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 WorkerContextProxy_h 32 #define WorkerContextProxy_h 33 34 #if ENABLE(WORKERS) 35 36 #include <wtf/PassOwnPtr.h> 37 38 namespace WebCore { 39 40 class KURL; 41 class MessagePortChannel; 42 class String; 43 class Worker; 44 45 // A proxy to talk to the worker context. 46 class WorkerContextProxy { 47 public: 48 static WorkerContextProxy* create(Worker*); 49 ~WorkerContextProxy()50 virtual ~WorkerContextProxy() {} 51 52 virtual void startWorkerContext(const KURL& scriptURL, const String& userAgent, const String& sourceCode) = 0; 53 54 virtual void terminateWorkerContext() = 0; 55 56 virtual void postMessageToWorkerContext(const String&, PassOwnPtr<MessagePortChannel>) = 0; 57 58 virtual bool hasPendingActivity() const = 0; 59 60 virtual void workerObjectDestroyed() = 0; 61 }; 62 63 } // namespace WebCore 64 65 #endif // ENABLE(WORKERS) 66 67 #endif // WorkerContextProxy_h 68