1 files changed, 152 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/MainFragment.kt b/wallet/src/main/java/net/taler/wallet/MainFragment.kt
new file mode 100644
index 0000000..a0eb8ff
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/MainFragment.kt
@@ -0,0 +1,152 @@
+/*
+ * 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.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 androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Observer
+import androidx.navigation.fragment.findNavController
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager.VERTICAL
+import com.google.zxing.integration.android.IntentIntegrator
+import com.google.zxing.integration.android.IntentIntegrator.QR_CODE
+import kotlinx.android.synthetic.main.fragment_show_balance.*
+
+interface BalanceClickListener {
+    fun onBalanceClick()
+}
+
+class MainFragment : Fragment(), BalanceClickListener {
+
+    private val model: MainViewModel by activityViewModels()
+    private val withdrawManager by lazy { model.withdrawManager }
+
+    private var reloadBalanceMenuItem: MenuItem? = null
+    private val balancesAdapter = BalanceAdapter(this)
+
+    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?) {
+        mainList.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
+//        })
+
+        mainFab.setOnClickListener {
+            onScanButtonClicked()
+        }
+    }
+
+    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 onScanButtonClicked() {
+        IntentIntegrator(activity).apply {
+            setPrompt("")
+            setBeepEnabled(true)
+            setOrientationLocked(false)
+        }.initiateScan(listOf(QR_CODE))
+    }
+
+    private fun onBalancesChanged(balances: List<BalanceItem>) {
+        delayedTransition()
+        if (balances.isEmpty()) {
+            mainEmptyState.visibility = VISIBLE
+            mainList.visibility = GONE
+        } else {
+            balancesAdapter.setItems(balances)
+            mainEmptyState.visibility = GONE
+            mainList.visibility = VISIBLE
+        }
+    }
+
+    private fun delayedTransition() {
+        beginDelayedTransition(view as ViewGroup)
+    }
+
+    override fun onBalanceClick() {
+        findNavController().navigate(R.id.walletHistory)
+    }
+
+}