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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.mediarouter.player;
import android.content.Context;
import android.support.v7.media.MediaControlIntent;
import android.support.v7.media.MediaRouter.RouteInfo;
/**
* Abstraction of common playback operations of media items, such as play,
* seek, etc. Used by PlaybackManager as a backend to handle actual playback
* of media items.
*/
public abstract class Player {
protected Callback mCallback;
public abstract boolean isRemotePlayback();
public abstract boolean isQueuingSupported();
public abstract void connect(RouteInfo route);
public abstract void release();
// basic operations that are always supported
public abstract void play(final PlaylistItem item);
public abstract void seek(final PlaylistItem item);
public abstract void getStatus(final PlaylistItem item, final boolean update);
public abstract void pause();
public abstract void resume();
public abstract void stop();
// advanced queuing (enqueue & remove) are only supported
// if isQueuingSupported() returns true
public abstract void enqueue(final PlaylistItem item);
public abstract PlaylistItem remove(String iid);
// route statistics
public void updateStatistics() {}
public String getStatistics() { return ""; }
// presentation display
public void updatePresentation() {}
public void setCallback(Callback callback) {
mCallback = callback;
}
public static Player create(Context context, RouteInfo route) {
Player player;
if (route != null && route.supportsControlCategory(
MediaControlIntent.CATEGORY_REMOTE_PLAYBACK)) {
player = new RemotePlayer(context);
} else if (route != null) {
player = new LocalPlayer.SurfaceViewPlayer(context);
} else {
player = new LocalPlayer.OverlayPlayer(context);
}
player.connect(route);
return player;
}
public interface Callback {
void onError();
void onCompletion();
void onPlaylistChanged();
void onPlaylistReady();
}
}