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ash / system / power / scoped_backlights_forced_off.h [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_POWER_SCOPED_BACKLIGHTS_FORCED_OFF_H_
#define ASH_SYSTEM_POWER_SCOPED_BACKLIGHTS_FORCED_OFF_H_
#include "ash/ash_export.h"
#include "base/functional/callback.h"
namespace ash {
// RAII-style class used to force the backlights off.
// Returned by BacklightsForcedOffSetter::ForceBacklightsOff.
class ASH_EXPORT ScopedBacklightsForcedOff {
public:
explicit ScopedBacklightsForcedOff(base::OnceClosure unregister_callback);
ScopedBacklightsForcedOff(const ScopedBacklightsForcedOff&) = delete;
ScopedBacklightsForcedOff& operator=(const ScopedBacklightsForcedOff&) =
delete;
~ScopedBacklightsForcedOff();
private:
// Callback that should be called in order for |this| to unregister backlights
// forced off request.
base::OnceClosure unregister_callback_;
};
} // namespace ash
#endif // ASH_SYSTEM_POWER_SCOPED_BACKLIGHTS_FORCED_OFF_H_