svgdocument.h

来自「linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自Web」· C头文件 代码 · 共 67 行

/*
    Copyright (C) 2004, 2005 Nikolas Zimmermann <[e-mail]>
                  2004, 2005, 2006, 2007 Rob Buis <[e-mail]>

    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.
*/

#ifndef SVGDocument_h
#define SVGDocument_h
#if ENABLE(SVG)

#include "Document.h"
#include "FloatPoint.h"

namespace WebCore {

    class DOMImplementation;
    class SVGElement;
    class SVGSVGElement;

    class SVGDocument : public Document {
    public:
        static PassRefPtr<SVGDocument> create(Frame* frame)
        {
            return new SVGDocument(frame);
        }

        virtual ~SVGDocument();
        
        virtual bool isSVGDocument() const { return true; }

        SVGSVGElement* rootElement() const;
        
        void dispatchZoomEvent(float prevScale, float newScale);
        void dispatchScrollEvent();

        bool zoomAndPanEnabled() const;

        void startPan(const FloatPoint& start);
        void updatePan(const FloatPoint& pos) const;

    private:
        SVGDocument(Frame*);

        FloatPoint m_translate;
    };

} // namespace WebCore

#endif // ENABLE(SVG)
#endif // SVGDocument_h

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