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1 /* | |
2 * Copyright (C) 2015 Google Inc. All rights reserved. | |
3 * Copyright (C) 2015 Intel Inc. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are | |
7 * met: | |
8 * | |
9 * * Redistributions of source code must retain the above copyright | |
10 * notice, this list of conditions and the following disclaimer. | |
11 * * Redistributions in binary form must reproduce the above | |
12 * copyright notice, this list of conditions and the following disclaimer | |
13 * in the documentation and/or other materials provided with the | |
14 * distribution. | |
15 * * Neither the name of Google Inc. nor the names of its | |
16 * contributors may be used to endorse or promote products derived from | |
17 * this software without specific prior written permission. | |
18 * | |
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
30 */ | |
31 | |
32 #include "core/timing/PerformanceCompositeTiming.h" | |
33 | |
34 #include "bindings/core/v8/V8ObjectBuilder.h" | |
35 #include "core/dom/Document.h" | |
36 #include "core/loader/DocumentLoader.h" | |
37 | |
38 namespace blink { | |
39 | |
40 static double monotonicTimeToDocumentMilliseconds(Document* document, | |
41 double seconds) { | |
42 ASSERT(seconds >= 0.0); | |
43 return document->loader()->timing().monotonicTimeToZeroBasedDocumentTime( | |
44 seconds) * | |
45 1000.0; | |
46 } | |
47 | |
48 PerformanceCompositeTiming::PerformanceCompositeTiming( | |
49 Document* requestingDocument, | |
50 unsigned sourceFrame, | |
51 double startTime) | |
52 : PerformanceEntry( | |
53 requestingDocument->url().getString(), | |
54 "composite", | |
55 monotonicTimeToDocumentMilliseconds(requestingDocument, startTime), | |
56 monotonicTimeToDocumentMilliseconds(requestingDocument, startTime)), | |
57 m_sourceFrame(sourceFrame), | |
58 m_requestingDocument(requestingDocument) {} | |
59 | |
60 PerformanceCompositeTiming::~PerformanceCompositeTiming() {} | |
61 | |
62 unsigned PerformanceCompositeTiming::sourceFrame() const { | |
63 return m_sourceFrame; | |
64 } | |
65 | |
66 void PerformanceCompositeTiming::buildJSONValue( | |
67 V8ObjectBuilder& builder) const { | |
68 PerformanceEntry::buildJSONValue(builder); | |
69 builder.addNumber("sourceFrame", sourceFrame()); | |
70 } | |
71 | |
72 DEFINE_TRACE(PerformanceCompositeTiming) { | |
73 visitor->trace(m_requestingDocument); | |
74 PerformanceEntry::trace(visitor); | |
75 } | |
76 | |
77 } // namespace blink | |
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