1/*
2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 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 SVGGraphicsElement_h
22#define SVGGraphicsElement_h
23
24#include "core/svg/SVGAnimatedTransformList.h"
25#include "core/svg/SVGElement.h"
26#include "core/svg/SVGTests.h"
27
28namespace WebCore {
29
30class AffineTransform;
31class Path;
32
33class SVGGraphicsElement : public SVGElement, public SVGTests {
34public:
35    virtual ~SVGGraphicsElement();
36
37    enum StyleUpdateStrategy { AllowStyleUpdate, DisallowStyleUpdate };
38
39    AffineTransform getCTM(StyleUpdateStrategy = AllowStyleUpdate);
40    AffineTransform getScreenCTM(StyleUpdateStrategy = AllowStyleUpdate);
41    AffineTransform getTransformToElement(SVGElement*, ExceptionState&);
42    SVGElement* nearestViewportElement() const;
43    SVGElement* farthestViewportElement() const;
44
45    virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const OVERRIDE { return animatedLocalTransform(); }
46    virtual AffineTransform animatedLocalTransform() const;
47    virtual AffineTransform* supplementalTransform();
48
49    virtual SVGRect getBBox();
50    SVGRect getStrokeBBox();
51
52    // "base class" methods for all the elements which render as paths
53    virtual void toClipPath(Path&);
54    virtual RenderObject* createRenderer(RenderStyle*);
55
56protected:
57    SVGGraphicsElement(const QualifiedName&, Document&, ConstructionType = CreateSVGElement);
58
59    bool isSupportedAttribute(const QualifiedName&);
60    virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
61    virtual void svgAttributeChanged(const QualifiedName&);
62
63    BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGraphicsElement)
64        DECLARE_ANIMATED_TRANSFORM_LIST(Transform, transform)
65    END_DECLARE_ANIMATED_PROPERTIES
66
67private:
68    virtual bool isSVGGraphicsElement() const OVERRIDE { return true; }
69
70    // SVGTests
71    virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
72    virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
73    virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
74
75    // Used by <animateMotion>
76    OwnPtr<AffineTransform> m_supplementalTransform;
77};
78
79inline bool isSVGGraphicsElement(const Node& node)
80{
81    return node.isSVGElement() && toSVGElement(node).isSVGGraphicsElement();
82}
83
84DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGGraphicsElement);
85
86} // namespace WebCore
87
88#endif // SVGGraphicsElement_h
89