Upstream WebMediaPlayerAndroid as WebKit::WebMediaPlayer implementation on android.

webkit/media/android/webmediaplayer_proxy_android.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 WEBKIT_MEDIA_ANDROID_WEBMEDIAPLAYER_PROXY_ANDROID_H_
+#define WEBKIT_MEDIA_ANDROID_WEBMEDIAPLAYER_PROXY_ANDROID_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+
+namespace base {
+class MessageLoopProxy;
+}
+
+namespace webkit_media {
+
+class WebMediaPlayerAndroid;
+
+// Acts as a thread proxy between media::MediaPlayerBridge and
+// WebMediaPlayerAndroid so that callbacks are posted onto the render thread.
+class WebMediaPlayerProxyAndroid
+    : public base::RefCountedThreadSafe<WebMediaPlayerProxyAndroid> {
+ public:
+  WebMediaPlayerProxyAndroid(
+      const scoped_refptr<base::MessageLoopProxy>& render_loop,
+      base::WeakPtr<WebMediaPlayerAndroid> webmediaplayer);
+
+  // Callbacks from media::MediaPlayerBridge to WebMediaPlayerAndroid.
+  void MediaErrorCallback(int error_type);
+  void MediaInfoCallback(int info_type);
+  void VideoSizeChangedCallback(int width, int height);
+  void BufferingUpdateCallback(int percent);
+  void PlaybackCompleteCallback();
+  void SeekCompleteCallback();
+  void MediaPreparedCallback();
+
+ private:
+  friend class base::RefCountedThreadSafe<WebMediaPlayerProxyAndroid>;
+  virtual ~WebMediaPlayerProxyAndroid();
+
+  // Notify |webmediaplayer_| that an error has occured.
+  void MediaErrorTask(int error_type);
+
+  // Notify |webmediaplayer_| that some info has been received from
+  // media::MediaPlayerBridge.
+  void MediaInfoTask(int info_type);
+
+  // Notify |webmediaplayer_| that the video size has changed.
+  void VideoSizeChangedTask(int width, int height);
+
+  // Notify |webmediaplayer_| that an update in buffering has occured.
+  void BufferingUpdateTask(int percent);
+
+  // Notify |webmediaplayer_| that playback has completed.
+  void PlaybackCompleteTask();
+
+  // Notify |webmediaplayer_| that seek has completed.
+  void SeekCompleteTask();
+
+  // Notify |webmediaplayer_| that media has been prepared successfully.
+  void MediaPreparedTask();
+
+  // The render message loop where WebKit lives.
+  scoped_refptr<base::MessageLoopProxy> render_loop_;
+
+  // The WebMediaPlayerAndroid object all the callbacks should be send to.
+  base::WeakPtr<WebMediaPlayerAndroid> webmediaplayer_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerProxyAndroid);
+};
+
+}  // namespace webkit_media
+
+#endif  // WEBKIT_MEDIA_ANDROID_WEBMEDIAPLAYER_PROXY_ANDROID_H_