Home | History | Annotate | Download | only in vpndialogs 
      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 
     17 package com.android.vpndialogs;
     18 
     19 import android.content.Context;
     20 import android.content.DialogInterface;
     21 import android.graphics.drawable.Drawable;
     22 import android.net.IConnectivityManager;
     23 import android.os.ServiceManager;
     24 import android.os.UserHandle;
     25 import android.text.Html;
     26 import android.text.Html.ImageGetter;
     27 import android.util.Log;
     28 import android.view.View;
     29 import android.widget.Button;
     30 import android.widget.TextView;
     31 
     32 import com.android.internal.app.AlertActivity;
     33 import com.android.internal.net.VpnConfig;
     34 
     35 public 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