| // Copyright (c) 2012 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 UI_GL_GPU_SWITCHING_MANAGER_H_ |
| #define UI_GL_GPU_SWITCHING_MANAGER_H_ |
| |
| #include "base/memory/singleton.h" |
| #include "base/observer_list.h" |
| #include "build/build_config.h" |
| #include "ui/gl/gl_export.h" |
| #include "ui/gl/gpu_switching_observer.h" |
| |
| namespace ui { |
| |
| class GL_EXPORT GpuSwitchingManager { |
| public: |
| // Getter for the singleton. This will return NULL on failure. |
| static GpuSwitchingManager* GetInstance(); |
| |
| void AddObserver(GpuSwitchingObserver* observer); |
| void RemoveObserver(GpuSwitchingObserver* observer); |
| |
| // Called when a GPU switch is noticed by the system. In the browser process |
| // this is occurs as a result of a system observer. In the GPU process, this |
| // occurs as a result of an IPC from the browser. The system observer is kept |
| // in the browser process only so that any workarounds or blacklisting can |
| // be applied there. |
| void NotifyGpuSwitched(); |
| |
| private: |
| friend struct base::DefaultSingletonTraits<GpuSwitchingManager>; |
| |
| GpuSwitchingManager(); |
| virtual ~GpuSwitchingManager(); |
| |
| base::ObserverList<GpuSwitchingObserver> observer_list_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuSwitchingManager); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_GL_GPU_SWITCHING_MANAGER_H_ |