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 | #pragma once |
30 | |
31 | #include "Element.h" |
32 | #include "RenderStyleConstants.h" |
33 | #include "SharedStringHash.h" |
34 | #include <wtf/HashSet.h> |
35 | |
36 | namespace WebCore { |
37 | |
38 | class Document; |
39 | |
40 | class VisitedLinkState { |
41 | WTF_MAKE_FAST_ALLOCATED; |
42 | public: |
43 | explicit VisitedLinkState(Document&); |
44 | |
45 | void invalidateStyleForAllLinks(); |
46 | void invalidateStyleForLink(SharedStringHash); |
47 | InsideLink determineLinkState(const Element&); |
48 | |
49 | private: |
50 | InsideLink determineLinkStateSlowCase(const Element&); |
51 | |
52 | Document& m_document; |
53 | HashSet<SharedStringHash, SharedStringHashHash> m_linksCheckedForVisitedState; |
54 | }; |
55 | |
56 | inline InsideLink VisitedLinkState::determineLinkState(const Element& element) |
57 | { |
58 | if (!element.isLink()) |
59 | return InsideLink::NotInside; |
60 | return determineLinkStateSlowCase(element); |
61 | } |
62 | |
63 | } // namespace WebCore |
64 | |