Enable SurfaceView fullscreen video on Android with WebMediaPlayerImpl

content/browser/media/android/browser_surface_view_manager.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 CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_SURFACE_VIEW_MANAGER_H_
+#define CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_SURFACE_VIEW_MANAGER_H_
+
+#include <stdint.h>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/android/content_video_view.h"
+#include "content/common/content_export.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace content {
+
+class RenderFrameHost;
+
+// BrowserSurfaceViewManager creates and owns a ContentVideoView on behalf of
+// a fullscreen media player. Its SurfaceView is registered so that a decoder
+// in the GPU process can look it up and render to it.
+class CONTENT_EXPORT BrowserSurfaceViewManager
+    : public ContentVideoView::Client {
+ public:
+  explicit BrowserSurfaceViewManager(RenderFrameHost* render_frame_host);
+
+  // ContentVideoView::Client overrides.
+  void SetVideoSurface(gfx::ScopedJavaSurface surface) override;
+  void DidExitFullscreen(bool release_media_player) override;
+
+  void OnCreateFullscreenSurface(const gfx::Size& video_natural_size);
+  void OnNaturalSizeChanged(const gfx::Size& size);
+
+ private:
+  // Send a message to return the surface id to the caller.
+  bool SendSurfaceID(int surface_id);
+
+  RenderFrameHost* const render_frame_host_;
+
+  // The surface id of the ContentVideoView surface.
+  int surface_id_;
+
+  // The fullscreen view that contains a SurfaceView.
+  scoped_ptr<ContentVideoView> content_video_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserSurfaceViewManager);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_SURFACE_VIEW_MANAGER_H_