void SVGSMILElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (attrName == SVGNames::durAttr) {
m_cachedDur = invalidCachedTime;
} else if (attrName == SVGNames::repeatDurAttr) {
m_cachedRepeatDur = invalidCachedTime;
} else if (attrName == SVGNames::repeatCountAttr) {
m_cachedRepeatCount = invalidCachedTime;
} else if (attrName == SVGNames::minAttr) {
m_cachedMin = invalidCachedTime;
} else if (attrName == SVGNames::maxAttr) {
m_cachedMax = invalidCachedTime;
} else if (attrName == SVGNames::attributeNameAttr) {
setAttributeName(constructQualifiedName(this, fastGetAttribute(SVGNames::attributeNameAttr)));
} else if (attrName.matches(SVGNames::hrefAttr) || attrName.matches(XLinkNames::hrefAttr)) {
// TODO(fs): Could be smarter here when 'href' is specified and 'xlink:href' is changed.
SVGElement::InvalidationGuard invalidationGuard(this);
buildPendingResource();
if (m_targetElement)
clearAnimatedType();
} else if (attrName == SVGNames::beginAttr || attrName == SVGNames::endAttr) {
if (inDocument()) {
connectEventBaseConditions();
if (attrName == SVGNames::beginAttr)
beginListChanged(elapsed());
else if (attrName == SVGNames::endAttr)
endListChanged(elapsed());
}
} else {
SVGElement::svgAttributeChanged(attrName);
return;
}
animationAttributeChanged();
}
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();
}
