| // Copyright 2014 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_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_ |
| #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_ |
| |
| #include "base/id_map.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/time/time.h" |
| #include "content/common/content_export.h" |
| |
| namespace base { class SingleThreadTaskRunner; } |
| |
| namespace IPC { class Message; } |
| |
| namespace content { |
| class BrowserCompositorOutputSurface; |
| |
| // Directs vsync updates to the appropriate BrowserCompositorOutputSurface. |
| class CONTENT_EXPORT 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>; |
| friend class SoftwareBrowserCompositorOutputSurface; |
| ~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_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_PROXY_H_ |