package io.heckel.ntfy.ui import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.TextView import androidx.recyclerview.widget.DiffUtil import androidx.recyclerview.widget.ListAdapter import androidx.recyclerview.widget.RecyclerView import io.heckel.ntfy.R import io.heckel.ntfy.data.Notification import java.util.* class DetailAdapter(private val onClick: (Notification) -> Unit, private val onLongClick: (Notification) -> Unit) : ListAdapter(TopicDiffCallback) { val selected = mutableSetOf() // Notification IDs /* Creates and inflates view and return TopicViewHolder. */ override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DetailViewHolder { val view = LayoutInflater.from(parent.context) .inflate(R.layout.fragment_detail_item, parent, false) return DetailViewHolder(view, selected, onClick, onLongClick) } /* Gets current topic and uses it to bind view. */ override fun onBindViewHolder(holder: DetailViewHolder, position: Int) { holder.bind(getItem(position)) } fun toggleSelection(notificationId: String) { if (selected.contains(notificationId)) { selected.remove(notificationId) } else { selected.add(notificationId) } } /* ViewHolder for Topic, takes in the inflated view and the onClick behavior. */ class DetailViewHolder(itemView: View, private val selected: Set, val onClick: (Notification) -> Unit, val onLongClick: (Notification) -> Unit) : RecyclerView.ViewHolder(itemView) { private var notification: Notification? = null private val dateView: TextView = itemView.findViewById(R.id.detail_item_date_text) private val messageView: TextView = itemView.findViewById(R.id.detail_item_message_text) private val newImageView: View = itemView.findViewById(R.id.detail_item_new) fun bind(notification: Notification) { this.notification = notification dateView.text = Date(notification.timestamp * 1000).toString() messageView.text = notification.message newImageView.visibility = if (notification.notificationId == 0) View.GONE else View.VISIBLE itemView.setOnClickListener { onClick(notification) } itemView.setOnLongClickListener { onLongClick(notification); true } if (selected.contains(notification.id)) { itemView.setBackgroundResource(R.color.primarySelectedRowColor); } } } object TopicDiffCallback : DiffUtil.ItemCallback() { override fun areItemsTheSame(oldItem: Notification, newItem: Notification): Boolean { return oldItem.id == newItem.id } override fun areContentsTheSame(oldItem: Notification, newItem: Notification): Boolean { return oldItem == newItem } } }