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 RenderTableSection_h 26 #define RenderTableSection_h 27 28 #include "RenderTable.h" 29 #include <wtf/Vector.h> 30 31 namespace WebCore { 32 33 class RenderTableCell; 34 class RenderTableRow; 35 36 class RenderTableSection : public RenderBox { 37 public: 38 RenderTableSection(Node*); 39 virtual ~RenderTableSection(); 40 41 const RenderObjectChildList* children() const { return &m_children; } 42 RenderObjectChildList* children() { return &m_children; } 43 44 virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0); 45 46 virtual int firstLineBoxBaseline() const; 47 48 void addCell(RenderTableCell*, RenderTableRow* row); 49 50 void setCellWidths(); 51 int calcRowHeight(); 52 int layoutRows(int height); 53 54 RenderTable* table() const { return toRenderTable(parent()); } 55 56 struct CellStruct { 57 RenderTableCell* cell; 58 bool inColSpan; // true for columns after the first in a colspan 59 }; 60 61 typedef Vector<CellStruct> Row; 62 63 struct RowStruct { 64 Row* row; 65 RenderTableRow* rowRenderer; 66 int baseline; 67 Length height; 68 }; 69 70 CellStruct& cellAt(int row, int col) { return (*m_grid[row].row)[col]; } 71 const CellStruct& cellAt(int row, int col) const { return (*m_grid[row].row)[col]; } 72 73 void appendColumn(int pos); 74 void splitColumn(int pos, int newSize); 75 76 int calcOuterBorderTop() const; 77 int calcOuterBorderBottom() const; 78 int calcOuterBorderLeft(bool rtl) const; 79 int calcOuterBorderRight(bool rtl) const; 80 void recalcOuterBorder(); 81 82 int outerBorderTop() const { return m_outerBorderTop; } 83 int outerBorderBottom() const { return m_outerBorderBottom; } 84 int outerBorderLeft() const { return m_outerBorderLeft; } 85 int outerBorderRight() const { return m_outerBorderRight; } 86 87 int numRows() const { return m_gridRows; } 88 int numColumns() const; 89 void recalcCells(); 90 void recalcCellsIfNeeded() 91 { 92 if (m_needsCellRecalc) 93 recalcCells(); 94 } 95 96 bool needsCellRecalc() const { return m_needsCellRecalc; } 97 void setNeedsCellRecalc() 98 { 99 m_needsCellRecalc = true; 100 table()->setNeedsSectionRecalc(); 101 } 102 103 int getBaseline(int row) { return m_grid[row].baseline; } 104 105 private: 106 virtual RenderObjectChildList* virtualChildren() { return children(); } 107 virtual const RenderObjectChildList* virtualChildren() const { return children(); } 108 109 virtual const char* renderName() const { return isAnonymous() ? "RenderTableSection (anonymous)" : "RenderTableSection"; } 110 111 virtual bool isTableSection() const { return true; } 112 113 virtual void destroy(); 114 115 virtual void layout(); 116 117 virtual void removeChild(RenderObject* oldChild); 118 119 virtual int lowestPosition(bool includeOverflowInterior, bool includeSelf) const; 120 virtual int rightmostPosition(bool includeOverflowInterior, bool includeSelf) const; 121 virtual int leftmostPosition(bool includeOverflowInterior, bool includeSelf) const; 122 123 virtual void paint(PaintInfo&, int tx, int ty); 124 virtual void paintObject(PaintInfo&, int tx, int ty); 125 126 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 127 128 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); 129 130 virtual int lineHeight(bool, bool) const { return 0; } 131 132 bool ensureRows(int); 133 void clearGrid(); 134 135 RenderObjectChildList m_children; 136 137 Vector<RowStruct> m_grid; 138 Vector<int> m_rowPos; 139 140 int m_gridRows; 141 142 // the current insertion position 143 int m_cCol; 144 int m_cRow; 145 146 int m_outerBorderLeft; 147 int m_outerBorderRight; 148 int m_outerBorderTop; 149 int m_outerBorderBottom; 150 151 bool m_needsCellRecalc; 152 bool m_hasOverflowingCell; 153 }; 154 155 inline RenderTableSection* toRenderTableSection(RenderObject* object) 156 { 157 ASSERT(!object || object->isTableSection()); 158 return static_cast<RenderTableSection*>(object); 159 } 160 161 inline const RenderTableSection* toRenderTableSection(const RenderObject* object) 162 { 163 ASSERT(!object || object->isTableSection()); 164 return static_cast<const RenderTableSection*>(object); 165 } 166 167 // This will catch anyone doing an unnecessary cast. 168 void toRenderTableSection(const RenderTableSection*); 169 170 } // namespace WebCore 171 172 #endif // RenderTableSection_h 173
