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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // A helper class for animating the display of native widget content. | 5 // A helper class for animating the display of native widget content. |
6 // Currently only handle vertical sliding, but could be extended to handle | 6 // Currently only handle vertical sliding, but could be extended to handle |
7 // horizontal slides or other types of animations. | 7 // horizontal slides or other types of animations. |
8 // | 8 // |
9 // NOTE: This does not handle clipping. If you are not careful, you will | 9 // NOTE: This does not handle clipping. If you are not careful, you will |
10 // wind up with visibly overlapping widgets. If you need clipping, you can | 10 // wind up with visibly overlapping widgets. If you need clipping, you can |
11 // extend the constructor to take an option to give |fixed| its own GdkWindow | 11 // extend the constructor to take an option to give |fixed| its own GdkWindow |
12 // (via gtk_fixed_set_has_window). | 12 // (via gtk_fixed_set_has_window). |
13 | 13 |
14 #ifndef CHROME_BROWSER_UI_GTK_SLIDE_ANIMATOR_GTK_H_ | 14 #ifndef CHROME_BROWSER_UI_GTK_SLIDE_ANIMATOR_GTK_H_ |
15 #define CHROME_BROWSER_UI_GTK_SLIDE_ANIMATOR_GTK_H_ | 15 #define CHROME_BROWSER_UI_GTK_SLIDE_ANIMATOR_GTK_H_ |
16 | 16 |
17 #include <gtk/gtk.h> | 17 #include <gtk/gtk.h> |
18 | 18 |
19 #include "base/compiler_specific.h" | 19 #include "base/compiler_specific.h" |
20 #include "base/memory/scoped_ptr.h" | 20 #include "base/memory/scoped_ptr.h" |
21 #include "ui/base/animation/animation_delegate.h" | |
22 #include "ui/base/gtk/owned_widget_gtk.h" | 21 #include "ui/base/gtk/owned_widget_gtk.h" |
| 22 #include "ui/gfx/animation/animation_delegate.h" |
23 | 23 |
24 namespace ui { | 24 namespace gfx { |
25 class SlideAnimation; | 25 class SlideAnimation; |
26 } | 26 } |
27 | 27 |
28 class SlideAnimatorGtk : public ui::AnimationDelegate { | 28 class SlideAnimatorGtk : public gfx::AnimationDelegate { |
29 public: | 29 public: |
30 class Delegate { | 30 class Delegate { |
31 public: | 31 public: |
32 // Called when a call to Close() finishes animating. | 32 // Called when a call to Close() finishes animating. |
33 virtual void Closed() = 0; | 33 virtual void Closed() = 0; |
34 | 34 |
35 protected: | 35 protected: |
36 virtual ~Delegate() {} | 36 virtual ~Delegate() {} |
37 }; | 37 }; |
38 | 38 |
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77 // Returns whether the widget is visible. | 77 // Returns whether the widget is visible. |
78 bool IsShowing(); | 78 bool IsShowing(); |
79 | 79 |
80 // Returns whether the widget is currently showing the close animation. | 80 // Returns whether the widget is currently showing the close animation. |
81 bool IsClosing(); | 81 bool IsClosing(); |
82 | 82 |
83 // Returns whether the widget is currently showing the open or close | 83 // Returns whether the widget is currently showing the open or close |
84 // animation. | 84 // animation. |
85 bool IsAnimating(); | 85 bool IsAnimating(); |
86 | 86 |
87 // ui::AnimationDelegate implementation. | 87 // gfx::AnimationDelegate implementation. |
88 virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE; | 88 virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE; |
89 virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE; | 89 virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE; |
90 | 90 |
91 // Used during testing; disable or enable animations (default is enabled). | 91 // Used during testing; disable or enable animations (default is enabled). |
92 static void SetAnimationsForTesting(bool enable); | 92 static void SetAnimationsForTesting(bool enable); |
93 | 93 |
94 private: | 94 private: |
95 static void OnChildSizeAllocate(GtkWidget* child, | 95 static void OnChildSizeAllocate(GtkWidget* child, |
96 GtkAllocation* allocation, | 96 GtkAllocation* allocation, |
97 SlideAnimatorGtk* slider); | 97 SlideAnimatorGtk* slider); |
98 | 98 |
99 scoped_ptr<ui::SlideAnimation> animation_; | 99 scoped_ptr<gfx::SlideAnimation> animation_; |
100 | 100 |
101 // The top level widget of the SlideAnimatorGtk. It is a GtkFixed. | 101 // The top level widget of the SlideAnimatorGtk. It is a GtkFixed. |
102 ui::OwnedWidgetGtk widget_; | 102 ui::OwnedWidgetGtk widget_; |
103 | 103 |
104 // The widget passed to us at construction time, and the only direct child of | 104 // The widget passed to us at construction time, and the only direct child of |
105 // |widget_|. | 105 // |widget_|. |
106 GtkWidget* child_; | 106 GtkWidget* child_; |
107 | 107 |
108 // The direction of the slide. | 108 // The direction of the slide. |
109 Direction direction_; | 109 Direction direction_; |
110 | 110 |
111 // The object to inform about certain events. It may be NULL. | 111 // The object to inform about certain events. It may be NULL. |
112 Delegate* delegate_; | 112 Delegate* delegate_; |
113 | 113 |
114 // We need to move the child widget to (0, -height), but we don't know its | 114 // We need to move the child widget to (0, -height), but we don't know its |
115 // height until it has been allocated. This variable will be true until the | 115 // height until it has been allocated. This variable will be true until the |
116 // child widget has been allocated, at which point we will move it, and then | 116 // child widget has been allocated, at which point we will move it, and then |
117 // set this variable to false to indicate it should not be moved again. | 117 // set this variable to false to indicate it should not be moved again. |
118 bool child_needs_move_; | 118 bool child_needs_move_; |
119 | 119 |
120 static bool animations_enabled_; | 120 static bool animations_enabled_; |
121 }; | 121 }; |
122 | 122 |
123 #endif // CHROME_BROWSER_UI_GTK_SLIDE_ANIMATOR_GTK_H_ | 123 #endif // CHROME_BROWSER_UI_GTK_SLIDE_ANIMATOR_GTK_H_ |
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