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      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.app.FragmentTransaction;
     21 import android.content.Context;
     22 import android.net.wifi.WifiManager;
     23 import android.net.wifi.WifiManager.WpsCallback;
     24 import android.net.wifi.WpsInfo;
     25 import android.os.Bundle;
     26 
     27 import com.android.tv.settings.R;
     28 import com.android.tv.settings.connectivity.setup.SelectFromListWizardFragment;
     29 import com.android.tv.settings.dialog.old.DialogActivity;
     30 import com.android.tv.settings.util.ThemeHelper;
     31 
     32 import java.util.ArrayList;
     33 
     34 public class WpsConnectionActivity extends DialogActivity
     35         implements SelectFromListWizardFragment.Listener, TimedMessageWizardFragment.Listener {
     36 
     37     private static final String WPS_FRAGMENT_TAG = "wps_fragment_tag";
     38 
     39     private WifiManager mWifiManager;
     40     private boolean mWpsComplete;
     41     private boolean mActive;
     42 
     43     private final WpsCallback mWpsCallback = new WpsCallback() {
     44         @Override
     45         public void onStarted(String pin) {
     46             if (pin != null && mActive) {
     47                 displayFragment(createEnterPinFragment(pin), true);
     48             }
     49         }
     50 
     51         @Override
     52         public void onSucceeded() {
     53             mWpsComplete = true;
     54 
     55             if (!mActive) {
     56                 return;
     57             }
     58 
     59             displayFragment(createSuccessFragment(), true);
     60         }
     61 
     62         @Override
     63         public void onFailed(int reason) {
     64             mWpsComplete = true;
     65 
     66             if (!mActive) {
     67                 return;
     68             }
     69 
     70             String errorMessage;
     71             switch (reason) {
     72                 case WifiManager.WPS_OVERLAP_ERROR:
     73                     errorMessage = getString(R.string.wifi_wps_failed_overlap);
     74                     break;
     75                 case WifiManager.WPS_WEP_PROHIBITED:
     76                     errorMessage = getString(R.string.wifi_wps_failed_wep);
     77                     break;
     78                 case WifiManager.WPS_TKIP_ONLY_PROHIBITED:
     79                     errorMessage = getString(R.string.wifi_wps_failed_tkip);
     80                     break;
     81                 case WifiManager.IN_PROGRESS:
     82                     mWifiManager.cancelWps(null);
     83                     startWps();
     84                     return;
     85                 case WifiManager.WPS_TIMED_OUT:
     86                     startWps();
     87                     return;
     88                 default:
     89                     errorMessage = getString(R.string.wifi_wps_failed_generic);
     90                     break;
     91             }
     92             displayFragment(createErrorFragment(errorMessage), true);
     93         }
     94     };
     95 
     96     @Override
     97     protected void onCreate(Bundle savedInstanceState) {
     98         setTheme(ThemeHelper.getThemeResource(getIntent()));
     99         setLayoutProperties(R.layout.setup_auth_activity, R.id.description, R.id.action);
    100         super.onCreate(savedInstanceState);
    101         mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
    102     }
    103 
    104     @Override
    105     protected void onStart() {
    106         super.onStart();
    107         // Must be set before all other actions.
    108         mActive = true;
    109 
    110         startWps();
    111     }
    112 
    113     @Override
    114     protected void onStop() {
    115         super.onStop();
    116         mActive = false;
    117 
    118         if (!mWpsComplete) {
    119             mWifiManager.cancelWps(null);
    120         }
    121     }
    122 
    123     @Override
    124     public void onTimedMessageCompleted() {
    125         setResult(RESULT_OK);
    126         finish();
    127     }
    128 
    129     @Override
    130     public void onListSelectionComplete(SelectFromListWizardFragment.ListItem listItem) {
    131         startWps();
    132     }
    133 
    134     @Override
    135     public void onListFocusChanged(SelectFromListWizardFragment.ListItem listItem) {
    136         // Do nothing.
    137     }
    138 
    139     private void startWps() {
    140         Fragment currentFragment = getFragmentManager().findFragmentByTag(WPS_FRAGMENT_TAG);
    141         if (!(currentFragment instanceof WpsScanningFragment)) {
    142             displayFragment(createWpsScanningFragment(), true);
    143         }
    144         mWpsComplete = false;
    145         WpsInfo wpsConfig = new WpsInfo();
    146         wpsConfig.setup = WpsInfo.PBC;
    147         mWifiManager.startWps(wpsConfig, mWpsCallback);
    148     }
    149 
    150     private Fragment createWpsScanningFragment() {
    151         return WpsScanningFragment.newInstance();
    152     }
    153 
    154     private Fragment createEnterPinFragment(String pin) {
    155         return WpsPinFragment.newInstance(pin);
    156     }
    157 
    158     private Fragment createErrorFragment(String errorMessage) {
    159         SelectFromListWizardFragment.ListItem retryListItem =
    160                 new SelectFromListWizardFragment.ListItem(
    161                         getString(R.string.wifi_wps_retry_scan), 0);
    162         ArrayList<SelectFromListWizardFragment.ListItem> listItems = new ArrayList<>();
    163         listItems.add(retryListItem);
    164         return SelectFromListWizardFragment.newInstance(errorMessage, null, listItems,
    165                 retryListItem);
    166     }
    167 
    168     private Fragment createSuccessFragment() {
    169         return TimedMessageWizardFragment.newInstance(
    170                 getString(R.string.wifi_setup_connection_success));
    171     }
    172 
    173     private void displayFragment(Fragment fragment, boolean forward) {
    174         FragmentTransaction transaction = getFragmentManager().beginTransaction();
    175         if (forward) {
    176             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
    177         } else {
    178             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE);
    179         }
    180         transaction.replace(R.id.content, fragment, WPS_FRAGMENT_TAG).commit();
    181     }
    182 }
    183