OLD | NEW |
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 UI_VIEWS_CONTROLS_GLOW_HOVER_CONTROLLER_H_ | 5 #ifndef UI_VIEWS_CONTROLS_GLOW_HOVER_CONTROLLER_H_ |
6 #define UI_VIEWS_CONTROLS_GLOW_HOVER_CONTROLLER_H_ | 6 #define UI_VIEWS_CONTROLS_GLOW_HOVER_CONTROLLER_H_ |
7 | 7 |
8 #include "ui/base/animation/animation_delegate.h" | 8 #include "ui/gfx/animation/animation_delegate.h" |
9 #include "ui/base/animation/slide_animation.h" | 9 #include "ui/gfx/animation/slide_animation.h" |
10 #include "ui/views/views_export.h" | 10 #include "ui/views/views_export.h" |
11 | 11 |
12 namespace gfx { | 12 namespace gfx { |
13 class Canvas; | 13 class Canvas; |
14 class ImageSkia; | 14 class ImageSkia; |
15 class Point; | 15 class Point; |
16 } | 16 } |
17 | 17 |
18 namespace views { | 18 namespace views { |
19 | 19 |
20 class View; | 20 class View; |
21 | 21 |
22 // GlowHoverController is responsible for drawing a hover effect as is used by | 22 // GlowHoverController is responsible for drawing a hover effect as is used by |
23 // the tabstrip. Typical usage: | 23 // the tabstrip. Typical usage: |
24 // OnMouseEntered() -> invoke Show(). | 24 // OnMouseEntered() -> invoke Show(). |
25 // OnMouseMoved() -> invoke SetLocation(). | 25 // OnMouseMoved() -> invoke SetLocation(). |
26 // OnMouseExited() -> invoke Hide(). | 26 // OnMouseExited() -> invoke Hide(). |
27 // OnPaint() -> if ShouldDraw() returns true invoke Draw(). | 27 // OnPaint() -> if ShouldDraw() returns true invoke Draw(). |
28 // Internally GlowHoverController uses an animation to animate the glow and | 28 // Internally GlowHoverController uses an animation to animate the glow and |
29 // invokes SchedulePaint() back on the View as necessary. | 29 // invokes SchedulePaint() back on the View as necessary. |
30 class VIEWS_EXPORT GlowHoverController : public ui::AnimationDelegate { | 30 class VIEWS_EXPORT GlowHoverController : public gfx::AnimationDelegate { |
31 public: | 31 public: |
32 enum Style { | 32 enum Style { |
33 SUBTLE, | 33 SUBTLE, |
34 PRONOUNCED | 34 PRONOUNCED |
35 }; | 35 }; |
36 | 36 |
37 explicit GlowHoverController(views::View* view); | 37 explicit GlowHoverController(views::View* view); |
38 virtual ~GlowHoverController(); | 38 virtual ~GlowHoverController(); |
39 | 39 |
40 // Sets the AnimationContainer used by the animation. | 40 // Sets the AnimationContainer used by the animation. |
41 void SetAnimationContainer(ui::AnimationContainer* container); | 41 void SetAnimationContainer(gfx::AnimationContainer* container); |
42 | 42 |
43 // Sets the location of the hover, relative to the View passed to the | 43 // Sets the location of the hover, relative to the View passed to the |
44 // constructor. | 44 // constructor. |
45 void SetLocation(const gfx::Point& location); | 45 void SetLocation(const gfx::Point& location); |
46 | 46 |
47 // Initiates showing the hover. | 47 // Initiates showing the hover. |
48 void Show(Style style); | 48 void Show(Style style); |
49 | 49 |
50 // Hides the hover. | 50 // Hides the hover. |
51 void Hide(); | 51 void Hide(); |
52 | 52 |
53 // Hides the hover immediately. | 53 // Hides the hover immediately. |
54 void HideImmediately(); | 54 void HideImmediately(); |
55 | 55 |
56 // Returns the value of the animation. | 56 // Returns the value of the animation. |
57 double GetAnimationValue() const; | 57 double GetAnimationValue() const; |
58 | 58 |
59 // Returns true if there is something to be drawn. Use this instead of | 59 // Returns true if there is something to be drawn. Use this instead of |
60 // invoking Draw() if creating |mask_image| is expensive. | 60 // invoking Draw() if creating |mask_image| is expensive. |
61 bool ShouldDraw() const; | 61 bool ShouldDraw() const; |
62 | 62 |
63 // If the hover is currently visible it is drawn to the supplied canvas. | 63 // If the hover is currently visible it is drawn to the supplied canvas. |
64 // |mask_image| is used to determine what parts of the canvas to draw on. | 64 // |mask_image| is used to determine what parts of the canvas to draw on. |
65 void Draw(gfx::Canvas* canvas, const gfx::ImageSkia& mask_image) const; | 65 void Draw(gfx::Canvas* canvas, const gfx::ImageSkia& mask_image) const; |
66 | 66 |
67 // ui::AnimationDelegate overrides: | 67 // gfx::AnimationDelegate overrides: |
68 virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE; | 68 virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE; |
69 virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE; | 69 virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE; |
70 | 70 |
71 private: | 71 private: |
72 // View we're drawing to. | 72 // View we're drawing to. |
73 views::View* view_; | 73 views::View* view_; |
74 | 74 |
75 // Opacity of the glow ramps up over time. | 75 // Opacity of the glow ramps up over time. |
76 ui::SlideAnimation animation_; | 76 gfx::SlideAnimation animation_; |
77 | 77 |
78 // Location of the glow, relative to view. | 78 // Location of the glow, relative to view. |
79 gfx::Point location_; | 79 gfx::Point location_; |
80 double opacity_scale_; | 80 double opacity_scale_; |
81 | 81 |
82 DISALLOW_COPY_AND_ASSIGN(GlowHoverController); | 82 DISALLOW_COPY_AND_ASSIGN(GlowHoverController); |
83 }; | 83 }; |
84 | 84 |
85 } // namespace views | 85 } // namespace views |
86 | 86 |
87 #endif // UI_VIEWS_CONTROLS_GLOW_HOVER_CONTROLLER_H_ | 87 #endif // UI_VIEWS_CONTROLS_GLOW_HOVER_CONTROLLER_H_ |
OLD | NEW |