1 /**
2  * Copyright (C) 2023 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.regionalpreferences;
18 
19 import android.content.Context;
20 import android.util.Log;
21 
22 import androidx.preference.PreferenceCategory;
23 import androidx.preference.PreferenceScreen;
24 
25 import com.android.settings.widget.PreferenceCategoryController;
26 
27 /** Category preference controller for temperature preferences. */
28 public class TemperatureUnitCategoryController extends PreferenceCategoryController {
29 
30     private static final String LOG_TAG = "TemperatureUnitCategoryController";
31     private static final String KEY_PREFERENCE_CATEGORY_TEMPERATURE_UNIT =
32             "temperature_unit_category";
33     private static final String KEY_PREFERENCE_TEMPERATURE_UNIT = "temperature_unit_list";
34 
35     private PreferenceCategory mPreferenceCategory;
36     private TemperatureUnitListController mTemperatureUnitListController;
37 
TemperatureUnitCategoryController(Context context, String key)38     public TemperatureUnitCategoryController(Context context, String key) {
39         super(context, key);
40     }
41 
42     @Override
getAvailabilityStatus()43     public int getAvailabilityStatus() {
44         return AVAILABLE;
45     }
46 
47     @Override
displayPreference(PreferenceScreen screen)48     public void displayPreference(PreferenceScreen screen) {
49         super.displayPreference(screen);
50         mPreferenceCategory = screen.findPreference(KEY_PREFERENCE_CATEGORY_TEMPERATURE_UNIT);
51         if (mPreferenceCategory == null) {
52             Log.d(LOG_TAG, "displayPreference(), Can not find the category.");
53             return;
54         }
55         mPreferenceCategory.setVisible(isAvailable());
56         mTemperatureUnitListController = new TemperatureUnitListController(mContext,
57                 KEY_PREFERENCE_TEMPERATURE_UNIT);
58         mTemperatureUnitListController.displayPreference(screen);
59     }
60 }
61