1 /* 2 * 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.FromOccludedTransitionInteractor 22 import com.android.systemui.keyguard.shared.model.Edge 23 import com.android.systemui.keyguard.shared.model.KeyguardState.OCCLUDED 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.PrimaryBouncerTransition 28 import javax.inject.Inject 29 import kotlinx.coroutines.flow.Flow 30 import kotlinx.coroutines.flow.emptyFlow 31 32 @SysUISingleton 33 class OccludedToPrimaryBouncerTransitionViewModel 34 @Inject 35 constructor( 36 shadeDependentFlows: ShadeDependentFlows, 37 blurConfig: BlurConfig, 38 animationFlow: KeyguardTransitionAnimationFlow, 39 ) : PrimaryBouncerTransition { 40 private val transitionAnimation = 41 animationFlow 42 .setup( 43 duration = FromOccludedTransitionInteractor.TO_PRIMARY_BOUNCER_DURATION, 44 edge = Edge.INVALID, 45 ) 46 .setupWithoutSceneContainer(edge = Edge.create(OCCLUDED, PRIMARY_BOUNCER)) 47 48 /** 49 * Reasserts that lockscreen content should not be visible. It is possible the keyguard alpha is 50 * set to 1f if coming from an expanded shade that collapsed to launch an occluding activity. 51 */ 52 val lockscreenAlpha: Flow<Float> = transitionAnimation.immediatelyTransitionTo(0f) 53 54 override val windowBlurRadius: Flow<Float> = 55 shadeDependentFlows.transitionFlow( 56 flowWhenShadeIsExpanded = 57 if (Flags.notificationShadeBlur()) { 58 transitionAnimation.immediatelyTransitionTo(blurConfig.maxBlurRadiusPx) 59 } else { 60 transitionAnimation.immediatelyTransitionTo(blurConfig.minBlurRadiusPx) 61 }, 62 flowWhenShadeIsNotExpanded = 63 transitionAnimation.immediatelyTransitionTo(blurConfig.maxBlurRadiusPx), 64 ) 65 66 override val notificationBlurRadius: Flow<Float> = 67 shadeDependentFlows.transitionFlow( 68 flowWhenShadeIsExpanded = 69 transitionAnimation.immediatelyTransitionTo(blurConfig.maxBlurRadiusPx), 70 flowWhenShadeIsNotExpanded = emptyFlow(), 71 ) 72 } 73