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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef ASH_COMMON_SYSTEM_USER_USER_OBSERVER_H_ | |
| 6 #define ASH_COMMON_SYSTEM_USER_USER_OBSERVER_H_ | |
| 7 | |
| 8 #include "ash/ash_export.h" | |
| 9 | |
| 10 namespace ash { | |
| 11 | |
| 12 class ASH_EXPORT UserObserver { | |
| 13 public: | |
| 14 virtual ~UserObserver() {} | |
| 15 | |
| 16 // A user got updated / changed. | |
| 17 virtual void OnUserUpdate() = 0; | |
| 18 | |
| 19 // A user was added to the existing session. | |
| 20 virtual void OnUserAddedToSession() = 0; | |
| 21 }; | |
| 22 | |
| 23 } // namespace ash | |
| 24 | |
| 25 #endif // ASH_COMMON_SYSTEM_USER_USER_OBSERVER_H_ | |
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