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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_SHELF_BACKGROUND_ANIMATOR_H_ | 5 #ifndef ASH_SHELF_BACKGROUND_ANIMATOR_H_ |
6 #define ASH_SHELF_BACKGROUND_ANIMATOR_H_ | 6 #define ASH_SHELF_BACKGROUND_ANIMATOR_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "ui/base/animation/animation_delegate.h" | 10 #include "ui/gfx/animation/animation_delegate.h" |
11 #include "ui/base/animation/slide_animation.h" | 11 #include "ui/gfx/animation/slide_animation.h" |
12 | 12 |
13 namespace ash { | 13 namespace ash { |
14 namespace internal { | 14 namespace internal { |
15 | 15 |
16 // Delegate is notified any time the background changes. | 16 // Delegate is notified any time the background changes. |
17 class ASH_EXPORT BackgroundAnimatorDelegate { | 17 class ASH_EXPORT BackgroundAnimatorDelegate { |
18 public: | 18 public: |
19 virtual void UpdateBackground(int alpha) = 0; | 19 virtual void UpdateBackground(int alpha) = 0; |
20 | 20 |
21 protected: | 21 protected: |
22 virtual ~BackgroundAnimatorDelegate() {} | 22 virtual ~BackgroundAnimatorDelegate() {} |
23 }; | 23 }; |
24 | 24 |
25 // BackgroundAnimator is used by the shelf to animate the background (alpha). | 25 // BackgroundAnimator is used by the shelf to animate the background (alpha). |
26 class ASH_EXPORT BackgroundAnimator : public ui::AnimationDelegate { | 26 class ASH_EXPORT BackgroundAnimator : public gfx::AnimationDelegate { |
27 public: | 27 public: |
28 // How the background can be changed. | 28 // How the background can be changed. |
29 enum ChangeType { | 29 enum ChangeType { |
30 CHANGE_ANIMATE, | 30 CHANGE_ANIMATE, |
31 CHANGE_IMMEDIATE | 31 CHANGE_IMMEDIATE |
32 }; | 32 }; |
33 | 33 |
34 BackgroundAnimator(BackgroundAnimatorDelegate* delegate, | 34 BackgroundAnimator(BackgroundAnimatorDelegate* delegate, |
35 int min_alpha, | 35 int min_alpha, |
36 int max_alpha); | 36 int max_alpha); |
37 virtual ~BackgroundAnimator(); | 37 virtual ~BackgroundAnimator(); |
38 | 38 |
39 // Sets the transition time in ms. | 39 // Sets the transition time in ms. |
40 void SetDuration(int time_in_ms); | 40 void SetDuration(int time_in_ms); |
41 | 41 |
42 // Sets whether a background is rendered. Initial value is false. If |type| | 42 // Sets whether a background is rendered. Initial value is false. If |type| |
43 // is |CHANGE_IMMEDIATE| and an animation is not in progress this notifies | 43 // is |CHANGE_IMMEDIATE| and an animation is not in progress this notifies |
44 // the delegate immediately (synchronously from this method). | 44 // the delegate immediately (synchronously from this method). |
45 void SetPaintsBackground(bool value, ChangeType type); | 45 void SetPaintsBackground(bool value, ChangeType type); |
46 bool paints_background() const { return paints_background_; } | 46 bool paints_background() const { return paints_background_; } |
47 | 47 |
48 // Current alpha. | 48 // Current alpha. |
49 int alpha() const { return alpha_; } | 49 int alpha() const { return alpha_; } |
50 | 50 |
51 // ui::AnimationDelegate overrides: | 51 // gfx::AnimationDelegate overrides: |
52 virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE; | 52 virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE; |
53 | 53 |
54 private: | 54 private: |
55 BackgroundAnimatorDelegate* delegate_; | 55 BackgroundAnimatorDelegate* delegate_; |
56 | 56 |
57 const int min_alpha_; | 57 const int min_alpha_; |
58 const int max_alpha_; | 58 const int max_alpha_; |
59 | 59 |
60 ui::SlideAnimation animation_; | 60 gfx::SlideAnimation animation_; |
61 | 61 |
62 // Whether the background is painted. | 62 // Whether the background is painted. |
63 bool paints_background_; | 63 bool paints_background_; |
64 | 64 |
65 // Current alpha value of the background. | 65 // Current alpha value of the background. |
66 int alpha_; | 66 int alpha_; |
67 | 67 |
68 DISALLOW_COPY_AND_ASSIGN(BackgroundAnimator); | 68 DISALLOW_COPY_AND_ASSIGN(BackgroundAnimator); |
69 }; | 69 }; |
70 | 70 |
71 } // namespace internal | 71 } // namespace internal |
72 } // namespace ash | 72 } // namespace ash |
73 | 73 |
74 #endif // ASH_SHELF_BACKGROUND_ANIMATOR_H_ | 74 #endif // ASH_SHELF_BACKGROUND_ANIMATOR_H_ |
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