1 /* 2 * Copyright (C) 2018 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 import android.support.v14.preference.SwitchPreference; 22 import android.support.v7.preference.Preference; 23 24 import com.android.settings.core.PreferenceControllerMixin; 25 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 26 27 /** 28 * Base controller for Switch preference that maps to a specific value in Settings.Global. 29 */ 30 public abstract class GlobalSettingSwitchPreferenceController extends 31 DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, 32 PreferenceControllerMixin { 33 34 private static final int SETTING_VALUE_OFF = 0; 35 private static final int SETTING_VALUE_ON = 1; 36 37 private final String mSettingsKey; 38 private final int mOn; 39 private final int mOff; 40 private final int mDefault; 41 GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey)42 public GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey) { 43 this(context, globalSettingsKey, SETTING_VALUE_ON, SETTING_VALUE_OFF, SETTING_VALUE_OFF); 44 } 45 46 /** 47 * Use different on/off/default vaules other than the standard 1/0/0. 48 */ GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey, int valueOn, int valueOff, int valueDefault)49 public GlobalSettingSwitchPreferenceController(Context context, String globalSettingsKey, 50 int valueOn, int valueOff, int valueDefault) { 51 super(context); 52 mSettingsKey = globalSettingsKey; 53 mOn = valueOn; 54 mOff = valueOff; 55 mDefault = valueDefault; 56 } 57 58 @Override onPreferenceChange(Preference preference, Object newValue)59 public boolean onPreferenceChange(Preference preference, Object newValue) { 60 final boolean isEnabled = (Boolean) newValue; 61 Settings.Global.putInt(mContext.getContentResolver(), mSettingsKey, isEnabled ? mOn : mOff); 62 return true; 63 } 64 65 @Override updateState(Preference preference)66 public void updateState(Preference preference) { 67 final int mode = 68 Settings.Global.getInt(mContext.getContentResolver(), mSettingsKey, mDefault); 69 ((SwitchPreference) mPreference).setChecked(mode != mOff); 70 } 71 72 @Override onDeveloperOptionsSwitchDisabled()73 protected void onDeveloperOptionsSwitchDisabled() { 74 super.onDeveloperOptionsSwitchDisabled(); 75 Settings.Global.putInt(mContext.getContentResolver(), mSettingsKey, mOff); 76 ((SwitchPreference) mPreference).setChecked(false); 77 } 78 } 79