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/*
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
*
* 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"
#if ENABLE(SVG)
#include "SVGMPathElement.h"
#include "Document.h"
#include "SVGAnimateMotionElement.h"
#include "SVGDocumentExtensions.h"
#include "SVGNames.h"
#include "SVGPathElement.h"
#include "XLinkNames.h"
namespace WebCore {
// Animated property definitions
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();
}
PassRefPtr<SVGMPathElement> SVGMPathElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGMPathElement(tagName, document));
}
SVGMPathElement::~SVGMPathElement()
{
clearResourceReferences();
}
void SVGMPathElement::buildPendingResource()
{
clearResourceReferences();
if (!inDocument())
return;
String id;
Element* target = SVGURIReference::targetElementFromIRIString(href(), document(), &id);
if (!target) {
// 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 if (target->isSVGElement()) {
// 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.
document()->accessSVGExtensions()->addElementReferencingTarget(this, toSVGElement(target));
}
targetPathChanged();
}
void SVGMPathElement::clearResourceReferences()
{
ASSERT(document());
document()->accessSVGExtensions()->removeAllTargetReferencesForElement(this);
}
Node::InsertionNotificationRequest SVGMPathElement::insertedInto(ContainerNode* rootParent)
{
SVGElement::insertedInto(rootParent);
if (rootParent->inDocument())
buildPendingResource();
return InsertionDone;
}
void SVGMPathElement::removedFrom(ContainerNode* rootParent)
{
SVGElement::removedFrom(rootParent);
notifyParentOfPathChange(rootParent);
if (rootParent->inDocument())
clearResourceReferences();
}
bool SVGMPathElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
SVGURIReference::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGMPathElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGElement::parseAttribute(name, value);
return;
}
if (SVGURIReference::parseAttribute(name, value))
return;
if (SVGExternalResourcesRequired::parseAttribute(name, value))
return;
ASSERT_NOT_REACHED();
}
void SVGMPathElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
if (SVGURIReference::isKnownAttribute(attrName)) {
buildPendingResource();
return;
}
if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
return;
ASSERT_NOT_REACHED();
}
SVGPathElement* SVGMPathElement::pathElement()
{
Element* target = targetElementFromIRIString(href(), document());
if (target && target->hasTagName(SVGNames::pathTag))
return toSVGPathElement(target);
return 0;
}
void SVGMPathElement::targetPathChanged()
{
notifyParentOfPathChange(parentNode());
}
void SVGMPathElement::notifyParentOfPathChange(ContainerNode* parent)
{
if (parent && parent->hasTagName(SVGNames::animateMotionTag))
static_cast<SVGAnimateMotionElement*>(parent)->updateAnimationPath();
}
} // namespace WebCore
#endif // ENABLE(SVG)
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