-Rename playlist in players to play queue.

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

@@ -250,12 +250,7 @@ public abstract class BasePlayer implements Player.EventListener, AudioManager.O
         changeState(STATE_LOADING);
 
         isPrepared = false;
-
-        final MediaSource ms = buildMediaSource(url, format);
-        final DynamicConcatenatingMediaSource dcms = new DynamicConcatenatingMediaSource();
-        dcms.addMediaSource(ms);
-        mediaSource = dcms;
-        dcms.addMediaSource(new LoopingMediaSource(ms, 2));
+        mediaSource = buildMediaSource(url, format);
 
         if (simpleExoPlayer.getPlaybackState() != Player.STATE_IDLE) simpleExoPlayer.stop();
         if (videoStartPos > 0) simpleExoPlayer.seekTo(videoStartPos);

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

@@ -3,19 +3,31 @@ package org.schabi.newpipe.player;
 import com.google.android.exoplayer2.source.DynamicConcatenatingMediaSource;
 import com.google.android.exoplayer2.source.MediaSource;
 
-import org.schabi.newpipe.playlist.Playlist;
+import org.schabi.newpipe.playlist.PlayQueue;
 
 import java.util.List;
 
-public class MediaSourceManager {
+public class PlaybackManager {
 
     private DynamicConcatenatingMediaSource source;
 
-    private Playlist playlist;
+    private PlayQueue playQueue;
+    private int index;
+
     private List<MediaSource> sources;
 
-    public MediaSourceManager(Playlist playlist) {
+    public PlaybackManager(PlayQueue playQueue, int index) {
         this.source = new DynamicConcatenatingMediaSource();
-        this.playlist = playlist;
+
+        this.playQueue = playQueue;
+        this.index = index;
+
+
+
+    }
+
+    interface OnChangeListener {
+        void isLoading();
+        void isLoaded();
     }
 }

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

@@ -16,26 +16,61 @@ import java.util.concurrent.Callable;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import io.reactivex.Maybe;
-import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.functions.Consumer;
 import io.reactivex.schedulers.Schedulers;
 
-public class ExternalPlaylist extends Playlist {
+public class ExternalPlayQueue extends PlayQueue {
+
+    private final static int LOAD_PROXIMITY = 10;
+
+    private boolean isComplete;
 
     private AtomicInteger pageNumber;
 
     private StreamingService service;
 
-    public ExternalPlaylist(final PlayListInfoItem playlist) {
-        super();
-        service = getService(playlist.serviceId);
-        pageNumber = new AtomicInteger(0);
+    private PlayListInfoItem playlist;
 
-        load(playlist);
+    public ExternalPlayQueue(final PlayListInfoItem playlist) {
+        super();
+        this.service = getService(playlist.serviceId);
+        this.pageNumber = new AtomicInteger(0);
+        this.playlist = playlist;
+
+        fetch();
     }
 
-    private void load(final PlayListInfoItem playlist) {
+    @Override
+    public boolean isComplete() {
+        return isComplete;
+    }
+
+    @Override
+    public void load(int index, boolean loadNeighbors) {
+        if (index > streams.size() || streams.get(index) == null) return;
+
+        streams.get(index).load();
+
+        if (loadNeighbors) {
+            int leftBound = index - LOAD_BOUND >= 0 ? index - LOAD_BOUND : 0;
+            int rightBound = index + LOAD_BOUND < streams.size() ? index + LOAD_BOUND : streams.size() - 1;
+
+            for (int i = leftBound; i < rightBound; i++) {
+                final PlayQueueItem item = streams.get(i);
+                if (item != null) item.load();
+            }
+        }
+    }
+
+    @Override
+    public Maybe<StreamInfo> get(int index) {
+        if (index > streams.size() || streams.get(index) == null) return Maybe.empty();
+        return streams.get(index).getStream();
+    }
+
+
+    public synchronized void fetch() {
         final int page = pageNumber.getAndIncrement();
 
         final Callable<PlayListInfo> task = new Callable<PlayListInfo>() {
@@ -49,8 +84,10 @@ public class ExternalPlaylist extends Playlist {
         final Consumer<PlayListInfo> onSuccess = new Consumer<PlayListInfo>() {
             @Override
             public void accept(PlayListInfo playListInfo) throws Exception {
+                if (!playListInfo.hasNextPage) isComplete = true;
+
                 streams.addAll(extractPlaylistItems(playListInfo));
-                changeBroadcast.onNext(streams);
+                notifyChange();
             }
         };
 
@@ -61,33 +98,16 @@ public class ExternalPlaylist extends Playlist {
                 .subscribe(onSuccess);
     }
 
-    private List<PlaylistItem> extractPlaylistItems(final PlayListInfo info) {
-        List<PlaylistItem> result = new ArrayList<>();
+    private List<PlayQueueItem> extractPlaylistItems(final PlayListInfo info) {
+        List<PlayQueueItem> result = new ArrayList<>();
         for (final InfoItem stream : info.related_streams) {
             if (stream instanceof StreamInfoItem) {
-                result.add(new PlaylistItem((StreamInfoItem) stream));
+                result.add(new PlayQueueItem((StreamInfoItem) stream));
             }
         }
         return result;
     }
 
-    @Override
-    boolean isComplete() {
-        return false;
-    }
-
-    @Override
-    void load(int index) {
-        while (streams.size() < index) {
-            pageNumber.incrementAndGet();
-        }
-    }
-
-    @Override
-    Observable<StreamInfo> get(int index) {
-        return null;
-    }
-
     private StreamingService getService(final int serviceId) {
         try {
             return NewPipe.getService(serviceId);
@@ -95,5 +115,4 @@ public class ExternalPlaylist extends Playlist {
             return null;
         }
     }
-
 }

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

@@ -0,0 +1,42 @@
+package org.schabi.newpipe.playlist;
+
+import android.support.annotation.NonNull;
+
+import org.schabi.newpipe.extractor.stream_info.StreamInfo;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import io.reactivex.Maybe;
+import io.reactivex.subjects.BehaviorSubject;
+
+public abstract class PlayQueue {
+    private final String TAG = "PlayQueue@" + Integer.toHexString(hashCode());
+
+    final int LOAD_BOUND = 2;
+
+    protected List<PlayQueueItem> streams;
+    private BehaviorSubject<List<PlayQueueItem>> changeBroadcast;
+
+    PlayQueue() {
+        streams = Collections.synchronizedList(new ArrayList<PlayQueueItem>());
+        changeBroadcast = BehaviorSubject.create();
+    }
+
+    @NonNull
+    public List<PlayQueueItem> getStreams() {
+        return streams;
+    }
+
+    public void notifyChange() {
+        changeBroadcast.onNext(streams);
+    }
+
+    public abstract boolean isComplete();
+
+    public abstract void load(int index, boolean loadNeighbors);
+
+    public abstract Maybe<StreamInfo> get(int index);
+}
+

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

@@ -1,6 +1,5 @@
 package org.schabi.newpipe.playlist;
 
-import android.app.Activity;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -10,7 +9,6 @@ import android.view.ViewGroup;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.info_list.StreamInfoItemHolder;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -33,11 +31,11 @@ import java.util.List;
  * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-public class PlaylistAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
-    private static final String TAG = PlaylistAdapter.class.toString();
+public class PlayQueueAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private static final String TAG = PlayQueueAdapter.class.toString();
 
     private final PlaylistItemBuilder playlistItemBuilder;
-    private final List<PlaylistItem> playlistItems;
+    private final PlayQueue playQueue;
     private boolean showFooter = false;
     private View header = null;
     private View footer = null;
@@ -55,34 +53,60 @@ public class PlaylistAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
         notifyDataSetChanged();
     }
 
-    public PlaylistAdapter(List<PlaylistItem> data) {
-        playlistItemBuilder = new PlaylistItemBuilder();
-        playlistItems = data;
+    public PlayQueueAdapter(PlayQueue playQueue) {
+        this.playlistItemBuilder = new PlaylistItemBuilder();
+        this.playQueue = playQueue;
     }
 
     public void setSelectedListener(PlaylistItemBuilder.OnSelectedListener listener) {
         playlistItemBuilder.setOnSelectedListener(listener);
     }
 
-    public void addInfoItemList(List<PlaylistItem> data) {
+    public void addItems(List<PlayQueueItem> data) {
         if(data != null) {
-            playlistItems.addAll(data);
-            notifyDataSetChanged();
+            playQueue.getStreams().addAll(data);
+            notifyPlaylistChange();
         }
     }
 
-    public void addInfoItem(PlaylistItem data) {
+    public void addItem(PlayQueueItem data) {
         if (data != null) {
-            playlistItems.add(data);
-            notifyDataSetChanged();
+            playQueue.getStreams().add(data);
+            notifyPlaylistChange();
         }
     }
 
-    public void clearStreamItemList() {
-        if(playlistItems.isEmpty()) {
+    public void removeItem(int index) {
+        if (index < playQueue.getStreams().size()) {
+            playQueue.getStreams().remove(index);
+            notifyPlaylistChange();
+        }
+    }
+
+    public void swapItems(int source, int target) {
+        final List<PlayQueueItem> items = playQueue.getStreams();
+        if (source < items.size() && target < items.size()) {
+            final PlayQueueItem sourceItem = items.get(source);
+            final PlayQueueItem targetItem = items.get(target);
+
+            items.set(target, sourceItem);
+            items.set(source, targetItem);
+
+            notifyPlaylistChange();
+        }
+    }
+
+    public void clear() {
+        if(playQueue.getStreams().isEmpty()) {
             return;
         }
-        playlistItems.clear();
+        playQueue.getStreams().clear();
+
+        notifyPlaylistChange();
+    }
+
+    private void notifyPlaylistChange() {
+        playQueue.notifyChange();
         notifyDataSetChanged();
     }
 
@@ -96,13 +120,13 @@ public class PlaylistAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
         notifyDataSetChanged();
     }
 
-    public List<PlaylistItem> getItemsList() {
-        return playlistItems;
+    public List<PlayQueueItem> getItems() {
+        return playQueue.getStreams();
     }
 
     @Override
     public int getItemCount() {
-        int count = playlistItems.size();
+        int count = playQueue.getStreams().size();
         if(header != null) count++;
         if(footer != null && showFooter) count++;
         return count;
@@ -116,7 +140,7 @@ public class PlaylistAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
         } else if(header != null) {
             position--;
         }
-        if(footer != null && position == playlistItems.size() && showFooter) {
+        if(footer != null && position == playQueue.getStreams().size() && showFooter) {
             return 1;
         }
         return 2;
@@ -140,14 +164,14 @@ public class PlaylistAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
 
     @Override
     public void onBindViewHolder(RecyclerView.ViewHolder holder, int i) {
-        if(holder instanceof PlaylistItemHolder) {
+        if(holder instanceof PlayQueueItemHolder) {
             if(header != null) {
                 i--;
             }
-            playlistItemBuilder.buildStreamInfoItem((PlaylistItemHolder) holder, playlistItems.get(i));
+            playlistItemBuilder.buildStreamInfoItem((PlayQueueItemHolder) holder, playQueue.getStreams().get(i));
         } else if(holder instanceof HFHolder && i == 0 && header != null) {
             ((HFHolder) holder).view = header;
-        } else if(holder instanceof HFHolder && i == playlistItems.size() && footer != null && showFooter) {
+        } else if(holder instanceof HFHolder && i == playQueue.getStreams().size() && footer != null && showFooter) {
             ((HFHolder) holder).view = footer;
         }
     }

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

@@ -17,7 +17,7 @@ import io.reactivex.functions.Action;
 import io.reactivex.functions.Consumer;
 import io.reactivex.schedulers.Schedulers;
 
-public class PlaylistItem implements Serializable {
+public class PlayQueueItem implements Serializable {
 
     private String title;
     private String url;
@@ -28,7 +28,7 @@ public class PlaylistItem implements Serializable {
     private Throwable error;
     private Maybe<StreamInfo> stream;
 
-    public PlaylistItem(final StreamInfoItem streamInfoItem) {
+    public PlayQueueItem(final StreamInfoItem streamInfoItem) {
         this.title = streamInfoItem.getTitle();
         this.url = streamInfoItem.getLink();
         this.serviceId = streamInfoItem.service_id;

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

@@ -29,12 +29,12 @@ import org.schabi.newpipe.info_list.InfoItemHolder;
  * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-public class PlaylistItemHolder extends RecyclerView.ViewHolder {
+public class PlayQueueItemHolder extends RecyclerView.ViewHolder {
 
     public final TextView itemVideoTitleView, itemDurationView;
     public final View itemRoot;
 
-    public PlaylistItemHolder(View v) {
+    public PlayQueueItemHolder(View v) {
         super(v);
         itemRoot = v.findViewById(R.id.itemRoot);
         itemVideoTitleView = (TextView) v.findViewById(R.id.itemVideoTitleView);

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

@@ -1,38 +0,0 @@
-package org.schabi.newpipe.playlist;
-
-import android.support.annotation.NonNull;
-
-import org.schabi.newpipe.extractor.stream_info.StreamInfo;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-import io.reactivex.Observable;
-import io.reactivex.subjects.PublishSubject;
-
-public abstract class Playlist {
-    private final String TAG = "Playlist@" + Integer.toHexString(hashCode());
-
-    private final int LOAD_BOUND = 2;
-
-    List<PlaylistItem> streams;
-    PublishSubject<List<PlaylistItem>> changeBroadcast;
-
-    Playlist() {
-        streams = Collections.synchronizedList(new ArrayList<PlaylistItem>());
-        changeBroadcast = PublishSubject.create();
-    }
-
-    @NonNull
-    public PublishSubject<List<PlaylistItem>> getChangeBroadcast() {
-        return changeBroadcast;
-    }
-
-    abstract boolean isComplete();
-
-    abstract void load(int index);
-
-    abstract Observable<StreamInfo> get(int index);
-}
-

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

@@ -1,48 +1,14 @@
 package org.schabi.newpipe.playlist;
 
-import android.content.Context;
 import android.text.TextUtils;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-import com.nostra13.universalimageloader.core.DisplayImageOptions;
-import com.nostra13.universalimageloader.core.ImageLoader;
-
-import org.schabi.newpipe.ImageErrorLoadingListener;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.AbstractStreamInfo;
-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_info.StreamInfoItem;
-import org.schabi.newpipe.info_list.ChannelInfoItemHolder;
-import org.schabi.newpipe.info_list.InfoItemHolder;
-import org.schabi.newpipe.info_list.PlaylistInfoItemHolder;
-import org.schabi.newpipe.info_list.StreamInfoItemHolder;
 
 import java.util.Locale;
 
-/**
- * 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 PlaylistItemBuilder {
 
@@ -60,10 +26,10 @@ public class PlaylistItemBuilder {
         this.onStreamInfoItemSelectedListener = listener;
     }
 
-    public View buildView(ViewGroup parent, final PlaylistItem item) {
+    public View buildView(ViewGroup parent, final PlayQueueItem item) {
         final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
         final View itemView = inflater.inflate(R.layout.stream_item, parent, false);
-        final PlaylistItemHolder holder = new PlaylistItemHolder(itemView);
+        final PlayQueueItemHolder holder = new PlayQueueItemHolder(itemView);
 
         buildStreamInfoItem(holder, item);
 
@@ -71,7 +37,7 @@ public class PlaylistItemBuilder {
     }
 
 
-    public void buildStreamInfoItem(PlaylistItemHolder holder, final PlaylistItem item) {
+    public void buildStreamInfoItem(PlayQueueItemHolder holder, final PlayQueueItem item) {
         if (!TextUtils.isEmpty(item.getTitle())) holder.itemVideoTitleView.setText(item.getTitle());
 
         if (item.getDuration() > 0) {