1 /* 2 * Copyright (C) 2011 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.pm; 18 19 import android.util.ArraySet; 20 21 /** 22 * Settings data for a particular shared user ID we know about. 23 */ 24 final class SharedUserSetting extends SettingBase { 25 final String name; 26 27 int userId; 28 29 // flags that are associated with this uid, regardless of any package flags 30 int uidFlags; 31 int uidPrivateFlags; 32 33 final ArraySet<PackageSetting> packages = new ArraySet<PackageSetting>(); 34 35 final PackageSignatures signatures = new PackageSignatures(); 36 37 SharedUserSetting(String _name, int _pkgFlags, int _pkgPrivateFlags) { 38 super(_pkgFlags, _pkgPrivateFlags); 39 uidFlags = _pkgFlags; 40 uidPrivateFlags = _pkgPrivateFlags; 41 name = _name; 42 } 43 44 @Override 45 public String toString() { 46 return "SharedUserSetting{" + Integer.toHexString(System.identityHashCode(this)) + " " 47 + name + "/" + userId + "}"; 48 } 49 50 void removePackage(PackageSetting packageSetting) { 51 if (packages.remove(packageSetting)) { 52 // recalculate the pkgFlags for this shared user if needed 53 if ((this.pkgFlags & packageSetting.pkgFlags) != 0) { 54 int aggregatedFlags = uidFlags; 55 for (PackageSetting ps : packages) { 56 aggregatedFlags |= ps.pkgFlags; 57 } 58 setFlags(aggregatedFlags); 59 } 60 if ((this.pkgPrivateFlags & packageSetting.pkgPrivateFlags) != 0) { 61 int aggregatedPrivateFlags = uidPrivateFlags; 62 for (PackageSetting ps : packages) { 63 aggregatedPrivateFlags |= ps.pkgPrivateFlags; 64 } 65 setPrivateFlags(aggregatedPrivateFlags); 66 } 67 } 68 } 69 70 void addPackage(PackageSetting packageSetting) { 71 if (packages.add(packageSetting)) { 72 setFlags(this.pkgFlags | packageSetting.pkgFlags); 73 setPrivateFlags(this.pkgPrivateFlags | packageSetting.pkgPrivateFlags); 74 } 75 } 76 } 77