1 /* 2 * Copyright (C) 2019 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 android.permission; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.annotation.UserIdInt; 22 import android.os.UserHandle; 23 24 /** 25 * Internal interfaces to be used by other components within the system server. 26 * 27 * <p>Only for use within the system server. 28 * 29 * @hide 30 */ 31 public abstract class PermissionManagerInternal { 32 33 /** 34 * Listener for package permission state (permissions or flags) changes. 35 */ 36 public interface OnRuntimePermissionStateChangedListener { 37 38 /** 39 * Called when the runtime permission state (permissions or flags) changed. 40 * 41 * @param packageName The package for which the change happened. 42 * @param userId the user id for which the change happened. 43 */ 44 @Nullable 45 void onRuntimePermissionStateChanged(@NonNull String packageName, 46 @UserIdInt int userId); 47 } 48 49 /** 50 * Get the state of the runtime permissions as xml file. 51 * 52 * @param user The user the data should be extracted for 53 * 54 * @return The state as a xml file 55 */ 56 public abstract @Nullable byte[] backupRuntimePermissions(@NonNull UserHandle user); 57 58 /** 59 * Restore a permission state previously backed up via {@link #backupRuntimePermissions}. 60 * 61 * <p>If not all state can be restored, the un-restoreable state will be delayed and can be 62 * re-tried via {@link #restoreDelayedRuntimePermissions}. 63 * 64 * @param backup The state as an xml file 65 * @param user The user the data should be restored for 66 */ 67 public abstract void restoreRuntimePermissions(@NonNull byte[] backup, 68 @NonNull UserHandle user); 69 70 /** 71 * Try to apply permission backup of a package that was previously not applied. 72 * 73 * @param packageName The package that is newly installed 74 * @param user The user the package is installed for 75 * 76 * @see #restoreRuntimePermissions 77 */ 78 public abstract void restoreDelayedRuntimePermissions(@NonNull String packageName, 79 @NonNull UserHandle user); 80 81 /** 82 * Adds a listener for runtime permission state (permissions or flags) changes. 83 * 84 * @param listener The listener. 85 */ 86 public abstract void addOnRuntimePermissionStateChangedListener( 87 @NonNull OnRuntimePermissionStateChangedListener listener); 88 89 /** 90 * Removes a listener for runtime permission state (permissions or flags) changes. 91 * 92 * @param listener The listener. 93 */ 94 public abstract void removeOnRuntimePermissionStateChangedListener( 95 @NonNull OnRuntimePermissionStateChangedListener listener); 96 } 97
