RenderTableCell.cpp [plain text]
#include "config.h"
#include "RenderTableCell.h"
#include "CollapsedBorderValue.h"
#include "FloatQuad.h"
#include "GraphicsContext.h"
#include "HTMLNames.h"
#include "HTMLTableCellElement.h"
#include "PaintInfo.h"
#include "RenderTableCol.h"
#include "RenderView.h"
#include "StyleProperties.h"
#include "TransformState.h"
#include <wtf/StackStats.h>
#if ENABLE(MATHML)
#include "MathMLElement.h"
#include "MathMLNames.h"
#endif
namespace WebCore {
using namespace HTMLNames;
struct SameSizeAsRenderTableCell : public RenderBlockFlow {
unsigned bitfields;
int paddings[2];
};
COMPILE_ASSERT(sizeof(RenderTableCell) == sizeof(SameSizeAsRenderTableCell), RenderTableCell_should_stay_small);
COMPILE_ASSERT(sizeof(CollapsedBorderValue) == 8, CollapsedBorderValue_should_stay_small);
RenderTableCell::RenderTableCell(Element& element, PassRef<RenderStyle> style)
: RenderBlockFlow(element, WTF::move(style))
, m_column(unsetColumnIndex)
, m_cellWidthChanged(false)
, m_intrinsicPaddingBefore(0)
, m_intrinsicPaddingAfter(0)
{
updateColAndRowSpanFlags();
}
RenderTableCell::RenderTableCell(Document& document, PassRef<RenderStyle> style)
: RenderBlockFlow(document, WTF::move(style))
, m_column(unsetColumnIndex)
, m_cellWidthChanged(false)
, m_hasColSpan(false)
, m_hasRowSpan(false)
, m_intrinsicPaddingBefore(0)
, m_intrinsicPaddingAfter(0)
{
}
void RenderTableCell::willBeRemovedFromTree()
{
RenderBlockFlow::willBeRemovedFromTree();
section()->setNeedsCellRecalc();
section()->removeCachedCollapsedBorders(this);
}
unsigned RenderTableCell::parseColSpanFromDOM() const
{
ASSERT(element());
if (element()->hasTagName(tdTag) || element()->hasTagName(thTag))
return std::min<unsigned>(toHTMLTableCellElement(element())->colSpan(), maxColumnIndex);
#if ENABLE(MATHML)
if (element()->hasTagName(MathMLNames::mtdTag))
return std::min<unsigned>(toMathMLElement(element())->colSpan(), maxColumnIndex);
#endif
return 1;
}
unsigned RenderTableCell::parseRowSpanFromDOM() const
{
ASSERT(element());
if (element()->hasTagName(tdTag) || element()->hasTagName(thTag))
return std::min<unsigned>(toHTMLTableCellElement(element())->rowSpan(), maxRowIndex);
#if ENABLE(MATHML)
if (element()->hasTagName(MathMLNames::mtdTag))
return std::min<unsigned>(toMathMLElement(element())->rowSpan(), maxRowIndex);
#endif
return 1;
}
void RenderTableCell::updateColAndRowSpanFlags()
{
m_hasColSpan = element() && parseColSpanFromDOM() != 1;
m_hasRowSpan = element() && parseRowSpanFromDOM() != 1;
}
void RenderTableCell::colSpanOrRowSpanChanged()
{
ASSERT(element());
#if ENABLE(MATHML)
ASSERT(element()->hasTagName(tdTag) || element()->hasTagName(thTag) || element()->hasTagName(MathMLNames::mtdTag));
#else
ASSERT(element()->hasTagName(tdTag) || element()->hasTagName(thTag));
#endif
updateColAndRowSpanFlags();
setNeedsLayoutAndPrefWidthsRecalc();
if (parent() && section())
section()->setNeedsCellRecalc();
}
Length RenderTableCell::logicalWidthFromColumns(RenderTableCol* firstColForThisCell, Length widthFromStyle) const
{
ASSERT(firstColForThisCell && firstColForThisCell == table()->colElement(col()));
RenderTableCol* tableCol = firstColForThisCell;
unsigned colSpanCount = colSpan();
int colWidthSum = 0;
for (unsigned i = 1; i <= colSpanCount; i++) {
Length colWidth = tableCol->style().logicalWidth();
if (!colWidth.isFixed()) {
if (colSpanCount > 1)
return widthFromStyle;
return colWidth;
}
colWidthSum += colWidth.value();
tableCol = tableCol->nextColumn();
if (!tableCol)
break;
}
if (colWidthSum > 0)
return Length(std::max(0, colWidthSum - borderAndPaddingLogicalWidth().ceil()), Fixed);
return Length(colWidthSum, Fixed);
}
void RenderTableCell::computePreferredLogicalWidths()
{
table()->recalcSectionsIfNeeded();
RenderBlockFlow::computePreferredLogicalWidths();
if (element() && style().autoWrap()) {
Length w = styleOrColLogicalWidth();
String nowrap = element()->getAttribute(nowrapAttr);
if (!nowrap.isNull() && w.isFixed())
m_minPreferredLogicalWidth = std::max<LayoutUnit>(w.value(), m_minPreferredLogicalWidth);
}
}
void RenderTableCell::computeIntrinsicPadding(int rowHeight)
{
int oldIntrinsicPaddingBefore = intrinsicPaddingBefore();
int oldIntrinsicPaddingAfter = intrinsicPaddingAfter();
int logicalHeightWithoutIntrinsicPadding = pixelSnappedLogicalHeight() - oldIntrinsicPaddingBefore - oldIntrinsicPaddingAfter;
int intrinsicPaddingBefore = 0;
switch (style().verticalAlign()) {
case SUB:
case SUPER:
case TEXT_TOP:
case TEXT_BOTTOM:
case LENGTH:
case BASELINE: {
LayoutUnit baseline = cellBaselinePosition();
if (baseline > borderAndPaddingBefore())
intrinsicPaddingBefore = section()->rowBaseline(rowIndex()) - (baseline - oldIntrinsicPaddingBefore);
break;
}
case TOP:
break;
case MIDDLE:
intrinsicPaddingBefore = (rowHeight - logicalHeightWithoutIntrinsicPadding) / 2;
break;
case BOTTOM:
intrinsicPaddingBefore = rowHeight - logicalHeightWithoutIntrinsicPadding;
break;
case BASELINE_MIDDLE:
break;
}
int intrinsicPaddingAfter = rowHeight - logicalHeightWithoutIntrinsicPadding - intrinsicPaddingBefore;
setIntrinsicPaddingBefore(intrinsicPaddingBefore);
setIntrinsicPaddingAfter(intrinsicPaddingAfter);
if (intrinsicPaddingBefore != oldIntrinsicPaddingBefore || intrinsicPaddingAfter != oldIntrinsicPaddingAfter)
setNeedsLayout(MarkOnlyThis);
}
void RenderTableCell::updateLogicalWidth()
{
}
void RenderTableCell::setCellLogicalWidth(int tableLayoutLogicalWidth)
{
if (tableLayoutLogicalWidth == logicalWidth())
return;
setNeedsLayout(MarkOnlyThis);
row()->setChildNeedsLayout(MarkOnlyThis);
if (!table()->selfNeedsLayout() && checkForRepaintDuringLayout())
repaint();
setLogicalWidth(tableLayoutLogicalWidth);
setCellWidthChanged(true);
}
void RenderTableCell::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
updateFirstLetter();
int oldCellBaseline = cellBaselinePosition();
layoutBlock(cellWidthChanged());
if (isBaselineAligned() && section()->rowBaseline(rowIndex()) && cellBaselinePosition() > section()->rowBaseline(rowIndex())) {
int newIntrinsicPaddingBefore = std::max<LayoutUnit>(0, intrinsicPaddingBefore() - std::max<LayoutUnit>(0, cellBaselinePosition() - oldCellBaseline));
setIntrinsicPaddingBefore(newIntrinsicPaddingBefore);
setNeedsLayout(MarkOnlyThis);
layoutBlock(cellWidthChanged());
}
setCellWidthChanged(false);
}
LayoutUnit RenderTableCell::paddingTop() const
{
int result = computedCSSPaddingTop();
if (!isHorizontalWritingMode())
return result;
return result + (style().writingMode() == TopToBottomWritingMode ? intrinsicPaddingBefore() : intrinsicPaddingAfter());
}
LayoutUnit RenderTableCell::paddingBottom() const
{
int result = computedCSSPaddingBottom();
if (!isHorizontalWritingMode())
return result;
return result + (style().writingMode() == TopToBottomWritingMode ? intrinsicPaddingAfter() : intrinsicPaddingBefore());
}
LayoutUnit RenderTableCell::paddingLeft() const
{
int result = computedCSSPaddingLeft();
if (isHorizontalWritingMode())
return result;
return result + (style().writingMode() == LeftToRightWritingMode ? intrinsicPaddingBefore() : intrinsicPaddingAfter());
}
LayoutUnit RenderTableCell::paddingRight() const
{
int result = computedCSSPaddingRight();
if (isHorizontalWritingMode())
return result;
return result + (style().writingMode() == LeftToRightWritingMode ? intrinsicPaddingAfter() : intrinsicPaddingBefore());
}
LayoutUnit RenderTableCell::paddingBefore() const
{
return static_cast<int>(computedCSSPaddingBefore()) + intrinsicPaddingBefore();
}
LayoutUnit RenderTableCell::paddingAfter() const
{
return static_cast<int>(computedCSSPaddingAfter()) + intrinsicPaddingAfter();
}
void RenderTableCell::setOverrideLogicalContentHeightFromRowHeight(LayoutUnit rowHeight)
{
clearIntrinsicPadding();
setOverrideLogicalContentHeight(std::max<LayoutUnit>(0, rowHeight - borderAndPaddingLogicalHeight()));
}
LayoutSize RenderTableCell::offsetFromContainer(RenderObject* o, const LayoutPoint& point, bool* offsetDependsOnPoint) const
{
ASSERT(o == container());
LayoutSize offset = RenderBlockFlow::offsetFromContainer(o, point, offsetDependsOnPoint);
if (parent())
offset -= parentBox()->locationOffset();
return offset;
}
LayoutRect RenderTableCell::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
{
if (!table()->collapseBorders() || table()->needsSectionRecalc())
return RenderBlockFlow::clippedOverflowRectForRepaint(repaintContainer);
bool rtl = !styleForCellFlow().isLeftToRightDirection();
int outlineSize = style().outlineSize();
int left = std::max(borderHalfLeft(true), outlineSize);
int right = std::max(borderHalfRight(true), outlineSize);
int top = std::max(borderHalfTop(true), outlineSize);
int bottom = std::max(borderHalfBottom(true), outlineSize);
if ((left && !rtl) || (right && rtl)) {
if (RenderTableCell* before = table()->cellBefore(this)) {
top = std::max(top, before->borderHalfTop(true));
bottom = std::max(bottom, before->borderHalfBottom(true));
}
}
if ((left && rtl) || (right && !rtl)) {
if (RenderTableCell* after = table()->cellAfter(this)) {
top = std::max(top, after->borderHalfTop(true));
bottom = std::max(bottom, after->borderHalfBottom(true));
}
}
if (top) {
if (RenderTableCell* above = table()->cellAbove(this)) {
left = std::max(left, above->borderHalfLeft(true));
right = std::max(right, above->borderHalfRight(true));
}
}
if (bottom) {
if (RenderTableCell* below = table()->cellBelow(this)) {
left = std::max(left, below->borderHalfLeft(true));
right = std::max(right, below->borderHalfRight(true));
}
}
LayoutPoint location(std::max<LayoutUnit>(left, -visualOverflowRect().x()), std::max<LayoutUnit>(top, -visualOverflowRect().y()));
LayoutRect r(-location.x(), -location.y(), location.x() + std::max(width() + right, visualOverflowRect().maxX()), location.y() + std::max(height() + bottom, visualOverflowRect().maxY()));
r.move(view().layoutDelta());
computeRectForRepaint(repaintContainer, r);
return r;
}
void RenderTableCell::computeRectForRepaint(const RenderLayerModelObject* repaintContainer, LayoutRect& r, bool fixed) const
{
if (repaintContainer == this)
return;
r.setY(r.y());
if ((!view().layoutStateEnabled() || repaintContainer) && parent())
r.moveBy(-parentBox()->location()); RenderBlockFlow::computeRectForRepaint(repaintContainer, r, fixed);
}
LayoutUnit RenderTableCell::cellBaselinePosition() const
{
LayoutUnit baseline = firstLineBaseline();
if (baseline != -1)
return baseline;
return borderAndPaddingBefore() + contentLogicalHeight();
}
void RenderTableCell::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
ASSERT(style().display() == TABLE_CELL);
ASSERT(!row() || row()->rowIndexWasSet());
RenderBlockFlow::styleDidChange(diff, oldStyle);
setHasBoxDecorations(true);
if (parent() && section() && oldStyle && style().height() != oldStyle->height())
section()->rowLogicalHeightChanged(rowIndex());
if (oldStyle && style().verticalAlign() != oldStyle->verticalAlign())
clearIntrinsicPadding();
if (parent()) {
RenderTable* table = this->table();
if (table && !table->selfNeedsLayout() && !table->normalChildNeedsLayout()&& oldStyle && oldStyle->border() != style().border())
table->invalidateCollapsedBorders();
}
}
static int compareBorders(const CollapsedBorderValue& border1, const CollapsedBorderValue& border2)
{
if (!border2.exists()) {
if (!border1.exists())
return 0;
return 1;
}
if (!border1.exists())
return -1;
if (border2.style() == BHIDDEN) {
if (border1.style() == BHIDDEN)
return 0;
return -1;
}
if (border1.style() == BHIDDEN)
return 1;
if (border2.style() == BNONE) {
if (border1.style() == BNONE)
return 0;
return 1;
}
if (border1.style() == BNONE)
return -1;
if (border1.width() != border2.width())
return border1.width() < border2.width() ? -1 : 1;
if (border1.style() != border2.style())
return border1.style() < border2.style() ? -1 : 1;
if (border1.precedence() == border2.precedence())
return 0;
return border1.precedence() < border2.precedence() ? -1 : 1;
}
static CollapsedBorderValue chooseBorder(const CollapsedBorderValue& border1, const CollapsedBorderValue& border2)
{
const CollapsedBorderValue& border = compareBorders(border1, border2) < 0 ? border2 : border1;
return border.style() == BHIDDEN ? CollapsedBorderValue() : border;
}
bool RenderTableCell::hasStartBorderAdjoiningTable() const
{
bool isStartColumn = !col();
bool isEndColumn = table()->colToEffCol(col() + colSpan() - 1) == table()->numEffCols() - 1;
bool hasSameDirectionAsTable = hasSameDirectionAs(section());
return (isStartColumn && hasSameDirectionAsTable) || (isEndColumn && !hasSameDirectionAsTable);
}
bool RenderTableCell::hasEndBorderAdjoiningTable() const
{
bool isStartColumn = !col();
bool isEndColumn = table()->colToEffCol(col() + colSpan() - 1) == table()->numEffCols() - 1;
bool hasSameDirectionAsTable = hasSameDirectionAs(section());
return (isStartColumn && !hasSameDirectionAsTable) || (isEndColumn && hasSameDirectionAsTable);
}
CollapsedBorderValue RenderTableCell::collapsedStartBorder(IncludeBorderColorOrNot includeColor) const
{
CollapsedBorderValue result = computeCollapsedStartBorder(includeColor);
if (includeColor)
section()->setCachedCollapsedBorder(this, CBSStart, result);
return result;
}
CollapsedBorderValue RenderTableCell::computeCollapsedStartBorder(IncludeBorderColorOrNot includeColor) const
{
RenderTable* table = this->table();
int startColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderStartColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
int endColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderEndColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
CollapsedBorderValue result(style().borderStart(), includeColor ? style().visitedDependentColor(startColorProperty) : Color(), BCELL);
RenderTableCell* cellBefore = table->cellBefore(this);
if (cellBefore) {
CollapsedBorderValue cellBeforeAdjoiningBorder = CollapsedBorderValue(cellBefore->borderAdjoiningCellAfter(this), includeColor ? cellBefore->style().visitedDependentColor(endColorProperty) : Color(), BCELL);
result = chooseBorder(cellBeforeAdjoiningBorder, result);
if (!result.exists())
return result;
}
bool startBorderAdjoinsTable = hasStartBorderAdjoiningTable();
if (startBorderAdjoinsTable) {
result = chooseBorder(result, CollapsedBorderValue(row()->borderAdjoiningStartCell(this), includeColor ? parent()->style().visitedDependentColor(startColorProperty) : Color(), BROW));
if (!result.exists())
return result;
result = chooseBorder(result, CollapsedBorderValue(section()->borderAdjoiningStartCell(this), includeColor ? section()->style().visitedDependentColor(startColorProperty) : Color(), BROWGROUP));
if (!result.exists())
return result;
}
bool startColEdge;
bool endColEdge;
if (RenderTableCol* colElt = table->colElement(col(), &startColEdge, &endColEdge)) {
if (colElt->isTableColumnGroup() && startColEdge) {
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellStartBorder(this), includeColor ? colElt->style().visitedDependentColor(startColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
} else if (!colElt->isTableColumnGroup()) {
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellStartBorder(this), includeColor ? colElt->style().visitedDependentColor(startColorProperty) : Color(), BCOL));
if (!result.exists())
return result;
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentBefore()) {
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellStartBorder(this), includeColor ? enclosingColumnGroup->style().visitedDependentColor(startColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
}
}
}
if (cellBefore) {
if (RenderTableCol* colElt = table->colElement(col() - 1, &startColEdge, &endColEdge)) {
if (colElt->isTableColumnGroup() && endColEdge) {
result = chooseBorder(CollapsedBorderValue(colElt->borderAdjoiningCellAfter(this), includeColor ? colElt->style().visitedDependentColor(endColorProperty) : Color(), BCOLGROUP), result);
if (!result.exists())
return result;
} else if (colElt->isTableColumn()) {
result = chooseBorder(CollapsedBorderValue(colElt->borderAdjoiningCellAfter(this), includeColor ? colElt->style().visitedDependentColor(endColorProperty) : Color(), BCOL), result);
if (!result.exists())
return result;
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentAfter()) {
result = chooseBorder(CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellEndBorder(this), includeColor ? enclosingColumnGroup->style().visitedDependentColor(endColorProperty) : Color(), BCOLGROUP), result);
if (!result.exists())
return result;
}
}
}
}
if (startBorderAdjoinsTable) {
result = chooseBorder(result, CollapsedBorderValue(table->tableStartBorderAdjoiningCell(this), includeColor ? table->style().visitedDependentColor(startColorProperty) : Color(), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedEndBorder(IncludeBorderColorOrNot includeColor) const
{
CollapsedBorderValue result = computeCollapsedEndBorder(includeColor);
if (includeColor)
section()->setCachedCollapsedBorder(this, CBSEnd, result);
return result;
}
CollapsedBorderValue RenderTableCell::computeCollapsedEndBorder(IncludeBorderColorOrNot includeColor) const
{
RenderTable* table = this->table();
bool isEndColumn = table->colToEffCol(col() + colSpan() - 1) == table->numEffCols() - 1;
int startColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderStartColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
int endColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderEndColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
CollapsedBorderValue result = CollapsedBorderValue(style().borderEnd(), includeColor ? style().visitedDependentColor(endColorProperty) : Color(), BCELL);
if (!isEndColumn) {
if (RenderTableCell* cellAfter = table->cellAfter(this)) {
CollapsedBorderValue cellAfterAdjoiningBorder = CollapsedBorderValue(cellAfter->borderAdjoiningCellBefore(this), includeColor ? cellAfter->style().visitedDependentColor(startColorProperty) : Color(), BCELL);
result = chooseBorder(result, cellAfterAdjoiningBorder);
if (!result.exists())
return result;
}
}
bool endBorderAdjoinsTable = hasEndBorderAdjoiningTable();
if (endBorderAdjoinsTable) {
result = chooseBorder(result, CollapsedBorderValue(row()->borderAdjoiningEndCell(this), includeColor ? parent()->style().visitedDependentColor(endColorProperty) : Color(), BROW));
if (!result.exists())
return result;
result = chooseBorder(result, CollapsedBorderValue(section()->borderAdjoiningEndCell(this), includeColor ? section()->style().visitedDependentColor(endColorProperty) : Color(), BROWGROUP));
if (!result.exists())
return result;
}
bool startColEdge;
bool endColEdge;
if (RenderTableCol* colElt = table->colElement(col() + colSpan() - 1, &startColEdge, &endColEdge)) {
if (colElt->isTableColumnGroup() && endColEdge) {
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellEndBorder(this), includeColor ? colElt->style().visitedDependentColor(endColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
} else if (!colElt->isTableColumnGroup()) {
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellEndBorder(this), includeColor ? colElt->style().visitedDependentColor(endColorProperty) : Color(), BCOL));
if (!result.exists())
return result;
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentAfter()) {
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellEndBorder(this), includeColor ? enclosingColumnGroup->style().visitedDependentColor(endColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
}
}
}
if (!isEndColumn) {
if (RenderTableCol* colElt = table->colElement(col() + colSpan(), &startColEdge, &endColEdge)) {
if (colElt->isTableColumnGroup() && startColEdge) {
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellBefore(this), includeColor ? colElt->style().visitedDependentColor(startColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
} else if (colElt->isTableColumn()) {
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellBefore(this), includeColor ? colElt->style().visitedDependentColor(startColorProperty) : Color(), BCOL));
if (!result.exists())
return result;
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentBefore()) {
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellStartBorder(this), includeColor ? enclosingColumnGroup->style().visitedDependentColor(startColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
}
}
}
}
if (endBorderAdjoinsTable) {
result = chooseBorder(result, CollapsedBorderValue(table->tableEndBorderAdjoiningCell(this), includeColor ? table->style().visitedDependentColor(endColorProperty) : Color(), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedBeforeBorder(IncludeBorderColorOrNot includeColor) const
{
CollapsedBorderValue result = computeCollapsedBeforeBorder(includeColor);
if (includeColor)
section()->setCachedCollapsedBorder(this, CBSBefore, result);
return result;
}
CollapsedBorderValue RenderTableCell::computeCollapsedBeforeBorder(IncludeBorderColorOrNot includeColor) const
{
RenderTable* table = this->table();
int beforeColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderBeforeColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
int afterColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderAfterColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
CollapsedBorderValue result = CollapsedBorderValue(style().borderBefore(), includeColor ? style().visitedDependentColor(beforeColorProperty) : Color(), BCELL);
RenderTableCell* prevCell = table->cellAbove(this);
if (prevCell) {
result = chooseBorder(CollapsedBorderValue(prevCell->style().borderAfter(), includeColor ? prevCell->style().visitedDependentColor(afterColorProperty) : Color(), BCELL), result);
if (!result.exists())
return result;
}
result = chooseBorder(result, CollapsedBorderValue(parent()->style().borderBefore(), includeColor ? parent()->style().visitedDependentColor(beforeColorProperty) : Color(), BROW));
if (!result.exists())
return result;
if (prevCell) {
RenderObject* prevRow = 0;
if (prevCell->section() == section())
prevRow = parent()->previousSibling();
else
prevRow = prevCell->section()->lastRow();
if (prevRow) {
result = chooseBorder(CollapsedBorderValue(prevRow->style().borderAfter(), includeColor ? prevRow->style().visitedDependentColor(afterColorProperty) : Color(), BROW), result);
if (!result.exists())
return result;
}
}
RenderTableSection* currSection = section();
if (!rowIndex()) {
result = chooseBorder(result, CollapsedBorderValue(currSection->style().borderBefore(), includeColor ? currSection->style().visitedDependentColor(beforeColorProperty) : Color(), BROWGROUP));
if (!result.exists())
return result;
currSection = table->sectionAbove(currSection, SkipEmptySections);
if (currSection) {
result = chooseBorder(CollapsedBorderValue(currSection->style().borderAfter(), includeColor ? currSection->style().visitedDependentColor(afterColorProperty) : Color(), BROWGROUP), result);
if (!result.exists())
return result;
}
}
if (!currSection) {
RenderTableCol* colElt = table->colElement(col());
if (colElt) {
result = chooseBorder(result, CollapsedBorderValue(colElt->style().borderBefore(), includeColor ? colElt->style().visitedDependentColor(beforeColorProperty) : Color(), BCOL));
if (!result.exists())
return result;
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroup()) {
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->style().borderBefore(), includeColor ? enclosingColumnGroup->style().visitedDependentColor(beforeColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
}
}
result = chooseBorder(result, CollapsedBorderValue(table->style().borderBefore(), includeColor ? table->style().visitedDependentColor(beforeColorProperty) : Color(), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedAfterBorder(IncludeBorderColorOrNot includeColor) const
{
CollapsedBorderValue result = computeCollapsedAfterBorder(includeColor);
if (includeColor)
section()->setCachedCollapsedBorder(this, CBSAfter, result);
return result;
}
CollapsedBorderValue RenderTableCell::computeCollapsedAfterBorder(IncludeBorderColorOrNot includeColor) const
{
RenderTable* table = this->table();
int beforeColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderBeforeColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
int afterColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderAfterColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : 0;
CollapsedBorderValue result = CollapsedBorderValue(style().borderAfter(), includeColor ? style().visitedDependentColor(afterColorProperty) : Color(), BCELL);
RenderTableCell* nextCell = table->cellBelow(this);
if (nextCell) {
result = chooseBorder(result, CollapsedBorderValue(nextCell->style().borderBefore(), includeColor ? nextCell->style().visitedDependentColor(beforeColorProperty) : Color(), BCELL));
if (!result.exists())
return result;
}
result = chooseBorder(result, CollapsedBorderValue(parent()->style().borderAfter(), includeColor ? parent()->style().visitedDependentColor(afterColorProperty) : Color(), BROW));
if (!result.exists())
return result;
if (nextCell) {
result = chooseBorder(result, CollapsedBorderValue(nextCell->parent()->style().borderBefore(), includeColor ? nextCell->parent()->style().visitedDependentColor(beforeColorProperty) : Color(), BROW));
if (!result.exists())
return result;
}
RenderTableSection* currSection = section();
if (rowIndex() + rowSpan() >= currSection->numRows()) {
result = chooseBorder(result, CollapsedBorderValue(currSection->style().borderAfter(), includeColor ? currSection->style().visitedDependentColor(afterColorProperty) : Color(), BROWGROUP));
if (!result.exists())
return result;
currSection = table->sectionBelow(currSection, SkipEmptySections);
if (currSection) {
result = chooseBorder(result, CollapsedBorderValue(currSection->style().borderBefore(), includeColor ? currSection->style().visitedDependentColor(beforeColorProperty) : Color(), BROWGROUP));
if (!result.exists())
return result;
}
}
if (!currSection) {
RenderTableCol* colElt = table->colElement(col());
if (colElt) {
result = chooseBorder(result, CollapsedBorderValue(colElt->style().borderAfter(), includeColor ? colElt->style().visitedDependentColor(afterColorProperty) : Color(), BCOL));
if (!result.exists()) return result;
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroup()) {
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->style().borderAfter(), includeColor ? enclosingColumnGroup->style().visitedDependentColor(afterColorProperty) : Color(), BCOLGROUP));
if (!result.exists())
return result;
}
}
result = chooseBorder(result, CollapsedBorderValue(table->style().borderAfter(), includeColor ? table->style().visitedDependentColor(afterColorProperty) : Color(), BTABLE));
if (!result.exists())
return result;
}
return result;
}
inline CollapsedBorderValue RenderTableCell::cachedCollapsedLeftBorder(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSStart) : section()->cachedCollapsedBorder(this, CBSEnd);
return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSAfter) : section()->cachedCollapsedBorder(this, CBSBefore);
}
inline CollapsedBorderValue RenderTableCell::cachedCollapsedRightBorder(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSEnd) : section()->cachedCollapsedBorder(this, CBSStart);
return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSBefore) : section()->cachedCollapsedBorder(this, CBSAfter);
}
inline CollapsedBorderValue RenderTableCell::cachedCollapsedTopBorder(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSAfter) : section()->cachedCollapsedBorder(this, CBSBefore);
return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSStart) : section()->cachedCollapsedBorder(this, CBSEnd);
}
inline CollapsedBorderValue RenderTableCell::cachedCollapsedBottomBorder(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isFlippedBlocksWritingMode() ? section()->cachedCollapsedBorder(this, CBSBefore) : section()->cachedCollapsedBorder(this, CBSAfter);
return styleForCellFlow->isLeftToRightDirection() ? section()->cachedCollapsedBorder(this, CBSEnd) : section()->cachedCollapsedBorder(this, CBSStart);
}
inline RenderTableCell* RenderTableCell::cellAtLeft(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isLeftToRightDirection() ? table()->cellBefore(this) : table()->cellAfter(this);
return styleForCellFlow->isFlippedBlocksWritingMode() ? table()->cellBelow(this) : table()->cellAbove(this);
}
inline RenderTableCell* RenderTableCell::cellAtRight(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isLeftToRightDirection() ? table()->cellAfter(this) : table()->cellBefore(this);
return styleForCellFlow->isFlippedBlocksWritingMode() ? table()->cellAbove(this) : table()->cellBelow(this);
}
inline RenderTableCell* RenderTableCell::cellAtTop(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isFlippedBlocksWritingMode() ? table()->cellBelow(this) : table()->cellAbove(this);
return styleForCellFlow->isLeftToRightDirection() ? table()->cellBefore(this) : table()->cellAfter(this);
}
inline RenderTableCell* RenderTableCell::cellAtBottom(const RenderStyle* styleForCellFlow) const
{
if (styleForCellFlow->isHorizontalWritingMode())
return styleForCellFlow->isFlippedBlocksWritingMode() ? table()->cellAbove(this) : table()->cellBelow(this);
return styleForCellFlow->isLeftToRightDirection() ? table()->cellAfter(this) : table()->cellBefore(this);
}
LayoutUnit RenderTableCell::borderLeft() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderLeft();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfLeft(false)) : RenderBlockFlow::borderLeft();
}
LayoutUnit RenderTableCell::borderRight() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderRight();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfRight(false)) : RenderBlockFlow::borderRight();
}
LayoutUnit RenderTableCell::borderTop() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderTop();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfTop(false)) : RenderBlockFlow::borderTop();
}
LayoutUnit RenderTableCell::borderBottom() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderBottom();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfBottom(false)) : RenderBlockFlow::borderBottom();
}
LayoutUnit RenderTableCell::borderStart() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderStart();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfStart(false)) : RenderBlockFlow::borderStart();
}
LayoutUnit RenderTableCell::borderEnd() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderEnd();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfEnd(false)) : RenderBlockFlow::borderEnd();
}
LayoutUnit RenderTableCell::borderBefore() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderBefore();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfBefore(false)) : RenderBlockFlow::borderBefore();
}
LayoutUnit RenderTableCell::borderAfter() const
{
RenderTable* table = this->table();
if (!table)
return RenderBlockFlow::borderAfter();
return table->collapseBorders() ? LayoutUnit::fromPixel(borderHalfAfter(false)) : RenderBlockFlow::borderAfter();
}
int RenderTableCell::borderHalfLeft(bool outer) const
{
const RenderStyle& styleForCellFlow = this->styleForCellFlow();
if (styleForCellFlow.isHorizontalWritingMode())
return styleForCellFlow.isLeftToRightDirection() ? borderHalfStart(outer) : borderHalfEnd(outer);
return styleForCellFlow.isFlippedBlocksWritingMode() ? borderHalfAfter(outer) : borderHalfBefore(outer);
}
int RenderTableCell::borderHalfRight(bool outer) const
{
const RenderStyle& styleForCellFlow = this->styleForCellFlow();
if (styleForCellFlow.isHorizontalWritingMode())
return styleForCellFlow.isLeftToRightDirection() ? borderHalfEnd(outer) : borderHalfStart(outer);
return styleForCellFlow.isFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);
}
int RenderTableCell::borderHalfTop(bool outer) const
{
const RenderStyle& styleForCellFlow = this->styleForCellFlow();
if (styleForCellFlow.isHorizontalWritingMode())
return styleForCellFlow.isFlippedBlocksWritingMode() ? borderHalfAfter(outer) : borderHalfBefore(outer);
return styleForCellFlow.isLeftToRightDirection() ? borderHalfStart(outer) : borderHalfEnd(outer);
}
int RenderTableCell::borderHalfBottom(bool outer) const
{
const RenderStyle& styleForCellFlow = this->styleForCellFlow();
if (styleForCellFlow.isHorizontalWritingMode())
return styleForCellFlow.isFlippedBlocksWritingMode() ? borderHalfBefore(outer) : borderHalfAfter(outer);
return styleForCellFlow.isLeftToRightDirection() ? borderHalfEnd(outer) : borderHalfStart(outer);
}
int RenderTableCell::borderHalfStart(bool outer) const
{
CollapsedBorderValue border = collapsedStartBorder(DoNotIncludeBorderColor);
if (border.exists())
return (border.width() + ((styleForCellFlow().isLeftToRightDirection() ^ outer) ? 1 : 0)) / 2; return 0;
}
int RenderTableCell::borderHalfEnd(bool outer) const
{
CollapsedBorderValue border = collapsedEndBorder(DoNotIncludeBorderColor);
if (border.exists())
return (border.width() + ((styleForCellFlow().isLeftToRightDirection() ^ outer) ? 0 : 1)) / 2;
return 0;
}
int RenderTableCell::borderHalfBefore(bool outer) const
{
CollapsedBorderValue border = collapsedBeforeBorder(DoNotIncludeBorderColor);
if (border.exists())
return (border.width() + ((styleForCellFlow().isFlippedBlocksWritingMode() ^ outer) ? 0 : 1)) / 2; return 0;
}
int RenderTableCell::borderHalfAfter(bool outer) const
{
CollapsedBorderValue border = collapsedAfterBorder(DoNotIncludeBorderColor);
if (border.exists())
return (border.width() + ((styleForCellFlow().isFlippedBlocksWritingMode() ^ outer) ? 1 : 0)) / 2;
return 0;
}
void RenderTableCell::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(paintInfo.phase != PaintPhaseCollapsedTableBorders);
RenderBlockFlow::paint(paintInfo, paintOffset);
}
static EBorderStyle collapsedBorderStyle(EBorderStyle style)
{
if (style == OUTSET)
return GROOVE;
if (style == INSET)
return RIDGE;
return style;
}
struct CollapsedBorder {
CollapsedBorderValue borderValue;
BoxSide side;
bool shouldPaint;
int x1;
int y1;
int x2;
int y2;
EBorderStyle style;
};
class CollapsedBorders {
public:
CollapsedBorders()
: m_count(0)
{
}
void addBorder(const CollapsedBorderValue& borderValue, BoxSide borderSide, bool shouldPaint,
int x1, int y1, int x2, int y2, EBorderStyle borderStyle)
{
if (borderValue.exists() && shouldPaint) {
m_borders[m_count].borderValue = borderValue;
m_borders[m_count].side = borderSide;
m_borders[m_count].shouldPaint = shouldPaint;
m_borders[m_count].x1 = x1;
m_borders[m_count].x2 = x2;
m_borders[m_count].y1 = y1;
m_borders[m_count].y2 = y2;
m_borders[m_count].style = borderStyle;
m_count++;
}
}
CollapsedBorder* nextBorder()
{
for (unsigned i = 0; i < m_count; i++) {
if (m_borders[i].borderValue.exists() && m_borders[i].shouldPaint) {
m_borders[i].shouldPaint = false;
return &m_borders[i];
}
}
return 0;
}
CollapsedBorder m_borders[4];
unsigned m_count;
};
static void addBorderStyle(RenderTable::CollapsedBorderValues& borderValues,
CollapsedBorderValue borderValue)
{
if (!borderValue.exists())
return;
size_t count = borderValues.size();
for (size_t i = 0; i < count; ++i)
if (borderValues[i].isSameIgnoringColor(borderValue))
return;
borderValues.append(borderValue);
}
void RenderTableCell::collectBorderValues(RenderTable::CollapsedBorderValues& borderValues) const
{
addBorderStyle(borderValues, collapsedStartBorder());
addBorderStyle(borderValues, collapsedEndBorder());
addBorderStyle(borderValues, collapsedBeforeBorder());
addBorderStyle(borderValues, collapsedAfterBorder());
}
static int compareBorderValuesForQSort(const void* pa, const void* pb)
{
const CollapsedBorderValue* a = static_cast<const CollapsedBorderValue*>(pa);
const CollapsedBorderValue* b = static_cast<const CollapsedBorderValue*>(pb);
if (a->isSameIgnoringColor(*b))
return 0;
return compareBorders(*a, *b);
}
void RenderTableCell::sortBorderValues(RenderTable::CollapsedBorderValues& borderValues)
{
qsort(borderValues.data(), borderValues.size(), sizeof(CollapsedBorderValue),
compareBorderValuesForQSort);
}
void RenderTableCell::paintCollapsedBorders(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(paintInfo.phase == PaintPhaseCollapsedTableBorders);
if (!paintInfo.shouldPaintWithinRoot(*this) || style().visibility() != VISIBLE)
return;
LayoutRect localRepaintRect = paintInfo.rect;
localRepaintRect.inflate(maximalOutlineSize(paintInfo.phase));
LayoutRect paintRect = LayoutRect(paintOffset + location(), pixelSnappedSize());
if (paintRect.y() - table()->outerBorderTop() >= localRepaintRect.maxY())
return;
if (paintRect.maxY() + table()->outerBorderBottom() <= localRepaintRect.y())
return;
GraphicsContext* graphicsContext = paintInfo.context;
if (!table()->currentBorderValue() || graphicsContext->paintingDisabled())
return;
const RenderStyle& styleForCellFlow = this->styleForCellFlow();
CollapsedBorderValue leftVal = cachedCollapsedLeftBorder(&styleForCellFlow);
CollapsedBorderValue rightVal = cachedCollapsedRightBorder(&styleForCellFlow);
CollapsedBorderValue topVal = cachedCollapsedTopBorder(&styleForCellFlow);
CollapsedBorderValue bottomVal = cachedCollapsedBottomBorder(&styleForCellFlow);
int topWidth = topVal.width();
int bottomWidth = bottomVal.width();
int leftWidth = leftVal.width();
int rightWidth = rightVal.width();
IntRect borderRect = pixelSnappedIntRect(paintRect.x() - leftWidth / 2,
paintRect.y() - topWidth / 2,
paintRect.width() + leftWidth / 2 + (rightWidth + 1) / 2,
paintRect.height() + topWidth / 2 + (bottomWidth + 1) / 2);
EBorderStyle topStyle = collapsedBorderStyle(topVal.style());
EBorderStyle bottomStyle = collapsedBorderStyle(bottomVal.style());
EBorderStyle leftStyle = collapsedBorderStyle(leftVal.style());
EBorderStyle rightStyle = collapsedBorderStyle(rightVal.style());
bool renderTop = topStyle > BHIDDEN && !topVal.isTransparent();
bool renderBottom = bottomStyle > BHIDDEN && !bottomVal.isTransparent();
bool renderLeft = leftStyle > BHIDDEN && !leftVal.isTransparent();
bool renderRight = rightStyle > BHIDDEN && !rightVal.isTransparent();
CollapsedBorders borders;
borders.addBorder(topVal, BSTop, renderTop, borderRect.x(), borderRect.y(), borderRect.maxX(), borderRect.y() + topWidth, topStyle);
borders.addBorder(bottomVal, BSBottom, renderBottom, borderRect.x(), borderRect.maxY() - bottomWidth, borderRect.maxX(), borderRect.maxY(), bottomStyle);
borders.addBorder(leftVal, BSLeft, renderLeft, borderRect.x(), borderRect.y(), borderRect.x() + leftWidth, borderRect.maxY(), leftStyle);
borders.addBorder(rightVal, BSRight, renderRight, borderRect.maxX() - rightWidth, borderRect.y(), borderRect.maxX(), borderRect.maxY(), rightStyle);
bool antialias = shouldAntialiasLines(graphicsContext);
for (CollapsedBorder* border = borders.nextBorder(); border; border = borders.nextBorder()) {
if (border->borderValue.isSameIgnoringColor(*table()->currentBorderValue()))
drawLineForBoxSide(graphicsContext, border->x1, border->y1, border->x2, border->y2, border->side,
border->borderValue.color(), border->style, 0, 0, antialias);
}
}
void RenderTableCell::paintBackgroundsBehindCell(PaintInfo& paintInfo, const LayoutPoint& paintOffset, RenderElement* backgroundObject)
{
if (!paintInfo.shouldPaintWithinRoot(*this))
return;
if (!backgroundObject)
return;
if (style().visibility() != VISIBLE)
return;
RenderTable* tableElt = table();
if (!tableElt->collapseBorders() && style().emptyCells() == HIDE && !firstChild())
return;
LayoutPoint adjustedPaintOffset = paintOffset;
if (backgroundObject != this)
adjustedPaintOffset.moveBy(location());
Color c = backgroundObject->style().visitedDependentColor(CSSPropertyBackgroundColor);
const FillLayer* bgLayer = backgroundObject->style().backgroundLayers();
if (bgLayer->hasImage() || c.isValid()) {
bool shouldClip = backgroundObject->hasLayer() && (backgroundObject == this || backgroundObject == parent()) && tableElt->collapseBorders();
GraphicsContextStateSaver stateSaver(*paintInfo.context, shouldClip);
if (shouldClip) {
LayoutRect clipRect(adjustedPaintOffset.x() + borderLeft(), adjustedPaintOffset.y() + borderTop(),
width() - borderLeft() - borderRight(), height() - borderTop() - borderBottom());
paintInfo.context->clip(clipRect);
}
paintFillLayers(paintInfo, c, bgLayer, LayoutRect(adjustedPaintOffset, pixelSnappedSize()), BackgroundBleedNone, CompositeSourceOver, backgroundObject);
}
}
void RenderTableCell::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(*this))
return;
RenderTable* tableElt = table();
if (!tableElt->collapseBorders() && style().emptyCells() == HIDE && !firstChild())
return;
LayoutRect paintRect = LayoutRect(paintOffset, pixelSnappedSize());
paintBoxShadow(paintInfo, paintRect, style(), Normal);
paintBackgroundsBehindCell(paintInfo, paintOffset, this);
paintBoxShadow(paintInfo, paintRect, style(), Inset);
if (!style().hasBorder() || tableElt->collapseBorders() || (!firstChild() && document().inQuirksMode()))
return;
paintBorder(paintInfo, paintRect, style());
}
void RenderTableCell::paintMask(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (style().visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
RenderTable* tableElt = table();
if (!tableElt->collapseBorders() && style().emptyCells() == HIDE && !firstChild())
return;
paintMaskImages(paintInfo, LayoutRect(paintOffset, pixelSnappedSize()));
}
bool RenderTableCell::boxShadowShouldBeAppliedToBackground(BackgroundBleedAvoidance, InlineFlowBox*) const
{
return false;
}
void RenderTableCell::scrollbarsChanged(bool horizontalScrollbarChanged, bool verticalScrollbarChanged)
{
LayoutUnit scrollbarHeight = scrollbarLogicalHeight();
if (!scrollbarHeight)
return;
if ((isHorizontalWritingMode() && !horizontalScrollbarChanged) ||
(!isHorizontalWritingMode() && !verticalScrollbarChanged))
return;
if (style().verticalAlign() == MIDDLE) {
LayoutUnit totalHeight = logicalHeight();
LayoutUnit heightWithoutIntrinsicPadding = totalHeight - intrinsicPaddingBefore() - intrinsicPaddingAfter();
totalHeight -= scrollbarHeight;
LayoutUnit newBeforePadding = (totalHeight - heightWithoutIntrinsicPadding) / 2;
LayoutUnit newAfterPadding = totalHeight - heightWithoutIntrinsicPadding - newBeforePadding;
setIntrinsicPaddingBefore(newBeforePadding);
setIntrinsicPaddingAfter(newAfterPadding);
} else
setIntrinsicPaddingAfter(intrinsicPaddingAfter() - scrollbarHeight);
}
RenderTableCell* RenderTableCell::createAnonymousWithParentRenderer(const RenderObject* parent)
{
auto cell = new RenderTableCell(parent->document(), RenderStyle::createAnonymousStyleWithDisplay(&parent->style(), TABLE_CELL));
cell->initializeStyle();
return cell;
}
}