Handle the case where a user's id changes in a chatroom

[empathy.git] / libempathy / empathy-tp-chat.c

diff --git a/libempathy/empathy-tp-chat.c b/libempathy/empathy-tp-chat.c
index aa8c1a1c5592447a285d9d9d5bc6223f2a1a60b8..aebeb6670321ac2fb6e30c175f2f7421eb78686d 100644 (file)
--- a/libempathy/empathy-tp-chat.c
+++ b/libempathy/empathy-tp-chat.c
@@ -946,6 +946,83 @@ chat_lookup_contact (EmpathyTpChat *chat,
        return NULL;
 }
 
+typedef struct
+{
+    TpHandle old_handle;
+    guint reason;
+    const gchar *message;
+} ContactRenameData;
+
+static ContactRenameData*
+contact_rename_data_new (TpHandle handle,
+                        guint reason,
+                        const gchar* message)
+{
+       ContactRenameData *data = g_new (ContactRenameData, 1);
+       data->old_handle = handle;
+       data->reason = reason;
+       data->message = message;
+
+       return data;
+}
+
+static void
+contact_rename_data_free (ContactRenameData* data)
+{
+    g_free (data);
+}
+
+static void
+tp_chat_got_renamed_contacts_cb (EmpathyTpContactFactory *factory,
+                                 guint                    n_contacts,
+                                 EmpathyContact * const * contacts,
+                                 guint                    n_failed,
+                                 const TpHandle          *failed,
+                                 const GError            *error,
+                                 gpointer                 user_data,
+                                 GObject                 *chat)
+{
+       EmpathyTpChatPriv *priv = GET_PRIV (chat);
+       const TpIntSet *members;
+       TpHandle handle;
+       EmpathyContact *old = NULL, *new = NULL;
+
+       if (error) {
+               DEBUG ("Error: %s", error->message);
+               return;
+       }
+
+       /* renamed members can only be delivered one at a time */
+       g_warn_if_fail (n_contacts == 1);
+
+       ContactRenameData *rename_data = (ContactRenameData*) user_data;
+
+       new = contacts[0];
+
+       members = tp_channel_group_get_members (priv->channel);
+       handle = empathy_contact_get_handle (new);
+
+       old = chat_lookup_contact (EMPATHY_TP_CHAT (chat),
+                                  rename_data->old_handle, TRUE);
+
+       /* Make sure the contact is still member */
+       if (tp_intset_is_member (members, handle)) {
+               priv->members = g_list_prepend (priv->members,
+                       g_object_ref (new));
+
+               if (old != NULL) {
+                       g_signal_emit_by_name (chat, "member-renamed",
+                                              old, new, rename_data->reason,
+                                              rename_data->message);
+                       g_object_unref (old);
+               }
+       }
+
+       tp_chat_update_remote_contact (EMPATHY_TP_CHAT (chat));
+       tp_chat_check_if_ready (EMPATHY_TP_CHAT (chat));
+}
+
+
 static void
 tp_chat_group_members_changed_cb (TpChannel     *self,
                                  gchar         *message,
@@ -961,6 +1038,24 @@ tp_chat_group_members_changed_cb (TpChannel     *self,
        EmpathyContact *contact;
        EmpathyContact *actor_contact = NULL;
        guint i;
+       ContactRenameData *rename_data;
+
+       /* Contact renamed */
+       if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
+               /* there can only be a single 'added' and a single 'removed' handle */
+               g_warn_if_fail(removed->len == 1);
+               g_warn_if_fail(added->len == 1);
+
+               TpHandle old_handle = g_array_index (removed, guint, 0);
+
+               rename_data = contact_rename_data_new (old_handle, reason, message);
+               empathy_tp_contact_factory_get_from_handles (priv->factory,
+                       added->len, (TpHandle *) added->data,
+                       tp_chat_got_renamed_contacts_cb,
+                       rename_data, (GDestroyNotify) contact_rename_data_free,
+                       G_OBJECT (chat));
+               return;
+       }
 
        if (actor != 0) {
                actor_contact = chat_lookup_contact (chat, actor, FALSE);