/*

 * Copyright (C) 2006, 2007, 2009 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 "HTMLFrameOwnerElement.h"

#include "DOMWindow.h"

#include "Frame.h"

#include "FrameLoader.h"

#if ENABLE(SVG)

#include "ExceptionCode.h"

#include "SVGDocument.h"

#endif

namespace WebCore {

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

    : HTMLElement(tagName, document)

    , m_contentFrame(0)

    , m_sandboxFlags(SandboxNone)

{

}

void HTMLFrameOwnerElement::willRemove()

{

    if (Frame* frame = contentFrame()) {

        frame->disconnectOwnerElement();

        frame->loader()->frameDetached();

    }

    HTMLElement::willRemove();

}

HTMLFrameOwnerElement::~HTMLFrameOwnerElement()

{

    if (m_contentFrame)

        m_contentFrame->disconnectOwnerElement();

}

Document* HTMLFrameOwnerElement::contentDocument() const

{

    return m_contentFrame ? m_contentFrame->document() : 0;

}

DOMWindow* HTMLFrameOwnerElement::contentWindow() const

{

    return m_contentFrame ? m_contentFrame->domWindow() : 0;

}

void HTMLFrameOwnerElement::setSandboxFlags(SandboxFlags flags)

{

    if (m_sandboxFlags == flags)

        return;

    m_sandboxFlags = flags;

    if (Frame* frame = contentFrame())

        frame->loader()->ownerElementSandboxFlagsChanged();

}

#if ENABLE(SVG)

SVGDocument* HTMLFrameOwnerElement::getSVGDocument(ExceptionCode& ec) const

{

    Document* doc = contentDocument();

    if (doc && doc->isSVGDocument())

        return static_cast<SVGDocument*>(doc);

    // Spec: http://www.w3.org/TR/SVG/struct.html#InterfaceGetSVGDocument

    ec = NOT_SUPPORTED_ERR;

    return 0;

}

#endif

} // namespace WebCore