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// Copyright 2013 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 BASE_POWER_MONITOR_POWER_OBSERVER_H_
#define BASE_POWER_MONITOR_POWER_OBSERVER_H_
#include "base/base_export.h"
#include "base/compiler_specific.h"
namespace base {
class BASE_EXPORT PowerObserver {
public:
// Notification of a change in power status of the computer, such
// as from switching between battery and A/C power.
virtual void OnPowerStateChange(bool /*on_battery_power*/){};
// Notification that the system is suspending.
virtual void OnSuspend() {}
// Notification that the system is resuming.
virtual void OnResume() {}
protected:
virtual ~PowerObserver() = default;
};
} // namespace base
#endif // BASE_POWER_MONITOR_POWER_OBSERVER_H_