Track whether an element was inserted via document.write

third_party/WebKit/Source/core/svg/SVGScriptElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 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 "core/svg/SVGScriptElement.h"
 
 #include "bindings/core/v8/ScriptEventListener.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Attribute.h"
-#include "core/dom/ScriptLoader.h"
 #include "core/dom/ScriptRunner.h"
 #include "core/events/Event.h"
 
 namespace blink {
 
-inline SVGScriptElement::SVGScriptElement(Document& document, bool wasInsertedByParser, bool alreadyStarted)
+inline SVGScriptElement::SVGScriptElement(Document& document, int constructionContextFlags)
     : SVGElement(SVGNames::scriptTag, document)
     , SVGURIReference(this)
-    , m_loader(ScriptLoader::create(this, wasInsertedByParser, alreadyStarted))
+    , m_loader(ScriptLoader::create(this, constructionContextFlags))
 {
 }
 
-SVGScriptElement* SVGScriptElement::create(Document& document, bool insertedByParser)
+SVGScriptElement* SVGScriptElement::create(Document& document, int constructionContextFlags)
 {
-    return new SVGScriptElement(document, insertedByParser, false);
+    return new SVGScriptElement(document, constructionContextFlags);
 }
 
 void SVGScriptElement::parseAttribute(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& value)
 {
     if (name == HTMLNames::onerrorAttr)
         setAttributeEventListener(EventTypeNames::error, createAttributeEventListener(this, name, value, eventParameterName()));
     else
         SVGElement::parseAttribute(name, oldValue, value);
 }
 
@@ skipping 90 matching lines @@
     return false;
 }
 
 bool SVGScriptElement::hasSourceAttribute() const
 {
     return href()->isSpecified();
 }
 
 RawPtr<Element> SVGScriptElement::cloneElementWithoutAttributesAndChildren()
 {
-    return new SVGScriptElement(document(), false, m_loader->alreadyStarted());
+    int constructionContextFlags = m_loader->alreadyStarted() ? AlreadyStarted : DefaultContext;
+    return new SVGScriptElement(document(), constructionContextFlags);
 }
 
 void SVGScriptElement::dispatchLoadEvent()
 {
     dispatchEvent(Event::create(EventTypeNames::load));
 }
 
 #if ENABLE(ASSERT)
 bool SVGScriptElement::isAnimatableAttribute(const QualifiedName& name) const
 {
     if (name == SVGNames::typeAttr)
         return false;
 
     return SVGElement::isAnimatableAttribute(name);
 }
 #endif
 
 DEFINE_TRACE(SVGScriptElement)
 {
     visitor->trace(m_loader);
     SVGElement::trace(visitor);
     SVGURIReference::trace(visitor);
 }
 
 } // namespace blink