7c1ec3723a
Similar to e_load_book_source_async() in libedataserverui (and may wind
up there eventually). This replaces e_auth_new_cal_from_source().
void e_load_cal_source_async (ESource *source,
ECalSourceType source_type,
icaltimezone *default_zone,
GtkWindow *parent,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
ECal * e_load_cal_source_finish (ESource *source,
GAsyncResult *result,
GError **error);