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27 #ifndef PseudoElement_h
28 #define PseudoElement_h
32 #include "RenderStyle.h"
33 #include <wtf/Forward.h>
37 class PseudoElement : public Element {
39 static PassRefPtr<PseudoElement> create(Element* parent, PseudoId pseudoId)
41 return adoptRef(new PseudoElement(parent, pseudoId));
45 virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
46 virtual void attach() OVERRIDE;
47 virtual bool rendererIsNeeded(const NodeRenderingContext&) OVERRIDE;
49 // As per http://dev.w3.org/csswg/css3-regions/#flow-into, pseudo-elements such as ::first-line, ::first-letter, ::before or ::after
50 // cannot be directly collected into a named flow.
51 virtual bool moveToFlowThreadIsNeeded(RefPtr<RenderStyle>& cachedStyle) OVERRIDE
53 UNUSED_PARAM(cachedStyle);
57 virtual bool canStartSelection() const OVERRIDE { return false; }
58 virtual bool canContainRangeEndPoint() const OVERRIDE { return false; }
60 static String pseudoElementNameForEvents(PseudoId);
63 PseudoElement(Element*, PseudoId);
65 virtual void didRecalcStyle(StyleChange) OVERRIDE;
66 virtual PseudoId customPseudoId() const OVERRIDE { return m_pseudoId; }
71 const QualifiedName& pseudoElementTagName();
73 inline bool pseudoElementRendererIsNeeded(const RenderStyle* style)
75 return style && style->display() != NONE && (style->contentData() || !style->regionThread().isEmpty());