1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef VisitedLinkProvider_h
27#define VisitedLinkProvider_h
28
29#include "RunLoop.h"
30#include "VisitedLinkTable.h"
31#include <WebCore/LinkHash.h>
32#include <wtf/Forward.h>
33#include <wtf/HashSet.h>
34
35namespace WebKit {
36
37class WebContext;
38
39class VisitedLinkProvider {
40    WTF_MAKE_NONCOPYABLE(VisitedLinkProvider);
41public:
42    explicit VisitedLinkProvider(WebContext*);
43
44    void addVisitedLink(WebCore::LinkHash);
45
46    void processDidFinishLaunching();
47    void processDidClose();
48
49private:
50    void pendingVisitedLinksTimerFired();
51
52    WebContext* m_context;
53    bool m_visitedLinksPopulated;
54    bool m_webProcessHasVisitedLinkState;
55
56    unsigned m_keyCount;
57    unsigned m_tableSize;
58    VisitedLinkTable m_table;
59
60    HashSet<WebCore::LinkHash, WebCore::LinkHashHash> m_pendingVisitedLinks;
61    RunLoop::Timer<VisitedLinkProvider> m_pendingVisitedLinksTimer;
62};
63
64} // namespace WebKit
65
66#endif // VisitedLinkProvider_h
67