/*!
 * headroom.js v0.7.0 - Give your page some headroom. Hide your header until you need it
 * Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/headroom.js
 * License: MIT
 */
angular.module('VTO').directive('headroom', ['settings', function(settings) {
    return {
        restrict: 'EA',
        scope: {
            tolerance: '=',
            offset: '=',
            classes: '=',
            scroller: '@'
        },
        link: function (scope, element) {
            if (settings.IsSize.MD() || settings.IsSize.LG()) {
                return;
            }

            var options = {};
            angular.forEach(Headroom.options, function(value, key) {
                options[key] = scope[key] || Headroom.options[key];
            });
            if (options.scroller) {
                options.scroller = angular.element(options.scroller)[0];
            }
            var headroom = new Headroom(element[0], options);
            headroom.init();
            scope.$on('destroy', function() {
                headroom.destroy();
            });
        }
    };
}]);