Media Remoting: Update remoting interstitial when status changes.

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 "base/memory/weak_ptr.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace media {
 
-class VideoFrame;
 class VideoRendererSink;
 
+enum RemotingInterstitialType {
+  NONE,  // No interstitial is drawn. Show background image only.
+  SUCCESS,
+  FAIL,
+};
+
 class RemotingInterstitialUI {
  public:
-  RemotingInterstitialUI(VideoRendererSink* video_renderer_sink,
-                         const PipelineMetadata& pipeline_metadata);
+  explicit RemotingInterstitialUI(VideoRendererSink* video_renderer_sink);
   ~RemotingInterstitialUI();
 
-  void ShowInterstitial(bool is_remoting_successful);
+  // Draw remoting interstitial on |background_image| and show it.
+  // |background_image| will be scaled to fit in |canvas_size|, but keep its
+  // aspect ratio. When has different aspect ratio with |canvas_size|, scaled
+  // |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(const SkBitmap& background_image,
+                              const gfx::Size& canvas_size,
+                              RemotingInterstitialType interstial_type);
+
+  base::WeakPtr<RemotingInterstitialUI> GetWeakPtr() {
+    return weak_factory_.GetWeakPtr();
+  }
 
  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_;
+  base::WeakPtrFactory<RemotingInterstitialUI> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RemotingInterstitialUI);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_REMOTING_REMOTING_INTERSTITIAL_UI_H_