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 22 /** View corresponding with udfps_keyguard_view.xml */ 23 class UdfpsKeyguardView( 24 context: Context, 25 attrs: AttributeSet?, 26 ) : 27 UdfpsAnimationView( 28 context, 29 attrs, 30 ) { 31 private val fingerprintDrawablePlaceHolder = UdfpsFpDrawable(context) 32 private var visible = false 33 calculateAlphanull34 override fun calculateAlpha(): Int { 35 return if (mPauseAuth) { 36 0 37 } else 255 // ViewModels handle animating alpha values 38 } 39 getDrawablenull40 override fun getDrawable(): UdfpsDrawable { 41 return fingerprintDrawablePlaceHolder 42 } 43 isVisiblenull44 fun isVisible(): Boolean { 45 return visible 46 } 47 setVisiblenull48 fun setVisible(isVisible: Boolean) { 49 visible = isVisible 50 isPauseAuth = !visible 51 } 52 } 53