1 /* 2 * Copyright (C) 2013 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 WebEmbeddedWorker_h 32 #define WebEmbeddedWorker_h 33 34 #include "public/platform/WebCommon.h" 35 36 namespace blink { 37 38 class WebServiceWorkerContextClient; 39 class WebWorkerPermissionClientProxy; 40 struct WebEmbeddedWorkerStartData; 41 42 // An interface to start and terminate an embedded worker. 43 // All methods of this class must be called on the main thread. 44 class WebEmbeddedWorker { 45 public: 46 // Invoked on the main thread to instantiate a WebEmbeddedWorker. 47 // The given WebWorkerContextClient and WebWorkerPermissionClientProxy are 48 // going to be passed on to the worker thread and is held by a newly 49 // created WorkerGlobalScope. 50 BLINK_EXPORT static WebEmbeddedWorker* create( 51 WebServiceWorkerContextClient*, 52 WebWorkerPermissionClientProxy*); 53 54 virtual ~WebEmbeddedWorker() { } 55 56 // Starts and terminates WorkerThread and WorkerGlobalScope. 57 virtual void startWorkerContext(const WebEmbeddedWorkerStartData&) = 0; 58 virtual void terminateWorkerContext() = 0; 59 }; 60 61 } // namespace blink 62 63 #endif // WebEmbeddedWorker_h 64
