handleInertia attr

Author: dhilt

src/ui-scroll.js

@@ -73,10 +73,16 @@ angular.module('ui.scroll', [])
           return parseNumber(result, defaultValue, isFloat);
         }
 
+        function parseBooleanAttr(value, defaultValue) {
+          const result = $parse(value)($scope);
+          return typeof result === 'boolean' ? result : defaultValue;
+        }
+
         const BUFFER_MIN = 3;
         const BUFFER_DEFAULT = 10;
         const PADDING_MIN = 0.3;
         const PADDING_DEFAULT = 0.5;
+        const HANDLE_INERTIA_DEFAULT = true;
         const START_INDEX_DEFAULT = 1;
         const MAX_VIEWPORT_DELAY = 500;
         const VIEWPORT_POLLING_INTERVAL = 50;
@@ -87,6 +93,7 @@ angular.module('ui.scroll', [])
         const viewportController = controllers[0];
         const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));
         const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT, true));
+        const handleInertia = parseBooleanAttr($attr.handleInertia, HANDLE_INERTIA_DEFAULT);
         let startIndex = parseNumericAttr($attr.startIndex, START_INDEX_DEFAULT);
         let ridActual = 0; // current data revision id
         let pending = [];
@@ -501,7 +508,7 @@ angular.module('ui.scroll', [])
         }
 
         function resizeAndScrollHandler() {
-          if (fixInertia()) {
+          if (handleInertia && fixInertia()) {
             return;
           }
           if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {

test/misc/scaffolding.js

@@ -12,12 +12,13 @@ function createHtml(settings) {
   var adapter = settings.adapter ? ' adapter="' + settings.adapter + '"' : '';
   var template = settings.template ? settings.template : '{{$index}}: {{item}}';
   var startIndex = settings.startIndex ? ' start-index="' + settings.startIndex + '"' : '';
+  var inertia = ' handle-inertia="false"';
   var extra = settings.extra || '';
   return '<div ui-scroll-viewport' + viewportStyle + '>' +
     (settings.wrapper ? settings.wrapper.start : '') +
     '<div class="item" ui-scroll="item in ' + settings.datasource + '"' +
     adapter +
-    itemStyle + bufferSize + padding + isLoading + topVisible + disabled + startIndex + extra + '>' +
+    itemStyle + bufferSize + padding + isLoading + topVisible + disabled + startIndex + inertia + extra + '>' +
     template +
     '</div>' +
     (settings.wrapper ? settings.wrapper.end : '') +
@@ -35,6 +36,7 @@ function finalize(scroller, options, scope, $timeout) {
 }
 
 function augmentScroller(scroller) {
+  'use strict';
   var scrollTop = scroller.scrollTop;
   scroller.scrollTop = function () {
     var result = scrollTop.apply(scroller, arguments);