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ash / system / model / clock_observer.h [blame]
// Copyright 2012 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_MODEL_CLOCK_OBSERVER_H_
#define ASH_SYSTEM_MODEL_CLOCK_OBSERVER_H_
#include "ash/ash_export.h"
namespace ash {
class ASH_EXPORT ClockObserver {
public:
virtual ~ClockObserver() {}
virtual void OnDateFormatChanged() = 0;
virtual void OnSystemClockTimeUpdated() = 0;
virtual void OnSystemClockCanSetTimeChanged(bool can_set_time) = 0;
// Force a refresh (e.g. after the system is resumed).
virtual void Refresh() = 0;
};
} // namespace ash
#endif // ASH_SYSTEM_MODEL_CLOCK_OBSERVER_H_