it.tidalwave.mobile.android.media.impl.AndroidMediaPlayerController Maven / Gradle / Ivy

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/***********************************************************************************************************************
 *
 * blueBill Mobile - open source birdwatching
 * ==========================================
 *
 * Copyright (C) 2009, 2010 by Tidalwave s.a.s. (http://www.tidalwave.it)
 * http://bluebill.tidalwave.it/mobile/
 *
 ***********************************************************************************************************************
 *
 * 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.
 *
 ***********************************************************************************************************************
 *
 * $Id: AndroidMediaPlayerController.java,v f770a50fc8aa 2010/07/02 00:40:06 fabrizio $
 *
 **********************************************************************************************************************/
package it.tidalwave.mobile.android.media.impl;

import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import it.tidalwave.util.logging.Logger;
import it.tidalwave.mobile.media.MediaPlayer.Controller;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id: $
 *
 **********************************************************************************************************************/
public class AndroidMediaPlayerController extends Controller
  {
    private static final String CLASS = AndroidMediaPlayerController.class.getName();
    private static final Logger logger = Logger.getLogger(CLASS);

    private MediaPlayer player;
    
    private final OnCompletionListener onCompletionListener = new MediaPlayer.OnCompletionListener()
      {
        public void onCompletion (final @Nonnull MediaPlayer mediaPlayer)
          {
            mediaPlayer.setOnCompletionListener(null);
            setPlaying(false);
          }
      };

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public AndroidMediaPlayerController (final @Nonnull MediaPlayer player)
      {
        this.player = player;
        setPlaying(true);
        player.setOnCompletionListener(onCompletionListener);
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public void start()
      {
        if (player != null)
          {
            player.start();
            setPlaying(true);
          }
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public void stop()
      {
        if (player != null)
          {
            player.stop();
            setPlaying(false);
          }
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public void pause()
      {
        if (player != null)
          {
            player.pause();
            setPlaying(false);
          }
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    @Nonnegative
    public int getDuration()
      {
        return (player == null) ? 0 : player.getDuration();
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    @Nonnegative
    public int getPosition()
      {
        return (player == null) ? 0 : player.getCurrentPosition();
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public void setPosition (final @Nonnegative int position)
      {
        if (player != null)
          {
            player.seekTo(position);
          }
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public boolean isPlaying()
      {
        return (player == null) ? false : player.isPlaying();
      }

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    public void dispose()
      {
        if (player != null)
          {
            setPlaying(false);
            logger.info("Disposing player %s", player);
            player.release();
            player.setOnCompletionListener(null);
            player = null;
            logger.info(">>>> disposed");
          }
      }
  }