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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_SHELF_BACKGROUND_ANIMATOR_OBSERVER_H_ | 5 #ifndef ASH_SHELF_SHELF_BACKGROUND_ANIMATOR_OBSERVER_H_ |
6 #define ASH_COMMON_SHELF_SHELF_BACKGROUND_ANIMATOR_OBSERVER_H_ | 6 #define ASH_SHELF_SHELF_BACKGROUND_ANIMATOR_OBSERVER_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 #include "third_party/skia/include/core/SkColor.h" | 9 #include "third_party/skia/include/core/SkColor.h" |
10 | 10 |
11 namespace ash { | 11 namespace ash { |
12 | 12 |
13 // Observer for the ShelfBackgroundAnimator class. | 13 // Observer for the ShelfBackgroundAnimator class. |
14 class ASH_EXPORT ShelfBackgroundAnimatorObserver { | 14 class ASH_EXPORT ShelfBackgroundAnimatorObserver { |
15 public: | 15 public: |
16 // Called when the Shelf's background should be updated. | 16 // Called when the Shelf's background should be updated. |
17 virtual void UpdateShelfBackground(SkColor color) {} | 17 virtual void UpdateShelfBackground(SkColor color) {} |
18 | 18 |
19 // Called when the Shelf item (aka button) backgrounds should be updated. | 19 // Called when the Shelf item (aka button) backgrounds should be updated. |
20 virtual void UpdateShelfItemBackground(SkColor color) {} | 20 virtual void UpdateShelfItemBackground(SkColor color) {} |
21 | 21 |
22 protected: | 22 protected: |
23 virtual ~ShelfBackgroundAnimatorObserver() {} | 23 virtual ~ShelfBackgroundAnimatorObserver() {} |
24 }; | 24 }; |
25 | 25 |
26 } // namespace ash | 26 } // namespace ash |
27 | 27 |
28 #endif // ASH_COMMON_SHELF_SHELF_BACKGROUND_ANIMATOR_OBSERVER_H_ | 28 #endif // ASH_SHELF_SHELF_BACKGROUND_ANIMATOR_OBSERVER_H_ |
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