1/*
2    Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3                  2004, 2005, 2006, 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 SVGPatternElement_h
22#define SVGPatternElement_h
23
24#if ENABLE(SVG)
25#include "RenderObject.h"
26#include "SVGExternalResourcesRequired.h"
27#include "SVGFitToViewBox.h"
28#include "SVGLangSpace.h"
29#include "SVGPaintServerPattern.h"
30#include "SVGStyledElement.h"
31#include "SVGTests.h"
32#include "SVGTransformList.h"
33#include "SVGURIReference.h"
34
35namespace WebCore {
36
37    struct PatternAttributes;
38
39    class SVGLength;
40
41    class SVGPatternElement : public SVGStyledElement,
42                              public SVGURIReference,
43                              public SVGTests,
44                              public SVGLangSpace,
45                              public SVGExternalResourcesRequired,
46                              public SVGFitToViewBox {
47    public:
48        SVGPatternElement(const QualifiedName&, Document*);
49        virtual ~SVGPatternElement();
50
51        virtual bool isValid() const { return SVGTests::isValid(); }
52
53        virtual void parseMappedAttribute(MappedAttribute*);
54        virtual void svgAttributeChanged(const QualifiedName&);
55        virtual void synchronizeProperty(const QualifiedName&);
56        virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
57
58        virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
59        virtual SVGResource* canvasResource(const RenderObject*);
60
61    private:
62        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::xAttr, SVGLength, X, x)
63        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::yAttr, SVGLength, Y, y)
64        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::widthAttr, SVGLength, Width, width)
65        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::heightAttr, SVGLength, Height, height)
66        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::patternUnitsAttr, int, PatternUnits, patternUnits)
67        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::patternContentUnitsAttr, int, PatternContentUnits, patternContentUnits)
68        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::patternTransformAttr, SVGTransformList*, PatternTransform, patternTransform)
69
70        // SVGURIReference
71        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, XLinkNames::hrefAttr, String, Href, href)
72
73        // SVGExternalResourcesRequired
74        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired)
75
76        // SVGPatternElement
77        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::viewBoxAttr, FloatRect, ViewBox, viewBox)
78        DECLARE_ANIMATED_PROPERTY(SVGPatternElement, SVGNames::preserveAspectRatioAttr, SVGPreserveAspectRatio, PreserveAspectRatio, preserveAspectRatio)
79
80        mutable RefPtr<SVGPaintServerPattern> m_resource;
81
82    private:
83        friend class SVGPaintServerPattern;
84        void buildPattern(const FloatRect& targetRect) const;
85
86        PatternAttributes collectPatternProperties() const;
87    };
88
89} // namespace WebCore
90
91#endif // ENABLE(SVG)
92#endif
93