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