AccessibilityARIAGrid.cpp [plain text]
#include "config.h"
#include "AccessibilityARIAGrid.h"
#include "AXObjectCache.h"
#include "AccessibilityTableCell.h"
#include "AccessibilityTableColumn.h"
#include "AccessibilityTableHeaderContainer.h"
#include "AccessibilityTableRow.h"
#include "RenderObject.h"
#include "RenderTableSection.h"
namespace WebCore {
AccessibilityARIAGrid::AccessibilityARIAGrid(RenderObject* renderer)
: AccessibilityTable(renderer)
{
}
AccessibilityARIAGrid::~AccessibilityARIAGrid()
{
}
PassRefPtr<AccessibilityARIAGrid> AccessibilityARIAGrid::create(RenderObject* renderer)
{
return adoptRef(new AccessibilityARIAGrid(renderer));
}
bool AccessibilityARIAGrid::addTableCellChild(AccessibilityObject* child, HashSet<AccessibilityObject*>& appendedRows, unsigned& columnCount)
{
if (!child || (!child->isTableRow() && child->ariaRoleAttribute() != RowRole))
return false;
AccessibilityTableRow* row = toAccessibilityTableRow(child);
if (appendedRows.contains(row))
return false;
unsigned rowCellCount = row->children().size();
if (rowCellCount > columnCount)
columnCount = rowCellCount;
row->setRowIndex((int)m_rows.size());
m_rows.append(row);
if (!row->accessibilityIsIgnored())
m_children.append(row);
else
m_children.appendVector(row->children());
appendedRows.add(row);
return true;
}
void AccessibilityARIAGrid::addRowDescendant(AccessibilityObject* rowChild, HashSet<AccessibilityObject*>& appendedRows, unsigned& columnCount)
{
if (!rowChild)
return;
if (!rowChild->isTableRow()) {
for (const auto& child : rowChild->children())
addRowDescendant(child.get(), appendedRows, columnCount);
} else
addTableCellChild(rowChild, appendedRows, columnCount);
}
void AccessibilityARIAGrid::addChildren()
{
ASSERT(!m_haveChildren);
if (!isAccessibilityTable()) {
AccessibilityRenderObject::addChildren();
return;
}
m_haveChildren = true;
if (!m_renderer)
return;
AXObjectCache* axCache = m_renderer->document().axObjectCache();
HashSet<AccessibilityObject*> appendedRows;
unsigned columnCount = 0;
AccessibilityChildrenVector footerSections;
for (RefPtr<AccessibilityObject> child = firstChild(); child; child = child->nextSibling()) {
bool footerSection = false;
if (RenderObject* childRenderer = child->renderer()) {
if (childRenderer->isTableSection()) {
if (RenderTableSection* childSection = toRenderTableSection(childRenderer)) {
if (childSection == childSection->table()->footer()) {
footerSections.append(child);
footerSection = true;
}
}
}
}
if (!footerSection)
addRowDescendant(child.get(), appendedRows, columnCount);
}
for (const auto& footerSection : footerSections)
addRowDescendant(footerSection.get(), appendedRows, columnCount);
for (unsigned i = 0; i < columnCount; ++i) {
AccessibilityTableColumn* column = toAccessibilityTableColumn(axCache->getOrCreate(ColumnRole));
column->setColumnIndex((int)i);
column->setParent(this);
m_columns.append(column);
if (!column->accessibilityIsIgnored())
m_children.append(column);
}
AccessibilityObject* headerContainerObject = headerContainer();
if (headerContainerObject && !headerContainerObject->accessibilityIsIgnored())
m_children.append(headerContainerObject);
}
}