jsenabled.mozcmd

/*
 *  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/.
 *
 *  Contributor(s):
 *  - LouCypher (original code)
 */

[
  {
    name: "jsenabled",
    description: "Toggle enable/disable JavaScript.",
    params: [
      {
        name: "reload",
        type: "boolean",
        description: "Reload current document."
      }
    ],
    returnType: "string",
    exec: function(args, context) {
      let contentWin = context.environment.window || context.environment.contentDocument.defaultView;
      let prefname = "javascript.enabled";
      let prefs = Components.classes["@mozilla.org/preferences-service;1"]
                        .getService(Components.interfaces.nsIPrefBranch);
      let jsEnabled = prefs.getBoolPref(prefname);
      prefs.setBoolPref(prefname, !jsEnabled);
      if (args.reload)
        contentWin.location.reload();
      return "JavaScript is " + (!jsEnabled ? "enabled" : "disabled") + ".";
    }
  }
]