1 /* 2 * Copyright (C) 2021 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.devicepolicy; 18 19 import android.app.admin.DeviceAdminInfo; 20 import android.content.ComponentName; 21 22 import com.android.internal.util.JournaledFile; 23 24 import java.util.function.Function; 25 26 /** 27 * An interface for providing the {@code PolicyVersionUpgrader} with all the data necessary 28 * to go through the upgrade process. 29 */ 30 public interface PolicyUpgraderDataProvider { 31 /** 32 * Returns true if the storage manager indicates file-based encryption is enabled. 33 */ storageManagerIsFileBasedEncryptionEnabled()34 boolean storageManagerIsFileBasedEncryptionEnabled(); 35 36 /** 37 * Returns the journaled policies file for a given user. 38 */ makeDevicePoliciesJournaledFile(int userId)39 JournaledFile makeDevicePoliciesJournaledFile(int userId); 40 41 /** 42 * Returns the journaled policy version file for a given user. 43 */ makePoliciesVersionJournaledFile(int userId)44 JournaledFile makePoliciesVersionJournaledFile(int userId); 45 46 /** 47 * Returns a function which provides the component name and device admin info for a given 48 * user. 49 */ getAdminInfoSupplier(int userId)50 Function<ComponentName, DeviceAdminInfo> getAdminInfoSupplier(int userId); 51 52 /** 53 * Returns the users to upgrade. 54 */ getUsersForUpgrade()55 int[] getUsersForUpgrade(); 56 } 57