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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 CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_THINNING_H_ | 5 #ifndef CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_THINNING_H_ |
6 #define CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_THINNING_H_ | 6 #define CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_THINNING_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "cc/animation/scrollbar_animation_controller.h" | 9 #include "cc/animation/scrollbar_animation_controller.h" |
10 #include "cc/base/cc_export.h" | 10 #include "cc/base/cc_export.h" |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 class LayerImpl; | 13 class LayerImpl; |
14 | 14 |
15 // Scrollbar animation that partially fades and thins after an idle delay, | 15 // Scrollbar animation that partially fades and thins after an idle delay, |
16 // and reacts to mouse movements. | 16 // and reacts to mouse movements. |
17 class CC_EXPORT ScrollbarAnimationControllerThinning | 17 class CC_EXPORT ScrollbarAnimationControllerThinning |
18 : public ScrollbarAnimationController { | 18 : public ScrollbarAnimationController { |
19 public: | 19 public: |
20 static scoped_ptr<ScrollbarAnimationControllerThinning> Create( | 20 static scoped_ptr<ScrollbarAnimationControllerThinning> Create( |
21 LayerImpl* scroll_layer, | 21 LayerImpl* scroll_layer, |
22 ScrollbarAnimationControllerClient* client, | 22 ScrollbarAnimationControllerClient* client, |
23 base::TimeDelta delay_before_starting, | 23 base::TimeDelta delay_before_starting, |
| 24 base::TimeDelta resize_delay_before_starting, |
24 base::TimeDelta duration); | 25 base::TimeDelta duration); |
25 | 26 |
26 virtual ~ScrollbarAnimationControllerThinning(); | 27 virtual ~ScrollbarAnimationControllerThinning(); |
27 | 28 |
28 void set_mouse_move_distance_for_test(float distance) { | 29 void set_mouse_move_distance_for_test(float distance) { |
29 mouse_move_distance_to_trigger_animation_ = distance; | 30 mouse_move_distance_to_trigger_animation_ = distance; |
30 } | 31 } |
31 bool mouse_is_over_scrollbar() const { return mouse_is_over_scrollbar_; } | 32 bool mouse_is_over_scrollbar() const { return mouse_is_over_scrollbar_; } |
32 bool mouse_is_near_scrollbar() const { return mouse_is_near_scrollbar_; } | 33 bool mouse_is_near_scrollbar() const { return mouse_is_near_scrollbar_; } |
33 | 34 |
34 virtual void DidScrollUpdate() OVERRIDE; | 35 virtual void DidScrollUpdate(bool on_resize) OVERRIDE; |
35 virtual void DidMouseMoveOffScrollbar() OVERRIDE; | 36 virtual void DidMouseMoveOffScrollbar() OVERRIDE; |
36 virtual void DidMouseMoveNear(float distance) OVERRIDE; | 37 virtual void DidMouseMoveNear(float distance) OVERRIDE; |
37 | 38 |
38 protected: | 39 protected: |
39 ScrollbarAnimationControllerThinning( | 40 ScrollbarAnimationControllerThinning( |
40 LayerImpl* scroll_layer, | 41 LayerImpl* scroll_layer, |
41 ScrollbarAnimationControllerClient* client, | 42 ScrollbarAnimationControllerClient* client, |
42 base::TimeDelta delay_before_starting, | 43 base::TimeDelta delay_before_starting, |
| 44 base::TimeDelta resize_delay_before_starting, |
43 base::TimeDelta duration); | 45 base::TimeDelta duration); |
44 | 46 |
45 virtual void RunAnimationFrame(float progress) OVERRIDE; | 47 virtual void RunAnimationFrame(float progress) OVERRIDE; |
46 | 48 |
47 private: | 49 private: |
48 // Describes whether the current animation should INCREASE (darken / thicken) | 50 // Describes whether the current animation should INCREASE (darken / thicken) |
49 // a bar or DECREASE it (lighten / thin). | 51 // a bar or DECREASE it (lighten / thin). |
50 enum AnimationChange { | 52 enum AnimationChange { |
51 NONE, | 53 NONE, |
52 INCREASE, | 54 INCREASE, |
(...skipping 17 matching lines...) Expand all Loading... |
70 AnimationChange opacity_change_; | 72 AnimationChange opacity_change_; |
71 // How close should the mouse be to the scrollbar before we thicken it. | 73 // How close should the mouse be to the scrollbar before we thicken it. |
72 float mouse_move_distance_to_trigger_animation_; | 74 float mouse_move_distance_to_trigger_animation_; |
73 | 75 |
74 DISALLOW_COPY_AND_ASSIGN(ScrollbarAnimationControllerThinning); | 76 DISALLOW_COPY_AND_ASSIGN(ScrollbarAnimationControllerThinning); |
75 }; | 77 }; |
76 | 78 |
77 } // namespace cc | 79 } // namespace cc |
78 | 80 |
79 #endif // CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_THINNING_H_ | 81 #endif // CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_THINNING_H_ |
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