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Diffstat (limited to 'Source/WebCore/rendering/RenderTableCell.h')
| -rw-r--r-- | Source/WebCore/rendering/RenderTableCell.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderTableCell.h b/Source/WebCore/rendering/RenderTableCell.h new file mode 100644 index 000000000..351ea5046 --- /dev/null +++ b/Source/WebCore/rendering/RenderTableCell.h @@ -0,0 +1,203 @@ +/* + * 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, 2007, 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 RenderTableCell_h +#define RenderTableCell_h + +#include "RenderTableSection.h" + +namespace WebCore { + +static const unsigned unsetColumnIndex = 0x7FFFFFFF; +static const unsigned maxColumnIndex = 0x7FFFFFFE; // 2,147,483,646 + +static const unsigned unsetRowIndex = 0x7FFFFFFF; +static const unsigned maxRowIndex = 0x7FFFFFFE; // 2,147,483,646 + +enum IncludeBorderColorOrNot { DoNotIncludeBorderColor, IncludeBorderColor }; + +class RenderTableCell : public RenderBlock { +public: + explicit RenderTableCell(Node*); + + // FIXME: need to implement cellIndex + int cellIndex() const { return 0; } + void setCellIndex(int) { } + + unsigned colSpan() const; + unsigned rowSpan() const; + + // Called from HTMLTableCellElement. + void colSpanOrRowSpanChanged(); + + void setCol(unsigned column) + { + if (UNLIKELY(column > maxColumnIndex)) + CRASH(); + + m_column = column; + } + + unsigned col() const + { + ASSERT(m_column != unsetColumnIndex); + return m_column; + } + + void setRow(unsigned row) + { + if (UNLIKELY(row > maxRowIndex)) + CRASH(); + + m_row = row; + } + + bool rowWasSet() const { return m_row != unsetRowIndex; } + unsigned row() const + { + ASSERT(rowWasSet()); + return m_row; + } + + RenderTableSection* section() const { return toRenderTableSection(parent()->parent()); } + RenderTable* table() const { return toRenderTable(parent()->parent()->parent()); } + + Length styleOrColLogicalWidth() const; + + virtual void computePreferredLogicalWidths(); + + void updateLogicalWidth(LayoutUnit); + + virtual LayoutUnit borderLeft() const; + virtual LayoutUnit borderRight() const; + virtual LayoutUnit borderTop() const; + virtual LayoutUnit borderBottom() const; + virtual LayoutUnit borderStart() const; + virtual LayoutUnit borderEnd() const; + virtual LayoutUnit borderBefore() const; + virtual LayoutUnit borderAfter() const; + + LayoutUnit borderHalfLeft(bool outer) const; + LayoutUnit borderHalfRight(bool outer) const; + LayoutUnit borderHalfTop(bool outer) const; + LayoutUnit borderHalfBottom(bool outer) const; + + LayoutUnit borderHalfStart(bool outer) const; + LayoutUnit borderHalfEnd(bool outer) const; + LayoutUnit borderHalfBefore(bool outer) const; + LayoutUnit borderHalfAfter(bool outer) const; + + CollapsedBorderValue collapsedStartBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + CollapsedBorderValue collapsedEndBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + CollapsedBorderValue collapsedBeforeBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + CollapsedBorderValue collapsedAfterBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + + CollapsedBorderValue collapsedLeftBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + CollapsedBorderValue collapsedRightBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + CollapsedBorderValue collapsedTopBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + CollapsedBorderValue collapsedBottomBorder(IncludeBorderColorOrNot = IncludeBorderColor) const; + + void collectBorderValues(RenderTable::CollapsedBorderValues&) const; + static void sortBorderValues(RenderTable::CollapsedBorderValues&); + + virtual void layout(); + + virtual void paint(PaintInfo&, const LayoutPoint&); + + void paintCollapsedBorders(PaintInfo&, const LayoutPoint&); + void paintBackgroundsBehindCell(PaintInfo&, const LayoutPoint&, RenderObject* backgroundObject); + + LayoutUnit cellBaselinePosition() const; + + void setIntrinsicPaddingBefore(int p) { m_intrinsicPaddingBefore = p; } + void setIntrinsicPaddingAfter(int p) { m_intrinsicPaddingAfter = p; } + void setIntrinsicPadding(int before, int after) { setIntrinsicPaddingBefore(before); setIntrinsicPaddingAfter(after); } + void clearIntrinsicPadding() { setIntrinsicPadding(0, 0); } + + int intrinsicPaddingBefore() const { return m_intrinsicPaddingBefore; } + int intrinsicPaddingAfter() const { return m_intrinsicPaddingAfter; } + + virtual LayoutUnit paddingTop(bool includeIntrinsicPadding = true) const; + virtual LayoutUnit paddingBottom(bool includeIntrinsicPadding = true) const; + virtual LayoutUnit paddingLeft(bool includeIntrinsicPadding = true) const; + virtual LayoutUnit paddingRight(bool includeIntrinsicPadding = true) const; + + // FIXME: For now we just assume the cell has the same block flow direction as the table. It's likely we'll + // create an extra anonymous RenderBlock to handle mixing directionality anyway, in which case we can lock + // the block flow directionality of the cells to the table's directionality. + virtual LayoutUnit paddingBefore(bool includeIntrinsicPadding = true) const; + virtual LayoutUnit paddingAfter(bool includeIntrinsicPadding = true) const; + + void setOverrideHeightFromRowHeight(LayoutUnit); + + virtual void scrollbarsChanged(bool horizontalScrollbarChanged, bool verticalScrollbarChanged); + + bool cellWidthChanged() const { return m_cellWidthChanged; } + void setCellWidthChanged(bool b = true) { m_cellWidthChanged = b; } + +protected: + virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); + +private: + virtual const char* renderName() const { return isAnonymous() ? "RenderTableCell (anonymous)" : "RenderTableCell"; } + + virtual bool isTableCell() const { return true; } + + virtual void willBeDestroyed(); + + virtual void computeLogicalWidth(); + + virtual void paintBoxDecorations(PaintInfo&, const LayoutPoint&); + virtual void paintMask(PaintInfo&, const LayoutPoint&); + + virtual LayoutSize offsetFromContainer(RenderObject*, const LayoutPoint&) const; + virtual LayoutRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer) const; + virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, LayoutRect&, bool fixed = false) const; + + unsigned m_row : 31; + bool m_cellWidthChanged : 1; + unsigned m_column : 31; + bool m_hasAssociatedTableCellElement : 1; + int m_intrinsicPaddingBefore; + int m_intrinsicPaddingAfter; +}; + +inline RenderTableCell* toRenderTableCell(RenderObject* object) +{ + ASSERT(!object || object->isTableCell()); + return static_cast<RenderTableCell*>(object); +} + +inline const RenderTableCell* toRenderTableCell(const RenderObject* object) +{ + ASSERT(!object || object->isTableCell()); + return static_cast<const RenderTableCell*>(object); +} + +// This will catch anyone doing an unnecessary cast. +void toRenderTableCell(const RenderTableCell*); + +} // namespace WebCore + +#endif // RenderTableCell_h |