SVGSVGElement* SVGElement::ownerSVGElement() const
{
ContainerNode* n = parentOrHostNode();
while (n) {
if (n->hasTagName(SVGNames::svgTag))
return static_cast<SVGSVGElement*>(n);
n = n->parentOrHostNode();
}
return 0;
}
SVGElement* SVGElement::viewportElement() const
{
// This function needs shadow tree support - as RenderSVGContainer uses this function
// to determine the "overflow" property. <use> on <symbol> wouldn't work otherwhise.
ContainerNode* n = parentOrHostNode();
while (n) {
if (n->hasTagName(SVGNames::svgTag) || n->hasTagName(SVGNames::imageTag) || n->hasTagName(SVGNames::symbolTag))
return static_cast<SVGElement*>(n);
n = n->parentOrHostNode();
}
return 0;
}
