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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights
reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 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@gmail.com> | 9 * Christian Biesinger <cbiesinger@gmail.com> |
10 * Randall Jesup <rjesup@wgate.com> | 10 * Randall Jesup <rjesup@wgate.com> |
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1227 m_resizer = LayoutScrollbarPart::createAnonymous(&box().document()); | 1227 m_resizer = LayoutScrollbarPart::createAnonymous(&box().document()); |
1228 m_resizer->setDangerousOneWayParent(&box()); | 1228 m_resizer->setDangerousOneWayParent(&box()); |
1229 } | 1229 } |
1230 m_resizer->setStyleWithWritingModeOfParent(resizer.release()); | 1230 m_resizer->setStyleWithWritingModeOfParent(resizer.release()); |
1231 } else if (m_resizer) { | 1231 } else if (m_resizer) { |
1232 m_resizer->destroy(); | 1232 m_resizer->destroy(); |
1233 m_resizer = nullptr; | 1233 m_resizer = nullptr; |
1234 } | 1234 } |
1235 } | 1235 } |
1236 | 1236 |
| 1237 void PaintLayerScrollableArea::invalidateAllStickyConstraints() |
| 1238 { |
| 1239 if (PaintLayerScrollableAreaRareData* d = rareData()) { |
| 1240 for (PaintLayer* stickyLayer : d->m_stickyConstraintsMap.keys()) { |
| 1241 if (stickyLayer->layoutObject()->style()->position() == StickyPositi
on) |
| 1242 stickyLayer->setNeedsCompositingInputsUpdate(); |
| 1243 } |
| 1244 d->m_stickyConstraintsMap.clear(); |
| 1245 } |
| 1246 } |
| 1247 |
| 1248 void PaintLayerScrollableArea::invalidateStickyConstraintsFor(PaintLayer* layer,
bool needsCompositingUpdate) |
| 1249 { |
| 1250 if (PaintLayerScrollableAreaRareData* d = rareData()) { |
| 1251 d->m_stickyConstraintsMap.remove(layer); |
| 1252 if (needsCompositingUpdate && layer->layoutObject()->style()->position()
== StickyPosition) |
| 1253 layer->setNeedsCompositingInputsUpdate(); |
| 1254 } |
| 1255 } |
| 1256 |
1237 IntSize PaintLayerScrollableArea::offsetFromResizeCorner(const IntPoint& absolut
ePoint) const | 1257 IntSize PaintLayerScrollableArea::offsetFromResizeCorner(const IntPoint& absolut
ePoint) const |
1238 { | 1258 { |
1239 // Currently the resize corner is either the bottom right corner or the bott
om left corner. | 1259 // Currently the resize corner is either the bottom right corner or the bott
om left corner. |
1240 // FIXME: This assumes the location is 0, 0. Is this guaranteed to always be
the case? | 1260 // FIXME: This assumes the location is 0, 0. Is this guaranteed to always be
the case? |
1241 IntSize elementSize = layer()->size(); | 1261 IntSize elementSize = layer()->size(); |
1242 if (box().shouldPlaceBlockDirectionScrollbarOnLogicalLeft()) | 1262 if (box().shouldPlaceBlockDirectionScrollbarOnLogicalLeft()) |
1243 elementSize.setWidth(0); | 1263 elementSize.setWidth(0); |
1244 IntPoint resizerPoint = IntPoint(elementSize); | 1264 IntPoint resizerPoint = IntPoint(elementSize); |
1245 IntPoint localPoint = roundedIntPoint(box().absoluteToLocal(absolutePoint, U
seTransforms)); | 1265 IntPoint localPoint = roundedIntPoint(box().absoluteToLocal(absolutePoint, U
seTransforms)); |
1246 return localPoint - resizerPoint; | 1266 return localPoint - resizerPoint; |
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1585 } | 1605 } |
1586 | 1606 |
1587 DEFINE_TRACE(PaintLayerScrollableArea::ScrollbarManager) | 1607 DEFINE_TRACE(PaintLayerScrollableArea::ScrollbarManager) |
1588 { | 1608 { |
1589 visitor->trace(m_scrollableArea); | 1609 visitor->trace(m_scrollableArea); |
1590 visitor->trace(m_hBar); | 1610 visitor->trace(m_hBar); |
1591 visitor->trace(m_vBar); | 1611 visitor->trace(m_vBar); |
1592 } | 1612 } |
1593 | 1613 |
1594 } // namespace blink | 1614 } // namespace blink |
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