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.systemui.biometrics
18 
19 import android.content.Context
20 import android.util.AttributeSet
21 import kotlinx.coroutines.ExperimentalCoroutinesApi
22 
23 /** View corresponding with udfps_keyguard_view.xml */
24 @ExperimentalCoroutinesApi
25 class UdfpsKeyguardView(
26     context: Context,
27     attrs: AttributeSet?,
28 ) :
29     UdfpsAnimationView(
30         context,
31         attrs,
32     ) {
33     private val fingerprintDrawablePlaceHolder = UdfpsFpDrawable(context)
34     private var visible = false
35 
calculateAlphanull36     override fun calculateAlpha(): Int {
37         return if (mPauseAuth) {
38             0
39         } else 255 // ViewModels handle animating alpha values
40     }
41 
getDrawablenull42     override fun getDrawable(): UdfpsDrawable {
43         return fingerprintDrawablePlaceHolder
44     }
45 
isVisiblenull46     fun isVisible(): Boolean {
47         return visible
48     }
49 
setVisiblenull50     fun setVisible(isVisible: Boolean) {
51         visible = isVisible
52         isPauseAuth = !visible
53     }
54 }
55