SVGElement.h   [plain text]

/*
    Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
                  2004, 2005 Rob Buis <buis@kde.org>

    This file is part of the KDE project

    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., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/

#ifndef KSVG_SVGElementImpl_H
#define KSVG_SVGElementImpl_H
#if SVG_SUPPORT

#include "StyledElement.h"
#include "SVGNames.h"

namespace WebCore {
    class SVGMatrix;
    class SVGSVGElement;
    class SVGStyledElement;
    class Ecma;
    class DocumentPtr;

    class SVGElement : public StyledElement
    {
    public:
        SVGElement(const QualifiedName&, Document*);
        virtual ~SVGElement();
        virtual bool isSVGElement() const { return true; }
        virtual bool isSupported(StringImpl* feature, StringImpl* version) const;
        
        String id() const;
        void setId(const String&);
        String xmlbase() const;
        void setXmlbase(const String&);

        SVGSVGElement* ownerSVGElement() const;
        SVGElement* viewportElement() const;

        // Helper methods that returns the attr value if attr is set, otherwise the default value.
        // It throws NO_MODIFICATION_ALLOWED_ERR if the element is read-only.
        AtomicString tryGetAttribute(const String& name, AtomicString defaultValue = AtomicString()) const;
        AtomicString tryGetAttributeNS(const String& namespaceURI, const String& localName, AtomicString defaultValue = AtomicString()) const;

        // Internal
        virtual void parseMappedAttribute(MappedAttribute*);

        // To be implemented by any element which can establish new viewports...
        virtual DeprecatedString adjustViewportClipping() const { return DeprecatedString::null; }
        
        virtual bool isStyled() const { return false; }
        virtual bool isStyledTransformable() const { return false; }
        virtual bool isStyledLocatable() const { return false; }
        virtual bool isSVG() const { return false; }
        virtual bool isFilterEffect() const { return false; }
        virtual bool isGradientStop() const { return false; }
        
        // For SVGTests
        virtual bool isValid() const { return true; }
        
        virtual void closeRenderer() { m_closed = true; }
        virtual bool rendererIsNeeded(RenderStyle *) { return false; }
        virtual bool childShouldCreateRenderer(Node *) const;
        
        // helper:
        bool isClosed() const { return m_closed; }

    private:
        bool m_closed;
        void addSVGEventListener(const AtomicString& eventType, const Attribute* attr);
    };
};

namespace WebCore {
    static inline SVGElement *svg_dynamic_cast(Node *node) {
        SVGElement *svgElement = NULL;
        if (node && node->isSVGElement())
            svgElement = static_cast<SVGElement *>(node);
        return svgElement;
    }
};

#endif // SVG_SUPPORT
#endif

// vim:ts=4:noet