void AccessibilityTableCell::rowIndexRange(std::pair<unsigned, unsigned>& rowRange)
{
if (!m_renderer || !m_renderer->isTableCell())
return;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
rowRange.first = renderCell->rowIndex();
rowRange.second = renderCell->rowSpan();
// since our table might have multiple sections, we have to offset our row appropriately
RenderTableSection* section = renderCell->section();
RenderTable* table = renderCell->table();
if (!table || !section)
return;
RenderTableSection* tableSection = table->topSection();
unsigned rowOffset = 0;
while (tableSection) {
if (tableSection == section)
break;
rowOffset += tableSection->numRows();
tableSection = table->sectionBelow(tableSection, SkipEmptySections);
}
rowRange.first += rowOffset;
}
void AccessibilityTableCell::rowIndexRange(pair<int, int>& rowRange)
{
if (!m_renderer || !m_renderer->isTableCell())
return;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
rowRange.first = renderCell->rowIndex();
rowRange.second = renderCell->rowSpan();
// since our table might have multiple sections, we have to offset our row appropriately
RenderTableSection* section = renderCell->section();
RenderTable* table = renderCell->table();
if (!table || !section)
return;
// FIXME: This will skip a table with just a tfoot. Should fix by using RenderTable::topSection.
RenderTableSection* tableSection = table->header();
if (!tableSection)
tableSection = table->firstBody();
unsigned rowOffset = 0;
while (tableSection) {
if (tableSection == section)
break;
rowOffset += tableSection->numRows();
tableSection = table->sectionBelow(tableSection, SkipEmptySections);
}
rowRange.first += rowOffset;
}
void AccessibilityTableCell::rowIndexRange(pair<int, int>& rowRange)
{
if (!m_renderer)
return;
RenderTableCell* renderCell = static_cast<RenderTableCell*>(m_renderer);
rowRange.first = renderCell->row();
rowRange.second = renderCell->rowSpan();
// since our table might have multiple sections, we have to offset our row appropriately
RenderTableSection* section = renderCell->section();
RenderTable* table = renderCell->table();
if (!table || !section)
return;
RenderTableSection* tableSection = table->header();
if (!tableSection)
tableSection = table->firstBody();
unsigned rowOffset = 0;
while (tableSection) {
if (tableSection == section)
break;
rowOffset += tableSection->numRows();
tableSection = table->sectionBelow(tableSection, true);
}
rowRange.first += rowOffset;
}
AccessibilityObject* AccessibilityTableCell::titleUIElement() const
{
// Try to find if the first cell in this row is a <th>. If it is,
// then it can act as the title ui element. (This is only in the
// case when the table is not appearing as an AXTable.)
if (!m_renderer || isTableCell())
return 0;
RenderTableCell* renderCell = static_cast<RenderTableCell*>(m_renderer);
// If this cell is in the first column, there is no need to continue.
int col = renderCell->col();
if (!col)
return 0;
int row = renderCell->row();
RenderTableSection* section = renderCell->section();
if (!section)
return 0;
RenderTableCell* headerCell = section->cellAt(row, 0).cell;
if (!headerCell || headerCell == renderCell)
return 0;
Node* cellElement = headerCell->element();
if (!cellElement || !cellElement->hasTagName(thTag))
return 0;
return axObjectCache()->get(headerCell);
}
void AccessibilityTableCell::rowIndexRange(std::pair<unsigned, unsigned>& rowRange)
{
if (!m_renderer || !m_renderer->isTableCell())
return;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
rowRange.first = renderCell->rowIndex();
rowRange.second = renderCell->rowSpan();
// since our table might have multiple sections, we have to offset our row appropriately
RenderTableSection* section = renderCell->section();
RenderTable* table = renderCell->table();
if (!table || !section)
return;
RenderTableSection* footerSection = table->footer();
unsigned rowOffset = 0;
for (RenderTableSection* tableSection = table->topSection(); tableSection; tableSection = table->sectionBelow(tableSection, SkipEmptySections)) {
// Don't add row offsets for bottom sections that are placed in before the body section.
if (tableSection == footerSection)
continue;
if (tableSection == section)
break;
rowOffset += tableSection->numRows();
}
rowRange.first += rowOffset;
}
AccessibilityObject* AccessibilityTableCell::titleUIElement() const
{
// Try to find if the first cell in this row is a <th>. If it is,
// then it can act as the title ui element. (This is only in the
// case when the table is not appearing as an AXTable.)
if (isTableCell() || !m_renderer || !m_renderer->isTableCell())
return 0;
// Table cells that are th cannot have title ui elements, since by definition
// they are title ui elements
Node* node = m_renderer->node();
if (node && node->hasTagName(thTag))
return 0;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
// If this cell is in the first column, there is no need to continue.
int col = renderCell->col();
if (!col)
return 0;
int row = renderCell->rowIndex();
RenderTableSection* section = renderCell->section();
if (!section)
return 0;
RenderTableCell* headerCell = section->primaryCellAt(row, 0);
if (!headerCell || headerCell == renderCell)
return 0;
Node* cellElement = headerCell->node();
if (!cellElement || !cellElement->hasTagName(thTag))
return 0;
return axObjectCache()->getOrCreate(headerCell);
}
CollapsedBorderValue RenderTableCell::collapsedBeforeBorder() const
{
RenderTable* table = this->table();
// For before border, we need to check, in order of precedence:
// (1) Our before border.
int before = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderBeforeColor, table->style()->direction(), table->style()->writingMode());
int after = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderAfterColor, table->style()->direction(), table->style()->writingMode());
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderBefore(), style()->visitedDependentColor(before), BCELL);
RenderTableCell* prevCell = table->cellAbove(this);
if (prevCell) {
// (2) A before cell's after border.
result = chooseBorder(CollapsedBorderValue(&prevCell->style()->borderAfter(), prevCell->style()->visitedDependentColor(after), BCELL), result);
if (!result.exists())
return result;
}
// (3) Our row's before border.
result = chooseBorder(result, CollapsedBorderValue(&parent()->style()->borderBefore(), parent()->style()->visitedDependentColor(before), BROW));
if (!result.exists())
return result;
// (4) The previous row's after border.
if (prevCell) {
RenderObject* prevRow = 0;
if (prevCell->section() == section())
prevRow = parent()->previousSibling();
else
prevRow = prevCell->section()->lastChild();
if (prevRow) {
result = chooseBorder(CollapsedBorderValue(&prevRow->style()->borderAfter(), prevRow->style()->visitedDependentColor(after), BROW), result);
if (!result.exists())
return result;
}
}
// Now check row groups.
RenderTableSection* currSection = section();
if (!row()) {
// (5) Our row group's before border.
result = chooseBorder(result, CollapsedBorderValue(&currSection->style()->borderBefore(), currSection->style()->visitedDependentColor(before), BROWGROUP));
if (!result.exists())
return result;
// (6) Previous row group's after border.
currSection = table->sectionAbove(currSection);
if (currSection) {
result = chooseBorder(CollapsedBorderValue(&currSection->style()->borderAfter(), currSection->style()->visitedDependentColor(after), BROWGROUP), result);
if (!result.exists())
return result;
}
}
if (!currSection) {
// (8) Our column and column group's before borders.
RenderTableCol* colElt = table->colElement(col());
if (colElt) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->style()->borderBefore(), colElt->style()->visitedDependentColor(before), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol()) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->parent()->style()->borderBefore(), colElt->parent()->style()->visitedDependentColor(before), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (9) The table's before border.
result = chooseBorder(result, CollapsedBorderValue(&table->style()->borderBefore(), table->style()->visitedDependentColor(before), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedTopBorder() const
{
// For border top, we need to check, in order of precedence:
// (1) Our top border.
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderTop(), BCELL);
RenderTableCell* prevCell = table()->cellAbove(this);
if (prevCell) {
// (2) A previous cell's bottom border.
result = compareBorders(CollapsedBorderValue(&prevCell->style()->borderBottom(), BCELL), result);
if (!result.exists())
return result;
}
// (3) Our row's top border.
result = compareBorders(result, CollapsedBorderValue(&parent()->style()->borderTop(), BROW));
if (!result.exists())
return result;
// (4) The previous row's bottom border.
if (prevCell) {
RenderObject* prevRow = 0;
if (prevCell->section() == section())
prevRow = parent()->previousSibling();
else
prevRow = prevCell->section()->lastChild();
if (prevRow) {
result = compareBorders(CollapsedBorderValue(&prevRow->style()->borderBottom(), BROW), result);
if (!result.exists())
return result;
}
}
// Now check row groups.
RenderTableSection* currSection = section();
if (!row()) {
// (5) Our row group's top border.
result = compareBorders(result, CollapsedBorderValue(&currSection->style()->borderTop(), BROWGROUP));
if (!result.exists())
return result;
// (6) Previous row group's bottom border.
currSection = table()->sectionAbove(currSection);
if (currSection) {
result = compareBorders(CollapsedBorderValue(&currSection->style()->borderBottom(), BROWGROUP), result);
if (!result.exists())
return result;
}
}
if (!currSection) {
// (8) Our column and column group's top borders.
RenderTableCol* colElt = table()->colElement(col());
if (colElt) {
result = compareBorders(result, CollapsedBorderValue(&colElt->style()->borderTop(), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol()) {
result = compareBorders(result, CollapsedBorderValue(&colElt->parent()->style()->borderTop(), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (9) The table's top border.
result = compareBorders(result, CollapsedBorderValue(&table()->style()->borderTop(), BTABLE));
if (!result.exists())
return result;
}
return result;
}