/* * 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 <wtf/Forward.h> namespace WebCore { class PseudoElement final : public Element { public: static Ref<PseudoElement> create(Element& host, PseudoId pseudoId) { return adoptRef(*new PseudoElement(host, pseudoId)); } virtual ~PseudoElement(); Element* hostElement() const { return m_hostElement; } void clearHostElement(); Optional<ElementStyle> resolveCustomStyle(const RenderStyle& parentStyle, const RenderStyle* shadowHostStyle) override; void didAttachRenderers() override; void didRecalcStyle(Style::Change) override; bool rendererIsNeeded(const RenderStyle&) 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. #if ENABLE(CSS_REGIONS) bool shouldMoveToFlowThread(const RenderStyle&) const override { return false; } #endif bool canStartSelection() const override { return false; } bool canContainRangeEndPoint() const override { return false; } static String pseudoElementNameForEvents(PseudoId); private: PseudoElement(Element&, PseudoId); PseudoId customPseudoId() const override { return m_pseudoId; } Element* m_hostElement; PseudoId m_pseudoId; }; const QualifiedName& pseudoElementTagName(); } // namespace WebCore SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::PseudoElement) static bool isType(const WebCore::Node& node) { return node.isPseudoElement(); } SPECIALIZE_TYPE_TRAITS_END() #endif