Android Open Source - google-media-framework-android Observable Player Control

From Project

Back to project page google-media-framework-android.

License

The source code is released under:

Apache License

If you think the Android project google-media-framework-android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/**
 Copyright 2014 Google Inc. All rights reserved.
/*from  w  ww  .j a  v a 2s.  co m*/
 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.google.android.libraries.mediaframework.exoplayerextensions;

import com.google.android.exoplayer.ExoPlayer;
import com.google.android.exoplayer.util.PlayerControl;

import java.util.ArrayList;
import java.util.List;

/**
 * Extends the {@link com.google.android.exoplayer.util.PlayerControl} class, which is responsible
 * for controlling playback (ex play, pause, seek, get duration, get elapsed time) by adding the
 * ability to make a list of callbacks which respond when the player is paused or played.
 */
public class ObservablePlayerControl extends PlayerControl {

  /**
   * Callbacks which will react to the player pausing or playing.
   */
  List<PlayerControlCallback> callbacks;

  /**
   * @param exoPlayer The {@link com.google.android.exoplayer.ExoPlayer} instance to control.
   */
  public ObservablePlayerControl(ExoPlayer exoPlayer) {
    super(exoPlayer);
    callbacks = new ArrayList<PlayerControlCallback>();
  }

  /**
   * Add a callback to listen to play and pause events.
   * @param callback Responds when the player is paused or played.
   */
  public void addCallback(PlayerControlCallback callback) {
    callbacks.add(callback);
  }

  /**
   * Pause the video and notify the callbacks.
   */
  @Override
  public void pause() {
    super.pause();
    for (PlayerControlCallback callback : callbacks) {
      callback.onPause();
    }
  }

  /**
   * Remove a callback which is currently listening to play and pause events on the
   * {@link com.google.android.exoplayer.ExoPlayer} instance.
   * @param callback Responds when the player is paused or played.
   */
  public void removeCallback(PlayerControlCallback callback) {
    callbacks.remove(callback);
  }

  /**
   * Play the video and notify the callbacks.
   */
  @Override
  public void start() {
    super.start();
    for (PlayerControlCallback callback : callbacks) {
      callback.onPlay();
    }
  }

}

Java Source Code List