js/ui/xdomain.js

   1 qwebirc.xdomain.Poller = new Class({
   2   initialize: function(callback) {
   3     this._callback = callback;
   4     this._poll.periodical(100, this);
   5     this._lastValue = null;
   6     this._counter = -1;
   7   },
   8   _poll: function() {
   9     var value = window.location.href;
  10     if(value === null || value === undefined || value == this._lastValue)
  11       return;
  12     this._lastValue = value;
  13     var fragment = value.splitMax("#", 2)[1];
  14
  15     if(fragment === undefined || fragment.substr(0, 6) != "qwmsg:")
  16       return;
  17
  18     var components = fragment.substr(6).split(":", 3);
  19     var counter = parseInt(components[0]);
  20     if(counter <= this._counter)
  21       return;
  22
  23     this._counter = counter;
  24
  25     var len = parseInt(components[1]);
  26     var message = decodeURIComponent(components[2]);
  27     if(len != message.length)
  28       return;
  29
  30     message = message.replaceAll("\000", "").replaceAll("\n", "").replaceAll("\r", "");
  31     this._callback(message);
  32   }
  33 });