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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.wallet.transactions
import android.content.Context
import android.view.LayoutInflater
import android.view.MotionEvent
import android.view.View
import android.view.View.GONE
import android.view.View.VISIBLE
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.core.content.ContextCompat.getColor
import androidx.recyclerview.selection.ItemDetailsLookup
import androidx.recyclerview.selection.ItemKeyProvider
import androidx.recyclerview.selection.SelectionTracker
import androidx.recyclerview.widget.RecyclerView
import androidx.recyclerview.widget.RecyclerView.Adapter
import androidx.recyclerview.widget.RecyclerView.ViewHolder
import net.taler.common.CurrencySpecification
import net.taler.common.exhaustive
import net.taler.common.toRelativeTime
import net.taler.wallet.R
import net.taler.wallet.getThemeColor
import net.taler.wallet.transactions.TransactionAdapter.TransactionViewHolder
import net.taler.wallet.transactions.TransactionMajorState.Aborted
import net.taler.wallet.transactions.TransactionMajorState.Failed
import net.taler.wallet.transactions.TransactionMajorState.Pending
import net.taler.wallet.transactions.TransactionMinorState.BankConfirmTransfer
import net.taler.wallet.transactions.TransactionMinorState.KycRequired
internal class TransactionAdapter(
private val listener: OnTransactionClickListener,
) : Adapter<TransactionViewHolder>() {
private var transactions: List<Transaction> = ArrayList()
private var currencySpec: CurrencySpecification? = null
lateinit var tracker: SelectionTracker<String>
val keyProvider = TransactionKeyProvider()
init {
setHasStableIds(false)
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TransactionViewHolder {
val view = LayoutInflater.from(parent.context)
.inflate(R.layout.list_item_transaction, parent, false)
return TransactionViewHolder(view)
}
override fun getItemCount(): Int = transactions.size
override fun onBindViewHolder(holder: TransactionViewHolder, position: Int) {
val transaction = transactions[position]
holder.bind(transaction, tracker.isSelected(transaction.transactionId))
}
fun setCurrencySpec(spec: CurrencySpecification?) {
this.currencySpec = spec
this.notifyDataSetChanged()
}
fun update(updatedTransactions: List<Transaction>) {
this.transactions = updatedTransactions
this.notifyDataSetChanged()
}
fun selectAll() = transactions.forEach {
tracker.select(it.transactionId)
}
internal inner class TransactionViewHolder(private val v: View) : ViewHolder(v) {
private val context: Context = v.context
private val root: ViewGroup = v.findViewById(R.id.root)
private val icon: ImageView = v.findViewById(R.id.icon)
private val title: TextView = v.findViewById(R.id.title)
private val extraInfoView: TextView = v.findViewById(R.id.extraInfoView)
private val time: TextView = v.findViewById(R.id.time)
private val amount: TextView = v.findViewById(R.id.amount)
private val pendingView: TextView = v.findViewById(R.id.pendingView)
private val amountColor = amount.currentTextColor
private val extraInfoColor = extraInfoView.currentTextColor
private val red = context.getThemeColor(R.attr.colorError)
private val green = getColor(context, R.color.green)
fun bind(transaction: Transaction, selected: Boolean) {
v.setOnClickListener { listener.onTransactionClicked(transaction) }
if (transaction.error == null) {
icon.setImageResource(transaction.icon)
} else {
icon.setImageResource(R.drawable.ic_error)
}
title.text = transaction.getTitle(context)
bindExtraInfo(transaction)
time.text = transaction.timestamp.ms.toRelativeTime(context)
bindAmount(transaction)
pendingView.visibility = if (transaction.txState.major == Pending) VISIBLE else GONE
val bgColor = getColor(
context,
if (selected) R.color.selectedBackground
else android.R.color.transparent
)
root.setBackgroundColor(bgColor)
}
private fun bindExtraInfo(transaction: Transaction) {
when {
// Goes first so it always shows errors when present
transaction.error != null -> {
extraInfoView.text =
context.getString(R.string.payment_error, transaction.error!!.userFacingMsg)
extraInfoView.setTextColor(red)
extraInfoView.visibility = VISIBLE
}
transaction.txState.major == Aborted -> {
extraInfoView.setText(R.string.payment_aborted)
extraInfoView.setTextColor(red)
extraInfoView.visibility = VISIBLE
}
transaction.txState.major == Failed -> {
extraInfoView.setText(R.string.payment_failed)
extraInfoView.setTextColor(red)
extraInfoView.visibility = VISIBLE
}
transaction.txState.major == Pending -> when (transaction.txState.minor) {
BankConfirmTransfer -> {
extraInfoView.setText(R.string.withdraw_waiting_confirm)
extraInfoView.setTextColor(amountColor)
extraInfoView.visibility = VISIBLE
}
KycRequired -> {
extraInfoView.setText(R.string.transaction_action_kyc)
extraInfoView.setTextColor(amountColor)
extraInfoView.visibility = VISIBLE
}
else -> extraInfoView.visibility = GONE
}
transaction is TransactionWithdrawal && !transaction.confirmed -> {
extraInfoView.setText(R.string.withdraw_waiting_confirm)
extraInfoView.setTextColor(amountColor)
extraInfoView.visibility = VISIBLE
}
transaction is TransactionPeerPushCredit && transaction.info.summary != null -> {
extraInfoView.text = transaction.info.summary
extraInfoView.setTextColor(extraInfoColor)
extraInfoView.visibility = VISIBLE
}
transaction is TransactionPeerPushDebit && transaction.info.summary != null -> {
extraInfoView.text = transaction.info.summary
extraInfoView.setTextColor(extraInfoColor)
extraInfoView.visibility = VISIBLE
}
transaction is TransactionPeerPullCredit && transaction.info.summary != null -> {
extraInfoView.text = transaction.info.summary
extraInfoView.setTextColor(extraInfoColor)
extraInfoView.visibility = VISIBLE
}
transaction is TransactionPeerPullDebit && transaction.info.summary != null -> {
extraInfoView.text = transaction.info.summary
extraInfoView.setTextColor(extraInfoColor)
extraInfoView.visibility = VISIBLE
}
else -> extraInfoView.visibility = GONE
}
}
private fun bindAmount(transaction: Transaction) {
val amountStr = transaction.amountEffective.withSpec(currencySpec).toString(showSymbol = false)
when (transaction.amountType) {
AmountType.Positive -> {
amount.text = context.getString(R.string.amount_positive, amountStr)
amount.setTextColor(if (transaction.txState.major == Pending) amountColor else green)
}
AmountType.Negative -> {
amount.text = context.getString(R.string.amount_negative, amountStr)
amount.setTextColor(if (transaction.txState.major == Pending) amountColor else red)
}
AmountType.Neutral -> {
amount.text = amountStr
amount.setTextColor(amountColor)
}
}.exhaustive
}
}
internal inner class TransactionKeyProvider : ItemKeyProvider<String>(SCOPE_MAPPED) {
override fun getKey(position: Int) = transactions[position].transactionId
override fun getPosition(key: String): Int {
return transactions.indexOfFirst { it.transactionId == key }
}
}
}
internal class TransactionLookup(
private val list: RecyclerView,
private val adapter: TransactionAdapter,
) : ItemDetailsLookup<String>() {
override fun getItemDetails(e: MotionEvent): ItemDetails<String>? {
list.findChildViewUnder(e.x, e.y)?.let { view ->
val holder = list.getChildViewHolder(view)
val position = holder.bindingAdapterPosition
if (position < 0) return null
return object : ItemDetails<String>() {
override fun getPosition(): Int = position
override fun getSelectionKey(): String = adapter.keyProvider.getKey(position)
}
}
return null
}
}
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