SVGMPathElement.cpp [plain text]
#include "config.h"
#include "SVGMPathElement.h"
#include "Document.h"
#include "SVGAnimateMotionElement.h"
#include "SVGDocumentExtensions.h"
#include "SVGNames.h"
#include "SVGPathElement.h"
#include "XLinkNames.h"
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGMPathElement);
DEFINE_ANIMATED_STRING(SVGMPathElement, XLinkNames::hrefAttr, Href, href)
DEFINE_ANIMATED_BOOLEAN(SVGMPathElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGMPathElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(href)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGMPathElement::SVGMPathElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
{
ASSERT(hasTagName(SVGNames::mpathTag));
registerAnimatedPropertiesForSVGMPathElement();
}
Ref<SVGMPathElement> SVGMPathElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGMPathElement(tagName, document));
}
SVGMPathElement::~SVGMPathElement()
{
clearResourceReferences();
}
void SVGMPathElement::buildPendingResource()
{
clearResourceReferences();
if (!isConnected())
return;
String id;
auto target = makeRefPtr(SVGURIReference::targetElementFromIRIString(href(), document(), &id));
if (!target) {
if (document().accessSVGExtensions().isPendingResource(this, id))
return;
if (!id.isEmpty()) {
document().accessSVGExtensions().addPendingResource(id, this);
ASSERT(hasPendingResources());
}
} else if (target->isSVGElement()) {
document().accessSVGExtensions().addElementReferencingTarget(this, downcast<SVGElement>(target.get()));
}
targetPathChanged();
}
void SVGMPathElement::clearResourceReferences()
{
document().accessSVGExtensions().removeAllTargetReferencesForElement(this);
}
Node::InsertedIntoAncestorResult SVGMPathElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
{
SVGElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
if (insertionType.connectedToDocument)
return InsertedIntoAncestorResult::NeedsPostInsertionCallback;
return InsertedIntoAncestorResult::Done;
}
void SVGMPathElement::didFinishInsertingNode()
{
buildPendingResource();
}
void SVGMPathElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
{
SVGElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
notifyParentOfPathChange(&oldParentOfRemovedTree);
if (removalType.disconnectedFromDocument)
clearResourceReferences();
}
void SVGMPathElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGElement::parseAttribute(name, value);
SVGURIReference::parseAttribute(name, value);
SVGExternalResourcesRequired::parseAttribute(name, value);
}
void SVGMPathElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (SVGURIReference::isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
buildPendingResource();
return;
}
SVGElement::svgAttributeChanged(attrName);
}
RefPtr<SVGPathElement> SVGMPathElement::pathElement()
{
Element* target = targetElementFromIRIString(href(), document());
if (is<SVGPathElement>(target))
return downcast<SVGPathElement>(target);
return nullptr;
}
void SVGMPathElement::targetPathChanged()
{
notifyParentOfPathChange(parentNode());
}
void SVGMPathElement::notifyParentOfPathChange(ContainerNode* parent)
{
if (is<SVGAnimateMotionElement>(parent))
downcast<SVGAnimateMotionElement>(*parent).updateAnimationPath();
}
}