1 /*
2  * Copyright (C) 2017 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.car.settings.wifi.details;
17 
18 import android.car.drivingstate.CarUxRestrictions;
19 import android.content.Context;
20 import android.net.LinkAddress;
21 
22 import com.android.car.settings.common.FragmentController;
23 
24 import java.net.Inet4Address;
25 
26 /**
27  * Shows info about Wifi IP address.
28  */
29 public class WifiIpAddressPreferenceController extends
30         WifiDetailsBasePreferenceController<WifiDetailsPreference> {
31 
WifiIpAddressPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)32     public WifiIpAddressPreferenceController(Context context, String preferenceKey,
33             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
34         super(context, preferenceKey, fragmentController, uxRestrictions);
35     }
36 
37     @Override
getPreferenceType()38     protected Class<WifiDetailsPreference> getPreferenceType() {
39         return WifiDetailsPreference.class;
40     }
41 
42     @Override
updateState(WifiDetailsPreference preference)43     protected void updateState(WifiDetailsPreference preference) {
44         String ipv4Address = null;
45 
46         for (LinkAddress addr : getWifiInfoProvider().getLinkProperties().getLinkAddresses()) {
47             if (addr.getAddress() instanceof Inet4Address) {
48                 ipv4Address = addr.getAddress().getHostAddress();
49             }
50         }
51 
52         if (ipv4Address == null) {
53             preference.setVisible(false);
54         } else {
55             preference.setDetailText(ipv4Address);
56             preference.setVisible(true);
57         }
58     }
59 }
60