void AccessibilityTableCell::columnHeaders(AccessibilityChildrenVector& headers)
{
AccessibilityTable* parent = parentTable();
if (!parent)
return;
// Choose columnHeaders as the place where the "headers" attribute is reported.
ariaElementsFromAttribute(headers, headersAttr);
// If the headers attribute returned valid values, then do not further search for column headers.
if (!headers.isEmpty())
return;
std::pair<unsigned, unsigned> rowRange;
rowIndexRange(rowRange);
std::pair<unsigned, unsigned> colRange;
columnIndexRange(colRange);
for (unsigned row = 0; row < rowRange.first; row++) {
AccessibilityTableCell* tableCell = parent->cellForColumnAndRow(colRange.first, row);
if (!tableCell || tableCell == this || headers.contains(tableCell))
continue;
std::pair<unsigned, unsigned> childRowRange;
tableCell->rowIndexRange(childRowRange);
const AtomicString& scope = tableCell->getAttribute(scopeAttr);
if (scope == "colgroup" && isTableCellInSameColGroup(tableCell))
headers.append(tableCell);
else if (tableCell->isColumnHeaderCell())
headers.append(tableCell);
}
}
