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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 ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_H_ | 5 #ifndef ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_H_ |
6 #define ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_H_ | 6 #define ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "ash/ash_export.h" | 10 #include "ash/ash_export.h" |
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40 const gfx::VectorIcon& icon_image); | 40 const gfx::VectorIcon& icon_image); |
41 | 41 |
42 // Returns true if the button is crossfading to new visuals set in | 42 // Returns true if the button is crossfading to new visuals set in |
43 // SetImage(). | 43 // SetImage(). |
44 bool IsAnimatingImageSwap() const; | 44 bool IsAnimatingImageSwap() const; |
45 | 45 |
46 // Sets the alpha to use for painting. Used to animate visibility changes. | 46 // Sets the alpha to use for painting. Used to animate visibility changes. |
47 void SetAlpha(int alpha); | 47 void SetAlpha(int alpha); |
48 | 48 |
49 // views::View overrides: | 49 // views::View overrides: |
50 gfx::Size GetPreferredSize() const override; | |
51 const char* GetClassName() const override; | 50 const char* GetClassName() const override; |
52 void OnPaint(gfx::Canvas* canvas) override; | 51 void OnPaint(gfx::Canvas* canvas) override; |
53 | 52 |
54 void set_paint_as_active(bool paint_as_active) { | 53 void set_paint_as_active(bool paint_as_active) { |
55 paint_as_active_ = paint_as_active; | 54 paint_as_active_ = paint_as_active; |
56 } | 55 } |
57 | 56 |
58 void set_use_light_images(bool light) { use_light_images_ = light; } | 57 void set_use_light_images(bool light) { use_light_images_ = light; } |
59 | 58 |
60 CaptionButtonIcon icon() const { return icon_; } | 59 CaptionButtonIcon icon() const { return icon_; } |
61 | 60 |
62 void set_size(const gfx::Size& size) { size_ = size; } | |
63 | |
64 protected: | 61 protected: |
65 // views::CustomButton override: | 62 // views::CustomButton override: |
66 void OnGestureEvent(ui::GestureEvent* event) override; | 63 void OnGestureEvent(ui::GestureEvent* event) override; |
67 | 64 |
68 private: | 65 private: |
69 // Determines what alpha to use for the icon based on animation and | 66 // Determines what alpha to use for the icon based on animation and |
70 // active state. | 67 // active state. |
71 int GetAlphaForIcon(int base_alpha) const; | 68 int GetAlphaForIcon(int base_alpha) const; |
72 | 69 |
73 // The button's current icon. | 70 // The button's current icon. |
74 CaptionButtonIcon icon_; | 71 CaptionButtonIcon icon_; |
75 | 72 |
76 // The size of the button. | |
77 gfx::Size size_; | |
78 | |
79 // Whether the button should be painted as active. | 73 // Whether the button should be painted as active. |
80 bool paint_as_active_; | 74 bool paint_as_active_; |
81 | 75 |
82 // Whether to paint in a lighter color (for use on dark backgrounds). | 76 // Whether to paint in a lighter color (for use on dark backgrounds). |
83 bool use_light_images_; | 77 bool use_light_images_; |
84 | 78 |
85 // Current alpha to use for painting. | 79 // Current alpha to use for painting. |
86 int alpha_; | 80 int alpha_; |
87 | 81 |
88 // The image id (kept for the purposes of testing) and image used to paint the | 82 // The image id (kept for the purposes of testing) and image used to paint the |
89 // button's icon. | 83 // button's icon. |
90 const gfx::VectorIcon* icon_definition_ = nullptr; | 84 const gfx::VectorIcon* icon_definition_ = nullptr; |
91 gfx::ImageSkia icon_image_; | 85 gfx::ImageSkia icon_image_; |
92 | 86 |
93 // The icon image to crossfade from. | 87 // The icon image to crossfade from. |
94 gfx::ImageSkia crossfade_icon_image_; | 88 gfx::ImageSkia crossfade_icon_image_; |
95 | 89 |
96 // Crossfade animation started when the button's images are changed by | 90 // Crossfade animation started when the button's images are changed by |
97 // SetImage(). | 91 // SetImage(). |
98 std::unique_ptr<gfx::SlideAnimation> swap_images_animation_; | 92 std::unique_ptr<gfx::SlideAnimation> swap_images_animation_; |
99 | 93 |
100 DISALLOW_COPY_AND_ASSIGN(FrameCaptionButton); | 94 DISALLOW_COPY_AND_ASSIGN(FrameCaptionButton); |
101 }; | 95 }; |
102 | 96 |
103 } // namespace ash | 97 } // namespace ash |
104 | 98 |
105 #endif // ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_H_ | 99 #endif // ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_H_ |
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