moving on with MUC, nothing final yet

core/contact.cpp

@@ -21,7 +21,8 @@
 
 Core::Contact::Contact(const QString& pJid, const QString& account, QObject* parent):
     RosterItem(pJid, account, parent),
-    groups()
+    groups(),
+    subscriptionState(Shared::unknown)
 {
 }
 
@@ -54,3 +55,16 @@ void Core::Contact::setGroups(const QSet<QString>& set)
         emit groupAdded(*itr);
     }
 }
+
+Shared::SubscriptionState Core::Contact::getSubscriptionState() const
+{
+    return subscriptionState;
+}
+
+void Core::Contact::setSubscriptionState(Shared::SubscriptionState state)
+{
+    if (subscriptionState != state) {
+        subscriptionState = state;
+        emit subscriptionStateChanged(subscriptionState);
+    }
+}