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/*
* 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.
*/
#pragma once
#include "Element.h"
#include "RenderStyleConstants.h"
#include "SharedStringHash.h"
#include <wtf/CheckedPtr.h>
#include <wtf/HashSet.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakRef.h>
namespace WebCore {
class Document;
class VisitedLinkState final : public CanMakeCheckedPtr<VisitedLinkState> {
WTF_MAKE_TZONE_ALLOCATED(VisitedLinkState);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(VisitedLinkState);
public:
explicit VisitedLinkState(Document&);
void invalidateStyleForAllLinks();
void invalidateStyleForLink(SharedStringHash);
InsideLink determineLinkState(const Element&);
private:
InsideLink determineLinkStateSlowCase(const Element&);
WeakRef<Document, WeakPtrImplWithEventTargetData> m_document;
UncheckedKeyHashSet<SharedStringHash, SharedStringHashHash> m_linksCheckedForVisitedState;
};
inline InsideLink VisitedLinkState::determineLinkState(const Element& element)
{
if (!element.isLink())
return InsideLink::NotInside;
return determineLinkStateSlowCase(element);
}
} // namespace WebCore
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