248 lines
11 KiB
Kotlin
248 lines
11 KiB
Kotlin
package be.mygod.vpnhotspot
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import android.content.ComponentName
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import android.content.Context
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import android.content.Intent
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import android.content.ServiceConnection
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import android.databinding.BaseObservable
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import android.databinding.Bindable
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import android.databinding.DataBindingUtil
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import android.net.wifi.p2p.WifiP2pDevice
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import android.net.wifi.p2p.WifiP2pGroup
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import android.os.Bundle
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import android.os.IBinder
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import android.support.v4.app.Fragment
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import android.support.v4.content.ContextCompat
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import android.support.v4.content.LocalBroadcastManager
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import android.support.v7.app.AlertDialog
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import android.support.v7.app.AppCompatDialog
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import android.support.v7.recyclerview.extensions.ListAdapter
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import android.support.v7.util.DiffUtil
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import android.support.v7.widget.DefaultItemAnimator
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import android.support.v7.widget.LinearLayoutManager
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import android.support.v7.widget.RecyclerView
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import android.support.v7.widget.Toolbar
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import android.view.*
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import android.widget.EditText
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import be.mygod.vpnhotspot.databinding.FragmentRepeaterBinding
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import be.mygod.vpnhotspot.databinding.ListitemClientBinding
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import be.mygod.vpnhotspot.net.IpNeighbour
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import be.mygod.vpnhotspot.net.IpNeighbourMonitor
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import be.mygod.vpnhotspot.net.ConnectivityManagerHelper
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import be.mygod.vpnhotspot.net.TetherType
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import java.net.NetworkInterface
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import java.net.SocketException
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import java.util.*
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class RepeaterFragment : Fragment(), ServiceConnection, Toolbar.OnMenuItemClickListener, IpNeighbourMonitor.Callback {
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inner class Data : BaseObservable() {
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val switchEnabled: Boolean
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@Bindable get() = when (binder?.service?.status) {
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RepeaterService.Status.IDLE, RepeaterService.Status.ACTIVE -> true
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else -> false
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}
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var serviceStarted: Boolean
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@Bindable get() = when (binder?.service?.status) {
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RepeaterService.Status.STARTING, RepeaterService.Status.ACTIVE -> true
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else -> false
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}
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set(value) {
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val binder = binder
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when (binder?.service?.status) {
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RepeaterService.Status.IDLE ->
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if (value) {
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val context = context!!
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ContextCompat.startForegroundService(context, Intent(context, RepeaterService::class.java))
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}
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RepeaterService.Status.ACTIVE -> if (!value) binder.shutdown()
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else -> { }
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}
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}
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val ssid @Bindable get() = binder?.service?.ssid ?: getText(R.string.repeater_inactive)
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val password @Bindable get() = binder?.service?.password ?: ""
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val addresses @Bindable get(): String {
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return try {
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NetworkInterface.getByName(p2pInterface ?: return "")?.formatAddresses() ?: ""
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} catch (e: SocketException) {
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e.printStackTrace()
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""
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}
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}
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fun onStatusChanged() {
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notifyPropertyChanged(BR.switchEnabled)
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notifyPropertyChanged(BR.serviceStarted)
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val binder = binder
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onGroupChanged(if (binder?.active == true) binder.service.group else null)
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}
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fun onGroupChanged(group: WifiP2pGroup?) {
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notifyPropertyChanged(BR.ssid)
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notifyPropertyChanged(BR.password)
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p2pInterface = group?.`interface`
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notifyPropertyChanged(BR.addresses)
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adapter.p2p = group?.clientList ?: emptyList()
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adapter.recreate()
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}
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val statusListener = broadcastReceiver { _, _ -> onStatusChanged() }
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}
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inner class Client(p2p: WifiP2pDevice? = null, neighbour: IpNeighbour? = null) {
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val iface = neighbour?.dev ?: p2pInterface!!
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val mac = p2p?.deviceAddress ?: neighbour?.lladdr!!
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val ip = TreeMap<String, IpNeighbour.State>()
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val icon get() = TetherType.ofInterface(iface, p2pInterface).icon
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val title get() = "$mac%$iface"
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val description get() = ip.entries.joinToString("\n") { (ip, state) ->
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getString(when (state) {
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IpNeighbour.State.INCOMPLETE -> R.string.connected_state_incomplete
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IpNeighbour.State.VALID -> R.string.connected_state_valid
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IpNeighbour.State.FAILED -> R.string.connected_state_failed
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else -> throw IllegalStateException("Invalid IpNeighbour.State: $state")
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}, ip)
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}
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override fun equals(other: Any?): Boolean {
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if (this === other) return true
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if (javaClass != other?.javaClass) return false
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other as Client
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if (iface != other.iface) return false
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if (mac != other.mac) return false
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if (ip != other.ip) return false
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return true
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}
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override fun hashCode() = Objects.hash(iface, mac, ip)
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}
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private object ClientDiffCallback : DiffUtil.ItemCallback<Client>() {
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override fun areItemsTheSame(oldItem: Client, newItem: Client) =
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oldItem.iface == newItem.iface && oldItem.mac == newItem.mac
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override fun areContentsTheSame(oldItem: Client, newItem: Client) = oldItem == newItem
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}
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private class ClientViewHolder(val binding: ListitemClientBinding) : RecyclerView.ViewHolder(binding.root)
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private inner class ClientAdapter : ListAdapter<Client, ClientViewHolder>(ClientDiffCallback) {
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var p2p: Collection<WifiP2pDevice> = emptyList()
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var neighbours = emptyList<IpNeighbour>()
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fun recreate() {
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val p2p = HashMap(p2p.associateBy({ Pair(p2pInterface, it.deviceAddress) }, { Client(it) }))
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for (neighbour in neighbours) {
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val key = Pair(neighbour.dev, neighbour.lladdr)
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var client = p2p[key]
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if (client == null) {
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if (!tetheredInterfaces.contains(neighbour.dev)) continue
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client = Client(neighbour = neighbour)
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p2p[key] = client
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}
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client.ip += Pair(neighbour.ip, neighbour.state)
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}
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submitList(p2p.values.sortedWith(compareBy<Client> { it.iface }.thenBy { it.mac }))
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binding.swipeRefresher.isRefreshing = false
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) =
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ClientViewHolder(ListitemClientBinding.inflate(LayoutInflater.from(parent.context)))
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override fun onBindViewHolder(holder: ClientViewHolder, position: Int) {
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holder.binding.client = getItem(position)
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holder.binding.executePendingBindings()
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}
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}
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private lateinit var binding: FragmentRepeaterBinding
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private val data = Data()
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private val adapter = ClientAdapter()
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private var binder: RepeaterService.RepeaterBinder? = null
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private var p2pInterface: String? = null
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private var tetheredInterfaces = emptySet<String>()
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private val receiver = broadcastReceiver { _, intent ->
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tetheredInterfaces = ConnectivityManagerHelper.getTetheredIfaces(intent.extras).toSet()
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adapter.recreate()
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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binding = DataBindingUtil.inflate(inflater, R.layout.fragment_repeater, container, false)
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binding.data = data
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binding.clients.layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
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binding.clients.itemAnimator = DefaultItemAnimator()
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binding.clients.adapter = adapter
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binding.swipeRefresher.setColorSchemeResources(R.color.colorAccent)
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binding.swipeRefresher.setOnRefreshListener {
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IpNeighbourMonitor.instance?.flush()
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adapter.recreate()
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}
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binding.toolbar.inflateMenu(R.menu.repeater)
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binding.toolbar.setOnMenuItemClickListener(this)
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return binding.root
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}
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override fun onStart() {
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super.onStart()
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val context = context!!
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context.bindService(Intent(context, RepeaterService::class.java), this, Context.BIND_AUTO_CREATE)
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IpNeighbourMonitor.registerCallback(this)
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context.registerReceiver(receiver, intentFilter(ConnectivityManagerHelper.ACTION_TETHER_STATE_CHANGED))
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}
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override fun onStop() {
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val context = context!!
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context.unregisterReceiver(receiver)
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IpNeighbourMonitor.unregisterCallback(this)
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onServiceDisconnected(null)
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context.unbindService(this)
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super.onStop()
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}
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override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
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val binder = service as RepeaterService.RepeaterBinder
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binder.data = data
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this.binder = binder
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data.onStatusChanged()
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LocalBroadcastManager.getInstance(context!!)
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.registerReceiver(data.statusListener, intentFilter(RepeaterService.ACTION_STATUS_CHANGED))
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}
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override fun onServiceDisconnected(name: ComponentName?) {
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binder?.data = null
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binder = null
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LocalBroadcastManager.getInstance(context!!).unregisterReceiver(data.statusListener)
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data.onStatusChanged()
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}
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override fun onMenuItemClick(item: MenuItem) = when (item.itemId) {
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R.id.wps -> if (binder?.active == true) {
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val dialog = AlertDialog.Builder(context!!)
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.setTitle(R.string.repeater_wps_dialog_title)
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.setView(R.layout.dialog_wps)
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.setPositiveButton(android.R.string.ok, { dialog, _ -> binder?.startWps((dialog as AppCompatDialog)
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.findViewById<EditText>(android.R.id.edit)!!.text.toString()) })
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.setNegativeButton(android.R.string.cancel, null)
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.setNeutralButton(R.string.repeater_wps_dialog_pbc, { _, _ -> binder?.startWps(null) })
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.create()
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dialog.window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE)
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dialog.show()
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true
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} else false
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R.id.resetGroup -> {
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AlertDialog.Builder(context!!)
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.setTitle(R.string.repeater_reset_credentials)
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.setMessage(getString(R.string.repeater_reset_credentials_dialog_message))
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.setPositiveButton(R.string.repeater_reset_credentials_dialog_reset,
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{ _, _ -> binder?.resetCredentials() })
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.setNegativeButton(android.R.string.cancel, null)
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.show()
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true
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}
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else -> false
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}
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override fun onIpNeighbourAvailable(neighbours: Map<String, IpNeighbour>) {
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adapter.neighbours = neighbours.values.toList()
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}
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override fun postIpNeighbourAvailable() = adapter.recreate()
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}
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