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 package com.android.settings.users; 17 18 import android.content.Context; 19 import android.os.UserHandle; 20 import android.provider.Settings; 21 22 import androidx.preference.Preference; 23 24 import com.android.internal.widget.LockPatternUtils; 25 import com.android.settings.core.TogglePreferenceController; 26 import com.android.settingslib.RestrictedSwitchPreference; 27 28 public class AddUserWhenLockedPreferenceController extends TogglePreferenceController { 29 30 private final UserCapabilities mUserCaps; 31 private final LockPatternUtils mLockPatternUtils; 32 AddUserWhenLockedPreferenceController(Context context, String key)33 public AddUserWhenLockedPreferenceController(Context context, String key) { 34 super(context, key); 35 mUserCaps = UserCapabilities.create(context); 36 mLockPatternUtils = new LockPatternUtils(context); 37 } 38 39 @Override updateState(Preference preference)40 public void updateState(Preference preference) { 41 super.updateState(preference); 42 mUserCaps.updateAddUserCapabilities(mContext); 43 final RestrictedSwitchPreference restrictedSwitchPreference = 44 (RestrictedSwitchPreference) preference; 45 if (!isAvailable()) { 46 restrictedSwitchPreference.setVisible(false); 47 } else { 48 restrictedSwitchPreference.setDisabledByAdmin( 49 mUserCaps.disallowAddUser() ? mUserCaps.getEnforcedAdmin() : null); 50 restrictedSwitchPreference.setVisible(mUserCaps.mUserSwitcherEnabled); 51 } 52 } 53 54 @Override getAvailabilityStatus()55 public int getAvailabilityStatus() { 56 if (!mUserCaps.isAdmin()) { 57 return DISABLED_FOR_USER; 58 } else if (mUserCaps.disallowAddUser() || mUserCaps.disallowAddUserSetByAdmin()) { 59 return DISABLED_FOR_USER; 60 } else if (!mLockPatternUtils.isSecure(UserHandle.myUserId())) { 61 return CONDITIONALLY_UNAVAILABLE; 62 } else { 63 return mUserCaps.mUserSwitcherEnabled ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; 64 } 65 } 66 67 @Override isChecked()68 public boolean isChecked() { 69 return Settings.Global.getInt(mContext.getContentResolver(), 70 Settings.Global.ADD_USERS_WHEN_LOCKED, 0) == 1; 71 } 72 73 @Override setChecked(boolean isChecked)74 public boolean setChecked(boolean isChecked) { 75 return Settings.Global.putInt(mContext.getContentResolver(), 76 Settings.Global.ADD_USERS_WHEN_LOCKED, isChecked ? 1 : 0); 77 } 78 } 79