android: make ping peer relay aware (#714)

Updates tailscale/tailscale#17743

Signed-off-by: Jordan Whited <jordan@tailscale.com>

android/src/main/java/com/tailscale/ipn/ui/model/IpnState.kt

@@ -26,6 +26,7 @@ class IpnState {
       val Addrs: List<String>? = null,
       val CurAddr: String? = null,
       val Relay: String? = null,
+      val PeerRelay: String? = null,
       val Online: Boolean,
       val ExitNode: Boolean,
       val ExitNodeOption: Boolean,

android/src/main/java/com/tailscale/ipn/ui/util/ConnectionMode.kt

@@ -17,12 +17,15 @@ sealed class ConnectionMode {
 
   class Direct : ConnectionMode()
 
+  class PeerRelay : ConnectionMode()
+
   @Composable
   fun titleString(): String {
     return when (this) {
       is NotConnected -> stringResource(id = R.string.not_connected)
       is Derp -> stringResource(R.string.relayed_connection, relayName)
       is Direct -> stringResource(R.string.direct_connection)
+      is PeerRelay -> stringResource(R.string.peer_relayed_connection)
     }
   }
 
@@ -31,6 +34,7 @@ sealed class ConnectionMode {
       is NotConnected -> "NotConnected"
       is Derp -> "Derp($relayName)"
       is Direct -> "Direct"
+      is PeerRelay -> "PeerRelay"
     }
   }
 
@@ -38,7 +42,8 @@ sealed class ConnectionMode {
     return when (this) {
       is NotConnected -> R.drawable.xmark_circle
       is Derp -> R.drawable.link_off
-      is Direct -> R.drawable.link
+      is Direct -> R.drawable.arrow_right_alt_24px
+      is PeerRelay -> R.drawable.redo_24px
     }
   }
 
@@ -48,6 +53,7 @@ sealed class ConnectionMode {
       is NotConnected -> MaterialTheme.colorScheme.onPrimary
       is Derp -> MaterialTheme.colorScheme.error
       is Direct -> MaterialTheme.colorScheme.on
+      is PeerRelay -> MaterialTheme.colorScheme.on
     }
   }
 }

android/src/main/java/com/tailscale/ipn/ui/viewModel/PingViewModel.kt

@@ -116,9 +116,12 @@ class PingViewModel : ViewModel() {
         result.Peer?.let { map ->
           map[peer.value?.Key]?.let { peerStatus ->
             val curAddr = peerStatus.CurAddr.orEmpty()
+            val peerRelay = peerStatus.PeerRelay.orEmpty()
             val relay = peerStatus.Relay.orEmpty()
             if (curAddr.isNotEmpty()) {
               this.connectionMode.set(ConnectionMode.Direct())
+            } else if (peerRelay.isNotEmpty()) {
+              this.connectionMode.set(ConnectionMode.PeerRelay())
             } else if (relay.isNotEmpty()) {
               this.connectionMode.set(ConnectionMode.Derp(relayName = relay.uppercase()))
             }

android/src/main/res/drawable/arrow_right_alt_24px.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal"
+    android:autoMirrored="true">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M560,720L504,662L646,520L160,520L160,440L646,440L504,298L560,240L800,480L560,720Z"/>
+</vector>

android/src/main/res/drawable/redo_24px.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal"
+    android:autoMirrored="true">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M396,760Q299,760 229.5,697Q160,634 160,540Q160,446 229.5,383Q299,320 396,320L648,320L544,216L600,160L800,360L600,560L544,504L648,400L396,400Q333,400 286.5,440Q240,480 240,540Q240,600 286.5,640Q333,680 396,680L680,680L680,760L396,760Z"/>
+</vector>

android/src/main/res/values/strings.xml

@@ -303,6 +303,7 @@
     <string name="ping">Ping</string>
     <string name="relayed_connection">Relayed connection (%1$s)</string>
     <string name="direct_connection">Direct connection</string>
+    <string name="peer_relayed_connection">Peer relayed connection</string>
     <string name="pinging_node_name">Pinging %1$s</string>
     <string name="pingFailed">Ping failed</string>
     <string name="an_unknown_error_occurred_please_try_again">An unknown error occurred. Please try again.</string>