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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_ | 5 #ifndef ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_ |
| 6 #define ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_ | 6 #define ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_ |
| 7 | 7 |
| 8 namespace ash { | 8 namespace ash { |
| 9 | 9 |
| 10 class ClockObserver { | 10 class ClockObserver { |
| 11 public: | 11 public: |
| 12 virtual ~ClockObserver() {} | 12 virtual ~ClockObserver() {} |
| 13 | 13 |
| 14 virtual void OnDateFormatChanged() = 0; | 14 virtual void OnDateFormatChanged() = 0; |
| 15 virtual void OnSystemClockTimeUpdated() = 0; |
| 15 | 16 |
| 16 // Force a refresh (e.g. after the system is resumed). | 17 // Force a refresh (e.g. after the system is resumed). |
| 17 virtual void Refresh() = 0; | 18 virtual void Refresh() = 0; |
| 18 }; | 19 }; |
| 19 | 20 |
| 20 }; | 21 }; |
| 21 | 22 |
| 22 #endif // ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_ | 23 #endif // ASH_SYSTEM_DATE_CLOCK_OBSERVER_H_ |
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