Abit/app/src/main/java/ch/dissem/apps/abit/service/NodeStartupService.kt

104 lines
3.1 KiB
Kotlin

package ch.dissem.apps.abit.service
import android.app.job.JobParameters
import android.app.job.JobService
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.net.ConnectivityManager
import ch.dissem.apps.abit.notification.NetworkNotification
import ch.dissem.apps.abit.util.network
import ch.dissem.apps.abit.util.preferences
import ch.dissem.bitmessage.BitmessageContext
import ch.dissem.bitmessage.utils.Property
import org.jetbrains.anko.doAsync
/**
* Starts the full node if
* * it is active
* * it is not already running
*
* And stops it when the preconditions for the job (unmetered network) aren't met anymore.
*/
class NodeStartupService : JobService() {
private val bmc: BitmessageContext by lazy { Singleton.getBitmessageContext(this) }
private lateinit var notification: NetworkNotification
private val connectivityReceiver: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent?) {
if (bmc.isRunning() && !preferences.connectionAllowed) {
bmc.shutdown()
}
}
}
override fun onCreate() {
super.onCreate()
notification = NetworkNotification(this)
}
override fun onStartJob(params: JobParameters?): Boolean {
if (preferences.online) {
registerReceiver(
connectivityReceiver,
IntentFilter().apply {
addAction(ConnectivityManager.CONNECTIVITY_ACTION)
addAction(Intent.ACTION_BATTERY_CHANGED)
}
)
startForeground(0, notification.notification)
NodeStartupService.running = false
if (!isRunning) {
running = true
notification.connecting()
if (!bmc.isRunning()) {
bmc.startup()
}
notification.show()
}
}
return true
}
override fun onDestroy() {
if (bmc.isRunning()) {
bmc.shutdown()
}
running = false
notification.showShutdown()
doAsync {
bmc.cleanup()
}
try {
unregisterReceiver(connectivityReceiver)
} catch (_: IllegalArgumentException) {
// For some reason, onStartJob wasn't called so the receiver isn't registered.
// Let's just ignore this.
}
stopSelf()
}
/**
* Don't actually stop the service, otherwise it will be stopped after 1 or 10 minutes
* depending on Android version.
*/
override fun onStopJob(params: JobParameters?): Boolean {
network.scheduleNodeStart()
return false
}
companion object {
@Volatile
private var running = false
val isRunning: Boolean
get() = running && Singleton.bitmessageContext?.isRunning() == true
val status: Property
get() = Singleton.bitmessageContext?.status() ?: Property("bitmessage context")
}
}