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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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31 #include "config.h" | 31 #include "config.h" |
32 #include "modules/performance/WorkerPerformance.h" | 32 #include "modules/performance/WorkerPerformance.h" |
33 | 33 |
34 #include "core/timing/MemoryInfo.h" | 34 #include "core/timing/MemoryInfo.h" |
35 #include "core/workers/DedicatedWorkerGlobalScope.h" | 35 #include "core/workers/DedicatedWorkerGlobalScope.h" |
36 #include "core/workers/WorkerGlobalScope.h" | 36 #include "core/workers/WorkerGlobalScope.h" |
37 #include "wtf/CurrentTime.h" | 37 #include "wtf/CurrentTime.h" |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
41 WorkerPerformance::WorkerPerformance() | 41 WorkerPerformance::WorkerPerformance(WorkerGlobalScope* context) |
| 42 : PerformanceBase(context->timeOrigin()) |
| 43 , ContextLifecycleObserver(context) |
42 { | 44 { |
43 } | 45 } |
44 | 46 |
| 47 ExecutionContext* WorkerPerformance::executionContext() const |
| 48 { |
| 49 return ContextLifecycleObserver::executionContext(); |
| 50 } |
| 51 |
45 DEFINE_TRACE(WorkerPerformance) | 52 DEFINE_TRACE(WorkerPerformance) |
46 { | 53 { |
47 visitor->trace(m_memoryInfo); | 54 visitor->trace(m_memoryInfo); |
48 } | 55 PerformanceBase::trace(visitor); |
49 | 56 ContextLifecycleObserver::trace(visitor); |
50 double WorkerPerformance::now(ExecutionContext* context) const | |
51 { | |
52 ASSERT(context); | |
53 ASSERT(context->isWorkerGlobalScope()); | |
54 WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context); | |
55 return 1000.0 * (monotonicallyIncreasingTime() - workerGlobalScope->timeOrig
in()); | |
56 } | 57 } |
57 | 58 |
58 MemoryInfo* WorkerPerformance::memory() | 59 MemoryInfo* WorkerPerformance::memory() |
59 { | 60 { |
60 if (!m_memoryInfo) | 61 if (!m_memoryInfo) |
61 m_memoryInfo = MemoryInfo::create(); | 62 m_memoryInfo = MemoryInfo::create(); |
62 | 63 |
63 return m_memoryInfo.get(); | 64 return m_memoryInfo.get(); |
64 } | 65 } |
65 | 66 |
66 } // namespace blink | 67 } // namespace blink |
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