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.dagger.SysUISingleton 20 import com.android.systemui.keyguard.domain.interactor.FromGoneTransitionInteractor.Companion.TO_GLANCEABLE_HUB_DURATION 21 import com.android.systemui.keyguard.shared.model.Edge 22 import com.android.systemui.keyguard.shared.model.KeyguardState.GLANCEABLE_HUB 23 import com.android.systemui.keyguard.shared.model.KeyguardState.GONE 24 import com.android.systemui.keyguard.ui.KeyguardTransitionAnimationFlow 25 import com.android.systemui.keyguard.ui.transitions.DeviceEntryIconTransition 26 import javax.inject.Inject 27 import kotlin.time.Duration.Companion.milliseconds 28 import kotlinx.coroutines.flow.Flow 29 30 @SysUISingleton 31 class GoneToGlanceableHubTransitionViewModel 32 @Inject 33 constructor(animationFlow: KeyguardTransitionAnimationFlow) : DeviceEntryIconTransition { 34 35 private val transitionAnimation = 36 animationFlow 37 .setup(duration = TO_GLANCEABLE_HUB_DURATION, edge = Edge.INVALID) 38 .setupWithoutSceneContainer(edge = Edge.create(GONE, GLANCEABLE_HUB)) 39 40 val keyguardAlpha = transitionAnimation.immediatelyTransitionTo(0f) 41 42 override val deviceEntryParentViewAlpha: Flow<Float> = 43 transitionAnimation.sharedFlow( 44 duration = 167.milliseconds, <lambda>null45 onStep = { it }, <lambda>null46 onCancel = { 1f }, <lambda>null47 onFinish = { 1f }, 48 ) 49 } 50