1 /* <lambda>null2 * Copyright (C) 2025 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.keyguard.ui.viewmodel 18 19 import com.android.systemui.dagger.SysUISingleton 20 import com.android.systemui.deviceentry.domain.interactor.DeviceEntryUdfpsInteractor 21 import com.android.systemui.keyguard.domain.interactor.FromGlanceableHubTransitionInteractor 22 import com.android.systemui.keyguard.shared.model.Edge 23 import com.android.systemui.keyguard.shared.model.KeyguardState 24 import com.android.systemui.keyguard.shared.model.KeyguardState.AOD 25 import com.android.systemui.keyguard.ui.KeyguardTransitionAnimationFlow 26 import com.android.systemui.keyguard.ui.transitions.DeviceEntryIconTransition 27 import com.android.systemui.scene.shared.model.Scenes 28 import javax.inject.Inject 29 import kotlin.time.Duration.Companion.milliseconds 30 import kotlinx.coroutines.ExperimentalCoroutinesApi 31 import kotlinx.coroutines.flow.Flow 32 import kotlinx.coroutines.flow.emptyFlow 33 import kotlinx.coroutines.flow.flatMapLatest 34 35 @OptIn(ExperimentalCoroutinesApi::class) 36 @SysUISingleton 37 class GlanceableHubToAodTransitionViewModel 38 @Inject 39 constructor( 40 deviceEntryUdfpsInteractor: DeviceEntryUdfpsInteractor, 41 animationFlow: KeyguardTransitionAnimationFlow, 42 ) : DeviceEntryIconTransition { 43 44 private val transitionAnimation = 45 animationFlow 46 .setup( 47 duration = FromGlanceableHubTransitionInteractor.TO_AOD_DURATION, 48 edge = Edge.create(from = Scenes.Communal, to = AOD), 49 ) 50 .setupWithoutSceneContainer(edge = Edge.create(KeyguardState.GLANCEABLE_HUB, AOD)) 51 52 val deviceEntryBackgroundViewAlpha: Flow<Float> = 53 transitionAnimation.immediatelyTransitionTo(0f) 54 55 /** Lockscreen views alpha */ 56 val lockscreenAlpha: Flow<Float> = 57 transitionAnimation.sharedFlow( 58 startTime = 233.milliseconds, 59 duration = 250.milliseconds, 60 onStep = { it }, 61 ) 62 63 override val deviceEntryParentViewAlpha: Flow<Float> = 64 deviceEntryUdfpsInteractor.isUdfpsEnrolledAndEnabled.flatMapLatest { udfpsEnrolledAndEnabled 65 -> 66 if (udfpsEnrolledAndEnabled) { 67 transitionAnimation.immediatelyTransitionTo(1f) 68 } else { 69 emptyFlow() 70 } 71 } 72 } 73