loginController.js

'use strict';
  
angular.module('Authentication', ['TCS'])
  
.controller('LoginController',
    ['$scope', '$rootScope', '$location', 'AuthenticationService',
    function ($scope, $rootScope, $location, AuthenticationService, tcs_modal) {
        // reset login status
        AuthenticationService.ClearCredentials();
  
        $scope.login = function (user) {
            tcs_modal(1, 'Cargando ...', '');
            console.log('xx');
            AuthenticationService.Login(user.username, user.password, function(response) {
                if(response.transaccion === SUCCESS) {
              //      TCS.modal(0, '', '');
                    $scope.v_success = true;
                    $scope.v_error = false;
                    $scope.v_mensaje = response.mensaje;
                    AuthenticationService.SetCredentials(user.username, user.password);
                    $location.path('/');
                } else {
                //    TCS.modal(0, '', '');
                    $scope.v_success = false;
                    $scope.v_error = true;
                    $scope.v_mensaje = response.mensaje;
                }
            });
        };
    }]);

tcs.js

'use strict';
  
angular.module('TCS', [])

.factory('tcs_modal', function(mostrar, mensaje, mensajeHtml) {
    var modalTrns = 'hide';
    if (mostrar === 1) {
        modalTrns = 'show';
    }

    $.mobile.loading( modalTrns, {
        text: mensaje,
        textVisible: true,
        theme: 'b',
        html: mensajeHtml
    });
});