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.provider.Settings; 21 22 import androidx.annotation.VisibleForTesting; 23 import androidx.preference.Preference; 24 import androidx.preference.SwitchPreference; 25 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 28 29 public class WifiScanThrottlingPreferenceController extends DeveloperOptionsPreferenceController 30 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 31 private static final String WIFI_SCAN_THROTTLING_KEY = "wifi_scan_throttling"; 32 @VisibleForTesting 33 static final int SETTING_THROTTLING_ENABLE_VALUE_ON = 1; // default is throttling enabled. 34 @VisibleForTesting 35 static final int SETTING_THROTTLING_ENABLE_VALUE_OFF = 0; 36 WifiScanThrottlingPreferenceController(Context context)37 public WifiScanThrottlingPreferenceController(Context context) { 38 super(context); 39 } 40 41 @Override getPreferenceKey()42 public String getPreferenceKey() { 43 return WIFI_SCAN_THROTTLING_KEY; 44 } 45 46 @Override onPreferenceChange(Preference preference, Object newValue)47 public boolean onPreferenceChange(Preference preference, Object newValue) { 48 final boolean isEnabled = (Boolean) newValue; 49 Settings.Global.putInt(mContext.getContentResolver(), 50 Settings.Global.WIFI_SCAN_THROTTLE_ENABLED, 51 isEnabled 52 ? SETTING_THROTTLING_ENABLE_VALUE_ON 53 : SETTING_THROTTLING_ENABLE_VALUE_OFF); 54 return true; 55 } 56 57 @Override updateState(Preference preference)58 public void updateState(Preference preference) { 59 final int scanThrottleEnabled = Settings.Global.getInt( 60 mContext.getContentResolver(), Settings.Global.WIFI_SCAN_THROTTLE_ENABLED, 61 SETTING_THROTTLING_ENABLE_VALUE_ON); 62 ((SwitchPreference) mPreference).setChecked( 63 scanThrottleEnabled == SETTING_THROTTLING_ENABLE_VALUE_ON); 64 } 65 66 @Override onDeveloperOptionsSwitchDisabled()67 protected void onDeveloperOptionsSwitchDisabled() { 68 super.onDeveloperOptionsSwitchDisabled(); 69 Settings.Global.putInt(mContext.getContentResolver(), 70 Settings.Global.WIFI_SCAN_THROTTLE_ENABLED, SETTING_THROTTLING_ENABLE_VALUE_ON); 71 ((SwitchPreference) mPreference).setChecked(true); 72 } 73 } 74