@emartech/faye-redis-sharded/vendor/faye/javascript/mixins/publisher.js

Redis backend engine for Faye with support for sharding

Faye.Publisher = {
  countListeners: function(eventType) {
    return this.listeners(eventType).length;
  },

  bind: function(eventType, listener, context) {
    var slice   = Array.prototype.slice,
        handler = function() { listener.apply(context, slice.call(arguments)) };

    this._listeners = this._listeners || [];
    this._listeners.push([eventType, listener, context, handler]);
    return this.on(eventType, handler);
  },

  unbind: function(eventType, listener, context) {
    this._listeners = this._listeners || [];
    var n = this._listeners.length, tuple;

    while (n--) {
      tuple = this._listeners[n];
      if (tuple[0] !== eventType) continue;
      if (listener && (tuple[1] !== listener || tuple[2] !== context)) continue;
      this._listeners.splice(n, 1);
      this.removeListener(eventType, tuple[3]);
    }
  }
};

Faye.extend(Faye.Publisher, Faye.EventEmitter.prototype);
Faye.Publisher.trigger = Faye.Publisher.emit;