1 /*
<lambda>null2  * 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 
18 package com.android.wallpaper.picker.customization.ui.binder
19 
20 import android.view.View
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.R
26 import com.android.wallpaper.picker.customization.ui.viewmodel.CustomizationPickerViewModel
27 import com.android.wallpaper.widget.DuoTabs
28 import kotlinx.coroutines.flow.combine
29 import kotlinx.coroutines.launch
30 
31 /** Binds view to view-model for the customization picker tabs. */
32 object CustomizationPickerTabsBinder {
33     @JvmStatic
34     fun bind(
35         view: View,
36         viewModel: CustomizationPickerViewModel,
37         lifecycleOwner: LifecycleOwner,
38     ) {
39         val tabs: DuoTabs = view.requireViewById(R.id.duo_tabs)
40         tabs.setTabText(
41             view.context.getString(R.string.lock_screen_tab),
42             view.context.getString(R.string.home_screen_tab),
43         )
44 
45         lifecycleOwner.lifecycleScope.launch {
46             lifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
47                 launch {
48                     combine(viewModel.lockScreenTab, viewModel.homeScreenTab) {
49                             lockScreenTabViewModel,
50                             homeScreenTabViewModel ->
51                             lockScreenTabViewModel to homeScreenTabViewModel
52                         }
53                         .collect { (lockScreenTabViewModel, homeScreenTabViewModel) ->
54                             tabs.setOnTabSelectedListener(null)
55                             tabs.selectTab(
56                                 when {
57                                     lockScreenTabViewModel.isSelected -> DuoTabs.TAB_PRIMARY
58                                     else -> DuoTabs.TAB_SECONDARY
59                                 },
60                             )
61                             tabs.setOnTabSelectedListener { tabId ->
62                                 when (tabId) {
63                                     DuoTabs.TAB_PRIMARY ->
64                                         lockScreenTabViewModel.onClicked?.invoke()
65                                     DuoTabs.TAB_SECONDARY ->
66                                         homeScreenTabViewModel.onClicked?.invoke()
67                                 }
68                             }
69                         }
70                 }
71             }
72         }
73     }
74 }
75