1 /*
2  * Copyright (C) 2020 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.tv.settings.widget;
18 
19 import android.app.Application;
20 import android.util.ArrayMap;
21 
22 import androidx.annotation.NonNull;
23 import androidx.lifecycle.AndroidViewModel;
24 
25 import java.util.Map;
26 
27 public class SettingsViewModel extends AndroidViewModel {
28     private final Map<String, PreferenceContentProviderLiveData> mPreferenceVisibilityLiveDataMap =
29             new ArrayMap<>();
30 
SettingsViewModel(@onNull Application application)31     public SettingsViewModel(@NonNull Application application) {
32         super(application);
33     }
34 
getVisibilityLiveData(String compoundKey)35     public PreferenceContentProviderLiveData getVisibilityLiveData(String compoundKey) {
36         if (!mPreferenceVisibilityLiveDataMap.containsKey(compoundKey)) {
37             init(compoundKey);
38         }
39         return mPreferenceVisibilityLiveDataMap.get(compoundKey);
40     }
41 
init(String compoundKey)42     public void init(String compoundKey) {
43         mPreferenceVisibilityLiveDataMap.put(compoundKey,
44                 new PreferenceContentProviderLiveData(compoundKey, getApplication()));
45     }
46 }
47