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.communal.ui.viewmodel
18 
19 import com.android.systemui.communal.domain.interactor.CommunalTutorialInteractor
20 import com.android.systemui.keyguard.domain.interactor.KeyguardBottomAreaInteractor
21 import javax.inject.Inject
22 import kotlinx.coroutines.flow.Flow
23 import kotlinx.coroutines.flow.MutableStateFlow
24 import kotlinx.coroutines.flow.StateFlow
25 import kotlinx.coroutines.flow.asStateFlow
26 import kotlinx.coroutines.flow.distinctUntilChanged
27 
28 /** View model for communal tutorial indicator on keyguard */
29 class CommunalTutorialIndicatorViewModel
30 @Inject
31 constructor(
32     private val communalTutorialInteractor: CommunalTutorialInteractor,
33     bottomAreaInteractor: KeyguardBottomAreaInteractor,
34 ) {
35     /**
36      * An observable for whether the tutorial indicator view should be visible.
37      *
38      * @param isPreviewMode Whether for preview keyguard mode in wallpaper settings.
39      */
showIndicatornull40     fun showIndicator(isPreviewMode: Boolean): StateFlow<Boolean> {
41         return if (isPreviewMode) {
42             MutableStateFlow(false).asStateFlow()
43         } else {
44             communalTutorialInteractor.isTutorialAvailable
45         }
46     }
47 
48     /** An observable for the alpha level for the tutorial indicator. */
49     val alpha: Flow<Float> = bottomAreaInteractor.alpha.distinctUntilChanged()
50 }
51