1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5  * except in compliance with the License. You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the
10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11  * KIND, either express or implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14 package com.android.settings.location;
15 
16 import android.content.Context;
17 import android.net.wifi.WifiManager;
18 
19 import androidx.preference.Preference;
20 import androidx.preference.SwitchPreference;
21 
22 import com.android.settings.core.PreferenceControllerMixin;
23 import com.android.settingslib.core.AbstractPreferenceController;
24 
25 public class WifiScanningPreferenceController extends AbstractPreferenceController
26         implements PreferenceControllerMixin {
27 
28     private static final String KEY_WIFI_SCAN_ALWAYS_AVAILABLE = "wifi_always_scanning";
29     private final WifiManager mWifiManager;
30 
WifiScanningPreferenceController(Context context)31     public WifiScanningPreferenceController(Context context) {
32         super(context);
33         mWifiManager = context.getSystemService(WifiManager.class);
34     }
35 
36     @Override
isAvailable()37     public boolean isAvailable() {
38         return true;
39     }
40 
41     @Override
getPreferenceKey()42     public String getPreferenceKey() {
43         return KEY_WIFI_SCAN_ALWAYS_AVAILABLE;
44     }
45 
46     @Override
updateState(Preference preference)47     public void updateState(Preference preference) {
48         ((SwitchPreference) preference).setChecked(mWifiManager.isScanAlwaysAvailable());
49     }
50 
51     @Override
handlePreferenceTreeClick(Preference preference)52     public boolean handlePreferenceTreeClick(Preference preference) {
53         if (KEY_WIFI_SCAN_ALWAYS_AVAILABLE.equals(preference.getKey())) {
54             mWifiManager.setScanAlwaysAvailable(((SwitchPreference) preference).isChecked());
55             return true;
56         }
57         return false;
58     }
59 }
60