am 0f17d95e: am 9e070715: am f338fcba: Merge "Use the suggested stream if it\'s currently active" into lmp-mr1-dev

* commit '0f17d95e6fc0fb49fbaa87dbd3f04662e6d7e9cc':
  Use the suggested stream if it's currently active

1 files changed, 12 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/media/MediaSessionService.java b/services/core/java/com/android/server/media/MediaSessionService.java
index 02c9fcb5..ba18f48 100644
--- a/services/core/java/com/android/server/media/MediaSessionService.java
+++ b/services/core/java/com/android/server/media/MediaSessionService.java
@@ -805,7 +805,12 @@ public class MediaSessionService extends SystemService implements Monitor {
                         + flags + ", suggestedStream=" + suggestedStream);
 
             }
-            if (session == null) {
+            boolean preferSuggestedStream = false;
+            if (isValidLocalStreamType(suggestedStream)
+                    && AudioSystem.isStreamActive(suggestedStream, 0)) {
+                preferSuggestedStream = true;
+            }
+            if (session == null || preferSuggestedStream) {
                 if ((flags & AudioManager.FLAG_ACTIVE_MEDIA_ONLY) != 0
                         && !AudioSystem.isStreamActive(AudioManager.STREAM_MUSIC, 0)) {
                     if (DEBUG) {
@@ -959,6 +964,12 @@ public class MediaSessionService extends SystemService implements Monitor {
             return keyCode == KeyEvent.KEYCODE_HEADSETHOOK;
         }
 
+        // we only handle public stream types, which are 0-5
+        private boolean isValidLocalStreamType(int streamType) {
+            return streamType >= AudioManager.STREAM_VOICE_CALL
+                    && streamType <= AudioManager.STREAM_NOTIFICATION;
+        }
+
         private KeyEventWakeLockReceiver mKeyEventReceiver = new KeyEventWakeLockReceiver(mHandler);
 
         class KeyEventWakeLockReceiver extends ResultReceiver implements Runnable,