[extensions-web] paginator: Cancel any outstanding requests before making a new one

[Jasper St. Pierre <jstpierre src gnome org>]

commit 49d6258f03d078da9b8753c0c0ff95f3c4a2bba4
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Mar 7 16:32:51 2012 -0500

    paginator: Cancel any outstanding requests before making a new one
    
    This should prevent results from an older query overwriting a new one,
    which is quite popular with live typing.

 sweettooth/static/js/paginator.js |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/sweettooth/static/js/paginator.js b/sweettooth/static/js/paginator.js
index ef920db..af3fdbf 100644
--- a/sweettooth/static/js/paginator.js
+++ b/sweettooth/static/js/paginator.js
@@ -20,6 +20,8 @@ define(['jquery', 'hashparamutils',
         var $beforePaginator = null;
         var $afterPaginator = null;
 
+        var currentRequest = null;
+
         function loadPage() {
             $elem.addClass('loading');
             $loadingPageContent.prependTo($elem);
@@ -30,7 +32,10 @@ define(['jquery', 'hashparamutils',
             else
                 hashCopy = hashParams;
 
-            $.ajax({
+            if (currentRequest !== null)
+                currentRequest.abort();
+
+            currentRequest = $.ajax({
                 url: url,
                 dataType: 'json',
                 data: hashCopy,