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1 /* | 1 /* |
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
3 * (C) 2000 Antti Koivisto (koivisto@kde.org) | 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2000 Dirk Mueller (mueller@kde.org) | 4 * (C) 2000 Dirk Mueller (mueller@kde.org) |
5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com) | 5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com) |
6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All r ights reserved. | 6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All r ights reserved. |
7 * Copyright (C) 2009 Google Inc. All rights reserved. | 7 * Copyright (C) 2009 Google Inc. All rights reserved. |
8 * | 8 * |
9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
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558 return m_bitfields.needsPositionedMovementLayout() && !m_bitfields.selfN eedsLayout() && !m_bitfields.normalChildNeedsLayout() | 558 return m_bitfields.needsPositionedMovementLayout() && !m_bitfields.selfN eedsLayout() && !m_bitfields.normalChildNeedsLayout() |
559 && !m_bitfields.posChildNeedsLayout() && !m_bitfields.needsSimplifie dNormalFlowLayout(); | 559 && !m_bitfields.posChildNeedsLayout() && !m_bitfields.needsSimplifie dNormalFlowLayout(); |
560 } | 560 } |
561 | 561 |
562 bool posChildNeedsLayout() const { return m_bitfields.posChildNeedsLayout(); } | 562 bool posChildNeedsLayout() const { return m_bitfields.posChildNeedsLayout(); } |
563 bool needsSimplifiedNormalFlowLayout() const { return m_bitfields.needsSimpl ifiedNormalFlowLayout(); } | 563 bool needsSimplifiedNormalFlowLayout() const { return m_bitfields.needsSimpl ifiedNormalFlowLayout(); } |
564 bool normalChildNeedsLayout() const { return m_bitfields.normalChildNeedsLay out(); } | 564 bool normalChildNeedsLayout() const { return m_bitfields.normalChildNeedsLay out(); } |
565 | 565 |
566 bool preferredLogicalWidthsDirty() const { return m_bitfields.preferredLogic alWidthsDirty(); } | 566 bool preferredLogicalWidthsDirty() const { return m_bitfields.preferredLogic alWidthsDirty(); } |
567 | 567 |
568 bool needsOverflowRecalcAfterStyleChange() const { return m_bitfields.selfNe edsOverflowRecalcAfterStyleChange() || m_bitfields.childNeedsOverflowRecalcAfter StyleChange(); } | |
569 bool selfNeedsOverflowRecalcAfterStyleChange() const { return m_bitfields.se lfNeedsOverflowRecalcAfterStyleChange(); } | |
570 bool childNeedsOverflowRecalcAfterStyleChange() const { return m_bitfields.c hildNeedsOverflowRecalcAfterStyleChange(); } | |
571 | |
568 bool isSelectionBorder() const; | 572 bool isSelectionBorder() const; |
569 | 573 |
570 bool hasClip() const { return isOutOfFlowPositioned() && style()->hasClip(); } | 574 bool hasClip() const { return isOutOfFlowPositioned() && style()->hasClip(); } |
571 bool hasOverflowClip() const { return m_bitfields.hasOverflowClip(); } | 575 bool hasOverflowClip() const { return m_bitfields.hasOverflowClip(); } |
572 bool hasClipOrOverflowClip() const { return hasClip() || hasOverflowClip(); } | 576 bool hasClipOrOverflowClip() const { return hasClip() || hasOverflowClip(); } |
573 | 577 |
574 bool hasTransform() const { return m_bitfields.hasTransform(); } | 578 bool hasTransform() const { return m_bitfields.hasTransform(); } |
575 bool hasMask() const { return style() && style()->hasMask(); } | 579 bool hasMask() const { return style() && style()->hasMask(); } |
576 bool hasClipPath() const { return style() && style()->clipPath(); } | 580 bool hasClipPath() const { return style() && style()->clipPath(); } |
577 bool hasHiddenBackface() const { return style() && style()->backfaceVisibili ty() == BackfaceVisibilityHidden; } | 581 bool hasHiddenBackface() const { return style() && style()->backfaceVisibili ty() == BackfaceVisibilityHidden; } |
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627 | 631 |
628 virtual RenderObject* hoverAncestor() const { return parent(); } | 632 virtual RenderObject* hoverAncestor() const { return parent(); } |
629 | 633 |
630 Element* offsetParent() const; | 634 Element* offsetParent() const; |
631 | 635 |
632 void markContainingBlocksForLayout(bool scheduleRelayout = true, RenderObjec t* newRoot = 0, SubtreeLayoutScope* = 0); | 636 void markContainingBlocksForLayout(bool scheduleRelayout = true, RenderObjec t* newRoot = 0, SubtreeLayoutScope* = 0); |
633 void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayou tScope* = 0); | 637 void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayou tScope* = 0); |
634 void clearNeedsLayout(); | 638 void clearNeedsLayout(); |
635 void setChildNeedsLayout(MarkingBehavior = MarkContainingBlockChain, Subtree LayoutScope* = 0); | 639 void setChildNeedsLayout(MarkingBehavior = MarkContainingBlockChain, Subtree LayoutScope* = 0); |
636 void setNeedsPositionedMovementLayout(); | 640 void setNeedsPositionedMovementLayout(); |
637 void setNeedsSimplifiedNormalFlowLayout(); | |
638 void setPreferredLogicalWidthsDirty(MarkingBehavior = MarkContainingBlockCha in); | 641 void setPreferredLogicalWidthsDirty(MarkingBehavior = MarkContainingBlockCha in); |
639 void clearPreferredLogicalWidthsDirty(); | 642 void clearPreferredLogicalWidthsDirty(); |
640 void invalidateContainerPreferredLogicalWidths(); | 643 void invalidateContainerPreferredLogicalWidths(); |
641 | 644 |
642 void setNeedsLayoutAndPrefWidthsRecalc() | 645 void setNeedsLayoutAndPrefWidthsRecalc() |
643 { | 646 { |
644 setNeedsLayout(); | 647 setNeedsLayout(); |
645 setPreferredLogicalWidthsDirty(); | 648 setPreferredLogicalWidthsDirty(); |
646 } | 649 } |
647 | 650 |
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1004 | 1007 |
1005 void clearRepaintState(); | 1008 void clearRepaintState(); |
1006 | 1009 |
1007 // layoutDidGetCalled indicates whether this render object was re-laid-out | 1010 // layoutDidGetCalled indicates whether this render object was re-laid-out |
1008 // since the last call to setLayoutDidGetCalled(false) on this object. | 1011 // since the last call to setLayoutDidGetCalled(false) on this object. |
1009 bool layoutDidGetCalled() { return m_bitfields.layoutDidGetCalled(); } | 1012 bool layoutDidGetCalled() { return m_bitfields.layoutDidGetCalled(); } |
1010 void setLayoutDidGetCalled(bool b) { m_bitfields.setLayoutDidGetCalled(b); } | 1013 void setLayoutDidGetCalled(bool b) { m_bitfields.setLayoutDidGetCalled(b); } |
1011 | 1014 |
1012 bool shouldDisableLayoutState() const { return hasColumns() || hasTransform( ) || hasReflection() || style()->isFlippedBlocksWritingMode(); } | 1015 bool shouldDisableLayoutState() const { return hasColumns() || hasTransform( ) || hasReflection() || style()->isFlippedBlocksWritingMode(); } |
1013 | 1016 |
1017 void setNeedsOverflowRecalcAfterStyleChange(); | |
1018 void markContainingBlocksForOverflowRecalc(); | |
1019 | |
1014 protected: | 1020 protected: |
1015 inline bool layerCreationAllowedForSubtree() const; | 1021 inline bool layerCreationAllowedForSubtree() const; |
1016 | 1022 |
1017 // Overrides should call the superclass at the end. m_style will be 0 the fi rst time | 1023 // Overrides should call the superclass at the end. m_style will be 0 the fi rst time |
1018 // this function will be called. | 1024 // this function will be called. |
1019 virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle); | 1025 virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle); |
1020 // Overrides should call the superclass at the start. |oldStyle| will be 0 t he first | 1026 // Overrides should call the superclass at the start. |oldStyle| will be 0 t he first |
1021 // time this function is called. | 1027 // time this function is called. |
1022 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); | 1028 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); |
1023 void propagateStyleToAnonymousChildren(bool blockChildrenOnly = false); | 1029 void propagateStyleToAnonymousChildren(bool blockChildrenOnly = false); |
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1121 , m_shouldDoFullRepaintAfterLayout(false) | 1127 , m_shouldDoFullRepaintAfterLayout(false) |
1122 , m_shouldRepaintOverflow(false) | 1128 , m_shouldRepaintOverflow(false) |
1123 , m_shouldDoFullRepaintIfSelfPaintingLayer(false) | 1129 , m_shouldDoFullRepaintIfSelfPaintingLayer(false) |
1124 , m_onlyNeededPositionedMovementLayout(false) | 1130 , m_onlyNeededPositionedMovementLayout(false) |
1125 , m_needsPositionedMovementLayout(false) | 1131 , m_needsPositionedMovementLayout(false) |
1126 , m_normalChildNeedsLayout(false) | 1132 , m_normalChildNeedsLayout(false) |
1127 , m_posChildNeedsLayout(false) | 1133 , m_posChildNeedsLayout(false) |
1128 , m_needsSimplifiedNormalFlowLayout(false) | 1134 , m_needsSimplifiedNormalFlowLayout(false) |
1129 , m_preferredLogicalWidthsDirty(false) | 1135 , m_preferredLogicalWidthsDirty(false) |
1130 , m_floating(false) | 1136 , m_floating(false) |
1137 , m_selfNeedsOverflowRecalcAfterStyleChange(false) | |
1138 , m_childNeedsOverflowRecalcAfterStyleChange(false) | |
1131 , m_isAnonymous(!node) | 1139 , m_isAnonymous(!node) |
1132 , m_isText(false) | 1140 , m_isText(false) |
1133 , m_isBox(false) | 1141 , m_isBox(false) |
1134 , m_isInline(true) | 1142 , m_isInline(true) |
1135 , m_isReplaced(false) | 1143 , m_isReplaced(false) |
1136 , m_horizontalWritingMode(true) | 1144 , m_horizontalWritingMode(true) |
1137 , m_isDragging(false) | 1145 , m_isDragging(false) |
1138 , m_hasLayer(false) | 1146 , m_hasLayer(false) |
1139 , m_hasOverflowClip(false) | 1147 , m_hasOverflowClip(false) |
1140 , m_hasTransform(false) | 1148 , m_hasTransform(false) |
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1158 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintAfterLayout, ShouldDoFullRepaint AfterLayout); | 1166 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintAfterLayout, ShouldDoFullRepaint AfterLayout); |
1159 ADD_BOOLEAN_BITFIELD(shouldRepaintOverflow, ShouldRepaintOverflow); | 1167 ADD_BOOLEAN_BITFIELD(shouldRepaintOverflow, ShouldRepaintOverflow); |
1160 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintIfSelfPaintingLayer, ShouldDoFul lRepaintIfSelfPaintingLayer); | 1168 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintIfSelfPaintingLayer, ShouldDoFul lRepaintIfSelfPaintingLayer); |
1161 ADD_BOOLEAN_BITFIELD(onlyNeededPositionedMovementLayout, OnlyNeededPosit ionedMovementLayout); | 1169 ADD_BOOLEAN_BITFIELD(onlyNeededPositionedMovementLayout, OnlyNeededPosit ionedMovementLayout); |
1162 ADD_BOOLEAN_BITFIELD(needsPositionedMovementLayout, NeedsPositionedMovem entLayout); | 1170 ADD_BOOLEAN_BITFIELD(needsPositionedMovementLayout, NeedsPositionedMovem entLayout); |
1163 ADD_BOOLEAN_BITFIELD(normalChildNeedsLayout, NormalChildNeedsLayout); | 1171 ADD_BOOLEAN_BITFIELD(normalChildNeedsLayout, NormalChildNeedsLayout); |
1164 ADD_BOOLEAN_BITFIELD(posChildNeedsLayout, PosChildNeedsLayout); | 1172 ADD_BOOLEAN_BITFIELD(posChildNeedsLayout, PosChildNeedsLayout); |
1165 ADD_BOOLEAN_BITFIELD(needsSimplifiedNormalFlowLayout, NeedsSimplifiedNor malFlowLayout); | 1173 ADD_BOOLEAN_BITFIELD(needsSimplifiedNormalFlowLayout, NeedsSimplifiedNor malFlowLayout); |
1166 ADD_BOOLEAN_BITFIELD(preferredLogicalWidthsDirty, PreferredLogicalWidths Dirty); | 1174 ADD_BOOLEAN_BITFIELD(preferredLogicalWidthsDirty, PreferredLogicalWidths Dirty); |
1167 ADD_BOOLEAN_BITFIELD(floating, Floating); | 1175 ADD_BOOLEAN_BITFIELD(floating, Floating); |
1176 ADD_BOOLEAN_BITFIELD(selfNeedsOverflowRecalcAfterStyleChange, SelfNeedsO verflowRecalcAfterStyleChange); | |
1177 ADD_BOOLEAN_BITFIELD(childNeedsOverflowRecalcAfterStyleChange, ChildNeed sOverflowRecalcAfterStyleChange); | |
1168 | 1178 |
1169 ADD_BOOLEAN_BITFIELD(isAnonymous, IsAnonymous); | 1179 ADD_BOOLEAN_BITFIELD(isAnonymous, IsAnonymous); |
1170 ADD_BOOLEAN_BITFIELD(isText, IsText); | 1180 ADD_BOOLEAN_BITFIELD(isText, IsText); |
1171 ADD_BOOLEAN_BITFIELD(isBox, IsBox); | 1181 ADD_BOOLEAN_BITFIELD(isBox, IsBox); |
1172 ADD_BOOLEAN_BITFIELD(isInline, IsInline); | 1182 ADD_BOOLEAN_BITFIELD(isInline, IsInline); |
1173 ADD_BOOLEAN_BITFIELD(isReplaced, IsReplaced); | 1183 ADD_BOOLEAN_BITFIELD(isReplaced, IsReplaced); |
1174 ADD_BOOLEAN_BITFIELD(horizontalWritingMode, HorizontalWritingMode); | 1184 ADD_BOOLEAN_BITFIELD(horizontalWritingMode, HorizontalWritingMode); |
1175 ADD_BOOLEAN_BITFIELD(isDragging, IsDragging); | 1185 ADD_BOOLEAN_BITFIELD(isDragging, IsDragging); |
1176 | 1186 |
1177 ADD_BOOLEAN_BITFIELD(hasLayer, HasLayer); | 1187 ADD_BOOLEAN_BITFIELD(hasLayer, HasLayer); |
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1222 }; | 1232 }; |
1223 | 1233 |
1224 #undef ADD_BOOLEAN_BITFIELD | 1234 #undef ADD_BOOLEAN_BITFIELD |
1225 | 1235 |
1226 RenderObjectBitfields m_bitfields; | 1236 RenderObjectBitfields m_bitfields; |
1227 | 1237 |
1228 void setSelfNeedsLayout(bool b) { m_bitfields.setSelfNeedsLayout(b); } | 1238 void setSelfNeedsLayout(bool b) { m_bitfields.setSelfNeedsLayout(b); } |
1229 void setNeedsPositionedMovementLayout(bool b) { m_bitfields.setNeedsPosition edMovementLayout(b); } | 1239 void setNeedsPositionedMovementLayout(bool b) { m_bitfields.setNeedsPosition edMovementLayout(b); } |
1230 void setNormalChildNeedsLayout(bool b) { m_bitfields.setNormalChildNeedsLayo ut(b); } | 1240 void setNormalChildNeedsLayout(bool b) { m_bitfields.setNormalChildNeedsLayo ut(b); } |
1231 void setPosChildNeedsLayout(bool b) { m_bitfields.setPosChildNeedsLayout(b); } | 1241 void setPosChildNeedsLayout(bool b) { m_bitfields.setPosChildNeedsLayout(b); } |
1232 void setNeedsSimplifiedNormalFlowLayout(bool b) { m_bitfields.setNeedsSimpli fiedNormalFlowLayout(b); } | 1242 void setNeedsSimplifiedNormalFlowLayout(bool b) { m_bitfields.setNeedsSimpli fiedNormalFlowLayout(b); } |
ojan
2014/04/19 02:19:30
Can you delete this as well? And of course all the
trchen
2014/04/19 05:08:21
It still serves a purpose to indicate that "some R
| |
1233 void setIsDragging(bool b) { m_bitfields.setIsDragging(b); } | 1243 void setIsDragging(bool b) { m_bitfields.setIsDragging(b); } |
1234 void setEverHadLayout(bool b) { m_bitfields.setEverHadLayout(b); } | 1244 void setEverHadLayout(bool b) { m_bitfields.setEverHadLayout(b); } |
1235 void setShouldRepaintOverflow(bool b) { m_bitfields.setShouldRepaintOverflow (b); } | 1245 void setShouldRepaintOverflow(bool b) { m_bitfields.setShouldRepaintOverflow (b); } |
1246 void setSelfNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setSel fNeedsOverflowRecalcAfterStyleChange(b); } | |
1247 void setChildNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setCh ildNeedsOverflowRecalcAfterStyleChange(b); } | |
1236 | 1248 |
1237 private: | 1249 private: |
1238 // Store state between styleWillChange and styleDidChange | 1250 // Store state between styleWillChange and styleDidChange |
1239 static bool s_affectsParentBlock; | 1251 static bool s_affectsParentBlock; |
1240 | 1252 |
1241 // This stores the repaint rect from the previous layout. | 1253 // This stores the repaint rect from the previous layout. |
1242 LayoutRect m_previousRepaintRect; | 1254 LayoutRect m_previousRepaintRect; |
1243 }; | 1255 }; |
1244 | 1256 |
1245 // Allow equality comparisons of RenderObject's by reference or pointer, interch angeably. | 1257 // Allow equality comparisons of RenderObject's by reference or pointer, interch angeably. |
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1327 bool alreadyNeededLayout = needsPositionedMovementLayout(); | 1339 bool alreadyNeededLayout = needsPositionedMovementLayout(); |
1328 setNeedsPositionedMovementLayout(true); | 1340 setNeedsPositionedMovementLayout(true); |
1329 ASSERT(!isSetNeedsLayoutForbidden()); | 1341 ASSERT(!isSetNeedsLayoutForbidden()); |
1330 if (!alreadyNeededLayout) { | 1342 if (!alreadyNeededLayout) { |
1331 markContainingBlocksForLayout(); | 1343 markContainingBlocksForLayout(); |
1332 if (hasLayer()) | 1344 if (hasLayer()) |
1333 setLayerNeedsFullRepaintForPositionedMovementLayout(); | 1345 setLayerNeedsFullRepaintForPositionedMovementLayout(); |
1334 } | 1346 } |
1335 } | 1347 } |
1336 | 1348 |
1337 inline void RenderObject::setNeedsSimplifiedNormalFlowLayout() | |
1338 { | |
1339 bool alreadyNeededLayout = needsSimplifiedNormalFlowLayout(); | |
1340 setNeedsSimplifiedNormalFlowLayout(true); | |
1341 ASSERT(!isSetNeedsLayoutForbidden()); | |
1342 if (!alreadyNeededLayout) { | |
1343 markContainingBlocksForLayout(); | |
1344 if (hasLayer()) | |
1345 setLayerNeedsFullRepaint(); | |
1346 } | |
1347 } | |
1348 | |
1349 inline bool RenderObject::preservesNewline() const | 1349 inline bool RenderObject::preservesNewline() const |
1350 { | 1350 { |
1351 if (isSVGInlineText()) | 1351 if (isSVGInlineText()) |
1352 return false; | 1352 return false; |
1353 | 1353 |
1354 return style()->preserveNewline(); | 1354 return style()->preserveNewline(); |
1355 } | 1355 } |
1356 | 1356 |
1357 inline bool RenderObject::layerCreationAllowedForSubtree() const | 1357 inline bool RenderObject::layerCreationAllowedForSubtree() const |
1358 { | 1358 { |
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1442 void showTree(const WebCore::RenderObject*); | 1442 void showTree(const WebCore::RenderObject*); |
1443 void showLineTree(const WebCore::RenderObject*); | 1443 void showLineTree(const WebCore::RenderObject*); |
1444 void showRenderTree(const WebCore::RenderObject* object1); | 1444 void showRenderTree(const WebCore::RenderObject* object1); |
1445 // We don't make object2 an optional parameter so that showRenderTree | 1445 // We don't make object2 an optional parameter so that showRenderTree |
1446 // can be called from gdb easily. | 1446 // can be called from gdb easily. |
1447 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderO bject* object2); | 1447 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderO bject* object2); |
1448 | 1448 |
1449 #endif | 1449 #endif |
1450 | 1450 |
1451 #endif // RenderObject_h | 1451 #endif // RenderObject_h |
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