ConfirmDialog.java revision 19f054b0f69b2f56ea0e98a3bb7e0e62b90ff480 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.vpndialogs;
18
19import android.app.Activity;
20import android.app.AlertDialog;
21import android.content.Context;
22import android.content.DialogInterface;
23import android.content.Intent;
24import android.content.pm.ApplicationInfo;
25import android.content.pm.PackageManager;
26import android.net.ConnectivityManager;
27import android.util.Log;
28import android.view.View;
29import android.widget.Button;
30import android.widget.CompoundButton;
31import android.widget.ImageView;
32import android.widget.TextView;
33
34public class ConfirmDialog extends Activity implements CompoundButton.OnCheckedChangeListener,
35        DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
36    private static final String TAG = "VpnConfirm";
37
38    private String mPackageName;
39
40    private ConnectivityManager mService;
41
42    private AlertDialog mDialog;
43    private Button mButton;
44
45    @Override
46    protected void onResume() {
47        super.onResume();
48        try {
49            mPackageName = getCallingPackage();
50            mService = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
51
52            if (mPackageName.equals(mService.prepareVpn(null))) {
53                setResult(RESULT_OK);
54                finish();
55                return;
56            }
57
58            PackageManager pm = getPackageManager();
59            ApplicationInfo app = pm.getApplicationInfo(mPackageName, 0);
60
61            View view = View.inflate(this, R.layout.confirm, null);
62            ((ImageView) view.findViewById(R.id.icon)).setImageDrawable(app.loadIcon(pm));
63            ((TextView) view.findViewById(R.id.prompt)).setText(
64                    getString(R.string.prompt, app.loadLabel(pm)));
65            ((CompoundButton) view.findViewById(R.id.check)).setOnCheckedChangeListener(this);
66
67            mDialog = new AlertDialog.Builder(this)
68                    .setIcon(android.R.drawable.ic_dialog_alert)
69                    .setTitle(android.R.string.dialog_alert_title)
70                    .setView(view)
71                    .setPositiveButton(android.R.string.ok, this)
72                    .setNegativeButton(android.R.string.cancel, this)
73                    .setCancelable(false)
74                    .create();
75            mDialog.setOnDismissListener(this);
76            mDialog.show();
77
78            mButton = mDialog.getButton(DialogInterface.BUTTON_POSITIVE);
79            mButton.setEnabled(false);
80        } catch (Exception e) {
81            Log.e(TAG, "onResume", e);
82            finish();
83        }
84    }
85
86    @Override
87    protected void onPause() {
88        super.onPause();
89        if (mDialog != null) {
90            mDialog.setOnDismissListener(null);
91            mDialog.dismiss();
92        }
93    }
94
95    @Override
96    public void onCheckedChanged(CompoundButton button, boolean checked) {
97        mButton.setEnabled(checked);
98    }
99
100    @Override
101    public void onClick(DialogInterface dialog, int which) {
102        try {
103            if (which == AlertDialog.BUTTON_POSITIVE &&
104                    mPackageName.equals(mService.prepareVpn(mPackageName))) {
105                setResult(RESULT_OK);
106            }
107        } catch (Exception e) {
108            Log.e(TAG, "onClick", e);
109        }
110    }
111
112    @Override
113    public void onDismiss(DialogInterface dialog) {
114        finish();
115    }
116}
117