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 ThreadLauncher_h
27#define ThreadLauncher_h
28
29#include "Connection.h"
30#include "PlatformProcessIdentifier.h"
31#include <wtf/RefPtr.h>
32#include <wtf/Threading.h>
33
34#if PLATFORM(QT)
35class QLocalSocket;
36#endif
37
38namespace WebKit {
39
40class ThreadLauncher : public ThreadSafeRefCounted<ThreadLauncher> {
41public:
42    class Client {
43    public:
44        virtual ~Client() { }
45        virtual void didFinishLaunching(ThreadLauncher*, CoreIPC::Connection::Identifier) = 0;
46    };
47
48    static PassRefPtr<ThreadLauncher> create(Client* client)
49    {
50        return adoptRef(new ThreadLauncher(client));
51    }
52
53    bool isLaunching() const { return m_isLaunching; }
54
55    void invalidate();
56
57private:
58    explicit ThreadLauncher(Client*);
59
60    void launchThread();
61    void didFinishLaunchingThread(CoreIPC::Connection::Identifier);
62
63    static CoreIPC::Connection::Identifier createWebThread();
64
65    bool m_isLaunching;
66    Client* m_client;
67};
68
69} // namespace WebKit
70
71#endif // ThreadLauncher_h
72