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      1 /*
      2  * Copyright (C) 2015 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 package com.android.settings.dashboard.conditional;
     17 
     18 import android.content.BroadcastReceiver;
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.content.IntentFilter;
     22 import android.graphics.drawable.Drawable;
     23 import android.net.ConnectivityManager;
     24 import android.net.wifi.WifiConfiguration;
     25 import android.net.wifi.WifiManager;
     26 import android.os.UserHandle;
     27 import android.os.UserManager;
     28 
     29 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     30 import com.android.settings.R;
     31 import com.android.settings.TetherSettings;
     32 import com.android.settings.core.SubSettingLauncher;
     33 import com.android.settingslib.RestrictedLockUtils;
     34 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
     35 
     36 public class HotspotCondition extends Condition {
     37 
     38     private final WifiManager mWifiManager;
     39     private final Receiver mReceiver;
     40 
     41     private static final IntentFilter WIFI_AP_STATE_FILTER =
     42             new IntentFilter(WifiManager.WIFI_AP_STATE_CHANGED_ACTION);
     43 
     44     public HotspotCondition(ConditionManager manager) {
     45         super(manager);
     46         mWifiManager = mManager.getContext().getSystemService(WifiManager.class);
     47         mReceiver = new Receiver();
     48     }
     49 
     50     @Override
     51     public void refreshState() {
     52         boolean wifiTetherEnabled = mWifiManager.isWifiApEnabled();
     53         setActive(wifiTetherEnabled);
     54     }
     55 
     56     @Override
     57     protected BroadcastReceiver getReceiver() {
     58         return mReceiver;
     59     }
     60 
     61     @Override
     62     protected IntentFilter getIntentFilter() {
     63         return WIFI_AP_STATE_FILTER;
     64     }
     65 
     66     @Override
     67     public Drawable getIcon() {
     68         return mManager.getContext().getDrawable(R.drawable.ic_hotspot);
     69     }
     70 
     71     private String getSsid() {
     72         WifiConfiguration wifiConfig = mWifiManager.getWifiApConfiguration();
     73         if (wifiConfig == null) {
     74             return mManager.getContext().getString(
     75                     com.android.internal.R.string.wifi_tether_configure_ssid_default);
     76         } else {
     77             return wifiConfig.SSID;
     78         }
     79     }
     80 
     81     @Override
     82     public CharSequence getTitle() {
     83         return mManager.getContext().getString(R.string.condition_hotspot_title);
     84     }
     85 
     86     @Override
     87     public CharSequence getSummary() {
     88         return mManager.getContext().getString(R.string.condition_hotspot_summary, getSsid());
     89     }
     90 
     91     @Override
     92     public CharSequence[] getActions() {
     93         final Context context = mManager.getContext();
     94         if (RestrictedLockUtils.hasBaseUserRestriction(context,
     95                 UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.myUserId())) {
     96             return new CharSequence[0];
     97         }
     98         return new CharSequence[] {context.getString(R.string.condition_turn_off)};
     99     }
    100 
    101     @Override
    102     public void onPrimaryClick() {
    103         new SubSettingLauncher(mManager.getContext())
    104                 .setDestination(TetherSettings.class.getName())
    105                 .setSourceMetricsCategory(MetricsEvent.DASHBOARD_SUMMARY)
    106                 .setTitle(R.string.tether_settings_title_all)
    107                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
    108                 .launch();
    109     }
    110 
    111     @Override
    112     public void onActionClick(int index) {
    113         if (index == 0) {
    114             final Context context = mManager.getContext();
    115             final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(context,
    116                     UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.myUserId());
    117             if (admin != null) {
    118                 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(context, admin);
    119             } else {
    120                 ConnectivityManager cm = (ConnectivityManager) context.getSystemService(
    121                         Context.CONNECTIVITY_SERVICE);
    122                 cm.stopTethering(ConnectivityManager.TETHERING_WIFI);
    123                 setActive(false);
    124             }
    125         } else {
    126             throw new IllegalArgumentException("Unexpected index " + index);
    127         }
    128     }
    129 
    130     @Override
    131     public int getMetricsConstant() {
    132         return MetricsEvent.SETTINGS_CONDITION_HOTSPOT;
    133     }
    134 
    135     public static class Receiver extends BroadcastReceiver {
    136         @Override
    137         public void onReceive(Context context, Intent intent) {
    138             if (WifiManager.WIFI_AP_STATE_CHANGED_ACTION.equals(intent.getAction())) {
    139                 ConditionManager.get(context).getCondition(HotspotCondition.class)
    140                         .refreshState();
    141             }
    142         }
    143     }
    144 }
    145