1578 lines
66 KiB
C++
1578 lines
66 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, 2008, 2009, 2010 Apple Inc. All rights reserved.
|
|
* Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
|
|
*
|
|
* 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 "RenderTableSection.h"
|
|
#include "Document.h"
|
|
#include "HitTestResult.h"
|
|
#include "HTMLNames.h"
|
|
#include "PaintInfo.h"
|
|
#include "RenderChildIterator.h"
|
|
#include "RenderLayoutState.h"
|
|
#include "RenderTableCell.h"
|
|
#include "RenderTableCol.h"
|
|
#include "RenderTableRow.h"
|
|
#include "RenderTextControl.h"
|
|
#include "RenderTreeBuilder.h"
|
|
#include "RenderView.h"
|
|
#include "StyleInheritedData.h"
|
|
#include <limits>
|
|
#include <wtf/IsoMallocInlines.h>
|
|
#include <wtf/HashSet.h>
|
|
#include <wtf/StackStats.h>
|
|
|
|
namespace WebCore {
|
|
|
|
using namespace HTMLNames;
|
|
|
|
WTF_MAKE_ISO_ALLOCATED_IMPL(RenderTableSection);
|
|
|
|
// Those 2 variables are used to balance the memory consumption vs the repaint time on big tables.
|
|
static const unsigned gMinTableSizeToUseFastPaintPathWithOverflowingCell = 75 * 75;
|
|
static const float gMaxAllowedOverflowingCellRatioForFastPaintPath = 0.1f;
|
|
|
|
static inline void setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(RenderTableSection::RowStruct& row)
|
|
{
|
|
ASSERT(row.rowRenderer);
|
|
row.logicalHeight = row.rowRenderer->style().logicalHeight();
|
|
if (row.logicalHeight.isRelative())
|
|
row.logicalHeight = Length();
|
|
}
|
|
|
|
static inline void updateLogicalHeightForCell(RenderTableSection::RowStruct& row, const RenderTableCell* cell)
|
|
{
|
|
// We ignore height settings on rowspan cells.
|
|
if (cell->rowSpan() != 1)
|
|
return;
|
|
|
|
Length logicalHeight = cell->style().logicalHeight();
|
|
if (logicalHeight.isPositive() || (logicalHeight.isRelative() && logicalHeight.value() >= 0)) {
|
|
Length cRowLogicalHeight = row.logicalHeight;
|
|
switch (logicalHeight.type()) {
|
|
case LengthType::Percent:
|
|
if (!cRowLogicalHeight.isPercent() || cRowLogicalHeight.percent() < logicalHeight.percent())
|
|
row.logicalHeight = logicalHeight;
|
|
break;
|
|
case LengthType::Fixed:
|
|
if (cRowLogicalHeight.isAuto() || cRowLogicalHeight.isRelative()
|
|
|| (cRowLogicalHeight.isFixed() && cRowLogicalHeight.value() < logicalHeight.value()))
|
|
row.logicalHeight = logicalHeight;
|
|
break;
|
|
case LengthType::Relative:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
RenderTableSection::RenderTableSection(Element& element, RenderStyle&& style)
|
|
: RenderBox(element, WTFMove(style), 0)
|
|
{
|
|
setInline(false);
|
|
}
|
|
|
|
RenderTableSection::RenderTableSection(Document& document, RenderStyle&& style)
|
|
: RenderBox(document, WTFMove(style), 0)
|
|
{
|
|
setInline(false);
|
|
}
|
|
|
|
RenderTableSection::~RenderTableSection() = default;
|
|
|
|
void RenderTableSection::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
|
|
{
|
|
RenderBox::styleDidChange(diff, oldStyle);
|
|
propagateStyleToAnonymousChildren(PropagateToAllChildren);
|
|
|
|
// If border was changed, notify table.
|
|
RenderTable* table = this->table();
|
|
if (table && oldStyle && oldStyle->border() != style().border())
|
|
table->invalidateCollapsedBorders();
|
|
}
|
|
|
|
void RenderTableSection::willBeRemovedFromTree(IsInternalMove isInternalMove)
|
|
{
|
|
RenderBox::willBeRemovedFromTree(isInternalMove);
|
|
|
|
// Preventively invalidate our cells as we may be re-inserted into
|
|
// a new table which would require us to rebuild our structure.
|
|
setNeedsCellRecalc();
|
|
}
|
|
|
|
void RenderTableSection::willInsertTableRow(RenderTableRow& child, RenderObject* beforeChild)
|
|
{
|
|
if (beforeChild)
|
|
setNeedsCellRecalc();
|
|
|
|
unsigned insertionRow = m_cRow;
|
|
++m_cRow;
|
|
m_cCol = 0;
|
|
|
|
ensureRows(m_cRow);
|
|
|
|
m_grid[insertionRow].rowRenderer = &child;
|
|
child.setRowIndex(insertionRow);
|
|
|
|
if (!beforeChild)
|
|
setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(m_grid[insertionRow]);
|
|
}
|
|
|
|
void RenderTableSection::ensureRows(unsigned numRows)
|
|
{
|
|
if (numRows <= m_grid.size())
|
|
return;
|
|
|
|
unsigned oldSize = m_grid.size();
|
|
m_grid.grow(numRows);
|
|
|
|
unsigned effectiveColumnCount = std::max(1u, table()->numEffCols());
|
|
for (unsigned row = oldSize; row < m_grid.size(); ++row)
|
|
m_grid[row].row.resizeToFit(effectiveColumnCount);
|
|
}
|
|
|
|
void RenderTableSection::addCell(RenderTableCell* cell, RenderTableRow* row)
|
|
{
|
|
// We don't insert the cell if we need cell recalc as our internal columns' representation
|
|
// will have drifted from the table's representation. Also recalcCells will call addCell
|
|
// at a later time after sync'ing our columns' with the table's.
|
|
if (needsCellRecalc())
|
|
return;
|
|
|
|
unsigned rSpan = cell->rowSpan();
|
|
unsigned cSpan = cell->colSpan();
|
|
const Vector<RenderTable::ColumnStruct>& columns = table()->columns();
|
|
unsigned nCols = columns.size();
|
|
unsigned insertionRow = row->rowIndex();
|
|
|
|
// ### mozilla still seems to do the old HTML way, even for strict DTD
|
|
// (see the annotation on table cell layouting in the CSS specs and the testcase below:
|
|
// <TABLE border>
|
|
// <TR><TD>1 <TD rowspan="2">2 <TD>3 <TD>4
|
|
// <TR><TD colspan="2">5
|
|
// </TABLE>
|
|
while (m_cCol < nCols && (cellAt(insertionRow, m_cCol).hasCells() || cellAt(insertionRow, m_cCol).inColSpan))
|
|
m_cCol++;
|
|
|
|
updateLogicalHeightForCell(m_grid[insertionRow], cell);
|
|
|
|
ensureRows(insertionRow + rSpan);
|
|
|
|
m_grid[insertionRow].rowRenderer = row;
|
|
|
|
unsigned col = m_cCol;
|
|
// tell the cell where it is
|
|
bool inColSpan = false;
|
|
while (cSpan) {
|
|
unsigned currentSpan;
|
|
if (m_cCol >= nCols) {
|
|
table()->appendColumn(cSpan);
|
|
currentSpan = cSpan;
|
|
} else {
|
|
if (cSpan < columns[m_cCol].span)
|
|
table()->splitColumn(m_cCol, cSpan);
|
|
currentSpan = columns[m_cCol].span;
|
|
}
|
|
for (unsigned r = 0; r < rSpan; r++) {
|
|
CellStruct& c = cellAt(insertionRow + r, m_cCol);
|
|
ASSERT(cell);
|
|
c.cells.append(cell);
|
|
// If cells overlap then we take the slow path for painting.
|
|
if (c.cells.size() > 1)
|
|
m_hasMultipleCellLevels = true;
|
|
if (inColSpan)
|
|
c.inColSpan = true;
|
|
}
|
|
m_cCol++;
|
|
cSpan -= currentSpan;
|
|
inColSpan = true;
|
|
}
|
|
cell->setCol(table()->effColToCol(col));
|
|
}
|
|
|
|
static LayoutUnit resolveLogicalHeightForRow(const Length& rowLogicalHeight)
|
|
{
|
|
if (rowLogicalHeight.isFixed())
|
|
return LayoutUnit(rowLogicalHeight.value());
|
|
if (rowLogicalHeight.isCalculated())
|
|
return LayoutUnit(rowLogicalHeight.nonNanCalculatedValue(0));
|
|
return 0;
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::calcRowLogicalHeight()
|
|
{
|
|
SetLayoutNeededForbiddenScope layoutForbiddenScope(*this);
|
|
|
|
ASSERT(!needsLayout());
|
|
|
|
RenderTableCell* cell;
|
|
|
|
// We ignore the border-spacing on any non-top section as it is already included in the previous section's last row position.
|
|
LayoutUnit spacing;
|
|
if (this == table()->topSection())
|
|
spacing = table()->vBorderSpacing();
|
|
|
|
LayoutStateMaintainer statePusher(*this, locationOffset(), hasTransform() || hasReflection() || style().isFlippedBlocksWritingMode());
|
|
|
|
m_rowPos.resize(m_grid.size() + 1);
|
|
m_rowPos[0] = spacing;
|
|
|
|
unsigned totalRows = m_grid.size();
|
|
|
|
for (unsigned r = 0; r < totalRows; r++) {
|
|
m_grid[r].baseline = 0;
|
|
LayoutUnit baselineDescent;
|
|
|
|
// Our base size is the biggest logical height from our cells' styles (excluding row spanning cells).
|
|
m_rowPos[r + 1] = std::max(m_rowPos[r] + resolveLogicalHeightForRow(m_grid[r].logicalHeight), 0_lu);
|
|
|
|
Row& row = m_grid[r].row;
|
|
unsigned totalCols = row.size();
|
|
|
|
for (unsigned c = 0; c < totalCols; c++) {
|
|
CellStruct& current = cellAt(r, c);
|
|
for (unsigned i = 0; i < current.cells.size(); i++) {
|
|
cell = current.cells[i];
|
|
if (current.inColSpan && cell->rowSpan() == 1)
|
|
continue;
|
|
|
|
// FIXME: We are always adding the height of a rowspan to the last rows which doesn't match
|
|
// other browsers. See webkit.org/b/52185 for example.
|
|
if ((cell->rowIndex() + cell->rowSpan() - 1) != r) {
|
|
// We will apply the height of the rowspan to the current row if next row is not valid.
|
|
if ((r + 1) < totalRows) {
|
|
unsigned col = 0;
|
|
CellStruct nextRowCell = cellAt(r + 1, col);
|
|
|
|
// We are trying to find that next row is valid or not.
|
|
while (nextRowCell.cells.size() && nextRowCell.cells[0]->rowSpan() > 1 && nextRowCell.cells[0]->rowIndex() < (r + 1)) {
|
|
col++;
|
|
if (col < totalCols)
|
|
nextRowCell = cellAt(r + 1, col);
|
|
else
|
|
break;
|
|
}
|
|
|
|
// We are adding the height of the rowspan to the current row if next row is not valid.
|
|
if (col < totalCols && nextRowCell.cells.size())
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// For row spanning cells, |r| is the last row in the span.
|
|
unsigned cellStartRow = cell->rowIndex();
|
|
|
|
if (cell->hasOverridingLogicalHeight()) {
|
|
cell->clearIntrinsicPadding();
|
|
cell->clearOverridingContentSize();
|
|
cell->setChildNeedsLayout(MarkOnlyThis);
|
|
cell->layoutIfNeeded();
|
|
}
|
|
|
|
LayoutUnit cellLogicalHeight = cell->logicalHeightForRowSizing();
|
|
m_rowPos[r + 1] = std::max(m_rowPos[r + 1], m_rowPos[cellStartRow] + cellLogicalHeight);
|
|
|
|
// Find out the baseline. The baseline is set on the first row in a rowspan.
|
|
if (cell->isBaselineAligned()) {
|
|
LayoutUnit baselinePosition = cell->cellBaselinePosition() - cell->intrinsicPaddingBefore();
|
|
LayoutUnit borderAndComputedPaddingBefore = cell->borderAndPaddingBefore() - cell->intrinsicPaddingBefore();
|
|
if (baselinePosition > borderAndComputedPaddingBefore) {
|
|
m_grid[cellStartRow].baseline = std::max(m_grid[cellStartRow].baseline, baselinePosition);
|
|
// The descent of a cell that spans multiple rows does not affect the height of the first row it spans, so don't let it
|
|
// become the baseline descent applied to the rest of the row. Also we don't account for the baseline descent of
|
|
// non-spanning cells when computing a spanning cell's extent.
|
|
LayoutUnit cellStartRowBaselineDescent;
|
|
if (cell->rowSpan() == 1) {
|
|
baselineDescent = std::max(baselineDescent, cellLogicalHeight - baselinePosition);
|
|
cellStartRowBaselineDescent = baselineDescent;
|
|
}
|
|
m_rowPos[cellStartRow + 1] = std::max(m_rowPos[cellStartRow + 1], m_rowPos[cellStartRow] + m_grid[cellStartRow].baseline + cellStartRowBaselineDescent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Add the border-spacing to our final position.
|
|
// Use table border-spacing even in non-top sections
|
|
spacing = table()->vBorderSpacing();
|
|
m_rowPos[r + 1] += m_grid[r].rowRenderer ? spacing : 0_lu;
|
|
m_rowPos[r + 1] = std::max(m_rowPos[r + 1], m_rowPos[r]);
|
|
}
|
|
|
|
ASSERT(!needsLayout());
|
|
|
|
return m_rowPos[m_grid.size()];
|
|
}
|
|
|
|
void RenderTableSection::layout()
|
|
{
|
|
StackStats::LayoutCheckPoint layoutCheckPoint;
|
|
ASSERT(needsLayout());
|
|
ASSERT(!needsCellRecalc());
|
|
ASSERT(!table()->needsSectionRecalc());
|
|
|
|
m_forceSlowPaintPathWithOverflowingCell = false;
|
|
// addChild may over-grow m_grid but we don't want to throw away the memory too early as addChild
|
|
// can be called in a loop (e.g during parsing). Doing it now ensures we have a stable-enough structure.
|
|
m_grid.shrinkToFit();
|
|
|
|
LayoutStateMaintainer statePusher(*this, locationOffset(), hasTransform() || hasReflection() || style().isFlippedBlocksWritingMode());
|
|
bool paginated = view().frameView().layoutContext().layoutState()->isPaginated();
|
|
|
|
const Vector<LayoutUnit>& columnPos = table()->columnPositions();
|
|
|
|
for (unsigned r = 0; r < m_grid.size(); ++r) {
|
|
Row& row = m_grid[r].row;
|
|
unsigned cols = row.size();
|
|
// First, propagate our table layout's information to the cells. This will mark the row as needing layout
|
|
// if there was a column logical width change.
|
|
for (unsigned startColumn = 0; startColumn < cols; ++startColumn) {
|
|
CellStruct& current = row[startColumn];
|
|
RenderTableCell* cell = current.primaryCell();
|
|
if (!cell || current.inColSpan)
|
|
continue;
|
|
|
|
unsigned endCol = startColumn;
|
|
unsigned cspan = cell->colSpan();
|
|
while (cspan && endCol < cols) {
|
|
ASSERT(endCol < table()->columns().size());
|
|
cspan -= table()->columns()[endCol].span;
|
|
endCol++;
|
|
}
|
|
LayoutUnit tableLayoutLogicalWidth = columnPos[endCol] - columnPos[startColumn] - table()->hBorderSpacing();
|
|
cell->setCellLogicalWidth(tableLayoutLogicalWidth);
|
|
}
|
|
|
|
if (RenderTableRow* rowRenderer = m_grid[r].rowRenderer) {
|
|
if (!rowRenderer->needsLayout() && paginated && view().frameView().layoutContext().layoutState()->pageLogicalHeightChanged())
|
|
rowRenderer->setChildNeedsLayout(MarkOnlyThis);
|
|
|
|
rowRenderer->layoutIfNeeded();
|
|
}
|
|
}
|
|
clearNeedsLayout();
|
|
}
|
|
|
|
void RenderTableSection::distributeExtraLogicalHeightToPercentRows(LayoutUnit& extraLogicalHeight, int totalPercent)
|
|
{
|
|
if (!totalPercent)
|
|
return;
|
|
|
|
unsigned totalRows = m_grid.size();
|
|
LayoutUnit totalHeight = m_rowPos[totalRows] + extraLogicalHeight;
|
|
LayoutUnit totalLogicalHeightAdded;
|
|
totalPercent = std::min(totalPercent, 100);
|
|
LayoutUnit rowHeight = m_rowPos[1] - m_rowPos[0];
|
|
for (unsigned r = 0; r < totalRows; ++r) {
|
|
if (totalPercent > 0 && m_grid[r].logicalHeight.isPercent()) {
|
|
LayoutUnit toAdd = std::min(extraLogicalHeight, LayoutUnit((totalHeight * m_grid[r].logicalHeight.percent() / 100) - rowHeight));
|
|
// If toAdd is negative, then we don't want to shrink the row (this bug
|
|
// affected Outlook Web Access).
|
|
toAdd = std::max(0_lu, toAdd);
|
|
totalLogicalHeightAdded += toAdd;
|
|
extraLogicalHeight -= toAdd;
|
|
totalPercent -= m_grid[r].logicalHeight.percent();
|
|
}
|
|
ASSERT(totalRows >= 1);
|
|
if (r < totalRows - 1)
|
|
rowHeight = m_rowPos[r + 2] - m_rowPos[r + 1];
|
|
m_rowPos[r + 1] += totalLogicalHeightAdded;
|
|
}
|
|
}
|
|
|
|
void RenderTableSection::distributeExtraLogicalHeightToAutoRows(LayoutUnit& extraLogicalHeight, unsigned autoRowsCount)
|
|
{
|
|
if (!autoRowsCount)
|
|
return;
|
|
|
|
LayoutUnit totalLogicalHeightAdded;
|
|
for (unsigned r = 0; r < m_grid.size(); ++r) {
|
|
if (autoRowsCount > 0 && m_grid[r].logicalHeight.isAuto()) {
|
|
// Recomputing |extraLogicalHeightForRow| guarantees that we properly ditribute round |extraLogicalHeight|.
|
|
LayoutUnit extraLogicalHeightForRow = extraLogicalHeight / autoRowsCount;
|
|
totalLogicalHeightAdded += extraLogicalHeightForRow;
|
|
extraLogicalHeight -= extraLogicalHeightForRow;
|
|
--autoRowsCount;
|
|
}
|
|
m_rowPos[r + 1] += totalLogicalHeightAdded;
|
|
}
|
|
}
|
|
|
|
void RenderTableSection::distributeRemainingExtraLogicalHeight(LayoutUnit& extraLogicalHeight)
|
|
{
|
|
unsigned totalRows = m_grid.size();
|
|
|
|
if (extraLogicalHeight <= 0 || !m_rowPos[totalRows])
|
|
return;
|
|
|
|
// FIXME: m_rowPos[totalRows] - m_rowPos[0] is the total rows' size.
|
|
LayoutUnit totalRowSize = m_rowPos[totalRows];
|
|
LayoutUnit totalLogicalHeightAdded;
|
|
LayoutUnit previousRowPosition = m_rowPos[0];
|
|
for (unsigned r = 0; r < totalRows; r++) {
|
|
// weight with the original height
|
|
totalLogicalHeightAdded += extraLogicalHeight * (m_rowPos[r + 1] - previousRowPosition) / totalRowSize;
|
|
previousRowPosition = m_rowPos[r + 1];
|
|
m_rowPos[r + 1] += totalLogicalHeightAdded;
|
|
}
|
|
|
|
extraLogicalHeight -= totalLogicalHeightAdded;
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::distributeExtraLogicalHeightToRows(LayoutUnit extraLogicalHeight)
|
|
{
|
|
if (!extraLogicalHeight)
|
|
return extraLogicalHeight;
|
|
|
|
unsigned totalRows = m_grid.size();
|
|
if (!totalRows)
|
|
return extraLogicalHeight;
|
|
|
|
if (!m_rowPos[totalRows] && nextSibling())
|
|
return extraLogicalHeight;
|
|
|
|
unsigned autoRowsCount = 0;
|
|
int totalPercent = 0;
|
|
for (unsigned r = 0; r < totalRows; r++) {
|
|
if (m_grid[r].logicalHeight.isAuto())
|
|
++autoRowsCount;
|
|
else if (m_grid[r].logicalHeight.isPercent())
|
|
totalPercent += m_grid[r].logicalHeight.percent();
|
|
}
|
|
|
|
LayoutUnit remainingExtraLogicalHeight = extraLogicalHeight;
|
|
distributeExtraLogicalHeightToPercentRows(remainingExtraLogicalHeight, totalPercent);
|
|
distributeExtraLogicalHeightToAutoRows(remainingExtraLogicalHeight, autoRowsCount);
|
|
distributeRemainingExtraLogicalHeight(remainingExtraLogicalHeight);
|
|
return extraLogicalHeight - remainingExtraLogicalHeight;
|
|
}
|
|
|
|
static bool shouldFlexCellChild(const RenderTableCell& cell, const RenderBox& cellDescendant)
|
|
{
|
|
if (!cell.style().logicalHeight().isSpecified())
|
|
return false;
|
|
if (cellDescendant.scrollsOverflowY())
|
|
return true;
|
|
return cellDescendant.shouldTreatChildAsReplacedInTableCells();
|
|
}
|
|
|
|
void RenderTableSection::relayoutCellIfFlexed(RenderTableCell& cell, int rowIndex, int rowHeight)
|
|
{
|
|
// Force percent height children to lay themselves out again.
|
|
// This will cause these children to grow to fill the cell.
|
|
// FIXME: There is still more work to do here to fully match WinIE (should
|
|
// it become necessary to do so). In quirks mode, WinIE behaves like we
|
|
// do, but it will clip the cells that spill out of the table section. In
|
|
// strict mode, Mozilla and WinIE both regrow the table to accommodate the
|
|
// new height of the cell (thus letting the percentages cause growth one
|
|
// time only). We may also not be handling row-spanning cells correctly.
|
|
//
|
|
// Note also the oddity where replaced elements always flex, and yet blocks/tables do
|
|
// not necessarily flex. WinIE is crazy and inconsistent, and we can't hope to
|
|
// match the behavior perfectly, but we'll continue to refine it as we discover new
|
|
// bugs. :)
|
|
bool cellChildrenFlex = false;
|
|
bool flexAllChildren = cell.style().logicalHeight().isFixed() || (!table()->style().logicalHeight().isAuto() && rowHeight != cell.logicalHeight());
|
|
|
|
for (auto& renderer : childrenOfType<RenderBox>(cell)) {
|
|
if (renderer.style().logicalHeight().isPercentOrCalculated()
|
|
&& (flexAllChildren || shouldFlexCellChild(cell, renderer))
|
|
&& (!is<RenderTable>(renderer) || downcast<RenderTable>(renderer).hasSections())) {
|
|
cellChildrenFlex = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!cellChildrenFlex) {
|
|
if (TrackedRendererListHashSet* percentHeightDescendants = cell.percentHeightDescendants()) {
|
|
for (auto* descendant : *percentHeightDescendants) {
|
|
if (flexAllChildren || shouldFlexCellChild(cell, *descendant)) {
|
|
cellChildrenFlex = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!cellChildrenFlex)
|
|
return;
|
|
|
|
cell.setChildNeedsLayout(MarkOnlyThis);
|
|
// Alignment within a cell is based off the calculated
|
|
// height, which becomes irrelevant once the cell has
|
|
// been resized based off its percentage.
|
|
cell.setOverridingLogicalHeightFromRowHeight(rowHeight);
|
|
cell.layoutIfNeeded();
|
|
|
|
if (!cell.isBaselineAligned())
|
|
return;
|
|
|
|
// If the baseline moved, we may have to update the data for our row. Find out the new baseline.
|
|
LayoutUnit baseline = cell.cellBaselinePosition();
|
|
if (baseline > cell.borderAndPaddingBefore())
|
|
m_grid[rowIndex].baseline = std::max(m_grid[rowIndex].baseline, baseline);
|
|
}
|
|
|
|
void RenderTableSection::layoutRows()
|
|
{
|
|
SetLayoutNeededForbiddenScope layoutForbiddenScope(*this);
|
|
|
|
ASSERT(!needsLayout());
|
|
|
|
unsigned totalRows = m_grid.size();
|
|
|
|
// Set the width of our section now. The rows will also be this width.
|
|
setLogicalWidth(table()->contentLogicalWidth());
|
|
m_forceSlowPaintPathWithOverflowingCell = false;
|
|
|
|
LayoutUnit vspacing = table()->vBorderSpacing();
|
|
unsigned nEffCols = table()->numEffCols();
|
|
|
|
LayoutStateMaintainer statePusher(*this, locationOffset(), hasTransform() || style().isFlippedBlocksWritingMode());
|
|
|
|
for (unsigned r = 0; r < totalRows; r++) {
|
|
// Set the row's x/y position and width/height.
|
|
if (RenderTableRow* rowRenderer = m_grid[r].rowRenderer) {
|
|
// FIXME: the x() position of the row should be table()->hBorderSpacing() so that it can
|
|
// report the correct offsetLeft. However, that will require a lot of rebaselining of test results.
|
|
rowRenderer->setLocation(LayoutPoint(0_lu, m_rowPos[r]));
|
|
rowRenderer->setLogicalWidth(logicalWidth());
|
|
rowRenderer->setLogicalHeight(m_rowPos[r + 1] - m_rowPos[r] - vspacing);
|
|
rowRenderer->updateLayerTransform();
|
|
rowRenderer->clearOverflow();
|
|
rowRenderer->addVisualEffectOverflow();
|
|
}
|
|
|
|
LayoutUnit rowHeightIncreaseForPagination;
|
|
|
|
for (unsigned c = 0; c < nEffCols; c++) {
|
|
CellStruct& cs = cellAt(r, c);
|
|
RenderTableCell* cell = cs.primaryCell();
|
|
|
|
if (!cell || cs.inColSpan)
|
|
continue;
|
|
|
|
int rowIndex = cell->rowIndex();
|
|
LayoutUnit rHeight = m_rowPos[rowIndex + cell->rowSpan()] - m_rowPos[rowIndex] - vspacing;
|
|
|
|
relayoutCellIfFlexed(*cell, r, rHeight);
|
|
|
|
cell->computeIntrinsicPadding(rHeight);
|
|
|
|
LayoutRect oldCellRect = cell->frameRect();
|
|
|
|
setLogicalPositionForCell(cell, c);
|
|
|
|
auto* layoutState = view().frameView().layoutContext().layoutState();
|
|
if (!cell->needsLayout() && layoutState->pageLogicalHeight() && layoutState->pageLogicalOffset(cell, cell->logicalTop()) != cell->pageLogicalOffset())
|
|
cell->setChildNeedsLayout(MarkOnlyThis);
|
|
|
|
cell->layoutIfNeeded();
|
|
|
|
// FIXME: Make pagination work with vertical tables.
|
|
if (layoutState->pageLogicalHeight() && cell->logicalHeight() != rHeight) {
|
|
// FIXME: Pagination might have made us change size. For now just shrink or grow the cell to fit without doing a relayout.
|
|
// We'll also do a basic increase of the row height to accommodate the cell if it's bigger, but this isn't quite right
|
|
// either. It's at least stable though and won't result in an infinite # of relayouts that may never stabilize.
|
|
if (cell->logicalHeight() > rHeight)
|
|
rowHeightIncreaseForPagination = std::max(rowHeightIncreaseForPagination, cell->logicalHeight() - rHeight);
|
|
cell->setLogicalHeight(rHeight);
|
|
}
|
|
|
|
LayoutSize childOffset(cell->location() - oldCellRect.location());
|
|
if (childOffset.width() || childOffset.height()) {
|
|
view().frameView().layoutContext().addLayoutDelta(childOffset);
|
|
|
|
// If the child moved, we have to repaint it as well as any floating/positioned
|
|
// descendants. An exception is if we need a layout. In this case, we know we're going to
|
|
// repaint ourselves (and the child) anyway.
|
|
if (!table()->selfNeedsLayout() && cell->checkForRepaintDuringLayout())
|
|
cell->repaintDuringLayoutIfMoved(oldCellRect);
|
|
}
|
|
}
|
|
if (rowHeightIncreaseForPagination) {
|
|
for (unsigned rowIndex = r + 1; rowIndex <= totalRows; rowIndex++)
|
|
m_rowPos[rowIndex] += rowHeightIncreaseForPagination;
|
|
for (unsigned c = 0; c < nEffCols; ++c) {
|
|
Vector<RenderTableCell*, 1>& cells = cellAt(r, c).cells;
|
|
for (size_t i = 0; i < cells.size(); ++i)
|
|
cells[i]->setLogicalHeight(cells[i]->logicalHeight() + rowHeightIncreaseForPagination);
|
|
}
|
|
}
|
|
}
|
|
|
|
ASSERT(!needsLayout());
|
|
|
|
setLogicalHeight(m_rowPos[totalRows]);
|
|
|
|
computeOverflowFromCells(totalRows, nEffCols);
|
|
}
|
|
|
|
void RenderTableSection::computeOverflowFromCells()
|
|
{
|
|
unsigned totalRows = m_grid.size();
|
|
unsigned nEffCols = table()->numEffCols();
|
|
computeOverflowFromCells(totalRows, nEffCols);
|
|
}
|
|
|
|
void RenderTableSection::computeOverflowFromCells(unsigned totalRows, unsigned nEffCols)
|
|
{
|
|
clearOverflow();
|
|
m_overflowingCells.clear();
|
|
unsigned totalCellsCount = nEffCols * totalRows;
|
|
unsigned maxAllowedOverflowingCellsCount = totalCellsCount < gMinTableSizeToUseFastPaintPathWithOverflowingCell ? 0 : gMaxAllowedOverflowingCellRatioForFastPaintPath * totalCellsCount;
|
|
|
|
#if ASSERT_ENABLED
|
|
bool hasOverflowingCell = false;
|
|
#endif
|
|
// Now that our height has been determined, add in overflow from cells.
|
|
for (unsigned r = 0; r < totalRows; r++) {
|
|
for (unsigned c = 0; c < nEffCols; c++) {
|
|
CellStruct& cs = cellAt(r, c);
|
|
RenderTableCell* cell = cs.primaryCell();
|
|
if (!cell || cs.inColSpan)
|
|
continue;
|
|
if (r < totalRows - 1 && cell == primaryCellAt(r + 1, c))
|
|
continue;
|
|
addOverflowFromChild(cell);
|
|
#if ASSERT_ENABLED
|
|
hasOverflowingCell |= cell->hasVisualOverflow();
|
|
#endif
|
|
if (cell->hasVisualOverflow() && !m_forceSlowPaintPathWithOverflowingCell) {
|
|
m_overflowingCells.add(cell);
|
|
if (m_overflowingCells.size() > maxAllowedOverflowingCellsCount) {
|
|
// We need to set m_forcesSlowPaintPath only if there is a least one overflowing cells as the hit testing code rely on this information.
|
|
m_forceSlowPaintPathWithOverflowingCell = true;
|
|
// The slow path does not make any use of the overflowing cells info, don't hold on to the memory.
|
|
m_overflowingCells.clear();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ASSERT(hasOverflowingCell == this->hasOverflowingCell());
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::calcOuterBorderBefore() const
|
|
{
|
|
unsigned totalCols = table()->numEffCols();
|
|
if (!m_grid.size() || !totalCols)
|
|
return 0;
|
|
|
|
LayoutUnit borderWidth;
|
|
|
|
const BorderValue& sb = style().borderBefore();
|
|
if (sb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (sb.style() > BorderStyle::Hidden)
|
|
borderWidth = sb.width();
|
|
|
|
const BorderValue& rb = firstRow()->style().borderBefore();
|
|
if (rb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (rb.style() > BorderStyle::Hidden && rb.width() > borderWidth)
|
|
borderWidth = rb.width();
|
|
|
|
bool allHidden = true;
|
|
for (unsigned c = 0; c < totalCols; c++) {
|
|
const CellStruct& current = cellAt(0, c);
|
|
if (current.inColSpan || !current.hasCells())
|
|
continue;
|
|
const BorderValue& cb = current.primaryCell()->style().borderBefore(); // FIXME: Make this work with perpendicular and flipped cells.
|
|
// FIXME: Don't repeat for the same col group
|
|
RenderTableCol* colGroup = table()->colElement(c);
|
|
if (colGroup) {
|
|
const BorderValue& gb = colGroup->style().borderBefore();
|
|
if (gb.style() == BorderStyle::Hidden || cb.style() == BorderStyle::Hidden)
|
|
continue;
|
|
allHidden = false;
|
|
if (gb.style() > BorderStyle::Hidden && gb.width() > borderWidth)
|
|
borderWidth = gb.width();
|
|
if (cb.style() > BorderStyle::Hidden && cb.width() > borderWidth)
|
|
borderWidth = cb.width();
|
|
} else {
|
|
if (cb.style() == BorderStyle::Hidden)
|
|
continue;
|
|
allHidden = false;
|
|
if (cb.style() > BorderStyle::Hidden && cb.width() > borderWidth)
|
|
borderWidth = cb.width();
|
|
}
|
|
}
|
|
if (allHidden)
|
|
return -1;
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(borderWidth, document().deviceScaleFactor(), false);
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::calcOuterBorderAfter() const
|
|
{
|
|
unsigned totalCols = table()->numEffCols();
|
|
if (!m_grid.size() || !totalCols)
|
|
return 0;
|
|
|
|
LayoutUnit borderWidth;
|
|
|
|
const BorderValue& sb = style().borderAfter();
|
|
if (sb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (sb.style() > BorderStyle::Hidden)
|
|
borderWidth = sb.width();
|
|
|
|
const BorderValue& rb = lastRow()->style().borderAfter();
|
|
if (rb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (rb.style() > BorderStyle::Hidden && rb.width() > borderWidth)
|
|
borderWidth = rb.width();
|
|
|
|
bool allHidden = true;
|
|
for (unsigned c = 0; c < totalCols; c++) {
|
|
const CellStruct& current = cellAt(m_grid.size() - 1, c);
|
|
if (current.inColSpan || !current.hasCells())
|
|
continue;
|
|
const BorderValue& cb = current.primaryCell()->style().borderAfter(); // FIXME: Make this work with perpendicular and flipped cells.
|
|
// FIXME: Don't repeat for the same col group
|
|
RenderTableCol* colGroup = table()->colElement(c);
|
|
if (colGroup) {
|
|
const BorderValue& gb = colGroup->style().borderAfter();
|
|
if (gb.style() == BorderStyle::Hidden || cb.style() == BorderStyle::Hidden)
|
|
continue;
|
|
allHidden = false;
|
|
if (gb.style() > BorderStyle::Hidden && gb.width() > borderWidth)
|
|
borderWidth = gb.width();
|
|
if (cb.style() > BorderStyle::Hidden && cb.width() > borderWidth)
|
|
borderWidth = cb.width();
|
|
} else {
|
|
if (cb.style() == BorderStyle::Hidden)
|
|
continue;
|
|
allHidden = false;
|
|
if (cb.style() > BorderStyle::Hidden && cb.width() > borderWidth)
|
|
borderWidth = cb.width();
|
|
}
|
|
}
|
|
if (allHidden)
|
|
return -1;
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(borderWidth, document().deviceScaleFactor(), true);
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::calcOuterBorderStart() const
|
|
{
|
|
unsigned totalCols = table()->numEffCols();
|
|
if (!m_grid.size() || !totalCols)
|
|
return 0;
|
|
|
|
LayoutUnit borderWidth;
|
|
|
|
const BorderValue& sb = style().borderStart();
|
|
if (sb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (sb.style() > BorderStyle::Hidden)
|
|
borderWidth = sb.width();
|
|
|
|
if (RenderTableCol* colGroup = table()->colElement(0)) {
|
|
const BorderValue& gb = colGroup->style().borderStart();
|
|
if (gb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (gb.style() > BorderStyle::Hidden && gb.width() > borderWidth)
|
|
borderWidth = gb.width();
|
|
}
|
|
|
|
bool allHidden = true;
|
|
for (unsigned r = 0; r < m_grid.size(); r++) {
|
|
const CellStruct& current = cellAt(r, 0);
|
|
if (!current.hasCells())
|
|
continue;
|
|
// FIXME: Don't repeat for the same cell
|
|
const BorderValue& cb = current.primaryCell()->style().borderStart(); // FIXME: Make this work with perpendicular and flipped cells.
|
|
const BorderValue& rb = current.primaryCell()->parent()->style().borderStart();
|
|
if (cb.style() == BorderStyle::Hidden || rb.style() == BorderStyle::Hidden)
|
|
continue;
|
|
allHidden = false;
|
|
if (cb.style() > BorderStyle::Hidden && cb.width() > borderWidth)
|
|
borderWidth = cb.width();
|
|
if (rb.style() > BorderStyle::Hidden && rb.width() > borderWidth)
|
|
borderWidth = rb.width();
|
|
}
|
|
if (allHidden)
|
|
return -1;
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(borderWidth, document().deviceScaleFactor(), !table()->style().isLeftToRightDirection());
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::calcOuterBorderEnd() const
|
|
{
|
|
unsigned totalCols = table()->numEffCols();
|
|
if (!m_grid.size() || !totalCols)
|
|
return 0;
|
|
|
|
LayoutUnit borderWidth;
|
|
|
|
const BorderValue& sb = style().borderEnd();
|
|
if (sb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (sb.style() > BorderStyle::Hidden)
|
|
borderWidth = sb.width();
|
|
|
|
if (RenderTableCol* colGroup = table()->colElement(totalCols - 1)) {
|
|
const BorderValue& gb = colGroup->style().borderEnd();
|
|
if (gb.style() == BorderStyle::Hidden)
|
|
return -1;
|
|
if (gb.style() > BorderStyle::Hidden && gb.width() > borderWidth)
|
|
borderWidth = gb.width();
|
|
}
|
|
|
|
bool allHidden = true;
|
|
for (unsigned r = 0; r < m_grid.size(); r++) {
|
|
const CellStruct& current = cellAt(r, totalCols - 1);
|
|
if (!current.hasCells())
|
|
continue;
|
|
// FIXME: Don't repeat for the same cell
|
|
const BorderValue& cb = current.primaryCell()->style().borderEnd(); // FIXME: Make this work with perpendicular and flipped cells.
|
|
const BorderValue& rb = current.primaryCell()->parent()->style().borderEnd();
|
|
if (cb.style() == BorderStyle::Hidden || rb.style() == BorderStyle::Hidden)
|
|
continue;
|
|
allHidden = false;
|
|
if (cb.style() > BorderStyle::Hidden && cb.width() > borderWidth)
|
|
borderWidth = cb.width();
|
|
if (rb.style() > BorderStyle::Hidden && rb.width() > borderWidth)
|
|
borderWidth = rb.width();
|
|
}
|
|
if (allHidden)
|
|
return -1;
|
|
return CollapsedBorderValue::adjustedCollapsedBorderWidth(borderWidth, document().deviceScaleFactor(), table()->style().isLeftToRightDirection());
|
|
}
|
|
|
|
void RenderTableSection::recalcOuterBorder()
|
|
{
|
|
m_outerBorderBefore = calcOuterBorderBefore();
|
|
m_outerBorderAfter = calcOuterBorderAfter();
|
|
m_outerBorderStart = calcOuterBorderStart();
|
|
m_outerBorderEnd = calcOuterBorderEnd();
|
|
}
|
|
|
|
std::optional<LayoutUnit> RenderTableSection::firstLineBaseline() const
|
|
{
|
|
if (!m_grid.size())
|
|
return std::optional<LayoutUnit>();
|
|
|
|
LayoutUnit firstLineBaseline = m_grid[0].baseline;
|
|
if (firstLineBaseline)
|
|
return firstLineBaseline + m_rowPos[0];
|
|
|
|
std::optional<LayoutUnit> result;
|
|
const Row& firstRow = m_grid[0].row;
|
|
for (size_t i = 0; i < firstRow.size(); ++i) {
|
|
const CellStruct& cs = firstRow.at(i);
|
|
const RenderTableCell* cell = cs.primaryCell();
|
|
// Only cells with content have a baseline
|
|
if (cell && cell->contentLogicalHeight()) {
|
|
LayoutUnit candidate = cell->logicalTop() + cell->borderAndPaddingBefore() + cell->contentLogicalHeight();
|
|
result = std::max(result.value_or(candidate), candidate);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void RenderTableSection::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
|
|
{
|
|
ASSERT(!needsLayout());
|
|
// avoid crashing on bugs that cause us to paint with dirty layout
|
|
if (needsLayout())
|
|
return;
|
|
|
|
unsigned totalRows = m_grid.size();
|
|
unsigned totalCols = table()->columns().size();
|
|
|
|
if (!totalRows || !totalCols)
|
|
return;
|
|
|
|
LayoutPoint adjustedPaintOffset = paintOffset + location();
|
|
|
|
PaintPhase phase = paintInfo.phase;
|
|
bool pushedClip = pushContentsClip(paintInfo, adjustedPaintOffset);
|
|
paintObject(paintInfo, adjustedPaintOffset);
|
|
if (pushedClip)
|
|
popContentsClip(paintInfo, phase, adjustedPaintOffset);
|
|
|
|
if ((phase == PaintPhase::Outline || phase == PaintPhase::SelfOutline) && style().visibility() == Visibility::Visible)
|
|
paintOutline(paintInfo, LayoutRect(adjustedPaintOffset, size()));
|
|
}
|
|
|
|
static inline bool compareCellPositions(RenderTableCell* elem1, RenderTableCell* elem2)
|
|
{
|
|
return elem1->rowIndex() < elem2->rowIndex();
|
|
}
|
|
|
|
// This comparison is used only when we have overflowing cells as we have an unsorted array to sort. We thus need
|
|
// to sort both on rows and columns to properly repaint.
|
|
static inline bool compareCellPositionsWithOverflowingCells(RenderTableCell* elem1, RenderTableCell* elem2)
|
|
{
|
|
if (elem1->rowIndex() != elem2->rowIndex())
|
|
return elem1->rowIndex() < elem2->rowIndex();
|
|
|
|
return elem1->col() < elem2->col();
|
|
}
|
|
|
|
void RenderTableSection::paintCell(RenderTableCell* cell, PaintInfo& paintInfo, const LayoutPoint& paintOffset)
|
|
{
|
|
LayoutPoint cellPoint = flipForWritingModeForChild(cell, paintOffset);
|
|
PaintPhase paintPhase = paintInfo.phase;
|
|
RenderTableRow& row = downcast<RenderTableRow>(*cell->parent());
|
|
|
|
if (paintPhase == PaintPhase::BlockBackground || paintPhase == PaintPhase::ChildBlockBackground) {
|
|
// We need to handle painting a stack of backgrounds. This stack (from bottom to top) consists of
|
|
// the column group, column, row group, row, and then the cell.
|
|
RenderTableCol* column = table()->colElement(cell->col());
|
|
RenderTableCol* columnGroup = column ? column->enclosingColumnGroup() : nullptr;
|
|
|
|
// Column groups and columns first.
|
|
// FIXME: Columns and column groups do not currently support opacity, and they are being painted "too late" in
|
|
// the stack, since we have already opened a transparency layer (potentially) for the table row group.
|
|
// Note that we deliberately ignore whether or not the cell has a layer, since these backgrounds paint "behind" the
|
|
// cell.
|
|
cell->paintBackgroundsBehindCell(paintInfo, cellPoint, columnGroup);
|
|
cell->paintBackgroundsBehindCell(paintInfo, cellPoint, column);
|
|
|
|
// Paint the row group next.
|
|
cell->paintBackgroundsBehindCell(paintInfo, cellPoint, this);
|
|
|
|
// Paint the row next, but only if it doesn't have a layer. If a row has a layer, it will be responsible for
|
|
// painting the row background for the cell.
|
|
if (!row.hasSelfPaintingLayer())
|
|
cell->paintBackgroundsBehindCell(paintInfo, cellPoint, &row);
|
|
}
|
|
if ((!cell->hasSelfPaintingLayer() && !row.hasSelfPaintingLayer()))
|
|
cell->paint(paintInfo, cellPoint);
|
|
}
|
|
|
|
LayoutRect RenderTableSection::logicalRectForWritingModeAndDirection(const LayoutRect& rect) const
|
|
{
|
|
LayoutRect tableAlignedRect(rect);
|
|
|
|
flipForWritingMode(tableAlignedRect);
|
|
|
|
if (!style().isHorizontalWritingMode())
|
|
tableAlignedRect = tableAlignedRect.transposedRect();
|
|
|
|
const Vector<LayoutUnit>& columnPos = table()->columnPositions();
|
|
// FIXME: The table's direction should determine our row's direction, not the section's (see bug 96691).
|
|
if (!style().isLeftToRightDirection())
|
|
tableAlignedRect.setX(columnPos[columnPos.size() - 1] - tableAlignedRect.maxX());
|
|
|
|
return tableAlignedRect;
|
|
}
|
|
|
|
CellSpan RenderTableSection::dirtiedRows(const LayoutRect& damageRect) const
|
|
{
|
|
if (m_forceSlowPaintPathWithOverflowingCell)
|
|
return fullTableRowSpan();
|
|
|
|
CellSpan coveredRows = spannedRows(damageRect, IncludeAllIntersectingCells);
|
|
|
|
// To repaint the border we might need to repaint first or last row even if they are not spanned themselves.
|
|
if (coveredRows.start >= m_rowPos.size() - 1 && m_rowPos[m_rowPos.size() - 1] + table()->outerBorderAfter() >= damageRect.y())
|
|
--coveredRows.start;
|
|
|
|
if (!coveredRows.end && m_rowPos[0] - table()->outerBorderBefore() <= damageRect.maxY())
|
|
++coveredRows.end;
|
|
|
|
return coveredRows;
|
|
}
|
|
|
|
CellSpan RenderTableSection::dirtiedColumns(const LayoutRect& damageRect) const
|
|
{
|
|
if (m_forceSlowPaintPathWithOverflowingCell)
|
|
return fullTableColumnSpan();
|
|
|
|
CellSpan coveredColumns = spannedColumns(damageRect, IncludeAllIntersectingCells);
|
|
|
|
const Vector<LayoutUnit>& columnPos = table()->columnPositions();
|
|
// To repaint the border we might need to repaint first or last column even if they are not spanned themselves.
|
|
if (coveredColumns.start >= columnPos.size() - 1 && columnPos[columnPos.size() - 1] + table()->outerBorderEnd() >= damageRect.x())
|
|
--coveredColumns.start;
|
|
|
|
if (!coveredColumns.end && columnPos[0] - table()->outerBorderStart() <= damageRect.maxX())
|
|
++coveredColumns.end;
|
|
|
|
return coveredColumns;
|
|
}
|
|
|
|
CellSpan RenderTableSection::spannedRows(const LayoutRect& flippedRect, ShouldIncludeAllIntersectingCells shouldIncludeAllIntersectionCells) const
|
|
{
|
|
// Find the first row that starts after rect top.
|
|
unsigned nextRow = std::upper_bound(m_rowPos.begin(), m_rowPos.end(), flippedRect.y()) - m_rowPos.begin();
|
|
if (shouldIncludeAllIntersectionCells == IncludeAllIntersectingCells && nextRow && m_rowPos[nextRow - 1] == flippedRect.y())
|
|
--nextRow;
|
|
|
|
if (nextRow == m_rowPos.size())
|
|
return CellSpan(m_rowPos.size() - 1, m_rowPos.size() - 1); // After all rows.
|
|
|
|
unsigned startRow = nextRow > 0 ? nextRow - 1 : 0;
|
|
|
|
// Find the first row that starts after rect bottom.
|
|
unsigned endRow;
|
|
if (m_rowPos[nextRow] >= flippedRect.maxY())
|
|
endRow = nextRow;
|
|
else {
|
|
endRow = std::upper_bound(m_rowPos.begin() + static_cast<int32_t>(nextRow), m_rowPos.end(), flippedRect.maxY()) - m_rowPos.begin();
|
|
if (endRow == m_rowPos.size())
|
|
endRow = m_rowPos.size() - 1;
|
|
}
|
|
|
|
return CellSpan(startRow, endRow);
|
|
}
|
|
|
|
CellSpan RenderTableSection::spannedColumns(const LayoutRect& flippedRect, ShouldIncludeAllIntersectingCells shouldIncludeAllIntersectionCells) const
|
|
{
|
|
const Vector<LayoutUnit>& columnPos = table()->columnPositions();
|
|
|
|
// Find the first column that starts after rect left.
|
|
// lower_bound doesn't handle the edge between two cells properly as it would wrongly return the
|
|
// cell on the logical top/left.
|
|
// upper_bound on the other hand properly returns the cell on the logical bottom/right, which also
|
|
// matches the behavior of other browsers.
|
|
unsigned nextColumn = std::upper_bound(columnPos.begin(), columnPos.end(), flippedRect.x()) - columnPos.begin();
|
|
if (shouldIncludeAllIntersectionCells == IncludeAllIntersectingCells && nextColumn && columnPos[nextColumn - 1] == flippedRect.x())
|
|
--nextColumn;
|
|
|
|
if (nextColumn == columnPos.size())
|
|
return CellSpan(columnPos.size() - 1, columnPos.size() - 1); // After all columns.
|
|
|
|
unsigned startColumn = nextColumn > 0 ? nextColumn - 1 : 0;
|
|
|
|
// Find the first column that starts after rect right.
|
|
unsigned endColumn;
|
|
if (columnPos[nextColumn] >= flippedRect.maxX())
|
|
endColumn = nextColumn;
|
|
else {
|
|
endColumn = std::upper_bound(columnPos.begin() + static_cast<int32_t>(nextColumn), columnPos.end(), flippedRect.maxX()) - columnPos.begin();
|
|
if (endColumn == columnPos.size())
|
|
endColumn = columnPos.size() - 1;
|
|
}
|
|
|
|
return CellSpan(startColumn, endColumn);
|
|
}
|
|
|
|
void RenderTableSection::paintRowGroupBorder(const PaintInfo& paintInfo, bool antialias, LayoutRect rect, BoxSide side, CSSPropertyID borderColor, BorderStyle borderStyle, BorderStyle tableBorderStyle)
|
|
{
|
|
if (tableBorderStyle == BorderStyle::Hidden)
|
|
return;
|
|
rect.intersect(paintInfo.rect);
|
|
if (rect.isEmpty())
|
|
return;
|
|
drawLineForBoxSide(paintInfo.context(), rect, side, style().visitedDependentColorWithColorFilter(borderColor), borderStyle, 0, 0, antialias);
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::offsetLeftForRowGroupBorder(RenderTableCell* cell, const LayoutRect& rowGroupRect, unsigned row)
|
|
{
|
|
if (style().isHorizontalWritingMode()) {
|
|
if (style().isLeftToRightDirection())
|
|
return cell ? cell->x() + cell->width() : 0_lu;
|
|
return -outerBorderLeft(&style());
|
|
}
|
|
bool isLastRow = row + 1 == m_grid.size();
|
|
return rowGroupRect.width() - m_rowPos[row + 1] + (isLastRow ? -outerBorderLeft(&style()) : 0_lu);
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::offsetTopForRowGroupBorder(RenderTableCell* cell, BoxSide borderSide, unsigned row)
|
|
{
|
|
bool isLastRow = row + 1 == m_grid.size();
|
|
if (style().isHorizontalWritingMode())
|
|
return m_rowPos[row] + (!row && borderSide == BoxSide::Right ? -outerBorderTop(&style()) : isLastRow && borderSide == BoxSide::Left ? outerBorderTop(&style()) : 0_lu);
|
|
if (style().isLeftToRightDirection())
|
|
return (cell ? cell->y() + cell->height() : 0_lu) + (borderSide == BoxSide::Left ? outerBorderTop(&style()) : 0_lu);
|
|
return borderSide == BoxSide::Right ? -outerBorderTop(&style()) : 0_lu;
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::verticalRowGroupBorderHeight(RenderTableCell* cell, const LayoutRect& rowGroupRect, unsigned row)
|
|
{
|
|
bool isLastRow = row + 1 == m_grid.size();
|
|
if (style().isHorizontalWritingMode())
|
|
return m_rowPos[row + 1] - m_rowPos[row] + (!row ? outerBorderTop(&style()) : isLastRow ? outerBorderBottom(&style()) : 0_lu);
|
|
if (style().isLeftToRightDirection())
|
|
return rowGroupRect.height() - (cell ? cell->y() + cell->height() : 0_lu) + outerBorderBottom(&style());
|
|
return cell ? rowGroupRect.height() - (cell->y() - cell->height()) : 0_lu;
|
|
}
|
|
|
|
LayoutUnit RenderTableSection::horizontalRowGroupBorderWidth(RenderTableCell* cell, const LayoutRect& rowGroupRect, unsigned row, unsigned column)
|
|
{
|
|
if (style().isHorizontalWritingMode()) {
|
|
if (style().isLeftToRightDirection())
|
|
return rowGroupRect.width() - (cell ? cell->x() + cell->width() : 0_lu) + (!column ? outerBorderLeft(&style()) : column == table()->numEffCols() ? outerBorderRight(&style()) : 0_lu);
|
|
return cell ? rowGroupRect.width() - (cell->x() - cell->width()) : 0_lu;
|
|
}
|
|
bool isLastRow = row + 1 == m_grid.size();
|
|
return m_rowPos[row + 1] - m_rowPos[row] + (isLastRow ? outerBorderLeft(&style()) : !row ? outerBorderRight(&style()) : 0_lu);
|
|
}
|
|
|
|
void RenderTableSection::paintRowGroupBorderIfRequired(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, unsigned row, unsigned column, BoxSide borderSide, RenderTableCell* cell)
|
|
{
|
|
if (table()->currentBorderValue()->precedence() > BorderPrecedence::RowGroup)
|
|
return;
|
|
if (paintInfo.context().paintingDisabled())
|
|
return;
|
|
|
|
const RenderStyle& style = this->style();
|
|
bool antialias = shouldAntialiasLines(paintInfo.context());
|
|
LayoutRect rowGroupRect = LayoutRect(paintOffset, size());
|
|
rowGroupRect.moveBy(-LayoutPoint(outerBorderLeft(&style), (borderSide == BoxSide::Right) ? 0_lu : outerBorderTop(&style)));
|
|
|
|
switch (borderSide) {
|
|
case BoxSide::Top:
|
|
paintRowGroupBorder(paintInfo, antialias, LayoutRect(paintOffset.x() + offsetLeftForRowGroupBorder(cell, rowGroupRect, row), rowGroupRect.y(),
|
|
horizontalRowGroupBorderWidth(cell, rowGroupRect, row, column), LayoutUnit(style.borderTop().width())), BoxSide::Top, CSSPropertyBorderTopColor, style.borderTopStyle(), table()->style().borderTopStyle());
|
|
break;
|
|
case BoxSide::Bottom:
|
|
paintRowGroupBorder(paintInfo, antialias, LayoutRect(paintOffset.x() + offsetLeftForRowGroupBorder(cell, rowGroupRect, row), rowGroupRect.y() + rowGroupRect.height(),
|
|
horizontalRowGroupBorderWidth(cell, rowGroupRect, row, column), LayoutUnit(style.borderBottom().width())), BoxSide::Bottom, CSSPropertyBorderBottomColor, style.borderBottomStyle(), table()->style().borderBottomStyle());
|
|
break;
|
|
case BoxSide::Left:
|
|
paintRowGroupBorder(paintInfo, antialias, LayoutRect(rowGroupRect.x(), rowGroupRect.y() + offsetTopForRowGroupBorder(cell, borderSide, row), LayoutUnit(style.borderLeft().width()),
|
|
verticalRowGroupBorderHeight(cell, rowGroupRect, row)), BoxSide::Left, CSSPropertyBorderLeftColor, style.borderLeftStyle(), table()->style().borderLeftStyle());
|
|
break;
|
|
case BoxSide::Right:
|
|
paintRowGroupBorder(paintInfo, antialias, LayoutRect(rowGroupRect.x() + rowGroupRect.width(), rowGroupRect.y() + offsetTopForRowGroupBorder(cell, borderSide, row), LayoutUnit(style.borderRight().width()),
|
|
verticalRowGroupBorderHeight(cell, rowGroupRect, row)), BoxSide::Right, CSSPropertyBorderRightColor, style.borderRightStyle(), table()->style().borderRightStyle());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static BoxSide physicalBorderForDirection(const RenderStyle* styleForCellFlow, CollapsedBorderSide side)
|
|
{
|
|
|
|
switch (side) {
|
|
case CBSStart:
|
|
if (styleForCellFlow->isHorizontalWritingMode())
|
|
return styleForCellFlow->isLeftToRightDirection() ? BoxSide::Left : BoxSide::Right;
|
|
return styleForCellFlow->isLeftToRightDirection() ? BoxSide::Top : BoxSide::Bottom;
|
|
case CBSEnd:
|
|
if (styleForCellFlow->isHorizontalWritingMode())
|
|
return styleForCellFlow->isLeftToRightDirection() ? BoxSide::Right : BoxSide::Left;
|
|
return styleForCellFlow->isLeftToRightDirection() ? BoxSide::Bottom : BoxSide::Top;
|
|
case CBSBefore:
|
|
if (styleForCellFlow->isHorizontalWritingMode())
|
|
return BoxSide::Top;
|
|
return styleForCellFlow->isLeftToRightDirection() ? BoxSide::Right : BoxSide::Left;
|
|
case CBSAfter:
|
|
if (styleForCellFlow->isHorizontalWritingMode())
|
|
return BoxSide::Bottom;
|
|
return styleForCellFlow->isLeftToRightDirection() ? BoxSide::Left : BoxSide::Right;
|
|
default:
|
|
ASSERT_NOT_REACHED();
|
|
return BoxSide::Left;
|
|
}
|
|
}
|
|
|
|
void RenderTableSection::paintObject(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
|
|
{
|
|
LayoutRect localRepaintRect = paintInfo.rect;
|
|
localRepaintRect.moveBy(-paintOffset);
|
|
|
|
LayoutRect tableAlignedRect = logicalRectForWritingModeAndDirection(localRepaintRect);
|
|
|
|
CellSpan dirtiedRows = this->dirtiedRows(tableAlignedRect);
|
|
CellSpan dirtiedColumns = this->dirtiedColumns(tableAlignedRect);
|
|
|
|
if (dirtiedColumns.start < dirtiedColumns.end) {
|
|
if (!m_hasMultipleCellLevels && !m_overflowingCells.size()) {
|
|
if (paintInfo.phase == PaintPhase::CollapsedTableBorders) {
|
|
// Collapsed borders are painted from the bottom right to the top left so that precedence
|
|
// due to cell position is respected. We need to paint one row beyond the topmost dirtied
|
|
// row to calculate its collapsed border value.
|
|
unsigned startRow = dirtiedRows.start ? dirtiedRows.start - 1 : 0;
|
|
for (unsigned r = dirtiedRows.end; r > startRow; r--) {
|
|
unsigned row = r - 1;
|
|
bool shouldPaintRowGroupBorder = false;
|
|
for (unsigned c = dirtiedColumns.end; c > dirtiedColumns.start; c--) {
|
|
unsigned col = c - 1;
|
|
CellStruct& current = cellAt(row, col);
|
|
RenderTableCell* cell = current.primaryCell();
|
|
if (!cell) {
|
|
if (!c)
|
|
paintRowGroupBorderIfRequired(paintInfo, paintOffset, row, col, physicalBorderForDirection(&style(), CBSStart));
|
|
else if (c == table()->numEffCols())
|
|
paintRowGroupBorderIfRequired(paintInfo, paintOffset, row, col, physicalBorderForDirection(&style(), CBSEnd));
|
|
shouldPaintRowGroupBorder = true;
|
|
continue;
|
|
}
|
|
if ((row > dirtiedRows.start && primaryCellAt(row - 1, col) == cell) || (col > dirtiedColumns.start && primaryCellAt(row, col - 1) == cell))
|
|
continue;
|
|
|
|
// If we had a run of null cells paint their corresponding section of the row group's border if necessary. Note that
|
|
// this will only happen once within a row as the null cells will always be clustered together on one end of the row.
|
|
if (shouldPaintRowGroupBorder) {
|
|
if (r == m_grid.size())
|
|
paintRowGroupBorderIfRequired(paintInfo, paintOffset, row, col, physicalBorderForDirection(&style(), CBSAfter), cell);
|
|
else if (!row && !table()->sectionAbove(this))
|
|
paintRowGroupBorderIfRequired(paintInfo, paintOffset, row, col, physicalBorderForDirection(&style(), CBSBefore), cell);
|
|
shouldPaintRowGroupBorder = false;
|
|
}
|
|
|
|
LayoutPoint cellPoint = flipForWritingModeForChild(cell, paintOffset);
|
|
cell->paintCollapsedBorders(paintInfo, cellPoint);
|
|
}
|
|
}
|
|
} else {
|
|
// Draw the dirty cells in the order that they appear.
|
|
for (unsigned r = dirtiedRows.start; r < dirtiedRows.end; r++) {
|
|
RenderTableRow* row = m_grid[r].rowRenderer;
|
|
if (row && !row->hasSelfPaintingLayer())
|
|
row->paintOutlineForRowIfNeeded(paintInfo, paintOffset);
|
|
for (unsigned c = dirtiedColumns.start; c < dirtiedColumns.end; c++) {
|
|
CellStruct& current = cellAt(r, c);
|
|
RenderTableCell* cell = current.primaryCell();
|
|
if (!cell || (r > dirtiedRows.start && primaryCellAt(r - 1, c) == cell) || (c > dirtiedColumns.start && primaryCellAt(r, c - 1) == cell))
|
|
continue;
|
|
paintCell(cell, paintInfo, paintOffset);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// The overflowing cells should be scarce to avoid adding a lot of cells to the HashSet.
|
|
#ifndef NDEBUG
|
|
unsigned totalRows = m_grid.size();
|
|
unsigned totalCols = table()->columns().size();
|
|
ASSERT(m_overflowingCells.size() < totalRows * totalCols * gMaxAllowedOverflowingCellRatioForFastPaintPath);
|
|
#endif
|
|
|
|
// To make sure we properly repaint the section, we repaint all the overflowing cells that we collected.
|
|
auto cells = copyToVector(m_overflowingCells);
|
|
|
|
HashSet<RenderTableCell*> spanningCells;
|
|
|
|
for (unsigned r = dirtiedRows.start; r < dirtiedRows.end; r++) {
|
|
RenderTableRow* row = m_grid[r].rowRenderer;
|
|
if (row && !row->hasSelfPaintingLayer())
|
|
row->paintOutlineForRowIfNeeded(paintInfo, paintOffset);
|
|
for (unsigned c = dirtiedColumns.start; c < dirtiedColumns.end; c++) {
|
|
CellStruct& current = cellAt(r, c);
|
|
if (!current.hasCells())
|
|
continue;
|
|
for (unsigned i = 0; i < current.cells.size(); ++i) {
|
|
if (m_overflowingCells.contains(current.cells[i]))
|
|
continue;
|
|
|
|
if (current.cells[i]->rowSpan() > 1 || current.cells[i]->colSpan() > 1) {
|
|
if (!spanningCells.add(current.cells[i]).isNewEntry)
|
|
continue;
|
|
}
|
|
|
|
cells.append(current.cells[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Sort the dirty cells by paint order.
|
|
if (!m_overflowingCells.size())
|
|
std::stable_sort(cells.begin(), cells.end(), compareCellPositions);
|
|
else
|
|
std::sort(cells.begin(), cells.end(), compareCellPositionsWithOverflowingCells);
|
|
|
|
if (paintInfo.phase == PaintPhase::CollapsedTableBorders) {
|
|
for (unsigned i = cells.size(); i > 0; --i) {
|
|
LayoutPoint cellPoint = flipForWritingModeForChild(cells[i - 1], paintOffset);
|
|
cells[i - 1]->paintCollapsedBorders(paintInfo, cellPoint);
|
|
}
|
|
} else {
|
|
for (unsigned i = 0; i < cells.size(); ++i)
|
|
paintCell(cells[i], paintInfo, paintOffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderTableSection::imageChanged(WrappedImagePtr, const IntRect*)
|
|
{
|
|
// FIXME: Examine cells and repaint only the rect the image paints in.
|
|
repaint();
|
|
}
|
|
|
|
void RenderTableSection::recalcCells()
|
|
{
|
|
ASSERT(m_needsCellRecalc);
|
|
// We reset the flag here to ensure that addCell() works. This is safe to do because we clear the grid
|
|
// and update its dimensions to be consistent with the table's column representation before we rebuild
|
|
// the grid using addCell().
|
|
m_needsCellRecalc = false;
|
|
|
|
m_cCol = 0;
|
|
m_cRow = 0;
|
|
m_grid.clear();
|
|
|
|
for (RenderTableRow* row = firstRow(); row; row = row->nextRow()) {
|
|
unsigned insertionRow = m_cRow;
|
|
m_cRow++;
|
|
m_cCol = 0;
|
|
ensureRows(m_cRow);
|
|
|
|
m_grid[insertionRow].rowRenderer = row;
|
|
row->setRowIndex(insertionRow);
|
|
setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(m_grid[insertionRow]);
|
|
|
|
for (RenderTableCell* cell = row->firstCell(); cell; cell = cell->nextCell())
|
|
addCell(cell, row);
|
|
}
|
|
|
|
m_grid.shrinkToFit();
|
|
setNeedsLayout();
|
|
}
|
|
|
|
void RenderTableSection::removeRedundantColumns()
|
|
{
|
|
auto maximumNumberOfColumns = table()->numEffCols();
|
|
for (auto& rowItem : m_grid) {
|
|
if (rowItem.row.size() <= maximumNumberOfColumns)
|
|
continue;
|
|
rowItem.row.resize(maximumNumberOfColumns);
|
|
}
|
|
}
|
|
|
|
// FIXME: This function could be made O(1) in certain cases (like for the non-most-constrainive cells' case).
|
|
void RenderTableSection::rowLogicalHeightChanged(unsigned rowIndex)
|
|
{
|
|
if (needsCellRecalc())
|
|
return;
|
|
|
|
setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(m_grid[rowIndex]);
|
|
|
|
for (RenderTableCell* cell = m_grid[rowIndex].rowRenderer->firstCell(); cell; cell = cell->nextCell())
|
|
updateLogicalHeightForCell(m_grid[rowIndex], cell);
|
|
}
|
|
|
|
void RenderTableSection::setNeedsCellRecalc()
|
|
{
|
|
m_needsCellRecalc = true;
|
|
|
|
// Clear the grid now to ensure that we don't hold onto any stale pointers (e.g. a cell renderer that is being removed).
|
|
m_grid.clear();
|
|
|
|
if (RenderTable* t = table())
|
|
t->setNeedsSectionRecalc();
|
|
}
|
|
|
|
unsigned RenderTableSection::numColumns() const
|
|
{
|
|
ASSERT(!m_needsCellRecalc);
|
|
unsigned result = 0;
|
|
|
|
for (unsigned r = 0; r < m_grid.size(); ++r) {
|
|
for (unsigned c = result; c < table()->numEffCols(); ++c) {
|
|
const CellStruct& cell = cellAt(r, c);
|
|
if (cell.hasCells() || cell.inColSpan)
|
|
result = c;
|
|
}
|
|
}
|
|
|
|
return result + 1;
|
|
}
|
|
|
|
const BorderValue& RenderTableSection::borderAdjoiningStartCell(const RenderTableCell& cell) const
|
|
{
|
|
ASSERT(cell.isFirstOrLastCellInRow());
|
|
return isDirectionSame(this, &cell) ? style().borderStart() : style().borderEnd();
|
|
}
|
|
|
|
const BorderValue& RenderTableSection::borderAdjoiningEndCell(const RenderTableCell& cell) const
|
|
{
|
|
ASSERT(cell.isFirstOrLastCellInRow());
|
|
return isDirectionSame(this, &cell) ? style().borderEnd() : style().borderStart();
|
|
}
|
|
|
|
const RenderTableCell* RenderTableSection::firstRowCellAdjoiningTableStart() const
|
|
{
|
|
unsigned adjoiningStartCellColumnIndex = isDirectionSame(this, table()) ? 0 : table()->lastColumnIndex();
|
|
return cellAt(0, adjoiningStartCellColumnIndex).primaryCell();
|
|
}
|
|
|
|
const RenderTableCell* RenderTableSection::firstRowCellAdjoiningTableEnd() const
|
|
{
|
|
unsigned adjoiningEndCellColumnIndex = isDirectionSame(this, table()) ? table()->lastColumnIndex() : 0;
|
|
return cellAt(0, adjoiningEndCellColumnIndex).primaryCell();
|
|
}
|
|
|
|
void RenderTableSection::appendColumn(unsigned pos)
|
|
{
|
|
ASSERT(!m_needsCellRecalc);
|
|
|
|
for (unsigned row = 0; row < m_grid.size(); ++row)
|
|
m_grid[row].row.resize(pos + 1);
|
|
}
|
|
|
|
void RenderTableSection::splitColumn(unsigned pos, unsigned first)
|
|
{
|
|
ASSERT(!m_needsCellRecalc);
|
|
|
|
if (m_cCol > pos)
|
|
m_cCol++;
|
|
for (unsigned row = 0; row < m_grid.size(); ++row) {
|
|
Row& r = m_grid[row].row;
|
|
r.insert(pos + 1, CellStruct());
|
|
if (r[pos].hasCells()) {
|
|
r[pos + 1].cells.appendVector(r[pos].cells);
|
|
RenderTableCell* cell = r[pos].primaryCell();
|
|
ASSERT(cell);
|
|
ASSERT(cell->colSpan() >= (r[pos].inColSpan ? 1u : 0));
|
|
unsigned colleft = cell->colSpan() - r[pos].inColSpan;
|
|
if (first > colleft)
|
|
r[pos + 1].inColSpan = 0;
|
|
else
|
|
r[pos + 1].inColSpan = first + r[pos].inColSpan;
|
|
} else {
|
|
r[pos + 1].inColSpan = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Hit Testing
|
|
bool RenderTableSection::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
|
|
{
|
|
// If we have no children then we have nothing to do.
|
|
if (!firstRow())
|
|
return false;
|
|
|
|
// Table sections cannot ever be hit tested. Effectively they do not exist.
|
|
// Just forward to our children always.
|
|
LayoutPoint adjustedLocation = accumulatedOffset + location();
|
|
|
|
if (hasNonVisibleOverflow() && !locationInContainer.intersects(overflowClipRect(adjustedLocation, nullptr)))
|
|
return false;
|
|
|
|
if (hasOverflowingCell()) {
|
|
for (RenderTableRow* row = lastRow(); row; row = row->previousRow()) {
|
|
// FIXME: We have to skip over inline flows, since they can show up inside table rows
|
|
// at the moment (a demoted inline <form> for example). If we ever implement a
|
|
// table-specific hit-test method (which we should do for performance reasons anyway),
|
|
// then we can remove this check.
|
|
if (!row->hasSelfPaintingLayer()) {
|
|
LayoutPoint childPoint = flipForWritingModeForChild(row, adjustedLocation);
|
|
if (row->nodeAtPoint(request, result, locationInContainer, childPoint, action)) {
|
|
updateHitTestResult(result, toLayoutPoint(locationInContainer.point() - childPoint));
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
recalcCellsIfNeeded();
|
|
|
|
LayoutRect hitTestRect = locationInContainer.boundingBox();
|
|
hitTestRect.moveBy(-adjustedLocation);
|
|
|
|
LayoutRect tableAlignedRect = logicalRectForWritingModeAndDirection(hitTestRect);
|
|
CellSpan rowSpan = spannedRows(tableAlignedRect, DoNotIncludeAllIntersectingCells);
|
|
CellSpan columnSpan = spannedColumns(tableAlignedRect, DoNotIncludeAllIntersectingCells);
|
|
|
|
// Now iterate over the spanned rows and columns.
|
|
for (unsigned hitRow = rowSpan.start; hitRow < rowSpan.end; ++hitRow) {
|
|
for (unsigned hitColumn = columnSpan.start; hitColumn < columnSpan.end; ++hitColumn) {
|
|
CellStruct& current = cellAt(hitRow, hitColumn);
|
|
|
|
// If the cell is empty, there's nothing to do
|
|
if (!current.hasCells())
|
|
continue;
|
|
|
|
for (unsigned i = current.cells.size() ; i; ) {
|
|
--i;
|
|
RenderTableCell* cell = current.cells[i];
|
|
LayoutPoint cellPoint = flipForWritingModeForChild(cell, adjustedLocation);
|
|
if (static_cast<RenderObject*>(cell)->nodeAtPoint(request, result, locationInContainer, cellPoint, action)) {
|
|
updateHitTestResult(result, locationInContainer.point() - toLayoutSize(cellPoint));
|
|
return true;
|
|
}
|
|
}
|
|
if (!request.resultIsElementList())
|
|
break;
|
|
}
|
|
if (!request.resultIsElementList())
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void RenderTableSection::clearCachedCollapsedBorders()
|
|
{
|
|
if (!table()->collapseBorders())
|
|
return;
|
|
m_cellsCollapsedBorders.clear();
|
|
}
|
|
|
|
void RenderTableSection::removeCachedCollapsedBorders(const RenderTableCell& cell)
|
|
{
|
|
if (!table()->collapseBorders())
|
|
return;
|
|
|
|
for (int side = CBSBefore; side <= CBSEnd; ++side)
|
|
m_cellsCollapsedBorders.remove(std::make_pair(&cell, side));
|
|
}
|
|
|
|
void RenderTableSection::setCachedCollapsedBorder(const RenderTableCell& cell, CollapsedBorderSide side, CollapsedBorderValue border)
|
|
{
|
|
ASSERT(table()->collapseBorders());
|
|
ASSERT(border.width());
|
|
m_cellsCollapsedBorders.set(std::make_pair(&cell, side), border);
|
|
}
|
|
|
|
CollapsedBorderValue RenderTableSection::cachedCollapsedBorder(const RenderTableCell& cell, CollapsedBorderSide side)
|
|
{
|
|
ASSERT(table()->collapseBorders() && table()->collapsedBordersAreValid());
|
|
auto it = m_cellsCollapsedBorders.find(std::make_pair(&cell, side));
|
|
// Only non-empty collapsed borders are in the hashmap.
|
|
if (it == m_cellsCollapsedBorders.end())
|
|
return CollapsedBorderValue(BorderValue(), Color(), BorderPrecedence::Cell);
|
|
return it->value;
|
|
}
|
|
|
|
RenderPtr<RenderTableSection> RenderTableSection::createTableSectionWithStyle(Document& document, const RenderStyle& style)
|
|
{
|
|
auto section = createRenderer<RenderTableSection>(document, RenderStyle::createAnonymousStyleWithDisplay(style, DisplayType::TableRowGroup));
|
|
section->initializeStyle();
|
|
return section;
|
|
}
|
|
|
|
RenderPtr<RenderTableSection> RenderTableSection::createAnonymousWithParentRenderer(const RenderTable& parent)
|
|
{
|
|
return RenderTableSection::createTableSectionWithStyle(parent.document(), parent.style());
|
|
}
|
|
|
|
void RenderTableSection::setLogicalPositionForCell(RenderTableCell* cell, unsigned effectiveColumn) const
|
|
{
|
|
LayoutPoint oldCellLocation = cell->location();
|
|
|
|
LayoutPoint cellLocation(0_lu, m_rowPos[cell->rowIndex()]);
|
|
LayoutUnit horizontalBorderSpacing = table()->hBorderSpacing();
|
|
|
|
// FIXME: The table's direction should determine our row's direction, not the section's (see bug 96691).
|
|
if (!style().isLeftToRightDirection())
|
|
cellLocation.setX(table()->columnPositions()[table()->numEffCols()] - table()->columnPositions()[table()->colToEffCol(cell->col() + cell->colSpan())] + horizontalBorderSpacing);
|
|
else
|
|
cellLocation.setX(table()->columnPositions()[effectiveColumn] + horizontalBorderSpacing);
|
|
|
|
cell->setLogicalLocation(cellLocation);
|
|
view().frameView().layoutContext().addLayoutDelta(oldCellLocation - cell->location());
|
|
}
|
|
|
|
} // namespace WebCore
|