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.RouteInfo;
21 
22 import com.android.car.settings.common.FragmentController;
23 
24 /**
25  * Shows info about Wifi Gateway info.
26  */
27 public class WifiGatewayPreferenceController extends
28         WifiDetailsBasePreferenceController<WifiDetailsPreference> {
29 
WifiGatewayPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)30     public WifiGatewayPreferenceController(Context context, String preferenceKey,
31             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
32         super(context, preferenceKey, fragmentController, uxRestrictions);
33     }
34 
35     @Override
getPreferenceType()36     protected Class<WifiDetailsPreference> getPreferenceType() {
37         return WifiDetailsPreference.class;
38     }
39 
40     @Override
updateState(WifiDetailsPreference preference)41     protected void updateState(WifiDetailsPreference preference) {
42         String gateway = null;
43         for (RouteInfo routeInfo : getWifiInfoProvider().getLinkProperties().getRoutes()) {
44             if (routeInfo.isIPv4Default() && routeInfo.hasGateway()) {
45                 gateway = routeInfo.getGateway().getHostAddress();
46                 break;
47             }
48         }
49 
50         if (gateway == null) {
51             preference.setVisible(false);
52         } else {
53             preference.setDetailText(gateway);
54             preference.setVisible(true);
55         }
56     }
57 }
58