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1 /* | 1 /* |
2 * Copyright (C) 2008, 2011 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008, 2011 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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195 void resetScrollOriginChanged() { m_scrollOriginChanged = false; } | 195 void resetScrollOriginChanged() { m_scrollOriginChanged = false; } |
196 | 196 |
197 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) = 0; | 197 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) = 0; |
198 virtual void invalidateScrollCornerRect(const IntRect&) = 0; | 198 virtual void invalidateScrollCornerRect(const IntRect&) = 0; |
199 | 199 |
200 friend class ScrollingCoordinator; | 200 friend class ScrollingCoordinator; |
201 virtual GraphicsLayer* layerForScrolling() const { return 0; } | 201 virtual GraphicsLayer* layerForScrolling() const { return 0; } |
202 virtual GraphicsLayer* layerForHorizontalScrollbar() const { return 0; } | 202 virtual GraphicsLayer* layerForHorizontalScrollbar() const { return 0; } |
203 virtual GraphicsLayer* layerForVerticalScrollbar() const { return 0; } | 203 virtual GraphicsLayer* layerForVerticalScrollbar() const { return 0; } |
204 virtual GraphicsLayer* layerForScrollCorner() const { return 0; } | 204 virtual GraphicsLayer* layerForScrollCorner() const { return 0; } |
205 #if ENABLE(RUBBER_BANDING) | 205 #if USE(RUBBER_BANDING) |
206 virtual GraphicsLayer* layerForOverhangAreas() const { return 0; } | 206 virtual GraphicsLayer* layerForOverhangAreas() const { return 0; } |
207 #endif | 207 #endif |
208 bool hasLayerForHorizontalScrollbar() const; | 208 bool hasLayerForHorizontalScrollbar() const; |
209 bool hasLayerForVerticalScrollbar() const; | 209 bool hasLayerForVerticalScrollbar() const; |
210 bool hasLayerForScrollCorner() const; | 210 bool hasLayerForScrollCorner() const; |
211 | 211 |
212 private: | 212 private: |
213 void scrollPositionChanged(const IntPoint&); | 213 void scrollPositionChanged(const IntPoint&); |
214 | 214 |
215 // NOTE: Only called from the ScrollAnimator. | 215 // NOTE: Only called from the ScrollAnimator. |
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247 // vertical-lr / ltr NO NO | 247 // vertical-lr / ltr NO NO |
248 // vertical-lr / rtl NO YES | 248 // vertical-lr / rtl NO YES |
249 // vertical-rl / ltr YES NO | 249 // vertical-rl / ltr YES NO |
250 // vertical-rl / rtl YES YES | 250 // vertical-rl / rtl YES YES |
251 IntPoint m_scrollOrigin; | 251 IntPoint m_scrollOrigin; |
252 }; | 252 }; |
253 | 253 |
254 } // namespace WebCore | 254 } // namespace WebCore |
255 | 255 |
256 #endif // ScrollableArea_h | 256 #endif // ScrollableArea_h |
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