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) 35 class QLocalSocket; 36 #endif 37 38 namespace WebKit { 39 40 class ThreadLauncher : public ThreadSafeRefCounted<ThreadLauncher> { 41 public: 42 class Client { 43 public: ~Client()44 virtual ~Client() { } 45 virtual void didFinishLaunching(ThreadLauncher*, CoreIPC::Connection::Identifier) = 0; 46 }; 47 create(Client * client)48 static PassRefPtr<ThreadLauncher> create(Client* client) 49 { 50 return adoptRef(new ThreadLauncher(client)); 51 } 52 isLaunching()53 bool isLaunching() const { return m_isLaunching; } 54 55 void invalidate(); 56 57 private: 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