/*

 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 *           (C) 2000 Simon Hausmann (hausmann@kde.org)

 *           (C) 2001 Dirk Mueller (mueller@kde.org)

 * Copyright (C) 2004, 2006, 2010 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 "HTMLHtmlElement.h"

#include "ApplicationCacheHost.h"

#include "Document.h"

#include "DocumentLoader.h"

#include "Frame.h"

#include "HTMLNames.h"

namespace WebCore {

using namespace HTMLNames;

HTMLHtmlElement::HTMLHtmlElement(const QualifiedName& tagName, Document* document)

    : HTMLElement(tagName, document)

{

    ASSERT(hasTagName(htmlTag));

}

PassRefPtr<HTMLHtmlElement> HTMLHtmlElement::create(Document* document)

{

    return adoptRef(new HTMLHtmlElement(htmlTag, document));

}

PassRefPtr<HTMLHtmlElement> HTMLHtmlElement::create(const QualifiedName& tagName, Document* document)

{

    return adoptRef(new HTMLHtmlElement(tagName, document));

}

bool HTMLHtmlElement::checkDTD(const Node* newChild)

{

    return newChild->hasTagName(headTag) || newChild->hasTagName(bodyTag) ||

           newChild->hasTagName(framesetTag) || newChild->hasTagName(noframesTag);

}

#if ENABLE(OFFLINE_WEB_APPLICATIONS)

void HTMLHtmlElement::insertedIntoDocument()

{

    HTMLElement::insertedIntoDocument();

    if (!document()->parsing())

        return;

    if (!document()->frame())

        return;

    DocumentLoader* documentLoader = document()->frame()->loader()->documentLoader();

    if (!documentLoader)

        return;

    // Check the manifest attribute

    // FIXME: Revisit this when we get a clarification from whatwg on how to handle empty

    // manifest attributes. As spec'd, and coded here, the system will initiate an update

    // passing in the document url as the manifest url. That's not a good thing.

    AtomicString manifest = getAttribute(manifestAttr);

    if (manifest.isNull())

        documentLoader->applicationCacheHost()->selectCacheWithoutManifest();

    else

        documentLoader->applicationCacheHost()->selectCacheWithManifest(document()->completeURL(manifest));

}

#endif

}