1 /* 2 * Copyright (C) 2024 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.server.appfunctions; 18 19 import android.annotation.Nullable; 20 import android.app.appsearch.AppSearchManager; 21 import android.content.Context; 22 import android.content.pm.PackageManager; 23 import android.os.UserHandle; 24 import android.util.SparseArray; 25 26 import com.android.internal.annotations.GuardedBy; 27 28 /** A Singleton class that manages per-user metadata sync adapters. */ 29 public final class MetadataSyncPerUser { 30 private static final String TAG = MetadataSyncPerUser.class.getSimpleName(); 31 32 /** A map of per-user adapter for synchronizing appFunction metadata. */ 33 @GuardedBy("sLock") 34 private static final SparseArray<MetadataSyncAdapter> sPerUserMetadataSyncAdapter = 35 new SparseArray<>(); 36 37 private static final Object sLock = new Object(); 38 39 /** 40 * Returns the per-user metadata sync adapter for the given user. 41 * 42 * @param user The user for which to get the metadata sync adapter. 43 * @param userContext The user context for the given user. 44 * @return The metadata sync adapter for the given user. 45 */ 46 @Nullable getPerUserMetadataSyncAdapter( UserHandle user, Context userContext)47 public static MetadataSyncAdapter getPerUserMetadataSyncAdapter( 48 UserHandle user, Context userContext) { 49 synchronized (sLock) { 50 MetadataSyncAdapter metadataSyncAdapter = 51 sPerUserMetadataSyncAdapter.get(user.getIdentifier(), null); 52 if (metadataSyncAdapter == null) { 53 AppSearchManager perUserAppSearchManager = 54 userContext.getSystemService(AppSearchManager.class); 55 PackageManager perUserPackageManager = userContext.getPackageManager(); 56 if (perUserAppSearchManager != null) { 57 metadataSyncAdapter = 58 new MetadataSyncAdapter(perUserPackageManager, perUserAppSearchManager); 59 sPerUserMetadataSyncAdapter.put(user.getIdentifier(), metadataSyncAdapter); 60 return metadataSyncAdapter; 61 } 62 } 63 return metadataSyncAdapter; 64 } 65 } 66 67 /** 68 * Removes the per-user metadata sync adapter for the given user. 69 * 70 * @param user The user for which to remove the metadata sync adapter. 71 */ removeUserSyncAdapter(UserHandle user)72 public static void removeUserSyncAdapter(UserHandle user) { 73 synchronized (sLock) { 74 MetadataSyncAdapter metadataSyncAdapter = 75 sPerUserMetadataSyncAdapter.get(user.getIdentifier(), null); 76 if (metadataSyncAdapter != null) { 77 metadataSyncAdapter.shutDown(); 78 sPerUserMetadataSyncAdapter.remove(user.getIdentifier()); 79 } 80 } 81 } 82 } 83