uriloader/prefetch/nsIPrefetchService.idl
author Marian-Vasile Laza <mlaza@mozilla.com>
Wed, 10 Aug 2022 12:42:17 +0300
changeset 626637 f75c79d52f563f19c2baa22d60341564a9d31546
parent 483498 1f630fcaad787a8a8b2402481bcbc8d253090c92
permissions -rw-r--r--
Merge autoland to mozilla-central. a=merge

/* 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/. */

#include "nsISupports.idl"
#include "nsIContentPolicy.idl"

interface nsIURI;
interface nsISimpleEnumerator;
interface nsIReferrerInfo;

webidl Node;

[scriptable, uuid(422a1807-4e7f-463d-b8d7-ca2ceb9b5d53)]
interface nsIPrefetchService : nsISupports
{
    /**
     * Enqueue a request to prefetch the specified URI.
     *
     * @param aURI the URI of the document to prefetch
     * @param aReferrerInfo the referrerInfo of the request
     * @param aSource the DOM node (such as a <link> tag) that requested this
     *        fetch, or null if the prefetch was not requested by a DOM node.
     * @param aExplicit the link element has an explicit prefetch link type
     */
    void prefetchURI(in nsIURI aURI,
                     in nsIReferrerInfo aReferrerInfo,
                     in Node aSource,
                     in boolean aExplicit);

    /**
     * Start a preload of the specified URI.
     *
     * @param aURI the URI of the document to preload
     * @param aReferrerInfo the referrerInfo of the request
     * @param aSource the DOM node (such as a <link> tag) that requested this
     *        fetch, or null if the prefetch was not requested by a DOM node.
     * @param aPolicyType content policy to be used for this load.
     */
    void preloadURI(in nsIURI aURI,
                    in nsIReferrerInfo aReferrerInfo,
                    in Node aSource,
                    in nsContentPolicyType aPolicyType);

    /**
     * Find out if there are any prefetches running or queued
     */
    boolean hasMoreElements();

    /**
     * Cancel prefetch or preload for a Node.
     */
    void cancelPrefetchPreloadURI(in nsIURI aURI, in Node aSource);
};