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SVGStyledElement.h

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00001 /*
00002     Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
00003                   2004, 2005, 2007 Rob Buis <buis@kde.org>
00004 
00005     This file is part of the KDE project
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020     Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #ifndef SVGStyledElement_h
00024 #define SVGStyledElement_h
00025 
00026 #if ENABLE(SVG)
00027 #include "AffineTransform.h"
00028 #include "Path.h"
00029 #include "SVGElement.h"
00030 #include "SVGLength.h"
00031 #include "SVGResource.h"
00032 #include "SVGStylable.h"
00033 
00034 //khtml compat
00035 #include "RenderStyle.h"
00036 
00037 namespace WebCore {
00038 
00039     class SVGStyledElement : public SVGElement,
00040                              public SVGStylable {
00041     public:
00042         SVGStyledElement(const QualifiedName&, Document*);
00043         virtual ~SVGStyledElement();
00044         
00045         virtual bool isStyled() const { return true; }
00046         virtual bool supportsMarkers() const { return false; }
00047 
00048         virtual PassRefPtr<CSSValue> getPresentationAttribute(const String& name);
00049         virtual CSSStyleDeclaration* style() { return StyledElement::style(); }
00050 
00051         bool isKnownAttribute(const QualifiedName&);
00052 
00053         virtual bool rendererIsNeeded(RenderStyle*);
00054         virtual SVGResource* canvasResource() { return 0; }
00055         
00056         /*virtual bool mapToEntry(const QualifiedName&, MappedAttributeEntry&) const;*/
00057         virtual void parseMappedAttribute(MappedAttribute*);
00058 
00059         virtual void svgAttributeChanged(const QualifiedName&);
00060 
00061         virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
00062 
00063         // Centralized place to force a manual style resolution. Hacky but needed for now.
00064         RenderStyle* resolveStyle(RenderStyle* parentStyle);
00065 
00066         void invalidateResourcesInAncestorChain() const;        
00067         virtual void detach();
00068                                  
00069         void setInstanceUpdatesBlocked(bool);
00070         
00071     protected:
00072         virtual bool hasRelativeValues() const { return true; }
00073         
00074         static int cssPropertyIdForSVGAttributeName(const QualifiedName&);
00075 
00076     private:
00077         ANIMATED_PROPERTY_DECLARATIONS(SVGStyledElement, String, String, ClassName, className)
00078 
00079         void updateElementInstance(SVGDocumentExtensions*) const;
00080     };
00081 
00082 } // namespace WebCore
00083 
00084 #endif // ENABLE(SVG)
00085 #endif // SVGStyledElement

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