remove some more raw xmlhttp code

[tt-rss.git] / functions.js

diff --git a/functions.js b/functions.js
index 5414e2bb878c0b551aa9bca9a97c77165eab8902..b8a7042577d03401d8a1e7c97627f23f0330360e 100644 (file)
--- a/functions.js
+++ b/functions.js
@@ -718,14 +718,14 @@ function parse_counters(reply, scheduled_call) {
        }
 }
 
-function parse_counters_reply(xmlhttp, scheduled_call) {
+function parse_counters_reply(transport, scheduled_call) {
 
-       if (!xmlhttp.responseXML) {
+       if (!transport.responseXML) {
                notify_error("Backend did not return valid XML", true);
                return;
        }
 
-       var reply = xmlhttp.responseXML.firstChild;
+       var reply = transport.responseXML.firstChild;
        
        if (!reply) {
                notify_error("Backend did not return expected XML object", true);
@@ -1275,39 +1275,34 @@ function closeInfoBox(cleanup) {
 
 function displayDlg(id, param) {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        notify_progress("Loading, please wait...", true);
 
-       xmlhttp.open("GET", "backend.php?op=dlg&id=" +
-               param_escape(id) + "&param=" + param_escape(param), true);
-       xmlhttp.onreadystatechange=infobox_callback;
-       xmlhttp.send(null);
-
        disableHotkeys();
 
+       var query = "backend.php?op=dlg&id=" +
+               param_escape(id) + "&param=" + param_escape(param);
+
+       new Ajax.Request(query, {
+               onComplete: function (transport) {
+                       infobox_callback2(transport);
+               } });
+
        return false;
 }
 
-function infobox_submit_callback() {
-       if (xmlhttp.readyState == 4) {
-               closeInfoBox();
-
-               try {
-                       // called from prefs, reload tab
-                       if (active_tab) {
-                               selectTab(active_tab, false);
-                       }
-               } catch (e) { }
+function infobox_submit_callback2(transport) {
+       closeInfoBox();
 
-               if (xmlhttp.responseText) {
-                       notify_info(xmlhttp.responseText);
+       try {
+               // called from prefs, reload tab
+               if (active_tab) {
+                       selectTab(active_tab, false);
                }
+       } catch (e) { }
 
-       } 
+       if (transport.responseText) {
+               notify_info(transport.responseText);
+       }
 }
 
 function infobox_callback2(transport) {
@@ -1352,19 +1347,8 @@ function infobox_callback2(transport) {
        }
 }
 
-function infobox_callback() {
-       if (xmlhttp.readyState == 4) {
-               infobox_callback2(xmlhttp);
-       }
-}
-
 function addFilter() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        var form = document.forms['filter_add_form'];
        var reg_exp = form.reg_exp.value;
 
@@ -1375,10 +1359,11 @@ function addFilter() {
 
        var query = Form.serialize("filter_add_form");
 
-       xmlhttp.open("GET", "backend.php?" + query, true);
-       xmlhttp.onreadystatechange=infobox_submit_callback;
-       xmlhttp.send(null);
-
+       new Ajax.Request("backend.php?" + query, {
+               onComplete: function (transport) {
+                       infobox_submit_callback2(transport);
+               } });
+       
        return true;
 }
 
@@ -1396,11 +1381,6 @@ function isValidURL(s) {
 
 function qaddFeed() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        var form = document.forms['feed_add_form'];
        var feed_url = form.feed_url.value;
 
@@ -1421,14 +1401,11 @@ function qaddFeed() {
        
        debug("subscribe q: " + query);
 
-/*     xmlhttp.open("GET", "backend.php?" + query, true);
-       xmlhttp.onreadystatechange=dlg_frefresh_callback;
-       xmlhttp.send(null); */
-
-       xmlhttp.open("POST", "backend.php", true);
-       xmlhttp.onreadystatechange=dlg_frefresh_callback;
-       xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-       xmlhttp.send(query);
+       new Ajax.Request("backend.php", {
+               parameters: query,
+               onComplete: function(transport) { 
+                       dlg_frefresh_callback(transport); 
+               } });
 
        return false;
 }
@@ -1667,35 +1644,46 @@ Position.Center = function(element, parent) {
         element.style.left = (pw/2) - (w/2) -  Position.deltaX + "px";
 }
 
-function labeltest_callback() {
-       var container = document.getElementById('label_test_result');
-       if (xmlhttp.readyState == 4) {
 
-               container.innerHTML=xmlhttp.responseText;
+function labeltest_callback(transport) {
+       try {
+               var container = document.getElementById('label_test_result');
+       
+               container.innerHTML = transport.responseText;
                if (!Element.visible(container)) {
                        Effect.SlideDown(container, { duration : 0.5 });
                }
+
                notify("");
+       } catch (e) {
+               exception_error("labeltest_callback", e);
        }
 }
 
 function labelTest() {
 
-       var container = document.getElementById('label_test_result');
-
-       var form = document.forms['label_edit_form'];
-
-       var sql_exp = form.sql_exp.value;
-       var description = form.description.value;
-
-       notify_progress("Loading, please wait...");
-
-       xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
-               param_escape(sql_exp) + "&descr=" + param_escape(description), true);
-
-       xmlhttp.onreadystatechange=labeltest_callback;
-       xmlhttp.send(null);
+       try {
+               var container = document.getElementById('label_test_result');
+       
+               var form = document.forms['label_edit_form'];
+       
+               var sql_exp = form.sql_exp.value;
+               var description = form.description.value;
+       
+               notify_progress("Loading, please wait...");
+       
+               var query = "backend.php?op=pref-labels&subop=test&expr=" +
+                       param_escape(sql_exp) + "&descr=" + param_escape(description);
+       
+               new Ajax.Request(query, {
+                       onComplete: function (transport) {
+                               labeltest_callback(transport);
+                       } });
+       
+               return false;
 
-       return false;
+       } catch (e) {
+               exception_error("labelTest", e);
+       }
 }