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 package com.android.wallpaper.picker.preview.ui.binder
18 
19 import android.widget.Button
20 import androidx.core.view.isVisible
21 import androidx.lifecycle.Lifecycle
22 import androidx.lifecycle.LifecycleOwner
23 import androidx.lifecycle.lifecycleScope
24 import androidx.lifecycle.repeatOnLifecycle
25 import com.android.wallpaper.picker.preview.ui.viewmodel.WallpaperPreviewViewModel
26 import kotlinx.coroutines.launch
27 
28 /** Binds the set wallpaper button on small preview. */
29 object SetWallpaperButtonBinder {
30 
31     fun bind(
32         button: Button,
33         viewModel: WallpaperPreviewViewModel,
34         lifecycleOwner: LifecycleOwner,
35         navigate: () -> Unit,
36     ) {
37         lifecycleOwner.lifecycleScope.launch {
38             lifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
39                 launch { viewModel.isSetWallpaperButtonVisible.collect { button.isVisible = it } }
40 
41                 launch { viewModel.isSetWallpaperButtonEnabled.collect { button.isEnabled = it } }
42 
43                 launch {
44                     viewModel.onSetWallpaperButtonClicked.collect { onClicked ->
45                         button.setOnClickListener(
46                             if (onClicked != null) {
47                                 { onClicked.invoke() }
48                             } else {
49                                 null
50                             }
51                         )
52                     }
53                 }
54 
55                 launch {
56                     viewModel.showSetWallpaperDialog.collect {
57                         if (it) {
58                             navigate.invoke()
59                         }
60                     }
61                 }
62             }
63         }
64     }
65 }
66