browser_privatebrowsing_fastswitch.js

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Private Browsing Tests.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *    Ehsan Akhgari <ehsan@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

// This test makes sure that users are prevented from toggling the private
// browsing mode too quickly, hence be proctected from symptoms in bug 526194.

function test() {
  // initialization
  let pb = Cc["@mozilla.org/privatebrowsing;1"].
           getService(Ci.nsIPrivateBrowsingService);
  let os = Cc["@mozilla.org/observer-service;1"].
           getService(Ci.nsIObserverService);
  let ss = Cc["@mozilla.org/browser/sessionstore;1"].
           getService(Ci.nsISessionStore);
  let pbCmd = document.getElementById("Tools:PrivateBrowsing");
  waitForExplicitFinish();

  let observer = {
    pass: 1,
    observe: function(aSubject, aTopic, aData) {
      switch (aTopic) {
        case "private-browsing":
          setTimeout(function() {
            ok(document.getElementById("Tools:PrivateBrowsing").hasAttribute("disabled"),
               "The private browsing command should be disabled immediately after the mode switch");
          }, 0);
          break;

        case "private-browsing-transition-complete":
          if (this.pass++ == 1) {
            setTimeout(function() {
              ok(!pbCmd.hasAttribute("disabled"),
                 "The private browsing command should be re-enabled after entering the private browsing mode");

              pb.privateBrowsingEnabled = false;
            }, 100);
          }
          else {
            setTimeout(function() {
              ok(!pbCmd.hasAttribute("disabled"),
                 "The private browsing command should be re-enabled after exiting the private browsing mode");

              os.removeObserver(observer, "private-browsing");
              os.removeObserver(observer, "private-browsing-transition-complete");
              finish();
            }, 100);
          }
          break;
      }
    }
  };
  os.addObserver(observer, "private-browsing", false);
  os.addObserver(observer, "private-browsing-transition-complete", false);

  pb.privateBrowsingEnabled = true;
}