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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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_SHELF_WM_SHELF_OBSERVER_H_ | 5 #ifndef ASH_COMMON_SHELF_WM_SHELF_OBSERVER_H_ |
6 #define ASH_COMMON_SHELF_WM_SHELF_OBSERVER_H_ | 6 #define ASH_COMMON_SHELF_WM_SHELF_OBSERVER_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 #include "ash/common/shelf/shelf_types.h" | 9 #include "ash/common/shelf/shelf_types.h" |
10 #include "ash/common/wm/background_animator.h" | 10 #include "ash/common/wm/background_animator.h" |
11 | 11 |
12 namespace ash { | 12 namespace ash { |
13 | 13 |
14 // Used to observe changes to the shelf. | 14 // Used to observe changes to the shelf. |
15 class ASH_EXPORT WmShelfObserver { | 15 class ASH_EXPORT WmShelfObserver { |
16 public: | 16 public: |
17 virtual void OnBackgroundUpdated(ShelfBackgroundType background_type, | 17 virtual void OnBackgroundUpdated(ShelfBackgroundType background_type, |
18 BackgroundAnimatorChangeType change_type) {} | 18 BackgroundAnimatorChangeType change_type) {} |
19 virtual void WillChangeVisibilityState(ShelfVisibilityState new_state) {} | 19 virtual void WillChangeVisibilityState(ShelfVisibilityState new_state) {} |
| 20 virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) {} |
20 virtual void OnShelfIconPositionsChanged() {} | 21 virtual void OnShelfIconPositionsChanged() {} |
21 | 22 |
22 protected: | 23 protected: |
23 virtual ~WmShelfObserver() {} | 24 virtual ~WmShelfObserver() {} |
24 }; | 25 }; |
25 | 26 |
26 } // namespace ash | 27 } // namespace ash |
27 | 28 |
28 #endif // ASH_COMMON_SHELF_WM_SHELF_OBSERVER_H_ | 29 #endif // ASH_COMMON_SHELF_WM_SHELF_OBSERVER_H_ |
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