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 import android.text.TextUtils;
22 
23 import androidx.annotation.CallSuper;
24 import androidx.preference.Preference;
25 
26 import com.android.car.settings.R;
27 import com.android.car.settings.common.FragmentController;
28 import com.android.car.settings.network.NetworkBasePreferenceController;
29 import com.android.settingslib.net.DataUsageController;
30 
31 /**
32  * Controller updating data warning summary.
33  */
34 public class DataWarningAndLimitPreferenceController extends
35         NetworkBasePreferenceController<Preference> {
36 
37     private DataUsageController mDataUsageController;
38 
DataWarningAndLimitPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)39     public DataWarningAndLimitPreferenceController(Context context, String preferenceKey,
40             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
41         super(context, preferenceKey, fragmentController, uxRestrictions);
42         mDataUsageController = new DataUsageController(context);
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().setSummary(getLimitText());
54     }
55 
getLimitText()56     private CharSequence getLimitText() {
57         DataUsageController.DataUsageInfo info = mDataUsageController.getDataUsageInfo(
58                 getNetworkTemplate());
59         if (info.warningLevel > 0 && info.limitLevel > 0) {
60             return TextUtils.expandTemplate(
61                     getContext().getText(R.string.cell_data_warning_and_limit),
62                     DataUsageUtils.bytesToIecUnits(getContext(), info.warningLevel),
63                     DataUsageUtils.bytesToIecUnits(getContext(), info.limitLevel));
64         } else if (info.warningLevel > 0) {
65             return TextUtils.expandTemplate(getContext().getText(R.string.cell_data_warning),
66                     DataUsageUtils.bytesToIecUnits(getContext(), info.warningLevel));
67         } else if (info.limitLevel > 0) {
68             return TextUtils.expandTemplate(getContext().getText(R.string.cell_data_limit),
69                     DataUsageUtils.bytesToIecUnits(getContext(), info.limitLevel));
70         }
71 
72         return null;
73     }
74 }
75