src/frontends/android/src/org/strongswan/android/ui/VpnProfileDetailActivity.java

   1 /*
   2  * Copyright (C) 2012 Tobias Brunner
   3  * Copyright (C) 2012 Giuliano Grassi
   4  * Copyright (C) 2012 Ralf Sager
   5  * Hochschule fuer Technik Rapperswil
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or (at your
  10  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15  * for more details.
  16  */
  17
  18 package org.strongswan.android.ui;
  19
  20 import org.strongswan.android.R;
  21 import org.strongswan.android.data.VpnProfile;
  22 import org.strongswan.android.data.VpnProfileDataSource;
  23
  24 import android.app.Activity;
  25 import android.content.Intent;
  26 import android.os.Bundle;
  27 import android.util.Log;
  28 import android.view.Menu;
  29 import android.view.MenuInflater;
  30 import android.view.MenuItem;
  31 import android.view.Window;
  32 import android.widget.EditText;
  33
  34 public class VpnProfileDetailActivity extends Activity
  35 {
  36         private VpnProfileDataSource mDataSource;
  37         private Long mId;
  38         private VpnProfile mProfile;
  39         private EditText mName;
  40         private EditText mGateway;
  41         private EditText mUsername;
  42         private EditText mPassword;
  43
  44         @Override
  45         public void onCreate(Bundle savedInstanceState)
  46         {
  47                 super.onCreate(savedInstanceState);
  48
  49                 /* the title is set when we load the profile, if any */
  50                 getActionBar().setDisplayHomeAsUpEnabled(true);
  51
  52                 mDataSource = new VpnProfileDataSource(this);
  53                 mDataSource.open();
  54
  55                 setContentView(R.layout.profile_detail_view);
  56
  57                 mName = (EditText)findViewById(R.id.name);
  58                 mPassword = (EditText)findViewById(R.id.password);
  59                 mGateway = (EditText)findViewById(R.id.gateway);
  60                 mUsername = (EditText)findViewById(R.id.username);
  61
  62                 mId = savedInstanceState == null ? null : savedInstanceState.getLong(VpnProfileDataSource.KEY_ID);
  63                 if (mId == null)
  64                 {
  65                         Bundle extras = getIntent().getExtras();
  66                         mId = extras == null ? null : extras.getLong(VpnProfileDataSource.KEY_ID);
  67                 }
  68
  69                 loadProfileData();
  70         }
  71
  72         @Override
  73         protected void onDestroy()
  74         {
  75                 super.onDestroy();
  76                 mDataSource.close();
  77         }
  78
  79         @Override
  80         protected void onSaveInstanceState(Bundle outState)
  81         {
  82                 super.onSaveInstanceState(outState);
  83                 outState.putLong(VpnProfileDataSource.KEY_ID, mId);
  84         }
  85
  86         @Override
  87         public boolean onCreateOptionsMenu(Menu menu)
  88         {
  89                 MenuInflater inflater = getMenuInflater();
  90                 inflater.inflate(R.menu.profile_edit, menu);
  91                 return true;
  92         }
  93
  94         @Override
  95         public boolean onOptionsItemSelected(MenuItem item)
  96         {
  97                 switch (item.getItemId())
  98                 {
  99                         case android.R.id.home:
 100                         case R.id.menu_cancel:
 101                                 finish();
 102                                 return true;
 103                         case R.id.menu_accept:
 104                                 saveProfile();
 105                                 return true;
 106                         default:
 107                                 return super.onOptionsItemSelected(item);
 108                 }
 109         }
 110
 111         /**
 112          * Save or update the profile depending on whether we actually have a
 113          * profile object or not (this was created in updateProfileData)
 114          */
 115         private void saveProfile()
 116         {
 117                 if (verifyInput())
 118                 {
 119                         if (mProfile != null)
 120                         {
 121                                 updateProfileData();
 122                                 mDataSource.updateVpnProfile(mProfile);
 123                         }
 124                         else
 125                         {
 126                                 mProfile = new VpnProfile();
 127                                 updateProfileData();
 128                                 mDataSource.insertProfile(mProfile);
 129                         }
 130                         setResult(RESULT_OK, new Intent().putExtra(VpnProfileDataSource.KEY_ID, mProfile.getId()));
 131                         finish();
 132                 }
 133         }
 134
 135         /**
 136          * Verify the user input and display error messages.
 137          * @return true if the input is valid
 138          */
 139         private boolean verifyInput()
 140         {
 141                 boolean valid = true;
 142                 if (mGateway.getText().toString().trim().isEmpty())
 143                 {
 144                         mGateway.setError(getString(R.string.alert_text_no_input_gateway));
 145                         valid = false;
 146                 }
 147                 if (mUsername.getText().toString().trim().isEmpty())
 148                 {
 149                         mUsername.setError(getString(R.string.alert_text_no_input_username));
 150                         valid = false;
 151                 }
 152                 return valid;
 153         }
 154
 155         /**
 156          * Update the profile object with the data entered by the user
 157          */
 158         private void updateProfileData()
 159         {
 160                 /* the name is optional, we default to the gateway if none is given */
 161                 String name = mName.getText().toString().trim();
 162                 String gateway = mGateway.getText().toString().trim();
 163                 mProfile.setName(name.isEmpty() ? gateway : name);
 164                 mProfile.setGateway(gateway);
 165                 mProfile.setUsername(mUsername.getText().toString().trim());
 166                 String password = mPassword.getText().toString().trim();
 167                 password = password.isEmpty() ? null : password;
 168                 mProfile.setPassword(password);
 169         }
 170
 171         /**
 172          * Load an existing profile if we got an ID
 173          */
 174         private void loadProfileData()
 175         {
 176                 getActionBar().setTitle(R.string.add_profile);
 177                 if (mId != null)
 178                 {
 179                         mProfile = mDataSource.getVpnProfile(mId);
 180                         if (mProfile != null)
 181                         {
 182                                 mName.setText(mProfile.getName());
 183                                 mGateway.setText(mProfile.getGateway());
 184                                 mUsername.setText(mProfile.getUsername());
 185                                 mPassword.setText(mProfile.getPassword());
 186                                 getActionBar().setTitle(mProfile.getName());
 187                         }
 188                         else
 189                         {
 190                                 Log.e(VpnProfileDetailActivity.class.getSimpleName(),
 191                                           "VPN profile with id " + mId + " not found");
 192                                 finish();
 193                         }
 194                 }
 195         }
 196 }