rough initial code for iPhone phonegap app

1 files changed, 50 insertions, 0 deletions

diff --git a/phonegap/www/jslib/utils.js b/phonegap/www/jslib/utils.js
new file mode 100644
index 000000000..ffc6d44bd
--- /dev/null
+++ b/phonegap/www/jslib/utils.js
@@ -0,0 +1,50 @@
+/*
+ * utils.js
+ * Useful javascript functions, shared between mySociety sites.
+ * 
+ * Copyright (c) 2006 UK Citizens Online Democracy. All rights reserved.
+ * Email: francis@mysociety.org. WWW: http://www.mysociety.org
+ *
+ * $Id: utils.js,v 1.3 2006-10-10 15:53:05 matthew Exp $
+ * 
+ */
+
+mySociety = { 
+    /* Returns an XMLHTTP object, if available.
+     * Returns false if XMLHTTP not supported. */
+    getXMLHTTP : function() {
+        var xmlhttp=false;
+        /*@cc_on @*/
+        /*@if (@_jscript_version >= 5)
+        // JScript gives us Conditional compilation, we can cope with old IE versions.
+        // and security blocked creation of the objects.
+        try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
+        catch (e) {
+            try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
+            catch (E) { xmlhttp = false; }
+        }
+        @end @*/
+        if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
+            try { xmlhttp = new XMLHttpRequest(); }
+            catch (e) { xmlhttp=false; }
+        }
+        if (!xmlhttp && window.createRequest) {
+            try { xmlhttp = window.createRequest(); }
+            catch (e) { xmlhttp=false; }
+        }
+        return xmlhttp;
+    },
+
+    asyncRequest : function(url, func) {
+        var xmlhttp = mySociety.getXMLHTTP();
+        if (!xmlhttp) 
+            return false;
+        xmlhttp.open('GET', url, true);
+        xmlhttp.onreadystatechange = function() {
+            func(xmlhttp);
+        }
+        xmlhttp.send(null);
+        return xmlhttp;
+    }
+}
+