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)

    35 class QLocalSocket;

    36 #endif

    37 

    38 namespace WebKit {

    39 

    40 class ProcessLauncher : public ThreadSafeShared<ProcessLauncher> {

    41 public:

    42     class Client {

    43     public:

    44         virtual ~Client() { }

    45         

    46         virtual void didFinishLaunching(ProcessLauncher*, const CoreIPC::Connection::Identifier&) = 0;

    47     };

    48     

    49     static PassRefPtr<ProcessLauncher> create(Client* client)

    50     {

    51         return adoptRef(new ProcessLauncher(client));

    52     }

    53 

    54     bool isLaunching() const { return m_isLaunching; }

    55     PlatformProcessIdentifier processIdentifier() const { return m_processIdentifier; }

    56 

    57     void terminateProcess();

    58     void invalidate();

    59 

    60     static CoreIPC::Connection::Identifier createWebThread();

    61 

    62 #if PLATFORM(QT)

    63     friend class ProcessLauncherHelper;

    64     static QLocalSocket* takePendingConnection();

    65 #endif

    66 

    67 private:

    68     explicit ProcessLauncher(Client*);

    69 

    70     void launchProcess();

    71     void didFinishLaunchingProcess(PlatformProcessIdentifier, CoreIPC::Connection::Identifier);

    72 

    73     Client* m_client;

    74 

    75     bool m_isLaunching;

    76     PlatformProcessIdentifier m_processIdentifier;

    77 };

    78 

    79 } // namespace WebKit

    80 

    81 #endif // WebProcessLauncher_h