1/*
2    Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3                  2004, 2005, 2006 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 SVGGradientElement_h
22#define SVGGradientElement_h
23
24#if ENABLE(SVG)
25#include "RenderObject.h"
26#include "SVGPaintServerGradient.h"
27#include "SVGExternalResourcesRequired.h"
28#include "SVGStyledElement.h"
29#include "SVGTransformList.h"
30#include "SVGURIReference.h"
31
32namespace WebCore {
33
34    class SVGGradientElement : public SVGStyledElement,
35                               public SVGURIReference,
36                               public SVGExternalResourcesRequired {
37    public:
38        SVGGradientElement(const QualifiedName&, Document*);
39        virtual ~SVGGradientElement();
40
41        virtual void parseMappedAttribute(MappedAttribute*);
42        virtual void svgAttributeChanged(const QualifiedName&);
43        virtual void synchronizeProperty(const QualifiedName&);
44
45        virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
46        virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
47
48        virtual SVGResource* canvasResource(const RenderObject*);
49
50    protected:
51        friend class SVGPaintServerGradient;
52        friend class SVGLinearGradientElement;
53        friend class SVGRadialGradientElement;
54
55        virtual void buildGradient() const = 0;
56        virtual SVGPaintServerType gradientType() const = 0;
57
58        Vector<SVGGradientStop> buildStops() const;
59        mutable RefPtr<SVGPaintServerGradient> m_resource;
60
61    protected:
62        DECLARE_ANIMATED_PROPERTY(SVGGradientElement, SVGNames::spreadMethodAttr, int, SpreadMethod, spreadMethod)
63        DECLARE_ANIMATED_PROPERTY(SVGGradientElement, SVGNames::gradientUnitsAttr, int, GradientUnits, gradientUnits)
64        DECLARE_ANIMATED_PROPERTY(SVGGradientElement, SVGNames::gradientTransformAttr, SVGTransformList*, GradientTransform, gradientTransform)
65
66        // SVGURIReference
67        DECLARE_ANIMATED_PROPERTY(SVGGradientElement, XLinkNames::hrefAttr, String, Href, href)
68
69        // SVGExternalResourcesRequired
70        DECLARE_ANIMATED_PROPERTY(SVGGradientElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired)
71    };
72
73} // namespace WebCore
74
75#endif // ENABLE(SVG)
76#endif
77