1/*
2 * Copyright (C) 2010, 2012 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 SharedWorkerProcess_h
27#define SharedWorkerProcess_h
28
29#if ENABLE(SHARED_WORKER_PROCESS)
30
31#include "ChildProcess.h"
32#include <wtf/Forward.h>
33
34namespace WebKit {
35
36class WebProcessConnection;
37struct SharedWorkerProcessCreationParameters;
38
39class SharedWorkerProcess : public ChildProcess {
40    WTF_MAKE_NONCOPYABLE(SharedWorkerProcess);
41public:
42    static SharedWorkerProcess& shared();
43
44    void removeWebProcessConnection(WebProcessConnection*);
45
46private:
47    SharedWorkerProcess();
48    ~SharedWorkerProcess();
49
50    // ChildProcess
51    virtual void initializeProcess(const ChildProcessInitializationParameters&) OVERRIDE;
52    virtual void initializeProcessName(const ChildProcessInitializationParameters&) OVERRIDE;
53    virtual bool shouldTerminate() OVERRIDE;
54
55    // CoreIPC::Connection::Client
56    virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&);
57    virtual void didClose(CoreIPC::Connection*);
58    virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::StringReference messageReceiverName, CoreIPC::StringReference messageName) OVERRIDE;
59
60    // Message handlers.
61    void didReceiveSharedWorkerProcessMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&);
62    void initializeSharedWorkerProcess(const SharedWorkerProcessCreationParameters&);
63    void createWebProcessConnection();
64
65    void setMinimumLifetime(double);
66    void minimumLifetimeTimerFired();
67
68    // Our web process connections.
69    Vector<RefPtr<WebProcessConnection>> m_webProcessConnections;
70
71    WebCore::RunLoop::Timer<SharedWorkerProcess> m_minimumLifetimeTimer;
72};
73
74} // namespace WebKit
75
76#endif // ENABLE(SHARED_WORKER_PROCESS)
77
78#endif // SharedWorkerProcess_h
79