/*

 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game

 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

package org.hedgewars.hedgeroid;

import org.hedgewars.hedgeroid.netplay.Netplay;

import org.hedgewars.hedgeroid.netplay.Netplay.State;

import android.app.Dialog;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.support.v4.app.DialogFragment;

import android.support.v4.content.LocalBroadcastManager;

/**

 * Helper class for DialogFragments that are supposed to be dismissed when the

 * network connection is lost. This is used for some dialog fragments that

 * appear during connecting (e.g. username input)

 */

public class ConnectionDependendDialogFragment extends DialogFragment {

	@Override

	public void onStart() {

		super.onStart();

		LocalBroadcastManager.getInstance(getActivity().getApplicationContext()).registerReceiver(dismissReceiver, new IntentFilter(Netplay.ACTION_DISCONNECTED));

		if(Netplay.getAppInstance(getActivity().getApplicationContext()).getState() == State.NOT_CONNECTED) {

			dismiss();

		}

	}

	@Override

	public void onStop() {

		super.onStop();

		LocalBroadcastManager.getInstance(getActivity().getApplicationContext()).unregisterReceiver(dismissReceiver);

	}

	private BroadcastReceiver dismissReceiver = new BroadcastReceiver() {

		@Override

		public void onReceive(Context context, Intent intent) {

			Dialog dialog = getDialog();

			if(dialog != null) {

				dialog.dismiss();

			} else {

				dismiss();

			}

		}

	};

}