handle_rpc_json: do not crash if net-alert is somehow unavailable

[tt-rss.git] / js / tt-rss.js

diff --git a/js/tt-rss.js b/js/tt-rss.js
index bb23169ec16ce91866cb7d9876c023bca01c4fe1..a66411d11d507f0e123d942756088e5e3b32789c 100644 (file)
--- a/js/tt-rss.js
+++ b/js/tt-rss.js
@@ -989,6 +989,12 @@ function handle_rpc_json(transport, scheduled_call) {
        try {
                var reply = JSON.parse(transport.responseText);
 
+               var netalert_dijit = dijit.byId("net-alert");
+               var netalert = false;
+
+               if (netalert_dijit)
+                       netalert = netalert_dijit.domNode;
+
                if (reply) {
 
                        var error = reply['error'];
@@ -1035,16 +1041,21 @@ function handle_rpc_json(transport, scheduled_call) {
                        if (runtime_info)
                                parse_runtime_info(runtime_info);
 
-                       Element.hide(dijit.byId("net-alert").domNode);
+                       if (netalert) Element.hide(netalert);
 
                } else {
-                       //notify_error("Error communicating with server.");
-                       Element.show(dijit.byId("net-alert").domNode);
+                       if (netalert)
+                               Element.show(netalert);
+                       else
+                               notify_error("Communication problem with server.");
                }
 
        } catch (e) {
-               Element.show(dijit.byId("net-alert").domNode);
-               //notify_error("Error communicating with server.");
+               if (netalert)
+                       Element.show(netalert);
+               else
+                       notify_error("Communication problem with server.");
+
                console.log(e);
                //exception_error("handle_rpc_json", e, transport);
        }