NxtAR-cam/src/ve/ucv/ciens/ccg/nxtcam/dialogs/WifiOnDialog.java

package ve.ucv.ciens.ccg.nxtcam.dialogs;

import ve.ucv.ciens.ccg.nxtcam.R;
import ve.ucv.ciens.ccg.nxtcam.utils.Logger;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.net.wifi.WifiManager;
import android.os.Bundle;

public class WifiOnDialog extends DialogFragment {
	private final String TAG = "NXTCAM_WIFI_DIALOG";
	private final String CLASS_NAME = WifiOnDialog.class.getSimpleName();

	private WifiOnDialogListener listener;
	private WifiManager wifiManager;

	public interface WifiOnDialogListener{
		public void onWifiOnDialogPositiveClick(DialogFragment dialog);
		public void onWifiOnDialogNegativeClick(DialogFragment dialog);
	}

	public void setWifiManager(WifiManager wifiManager){
		this.wifiManager = wifiManager;
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState){
		// Use the Builder class for convenient dialog construction
		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

		builder.setMessage(R.string.wifi_on_msg).setPositiveButton(R.string.wifi_on_button, new DialogInterface.OnClickListener() {

			public void onClick(DialogInterface dialog, int id){
				if(wifiManager != null){
					wifiManager.setWifiEnabled(true);
					Logger.log_d(TAG, CLASS_NAME + ".setPositiveButton().onClick() :: setting wifi to on.");
					if(listener != null)
						listener.onWifiOnDialogPositiveClick(WifiOnDialog.this);
				}else{
					Logger.log_wtf(TAG, CLASS_NAME + ".setPositiveButton().onClick( :: wifiManager is null! Doing nothing.");
					if(listener != null)
						listener.onWifiOnDialogNegativeClick(WifiOnDialog.this);
				}
			}

		}).setNegativeButton(R.string.cancel_button, new DialogInterface.OnClickListener() {

			public void onClick(DialogInterface dialog, int id){
				Logger.log_d(TAG, CLASS_NAME + ".setPositiveButton().onClick( :: User canceled.");
				if(listener != null)
					listener.onWifiOnDialogNegativeClick(WifiOnDialog.this);
			}

		});

		// Create the AlertDialog object and return it
		return builder.create();
	}

	@Override
	public void onAttach(Activity activity){
		super.onAttach(activity);

		try{
			listener = (WifiOnDialogListener)activity;
		}catch(ClassCastException cce){
			listener = null;
			throw new ClassCastException(CLASS_NAME + ".onAttach() :: " + activity.toString() + "Must implement WifiOnDialogListener.");
		}
	}
}