PromptCollection.sys.mjs

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/* 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/. */

import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";

const lazy = {};

ChromeUtils.defineESModuleGetters(lazy, {

  GeckoViewPrompter: "resource://gre/modules/GeckoViewPrompter.sys.mjs",

});

const { debug, warn } = GeckoViewUtils.initLogging("PromptCollection");

export class PromptCollection {

  confirmRepost(browsingContext) {

    const msg = {

      type: "repost",

};

    const prompter = new lazy.GeckoViewPrompter(browsingContext);

    const result = prompter.showPrompt(msg);

    return !!result?.allow;

  asyncBeforeUnloadCheck(browsingContext) {

    return new Promise(resolve => {

      const msg = {

        type: "beforeUnload",

};

      const prompter = new lazy.GeckoViewPrompter(browsingContext);

      prompter.asyncShowPrompt(msg, resolve);

    }).then(result => !!result?.allow);

  confirmFolderUpload() {

    // Folder upload is not supported by GeckoView yet, see Bug 1674428.

    return false;

PromptCollection.prototype.QueryInterface = ChromeUtils.generateQI([

  "nsIPromptCollection",

]);