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