| /* |
| * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> |
| * |
| * 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 "core/svg/SVGDocument.h" |
| |
| #include "SVGNames.h" |
| #include "bindings/v8/ExceptionStatePlaceholder.h" |
| #include "core/dom/EventNames.h" |
| #include "core/page/FrameView.h" |
| #include "core/rendering/RenderView.h" |
| #include "core/svg/SVGElement.h" |
| #include "core/svg/SVGSVGElement.h" |
| #include "core/svg/SVGViewSpec.h" |
| #include "core/svg/SVGZoomAndPan.h" |
| #include "core/svg/SVGZoomEvent.h" |
| |
| namespace WebCore { |
| |
| SVGDocument::SVGDocument(const DocumentInit& initializer) |
| : Document(initializer, SVGDocumentClass) |
| { |
| ScriptWrappable::init(this); |
| } |
| |
| SVGSVGElement* SVGDocument::rootElement() const |
| { |
| Element* elem = documentElement(); |
| if (elem && elem->hasTagName(SVGNames::svgTag)) |
| return toSVGSVGElement(elem); |
| |
| return 0; |
| } |
| |
| void SVGDocument::dispatchZoomEvent(float prevScale, float newScale) |
| { |
| RefPtr<SVGZoomEvent> event = static_pointer_cast<SVGZoomEvent>(createEvent("SVGZoomEvents", IGNORE_EXCEPTION)); |
| event->initEvent(eventNames().zoomEvent, true, false); |
| event->setPreviousScale(prevScale); |
| event->setNewScale(newScale); |
| rootElement()->dispatchEvent(event.release(), IGNORE_EXCEPTION); |
| } |
| |
| void SVGDocument::dispatchScrollEvent() |
| { |
| RefPtr<Event> event = createEvent("SVGEvents", IGNORE_EXCEPTION); |
| event->initEvent(eventNames().scrollEvent, true, false); |
| rootElement()->dispatchEvent(event.release(), IGNORE_EXCEPTION); |
| } |
| |
| bool SVGDocument::zoomAndPanEnabled() const |
| { |
| if (SVGSVGElement* svg = rootElement()) { |
| if (svg->useCurrentView()) { |
| if (svg->currentView()) |
| return svg->currentView()->zoomAndPan() == SVGZoomAndPanMagnify; |
| } else { |
| return svg->zoomAndPan() == SVGZoomAndPanMagnify; |
| } |
| } |
| |
| return false; |
| } |
| |
| void SVGDocument::startPan(const FloatPoint& start) |
| { |
| if (SVGSVGElement* svg = rootElement()) |
| m_translate = FloatPoint(start.x() - svg->currentTranslate().x(), start.y() - svg->currentTranslate().y()); |
| } |
| |
| void SVGDocument::updatePan(const FloatPoint& pos) const |
| { |
| if (SVGSVGElement* svg = rootElement()) { |
| svg->setCurrentTranslate(FloatPoint(pos.x() - m_translate.x(), pos.y() - m_translate.y())); |
| if (renderer()) |
| renderer()->repaint(); |
| } |
| } |
| |
| bool SVGDocument::childShouldCreateRenderer(const Node& child) const |
| { |
| if (child.hasTagName(SVGNames::svgTag)) |
| return toSVGSVGElement(&child)->isValid(); |
| return true; |
| } |
| |
| } |