diff -r 000000000000 -r 4f2f89ce4247 WebCore/rendering/RenderTableSection.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderTableSection.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 1997 Martin Jones (mjones@kde.org)
+ *           (C) 1997 Torben Weis (weis@kde.org)
+ *           (C) 1998 Waldo Bastian (bastian@kde.org)
+ *           (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef RenderTableSection_h
+#define RenderTableSection_h
+
+#include "RenderTable.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class RenderTableCell;
+class RenderTableRow;
+
+class RenderTableSection : public RenderBox {
+public:
+    RenderTableSection(Node*);
+    virtual ~RenderTableSection();
+
+    const RenderObjectChildList* children() const { return &m_children; }
+    RenderObjectChildList* children() { return &m_children; }
+
+    virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0);
+
+    virtual int firstLineBoxBaseline() const;
+
+    void addCell(RenderTableCell*, RenderTableRow* row);
+
+    void setCellWidths();
+    int calcRowHeight();
+    int layoutRows(int height);
+
+    RenderTable* table() const { return toRenderTable(parent()); }
+
+    struct CellStruct {
+        RenderTableCell* cell;
+        bool inColSpan; // true for columns after the first in a colspan
+    };
+
+    typedef Vector<CellStruct> Row;
+
+    struct RowStruct {
+        Row* row;
+        RenderTableRow* rowRenderer;
+        int baseline;
+        Length height;
+    };
+
+    CellStruct& cellAt(int row,  int col) { return (*m_grid[row].row)[col]; }
+    const CellStruct& cellAt(int row, int col) const { return (*m_grid[row].row)[col]; }
+
+    void appendColumn(int pos);
+    void splitColumn(int pos, int newSize);
+
+    int calcOuterBorderTop() const;
+    int calcOuterBorderBottom() const;
+    int calcOuterBorderLeft(bool rtl) const;
+    int calcOuterBorderRight(bool rtl) const;
+    void recalcOuterBorder();
+
+    int outerBorderTop() const { return m_outerBorderTop; }
+    int outerBorderBottom() const { return m_outerBorderBottom; }
+    int outerBorderLeft() const { return m_outerBorderLeft; }
+    int outerBorderRight() const { return m_outerBorderRight; }
+
+    int numRows() const { return m_gridRows; }
+    int numColumns() const;
+    void recalcCells();
+    void recalcCellsIfNeeded()
+    {
+        if (m_needsCellRecalc)
+            recalcCells();
+    }
+
+    bool needsCellRecalc() const { return m_needsCellRecalc; }
+    void setNeedsCellRecalc()
+    {
+        m_needsCellRecalc = true;
+        table()->setNeedsSectionRecalc();
+    }
+
+    int getBaseline(int row) { return m_grid[row].baseline; }
+
+private:
+    virtual RenderObjectChildList* virtualChildren() { return children(); }
+    virtual const RenderObjectChildList* virtualChildren() const { return children(); }
+
+    virtual const char* renderName() const { return isAnonymous() ? "RenderTableSection (anonymous)" : "RenderTableSection"; }
+
+    virtual bool isTableSection() const { return true; }
+
+    virtual void destroy();
+
+    virtual void layout();
+
+    virtual void removeChild(RenderObject* oldChild);
+
+    virtual int lowestPosition(bool includeOverflowInterior, bool includeSelf) const;
+    virtual int rightmostPosition(bool includeOverflowInterior, bool includeSelf) const;
+    virtual int leftmostPosition(bool includeOverflowInterior, bool includeSelf) const;
+
+    virtual void paint(PaintInfo&, int tx, int ty);
+    virtual void paintObject(PaintInfo&, int tx, int ty);
+
+    virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
+
+    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
+
+    virtual int lineHeight(bool, bool) const { return 0; }
+
+    bool ensureRows(int);
+    void clearGrid();
+
+    RenderObjectChildList m_children;
+
+    Vector<RowStruct> m_grid;
+    Vector<int> m_rowPos;
+
+    int m_gridRows;
+
+    // the current insertion position
+    int m_cCol;
+    int m_cRow;
+
+    int m_outerBorderLeft;
+    int m_outerBorderRight;
+    int m_outerBorderTop;
+    int m_outerBorderBottom;
+
+    bool m_needsCellRecalc;
+    bool m_hasOverflowingCell;
+};
+
+inline RenderTableSection* toRenderTableSection(RenderObject* object)
+{
+    ASSERT(!object || object->isTableSection());
+    return static_cast<RenderTableSection*>(object);
+}
+
+inline const RenderTableSection* toRenderTableSection(const RenderObject* object)
+{
+    ASSERT(!object || object->isTableSection());
+    return static_cast<const RenderTableSection*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderTableSection(const RenderTableSection*);
+
+} // namespace WebCore
+
+#endif // RenderTableSection_h