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// Copyright (c) 2012 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_SYSTEM_DATE_CLOCK_OBSERVER_H_
#define ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_
namespace ash {
class ClockObserver {
public:
virtual ~ClockObserver() {}
virtual void OnDateFormatChanged() = 0;
virtual void OnSystemClockTimeUpdated() = 0;
// Force a refresh (e.g. after the system is resumed).
virtual void Refresh() = 0;
};
};
#endif // ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_
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