1 /* 2 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 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 SVGDocument_h 22 #define SVGDocument_h 23 24 #include "core/dom/Document.h" 25 #include "core/platform/graphics/FloatPoint.h" 26 27 namespace WebCore { 28 29 class DOMImplementation; 30 class SVGElement; 31 class SVGSVGElement; 32 33 class SVGDocument FINAL : public Document { 34 public: 35 static PassRefPtr<SVGDocument> create(const DocumentInit& initializer = DocumentInit()) 36 { 37 return adoptRef(new SVGDocument(initializer)); 38 } 39 40 SVGSVGElement* rootElement() const; 41 42 void dispatchZoomEvent(float prevScale, float newScale); 43 void dispatchScrollEvent(); 44 45 bool zoomAndPanEnabled() const; 46 47 void startPan(const FloatPoint& start); 48 void updatePan(const FloatPoint& pos) const; 49 50 private: 51 SVGDocument(const DocumentInit&); 52 53 virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const; 54 55 FloatPoint m_translate; 56 }; 57 58 inline SVGDocument* toSVGDocument(Document* document) 59 { 60 ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isSVGDocument()); 61 return static_cast<SVGDocument*>(document); 62 } 63 64 inline const SVGDocument* toSVGDocument(const Document* document) 65 { 66 ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isSVGDocument()); 67 return static_cast<const SVGDocument*>(document); 68 } 69 70 // This will catch anyone doing an unnecessary cast. 71 void toSVGDocument(const SVGDocument*); 72 73 } // namespace WebCore 74 75 #endif // SVGDocument_h 76