/* * Copyright (C) 1999 Lars Knoll (knoll@kde.org) * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) * Copyright (c) 2011, Code Aurora Forum. All rights reserved. * Copyright (C) Research In Motion Limited 2011. All rights reserved. * Copyright (C) 2012 Google Inc. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef VisitedLinkState_h #define VisitedLinkState_h #include "core/dom/Element.h" #include "core/rendering/style/RenderStyleConstants.h" #include "platform/LinkHash.h" #include "wtf/HashSet.h" namespace WebCore { class Document; class VisitedLinkState { WTF_MAKE_FAST_ALLOCATED; public: static PassOwnPtr<VisitedLinkState> create(const Document& document) { return adoptPtr(new VisitedLinkState(document)); } void invalidateStyleForAllLinks(); void invalidateStyleForLink(LinkHash); EInsideLink determineLinkState(const Element& element) { if (element.isLink()) return determineLinkStateSlowCase(element); return NotInsideLink; } private: explicit VisitedLinkState(const Document&); EInsideLink determineLinkStateSlowCase(const Element&); const Document& m_document; HashSet<LinkHash, LinkHashHash> m_linksCheckedForVisitedState; }; } #endif