1 /* 2 * Copyright (C) 1997 Martin Jones (mjones (at) kde.org) 3 * (C) 1997 Torben Weis (weis (at) kde.org) 4 * (C) 1998 Waldo Bastian (bastian (at) kde.org) 5 * (C) 1999 Lars Knoll (knoll (at) kde.org) 6 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 7 * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25 #ifndef RenderTableRow_h 26 #define RenderTableRow_h 27 28 #include "core/rendering/RenderTableSection.h" 29 30 namespace WebCore { 31 32 static const unsigned unsetRowIndex = 0x7FFFFFFF; 33 static const unsigned maxRowIndex = 0x7FFFFFFE; // 2,147,483,646 34 35 class RenderTableRow FINAL : public RenderBox { 36 public: 37 explicit RenderTableRow(Element*); 38 39 RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); } 40 RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); } 41 42 const RenderObjectChildList* children() const { return &m_children; } 43 RenderObjectChildList* children() { return &m_children; } 44 45 RenderTableSection* section() const { return toRenderTableSection(parent()); } 46 RenderTable* table() const { return toRenderTable(parent()->parent()); } 47 48 void paintOutlineForRowIfNeeded(PaintInfo&, const LayoutPoint&); 49 50 static RenderTableRow* createAnonymous(Document*); 51 static RenderTableRow* createAnonymousWithParentRenderer(const RenderObject*); 52 virtual RenderBox* createAnonymousBoxWithSameTypeAs(const RenderObject* parent) const OVERRIDE 53 { 54 return createAnonymousWithParentRenderer(parent); 55 } 56 57 void setRowIndex(unsigned rowIndex) 58 { 59 if (UNLIKELY(rowIndex > maxRowIndex)) 60 CRASH(); 61 62 m_rowIndex = rowIndex; 63 } 64 65 bool rowIndexWasSet() const { return m_rowIndex != unsetRowIndex; } 66 unsigned rowIndex() const 67 { 68 ASSERT(rowIndexWasSet()); 69 return m_rowIndex; 70 } 71 72 const BorderValue& borderAdjoiningTableStart() const 73 { 74 if (section()->hasSameDirectionAs(table())) 75 return style()->borderStart(); 76 77 return style()->borderEnd(); 78 } 79 80 const BorderValue& borderAdjoiningTableEnd() const 81 { 82 if (section()->hasSameDirectionAs(table())) 83 return style()->borderEnd(); 84 85 return style()->borderStart(); 86 } 87 88 const BorderValue& borderAdjoiningStartCell(const RenderTableCell*) const; 89 const BorderValue& borderAdjoiningEndCell(const RenderTableCell*) const; 90 91 private: 92 virtual RenderObjectChildList* virtualChildren() { return children(); } 93 virtual const RenderObjectChildList* virtualChildren() const { return children(); } 94 95 virtual const char* renderName() const { return (isAnonymous() || isPseudoElement()) ? "RenderTableRow (anonymous)" : "RenderTableRow"; } 96 97 virtual bool isTableRow() const { return true; } 98 99 virtual void willBeRemovedFromTree() OVERRIDE; 100 101 virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0); 102 virtual void layout(); 103 virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const; 104 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE; 105 106 virtual bool requiresLayer() const OVERRIDE { return hasOverflowClip() || hasTransform() || hasHiddenBackface() || hasClipPath() || createsGroup(); } 107 108 virtual void paint(PaintInfo&, const LayoutPoint&); 109 110 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 111 112 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 113 114 RenderObjectChildList m_children; 115 unsigned m_rowIndex : 31; 116 }; 117 118 inline RenderTableRow* toRenderTableRow(RenderObject* object) 119 { 120 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTableRow()); 121 return static_cast<RenderTableRow*>(object); 122 } 123 124 inline const RenderTableRow* toRenderTableRow(const RenderObject* object) 125 { 126 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTableRow()); 127 return static_cast<const RenderTableRow*>(object); 128 } 129 130 // This will catch anyone doing an unnecessary cast. 131 void toRenderTableRow(const RenderTableRow*); 132 133 } // namespace WebCore 134 135 #endif // RenderTableRow_h 136
