Fix path indicator on SettingsActivity

This commit is contained in:
Andrew 2024-06-28 18:43:00 +09:30
parent 8cc7e65abf
commit 0ebbd35031

View File

@ -26,6 +26,7 @@ import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.runtime.Composable
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
@ -39,6 +40,13 @@ import androidx.lifecycle.lifecycleScope
import androidx.localbroadcastmanager.content.LocalBroadcastManager
import dagger.hilt.android.AndroidEntryPoint
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.channels.awaitClose
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.callbackFlow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.mapLatest
import kotlinx.coroutines.flow.onStart
import kotlinx.coroutines.flow.startWith
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import network.loki.messenger.BuildConfig
@ -408,11 +416,7 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
Spacer(modifier = Modifier.height(LocalDimensions.current.itemSpacing))
var hasPaths by remember {
mutableStateOf(false)
}
CheckPaths { hasPaths = it }
val hasPaths by hasPaths().collectAsState(initial = false)
Cell {
Column {
@ -441,31 +445,16 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
}
}
}
}
@Composable
fun CheckPaths(setHasPaths: (Boolean) -> Unit) {
val context = LocalContext.current
val manager = LocalBroadcastManager.getInstance(context)
fun update() {
lifecycleScope.launch {
val paths = withContext(Dispatchers.IO) { OnionRequestAPI.paths }
setHasPaths(paths.isNotEmpty())
}
}
fun addReceiver(action: String): BroadcastReceiver = createReceiver { update() }.also { manager.registerReceiver(it, IntentFilter(action)) }
val receivers = listOf("buildingPaths", "pathsBuilt").map(::addReceiver)
DisposableEffect(Unit) {
onDispose {
receivers.forEach(manager::unregisterReceiver)
}
}
private fun Context.hasPaths(): Flow<Boolean> = LocalBroadcastManager.getInstance(this).hasPaths()
private fun LocalBroadcastManager.hasPaths(): Flow<Boolean> = callbackFlow {
val receiver: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) { trySend(Unit) }
}
}
fun createReceiver(update: () -> Unit) = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) { update() }
}
registerReceiver(receiver, IntentFilter("buildingPaths"))
registerReceiver(receiver, IntentFilter("pathsBuilt"))
awaitClose { unregisterReceiver(receiver) }
}.onStart { emit(Unit) }.map { OnionRequestAPI.paths.isNotEmpty() }