1/*
2 * Copyright (C) 2010-2017 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 "APIObject.h"
29#include "MessageReceiver.h"
30#include "SharedStringHashStore.h"
31#include "WebPageProxy.h"
32#include "WebProcessLifetimeObserver.h"
33#include <wtf/Forward.h>
34#include <wtf/HashSet.h>
35#include <wtf/Identified.h>
36#include <wtf/RefCounted.h>
37
38namespace WebKit {
39
40class WebPageProxy;
41class WebProcessProxy;
42
43class VisitedLinkStore final : public API::ObjectImpl<API::Object::Type::VisitedLinkStore>, private IPC::MessageReceiver, public WebProcessLifetimeObserver, public Identified<VisitedLinkStore>, private SharedStringHashStore::Client {
44public:
45 static Ref<VisitedLinkStore> create();
46
47 explicit VisitedLinkStore();
48 virtual ~VisitedLinkStore();
49
50 void addProcess(WebProcessProxy&);
51 void removeProcess(WebProcessProxy&);
52
53 void addVisitedLinkHash(WebCore::SharedStringHash);
54 bool containsVisitedLinkHash(WebCore::SharedStringHash);
55 void removeVisitedLinkHash(WebCore::SharedStringHash);
56 void removeAll();
57
58private:
59 // IPC::MessageReceiver
60 void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
61
62 // WebProcessLifetimeObserver
63 void webProcessWillOpenConnection(WebProcessProxy&, IPC::Connection&) final;
64 void webProcessDidCloseConnection(WebProcessProxy&, IPC::Connection&) final;
65
66 // SharedStringHashStore::Client
67 void didInvalidateSharedMemory() final;
68 void didUpdateSharedStringHashes(const Vector<WebCore::SharedStringHash>& addedHashes, const Vector<WebCore::SharedStringHash>& removedHashes) final;
69
70 void addVisitedLinkHashFromPage(WebCore::PageIdentifier, WebCore::SharedStringHash);
71
72 void sendStoreHandleToProcess(WebProcessProxy&);
73
74 HashSet<WebProcessProxy*> m_processes;
75 SharedStringHashStore m_linkHashStore;
76};
77
78} // namespace WebKit
79