// getElementById on SVGSVGElement is restricted to only the child subtree defined by the <svg> element.
// See http://www.w3.org/TR/SVG11/struct.html#InterfaceSVGSVGElement
Element* SVGSVGElement::getElementById(const AtomicString& id) const
{
Element* element = document()->getElementById(id);
if (element && element->isDescendantOf(this))
return element;
// Fall back to traversing our subtree. Duplicate ids are allowed, the first found will
// be returned.
for (Node* node = traverseNextNode(this); node; node = node->traverseNextNode(this)) {
if (!node->isElementNode())
continue;
Element* element = static_cast<Element*>(node);
if (element->hasID() && element->getIdAttribute() == id)
return element;
}
return 0;
}
PassRefPtr<NodeList> SVGSVGElement::collectIntersectionOrEnclosureList(const FloatRect& rect, SVGElement* referenceElement, CollectIntersectionOrEnclosure collect) const
{
Vector<RefPtr<Node> > nodes;
Node* node = traverseNextNode(referenceElement ? referenceElement : this);
while (node) {
if (node->isSVGElement()) {
if (collect == CollectIntersectionList) {
if (checkIntersection(static_cast<SVGElement*>(node), rect))
nodes.append(node);
} else {
if (checkEnclosure(static_cast<SVGElement*>(node), rect))
nodes.append(node);
}
}
node = node->traverseNextNode(referenceElement ? referenceElement : this);
}
return StaticNodeList::adopt(nodes);
}