Move android mediaplayer from render process to browser process.

media/base/android/media_player_listener.h

Index: media/base/android/media_player_listener.h
diff --git a/media/base/android/media_player_listener.h b/media/base/android/media_player_listener.h
new file mode 100644
index 0000000000000000000000000000000000000000..6aa1f595f5441d0760cd78d7ee1e007739e73515
--- /dev/null
+++ b/media/base/android/media_player_listener.h
@@ -0,0 +1,62 @@
+// 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"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+
+namespace base {
+class MessageLoopProxy;
+}
+
+namespace media {
+
+class MediaPlayerBridge;
+
+// Acts as a thread proxy between java MediaPlayerListener object and
+// MediaPlayerBridge so that callbacks are posted onto the UI thread.
+class MediaPlayerListener {
+ public:
+  // Construct a native MediaPlayerListener object. Callbacks from the java
+  // side object will be forwarded to |mediaplayer| by posting a task on the

[scherkus (not reviewing), 2012/09/11 11:56:25]

s/mediaplayer/media_player/ here + below in arg list

[qinmin, 2012/09/12 23:12:52]

Done.

+  // |message_loop|.
+  MediaPlayerListener(
+      const scoped_refptr<base::MessageLoopProxy>& message_loop,
+      base::WeakPtr<MediaPlayerBridge> mediaplayer);
+ virtual ~MediaPlayerListener();
+
+  // 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 */);
+
+  // Create a Java MediaPlayerListener object.
+  base::android::ScopedJavaLocalRef<jobject> CreateMediaPlayerListener();
+
+  // 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_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaPlayerListener);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_ANDROID_MEDIA_PLAYER_LISTENER_H_