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 * 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 SVGSVGElement_h 22 #define SVGSVGElement_h 23 24 #include "core/svg/SVGAnimatedBoolean.h" 25 #include "core/svg/SVGAnimatedLength.h" 26 #include "core/svg/SVGAnimatedPreserveAspectRatio.h" 27 #include "core/svg/SVGAnimatedRect.h" 28 #include "core/svg/SVGExternalResourcesRequired.h" 29 #include "core/svg/SVGFitToViewBox.h" 30 #include "core/svg/SVGGraphicsElement.h" 31 #include "core/svg/SVGZoomAndPan.h" 32 #include "wtf/WeakPtr.h" 33 34 namespace WebCore { 35 36 class SVGAngle; 37 class SVGMatrix; 38 class SVGTransform; 39 class SVGViewSpec; 40 class SVGViewElement; 41 class SMILTimeContainer; 42 43 class SVGSVGElement FINAL : public SVGGraphicsElement, 44 public SVGExternalResourcesRequired, 45 public SVGFitToViewBox, 46 public SVGZoomAndPan { 47 public: 48 static PassRefPtr<SVGSVGElement> create(Document&); 49 50 using SVGGraphicsElement::ref; 51 using SVGGraphicsElement::deref; 52 53 virtual bool isValid() const { return SVGTests::isValid(); } 54 virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); } 55 56 // 'SVGSVGElement' functions 57 const AtomicString& contentScriptType() const; 58 void setContentScriptType(const AtomicString& type); 59 60 const AtomicString& contentStyleType() const; 61 void setContentStyleType(const AtomicString& type); 62 63 SVGRect viewport() const; 64 65 float pixelUnitToMillimeterX() const; 66 float pixelUnitToMillimeterY() const; 67 float screenPixelToMillimeterX() const; 68 float screenPixelToMillimeterY() const; 69 70 bool useCurrentView() const { return m_useCurrentView; } 71 SVGViewSpec* currentView(); 72 73 enum ConsiderCSSMode { 74 RespectCSSProperties, 75 IgnoreCSSProperties 76 }; 77 78 // RenderSVGRoot wants to query the intrinsic size, by only examining the width/height attributes. 79 Length intrinsicWidth(ConsiderCSSMode = RespectCSSProperties) const; 80 Length intrinsicHeight(ConsiderCSSMode = RespectCSSProperties) const; 81 FloatSize currentViewportSize() const; 82 SVGRect currentViewBoxRect() const; 83 84 float currentScale() const; 85 void setCurrentScale(float scale); 86 87 SVGPoint& currentTranslate() { return m_translation; } 88 void setCurrentTranslate(const FloatPoint&); 89 90 // Only used from the bindings. 91 void updateCurrentTranslate(); 92 93 SMILTimeContainer* timeContainer() const { return m_timeContainer.get(); } 94 95 void pauseAnimations(); 96 void unpauseAnimations(); 97 bool animationsPaused() const; 98 99 float getCurrentTime() const; 100 void setCurrentTime(float seconds); 101 102 unsigned suspendRedraw(unsigned maxWaitMilliseconds); 103 void unsuspendRedraw(unsigned suspendHandleId); 104 void unsuspendRedrawAll(); 105 void forceRedraw(); 106 107 PassRefPtr<NodeList> getIntersectionList(const SVGRect&, SVGElement* referenceElement) const; 108 PassRefPtr<NodeList> getEnclosureList(const SVGRect&, SVGElement* referenceElement) const; 109 bool checkIntersection(SVGElement*, const SVGRect&) const; 110 bool checkEnclosure(SVGElement*, const SVGRect&) const; 111 void deselectAll(); 112 113 static float createSVGNumber(); 114 static SVGLength createSVGLength(); 115 static SVGAngle createSVGAngle(); 116 static SVGPoint createSVGPoint(); 117 static SVGMatrix createSVGMatrix(); 118 static SVGRect createSVGRect(); 119 static SVGTransform createSVGTransform(); 120 static SVGTransform createSVGTransformFromMatrix(const SVGMatrix&); 121 122 AffineTransform viewBoxToViewTransform(float viewWidth, float viewHeight) const; 123 124 void setupInitialView(const String& fragmentIdentifier, Element* anchorNode); 125 126 Element* getElementById(const AtomicString&) const; 127 128 bool widthAttributeEstablishesViewport() const; 129 bool heightAttributeEstablishesViewport() const; 130 131 SVGZoomAndPanType zoomAndPan() const { return m_zoomAndPan; } 132 void setZoomAndPan(unsigned short zoomAndPan) { m_zoomAndPan = SVGZoomAndPan::parseFromNumber(zoomAndPan); } 133 134 bool hasEmptyViewBox() const { return viewBoxCurrentValue().isValid() && viewBoxCurrentValue().isEmpty(); } 135 136 private: 137 explicit SVGSVGElement(Document&); 138 virtual ~SVGSVGElement(); 139 140 virtual bool isSVGSVGElement() const OVERRIDE { return true; } 141 142 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 143 144 virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE; 145 virtual RenderObject* createRenderer(RenderStyle*); 146 147 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 148 virtual void removedFrom(ContainerNode*) OVERRIDE; 149 150 virtual void svgAttributeChanged(const QualifiedName&); 151 152 virtual bool selfHasRelativeLengths() const; 153 154 void inheritViewAttributes(SVGViewElement*); 155 156 enum CollectIntersectionOrEnclosure { 157 CollectIntersectionList, 158 CollectEnclosureList 159 }; 160 161 PassRefPtr<NodeList> collectIntersectionOrEnclosureList(const SVGRect&, SVGElement*, CollectIntersectionOrEnclosure) const; 162 163 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGSVGElement) 164 DECLARE_ANIMATED_LENGTH(X, x) 165 DECLARE_ANIMATED_LENGTH(Y, y) 166 DECLARE_ANIMATED_LENGTH(Width, width) 167 DECLARE_ANIMATED_LENGTH(Height, height) 168 DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired) 169 DECLARE_ANIMATED_RECT(ViewBox, viewBox) 170 DECLARE_ANIMATED_PRESERVEASPECTRATIO(PreserveAspectRatio, preserveAspectRatio) 171 END_DECLARE_ANIMATED_PROPERTIES 172 173 virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const; 174 175 bool m_useCurrentView; 176 SVGZoomAndPanType m_zoomAndPan; 177 RefPtr<SMILTimeContainer> m_timeContainer; 178 SVGPoint m_translation; 179 RefPtr<SVGViewSpec> m_viewSpec; 180 WeakPtrFactory<SVGSVGElement> m_weakFactory; 181 }; 182 183 inline bool isSVGSVGElement(const Node& node) 184 { 185 return node.isSVGElement() && toSVGElement(node).isSVGSVGElement(); 186 } 187 188 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGSVGElement); 189 190 } // namespace WebCore 191 192 #endif 193
