"use strict";
(function () {
    'use strict';
    angular.module('myitsmApp')
        .directive('infinityScroll', function () {
        return {
            restrict: 'A',
            replace: true,
            scope: {
                scrollHandler: '&infinityScroll'
            },
            link: function ($scope, iElement) {
                function onScroll() {
                    //note: https://github.com/angular-ui/ui-grid/issues/3915
                    // Mac (expecially when using touchpad) does scroll with step 1, and having step 10 cases calling
                    // a callback even when scrolling top.
                    var threshold = navigator.platform.indexOf('Mac') > -1 ? 0 : 10;
                    if (iElement[0].scrollHeight <= (iElement.scrollTop() + iElement.outerHeight() + threshold)) {
                        $scope.scrollHandler();
                    }
                }
                iElement
                    .off('scroll')
                    .on('scroll', onScroll);
                $scope.$on('$destroy', function () {
                    iElement.off('scroll', onScroll);
                });
            }
        };
    });
}());