1 /*
2  * Copyright (C) 2024 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 package com.android.wallpaper.picker.preview.ui.view.adapters
17 
18 import android.view.LayoutInflater
19 import android.view.View
20 import android.view.ViewGroup
21 import androidx.recyclerview.widget.RecyclerView
22 import com.android.wallpaper.R
23 import com.android.wallpaper.config.BaseFlags
24 
25 /**
26  * This adapter provides preview views for the small preview fragment
27  *
28  * TODO(b/361583350): Use [PreviewPagerAdapter], remove this class once new picker UI is released
29  */
30 class SinglePreviewPagerAdapter(
31     private val onBindViewHolder: (ViewHolder, Int) -> Unit,
32 ) : RecyclerView.Adapter<SinglePreviewPagerAdapter.ViewHolder>() {
33 
onCreateViewHoldernull34     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
35 
36         val layout =
37             if (BaseFlags.get().isNewPickerUi()) R.layout.small_preview_handheld_card_view2
38             else R.layout.small_preview_handheld_card_view
39 
40         val view = LayoutInflater.from(parent.context).inflate(layout, parent, false)
41 
42         view.setPadding(
43             0,
44             parent.resources.getDimension(R.dimen.small_preview_preview_top_padding).toInt(),
45             0,
46             parent.resources.getDimension(R.dimen.small_preview_preview_bottom_padding).toInt(),
47         )
48         return ViewHolder(view)
49     }
50 
onBindViewHoldernull51     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
52         onBindViewHolder.invoke(holder, position)
53     }
54 
getItemCountnull55     override fun getItemCount(): Int = PREVIEW_PAGER_ITEM_COUNT
56 
57     inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView)
58 
59     companion object {
60         const val PREVIEW_PAGER_ITEM_COUNT = 2
61     }
62 }
63