1 1; /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
9 ChromeUtils.defineESModuleGetters(lazy, {
10 RFPHelper: "resource://gre/modules/RFPHelper.sys.mjs",
13 const kPrefLetterboxing = "privacy.resistFingerprinting.letterboxing";
15 XPCOMUtils.defineLazyPreferenceGetter(
17 "isLetterboxingEnabled",
22 export class RFPHelperParent extends JSWindowActorParent {
23 receiveMessage(aMessage) {
25 lazy.isLetterboxingEnabled &&
26 aMessage.name == "Letterboxing:ContentSizeUpdated"
28 let browser = this.browsingContext.top.embedderElement;
29 let window = browser.ownerGlobal;
30 lazy.RFPHelper.contentSizeUpdated(window);