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.screenlock; 18 19 import android.content.Context; 20 21 import androidx.preference.Preference; 22 import androidx.preference.TwoStatePreference; 23 24 import com.android.internal.widget.LockPatternUtils; 25 import com.android.settings.core.PreferenceControllerMixin; 26 import com.android.settingslib.core.AbstractPreferenceController; 27 28 public class PatternVisiblePreferenceController extends AbstractPreferenceController 29 implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener { 30 31 private static final String PREF_KEY = "visiblepattern"; 32 33 private final int mUserId; 34 private final LockPatternUtils mLockPatternUtils; 35 PatternVisiblePreferenceController(Context context, int userId, LockPatternUtils lockPatternUtils)36 public PatternVisiblePreferenceController(Context context, int userId, 37 LockPatternUtils lockPatternUtils) { 38 super(context); 39 mUserId = userId; 40 mLockPatternUtils = lockPatternUtils; 41 } 42 43 @Override isAvailable()44 public boolean isAvailable() { 45 return isPatternLock(); 46 } 47 48 @Override getPreferenceKey()49 public String getPreferenceKey() { 50 return PREF_KEY; 51 } 52 53 @Override updateState(Preference preference)54 public void updateState(Preference preference) { 55 ((TwoStatePreference) preference).setChecked( 56 mLockPatternUtils.isVisiblePatternEnabled(mUserId)); 57 } 58 isPatternLock()59 private boolean isPatternLock() { 60 return mLockPatternUtils.getCredentialTypeForUser(mUserId) 61 == LockPatternUtils.CREDENTIAL_TYPE_PATTERN; 62 } 63 64 @Override onPreferenceChange(Preference preference, Object newValue)65 public boolean onPreferenceChange(Preference preference, Object newValue) { 66 mLockPatternUtils.setVisiblePatternEnabled((Boolean) newValue, mUserId); 67 return true; 68 } 69 } 70