/* * Copyright (C) 2012 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef PseudoElement_h #define PseudoElement_h #include "Element.h" #include "Event.h" #include "RenderStyle.h" #include <wtf/Forward.h> namespace WebCore { class PseudoElement FINAL : public Element { public: static PassRefPtr<PseudoElement> create(Element* parent, PseudoId pseudoId) { return adoptRef(new PseudoElement(parent, pseudoId)); } ~PseudoElement(); virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE; virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; virtual bool rendererIsNeeded(const NodeRenderingContext&) OVERRIDE; // As per http://dev.w3.org/csswg/css3-regions/#flow-into, pseudo-elements such as ::first-line, ::first-letter, ::before or ::after // cannot be directly collected into a named flow. virtual bool shouldMoveToFlowThread(RenderStyle*) const OVERRIDE { return false; } virtual bool canStartSelection() const OVERRIDE { return false; } virtual bool canContainRangeEndPoint() const OVERRIDE { return false; } static String pseudoElementNameForEvents(PseudoId); private: PseudoElement(Element*, PseudoId); virtual void didRecalcStyle(StyleChange) OVERRIDE; virtual PseudoId customPseudoId() const OVERRIDE { return m_pseudoId; } PseudoId m_pseudoId; }; const QualifiedName& pseudoElementTagName(); inline bool pseudoElementRendererIsNeeded(const RenderStyle* style) { return style && style->display() != NONE && (style->contentData() || !style->regionThread().isEmpty()); } } // namespace #endif