87 lines
2.9 KiB
Kotlin
87 lines
2.9 KiB
Kotlin
package org.thoughtcrime.securesms
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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 androidx.core.view.isVisible
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import androidx.recyclerview.widget.RecyclerView
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import network.loki.messenger.R
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import network.loki.messenger.databinding.MediaOverviewGalleryItemBinding
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import org.thoughtcrime.securesms.database.MediaDatabase.MediaRecord
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import org.thoughtcrime.securesms.mms.GlideApp
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import org.thoughtcrime.securesms.util.MediaUtil
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class MediaGalleryAdapter(private val itemClickListener: ItemClickListener): RecyclerView.Adapter<MediaGalleryAdapter.ViewHolder>() {
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private val items: MutableList<MediaRecord> = mutableListOf()
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private val selectedItems: MutableSet<MediaRecord> = mutableSetOf()
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fun setItems(newItems: List<MediaRecord>) {
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items.clear()
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items += newItems
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notifyDataSetChanged()
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}
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fun toggleSelection(record: MediaRecord) {
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val index = items.indexOf(record)
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if (index >= 0) {
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if (selectedItems.contains(record)) selectedItems -= record
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else selectedItems += record
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notifyItemChanged(index)
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}
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}
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fun getSelectedMediaCount() = selectedItems.size
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fun selectAllMedia() {
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selectedItems += items
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val size = items.size
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notifyItemRangeChanged(0, size)
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}
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fun getSelectedMedia() = selectedItems.toList()
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fun clearSelection() {
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selectedItems.clear()
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notifyDataSetChanged()
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val view = LayoutInflater.from(parent.context).inflate(R.layout.media_overview_gallery_item, parent, false)
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return ViewHolder(view)
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}
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override fun onBindViewHolder(holder: ViewHolder, position: Int) {
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val item = items[position]
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holder.bind(item, selectedItems.contains(item), itemClickListener)
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}
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override fun getItemCount(): Int = items.size
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class ViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
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private val binding = MediaOverviewGalleryItemBinding.bind(itemView)
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private val glide = GlideApp.with(itemView)
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fun bind(item: MediaRecord, isSelected: Boolean, itemClickListener: ItemClickListener) {
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val slide = MediaUtil.getSlideForAttachment(itemView.context, item.attachment)
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if (slide != null) {
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binding.image.root.setImageResource(glide, slide, false, null)
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}
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binding.image.root.setOnClickListener { itemClickListener.onMediaClicked(item) }
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binding.image.root.setOnLongClickListener {
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itemClickListener.onMediaLongClicked(item)
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true
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}
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binding.selectedIndicator.isVisible = isSelected
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}
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}
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interface ItemClickListener {
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fun onMediaClicked(mediaRecord: MediaRecord)
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fun onMediaLongClicked(mediaRecord: MediaRecord?)
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}
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} |