1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 package com.android.settings.display; 15 16 import static android.provider.Settings.Secure.ADAPTIVE_SLEEP; 17 18 import android.Manifest; 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageManager; 22 import android.content.pm.ResolveInfo; 23 import android.provider.Settings; 24 import android.service.attention.AttentionService; 25 import android.text.TextUtils; 26 27 import com.android.settings.R; 28 import com.android.settings.core.TogglePreferenceController; 29 30 31 public class AdaptiveSleepPreferenceController extends TogglePreferenceController { 32 public static final String PREF_NAME = "adaptive_sleep"; 33 private static final String SYSTEM_KEY = ADAPTIVE_SLEEP; 34 private static final int DEFAULT_VALUE = 0; 35 AdaptiveSleepPreferenceController(Context context, String key)36 public AdaptiveSleepPreferenceController(Context context, String key) { 37 super(context, key); 38 } 39 40 @Override isChecked()41 public boolean isChecked() { 42 return hasSufficientPermission(mContext.getPackageManager()) && Settings.Secure.getInt( 43 mContext.getContentResolver(), SYSTEM_KEY, DEFAULT_VALUE) != DEFAULT_VALUE; 44 } 45 46 @Override setChecked(boolean isChecked)47 public boolean setChecked(boolean isChecked) { 48 Settings.Secure.putInt(mContext.getContentResolver(), SYSTEM_KEY, 49 isChecked ? 1 : DEFAULT_VALUE); 50 return true; 51 } 52 53 @Override 54 @AvailabilityStatus getAvailabilityStatus()55 public int getAvailabilityStatus() { 56 return isControllerAvailable(mContext); 57 } 58 59 @Override getSummary()60 public CharSequence getSummary() { 61 return mContext.getText(isChecked() 62 ? R.string.adaptive_sleep_summary_on 63 : R.string.adaptive_sleep_summary_off); 64 } 65 isControllerAvailable(Context context)66 public static int isControllerAvailable(Context context) { 67 return context.getResources().getBoolean( 68 com.android.internal.R.bool.config_adaptive_sleep_available) 69 && isAttentionServiceAvailable(context) 70 ? AVAILABLE_UNSEARCHABLE 71 : UNSUPPORTED_ON_DEVICE; 72 } 73 isAttentionServiceAvailable(Context context)74 private static boolean isAttentionServiceAvailable(Context context) { 75 final PackageManager packageManager = context.getPackageManager(); 76 final String resolvePackage = packageManager.getAttentionServicePackageName(); 77 if (TextUtils.isEmpty(resolvePackage)) { 78 return false; 79 } 80 final Intent intent = new Intent(AttentionService.SERVICE_INTERFACE).setPackage( 81 resolvePackage); 82 final ResolveInfo resolveInfo = packageManager.resolveService(intent, 83 PackageManager.MATCH_SYSTEM_ONLY); 84 return resolveInfo != null && resolveInfo.serviceInfo != null; 85 } 86 hasSufficientPermission(PackageManager packageManager)87 static boolean hasSufficientPermission(PackageManager packageManager) { 88 final String attentionPackage = packageManager.getAttentionServicePackageName(); 89 return attentionPackage != null && packageManager.checkPermission( 90 Manifest.permission.CAMERA, attentionPackage) == PackageManager.PERMISSION_GRANTED; 91 } 92 } 93