[empathy] client-factory: prepare TP_CONNECTION_FEATURE_CONTACT_LIST_PROPERTIES

[Guillaume Desmottes <gdesmott src gnome org>]

commit 63ec3726a865e5ae6b5ed5cdbcee290a3415f707
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Thu Nov 3 15:00:57 2011 +0100

    client-factory: prepare TP_CONNECTION_FEATURE_CONTACT_LIST_PROPERTIES
    
    https://bugzilla.gnome.org/show_bug.cgi?id=663327

 libempathy/empathy-client-factory.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/libempathy/empathy-client-factory.c b/libempathy/empathy-client-factory.c
index beaa621..edc5463 100644
--- a/libempathy/empathy-client-factory.c
+++ b/libempathy/empathy-client-factory.c
@@ -161,6 +161,12 @@ empathy_client_factory_dup_connection_features (TpSimpleClientFactory *factory,
   feature = TP_CONNECTION_FEATURE_CONTACT_BLOCKING;
   g_array_append_val (features, feature);
 
+  /* Most empathy-* may allow user to add a contact to his contact list. We
+   * need this property to check if the connection allows it. It's cheap to
+   * prepare anyway as it will just call GetAll() on the ContactList iface. */
+  feature = TP_CONNECTION_FEATURE_CONTACT_LIST_PROPERTIES;
+  g_array_append_val (features, feature);
+
   return features;
 }