AXObject* AXTableColumn::headerObject() {
AXObjectVector headers;
headerObjectsForColumn(headers);
if (!headers.size())
return 0;
return headers[0].get();
}
void AXTableColumn::headerObjectsForColumn(AXObjectVector& headers) {
if (!m_parent)
return;
LayoutObject* layoutObject = m_parent->getLayoutObject();
if (!layoutObject)
return;
if (!m_parent->isAXTable())
return;
if (toAXTable(m_parent)->isAriaTable()) {
for (const auto& cell : children()) {
if (cell->roleValue() == ColumnHeaderRole)
headers.append(cell);
}
return;
}
if (!layoutObject->isTable())
return;
LayoutTable* table = toLayoutTable(layoutObject);
LayoutTableSection* tableSection = table->topSection();
for (; tableSection;
tableSection = table->sectionBelow(tableSection, SkipEmptySections)) {
unsigned numCols = tableSection->numEffectiveColumns();
if (m_columnIndex >= numCols)
continue;
unsigned numRows = tableSection->numRows();
for (unsigned r = 0; r < numRows; r++) {
LayoutTableCell* layoutCell =
tableSection->primaryCellAt(r, m_columnIndex);
if (!layoutCell)
continue;
AXObject* cell = axObjectCache().getOrCreate(layoutCell->node());
if (!cell || !cell->isTableCell() || headers.contains(cell))
continue;
if (toAXTableCell(cell)->scanToDecideHeaderRole() == ColumnHeaderRole)
headers.append(cell);
}
}
}
void AXObject::ariaTreeRows(AXObjectVector& result)
{
for (const auto& child : children()) {
// Add tree items as the rows.
if (child->roleValue() == TreeItemRole)
result.append(child);
// Now see if this item also has rows hiding inside of it.
child->ariaTreeRows(result);
}
}
