/*

 * 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 "Text.h"

namespace WebCore {

using namespace HTMLNames;

inline HTMLScriptElement::HTMLScriptElement(const QualifiedName& tagName, Document* document, bool createdByParser)

    : HTMLElement(tagName, document)

    , m_data(this, this)

{

    ASSERT(hasTagName(scriptTag));

    m_data.setCreatedByParser(createdByParser);

}

PassRefPtr<HTMLScriptElement> HTMLScriptElement::create(const QualifiedName& tagName, Document* document, bool createdByParser)

{

    return adoptRef(new HTMLScriptElement(tagName, document, createdByParser));

}

bool HTMLScriptElement::isURLAttribute(Attribute* attr) const

{

    return attr->name() == srcAttr;

}

bool HTMLScriptElement::shouldExecuteAsJavaScript() const

{

    return m_data.shouldExecuteAsJavaScript();

}

void HTMLScriptElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)

{

    ScriptElement::childrenChanged(m_data);

    HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);

}

void HTMLScriptElement::parseMappedAttribute(Attribute* attr)

{

    const QualifiedName& attrName = attr->name();

    if (attrName == srcAttr)

        handleSourceAttribute(m_data, 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);

}

void HTMLScriptElement::finishParsingChildren()

{

    ScriptElement::finishParsingChildren(m_data, sourceAttributeValue());

    HTMLElement::finishParsingChildren();

}

void HTMLScriptElement::insertedIntoDocument()

{

    HTMLElement::insertedIntoDocument();

    ScriptElement::insertedIntoDocument(m_data, sourceAttributeValue());

}

void HTMLScriptElement::removedFromDocument()

{

    HTMLElement::removedFromDocument();

    ScriptElement::removedFromDocument(m_data);

}

String HTMLScriptElement::text() const

{

    return m_data.scriptContent();

}

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);

}

KURL HTMLScriptElement::src() const

{

    return document()->completeURL(sourceAttributeValue());

}

String HTMLScriptElement::scriptCharset() const

{

    return m_data.scriptCharset();

}

String HTMLScriptElement::scriptContent() const

{

    return m_data.scriptContent();

}

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 !getAttribute(asyncAttr).isNull();

}

bool HTMLScriptElement::deferAttributeValue() const

{

    return !getAttribute(deferAttr).isNull();

}

void HTMLScriptElement::dispatchLoadEvent()

{

    ASSERT(!m_data.haveFiredLoadEvent());

    m_data.setHaveFiredLoadEvent(true);

    dispatchEvent(Event::create(eventNames().loadEvent, false, false));

}

void HTMLScriptElement::dispatchErrorEvent()

{

    dispatchEvent(Event::create(eventNames().errorEvent, true, false));

}

}