blob: 4f1a04e81c047807f9d1488f5c2484a8135ae7dd [file] [log] [blame]
/*
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "SVGMPathElement.h"
#include "Document.h"
#include "SVGAnimateMotionElement.h"
#include "SVGDocumentExtensions.h"
#include "SVGElementTypeHelpers.h"
#include "SVGNames.h"
#include "SVGPathElement.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGMPathElement);
inline SVGMPathElement::SVGMPathElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, SVGURIReference(this)
{
ASSERT(hasTagName(SVGNames::mpathTag));
}
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;
auto target = SVGURIReference::targetElementFromIRIString(href(), treeScope());
if (!target.element) {
// Do not register as pending if we are already pending this resource.
if (document().accessSVGExtensions().isPendingResource(*this, target.identifier))
return;
if (!target.identifier.isEmpty()) {
document().accessSVGExtensions().addPendingResource(target.identifier, *this);
ASSERT(hasPendingResources());
}
} else if (is<SVGElement>(*target.element))
downcast<SVGElement>(*target.element).addReferencingElement(*this);
targetPathChanged();
}
void SVGMPathElement::clearResourceReferences()
{
removeElementReference();
}
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 AtomString& value)
{
SVGElement::parseAttribute(name, value);
SVGURIReference::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()
{
auto target = targetElementFromIRIString(href(), treeScope());
if (is<SVGPathElement>(target.element))
return downcast<SVGPathElement>(target.element.get());
return nullptr;
}
void SVGMPathElement::targetPathChanged()
{
notifyParentOfPathChange(parentNode());
}
void SVGMPathElement::notifyParentOfPathChange(ContainerNode* parent)
{
if (is<SVGAnimateMotionElement>(parent))
downcast<SVGAnimateMotionElement>(*parent).updateAnimationPath();
}
} // namespace WebCore