1 /*
2  * Copyright (C) 2020 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.systemui.biometrics;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.content.Context;
22 import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
23 import android.util.AttributeSet;
24 
25 /**
26  * Manages the layout for under-display fingerprint sensors (UDFPS). Ensures that UI elements
27  * do not overlap with
28  */
29 public class AuthBiometricUdfpsView extends AuthBiometricFingerprintView {
30     @Nullable private UdfpsDialogMeasureAdapter mMeasureAdapter;
31 
AuthBiometricUdfpsView(Context context)32     public AuthBiometricUdfpsView(Context context) {
33         this(context, null /* attrs */);
34     }
35 
AuthBiometricUdfpsView(Context context, AttributeSet attrs)36     public AuthBiometricUdfpsView(Context context, AttributeSet attrs) {
37         super(context, attrs);
38     }
39 
setSensorProps(@onNull FingerprintSensorPropertiesInternal sensorProps)40     void setSensorProps(@NonNull FingerprintSensorPropertiesInternal sensorProps) {
41         if (mMeasureAdapter == null || mMeasureAdapter.getSensorProps() != sensorProps) {
42             mMeasureAdapter = new UdfpsDialogMeasureAdapter(this, sensorProps);
43         }
44     }
45 
46     @Override
47     @NonNull
onMeasureInternal(int width, int height)48     AuthDialog.LayoutParams onMeasureInternal(int width, int height) {
49         final AuthDialog.LayoutParams layoutParams = super.onMeasureInternal(width, height);
50         return mMeasureAdapter != null
51                 ? mMeasureAdapter.onMeasureInternal(width, height, layoutParams)
52                 : layoutParams;
53     }
54 }
55