1 /*
2  * Copyright (C) 2022 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.keyguard.domain.interactor.LightRevealScrimInteractor
20 import com.android.systemui.statusbar.LightRevealEffect
21 import javax.inject.Inject
22 import kotlinx.coroutines.ExperimentalCoroutinesApi
23 import kotlinx.coroutines.flow.Flow
24 
25 /**
26  * Models UI state for the light reveal scrim, which is used during screen on and off animations to
27  * draw a gradient that reveals/hides the contents of the screen.
28  */
29 @OptIn(ExperimentalCoroutinesApi::class)
30 class LightRevealScrimViewModel @Inject constructor(interactor: LightRevealScrimInteractor) {
31     val lightRevealEffect: Flow<LightRevealEffect> = interactor.lightRevealEffect
32     val revealAmount: Flow<Float> = interactor.revealAmount
33 }
34