| // 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 UI_GL_GPU_SWITCHING_OBSERVER_H_ |
| #define UI_GL_GPU_SWITCHING_OBSERVER_H_ |
| |
| #include "ui/gl/gl_export.h" |
| #include "ui/gl/gpu_preference.h" |
| |
| namespace ui { |
| |
| class GL_EXPORT GpuSwitchingObserver { |
| public: |
| // Called for any observer when the system switches to a different GPU. |
| virtual void OnGpuSwitched(gl::GpuPreference active_gpu_heuristic) {} |
| |
| // Called for any observer when a monitor is plugged in. |
| virtual void OnDisplayAdded() {} |
| |
| // Called for any observer when a monitor is unplugged. |
| virtual void OnDisplayRemoved() {} |
| |
| // Called for any observer when the display metrics changed. |
| virtual void OnDisplayMetricsChanged() {} |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_GL_GPU_SWITCHING_OBSERVER_H_ |