Show socket status in the UI. Absolutely no styling yet.

res/app/components/stf/socket/index.js

@@ -1,2 +1,3 @@
 module.exports = angular.module('stf/socket', [])
-  .factory('socket', require('./socket-service'));
+  .factory('socket', require('./socket-service'))
+  .directive('socketState', require('./socket-state-directive'))

res/app/components/stf/socket/socket-service.js

@@ -1,6 +1,6 @@
 var io = require('socket.io')
 
-module.exports = function SocketFactory() {
+module.exports = function SocketFactory($rootScope) {
   var socket = io.connect()
 
   socket.scoped = function($scope) {
@@ -24,5 +24,53 @@ module.exports = function SocketFactory() {
     }
   }
 
+  socket.on('connect', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'connect'
+    })
+  })
+
+  socket.on('connecting', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'connecting'
+    })
+  })
+
+  socket.on('disconnect', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'disconnect'
+    })
+  })
+
+  socket.on('connect_failed', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'connect_failed'
+    })
+  })
+
+  socket.on('error', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'error'
+    })
+  })
+
+  socket.on('reconnect_failed', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'reconnect_failed'
+    })
+  })
+
+  socket.on('reconnect', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'reconnect'
+    })
+  })
+
+  socket.on('reconnecting', function() {
+    $rootScope.$apply(function() {
+      socket.state = 'reconnecting'
+    })
+  })
+
   return socket
 }

res/app/components/stf/socket/socket-state-directive.js

@@ -0,0 +1,18 @@
+module.exports = function SocketStateDirectiveFactory(socket) {
+  return {
+    restrict: 'E'
+  , template: require('./socket-state.jade')
+  , scope: {
+    }
+  , link: function (scope) {
+      scope.$watch(
+        function() {
+          return socket.state
+        }
+      , function(state) {
+          scope.state = state
+        }
+      )
+    }
+  }
+}

res/app/components/stf/socket/socket-state.jade

@@ -0,0 +1 @@
+div {{ state }}

res/app/views/index.jade

@@ -9,6 +9,7 @@ html
         .pane-top-bar(pane, pane-anchor='north', pane-size='46px', pane-min='46px', pane-max='46px', pane-handle='')
           div(ng-include='"menu.jade"')
         div(pane, pane-anchor='center').fill-height
+          socket-state
           div(ng-view).fill-height
 
     script(src='/static/build/bundle.js')