1 /* 2 * Copyright (C) 2019 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 17 package com.android.settings.development; 18 19 import android.content.Context; 20 import android.net.wifi.WifiManager; 21 22 import androidx.preference.Preference; 23 import androidx.preference.SwitchPreference; 24 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 27 28 public class WifiScanThrottlingPreferenceController extends DeveloperOptionsPreferenceController 29 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 30 private static final String WIFI_SCAN_THROTTLING_KEY = "wifi_scan_throttling"; 31 32 private final WifiManager mWifiManager; 33 WifiScanThrottlingPreferenceController(Context context)34 public WifiScanThrottlingPreferenceController(Context context) { 35 super(context); 36 mWifiManager = context.getSystemService(WifiManager.class); 37 } 38 39 @Override getPreferenceKey()40 public String getPreferenceKey() { 41 return WIFI_SCAN_THROTTLING_KEY; 42 } 43 44 @Override onPreferenceChange(Preference preference, Object newValue)45 public boolean onPreferenceChange(Preference preference, Object newValue) { 46 final boolean isEnabled = (Boolean) newValue; 47 mWifiManager.setScanThrottleEnabled(isEnabled); 48 return true; 49 } 50 51 @Override updateState(Preference preference)52 public void updateState(Preference preference) { 53 ((SwitchPreference) mPreference).setChecked(mWifiManager.isScanThrottleEnabled()); 54 } 55 56 @Override onDeveloperOptionsSwitchDisabled()57 protected void onDeveloperOptionsSwitchDisabled() { 58 super.onDeveloperOptionsSwitchDisabled(); 59 mWifiManager.setScanThrottleEnabled(true); 60 ((SwitchPreference) mPreference).setChecked(true); 61 } 62 } 63