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