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/core/v8/ScriptWrappable.h" 24 #include "core/svg/SVGFitToViewBox.h" 25 #include "core/svg/SVGSVGElement.h" 26 #include "core/svg/SVGZoomAndPan.h" 27 #include "platform/heap/Handle.h" 28 #include "wtf/WeakPtr.h" 29 30 namespace blink { 31 32 class SVGViewSpec FINAL : public RefCountedWillBeGarbageCollectedFinalized<SVGViewSpec>, public ScriptWrappable, public SVGZoomAndPan, public SVGFitToViewBox { 33 DEFINE_WRAPPERTYPEINFO(); 34 public: 35 #if !ENABLE(OILPAN) 36 using RefCounted<SVGViewSpec>::ref; 37 using RefCounted<SVGViewSpec>::deref; 38 #endif 39 create(SVGSVGElement * contextElement)40 static PassRefPtrWillBeRawPtr<SVGViewSpec> create(SVGSVGElement* contextElement) 41 { 42 return adoptRefWillBeNoop(new SVGViewSpec(contextElement)); 43 } 44 45 bool parseViewSpec(const String&); 46 void reset(); 47 void detachContextElement(); 48 49 // JS API transform()50 SVGTransformList* transform() { return m_transform ? m_transform->baseValue() : 0; } transformFromJavascript()51 PassRefPtr<SVGTransformListTearOff> transformFromJavascript() { return m_transform ? m_transform->baseVal() : 0; } 52 SVGElement* viewTarget() const; 53 String viewBoxString() const; 54 String preserveAspectRatioString() const; 55 String transformString() const; viewTargetString()56 String viewTargetString() const { return m_viewTargetString; } 57 // override SVGZoomAndPan.setZoomAndPan so can throw exception on write setZoomAndPan(unsigned short value)58 void setZoomAndPan(unsigned short value) { } // read only 59 void setZoomAndPan(unsigned short value, ExceptionState&); 60 61 void trace(Visitor*); 62 contextElement()63 SVGSVGElement* contextElement() { return m_contextElement.get(); } 64 65 private: 66 explicit SVGViewSpec(SVGSVGElement*); 67 68 template<typename CharType> 69 bool parseViewSpecInternal(const CharType* ptr, const CharType* end); 70 71 RawPtrWillBeMember<SVGSVGElement> m_contextElement; 72 RefPtr<SVGAnimatedTransformList> m_transform; 73 String m_viewTargetString; 74 }; 75 76 } // namespace blink 77 78 #endif // SVGViewSpec_h 79