Media Remoting: Draw remoting interstitial on poster image.

media/remoting/remoting_interstitial_ui.h

 // Copyright 2016 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_REMOTING_REMOTING_INTERSTITIAL_UI_H_
 #define MEDIA_REMOTING_REMOTING_INTERSTITIAL_UI_H_
 
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "media/base/pipeline_metadata.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace media {
 
-class VideoFrame;
 class VideoRendererSink;
 
-class RemotingInterstitialUI {
- public:
-  RemotingInterstitialUI(VideoRendererSink* video_renderer_sink,
-                         const PipelineMetadata& pipeline_metadata);
-  ~RemotingInterstitialUI();
-
-  void ShowInterstitial(bool is_remoting_successful);
-
- private:
-  // Gets an 'interstitial' VideoFrame to paint on the media player when the
-  // video is being played remotely.
-  scoped_refptr<VideoFrame> GetInterstitial(const SkBitmap& background_image,
-                                            bool is_remoting_successful);
-
-  VideoRendererSink* const video_renderer_sink_;  // Outlives this class.
-  PipelineMetadata pipeline_metadata_;
-
-  DISALLOW_COPY_AND_ASSIGN(RemotingInterstitialUI);
-};
+// Draw remoting interstitial on |background_image| and show it.
+// |background_image| is already scaled to fit in |canvas_size|. No further
+// scaling will be done. When has different size with |canvas_size|,
+// |background_image| will be centered in the canvas. When |background_image| is
+// empty, interstitial will be drawn on a blank and black background.
+void ShowInterstitialOnSink(VideoRendererSink* video_renderer_sink,
+                            const SkBitmap& background_image,
+                            const gfx::Size& canvas_size,
+                            bool is_remoting_successful);
 
 }  // namespace media
 
 #endif  // MEDIA_REMOTING_REMOTING_INTERSTITIAL_UI_H_