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 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 ShowTapsPreferenceController extends DeveloperOptionsPreferenceController implements 30 Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 31 32 private static final String SHOW_TOUCHES_KEY = "show_touches"; 33 34 @VisibleForTesting 35 static final int SETTING_VALUE_ON = 1; 36 @VisibleForTesting 37 static final int SETTING_VALUE_OFF = 0; 38 ShowTapsPreferenceController(Context context)39 public ShowTapsPreferenceController(Context context) { 40 super(context); 41 } 42 43 @Override getPreferenceKey()44 public String getPreferenceKey() { 45 return SHOW_TOUCHES_KEY; 46 } 47 48 @Override onPreferenceChange(Preference preference, Object newValue)49 public boolean onPreferenceChange(Preference preference, Object newValue) { 50 final boolean isEnabled = (Boolean) newValue; 51 Settings.System.putInt(mContext.getContentResolver(), 52 Settings.System.SHOW_TOUCHES, isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); 53 return true; 54 } 55 56 @Override updateState(Preference preference)57 public void updateState(Preference preference) { 58 int showTapsMode = Settings.System.getInt(mContext.getContentResolver(), 59 Settings.System.SHOW_TOUCHES, SETTING_VALUE_OFF); 60 ((SwitchPreference) mPreference).setChecked(showTapsMode != SETTING_VALUE_OFF); 61 } 62 63 @Override onDeveloperOptionsSwitchDisabled()64 protected void onDeveloperOptionsSwitchDisabled() { 65 super.onDeveloperOptionsSwitchDisabled(); 66 Settings.System.putInt(mContext.getContentResolver(), Settings.System.SHOW_TOUCHES, 67 SETTING_VALUE_OFF); 68 ((SwitchPreference) mPreference).setChecked(false); 69 } 70 } 71