1 /* 2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007, 2010 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 SVGSVGElement_h 23 #define SVGSVGElement_h 24 25 #include "core/svg/SVGAnimatedBoolean.h" 26 #include "core/svg/SVGAnimatedLength.h" 27 #include "core/svg/SVGFitToViewBox.h" 28 #include "core/svg/SVGGraphicsElement.h" 29 #include "core/svg/SVGLengthTearOff.h" 30 #include "core/svg/SVGPointTearOff.h" 31 #include "core/svg/SVGZoomAndPan.h" 32 33 namespace blink { 34 35 class SVGMatrixTearOff; 36 class SVGAngleTearOff; 37 class SVGNumberTearOff; 38 class SVGTransformTearOff; 39 class SVGViewSpec; 40 class SVGViewElement; 41 class SMILTimeContainer; 42 43 class SVGSVGElement FINAL : public SVGGraphicsElement, 44 public SVGFitToViewBox, 45 public SVGZoomAndPan { 46 DEFINE_WRAPPERTYPEINFO(); 47 public: 48 DECLARE_NODE_FACTORY(SVGSVGElement); 49 50 #if !ENABLE(OILPAN) 51 using SVGGraphicsElement::ref; 52 using SVGGraphicsElement::deref; 53 #endif 54 55 // 'SVGSVGElement' functions 56 PassRefPtr<SVGRectTearOff> viewport() const; 57 58 float pixelUnitToMillimeterX() const; 59 float pixelUnitToMillimeterY() const; 60 float screenPixelToMillimeterX() const; 61 float screenPixelToMillimeterY() const; 62 63 bool useCurrentView() const { return m_useCurrentView; } 64 SVGViewSpec* currentView(); 65 66 Length intrinsicWidth() const; 67 Length intrinsicHeight() const; 68 FloatSize currentViewportSize() const; 69 FloatRect currentViewBoxRect() const; 70 71 float currentScale() const; 72 void setCurrentScale(float scale); 73 74 FloatPoint currentTranslate() { return m_translation->value(); } 75 void setCurrentTranslate(const FloatPoint&); 76 PassRefPtr<SVGPointTearOff> currentTranslateFromJavascript(); 77 78 SMILTimeContainer* timeContainer() const { return m_timeContainer.get(); } 79 80 void pauseAnimations(); 81 void unpauseAnimations(); 82 bool animationsPaused() const; 83 84 float getCurrentTime() const; 85 void setCurrentTime(float seconds); 86 87 // Stubs for the deprecated 'redraw' interface. 88 unsigned suspendRedraw(unsigned) { return 1; } 89 void unsuspendRedraw(unsigned) { } 90 void unsuspendRedrawAll() { } 91 void forceRedraw() { } 92 93 PassRefPtrWillBeRawPtr<StaticNodeList> getIntersectionList(PassRefPtr<SVGRectTearOff>, SVGElement* referenceElement) const; 94 PassRefPtrWillBeRawPtr<StaticNodeList> getEnclosureList(PassRefPtr<SVGRectTearOff>, SVGElement* referenceElement) const; 95 bool checkIntersection(SVGElement*, PassRefPtr<SVGRectTearOff>) const; 96 bool checkEnclosure(SVGElement*, PassRefPtr<SVGRectTearOff>) const; 97 void deselectAll(); 98 99 static PassRefPtr<SVGNumberTearOff> createSVGNumber(); 100 static PassRefPtr<SVGLengthTearOff> createSVGLength(); 101 static PassRefPtr<SVGAngleTearOff> createSVGAngle(); 102 static PassRefPtr<SVGPointTearOff> createSVGPoint(); 103 static PassRefPtr<SVGMatrixTearOff> createSVGMatrix(); 104 static PassRefPtr<SVGRectTearOff> createSVGRect(); 105 static PassRefPtr<SVGTransformTearOff> createSVGTransform(); 106 static PassRefPtr<SVGTransformTearOff> createSVGTransformFromMatrix(PassRefPtr<SVGMatrixTearOff>); 107 108 AffineTransform viewBoxToViewTransform(float viewWidth, float viewHeight) const; 109 110 void setupInitialView(const String& fragmentIdentifier, Element* anchorNode); 111 112 bool hasIntrinsicWidth() const; 113 bool hasIntrinsicHeight() const; 114 115 SVGAnimatedLength* x() const { return m_x.get(); } 116 SVGAnimatedLength* y() const { return m_y.get(); } 117 SVGAnimatedLength* width() const { return m_width.get(); } 118 SVGAnimatedLength* height() const { return m_height.get(); } 119 120 virtual void trace(Visitor*) OVERRIDE; 121 122 private: 123 explicit SVGSVGElement(Document&); 124 virtual ~SVGSVGElement(); 125 126 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 127 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE; 128 virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE; 129 130 virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE; 131 virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE; 132 133 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 134 virtual void removedFrom(ContainerNode*) OVERRIDE; 135 136 virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE; 137 138 virtual bool selfHasRelativeLengths() const OVERRIDE; 139 140 void inheritViewAttributes(SVGViewElement*); 141 142 void updateCurrentTranslate(); 143 144 virtual void finishParsingChildren() OVERRIDE; 145 146 enum CheckIntersectionOrEnclosure { 147 CheckIntersection, 148 CheckEnclosure 149 }; 150 151 bool checkIntersectionOrEnclosure(const SVGElement&, const FloatRect&, CheckIntersectionOrEnclosure) const; 152 PassRefPtrWillBeRawPtr<StaticNodeList> collectIntersectionOrEnclosureList(const FloatRect&, SVGElement*, CheckIntersectionOrEnclosure) const; 153 154 RefPtr<SVGAnimatedLength> m_x; 155 RefPtr<SVGAnimatedLength> m_y; 156 RefPtr<SVGAnimatedLength> m_width; 157 RefPtr<SVGAnimatedLength> m_height; 158 159 virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const OVERRIDE; 160 161 bool m_useCurrentView; 162 RefPtrWillBeMember<SMILTimeContainer> m_timeContainer; 163 RefPtr<SVGPoint> m_translation; 164 RefPtrWillBeMember<SVGViewSpec> m_viewSpec; 165 166 friend class SVGCurrentTranslateTearOff; 167 }; 168 169 } // namespace blink 170 171 #endif // SVGSVGElement_h 172
