#ifndef SVGResources_h
#define SVGResources_h
#include "RenderSVGResourceMarker.h"
#include <memory>
#include <wtf/HashSet.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class Document;
class RenderElement;
class RenderObject;
class RenderStyle;
class RenderSVGResourceClipper;
class RenderSVGResourceContainer;
class RenderSVGResourceFilter;
class RenderSVGResourceMarker;
class RenderSVGResourceMasker;
class RenderSVGRoot;
class SVGRenderStyle;
class SVGResources {
WTF_MAKE_NONCOPYABLE(SVGResources); WTF_MAKE_FAST_ALLOCATED;
public:
SVGResources();
bool buildCachedResources(const RenderElement&, const RenderStyle&);
void layoutDifferentRootIfNeeded(const RenderSVGRoot*);
RenderSVGResourceClipper* clipper() const { return m_clipperFilterMaskerData ? m_clipperFilterMaskerData->clipper : nullptr; }
RenderSVGResourceMarker* markerStart() const { return m_markerData ? m_markerData->markerStart : nullptr; }
RenderSVGResourceMarker* markerMid() const { return m_markerData ? m_markerData->markerMid : nullptr; }
RenderSVGResourceMarker* markerEnd() const { return m_markerData ? m_markerData->markerEnd : nullptr; }
bool markerReverseStart() const;
RenderSVGResourceMasker* masker() const { return m_clipperFilterMaskerData ? m_clipperFilterMaskerData->masker : nullptr; }
RenderSVGResourceFilter* filter() const { return m_clipperFilterMaskerData ? m_clipperFilterMaskerData->filter : nullptr; }
RenderSVGResourceContainer* fill() const { return m_fillStrokeData ? m_fillStrokeData->fill : nullptr; }
RenderSVGResourceContainer* stroke() const { return m_fillStrokeData ? m_fillStrokeData->stroke : nullptr; }
RenderSVGResourceContainer* linkedResource() const { return m_linkedResource; }
void buildSetOfResources(HashSet<RenderSVGResourceContainer*>&);
void removeClientFromCache(RenderElement&, bool markForInvalidation = true) const;
void resourceDestroyed(RenderSVGResourceContainer&);
#if ENABLE(TREE_DEBUGGING)
void dump(const RenderObject*);
#endif
private:
friend class SVGResourcesCycleSolver;
void resetClipper();
void resetFilter();
void resetMarkerStart();
void resetMarkerMid();
void resetMarkerEnd();
void resetMasker();
void resetFill();
void resetStroke();
void resetLinkedResource();
private:
bool setClipper(RenderSVGResourceClipper*);
bool setFilter(RenderSVGResourceFilter*);
bool setMarkerStart(RenderSVGResourceMarker*);
bool setMarkerMid(RenderSVGResourceMarker*);
bool setMarkerEnd(RenderSVGResourceMarker*);
bool setMasker(RenderSVGResourceMasker*);
bool setFill(RenderSVGResourceContainer*);
bool setStroke(RenderSVGResourceContainer*);
bool setLinkedResource(RenderSVGResourceContainer*);
struct ClipperFilterMaskerData {
WTF_MAKE_FAST_ALLOCATED;
public:
ClipperFilterMaskerData()
: clipper(0)
, filter(0)
, masker(0)
{
}
RenderSVGResourceClipper* clipper;
RenderSVGResourceFilter* filter;
RenderSVGResourceMasker* masker;
};
struct MarkerData {
WTF_MAKE_FAST_ALLOCATED;
public:
MarkerData()
: markerStart(0)
, markerMid(0)
, markerEnd(0)
{
}
RenderSVGResourceMarker* markerStart;
RenderSVGResourceMarker* markerMid;
RenderSVGResourceMarker* markerEnd;
};
struct FillStrokeData {
WTF_MAKE_FAST_ALLOCATED;
public:
FillStrokeData()
: fill(0)
, stroke(0)
{
}
RenderSVGResourceContainer* fill;
RenderSVGResourceContainer* stroke;
};
std::unique_ptr<ClipperFilterMaskerData> m_clipperFilterMaskerData;
std::unique_ptr<MarkerData> m_markerData;
std::unique_ptr<FillStrokeData> m_fillStrokeData;
RenderSVGResourceContainer* m_linkedResource;
};
}
#endif