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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/. */
"use strict";
/**
* Bug 1709653 - Office 365 email handling prompt autohide
*
* This site patch prevents the notification bar on Office 365
* apps from popping up on each page-load, offering to handle
* email with Outlook.
*/
if (!window.__firefoxWebCompatFixBug1709653) {
Object.defineProperty(window, "__firefoxWebCompatFixBug1709653", {
configurable: false,
value: true,
});
const warning =
"Office 365 Outlook email handling prompt has been hidden. See https://bugzilla.mozilla.org/show_bug.cgi?id=1709653 for details.";
const localStorageKey = "mailProtocolHandlerAlreadyOffered";
const proto = Object.getPrototypeOf(navigator);
const { registerProtocolHandler } = proto;
const { localStorage } = window;
proto.registerProtocolHandler = function (scheme, url, title) {
if (localStorage.getItem(localStorageKey)) {
console.info(warning);
return undefined;
}
registerProtocolHandler.call(this, scheme, url, title);
localStorage.setItem(localStorageKey, true);
return undefined;
};
}