Meshtastic-Android/app/src/main/java/com/geeksville/mesh/service/MeshLocationManager.kt
James Rich 25657e8f8f
feat(wire): migrate from protobuf -> wire (#4401)
Signed-off-by: James Rich <2199651+jamesarich@users.noreply.github.com>
2026-02-04 00:01:12 +00:00

86 lines
3.3 KiB
Kotlin

/*
* Copyright (c) 2025-2026 Meshtastic LLC
*
* 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 <https://www.gnu.org/licenses/>.
*/
package com.geeksville.mesh.service
import android.annotation.SuppressLint
import android.app.Application
import androidx.core.location.LocationCompat
import co.touchlab.kermit.Logger
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.SupervisorJob
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import org.meshtastic.core.common.hasLocationPermission
import org.meshtastic.core.data.repository.LocationRepository
import org.meshtastic.core.model.Position
import javax.inject.Inject
import javax.inject.Singleton
import kotlin.time.Duration.Companion.milliseconds
import org.meshtastic.proto.Position as ProtoPosition
@Singleton
class MeshLocationManager
@Inject
constructor(
private val context: Application,
private val locationRepository: LocationRepository,
) {
private var scope: CoroutineScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
private var locationFlow: Job? = null
@SuppressLint("MissingPermission")
fun start(scope: CoroutineScope, sendPositionFn: (ProtoPosition) -> Unit) {
this.scope = scope
if (locationFlow?.isActive == true) return
if (context.hasLocationPermission()) {
locationFlow =
locationRepository
.getLocations()
.onEach { location ->
sendPositionFn(
ProtoPosition(
latitude_i = Position.degI(location.latitude),
longitude_i = Position.degI(location.longitude),
altitude =
if (LocationCompat.hasMslAltitude(location)) {
LocationCompat.getMslAltitudeMeters(location).toInt()
} else {
null
},
altitude_hae = location.altitude.toInt(),
time = (location.time.milliseconds.inWholeSeconds).toInt(),
ground_speed = location.speed.toInt(),
ground_track = location.bearing.toInt(),
location_source = ProtoPosition.LocSource.LOC_EXTERNAL,
),
)
}
.launchIn(scope)
}
}
fun stop() {
if (locationFlow?.isActive == true) {
Logger.i { "Stopping location requests" }
locationFlow?.cancel()
locationFlow = null
}
}
}