ref: ece2d164cf08f2544955a5a1b367e0030707302a
app/src/main/java/xyz/apiote/bimba/czwek/departures/DeparturesActivity.kt
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// SPDX-FileCopyrightText: Adam Evyčędo // // SPDX-License-Identifier: GPL-3.0-or-later package xyz.apiote.bimba.czwek.departures import android.content.Intent import android.os.Bundle import android.os.Handler import android.os.Looper import android.view.View import androidx.appcompat.app.AppCompatActivity import androidx.appcompat.content.res.AppCompatResources import androidx.core.content.res.ResourcesCompat import androidx.core.view.WindowCompat import androidx.lifecycle.ViewModelProvider import androidx.recyclerview.widget.LinearLayoutManager import androidx.recyclerview.widget.RecyclerView import kotlinx.coroutines.Runnable import xyz.apiote.bimba.czwek.R import xyz.apiote.bimba.czwek.api.Error import xyz.apiote.bimba.czwek.databinding.ActivityDeparturesBinding import xyz.apiote.bimba.czwek.repo.Departure import xyz.apiote.bimba.czwek.repo.Stop class DeparturesActivity : AppCompatActivity() { private var _binding: ActivityDeparturesBinding? = null private val binding get() = _binding!! private lateinit var adapter: BimbaDeparturesAdapter private val handler = Handler(Looper.getMainLooper()) private var runnable = Runnable {} private var openBottomSheet: DepartureBottomSheet? = null private lateinit var viewModel: DeparturesViewModel override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) _binding = ActivityDeparturesBinding.inflate(layoutInflater) setContentView(binding.root) viewModel = ViewModelProvider(this)[DeparturesViewModel::class.java] viewModel.departures.observe(this){stopDepartures -> updateItems(stopDepartures.departures, stopDepartures.stop) openBottomSheet?.departureID()?.let { adapter.get(it) }?.let { openBottomSheet?.update(it) } } viewModel.error.observe(this) { showError(it) } binding.collapsingLayout.apply { title = getName() val tf = ResourcesCompat.getFont(this@DeparturesActivity, R.font.yellowcircle8) setCollapsedTitleTypeface(tf) setExpandedTitleTypeface(tf) } binding.departuresRecycler.layoutManager = LinearLayoutManager(this) binding.departuresRecycler.addOnScrollListener( object : RecyclerView.OnScrollListener() { override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) { super.onScrolled(recyclerView, dx, dy) val llm = binding.departuresRecycler.layoutManager as LinearLayoutManager val dataLength = adapter.itemCount if (llm.findLastCompletelyVisibleItemPosition() == dataLength - 1) { if (!viewModel.allItemsRequested) { viewModel.requestedItemsNumber += 12 getDepartures() } } } } ) adapter = BimbaDeparturesAdapter(layoutInflater, this, listOf()) { DepartureBottomSheet(it).apply { show(supportFragmentManager, DepartureBottomSheet.TAG) openBottomSheet = this setOnCancel { openBottomSheet = null } } } binding.departuresRecycler.adapter = adapter WindowCompat.setDecorFitsSystemWindows(window, false) } override fun onResume() { super.onResume() getDepartures() } override fun onPause() { super.onPause() handler.removeCallbacks(runnable) } private fun getName(): String { return when (intent?.action) { Intent.ACTION_VIEW -> getCode() null -> intent?.extras?.getString("name") ?: "" else -> "" } } private fun getCode(): String { @Suppress("SpellCheckingInspection") return when (intent?.action) { Intent.ACTION_VIEW -> { when (intent?.data?.host) { "www.peka.poznan.pl" -> intent?.data?.getQueryParameter("przystanek") ?: "" "rj.metropoliaztm.pl" -> intent?.data?.lastPathSegment ?: "" else -> "" } } null -> intent?.extras?.getString("code") ?: "" else -> "" } } private fun getFeedID(): String { return when (intent?.action) { Intent.ACTION_VIEW -> { @Suppress("SpellCheckingInspection") return when (intent?.data?.host) { "www.peka.poznan.pl" -> "poznan_ztm" "rj.metropoliaztm.pl" -> "gzm_ztm" else -> "" } } null -> { intent?.extras?.getString("feedID") ?: "" } else -> "" } } private fun getLine(): String? { return when (intent?.action) { null -> intent?.extras?.getString("line") else -> null } } fun getDepartures() { adapter.refreshItems() viewModel.getDepartures(this, getFeedID(), getCode(), getLine()) handler.removeCallbacks(runnable) runnable = Runnable { getDepartures() } handler.postDelayed(runnable, 30 * 1000) } private fun showError(error: Error) { binding.departuresProgress.visibility = View.GONE binding.departuresRecycler.visibility = View.GONE binding.errorImage.visibility = View.VISIBLE binding.errorText.visibility = View.VISIBLE binding.errorText.text = getString(error.stringResource) binding.errorImage.setImageDrawable(AppCompatResources.getDrawable(this, error.imageResource)) } private fun updateItems(departures: List<Departure>, stop: Stop) { binding.departuresProgress.visibility = View.GONE adapter.update(departures) binding.collapsingLayout.apply { title = stop.name } if (departures.isEmpty()) { binding.errorImage.visibility = View.VISIBLE binding.errorText.visibility = View.VISIBLE binding.departuresRecycler.visibility = View.GONE binding.errorText.text = getString(R.string.no_departures) binding.errorImage.setImageDrawable( AppCompatResources.getDrawable( this, R.drawable.error_search ) ) } else { if (departures.size < viewModel.requestedItemsNumber) { viewModel.allItemsRequested = true } binding.departuresOverlay.visibility = View.GONE binding.errorImage.visibility = View.GONE binding.errorText.visibility = View.GONE binding.departuresRecycler.visibility = View.VISIBLE } // todo [3.2; traffic] alerts // todo [3.2; traffic] stop info } } |