1 /* 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis (at) 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 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 64 virtual bool isValid() const OVERRIDE FINAL { return SVGTests::isValid(); } 65 66 SVGAnimatedTransformList* transform() { return m_transform.get(); } 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 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: 84 virtual bool isSVGGraphicsElement() const OVERRIDE FINAL { return true; } 85 86 // Used by <animateMotion> 87 OwnPtr<AffineTransform> m_supplementalTransform; 88 }; 89 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
