1 /* 2 Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox (at) kde.org> 3 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 #include "config.h" 22 #if ENABLE(SVG) 23 #include "SVGDocument.h" 24 25 #include "EventNames.h" 26 #include "ExceptionCode.h" 27 #include "FrameView.h" 28 #include "RenderView.h" 29 #include "SVGElement.h" 30 #include "SVGNames.h" 31 #include "SVGSVGElement.h" 32 #include "SVGViewSpec.h" 33 #include "SVGZoomEvent.h" 34 #include "SVGZoomAndPan.h" 35 36 namespace WebCore { 37 38 SVGDocument::SVGDocument(Frame* frame) 39 : Document(frame, false, false) 40 { 41 } 42 43 SVGDocument::~SVGDocument() 44 { 45 } 46 47 SVGSVGElement* SVGDocument::rootElement() const 48 { 49 Element* elem = documentElement(); 50 if (elem && elem->hasTagName(SVGNames::svgTag)) 51 return static_cast<SVGSVGElement*>(elem); 52 53 return 0; 54 } 55 56 void SVGDocument::dispatchZoomEvent(float prevScale, float newScale) 57 { 58 ExceptionCode ec = 0; 59 RefPtr<SVGZoomEvent> event = static_pointer_cast<SVGZoomEvent>(createEvent("SVGZoomEvents", ec)); 60 event->initEvent(eventNames().zoomEvent, true, false); 61 event->setPreviousScale(prevScale); 62 event->setNewScale(newScale); 63 rootElement()->dispatchEvent(event.release(), ec); 64 } 65 66 void SVGDocument::dispatchScrollEvent() 67 { 68 ExceptionCode ec = 0; 69 RefPtr<Event> event = createEvent("SVGEvents", ec); 70 event->initEvent(eventNames().scrollEvent, true, false); 71 rootElement()->dispatchEvent(event.release(), ec); 72 } 73 74 bool SVGDocument::zoomAndPanEnabled() const 75 { 76 if (rootElement()) { 77 if (rootElement()->useCurrentView()) { 78 if (rootElement()->currentView()) 79 return rootElement()->currentView()->zoomAndPan() == SVGZoomAndPan::SVG_ZOOMANDPAN_MAGNIFY; 80 } else 81 return rootElement()->zoomAndPan() == SVGZoomAndPan::SVG_ZOOMANDPAN_MAGNIFY; 82 } 83 84 return false; 85 } 86 87 void SVGDocument::startPan(const FloatPoint& start) 88 { 89 if (rootElement()) 90 m_translate = FloatPoint(start.x() - rootElement()->currentTranslate().x(), rootElement()->currentTranslate().y() + start.y()); 91 } 92 93 void SVGDocument::updatePan(const FloatPoint& pos) const 94 { 95 if (rootElement()) { 96 rootElement()->setCurrentTranslate(FloatPoint(pos.x() - m_translate.x(), m_translate.y() - pos.y())); 97 if (renderer()) 98 renderer()->repaint(); 99 } 100 } 101 102 bool SVGDocument::childShouldCreateRenderer(Node* node) const 103 { 104 if (node->hasTagName(SVGNames::svgTag)) 105 return static_cast<SVGSVGElement*>(node)->isValid(); 106 return true; 107 } 108 109 } 110 111 // vim:ts=4:noet 112 #endif // ENABLE(SVG) 113