StyleSheetList* ShadowRoot::styleSheets()
{
if (!ensureShadowRootRareData()->styleSheets())
m_shadowRootRareData->setStyleSheets(StyleSheetList::create(this));
return m_shadowRootRareData->styleSheets();
}
const Vector<RefPtr<InsertionPoint> >& ShadowRoot::descendantInsertionPoints()
{
DEFINE_STATIC_LOCAL(const Vector<RefPtr<InsertionPoint> >, emptyList, ());
if (m_shadowRootRareData && m_descendantInsertionPointsIsValid)
return m_shadowRootRareData->descendantInsertionPoints();
m_descendantInsertionPointsIsValid = true;
if (!containsInsertionPoints())
return emptyList;
Vector<RefPtr<InsertionPoint> > insertionPoints;
for (Element* element = ElementTraversal::firstWithin(*this); element; element = ElementTraversal::next(*element, this)) {
if (element->isInsertionPoint())
insertionPoints.append(toInsertionPoint(element));
}
ensureShadowRootRareData()->setDescendantInsertionPoints(insertionPoints);
return m_shadowRootRareData->descendantInsertionPoints();
}
void ShadowRoot::addChildShadowRoot()
{
ensureShadowRootRareData()->didAddChildShadowRoot();
}
void ShadowRoot::didAddInsertionPoint(InsertionPoint* insertionPoint)
{
ensureShadowRootRareData()->didAddInsertionPoint(insertionPoint);
invalidateDescendantInsertionPoints();
}
void ShadowRoot::setShadowInsertionPointOfYoungerShadowRoot(PassRefPtrWillBeRawPtr<HTMLShadowElement> shadowInsertionPoint)
{
if (!m_shadowRootRareData && !shadowInsertionPoint)
return;
ensureShadowRootRareData()->setShadowInsertionPointOfYoungerShadowRoot(shadowInsertionPoint);
}
