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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.graphics.drawable.Icon;
     22 import android.net.ConnectivityManager;
     23 import android.net.wifi.WifiConfiguration;
     24 import android.net.wifi.WifiManager;
     25 import android.os.UserHandle;
     26 import android.os.UserManager;
     27 
     28 import com.android.internal.logging.MetricsProto.MetricsEvent;
     29 import com.android.settings.R;
     30 import com.android.settings.TetherSettings;
     31 import com.android.settings.Utils;
     32 import com.android.settingslib.RestrictedLockUtils;
     33 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
     34 import com.android.settingslib.TetherUtil;
     35 
     36 public class HotspotCondition extends Condition {
     37 
     38     private final WifiManager mWifiManager;
     39 
     40     public HotspotCondition(ConditionManager manager) {
     41         super(manager);
     42         mWifiManager = mManager.getContext().getSystemService(WifiManager.class);
     43     }
     44 
     45     @Override
     46     public void refreshState() {
     47         boolean wifiTetherEnabled = mWifiManager.isWifiApEnabled();
     48         setActive(wifiTetherEnabled);
     49     }
     50 
     51     @Override
     52     protected Class<?> getReceiverClass() {
     53         return Receiver.class;
     54     }
     55 
     56     @Override
     57     public Icon getIcon() {
     58         return Icon.createWithResource(mManager.getContext(), R.drawable.ic_hotspot);
     59     }
     60 
     61     private String getSsid() {
     62         WifiConfiguration wifiConfig = mWifiManager.getWifiApConfiguration();
     63         if (wifiConfig == null) {
     64             return mManager.getContext().getString(
     65                     com.android.internal.R.string.wifi_tether_configure_ssid_default);
     66         } else {
     67             return wifiConfig.SSID;
     68         }
     69     }
     70 
     71     @Override
     72     public CharSequence getTitle() {
     73         return mManager.getContext().getString(R.string.condition_hotspot_title);
     74     }
     75 
     76     @Override
     77     public CharSequence getSummary() {
     78         return mManager.getContext().getString(R.string.condition_hotspot_summary, getSsid());
     79     }
     80 
     81     @Override
     82     public CharSequence[] getActions() {
     83         final Context context = mManager.getContext();
     84         if (RestrictedLockUtils.hasBaseUserRestriction(context,
     85                 UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.myUserId())) {
     86             return new CharSequence[0];
     87         }
     88         return new CharSequence[] { context.getString(R.string.condition_turn_off) };
     89     }
     90 
     91     @Override
     92     public void onPrimaryClick() {
     93         Utils.startWithFragment(mManager.getContext(), TetherSettings.class.getName(), null, null,
     94                 0, R.string.tether_settings_title_all, null);
     95     }
     96 
     97     @Override
     98     public void onActionClick(int index) {
     99         if (index == 0) {
    100             final Context context = mManager.getContext();
    101             final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(context,
    102                     UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.myUserId());
    103             if (admin != null) {
    104                 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(context, admin);
    105             } else {
    106                 ConnectivityManager cm = (ConnectivityManager) context.getSystemService(
    107                         Context.CONNECTIVITY_SERVICE);
    108                 cm.stopTethering(ConnectivityManager.TETHERING_WIFI);
    109                 setActive(false);
    110             }
    111         } else {
    112             throw new IllegalArgumentException("Unexpected index " + index);
    113         }
    114     }
    115 
    116     @Override
    117     public int getMetricsConstant() {
    118         return MetricsEvent.SETTINGS_CONDITION_HOTSPOT;
    119     }
    120 
    121     public static class Receiver extends BroadcastReceiver {
    122         @Override
    123         public void onReceive(Context context, Intent intent) {
    124             if (WifiManager.WIFI_AP_STATE_CHANGED_ACTION.equals(intent.getAction())) {
    125                 ConditionManager.get(context).getCondition(HotspotCondition.class)
    126                         .refreshState();
    127             }
    128         }
    129     }
    130 }
    131