1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) 4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) 5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> 7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> 8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. 10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. 11 * Copyright (C) 2012 Google Inc. All rights reserved. 12 * 13 * This library is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU Library General Public 15 * License as published by the Free Software Foundation; either 16 * version 2 of the License, or (at your option) any later version. 17 * 18 * This library is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 * Library General Public License for more details. 22 * 23 * You should have received a copy of the GNU Library General Public License 24 * along with this library; see the file COPYING.LIB. If not, write to 25 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 26 * Boston, MA 02110-1301, USA. 27 */ 28 29#ifndef VisitedLinkState_h 30#define VisitedLinkState_h 31 32#include "Element.h" 33#include "LinkHash.h" 34#include "RenderStyleConstants.h" 35#include "XLinkNames.h" 36#include <wtf/HashSet.h> 37#include <wtf/OwnPtr.h> 38 39namespace WebCore { 40 41class Document; 42 43class VisitedLinkState { 44 WTF_MAKE_FAST_ALLOCATED; 45public: 46 static PassOwnPtr<VisitedLinkState> create(Document*); 47 48 void invalidateStyleForAllLinks(); 49 void invalidateStyleForLink(LinkHash); 50 EInsideLink determineLinkState(Element*); 51 52private: 53 VisitedLinkState(Document*); 54 55 EInsideLink determineLinkStateSlowCase(Element*); 56 57 Document* m_document; 58 HashSet<LinkHash, LinkHashHash> m_linksCheckedForVisitedState; 59}; 60 61inline EInsideLink VisitedLinkState::determineLinkState(Element* element) 62{ 63 if (!element || !element->isLink()) 64 return NotInsideLink; 65 return determineLinkStateSlowCase(element); 66} 67 68} 69 70#endif 71 72