gecko-dev/browser/actors/RFPHelperParent.jsm

35 строки
964 B
JavaScript

1; /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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/. */
var EXPORTED_SYMBOLS = ["RFPHelperParent"];
const { XPCOMUtils } = ChromeUtils.importESModule(
"resource://gre/modules/XPCOMUtils.sys.mjs"
);
const kPrefLetterboxing = "privacy.resistFingerprinting.letterboxing";
const lazy = {};
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"isLetterboxingEnabled",
kPrefLetterboxing,
false
);
class RFPHelperParent extends JSWindowActorParent {
receiveMessage(aMessage) {
if (
lazy.isLetterboxingEnabled &&
aMessage.name == "Letterboxing:ContentSizeUpdated"
) {
let browser = this.browsingContext.top.embedderElement;
let window = browser.ownerGlobal;
window.RFPHelper.contentSizeUpdated(window);
}
}
}