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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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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42 #include "core/loader/FrameLoader.h" | 42 #include "core/loader/FrameLoader.h" |
43 #include "core/paint/PaintTiming.h" | 43 #include "core/paint/PaintTiming.h" |
44 #include "core/timing/PerformanceBase.h" | 44 #include "core/timing/PerformanceBase.h" |
45 #include "platform/loader/fetch/ResourceLoadTiming.h" | 45 #include "platform/loader/fetch/ResourceLoadTiming.h" |
46 #include "platform/loader/fetch/ResourceResponse.h" | 46 #include "platform/loader/fetch/ResourceResponse.h" |
47 | 47 |
48 // Legacy support for NT1(https://www.w3.org/TR/navigation-timing/). | 48 // Legacy support for NT1(https://www.w3.org/TR/navigation-timing/). |
49 namespace blink { | 49 namespace blink { |
50 | 50 |
51 static unsigned long long ToIntegerMilliseconds(double seconds) { | 51 static unsigned long long ToIntegerMilliseconds(double seconds) { |
52 ASSERT(seconds >= 0); | 52 DCHECK_GE(seconds, 0); |
53 double clamped_seconds = PerformanceBase::ClampTimeResolution(seconds); | 53 double clamped_seconds = PerformanceBase::ClampTimeResolution(seconds); |
54 return static_cast<unsigned long long>(clamped_seconds * 1000.0); | 54 return static_cast<unsigned long long>(clamped_seconds * 1000.0); |
55 } | 55 } |
56 | 56 |
57 static double ToDoubleSeconds(unsigned long long integer_milliseconds) { | 57 static double ToDoubleSeconds(unsigned long long integer_milliseconds) { |
58 return integer_milliseconds / 1000.0; | 58 return integer_milliseconds / 1000.0; |
59 } | 59 } |
60 | 60 |
61 PerformanceTiming::PerformanceTiming(LocalFrame* frame) | 61 PerformanceTiming::PerformanceTiming(LocalFrame* frame) |
62 : DOMWindowClient(frame) {} | 62 : DOMWindowClient(frame) {} |
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511 result.AddNumber("domContentLoadedEventStart", domContentLoadedEventStart()); | 511 result.AddNumber("domContentLoadedEventStart", domContentLoadedEventStart()); |
512 result.AddNumber("domContentLoadedEventEnd", domContentLoadedEventEnd()); | 512 result.AddNumber("domContentLoadedEventEnd", domContentLoadedEventEnd()); |
513 result.AddNumber("domComplete", domComplete()); | 513 result.AddNumber("domComplete", domComplete()); |
514 result.AddNumber("loadEventStart", loadEventStart()); | 514 result.AddNumber("loadEventStart", loadEventStart()); |
515 result.AddNumber("loadEventEnd", loadEventEnd()); | 515 result.AddNumber("loadEventEnd", loadEventEnd()); |
516 return result.GetScriptValue(); | 516 return result.GetScriptValue(); |
517 } | 517 } |
518 | 518 |
519 unsigned long long PerformanceTiming::MonotonicTimeToIntegerMilliseconds( | 519 unsigned long long PerformanceTiming::MonotonicTimeToIntegerMilliseconds( |
520 double monotonic_seconds) const { | 520 double monotonic_seconds) const { |
521 ASSERT(monotonic_seconds >= 0); | 521 DCHECK_GE(monotonic_seconds, 0); |
522 const DocumentLoadTiming* timing = GetDocumentLoadTiming(); | 522 const DocumentLoadTiming* timing = GetDocumentLoadTiming(); |
523 if (!timing) | 523 if (!timing) |
524 return 0; | 524 return 0; |
525 | 525 |
526 return ToIntegerMilliseconds( | 526 return ToIntegerMilliseconds( |
527 timing->MonotonicTimeToPseudoWallTime(monotonic_seconds)); | 527 timing->MonotonicTimeToPseudoWallTime(monotonic_seconds)); |
528 } | 528 } |
529 | 529 |
530 double PerformanceTiming::IntegerMillisecondsToMonotonicTime( | 530 double PerformanceTiming::IntegerMillisecondsToMonotonicTime( |
531 unsigned long long integer_milliseconds) const { | 531 unsigned long long integer_milliseconds) const { |
532 const DocumentLoadTiming* timing = GetDocumentLoadTiming(); | 532 const DocumentLoadTiming* timing = GetDocumentLoadTiming(); |
533 if (!timing) | 533 if (!timing) |
534 return 0; | 534 return 0; |
535 | 535 |
536 return timing->PseudoWallTimeToMonotonicTime( | 536 return timing->PseudoWallTimeToMonotonicTime( |
537 ToDoubleSeconds(integer_milliseconds)); | 537 ToDoubleSeconds(integer_milliseconds)); |
538 } | 538 } |
539 | 539 |
540 DEFINE_TRACE(PerformanceTiming) { | 540 DEFINE_TRACE(PerformanceTiming) { |
541 DOMWindowClient::Trace(visitor); | 541 DOMWindowClient::Trace(visitor); |
542 } | 542 } |
543 | 543 |
544 } // namespace blink | 544 } // namespace blink |
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