#ifndef SVGElement_h
#define SVGElement_h
#include "CSSPropertyNames.h"
#include "SVGAnimatedString.h"
#include "SVGElementTypeHelpers.h"
#include "SVGLangSpace.h"
#include "SVGLocatable.h"
#include "SVGParsingError.h"
#include "SVGPropertyInfo.h"
#include "StyledElement.h"
#include "Timer.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
namespace WebCore {
class AffineTransform;
class CSSCursorImageValue;
class CSSStyleDeclaration;
class CSSValue;
class Document;
class SVGAttributeToPropertyMap;
class SVGCursorElement;
class SVGDocumentExtensions;
class SVGElementInstance;
class SVGElementRareData;
class SVGSVGElement;
void mapAttributeToCSSProperty(HashMap<AtomicStringImpl*, CSSPropertyID>* propertyNameToIdMap, const QualifiedName& attrName);
class SVGElement : public StyledElement, public SVGLangSpace {
public:
bool isOutermostSVGSVGElement() const;
String xmlbase() const;
void setXmlbase(const String&, ExceptionCode&);
SVGSVGElement* ownerSVGElement() const;
SVGElement* viewportElement() const;
virtual String title() const override;
static bool isAnimatableCSSProperty(const QualifiedName&);
bool isKnownAttribute(const QualifiedName&);
PassRefPtr<CSSValue> getPresentationAttribute(const String& name);
virtual bool supportsMarkers() const { return false; }
bool hasRelativeLengths() const { return !m_elementsWithRelativeLengths.isEmpty(); }
virtual bool needsPendingResourceHandling() const { return true; }
bool instanceUpdatesBlocked() const;
void setInstanceUpdatesBlocked(bool);
virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope) const;
SVGDocumentExtensions* accessDocumentSVGExtensions();
virtual bool isSVGGraphicsElement() const { return false; }
virtual bool isFilterEffect() const { return false; }
virtual bool isGradientStop() const { return false; }
virtual bool isTextContent() const { return false; }
virtual bool isSMILElement() const { return false; }
virtual bool isValid() const { return true; }
virtual void svgAttributeChanged(const QualifiedName&);
virtual void animatedPropertyTypeForAttribute(const QualifiedName&, Vector<AnimatedPropertyType>&);
void sendSVGLoadEventIfPossible(bool sendParentLoadEvents = false);
void sendSVGLoadEventIfPossibleAsynchronously();
void svgLoadEventTimerFired(Timer<SVGElement>*);
virtual Timer<SVGElement>* svgLoadEventTimer();
virtual AffineTransform* supplementalTransform() { return 0; }
void invalidateSVGAttributes() { ensureUniqueElementData().setAnimatedSVGAttributesAreDirty(true); }
void invalidateSVGPresentationAttributeStyle() { ensureUniqueElementData().setPresentationAttributeStyleIsDirty(true); }
const HashSet<SVGElementInstance*>& instancesForElement() const;
bool getBoundingBox(FloatRect&, SVGLocatable::StyleUpdateStrategy = SVGLocatable::AllowStyleUpdate);
void setCursorElement(SVGCursorElement*);
void cursorElementRemoved();
void setCursorImageValue(CSSCursorImageValue*);
void cursorImageValueRemoved();
SVGElement* correspondingElement();
void setCorrespondingElement(SVGElement*);
void synchronizeAnimatedSVGAttribute(const QualifiedName&) const;
static void synchronizeAllAnimatedSVGAttribute(SVGElement*);
virtual PassRefPtr<RenderStyle> customStyleForRenderer(RenderStyle& parentStyle) override;
static void synchronizeRequiredFeatures(SVGElement* contextElement);
static void synchronizeRequiredExtensions(SVGElement* contextElement);
static void synchronizeSystemLanguage(SVGElement* contextElement);
virtual void synchronizeRequiredFeatures() { }
virtual void synchronizeRequiredExtensions() { }
virtual void synchronizeSystemLanguage() { }
static QualifiedName animatableAttributeForName(const AtomicString&);
#ifndef NDEBUG
bool isAnimatableAttribute(const QualifiedName&) const;
#endif
MutableStyleProperties* animatedSMILStyleProperties() const;
MutableStyleProperties& ensureAnimatedSMILStyleProperties();
void setUseOverrideComputedStyle(bool);
virtual bool haveLoadedRequiredResources();
virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture) override;
virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture) override;
bool hasFocusEventListeners() const;
#if ENABLE(CSS_REGIONS)
virtual bool shouldMoveToFlowThread(const RenderStyle&) const override;
#endif
bool hasTagName(const SVGQualifiedName& name) const { return hasLocalName(name.localName()); }
virtual short tabIndex() const override;
void callClearTarget() { clearTarget(); }
protected:
SVGElement(const QualifiedName&, Document&);
virtual ~SVGElement();
virtual bool isMouseFocusable() const override;
virtual bool supportsFocus() const override { return false; }
virtual bool rendererIsNeeded(const RenderStyle&) override;
virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
virtual void finishParsingChildren() override;
virtual void attributeChanged(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue, AttributeModificationReason = ModifiedDirectly) override;
virtual bool childShouldCreateRenderer(const Node&) const override;
SVGElementRareData& ensureSVGRareData();
void reportAttributeParsingError(SVGParsingError, const QualifiedName&, const AtomicString&);
static CSSPropertyID cssPropertyIdForSVGAttributeName(const QualifiedName&);
virtual bool isPresentationAttribute(const QualifiedName&) const override;
virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) override;
virtual InsertionNotificationRequest insertedInto(ContainerNode&) override;
virtual void removedFrom(ContainerNode&) override;
virtual void childrenChanged(const ChildChange&) override;
virtual bool selfHasRelativeLengths() const { return false; }
void updateRelativeLengthsInformation() { updateRelativeLengthsInformation(selfHasRelativeLengths(), this); }
void updateRelativeLengthsInformation(bool hasRelativeLengths, SVGElement*);
private:
friend class SVGElementInstance;
virtual RenderStyle* computedStyle(PseudoId = NOPSEUDO) override final;
virtual bool willRecalcStyle(Style::Change) override;
virtual bool isSupported(StringImpl* feature, StringImpl* version) const;
virtual void clearTarget() { }
void mapInstanceToElement(SVGElementInstance*);
void removeInstanceMapping(SVGElementInstance*);
void buildPendingResourcesIfNeeded();
virtual void accessKeyAction(bool sendMouseEvents) override;
#ifndef NDEBUG
virtual bool filterOutAnimatableAttribute(const QualifiedName&) const;
#endif
std::unique_ptr<SVGElementRareData> m_svgRareData;
HashSet<SVGElement*> m_elementsWithRelativeLengths;
BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGElement)
DECLARE_ANIMATED_STRING(ClassName, className)
END_DECLARE_ANIMATED_PROPERTIES
};
struct SVGAttributeHashTranslator {
static unsigned hash(const QualifiedName& key)
{
if (key.hasPrefix()) {
QualifiedNameComponents components = { nullAtom.impl(), key.localName().impl(), key.namespaceURI().impl() };
return hashComponents(components);
}
return DefaultHash<QualifiedName>::Hash::hash(key);
}
static bool equal(const QualifiedName& a, const QualifiedName& b) { return a.matches(b); }
};
void isSVGElement(const SVGElement&); inline bool isSVGElement(const Node& node) { return node.isSVGElement(); }
template <> inline bool isElementOfType<const SVGElement>(const Element& element) { return element.isSVGElement(); }
NODE_TYPE_CASTS(SVGElement)
inline bool Node::hasTagName(const SVGQualifiedName& name) const
{
return isSVGElement() && toSVGElement(*this).hasTagName(name);
}
}
#endif