chromium/third_party/blink/renderer/core/timing/performance_resource_timing.idl

/*
 * Copyright (C) 2012 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// https://w3c.github.io/resource-timing/#performanceresourcetiming

enum RenderBlockingStatusType {
    "blocking",
    "non-blocking"
};

[Exposed=(Window,Worker)]
interface PerformanceResourceTiming : PerformanceEntry {
    [MeasureAs=PerformanceResourceTimingInitiatorType] readonly attribute DOMString initiatorType;
    readonly attribute DOMString nextHopProtocol;
    [Measure] readonly attribute DOMString deliveryType;
    readonly attribute DOMHighResTimeStamp workerStart;
    [RuntimeEnabled=ServiceWorkerStaticRouterTimingInfo]
        readonly attribute DOMHighResTimeStamp workerRouterEvaluationStart;
    [RuntimeEnabled=ServiceWorkerStaticRouterTimingInfo]
        readonly attribute DOMHighResTimeStamp workerCacheLookupStart;
    [RuntimeEnabled=ServiceWorkerStaticRouterTimingInfo]
        readonly attribute DOMString matchedSourceType;
    [RuntimeEnabled=ServiceWorkerStaticRouterTimingInfo]
        readonly attribute DOMString finalSourceType;
    readonly attribute DOMHighResTimeStamp redirectStart;
    readonly attribute DOMHighResTimeStamp redirectEnd;
    readonly attribute DOMHighResTimeStamp fetchStart;
    readonly attribute DOMHighResTimeStamp domainLookupStart;
    readonly attribute DOMHighResTimeStamp domainLookupEnd;
    readonly attribute DOMHighResTimeStamp connectStart;
    readonly attribute DOMHighResTimeStamp connectEnd;
    readonly attribute DOMHighResTimeStamp secureConnectionStart;
    readonly attribute DOMHighResTimeStamp requestStart;
    readonly attribute DOMHighResTimeStamp responseStart;
    readonly attribute DOMHighResTimeStamp responseEnd;
    [MeasureAs=PerformanceResourceTimingSizes] readonly attribute unsigned long long transferSize;
    [MeasureAs=PerformanceResourceTimingSizes] readonly attribute unsigned long long encodedBodySize;
    [MeasureAs=PerformanceResourceTimingSizes] readonly attribute unsigned long long decodedBodySize;
    readonly attribute FrozenArray<PerformanceServerTiming> serverTiming;
    // PerformanceResourceTiming#renderBlockingStatus
    // See: https://github.com/abinpaul1/resource-timing/blob/render-blocking-status-explainer/Explainer/Render_Blocking_Status.md
    [RuntimeEnabled=RenderBlockingStatus]
        readonly attribute RenderBlockingStatusType renderBlockingStatus;
    // PerformanceResourceTiming#responseStatus
    // See: https://github.com/abinpaul1/resource-timing/blob/explainer-resource-response-status/Explainers/Response_Status_Code.md
    readonly attribute short responseStatus;

    // PerformanceResourceTiming#contentType
    // See: https://github.com/abinpaul1/resource-timing/blob/explainer-content-type/Explainers/Content-Type.md
    [RuntimeEnabled=ResourceTimingContentType]
        readonly attribute DOMString contentType;

    readonly attribute DOMHighResTimeStamp firstInterimResponseStart;

    [CallWith=ScriptState, ImplementedAs=toJSONForBinding] object toJSON();
};