1/*
2    Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3                  2004, 2005, 2007 Rob Buis <buis@kde.org>
4
5    This library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Library General Public
7    License as published by the Free Software Foundation; either
8    version 2 of the License, or (at your option) any later version.
9
10    This library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Library General Public License for more details.
14
15    You should have received a copy of the GNU Library General Public License
16    along with this library; see the file COPYING.LIB.  If not, write to
17    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18    Boston, MA 02110-1301, USA.
19*/
20
21#ifndef SVGStyledElement_h
22#define SVGStyledElement_h
23
24#if ENABLE(SVG)
25#include "HTMLNames.h"
26#include "SVGElement.h"
27#include "SVGStylable.h"
28
29namespace WebCore {
30
31    class SVGResource;
32
33    void mapAttributeToCSSProperty(HashMap<AtomicStringImpl*, int>* propertyNameToIdMap, const QualifiedName& attrName);
34
35    class SVGStyledElement : public SVGElement,
36                             public SVGStylable {
37    public:
38        SVGStyledElement(const QualifiedName&, Document*);
39        virtual ~SVGStyledElement();
40
41        virtual bool hasRelativeValues() const { return false; }
42        virtual bool isStyled() const { return true; }
43        virtual bool supportsMarkers() const { return false; }
44
45        virtual PassRefPtr<CSSValue> getPresentationAttribute(const String& name);
46        virtual CSSStyleDeclaration* style() { return StyledElement::style(); }
47
48        bool isKnownAttribute(const QualifiedName&);
49
50        virtual bool rendererIsNeeded(RenderStyle*);
51        virtual SVGResource* canvasResource(const RenderObject*) { return 0; }
52
53        virtual bool mapToEntry(const QualifiedName&, MappedAttributeEntry&) const;
54        virtual void parseMappedAttribute(MappedAttribute*);
55        virtual void svgAttributeChanged(const QualifiedName&);
56        virtual void synchronizeProperty(const QualifiedName&);
57
58        virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
59
60        // Centralized place to force a manual style resolution. Hacky but needed for now.
61        PassRefPtr<RenderStyle> resolveStyle(RenderStyle* parentStyle);
62
63        void invalidateResourcesInAncestorChain() const;
64        void invalidateResources();
65
66        virtual void detach();
67
68        bool instanceUpdatesBlocked() const;
69        void setInstanceUpdatesBlocked(bool);
70
71    protected:
72        static int cssPropertyIdForSVGAttributeName(const QualifiedName&);
73
74        virtual void invalidateCanvasResources();
75
76    private:
77        DECLARE_ANIMATED_PROPERTY(SVGStyledElement, HTMLNames::classAttr, String, ClassName, className)
78    };
79
80} // namespace WebCore
81
82#endif // ENABLE(SVG)
83#endif // SVGStyledElement
84