/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.blinkt.openvpn.api;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnShowListener;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.TextView;
import de.blinkt.openvpn.R;


public class ConfirmDialog extends Activity implements
CompoundButton.OnCheckedChangeListener, DialogInterface.OnClickListener {
	private static final String TAG = "OpenVPNVpnConfirm";

	private String mPackage;

	private Button mButton;

	private AlertDialog mAlert;

	@Override
	protected void onResume() {
		super.onResume();
		try {
			mPackage = getCallingPackage();
			if (mPackage==null) {
				finish();
				return;
			}
				

			PackageManager pm = getPackageManager();
			ApplicationInfo app = pm.getApplicationInfo(mPackage, 0);

			View view = View.inflate(this, R.layout.api_confirm, null);
			((ImageView) view.findViewById(R.id.icon)).setImageDrawable(app.loadIcon(pm));
			((TextView) view.findViewById(R.id.prompt)).setText(
					getString(R.string.prompt, app.loadLabel(pm), getString(R.string.app)));
			((CompoundButton) view.findViewById(R.id.check)).setOnCheckedChangeListener(this);


			Builder builder = new AlertDialog.Builder(this);

			builder.setView(view);

			builder.setIconAttribute(android.R.attr.alertDialogIcon);
			builder.setTitle(android.R.string.dialog_alert_title);
			builder.setPositiveButton(android.R.string.ok,this);
			builder.setNegativeButton(android.R.string.cancel,this);
			
			mAlert = builder.create();
			mAlert.setCanceledOnTouchOutside(false);
			
			mAlert.setOnShowListener (new OnShowListener() {
				
				@Override
				public void onShow(DialogInterface dialog) {
					mButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
					mButton.setEnabled(false);
										
				}
			});
			
			//setCloseOnTouchOutside(false);
			
			mAlert.show();

		} catch (Exception e) {
			Log.e(TAG, "onResume", e);
			finish();
		}
	}

	@Override
	public void onBackPressed() {
		setResult(RESULT_CANCELED);
		finish();
	}

	@Override
	public void onCheckedChanged(CompoundButton button, boolean checked) {
		mButton.setEnabled(checked);
	}

	@Override
	public void onClick(DialogInterface dialog, int which) {

		if (which == DialogInterface.BUTTON_POSITIVE) {
			ExternalAppDatabase extapps = new ExternalAppDatabase(this);
			extapps.addApp(mPackage);
			setResult(RESULT_OK);
			finish();
		}
		
		if (which == DialogInterface.BUTTON_NEGATIVE) {
			setResult(RESULT_CANCELED);
			finish();
		}
	}

}