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 WebProcessLauncher_h
27#define WebProcessLauncher_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 ProcessLauncher : public ThreadSafeRefCounted<ProcessLauncher> {
41public:
42    class Client {
43    public:
44        virtual ~Client() { }
45
46        virtual void didFinishLaunching(ProcessLauncher*, CoreIPC::Connection::Identifier) = 0;
47    };
48
49    enum ProcessType {
50        WebProcess,
51        PluginProcess
52    };
53
54    struct LaunchOptions {
55        ProcessType processType;
56#if PLATFORM(MAC)
57        static const cpu_type_t MatchCurrentArchitecture = 0;
58        cpu_type_t architecture;
59        bool executableHeap;
60#endif
61    };
62
63    static PassRefPtr<ProcessLauncher> create(Client* client, const LaunchOptions& launchOptions)
64    {
65        return adoptRef(new ProcessLauncher(client, launchOptions));
66    }
67
68    bool isLaunching() const { return m_isLaunching; }
69    PlatformProcessIdentifier processIdentifier() const { return m_processIdentifier; }
70
71    void terminateProcess();
72    void invalidate();
73
74    static bool getProcessTypeFromString(const char*, ProcessType&);
75
76private:
77    ProcessLauncher(Client*, const LaunchOptions& launchOptions);
78
79    static const char* processTypeAsString(ProcessType);
80
81    void launchProcess();
82    void didFinishLaunchingProcess(PlatformProcessIdentifier, CoreIPC::Connection::Identifier);
83
84    void platformInvalidate();
85
86    Client* m_client;
87
88    const LaunchOptions m_launchOptions;
89    bool m_isLaunching;
90    PlatformProcessIdentifier m_processIdentifier;
91};
92
93} // namespace WebKit
94
95#endif // WebProcessLauncher_h
96