1 files changed, 71 insertions, 0 deletions
diff --git a/libempathy-gtk/empathy-account-chooser.c b/libempathy-gtk/empathy-account-chooser.c
index f1c0ec6b4..809c2933a 100644
--- a/libempathy-gtk/empathy-account-chooser.c
+++ b/libempathy-gtk/empathy-account-chooser.c
@@ -957,6 +957,77 @@ empathy_account_chooser_filter_is_connected (
 	callback (is_connected, callback_data);
 }
 
+typedef struct {
+	EmpathyAccountChooserFilterResultCallback callback;
+	gpointer                                  user_data;
+} FilterCallbackData;
+
+static void
+conn_prepared_cb (GObject *conn,
+		GAsyncResult *result,
+		gpointer user_data)
+{
+	FilterCallbackData *data = user_data;
+	GError             *myerr = NULL;
+	TpCapabilities     *caps;
+
+	if (!tp_proxy_prepare_finish (conn, result, &myerr)) {
+		data->callback (FALSE, data->user_data);
+		g_slice_free (FilterCallbackData, data);
+		return;
+	}
+
+	caps = tp_connection_get_capabilities (TP_CONNECTION (conn));
+	data->callback (tp_capabilities_supports_text_chatrooms (caps),
+			data->user_data);
+
+	g_slice_free (FilterCallbackData, data);
+}
+
+/**
+ * empathy_account_chooser_filter_supports_multichat:
+ * @account: a #TpAccount
+ * @callback: an #EmpathyAccountChooserFilterResultCallback accepting the result
+ * @callback_data: data passed to the @callback
+ * @user_data: user data or %NULL
+ *
+ * An #EmpathyAccountChooserFilterFunc that returns accounts that both
+ * support multiuser text chat and are connected.
+ *
+ * Returns (via the callback) TRUE if @account both supports muc and is connected
+ */
+void
+empathy_account_chooser_filter_supports_chatrooms (
+	TpAccount                                 *account,
+	EmpathyAccountChooserFilterResultCallback  callback,
+	gpointer                                   callback_data,
+	gpointer                                   user_data)
+{
+	TpConnection       *connection;
+	FilterCallbackData *cb_data;
+	GQuark              features[] = { TP_CONNECTION_FEATURE_CAPABILITIES, 0 };
+
+	if (tp_account_get_connection_status (account, NULL) !=
+		TP_CONNECTION_STATUS_CONNECTED) {
+		callback (FALSE, callback_data);
+		return;
+	}
+
+	/* check if CM supports multiuser text chat */
+	connection = tp_account_get_connection (account);
+	if (connection == NULL) {
+		callback (FALSE, callback_data);
+		return;
+	}
+
+	cb_data = g_slice_new0 (FilterCallbackData);
+	cb_data->callback = callback;
+	cb_data->user_data = callback_data;
+
+	tp_proxy_prepare_async (connection, features, conn_prepared_cb,
+		cb_data);
+}
+
 gboolean
 empathy_account_chooser_is_ready (EmpathyAccountChooser *self)
 {