RenderTableSection.h [plain text]
#ifndef RenderTableSection_h
#define RenderTableSection_h
#include "RenderTable.h"
#include <wtf/Vector.h>
namespace WebCore {
enum CollapsedBorderSide {
CBSBefore,
CBSAfter,
CBSStart,
CBSEnd
};
class CellSpan {
public:
CellSpan(unsigned start, unsigned end)
: m_start(start)
, m_end(end)
{
}
unsigned start() const { return m_start; }
unsigned end() const { return m_end; }
private:
unsigned m_start;
unsigned m_end;
};
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 LayoutUnit firstLineBoxBaseline() const;
void addCell(RenderTableCell*, RenderTableRow* row);
void setCellLogicalWidths();
int calcRowLogicalHeight();
void layoutRows();
RenderTable* table() const { return toRenderTable(parent()); }
struct CellStruct {
Vector<RenderTableCell*, 1> cells;
bool inColSpan;
CellStruct()
: inColSpan(false)
{
}
RenderTableCell* primaryCell()
{
return hasCells() ? cells[cells.size() - 1] : 0;
}
const RenderTableCell* primaryCell() const
{
return hasCells() ? cells[cells.size() - 1] : 0;
}
bool hasCells() const { return cells.size() > 0; }
};
typedef Vector<CellStruct> Row;
struct RowStruct {
RowStruct()
: rowRenderer(0)
, baseline()
{
}
Row row;
RenderTableRow* rowRenderer;
LayoutUnit baseline;
Length logicalHeight;
};
CellStruct& cellAt(unsigned row, unsigned col) { return m_grid[row].row[col]; }
const CellStruct& cellAt(unsigned row, unsigned col) const { return m_grid[row].row[col]; }
RenderTableCell* primaryCellAt(unsigned row, unsigned col)
{
CellStruct& c = m_grid[row].row[col];
return c.primaryCell();
}
void appendColumn(unsigned pos);
void splitColumn(unsigned pos, unsigned first);
int calcOuterBorderBefore() const;
int calcOuterBorderAfter() const;
int calcOuterBorderStart() const;
int calcOuterBorderEnd() const;
void recalcOuterBorder();
int outerBorderBefore() const { return m_outerBorderBefore; }
int outerBorderAfter() const { return m_outerBorderAfter; }
int outerBorderStart() const { return m_outerBorderStart; }
int outerBorderEnd() const { return m_outerBorderEnd; }
unsigned numRows() const { return m_grid.size(); }
unsigned numColumns() const;
void recalcCells();
void recalcCellsIfNeeded()
{
if (m_needsCellRecalc)
recalcCells();
}
bool needsCellRecalc() const { return m_needsCellRecalc; }
void setNeedsCellRecalc();
LayoutUnit getBaseline(unsigned row) { return m_grid[row].baseline; }
void rowLogicalHeightChanged(unsigned rowIndex);
void removeCachedCollapsedBorders(const RenderTableCell*);
void setCachedCollapsedBorder(const RenderTableCell*, CollapsedBorderSide, CollapsedBorderValue);
CollapsedBorderValue& cachedCollapsedBorder(const RenderTableCell*, CollapsedBorderSide);
int distributeExtraLogicalHeightToRows(int extraLogicalHeight);
static RenderTableSection* createAnonymousWithParentRenderer(const RenderObject*);
virtual RenderBox* createAnonymousBoxWithSameTypeAs(const RenderObject* parent) const OVERRIDE
{
return createAnonymousWithParentRenderer(parent);
}
protected:
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
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 willBeRemovedFromTree() OVERRIDE;
virtual void layout();
virtual void removeChild(RenderObject* oldChild);
virtual void paint(PaintInfo&, const LayoutPoint&);
virtual void paintCell(RenderTableCell*, PaintInfo&, const LayoutPoint&);
virtual void paintObject(PaintInfo&, const LayoutPoint&);
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
void ensureRows(unsigned);
void distributeExtraLogicalHeightToPercentRows(int& extraLogicalHeight, int totalPercent);
void distributeExtraLogicalHeightToAutoRows(int& extraLogicalHeight, unsigned autoRowsCount);
void distributeRemainingExtraLogicalHeight(int& extraLogicalHeight);
bool hasOverflowingCell() const { return m_overflowingCells.size() || m_forceSlowPaintPathWithOverflowingCell; }
CellSpan fullTableRowSpan() const { return CellSpan(0, m_grid.size()); }
CellSpan fullTableColumnSpan() const { return CellSpan(0, table()->columns().size()); }
CellSpan dirtiedRows(const LayoutRect& repaintRect) const;
CellSpan dirtiedColumns(const LayoutRect& repaintRect) const;
RenderObjectChildList m_children;
Vector<RowStruct> m_grid;
Vector<int> m_rowPos;
unsigned m_cCol;
unsigned m_cRow;
int m_outerBorderStart;
int m_outerBorderEnd;
int m_outerBorderBefore;
int m_outerBorderAfter;
bool m_needsCellRecalc;
HashSet<RenderTableCell*> m_overflowingCells;
bool m_forceSlowPaintPathWithOverflowingCell;
bool m_hasMultipleCellLevels;
HashMap<pair<const RenderTableCell*, int>, CollapsedBorderValue > m_cellsCollapsedBorders;
};
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);
}
void toRenderTableSection(const RenderTableSection*);
}
#endif // RenderTableSection_h