From 0504bec81da3bb3b5c3e6a918ffa205849de72d5 Mon Sep 17 00:00:00 2001
From: Leo Franchi <lfranchi@kde.org>
Date: Wed, 14 Sep 2011 22:28:46 -0400
Subject: [PATCH] Add a Tomahawk.asyncRequest for async calls, ALL RESOLVERS
 SHOULD USE THIS

---
 data/js/tomahawk.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/data/js/tomahawk.js b/data/js/tomahawk.js
index c95562a5c..17cc645bc 100644
--- a/data/js/tomahawk.js
+++ b/data/js/tomahawk.js
@@ -184,6 +184,21 @@ Tomahawk.syncRequest = function(url)
 	}
 };
 
+Tomahawk.asyncRequest = function(url, callback)
+{
+    var xmlHttpRequest = new XMLHttpRequest();
+    xmlHttpRequest.open('GET', url, true);
+    xmlHttpRequest.onreadystatechange = function() {
+        if (xmlHttpRequest.readyState == 4 && xmlHttpRequest.status == 200) {
+            callback.call(window, xmlHttpRequest);
+        } else if (xmlHttpRequest.readyState === 4) {
+            Tomahawk.log("Failed to do GET request: to: " + url);
+            Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
+        }
+    }
+    xmlHttpRequest.send(null);
+};
+
 /**
 *
 * Secure Hash Algorithm (SHA256)