1 /* 2 * Copyright (C) 2018 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.car.settings.system; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.text.BidiFormatter; 23 import android.text.SpannableString; 24 import android.text.SpannableStringBuilder; 25 import android.text.TextDirectionHeuristics; 26 import android.text.style.BulletSpan; 27 28 import androidx.annotation.StringRes; 29 import androidx.preference.Preference; 30 31 import com.android.car.settings.R; 32 import com.android.car.settings.common.FragmentController; 33 import com.android.car.settings.common.PreferenceController; 34 35 /** Controller to determine which items appear as resetable within the reset network description. */ 36 public class ResetNetworkItemsPreferenceController extends PreferenceController<Preference> { 37 ResetNetworkItemsPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)38 public ResetNetworkItemsPreferenceController(Context context, String preferenceKey, 39 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 40 super(context, preferenceKey, fragmentController, uxRestrictions); 41 } 42 43 @Override getPreferenceType()44 protected Class<Preference> getPreferenceType() { 45 return Preference.class; 46 } 47 48 @Override updateState(Preference preference)49 protected void updateState(Preference preference) { 50 SpannableStringBuilder sb = new SpannableStringBuilder(); 51 sb.append(getContext().getString(R.string.reset_network_desc)); 52 sb.append(System.lineSeparator()); 53 if (hasFeature(PackageManager.FEATURE_WIFI)) { 54 addBulletedValue(sb, R.string.reset_network_item_wifi); 55 } 56 if (hasFeature(PackageManager.FEATURE_TELEPHONY)) { 57 addBulletedValue(sb, R.string.reset_network_item_mobile); 58 } 59 if (hasFeature(PackageManager.FEATURE_BLUETOOTH)) { 60 addBulletedValue(sb, R.string.reset_network_item_bluetooth); 61 } 62 preference.setTitle(sb); 63 } 64 hasFeature(String feature)65 private boolean hasFeature(String feature) { 66 return getContext().getPackageManager().hasSystemFeature(feature); 67 } 68 addBulletedValue(SpannableStringBuilder sb, @StringRes int resId)69 private void addBulletedValue(SpannableStringBuilder sb, @StringRes int resId) { 70 sb.append(System.lineSeparator()); 71 SpannableString value = new SpannableString( 72 BidiFormatter.getInstance().unicodeWrap(getContext().getString(resId), 73 TextDirectionHeuristics.LOCALE)); 74 // Match android.content.res.StringBlock which applies a 10 gapWidth BulletSpan as the <li> 75 // style. This is a workaround for translation specific behavior in StringBlock which led 76 // to multiple indents when building the list using getText(resId). 77 value.setSpan(new BulletSpan(/* gapWidth= */ 10), /* start= */ 0, 78 value.length(), /* flags= */ 0); 79 sb.append(value); 80 } 81 } 82