diff --git a/src/controller.h b/src/controller.h
index 85986c7..40a481a 100644
--- a/src/controller.h
+++ b/src/controller.h
@@ -80,7 +80,7 @@
   onLocalPrefixTimeout(const ndn::Interest& interest);
 
   void
-  onInvitationInterest(const ndn::Name& prefix, const ndn::Interest& interest, size_t routingPrefixOffset);
+  onInvitationInterestWrapper(const ndn::Name& prefix, const ndn::Interest& interest, size_t routingPrefixOffset);
   
   void
   onInvitationRegisterFailed(const ndn::Name& prefix, const std::string& failInfo);
@@ -113,6 +113,9 @@
   void
   refreshBrowseContact();
 
+  void
+  invitationInterest(const ndn::Name& prefix, const ndn::Interest& interest, size_t routingPrefixOffset);
+
 private slots:
   void
   onIdentityUpdated(const QString& identity);
@@ -164,6 +167,9 @@
 
   void
   onShowChatMessage(const QString& chatroomName, const QString& from, const QString& data);
+  
+  void
+  onResetIcon();
 
   void
   onRemoveChatDialog(const QString& chatroom);
@@ -174,6 +180,9 @@
   void
   onError(const QString& msg);
 
+  void
+  onInvitationInterest(const ndn::Name& prefix, const ndn::Interest& interest, size_t routingPrefixOffset);
+
 private: // private member
   typedef std::map<std::string, QAction*> ChatActionList;
   typedef std::map<std::string, ChatDialog*> ChatDialogList;