gecko-dev/dom/webidl/PerformanceTiming.webidl

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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* The origin of this IDL file is
* https://w3c.github.io/navigation-timing/#the-performancetiming-interface
*
* Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
interface PerformanceTiming {
readonly attribute unsigned long long navigationStart;
readonly attribute unsigned long long unloadEventStart;
readonly attribute unsigned long long unloadEventEnd;
readonly attribute unsigned long long redirectStart;
readonly attribute unsigned long long redirectEnd;
readonly attribute unsigned long long fetchStart;
readonly attribute unsigned long long domainLookupStart;
readonly attribute unsigned long long domainLookupEnd;
readonly attribute unsigned long long connectStart;
readonly attribute unsigned long long connectEnd;
readonly attribute unsigned long long secureConnectionStart;
readonly attribute unsigned long long requestStart;
readonly attribute unsigned long long responseStart;
readonly attribute unsigned long long responseEnd;
readonly attribute unsigned long long domLoading;
readonly attribute unsigned long long domInteractive;
readonly attribute unsigned long long domContentLoadedEventStart;
readonly attribute unsigned long long domContentLoadedEventEnd;
readonly attribute unsigned long long domComplete;
readonly attribute unsigned long long loadEventStart;
readonly attribute unsigned long long loadEventEnd;
// This is a Chrome proprietary extension and not part of the
// performance/navigation timing specification.
// Returns 0 if a non-blank paint has not happened.
[Pref="dom.performance.time_to_non_blank_paint.enabled"]
readonly attribute unsigned long long timeToNonBlankPaint;
// Returns 0 if a contentful paint has not happened.
[Pref="dom.performance.time_to_contentful_paint.enabled"]
readonly attribute unsigned long long timeToContentfulPaint;
// This is a Mozilla proprietary extension and not part of the
// performance/navigation timing specification. It marks the
// completion of the first presentation flush after DOMContentLoaded.
[Pref="dom.performance.time_to_dom_content_flushed.enabled"]
readonly attribute unsigned long long timeToDOMContentFlushed;
// This is a Chrome proprietary extension and not part of the
// performance/navigation timing specification.
// Returns 0 if a time-to-interactive measurement has not happened.
[Pref="dom.performance.time_to_first_interactive.enabled"]
readonly attribute unsigned long long timeToFirstInteractive;
[Default] object toJSON();
};