frontend: remove unused chat code and convert it to topics

rhodecode/public/js/topics_list.txt

@@ -0,0 +1,3 b''
+/plugins/__REGISTER__ - launched after the onDomReady() code from rhodecode.js is executed
+/ui/plugins/code/anchor_focus - launched when rc starts to scroll on load to anchor on PR/Codeview
+/ui/plugins/code/comment_form_built - launched when injectInlineForm() is executed and the form object is created

rhodecode/public/js/src/rhodecode.js

@@ -385,29 +385,17 b' function offsetScroll(element, offset){'
             if (lineno.length > 0){
                 var tr = lineno.parents('tr.line');
                 tr.addClass('selected');
+                $.Topic('/ui/plugins/code/anchor_focus').prepare({
+                    tr:tr,
+                    remainder:remainder});
 
-                // once we scrolled into our line, trigger chat app
-                if (remainder){
-                    tr.find('.add-comment-line a').trigger( "click" );
-                    setTimeout(function(){
-                        var nextNode = $(tr).next();
-                        if(nextNode.hasClass('inline-comments')){
-                            nextNode.next().find('.switch-to-chat').trigger( "click" );
-                        }
-                        else{
-                            nextNode.find('.switch-to-chat').trigger( "click" );
-                        }
-                        // trigger scroll into, later so all elements are already loaded
-                        tr[0].scrollIntoView();
-                    }, 250);
-
-                }
-                else{
+                if (!remainder){
                     tr[0].scrollIntoView();
                 }
             }
         }
-    };
+    }
 
     collapsableContent();
+    $.Topic('/plugins/__REGISTER__').prepare({});
 });

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

@@ -150,19 +150,6 b' var injectInlineForm = function(tr){'
 
   var _form = $(f).find('.inline-form').get(0);
 
-  $('.switch-to-chat', _form).on('click', function(evt){
-    var fParent = $(_parent).closest('.injected_diff').parent().prev('*[fid]');
-    var fid = fParent.attr('fid');
-
-    // activate chat and trigger subscription to channels
-    $.Topic('/chat_controller').publish({
-      action:'subscribe_to_channels',
-      data: ['/chat${0}$/fid/{1}/{2}'.format(templateContext.repo_name, fid, lineno)]
-    });
-    $(_form).closest('td').find('.comment-inline-form').addClass('hidden');
-    $(_form).closest('td').find('.chat-holder').removeClass('hidden');
-  });
-
   var pullRequestId = templateContext.pull_request_data.pull_request_id;
   var commitId = templateContext.commit_data.commit_id;
 
@@ -224,6 +211,10 b' var injectInlineForm = function(tr){'
       }
   }, 10);
 
+    $.Topic('/ui/plugins/code/comment_form_built').prepare({
+        form:_form,
+        parent:_parent}
+    );
 };
 
 var deleteComment = function(comment_id) {