Handle media keys in PlaybackActivities

Avoids the overhead of the broadcast when the activity has focus

src/org/kreed/vanilla/MediaButtonHandler.java

@@ -139,15 +139,10 @@ public class MediaButtonHandler implements Handler.Callback {
 	}
 
 	/**
-	 * Process a MediaButton broadcast.
+	 * Process a media button key press.
-	 *
-	 * @param intent The intent that was broadcast
-	 * @return True if the intent was handled and the broadcast should be
-	 * aborted.
 	 */
-	public boolean process(Intent intent)
+	public boolean processKey(KeyEvent event)
 	{
-		KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
 		if (event == null || isInCall() || !useHeadsetControls())
 			return false;
 
@@ -184,6 +179,19 @@ public class MediaButtonHandler implements Handler.Callback {
 		return true;
 	}
 
+	/**
+	 * Process a MediaButton broadcast.
+	 *
+	 * @param intent The intent that was broadcast
+	 * @return True if the intent was handled and the broadcast should be
+	 * aborted.
+	 */
+	public boolean process(Intent intent)
+	{
+		KeyEvent event = intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
+		return processKey(event);
+	}
+
 	/**
 	 * A delayed message that performs the single press action after the double
 	 * click period has expired.

src/org/kreed/vanilla/PlaybackActivity.java

@@ -93,6 +93,34 @@ public class PlaybackActivity extends Activity implements Handler.Callback, View
 		return false;
 	}
 
+	@Override
+	public boolean onKeyDown(int keyCode, KeyEvent event)
+	{
+		switch (keyCode) {
+		case KeyEvent.KEYCODE_HEADSETHOOK:
+		case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
+		case KeyEvent.KEYCODE_MEDIA_NEXT:
+		case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
+			return MediaButtonHandler.getInstance().processKey(event);
+		}
+
+		return super.onKeyDown(keyCode, event);
+	}
+
+	@Override
+	public boolean onKeyUp(int keyCode, KeyEvent event)
+	{
+		switch (keyCode) {
+		case KeyEvent.KEYCODE_HEADSETHOOK:
+		case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
+		case KeyEvent.KEYCODE_MEDIA_NEXT:
+		case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
+			return MediaButtonHandler.getInstance().processKey(event);
+		}
+
+		return super.onKeyUp(keyCode, event);
+	}
+
 	@Override
 	public boolean onKeyLongPress(int keyCode, KeyEvent event)
 	{