1 /* 2 * Copyright (C) 2007 Rob Buis <buis (at) 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/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 WebCore { 31 32 class SVGViewSpec FINAL : public RefCountedWillBeGarbageCollectedFinalized<SVGViewSpec>, public ScriptWrappable, public SVGZoomAndPan, public SVGFitToViewBox { 33 public: 34 #if !ENABLE(OILPAN) 35 using RefCounted<SVGViewSpec>::ref; 36 using RefCounted<SVGViewSpec>::deref; 37 #endif 38 39 static PassRefPtrWillBeRawPtr<SVGViewSpec> create(SVGSVGElement* contextElement) 40 { 41 return adoptRefWillBeNoop(new SVGViewSpec(contextElement)); 42 } 43 44 bool parseViewSpec(const String&); 45 void reset(); 46 void detachContextElement(); 47 48 // JS API 49 SVGTransformList* transform() { return m_transform ? m_transform->baseValue() : 0; } 50 PassRefPtr<SVGTransformListTearOff> transformFromJavascript() { return m_transform ? m_transform->baseVal() : 0; } 51 SVGElement* viewTarget() const; 52 String viewBoxString() const; 53 String preserveAspectRatioString() const; 54 String transformString() const; 55 String viewTargetString() const { return m_viewTargetString; } 56 // override SVGZoomAndPan.setZoomAndPan so can throw exception on write 57 void setZoomAndPan(unsigned short value) { } // read only 58 void setZoomAndPan(unsigned short value, ExceptionState&); 59 60 void trace(Visitor*); 61 62 SVGSVGElement* contextElement() { return m_contextElement.get(); } 63 64 private: 65 explicit SVGViewSpec(SVGSVGElement*); 66 67 template<typename CharType> 68 bool parseViewSpecInternal(const CharType* ptr, const CharType* end); 69 70 RawPtrWillBeMember<SVGSVGElement> m_contextElement; 71 RefPtr<SVGAnimatedTransformList> m_transform; 72 String m_viewTargetString; 73 }; 74 75 } // namespace WebCore 76 77 #endif 78