1 /*
2  * Copyright (C) 2021 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.car.settings.datausage;
18 
19 import android.car.drivingstate.CarUxRestrictions;
20 import android.content.Context;
21 
22 import androidx.annotation.CallSuper;
23 import androidx.preference.Preference;
24 
25 import com.android.car.settings.R;
26 import com.android.car.settings.common.FragmentController;
27 import com.android.car.settings.common.PreferenceController;
28 
29 /**
30  * Controller to update total data usage for all the apps.
31  */
32 public class AppDataUsageTotalPreferenceController extends PreferenceController<Preference> {
33 
34     private static final String STRING_FORMAT = "%s: %s";
35 
36     private String mFieldName;
37     private String mDataUsage;
38 
AppDataUsageTotalPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)39     public AppDataUsageTotalPreferenceController(Context context, String preferenceKey,
40             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
41         super(context, preferenceKey, fragmentController, uxRestrictions);
42         mFieldName = context.getString(R.string.data_usage_all_apps_title);
43     }
44 
45     @Override
getPreferenceType()46     protected Class<Preference> getPreferenceType() {
47         return Preference.class;
48     }
49 
50     @Override
51     @CallSuper
updateState(Preference preference)52     protected void updateState(Preference preference) {
53         getPreference().setTitle(getTitle());
54     }
55 
getTitle()56     private String getTitle() {
57         return String.format(STRING_FORMAT, mFieldName, mDataUsage);
58     }
59 
60     /** Set data usage in bytes */
setDataUsage(long usage)61     public void setDataUsage(long usage) {
62         mDataUsage = DataUsageUtils.bytesToIecUnits(getContext(), usage).toString();
63     }
64 }
65