browser/modules/TransientPrefs.jsm
author Kris Maglione <maglione.k@gmail.com>
Mon, 29 Jan 2018 15:20:18 -0800
changeset 453844 34c999fa006bffe8705cf50c54708aa21a962e62
parent 453830 505fc52bd6080c95bf27458a5753340b326f0fa1
child 453889 c6e0fe339cb1e7c0c029e68be5332e52f53ab6b7
permissions -rw-r--r--
Bug 1431533: Part 5a - Auto-rewrite code to use ChromeUtils import methods. r=florian This was done using the following script: https://bitbucket.org/kmaglione/m-c-rewrites/src/37e3803c7a23385bab5ea077ba8692bcfe1608fc/processors/chromeutils-import.jsm MozReview-Commit-ID: 1Nc3XDu0wGl

/* 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";

this.EXPORTED_SYMBOLS = ["TransientPrefs"];

ChromeUtils.import("resource://gre/modules/Preferences.jsm");

var prefVisibility = new Map;

/* Use for preferences that should only be visible when they've been modified.
   When reset to their default state, they remain visible until restarting the
   application. */

this.TransientPrefs = {
  prefShouldBeVisible(prefName) {
    if (Preferences.isSet(prefName))
      prefVisibility.set(prefName, true);

    return !!prefVisibility.get(prefName);
  }
};