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 WorkerClients_h 32 #define WorkerClients_h 33 34 #include "platform/Supplementable.h" 35 #include "wtf/Forward.h" 36 37 namespace blink { 38 39 // This is created on the main thread, passed to the worker thread and 40 // attached to WorkerGlobalScope when it is created. 41 // This class can be used to provide "client" implementations to Workers. 42 class WorkerClients : public NoBaseWillBeGarbageCollectedFinalized<WorkerClients>, public WillBeHeapSupplementable<WorkerClients> { 43 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WorkerClients); 44 WTF_MAKE_NONCOPYABLE(WorkerClients); 45 public: create()46 static PassOwnPtrWillBeRawPtr<WorkerClients> create() 47 { 48 return adoptPtrWillBeNoop(new WorkerClients()); 49 } 50 ~WorkerClients()51 virtual ~WorkerClients() { } 52 53 #if ENABLE(OILPAN) trace(Visitor * visitor)54 virtual void trace(Visitor* visitor) OVERRIDE 55 { 56 HeapSupplementable<WorkerClients>::trace(visitor); 57 } 58 #endif 59 60 private: WorkerClients()61 WorkerClients() { } 62 }; 63 64 } // namespace blink 65 66 #endif // WorkerClients_h 67