public/bower_components/ngInfiniteScroll/ng-infinite-scroll.js

   1 /* ng-infinite-scroll - v1.0.0 - 2013-02-23 */
   2 var mod;
   3
   4 mod = angular.module('infinite-scroll', []);
   5
   6 mod.directive('infiniteScroll', [
   7   '$rootScope', '$window', '$timeout', function($rootScope, $window, $timeout) {
   8     return {
   9       link: function(scope, elem, attrs) {
  10         var checkWhenEnabled, handler, scrollDistance, scrollEnabled;
  11         $window = angular.element($window);
  12         scrollDistance = 0;
  13         if (attrs.infiniteScrollDistance != null) {
  14           scope.$watch(attrs.infiniteScrollDistance, function(value) {
  15             return scrollDistance = parseInt(value, 10);
  16           });
  17         }
  18         scrollEnabled = true;
  19         checkWhenEnabled = false;
  20         if (attrs.infiniteScrollDisabled != null) {
  21           scope.$watch(attrs.infiniteScrollDisabled, function(value) {
  22             scrollEnabled = !value;
  23             if (scrollEnabled && checkWhenEnabled) {
  24               checkWhenEnabled = false;
  25               return handler();
  26             }
  27           });
  28         }
  29         handler = function() {
  30           var elementBottom, remaining, shouldScroll, windowBottom;
  31           windowBottom = $window.height() + $window.scrollTop();
  32           elementBottom = elem.offset().top + elem.height();
  33           remaining = elementBottom - windowBottom;
  34           shouldScroll = remaining <= $window.height() * scrollDistance;
  35           if (shouldScroll && scrollEnabled) {
  36             if ($rootScope.$$phase) {
  37               return scope.$eval(attrs.infiniteScroll);
  38             } else {
  39               return scope.$apply(attrs.infiniteScroll);
  40             }
  41           } else if (shouldScroll) {
  42             return checkWhenEnabled = true;
  43           }
  44         };
  45         $window.on('scroll', handler);
  46         scope.$on('$destroy', function() {
  47           return $window.off('scroll', handler);
  48         });
  49         return $timeout((function() {
  50           if (attrs.infiniteScrollImmediateCheck) {
  51             if (scope.$eval(attrs.infiniteScrollImmediateCheck)) {
  52               return handler();
  53             }
  54           } else {
  55             return handler();
  56           }
  57         }), 0);
  58       }
  59     };
  60   }
  61 ]);