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// 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 <memory>
#include "base/macros.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);
~BrowserSurfaceViewManager();
// 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);
// Synchronously notify the decoder that the surface is being destroyed so it
// can stop rendering to it. This sends a message to the GPU process. Without
// this, the MediaCodec decoder will start throwing IllegalStateException, and
// crash on some devices (http://crbug.com/598408). There is no way for us to
// make sure the surface outlives the decoder because Android initiates the
// destruction in some cases.
void SendDestroyingVideoSurfaceIfRequired(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.
std::unique_ptr<ContentVideoView> content_video_view_;
DISALLOW_COPY_AND_ASSIGN(BrowserSurfaceViewManager);
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_ANDROID_BROWSER_SURFACE_VIEW_MANAGER_H_
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