/* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann 2004, 2005, 2007 Rob Buis 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 "SVGScriptElement.h" #include "Document.h" #include "Event.h" #include "EventNames.h" #include "MappedAttribute.h" #include "SVGNames.h" namespace WebCore { SVGScriptElement::SVGScriptElement(const QualifiedName& tagName, Document* doc, bool createdByParser) : SVGElement(tagName, doc) , SVGURIReference() , SVGExternalResourcesRequired() , m_href(this, XLinkNames::hrefAttr) , m_externalResourcesRequired(this, SVGNames::externalResourcesRequiredAttr, false) , m_data(this, this) { m_data.setCreatedByParser(createdByParser); } SVGScriptElement::~SVGScriptElement() { } String SVGScriptElement::scriptContent() const { return m_data.scriptContent(); } void SVGScriptElement::parseMappedAttribute(MappedAttribute* attr) { const QualifiedName& attrName = attr->name(); if (attrName == SVGNames::typeAttr) setType(attr->value()); else { if (SVGURIReference::parseMappedAttribute(attr)) return; if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) return; SVGElement::parseMappedAttribute(attr); } } void SVGScriptElement::svgAttributeChanged(const QualifiedName& attrName) { SVGElement::svgAttributeChanged(attrName); if (SVGURIReference::isKnownAttribute(attrName)) handleSourceAttribute(m_data, href()); else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) { // Handle dynamic updates of the 'externalResourcesRequired' attribute. Only possible case: changing from 'true' to 'false' // causes an immediate dispatch of the SVGLoad event. If the attribute value was 'false' before inserting the script element // in the document, the SVGLoad event has already been dispatched. if (!externalResourcesRequiredBaseValue() && !m_data.haveFiredLoadEvent() && !m_data.createdByParser()) { m_data.setHaveFiredLoadEvent(true); ASSERT(haveLoadedRequiredResources()); sendSVGLoadEventIfPossible(); } } } void SVGScriptElement::insertedIntoDocument() { SVGElement::insertedIntoDocument(); ScriptElement::insertedIntoDocument(m_data, sourceAttributeValue()); if (m_data.createdByParser()) return; // Eventually send SVGLoad event now for the dynamically inserted script element if (!externalResourcesRequiredBaseValue()) { m_data.setHaveFiredLoadEvent(true); sendSVGLoadEventIfPossible(); } } void SVGScriptElement::removedFromDocument() { SVGElement::removedFromDocument(); ScriptElement::removedFromDocument(m_data); } void SVGScriptElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) { ScriptElement::childrenChanged(m_data); SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); } bool SVGScriptElement::isURLAttribute(Attribute* attr) const { return attr->name() == sourceAttributeValue(); } void SVGScriptElement::finishParsingChildren() { ScriptElement::finishParsingChildren(m_data, sourceAttributeValue()); SVGElement::finishParsingChildren(); // A SVGLoad event has been fired by SVGElement::finishParsingChildren. if (!externalResourcesRequiredBaseValue()) m_data.setHaveFiredLoadEvent(true); } String SVGScriptElement::type() const { return m_type; } void SVGScriptElement::setType(const String& type) { m_type = type; } String SVGScriptElement::scriptCharset() const { return m_data.scriptCharset(); } void SVGScriptElement::addSubresourceAttributeURLs(ListHashSet& urls) const { SVGElement::addSubresourceAttributeURLs(urls); addSubresourceURL(urls, document()->completeURL(href())); } bool SVGScriptElement::haveLoadedRequiredResources() { return !externalResourcesRequiredBaseValue() || m_data.haveFiredLoadEvent(); } String SVGScriptElement::sourceAttributeValue() const { return href(); } String SVGScriptElement::charsetAttributeValue() const { return String(); } String SVGScriptElement::typeAttributeValue() const { return type(); } String SVGScriptElement::languageAttributeValue() const { return String(); } String SVGScriptElement::forAttributeValue() const { return String(); } void SVGScriptElement::dispatchLoadEvent() { bool externalResourcesRequired = externalResourcesRequiredBaseValue(); if (m_data.createdByParser()) ASSERT(externalResourcesRequired != m_data.haveFiredLoadEvent()); else if (m_data.haveFiredLoadEvent()) { // If we've already fired an load event and externalResourcesRequired is set to 'true' // externalResourcesRequired has been modified while loading the