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/*
* Copyright (C) 2016 Apple 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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.
*/
WebInspector.ResourceTimingData = class ResourceTimingData extends WebInspector.Object
{
constructor(resource, data)
{
super();
data = data || {};
console.assert(isNaN(data.domainLookupStart) === isNaN(data.domainLookupEnd));
console.assert(isNaN(data.connectStart) === isNaN(data.connectEnd));
this._resource = resource;
this._startTime = data.startTime || NaN;
this._domainLookupStart = data.domainLookupStart || NaN;
this._domainLookupEnd = data.domainLookupEnd || NaN;
this._connectStart = data.connectStart || NaN;
this._connectEnd = data.connectEnd || NaN;
this._secureConnectionStart = data.secureConnectionStart || NaN;
this._requestStart = data.requestStart || NaN;
this._responseStart = data.responseStart || NaN;
this._responseEnd = data.responseEnd || NaN;
if (this._domainLookupStart >= this._domainLookupEnd)
this._domainLookupStart = this._domainLookupEnd = NaN;
if (this._connectStart >= this._connectEnd)
this._connectStart = this._connectEnd = NaN;
}
// Static
static fromPayload(payload, resource)
{
payload = payload || {};
// COMPATIBILITY (iOS 10): Resource Timing data was incomplete and incorrect. Do not use it.
// iOS 7 sent a requestTime and iOS 8-9.3 sent a navigationStart time.
if (typeof payload.requestTime === "number" || typeof payload.navigationStart === "number")
payload = {};
function offsetToTimestamp(offset) {
return offset > 0 ? payload.startTime + offset / 1000 : NaN;
}
let data = {
startTime: payload.startTime,
domainLookupStart: offsetToTimestamp(payload.domainLookupStart),
domainLookupEnd: offsetToTimestamp(payload.domainLookupEnd),
connectStart: offsetToTimestamp(payload.connectStart),
connectEnd: offsetToTimestamp(payload.connectEnd),
secureConnectionStart: offsetToTimestamp(payload.secureConnectionStart),
requestStart: offsetToTimestamp(payload.requestStart),
responseStart: offsetToTimestamp(payload.responseStart),
responseEnd: offsetToTimestamp(payload.responseEnd)
};
// COMPATIBILITY (iOS 8): connectStart is zero if a secure connection is used.
if (isNaN(data.connectStart) && !isNaN(data.secureConnectionStart))
data.connectStart = data.secureConnectionStart;
return new WebInspector.ResourceTimingData(resource, data);
}
// Public
get startTime() { return this._startTime || this._resource.requestSentTimestamp; }
get domainLookupStart() { return this._domainLookupStart; }
get domainLookupEnd() { return this._domainLookupEnd; }
get connectStart() { return this._connectStart; }
get connectEnd() { return this._connectEnd; }
get secureConnectionStart() { return this._secureConnectionStart; }
get requestStart() { return this._requestStart || this._resource.requestSentTimestamp; }
get responseStart() { return this._responseStart || this._resource.responseReceivedTimestamp; }
get responseEnd() { return this._responseEnd || this._resource.finishedOrFailedTimestamp; }
markResponseEndTime(responseEnd)
{
console.assert(typeof responseEnd === "number");
this._responseEnd = responseEnd;
}
};
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