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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.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.*
import net.taler.common.NfcManager
class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener {
private val model: MainViewModel by viewModels()
private val nfcManager = NfcManager()
private lateinit var nav: NavController
private var reallyExit = false
companion object {
const val TAG = "taler-pos"
}
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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