Home | History | Annotate | Download | only in connectivity 
      1 /*
      2  * Copyright (C) 2014 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.tv.settings.connectivity;
     18 
     19 import android.app.Fragment;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.net.wifi.WifiConfiguration;
     23 import android.os.Bundle;
     24 import android.text.TextUtils;
     25 
     26 import com.android.settingslib.wifi.AccessPoint;
     27 import com.android.tv.settings.R;
     28 import com.android.tv.settings.form.FormPage;
     29 import com.android.tv.settings.form.FormPageResultListener;
     30 
     31 /**
     32  * Add a wifi network where we already know the ssid/security; normal post-install settings.
     33  */
     34 public class WifiConnectionActivity extends WifiMultiPagedFormActivity
     35         implements ConnectToWifiFragment.Listener, TimedMessageWizardFragment.Listener {
     36 
     37     private static final String EXTRA_WIFI_SSID = "wifi_ssid";
     38     private static final String EXTRA_WIFI_SECURITY_NAME = "wifi_security_name";
     39 
     40     public static Intent createIntent(Context context, AccessPoint result, WifiSecurity security) {
     41         return new Intent(context, WifiConnectionActivity.class)
     42                 .putExtra(EXTRA_WIFI_SSID, result.getSsidStr())
     43                 .putExtra(EXTRA_WIFI_SECURITY_NAME, security.name());
     44     }
     45 
     46     public static Intent createIntent(Context context, AccessPoint result) {
     47         final WifiSecurity security = WifiSecurity.getSecurity(result);
     48         return createIntent(context, result, security);
     49     }
     50 
     51     public static Intent createIntent(Context context, WifiConfiguration configuration) {
     52         final WifiSecurity security = WifiSecurity.getSecurity(configuration);
     53         final String ssid = configuration.getPrintableSsid();
     54         return new Intent(context, WifiConnectionActivity.class)
     55                 .putExtra(EXTRA_WIFI_SSID, ssid)
     56                 .putExtra(EXTRA_WIFI_SECURITY_NAME, security.name());
     57     }
     58 
     59     private AdvancedWifiOptionsFlow mAdvancedWifiOptionsFlow;
     60     private WifiConfiguration mConfiguration;
     61     private WifiSecurity mWifiSecurity;
     62     private FormPage mPasswordPage;
     63     private FormPage mConnectPage;
     64     private FormPage mSuccessPage;
     65 
     66     @Override
     67     protected void onCreate(Bundle savedInstanceState) {
     68         mWifiSecurity = WifiSecurity.valueOf(getIntent().getStringExtra(EXTRA_WIFI_SECURITY_NAME));
     69 
     70         mConfiguration = WifiConfigHelper.getConfiguration(
     71                 this, getIntent().getStringExtra(EXTRA_WIFI_SSID), mWifiSecurity);
     72 
     73         if (WifiConfigHelper.isNetworkSaved(mConfiguration)) {
     74             addPage(WifiFormPageType.KNOWN_NETWORK);
     75         } else {
     76             addStartPage();
     77         }
     78         super.onCreate(savedInstanceState);
     79     }
     80 
     81     @Override
     82     public void onConnectToWifiCompleted(int reason) {
     83         Bundle result = new Bundle();
     84         result.putString(FormPage.DATA_KEY_SUMMARY_STRING, Integer.toString(reason));
     85         onBundlePageResult(mConnectPage, result);
     86     }
     87 
     88     @Override
     89     public void onTimedMessageCompleted() {
     90         Bundle result = new Bundle();
     91         result.putString(FormPage.DATA_KEY_SUMMARY_STRING, "");
     92         onBundlePageResult(mSuccessPage, result);
     93     }
     94 
     95     @Override
     96     protected boolean onPageComplete(WifiFormPageType formPageType, FormPage formPage) {
     97 
     98         switch (formPageType) {
     99             case KNOWN_NETWORK:
    100                 if (choiceChosen(formPage, R.string.wifi_connect)) {
    101                     addStartPage();
    102                 } else if (choiceChosen(formPage, R.string.wifi_forget_network)) {
    103                     WifiConfigHelper.forgetConfiguration(this, mConfiguration);
    104                     setResult(RESULT_OK);
    105                     finish();
    106                 }
    107                 break;
    108             case ENTER_PASSWORD:
    109                 mPasswordPage = formPage;
    110                 String password = formPage.getDataSummary();
    111                 setWifiConfigurationPassword(mConfiguration, mWifiSecurity, password);
    112                 optionsOrConnect();
    113                 break;
    114             case CONNECT:
    115                 switch (Integer.valueOf(formPage.getDataSummary())) {
    116                     case ConnectToWifiFragment.RESULT_REJECTED_BY_AP:
    117                         addPage(WifiFormPageType.CONNECT_REJECTED_BY_AP);
    118                         break;
    119                     case ConnectToWifiFragment.RESULT_UNKNOWN_ERROR:
    120                         addPage(WifiFormPageType.CONNECT_FAILED);
    121                         break;
    122                     case ConnectToWifiFragment.RESULT_TIMEOUT:
    123                         addPage(WifiFormPageType.CONNECT_TIMEOUT);
    124                         break;
    125                     case ConnectToWifiFragment.RESULT_BAD_AUTHENTICATION:
    126                         WifiConfigHelper.forgetConfiguration(this, mConfiguration);
    127                         addPage(WifiFormPageType.CONNECT_AUTHENTICATION_FAILURE);
    128                         break;
    129                     case ConnectToWifiFragment.RESULT_SUCCESS:
    130                         WifiConfigHelper.saveConfiguration(this, mConfiguration);
    131                         addPage(WifiFormPageType.SUCCESS);
    132                         break;
    133                     default:
    134                         break;
    135                 }
    136                 break;
    137             case CONNECT_FAILED:
    138                 // Fall through
    139             case CONNECT_TIMEOUT:
    140                 mAdvancedWifiOptionsFlow = new AdvancedWifiOptionsFlow(this, this, true, null);
    141                 // Fall through
    142             case CONNECT_REJECTED_BY_AP:
    143                 if (choiceChosen(formPage, R.string.wifi_action_try_again)) {
    144                     clear();
    145                     optionsOrConnect();
    146                 }
    147                 break;
    148             case CONNECT_AUTHENTICATION_FAILURE:
    149                 if (choiceChosen(formPage, R.string.wifi_action_try_again)) {
    150                     clear();
    151                     if (mWifiSecurity.isOpen()) {
    152                         optionsOrConnect();
    153                     } else {
    154                         addPage(WifiFormPageType.ENTER_PASSWORD);
    155                     }
    156                 }
    157                 break;
    158             case SUCCESS:
    159                 break;
    160             default:
    161                 if (mAdvancedWifiOptionsFlow != null) {
    162                     switch (mAdvancedWifiOptionsFlow.handlePageComplete(formPageType, formPage)) {
    163                         case AdvancedWifiOptionsFlow.RESULT_ALL_PAGES_COMPLETE:
    164                             connect();
    165                             break;
    166                         case AdvancedWifiOptionsFlow.RESULT_UNKNOWN_PAGE:
    167                         case AdvancedWifiOptionsFlow.RESULT_PAGE_HANDLED:
    168                         default:
    169                             break;
    170                     }
    171                 }
    172                 break;
    173         }
    174         return true;
    175     }
    176 
    177     @Override
    178     protected void displayPage(FormPage formPage, FormPageResultListener listener,
    179             boolean forward) {
    180         WifiFormPageType formPageType = getFormPageType(formPage);
    181         if (formPageType == WifiFormPageType.CONNECT) {
    182             mConnectPage = formPage;
    183             Fragment fragment = ConnectToWifiFragment.newInstance(
    184                     getString(formPageType.getTitleResourceId(), mConfiguration.getPrintableSsid()),
    185                     true, mConfiguration);
    186             displayFragment(fragment, forward);
    187         } else if (formPageType == WifiFormPageType.SUCCESS) {
    188             mSuccessPage = formPage;
    189             Fragment fragment = TimedMessageWizardFragment.newInstance(
    190                     getString(formPageType.getTitleResourceId()));
    191             displayFragment(fragment, forward);
    192         } else {
    193             displayPage(formPageType, mConfiguration.getPrintableSsid(), null, null,
    194                     getPreviousPage(formPageType), null, formPageType != WifiFormPageType.SUCCESS,
    195                     formPage, listener, forward, (mAdvancedWifiOptionsFlow != null) &&
    196                             mAdvancedWifiOptionsFlow.isEmptyTextAllowed(formPageType));
    197         }
    198     }
    199 
    200     private FormPage getPreviousPage(WifiFormPageType formPageType) {
    201         switch (formPageType) {
    202             case ENTER_PASSWORD:
    203                 return mPasswordPage;
    204             default:
    205                 return (mAdvancedWifiOptionsFlow != null) ? mAdvancedWifiOptionsFlow
    206                         .getPreviousPage(formPageType)
    207                         : null;
    208         }
    209     }
    210 
    211     private void addStartPage() {
    212         /**
    213          * WEP connections use the wepKeys for authentication.  Other networks use preSharedKey.
    214          * If the network isn't open or doesn't have its authentication info present, ask for it.
    215          * Otherwise, go straight to connecting.
    216          */
    217         if ((mWifiSecurity == WifiSecurity.WEP && TextUtils.isEmpty(mConfiguration.wepKeys[0]))
    218                 || (!mWifiSecurity.isOpen() && TextUtils.isEmpty(mConfiguration.preSharedKey))) {
    219             addPage(WifiFormPageType.ENTER_PASSWORD);
    220         } else {
    221             connect();
    222         }
    223     }
    224 
    225     private void connect() {
    226         if (!WifiConfigHelper.isNetworkSaved(mConfiguration) &&
    227             mAdvancedWifiOptionsFlow != null) {
    228             mAdvancedWifiOptionsFlow.updateConfiguration(mConfiguration);
    229         }
    230         addPage(WifiFormPageType.CONNECT);
    231     }
    232 
    233     private void optionsOrConnect() {
    234         if (mAdvancedWifiOptionsFlow != null) {
    235             addPage(mAdvancedWifiOptionsFlow.getInitialPage());
    236         } else {
    237             connect();
    238         }
    239     }
    240 }
    241