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.notification; 18 19 import android.content.Context; 20 import android.text.TextUtils; 21 22 import androidx.preference.Preference; 23 24 import com.android.settings.core.PreferenceControllerMixin; 25 26 public class DescriptionPreferenceController extends NotificationPreferenceController 27 implements PreferenceControllerMixin { 28 29 private static final String KEY_DESC = "desc"; 30 DescriptionPreferenceController(Context context)31 public DescriptionPreferenceController(Context context) { 32 super(context, null); 33 } 34 35 @Override getPreferenceKey()36 public String getPreferenceKey() { 37 return KEY_DESC; 38 } 39 40 @Override isAvailable()41 public boolean isAvailable() { 42 if (!super.isAvailable()) { 43 return false; 44 } 45 if (mChannel == null && !hasValidGroup()) { 46 return false; 47 } 48 if (mChannel != null && !TextUtils.isEmpty(mChannel.getDescription())) { 49 return true; 50 } 51 if (hasValidGroup() && !TextUtils.isEmpty(mChannelGroup.getDescription())) { 52 return true; 53 } 54 return false; 55 } 56 updateState(Preference preference)57 public void updateState(Preference preference) { 58 if (mAppRow != null) { 59 if (mChannel != null) { 60 preference.setTitle(mChannel.getDescription()); 61 } else if (hasValidGroup()) { 62 preference.setTitle(mChannelGroup.getDescription()); 63 } 64 } 65 preference.setEnabled(false); 66 preference.setSelectable(false); 67 } 68 } 69