Misago/misago/emberapp/app/services/clock.js

import Ember from 'ember';
import ENV from '../config/environment';

export default Ember.Object.extend({
  tick: Ember.computed.oneWay('_tick').readOnly(),

  doTick: function () {
    var self = this;
    Ember.run.later(function () {
      self.set('_tick', !self.get('_tick'));
    }, ENV.APP.TICK_FREQUENCY);
  }.observes('_tick').on('init'),

  _tick: false
});