/*

    Copyright (C) Research In Motion Limited 2010. 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

    aint 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.

*/

#ifndef SVGShadowTreeElements_h

#define SVGShadowTreeElements_h

#if ENABLE(SVG)

#include "SVGGElement.h"

#include "SVGLength.h"

namespace WebCore {

class FloatSize;

class SVGShadowTreeContainerElement : public SVGGElement {

public:

    SVGShadowTreeContainerElement(Document*);

    virtual ~SVGShadowTreeContainerElement();

    virtual bool isShadowTreeContainerElement() const { return true; }

    FloatSize containerTranslation() const;

    void setContainerOffset(const SVGLength& x, const SVGLength& y)

    {

        m_xOffset = x;

        m_yOffset = y;

    }

private:

    SVGLength m_xOffset;

    SVGLength m_yOffset;

};

class SVGShadowTreeRootElement : public SVGShadowTreeContainerElement {

public:

    SVGShadowTreeRootElement(Document*, Node* shadowParent);

    virtual ~SVGShadowTreeRootElement();

    virtual bool isShadowNode() const { return m_shadowParent; }

    virtual Node* shadowParentNode() { return m_shadowParent; }

    void attachElement(PassRefPtr<RenderStyle>, RenderArena*);

private:

    Node* m_shadowParent;

};

}

#endif

#endif