Changes the padlock to locked when a participant is entering a locked room and still haven't entered the key. We show padlock locked whenever the room requires a key to enter.

app.js

             focus.addNewParticipant(jid);
         }
     }
-    else if (sharedKey) {
-        Toolbar.updateLockButton();
-    }
 });
 
 $(document).bind('left.muc', function (event, jid) {
 $(document).bind('passwordrequired.muc', function (event, jid) {
     console.log('on password required', jid);
 
+    // password is required
+    Toolbar.lockLockButton();
+
     messageHandler.openTwoButtonDialog(null,
         '<h2>Password required</h2>' +
         '<input id="lockKey" type="text" placeholder="password" autofocus>',

toolbar.js

     my.updateLockButton = function() {
         buttonClick("#lockIcon", "icon-security icon-security-locked");
     };
+    /**
+     * Updates the lock button state to locked.
+     */
+    my.lockLockButton = function() {
+        if($("#lockIcon").hasClass("icon-security"))
+            buttonClick("#lockIcon", "icon-security icon-security-locked");
+    };
 
     // Shows or hides the 'recording' button.
     my.showRecordingButton = function (show) {