1 /* 2 * Copyright (C) 2007 Rob Buis <buis@kde.org> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef SVGViewSpec_h 21 #define SVGViewSpec_h 22 23 #include "bindings/v8/ScriptWrappable.h" 24 #include "core/svg/SVGAnimatedPreserveAspectRatio.h" 25 #include "core/svg/SVGAnimatedRect.h" 26 #include "core/svg/SVGFitToViewBox.h" 27 #include "core/svg/SVGSVGElement.h" 28 #include "core/svg/SVGTransformList.h" 29 #include "core/svg/SVGZoomAndPan.h" 30 #include "wtf/WeakPtr.h" 31 32 namespace WebCore { 33 34 class ExceptionState; 35 class SVGTransformListPropertyTearOff; 36 37 class SVGViewSpec FINAL : public RefCounted<SVGViewSpec>, public ScriptWrappable, public SVGZoomAndPan, public SVGFitToViewBox { 38 public: 39 using RefCounted<SVGViewSpec>::ref; 40 using RefCounted<SVGViewSpec>::deref; 41 create(WeakPtr<SVGSVGElement> contextElement)42 static PassRefPtr<SVGViewSpec> create(WeakPtr<SVGSVGElement> contextElement) 43 { 44 return adoptRef(new SVGViewSpec(contextElement)); 45 } 46 47 bool parseViewSpec(const String&); 48 void reset(); 49 50 SVGElement* viewTarget() const; 51 String viewBoxString() const; 52 53 String preserveAspectRatioString() const; 54 55 void setTransformString(const String&); 56 String transformString() const; 57 setViewTargetString(const String & string)58 void setViewTargetString(const String& string) { m_viewTargetString = string; } viewTargetString()59 String viewTargetString() const { return m_viewTargetString; } 60 zoomAndPan()61 SVGZoomAndPanType zoomAndPan() const { return m_zoomAndPan; } setZoomAndPan(unsigned short zoomAndPan)62 void setZoomAndPan(unsigned short zoomAndPan) { setZoomAndPanBaseValue(zoomAndPan); } 63 void setZoomAndPan(unsigned short, ExceptionState&); setZoomAndPanBaseValue(unsigned short zoomAndPan)64 void setZoomAndPanBaseValue(unsigned short zoomAndPan) { m_zoomAndPan = SVGZoomAndPan::parseFromNumber(zoomAndPan); } 65 contextElement()66 SVGElement* contextElement() const { return m_contextElement.get(); } 67 68 // Custom non-animated 'transform' property. 69 SVGTransformListPropertyTearOff* transform(); transformBaseValue()70 SVGTransformList transformBaseValue() const { return m_transform; } 71 72 // Custom animated 'viewBox' property. 73 PassRefPtr<SVGAnimatedRect> viewBox(); viewBoxCurrentValue()74 SVGRect& viewBoxCurrentValue() { return m_viewBox; } viewBoxBaseValue()75 SVGRect viewBoxBaseValue() const { return m_viewBox; } setViewBoxBaseValue(const SVGRect & viewBox)76 void setViewBoxBaseValue(const SVGRect& viewBox) { m_viewBox = viewBox; } 77 78 // Custom animated 'preserveAspectRatio' property. 79 PassRefPtr<SVGAnimatedPreserveAspectRatio> preserveAspectRatio(); preserveAspectRatioCurrentValue()80 SVGPreserveAspectRatio& preserveAspectRatioCurrentValue() { return m_preserveAspectRatio; } preserveAspectRatioBaseValue()81 SVGPreserveAspectRatio preserveAspectRatioBaseValue() const { return m_preserveAspectRatio; } setPreserveAspectRatioBaseValue(const SVGPreserveAspectRatio & preserveAspectRatio)82 void setPreserveAspectRatioBaseValue(const SVGPreserveAspectRatio& preserveAspectRatio) { m_preserveAspectRatio = preserveAspectRatio; } 83 84 private: 85 explicit SVGViewSpec(WeakPtr<SVGSVGElement>); 86 87 static const SVGPropertyInfo* transformPropertyInfo(); 88 static const SVGPropertyInfo* viewBoxPropertyInfo(); 89 static const SVGPropertyInfo* preserveAspectRatioPropertyInfo(); 90 91 static const AtomicString& transformIdentifier(); 92 static const AtomicString& viewBoxIdentifier(); 93 static const AtomicString& preserveAspectRatioIdentifier(); 94 95 static PassRefPtr<SVGAnimatedProperty> lookupOrCreateTransformWrapper(SVGViewSpec* contextElement); 96 static PassRefPtr<SVGAnimatedProperty> lookupOrCreateViewBoxWrapper(SVGViewSpec* contextElement); 97 static PassRefPtr<SVGAnimatedProperty> lookupOrCreatePreserveAspectRatioWrapper(SVGViewSpec* contextElement); 98 99 template<typename CharType> 100 bool parseViewSpecInternal(const CharType* ptr, const CharType* end); 101 102 WeakPtr<SVGSVGElement> m_contextElement; 103 104 SVGZoomAndPanType m_zoomAndPan; 105 SVGTransformList m_transform; 106 SVGRect m_viewBox; 107 SVGPreserveAspectRatio m_preserveAspectRatio; 108 String m_viewTargetString; 109 }; 110 111 } // namespace WebCore 112 113 #endif 114