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.notification; 18 19 import android.app.NotificationManager; 20 import android.content.Context; 21 import android.os.Vibrator; 22 23 import androidx.preference.Preference; 24 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settingslib.RestrictedSwitchPreference; 27 28 public class VibrationPreferenceController extends NotificationPreferenceController 29 implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener { 30 31 private static final String KEY_VIBRATE = "vibrate"; 32 private final Vibrator mVibrator; 33 VibrationPreferenceController(Context context, NotificationBackend backend)34 public VibrationPreferenceController(Context context, NotificationBackend backend) { 35 super(context, backend); 36 mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); 37 } 38 39 @Override getPreferenceKey()40 public String getPreferenceKey() { 41 return KEY_VIBRATE; 42 } 43 44 @Override isAvailable()45 public boolean isAvailable() { 46 if (!super.isAvailable() || mChannel == null) { 47 return false; 48 } 49 return checkCanBeVisible(NotificationManager.IMPORTANCE_DEFAULT) 50 && !isDefaultChannel() 51 && mVibrator != null 52 && mVibrator.hasVibrator(); 53 } 54 updateState(Preference preference)55 public void updateState(Preference preference) { 56 if (mChannel != null) { 57 RestrictedSwitchPreference pref = (RestrictedSwitchPreference) preference; 58 pref.setDisabledByAdmin(mAdmin); 59 pref.setEnabled(!pref.isDisabledByAdmin()); 60 pref.setChecked(mChannel.shouldVibrate()); 61 } 62 } 63 64 @Override onPreferenceChange(Preference preference, Object newValue)65 public boolean onPreferenceChange(Preference preference, Object newValue) { 66 if (mChannel != null) { 67 final boolean vibrate = (Boolean) newValue; 68 mChannel.enableVibration(vibrate); 69 saveChannel(); 70 } 71 return true; 72 } 73 } 74