1 /*
<lambda>null2  * 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 
18 package com.android.systemui.communal.ui.binder
19 
20 import android.widget.TextView
21 import androidx.core.view.isVisible
22 import androidx.lifecycle.Lifecycle
23 import androidx.lifecycle.repeatOnLifecycle
24 import com.android.systemui.communal.ui.viewmodel.CommunalTutorialIndicatorViewModel
25 import com.android.systemui.lifecycle.repeatWhenAttached
26 import kotlinx.coroutines.DisposableHandle
27 import kotlinx.coroutines.launch
28 
29 /** View binder for communal tutorial indicator shown on keyguard. */
30 object CommunalTutorialIndicatorViewBinder {
31     fun bind(
32         view: TextView,
33         viewModel: CommunalTutorialIndicatorViewModel,
34         isPreviewMode: Boolean = false,
35     ): DisposableHandle {
36         val disposableHandle =
37             view.repeatWhenAttached {
38                 repeatOnLifecycle(Lifecycle.State.STARTED) {
39                     launch {
40                         viewModel.showIndicator(isPreviewMode).collect { showIndicator ->
41                             view.isVisible = showIndicator
42                         }
43                     }
44 
45                     launch { viewModel.alpha.collect { view.alpha = it } }
46                 }
47             }
48 
49         return disposableHandle
50     }
51 }
52