1 /* 2 * Copyright (C) 2011 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 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'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef WebWorkerRunLoop_h 26 #define WebWorkerRunLoop_h 27 28 #include "WebCommon.h" 29 30 namespace blink { 31 32 class WorkerThread; 33 34 class WebWorkerRunLoop { 35 public: 36 class Task { 37 public: 38 virtual ~Task() { } 39 virtual void Run() = 0; 40 }; 41 42 // Returns true if the task was posted to a non-terminated loop. 43 BLINK_EXPORT bool postTask(Task*); 44 BLINK_EXPORT bool equals(const WebWorkerRunLoop&) const; 45 BLINK_EXPORT bool lessThan(const WebWorkerRunLoop&) const; 46 47 #if BLINK_IMPLEMENTATION 48 WebWorkerRunLoop(WorkerThread*); 49 #endif 50 51 private: 52 WorkerThread* m_workerThread; 53 }; 54 55 inline bool operator==(const WebWorkerRunLoop& a, const WebWorkerRunLoop& b) 56 { 57 return a.equals(b); 58 } 59 60 inline bool operator<(const WebWorkerRunLoop& a, const WebWorkerRunLoop& b) 61 { 62 return a.lessThan(b); 63 } 64 65 } 66 67 #endif 68
