The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/modules/Timer.jsm	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,42 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +"use strict";
     1.9 +
    1.10 +/**
    1.11 + * JS module implementation of nsIDOMJSWindow.setTimeout and clearTimeout.
    1.12 + */
    1.13 +
    1.14 +this.EXPORTED_SYMBOLS = ["setTimeout", "clearTimeout"];
    1.15 +
    1.16 +const Cc = Components.classes;
    1.17 +const Ci = Components.interfaces;
    1.18 +const Cu = Components.utils;
    1.19 +
    1.20 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
    1.21 +
    1.22 +// This gives us >=2^30 unique timer IDs, enough for 1 per ms for 12.4 days.
    1.23 +let gNextTimeoutId = 1; // setTimeout must return a positive integer
    1.24 +
    1.25 +let gTimeoutTable = new Map(); // int -> nsITimer
    1.26 +
    1.27 +this.setTimeout = function setTimeout(aCallback, aMilliseconds) {
    1.28 +  let id = gNextTimeoutId++;
    1.29 +  let args = Array.slice(arguments, 2);
    1.30 +  let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
    1.31 +  timer.initWithCallback(function setTimeout_timer() {
    1.32 +    gTimeoutTable.delete(id);
    1.33 +    aCallback.apply(null, args);
    1.34 +  }, aMilliseconds, timer.TYPE_ONE_SHOT);
    1.35 +
    1.36 +  gTimeoutTable.set(id, timer);
    1.37 +  return id;
    1.38 +}
    1.39 +
    1.40 +this.clearTimeout = function clearTimeout(aId) {
    1.41 +  if (gTimeoutTable.has(aId)) {
    1.42 +    gTimeoutTable.get(aId).cancel();
    1.43 +    gTimeoutTable.delete(aId);
    1.44 +  }
    1.45 +}