/* * Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #if ENABLE(SVG) #include "SVGResource.h" #include "RenderPath.h" #include "SVGElement.h" #include "SVGStyledElement.h" #include <wtf/HashSet.h> #include <wtf/StdLibExtras.h> namespace WebCore { typedef HashSet<SVGResource*> ResourceSet; static ResourceSet& resourceSet() { DEFINE_STATIC_LOCAL(ResourceSet, set, ()); return set; } SVGResource::SVGResource() { ASSERT(!resourceSet().contains(this)); resourceSet().add(this); } SVGResource::~SVGResource() { ASSERT(resourceSet().contains(this)); resourceSet().remove(this); } void SVGResource::invalidate() { HashSet<SVGStyledElement*>::const_iterator it = m_clients.begin(); const HashSet<SVGStyledElement*>::const_iterator end = m_clients.end(); for (; it != end; ++it) { SVGStyledElement* cur = *it; if (cur->renderer()) cur->renderer()->setNeedsLayout(true); cur->invalidateResourcesInAncestorChain(); } } void SVGResource::invalidateClients(HashSet<SVGStyledElement*> clients) { HashSet<SVGStyledElement*>::const_iterator it = clients.begin(); const HashSet<SVGStyledElement*>::const_iterator end = clients.end(); for (; it != end; ++it) { SVGStyledElement* cur = *it; if (cur->renderer()) cur->renderer()->setNeedsLayout(true); cur->invalidateResourcesInAncestorChain(); } } void SVGResource::removeClient(SVGStyledElement* item) { ResourceSet::iterator it = resourceSet().begin(); ResourceSet::iterator end = resourceSet().end(); for (; it != end; ++it) { SVGResource* resource = *it; if (!resource->m_clients.contains(item)) continue; resource->m_clients.remove(item); } } void SVGResource::addClient(SVGStyledElement* item) { if (m_clients.contains(item)) return; m_clients.add(item); } TextStream& SVGResource::externalRepresentation(TextStream& ts) const { return ts; } SVGResource* getResourceById(Document* document, const AtomicString& id, const RenderObject* object) { if (id.isEmpty()) return 0; Element* element = document->getElementById(id); SVGElement* svgElement = 0; if (element && element->isSVGElement()) svgElement = static_cast<SVGElement*>(element); if (svgElement && svgElement->isStyled()) return static_cast<SVGStyledElement*>(svgElement)->canvasResource(object); return 0; } TextStream& operator<<(TextStream& ts, const SVGResource& r) { return r.externalRepresentation(ts); } } #endif