1399 lines
65 KiB
C++
1399 lines
65 KiB
C++
/*
|
|
* 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, 2008, 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.
|
|
*/
|
|
|
|
#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 "RenderTheme.h"
|
|
#include "RenderView.h"
|
|
#include "Settings.h"
|
|
#include "StyleProperties.h"
|
|
#include "TransformState.h"
|
|
#include <wtf/IsoMallocInlines.h>
|
|
#include <wtf/StackStats.h>
|
|
|
|
#if ENABLE(MATHML)
|
|
#include "MathMLElement.h"
|
|
#include "MathMLNames.h"
|
|
#endif
|
|
|
|
namespace WebCore {
|
|
|
|
using namespace HTMLNames;
|
|
|
|
WTF_MAKE_ISO_ALLOCATED_IMPL(RenderTableCell);
|
|
|
|
struct SameSizeAsRenderTableCell : public RenderBlockFlow {
|
|
unsigned bitfields;
|
|
LayoutUnit padding[2];
|
|
};
|
|
|
|
COMPILE_ASSERT(sizeof(RenderTableCell) == sizeof(SameSizeAsRenderTableCell), RenderTableCell_should_stay_small);
|
|
COMPILE_ASSERT(sizeof(CollapsedBorderValue) <= 24, CollapsedBorderValue_should_stay_small);
|
|
|
|
RenderTableCell::RenderTableCell(Element& element, RenderStyle&& style)
|
|
: RenderBlockFlow(element, WTFMove(style))
|
|
, m_column(unsetColumnIndex)
|
|
, m_cellWidthChanged(false)
|
|
, m_hasColSpan(false)
|
|
, m_hasRowSpan(false)
|
|
, m_hasEmptyCollapsedBeforeBorder(false)
|
|
, m_hasEmptyCollapsedAfterBorder(false)
|
|
, m_hasEmptyCollapsedStartBorder(false)
|
|
, m_hasEmptyCollapsedEndBorder(false)
|
|
{
|
|
// We only update the flags when notified of DOM changes in colSpanOrRowSpanChanged()
|
|
// so we need to set their initial values here in case something asks for colSpan()/rowSpan() before then.
|
|
updateColAndRowSpanFlags();
|
|
}
|
|
|
|
RenderTableCell::RenderTableCell(Document& document, RenderStyle&& style)
|
|
: RenderBlockFlow(document, WTFMove(style))
|
|
, m_column(unsetColumnIndex)
|
|
, m_cellWidthChanged(false)
|
|
, m_hasColSpan(false)
|
|
, m_hasRowSpan(false)
|
|
, m_hasEmptyCollapsedBeforeBorder(false)
|
|
, m_hasEmptyCollapsedAfterBorder(false)
|
|
, m_hasEmptyCollapsedStartBorder(false)
|
|
, m_hasEmptyCollapsedEndBorder(false)
|
|
{
|
|
}
|
|
|
|
void RenderTableCell::willBeRemovedFromTree(IsInternalMove isInternalMove)
|
|
{
|
|
RenderBlockFlow::willBeRemovedFromTree(isInternalMove);
|
|
if (!table() || !section())
|
|
return;
|
|
RenderTableSection* section = this->section();
|
|
table()->invalidateCollapsedBorders();
|
|
section->setNeedsCellRecalc();
|
|
}
|
|
|
|
unsigned RenderTableCell::parseColSpanFromDOM() const
|
|
{
|
|
ASSERT(element());
|
|
if (is<HTMLTableCellElement>(*element()))
|
|
return std::min<unsigned>(downcast<HTMLTableCellElement>(*element()).colSpan(), maxColumnIndex);
|
|
#if ENABLE(MATHML)
|
|
if (element()->hasTagName(MathMLNames::mtdTag))
|
|
return std::min<unsigned>(downcast<MathMLElement>(*element()).colSpan(), maxColumnIndex);
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
unsigned RenderTableCell::parseRowSpanFromDOM() const
|
|
{
|
|
ASSERT(element());
|
|
if (is<HTMLTableCellElement>(*element()))
|
|
return std::min<unsigned>(downcast<HTMLTableCellElement>(*element()).rowSpan(), maxRowIndex);
|
|
#if ENABLE(MATHML)
|
|
if (element()->hasTagName(MathMLNames::mtdTag))
|
|
return std::min<unsigned>(downcast<MathMLElement>(*element()).rowSpan(), maxRowIndex);
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
void RenderTableCell::updateColAndRowSpanFlags()
|
|
{
|
|
// The vast majority of table cells do not have a colspan or rowspan,
|
|
// so we keep a bool to know if we need to bother reading from the DOM.
|
|
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();
|
|
|
|
// FIXME: I suspect that we could return early here if !m_hasColSpan && !m_hasRowSpan.
|
|
|
|
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();
|
|
LayoutUnit colWidthSum;
|
|
for (unsigned i = 1; i <= colSpanCount; i++) {
|
|
Length colWidth = tableCol->style().logicalWidth();
|
|
|
|
// Percentage value should be returned only for colSpan == 1.
|
|
// Otherwise we return original width for the cell.
|
|
if (!colWidth.isFixed()) {
|
|
if (colSpanCount > 1)
|
|
return widthFromStyle;
|
|
return colWidth;
|
|
}
|
|
|
|
colWidthSum += colWidth.value();
|
|
tableCol = tableCol->nextColumn();
|
|
// If no next <col> tag found for the span we just return what we have for now.
|
|
if (!tableCol)
|
|
break;
|
|
}
|
|
|
|
// Column widths specified on <col> apply to the border box of the cell, see bug 8126.
|
|
// FIXME: Why is border/padding ignored in the negative width case?
|
|
if (colWidthSum > 0)
|
|
return Length(std::max<LayoutUnit>(0, colWidthSum - borderAndPaddingLogicalWidth()), LengthType::Fixed);
|
|
return Length(colWidthSum, LengthType::Fixed);
|
|
}
|
|
|
|
void RenderTableCell::computePreferredLogicalWidths()
|
|
{
|
|
// The child cells rely on the grids up in the sections to do their computePreferredLogicalWidths work. Normally the sections are set up early, as table
|
|
// cells are added, but relayout can cause the cells to be freed, leaving stale pointers in the sections'
|
|
// grids. We must refresh those grids before the child cells try to use them.
|
|
table()->recalcSectionsIfNeeded();
|
|
|
|
RenderBlockFlow::computePreferredLogicalWidths();
|
|
if (!element() || !style().autoWrap() || !element()->hasAttributeWithoutSynchronization(nowrapAttr))
|
|
return;
|
|
|
|
Length w = styleOrColLogicalWidth();
|
|
if (w.isFixed()) {
|
|
// Nowrap is set, but we didn't actually use it because of the
|
|
// fixed width set on the cell. Even so, it is a WinIE/Moz trait
|
|
// to make the minwidth of the cell into the fixed width. They do this
|
|
// even in strict mode, so do not make this a quirk. Affected the top
|
|
// of hiptop.com.
|
|
m_minPreferredLogicalWidth = std::max(LayoutUnit(w.value()), m_minPreferredLogicalWidth);
|
|
}
|
|
}
|
|
|
|
void RenderTableCell::computeIntrinsicPadding(LayoutUnit rowHeight)
|
|
{
|
|
LayoutUnit oldIntrinsicPaddingBefore = intrinsicPaddingBefore();
|
|
LayoutUnit oldIntrinsicPaddingAfter = intrinsicPaddingAfter();
|
|
LayoutUnit logicalHeightWithoutIntrinsicPadding = logicalHeight() - oldIntrinsicPaddingBefore - oldIntrinsicPaddingAfter;
|
|
|
|
LayoutUnit intrinsicPaddingBefore;
|
|
switch (style().verticalAlign()) {
|
|
case VerticalAlign::Sub:
|
|
case VerticalAlign::Super:
|
|
case VerticalAlign::TextTop:
|
|
case VerticalAlign::TextBottom:
|
|
case VerticalAlign::Length:
|
|
case VerticalAlign::Baseline: {
|
|
LayoutUnit baseline = cellBaselinePosition();
|
|
if (baseline > borderAndPaddingBefore())
|
|
intrinsicPaddingBefore = section()->rowBaseline(rowIndex()) - (baseline - oldIntrinsicPaddingBefore);
|
|
break;
|
|
}
|
|
case VerticalAlign::Top:
|
|
break;
|
|
case VerticalAlign::Middle:
|
|
intrinsicPaddingBefore = (rowHeight - logicalHeightWithoutIntrinsicPadding) / 2;
|
|
break;
|
|
case VerticalAlign::Bottom:
|
|
intrinsicPaddingBefore = rowHeight - logicalHeightWithoutIntrinsicPadding;
|
|
break;
|
|
case VerticalAlign::BaselineMiddle:
|
|
break;
|
|
}
|
|
|
|
LayoutUnit intrinsicPaddingAfter = rowHeight - logicalHeightWithoutIntrinsicPadding - intrinsicPaddingBefore;
|
|
setIntrinsicPaddingBefore(intrinsicPaddingBefore);
|
|
setIntrinsicPaddingAfter(intrinsicPaddingAfter);
|
|
|
|
// FIXME: Changing an intrinsic padding shouldn't trigger a relayout as it only shifts the cell inside the row but
|
|
// doesn't change the logical height.
|
|
if (intrinsicPaddingBefore != oldIntrinsicPaddingBefore || intrinsicPaddingAfter != oldIntrinsicPaddingAfter)
|
|
setNeedsLayout(MarkOnlyThis);
|
|
}
|
|
|
|
void RenderTableCell::updateLogicalWidth()
|
|
{
|
|
}
|
|
|
|
void RenderTableCell::setCellLogicalWidth(LayoutUnit 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;
|
|
|
|
int oldCellBaseline = cellBaselinePosition();
|
|
layoutBlock(cellWidthChanged());
|
|
|
|
// If we have replaced content, the intrinsic height of our content may have changed since the last time we laid out. If that's the case the intrinsic padding we used
|
|
// for layout (the padding required to push the contents of the cell down to the row's baseline) is included in our new height and baseline and makes both
|
|
// of them wrong. So if our content's intrinsic height has changed push the new content up into the intrinsic padding and relayout so that the rest of
|
|
// table and row layout can use the correct baseline and height for this cell.
|
|
if (isBaselineAligned() && section()->rowBaseline(rowIndex()) && cellBaselinePosition() > section()->rowBaseline(rowIndex())) {
|
|
LayoutUnit newIntrinsicPaddingBefore = std::max<LayoutUnit>(0, intrinsicPaddingBefore() - std::max<LayoutUnit>(0, cellBaselinePosition() - oldCellBaseline));
|
|
setIntrinsicPaddingBefore(newIntrinsicPaddingBefore);
|
|
setNeedsLayout(MarkOnlyThis);
|
|
layoutBlock(cellWidthChanged());
|
|
}
|
|
invalidateHasEmptyCollapsedBorders();
|
|
|
|
// FIXME: This value isn't the intrinsic content logical height, but we need
|
|
// to update the value as its used by flexbox layout. crbug.com/367324
|
|
cacheIntrinsicContentLogicalHeightForFlexItem(contentLogicalHeight());
|
|
|
|
setCellWidthChanged(false);
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::paddingTop() const
|
|
{
|
|
LayoutUnit result = computedCSSPaddingTop();
|
|
if (!isHorizontalWritingMode())
|
|
return result;
|
|
return result + (style().writingMode() == WritingMode::TopToBottom ? intrinsicPaddingBefore() : intrinsicPaddingAfter());
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::paddingBottom() const
|
|
{
|
|
LayoutUnit result = computedCSSPaddingBottom();
|
|
if (!isHorizontalWritingMode())
|
|
return result;
|
|
return result + (style().writingMode() == WritingMode::TopToBottom ? intrinsicPaddingAfter() : intrinsicPaddingBefore());
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::paddingLeft() const
|
|
{
|
|
LayoutUnit result = computedCSSPaddingLeft();
|
|
if (isHorizontalWritingMode())
|
|
return result;
|
|
return result + (style().writingMode() == WritingMode::LeftToRight ? intrinsicPaddingBefore() : intrinsicPaddingAfter());
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::paddingRight() const
|
|
{
|
|
LayoutUnit result = computedCSSPaddingRight();
|
|
if (isHorizontalWritingMode())
|
|
return result;
|
|
return result + (style().writingMode() == WritingMode::LeftToRight ? intrinsicPaddingAfter() : intrinsicPaddingBefore());
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::paddingBefore() const
|
|
{
|
|
return computedCSSPaddingBefore() + intrinsicPaddingBefore();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::paddingAfter() const
|
|
{
|
|
return computedCSSPaddingAfter() + intrinsicPaddingAfter();
|
|
}
|
|
|
|
void RenderTableCell::setOverridingLogicalHeightFromRowHeight(LayoutUnit rowHeight)
|
|
{
|
|
clearIntrinsicPadding();
|
|
setOverridingLogicalHeight(rowHeight);
|
|
}
|
|
|
|
LayoutSize RenderTableCell::offsetFromContainer(RenderElement& container, const LayoutPoint& point, bool* offsetDependsOnPoint) const
|
|
{
|
|
ASSERT(&container == this->container());
|
|
|
|
LayoutSize offset = RenderBlockFlow::offsetFromContainer(container, point, offsetDependsOnPoint);
|
|
if (parent())
|
|
offset -= parentBox()->locationOffset();
|
|
|
|
return offset;
|
|
}
|
|
|
|
LayoutRect RenderTableCell::clippedOverflowRect(const RenderLayerModelObject* repaintContainer, VisibleRectContext context) const
|
|
{
|
|
// If the table grid is dirty, we cannot get reliable information about adjoining cells,
|
|
// so we ignore outside borders. This should not be a problem because it means that
|
|
// the table is going to recalculate the grid, relayout and repaint its current rect, which
|
|
// includes any outside borders of this cell.
|
|
if (!table()->collapseBorders() || table()->needsSectionRecalc())
|
|
return RenderBlockFlow::clippedOverflowRect(repaintContainer, context);
|
|
|
|
bool rtl = !styleForCellFlow().isLeftToRightDirection();
|
|
LayoutUnit outlineSize { style().outlineSize() };
|
|
LayoutUnit left = std::max(borderHalfLeft(true), outlineSize);
|
|
LayoutUnit right = std::max(borderHalfRight(true), outlineSize);
|
|
LayoutUnit top = std::max(borderHalfTop(true), outlineSize);
|
|
LayoutUnit 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()));
|
|
|
|
// FIXME: layoutDelta needs to be applied in parts before/after transforms and
|
|
// repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308
|
|
r.move(view().frameView().layoutContext().layoutDelta());
|
|
return computeRect(r, repaintContainer, context);
|
|
}
|
|
|
|
std::optional<LayoutRect> RenderTableCell::computeVisibleRectInContainer(const LayoutRect& rect, const RenderLayerModelObject* container, VisibleRectContext context) const
|
|
{
|
|
if (container == this)
|
|
return rect;
|
|
LayoutRect adjustedRect = rect;
|
|
if ((!view().frameView().layoutContext().isPaintOffsetCacheEnabled() || container || context.options.contains(VisibleRectContextOption::UseEdgeInclusiveIntersection)) && parent())
|
|
adjustedRect.moveBy(-parentBox()->location()); // Rows are in the same coordinate space, so don't add their offset in.
|
|
return RenderBlockFlow::computeVisibleRectInContainer(adjustedRect, container, context);
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::cellBaselinePosition() const
|
|
{
|
|
// <http://www.w3.org/TR/2007/CR-CSS21-20070719/tables.html#height-layout>: The baseline of a cell is the baseline of
|
|
// the first in-flow line box in the cell, or the first in-flow table-row in the cell, whichever comes first. If there
|
|
// is no such line box or table-row, the baseline is the bottom of content edge of the cell box.
|
|
return firstLineBaseline().value_or(borderAndPaddingBefore() + contentLogicalHeight());
|
|
}
|
|
|
|
static inline void markCellDirtyWhenCollapsedBorderChanges(RenderTableCell* cell)
|
|
{
|
|
if (!cell)
|
|
return;
|
|
cell->setNeedsLayoutAndPrefWidthsRecalc();
|
|
}
|
|
|
|
void RenderTableCell::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
|
|
{
|
|
ASSERT(style().display() == DisplayType::TableCell);
|
|
ASSERT(!row() || row()->rowIndexWasSet());
|
|
|
|
RenderBlockFlow::styleDidChange(diff, oldStyle);
|
|
setHasVisibleBoxDecorations(true); // FIXME: Optimize this to only set to true if necessary.
|
|
|
|
if (parent() && section() && oldStyle && style().height() != oldStyle->height())
|
|
section()->rowLogicalHeightChanged(rowIndex());
|
|
|
|
// Our intrinsic padding pushes us down to align with the baseline of other cells on the row. If our vertical-align
|
|
// has changed then so will the padding needed to align with other cells - clear it so we can recalculate it from scratch.
|
|
if (oldStyle && style().verticalAlign() != oldStyle->verticalAlign())
|
|
clearIntrinsicPadding();
|
|
|
|
// If border was changed, notify table.
|
|
RenderTable* table = this->table();
|
|
if (table && oldStyle && oldStyle->border() != style().border()) {
|
|
table->invalidateCollapsedBorders(this);
|
|
if (table->collapseBorders() && diff == StyleDifference::Layout) {
|
|
markCellDirtyWhenCollapsedBorderChanges(table->cellBelow(this));
|
|
markCellDirtyWhenCollapsedBorderChanges(table->cellAbove(this));
|
|
markCellDirtyWhenCollapsedBorderChanges(table->cellBefore(this));
|
|
markCellDirtyWhenCollapsedBorderChanges(table->cellAfter(this));
|
|
}
|
|
}
|
|
}
|
|
|
|
// The following rules apply for resolving conflicts and figuring out which border
|
|
// to use.
|
|
// (1) Borders with the 'border-style' of 'hidden' take precedence over all other conflicting
|
|
// borders. Any border with this value suppresses all borders at this location.
|
|
// (2) Borders with a style of 'none' have the lowest priority. Only if the border properties of all
|
|
// the elements meeting at this edge are 'none' will the border be omitted (but note that 'none' is
|
|
// the default value for the border style.)
|
|
// (3) If none of the styles are 'hidden' and at least one of them is not 'none', then narrow borders
|
|
// are discarded in favor of wider ones. If several have the same 'border-width' then styles are preferred
|
|
// in this order: 'double', 'solid', 'dashed', 'dotted', 'ridge', 'outset', 'groove', and the lowest: 'inset'.
|
|
// (4) If border styles differ only in color, then a style set on a cell wins over one on a row,
|
|
// which wins over a row group, column, column group and, lastly, table. It is undefined which color
|
|
// is used when two elements of the same type disagree.
|
|
static int compareBorders(const CollapsedBorderValue& border1, const CollapsedBorderValue& border2)
|
|
{
|
|
// Sanity check the values passed in. The null border have lowest priority.
|
|
if (!border2.exists()) {
|
|
if (!border1.exists())
|
|
return 0;
|
|
return 1;
|
|
}
|
|
if (!border1.exists())
|
|
return -1;
|
|
|
|
// Rule #1 above.
|
|
if (border2.style() == BorderStyle::Hidden) {
|
|
if (border1.style() == BorderStyle::Hidden)
|
|
return 0;
|
|
return -1;
|
|
}
|
|
if (border1.style() == BorderStyle::Hidden)
|
|
return 1;
|
|
|
|
// Rule #2 above. A style of 'none' has lowest priority and always loses to any other border.
|
|
if (border2.style() == BorderStyle::None) {
|
|
if (border1.style() == BorderStyle::None)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
if (border1.style() == BorderStyle::None)
|
|
return -1;
|
|
|
|
// The first part of rule #3 above. Wider borders win.
|
|
if (border1.width() != border2.width())
|
|
return border1.width() < border2.width() ? -1 : 1;
|
|
|
|
// The borders have equal width. Sort by border style.
|
|
if (border1.style() != border2.style())
|
|
return border1.style() < border2.style() ? -1 : 1;
|
|
|
|
// The border have the same width and style. Rely on precedence (cell over row over row group, etc.)
|
|
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() == BorderStyle::Hidden ? CollapsedBorderValue() : border;
|
|
}
|
|
|
|
bool RenderTableCell::hasStartBorderAdjoiningTable() const
|
|
{
|
|
bool isStartColumn = !col();
|
|
bool isEndColumn = table()->colToEffCol(col() + colSpan() - 1) == table()->numEffCols() - 1;
|
|
bool hasSameDirectionAsTable = isDirectionSame(this, section());
|
|
|
|
// The table direction determines the row direction. In mixed directionality, we cannot guarantee that
|
|
// we have a common border with the table (think a ltr table with rtl start cell).
|
|
return (isStartColumn && hasSameDirectionAsTable) || (isEndColumn && !hasSameDirectionAsTable);
|
|
}
|
|
|
|
bool RenderTableCell::hasEndBorderAdjoiningTable() const
|
|
{
|
|
bool isStartColumn = !col();
|
|
bool isEndColumn = table()->colToEffCol(col() + colSpan() - 1) == table()->numEffCols() - 1;
|
|
bool hasSameDirectionAsTable = isDirectionSame(this, section());
|
|
|
|
// The table direction determines the row direction. In mixed directionality, we cannot guarantee that
|
|
// we have a common border with the table (think a ltr table with ltr end cell).
|
|
return (isStartColumn && !hasSameDirectionAsTable) || (isEndColumn && hasSameDirectionAsTable);
|
|
}
|
|
|
|
static CollapsedBorderValue emptyBorder()
|
|
{
|
|
return CollapsedBorderValue(BorderValue(), Color(), BorderPrecedence::Cell);
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::collapsedStartBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
if (!table() || !section())
|
|
return emptyBorder();
|
|
|
|
if (m_hasEmptyCollapsedStartBorder)
|
|
return emptyBorder();
|
|
|
|
if (table()->collapsedBordersAreValid())
|
|
return section()->cachedCollapsedBorder(*this, CBSStart);
|
|
|
|
CollapsedBorderValue result = computeCollapsedStartBorder(includeColor);
|
|
setHasEmptyCollapsedBorder(CBSStart, !result.width());
|
|
if (includeColor && !m_hasEmptyCollapsedStartBorder)
|
|
section()->setCachedCollapsedBorder(*this, CBSStart, result);
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::computeCollapsedStartBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
// For the start border, we need to check, in order of precedence:
|
|
// (1) Our start border.
|
|
CSSPropertyID startColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderInlineStartColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CSSPropertyID endColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderInlineEndColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CollapsedBorderValue result(style().borderStart(), includeColor ? style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::Cell);
|
|
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return result;
|
|
// (2) The end border of the preceding cell.
|
|
RenderTableCell* cellBefore = table->cellBefore(this);
|
|
if (cellBefore) {
|
|
CollapsedBorderValue cellBeforeAdjoiningBorder = CollapsedBorderValue(cellBefore->borderAdjoiningCellAfter(*this), includeColor ? cellBefore->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::Cell);
|
|
// |result| should be the 2nd argument as |cellBefore| should win in case of equality per CSS 2.1 (Border conflict resolution, point 4).
|
|
result = chooseBorder(cellBeforeAdjoiningBorder, result);
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
bool startBorderAdjoinsTable = hasStartBorderAdjoiningTable();
|
|
if (startBorderAdjoinsTable) {
|
|
// (3) Our row's start border.
|
|
result = chooseBorder(result, CollapsedBorderValue(row()->borderAdjoiningStartCell(*this), includeColor ? parent()->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::Row));
|
|
if (!result.exists())
|
|
return result;
|
|
|
|
// (4) Our row group's start border.
|
|
result = chooseBorder(result, CollapsedBorderValue(section()->borderAdjoiningStartCell(*this), includeColor ? section()->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::RowGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
// (5) Our column and column group's start borders.
|
|
bool startColEdge;
|
|
bool endColEdge;
|
|
if (RenderTableCol* colElt = table->colElement(col(), &startColEdge, &endColEdge)) {
|
|
if (colElt->isTableColumnGroup() && startColEdge) {
|
|
// The |colElt| is a column group and is also the first colgroup (in case of spanned colgroups).
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellStartBorder(), includeColor ? colElt->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
} else if (!colElt->isTableColumnGroup()) {
|
|
// We first consider the |colElt| and irrespective of whether it is a spanned col or not, we apply
|
|
// its start border. This is as per HTML5 which states that: "For the purposes of the CSS table model,
|
|
// the col element is expected to be treated as if it was present as many times as its span attribute specifies".
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellStartBorder(), includeColor ? colElt->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::Column));
|
|
if (!result.exists())
|
|
return result;
|
|
// Next, apply the start border of the enclosing colgroup but only if it is adjacent to the cell's edge.
|
|
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentBefore()) {
|
|
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellStartBorder(), includeColor ? enclosingColumnGroup->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
// (6) The end border of the preceding column.
|
|
if (cellBefore) {
|
|
if (RenderTableCol* colElt = table->colElement(col() - 1, &startColEdge, &endColEdge)) {
|
|
if (colElt->isTableColumnGroup() && endColEdge) {
|
|
// The element is a colgroup and is also the last colgroup (in case of spanned colgroups).
|
|
result = chooseBorder(CollapsedBorderValue(colElt->borderAdjoiningCellAfter(*this), includeColor ? colElt->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::ColumnGroup), result);
|
|
if (!result.exists())
|
|
return result;
|
|
} else if (colElt->isTableColumn()) {
|
|
// Resolve the collapsing border against the col's border ignoring any 'span' as per HTML5.
|
|
result = chooseBorder(CollapsedBorderValue(colElt->borderAdjoiningCellAfter(*this), includeColor ? colElt->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::Column), result);
|
|
if (!result.exists())
|
|
return result;
|
|
// Next, if the previous col has a parent colgroup then its end border should be applied
|
|
// but only if it is adjacent to the cell's edge.
|
|
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentAfter()) {
|
|
result = chooseBorder(CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellEndBorder(), includeColor ? enclosingColumnGroup->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::ColumnGroup), result);
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (startBorderAdjoinsTable) {
|
|
// (7) The table's start border.
|
|
result = chooseBorder(result, CollapsedBorderValue(table->tableStartBorderAdjoiningCell(*this), includeColor ? table->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::Table));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::collapsedEndBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
if (!table() || !section())
|
|
return emptyBorder();
|
|
|
|
if (m_hasEmptyCollapsedEndBorder)
|
|
return emptyBorder();
|
|
|
|
if (table()->collapsedBordersAreValid())
|
|
return section()->cachedCollapsedBorder(*this, CBSEnd);
|
|
|
|
CollapsedBorderValue result = computeCollapsedEndBorder(includeColor);
|
|
setHasEmptyCollapsedBorder(CBSEnd, !result.width());
|
|
if (includeColor && !m_hasEmptyCollapsedEndBorder)
|
|
section()->setCachedCollapsedBorder(*this, CBSEnd, result);
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::computeCollapsedEndBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
// For end border, we need to check, in order of precedence:
|
|
// (1) Our end border.
|
|
CSSPropertyID startColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderInlineStartColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CSSPropertyID endColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderInlineEndColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CollapsedBorderValue result = CollapsedBorderValue(style().borderEnd(), includeColor ? style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::Cell);
|
|
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return result;
|
|
// Note: We have to use the effective column information instead of whether we have a cell after as a table doesn't
|
|
// have to be regular (any row can have less cells than the total cell count).
|
|
bool isEndColumn = table->colToEffCol(col() + colSpan() - 1) == table->numEffCols() - 1;
|
|
// (2) The start border of the following cell.
|
|
if (!isEndColumn) {
|
|
if (RenderTableCell* cellAfter = table->cellAfter(this)) {
|
|
CollapsedBorderValue cellAfterAdjoiningBorder = CollapsedBorderValue(cellAfter->borderAdjoiningCellBefore(*this), includeColor ? cellAfter->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::Cell);
|
|
result = chooseBorder(result, cellAfterAdjoiningBorder);
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
|
|
bool endBorderAdjoinsTable = hasEndBorderAdjoiningTable();
|
|
if (endBorderAdjoinsTable) {
|
|
// (3) Our row's end border.
|
|
result = chooseBorder(result, CollapsedBorderValue(row()->borderAdjoiningEndCell(*this), includeColor ? parent()->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::Row));
|
|
if (!result.exists())
|
|
return result;
|
|
|
|
// (4) Our row group's end border.
|
|
result = chooseBorder(result, CollapsedBorderValue(section()->borderAdjoiningEndCell(*this), includeColor ? section()->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::RowGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
// (5) Our column and column group's end borders.
|
|
bool startColEdge;
|
|
bool endColEdge;
|
|
if (RenderTableCol* colElt = table->colElement(col() + colSpan() - 1, &startColEdge, &endColEdge)) {
|
|
if (colElt->isTableColumnGroup() && endColEdge) {
|
|
// The element is a colgroup and is also the last colgroup (in case of spanned colgroups).
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellEndBorder(), includeColor ? colElt->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
} else if (!colElt->isTableColumnGroup()) {
|
|
// First apply the end border of the column irrespective of whether it is spanned or not. This is as per
|
|
// HTML5 which states that: "For the purposes of the CSS table model, the col element is expected to be
|
|
// treated as if it was present as many times as its span attribute specifies".
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellEndBorder(), includeColor ? colElt->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::Column));
|
|
if (!result.exists())
|
|
return result;
|
|
// Next, if it has a parent colgroup then we apply its end border but only if it is adjacent to the cell.
|
|
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentAfter()) {
|
|
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellEndBorder(), includeColor ? enclosingColumnGroup->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
// (6) The start border of the next column.
|
|
if (!isEndColumn) {
|
|
if (RenderTableCol* colElt = table->colElement(col() + colSpan(), &startColEdge, &endColEdge)) {
|
|
if (colElt->isTableColumnGroup() && startColEdge) {
|
|
// This case is a colgroup without any col, we only compute it if it is adjacent to the cell's edge.
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellBefore(*this), includeColor ? colElt->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
} else if (colElt->isTableColumn()) {
|
|
// Resolve the collapsing border against the col's border ignoring any 'span' as per HTML5.
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->borderAdjoiningCellBefore(*this), includeColor ? colElt->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::Column));
|
|
if (!result.exists())
|
|
return result;
|
|
// If we have a parent colgroup, resolve the border only if it is adjacent to the cell.
|
|
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroupIfAdjacentBefore()) {
|
|
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->borderAdjoiningCellStartBorder(), includeColor ? enclosingColumnGroup->style().visitedDependentColorWithColorFilter(startColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (endBorderAdjoinsTable) {
|
|
// (7) The table's end border.
|
|
result = chooseBorder(result, CollapsedBorderValue(table->tableEndBorderAdjoiningCell(*this), includeColor ? table->style().visitedDependentColorWithColorFilter(endColorProperty) : Color(), BorderPrecedence::Table));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::collapsedBeforeBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
if (!table() || !section())
|
|
return emptyBorder();
|
|
|
|
if (m_hasEmptyCollapsedBeforeBorder)
|
|
return emptyBorder();
|
|
|
|
if (table()->collapsedBordersAreValid())
|
|
return section()->cachedCollapsedBorder(*this, CBSBefore);
|
|
|
|
CollapsedBorderValue result = computeCollapsedBeforeBorder(includeColor);
|
|
setHasEmptyCollapsedBorder(CBSBefore, !result.width());
|
|
if (includeColor && !m_hasEmptyCollapsedBeforeBorder)
|
|
section()->setCachedCollapsedBorder(*this, CBSBefore, result);
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::computeCollapsedBeforeBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
// For before border, we need to check, in order of precedence:
|
|
// (1) Our before border.
|
|
CSSPropertyID beforeColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderBlockStartColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CSSPropertyID afterColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderBlockEndColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CollapsedBorderValue result = CollapsedBorderValue(style().borderBefore(), includeColor ? style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::Cell);
|
|
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return result;
|
|
RenderTableCell* prevCell = table->cellAbove(this);
|
|
if (prevCell) {
|
|
// (2) A before cell's after border.
|
|
result = chooseBorder(CollapsedBorderValue(prevCell->style().borderAfter(), includeColor ? prevCell->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::Cell), result);
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
// (3) Our row's before border.
|
|
result = chooseBorder(result, CollapsedBorderValue(parent()->style().borderBefore(), includeColor ? parent()->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::Row));
|
|
if (!result.exists())
|
|
return result;
|
|
|
|
// (4) The previous row's after border.
|
|
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().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::Row), result);
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
|
|
// Now check row groups.
|
|
RenderTableSection* currSection = section();
|
|
if (!rowIndex()) {
|
|
// (5) Our row group's before border.
|
|
result = chooseBorder(result, CollapsedBorderValue(currSection->style().borderBefore(), includeColor ? currSection->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::RowGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
|
|
// (6) Previous row group's after border.
|
|
currSection = table->sectionAbove(currSection, SkipEmptySections);
|
|
if (currSection) {
|
|
result = chooseBorder(CollapsedBorderValue(currSection->style().borderAfter(), includeColor ? currSection->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::RowGroup), result);
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if (!currSection) {
|
|
// (8) Our column and column group's before borders.
|
|
RenderTableCol* colElt = table->colElement(col());
|
|
if (colElt) {
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->style().borderBefore(), includeColor ? colElt->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::Column));
|
|
if (!result.exists())
|
|
return result;
|
|
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroup()) {
|
|
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->style().borderBefore(), includeColor ? enclosingColumnGroup->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
|
|
// (9) The table's before border.
|
|
result = chooseBorder(result, CollapsedBorderValue(table->style().borderBefore(), includeColor ? table->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::Table));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::collapsedAfterBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
if (!table() || !section())
|
|
return emptyBorder();
|
|
|
|
if (m_hasEmptyCollapsedAfterBorder)
|
|
return emptyBorder();
|
|
|
|
if (table()->collapsedBordersAreValid())
|
|
return section()->cachedCollapsedBorder(*this, CBSAfter);
|
|
|
|
CollapsedBorderValue result = computeCollapsedAfterBorder(includeColor);
|
|
setHasEmptyCollapsedBorder(CBSAfter, !result.width());
|
|
if (includeColor && !m_hasEmptyCollapsedAfterBorder)
|
|
section()->setCachedCollapsedBorder(*this, CBSAfter, result);
|
|
return result;
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableCell::computeCollapsedAfterBorder(IncludeBorderColorOrNot includeColor) const
|
|
{
|
|
// For after border, we need to check, in order of precedence:
|
|
// (1) Our after border.
|
|
CSSPropertyID beforeColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderBlockStartColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CSSPropertyID afterColorProperty = includeColor ? CSSProperty::resolveDirectionAwareProperty(CSSPropertyBorderBlockEndColor, styleForCellFlow().direction(), styleForCellFlow().writingMode()) : CSSPropertyInvalid;
|
|
CollapsedBorderValue result = CollapsedBorderValue(style().borderAfter(), includeColor ? style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::Cell);
|
|
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return result;
|
|
RenderTableCell* nextCell = table->cellBelow(this);
|
|
if (nextCell) {
|
|
// (2) An after cell's before border.
|
|
result = chooseBorder(result, CollapsedBorderValue(nextCell->style().borderBefore(), includeColor ? nextCell->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::Cell));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
// (3) Our row's after border. (FIXME: Deal with rowspan!)
|
|
result = chooseBorder(result, CollapsedBorderValue(parent()->style().borderAfter(), includeColor ? parent()->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::Row));
|
|
if (!result.exists())
|
|
return result;
|
|
|
|
// (4) The next row's before border.
|
|
if (nextCell) {
|
|
result = chooseBorder(result, CollapsedBorderValue(nextCell->parent()->style().borderBefore(), includeColor ? nextCell->parent()->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::Row));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
|
|
// Now check row groups.
|
|
RenderTableSection* currSection = section();
|
|
if (rowIndex() + rowSpan() >= currSection->numRows()) {
|
|
// (5) Our row group's after border.
|
|
result = chooseBorder(result, CollapsedBorderValue(currSection->style().borderAfter(), includeColor ? currSection->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::RowGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
|
|
// (6) Following row group's before border.
|
|
currSection = table->sectionBelow(currSection, SkipEmptySections);
|
|
if (currSection) {
|
|
result = chooseBorder(result, CollapsedBorderValue(currSection->style().borderBefore(), includeColor ? currSection->style().visitedDependentColorWithColorFilter(beforeColorProperty) : Color(), BorderPrecedence::RowGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if (!currSection) {
|
|
// (8) Our column and column group's after borders.
|
|
RenderTableCol* colElt = table->colElement(col());
|
|
if (colElt) {
|
|
result = chooseBorder(result, CollapsedBorderValue(colElt->style().borderAfter(), includeColor ? colElt->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::Column));
|
|
if (!result.exists()) return result;
|
|
if (RenderTableCol* enclosingColumnGroup = colElt->enclosingColumnGroup()) {
|
|
result = chooseBorder(result, CollapsedBorderValue(enclosingColumnGroup->style().borderAfter(), includeColor ? enclosingColumnGroup->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::ColumnGroup));
|
|
if (!result.exists())
|
|
return result;
|
|
}
|
|
}
|
|
|
|
// (9) The table's after border.
|
|
result = chooseBorder(result, CollapsedBorderValue(table->style().borderAfter(), includeColor ? table->style().visitedDependentColorWithColorFilter(afterColorProperty) : Color(), BorderPrecedence::Table));
|
|
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);
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderLeft() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderLeft();
|
|
return table->collapseBorders() ? borderHalfLeft(false) : RenderBlockFlow::borderLeft();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderRight() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderRight();
|
|
return table->collapseBorders() ? borderHalfRight(false) : RenderBlockFlow::borderRight();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderTop() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderTop();
|
|
return table->collapseBorders() ? borderHalfTop(false) : RenderBlockFlow::borderTop();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderBottom() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderBottom();
|
|
return table->collapseBorders() ? borderHalfBottom(false) : RenderBlockFlow::borderBottom();
|
|
}
|
|
|
|
// FIXME: https://bugs.webkit.org/show_bug.cgi?id=46191, make the collapsed border drawing
|
|
// work with different block flow values instead of being hard-coded to top-to-bottom.
|
|
LayoutUnit RenderTableCell::borderStart() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderStart();
|
|
return table->collapseBorders() ? borderHalfStart(false) : RenderBlockFlow::borderStart();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderEnd() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderEnd();
|
|
return table->collapseBorders() ? borderHalfEnd(false) : RenderBlockFlow::borderEnd();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderBefore() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderBefore();
|
|
return table->collapseBorders() ? borderHalfBefore(false) : RenderBlockFlow::borderBefore();
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderAfter() const
|
|
{
|
|
RenderTable* table = this->table();
|
|
if (!table)
|
|
return RenderBlockFlow::borderAfter();
|
|
return table->collapseBorders() ? borderHalfAfter(false) : RenderBlockFlow::borderAfter();
|
|
}
|
|
|
|
LayoutUnit 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);
|
|
}
|
|
|
|
LayoutUnit 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);
|
|
}
|
|
|
|
LayoutUnit 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);
|
|
}
|
|
|
|
LayoutUnit 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);
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderHalfStart(bool outer) const
|
|
{
|
|
CollapsedBorderValue border = collapsedStartBorder(DoNotIncludeBorderColor);
|
|
if (border.exists())
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(border.width(), document().deviceScaleFactor(), styleForCellFlow().isLeftToRightDirection() ^ outer);
|
|
return 0;
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderHalfEnd(bool outer) const
|
|
{
|
|
CollapsedBorderValue border = collapsedEndBorder(DoNotIncludeBorderColor);
|
|
if (border.exists())
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(border.width(), document().deviceScaleFactor(), !(styleForCellFlow().isLeftToRightDirection() ^ outer));
|
|
return 0;
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderHalfBefore(bool outer) const
|
|
{
|
|
CollapsedBorderValue border = collapsedBeforeBorder(DoNotIncludeBorderColor);
|
|
if (border.exists())
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(border.width(), document().deviceScaleFactor(), !(styleForCellFlow().isFlippedBlocksWritingMode() ^ outer));
|
|
return 0;
|
|
}
|
|
|
|
LayoutUnit RenderTableCell::borderHalfAfter(bool outer) const
|
|
{
|
|
CollapsedBorderValue border = collapsedAfterBorder(DoNotIncludeBorderColor);
|
|
if (border.exists())
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(border.width(), document().deviceScaleFactor(), styleForCellFlow().isFlippedBlocksWritingMode() ^ outer);
|
|
return 0;
|
|
}
|
|
|
|
void RenderTableCell::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
|
|
{
|
|
ASSERT(paintInfo.phase != PaintPhase::CollapsedTableBorders);
|
|
RenderBlockFlow::paint(paintInfo, paintOffset);
|
|
}
|
|
|
|
struct CollapsedBorder {
|
|
CollapsedBorderValue borderValue;
|
|
BoxSide side;
|
|
bool shouldPaint;
|
|
LayoutUnit x1;
|
|
LayoutUnit y1;
|
|
LayoutUnit x2;
|
|
LayoutUnit y2;
|
|
BorderStyle style;
|
|
};
|
|
|
|
class CollapsedBorders {
|
|
public:
|
|
CollapsedBorders()
|
|
: m_count(0)
|
|
{
|
|
}
|
|
|
|
void addBorder(const CollapsedBorderValue& borderValue, BoxSide borderSide, bool shouldPaint,
|
|
LayoutUnit x1, LayoutUnit y1, LayoutUnit x2, LayoutUnit y2, BorderStyle 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 == PaintPhase::CollapsedTableBorders);
|
|
|
|
if (!paintInfo.shouldPaintWithinRoot(*this) || style().visibility() != Visibility::Visible)
|
|
return;
|
|
|
|
LayoutRect localRepaintRect = paintInfo.rect;
|
|
LayoutRect paintRect = LayoutRect(paintOffset + location(), frameRect().size());
|
|
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);
|
|
|
|
// Adjust our x/y/width/height so that we paint the collapsed borders at the correct location.
|
|
LayoutUnit topWidth = topVal.width();
|
|
LayoutUnit bottomWidth = bottomVal.width();
|
|
LayoutUnit leftWidth = leftVal.width();
|
|
LayoutUnit rightWidth = rightVal.width();
|
|
|
|
float deviceScaleFactor = document().deviceScaleFactor();
|
|
LayoutUnit leftHalfCollapsedBorder = CollapsedBorderValue::adjustedCollapsedBorderWidth(leftWidth , deviceScaleFactor, false);
|
|
LayoutUnit topHalfCollapsedBorder = CollapsedBorderValue::adjustedCollapsedBorderWidth(topWidth, deviceScaleFactor, false);
|
|
LayoutUnit righHalftCollapsedBorder = CollapsedBorderValue::adjustedCollapsedBorderWidth(rightWidth, deviceScaleFactor, true);
|
|
LayoutUnit bottomHalfCollapsedBorder = CollapsedBorderValue::adjustedCollapsedBorderWidth(bottomWidth, deviceScaleFactor, true);
|
|
|
|
LayoutRect borderRect = LayoutRect(paintRect.x() - leftHalfCollapsedBorder,
|
|
paintRect.y() - topHalfCollapsedBorder,
|
|
paintRect.width() + leftHalfCollapsedBorder + righHalftCollapsedBorder,
|
|
paintRect.height() + topHalfCollapsedBorder + bottomHalfCollapsedBorder);
|
|
|
|
BorderStyle topStyle = collapsedBorderStyle(topVal.style());
|
|
BorderStyle bottomStyle = collapsedBorderStyle(bottomVal.style());
|
|
BorderStyle leftStyle = collapsedBorderStyle(leftVal.style());
|
|
BorderStyle rightStyle = collapsedBorderStyle(rightVal.style());
|
|
|
|
bool renderTop = topStyle > BorderStyle::Hidden && !topVal.isTransparent() && floorToDevicePixel(topWidth, deviceScaleFactor);
|
|
bool renderBottom = bottomStyle > BorderStyle::Hidden && !bottomVal.isTransparent() && floorToDevicePixel(bottomWidth, deviceScaleFactor);
|
|
bool renderLeft = leftStyle > BorderStyle::Hidden && !leftVal.isTransparent() && floorToDevicePixel(leftWidth, deviceScaleFactor);
|
|
bool renderRight = rightStyle > BorderStyle::Hidden && !rightVal.isTransparent() && floorToDevicePixel(rightWidth, deviceScaleFactor);
|
|
|
|
// We never paint diagonals at the joins. We simply let the border with the highest
|
|
// precedence paint on top of borders with lower precedence.
|
|
CollapsedBorders borders;
|
|
borders.addBorder(topVal, BoxSide::Top, renderTop, borderRect.x(), borderRect.y(), borderRect.maxX(), borderRect.y() + topWidth, topStyle);
|
|
borders.addBorder(bottomVal, BoxSide::Bottom, renderBottom, borderRect.x(), borderRect.maxY() - bottomWidth, borderRect.maxX(), borderRect.maxY(), bottomStyle);
|
|
borders.addBorder(leftVal, BoxSide::Left, renderLeft, borderRect.x(), borderRect.y(), borderRect.x() + leftWidth, borderRect.maxY(), leftStyle);
|
|
borders.addBorder(rightVal, BoxSide::Right, 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, LayoutRect(LayoutPoint(border->x1, border->y1), LayoutPoint(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() != Visibility::Visible)
|
|
return;
|
|
|
|
RenderTable* tableElt = table();
|
|
if (!tableElt->collapseBorders() && style().emptyCells() == EmptyCell::Hide && !firstChild())
|
|
return;
|
|
|
|
const auto& style = backgroundObject->style();
|
|
auto& bgLayer = style.backgroundLayers();
|
|
|
|
auto color = style.visitedDependentColor(CSSPropertyBackgroundColor);
|
|
if (!bgLayer.hasImage() && !color.isVisible())
|
|
return;
|
|
|
|
color = style.colorByApplyingColorFilter(color);
|
|
|
|
LayoutPoint adjustedPaintOffset = paintOffset;
|
|
if (backgroundObject != this)
|
|
adjustedPaintOffset.moveBy(location());
|
|
|
|
// We have to clip here because the background would paint
|
|
// on top of the borders otherwise. This only matters for cells and rows.
|
|
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);
|
|
}
|
|
auto compositeOp = document().compositeOperatorForBackgroundColor(color, *this);
|
|
paintFillLayers(paintInfo, color, bgLayer, LayoutRect(adjustedPaintOffset, frameRect().size()), BackgroundBleedNone, compositeOp, backgroundObject);
|
|
}
|
|
|
|
void RenderTableCell::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
|
|
{
|
|
if (!paintInfo.shouldPaintWithinRoot(*this))
|
|
return;
|
|
|
|
RenderTable* table = this->table();
|
|
if (!table->collapseBorders() && style().emptyCells() == EmptyCell::Hide && !firstChild())
|
|
return;
|
|
|
|
LayoutRect paintRect = LayoutRect(paintOffset, frameRect().size());
|
|
adjustBorderBoxRectForPainting(paintRect);
|
|
|
|
paintBoxShadow(paintInfo, paintRect, style(), ShadowStyle::Normal);
|
|
|
|
// Paint our cell background.
|
|
paintBackgroundsBehindCell(paintInfo, paintOffset, this);
|
|
|
|
paintBoxShadow(paintInfo, paintRect, style(), ShadowStyle::Inset);
|
|
|
|
if (!style().hasBorder() || table->collapseBorders())
|
|
return;
|
|
|
|
paintBorder(paintInfo, paintRect, style());
|
|
}
|
|
|
|
void RenderTableCell::paintMask(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
|
|
{
|
|
if (style().visibility() != Visibility::Visible || paintInfo.phase != PaintPhase::Mask)
|
|
return;
|
|
|
|
RenderTable* tableElt = table();
|
|
if (!tableElt->collapseBorders() && style().emptyCells() == EmptyCell::Hide && !firstChild())
|
|
return;
|
|
|
|
LayoutRect paintRect = LayoutRect(paintOffset, frameRect().size());
|
|
adjustBorderBoxRectForPainting(paintRect);
|
|
|
|
paintMaskImages(paintInfo, paintRect);
|
|
}
|
|
|
|
bool RenderTableCell::boxShadowShouldBeAppliedToBackground(const LayoutPoint&, BackgroundBleedAvoidance, LegacyInlineFlowBox*) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
void RenderTableCell::scrollbarsChanged(bool horizontalScrollbarChanged, bool verticalScrollbarChanged)
|
|
{
|
|
LayoutUnit scrollbarHeight = scrollbarLogicalHeight();
|
|
if (!scrollbarHeight)
|
|
return; // Not sure if we should be doing something when a scrollbar goes away or not.
|
|
|
|
// We only care if the scrollbar that affects our intrinsic padding has been added.
|
|
if ((isHorizontalWritingMode() && !horizontalScrollbarChanged) ||
|
|
(!isHorizontalWritingMode() && !verticalScrollbarChanged))
|
|
return;
|
|
|
|
// Shrink our intrinsic padding as much as possible to accommodate the scrollbar.
|
|
if (style().verticalAlign() == 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);
|
|
}
|
|
|
|
RenderPtr<RenderTableCell> RenderTableCell::createTableCellWithStyle(Document& document, const RenderStyle& style)
|
|
{
|
|
auto cell = createRenderer<RenderTableCell>(document, RenderStyle::createAnonymousStyleWithDisplay(style, DisplayType::TableCell));
|
|
cell->initializeStyle();
|
|
return cell;
|
|
}
|
|
|
|
RenderPtr<RenderTableCell> RenderTableCell::createAnonymousWithParentRenderer(const RenderTableRow& parent)
|
|
{
|
|
return RenderTableCell::createTableCellWithStyle(parent.document(), parent.style());
|
|
}
|
|
|
|
bool RenderTableCell::hasLineIfEmpty() const
|
|
{
|
|
if (element() && element()->hasEditableStyle())
|
|
return true;
|
|
|
|
return RenderBlock::hasLineIfEmpty();
|
|
}
|
|
|
|
} // namespace WebCore
|