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.server.biometrics.sensors.fingerprint;
18 
19 import android.hardware.biometrics.fingerprint.PointerContext;
20 import android.hardware.fingerprint.FingerprintManager;
21 
22 import com.android.server.biometrics.sensors.BaseClientMonitor;
23 
24 /**
25  * Interface for under-display fingerprint sensors.
26  * {@link BaseClientMonitor} subclass that require knowledge of
27  * finger position (e.g. enroll, authenticate) should implement this.
28  */
29 public interface Udfps {
onPointerDown(PointerContext pc)30     void onPointerDown(PointerContext pc);
onPointerUp(PointerContext pc)31     void onPointerUp(PointerContext pc);
onUdfpsUiEvent(@ingerprintManager.UdfpsUiEvent int event)32     void onUdfpsUiEvent(@FingerprintManager.UdfpsUiEvent int event);
isPointerDown()33     boolean isPointerDown();
34 }
35