AudioClip.java

/*
  * This file is part of WhereYouGo.
  *
  * WhereYouGo 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.
  *
  * WhereYouGo 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 WhereYouGo.  If not, see <http://www.gnu.org/licenses/>.
  *
  * Copyright (C) 2012 Menion <whereyougo@asamm.cz>
  */ 

package menion.android.whereyougo.utils.audio;

import menion.android.whereyougo.utils.Logger;
import android.content.Context;
import android.media.MediaPlayer;
import android.net.Uri;

public class AudioClip {
	
	private static final String TAG = "AudioClip";
	
	private MediaPlayer mPlayer;
	private String name;
	
	private boolean mPlaying = false;
	private boolean mLoop = false;
	private int playCount = 0;
	
	private AudioListener listener;
	
	public interface AudioListener {
		public void playCompleted();
	}
	
	public AudioClip(Context ctx, int resID) {
		name = ctx.getResources().getResourceName(resID);
		mPlayer = MediaPlayer.create(ctx, resID);
		initMediaPlayer();
	}

	public AudioClip(Context ctx, Uri soundUri) {
		mPlayer = MediaPlayer.create(ctx, soundUri);
		initMediaPlayer();
	}
	
	private void initMediaPlayer() {
		mPlayer.setVolume(1000, 1000);
		mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener(){

			public void onCompletion(MediaPlayer mp) {
				mPlaying = false;
				if (mLoop) {
					System.out.println("AudioClip loop " + name);
					mp.start();
				} else if (playCount > 0) {
					playCount--;
					mp.start();
				} else {
					// really finished
					if (listener != null)
						listener.playCompleted();
				}
			}
		});
	}
	
	public void registeListener(AudioListener listener) {
		this.listener = listener;
	}
	
	public synchronized void play() {
		if (mPlaying) 
			return;
		
		if (mPlayer != null) {
			mPlaying = true;
			mPlayer.start();
		}
	}
	
	public synchronized void play(int count) {
		if (mPlaying) 
			return;
		
		this.playCount = count - 1;
		if (mPlayer != null) {
			mPlaying = true;
			mPlayer.start();
		}
	}
	
	public synchronized void stop() {
		try {
			mLoop = false;
			if (mPlaying) { 
				mPlaying = false;
				mPlayer.pause();
			}
		} catch (Exception e) {
			System.err.println("AduioClip::stop " + name + " " + e.toString());
		}
	}
	
	public synchronized void loop() {
		mLoop = true;
		mPlaying = true;
		mPlayer.start();		
	}
	
	public void release() {
		if (mPlayer != null) { 
			mPlayer.release();
			mPlayer = null;
		}
	}
	
	public static void destroyAudio(AudioClip mAudio) {
		try {
			if (mAudio != null) {
				mAudio.stop();
				mAudio.release();
			}
		} catch (Exception e) {
			Logger.e(TAG, "destroyAudio()", e);
		} finally {
			mAudio = null;
		}
	}
}