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Code Issues 12 Pull requests Projects Releases Wiki Activity

PageFragment: move some data to the view model

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This should advance on #4.
This commit is contained in:
dece 2022-01-25 19:32:05 +01:00
parent 4ff8e82271
commit f02220f430
2 changed files with 77 additions and 63 deletions
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96
app/src/main/java/dev/lowrespalmtree/comet/PageFragment.kt
View file

@ -19,7 +19,7 @@ import androidx.activity.addCallback
import androidx.appcompat.app.AlertDialog
import androidx.core.view.setMargins
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModelProvider
import androidx.fragment.app.viewModels
import androidx.preference.PreferenceManager
import androidx.recyclerview.widget.LinearLayoutManager
import dev.lowrespalmtree.comet.PageAdapter.ContentAdapterListener
@ -28,29 +28,30 @@ import kotlinx.coroutines.ExperimentalCoroutinesApi
@ExperimentalCoroutinesApi
class PageFragment : Fragment(), ContentAdapterListener {
private val vm: PageViewModel by viewModels()
private lateinit var binding: FragmentPageViewBinding
private lateinit var pageViewModel: PageViewModel
private lateinit var adapter: PageAdapter
/** Property to access and set the current address bar URL value. */
private var currentUrl
get() = binding.addressBar.text.toString()
set(value) = binding.addressBar.setText(value)
/** A non-saved list of visited URLs. Not an history, just used for going back. */
private val visitedUrls = mutableListOf<String>()
private var currentUrl: String
get() = vm.currentUrl
set(value) {
vm.currentUrl = value
binding.addressBar.setText(value)
}
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
Log.d(TAG, "onCreateView")
binding = FragmentPageViewBinding.inflate(layoutInflater)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
pageViewModel = ViewModelProvider(this)[PageViewModel::class.java]
Log.d(TAG, "onViewCreated")
adapter = PageAdapter(this)
binding.contentRecycler.layoutManager = LinearLayoutManager(requireContext())
binding.contentRecycler.adapter = adapter
@ -59,16 +60,20 @@ class PageFragment : Fragment(), ContentAdapterListener {
binding.contentSwipeLayout.setOnRefreshListener { openUrl(currentUrl) }
pageViewModel.state.observe(viewLifecycleOwner, { updateState(it) })
pageViewModel.lines.observe(viewLifecycleOwner, { updateLines(it) })
pageViewModel.event.observe(viewLifecycleOwner, { handleEvent(it) })
vm.state.observe(viewLifecycleOwner, { updateState(it) })
vm.lines.observe(viewLifecycleOwner, { updateLines(it) })
vm.event.observe(viewLifecycleOwner, { handleEvent(it) })
activity?.onBackPressedDispatcher?.addCallback(viewLifecycleOwner) { onBackPressed() }
val url = arguments?.getString("url")
if (!url.isNullOrEmpty()) {
Log.d(TAG, "onViewCreated: open \"$url\"")
openUrl(url)
} else if (visitedUrls.isEmpty()) {
} else if (vm.currentUrl.isNotEmpty()) {
Log.d(TAG, "onViewCreated: reuse current URL, probably fragment recreation")
} else if (vm.visitedUrls.isEmpty()) {
Log.d(TAG, "onViewCreated: no current URL, open home if configured")
Preferences.getHomeUrl(requireContext())?.let { openUrl(it) }
}
}
@ -78,9 +83,9 @@ class PageFragment : Fragment(), ContentAdapterListener {
}
private fun onBackPressed() {
if (visitedUrls.size >= 2) {
visitedUrls.removeLastOrNull() // Always remove current page first.
visitedUrls.removeLastOrNull()?.also { openUrl(it) }
if (vm.visitedUrls.size >= 2) {
vm.visitedUrls.removeLastOrNull() // Always remove current page first.
vm.visitedUrls.removeLastOrNull()?.also { openUrl(it) }
}
}
@ -127,7 +132,7 @@ class PageFragment : Fragment(), ContentAdapterListener {
prefs.getInt("connection_timeout", Request.DEFAULT_CONNECTION_TIMEOUT_SEC)
val readTimeout =
prefs.getInt("read_timeout", Request.DEFAULT_READ_TIMEOUT_SEC)
pageViewModel.sendGeminiRequest(uri, connectionTimeout, readTimeout)
vm.sendGeminiRequest(uri, connectionTimeout, readTimeout)
}
else -> openUnknownScheme(uri)
}
@ -157,37 +162,15 @@ class PageFragment : Fragment(), ContentAdapterListener {
private fun handleEvent(event: PageViewModel.Event) {
Log.d(TAG, "handleEvent: $event")
if (!event.handled) {
if (event.handled)
return
when (event) {
is PageViewModel.InputEvent -> {
val editText = EditText(requireContext())
editText.inputType = InputType.TYPE_CLASS_TEXT
val inputView = FrameLayout(requireContext()).apply {
addView(FrameLayout(requireContext()).apply {
addView(editText)
val params = FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT
)
params.setMargins(resources.getDimensionPixelSize(R.dimen.text_margin))
layoutParams = params
})
}
AlertDialog.Builder(requireContext())
.setMessage(if (event.prompt.isNotEmpty()) event.prompt else "Input required")
.setView(inputView)
.setPositiveButton(android.R.string.ok) { _, _ ->
val newUri =
event.uri.buildUpon().query(editText.text.toString()).build()
openUrl(newUri.toString(), base = currentUrl)
}
.setOnDismissListener { updateState(PageViewModel.State.IDLE) }
.create()
.show()
askForInput(event.prompt, event.uri)
}
is PageViewModel.SuccessEvent -> {
currentUrl = event.uri
visitedUrls.add(event.uri)
vm.visitedUrls.add(event.uri)
}
is PageViewModel.RedirectEvent -> {
openUrl(event.uri, base = currentUrl, redirections = event.redirects)
@ -204,7 +187,6 @@ class PageFragment : Fragment(), ContentAdapterListener {
}
event.handled = true
}
}
private fun alert(message: String, title: String? = null) {
AlertDialog.Builder(requireContext())
@ -214,6 +196,32 @@ class PageFragment : Fragment(), ContentAdapterListener {
.show()
}
private fun askForInput(prompt: String, uri: Uri) {
val editText = EditText(requireContext())
editText.inputType = InputType.TYPE_CLASS_TEXT
val inputView = FrameLayout(requireContext()).apply {
addView(FrameLayout(requireContext()).apply {
addView(editText)
val params = FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT
)
params.setMargins(resources.getDimensionPixelSize(R.dimen.text_margin))
layoutParams = params
})
}
AlertDialog.Builder(requireContext())
.setMessage(if (prompt.isNotEmpty()) prompt else "Input required")
.setView(inputView)
.setPositiveButton(android.R.string.ok) { _, _ ->
val newUri = uri.buildUpon().query(editText.text.toString()).build()
openUrl(newUri.toString(), base = currentUrl)
}
.setOnDismissListener { updateState(PageViewModel.State.IDLE) }
.create()
.show()
}
private fun openUnknownScheme(uri: Uri) {
try {
startActivity(Intent(Intent.ACTION_VIEW, uri))

8
app/src/main/java/dev/lowrespalmtree/comet/PageViewModel.kt
View file

@ -3,6 +3,7 @@ package dev.lowrespalmtree.comet
import android.net.Uri
import android.util.Log
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.SavedStateHandle
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.*
@ -13,13 +14,18 @@ import java.net.UnknownHostException
import java.nio.charset.Charset
@ExperimentalCoroutinesApi
class PageViewModel : ViewModel() {
class PageViewModel(@Suppress("unused") private val savedStateHandle: SavedStateHandle) :
ViewModel() {
var currentUrl: String = ""
private var requestJob: Job? = null
val state: MutableLiveData<State> by lazy { MutableLiveData<State>(State.IDLE) }
private var linesList = ArrayList<Line>()
val lines: MutableLiveData<List<Line>> by lazy { MutableLiveData<List<Line>>() }
val event: MutableLiveData<Event> by lazy { MutableLiveData<Event>() }
/** A non-saved list of visited URLs. Not an history, just used for going back. */
val visitedUrls = mutableListOf<String>()
enum class State {
IDLE, CONNECTING, RECEIVING
}