1 /* <lambda>null2 * Copyright (C) 2024 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.Flags 20 import com.android.systemui.dagger.SysUISingleton 21 import com.android.systemui.keyguard.domain.interactor.FromDozingTransitionInteractor.Companion.TO_PRIMARY_BOUNCER_DURATION 22 import com.android.systemui.keyguard.shared.model.Edge 23 import com.android.systemui.keyguard.shared.model.KeyguardState.DOZING 24 import com.android.systemui.keyguard.shared.model.KeyguardState.PRIMARY_BOUNCER 25 import com.android.systemui.keyguard.ui.KeyguardTransitionAnimationFlow 26 import com.android.systemui.keyguard.ui.transitions.BlurConfig 27 import com.android.systemui.keyguard.ui.transitions.DeviceEntryIconTransition 28 import com.android.systemui.keyguard.ui.transitions.PrimaryBouncerTransition 29 import com.android.systemui.scene.shared.model.Overlays 30 import javax.inject.Inject 31 import kotlinx.coroutines.flow.Flow 32 import kotlinx.coroutines.flow.emptyFlow 33 34 /** 35 * Breaks down DOZING->PRIMARY BOUNCER transition into discrete steps for corresponding views to 36 * consume. 37 */ 38 @SysUISingleton 39 class DozingToPrimaryBouncerTransitionViewModel 40 @Inject 41 constructor(private val blurConfig: BlurConfig, animationFlow: KeyguardTransitionAnimationFlow) : 42 DeviceEntryIconTransition, PrimaryBouncerTransition { 43 44 private val transitionAnimation = 45 animationFlow 46 .setup( 47 duration = TO_PRIMARY_BOUNCER_DURATION, 48 edge = Edge.create(from = DOZING, to = Overlays.Bouncer), 49 ) 50 .setupWithoutSceneContainer(edge = Edge.create(from = DOZING, to = PRIMARY_BOUNCER)) 51 52 override val deviceEntryParentViewAlpha: Flow<Float> = 53 transitionAnimation.immediatelyTransitionTo(0f) 54 55 override val windowBlurRadius: Flow<Float> = 56 transitionAnimation.sharedFlow( 57 TO_PRIMARY_BOUNCER_DURATION, 58 onStep = { step -> 59 transitionProgressToBlurRadius( 60 starBlurRadius = blurConfig.minBlurRadiusPx, 61 endBlurRadius = blurConfig.maxBlurRadiusPx, 62 transitionProgress = step, 63 ) 64 }, 65 onFinish = { blurConfig.maxBlurRadiusPx }, 66 ) 67 68 val lockscreenAlpha: Flow<Float> = 69 if (Flags.bouncerUiRevamp()) transitionAnimation.immediatelyTransitionTo(0.0f) 70 else emptyFlow() 71 72 val notificationAlpha: Flow<Float> = lockscreenAlpha 73 74 override val notificationBlurRadius: Flow<Float> = 75 transitionAnimation.immediatelyTransitionTo(0f) 76 } 77