blob: e16b057c68d6f6aa13b7c581242947ff610e7800 [file] [log] [blame]
/*
* Copyright (C) 2011 Google, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "core/loader/DocumentLoadTiming.h"
#include "core/loader/DocumentLoader.h"
#include "platform/TraceEvent.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "wtf/RawPtr.h"
#include "wtf/RefPtr.h"
namespace blink {
DocumentLoadTiming::DocumentLoadTiming(DocumentLoader& documentLoader)
: m_referenceMonotonicTime(0.0)
, m_referenceWallTime(0.0)
, m_navigationStart(0.0)
, m_unloadEventStart(0.0)
, m_unloadEventEnd(0.0)
, m_redirectStart(0.0)
, m_redirectEnd(0.0)
, m_redirectCount(0)
, m_fetchStart(0.0)
, m_responseEnd(0.0)
, m_loadEventStart(0.0)
, m_loadEventEnd(0.0)
, m_hasCrossOriginRedirect(false)
, m_hasSameOriginAsPreviousDocument(false)
, m_documentLoader(documentLoader)
{
}
DEFINE_TRACE(DocumentLoadTiming)
{
visitor->trace(m_documentLoader);
}
LocalFrame* DocumentLoadTiming::frame() const
{
return m_documentLoader ? m_documentLoader->frame() : nullptr;
}
void DocumentLoadTiming::notifyDocumentTimingChanged()
{
if (m_documentLoader)
m_documentLoader->didChangePerformanceTiming();
}
double DocumentLoadTiming::monotonicTimeToZeroBasedDocumentTime(double monotonicTime) const
{
if (!monotonicTime || !m_referenceMonotonicTime)
return 0.0;
return monotonicTime - m_referenceMonotonicTime;
}
double DocumentLoadTiming::monotonicTimeToPseudoWallTime(double monotonicTime) const
{
if (!monotonicTime || !m_referenceMonotonicTime)
return 0.0;
return m_referenceWallTime + monotonicTime - m_referenceMonotonicTime;
}
double DocumentLoadTiming::pseudoWallTimeToMonotonicTime(double pseudoWallTime) const
{
if (!pseudoWallTime)
return 0.0;
return m_referenceMonotonicTime + pseudoWallTime - m_referenceWallTime;
}
void DocumentLoadTiming::markNavigationStart()
{
// Allow the embedder to override navigationStart before we record it if
// they have a more accurate timestamp.
if (m_navigationStart) {
ASSERT(m_referenceMonotonicTime && m_referenceWallTime);
return;
}
ASSERT(!m_navigationStart && !m_referenceMonotonicTime && !m_referenceWallTime);
m_navigationStart = m_referenceMonotonicTime = monotonicallyIncreasingTime();
m_referenceWallTime = currentTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "navigationStart", m_navigationStart, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::setNavigationStart(double navigationStart)
{
m_navigationStart = navigationStart;
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "navigationStart", m_navigationStart, "frame", frame());
// |m_referenceMonotonicTime| and |m_referenceWallTime| represent
// navigationStart. When the embedder sets navigationStart (because the
// navigation started earlied on the browser side), we need to adjust these
// as well.
if (!m_referenceWallTime)
m_referenceWallTime = currentTime();
else
m_referenceWallTime = monotonicTimeToPseudoWallTime(navigationStart);
m_referenceMonotonicTime = navigationStart;
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::addRedirect(const KURL& redirectingUrl, const KURL& redirectedUrl)
{
m_redirectCount++;
if (!m_redirectStart) {
setRedirectStart(m_fetchStart);
}
markRedirectEnd();
markFetchStart();
// Check if the redirected url is allowed to access the redirecting url's timing information.
RefPtr<SecurityOrigin> redirectedSecurityOrigin = SecurityOrigin::create(redirectedUrl);
m_hasCrossOriginRedirect |= !redirectedSecurityOrigin->canRequest(redirectingUrl);
}
void DocumentLoadTiming::markUnloadEventStart()
{
m_unloadEventStart = monotonicallyIncreasingTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "unloadEventStart", m_unloadEventStart, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::markUnloadEventEnd()
{
m_unloadEventEnd = monotonicallyIncreasingTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "unloadEventEnd", m_unloadEventEnd, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::markFetchStart()
{
m_fetchStart = monotonicallyIncreasingTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "fetchStart", m_fetchStart, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::setResponseEnd(double responseEnd)
{
m_responseEnd = responseEnd;
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "responseEnd", m_responseEnd, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::markLoadEventStart()
{
m_loadEventStart = monotonicallyIncreasingTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "loadEventStart", m_loadEventStart, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::markLoadEventEnd()
{
m_loadEventEnd = monotonicallyIncreasingTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "loadEventEnd", m_loadEventEnd, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::setRedirectStart(double redirectStart)
{
m_redirectStart = redirectStart;
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "redirectStart", m_redirectStart, "frame", frame());
notifyDocumentTimingChanged();
}
void DocumentLoadTiming::markRedirectEnd()
{
m_redirectEnd = monotonicallyIncreasingTime();
TRACE_EVENT_MARK_WITH_TIMESTAMP1("blink.user_timing", "redirectEnd", m_redirectEnd, "frame", frame());
notifyDocumentTimingChanged();
}
} // namespace blink