Do not show chat in navbar until chat is enabled.

app/assets/javascripts/app/controllers/chat.coffee

@@ -80,6 +80,11 @@ class App.CustomerChat extends App.Controller
         active: @meta.active
     )
 
+  featureActive: =>
+    if @Config.get('chat')
+      return true
+    false
+
   render: ->
     if !@isRole('Chat')
       @renderScreenUnauthorized(objectName: 'Chat')
@@ -713,4 +718,4 @@ class Setting extends App.ControllerModal
 
 App.Config.set( 'customer_chat', CustomerChatRouter, 'Routes' )
 App.Config.set( 'CustomerChat', { controller: 'CustomerChat', authentication: true }, 'permanentTask' )
-App.Config.set( 'CustomerChat', { prio: 1200, parent: '', name: 'Customer Chat', target: '#customer_chat', key: 'CustomerChat', role: ['Chat'], class: 'chat' }, 'NavBar' )
+App.Config.set( 'CustomerChat', { prio: 1200, parent: '', name: 'Customer Chat', target: '#customer_chat', key: 'CustomerChat', shown: false, role: ['Chat'], class: 'chat' }, 'NavBar' )

app/assets/javascripts/app/controllers/navigation.coffee

@@ -50,7 +50,11 @@ class App.Navigation extends App.ControllerWidgetPermanent
     items = @getItems( navbar: @Config.get( 'NavBar' ) )
 
     # apply counter and switch info from persistant controllers (if exists)
+    itemsNew = []
     for item in items
+      shown = true
+      if item.shown isnt undefined
+        shown = item.shown
       if item.key
         worker = App.TaskManager.worker(item.key)
         if worker
@@ -58,6 +62,14 @@ class App.Navigation extends App.ControllerWidgetPermanent
             item.counter = worker.counter()
           if worker.switch
             item.switch = worker.switch()
+          if worker.featureActive
+            if worker.featureActive()
+              shown = true
+            else
+              shown = false
+      if shown
+        itemsNew.push item
+    items = itemsNew
 
     # get open tabs to repopen on rerender
     open_tab = {}

test/browser/chat_test.rb

@@ -29,16 +29,14 @@ class ChatTest < TestCase
       css: '#content .js-chatSetting',
       type: 'off',
     )
-    sleep 25 # wait for rerendering
-    click(
+
+    # nav bar shuld be gone
+    sleep 2
+    exists_not(
       browser: agent,
       css: 'a[href="#customer_chat"]',
     )
-    match(
-      browser: agent,
-      css: '.active.content',
-      value: 'disabled',
-    )
+    sleep 15
 
     customer = browser_instance
     location(