gecko-dev/browser/actors/RFPHelperParent.jsm

33 lines
929 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.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
const kPrefLetterboxing = "privacy.resistFingerprinting.letterboxing";
XPCOMUtils.defineLazyPreferenceGetter(
this,
"isLetterboxingEnabled",
kPrefLetterboxing,
false
);
class RFPHelperParent extends JSWindowActorParent {
receiveMessage(aMessage) {
if (
isLetterboxingEnabled &&
aMessage.name == "Letterboxing:ContentSizeUpdated"
) {
let browser = this.browsingContext.top.embedderElement;
let window = browser.ownerGlobal;
window.RFPHelper.contentSizeUpdated(window);
}
}
}