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Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/BalanceFragment.kt')
-rw-r--r--wallet/src/main/java/net/taler/wallet/BalanceFragment.kt198
1 files changed, 198 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/BalanceFragment.kt b/wallet/src/main/java/net/taler/wallet/BalanceFragment.kt
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+++ b/wallet/src/main/java/net/taler/wallet/BalanceFragment.kt
@@ -0,0 +1,198 @@
+/*
+ * 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
+
+import android.os.Bundle
+import android.transition.TransitionManager.beginDelayedTransition
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager.VERTICAL
+import androidx.recyclerview.widget.RecyclerView.Adapter
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.google.zxing.integration.android.IntentIntegrator
+import com.google.zxing.integration.android.IntentIntegrator.QR_CODE_TYPES
+import kotlinx.android.synthetic.main.fragment_show_balance.*
+import net.taler.wallet.BalanceAdapter.BalanceViewHolder
+
+class BalanceFragment : Fragment() {
+
+ private val model: WalletViewModel by activityViewModels()
+ private val withdrawManager by lazy { model.withdrawManager }
+
+ private var reloadBalanceMenuItem: MenuItem? = null
+ private val balancesAdapter = BalanceAdapter()
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setHasOptionsMenu(true)
+ }
+
+ override fun onCreateView(
+ inflater: LayoutInflater,
+ container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ return inflater.inflate(R.layout.fragment_show_balance, container, false)
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ balancesList.apply {
+ layoutManager = LinearLayoutManager(context)
+ adapter = balancesAdapter
+ addItemDecoration(DividerItemDecoration(context, VERTICAL))
+ }
+
+ model.balances.observe(viewLifecycleOwner, Observer {
+ onBalancesChanged(it)
+ })
+
+ model.devMode.observe(viewLifecycleOwner, Observer { enabled ->
+ delayedTransition()
+ testWithdrawButton.visibility = if (enabled) VISIBLE else GONE
+ reloadBalanceMenuItem?.isVisible = enabled
+ })
+ testWithdrawButton.setOnClickListener {
+ withdrawManager.withdrawTestkudos()
+ }
+ withdrawManager.testWithdrawalInProgress.observe(viewLifecycleOwner, Observer { loading ->
+ Log.v("taler-wallet", "observing balance loading $loading in show balance")
+ testWithdrawButton.isEnabled = !loading
+ model.showProgressBar.value = loading
+ })
+
+ scanButton.setOnClickListener {
+ IntentIntegrator(activity).apply {
+ setPrompt("")
+ setBeepEnabled(true)
+ setOrientationLocked(false)
+ }.initiateScan(QR_CODE_TYPES)
+ }
+ }
+
+ override fun onStart() {
+ super.onStart()
+ model.loadBalances()
+ }
+
+ override fun onOptionsItemSelected(item: MenuItem): Boolean {
+ return when (item.itemId) {
+ R.id.reload_balance -> {
+ model.loadBalances()
+ true
+ }
+ R.id.developer_mode -> {
+ item.isChecked = !item.isChecked
+ model.devMode.value = item.isChecked
+ true
+ }
+ else -> super.onOptionsItemSelected(item)
+ }
+ }
+
+ override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+ inflater.inflate(R.menu.balance, menu)
+ menu.findItem(R.id.developer_mode).isChecked = model.devMode.value!!
+ reloadBalanceMenuItem = menu.findItem(R.id.reload_balance).apply {
+ isVisible = model.devMode.value!!
+ }
+ super.onCreateOptionsMenu(menu, inflater)
+ }
+
+ private fun onBalancesChanged(balances: List<BalanceItem>) {
+ delayedTransition()
+ if (balances.isEmpty()) {
+ balancesEmptyState.visibility = VISIBLE
+ balancesList.visibility = GONE
+ } else {
+ balancesAdapter.setItems(balances)
+ balancesEmptyState.visibility = GONE
+ balancesList.visibility = VISIBLE
+ }
+ }
+
+ private fun delayedTransition() {
+ beginDelayedTransition(view as ViewGroup)
+ }
+
+}
+
+class BalanceAdapter : Adapter<BalanceViewHolder>() {
+
+ private var items = emptyList<BalanceItem>()
+
+ init {
+ setHasStableIds(false)
+ }
+
+ override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BalanceViewHolder {
+ val v =
+ LayoutInflater.from(parent.context).inflate(R.layout.list_item_balance, parent, false)
+ return BalanceViewHolder(v)
+ }
+
+ override fun getItemCount() = items.size
+
+ override fun onBindViewHolder(holder: BalanceViewHolder, position: Int) {
+ val item = items[position]
+ holder.bind(item)
+ }
+
+ fun setItems(items: List<BalanceItem>) {
+ this.items = items
+ this.notifyDataSetChanged()
+ }
+
+ class BalanceViewHolder(private val v: View) : ViewHolder(v) {
+ private val currencyView: TextView = v.findViewById(R.id.balance_currency)
+ private val amountView: TextView = v.findViewById(R.id.balance_amount)
+ private val balanceInboundAmount: TextView = v.findViewById(R.id.balanceInboundAmount)
+ private val balanceInboundLabel: TextView = v.findViewById(R.id.balanceInboundLabel)
+
+ fun bind(item: BalanceItem) {
+ currencyView.text = item.available.currency
+ amountView.text = item.available.amount
+
+ val amountIncoming = item.pendingIncoming
+ if (amountIncoming.isZero()) {
+ balanceInboundAmount.visibility = GONE
+ balanceInboundLabel.visibility = GONE
+ } else {
+ balanceInboundAmount.visibility = VISIBLE
+ balanceInboundLabel.visibility = VISIBLE
+ balanceInboundAmount.text = v.context.getString(
+ R.string.balances_inbound_amount,
+ amountIncoming.amount,
+ amountIncoming.currency
+ )
+ }
+ }
+ }
+
+}