diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGScriptElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGScriptElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,247 @@
+/*
+    Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2007 Rob Buis <buis@kde.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 "SVGScriptElement.h"
+
+#include "Attribute.h"
+#include "Document.h"
+#include "Event.h"
+#include "EventNames.h"
+#include "SVGNames.h"
+
+namespace WebCore {
+
+SVGScriptElement::SVGScriptElement(const QualifiedName& tagName, Document* doc, bool createdByParser)
+    : SVGElement(tagName, doc)
+    , SVGURIReference()
+    , SVGExternalResourcesRequired()
+    , m_data(this, this)
+{
+    m_data.setCreatedByParser(createdByParser);
+}
+
+SVGScriptElement::~SVGScriptElement()
+{
+}
+
+String SVGScriptElement::scriptContent() const
+{
+    return m_data.scriptContent();
+}
+
+void SVGScriptElement::parseMappedAttribute(Attribute* 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::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName()) {
+        synchronizeExternalResourcesRequired();
+        synchronizeHref();
+        return;
+    }
+
+    if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
+        synchronizeExternalResourcesRequired();
+    else if (SVGURIReference::isKnownAttribute(attrName))
+        synchronizeHref();
+}
+
+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<KURL>& 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();
+}
+
+String SVGScriptElement::eventAttributeValue() const
+{
+    return String();
+}
+
+bool SVGScriptElement::asyncAttributeValue() const
+{
+    return false;
+}
+
+bool SVGScriptElement::deferAttributeValue() const
+{
+    return false;
+}
+
+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 <script>. Don't dispatch twice.
+        if (externalResourcesRequired)
+            return;
+    }
+
+    // HTML and SVG differ completly in the 'onload' event handling of <script> elements.
+    // HTML fires the 'load' event after it sucessfully loaded a remote resource, otherwhise an error event.
+    // SVG fires the SVGLoad event immediately after parsing the <script> element, if externalResourcesRequired
+    // is set to 'false', otherwhise it dispatches the 'SVGLoad' event just after loading the remote resource.
+    if (externalResourcesRequired) {
+        ASSERT(!m_data.haveFiredLoadEvent());
+
+        // Dispatch SVGLoad event
+        m_data.setHaveFiredLoadEvent(true);
+        ASSERT(haveLoadedRequiredResources());
+
+        sendSVGLoadEventIfPossible();
+    }
+}
+
+void SVGScriptElement::dispatchErrorEvent()
+{
+    dispatchEvent(Event::create(eventNames().errorEvent, true, false));
+}
+
+}
+
+#endif // ENABLE(SVG)