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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:
// 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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