1 /* 2 * Copyright (c) 2014, Opera Software ASA. 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 * 3. Neither the name of Opera Software ASA nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 27 * OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef SharedWorkerPerformance_h 31 #define SharedWorkerPerformance_h 32 33 #include "platform/Supplementable.h" 34 #include "platform/heap/Handle.h" 35 36 namespace WebCore { 37 38 class ExecutionContext; 39 class SharedWorker; 40 41 class SharedWorkerPerformance FINAL : public NoBaseWillBeGarbageCollected<SharedWorkerPerformance>, public WillBeHeapSupplement<SharedWorker> { 42 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SharedWorkerPerformance); 43 public: 44 static SharedWorkerPerformance& from(SharedWorker&); 45 46 static double workerStart(ExecutionContext*, SharedWorker&); 47 double getWorkerStart(ExecutionContext*, SharedWorker&) const; 48 49 virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<SharedWorker>::trace(visitor); } 50 51 private: 52 explicit SharedWorkerPerformance(); 53 static const char* supplementName(); 54 55 double m_timeOrigin; 56 }; 57 58 } // namespace WebCore 59 60 #endif // SharedWorkerPerformance_h 61