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 WebWorker_h 32 #define WebWorker_h 33 34 #include "WebMessagePortChannel.h" 35 36 namespace WebKit { 37 38 class WebString; 39 class WebURL; 40 class WebWorkerClient; 41 42 // Provides an interface to the script execution context for a worker. 43 class WebWorker { 44 public: 45 // Instantiates a built-in WebWorker. 46 WEBKIT_API static WebWorker* create(WebWorkerClient*); 47 ~WebWorker()48 virtual ~WebWorker() { } 49 virtual void startWorkerContext(const WebURL& scriptURL, 50 const WebString& userAgent, 51 const WebString& sourceCode) = 0; 52 virtual void terminateWorkerContext() = 0; 53 virtual void postMessageToWorkerContext( 54 const WebString&, 55 const WebMessagePortChannelArray&) = 0; 56 virtual void workerObjectDestroyed() = 0; 57 virtual void clientDestroyed() = 0; 58 }; 59 60 } // namespace WebKit 61 62 #endif 63