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display_shutdown_observer.h
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display_shutdown_observer.h
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// Copyright 2016 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 ASH_DISPLAY_DISPLAY_SHUTDOWN_OBSERVER_H_
#define ASH_DISPLAY_DISPLAY_SHUTDOWN_OBSERVER_H_
#include "ash/session/session_observer.h"
#include "base/macros.h"
namespace display {
class DisplayConfigurator;
}
namespace ash {
// Adds self as SessionObserver and listens for OnChromeTerminating() on
// behalf of |display_configurator_|.
class DisplayShutdownObserver : public SessionObserver {
public:
explicit DisplayShutdownObserver(
display::DisplayConfigurator* display_configurator);
~DisplayShutdownObserver() override;
private:
// SessionObserver:
void OnChromeTerminating() override;
display::DisplayConfigurator* const display_configurator_;
ScopedSessionObserver scoped_session_observer_;
DISALLOW_COPY_AND_ASSIGN(DisplayShutdownObserver);
};
} // namespace ash
#endif // ASH_DISPLAY_DISPLAY_SHUTDOWN_OBSERVER_H_