Meshtastic-Android/app/src/main/java/com/geeksville/mesh/service/BluetoothStateReceiver.kt

package com.geeksville.mesh.service

import android.bluetooth.BluetoothAdapter
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import com.geeksville.util.exceptionReporter

/**
 * A helper class to call onChanged when bluetooth is enabled or disabled
 */
class BluetoothStateReceiver(val onChanged: (Boolean) -> Unit) : BroadcastReceiver() {
    val intent =
        IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED) // Can be used for registering

    override fun onReceive(context: Context, intent: Intent) =
        exceptionReporter {
            if (intent.action == BluetoothAdapter.ACTION_STATE_CHANGED) {
                when (intent.getIntExtra(
                    BluetoothAdapter.EXTRA_STATE,
                    -1
                )) {
                    // Simulate a disconnection if the user disables bluetooth entirely
                    BluetoothAdapter.STATE_OFF -> onChanged(
                        false
                    )
                    BluetoothAdapter.STATE_ON -> onChanged(true)
                }
            }
        }
}