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.keyguard.ui.viewmodel 18 19 import com.android.systemui.dagger.SysUISingleton 20 import com.android.systemui.keyguard.domain.interactor.FromDreamingLockscreenHostedTransitionInteractor.Companion.TO_LOCKSCREEN_DURATION 21 import com.android.systemui.keyguard.shared.model.Edge 22 import com.android.systemui.keyguard.shared.model.KeyguardState.DREAMING_LOCKSCREEN_HOSTED 23 import com.android.systemui.keyguard.shared.model.KeyguardState.LOCKSCREEN 24 import com.android.systemui.keyguard.ui.KeyguardTransitionAnimationFlow 25 import javax.inject.Inject 26 import kotlin.time.Duration.Companion.milliseconds 27 import kotlinx.coroutines.flow.Flow 28 29 @SysUISingleton 30 class DreamingHostedToLockscreenTransitionViewModel 31 @Inject 32 constructor( 33 animationFlow: KeyguardTransitionAnimationFlow, 34 ) { 35 36 private val transitionAnimation = 37 animationFlow.setup( 38 duration = TO_LOCKSCREEN_DURATION, 39 edge = Edge.create(from = DREAMING_LOCKSCREEN_HOSTED, to = LOCKSCREEN), 40 ) 41 42 val shortcutsAlpha: Flow<Float> = 43 transitionAnimation.sharedFlow( 44 duration = 250.milliseconds, <lambda>null45 onStep = { it }, <lambda>null46 onCancel = { 0f }, 47 ) 48 } 49