#ifndef RenderTableSection_h
#define RenderTableSection_h
#include "core/rendering/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; }
unsigned& start() { return m_start; }
unsigned& end() { return m_end; }
private:
unsigned m_start;
unsigned m_end;
};
class RenderTableCell;
class RenderTableRow;
class RenderTableSection FINAL : public RenderBox {
public:
RenderTableSection(Element*);
virtual ~RenderTableSection();
RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) OVERRIDE;
virtual int firstLineBoxBaseline() const OVERRIDE;
void addCell(RenderTableCell*, RenderTableRow* row);
int calcRowLogicalHeight();
void layoutRows();
void computeOverflowFromCells();
RenderTable* table() const { return toRenderTable(parent()); }
typedef Vector<RenderTableCell*, 2> SpanningRenderTableCells;
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;
};
struct SpanningRowsHeight {
WTF_MAKE_NONCOPYABLE(SpanningRowsHeight);
public:
SpanningRowsHeight()
: totalRowsHeight(0)
, spanningCellHeightIgnoringBorderSpacing(0)
, isAnyRowWithOnlySpanningCells(false)
{
}
Vector<int> rowHeight;
int totalRowsHeight;
int spanningCellHeightIgnoringBorderSpacing;
bool isAnyRowWithOnlySpanningCells;
};
const BorderValue& borderAdjoiningTableStart() const
{
if (hasSameDirectionAs(table()))
return style()->borderStart();
return style()->borderEnd();
}
const BorderValue& borderAdjoiningTableEnd() const
{
if (hasSameDirectionAs(table()))
return style()->borderEnd();
return style()->borderStart();
}
const BorderValue& borderAdjoiningStartCell(const RenderTableCell*) const;
const BorderValue& borderAdjoiningEndCell(const RenderTableCell*) const;
const RenderTableCell* firstRowCellAdjoiningTableStart() const;
const RenderTableCell* firstRowCellAdjoiningTableEnd() const;
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();
}
RenderTableRow* rowRendererAt(unsigned row) const { return m_grid[row].rowRenderer; }
void appendColumn(unsigned pos);
void splitColumn(unsigned pos, unsigned first);
enum BlockBorderSide { BorderBefore, BorderAfter };
int calcBlockDirectionOuterBorder(BlockBorderSide) const;
enum InlineBorderSide { BorderStart, BorderEnd };
int calcInlineDirectionOuterBorder(InlineBorderSide) 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 rowBaseline(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);
}
virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
protected:
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
private:
virtual RenderObjectChildList* virtualChildren() OVERRIDE { return children(); }
virtual const RenderObjectChildList* virtualChildren() const OVERRIDE { return children(); }
virtual const char* renderName() const OVERRIDE { return (isAnonymous() || isPseudoElement()) ? "RenderTableSection (anonymous)" : "RenderTableSection"; }
virtual bool isTableSection() const OVERRIDE { return true; }
virtual void willBeRemovedFromTree() OVERRIDE;
virtual void layout() OVERRIDE;
void paintCell(RenderTableCell*, PaintInfo&, const LayoutPoint&);
virtual void paintObject(PaintInfo&, const LayoutPoint&) OVERRIDE;
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE;
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
int borderSpacingForRow(unsigned row) const { return m_grid[row].rowRenderer ? table()->vBorderSpacing() : 0; }
void ensureRows(unsigned);
bool rowHasOnlySpanningCells(unsigned);
unsigned calcRowHeightHavingOnlySpanningCells(unsigned);
void updateRowsHeightHavingOnlySpanningCells(RenderTableCell*, struct SpanningRowsHeight&);
bool isHeightNeededForRowHavingOnlySpanningCells(unsigned);
void populateSpanningRowsHeightFromCell(RenderTableCell*, struct SpanningRowsHeight&);
void distributeExtraRowSpanHeightToPercentRows(RenderTableCell*, int, int&, Vector<int>&);
void distributeExtraRowSpanHeightToAutoRows(RenderTableCell*, int, int&, Vector<int>&);
void distributeExtraRowSpanHeightToRemainingRows(RenderTableCell*, int, int&, Vector<int>&);
void distributeRowSpanHeightToRows(SpanningRenderTableCells& rowSpanCells);
void distributeExtraLogicalHeightToPercentRows(int& extraLogicalHeight, int totalPercent);
void distributeExtraLogicalHeightToAutoRows(int& extraLogicalHeight, unsigned autoRowsCount);
void distributeRemainingExtraLogicalHeight(int& extraLogicalHeight);
void updateBaselineForCell(RenderTableCell*, unsigned row, LayoutUnit& baselineDescent);
bool hasOverflowingCell() const { return m_overflowingCells.size() || m_forceSlowPaintPathWithOverflowingCell; }
void computeOverflowFromCells(unsigned totalRows, unsigned nEffCols);
CellSpan fullTableRowSpan() const { return CellSpan(0, m_grid.size()); }
CellSpan fullTableColumnSpan() const { return CellSpan(0, table()->columns().size()); }
LayoutRect logicalRectForWritingModeAndDirection(const LayoutRect&) const;
CellSpan dirtiedRows(const LayoutRect& repaintRect) const;
CellSpan dirtiedColumns(const LayoutRect& repaintRect) const;
CellSpan spannedRows(const LayoutRect& flippedRect) const;
CellSpan spannedColumns(const LayoutRect& flippedRect) const;
void setLogicalPositionForCell(RenderTableCell*, unsigned effectiveColumn) 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;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTableSection, isTableSection());
}
#endif