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- // 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:
- virtual ~GpuSwitchingObserver() = default;
- // 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_
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