#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