#ifndef SVGUseElement_h
#define SVGUseElement_h
#if ENABLE(SVG)
#include "SVGAnimatedBoolean.h"
#include "SVGAnimatedLength.h"
#include "SVGExternalResourcesRequired.h"
#include "SVGLangSpace.h"
#include "SVGStyledTransformableElement.h"
#include "SVGTests.h"
#include "SVGURIReference.h"
namespace WebCore {
class SVGElementInstance;
class SVGShadowTreeRootElement;
class SVGUseElement : public SVGStyledTransformableElement,
public SVGTests,
public SVGLangSpace,
public SVGExternalResourcesRequired,
public SVGURIReference {
public:
static PassRefPtr<SVGUseElement> create(const QualifiedName&, Document*);
SVGElementInstance* instanceRoot() const;
SVGElementInstance* animatedInstanceRoot() const;
SVGElementInstance* instanceForShadowTreeElement(Node*) const;
void invalidateShadowTree();
RenderObject* rendererClipChild() const;
private:
SVGUseElement(const QualifiedName&, Document*);
virtual bool isValid() const { return SVGTests::isValid(); }
virtual void insertedIntoDocument();
virtual void removedFromDocument();
virtual void buildPendingResource();
virtual void parseMappedAttribute(Attribute*);
virtual void svgAttributeChanged(const QualifiedName&);
virtual void synchronizeProperty(const QualifiedName&);
virtual void fillAttributeToPropertyTypeMap();
virtual AttributeToPropertyTypeMap& attributeToPropertyTypeMap();
virtual void recalcStyle(StyleChange = NoChange);
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
virtual void attach();
virtual void detach();
virtual void toClipPath(Path&) const;
static void removeDisallowedElementsFromSubtree(Node* element);
void setUpdatesBlocked(bool blocked) { m_updatesBlocked = blocked; }
friend class RenderSVGShadowTreeRootContainer;
void buildShadowAndInstanceTree(SVGShadowTreeRootElement*);
void detachInstance();
virtual bool selfHasRelativeLengths() const;
void buildInstanceTree(SVGElement* target, SVGElementInstance* targetInstance, bool& foundCycle);
bool hasCycleUseReferencing(SVGUseElement*, SVGElementInstance* targetInstance, SVGElement*& newTarget);
void buildShadowTree(SVGShadowTreeRootElement*, SVGElement* target, SVGElementInstance* targetInstance);
#if ENABLE(SVG) && ENABLE(SVG_USE)
void expandUseElementsInShadowTree(Node* element);
void expandSymbolElementsInShadowTree(Node* element);
#endif
void associateInstancesWithShadowTreeElements(Node* target, SVGElementInstance* targetInstance);
SVGElementInstance* instanceForShadowTreeElement(Node* element, SVGElementInstance* instance) const;
void transferUseAttributesToReplacedElement(SVGElement* from, SVGElement* to) const;
void transferEventListenersToShadowTree(SVGElementInstance* target);
void updateContainerOffsets();
void updateContainerSizes();
DECLARE_ANIMATED_LENGTH(X, x)
DECLARE_ANIMATED_LENGTH(Y, y)
DECLARE_ANIMATED_LENGTH(Width, width)
DECLARE_ANIMATED_LENGTH(Height, height)
DECLARE_ANIMATED_STRING(Href, href)
DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
bool m_updatesBlocked;
bool m_needsShadowTreeRecreation;
String m_resourceId;
RefPtr<SVGElementInstance> m_targetElementInstance;
};
}
#endif
#endif