2021-01-26 19:45:18 +01:00
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package sushi.hardcore.aira.adapters
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import android.content.Context
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import android.graphics.PorterDuff
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import android.graphics.PorterDuffColorFilter
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import android.view.Gravity
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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.ImageButton
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import android.widget.LinearLayout
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import android.widget.TextView
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import androidx.core.content.ContextCompat
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2021-05-05 20:54:25 +02:00
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import androidx.core.view.marginEnd
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import androidx.core.view.updatePadding
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2021-01-26 19:45:18 +01:00
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import androidx.recyclerview.widget.RecyclerView
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import sushi.hardcore.aira.ChatItem
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import sushi.hardcore.aira.R
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class ChatAdapter(
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private val context: Context,
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private val onSavingFile: (filename: String, rawUuid: ByteArray) -> Unit
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): RecyclerView.Adapter<RecyclerView.ViewHolder>() {
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companion object {
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const val BUBBLE_MARGIN = 70
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}
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private val inflater: LayoutInflater = LayoutInflater.from(context)
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private val chatItems = mutableListOf<ChatItem>()
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fun newMessage(chatItem: ChatItem) {
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chatItems.add(chatItem)
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notifyItemInserted(chatItems.size-1)
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}
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fun newLoadedMessage(chatItem: ChatItem) {
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chatItems.add(0, chatItem)
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notifyItemInserted(0)
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}
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fun clear() {
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chatItems.clear()
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notifyDataSetChanged()
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}
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internal open class BubbleViewHolder(private val context: Context, itemView: View): RecyclerView.ViewHolder(itemView) {
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fun handleItemView(position: Int) {
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2021-05-05 20:54:25 +02:00
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itemView.updatePadding(top = if (position == 0) {
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50
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} else {
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itemView.paddingBottom
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})
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2021-01-26 19:45:18 +01:00
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}
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fun setBubbleColor(bubble: View, outgoing: Boolean) {
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if (outgoing) {
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bubble.background.clearColorFilter()
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} else {
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bubble.background.colorFilter = PorterDuffColorFilter(ContextCompat.getColor(context, R.color.incomingBubbleBackground), PorterDuff.Mode.SRC)
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}
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}
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}
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internal class MessageViewHolder(context: Context, itemView: View): BubbleViewHolder(context, itemView) {
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fun bind(chatItem: ChatItem, position: Int) {
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itemView.findViewById<TextView>(R.id.text_message).apply {
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text = chatItem.data.sliceArray(1 until chatItem.data.size).decodeToString()
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layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT).apply {
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if (chatItem.outgoing) {
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gravity = Gravity.END
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marginStart = BUBBLE_MARGIN
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} else {
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gravity = Gravity.START
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marginEnd = BUBBLE_MARGIN
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}
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}
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setBubbleColor(this, chatItem.outgoing)
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}
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handleItemView(position)
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}
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}
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internal class FileViewHolder(context: Context, itemView: View): BubbleViewHolder(context, itemView) {
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fun bind(chatItem: ChatItem, position: Int, onSavingFile: (filename: String, rawUuid: ByteArray) -> Unit) {
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val filename = chatItem.data.sliceArray(17 until chatItem.data.size).decodeToString()
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itemView.findViewById<TextView>(R.id.text_filename).text = filename
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itemView.findViewById<ImageButton>(R.id.button_save).setOnClickListener {
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onSavingFile(filename, chatItem.data.sliceArray(1 until 17))
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}
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itemView.findViewById<LinearLayout>(R.id.bubble_content).apply {
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layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT).apply {
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if (chatItem.outgoing) {
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gravity = Gravity.END
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marginStart = BUBBLE_MARGIN
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} else {
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gravity = Gravity.START
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marginEnd = BUBBLE_MARGIN
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}
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}
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setBubbleColor(this, chatItem.outgoing)
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}
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handleItemView(position)
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}
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
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return when (viewType) {
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ChatItem.MESSAGE -> {
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val view = inflater.inflate(R.layout.adapter_chat_message, parent, false)
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MessageViewHolder(context, view)
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}
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ChatItem.FILE -> {
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val view = inflater.inflate(R.layout.adapter_chat_file, parent, false)
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FileViewHolder(context, view)
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}
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else -> throw RuntimeException("Invalid chat item type")
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}
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}
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override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
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val chatItem = chatItems[position]
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when (chatItem.itemType) {
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ChatItem.MESSAGE -> {
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(holder as MessageViewHolder).bind(chatItem, position)
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}
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ChatItem.FILE -> {
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(holder as FileViewHolder).bind(chatItem, position, onSavingFile)
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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 chatItems.size
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}
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override fun getItemViewType(position: Int): Int {
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return chatItems[position].itemType
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}
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}
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