blob: f49038b7299ffecbb736aba5c17ef3faa1f3a839 [file] [log] [blame]
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* 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"
#include "HTMLScriptElement.h"
#include "Attribute.h"
#include "Document.h"
#include "Event.h"
#include "EventNames.h"
#include "HTMLNames.h"
#include "ScriptEventListener.h"
#include "Settings.h"
#include "Text.h"
namespace WebCore {
using namespace HTMLNames;
inline HTMLScriptElement::HTMLScriptElement(const QualifiedName& tagName, Document* document, bool wasInsertedByParser, bool alreadyStarted)
: HTMLElement(tagName, document)
, ScriptElement(this, wasInsertedByParser, alreadyStarted)
{
ASSERT(hasTagName(scriptTag));
}
PassRefPtr<HTMLScriptElement> HTMLScriptElement::create(const QualifiedName& tagName, Document* document, bool wasInsertedByParser)
{
return adoptRef(new HTMLScriptElement(tagName, document, wasInsertedByParser, false));
}
bool HTMLScriptElement::isURLAttribute(Attribute* attr) const
{
return attr->name() == srcAttr;
}
void HTMLScriptElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
ScriptElement::childrenChanged();
HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
}
void HTMLScriptElement::attributeChanged(Attribute* attr, bool preserveDecls)
{
if (attr->name() == asyncAttr)
handleAsyncAttribute();
HTMLElement::attributeChanged(attr, preserveDecls);
}
void HTMLScriptElement::parseMappedAttribute(Attribute* attr)
{
const QualifiedName& attrName = attr->name();
if (attrName == srcAttr)
handleSourceAttribute(attr->value());
else if (attrName == onloadAttr)
setAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(this, attr));
else if (attrName == onbeforeloadAttr)
setAttributeEventListener(eventNames().beforeloadEvent, createAttributeEventListener(this, attr));
else if (attrName == onbeforeprocessAttr)
setAttributeEventListener(eventNames().beforeprocessEvent, createAttributeEventListener(this, attr));
else
HTMLElement::parseMappedAttribute(attr);
}
static bool needsOldRequirejsQuirk(HTMLScriptElement* element)
{
if (element->fastGetAttribute(typeAttr) != "script/cache")
return false;
Document* document = element->document();
const KURL& url = document->url();
if (!equalIgnoringCase(url.host(), "www.zipcar.com"))
return false;
Settings* settings = document->settings();
if (!settings)
return false;
if (!settings->needsSiteSpecificQuirks())
return false;
return true;
}
void HTMLScriptElement::insertedIntoDocument()
{
if (needsOldRequirejsQuirk(this)) {
if (!asyncAttributeValue())
handleAsyncAttribute(); // Clear forceAsync, so this script loads in parallel, but executes in order.
setAttribute(typeAttr, "text/javascript");
}
HTMLElement::insertedIntoDocument();
ScriptElement::insertedIntoDocument();
}
void HTMLScriptElement::removedFromDocument()
{
HTMLElement::removedFromDocument();
ScriptElement::removedFromDocument();
}
void HTMLScriptElement::setText(const String &value)
{
ExceptionCode ec = 0;
int numChildren = childNodeCount();
if (numChildren == 1 && firstChild()->isTextNode()) {
static_cast<Text*>(firstChild())->setData(value, ec);
return;
}
if (numChildren > 0)
removeChildren();
appendChild(document()->createTextNode(value.impl()), ec);
}
void HTMLScriptElement::setAsync(bool async)
{
setBooleanAttribute(asyncAttr, async);
handleAsyncAttribute();
}
bool HTMLScriptElement::async() const
{
return fastHasAttribute(asyncAttr) || forceAsync();
}
KURL HTMLScriptElement::src() const
{
return document()->completeURL(sourceAttributeValue());
}
void HTMLScriptElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
{
HTMLElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, src());
}
String HTMLScriptElement::sourceAttributeValue() const
{
return getAttribute(srcAttr).string();
}
String HTMLScriptElement::charsetAttributeValue() const
{
return getAttribute(charsetAttr).string();
}
String HTMLScriptElement::typeAttributeValue() const
{
return getAttribute(typeAttr).string();
}
String HTMLScriptElement::languageAttributeValue() const
{
return getAttribute(languageAttr).string();
}
String HTMLScriptElement::forAttributeValue() const
{
return getAttribute(forAttr).string();
}
String HTMLScriptElement::eventAttributeValue() const
{
return getAttribute(eventAttr).string();
}
bool HTMLScriptElement::asyncAttributeValue() const
{
return fastHasAttribute(asyncAttr);
}
bool HTMLScriptElement::deferAttributeValue() const
{
return fastHasAttribute(deferAttr);
}
bool HTMLScriptElement::hasSourceAttribute() const
{
return fastHasAttribute(srcAttr);
}
void HTMLScriptElement::dispatchLoadEvent()
{
ASSERT(!haveFiredLoadEvent());
setHaveFiredLoadEvent(true);
dispatchEvent(Event::create(eventNames().loadEvent, false, false));
}
void HTMLScriptElement::dispatchErrorEvent()
{
dispatchEvent(Event::create(eventNames().errorEvent, true, false));
}
PassRefPtr<Element> HTMLScriptElement::cloneElementWithoutAttributesAndChildren() const
{
return adoptRef(new HTMLScriptElement(tagQName(), document(), false, alreadyStarted()));
}
}