StreamController.js

/**
 * Display loading indicator while view model data is being synced 
 * Set up container view and its subviews
 * Fade in container
 * @return {Promise}
 */
StreamController.prototype.start = function()
{
  this.container        = this.setupCommunityStream();
  this.loadingIndicator = this.setupLoadingIndicator();

  this.views.addView(this.loadingIndicator);

  this.setupHeader();
  this.setupNavigationBar();

  this.fetchAsyncContent();
};

/**
 * Ensure all async action is done before injecting container view
 * @param {number} retries
 */
StreamController.prototype.fetchAsyncContent = function(retries)
{
  retries = retries || 0;
  var _this = this;

  return Promise.all([
    this.setupTopStreaming(),
    this.setupSidebar()
  ])
  .timeout(MAX_FETCH_TIME_ALLOWED)
  .then(function() {
    _this.views.removeView(_this.loadingIndicator);
    _this.views.addView(_this.container);

    process.nextTick(function() {
      _this.container.fadeIn();
    });
  })
  .catch(function(e) {
    if (retries < 3) {
      _this.loadingIndicator.model.setAsRetrying();
      return _this.fetchAsyncContent(retries + 1);
    }
    else {
      _this.loadingIndicator.model.setAsFailed();
      _this.loadingIndicator.hideSpinner();
    }
  });
};