modules/timer.js

   1 /**
   2  * (C) Copyright 2008 Jeremy Maitin-Shepard
   3  *
   4  * Use, modification, and distribution are subject to the terms specified in the
   5  * COPYING file.
   6 **/
   7
   8 function timer_callback (callback) {
   9     this.callback = callback;
  10 }
  11 timer_callback.prototype = {
  12     constructor: timer_callback,
  13     QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback]),
  14
  15     notify: function (timer) {
  16         this.callback.call(null, timer);
  17     }
  18 };
  19
  20 function call_after_timeout (callback, timeout) {
  21     var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
  22     timer.initWithCallback(new timer_callback(callback), timeout, Ci.nsITimer.TYPE_ONE_SHOT);
  23     return timer;
  24 }
  25
  26 function call_at_interval (callback, interval) {
  27     var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
  28     timer.initWithCallback(new timer_callback(callback), interval, Ci.nsITimer.TYPE_REPEATING_SLACK);
  29     return timer;
  30 }
  31
  32 function call_at_precise_interval (callback, interval) {
  33     var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
  34     timer.initWithCallback(new timer_callback(callback), interval, Ci.nsITimer.TYPE_REPEATING_PRECISE);
  35     return timer;
  36 }
  37
  38 function timer_cancel (timer) {
  39     timer.cancel();
  40 }
  41
  42 provide("timer");