Player.java

/*******************************************************************************
 * Catroid: An on-device visual programming system for Android devices
 *  Copyright (C) 2010-2013 The Catrobat Team
 *  (<http://developer.catrobat.org/credits>)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  An additional term exception under section 7 of the GNU Affero
 *  General Public License, version 3, is available at
 *  http://www.catroid.org/catroid/licenseadditionalterm
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.catrobat.musicdroid.recorder;

import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.Bundle;
import android.os.Message;
import android.util.Log;

import java.io.IOException;

public class Player {
	private static final String TAG = Player.class.getSimpleName();
	private RecorderLayout layout = null;
	private MediaPlayer mediaPlayer = null;
	private boolean stop = false;

	public Player(RecorderLayout layout) {
		this.layout = layout;
	}

	public void playRecordedFile() {
		Log.i("Player", "playRecorderFile");
		mediaPlayer = new MediaPlayer();

		try {
			mediaPlayer.setDataSource(AudioHandler.getInstance().getFilenameFullPath());
			mediaPlayer.prepare();
		} catch (IllegalArgumentException e) {
			Log.e(TAG, "IllegalArgumentException", e);
		} catch (SecurityException e) {
			Log.e(TAG, "SecurityException", e);
		} catch (IllegalStateException e) {
			Log.e(TAG, "IllegalStateException", e);
		} catch (IOException e) {
			Log.e(TAG, "IOException", e);
		}

		mediaPlayer.setOnPreparedListener(new OnPreparedListener() {

			@Override
			public void onPrepared(MediaPlayer mp) {
				Log.i("Player", "Prepared");
				int duration = mediaPlayer.getDuration();
				layout.setTrackDuration(duration / 1000);
				stop = false;
				mediaPlayer.start();
				startCommunicationThread();
			}
		});

		mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
			@Override
			public void onCompletion(MediaPlayer mp) {
				stopPlaying();
			}
		});
	}

	public void stopPlaying() {
		stop = true;
		mediaPlayer.stop();
		layout.handlePlaySoundComplete();
	}

	private void startCommunicationThread() {
		Thread background = new Thread(new Runnable() {
			@Override
			public void run() {
				int counter = 1;
				while (!stop) {
					try {
						Thread.sleep(1000);
						sendTrackPositionMessage(counter);
						counter = counter + 1;

					} catch (Exception e) {
						Log.v("Error", e.toString());
					}
				}
			}
		});
		background.start();
	}

	private void sendTrackPositionMessage(int counter) {
		Message msg = new Message();
		Bundle b = new Bundle();
		b.putInt("trackposition", counter);
		msg.setData(b);
		layout.sendMessage(msg);
	}
}