Free (and pause) audio resources when getting a phone call

media/base/android/media_player_listener.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_BASE_ANDROID_MEDIA_PLAYER_LISTENER_H_
 #define MEDIA_BASE_ANDROID_MEDIA_PLAYER_LISTENER_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 22 matching lines @@
 
   // Called by the Java MediaPlayerListener and mirrored to corresponding
   // callbacks.
   void OnMediaError(JNIEnv* /* env */, jobject /* obj */, jint error_type);
   void OnVideoSizeChanged(JNIEnv* /* env */, jobject /* obj */,
                           jint width, jint height);
   void OnBufferingUpdate(JNIEnv* /* env */, jobject /* obj */, jint percent);
   void OnPlaybackComplete(JNIEnv* /* env */, jobject /* obj */);
   void OnSeekComplete(JNIEnv* /* env */, jobject /* obj */);
   void OnMediaPrepared(JNIEnv* /* env */, jobject /* obj */);
+  void OnMediaInterrupted(JNIEnv* /* env */, jobject /* obj */);
 
   // Create a Java MediaPlayerListener object.
   void CreateMediaPlayerListener(jobject context, jobject media_player);
+  void ReleaseMediaPlayerListenerResources();
 
   // Register MediaPlayerListener in the system library loader.
   static bool RegisterMediaPlayerListener(JNIEnv* env);
 
  private:
   // The message loop where |media_player_| lives.
   scoped_refptr<base::MessageLoopProxy> message_loop_;
 
   // The MediaPlayerBridge object all the callbacks should be send to.
   base::WeakPtr<MediaPlayerBridge> media_player_;
 
+  base::android::ScopedJavaGlobalRef<jobject> j_media_player_listener_;
+
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerListener);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_PLAYER_LISTENER_H_