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.content.Context;
20import android.content.DialogInterface;
21import android.graphics.drawable.Drawable;
22import android.net.IConnectivityManager;
23import android.os.ServiceManager;
24import android.os.UserHandle;
25import android.text.Html;
26import android.text.Html.ImageGetter;
27import android.util.Log;
28import android.view.View;
29import android.widget.Button;
30import android.widget.TextView;
31
32import com.android.internal.app.AlertActivity;
33import com.android.internal.net.VpnConfig;
34
35public class ConfirmDialog extends AlertActivity
36        implements DialogInterface.OnClickListener, ImageGetter {
37    private static final String TAG = "VpnConfirm";
38
39    private String mPackage;
40
41    private IConnectivityManager mService;
42
43    private Button mButton;
44
45    @Override
46    protected void onResume() {
47        super.onResume();
48        try {
49            mPackage = getCallingPackage();
50
51            mService = IConnectivityManager.Stub.asInterface(
52                    ServiceManager.getService(Context.CONNECTIVITY_SERVICE));
53
54            if (mService.prepareVpn(mPackage, null, UserHandle.myUserId())) {
55                setResult(RESULT_OK);
56                finish();
57                return;
58            }
59
60            View view = View.inflate(this, R.layout.confirm, null);
61
62            ((TextView) view.findViewById(R.id.warning)).setText(
63                    Html.fromHtml(
64                            getString(R.string.warning, VpnConfig.getVpnLabel(this, mPackage)),
65                    this, null /* tagHandler */));
66
67            mAlertParams.mTitle = getText(R.string.prompt);
68            mAlertParams.mPositiveButtonText = getText(android.R.string.ok);
69            mAlertParams.mPositiveButtonListener = this;
70            mAlertParams.mNegativeButtonText = getText(android.R.string.cancel);
71            mAlertParams.mView = view;
72            setupAlert();
73
74            getWindow().setCloseOnTouchOutside(false);
75            mButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
76            mButton.setFilterTouchesWhenObscured(true);
77        } catch (Exception e) {
78            Log.e(TAG, "onResume", e);
79            finish();
80        }
81    }
82
83    @Override
84    public Drawable getDrawable(String source) {
85        // Should only reach this when fetching the VPN icon for the warning string.
86        Drawable icon = getDrawable(R.drawable.ic_vpn_dialog);
87        icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
88        return icon;
89    }
90
91    @Override
92    public void onBackPressed() {
93    }
94
95    @Override
96    public void onClick(DialogInterface dialog, int which) {
97        try {
98            if (mService.prepareVpn(null, mPackage, UserHandle.myUserId())) {
99                // Authorize this app to initiate VPN connections in the future without user
100                // intervention.
101                mService.setVpnPackageAuthorization(mPackage, UserHandle.myUserId(), true);
102                setResult(RESULT_OK);
103            }
104        } catch (Exception e) {
105            Log.e(TAG, "onClick", e);
106        }
107    }
108}
109