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 com.android.car.settings.common.FragmentController;
23 import com.android.car.settings.common.PreferenceController;
24 
25 /** Business logic for changing the data warning value. */
26 public class DataUsageEditTextPreferenceController extends
27         PreferenceController<DataUsageEditTextPreference> {
28 
29     private String mDefaultText;
30 
DataUsageEditTextPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)31     public DataUsageEditTextPreferenceController(Context context, String preferenceKey,
32             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
33         super(context, preferenceKey, fragmentController, uxRestrictions);
34     }
35 
36     @Override
getPreferenceType()37     protected Class<DataUsageEditTextPreference> getPreferenceType() {
38         return DataUsageEditTextPreference.class;
39     }
40 
41     /** Sets the default text of the edit text */
setDefaultText(String text)42     public void setDefaultText(String text) {
43         mDefaultText = text;
44     }
45 
46     @Override
checkInitialized()47     protected void checkInitialized() {
48         if (mDefaultText == null) {
49             throw new IllegalStateException(
50                     "Default text should be set before calling this function");
51         }
52     }
53 
54     @Override
onCreateInternal()55     protected void onCreateInternal() {
56         super.onCreateInternal();
57 
58         getPreference().setText(mDefaultText);
59     }
60 
61     /** Returns the current text of the edit text */
getText()62     public String getText() {
63         return getPreference().getText();
64     }
65 }
66