void TableRowPainter::paint(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
DCHECK(m_layoutTableRow.hasSelfPaintingLayer());
// TODO(crbug.com/577282): This painting order is inconsistent with other
// outlines.
if (shouldPaintSelfOutline(paintInfo.phase))
paintOutline(paintInfo, paintOffset);
if (paintInfo.phase == PaintPhaseSelfOutlineOnly)
return;
PaintInfo paintInfoForCells = paintInfo.forDescendants();
if (shouldPaintSelfBlockBackground(paintInfo.phase)) {
paintBoxShadow(paintInfo, paintOffset, Normal);
if (m_layoutTableRow.styleRef().hasBackground()) {
// Paint row background of behind the cells.
for (LayoutTableCell* cell = m_layoutTableRow.firstCell(); cell;
cell = cell->nextCell())
TableCellPainter(*cell).paintContainerBackgroundBehindCell(
paintInfoForCells, paintOffset, m_layoutTableRow,
DisplayItem::kTableCellBackgroundFromRow);
}
paintBoxShadow(paintInfo, paintOffset, Inset);
}
if (paintInfo.phase == PaintPhaseSelfBlockBackgroundOnly)
return;
for (LayoutTableCell* cell = m_layoutTableRow.firstCell(); cell;
cell = cell->nextCell()) {
if (!cell->hasSelfPaintingLayer())
cell->paint(paintInfoForCells, paintOffset);
}
}
// Hit Testing
bool LayoutTableRow::nodeAtPoint(HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
// Table rows cannot ever be hit tested. Effectively they do not exist.
// Just forward to our children always.
for (LayoutTableCell* cell = lastCell(); cell; cell = cell->previousCell()) {
// 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 (!cell->hasSelfPaintingLayer()) {
LayoutPoint cellPoint = flipForWritingModeForChild(cell, accumulatedOffset);
if (cell->nodeAtPoint(result, locationInContainer, cellPoint, action)) {
updateHitTestResult(result, locationInContainer.point() - toLayoutSize(cellPoint));
return true;
}
}
}
return false;
}
void TableSectionPainter::paintCell(const LayoutTableCell& cell, const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
LayoutPoint cellPoint = m_layoutTableSection.flipForWritingModeForChild(&cell, paintOffset);
PaintPhase paintPhase = paintInfo.phase;
const LayoutTableRow* row = toLayoutTableRow(cell.parent());
if ((paintPhase == PaintPhaseSelfBlockBackground || paintPhase == PaintPhaseBlockBackground)
&& BlockPainter(cell).intersectsPaintRect(paintInfo, paintOffset)) {
// 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.
LayoutTable::ColAndColGroup colAndColGroup = m_layoutTableSection.table()->colElement(cell.col());
LayoutTableCol* column = colAndColGroup.col;
LayoutTableCol* columnGroup = colAndColGroup.colgroup;
TableCellPainter tableCellPainter(cell);
// 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.
if (columnGroup && columnGroup->hasBackground())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, columnGroup, DisplayItem::TableCellBackgroundFromColumnGroup);
if (column && column->hasBackground())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, column, DisplayItem::TableCellBackgroundFromColumn);
// Paint the row group next.
if (m_layoutTableSection.hasBackground())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, &m_layoutTableSection, DisplayItem::TableCellBackgroundFromSection);
// 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->hasBackground() && !row->hasSelfPaintingLayer())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, row, DisplayItem::TableCellBackgroundFromRow);
}
if ((!cell.hasSelfPaintingLayer() && !row->hasSelfPaintingLayer()))
cell.paint(paintInfo, cellPoint);
}