/*

    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>

                  2004, 2005, 2007 Rob Buis <buis@kde.org>

                  2009 Google, Inc.

    Copyright (C) 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

    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 RenderSVGViewportContainer_h

#define RenderSVGViewportContainer_h

#if ENABLE(SVG)

#include "RenderSVGContainer.h"

namespace WebCore {

// This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable

// thus we inherit from RenderSVGContainer instead of RenderSVGTransformableContainer

class RenderSVGViewportContainer : public RenderSVGContainer {

public:

    RenderSVGViewportContainer(SVGStyledElement*);

private:

    virtual bool isSVGContainer() const { return true; }

    virtual const char* renderName() const { return "RenderSVGViewportContainer"; }

    AffineTransform viewportTransform() const;

    virtual const AffineTransform& localToParentTransform() const;

    virtual void calcViewport();

    virtual void applyViewportClip(PaintInfo&);

    virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent);

    FloatRect m_viewport;

    mutable AffineTransform m_localToParentTransform;

};

inline RenderSVGViewportContainer* toRenderSVGViewportContainer(RenderObject* object)

{

    ASSERT(!object || !strcmp(object->renderName(), "RenderSVGViewportContainer"));

    return static_cast<RenderSVGViewportContainer*>(object);

}

// This will catch anyone doing an unnecessary cast.

void toRenderSVGViewportContainer(const RenderSVGViewportContainer*);

} // namespace WebCore

#endif // ENABLE(SVG)

#endif // RenderSVGViewportContainer_h