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// Copyright (c) 2013 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_AURA_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_
#define CONTENT_BROWSER_AURA_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_
#include "base/id_map.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
namespace base { class SingleThreadTaskRunner; }
namespace IPC { class Message; }
namespace content {
class BrowserCompositorOutputSurface;
// Directs vsync updates to the appropriate BrowserCompositorOutputSurface.
class BrowserCompositorOutputSurfaceProxy
: public base::RefCountedThreadSafe<BrowserCompositorOutputSurfaceProxy> {
public:
BrowserCompositorOutputSurfaceProxy(
IDMap<BrowserCompositorOutputSurface>* surface_map);
// Call this before each OutputSurface is created to ensure that the
// proxy is connected to the current host.
void ConnectToGpuProcessHost(
base::SingleThreadTaskRunner* compositor_thread_task_runner);
private:
friend class base::RefCountedThreadSafe<BrowserCompositorOutputSurfaceProxy>;
~BrowserCompositorOutputSurfaceProxy();
void OnMessageReceivedOnCompositorThread(const IPC::Message& message);
void OnUpdateVSyncParametersOnCompositorThread(int surface_id,
base::TimeTicks timebase,
base::TimeDelta interval);
IDMap<BrowserCompositorOutputSurface>* surface_map_;
int connected_to_gpu_process_host_id_;
DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurfaceProxy);
};
} // namespace content
#endif // CONTENT_BROWSER_AURA_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_
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