1/*
2 * Copyright (C) 2014 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#pragma once
27
28#include <wtf/Forward.h>
29#include <wtf/HashSet.h>
30#include <wtf/RefCounted.h>
31
32namespace WebCore {
33
34typedef uint64_t SharedStringHash;
35class Page;
36
37class VisitedLinkStore : public RefCounted<VisitedLinkStore> {
38public:
39 WEBCORE_EXPORT VisitedLinkStore();
40 WEBCORE_EXPORT virtual ~VisitedLinkStore();
41
42 // FIXME: These two members should only take the link hash.
43 virtual bool isLinkVisited(Page&, SharedStringHash, const URL& baseURL, const AtomicString& attributeURL) = 0;
44 virtual void addVisitedLink(Page&, SharedStringHash) = 0;
45
46 void addPage(Page&);
47 void removePage(Page&);
48
49 WEBCORE_EXPORT void invalidateStylesForAllLinks();
50 WEBCORE_EXPORT void invalidateStylesForLink(SharedStringHash);
51
52private:
53 HashSet<Page*> m_pages;
54};
55
56} // namespace WebCore
57