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.content.Context; 20 import android.os.SystemProperties; 21 22 import androidx.annotation.VisibleForTesting; 23 import androidx.preference.Preference; 24 import androidx.preference.PreferenceScreen; 25 import androidx.preference.SwitchPreference; 26 27 import com.android.settings.core.PreferenceControllerMixin; 28 import com.android.settingslib.core.AbstractPreferenceController; 29 30 public class BootSoundPreferenceController extends AbstractPreferenceController 31 implements PreferenceControllerMixin { 32 33 // Boot Sounds needs to be a system property so it can be accessed during boot. 34 private static final String KEY_BOOT_SOUNDS = "boot_sounds"; 35 @VisibleForTesting 36 static final String PROPERTY_BOOT_SOUNDS = "persist.sys.bootanim.play_sound"; 37 BootSoundPreferenceController(Context context)38 public BootSoundPreferenceController(Context context) { 39 super(context); 40 } 41 42 @Override displayPreference(PreferenceScreen screen)43 public void displayPreference(PreferenceScreen screen) { 44 super.displayPreference(screen); 45 if (isAvailable()) { 46 SwitchPreference preference = screen.findPreference(KEY_BOOT_SOUNDS); 47 preference.setChecked(SystemProperties.getBoolean(PROPERTY_BOOT_SOUNDS, true)); 48 } 49 } 50 51 @Override handlePreferenceTreeClick(Preference preference)52 public boolean handlePreferenceTreeClick(Preference preference) { 53 if (KEY_BOOT_SOUNDS.equals(preference.getKey())) { 54 SwitchPreference switchPreference = (SwitchPreference) preference; 55 SystemProperties.set(PROPERTY_BOOT_SOUNDS, switchPreference.isChecked() ? "1" : "0"); 56 } 57 return false; 58 } 59 60 @Override getPreferenceKey()61 public String getPreferenceKey() { 62 return KEY_BOOT_SOUNDS; 63 } 64 65 @Override isAvailable()66 public boolean isAvailable() { 67 return mContext.getResources().getBoolean(com.android.settings.R.bool.has_boot_sounds); 68 } 69 70 }