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/*
* 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 "platform/weborigin/SecurityOrigin.h"
#include "wtf/RefPtr.h"
namespace WebCore {
DocumentLoadTiming::DocumentLoadTiming()
: 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)
{
}
double DocumentLoadTiming::monotonicTimeToZeroBasedDocumentTime(double monotonicTime) const
{
if (!monotonicTime)
return 0.0;
return monotonicTime - m_referenceMonotonicTime;
}
double DocumentLoadTiming::monotonicTimeToPseudoWallTime(double monotonicTime) const
{
if (!monotonicTime)
return 0.0;
return m_referenceWallTime + monotonicTime - m_referenceMonotonicTime;
}
void DocumentLoadTiming::markNavigationStart()
{
ASSERT(!m_navigationStart && !m_referenceMonotonicTime && !m_referenceWallTime);
m_navigationStart = m_referenceMonotonicTime = monotonicallyIncreasingTime();
m_referenceWallTime = currentTime();
}
void DocumentLoadTiming::setNavigationStart(double navigationStart)
{
ASSERT(m_referenceMonotonicTime && m_referenceWallTime);
m_navigationStart = navigationStart;
}
void DocumentLoadTiming::addRedirect(const KURL& redirectingUrl, const KURL& redirectedUrl)
{
m_redirectCount++;
if (!m_redirectStart)
m_redirectStart = m_fetchStart;
m_redirectEnd = m_fetchStart = monotonicallyIncreasingTime();
// 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);
}
} // namespace WebCore
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