/*
 * Copyright (C) 2021 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.
 */

// https://www.w3.org/TR/navigation-timing-2/#dom-performancenavigationtiming

typedef double DOMHighResTimeStamp;

enum NavigationType {
    "navigate",
    "reload",
    "back_forward",
    "prerender"
};

[
    EnabledBySetting=PerformanceNavigationTimingAPIEnabled,
    Exposed=Window
] interface PerformanceNavigationTiming : PerformanceResourceTiming {
    readonly        attribute DOMHighResTimeStamp unloadEventStart;
    readonly        attribute DOMHighResTimeStamp unloadEventEnd;
    readonly        attribute DOMHighResTimeStamp domInteractive;
    readonly        attribute DOMHighResTimeStamp domContentLoadedEventStart;
    readonly        attribute DOMHighResTimeStamp domContentLoadedEventEnd;
    readonly        attribute DOMHighResTimeStamp domComplete;
    readonly        attribute DOMHighResTimeStamp loadEventStart;
    readonly        attribute DOMHighResTimeStamp loadEventEnd;
    readonly        attribute NavigationType      type;
    readonly        attribute unsigned short      redirectCount;
    [Default] object toJSON();
};