adjustBuffer counters

mfeingold · mfeingold · commit 727cd0ca4151 · 2016-03-14T17:51:22.000-05:00
diff --git a/demo/examples/scopeDatasource.html b/demo/examples/scopeDatasource.html
@@ -10,11 +10,11 @@
 </head>
 <body ng-controller="mainController">
 
-<h2 style="position: fixed; left: 150px; top: 0;">is loading: {{loading}}; &nbsp; &nbsp; &nbsp; <a href="../index.html"> browse sample code</a></h2>
+<h2 style="position: fixed; left: 150px; top: 0;">is loading: {{loading}}; &nbsp; &nbsp; &nbsp; <a href="../index.html"> browse sample code</a><br/>counters: ab {{adapter.abCount}} abf {{adapter.abfCount}} s {{adapter.sCount}}</h2>
 
 <div ui-scroll-viewport style="width: 340px; height: 300px; display: block; background-color: white;">
     <ul>
-        <li ui-scroll="item in datasource"  is-loading="loading">*{{item}}*</li>
+        <li ui-scroll="item in datasource" adapter="adapter" is-loading="loading">*{{item}}*</li>
     </ul>
 </div>
 
diff --git a/src/ui-scroll.js b/src/ui-scroll.js
@@ -610,6 +610,10 @@ angular.module('ui.scroll', [])
             viewport.resetTopPaddingHeight();
             viewport.resetBottomPaddingHeight();
 
+            adapter.abCount = 0;
+            adapter.abfCount = 0;
+            adapter.sCount = 0;
+
             if (arguments.length) {
               buffer.clear(arguments[0]);
             } else {
@@ -725,6 +729,7 @@ angular.module('ui.scroll', [])
           function adjustBuffer(rid) {
             // We need the item bindings to be processed before we can do adjustment
             return $timeout(() => {
+              adapter.abCount++;
               processBufferedItems(rid);
 
               if (viewport.shouldLoadBottom()) {
@@ -742,6 +747,7 @@ angular.module('ui.scroll', [])
           function adjustBufferAfterFetch(rid) {
             // We need the item bindings to be processed before we can do adjustment
             return $timeout(() => {
+              adapter.abfCount++;
               let keepFetching = processBufferedItems(rid);
 
               if (viewport.shouldLoadBottom() && keepFetching) {
@@ -821,6 +827,7 @@ angular.module('ui.scroll', [])
 
           function resizeAndScrollHandler() {
             if (!$rootScope.$$phase && !adapter.isLoading) {
+              adapter.sCount++;
               adjustBuffer();
             }
           }
