tp-chat: remove butterfly MSN HandleType=NONE workaround

Newer versions of butterfly use the conference interface, so their 1-1
chats don't implement the group interface. This patch changes nothing
there, but now when butterfly gives a channel with
TargetHandleType=NONE, it is actually a MUC, so act like that.

Thanks to the addition of the conference interface with this change,
we can check for its presence to decide whether this is old-school or
new-school butterfly.

This commit and 13a7c40c together fix bug #612461.

Signed-off-by: Jonny Lamb <jonnylamb@gnome.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/libempathy/empathy-tp-chat.c b/libempathy/empathy-tp-chat.c
index bba6733a6..7877acb22 100644
--- a/libempathy/empathy-tp-chat.c
+++ b/libempathy/empathy-tp-chat.c
@@ -885,6 +885,14 @@ tp_chat_update_remote_contact (EmpathyTpChat *chat)
 		return;
 	}
 
+	/* This is an MSN chat, but it's the new style where 1-1 chats don't
+	 * have the group interface. If it has the conference interface, then
+	 * it is indeed a MUC. */
+	if (tp_proxy_has_interface_by_id (priv->channel,
+					  EMP_IFACE_QUARK_CHANNEL_INTERFACE_CONFERENCE)) {
+		return;
+	}
+
 	/* This is an MSN-like chat where anyone can join the chat at anytime.
 	 * If there is only one non-self contact member, we are in a private
 	 * chat and we set the "remote-contact" property to that contact. If