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1 /* | 1 /* |
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
5 * | 5 * |
6 * Other contributors: | 6 * Other contributors: |
7 * Robert O'Callahan <roc+@cs.cmu.edu> | 7 * Robert O'Callahan <roc+@cs.cmu.edu> |
8 * David Baron <dbaron@fas.harvard.edu> | 8 * David Baron <dbaron@fas.harvard.edu> |
9 * Christian Biesinger <cbiesinger@web.de> | 9 * Christian Biesinger <cbiesinger@web.de> |
10 * Randall Jesup <rjesup@wgate.com> | 10 * Randall Jesup <rjesup@wgate.com> |
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231 unsigned m_scrollDimensionsDirty : 1; | 231 unsigned m_scrollDimensionsDirty : 1; |
232 unsigned m_inOverflowRelayout : 1; | 232 unsigned m_inOverflowRelayout : 1; |
233 | 233 |
234 RenderLayer* m_nextTopmostScrollChild; | 234 RenderLayer* m_nextTopmostScrollChild; |
235 RenderLayer* m_topmostScrollChild; | 235 RenderLayer* m_topmostScrollChild; |
236 | 236 |
237 // FIXME: once cc can handle composited scrolling with clip paths, we will | 237 // FIXME: once cc can handle composited scrolling with clip paths, we will |
238 // no longer need this bit. | 238 // no longer need this bit. |
239 unsigned m_needsCompositedScrolling : 1; | 239 unsigned m_needsCompositedScrolling : 1; |
240 | 240 |
| 241 unsigned m_horizontalScrollbarRectChanged : 1; |
| 242 unsigned m_verticalScrollbarRectChanged : 1; |
| 243 |
241 // The width/height of our scrolled area. | 244 // The width/height of our scrolled area. |
242 LayoutRect m_overflowRect; | 245 LayoutRect m_overflowRect; |
243 | 246 |
244 // This is the (scroll) offset from scrollOrigin(). | 247 // This is the (scroll) offset from scrollOrigin(). |
245 DoubleSize m_scrollOffset; | 248 DoubleSize m_scrollOffset; |
246 | 249 |
247 IntPoint m_cachedOverlayScrollbarOffset; | 250 IntPoint m_cachedOverlayScrollbarOffset; |
248 | 251 |
249 // For areas with overflow, we have a pair of scrollbars. | 252 // For areas with overflow, we have a pair of scrollbars. |
250 RefPtrWillBePersistent<Scrollbar> m_hBar; | 253 RefPtrWillBePersistent<Scrollbar> m_hBar; |
251 RefPtrWillBePersistent<Scrollbar> m_vBar; | 254 RefPtrWillBePersistent<Scrollbar> m_vBar; |
252 | 255 |
253 // Renderers to hold our custom scroll corner. | 256 // Renderers to hold our custom scroll corner. |
254 RawPtrWillBePersistent<RenderScrollbarPart> m_scrollCorner; | 257 RawPtrWillBePersistent<RenderScrollbarPart> m_scrollCorner; |
255 | 258 |
256 // Renderers to hold our custom resizer. | 259 // Renderers to hold our custom resizer. |
257 RawPtrWillBePersistent<RenderScrollbarPart> m_resizer; | 260 RawPtrWillBePersistent<RenderScrollbarPart> m_resizer; |
258 }; | 261 }; |
259 | 262 |
260 } // namespace blink | 263 } // namespace blink |
261 | 264 |
262 #endif // RenderLayerScrollableArea_h | 265 #endif // RenderLayerScrollableArea_h |
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