RenderSVGResourceContainer.h [plain text]
#pragma once
#include "RenderSVGHiddenContainer.h"
#include "RenderSVGResource.h"
#include "SVGDocumentExtensions.h"
namespace WebCore {
class RenderLayer;
class RenderSVGResourceContainer : public RenderSVGHiddenContainer,
public RenderSVGResource {
public:
virtual ~RenderSVGResourceContainer();
void layout() override;
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) final;
bool isSVGResourceContainer() const final { return true; }
static bool shouldTransformOnTextPainting(const RenderElement&, AffineTransform&);
static AffineTransform transformOnNonScalingStroke(RenderObject*, const AffineTransform& resourceTransform);
void idChanged();
void addClientRenderLayer(RenderLayer*);
void removeClientRenderLayer(RenderLayer*);
protected:
RenderSVGResourceContainer(SVGElement&, RenderStyle&&);
enum InvalidationMode {
LayoutAndBoundariesInvalidation,
BoundariesInvalidation,
RepaintInvalidation,
ParentOnlyInvalidation
};
virtual bool selfNeedsClientInvalidation() const { return everHadLayout() && selfNeedsLayout(); }
void markAllClientsForInvalidation(InvalidationMode);
void markAllClientLayersForInvalidation();
void markClientForInvalidation(RenderObject&, InvalidationMode);
private:
friend class SVGResourcesCache;
void addClient(RenderElement&);
void removeClient(RenderElement&);
void willBeDestroyed() final;
void registerResource();
AtomicString m_id;
bool m_registered : 1;
bool m_isInvalidating : 1;
HashSet<RenderElement*> m_clients;
HashSet<RenderLayer*> m_clientLayers;
};
inline RenderSVGResourceContainer* getRenderSVGResourceContainerById(Document& document, const AtomicString& id)
{
if (id.isEmpty())
return nullptr;
if (RenderSVGResourceContainer* renderResource = document.accessSVGExtensions().resourceById(id))
return renderResource;
return nullptr;
}
template<typename Renderer>
Renderer* getRenderSVGResourceById(Document& document, const AtomicString& id)
{
RenderSVGResource* container = getRenderSVGResourceContainerById(document, id);
if (is<Renderer>(container))
return downcast<Renderer>(container);
return nullptr;
}
}
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGResourceContainer, isSVGResourceContainer())