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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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541 return m_bitfields.needsPositionedMovementLayout() && !m_bitfields.selfN
eedsLayout() && !m_bitfields.normalChildNeedsLayout() | 541 return m_bitfields.needsPositionedMovementLayout() && !m_bitfields.selfN
eedsLayout() && !m_bitfields.normalChildNeedsLayout() |
542 && !m_bitfields.posChildNeedsLayout() && !m_bitfields.needsSimplifie
dNormalFlowLayout(); | 542 && !m_bitfields.posChildNeedsLayout() && !m_bitfields.needsSimplifie
dNormalFlowLayout(); |
543 } | 543 } |
544 | 544 |
545 bool posChildNeedsLayout() const { return m_bitfields.posChildNeedsLayout();
} | 545 bool posChildNeedsLayout() const { return m_bitfields.posChildNeedsLayout();
} |
546 bool needsSimplifiedNormalFlowLayout() const { return m_bitfields.needsSimpl
ifiedNormalFlowLayout(); } | 546 bool needsSimplifiedNormalFlowLayout() const { return m_bitfields.needsSimpl
ifiedNormalFlowLayout(); } |
547 bool normalChildNeedsLayout() const { return m_bitfields.normalChildNeedsLay
out(); } | 547 bool normalChildNeedsLayout() const { return m_bitfields.normalChildNeedsLay
out(); } |
548 | 548 |
549 bool preferredLogicalWidthsDirty() const { return m_bitfields.preferredLogic
alWidthsDirty(); } | 549 bool preferredLogicalWidthsDirty() const { return m_bitfields.preferredLogic
alWidthsDirty(); } |
550 | 550 |
| 551 bool needsOverflowRecalcAfterStyleChange() const { return m_bitfields.selfNe
edsOverflowRecalcAfterStyleChange() || m_bitfields.childNeedsOverflowRecalcAfter
StyleChange(); } |
| 552 bool selfNeedsOverflowRecalcAfterStyleChange() const { return m_bitfields.se
lfNeedsOverflowRecalcAfterStyleChange(); } |
| 553 bool childNeedsOverflowRecalcAfterStyleChange() const { return m_bitfields.c
hildNeedsOverflowRecalcAfterStyleChange(); } |
| 554 |
551 bool isSelectionBorder() const; | 555 bool isSelectionBorder() const; |
552 | 556 |
553 bool hasClip() const { return isOutOfFlowPositioned() && style()->hasClip();
} | 557 bool hasClip() const { return isOutOfFlowPositioned() && style()->hasClip();
} |
554 bool hasOverflowClip() const { return m_bitfields.hasOverflowClip(); } | 558 bool hasOverflowClip() const { return m_bitfields.hasOverflowClip(); } |
555 bool hasClipOrOverflowClip() const { return hasClip() || hasOverflowClip();
} | 559 bool hasClipOrOverflowClip() const { return hasClip() || hasOverflowClip();
} |
556 | 560 |
557 bool hasTransform() const { return m_bitfields.hasTransform(); } | 561 bool hasTransform() const { return m_bitfields.hasTransform(); } |
558 bool hasMask() const { return style() && style()->hasMask(); } | 562 bool hasMask() const { return style() && style()->hasMask(); } |
559 bool hasClipPath() const { return style() && style()->clipPath(); } | 563 bool hasClipPath() const { return style() && style()->clipPath(); } |
560 bool hasHiddenBackface() const { return style() && style()->backfaceVisibili
ty() == BackfaceVisibilityHidden; } | 564 bool hasHiddenBackface() const { return style() && style()->backfaceVisibili
ty() == BackfaceVisibilityHidden; } |
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609 | 613 |
610 virtual RenderObject* hoverAncestor() const { return parent(); } | 614 virtual RenderObject* hoverAncestor() const { return parent(); } |
611 | 615 |
612 Element* offsetParent() const; | 616 Element* offsetParent() const; |
613 | 617 |
614 void markContainingBlocksForLayout(bool scheduleRelayout = true, RenderObjec
t* newRoot = 0, SubtreeLayoutScope* = 0); | 618 void markContainingBlocksForLayout(bool scheduleRelayout = true, RenderObjec
t* newRoot = 0, SubtreeLayoutScope* = 0); |
615 void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayou
tScope* = 0); | 619 void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayou
tScope* = 0); |
616 void clearNeedsLayout(); | 620 void clearNeedsLayout(); |
617 void setChildNeedsLayout(MarkingBehavior = MarkContainingBlockChain, Subtree
LayoutScope* = 0); | 621 void setChildNeedsLayout(MarkingBehavior = MarkContainingBlockChain, Subtree
LayoutScope* = 0); |
618 void setNeedsPositionedMovementLayout(); | 622 void setNeedsPositionedMovementLayout(); |
619 void setNeedsSimplifiedNormalFlowLayout(); | |
620 void setPreferredLogicalWidthsDirty(MarkingBehavior = MarkContainingBlockCha
in); | 623 void setPreferredLogicalWidthsDirty(MarkingBehavior = MarkContainingBlockCha
in); |
621 void clearPreferredLogicalWidthsDirty(); | 624 void clearPreferredLogicalWidthsDirty(); |
622 void invalidateContainerPreferredLogicalWidths(); | 625 void invalidateContainerPreferredLogicalWidths(); |
623 | 626 |
624 void setNeedsLayoutAndPrefWidthsRecalc() | 627 void setNeedsLayoutAndPrefWidthsRecalc() |
625 { | 628 { |
626 setNeedsLayout(); | 629 setNeedsLayout(); |
627 setPreferredLogicalWidthsDirty(); | 630 setPreferredLogicalWidthsDirty(); |
628 } | 631 } |
629 | 632 |
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988 | 991 |
989 void clearRepaintState(); | 992 void clearRepaintState(); |
990 | 993 |
991 // layoutDidGetCalled indicates whether this render object was re-laid-out | 994 // layoutDidGetCalled indicates whether this render object was re-laid-out |
992 // since the last call to setLayoutDidGetCalled(false) on this object. | 995 // since the last call to setLayoutDidGetCalled(false) on this object. |
993 bool layoutDidGetCalled() { return m_bitfields.layoutDidGetCalled(); } | 996 bool layoutDidGetCalled() { return m_bitfields.layoutDidGetCalled(); } |
994 void setLayoutDidGetCalled(bool b) { m_bitfields.setLayoutDidGetCalled(b); } | 997 void setLayoutDidGetCalled(bool b) { m_bitfields.setLayoutDidGetCalled(b); } |
995 | 998 |
996 bool shouldDisableLayoutState() const { return hasColumns() || hasTransform(
) || hasReflection() || style()->isFlippedBlocksWritingMode(); } | 999 bool shouldDisableLayoutState() const { return hasColumns() || hasTransform(
) || hasReflection() || style()->isFlippedBlocksWritingMode(); } |
997 | 1000 |
| 1001 void setNeedsOverflowRecalcAfterStyleChange(); |
| 1002 void markContainingBlocksForOverflowRecalc(); |
| 1003 |
998 protected: | 1004 protected: |
999 inline bool layerCreationAllowedForSubtree() const; | 1005 inline bool layerCreationAllowedForSubtree() const; |
1000 | 1006 |
1001 // Overrides should call the superclass at the end | 1007 // Overrides should call the superclass at the end |
1002 virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle); | 1008 virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle); |
1003 // Overrides should call the superclass at the start | 1009 // Overrides should call the superclass at the start |
1004 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); | 1010 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); |
1005 void propagateStyleToAnonymousChildren(bool blockChildrenOnly = false); | 1011 void propagateStyleToAnonymousChildren(bool blockChildrenOnly = false); |
1006 | 1012 |
1007 void drawLineForBoxSide(GraphicsContext*, int x1, int y1, int x2, int y2, Bo
xSide, | 1013 void drawLineForBoxSide(GraphicsContext*, int x1, int y1, int x2, int y2, Bo
xSide, |
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1103 , m_shouldDoFullRepaintAfterLayout(false) | 1109 , m_shouldDoFullRepaintAfterLayout(false) |
1104 , m_shouldRepaintOverflow(false) | 1110 , m_shouldRepaintOverflow(false) |
1105 , m_shouldDoFullRepaintIfSelfPaintingLayer(false) | 1111 , m_shouldDoFullRepaintIfSelfPaintingLayer(false) |
1106 , m_onlyNeededPositionedMovementLayout(false) | 1112 , m_onlyNeededPositionedMovementLayout(false) |
1107 , m_needsPositionedMovementLayout(false) | 1113 , m_needsPositionedMovementLayout(false) |
1108 , m_normalChildNeedsLayout(false) | 1114 , m_normalChildNeedsLayout(false) |
1109 , m_posChildNeedsLayout(false) | 1115 , m_posChildNeedsLayout(false) |
1110 , m_needsSimplifiedNormalFlowLayout(false) | 1116 , m_needsSimplifiedNormalFlowLayout(false) |
1111 , m_preferredLogicalWidthsDirty(false) | 1117 , m_preferredLogicalWidthsDirty(false) |
1112 , m_floating(false) | 1118 , m_floating(false) |
| 1119 , m_selfNeedsOverflowRecalcAfterStyleChange(false) |
| 1120 , m_childNeedsOverflowRecalcAfterStyleChange(false) |
1113 , m_isAnonymous(!node) | 1121 , m_isAnonymous(!node) |
1114 , m_isText(false) | 1122 , m_isText(false) |
1115 , m_isBox(false) | 1123 , m_isBox(false) |
1116 , m_isInline(true) | 1124 , m_isInline(true) |
1117 , m_isReplaced(false) | 1125 , m_isReplaced(false) |
1118 , m_horizontalWritingMode(true) | 1126 , m_horizontalWritingMode(true) |
1119 , m_isDragging(false) | 1127 , m_isDragging(false) |
1120 , m_hasLayer(false) | 1128 , m_hasLayer(false) |
1121 , m_hasOverflowClip(false) | 1129 , m_hasOverflowClip(false) |
1122 , m_hasTransform(false) | 1130 , m_hasTransform(false) |
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1140 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintAfterLayout, ShouldDoFullRepaint
AfterLayout); | 1148 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintAfterLayout, ShouldDoFullRepaint
AfterLayout); |
1141 ADD_BOOLEAN_BITFIELD(shouldRepaintOverflow, ShouldRepaintOverflow); | 1149 ADD_BOOLEAN_BITFIELD(shouldRepaintOverflow, ShouldRepaintOverflow); |
1142 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintIfSelfPaintingLayer, ShouldDoFul
lRepaintIfSelfPaintingLayer); | 1150 ADD_BOOLEAN_BITFIELD(shouldDoFullRepaintIfSelfPaintingLayer, ShouldDoFul
lRepaintIfSelfPaintingLayer); |
1143 ADD_BOOLEAN_BITFIELD(onlyNeededPositionedMovementLayout, OnlyNeededPosit
ionedMovementLayout); | 1151 ADD_BOOLEAN_BITFIELD(onlyNeededPositionedMovementLayout, OnlyNeededPosit
ionedMovementLayout); |
1144 ADD_BOOLEAN_BITFIELD(needsPositionedMovementLayout, NeedsPositionedMovem
entLayout); | 1152 ADD_BOOLEAN_BITFIELD(needsPositionedMovementLayout, NeedsPositionedMovem
entLayout); |
1145 ADD_BOOLEAN_BITFIELD(normalChildNeedsLayout, NormalChildNeedsLayout); | 1153 ADD_BOOLEAN_BITFIELD(normalChildNeedsLayout, NormalChildNeedsLayout); |
1146 ADD_BOOLEAN_BITFIELD(posChildNeedsLayout, PosChildNeedsLayout); | 1154 ADD_BOOLEAN_BITFIELD(posChildNeedsLayout, PosChildNeedsLayout); |
1147 ADD_BOOLEAN_BITFIELD(needsSimplifiedNormalFlowLayout, NeedsSimplifiedNor
malFlowLayout); | 1155 ADD_BOOLEAN_BITFIELD(needsSimplifiedNormalFlowLayout, NeedsSimplifiedNor
malFlowLayout); |
1148 ADD_BOOLEAN_BITFIELD(preferredLogicalWidthsDirty, PreferredLogicalWidths
Dirty); | 1156 ADD_BOOLEAN_BITFIELD(preferredLogicalWidthsDirty, PreferredLogicalWidths
Dirty); |
1149 ADD_BOOLEAN_BITFIELD(floating, Floating); | 1157 ADD_BOOLEAN_BITFIELD(floating, Floating); |
| 1158 ADD_BOOLEAN_BITFIELD(selfNeedsOverflowRecalcAfterStyleChange, SelfNeedsO
verflowRecalcAfterStyleChange); |
| 1159 ADD_BOOLEAN_BITFIELD(childNeedsOverflowRecalcAfterStyleChange, ChildNeed
sOverflowRecalcAfterStyleChange); |
1150 | 1160 |
1151 ADD_BOOLEAN_BITFIELD(isAnonymous, IsAnonymous); | 1161 ADD_BOOLEAN_BITFIELD(isAnonymous, IsAnonymous); |
1152 ADD_BOOLEAN_BITFIELD(isText, IsText); | 1162 ADD_BOOLEAN_BITFIELD(isText, IsText); |
1153 ADD_BOOLEAN_BITFIELD(isBox, IsBox); | 1163 ADD_BOOLEAN_BITFIELD(isBox, IsBox); |
1154 ADD_BOOLEAN_BITFIELD(isInline, IsInline); | 1164 ADD_BOOLEAN_BITFIELD(isInline, IsInline); |
1155 ADD_BOOLEAN_BITFIELD(isReplaced, IsReplaced); | 1165 ADD_BOOLEAN_BITFIELD(isReplaced, IsReplaced); |
1156 ADD_BOOLEAN_BITFIELD(horizontalWritingMode, HorizontalWritingMode); | 1166 ADD_BOOLEAN_BITFIELD(horizontalWritingMode, HorizontalWritingMode); |
1157 ADD_BOOLEAN_BITFIELD(isDragging, IsDragging); | 1167 ADD_BOOLEAN_BITFIELD(isDragging, IsDragging); |
1158 | 1168 |
1159 ADD_BOOLEAN_BITFIELD(hasLayer, HasLayer); | 1169 ADD_BOOLEAN_BITFIELD(hasLayer, HasLayer); |
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1208 RenderObjectBitfields m_bitfields; | 1218 RenderObjectBitfields m_bitfields; |
1209 | 1219 |
1210 void setSelfNeedsLayout(bool b) { m_bitfields.setSelfNeedsLayout(b); } | 1220 void setSelfNeedsLayout(bool b) { m_bitfields.setSelfNeedsLayout(b); } |
1211 void setNeedsPositionedMovementLayout(bool b) { m_bitfields.setNeedsPosition
edMovementLayout(b); } | 1221 void setNeedsPositionedMovementLayout(bool b) { m_bitfields.setNeedsPosition
edMovementLayout(b); } |
1212 void setNormalChildNeedsLayout(bool b) { m_bitfields.setNormalChildNeedsLayo
ut(b); } | 1222 void setNormalChildNeedsLayout(bool b) { m_bitfields.setNormalChildNeedsLayo
ut(b); } |
1213 void setPosChildNeedsLayout(bool b) { m_bitfields.setPosChildNeedsLayout(b);
} | 1223 void setPosChildNeedsLayout(bool b) { m_bitfields.setPosChildNeedsLayout(b);
} |
1214 void setNeedsSimplifiedNormalFlowLayout(bool b) { m_bitfields.setNeedsSimpli
fiedNormalFlowLayout(b); } | 1224 void setNeedsSimplifiedNormalFlowLayout(bool b) { m_bitfields.setNeedsSimpli
fiedNormalFlowLayout(b); } |
1215 void setIsDragging(bool b) { m_bitfields.setIsDragging(b); } | 1225 void setIsDragging(bool b) { m_bitfields.setIsDragging(b); } |
1216 void setEverHadLayout(bool b) { m_bitfields.setEverHadLayout(b); } | 1226 void setEverHadLayout(bool b) { m_bitfields.setEverHadLayout(b); } |
1217 void setShouldRepaintOverflow(bool b) { m_bitfields.setShouldRepaintOverflow
(b); } | 1227 void setShouldRepaintOverflow(bool b) { m_bitfields.setShouldRepaintOverflow
(b); } |
| 1228 void setSelfNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setSel
fNeedsOverflowRecalcAfterStyleChange(b); } |
| 1229 void setChildNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setCh
ildNeedsOverflowRecalcAfterStyleChange(b); } |
1218 | 1230 |
1219 private: | 1231 private: |
1220 // Store state between styleWillChange and styleDidChange | 1232 // Store state between styleWillChange and styleDidChange |
1221 static bool s_affectsParentBlock; | 1233 static bool s_affectsParentBlock; |
1222 | 1234 |
1223 LayoutRect m_oldRepaintRect; | 1235 LayoutRect m_oldRepaintRect; |
1224 LayoutRect m_newRepaintRect; | 1236 LayoutRect m_newRepaintRect; |
1225 }; | 1237 }; |
1226 | 1238 |
1227 // Allow equality comparisons of RenderObject's by reference or pointer, interch
angeably. | 1239 // Allow equality comparisons of RenderObject's by reference or pointer, interch
angeably. |
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1304 bool alreadyNeededLayout = needsPositionedMovementLayout(); | 1316 bool alreadyNeededLayout = needsPositionedMovementLayout(); |
1305 setNeedsPositionedMovementLayout(true); | 1317 setNeedsPositionedMovementLayout(true); |
1306 ASSERT(!isSetNeedsLayoutForbidden()); | 1318 ASSERT(!isSetNeedsLayoutForbidden()); |
1307 if (!alreadyNeededLayout) { | 1319 if (!alreadyNeededLayout) { |
1308 markContainingBlocksForLayout(); | 1320 markContainingBlocksForLayout(); |
1309 if (hasLayer()) | 1321 if (hasLayer()) |
1310 setLayerNeedsFullRepaintForPositionedMovementLayout(); | 1322 setLayerNeedsFullRepaintForPositionedMovementLayout(); |
1311 } | 1323 } |
1312 } | 1324 } |
1313 | 1325 |
1314 inline void RenderObject::setNeedsSimplifiedNormalFlowLayout() | |
1315 { | |
1316 bool alreadyNeededLayout = needsSimplifiedNormalFlowLayout(); | |
1317 setNeedsSimplifiedNormalFlowLayout(true); | |
1318 ASSERT(!isSetNeedsLayoutForbidden()); | |
1319 if (!alreadyNeededLayout) { | |
1320 markContainingBlocksForLayout(); | |
1321 if (hasLayer()) | |
1322 setLayerNeedsFullRepaint(); | |
1323 } | |
1324 } | |
1325 | |
1326 inline bool RenderObject::preservesNewline() const | 1326 inline bool RenderObject::preservesNewline() const |
1327 { | 1327 { |
1328 if (isSVGInlineText()) | 1328 if (isSVGInlineText()) |
1329 return false; | 1329 return false; |
1330 | 1330 |
1331 return style()->preserveNewline(); | 1331 return style()->preserveNewline(); |
1332 } | 1332 } |
1333 | 1333 |
1334 inline bool RenderObject::layerCreationAllowedForSubtree() const | 1334 inline bool RenderObject::layerCreationAllowedForSubtree() const |
1335 { | 1335 { |
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1419 void showTree(const WebCore::RenderObject*); | 1419 void showTree(const WebCore::RenderObject*); |
1420 void showLineTree(const WebCore::RenderObject*); | 1420 void showLineTree(const WebCore::RenderObject*); |
1421 void showRenderTree(const WebCore::RenderObject* object1); | 1421 void showRenderTree(const WebCore::RenderObject* object1); |
1422 // We don't make object2 an optional parameter so that showRenderTree | 1422 // We don't make object2 an optional parameter so that showRenderTree |
1423 // can be called from gdb easily. | 1423 // can be called from gdb easily. |
1424 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderO
bject* object2); | 1424 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderO
bject* object2); |
1425 | 1425 |
1426 #endif | 1426 #endif |
1427 | 1427 |
1428 #endif // RenderObject_h | 1428 #endif // RenderObject_h |
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