From a4796ec47d89a851b260b6fc195494547208a025 Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Wed, 18 Mar 2020 14:24:41 -0300
Subject: Merge all three apps into one repository

---
 .../java/net/taler/merchantpos/MainActivity.kt     | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 merchant-terminal/src/main/java/net/taler/merchantpos/MainActivity.kt

(limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/MainActivity.kt')

diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/MainActivity.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/MainActivity.kt
new file mode 100644
index 0000000..0c6bdfa
--- /dev/null
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/MainActivity.kt
@@ -0,0 +1,123 @@
+/*
+ * 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.merchantpos
+
+import android.content.Intent
+import android.content.Intent.ACTION_MAIN
+import android.content.Intent.CATEGORY_HOME
+import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.os.Bundle
+import android.os.Handler
+import android.view.MenuItem
+import android.widget.Toast
+import android.widget.Toast.LENGTH_SHORT
+import androidx.activity.viewModels
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.GravityCompat.START
+import androidx.lifecycle.Observer
+import androidx.navigation.NavController
+import androidx.navigation.fragment.NavHostFragment
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.setupWithNavController
+import com.google.android.material.navigation.NavigationView.OnNavigationItemSelectedListener
+import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.app_bar_main.*
+
+class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener {
+
+    private val model: MainViewModel by viewModels()
+    private val nfcManager = NfcManager()
+
+    private lateinit var nav: NavController
+
+    private var reallyExit = false
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        model.paymentManager.payment.observe(this, Observer { payment ->
+            payment?.talerPayUri?.let {
+                nfcManager.setTagString(it)
+            }
+        })
+
+        val navHostFragment =
+            supportFragmentManager.findFragmentById(R.id.navHostFragment) as NavHostFragment
+        nav = navHostFragment.navController
+
+        nav_view.setupWithNavController(nav)
+        nav_view.setNavigationItemSelectedListener(this)
+
+        setSupportActionBar(toolbar)
+        val appBarConfiguration = AppBarConfiguration(nav.graph, drawer_layout)
+        toolbar.setupWithNavController(nav, appBarConfiguration)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        if (!model.configManager.config.isValid() && nav.currentDestination?.id != R.id.nav_settings) {
+            nav.navigate(R.id.action_global_merchantSettings)
+        } else if (model.configManager.merchantConfig == null && nav.currentDestination?.id != R.id.configFetcher) {
+            nav.navigate(R.id.action_global_configFetcher)
+        }
+    }
+
+    public override fun onResume() {
+        super.onResume()
+        // TODO should we only read tags when a payment is to be made?
+        NfcManager.start(this, nfcManager)
+    }
+
+    public override fun onPause() {
+        super.onPause()
+        NfcManager.stop(this)
+    }
+
+    override fun onNavigationItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.nav_order -> nav.navigate(R.id.action_global_order)
+            R.id.nav_history -> nav.navigate(R.id.action_global_merchantHistory)
+            R.id.nav_settings -> nav.navigate(R.id.action_global_merchantSettings)
+        }
+        drawer_layout.closeDrawer(START)
+        return true
+    }
+
+    override fun onBackPressed() {
+        val currentDestination = nav.currentDestination?.id
+        if (drawer_layout.isDrawerOpen(START)) {
+            drawer_layout.closeDrawer(START)
+        } else if (currentDestination == R.id.nav_settings && !model.configManager.config.isValid()) {
+            // we are in the configuration screen and need a config to continue
+            val intent = Intent(ACTION_MAIN).apply {
+                addCategory(CATEGORY_HOME)
+                flags = FLAG_ACTIVITY_NEW_TASK
+            }
+            startActivity(intent)
+        } else if (currentDestination == R.id.nav_order) {
+            if (reallyExit) super.onBackPressed()
+            else {
+                // this closes the app and causes orders to be lost, so let's confirm first
+                reallyExit = true
+                Toast.makeText(this, R.string.toast_back_to_exit, LENGTH_SHORT).show()
+                Handler().postDelayed({ reallyExit = false }, 3000)
+            }
+        } else super.onBackPressed()
+    }
+
+}
-- 
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