Show the user that the websocket connection has been closed and posts will no longer socket in

config/locales/javascript/javascript.en.yml

@@ -5,6 +5,7 @@
 
 en:
   javascripts:
+
       confirm_dialog: "Are you sure?"
       timeago:
         prefixAgo: ""
@@ -33,3 +34,7 @@ en:
         at_least_one_aspect: "You must publish to at least one aspect"
       infinite_scroll:
         no_more: "No more posts."
+      web_sockets:
+        disconnected:
+          title: "You have been disconnected."
+          body: "Posts will no longer be streamed live."

public/javascripts/web-socket-receiver.js

@@ -6,6 +6,11 @@ var WebSocketReceiver = {
     //Attach onmessage to websocket
     ws.onmessage = WSR.onMessage;
     ws.onclose = function() {
+      Diaspora.widgets.alert.alert(
+        Diaspora.widgets.i18n.t("web_socket.disconnected.title"),
+        Diaspora.widgets.i18n.t("web_socket.disconnected.body")
+      );
+      
       WSR.debug("socket closed");
     };
     ws.onopen = function() {