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.biometrics2.ui.viewmodel;
18 
19 import android.content.res.Configuration;
20 import android.util.Log;
21 
22 import androidx.annotation.NonNull;
23 import androidx.lifecycle.LiveData;
24 import androidx.lifecycle.MutableLiveData;
25 import androidx.lifecycle.ViewModel;
26 
27 import com.android.systemui.unfold.compat.ScreenSizeFoldProvider;
28 import com.android.systemui.unfold.updates.FoldProvider;
29 
30 import java.util.concurrent.Executor;
31 
32 /**
33  * ViewModel explaining the fingerprint sensor location for fingerprint enrollment.
34  */
35 public class DeviceFoldedViewModel extends ViewModel {
36 
37     private static final String TAG = "DeviceFoldedViewModel";
38 
39     @NonNull private final MutableLiveData<Boolean> mLiveData =
40             new MutableLiveData<>(null);
41 
42     private final ScreenSizeFoldProvider mScreenSizeFoldProvider;
43     private final FoldProvider.FoldCallback mIsFoldedCallback = isFolded -> {
44         Log.d(TAG, "onFoldUpdated= " + isFolded);
45         mLiveData.postValue(isFolded);
46     };
47 
DeviceFoldedViewModel(@onNull ScreenSizeFoldProvider screenSizeFoldProvider, @NonNull Executor executor)48     public DeviceFoldedViewModel(@NonNull ScreenSizeFoldProvider screenSizeFoldProvider,
49             @NonNull Executor executor) {
50         super();
51         mScreenSizeFoldProvider = screenSizeFoldProvider;
52         mScreenSizeFoldProvider.registerCallback(mIsFoldedCallback, executor);
53     }
54 
55     /**
56      * Calls this method when activity gets configuration change
57      */
onConfigurationChanged(@onNull Configuration newConfig)58     public void onConfigurationChanged(@NonNull Configuration newConfig) {
59         mScreenSizeFoldProvider.onConfigurationChange(newConfig);
60     }
61 
62     /**
63      * Returns FoldedLiveData
64      */
getLiveData()65     public LiveData<Boolean> getLiveData() {
66         return mLiveData;
67     }
68 
69     @Override
onCleared()70     protected void onCleared() {
71         mScreenSizeFoldProvider.unregisterCallback(mIsFoldedCallback);
72         super.onCleared();
73     }
74 }
75