void SVGSMILElement::buildPendingResource() {
clearResourceAndEventBaseReferences();
if (!isConnected()) {
// Reset the target element if we are no longer in the document.
setTargetElement(nullptr);
return;
}
AtomicString id;
const AtomicString& href = SVGURIReference::legacyHrefString(*this);
Element* target;
if (href.isEmpty())
target = parentNode() && parentNode()->isElementNode()
? toElement(parentNode())
: nullptr;
else
target =
SVGURIReference::targetElementFromIRIString(href, treeScope(), &id);
SVGElement* svgTarget =
target && target->isSVGElement() ? toSVGElement(target) : nullptr;
if (svgTarget && !svgTarget->isConnected())
svgTarget = nullptr;
if (svgTarget != targetElement())
setTargetElement(svgTarget);
if (!svgTarget) {
// Do not register as pending if we are already pending this resource.
if (document().accessSVGExtensions().isElementPendingResource(this, id))
return;
if (!id.isEmpty()) {
document().accessSVGExtensions().addPendingResource(id, this);
ASSERT(hasPendingResources());
}
} else {
// Register us with the target in the dependencies map. Any change of
// hrefElement that leads to relayout/repainting now informs us, so we can
// react to it.
addReferenceTo(svgTarget);
}
connectEventBaseConditions();
}
void SVGSMILElement::removedFrom(ContainerNode* rootParent) {
if (rootParent->isConnected()) {
clearResourceAndEventBaseReferences();
clearConditions();
setTargetElement(nullptr);
setAttributeName(anyQName());
animationAttributeChanged();
m_timeContainer = nullptr;
}
SVGElement::removedFrom(rootParent);
}
void SVGSMILElement::buildPendingResource()
{
clearResourceReferences();
if (!inDocument()) {
// Reset the target element if we are no longer in the document.
setTargetElement(0);
return;
}
String id;
String href = getAttribute(XLinkNames::hrefAttr);
Element* target;
if (href.isEmpty())
target = parentNode() && parentNode()->isElementNode() ? toElement(parentNode()) : 0;
else
target = SVGURIReference::targetElementFromIRIString(href, document(), &id);
SVGElement* svgTarget = target && target->isSVGElement() ? toSVGElement(target) : 0;
if (svgTarget && !svgTarget->inDocument())
svgTarget = 0;
if (svgTarget != targetElement())
setTargetElement(svgTarget);
if (!svgTarget) {
// Do not register as pending if we are already pending this resource.
if (document().accessSVGExtensions()->isElementPendingResource(this, id))
return;
if (!id.isEmpty()) {
document().accessSVGExtensions()->addPendingResource(id, this);
ASSERT(hasPendingResources());
}
} else {
// Register us with the target in the dependencies map. Any change of hrefElement
// that leads to relayout/repainting now informs us, so we can react to it.
document().accessSVGExtensions()->addElementReferencingTarget(this, svgTarget);
}
}
void SVGSMILElement::removedFrom(ContainerNode& rootParent)
{
if (rootParent.inDocument()) {
clearResourceReferences();
disconnectConditions();
setTargetElement(0);
setAttributeName(anyQName());
animationAttributeChanged();
m_timeContainer = 0;
}
SVGElement::removedFrom(rootParent);
}
void SVGSMILElement::clearTarget()
{
setTargetElement(nullptr);
}