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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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87 | 87 |
88 // Returns parts of the scrollbar which must be repainted following a change | 88 // Returns parts of the scrollbar which must be repainted following a change |
89 // in the thumb position, given scroll positions before and after. | 89 // in the thumb position, given scroll positions before and after. |
90 virtual ScrollbarPart InvalidateOnThumbPositionChange( | 90 virtual ScrollbarPart InvalidateOnThumbPositionChange( |
91 const ScrollbarThemeClient&, | 91 const ScrollbarThemeClient&, |
92 float old_position, | 92 float old_position, |
93 float new_position) const { | 93 float new_position) const { |
94 return kAllParts; | 94 return kAllParts; |
95 } | 95 } |
96 | 96 |
97 // Returns parts of the scrollbar which must be repainted following a change | |
98 // in enabled state. | |
99 virtual ScrollbarPart InvalidateOnEnabledChange() const { return kAllParts; } | |
100 | |
101 virtual void PaintScrollCorner(GraphicsContext&, | 97 virtual void PaintScrollCorner(GraphicsContext&, |
102 const DisplayItemClient&, | 98 const DisplayItemClient&, |
103 const IntRect& corner_rect); | 99 const IntRect& corner_rect); |
104 virtual void PaintTickmarks(GraphicsContext&, | 100 virtual void PaintTickmarks(GraphicsContext&, |
105 const Scrollbar&, | 101 const Scrollbar&, |
106 const IntRect&); | 102 const IntRect&); |
107 | 103 |
108 virtual bool ShouldCenterOnThumb(const ScrollbarThemeClient&, | 104 virtual bool ShouldCenterOnThumb(const ScrollbarThemeClient&, |
109 const WebMouseEvent&); | 105 const WebMouseEvent&); |
110 virtual bool ShouldSnapBackToDragOrigin(const ScrollbarThemeClient&, | 106 virtual bool ShouldSnapBackToDragOrigin(const ScrollbarThemeClient&, |
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214 static DisplayItem::Type TrackPiecePartToDisplayItemType(ScrollbarPart); | 210 static DisplayItem::Type TrackPiecePartToDisplayItemType(ScrollbarPart); |
215 | 211 |
216 private: | 212 private: |
217 static ScrollbarTheme& | 213 static ScrollbarTheme& |
218 NativeTheme(); // Must be implemented to return the correct theme subclass. | 214 NativeTheme(); // Must be implemented to return the correct theme subclass. |
219 static bool g_mock_scrollbars_enabled_; | 215 static bool g_mock_scrollbars_enabled_; |
220 }; | 216 }; |
221 | 217 |
222 } // namespace blink | 218 } // namespace blink |
223 #endif | 219 #endif |
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