public interface Tooth.AccountHolder : GLib.Object {

	protected abstract InstanceAccount? account { get; set; default = null; }

	protected void construct_account_holder () {
		accounts.switched.connect (on_account_changed);
		accounts.changed.connect (on_accounts_changed);
		on_account_changed (accounts.active);
		on_accounts_changed (accounts.saved);
	}
	protected void destruct_account_holder () {
		accounts.switched.disconnect (on_account_changed);
		accounts.changed.disconnect (on_accounts_changed);
	}

	protected virtual void on_account_changed (InstanceAccount? acc) {
		this.account = acc;
	}

	protected virtual void on_accounts_changed (Gee.ArrayList<InstanceAccount> accounts) {}

}