1/*
2 * Copyright (C) 2010 Google, Inc. 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 *
13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef DocumentLoadTiming_h
27#define DocumentLoadTiming_h
28
29#include <wtf/CurrentTime.h>
30
31namespace WebCore {
32
33class Frame;
34class URL;
35
36class DocumentLoadTiming {
37public:
38    DocumentLoadTiming();
39
40    double monotonicTimeToZeroBasedDocumentTime(double) const;
41    double monotonicTimeToPseudoWallTime(double) const;
42
43    void markNavigationStart();
44    void addRedirect(const URL& redirectingUrl, const URL& redirectedUrl);
45
46    void markUnloadEventStart() { m_unloadEventStart = monotonicallyIncreasingTime(); }
47    void markUnloadEventEnd() { m_unloadEventEnd = monotonicallyIncreasingTime(); }
48    void markRedirectStart() { m_redirectStart = monotonicallyIncreasingTime(); }
49    void markRedirectEnd() { m_redirectEnd = monotonicallyIncreasingTime(); }
50    void markFetchStart() { m_fetchStart = monotonicallyIncreasingTime(); }
51    void setResponseEnd(double monotonicTime) { m_responseEnd = monotonicTime; }
52    void markLoadEventStart() { m_loadEventStart = monotonicallyIncreasingTime(); }
53    void markLoadEventEnd() { m_loadEventEnd = monotonicallyIncreasingTime(); }
54
55    void setHasSameOriginAsPreviousDocument(bool value) { m_hasSameOriginAsPreviousDocument = value; }
56
57    double navigationStart() const { return m_navigationStart; }
58    double unloadEventStart() const { return m_unloadEventStart; }
59    double unloadEventEnd() const { return m_unloadEventEnd; }
60    double redirectStart() const { return m_redirectStart; }
61    double redirectEnd() const { return m_redirectEnd; }
62    short redirectCount() const { return m_redirectCount; }
63    double fetchStart() const { return m_fetchStart; }
64    double responseEnd() const { return m_responseEnd; }
65    double loadEventStart() const { return m_loadEventStart; }
66    double loadEventEnd() const { return m_loadEventEnd; }
67    bool hasCrossOriginRedirect() const { return m_hasCrossOriginRedirect; }
68    bool hasSameOriginAsPreviousDocument() const { return m_hasSameOriginAsPreviousDocument; }
69
70private:
71    double m_referenceMonotonicTime;
72    double m_referenceWallTime;
73    double m_navigationStart;
74    double m_unloadEventStart;
75    double m_unloadEventEnd;
76    double m_redirectStart;
77    double m_redirectEnd;
78    short m_redirectCount;
79    double m_fetchStart;
80    double m_responseEnd;
81    double m_loadEventStart;
82    double m_loadEventEnd;
83    bool m_hasCrossOriginRedirect;
84    bool m_hasSameOriginAsPreviousDocument;
85};
86
87} // namespace WebCore
88
89#endif
90