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Code Issues Actions Releases 12 Activity

ref #5: Set alignment of absolute wind direction field, add preview mode

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This commit is contained in:
Tim Kluge 2024-12-13 23:19:20 +01:00
parent 23dc550e5a
commit 223157a3f8
2 changed files with 80 additions and 32 deletions
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36
app/src/main/kotlin/de/timklge/karooheadwind/datatypes/HeadwindDirectionDataType.kt
View File

@ -8,6 +8,7 @@ import androidx.glance.appwidget.ExperimentalGlanceRemoteViewsApi
import androidx.glance.appwidget.GlanceRemoteViews
import de.timklge.karooheadwind.KarooHeadwindExtension
import de.timklge.karooheadwind.OpenMeteoCurrentWeatherResponse
import de.timklge.karooheadwind.OpenMeteoData
import de.timklge.karooheadwind.getRelativeHeadingFlow
import de.timklge.karooheadwind.screens.HeadwindSettings
import de.timklge.karooheadwind.streamCurrentWeatherData
@ -25,8 +26,11 @@ import io.hammerhead.karooext.models.ViewConfig
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.awaitCancellation
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.combine
import kotlinx.coroutines.flow.filter
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.mapNotNull
import kotlinx.coroutines.flow.onCompletion
import kotlinx.coroutines.launch
@ -53,6 +57,21 @@ class HeadwindDirectionDataType(
}
}
data class StreamData(val value: Double, val windSpeed: Double, val settings: HeadwindSettings)
private fun previewFlow(): Flow<StreamData> {
return flow {
while (true) {
val bearing = (0..360).random().toDouble()
val windSpeed = (-20..20).random()
emit(StreamData(bearing, windSpeed.toDouble(), HeadwindSettings()))
delay(2_000)
}
}
}
override fun startView(context: Context, config: ViewConfig, emitter: ViewEmitter) {
Log.d(KarooHeadwindExtension.TAG, "Starting headwind direction view with $emitter")
@ -66,21 +85,26 @@ class HeadwindDirectionDataType(
awaitCancellation()
}
data class StreamData(val value: Double, val data: OpenMeteoCurrentWeatherResponse, val settings: HeadwindSettings)
val viewJob = CoroutineScope(Dispatchers.IO).launch {
val flow = if (config.preview) {
previewFlow()
} else {
karooSystem.streamDataFlow(dataTypeId)
.mapNotNull { (it as? StreamState.Streaming)?.dataPoint?.singleValue }
.combine(context.streamCurrentWeatherData()) { value, data -> value to data }
.combine(context.streamSettings(karooSystem)) { (value, data), settings -> StreamData(value, data, settings) }
.onCompletion {
.combine(context.streamSettings(karooSystem)) { (value, data), settings ->
StreamData(value, data.current.windSpeed, settings)
}
}
val viewJob = CoroutineScope(Dispatchers.IO).launch {
flow.onCompletion {
// Clear view on completion
val result = glance.compose(context, DpSize.Unspecified) { }
emitter.updateView(result.remoteViews)
}
.collect { streamData ->
Log.d(KarooHeadwindExtension.TAG, "Updating headwind direction view")
val windSpeed = streamData.data.current.windSpeed
val windSpeed = streamData.windSpeed
val windDirection = streamData.value
val headwindSpeed = cos( (windDirection + 180) * Math.PI / 180.0) * windSpeed
val windSpeedText = headwindSpeed.roundToInt().toString()

32
app/src/main/kotlin/de/timklge/karooheadwind/datatypes/WindDirectionDataType.kt
View File

@ -27,6 +27,11 @@ import io.hammerhead.karooext.models.ViewConfig
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.awaitCancellation
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.mapNotNull
import kotlinx.coroutines.flow.onCompletion
import kotlinx.coroutines.launch
import kotlin.math.roundToInt
@ -39,6 +44,15 @@ class WindDirectionDataType(val karooSystem: KarooSystemService, context: Contex
return data.current.windDirection
}
private fun previewFlow(): Flow<Double> {
return flow {
while (true) {
emit((0..360).random().toDouble())
delay(1_000)
}
}
}
@OptIn(ExperimentalGlanceRemoteViewsApi::class)
override fun startView(context: Context, config: ViewConfig, emitter: ViewEmitter) {
val configJob = CoroutineScope(Dispatchers.IO).launch {
@ -47,13 +61,19 @@ class WindDirectionDataType(val karooSystem: KarooSystemService, context: Contex
}
val viewJob = CoroutineScope(Dispatchers.IO).launch {
val flow = if (config.preview){
previewFlow()
} else {
karooSystem.streamDataFlow(dataTypeId)
.mapNotNull { (it as? StreamState.Streaming)?.dataPoint?.singleValue ?: 0.0 }
}
flow
.onCompletion {
val result = glance.compose(context, DpSize.Unspecified) { }
emitter.updateView(result.remoteViews)
}
.collect {
val windBearing = (it as? StreamState.Streaming)?.dataPoint?.singleValue?.toInt() ?: 0
.collect { windBearing ->
val windCardinalDirection = ((windBearing % 360) / 45.0).roundToInt() % 8
val text = when(windCardinalDirection){
0 -> "N"
@ -71,10 +91,14 @@ class WindDirectionDataType(val karooSystem: KarooSystemService, context: Contex
Box(modifier = GlanceModifier.fillMaxSize(),
contentAlignment = Alignment(
vertical = Alignment.Vertical.Top,
horizontal = Alignment.Horizontal.End,
horizontal = when(config.alignment){
ViewConfig.Alignment.LEFT -> Alignment.Horizontal.Start
ViewConfig.Alignment.CENTER -> Alignment.Horizontal.CenterHorizontally
ViewConfig.Alignment.RIGHT -> Alignment.Horizontal.End
},
)) {
Text(text, style = TextStyle(color = ColorProvider(Color.Black, Color.White), fontFamily = FontFamily.Monospace, fontSize = TextUnit(
config.textSize.toFloat(), TextUnitType.Sp) /* FIXME: Read data field alignment config, karoo-ext #10 */))
config.textSize.toFloat(), TextUnitType.Sp)))
}
}
emitter.updateView(result.remoteViews)