1 /* 2 * Copyright (C) 2022 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.role.controller.behavior.v34; 18 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.content.res.Resources; 22 import android.os.Build; 23 import android.os.UserHandle; 24 25 import androidx.annotation.NonNull; 26 import androidx.annotation.RequiresApi; 27 28 import com.android.role.controller.model.Role; 29 import com.android.role.controller.model.RoleBehavior; 30 import com.android.role.controller.util.UserUtils; 31 32 import java.util.Objects; 33 34 /** 35 * Class for behavior of the Notes role. 36 */ 37 @RequiresApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE) 38 public class NotesRoleBehavior implements RoleBehavior { 39 40 @Override isAvailableAsUser(@onNull Role role, @NonNull UserHandle user, @NonNull Context context)41 public boolean isAvailableAsUser(@NonNull Role role, @NonNull UserHandle user, 42 @NonNull Context context) { 43 // Role should be enabled by OEMs. 44 Resources resources = getResources(context); 45 if (!resources.getBoolean(android.R.bool.config_enableDefaultNotes)) { 46 return false; 47 } 48 49 if (UserUtils.isManagedProfile(user, context)) { 50 // The role holder for work profile is separately controlled via config. 51 return resources.getBoolean(android.R.bool.config_enableDefaultNotesForWorkProfile); 52 } 53 54 return !UserUtils.isProfile(user, context); 55 } 56 57 /** 58 * Gets {@link Resources} for fetching notes role related resources. 59 * <p> 60 * When running within the system server process, this method retrieves system resource that 61 * include Runtime Resource Overlay (RRO) values. These RRO values are not accessible through 62 * the {@code context} object provided to this class during construction. 63 * 64 * @throws RuntimeException when no system package is found when this class runs in the system 65 * server process. 66 */ 67 @NonNull getResources(@onNull Context context)68 private static Resources getResources(@NonNull Context context) { 69 if (Objects.equals(context.getPackageName(), "android")) { 70 try { 71 return context.getPackageManager().getResourcesForApplication("system"); 72 } catch (PackageManager.NameNotFoundException e) { 73 throw new RuntimeException("System package not found", e); 74 } 75 } else { 76 return context.getResources(); 77 } 78 } 79 } 80