoryIsEnabled) {
             onHistoryIsEnabledChanged(newEnabled);
         }
     }
 
     @NonNull
-    private Observer<List<E>> getHistoryListConsumer() {
+    private Subscriber<List<E>> getHistorySubscriber() {
-        return new Observer<List<E>>() {
+        return new Subscriber<List<E>>() {
             @Override
-            public void onSubscribe(@NonNull Disposable d) {
+            public void onSubscribe(Subscription s) {
+                if (historySubscription != null) historySubscription.cancel();
 
+                historySubscription = s;
+                historySubscription.request(1);
             }
 
             @Override
-            public void onNext(@NonNull List<E> historyEntries) {
+            public void onNext(List<E> entries) {
-                if (!historyEntries.isEmpty()) {
+                if (!entries.isEmpty()) {
-                    mHistoryAdapter.setEntries(historyEntries);
+                    mHistoryAdapter.setEntries(entries);
                     animateView(mEmptyHistoryView, false, 200);
 
                     if (mRecyclerViewState != null) {
@@ -169,11 +125,13 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
                     mHistoryAdapter.clear();
                     showEmptyHistory();
                 }
+
+                if (historySubscription != null) historySubscription.request(1);
             }
 
             @Override
-            public void onError(@NonNull Throwable e) {
+            public void onError(Throwable t) {
-                // TODO: error handling like in (see e.g. subscription fragment)
+
             }
 
             @Override
@@ -192,30 +150,48 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
      */
     @MainThread
     public void onHistoryCleared() {
-        final Parcelable stateBeforeClear = mRecyclerView.getLayoutManager().onSaveInstanceState();
+        if (getContext() == null) return;
-        final Collection<E> itemsToDelete = new ArrayList<>(mHistoryAdapter.getItems());
+
-        mHistoryEntryDeleteSubject.onNext(itemsToDelete);
+        new AlertDialog.Builder(getContext())
+                .setTitle(R.string.delete_all)
+                .setMessage(R.string.delete_all_history_prompt)
+                .setCancelable(true)
+                .setNegativeButton(R.string.cancel, null)
+                .setPositiveButton(R.string.delete_all, (dialog, i) -> clearHistory())
+                .show();
+    }
+
+    protected void makeSnackbar(@StringRes final int text) {
+        if (getActivity() == null) return;
 
         View view = getActivity().findViewById(R.id.main_content);
         if (view == null) view = mRecyclerView.getRootView();
+        Snackbar.make(view, text, Snackbar.LENGTH_LONG).show();
+    }
 
-        if (!itemsToDelete.isEmpty()) {
+    private void clearHistory() {
-            Snackbar.make(view, R.string.history_cleared, 5 * 1000)
+        final Collection<E> itemsToDelete = new ArrayList<>(mHistoryAdapter.getItems());
-                    .setActionTextColor(Color.WHITE)
-                    .setAction(R.string.undo, new View.OnClickListener() {
-                        @Override
-                        public void onClick(View v) {
-                            mRecyclerViewState = stateBeforeClear;
-                            mHistoryEntryInsertSubject.onNext(itemsToDelete);
-                        }
-                    }).show();
-        } else {
-            Snackbar.make(view, R.string.history_cleared, Snackbar.LENGTH_LONG).show();
-        }
 
+        final Disposable deletion = delete(itemsToDelete)
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(
+                        ignored -> Log.d(TAG, "Clear history deleted [" +
+                        itemsToDelete.size() + "] items."),
+                        error -> Log.e(TAG, "Clear history delete step failed", error)
+                );
+
+        final Disposable cleanUp = historyRecordManager.removeOrphanedRecords()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(
+                        ignored -> Log.d(TAG, "Clear history deleted orphaned stream records"),
+                        error -> Log.e(TAG, "Clear history remove orphaned records failed", error)
+                );
+
+        disposables.addAll(deletion, cleanUp);
+
+        makeSnackbar(R.string.history_cleared);
         mHistoryAdapter.clear();
         showEmptyHistory();
-
     }
 
     private void showEmptyHistory() {
@@ -227,18 +203,18 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
     @Nullable
     @CallSuper
     @Override
-    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View rootView = inflater.inflate(R.layout.fragment_history, container, false);
         mRecyclerView = rootView.findViewById(R.id.history_view);
 
-        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getContext(), LinearLayoutManager.VERTICAL, false);
+        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getContext(),
+                LinearLayoutManager.VERTICAL, false);
         mRecyclerView.setLayoutManager(layoutManager);
 
         mHistoryAdapter = createAdapter();
         mHistoryAdapter.setOnHistoryItemClickListener(this);
         mRecyclerView.setAdapter(mHistoryAdapter);
-        ItemTouchHelper itemTouchHelper = new ItemTouchHelper(mHistoryItemSwipeCallback);
-        itemTouchHelper.attachToRecyclerView(mRecyclerView);
         mDisabledView = rootView.findViewById(R.id.history_disabled_view);
         mEmptyHistoryView = rootView.findViewById(R.id.history_empty);
 
@@ -256,11 +232,16 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
     @Override
     public void onDestroy() {
         super.onDestroy();
+
+        if (disposables != null) disposables.dispose();
+        if (historySubscription != null) historySubscription.cancel();
+
         mSharedPreferences.unregisterOnSharedPreferenceChangeListener(mHistoryIsEnabledChangeListener);
         mSharedPreferences = null;
         mHistoryIsEnabledChangeListener = null;
         mHistoryIsEnabledKey = null;
-        mHistoryDataSource = null;
+        historySubscription = null;
+        disposables = null;
     }
 
     @Override
@@ -290,15 +271,8 @@ public abstract class HistoryFragment<E extends HistoryEntry> extends BaseFragme
         }
     }
 
-    /**
+    private class HistoryIsEnabledChangeListener
-     * Creates a new history DAO
+            implements SharedPreferences.OnSharedPreferenceChangeListener {
-     *
-     * @return the history DAO
-     */
-    @NonNull
-    protected abstract HistoryDAO<E> createHistoryDAO();
-
-    private class HistoryIsEnabledChangeListener implements SharedPreferences.OnSharedPreferenceChangeListener {
         @Override
         public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
             if (key.equals(mHistoryIsEnabledKey)) {

app/src/main/java/org/schabi/newpipe/history/HistoryRecordManager.java

@@ -0,0 +1,191 @@
+package org.schabi.newpipe.history;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.support.annotation.NonNull;
+
+import org.schabi.newpipe.NewPipeDatabase;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.AppDatabase;
+import org.schabi.newpipe.database.history.dao.SearchHistoryDAO;
+import org.schabi.newpipe.database.history.dao.StreamHistoryDAO;
+import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntity;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntry;
+import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
+import org.schabi.newpipe.database.stream.dao.StreamDAO;
+import org.schabi.newpipe.database.stream.dao.StreamStateDAO;
+import org.schabi.newpipe.database.stream.model.StreamEntity;
+import org.schabi.newpipe.database.stream.model.StreamStateEntity;
+import org.schabi.newpipe.extractor.stream.StreamInfo;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+
+import io.reactivex.Flowable;
+import io.reactivex.Maybe;
+import io.reactivex.Single;
+import io.reactivex.schedulers.Schedulers;
+
+public class HistoryRecordManager {
+
+    private final AppDatabase database;
+    private final StreamDAO streamTable;
+    private final StreamHistoryDAO streamHistoryTable;
+    private final SearchHistoryDAO searchHistoryTable;
+    private final StreamStateDAO streamStateTable;
+    private final SharedPreferences sharedPreferences;
+    private final String searchHistoryKey;
+    private final String streamHistoryKey;
+
+    public HistoryRecordManager(final Context context) {
+        database = NewPipeDatabase.getInstance(context);
+        streamTable = database.streamDAO();
+        streamHistoryTable = database.streamHistoryDAO();
+        searchHistoryTable = database.searchHistoryDAO();
+        streamStateTable = database.streamStateDAO();
+        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        searchHistoryKey = context.getString(R.string.enable_search_history_key);
+        streamHistoryKey = context.getString(R.string.enable_watch_history_key);
+    }
+
+    ///////////////////////////////////////////////////////
+    // Watch History
+    ///////////////////////////////////////////////////////
+
+    public Maybe<Long> onViewed(final StreamInfo info) {
+        if (!isStreamHistoryEnabled()) return Maybe.empty();
+
+        final Date currentTime = new Date();
+        return Maybe.fromCallable(() -> database.runInTransaction(() -> {
+            final long streamId = streamTable.upsert(new StreamEntity(info));
+            StreamHistoryEntity latestEntry = streamHistoryTable.getLatestEntry();
+
+            if (latestEntry != null && latestEntry.getStreamUid() == streamId) {
+                streamHistoryTable.delete(latestEntry);
+                latestEntry.setAccessDate(currentTime);
+                latestEntry.setRepeatCount(latestEntry.getRepeatCount() + 1);
+                return streamHistoryTable.insert(latestEntry);
+            } else {
+                return streamHistoryTable.insert(new StreamHistoryEntity(streamId, currentTime));
+            }
+        })).subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> deleteStreamHistory(final long streamId) {
+        return Single.fromCallable(() -> streamHistoryTable.deleteStreamHistory(streamId))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<StreamHistoryEntry>> getStreamHistory() {
+        return streamHistoryTable.getHistory().subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<StreamStatisticsEntry>> getStreamStatistics() {
+        return streamHistoryTable.getStatistics().subscribeOn(Schedulers.io());
+    }
+
+    public Single<List<Long>> insertStreamHistory(final Collection<StreamHistoryEntry> entries) {
+        List<StreamHistoryEntity> entities = new ArrayList<>(entries.size());
+        for (final StreamHistoryEntry entry : entries) {
+            entities.add(entry.toStreamHistoryEntity());
+        }
+        return Single.fromCallable(() -> streamHistoryTable.insertAll(entities))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> deleteStreamHistory(final Collection<StreamHistoryEntry> entries) {
+        List<StreamHistoryEntity> entities = new ArrayList<>(entries.size());
+        for (final StreamHistoryEntry entry : entries) {
+            entities.add(entry.toStreamHistoryEntity());
+        }
+        return Single.fromCallable(() -> streamHistoryTable.delete(entities))
+                .subscribeOn(Schedulers.io());
+    }
+
+    private boolean isStreamHistoryEnabled() {
+        return sharedPreferences.getBoolean(streamHistoryKey, false);
+    }
+
+    ///////////////////////////////////////////////////////
+    // Search History
+    ///////////////////////////////////////////////////////
+
+    public Single<List<Long>> insertSearches(final Collection<SearchHistoryEntry> entries) {
+        return Single.fromCallable(() -> searchHistoryTable.insertAll(entries))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> deleteSearches(final Collection<SearchHistoryEntry> entries) {
+        return Single.fromCallable(() -> searchHistoryTable.delete(entries))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<SearchHistoryEntry>> getSearchHistory() {
+        return searchHistoryTable.getAll();
+    }
+
+    public Maybe<Long> onSearched(final int serviceId, final String search) {
+        if (!isSearchHistoryEnabled()) return Maybe.empty();
+
+        final Date currentTime = new Date();
+        final SearchHistoryEntry newEntry = new SearchHistoryEntry(currentTime, serviceId, search);
+
+        return Maybe.fromCallable(() -> database.runInTransaction(() -> {
+            SearchHistoryEntry latestEntry = searchHistoryTable.getLatestEntry();
+            if (latestEntry != null && latestEntry.hasEqualValues(newEntry)) {
+                latestEntry.setCreationDate(currentTime);
+                return (long) searchHistoryTable.update(latestEntry);
+            } else {
+                return searchHistoryTable.insert(newEntry);
+            }
+        })).subscribeOn(Schedulers.io());
+    }
+
+    public Single<Integer> deleteSearchHistory(final String search) {
+        return Single.fromCallable(() -> searchHistoryTable.deleteAllWhereQuery(search))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Flowable<List<SearchHistoryEntry>> getRelatedSearches(final String query,
+                                                                 final int similarQueryLimit,
+                                                                 final int uniqueQueryLimit) {
+        return query.length() > 0
+                ? searchHistoryTable.getSimilarEntries(query, similarQueryLimit)
+                : searchHistoryTable.getUniqueEntries(uniqueQueryLimit);
+    }
+
+    private boolean isSearchHistoryEnabled() {
+        return sharedPreferences.getBoolean(searchHistoryKey, false);
+    }
+
+    ///////////////////////////////////////////////////////
+    // Stream State History
+    ///////////////////////////////////////////////////////
+
+    @SuppressWarnings("unused")
+    public Maybe<StreamStateEntity> loadStreamState(final StreamInfo info) {
+        return Maybe.fromCallable(() -> streamTable.upsert(new StreamEntity(info)))
+                .flatMap(streamId -> streamStateTable.getState(streamId).firstElement())
+                .flatMap(states -> states.isEmpty() ? Maybe.empty() : Maybe.just(states.get(0)))
+                .subscribeOn(Schedulers.io());
+    }
+
+    public Maybe<Long> saveStreamState(@NonNull final StreamInfo info, final long progressTime) {
+        return Maybe.fromCallable(() -> database.runInTransaction(() -> {
+            final long streamId = streamTable.upsert(new StreamEntity(info));
+            return streamStateTable.upsert(new StreamStateEntity(streamId, progressTime));
+        })).subscribeOn(Schedulers.io());
+    }
+
+    ///////////////////////////////////////////////////////
+    // Utility
+    ///////////////////////////////////////////////////////
+
+    public Single<Integer> removeOrphanedRecords() {
+        return Single.fromCallable(streamTable::deleteOrphans).subscribeOn(Schedulers.io());
+    }
+}

app/src/main/java/org/schabi/newpipe/history/SearchHistoryFragment.java

@@ -5,22 +5,30 @@ import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
-import org.schabi.newpipe.NewPipeDatabase;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.history.dao.HistoryDAO;
 import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
 
-public class SearchHistoryFragment extends HistoryFragment<SearchHistoryEntry> {
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 
-    private static int allowedSwipeToDeleteDirections = ItemTouchHelper.RIGHT;
+import io.reactivex.Flowable;
+import io.reactivex.Single;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+
+public class SearchHistoryFragment extends HistoryFragment<SearchHistoryEntry> {
 
     @NonNull
     public static SearchHistoryFragment newInstance() {
@@ -30,7 +38,6 @@ public class SearchHistoryFragment extends HistoryFragment<SearchHistoryEntry> {
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        historyItemSwipeCallback(allowedSwipeToDeleteDirections);
     }
 
     @NonNull
@@ -39,38 +46,82 @@ public class SearchHistoryFragment extends HistoryFragment<SearchHistoryEntry> {
         return new SearchHistoryAdapter(getContext());
     }
 
+    @Override
+    protected Single<List<Long>> insert(Collection<SearchHistoryEntry> entries) {
+        return historyRecordManager.insertSearches(entries);
+    }
+
+    @Override
+    protected Single<Integer> delete(Collection<SearchHistoryEntry> entries) {
+        return historyRecordManager.deleteSearches(entries);
+    }
+
+    @NonNull
+    @Override
+    protected Flowable<List<SearchHistoryEntry>> getAll() {
+        return historyRecordManager.getSearchHistory();
+    }
+
     @StringRes
     @Override
     int getEnabledConfigKey() {
         return R.string.enable_search_history_key;
     }
 
-    @NonNull
     @Override
-    protected HistoryDAO<SearchHistoryEntry> createHistoryDAO() {
+    public void onHistoryItemClick(final SearchHistoryEntry historyItem) {
-        return NewPipeDatabase.getInstance().searchHistoryDAO();
+        NavigationHelper.openSearch(getContext(), historyItem.getServiceId(),
+                historyItem.getSearch());
     }
 
     @Override
-    public void onHistoryItemClick(SearchHistoryEntry historyItem) {
+    public void onHistoryItemLongClick(final SearchHistoryEntry item) {
-        NavigationHelper.openSearch(getContext(), historyItem.getServiceId(), historyItem.getSearch());
+        if (activity == null) return;
+
+        new AlertDialog.Builder(activity)
+                .setTitle(item.getSearch())
+                .setMessage(R.string.delete_item_search_history)
+                .setCancelable(true)
+                .setNeutralButton(R.string.cancel, null)
+                .setPositiveButton(R.string.delete_one, (dialog, i) -> {
+                    final Disposable onDelete = historyRecordManager
+                            .deleteSearches(Collections.singleton(item))
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .subscribe(
+                                    ignored -> {/*successful*/},
+                                    error -> Log.e(TAG, "Search history Delete One failed:", error)
+                            );
+                    disposables.add(onDelete);
+                    makeSnackbar(R.string.item_deleted);
+                })
+                .setNegativeButton(R.string.delete_all, (dialog, i) -> {
+                    final Disposable onDeleteAll = historyRecordManager
+                            .deleteSearchHistory(item.getSearch())
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .subscribe(
+                                    ignored -> {/*successful*/},
+                                    error -> Log.e(TAG, "Search history Delete All failed:", error)
+                            );
+                    disposables.add(onDeleteAll);
+                    makeSnackbar(R.string.item_deleted);
+                })
+                .show();
     }
 
     private static class ViewHolder extends RecyclerView.ViewHolder {
         private final TextView search;
-        private final TextView time;
+        private final TextView info;
 
         public ViewHolder(View itemView) {
             super(itemView);
             search = itemView.findViewById(R.id.search);
-            time = itemView.findViewById(R.id.time);
+            info = itemView.findViewById(R.id.info);
         }
     }
 
     protected class SearchHistoryAdapter extends HistoryEntryAdapter<SearchHistoryEntry, ViewHolder> {
 
-
+        SearchHistoryAdapter(Context context) {
-        public SearchHistoryAdapter(Context context) {
             super(context);
         }
 
@@ -84,7 +135,11 @@ public class SearchHistoryFragment extends HistoryFragment<SearchHistoryEntry> {
         @Override
         void onBindViewHolder(ViewHolder holder, SearchHistoryEntry entry, int position) {
             holder.search.setText(entry.getSearch());
-            holder.time.setText(getFormattedDate(entry.getCreationDate()));
+
+            final String info = Localization.concatenateStrings(
+                    getFormattedDate(entry.getCreationDate()),
+                    NewPipe.getNameOfService(entry.getServiceId()));
+            holder.info.setText(info);
         }
     }
 }

app/src/main/java/org/schabi/newpipe/history/WatchHistoryFragment.java

@@ -0,0 +1,170 @@
+package org.schabi.newpipe.history;
+
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.StringRes;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.nostra13.universalimageloader.core.ImageLoader;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.database.history.model.StreamHistoryEntry;
+import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
+import org.schabi.newpipe.util.Localization;
+import org.schabi.newpipe.util.NavigationHelper;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import io.reactivex.Flowable;
+import io.reactivex.Single;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+
+
+public class WatchHistoryFragment extends HistoryFragment<StreamHistoryEntry> {
+
+    @NonNull
+    public static WatchHistoryFragment newInstance() {
+        return new WatchHistoryFragment();
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @StringRes
+    @Override
+    int getEnabledConfigKey() {
+        return R.string.enable_watch_history_key;
+    }
+
+    @NonNull
+    @Override
+    protected StreamHistoryAdapter createAdapter() {
+        return new StreamHistoryAdapter(getContext());
+    }
+
+    @Override
+    protected Single<List<Long>> insert(Collection<StreamHistoryEntry> entries) {
+        return historyRecordManager.insertStreamHistory(entries);
+    }
+
+    @Override
+    protected Single<Integer> delete(Collection<StreamHistoryEntry> entries) {
+        return historyRecordManager.deleteStreamHistory(entries);
+    }
+
+    @NonNull
+    @Override
+    protected Flowable<List<StreamHistoryEntry>> getAll() {
+        return historyRecordManager.getStreamHistory();
+    }
+
+    @Override
+    public void onHistoryItemClick(StreamHistoryEntry historyItem) {
+        NavigationHelper.openVideoDetail(getContext(), historyItem.serviceId, historyItem.url,
+                historyItem.title);
+    }
+
+    @Override
+    public void onHistoryItemLongClick(StreamHistoryEntry item) {
+        new AlertDialog.Builder(activity)
+                .setTitle(item.title)
+                .setMessage(R.string.delete_stream_history_prompt)
+                .setCancelable(true)
+                .setNeutralButton(R.string.cancel, null)
+                .setPositiveButton(R.string.delete_one, (dialog, i) -> {
+                    final Disposable onDelete = historyRecordManager
+                            .deleteStreamHistory(Collections.singleton(item))
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .subscribe(
+                                    ignored -> {/*successful*/},
+                                    error -> Log.e(TAG, "Watch history Delete One failed:", error)
+                            );
+                    disposables.add(onDelete);
+                    makeSnackbar(R.string.item_deleted);
+                })
+                .setNegativeButton(R.string.delete_all, (dialog, i) -> {
+                    final Disposable onDeleteAll = historyRecordManager
+                            .deleteStreamHistory(item.streamId)
+                            .observeOn(AndroidSchedulers.mainThread())
+                            .subscribe(
+                                    ignored -> {/*successful*/},
+                                    error -> Log.e(TAG, "Watch history Delete All failed:", error)
+                            );
+                    disposables.add(onDeleteAll);
+                    makeSnackbar(R.string.item_deleted);
+                })
+                .show();
+    }
+
+    private static class StreamHistoryAdapter extends HistoryEntryAdapter<StreamHistoryEntry, ViewHolder> {
+
+        StreamHistoryAdapter(Context context) {
+            super(context);
+        }
+
+        @Override
+        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            LayoutInflater inflater = LayoutInflater.from(parent.getContext());
+            View itemView = inflater.inflate(R.layout.list_stream_item, parent, false);
+            return new ViewHolder(itemView);
+        }
+
+        @Override
+        public void onViewRecycled(ViewHolder holder) {
+            holder.itemView.setOnClickListener(null);
+            ImageLoader.getInstance()
+                    .cancelDisplayTask(holder.thumbnailView);
+        }
+
+        @Override
+        void onBindViewHolder(ViewHolder holder, StreamHistoryEntry entry, int position) {
+            final String formattedDate = getFormattedDate(entry.accessDate);
+            final String info;
+            if (entry.repeatCount > 1) {
+                info = Localization.concatenateStrings(formattedDate,
+                        getFormattedViewString(entry.repeatCount));
+            } else {
+                info = formattedDate;
+            }
+
+            holder.info.setText(info);
+            holder.streamTitle.setText(entry.title);
+            holder.uploader.setText(entry.uploader);
+            holder.duration.setText(Localization.getDurationString(entry.duration));
+            ImageLoader.getInstance().displayImage(entry.thumbnailUrl, holder.thumbnailView,
+                    StreamInfoItemHolder.DISPLAY_THUMBNAIL_OPTIONS);
+        }
+    }
+
+    private static class ViewHolder extends RecyclerView.ViewHolder {
+        private final TextView info;
+        private final TextView streamTitle;
+        private final ImageView thumbnailView;
+        private final TextView uploader;
+        private final TextView duration;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+            thumbnailView = itemView.findViewById(R.id.itemThumbnailView);
+            info = itemView.findViewById(R.id.itemAdditionalDetails);
+            streamTitle = itemView.findViewById(R.id.itemVideoTitleView);
+            uploader = itemView.findViewById(R.id.itemUploaderView);
+            duration = itemView.findViewById(R.id.itemDurationView);
+        }
+    }
+}

app/src/main/java/org/schabi/newpipe/history/WatchedHistoryFragment.java

@@ -1,116 +0,0 @@
-package org.schabi.newpipe.history;
-
-
-import android.content.Context;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import com.nostra13.universalimageloader.core.ImageLoader;
-
-import org.schabi.newpipe.NewPipeDatabase;
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.history.dao.HistoryDAO;
-import org.schabi.newpipe.database.history.model.WatchHistoryEntry;
-import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
-import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.NavigationHelper;
-
-
-public class WatchedHistoryFragment extends HistoryFragment<WatchHistoryEntry> {
-
-    private static int allowedSwipeToDeleteDirections = ItemTouchHelper.LEFT;
-
-    @NonNull
-    public static WatchedHistoryFragment newInstance() {
-        return new WatchedHistoryFragment();
-    }
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        historyItemSwipeCallback(allowedSwipeToDeleteDirections);
-    }
-
-    @StringRes
-    @Override
-    int getEnabledConfigKey() {
-        return R.string.enable_watch_history_key;
-    }
-
-    @NonNull
-    @Override
-    protected WatchedHistoryAdapter createAdapter() {
-        return new WatchedHistoryAdapter(getContext());
-    }
-
-    @NonNull
-    @Override
-    protected HistoryDAO<WatchHistoryEntry> createHistoryDAO() {
-        return NewPipeDatabase.getInstance().watchHistoryDAO();
-    }
-
-    @Override
-    public void onHistoryItemClick(WatchHistoryEntry historyItem) {
-        NavigationHelper.openVideoDetail(getContext(),
-                historyItem.getServiceId(),
-                historyItem.getUrl(),
-                historyItem.getTitle());
-    }
-
-    private static class WatchedHistoryAdapter extends HistoryEntryAdapter<WatchHistoryEntry, ViewHolder> {
-
-        public WatchedHistoryAdapter(Context context) {
-            super(context);
-        }
-
-        @Override
-        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-            LayoutInflater inflater = LayoutInflater.from(parent.getContext());
-            View itemView = inflater.inflate(R.layout.list_stream_item, parent, false);
-            return new ViewHolder(itemView);
-        }
-
-        @Override
-        public void onViewRecycled(ViewHolder holder) {
-            holder.itemView.setOnClickListener(null);
-            ImageLoader.getInstance()
-                    .cancelDisplayTask(holder.thumbnailView);
-        }
-
-        @Override
-        void onBindViewHolder(ViewHolder holder, WatchHistoryEntry entry, int position) {
-            holder.date.setText(getFormattedDate(entry.getCreationDate()));
-            holder.streamTitle.setText(entry.getTitle());
-            holder.uploader.setText(entry.getUploader());
-            holder.duration.setText(Localization.getDurationString(entry.getDuration()));
-            ImageLoader.getInstance()
-                    .displayImage(entry.getThumbnailURL(), holder.thumbnailView, StreamInfoItemHolder.DISPLAY_THUMBNAIL_OPTIONS);
-        }
-    }
-
-    private static class ViewHolder extends RecyclerView.ViewHolder {
-        private final TextView date;
-        private final TextView streamTitle;
-        private final ImageView thumbnailView;
-        private final TextView uploader;
-        private final TextView duration;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            thumbnailView = itemView.findViewById(R.id.itemThumbnailView);
-            date = itemView.findViewById(R.id.itemAdditionalDetails);
-            streamTitle = itemView.findViewById(R.id.itemVideoTitleView);
-            uploader = itemView.findViewById(R.id.itemUploaderView);
-            duration = itemView.findViewById(R.id.itemDurationView);
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/info_list/InfoItemBuilder.java

@@ -16,8 +16,10 @@ import org.schabi.newpipe.info_list.holder.ChannelInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.ChannelMiniInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.InfoItemHolder;
 import org.schabi.newpipe.info_list.holder.PlaylistInfoItemHolder;
+import org.schabi.newpipe.info_list.holder.PlaylistMiniInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.StreamMiniInfoItemHolder;
+import org.schabi.newpipe.util.OnClickGesture;
 
 /*
  * Created by Christian Schabesberger on 26.09.16.
@@ -42,17 +44,12 @@ import org.schabi.newpipe.info_list.holder.StreamMiniInfoItemHolder;
 public class InfoItemBuilder {
     private static final String TAG = InfoItemBuilder.class.toString();
 
-    public interface OnInfoItemSelectedListener<T extends InfoItem> {
-        void selected(T selectedItem);
-        void held(T selectedItem);
-    }
-
     private final Context context;
     private ImageLoader imageLoader = ImageLoader.getInstance();
 
-    private OnInfoItemSelectedListener<StreamInfoItem> onStreamSelectedListener;
+    private OnClickGesture<StreamInfoItem> onStreamSelectedListener;
-    private OnInfoItemSelectedListener<ChannelInfoItem> onChannelSelectedListener;
+    private OnClickGesture<ChannelInfoItem> onChannelSelectedListener;
-    private OnInfoItemSelectedListener<PlaylistInfoItem> onPlaylistSelectedListener;
+    private OnClickGesture<PlaylistInfoItem> onPlaylistSelectedListener;
 
     public InfoItemBuilder(Context context) {
         this.context = context;
@@ -75,7 +72,7 @@ public class InfoItemBuilder {
             case CHANNEL:
                 return useMiniVariant ? new ChannelMiniInfoItemHolder(this, parent) : new ChannelInfoItemHolder(this, parent);
             case PLAYLIST:
-                return new PlaylistInfoItemHolder(this, parent);
+                return useMiniVariant ? new PlaylistMiniInfoItemHolder(this, parent) : new PlaylistInfoItemHolder(this, parent);
             default:
                 Log.e(TAG, "Trollolo");
                 throw new RuntimeException("InfoType not expected = " + infoType.name());
@@ -90,27 +87,27 @@ public class InfoItemBuilder {
         return imageLoader;
     }
 
-    public OnInfoItemSelectedListener<StreamInfoItem> getOnStreamSelectedListener() {
+    public OnClickGesture<StreamInfoItem> getOnStreamSelectedListener() {
         return onStreamSelectedListener;
     }
 
-    public void setOnStreamSelectedListener(OnInfoItemSelectedListener<StreamInfoItem> listener) {
+    public void setOnStreamSelectedListener(OnClickGesture<StreamInfoItem> listener) {
         this.onStreamSelectedListener = listener;
     }
 
-    public OnInfoItemSelectedListener<ChannelInfoItem> getOnChannelSelectedListener() {
+    public OnClickGesture<ChannelInfoItem> getOnChannelSelectedListener() {
         return onChannelSelectedListener;
     }
 
-    public void setOnChannelSelectedListener(OnInfoItemSelectedListener<ChannelInfoItem> listener) {
+    public void setOnChannelSelectedListener(OnClickGesture<ChannelInfoItem> listener) {
         this.onChannelSelectedListener = listener;
     }
 
-    public OnInfoItemSelectedListener<PlaylistInfoItem> getOnPlaylistSelectedListener() {
+    public OnClickGesture<PlaylistInfoItem> getOnPlaylistSelectedListener() {
         return onPlaylistSelectedListener;
     }
 
-    public void setOnPlaylistSelectedListener(OnInfoItemSelectedListener<PlaylistInfoItem> listener) {
+    public void setOnPlaylistSelectedListener(OnClickGesture<PlaylistInfoItem> listener) {
         this.onPlaylistSelectedListener = listener;
     }
 

app/src/main/java/org/schabi/newpipe/info_list/InfoItemDialog.java

@@ -19,7 +19,7 @@ public class InfoItemDialog {
                           @NonNull final StreamInfoItem info,
                           @NonNull final String[] commands,
                           @NonNull final DialogInterface.OnClickListener actions) {
-        this(activity, commands, actions, info.getName(), info.uploader_name);
+        this(activity, commands, actions, info.getName(), info.getUploaderName());
     }
 
     public InfoItemDialog(@NonNull final Activity activity,
@@ -28,8 +28,7 @@ public class InfoItemDialog {
                           @NonNull final String title,
                           @Nullable final String additionalDetail) {
 
-        final LayoutInflater inflater = activity.getLayoutInflater();
+        final View bannerView = View.inflate(activity, R.layout.dialog_title, null);
-        final View bannerView = inflater.inflate(R.layout.dialog_title, null);
         bannerView.setSelected(true);
 
         TextView titleView = bannerView.findViewById(R.id.itemTitleView);

app/src/main/java/org/schabi/newpipe/info_list/InfoListAdapter.java

@@ -10,13 +10,14 @@ import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
-import org.schabi.newpipe.info_list.InfoItemBuilder.OnInfoItemSelectedListener;
 import org.schabi.newpipe.info_list.holder.ChannelInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.ChannelMiniInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.InfoItemHolder;
 import org.schabi.newpipe.info_list.holder.PlaylistInfoItemHolder;
+import org.schabi.newpipe.info_list.holder.PlaylistMiniInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.StreamMiniInfoItemHolder;
+import org.schabi.newpipe.util.OnClickGesture;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -52,6 +53,7 @@ public class InfoListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
     private static final int STREAM_HOLDER_TYPE = 0x101;
     private static final int MINI_CHANNEL_HOLDER_TYPE = 0x200;
     private static final int CHANNEL_HOLDER_TYPE = 0x201;
+    private static final int MINI_PLAYLIST_HOLDER_TYPE = 0x300;
     private static final int PLAYLIST_HOLDER_TYPE = 0x301;
 
     private final InfoItemBuilder infoItemBuilder;
@@ -75,15 +77,15 @@ public class InfoListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
         infoItemList = new ArrayList<>();
     }
 
-    public void setOnStreamSelectedListener(OnInfoItemSelectedListener<StreamInfoItem> listener) {
+    public void setOnStreamSelectedListener(OnClickGesture<StreamInfoItem> listener) {
         infoItemBuilder.setOnStreamSelectedListener(listener);
     }
 
-    public void setOnChannelSelectedListener(OnInfoItemSelectedListener<ChannelInfoItem> listener) {
+    public void setOnChannelSelectedListener(OnClickGesture<ChannelInfoItem> listener) {
         infoItemBuilder.setOnChannelSelectedListener(listener);
     }
 
-    public void setOnPlaylistSelectedListener(OnInfoItemSelectedListener<PlaylistInfoItem> listener) {
+    public void setOnPlaylistSelectedListener(OnClickGesture<PlaylistInfoItem> listener) {
         infoItemBuilder.setOnPlaylistSelectedListener(listener);
     }
 
@@ -200,14 +202,14 @@ public class InfoListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
         if (footer != null && position == infoItemList.size() && showFooter) {
             return FOOTER_TYPE;
         }
-        InfoItem item = infoItemList.get(position);
+        final InfoItem item = infoItemList.get(position);
         switch (item.info_type) {
             case STREAM:
                 return useMiniVariant ? MINI_STREAM_HOLDER_TYPE : STREAM_HOLDER_TYPE;
             case CHANNEL:
                 return useMiniVariant ? MINI_CHANNEL_HOLDER_TYPE : CHANNEL_HOLDER_TYPE;
             case PLAYLIST:
-                return PLAYLIST_HOLDER_TYPE;
+                return useMiniVariant ? MINI_PLAYLIST_HOLDER_TYPE : PLAYLIST_HOLDER_TYPE;
             default:
                 Log.e(TAG, "Trollolo");
                 return -1;
@@ -230,6 +232,8 @@ public class InfoListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
                 return new ChannelMiniInfoItemHolder(infoItemBuilder, parent);
             case CHANNEL_HOLDER_TYPE:
                 return new ChannelInfoItemHolder(infoItemBuilder, parent);
+            case MINI_PLAYLIST_HOLDER_TYPE:
+                return new PlaylistMiniInfoItemHolder(infoItemBuilder, parent);
             case PLAYLIST_HOLDER_TYPE:
                 return new PlaylistInfoItemHolder(infoItemBuilder, parent);
             default:

app/src/main/java/org/schabi/newpipe/info_list/holder/PlaylistInfoItemHolder.java

@@ -1,62 +1,13 @@
 package org.schabi.newpipe.info_list.holder;
 
-import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import com.nostra13.universalimageloader.core.DisplayImageOptions;
 
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.InfoItem;
-import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
 import org.schabi.newpipe.info_list.InfoItemBuilder;
 
-public class PlaylistInfoItemHolder extends InfoItemHolder {
+public class PlaylistInfoItemHolder extends PlaylistMiniInfoItemHolder {
-    public final ImageView itemThumbnailView;
-    public final TextView itemStreamCountView;
-    public final TextView itemTitleView;
-    public final TextView itemUploaderView;
 
     public PlaylistInfoItemHolder(InfoItemBuilder infoItemBuilder, ViewGroup parent) {
         super(infoItemBuilder, R.layout.list_playlist_item, parent);
-
-        itemThumbnailView = itemView.findViewById(R.id.itemThumbnailView);
-        itemTitleView = itemView.findViewById(R.id.itemTitleView);
-        itemStreamCountView = itemView.findViewById(R.id.itemStreamCountView);
-        itemUploaderView = itemView.findViewById(R.id.itemUploaderView);
     }
-
-    @Override
-    public void updateFromItem(final InfoItem infoItem) {
-        if (!(infoItem instanceof PlaylistInfoItem)) return;
-        final PlaylistInfoItem item = (PlaylistInfoItem) infoItem;
-
-        itemTitleView.setText(item.getName());
-        itemStreamCountView.setText(item.stream_count + "");
-        itemUploaderView.setText(item.uploader_name);
-
-        itemBuilder.getImageLoader()
-                .displayImage(item.thumbnail_url, itemThumbnailView, DISPLAY_THUMBNAIL_OPTIONS);
-
-        itemView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                if (itemBuilder.getOnPlaylistSelectedListener() != null) {
-                    itemBuilder.getOnPlaylistSelectedListener().selected(item);
-                }
-            }
-        });
-    }
-
-    /**
-     * Display options for playlist thumbnails
-     */
-    public static final DisplayImageOptions DISPLAY_THUMBNAIL_OPTIONS =
-            new DisplayImageOptions.Builder()
-                    .cloneFrom(BASE_DISPLAY_IMAGE_OPTIONS)
-                    .showImageOnLoading(R.drawable.dummy_thumbnail_playlist)
-                    .showImageForEmptyUri(R.drawable.dummy_thumbnail_playlist)
-                    .showImageOnFail(R.drawable.dummy_thumbnail_playlist)
-                    .build();
 }

app/src/main/java/org/schabi/newpipe/info_list/holder/PlaylistMiniInfoItemHolder.java

@@ -0,0 +1,70 @@
+package org.schabi.newpipe.info_list.holder;
+
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.extractor.InfoItem;
+import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
+import org.schabi.newpipe.info_list.InfoItemBuilder;
+
+public class PlaylistMiniInfoItemHolder extends InfoItemHolder {
+    public final ImageView itemThumbnailView;
+    public final TextView itemStreamCountView;
+    public final TextView itemTitleView;
+    public final TextView itemUploaderView;
+
+    public PlaylistMiniInfoItemHolder(InfoItemBuilder infoItemBuilder, int layoutId, ViewGroup parent) {
+        super(infoItemBuilder, layoutId, parent);
+
+        itemThumbnailView = itemView.findViewById(R.id.itemThumbnailView);
+        itemTitleView = itemView.findViewById(R.id.itemTitleView);
+        itemStreamCountView = itemView.findViewById(R.id.itemStreamCountView);
+        itemUploaderView = itemView.findViewById(R.id.itemUploaderView);
+    }
+
+    public PlaylistMiniInfoItemHolder(InfoItemBuilder infoItemBuilder, ViewGroup parent) {
+        this(infoItemBuilder, R.layout.list_playlist_mini_item, parent);
+    }
+
+    @Override
+    public void updateFromItem(final InfoItem infoItem) {
+        if (!(infoItem instanceof PlaylistInfoItem)) return;
+        final PlaylistInfoItem item = (PlaylistInfoItem) infoItem;
+
+        itemTitleView.setText(item.getName());
+        itemStreamCountView.setText(String.valueOf(item.getStreamCount()));
+        itemUploaderView.setText(item.getUploaderName());
+
+        itemBuilder.getImageLoader()
+                .displayImage(item.thumbnail_url, itemThumbnailView, DISPLAY_THUMBNAIL_OPTIONS);
+
+        itemView.setOnClickListener(view -> {
+            if (itemBuilder.getOnPlaylistSelectedListener() != null) {
+                itemBuilder.getOnPlaylistSelectedListener().selected(item);
+            }
+        });
+
+        itemView.setLongClickable(true);
+        itemView.setOnLongClickListener(view -> {
+            if (itemBuilder.getOnPlaylistSelectedListener() != null) {
+                itemBuilder.getOnPlaylistSelectedListener().held(item);
+            }
+            return true;
+        });
+    }
+
+    /**
+     * Display options for playlist thumbnails
+     */
+    public static final DisplayImageOptions DISPLAY_THUMBNAIL_OPTIONS =
+            new DisplayImageOptions.Builder()
+                    .cloneFrom(BASE_DISPLAY_IMAGE_OPTIONS)
+                    .showImageOnLoading(R.drawable.dummy_thumbnail_playlist)
+                    .showImageForEmptyUri(R.drawable.dummy_thumbnail_playlist)
+                    .showImageOnFail(R.drawable.dummy_thumbnail_playlist)
+                    .build();
+}

app/src/main/java/org/schabi/newpipe/player/BasePlayer.java

@@ -63,6 +63,7 @@ import com.nostra13.universalimageloader.core.listener.SimpleImageLoadingListene
 
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
+import org.schabi.newpipe.history.HistoryRecordManager;
 import org.schabi.newpipe.player.helper.AudioReactor;
 import org.schabi.newpipe.player.helper.CacheFactory;
 import org.schabi.newpipe.player.helper.LoadController;
@@ -77,9 +78,8 @@ import java.util.concurrent.TimeUnit;
 
 import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
-import io.reactivex.functions.Consumer;
-import io.reactivex.functions.Predicate;
 
 import static org.schabi.newpipe.player.helper.PlayerHelper.getTimeString;
 
@@ -147,6 +147,9 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
     protected DefaultExtractorsFactory extractorsFactory;
 
     protected Disposable progressUpdateReactor;
+    protected CompositeDisposable databaseUpdateReactor;
+
+    protected HistoryRecordManager recordManager;
 
     //////////////////////////////////////////////////////////////////////////*/
 
@@ -172,6 +175,10 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
     public void initPlayer() {
         if (DEBUG) Log.d(TAG, "initPlayer() called with: context = [" + context + "]");
 
+        if (recordManager == null) recordManager = new HistoryRecordManager(context);
+        if (databaseUpdateReactor != null) databaseUpdateReactor.dispose();
+        databaseUpdateReactor = new CompositeDisposable();
+
         final DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
         final AdaptiveTrackSelection.Factory trackSelectionFactory = new AdaptiveTrackSelection.Factory(bandwidthMeter);
         final LoadControl loadControl = new LoadController(context);
@@ -193,18 +200,8 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
     private Disposable getProgressReactor() {
         return Observable.interval(PROGRESS_LOOP_INTERVAL, TimeUnit.MILLISECONDS)
                 .observeOn(AndroidSchedulers.mainThread())
-                .filter(new Predicate<Long>() {
+                .filter(ignored -> isProgressLoopRunning())
-                    @Override
+                .subscribe(ignored -> triggerProgressUpdate());
-                    public boolean test(Long aLong) throws Exception {
-                        return isProgressLoopRunning();
-                    }
-                })
-                .subscribe(new Consumer<Long>() {
-                    @Override
-                    public void accept(Long aLong) throws Exception {
-                        triggerProgressUpdate();
-                    }
-                });
     }
 
     public void handleIntent(Intent intent) {
@@ -281,6 +278,7 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
         if (playQueue != null) playQueue.dispose();
         if (playbackManager != null) playbackManager.dispose();
         if (audioReactor != null) audioReactor.abandonAudioFocus();
+        if (databaseUpdateReactor != null) databaseUpdateReactor.dispose();
     }
 
     public void destroy() {
@@ -291,6 +289,7 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
 
         trackSelector = null;
         simpleExoPlayer = null;
+        recordManager = null;
     }
 
     public MediaSource buildMediaSource(String url, String overrideExtension) {
@@ -582,6 +581,8 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
             errorToast = null;
         }
 
+        savePlaybackState();
+
         switch (error.type) {
             case ExoPlaybackException.TYPE_SOURCE:
                 if (simpleExoPlayer.getCurrentPosition() <
@@ -612,7 +613,8 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
         // If the user selects a new track, then the discontinuity occurs after the index is changed.
         // Therefore, the only source that causes a discrepancy would be gapless transition,
         // which can only offset the current track by +1.
-        if (newWindowIndex == playQueue.getIndex() + 1) {
+        if (newWindowIndex == playQueue.getIndex() + 1 ||
+                (newWindowIndex == 0 && playQueue.getIndex() == playQueue.size() - 1)) {
             playQueue.offsetIndex(+1);
         }
         playbackManager.load();
@@ -668,10 +670,17 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
                     "], queue index=[" + playQueue.getIndex() + "]");
         } else if (simpleExoPlayer.getCurrentWindowIndex() != currentSourceIndex || !isPlaying()) {
             final long startPos = info != null ? info.start_position : 0;
-            if (DEBUG) Log.d(TAG, "Rewinding to correct window: " + currentSourceIndex + " at: " + getTimeString((int)startPos));
+            if (DEBUG) Log.d(TAG, "Rewinding to correct window: " + currentSourceIndex +
+                    " at: " + getTimeString((int)startPos));
             simpleExoPlayer.seekTo(currentSourceIndex, startPos);
         }
 
+        // TODO: update exoplayer to 2.6.x in order to register view count on repeated streams
+        databaseUpdateReactor.add(recordManager.onViewed(currentInfo).onErrorComplete()
+                .subscribe(
+                        ignored -> {/* successful */},
+                        error -> Log.e(TAG, "Player onViewed() failure: ", error)
+                ));
         initThumbnail(info == null ? item.getThumbnailUrl() : info.thumbnail_url);
     }
 
@@ -755,6 +764,8 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
         if (simpleExoPlayer == null || playQueue == null) return;
         if (DEBUG) Log.d(TAG, "onPlayPrevious() called");
 
+        savePlaybackState();
+
         /* If current playback has run for PLAY_PREV_ACTIVATION_LIMIT milliseconds, restart current track.
         * Also restart the track if the current track is the first in a queue.*/
         if (simpleExoPlayer.getCurrentPosition() > PLAY_PREV_ACTIVATION_LIMIT || playQueue.getIndex() == 0) {
@@ -769,6 +780,8 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
         if (playQueue == null) return;
         if (DEBUG) Log.d(TAG, "onPlayNext() called");
 
+        savePlaybackState();
+
         playQueue.offsetIndex(+1);
     }
 
@@ -830,6 +843,27 @@ public abstract class BasePlayer implements Player.EventListener, PlaybackListen
         );
     }
 
+    protected void savePlaybackState(final StreamInfo info, final long progress) {
+        if (context == null || info == null || databaseUpdateReactor == null) return;
+        final Disposable stateSaver = recordManager.saveStreamState(info, progress)
+                .observeOn(AndroidSchedulers.mainThread())
+                .onErrorComplete()
+                .subscribe(
+                        ignored -> {/* successful */},
+                        error -> Log.e(TAG, "savePlaybackState() failure: ", error)
+                );
+        databaseUpdateReactor.add(stateSaver);
+    }
+
+    private void savePlaybackState() {
+        if (simpleExoPlayer == null || currentInfo == null) return;
+
+        if (simpleExoPlayer.getCurrentPosition() > RECOVERY_SKIP_THRESHOLD &&
+                simpleExoPlayer.getCurrentPosition() <
+                        simpleExoPlayer.getDuration() - RECOVERY_SKIP_THRESHOLD) {
+            savePlaybackState(currentInfo, simpleExoPlayer.getCurrentPosition());
+        }
+    }
     /*//////////////////////////////////////////////////////////////////////////
     // Getters and Setters
     //////////////////////////////////////////////////////////////////////////*/

app/src/main/java/org/schabi/newpipe/player/ServicePlayerActivity.java

@@ -29,6 +29,7 @@ import com.google.android.exoplayer2.Player;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.fragments.OnScrollBelowItemsListener;
+import org.schabi.newpipe.fragments.local.dialog.PlaylistAppendDialog;
 import org.schabi.newpipe.player.event.PlayerEventListener;
 import org.schabi.newpipe.playlist.PlayQueueItem;
 import org.schabi.newpipe.playlist.PlayQueueItemBuilder;
@@ -149,8 +150,8 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
             case android.R.id.home:
                 finish();
                 return true;
-            case R.id.action_history:
+            case R.id.action_append_playlist:
-                NavigationHelper.openHistory(this);
+                appendToPlaylist();
                 return true;
             case R.id.action_settings:
                 NavigationHelper.openSettings(this);
@@ -185,6 +186,14 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
                 null
         ).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     }
+
+    private void appendToPlaylist() {
+        if (this.player != null && this.player.getPlayQueue() != null) {
+            PlaylistAppendDialog.fromPlayQueueItems(this.player.getPlayQueue().getStreams())
+                    .show(getSupportFragmentManager(), getTag());
+        }
+    }
+
     ////////////////////////////////////////////////////////////////////////////
     // Service Connection
     ////////////////////////////////////////////////////////////////////////////

app/src/main/java/org/schabi/newpipe/playlist/PlayQueueItem.java

@@ -5,6 +5,7 @@ import android.support.annotation.Nullable;
 
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.extractor.stream.StreamType;
 import org.schabi.newpipe.util.ExtractorHelper;
 
 import java.io.Serializable;
@@ -23,6 +24,7 @@ public class PlayQueueItem implements Serializable {
     final private long duration;
     final private String thumbnailUrl;
     final private String uploader;
+    final private StreamType streamType;
 
     private long recoveryPosition;
     private Throwable error;
@@ -30,22 +32,26 @@ public class PlayQueueItem implements Serializable {
     private transient Single<StreamInfo> stream;
 
     PlayQueueItem(@NonNull final StreamInfo info) {
-        this(info.getName(), info.getUrl(), info.getServiceId(), info.duration, info.thumbnail_url, info.uploader_name);
+        this(info.getName(), info.getUrl(), info.getServiceId(), info.getDuration(),
+                info.getThumbnailUrl(), info.getUploaderName(), info.getStreamType());
         this.stream = Single.just(info);
     }
 
     PlayQueueItem(@NonNull final StreamInfoItem item) {
-        this(item.getName(), item.getUrl(), item.getServiceId(), item.duration, item.thumbnail_url, item.uploader_name);
+        this(item.getName(), item.getUrl(), item.getServiceId(), item.getDuration(),
+                item.getThumbnailUrl(), item.getUploaderName(), item.getStreamType());
     }
 
     private PlayQueueItem(final String name, final String url, final int serviceId,
-                          final long duration, final String thumbnailUrl, final String uploader) {
+                          final long duration, final String thumbnailUrl, final String uploader,
+                          final StreamType streamType) {
         this.title = name;
         this.url = url;
         this.serviceId = serviceId;
         this.duration = duration;
         this.thumbnailUrl = thumbnailUrl;
         this.uploader = uploader;
+        this.streamType = streamType;
 
         this.recoveryPosition = RECOVERY_UNSET;
     }
@@ -78,6 +84,10 @@ public class PlayQueueItem implements Serializable {
         return uploader;
     }
 
+    public StreamType getStreamType() {
+        return streamType;
+    }
+
     public long getRecoveryPosition() {
         return recoveryPosition;
     }

app/src/main/java/org/schabi/newpipe/playlist/SinglePlayQueue.java

@@ -3,19 +3,29 @@ package org.schabi.newpipe.playlist;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 
+import java.util.ArrayList;
 import java.util.Collections;
+import java.util.List;
 
 public final class SinglePlayQueue extends PlayQueue {
     public SinglePlayQueue(final StreamInfoItem item) {
-        this(new PlayQueueItem(item));
+        super(0, Collections.singletonList(new PlayQueueItem(item)));
     }
 
     public SinglePlayQueue(final StreamInfo info) {
-        this(new PlayQueueItem(info));
+        super(0, Collections.singletonList(new PlayQueueItem(info)));
     }
 
-    private SinglePlayQueue(final PlayQueueItem playQueueItem) {
+    public SinglePlayQueue(final List<StreamInfoItem> items, final int index) {
-        super(0, Collections.singletonList(playQueueItem));
+        super(index, playQueueItemsOf(items));
+    }
+
+    private static List<PlayQueueItem> playQueueItemsOf(List<StreamInfoItem> items) {
+        List<PlayQueueItem> playQueueItems = new ArrayList<>(items.size());
+        for (final StreamInfoItem item : items) {
+            playQueueItems.add(new PlayQueueItem(item));
+        }
+        return playQueueItems;
     }
 
     @Override

app/src/main/java/org/schabi/newpipe/util/Localization.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.preference.PreferenceManager;
+import android.support.annotation.NonNull;
 import android.support.annotation.PluralsRes;
 import android.support.annotation.StringRes;
 import android.text.TextUtils;
@@ -14,7 +15,9 @@ import java.text.DateFormat;
 import java.text.NumberFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.util.Arrays;
 import java.util.Date;
+import java.util.List;
 import java.util.Locale;
 
 /*
@@ -39,9 +42,33 @@ import java.util.Locale;
 
 public class Localization {
 
+    public final static String DOT_SEPARATOR = " • ";
+
     private Localization() {
     }
 
+    @NonNull
+    public static String concatenateStrings(final String... strings) {
+        return concatenateStrings(Arrays.asList(strings));
+    }
+
+    @NonNull
+    public static String concatenateStrings(final List<String> strings) {
+        if (strings.isEmpty()) return "";
+
+        final StringBuilder stringBuilder = new StringBuilder();
+        stringBuilder.append(strings.get(0));
+
+        for (int i = 1; i < strings.size(); i++) {
+            final String string = strings.get(i);
+            if (!TextUtils.isEmpty(string)) {
+                stringBuilder.append(DOT_SEPARATOR).append(strings.get(i));
+            }
+        }
+
+        return stringBuilder.toString();
+    }
+
     public static Locale getPreferredLocale(Context context) {
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
 

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -33,6 +33,9 @@ import org.schabi.newpipe.fragments.list.feed.FeedFragment;
 import org.schabi.newpipe.fragments.list.kiosk.KioskFragment;
 import org.schabi.newpipe.fragments.list.playlist.PlaylistFragment;
 import org.schabi.newpipe.fragments.list.search.SearchFragment;
+import org.schabi.newpipe.fragments.local.bookmark.LocalPlaylistFragment;
+import org.schabi.newpipe.fragments.local.bookmark.MostPlayedFragment;
+import org.schabi.newpipe.fragments.local.bookmark.LastPlayedFragment;
 import org.schabi.newpipe.history.HistoryActivity;
 import org.schabi.newpipe.player.BackgroundPlayer;
 import org.schabi.newpipe.player.BackgroundPlayerActivity;
@@ -322,6 +325,30 @@ public class NavigationHelper {
                 .commit();
     }
 
+    public static void openLocalPlaylistFragment(FragmentManager fragmentManager, long playlistId, String name) {
+        if (name == null) name = "";
+        fragmentManager.beginTransaction()
+                .setCustomAnimations(R.animator.custom_fade_in, R.animator.custom_fade_out, R.animator.custom_fade_in, R.animator.custom_fade_out)
+                .replace(R.id.fragment_holder, LocalPlaylistFragment.getInstance(playlistId, name))
+                .addToBackStack(null)
+                .commit();
+    }
+
+    public static void openLastPlayedFragment(FragmentManager fragmentManager) {
+        fragmentManager.beginTransaction()
+                .setCustomAnimations(R.animator.custom_fade_in, R.animator.custom_fade_out, R.animator.custom_fade_in, R.animator.custom_fade_out)
+                .replace(R.id.fragment_holder, new LastPlayedFragment())
+                .addToBackStack(null)
+                .commit();
+    }
+
+    public static void openMostPlayedFragment(FragmentManager fragmentManager) {
+        fragmentManager.beginTransaction()
+                .setCustomAnimations(R.animator.custom_fade_in, R.animator.custom_fade_out, R.animator.custom_fade_in, R.animator.custom_fade_out)
+                .replace(R.id.fragment_holder, new MostPlayedFragment())
+                .addToBackStack(null)
+                .commit();
+    }
     /*//////////////////////////////////////////////////////////////////////////
     // Through Intents
     //////////////////////////////////////////////////////////////////////////*/

app/src/main/java/org/schabi/newpipe/util/OnClickGesture.java

@@ -0,0 +1,16 @@
+package org.schabi.newpipe.util;
+
+import android.support.v7.widget.RecyclerView;
+
+public abstract class OnClickGesture<T> {
+
+    public abstract void selected(T selectedItem);
+
+    public void held(T selectedItem) {
+        // Optional gesture
+    }
+
+    public void drag(T selectedItem, RecyclerView.ViewHolder viewHolder) {
+        // Optional gesture
+    }
+}