this.logIn = ((function(type) {
    var user;
    return $traceurRuntime.asyncWrap(function($ctx) {
      while (true)
        switch ($ctx.state) {
          case 0:
            switch (type) {
              case 'facebook':
                $ctx.state = 1;
                break;
              case 'google':
                $ctx.state = 6;
                break;
              default:
                $ctx.state = 11;
                break;
            }
            break;
          case 2:
            user = $ctx.value;
            $ctx.state = 15;
            break;
          case 1:
            Promise.resolve(Auth.loginFacebook()).then($ctx.createCallback(2), $ctx.errback);
            return;
          case 7:
            user = $ctx.value;
            $ctx.state = 15;
            break;
          case 6:
            Promise.resolve(Auth.loginGoogle()).then($ctx.createCallback(7), $ctx.errback);
            return;
          case 12:
            $ctx.state = -2;
            break;
          case 11:
            $ctx.returnValue = $q.reject(new Error("Unsupported login provider!"));
            $ctx.state = 12;
            break;
          case 15:
            $__0.onUserChanged(user);
            $ctx.state = -2;
            break;
          default:
            return $ctx.end();
        }
    }, this);
  })).asyncErrors();