mirror of
https://github.com/darlinghq/darling-WebCore.git
synced 2024-11-23 04:19:40 +00:00
140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
/*
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* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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* Copyright (C) 2018 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "SVGMPathElement.h"
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#include "Document.h"
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#include "SVGAnimateMotionElement.h"
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#include "SVGDocumentExtensions.h"
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#include "SVGNames.h"
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#include "SVGPathElement.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(SVGMPathElement);
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inline SVGMPathElement::SVGMPathElement(const QualifiedName& tagName, Document& document)
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: SVGElement(tagName, document)
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, SVGURIReference(this)
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{
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ASSERT(hasTagName(SVGNames::mpathTag));
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}
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Ref<SVGMPathElement> SVGMPathElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new SVGMPathElement(tagName, document));
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}
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SVGMPathElement::~SVGMPathElement()
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{
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clearResourceReferences();
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}
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void SVGMPathElement::buildPendingResource()
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{
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clearResourceReferences();
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if (!isConnected())
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return;
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auto target = SVGURIReference::targetElementFromIRIString(href(), treeScope());
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if (!target.element) {
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// Do not register as pending if we are already pending this resource.
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if (document().accessSVGExtensions().isPendingResource(*this, target.identifier))
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return;
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if (!target.identifier.isEmpty()) {
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document().accessSVGExtensions().addPendingResource(target.identifier, *this);
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ASSERT(hasPendingResources());
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}
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} else if (is<SVGElement>(*target.element)) {
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// Register us with the target in the dependencies map. Any change of hrefElement
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// that leads to relayout/repainting now informs us, so we can react to it.
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document().accessSVGExtensions().addElementReferencingTarget(*this, downcast<SVGElement>(*target.element));
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}
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targetPathChanged();
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}
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void SVGMPathElement::clearResourceReferences()
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{
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document().accessSVGExtensions().removeAllTargetReferencesForElement(*this);
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}
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Node::InsertedIntoAncestorResult SVGMPathElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
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{
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SVGElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
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if (insertionType.connectedToDocument)
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return InsertedIntoAncestorResult::NeedsPostInsertionCallback;
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return InsertedIntoAncestorResult::Done;
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}
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void SVGMPathElement::didFinishInsertingNode()
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{
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buildPendingResource();
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}
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void SVGMPathElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
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{
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SVGElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
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notifyParentOfPathChange(&oldParentOfRemovedTree);
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if (removalType.disconnectedFromDocument)
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clearResourceReferences();
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}
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void SVGMPathElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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SVGElement::parseAttribute(name, value);
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SVGURIReference::parseAttribute(name, value);
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}
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void SVGMPathElement::svgAttributeChanged(const QualifiedName& attrName)
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{
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if (SVGURIReference::isKnownAttribute(attrName)) {
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InstanceInvalidationGuard guard(*this);
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buildPendingResource();
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return;
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}
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SVGElement::svgAttributeChanged(attrName);
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}
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RefPtr<SVGPathElement> SVGMPathElement::pathElement()
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{
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auto target = targetElementFromIRIString(href(), treeScope());
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if (is<SVGPathElement>(target.element))
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return downcast<SVGPathElement>(target.element.get());
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return nullptr;
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}
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void SVGMPathElement::targetPathChanged()
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{
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notifyParentOfPathChange(parentNode());
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}
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void SVGMPathElement::notifyParentOfPathChange(ContainerNode* parent)
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{
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if (is<SVGAnimateMotionElement>(parent))
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downcast<SVGAnimateMotionElement>(*parent).updateAnimationPath();
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}
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} // namespace WebCore
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