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NavigationFragment.kt
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NavigationFragment.kt
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/*
* Copyright (C) 2017 Wiktor Nizio
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* If you like this program, consider donating bitcoin: bc1qncxh5xs6erq6w4qz3a7xl7f50agrgn3w58dsfp
*/
package pl.org.seva.navigator.navigation
import android.Manifest
import android.annotation.SuppressLint
import android.app.Dialog
import android.content.Intent
import android.content.pm.PackageManager
import android.net.Uri
import android.os.Bundle
import android.preference.PreferenceManager
import android.provider.Settings
import android.view.*
import android.webkit.WebView
import android.widget.Button
import androidx.core.content.ContextCompat
import androidx.core.content.edit
import androidx.fragment.app.Fragment
import com.google.android.material.snackbar.Snackbar
import kotlinx.android.synthetic.main.fr_navigation.*
import pl.org.seva.navigator.R
import pl.org.seva.navigator.contact.*
import pl.org.seva.navigator.main.data.fb.fbWriter
import pl.org.seva.navigator.main.*
import pl.org.seva.navigator.main.data.db.contactDao
import pl.org.seva.navigator.main.extension.*
import pl.org.seva.navigator.main.data.*
import pl.org.seva.navigator.main.init.APP_VERSION
import pl.org.seva.navigator.main.init.instance
import pl.org.seva.navigator.profile.*
class NavigationFragment : Fragment(R.layout.fr_navigation) {
private val versionName by instance<String>(APP_VERSION)
private var isLocationPermissionGranted = false
private var dialog: Dialog? = null
private var snackbar: Snackbar? = null
private lateinit var mapHolder: MapHolder
private val navigatorModel by viewModel<NavigatorViewModel>()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setHasOptionsMenu(true)
}
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
@SuppressLint("CommitPrefEdits")
fun persistCameraPositionAndZoom() =
PreferenceManager.getDefaultSharedPreferences(context).edit {
putFloat(ZOOM_PROPERTY, mapHolder.zoom)
putFloat(LATITUDE_PROPERTY, mapHolder.lastCameraPosition.latitude.toFloat())
putFloat(LONGITUDE_PROPERTY, mapHolder.lastCameraPosition.longitude.toFloat())
}
fun ifLocationPermissionGranted(f: () -> Unit) =
checkLocationPermission(onGranted = f, onDenied = {})
fun onAddContactClicked() {
mapHolder.stopWatchingPeer()
if (!isLocationPermissionGranted) {
checkLocationPermission()
}
else if (isLoggedIn) {
nav(R.id.action_navigationFragment_to_contactsFragment)
}
else {
showLoginSnackbar()
}
}
fun deleteProfile() {
mapHolder.stopWatchingPeer()
contacts.clear()
contactDao.deleteAll()
setShortcuts()
fbWriter.deleteMe()
logout()
}
mapHolder = createMapHolder {
init(savedInstanceState, root, navigatorModel.contact.value, prefs)
checkLocationPermission = ::ifLocationPermissionGranted
persistCameraPositionAndZoom = ::persistCameraPositionAndZoom
}
add_contact_fab.setOnClickListener { onAddContactClicked() }
checkLocationPermission()
activityRecognition.stateLiveData.observe(this) { state ->
when (state) {
ActivityRecognitionObservable.STATIONARY -> hud_stationary.visibility = View.VISIBLE
ActivityRecognitionObservable.MOVING -> hud_stationary.visibility = View.GONE
}
}
navigatorModel.contact.observe(this) { contact ->
mapHolder.contact = contact
contact persist prefs
}
navigatorModel.deleteProfile.observe(this) { result ->
if (result) {
deleteProfile()
navigatorModel.deleteProfile.value = false
}
}
}
override fun onDestroy() {
super.onDestroy()
peerObservable.clearPeerListeners()
}
override fun onResume() {
super.onResume()
checkLocationPermission(
onGranted = {
snackbar?.dismiss()
if (!isLoggedIn) {
showLoginSnackbar()
}
},
onDenied = {})
requireActivity().invalidateOptionsMenu()
}
private inline fun checkLocationPermission(
onGranted: () -> Unit = ::onLocationPermissionGranted,
onDenied: () -> Unit = ::requestLocationPermission) =
if (ContextCompat.checkSelfPermission(
requireContext(),
Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
isLocationPermissionGranted = true
onGranted.invoke()
}
else { onDenied.invoke() }
override fun onCreateOptionsMenu(menu: Menu, menuInflater: MenuInflater) =
menuInflater.inflate(R.menu.navigation, menu)
override fun onPrepareOptionsMenu(menu: Menu) {
menu.findItem(R.id.action_help).isVisible =
!isLocationPermissionGranted || !isLoggedIn
menu.findItem(R.id.action_logout).isVisible = isLoggedIn
menu.findItem(R.id.action_delete_user).isVisible = isLoggedIn
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
fun help(caption: Int, file: String, action: () -> Unit): Boolean {
dialog = Dialog(requireContext()).apply {
setContentView(R.layout.dialog_help)
val web = findViewById<WebView>(R.id.web)
web.settings.defaultTextEncodingName = UTF_8
findViewById<Button>(R.id.action_button).setText(caption)
val content = requireActivity().assets.open(file).readString()
.replace(APP_VERSION_PLACEHOLDER, versionName)
.replace(APP_NAME_PLACEHOLDER, getString(R.string.app_name))
web.loadDataWithBaseURL(ASSET_DIR, content, PLAIN_TEXT, UTF_8, null)
findViewById<View>(R.id.action_button).setOnClickListener {
action()
dismiss()
}
show()
}
return true
}
fun showLocationPermissionHelp() = help(
R.string.dialog_settings_button,
HELP_LOCATION_PERMISSION_EN,
action = ::onSettingsClicked)
fun showLoginHelp() = help(R.string.dialog_login_button, HELP_LOGIN_EN, action = ::login)
return when (item.itemId) {
R.id.action_logout -> logout()
R.id.action_delete_user -> nav(R.id.action_navigationFragment_to_deleteProfileFragment)
R.id.action_help -> if (!isLocationPermissionGranted) showLocationPermissionHelp()
else if (!isLoggedIn) {
showLoginHelp()
} else true
R.id.action_settings -> nav(R.id.action_navigationFragment_to_settingsFragmentContainer)
R.id.action_credits -> nav(R.id.action_navigationFragment_to_creditsFragment)
else -> super.onOptionsItemSelected(item)
}
}
private fun onSettingsClicked() {
dialog?.dismiss()
val intent = Intent()
intent.action = Settings.ACTION_APPLICATION_DETAILS_SETTINGS
val uri = Uri.fromParts("package", requireActivity().packageName, null)
intent.data = uri
startActivity(intent)
}
private fun requestLocationPermission() {
fun showLocationPermissionSnackbar() {
snackbar = Snackbar.make(
coordinator,
R.string.snackbar_permission_request_denied,
Snackbar.LENGTH_INDEFINITE)
.setAction(R.string.snackbar_retry) { requestLocationPermission() }
.apply { show() }
}
requestPermissions(
Permissions.DEFAULT_PERMISSION_REQUEST_ID,
arrayOf(Permissions.PermissionRequest(
Manifest.permission.ACCESS_FINE_LOCATION,
onGranted = ::onLocationPermissionGranted,
onDenied = ::showLocationPermissionSnackbar)))
}
@SuppressLint("MissingPermission")
private fun onLocationPermissionGranted() {
requireActivity().invalidateOptionsMenu()
mapHolder.locationPermissionGranted()
if (isLoggedIn) {
(requireActivity().application as NavigatorApplication).startService()
}
}
private fun showLoginSnackbar() {
snackbar = Snackbar.make(
coordinator,
R.string.snackbar_please_log_in,
Snackbar.LENGTH_INDEFINITE)
.setAction(R.string.snackbar_login) { login() }
.apply { show() }
}
override fun onRequestPermissionsResult(
requestCode: Int,
requests: Array<String>,
grantResults: IntArray) =
permissions.onRequestPermissionsResult(requestCode, requests, grantResults)
private fun login() {
dialog?.dismiss()
requireActivity().loginActivity(LoginActivity.LOGIN)
}
private fun logout(): Boolean {
null persist prefs
mapHolder.stopWatchingPeer()
requireActivity().loginActivity(LoginActivity.LOGOUT)
return true
}
override fun onSaveInstanceState(outState: Bundle) {
outState.putParcelable(SAVED_PEER_LOCATION, mapHolder.peerLocation)
super.onSaveInstanceState(outState)
}
companion object {
private const val UTF_8 = "UTF-8"
private const val ASSET_DIR = "file:///android_asset/"
private const val PLAIN_TEXT = "text/html"
private const val APP_VERSION_PLACEHOLDER = "[app_version]"
private const val APP_NAME_PLACEHOLDER = "[app_name]"
private const val HELP_LOCATION_PERMISSION_EN = "help_location_permission_en.html"
private const val HELP_LOGIN_EN = "help_login_en.html"
const val SAVED_PEER_LOCATION = "saved_peer_location"
const val ZOOM_PROPERTY = "navigation_map_zoom"
const val LATITUDE_PROPERTY = "navigation_map_latitude"
const val LONGITUDE_PROPERTY = "navigation_map_longitude"
const val DEFAULT_ZOOM = 7.5f
}
}