1 /* 2 * Copyright (C) 2016 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.settings.users; 18 19 import android.app.admin.DevicePolicyManager; 20 import android.content.Context; 21 import android.content.pm.UserInfo; 22 import android.os.UserHandle; 23 import android.os.UserManager; 24 import android.provider.Settings; 25 26 import com.android.settings.R; 27 import com.android.settings.Utils; 28 import com.android.settingslib.RestrictedLockUtils; 29 import com.android.settingslib.RestrictedLockUtilsInternal; 30 31 public class UserCapabilities { 32 boolean mEnabled = true; 33 boolean mCanAddUser = true; 34 boolean mCanAddRestrictedProfile; 35 boolean mIsMain; 36 boolean mIsAdmin; 37 boolean mIsGuest; 38 boolean mIsEphemeral; 39 boolean mUserSwitchingUiEnabled; 40 boolean mUserSwitcherEnabled; 41 boolean mCanAddGuest; 42 boolean mDisallowAddUser; 43 boolean mDisallowAddUserSetByAdmin; 44 boolean mDisallowSwitchUser; 45 RestrictedLockUtils.EnforcedAdmin mEnforcedAdmin; 46 UserCapabilities()47 private UserCapabilities() { 48 } 49 create(Context context)50 public static UserCapabilities create(Context context) { 51 UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 52 UserCapabilities caps = new UserCapabilities(); 53 54 if (!UserManager.supportsMultipleUsers() || Utils.isMonkeyRunning()) { 55 caps.mEnabled = false; 56 return caps; 57 } 58 59 final UserInfo myUserInfo = userManager.getUserInfo(UserHandle.myUserId()); 60 caps.mIsGuest = myUserInfo.isGuest(); 61 caps.mIsAdmin = myUserInfo.isAdmin(); 62 caps.mIsMain = myUserInfo.isMain(); 63 caps.mIsEphemeral = myUserInfo.isEphemeral(); 64 DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService( 65 Context.DEVICE_POLICY_SERVICE); 66 67 boolean offerRestricted = 68 context.getResources().getBoolean(R.bool.config_offer_restricted_profiles); 69 caps.mCanAddRestrictedProfile = 70 offerRestricted && !dpm.isDeviceManaged() && userManager.isUserTypeEnabled( 71 UserManager.USER_TYPE_FULL_RESTRICTED); 72 caps.mUserSwitchingUiEnabled = context.getResources().getBoolean( 73 com.android.internal.R.bool.config_allowChangeUserSwitcherEnabled); 74 caps.updateAddUserCapabilities(context); 75 return caps; 76 } 77 updateAddUserCapabilities(Context context)78 public void updateAddUserCapabilities(Context context) { 79 final UserManager userManager = 80 (UserManager) context.getSystemService(Context.USER_SERVICE); 81 final UserInfo myUserInfo = userManager.getUserInfo(UserHandle.myUserId()); 82 mIsAdmin = myUserInfo.isAdmin(); 83 84 mEnforcedAdmin = RestrictedLockUtilsInternal.checkIfRestrictionEnforced(context, 85 UserManager.DISALLOW_ADD_USER, UserHandle.myUserId()); 86 final boolean hasBaseUserRestriction = RestrictedLockUtilsInternal.hasBaseUserRestriction( 87 context, UserManager.DISALLOW_ADD_USER, UserHandle.myUserId()); 88 mDisallowAddUserSetByAdmin = mEnforcedAdmin != null && !hasBaseUserRestriction; 89 mDisallowAddUser = (mEnforcedAdmin != null || hasBaseUserRestriction); 90 mUserSwitcherEnabled = userManager.isUserSwitcherEnabled(); 91 mCanAddUser = true; 92 if (!mIsAdmin 93 || UserManager.getMaxSupportedUsers() < 2 94 || !UserManager.supportsMultipleUsers() 95 || mDisallowAddUser 96 || (!userManager.isUserTypeEnabled(UserManager.USER_TYPE_FULL_SECONDARY) 97 && !mCanAddRestrictedProfile)) { 98 mCanAddUser = false; 99 } 100 101 final boolean canAddUsersWhenLocked = mIsAdmin || Settings.Global.getInt( 102 context.getContentResolver(), Settings.Global.ADD_USERS_WHEN_LOCKED, 0) == 1; 103 mCanAddGuest = !mIsGuest && !mDisallowAddUser && canAddUsersWhenLocked 104 && userManager.isUserTypeEnabled(UserManager.USER_TYPE_FULL_GUEST); 105 106 mDisallowSwitchUser = userManager.hasUserRestriction(UserManager.DISALLOW_USER_SWITCH); 107 } 108 isAdmin()109 public boolean isAdmin() { 110 return mIsAdmin; 111 } 112 disallowAddUser()113 public boolean disallowAddUser() { 114 return mDisallowAddUser; 115 } 116 disallowAddUserSetByAdmin()117 public boolean disallowAddUserSetByAdmin() { 118 return mDisallowAddUserSetByAdmin; 119 } 120 getEnforcedAdmin()121 public RestrictedLockUtils.EnforcedAdmin getEnforcedAdmin() { 122 return mEnforcedAdmin; 123 } 124 125 126 @Override toString()127 public String toString() { 128 return "UserCapabilities{" + 129 "mEnabled=" + mEnabled + 130 ", mCanAddUser=" + mCanAddUser + 131 ", mCanAddRestrictedProfile=" + mCanAddRestrictedProfile + 132 ", mIsAdmin=" + mIsAdmin + 133 ", mIsGuest=" + mIsGuest + 134 ", mCanAddGuest=" + mCanAddGuest + 135 ", mDisallowAddUser=" + mDisallowAddUser + 136 ", mEnforcedAdmin=" + mEnforcedAdmin + 137 ", mDisallowSwitchUser=" + mDisallowSwitchUser + 138 ", mDisallowAddUserSetByAdmin=" + mDisallowAddUserSetByAdmin + 139 ", mUserSwitchingUiEnabled=" + mUserSwitchingUiEnabled + 140 ", mUserSwitcherEnabled=" + mUserSwitcherEnabled + 141 '}'; 142 } 143 } 144