/* * Copyright (C) 2004, 2005 Nikolas Zimmermann * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis * Copyright (C) 2015 Apple Inc. All right reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "config.h" #include "SVGDocument.h" #include "SVGSVGElement.h" #include "SVGViewSpec.h" namespace WebCore { SVGDocument::SVGDocument(Frame* frame, const URL& url) : XMLDocument(frame, url, SVGDocumentClass) { } SVGSVGElement* SVGDocument::rootElement() const { Element* element = documentElement(); if (!is(element)) return nullptr; return downcast(element); } bool SVGDocument::zoomAndPanEnabled() const { auto* element = rootElement(); if (!element) return false; return (element->useCurrentView() ? element->currentView().zoomAndPan() : element->zoomAndPan()) == SVGZoomAndPanMagnify; } void SVGDocument::startPan(const FloatPoint& start) { auto* element = rootElement(); if (!element) return; m_panningOffset = start - element->currentTranslate(); } void SVGDocument::updatePan(const FloatPoint& position) const { auto* element = rootElement(); if (!element) return; element->setCurrentTranslate(position - m_panningOffset); } Ref SVGDocument::cloneDocumentWithoutChildren() const { return create(nullptr, url()); } }