(function () {
    "use strict";

    var streamApp = angular.module('streamApp');

    streamApp.directive('processingDirective', [ProcessingDirective]);

    function ProcessingDirective() {
        return {
            restrict: 'E',
            scope: {
                messages: '=',
                show: '='

            },
            templateUrl: '/App/Directives/processingDirective/processingDirective.html?v=6.0.0c',
            link: function (scope, element, attrs, tabsCtrl) {
                scope.$watch('show', function () {
                    if (scope.show && scope.show.length) {
                        window.onbeforeunload = function () {
                            return true;
                        };
                    } else {
                        window.onbeforeunload = null;
                    }
                    
                });
            }
        };
    }

}());