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containerTopOffset + height(element);\r\n        }\r\n\r\n        const remaining = elementBottom - containerBottom;\r\n        const shouldScroll = remaining <= height(container) * scrollDistance + 1;\r\n        if (shouldScroll) {\r\n          checkWhenEnabled = true;\r\n          if (scrollEnabled) {\r\n            if (scope.$$phase || $rootScope.$$phase) {\r\n              return scope.infiniteScroll();\r\n            }\r\n            return scope.$apply(scope.infiniteScroll);\r\n          }\r\n        } else {\r\n          checkWhenEnabled = false;\r\n          return checkWhenEnabled;\r\n        }\r\n      }\r\n\r\n      const throttledHandler = throttle(handler, THROTTLE_MILLISECONDS);\r\n\r\n      function handleInfiniteScrollDistance(value) {\r\n        return parseFloat(value) || 0;\r\n      }\r\n\r\n      function handleInfiniteScrollDisabled(value) {\r\n        scrollEnabled = !value;\r\n        if (scrollEnabled && checkWhenEnabled) {\r\n          checkWhenEnabled = false;\r\n          handler();\r\n        }\r\n      }\r\n\r\n      function setContainer(newContainer) {\r\n        container = newContainer;\r\n        if (newContainer !== null) {\r\n          container.bind('scroll', throttledHandler);\r\n        }\r\n      }\r\n\r\n      scope.$on('$destroy', () => {\r\n        container.unbind('scroll', throttledHandler);\r\n        unwatch();\r\n        unwatch = null;\r\n      });\r\n\r\n      scrollEnabled = true;\r\n      let unwatch = scope.$watch(() => scope.infiniteScrollDisabled, handleInfiniteScrollDisabled);\r\n\r\n      scrollDistance = handleInfiniteScrollDistance(scope.infiniteScrollDistance);\r\n\r\n      if (angular.isDefined(attrs.infiniteScrollGrandParent) && scope.infiniteScrollGrandParent) {\r\n        setContainer(angular.element(element.parent().parent()));\r\n      } else if (angular.isDefined(attrs.infiniteScrollParent)) {\r\n        setContainer(angular.element(element.parent()));\r\n      } else {\r\n        setContainer(windowElement);\r\n      }\r\n    }\r\n  });\r\n"],"sourceRoot":""}