Angular Oauth Popup Handling

gistfile1.js

  this.socialLogin = function(provider) {
    $window.$scope = $rootScope;

   var url = urlBase + '/' + provider,
      width = 1000,
      height = 650,
      top = (window.outerHeight - height) / 2,
      left = (window.outerWidth - width) / 2,
      interval = 1000;

    var options = 'width=' + width + ',height=' + height + ',scrollbars=0,top=' + top + ',left=' + left;

    var socialPopup = $window.open(url, 'Social Login', options);

    // create an ever increasing interval to check a certain global value getting assigned in the popup
    var i = $interval(function(){
      interval += 500;
      try {
        // value is the user_id returned
        if (socialPopup.value){
          $interval.cancel(i);
          socialPopup.close();
        }
      } catch(e){
        console.error(e);
      }
    }, interval);
  };