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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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_GTK_SLIDE_ANIMATOR_GTK_H_ | 14 #ifndef CHROME_BROWSER_GTK_SLIDE_ANIMATOR_GTK_H_ |
15 #define CHROME_BROWSER_GTK_SLIDE_ANIMATOR_GTK_H_ | 15 #define CHROME_BROWSER_GTK_SLIDE_ANIMATOR_GTK_H_ |
16 #pragma once | 16 #pragma once |
17 | 17 |
18 #include <gtk/gtk.h> | 18 #include <gtk/gtk.h> |
19 | 19 |
20 #include "app/animation_delegate.h" | |
21 #include "base/scoped_ptr.h" | 20 #include "base/scoped_ptr.h" |
22 #include "chrome/browser/gtk/owned_widget_gtk.h" | 21 #include "chrome/browser/gtk/owned_widget_gtk.h" |
| 22 #include "ui/base/animation/animation_delegate.h" |
23 | 23 |
| 24 namespace ui { |
24 class SlideAnimation; | 25 class SlideAnimation; |
| 26 } |
25 | 27 |
26 class SlideAnimatorGtk : public AnimationDelegate { | 28 class SlideAnimatorGtk : public ui::AnimationDelegate { |
27 public: | 29 public: |
28 class Delegate { | 30 class Delegate { |
29 public: | 31 public: |
30 // Called when a call to Close() finishes animating. | 32 // Called when a call to Close() finishes animating. |
31 virtual void Closed() = 0; | 33 virtual void Closed() = 0; |
32 | 34 |
33 protected: | 35 protected: |
34 virtual ~Delegate() {} | 36 virtual ~Delegate() {} |
35 }; | 37 }; |
36 | 38 |
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75 // Returns whether the widget is visible. | 77 // Returns whether the widget is visible. |
76 bool IsShowing(); | 78 bool IsShowing(); |
77 | 79 |
78 // Returns whether the widget is currently showing the close animation. | 80 // Returns whether the widget is currently showing the close animation. |
79 bool IsClosing(); | 81 bool IsClosing(); |
80 | 82 |
81 // Returns whether the widget is currently showing the open or close | 83 // Returns whether the widget is currently showing the open or close |
82 // animation. | 84 // animation. |
83 bool IsAnimating(); | 85 bool IsAnimating(); |
84 | 86 |
85 // AnimationDelegate implementation. | 87 // ui::AnimationDelegate implementation. |
86 virtual void AnimationProgressed(const Animation* animation); | 88 virtual void AnimationProgressed(const ui::Animation* animation); |
87 virtual void AnimationEnded(const Animation* animation); | 89 virtual void AnimationEnded(const ui::Animation* animation); |
88 | 90 |
89 // Used during testing; disable or enable animations (default is enabled). | 91 // Used during testing; disable or enable animations (default is enabled). |
90 static void SetAnimationsForTesting(bool enable); | 92 static void SetAnimationsForTesting(bool enable); |
91 | 93 |
92 private: | 94 private: |
93 static void OnChildSizeAllocate(GtkWidget* child, | 95 static void OnChildSizeAllocate(GtkWidget* child, |
94 GtkAllocation* allocation, | 96 GtkAllocation* allocation, |
95 SlideAnimatorGtk* slider); | 97 SlideAnimatorGtk* slider); |
96 | 98 |
97 scoped_ptr<SlideAnimation> animation_; | 99 scoped_ptr<ui::SlideAnimation> animation_; |
98 | 100 |
99 // The top level widget of the SlideAnimatorGtk. It is a GtkFixed. | 101 // The top level widget of the SlideAnimatorGtk. It is a GtkFixed. |
100 OwnedWidgetGtk widget_; | 102 OwnedWidgetGtk widget_; |
101 | 103 |
102 // 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 |
103 // |widget_|. | 105 // |widget_|. |
104 GtkWidget* child_; | 106 GtkWidget* child_; |
105 | 107 |
106 // The direction of the slide. | 108 // The direction of the slide. |
107 Direction direction_; | 109 Direction direction_; |
108 | 110 |
109 // The object to inform about certain events. It may be NULL. | 111 // The object to inform about certain events. It may be NULL. |
110 Delegate* delegate_; | 112 Delegate* delegate_; |
111 | 113 |
112 // 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 |
113 // 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 |
114 // 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 |
115 // 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. |
116 bool child_needs_move_; | 118 bool child_needs_move_; |
117 | 119 |
118 static bool animations_enabled_; | 120 static bool animations_enabled_; |
119 }; | 121 }; |
120 | 122 |
121 #endif // CHROME_BROWSER_GTK_SLIDE_ANIMATOR_GTK_H_ | 123 #endif // CHROME_BROWSER_GTK_SLIDE_ANIMATOR_GTK_H_ |
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