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 * Copyright (C) 2014 Google, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #ifndef SVGGraphicsElement_h
23 #define SVGGraphicsElement_h
24
25 #include "core/svg/SVGAnimatedTransformList.h"
26 #include "core/svg/SVGElement.h"
27 #include "core/svg/SVGRectTearOff.h"
28 #include "core/svg/SVGTests.h"
29
30 namespace blink {
31
32 class AffineTransform;
33 class Path;
34 class SVGMatrixTearOff;
35
36 class SVGGraphicsElement : public SVGElement, public SVGTests {
37 DEFINE_WRAPPERTYPEINFO();
38 public:
39 virtual ~SVGGraphicsElement();
40
41 enum StyleUpdateStrategy { AllowStyleUpdate, DisallowStyleUpdate };
42
43 AffineTransform getCTM(StyleUpdateStrategy = AllowStyleUpdate);
44 AffineTransform getScreenCTM(StyleUpdateStrategy = AllowStyleUpdate);
45 PassRefPtr<SVGMatrixTearOff> getCTMFromJavascript();
46 PassRefPtr<SVGMatrixTearOff> getScreenCTMFromJavascript();
47
48 PassRefPtr<SVGMatrixTearOff> getTransformToElement(SVGElement*, ExceptionState&);
49
50 SVGElement* nearestViewportElement() const;
51 SVGElement* farthestViewportElement() const;
52
localCoordinateSpaceTransform(SVGElement::CTMScope)53 virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const OVERRIDE { return animatedLocalTransform(); }
54 virtual AffineTransform animatedLocalTransform() const;
55 virtual AffineTransform* supplementalTransform() OVERRIDE;
56
57 virtual FloatRect getBBox();
58 PassRefPtr<SVGRectTearOff> getBBoxFromJavascript();
59
60 // "base class" methods for all the elements which render as paths
61 virtual void toClipPath(Path&);
62 virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
63
isValid()64 virtual bool isValid() const OVERRIDE FINAL { return SVGTests::isValid(); }
65
transform()66 SVGAnimatedTransformList* transform() { return m_transform.get(); }
transform()67 const SVGAnimatedTransformList* transform() const { return m_transform.get(); }
68
69 AffineTransform computeCTM(SVGElement::CTMScope mode, SVGGraphicsElement::StyleUpdateStrategy,
70 const SVGGraphicsElement* ancestor = 0) const;
71
72 protected:
73 SVGGraphicsElement(const QualifiedName&, Document&, ConstructionType = CreateSVGElement);
74
supportsFocus()75 virtual bool supportsFocus() const OVERRIDE { return Element::supportsFocus() || hasFocusEventListeners(); }
76
77 bool isSupportedAttribute(const QualifiedName&);
78 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
79 virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
80
81 RefPtr<SVGAnimatedTransformList> m_transform;
82
83 private:
isSVGGraphicsElement()84 virtual bool isSVGGraphicsElement() const OVERRIDE FINAL { return true; }
85
86 // Used by <animateMotion>
87 OwnPtr<AffineTransform> m_supplementalTransform;
88 };
89
isSVGGraphicsElement(const SVGElement & element)90 inline bool isSVGGraphicsElement(const SVGElement& element)
91 {
92 return element.isSVGGraphicsElement();
93 }
94
95 DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGGraphicsElement);
96
97 } // namespace blink
98
99 #endif // SVGGraphicsElement_h
100