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.support.v7.preference.Preference; 21 import android.text.TextUtils; 22 23 import com.android.settings.core.PreferenceControllerMixin; 24 25 public class DescriptionPreferenceController extends NotificationPreferenceController 26 implements PreferenceControllerMixin { 27 28 private static final String KEY_DESC = "desc"; 29 DescriptionPreferenceController(Context context)30 public DescriptionPreferenceController(Context context) { 31 super(context, null); 32 } 33 34 @Override getPreferenceKey()35 public String getPreferenceKey() { 36 return KEY_DESC; 37 } 38 39 @Override isAvailable()40 public boolean isAvailable() { 41 if (!super.isAvailable()) { 42 return false; 43 } 44 if (mChannel == null && !hasValidGroup()) { 45 return false; 46 } 47 if (mChannel != null && !TextUtils.isEmpty(mChannel.getDescription())) { 48 return true; 49 } 50 if (hasValidGroup() && !TextUtils.isEmpty(mChannelGroup.getDescription())) { 51 return true; 52 } 53 return false; 54 } 55 updateState(Preference preference)56 public void updateState(Preference preference) { 57 if (mAppRow != null) { 58 if (mChannel != null) { 59 preference.setTitle(mChannel.getDescription()); 60 } else if (hasValidGroup()) { 61 preference.setTitle(mChannelGroup.getDescription()); 62 } 63 } 64 preference.setEnabled(false); 65 preference.setSelectable(false); 66 } 67 } 68