void SVGUseElement::transferEventListenersToShadowTree(SVGElementInstance* target)
{
if (!target)
return;
SVGElement* originalElement = target->correspondingElement();
ASSERT(originalElement);
if (SVGElement* shadowTreeElement = target->shadowTreeElement()) {
if (EventTargetData* d = originalElement->eventTargetData()) {
EventListenerMap& map = d->eventListenerMap;
EventListenerMap::iterator end = map.end();
for (EventListenerMap::iterator it = map.begin(); it != end; ++it) {
EventListenerVector& entry = *it->second;
for (size_t i = 0; i < entry.size(); ++i) {
// Event listeners created from markup have already been transfered to the shadow tree during cloning.
if (entry[i].listener->wasCreatedFromMarkup())
continue;
shadowTreeElement->addEventListener(it->first, entry[i].listener, entry[i].useCapture);
}
}
}
}
for (SVGElementInstance* instance = target->firstChild(); instance; instance = instance->nextSibling())
transferEventListenersToShadowTree(instance);
}
