1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WorkerGlobalScopeProxy_h 32 #define WorkerGlobalScopeProxy_h 33 34 #include "core/dom/MessagePort.h" 35 #include "core/workers/WorkerThread.h" 36 #include "wtf/Forward.h" 37 #include "wtf/PassOwnPtr.h" 38 39 namespace WebCore { 40 41 class KURL; 42 class Worker; 43 44 // A proxy to talk to the worker global scope. 45 class WorkerGlobalScopeProxy { 46 public: 47 typedef WorkerGlobalScopeProxy* CreateDelegate(Worker*); 48 49 // FIXME: Instead of delegating through a static factory function we 50 // should probably go through some client interface like ChromeClient. 51 static WorkerGlobalScopeProxy* create(Worker* worker) { return s_createDelegate(worker); } 52 static void setCreateDelegate(CreateDelegate* delegate) { s_createDelegate = delegate; } 53 54 virtual ~WorkerGlobalScopeProxy() { } 55 56 virtual void startWorkerGlobalScope(const KURL& scriptURL, const String& userAgent, const String& sourceCode, WorkerThreadStartMode) = 0; 57 58 virtual void terminateWorkerGlobalScope() = 0; 59 60 virtual void postMessageToWorkerGlobalScope(PassRefPtr<SerializedScriptValue>, PassOwnPtr<MessagePortChannelArray>) = 0; 61 62 virtual bool hasPendingActivity() const = 0; 63 64 virtual void workerObjectDestroyed() = 0; 65 66 class PageInspector { 67 public: 68 virtual ~PageInspector() { } 69 virtual void dispatchMessageFromWorker(const String&) = 0; 70 }; 71 virtual void connectToInspector(PageInspector*) { } 72 virtual void disconnectFromInspector() { } 73 virtual void sendMessageToInspector(const String&) { } 74 75 private: 76 static CreateDelegate* s_createDelegate; 77 }; 78 79 } // namespace WebCore 80 81 #endif // WorkerGlobalScopeProxy_h 82