1 /* 2 * Copyright (C) 2017 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.security; 18 19 import android.content.Context; 20 import android.os.UserManager; 21 import android.text.TextUtils; 22 23 import androidx.preference.Preference; 24 25 import com.android.internal.widget.LockPatternUtils; 26 import com.android.settings.R; 27 import com.android.settings.core.BasePreferenceController; 28 29 public class EncryptionStatusPreferenceController extends BasePreferenceController { 30 31 32 static final String PREF_KEY_ENCRYPTION_DETAIL_PAGE = 33 "encryption_and_credentials_encryption_status"; 34 static final String PREF_KEY_ENCRYPTION_SECURITY_PAGE = "encryption_and_credential"; 35 36 private final UserManager mUserManager; 37 EncryptionStatusPreferenceController(Context context, String key)38 public EncryptionStatusPreferenceController(Context context, String key) { 39 super(context, key); 40 mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 41 } 42 43 @Override getAvailabilityStatus()44 public int getAvailabilityStatus() { 45 if (TextUtils.equals(getPreferenceKey(), PREF_KEY_ENCRYPTION_DETAIL_PAGE) && 46 !mContext.getResources().getBoolean( 47 R.bool.config_show_encryption_and_credentials_encryption_status)) { 48 return UNSUPPORTED_ON_DEVICE; 49 } 50 51 return mUserManager.isAdminUser() ? AVAILABLE : DISABLED_FOR_USER; 52 } 53 54 @Override updateState(Preference preference)55 public void updateState(Preference preference) { 56 final boolean encryptionEnabled = LockPatternUtils.isDeviceEncryptionEnabled(); 57 if (encryptionEnabled) { 58 if (TextUtils.equals(getPreferenceKey(), PREF_KEY_ENCRYPTION_DETAIL_PAGE)) { 59 preference.setFragment(null); 60 } 61 preference.setSummary(R.string.crypt_keeper_encrypted_summary); 62 } else { 63 if (TextUtils.equals(getPreferenceKey(), PREF_KEY_ENCRYPTION_DETAIL_PAGE)) { 64 preference.setFragment(CryptKeeperSettings.class.getName()); 65 } 66 preference.setSummary(R.string.decryption_settings_summary); 67 } 68 69 } 70 } 71