AccessibilityTableCell* AccessibilityTable::cellForColumnAndRow(unsigned column, unsigned row)
{
updateChildrenIfNecessary();
if (column >= columnCount() || row >= rowCount())
return 0;
// Iterate backwards through the rows in case the desired cell has a rowspan and exists in a previous row.
for (unsigned rowIndexCounter = row + 1; rowIndexCounter > 0; --rowIndexCounter) {
unsigned rowIndex = rowIndexCounter - 1;
const auto& children = m_rows[rowIndex]->children();
// Since some cells may have colspans, we have to check the actual range of each
// cell to determine which is the right one.
for (unsigned colIndexCounter = std::min(static_cast<unsigned>(children.size()), column + 1); colIndexCounter > 0; --colIndexCounter) {
unsigned colIndex = colIndexCounter - 1;
AccessibilityObject* child = children[colIndex].get();
ASSERT(child->isTableCell());
if (!child->isTableCell())
continue;
std::pair<unsigned, unsigned> columnRange;
std::pair<unsigned, unsigned> rowRange;
AccessibilityTableCell* tableCellChild = toAccessibilityTableCell(child);
tableCellChild->columnIndexRange(columnRange);
tableCellChild->rowIndexRange(rowRange);
if ((column >= columnRange.first && column < (columnRange.first + columnRange.second))
&& (row >= rowRange.first && row < (rowRange.first + rowRange.second)))
return tableCellChild;
}
}
return 0;
}
static gint webkitAccessibleTableGetColumnExtentAt(AtkTable* table, gint row, gint column)
{
AccessibilityTableCell* axCell = cell(table, row, column);
if (axCell) {
pair<unsigned, unsigned> columnRange;
axCell->columnIndexRange(columnRange);
return columnRange.second;
}
return 0;
}
static gint webkitAccessibleTableGetColumnAtIndex(AtkTable* table, gint index)
{
AccessibilityTableCell* axCell = cellAtIndex(table, index);
if (axCell) {
pair<unsigned, unsigned> columnRange;
axCell->columnIndexRange(columnRange);
return columnRange.first;
}
return -1;
}
static gint webkit_accessible_table_get_column_extent_at(AtkTable* table, gint row, gint column)
{
AccessibilityTableCell* AXCell = cell(table, row, column);
if (AXCell) {
pair<int, int> columnRange;
AXCell->columnIndexRange(columnRange);
return columnRange.second;
}
return 0;
}
static gint webkitAccessibleTableGetColumnExtentAt(AtkTable* table, gint row, gint column)
{
g_return_val_if_fail(ATK_TABLE(table), 0);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(table), 0);
AccessibilityTableCell* axCell = cell(table, row, column);
if (axCell) {
pair<unsigned, unsigned> columnRange;
axCell->columnIndexRange(columnRange);
return columnRange.second;
}
return 0;
}
static gint webkitAccessibleTableGetColumnAtIndex(AtkTable* table, gint index)
{
g_return_val_if_fail(ATK_TABLE(table), -1);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(table), -1);
AccessibilityTableCell* axCell = cellAtIndex(table, index);
if (axCell) {
pair<unsigned, unsigned> columnRange;
axCell->columnIndexRange(columnRange);
return columnRange.first;
}
return -1;
}
static AtkObject* webkitAccessibleTableGetColumnHeader(AtkTable* table, gint column)
{
AccessibilityObject* accTable = core(table);
if (accTable->isAccessibilityRenderObject()) {
AccessibilityObject::AccessibilityChildrenVector allColumnHeaders;
static_cast<AccessibilityTable*>(accTable)->columnHeaders(allColumnHeaders);
unsigned columnCount = allColumnHeaders.size();
for (unsigned k = 0; k < columnCount; ++k) {
pair<unsigned, unsigned> columnRange;
AccessibilityTableCell* cell = static_cast<AccessibilityTableCell*>(allColumnHeaders.at(k).get());
cell->columnIndexRange(columnRange);
if (columnRange.first <= static_cast<unsigned>(column) && static_cast<unsigned>(column) < columnRange.first + columnRange.second)
return allColumnHeaders[k]->wrapper();
}
}
return 0;
}
AccessibilityTableCell* AccessibilityARIAGrid::cellForColumnAndRow(unsigned column, unsigned row)
{
if (!m_renderer)
return 0;
updateChildrenIfNecessary();
if (column >= columnCount() || row >= rowCount())
return 0;
int intRow = (int)row;
int intColumn = (int)column;
pair<int, int> columnRange;
pair<int, int> rowRange;
// Iterate backwards through the rows in case the desired cell has a rowspan and exists
// in a previous row.
for (; intRow >= 0; --intRow) {
AccessibilityObject* tableRow = m_rows[intRow].get();
if (!tableRow)
continue;
AccessibilityChildrenVector children = tableRow->children();
unsigned childrenLength = children.size();
// Since some cells may have colspans, we have to check the actual range of each
// cell to determine which is the right one.
for (unsigned k = 0; k < childrenLength; ++k) {
AccessibilityObject* child = children[k].get();
if (!child->isTableCell())
continue;
AccessibilityTableCell* tableCellChild = static_cast<AccessibilityTableCell*>(child);
tableCellChild->columnIndexRange(columnRange);
tableCellChild->rowIndexRange(rowRange);
if ((intColumn >= columnRange.first && intColumn < (columnRange.first + columnRange.second))
&& (intRow >= rowRange.first && intRow < (rowRange.first + rowRange.second)))
return tableCellChild;
}
}
return 0;
}
static AtkObject* webkitAccessibleTableGetColumnHeader(AtkTable* table, gint column)
{
g_return_val_if_fail(ATK_TABLE(table), 0);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(table), 0);
AccessibilityObject* accTable = core(table);
if (accTable->isAccessibilityRenderObject()) {
AccessibilityObject::AccessibilityChildrenVector allColumnHeaders;
toAccessibilityTable(accTable)->columnHeaders(allColumnHeaders);
unsigned columnCount = allColumnHeaders.size();
for (unsigned k = 0; k < columnCount; ++k) {
pair<unsigned, unsigned> columnRange;
AccessibilityTableCell* cell = toAccessibilityTableCell(allColumnHeaders.at(k).get());
cell->columnIndexRange(columnRange);
if (columnRange.first <= static_cast<unsigned>(column) && static_cast<unsigned>(column) < columnRange.first + columnRange.second)
return allColumnHeaders[k]->wrapper();
}
}
return 0;
}