82 lines
2.5 KiB
Kotlin
82 lines
2.5 KiB
Kotlin
package com.lagradost.cloudstream3.ui.result
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.ImageView
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import androidx.recyclerview.widget.DiffUtil
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import androidx.recyclerview.widget.RecyclerView
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/*
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class ImageAdapter(context: Context, val resource: Int) : ArrayAdapter<Int>(context, resource) {
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override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
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val newConvertView = convertView ?: run {
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val mInflater = context
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.getSystemService(Activity.LAYOUT_INFLATER_SERVICE) as LayoutInflater
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mInflater.inflate(resource, null)
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}
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getItem(position)?.let { (newConvertView as? ImageView?)?.setImageResource(it) }
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return newConvertView
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}
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}*/
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class ImageAdapter(
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val layout: Int,
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) :
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RecyclerView.Adapter<RecyclerView.ViewHolder>() {
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private val images: MutableList<Int> = mutableListOf()
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
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return ImageViewHolder(
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LayoutInflater.from(parent.context).inflate(layout, parent, false)
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)
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}
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override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
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when (holder) {
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is ImageViewHolder -> {
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holder.bind(images[position])
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}
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}
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}
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override fun getItemCount(): Int {
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return images.size
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}
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override fun getItemId(position: Int): Long {
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return images[position].toLong()
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}
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fun updateList(newList: List<Int>) {
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val diffResult = DiffUtil.calculateDiff(
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DiffCallback(this.images, newList)
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)
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images.clear()
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images.addAll(newList)
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diffResult.dispatchUpdatesTo(this)
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}
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class ImageViewHolder
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constructor(itemView: View) :
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RecyclerView.ViewHolder(itemView) {
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fun bind(img: Int) {
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(itemView as? ImageView?)?.setImageResource(img)
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}
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}
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}
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class DiffCallback<T>(private val oldList: List<T>, private val newList: List<T>) :
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DiffUtil.Callback() {
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override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int) =
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oldList[oldItemPosition] == newList[newItemPosition]
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override fun getOldListSize() = oldList.size
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override fun getNewListSize() = newList.size
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override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int) =
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oldList[oldItemPosition] == newList[newItemPosition]
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} |