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.graphics.drawable.Drawable;
22 
23 import com.android.car.settings.common.EntityHeaderPreference;
24 import com.android.car.settings.common.FragmentController;
25 import com.android.car.settings.common.PreferenceController;
26 
27 /**
28  * Controller used to update the title and the icon for the header.
29  */
30 public class AppSpecificDataUsageHeaderPreferenceController extends
31         PreferenceController<EntityHeaderPreference> {
32 
33     private String mTitle;
34     private Drawable mIcon;
35 
AppSpecificDataUsageHeaderPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)36     public AppSpecificDataUsageHeaderPreferenceController(Context context, String preferenceKey,
37             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
38         super(context, preferenceKey, fragmentController, uxRestrictions);
39     }
40 
41     @Override
getPreferenceType()42     protected Class<EntityHeaderPreference> getPreferenceType() {
43         return EntityHeaderPreference.class;
44     }
45 
46     /** Sets the title. */
setTitle(String title)47     public AppSpecificDataUsageHeaderPreferenceController setTitle(String title) {
48         mTitle = title;
49         return this;
50     }
51 
52     /** Sets the icon. */
setIcon(Drawable icon)53     public AppSpecificDataUsageHeaderPreferenceController setIcon(Drawable icon) {
54         mIcon = icon;
55         return this;
56     }
57 
58     @Override
checkInitialized()59     protected void checkInitialized() {
60         if (mTitle == null || mIcon == null) {
61             throw new IllegalStateException(
62                     "Title and Icon should be set before calling this function");
63         }
64     }
65 
66     @Override
updateState(EntityHeaderPreference preference)67     protected void updateState(EntityHeaderPreference preference) {
68         preference.setTitle(mTitle);
69         preference.setIcon(mIcon);
70     }
71 }
72