https://www.rigips.ch/domains/rigips_ch/appBuilder/app/v1/news/se_news/inc/js/taggedInfiniteScroll.js

1/*! tagged-infinite-scroll - v1.1.1 - 2015-07-17 */
2(function (root, factory) {
3  if (typeof define === 'function' && define.amd) {
4    // AMD. Register as an anonymous module.
5    define(['angular'], factory);
6  } else {
7    // Browser globals
8    root.taggedInfiniteScroll = factory(root.angular);
9  }
10}(this, function (angular) {
11  "use strict";
12
13  // Allows a container to support infinite scroll
14  // Based on: http://binarymuse.github.io/ngInfiniteScroll/
15  var module = angular.module('tagged.directives.infiniteScroll', []);
16
17  module.directive('taggedInfiniteScroll', ['$window', '$timeout', function($window, $timeout) {
18    return {
19      scope: {
20        callback: '&taggedInfiniteScroll',
21        distance: '=taggedInfiniteScrollDistance',
22        disabled: '=taggedInfiniteScrollDisabled'
23      },
24      link: function(scope, elem, attrs) {
25        var win = angular.element($window);
26
27        var onScroll = function(oldValue, newValue) {
28          // Do nothing if infinite scroll has been disabled
29          if (scope.disabled) {
30            return;
31          }
32          var windowHeight = win[0].innerHeight;
33          var elementBottom = elem[0].offsetTop + elem[0].offsetHeight;
34          var windowBottom = windowHeight + (win[0].scrollY || win[0].pageYOffset);
35          var remaining = elementBottom - windowBottom;
36          var shouldGetMore = (remaining - parseInt(scope.distance || 0, 10) <= 0);
37
38          if (shouldGetMore) {
39            $timeout(scope.callback);
40          }
41        };
42
43        // Check immediately if we need more items upon reenabling.
44        scope.$watch('disabled', function(isDisabled){
45            if (false === isDisabled) onScroll();
46        });
47
48        win.bind('scroll', onScroll);
49
50        // Remove window scroll handler when this element is removed.
51        scope.$on('$destroy', function() {
52          win.unbind('scroll', onScroll);
53        });
54
55        // Check on next event loop to give the browser a moment to paint.
56        // Otherwise, the calculations may be off.
57        $timeout(onScroll);
58      }
59    };
60  }]);
61
62  // Just return a value to define the module export.
63  // This example returns an object, but the module
64  // can return a function as the exported value.
65  return module;
66}));