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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. |
3 * Copyright (C) 2008 Collabora Ltd. All rights reserved. | 3 * Copyright (C) 2008 Collabora Ltd. All rights reserved. |
4 * Copyright (C) 2013 Google Inc. All rights reserved. | 4 * Copyright (C) 2013 Google Inc. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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87 virtual bool isPluginContainer() const { return false; } | 87 virtual bool isPluginContainer() const { return false; } |
88 virtual bool isScrollbar() const { return false; } | 88 virtual bool isScrollbar() const { return false; } |
89 | 89 |
90 virtual void setParent(Widget*); | 90 virtual void setParent(Widget*); |
91 Widget* parent() const { return m_parent; } | 91 Widget* parent() const { return m_parent; } |
92 Widget* root() const; | 92 Widget* root() const; |
93 | 93 |
94 virtual void handleEvent(Event*) { } | 94 virtual void handleEvent(Event*) { } |
95 | 95 |
96 // It is important for cross-platform code to realize that Mac has flipped c
oordinates. Therefore any code | 96 // It is important for cross-platform code to realize that Mac has flipped c
oordinates. Therefore any code |
97 // that tries to convert the location of a rect using the point-based conver
tFromContainingWindow will end | 97 // that tries to convert the location of a rect using the point-based conver
tFromRootFrame will end |
98 // up with an inaccurate rect. Always make sure to use the rect-based conver
tFromContainingWindow method | 98 // up with an inaccurate rect. Always make sure to use the rect-based conver
tFromRootFrame method |
99 // when converting window rects. | 99 // when converting window rects. |
100 IntRect convertToContainingWindow(const IntRect&) const; | 100 IntRect convertToRootFrame(const IntRect&) const; |
101 IntRect convertFromContainingWindow(const IntRect&) const; | 101 IntRect convertFromRootFrame(const IntRect&) const; |
102 | 102 |
103 IntPoint convertToContainingWindow(const IntPoint&) const; | 103 IntPoint convertToRootFrame(const IntPoint&) const; |
104 IntPoint convertFromContainingWindow(const IntPoint&) const; | 104 IntPoint convertFromRootFrame(const IntPoint&) const; |
105 FloatPoint convertFromContainingWindow(const FloatPoint&) const; | 105 FloatPoint convertFromRootFrame(const FloatPoint&) const; |
106 | 106 |
107 virtual void frameRectsChanged() { } | 107 virtual void frameRectsChanged() { } |
108 | 108 |
109 // Notifies this widget that other widgets on the page have been repositione
d. | 109 // Notifies this widget that other widgets on the page have been repositione
d. |
110 virtual void widgetPositionsUpdated() { } | 110 virtual void widgetPositionsUpdated() { } |
111 | 111 |
112 // Virtual methods to convert points to/from the containing Widget | 112 virtual IntRect convertToContainingWidget(const IntRect&) const; |
113 virtual IntRect convertToContainingView(const IntRect&) const; | 113 virtual IntRect convertFromContainingWidget(const IntRect&) const; |
114 virtual IntRect convertFromContainingView(const IntRect&) const; | 114 virtual IntPoint convertToContainingWidget(const IntPoint&) const; |
115 virtual IntPoint convertToContainingView(const IntPoint&) const; | 115 virtual IntPoint convertFromContainingWidget(const IntPoint&) const; |
116 virtual IntPoint convertFromContainingView(const IntPoint&) const; | |
117 | 116 |
118 // Virtual methods to convert points to/from child widgets | 117 // Virtual methods to convert points to/from child widgets |
119 virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const; | 118 virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const; |
120 virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const; | 119 virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const; |
121 | 120 |
122 // Notifies this widget that it will no longer be receiving events. | 121 // Notifies this widget that it will no longer be receiving events. |
123 virtual void eventListenersRemoved() { } | 122 virtual void eventListenersRemoved() { } |
124 | 123 |
125 DECLARE_VIRTUAL_TRACE(); | 124 DECLARE_VIRTUAL_TRACE(); |
126 virtual void dispose() { } | 125 virtual void dispose() { } |
127 | 126 |
128 private: | 127 private: |
129 RawPtrWillBeMember<Widget> m_parent; | 128 RawPtrWillBeMember<Widget> m_parent; |
130 IntRect m_frame; | 129 IntRect m_frame; |
131 bool m_selfVisible; | 130 bool m_selfVisible; |
132 bool m_parentVisible; | 131 bool m_parentVisible; |
133 }; | 132 }; |
134 | 133 |
135 } // namespace blink | 134 } // namespace blink |
136 | 135 |
137 #endif // Widget_h | 136 #endif // Widget_h |
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