Add starting state to temp hotspot

mobile/src/main/java/be/mygod/vpnhotspot/LocalOnlyHotspotService.kt

@@ -5,10 +5,10 @@ import android.content.IntentFilter
 import android.net.wifi.WifiManager
 import androidx.annotation.RequiresApi
 import be.mygod.vpnhotspot.App.Companion.app
-import be.mygod.vpnhotspot.manage.LocalOnlyHotspotManager
-import be.mygod.vpnhotspot.net.monitor.IpNeighbourMonitor
 import be.mygod.vpnhotspot.net.TetheringManager
+import be.mygod.vpnhotspot.net.monitor.IpNeighbourMonitor
 import be.mygod.vpnhotspot.net.wifi.WifiDoubleLock
+import be.mygod.vpnhotspot.util.StickyEvent1
 import be.mygod.vpnhotspot.util.broadcastReceiver
 import be.mygod.vpnhotspot.widget.SmartSnackbar
 import timber.log.Timber
@@ -20,8 +20,16 @@ class LocalOnlyHotspotService : IpNeighbourMonitoringService() {
     }
 
     inner class Binder : android.os.Binder() {
-        var manager: LocalOnlyHotspotManager? = null
+        /**
+         * null represents IDLE, "" represents CONNECTING, "something" represents CONNECTED.
+         */
         var iface: String? = null
+            set(value) {
+                field = value
+                ifaceChanged(value)
+            }
+        val ifaceChanged = StickyEvent1 { iface }
+
         val configuration get() = reservation?.wifiConfiguration
 
         fun stop() = reservation?.close()
@@ -39,7 +47,7 @@ class LocalOnlyHotspotService : IpNeighbourMonitoringService() {
         check(ifaces.size <= 1)
         val iface = ifaces.singleOrNull()
         binder.iface = iface
-        if (iface == null) {
+        if (iface.isNullOrEmpty()) {
             unregisterReceiver()
             ServiceNotification.stopForeground(this)
             stopSelf()
@@ -50,13 +58,13 @@ class LocalOnlyHotspotService : IpNeighbourMonitoringService() {
                 IpNeighbourMonitor.registerCallback(this)
             } else check(iface == routingManager.downstream)
         }
-        app.handler.post { binder.manager?.update() }
     }
     override val activeIfaces get() = listOfNotNull(binder.iface)
 
     override fun onBind(intent: Intent?) = binder
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        binder.iface = ""
         // throws IllegalStateException if the caller attempts to start the LocalOnlyHotspot while they
         // have an outstanding request.
         // https://android.googlesource.com/platform/frameworks/opt/net/wifi/+/53e0284/service/java/com/android/server/wifi/WifiServiceImpl.java#1192
@@ -111,6 +119,7 @@ class LocalOnlyHotspotService : IpNeighbourMonitoringService() {
     }
 
     private fun startFailure() {
+        binder.iface = null
         updateNotification()
         ServiceNotification.stopForeground(this@LocalOnlyHotspotService)
         stopSelf()

mobile/src/main/java/be/mygod/vpnhotspot/manage/Data.kt

@@ -7,5 +7,6 @@ abstract class Data : BaseObservable() {
     abstract val title: CharSequence
     abstract val text: CharSequence
     abstract val active: Boolean
+    open val enabled get() = true
     open val selectable get() = true
 }

mobile/src/main/java/be/mygod/vpnhotspot/manage/LocalOnlyHotspotManager.kt

@@ -89,6 +89,7 @@ class LocalOnlyHotspotManager(private val parent: TetheringFragment) : Manager()
             return lookup[binder?.iface ?: return ""]?.formatAddresses() ?: ""
         }
         override val active get() = binder?.iface != null
+        override val enabled get() = binder?.iface != ""
         override val selectable get() = active
     }
 
@@ -110,12 +111,11 @@ class LocalOnlyHotspotManager(private val parent: TetheringFragment) : Manager()
 
     override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
         binder = service as LocalOnlyHotspotService.Binder
-        service.manager = this
-        update()
+        service.ifaceChanged[this] = { data.notifyChange() }
     }
 
     override fun onServiceDisconnected(name: ComponentName?) {
-        binder?.manager = null
+        binder?.ifaceChanged?.remove(this)
         binder = null
     }
 }

mobile/src/main/java/be/mygod/vpnhotspot/manage/LocalOnlyHotspotTileService.kt

@@ -10,11 +10,13 @@ import androidx.annotation.RequiresApi
 import androidx.core.content.ContextCompat
 import be.mygod.vpnhotspot.LocalOnlyHotspotService
 import be.mygod.vpnhotspot.R
+import be.mygod.vpnhotspot.util.KillableTileService
 import be.mygod.vpnhotspot.util.stopAndUnbind
 
 @RequiresApi(26)
-class LocalOnlyHotspotTileService : TetherListeningTileService() {
+class LocalOnlyHotspotTileService : KillableTileService() {
     private val tile by lazy { Icon.createWithResource(application, R.drawable.ic_device_wifi_tethering) }
+
     private var binder: LocalOnlyHotspotService.Binder? = null
 
     override fun onStartListening() {
@@ -29,29 +31,41 @@ class LocalOnlyHotspotTileService : TetherListeningTileService() {
 
     override fun onClick() {
         val binder = binder
-        when {
-            binder == null -> tapPending = true
-            binder.iface != null -> binder.stop()
-            else -> ContextCompat.startForegroundService(this, Intent(this, LocalOnlyHotspotService::class.java))
+        if (binder == null) tapPending = true
+        else when (binder.iface) {
+            null -> ContextCompat.startForegroundService(this, Intent(this, LocalOnlyHotspotService::class.java))
+            "" -> { }   // STARTING, ignored
+            else -> binder.stop()
         }
     }
 
     override fun onServiceConnected(name: ComponentName?, service: IBinder?) {
         binder = service as LocalOnlyHotspotService.Binder
-        updateTile()
+        service.ifaceChanged[this] = {
+            qsTile?.run {
+                icon = tile
+                when (it) {
+                    null -> {
+                        state = Tile.STATE_INACTIVE
+                        label = getText(R.string.tethering_temp_hotspot)
+                    }
+                    "" -> {
+                        state = Tile.STATE_UNAVAILABLE
+                        label = getText(R.string.tethering_temp_hotspot)
+                    }
+                    else -> {
+                        state = Tile.STATE_ACTIVE
+                        label = service.configuration!!.SSID
+                    }
+                }
+                updateTile()
+            }
+        }
         super.onServiceConnected(name, service)
     }
 
     override fun onServiceDisconnected(name: ComponentName?) {
+        binder?.ifaceChanged?.remove(this)
         binder = null
     }
-
-    override fun updateTile() {
-        qsTile?.run {
-            state = if ((binder ?: return).iface == null) Tile.STATE_INACTIVE else Tile.STATE_ACTIVE
-            icon = tile
-            label = getText(R.string.tethering_temp_hotspot)
-            updateTile()
-        }
-    }
 }

mobile/src/main/java/be/mygod/vpnhotspot/manage/TetheringFragment.kt

@@ -62,10 +62,7 @@ class TetheringFragment : Fragment(), ServiceConnection {
 
             val list = ArrayList<Manager>()
             if (RepeaterService.supported) list.add(repeaterManager)
-            if (Build.VERSION.SDK_INT >= 26) {
-                list.add(localOnlyHotspotManager)
-                localOnlyHotspotManager.update()
-            }
+            if (Build.VERSION.SDK_INT >= 26) list.add(localOnlyHotspotManager)
             list.addAll(activeIfaces.map { InterfaceManager(this@TetheringFragment, it) }.sortedBy { it.iface })
             list.add(ManageBar)
             if (Build.VERSION.SDK_INT >= 24) {

mobile/src/main/res/layout/listitem_interface.xml

@@ -55,6 +55,7 @@
             android:checked="@{data.active}"
             android:clickable="false"
             android:ellipsize="end"
+            android:enabled="@{data.enabled}"
             android:focusable="false"
             android:focusableInTouchMode="false"
             android:gravity="center_vertical"/>