This source file includes following definitions.
- filterInfoForRenderLayer
- createFilterInfoForRenderLayerIfNeeded
- removeFilterInfoForRenderLayer
- setRenderer
- notifyFinished
- updateReferenceFilterClients
- removeReferenceFilterClients
#include "config.h"
#include "core/rendering/RenderLayerFilterInfo.h"
#include "core/fetch/DocumentResourceReference.h"
#include "core/rendering/FilterEffectRenderer.h"
#include "core/rendering/RenderLayer.h"
#include "core/rendering/svg/ReferenceFilterBuilder.h"
#include "core/rendering/svg/RenderSVGResourceContainer.h"
#include "core/svg/SVGFilterElement.h"
#include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
#include "core/svg/graphics/filters/SVGFilter.h"
namespace WebCore {
RenderLayerFilterInfoMap* RenderLayerFilterInfo::s_filterMap = 0;
RenderLayerFilterInfo* RenderLayerFilterInfo::filterInfoForRenderLayer(const RenderLayer* layer)
{
if (!s_filterMap)
return 0;
RenderLayerFilterInfoMap::iterator iter = s_filterMap->find(layer);
return (iter != s_filterMap->end()) ? iter->value : 0;
}
RenderLayerFilterInfo* RenderLayerFilterInfo::createFilterInfoForRenderLayerIfNeeded(RenderLayer* layer)
{
if (!s_filterMap)
s_filterMap = new RenderLayerFilterInfoMap();
RenderLayerFilterInfoMap::iterator iter = s_filterMap->find(layer);
if (iter != s_filterMap->end()) {
ASSERT(layer->hasFilterInfo());
return iter->value;
}
RenderLayerFilterInfo* filter = new RenderLayerFilterInfo(layer);
s_filterMap->set(layer, filter);
layer->setHasFilterInfo(true);
return filter;
}
void RenderLayerFilterInfo::removeFilterInfoForRenderLayer(RenderLayer* layer)
{
if (!s_filterMap)
return;
RenderLayerFilterInfo* filter = s_filterMap->take(layer);
if (s_filterMap->isEmpty()) {
delete s_filterMap;
s_filterMap = 0;
}
if (!filter) {
ASSERT(!layer->hasFilterInfo());
return;
}
layer->setHasFilterInfo(false);
delete filter;
}
RenderLayerFilterInfo::RenderLayerFilterInfo(RenderLayer* layer)
: m_layer(layer)
{
}
RenderLayerFilterInfo::~RenderLayerFilterInfo()
{
removeReferenceFilterClients();
}
void RenderLayerFilterInfo::setRenderer(PassRefPtr<FilterEffectRenderer> renderer)
{
m_renderer = renderer;
}
void RenderLayerFilterInfo::notifyFinished(Resource*)
{
RenderObject* renderer = m_layer->renderer();
toElement(renderer->node())->scheduleLayerUpdate();
renderer->repaint();
}
void RenderLayerFilterInfo::updateReferenceFilterClients(const FilterOperations& operations)
{
removeReferenceFilterClients();
for (size_t i = 0; i < operations.size(); ++i) {
RefPtr<FilterOperation> filterOperation = operations.operations().at(i);
if (filterOperation->type() != FilterOperation::REFERENCE)
continue;
ReferenceFilterOperation* referenceFilterOperation = toReferenceFilterOperation(filterOperation.get());
DocumentResourceReference* documentReference = ReferenceFilterBuilder::documentResourceReference(referenceFilterOperation);
DocumentResource* cachedSVGDocument = documentReference ? documentReference->document() : 0;
if (cachedSVGDocument) {
cachedSVGDocument->addClient(this);
m_externalSVGReferences.append(cachedSVGDocument);
} else {
Element* filter = m_layer->renderer()->node()->document().getElementById(referenceFilterOperation->fragment());
if (!isSVGFilterElement(filter))
continue;
if (filter->renderer())
toRenderSVGResourceContainer(filter->renderer())->addClientRenderLayer(m_layer);
else
toSVGFilterElement(filter)->addClient(m_layer->renderer()->node());
m_internalSVGReferences.append(filter);
}
}
}
void RenderLayerFilterInfo::removeReferenceFilterClients()
{
for (size_t i = 0; i < m_externalSVGReferences.size(); ++i)
m_externalSVGReferences.at(i)->removeClient(this);
m_externalSVGReferences.clear();
for (size_t i = 0; i < m_internalSVGReferences.size(); ++i) {
Element* filter = m_internalSVGReferences.at(i).get();
if (filter->renderer())
toRenderSVGResourceContainer(filter->renderer())->removeClientRenderLayer(m_layer);
else
toSVGFilterElement(filter)->removeClient(m_layer->renderer()->node());
}
m_internalSVGReferences.clear();
}
}