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| 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 #include "config.h" | |
| 31 #include "modules/performance/SharedWorkerPerformance.h" | |
| 32 | |
| 33 #include "core/dom/Document.h" | |
| 34 #include "core/dom/ExecutionContext.h" | |
| 35 #include "core/loader/DocumentLoadTiming.h" | |
| 36 #include "core/loader/DocumentLoader.h" | |
| 37 #include "core/workers/SharedWorker.h" | |
| 38 | |
| 39 namespace blink { | |
| 40 | |
| 41 SharedWorkerPerformance::SharedWorkerPerformance() | |
| 42 : m_timeOrigin(monotonicallyIncreasingTime()) | |
| 43 { | |
| 44 } | |
| 45 | |
| 46 const char* SharedWorkerPerformance::supplementName() | |
| 47 { | |
| 48 return "SharedWorkerPerformance"; | |
| 49 } | |
| 50 | |
| 51 SharedWorkerPerformance& SharedWorkerPerformance::from(SharedWorker& sharedWorke
r) | |
| 52 { | |
| 53 SharedWorkerPerformance* supplement = static_cast<SharedWorkerPerformance*>(
WillBeHeapSupplement<SharedWorker>::from(sharedWorker, supplementName())); | |
| 54 if (!supplement) { | |
| 55 supplement = new SharedWorkerPerformance(); | |
| 56 provideTo(sharedWorker, supplementName(), adoptPtrWillBeNoop(supplement)
); | |
| 57 } | |
| 58 return *supplement; | |
| 59 } | |
| 60 | |
| 61 double SharedWorkerPerformance::workerStart(ExecutionContext* context, SharedWor
ker& sharedWorker) | |
| 62 { | |
| 63 return SharedWorkerPerformance::from(sharedWorker).getWorkerStart(context, s
haredWorker); | |
| 64 } | |
| 65 | |
| 66 double SharedWorkerPerformance::getWorkerStart(ExecutionContext* context, Shared
Worker&) const | |
| 67 { | |
| 68 ASSERT(context); | |
| 69 ASSERT(context->isDocument()); | |
| 70 Document* document = toDocument(context); | |
| 71 if (!document->loader()) | |
| 72 return 0; | |
| 73 | |
| 74 double navigationStart = document->loader()->timing().navigationStart(); | |
| 75 return m_timeOrigin - navigationStart; | |
| 76 } | |
| 77 | |
| 78 } // namespace blink | |
| 79 | |
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Chromium Code Reviews
Issue 1186103003:
Move workers' Performance API code to core/timing (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master