void SVGUseElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledTransformableElement::svgAttributeChanged(attrName);
bool isXYAttribute = attrName == SVGNames::xAttr || attrName == SVGNames::yAttr;
bool isWidthHeightAttribute = attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr;
if (isXYAttribute || isWidthHeightAttribute)
updateRelativeLengthsInformation();
if (SVGTests::handleAttributeChange(this, attrName))
return;
RenderObject* object = renderer();
if (!object)
return;
if (SVGURIReference::isKnownAttribute(attrName)) {
if (hasPendingResources()) {
OwnPtr<SVGDocumentExtensions::SVGPendingElements> clients(document()->accessSVGExtensions()->removePendingResource(m_resourceId));
ASSERT(!clients->isEmpty());
const SVGDocumentExtensions::SVGPendingElements::const_iterator end = clients->end();
for (SVGDocumentExtensions::SVGPendingElements::const_iterator it = clients->begin(); it != end; ++it) {
ASSERT((*it)->hasPendingResources());
(*it)->setHasPendingResources(false);
}
m_resourceId = String();
setHasPendingResources(false);
}
invalidateShadowTree();
return;
}
if (isXYAttribute) {
updateContainerOffsets();
return;
}
if (isWidthHeightAttribute) {
updateContainerSizes();
return;
}
// Be very careful here, if svgAttributeChanged() has been called because a SVG CSS property changed, we do NOT want to reclone the tree!
if (SVGStyledElement::isKnownAttribute(attrName)) {
setNeedsStyleRecalc();
return;
}
if (SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName))
invalidateShadowTree();
}
void SVGUseElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledTransformableElement::svgAttributeChanged(attrName);
bool isXYAttribute = attrName == SVGNames::xAttr || attrName == SVGNames::yAttr;
bool isWidthHeightAttribute = attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr;
if (isXYAttribute || isWidthHeightAttribute)
updateRelativeLengthsInformation();
if (SVGTests::handleAttributeChange(this, attrName))
return;
RenderObject* object = renderer();
if (!object)
return;
if (SVGURIReference::isKnownAttribute(attrName)) {
if (m_isPendingResource) {
document()->accessSVGExtensions()->removePendingResource(m_resourceId);
m_resourceId = String();
m_isPendingResource = false;
}
invalidateShadowTree();
return;
}
if (isXYAttribute) {
updateContainerOffsets();
return;
}
if (isWidthHeightAttribute) {
updateContainerSizes();
return;
}
// Be very careful here, if svgAttributeChanged() has been called because a SVG CSS property changed, we do NOT want to reclone the tree!
if (SVGStyledElement::isKnownAttribute(attrName)) {
setNeedsStyleRecalc();
return;
}
if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
object->setNeedsTransformUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(object);
return;
}
if (SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName))
invalidateShadowTree();
}
void SVGUseElement::svgAttributeChanged(const QualifiedName& attrName) {
if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr ||
attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr) {
SVGElement::InvalidationGuard invalidationGuard(this);
if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr) {
invalidateSVGPresentationAttributeStyle();
setNeedsStyleRecalc(LocalStyleChange,
StyleChangeReasonForTracing::fromAttribute(attrName));
}
updateRelativeLengthsInformation();
if (m_targetElementInstance) {
ASSERT(m_targetElementInstance->correspondingElement());
transferUseWidthAndHeightIfNeeded(
*this, *m_targetElementInstance,
*m_targetElementInstance->correspondingElement());
}
LayoutObject* object = this->layoutObject();
if (object)
markForLayoutAndParentResourceInvalidation(object);
return;
}
if (SVGURIReference::isKnownAttribute(attrName)) {
SVGElement::InvalidationGuard invalidationGuard(this);
updateTargetReference();
invalidateShadowTree();
return;
}
SVGGraphicsElement::svgAttributeChanged(attrName);
}
void SVGUseElement::buildPendingResource()
{
// If we're called the first time (during shadow tree root creation from RenderSVGShadowTreeRootContainer)
// we either determine that our target is available or not - then we add ourselves to the pending resource list
// Once the pending resource appears, it will call buildPendingResource(), so we're called a second time.
String id = SVGURIReference::getTarget(href());
Element* targetElement = document()->getElementById(id);
ASSERT(!m_targetElementInstance);
if (!targetElement) {
if (m_isPendingResource || id.isEmpty())
return;
m_isPendingResource = true;
m_resourceId = id;
document()->accessSVGExtensions()->addPendingResource(id, this);
return;
}
if (m_isPendingResource) {
ASSERT(!m_targetElementInstance);
m_isPendingResource = false;
invalidateShadowTree();
}
}
void SVGUseElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledTransformableElement::svgAttributeChanged(attrName);
if (!renderer())
return;
if (SVGURIReference::isKnownAttribute(attrName)) {
if (m_isPendingResource) {
document()->accessSVGExtensions()->removePendingResource(m_resourceId);
m_resourceId = String();
m_isPendingResource = false;
}
invalidateShadowTree();
return;
}
if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr) {
updateContainerOffsets();
return;
}
if (attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr) {
updateContainerSizes();
return;
}
// Be very careful here, if svgAttributeChanged() has been called because a SVG CSS property changed, we do NOT want to reclone the tree!
if (SVGStyledElement::isKnownAttribute(attrName)) {
setNeedsStyleRecalc();
return;
}
if (SVGStyledTransformableElement::isKnownAttribute(attrName)) {
renderer()->setNeedsTransformUpdate();
renderer()->setNeedsLayout(true);
return;
}
if (SVGTests::isKnownAttribute(attrName)
|| SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName))
invalidateShadowTree();
}
Node::InsertionNotificationRequest SVGUseElement::insertedInto(ContainerNode* rootParent)
{
// This functions exists to assure assumptions made in the code regarding SVGElementInstance creation/destruction are satisfied.
SVGGraphicsElement::insertedInto(rootParent);
if (!rootParent->inDocument())
return InsertionDone;
ASSERT(!m_targetElementInstance || !isWellFormedDocument(&document()));
ASSERT(!hasPendingResources() || !isWellFormedDocument(&document()));
invalidateShadowTree();
return InsertionDone;
}
void SVGUseElement::notifyFinished(CachedResource* resource)
{
if (!inDocument())
return;
invalidateShadowTree();
if (resource->errorOccurred())
dispatchEvent(Event::create(eventNames().errorEvent, false, false));
else if (!resource->wasCanceled())
SVGExternalResourcesRequired::dispatchLoadEvent(this);
}
void SVGUseElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
auto renderer = this->renderer();
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr) {
updateRelativeLengthsInformation();
if (renderer)
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
if (SVGExternalResourcesRequired::handleAttributeChange(this, attrName))
return;
if (SVGURIReference::isKnownAttribute(attrName)) {
bool isExternalReference = isExternalURIReference(href(), document());
if (isExternalReference) {
URL url = document().completeURL(href());
if (url.hasFragmentIdentifier()) {
CachedResourceRequest request(ResourceRequest(url.string()));
request.setInitiator(this);
setCachedDocument(document().cachedResourceLoader()->requestSVGDocument(request));
}
} else
setCachedDocument(0);
if (!m_wasInsertedByParser)
buildPendingResource();
return;
}
if (SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
invalidateShadowTree();
return;
}
ASSERT_NOT_REACHED();
}
void SVGUseElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr) {
SVGElement::InvalidationGuard invalidationGuard(this);
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr) {
invalidateSVGPresentationAttributeStyle();
setNeedsStyleRecalc(LocalStyleChange,
StyleChangeReasonForTracing::fromAttribute(attrName));
}
updateRelativeLengthsInformation();
if (m_targetElementInstance) {
ASSERT(m_targetElementInstance->correspondingElement());
transferUseWidthAndHeightIfNeeded(*this, m_targetElementInstance.get(), *m_targetElementInstance->correspondingElement());
}
LayoutObject* object = this->layoutObject();
if (object)
markForLayoutAndParentResourceInvalidation(object);
return;
}
if (SVGURIReference::isKnownAttribute(attrName)) {
SVGElement::InvalidationGuard invalidationGuard(this);
if (isStructurallyExternal()) {
KURL url = document().completeURL(hrefString());
const KURL& existingURL = m_resource ? m_resource->url() : KURL();
if (url.hasFragmentIdentifier() && !equalIgnoringFragmentIdentifier(url, existingURL)) {
FetchRequest request(ResourceRequest(url), localName());
setDocumentResource(DocumentResource::fetchSVGDocument(request, document().fetcher()));
}
} else {
setDocumentResource(nullptr);
}
invalidateShadowTree();
return;
}
SVGGraphicsElement::svgAttributeChanged(attrName);
}
void SVGUseElement::notifyFinished(Resource* resource)
{
if (!inDocument())
return;
invalidateShadowTree();
if (resource->errorOccurred()) {
dispatchEvent(Event::create(EventTypeNames::error));
} else if (!resource->wasCanceled()) {
if (m_haveFiredLoadEvent)
return;
if (!isStructurallyExternal())
return;
ASSERT(!m_haveFiredLoadEvent);
m_haveFiredLoadEvent = true;
svgUseLoadEventSender().dispatchEventSoon(this);
}
}