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      1 package com.xtremelabs.robolectric.shadows;
      2 
      3 import android.content.Context;
      4 import android.media.MediaPlayer;
      5 import android.net.Uri;
      6 
      7 import com.xtremelabs.robolectric.internal.Implementation;
      8 import com.xtremelabs.robolectric.internal.Implements;
      9 import com.xtremelabs.robolectric.internal.RealObject;
     10 
     11 import static com.xtremelabs.robolectric.Robolectric.shadowOf;
     12 
     13 /**
     14  * Shadows the Android {@code MediaPlayer} class.
     15  */
     16 @Implements(MediaPlayer.class)
     17 public class ShadowMediaPlayer {
     18 
     19 	@RealObject private MediaPlayer player;
     20 
     21 	private boolean playing;
     22 	private boolean prepared;
     23 	private int currentPosition;
     24 	private Uri sourceUri;
     25 	private int sourceResId;
     26 	private MediaPlayer.OnCompletionListener completionListener;
     27 	private MediaPlayer.OnPreparedListener preparedListener;
     28 
     29 	@Implementation
     30 	public static MediaPlayer create(Context context, int resId) {
     31 		MediaPlayer mp = new MediaPlayer();
     32 		shadowOf(mp).sourceResId = resId;
     33 		try {
     34 			mp.prepare();
     35 		} catch (Exception e) { return null; }
     36 
     37 		return mp;
     38 	}
     39 
     40 	@Implementation
     41 	public static MediaPlayer create(Context context, Uri uri) {
     42 		MediaPlayer mp = new MediaPlayer();
     43 		try {
     44 			mp.setDataSource(context, uri);
     45 			mp.prepare();
     46 		} catch (Exception e) { return null; }
     47 
     48 		return mp;
     49 	}
     50 
     51 	public void __constructor__() {
     52 		playing = true;
     53 	}
     54 
     55 	@Implementation
     56 	public void	setDataSource(Context context, Uri uri) {
     57 		this.sourceUri = uri;
     58 	}
     59 
     60 	@Implementation
     61 	public void setOnCompletionListener(MediaPlayer.OnCompletionListener listener) {
     62 		completionListener = listener;
     63 	}
     64 
     65 	@Implementation
     66 	public void setOnPreparedListener(MediaPlayer.OnPreparedListener listener) {
     67 		preparedListener = listener;
     68 	}
     69 
     70 	@Implementation
     71 	public boolean isPlaying() {
     72 		return playing;
     73 	}
     74 
     75 	@Implementation
     76 	public void prepare() {
     77 		prepared = true;
     78 		invokePreparedListener();
     79 	}
     80 
     81 	/**
     82 	 * Test cases are expected to simulate completion of the 'prepare' phase
     83 	 * by manually invoking {@code #invokePreparedListener}.
     84 	 */
     85 	@Implementation
     86 	public void prepareAsync() {
     87 		prepared = true;
     88 	}
     89 
     90 	@Implementation
     91 	public void start() {
     92 		playing = true;
     93 	}
     94 
     95 	@Implementation
     96 	public void pause() {
     97 		playing = false;
     98 	}
     99 
    100 	@Implementation
    101 	public void release() {
    102 		playing = false;
    103 		prepared = false;
    104 	}
    105 
    106 	@Implementation
    107 	public void reset() {
    108 		playing = false;
    109 		prepared = false;
    110 	}
    111 
    112 	@Implementation
    113 	public void stop() {
    114 		playing = false;
    115 	}
    116 
    117 	@Implementation
    118     public int getCurrentPosition() {
    119         return currentPosition;
    120     }
    121 
    122     public void setCurrentPosition(int position) {
    123         currentPosition = position;
    124     }
    125 
    126     /**
    127      * Non-Android accessor.  Use for assertions.
    128      * @return
    129      */
    130     public Uri getSourceUri() {
    131     	return sourceUri;
    132     }
    133 
    134     /**
    135      * Non-Android accessor.  Use for assertions.
    136      * @return
    137      */
    138     public int getSourceResId() {
    139     	return sourceResId;
    140     }
    141 
    142     /**
    143      * Non-Android accessor.  Use for assertions.
    144      * @return
    145      */
    146     public boolean isPrepared() {
    147     	return prepared;
    148     }
    149 
    150     /**
    151      * Non-Android accessor.  Use for assertions.
    152      * @return
    153      */
    154     public MediaPlayer.OnCompletionListener getOnCompletionListener() {
    155     	return completionListener;
    156     }
    157 
    158     /**
    159      * Non-Android accessor.  Use for assertions.
    160      * @return
    161      */
    162     public MediaPlayer.OnPreparedListener getOnPreparedListener() {
    163     	return preparedListener;
    164     }
    165 
    166     /**
    167      * Allows test cases to simulate 'prepared' state by invoking callback.
    168      */
    169     public void invokePreparedListener() {
    170     	if (preparedListener == null) return;
    171     	preparedListener.onPrepared( player );
    172     }
    173 
    174     /**
    175      * Allows test cases to simulate 'completed' state by invoking callback.
    176      */
    177     public void invokeCompletionListener() {
    178     	if (completionListener == null) return;
    179     	completionListener.onCompletion( player );
    180     }
    181 }
    182