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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_COMMON_WM_LOCK_STATE_OBSERVER_H_ | 5 #ifndef ASH_WM_LOCK_STATE_OBSERVER_H_ |
6 #define ASH_COMMON_WM_LOCK_STATE_OBSERVER_H_ | 6 #define ASH_WM_LOCK_STATE_OBSERVER_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 | 9 |
10 namespace ash { | 10 namespace ash { |
11 | 11 |
12 // Interface for classes that want to be notified by LockStateController when | 12 // Interface for classes that want to be notified by LockStateController when |
13 // session-related events occur. | 13 // session-related events occur. |
14 class ASH_EXPORT LockStateObserver { | 14 class ASH_EXPORT LockStateObserver { |
15 public: | 15 public: |
16 enum EventType { | 16 enum EventType { |
17 EVENT_PRELOCK_ANIMATION_STARTED, | 17 EVENT_PRELOCK_ANIMATION_STARTED, |
18 EVENT_LOCK_ANIMATION_STARTED, | 18 EVENT_LOCK_ANIMATION_STARTED, |
19 EVENT_LOCK_ANIMATION_FINISHED, | 19 EVENT_LOCK_ANIMATION_FINISHED, |
20 }; | 20 }; |
21 | 21 |
22 virtual void OnLockStateEvent(EventType event) = 0; | 22 virtual void OnLockStateEvent(EventType event) = 0; |
23 virtual ~LockStateObserver() {} | 23 virtual ~LockStateObserver() {} |
24 }; | 24 }; |
25 | 25 |
26 } // namespace ash | 26 } // namespace ash |
27 | 27 |
28 #endif // ASH_COMMON_WM_LOCK_STATE_OBSERVER_H_ | 28 #endif // ASH_WM_LOCK_STATE_OBSERVER_H_ |
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