1 /*
2  * Copyright (C) 2018 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.biometrics.face;
18 
19 import android.app.Activity;
20 import android.app.settings.SettingsEnums;
21 import android.hardware.face.FaceManager;
22 import android.os.UserHandle;
23 
24 import com.android.settings.Utils;
25 import com.android.settings.biometrics.BiometricEnrollSidecar;
26 
27 import java.util.Arrays;
28 
29 /**
30  * Sidecar fragment to handle the state around face enrollment
31  */
32 public class FaceEnrollSidecar extends BiometricEnrollSidecar {
33 
34     private final int[] mDisabledFeatures;
35 
36     private FaceManager mFaceManager;
37 
FaceEnrollSidecar(int[] disabledFeatures)38     public FaceEnrollSidecar(int[] disabledFeatures) {
39         mDisabledFeatures = Arrays.copyOf(disabledFeatures, disabledFeatures.length);
40     }
41 
42     @Override
onAttach(Activity activity)43     public void onAttach(Activity activity) {
44         super.onAttach(activity);
45         mFaceManager = Utils.getFaceManagerOrNull(activity);
46     }
47 
48     @Override
startEnrollment()49     public void startEnrollment() {
50         super.startEnrollment();
51         mFaceManager.enroll(mUserId, mToken, mEnrollmentCancel,
52                 mEnrollmentCallback, mDisabledFeatures);
53     }
54 
55     private FaceManager.EnrollmentCallback mEnrollmentCallback
56             = new FaceManager.EnrollmentCallback() {
57 
58         @Override
59         public void onEnrollmentProgress(int remaining) {
60             FaceEnrollSidecar.super.onEnrollmentProgress(remaining);
61         }
62 
63         @Override
64         public void onEnrollmentHelp(int helpMsgId, CharSequence helpString) {
65             FaceEnrollSidecar.super.onEnrollmentHelp(helpMsgId, helpString);
66         }
67 
68         @Override
69         public void onEnrollmentError(int errMsgId, CharSequence errString) {
70             FaceEnrollSidecar.super.onEnrollmentError(errMsgId, errString);
71         }
72     };
73 
74     @Override
getMetricsCategory()75     public int getMetricsCategory() {
76         return SettingsEnums.FACE_ENROLL_SIDECAR;
77     }
78 }
79