Enable notifications in secure pads

www/common/sframe-common.js

@@ -75,6 +75,10 @@ define([
         });
     };
 
+    funcs.notify = function () {
+        ctx.sframeChan.event('EV_NOTIFY');
+    };
+
     funcs.setLoginRedirect = function (cb) {
         ctx.sframeChan.query('Q_SET_LOGIN_REDIRECT', null, function (err) {
             if (cb) { cb(err); }

www/common/sframe-protocol.js

@@ -78,4 +78,8 @@ define({
     'Q_SEND_FRIEND_REQUEST': true, // Up query
     'Q_INCOMING_FRIEND_REQUEST': true, // Down query
     'EV_FRIEND_REQUEST': true, // Down event when the request is complete
+
+    // Set the tab notification when the content of the pad changes
+    'EV_NOTIFY': true,
+
 });

www/pad/inner.js

@@ -489,7 +489,7 @@ define([
             // Notify only when the content has changed, not when someone has joined/left
             var oldSInner = stringify(JSON.parse(oldShjson)[2]);
             if (newSInner && newSInner !== oldSInner) {
-                Cryptpad.notify();
+                common.notify();
             }
         };
 

www/pad/main.js

@@ -151,6 +151,10 @@ define([
             Cryptpad.logout(cb);
         });
 
+        sframeChan.on('EV_NOTIFY', function () {
+            Cryptpad.notify();
+        });
+
         sframeChan.on('Q_SET_LOGIN_REDIRECT', function (data, cb) {
             sessionStorage.redirectTo = window.location.href;
             cb();