text message : add visual new message notification

- adds a red buble with the number of unread messages.

Change-Id: I8c40df3e0421fba02444e5092a8975ce27ce989c
Tuleap: #961
diff --git a/ContactsViewModel.h b/ContactsViewModel.h
index 29dfec8..b4de756 100644
--- a/ContactsViewModel.h
+++ b/ContactsViewModel.h
@@ -25,8 +25,11 @@
 namespace RingClientUWP

 {

 

+/* delegates */

 delegate void NewContactSelected();

 delegate void NoContactSelected();

+delegate void ScreenConversationMessage(String^ accountId, String^ from, String^ payload);

+delegate void NotifyNewConversationMessage();

 

 namespace ViewModel {

 public ref class ContactsViewModel sealed

@@ -79,6 +82,8 @@
     /* events */

     event NewContactSelected^ newContactSelected;

     event NoContactSelected^ noContactSelected;

+    event ScreenConversationMessage^ screenConversationMessage;

+    event NotifyNewConversationMessage^ notifyNewConversationMessage;

 

 private:

     ContactsViewModel(); // singleton