third_party/WebKit/Source/core/loader/DocumentLoadTiming.h

   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 "core/CoreExport.h"
  30 #include "platform/heap/Handle.h"
  31 #include "wtf/CurrentTime.h"
  32
  33 namespace blink {
  34
  35 class DocumentLoader;
  36 class KURL;
  37
  38 class CORE_EXPORT DocumentLoadTiming final {
  39     DISALLOW_ALLOCATION();
  40 public:
  41     explicit DocumentLoadTiming(DocumentLoader&);
  42
  43     double monotonicTimeToZeroBasedDocumentTime(double) const;
  44     double monotonicTimeToPseudoWallTime(double) const;
  45     double pseudoWallTimeToMonotonicTime(double) const;
  46
  47     void markNavigationStart();
  48     void setNavigationStart(double);
  49     void addRedirect(const KURL& redirectingUrl, const KURL& redirectedUrl);
  50
  51     void markUnloadEventStart();
  52     void markUnloadEventEnd();
  53     void markFetchStart();
  54     void setResponseEnd(double);
  55     void markLoadEventStart();
  56     void markLoadEventEnd();
  57
  58     void setHasSameOriginAsPreviousDocument(bool value) { m_hasSameOriginAsPreviousDocument = value; }
  59
  60     double navigationStart() const { return m_navigationStart; }
  61     double unloadEventStart() const { return m_unloadEventStart; }
  62     double unloadEventEnd() const { return m_unloadEventEnd; }
  63     double redirectStart() const { return m_redirectStart; }
  64     double redirectEnd() const { return m_redirectEnd; }
  65     short redirectCount() const { return m_redirectCount; }
  66     double fetchStart() const { return m_fetchStart; }
  67     double responseEnd() const { return m_responseEnd; }
  68     double loadEventStart() const { return m_loadEventStart; }
  69     double loadEventEnd() const { return m_loadEventEnd; }
  70     bool hasCrossOriginRedirect() const { return m_hasCrossOriginRedirect; }
  71     bool hasSameOriginAsPreviousDocument() const { return m_hasSameOriginAsPreviousDocument; }
  72
  73     double referenceMonotonicTime() const { return m_referenceMonotonicTime; }
  74
  75     DECLARE_TRACE();
  76
  77 private:
  78     void setRedirectStart(double);
  79     void markRedirectEnd();
  80     void notifyDocumentTimingChanged();
  81
  82     double m_referenceMonotonicTime;
  83     double m_referenceWallTime;
  84     double m_navigationStart;
  85     double m_unloadEventStart;
  86     double m_unloadEventEnd;
  87     double m_redirectStart;
  88     double m_redirectEnd;
  89     short m_redirectCount;
  90     double m_fetchStart;
  91     double m_responseEnd;
  92     double m_loadEventStart;
  93     double m_loadEventEnd;
  94     bool m_hasCrossOriginRedirect;
  95     bool m_hasSameOriginAsPreviousDocument;
  96
  97     RawPtrWillBeMember<DocumentLoader> m_documentLoader;
  98 };
  99
 100 } // namespace blink
 101
 102 #endif