topics: improve handling topics without callbacks subscribed

rhodecode/public/js/src/rhodecode.js

@@ -384,7 +384,7 @@ $(document).ready(function() {
 
                 tr[0].scrollIntoView();
 
-                $.Topic('/ui/plugins/code/anchor_focus').prepare({
+                $.Topic('/ui/plugins/code/anchor_focus').prepareOrPublish({
                     tr:tr,
                     remainder:remainder});
             }

rhodecode/public/js/src/rhodecode/comments.js

@@ -210,7 +210,7 @@ var injectInlineForm = function(tr){
       }
   }, 10);
 
-    $.Topic('/ui/plugins/code/comment_form_built').prepare({
+    $.Topic('/ui/plugins/code/comment_form_built').prepareOrPublish({
         form:_form,
         parent:_parent}
     );

rhodecode/public/js/src/rhodecode/utils/topics.js

@@ -32,6 +32,14 @@ jQuery.Topic = function (id) {
                     this.unhandledData.push(arguments[i]);
                 }
             },
+            prepareOrPublish: function(){
+                if (callbacks.has() === true){
+                    this.publish.apply(this, arguments);
+                }
+                else{
+                    this.prepare.apply(this, arguments);
+                }
+            },
             processPrepared: function(){
                 var data = this.unhandledData;
                 this.unhandledData = [];
@@ -40,7 +48,8 @@ jQuery.Topic = function (id) {
                 }
             },
             subscribe: callbacks.add,
-            unsubscribe: callbacks.remove
+            unsubscribe: callbacks.remove,
+            callbacks: callbacks
         };
         if (id) {
             topics[id] = topic;

rhodecode/templates/base/plugins_base.html

@@ -10,5 +10,5 @@ ${pyramid_render(config['template_hooks'].get('plugin_init_template'),
 % endif
 % endfor
 <script>
-    $.Topic('/plugins/__REGISTER__').publish({});
+    $.Topic('/plugins/__REGISTER__').prepareOrPublish({});
 </script>