Added shuffle and repeat functionality.

README.md

@@ -16,6 +16,10 @@ Android Support Library and [Cling](http://4thline.org/projects/cling/) are requ
 
 Binaries for Cling are included in the libs folder.
 
+## Icons
+
+All icons are taken from the Android project.
+
 ## License
 
 [BSD 3-Clause License](LICENSE.md)

res/layout/route_fragment.xml

@@ -51,6 +51,13 @@
 	    	    android:gravity="right"
 	    	    android:minEms="2" />
 	    	
+	    	<ImageButton 
+	    	    android:id="@+id/shuffle"
+		        android:layout_width="wrap_content"
+		        android:layout_height="wrap_content"
+		        android:contentDescription="@string/shuffle"
+		        android:layout_toLeftOf="@+id/previous" />
+    	
 		    <ImageButton
 		        android:id="@+id/previous"
 		        android:layout_width="wrap_content"
@@ -72,6 +79,13 @@
 		        android:contentDescription="@string/next"
 		        android:layout_toRightOf="@id/playpause" />
 	        
+		    <ImageButton
+		        android:id="@+id/repeat"
+		        android:layout_width="wrap_content"
+		        android:layout_height="wrap_content" 
+		        android:contentDescription="@string/repeat"
+		        android:layout_toRightOf="@id/next" />
+
 	    	<TextView
 	    	    android:id="@+id/total_time"
 	    	    android:layout_width="wrap_content"

res/values/colors.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="currently_playing_background">#BB99CC00</color>
+    <color name="button_highlight">#ff33b5e5</color>
 </resources>

res/values/strings.xml

@@ -9,6 +9,8 @@
     <string name="exit_renderer">Do you really want to exit the renderer? Playback will be stopped.</string>
     <string name="previous">Previous</string>
     <string name="next">Next</string>
+    <string name="shuffle">Shuffle</string>
+    <string name="repeat">Repeat</string>
     <string name="select_route">Please select a route</string>
     <string name="album_art">Album Art</string>
     <string name="route_description">DLNA Playback</string>

src/com/github/nutomic/controldlna/gui/RouteFragment.java

@@ -86,6 +86,8 @@ public class RouteFragment extends MediaRouteDiscoveryFragment implements
 	private View mControls;
 	private SeekBar mProgressBar;
 	private ImageButton mPlayPause;
+	private ImageButton mShuffle;
+	private ImageButton mRepeat;
 	
 	private View mCurrentTrackView;
 	
@@ -111,6 +113,7 @@ public class RouteFragment extends MediaRouteDiscoveryFragment implements
 			mMediaRouterPlayService.getService().setRouterFragment(RouteFragment.this);
 			mPlaylistAdapter.addAll(mMediaRouterPlayService.getService().getPlaylist());
 			receiveIsPlaying(mMediaRouterPlayService.getService().getCurrentTrack());
+			applyColors();
         }
 
         public void onServiceDisconnected(ComponentName className) {
@@ -157,17 +160,25 @@ public class RouteFragment extends MediaRouteDiscoveryFragment implements
         mProgressBar = (SeekBar) getView().findViewById(R.id.progressBar);
         mProgressBar.setOnSeekBarChangeListener(this);
         
+        mShuffle = (ImageButton) getView().findViewById(R.id.shuffle);
+        mShuffle.setImageResource(R.drawable.ic_action_shuffle);
+        mShuffle.setOnClickListener(this);
+        
         ImageButton previous = (ImageButton) getView().findViewById(R.id.previous);
-        previous.setImageResource(R.drawable.ic_media_previous);
+        previous.setImageResource(R.drawable.ic_action_previous);
-    	getView().findViewById(R.id.previous).setOnClickListener(this);
+    	previous.setOnClickListener(this);
         
         ImageButton next = (ImageButton) getView().findViewById(R.id.next);
-        next.setImageResource(R.drawable.ic_media_next);
+        next.setImageResource(R.drawable.ic_action_next);
-    	getView().findViewById(R.id.next).setOnClickListener(this);
+    	next.setOnClickListener(this);
+        
+        mRepeat = (ImageButton) getView().findViewById(R.id.repeat);
+        mRepeat.setImageResource(R.drawable.ic_action_repeat);
+        mRepeat.setOnClickListener(this);
         
         mPlayPause = (ImageButton) getView().findViewById(R.id.playpause);
         mPlayPause.setOnClickListener(this);
-    	mPlayPause.setImageResource(R.drawable.ic_media_play);    	
+    	mPlayPause.setImageResource(R.drawable.ic_action_play);    	
 
     	getActivity().getApplicationContext().startService(
     			new Intent(getActivity(), MediaRouterPlayService.class));
@@ -361,22 +372,48 @@ public class RouteFragment extends MediaRouteDiscoveryFragment implements
 	 */
 	@Override
 	public void onClick(View v) {
+		MediaRouterPlayService s = mMediaRouterPlayService.getService();
 		switch (v.getId()) {
 		case R.id.playpause:
 			if (mPlaying)
-				mMediaRouterPlayService.getService().pause();
+				s.pause();
 			else
-				mMediaRouterPlayService.getService().resume();
+				s.resume();
+			break;
+		case R.id.shuffle:
+			s.toggleShuffleEnabled();
+			applyColors();
 			break;
 		case R.id.previous:
-			mMediaRouterPlayService.getService().playPrevious();
+			s.playPrevious();
 			break;
 		case R.id.next:
-			mMediaRouterPlayService.getService().playNext();
+			s.playNext();
+			break;
+		case R.id.repeat:
+			s.toggleRepeatEnabled();
+			applyColors();
 			break;
 		}		
 	}
 	
+	/**
+	 * Enables or disables highlighting on shuffle/repeat buttons (depending
+	 * if they are enabled or disabled).
+	 */
+	private void applyColors() {
+		MediaRouterPlayService s = mMediaRouterPlayService.getService();
+		int highlight = getResources().getColor(R.color.button_highlight);
+		int transparent = getResources().getColor(android.R.color.transparent);
+		
+		mShuffle.setColorFilter((s.getShuffleEnabled()) 
+				? highlight
+				: transparent);		
+		mRepeat.setColorFilter((s.getRepeatEnabled()) 
+				? highlight
+				: transparent);
+	}
+
 	/**
 	 * Sends manual seek on progress bar to renderer.
 	 */
@@ -484,11 +521,11 @@ public class RouteFragment extends MediaRouteDiscoveryFragment implements
 				status.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_BUFFERING ||
 				status.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_PENDING) {
 			mPlaying = true;
-			mPlayPause.setImageResource(R.drawable.ic_media_pause);
+			mPlayPause.setImageResource(R.drawable.ic_action_pause);
 		}
 		else {
 			mPlaying = false;
-			mPlayPause.setImageResource(R.drawable.ic_media_play);
+			mPlayPause.setImageResource(R.drawable.ic_action_play);
 		}
 		
 		if (mListView.getAdapter() == mPlaylistAdapter) 

src/com/github/nutomic/controldlna/mediarouter/MediaRouterPlayService.java

@@ -30,6 +30,7 @@ package com.github.nutomic.controldlna.mediarouter;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;
 
 import org.teleal.cling.support.contentdirectory.DIDLParser;
 import org.teleal.cling.support.model.DIDLContent;
@@ -86,6 +87,10 @@ public class MediaRouterPlayService extends Service {
 	 */
 	private int mCurrentTrack = -1;
 	
+	private boolean mShuffle = false;
+	
+	private boolean mRepeat = false;
+	
 	private String mItemId;
 	
 	private String mSessionId;
@@ -243,6 +248,9 @@ public class MediaRouterPlayService extends Service {
 	 * Sends 'pause' signal to current renderer.
 	 */
 	public void pause() {
+		if (mPlaylist.isEmpty())
+			return;
+		
         Intent intent = new Intent(MediaControlIntent.ACTION_PAUSE);
         intent.addCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK);
 		intent.putExtra(MediaControlIntent.EXTRA_SESSION_ID, mSessionId);
@@ -253,6 +261,9 @@ public class MediaRouterPlayService extends Service {
 	 * Sends 'resume' signal to current renderer.
 	 */
 	public void resume() {
+		if (mPlaylist.isEmpty())
+			return;
+		
         Intent intent = new Intent(MediaControlIntent.ACTION_RESUME);
         intent.addCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK);
 		intent.putExtra(MediaControlIntent.EXTRA_SESSION_ID, mSessionId);
@@ -267,6 +278,9 @@ public class MediaRouterPlayService extends Service {
 	 * Sends 'stop' signal to current renderer.
 	 */
 	public void stop() {
+		if (mPlaylist.isEmpty())
+			return;
+		
         Intent intent = new Intent(MediaControlIntent.ACTION_STOP);
         intent.addCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK);
 		intent.putExtra(MediaControlIntent.EXTRA_SESSION_ID, mSessionId);
@@ -274,6 +288,9 @@ public class MediaRouterPlayService extends Service {
 	}
 	
 	public void seek(int seconds) {
+		if (mPlaylist.isEmpty())
+			return;
+		
         Intent intent = new Intent(MediaControlIntent.ACTION_SEEK);
         intent.addCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK);
 		intent.putExtra(MediaControlIntent.EXTRA_SESSION_ID, mSessionId);
@@ -296,7 +313,23 @@ public class MediaRouterPlayService extends Service {
 	 * Plays the track after current in the playlist.
 	 */
 	public void playNext() {
+		if (mCurrentTrack == -1) 
+			return;
+		
+		if (mShuffle)
+			// Play random item.
+			play(new Random().nextInt(mPlaylist.size()));
+		else if (mCurrentTrack + 1 < mPlaylist.size())
+			// Playlist not over, play next item.
 			play(mCurrentTrack + 1);
+		else if (mRepeat)
+			// Playlist over, repeat it.
+			play(0);
+		else if (!mBound) {
+			// Playlist over, stop playback.
+			stopSelf();
+			mPollingStatus = false;
+		}
 	}
 
 	
@@ -304,6 +337,13 @@ public class MediaRouterPlayService extends Service {
 	 * Plays the track before current in the playlist.
 	 */
 	public void playPrevious() {
+		if (mCurrentTrack == -1)
+			return;
+		
+		if (mShuffle)
+			// Play random item.
+			play(new Random().nextInt(mPlaylist.size()));
+		else
 			play(mCurrentTrack - 1);
 	}
 	
@@ -339,15 +379,8 @@ public class MediaRouterPlayService extends Service {
 											status.getPlaybackState() != MediaItemStatus.PLAYBACK_STATE_PLAYING)
 								stopForeground(true);
 							
-							if (status.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_FINISHED) {
+							if (status.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_FINISHED)
-								if (mCurrentTrack + 1 < mPlaylist.size())
 								playNext();
-								else {
-									if (!mBound)
-										stopSelf();
-									mPollingStatus = false;		
-								}
-							}
 						}
 					});
 		}
@@ -373,4 +406,20 @@ public class MediaRouterPlayService extends Service {
 		return mPlaylist;
 	}
 	
+	public void toggleShuffleEnabled() {
+		mShuffle = !mShuffle;
+	}
+	
+	public boolean getShuffleEnabled() {
+		return mShuffle;
+	}
+	
+	public void toggleRepeatEnabled() {
+		mRepeat = !mRepeat;
+	}
+	
+	public boolean getRepeatEnabled() {
+		return mRepeat;
+	}
+
 }