feat: add DeviceConfig RebroadcastMode descriptions

app/src/main/java/com/geeksville/mesh/ui/components/DropDownPreference.kt

@@ -22,6 +22,27 @@ import androidx.compose.ui.tooling.preview.Preview
 import com.geeksville.mesh.R
 import com.google.protobuf.ProtocolMessageEnum
 
+@Composable
+fun <T : Enum<T>> DropDownPreference(
+    title: String,
+    enabled: Boolean,
+    selectedItem: T,
+    onItemSelected: (T) -> Unit,
+    modifier: Modifier = Modifier,
+    summary: String? = null,
+) {
+    DropDownPreference(
+        title = title,
+        enabled = enabled,
+        items = selectedItem.declaringJavaClass.enumConstants
+            ?.filter { it.name != "UNRECOGNIZED" }?.map { it to it.name } ?: emptyList(),
+        selectedItem = selectedItem,
+        onItemSelected = onItemSelected,
+        modifier = modifier,
+        summary = summary,
+    )
+}
+
 @Composable
 fun <T> DropDownPreference(
     title: String,

app/src/main/java/com/geeksville/mesh/ui/components/config/DeviceConfigItemList.kt

@@ -45,6 +45,17 @@ private val DeviceConfig.Role.stringRes: Int
         else -> R.string.unrecognized
     }
 
+private val DeviceConfig.RebroadcastMode.stringRes: Int
+    get() = when (this) {
+        DeviceConfig.RebroadcastMode.ALL -> R.string.rebroadcast_mode_all
+        DeviceConfig.RebroadcastMode.ALL_SKIP_DECODING -> R.string.rebroadcast_mode_all_skip_decoding
+        DeviceConfig.RebroadcastMode.LOCAL_ONLY -> R.string.rebroadcast_mode_local_only
+        DeviceConfig.RebroadcastMode.KNOWN_ONLY -> R.string.rebroadcast_mode_known_only
+        DeviceConfig.RebroadcastMode.NONE -> R.string.rebroadcast_mode_none
+        DeviceConfig.RebroadcastMode.CORE_PORTNUMS_ONLY -> R.string.rebroadcast_mode_core_portnums_only
+        else -> R.string.unrecognized
+    }
+
 @Composable
 fun DeviceConfigScreen(
     viewModel: RadioConfigViewModel = hiltViewModel(),
@@ -83,14 +94,13 @@ fun DeviceConfigItemList(
         item { PreferenceCategory(text = "Device Config") }
 
         item {
-            DropDownPreference(title = "Role",
-                summary = stringResource(id = deviceInput.role.stringRes),
+            DropDownPreference(
+                title = "Role",
                 enabled = enabled,
-                items = DeviceConfig.Role.entries
-                    .filter { it != DeviceConfig.Role.UNRECOGNIZED }
-                    .map { it to it.name },
                 selectedItem = deviceInput.role,
-                onItemSelected = { deviceInput = deviceInput.copy { role = it } })
+                onItemSelected = { deviceInput = deviceInput.copy { role = it } },
+                summary = stringResource(id = deviceInput.role.stringRes),
+            )
         }
         item { Divider() }
 
@@ -115,13 +125,13 @@ fun DeviceConfigItemList(
         }
 
         item {
-            DropDownPreference(title = "Rebroadcast mode",
+            DropDownPreference(
+                title = "Rebroadcast mode",
                 enabled = enabled,
-                items = DeviceConfig.RebroadcastMode.entries
-                    .filter { it != DeviceConfig.RebroadcastMode.UNRECOGNIZED }
-                    .map { it to it.name },
                 selectedItem = deviceInput.rebroadcastMode,
-                onItemSelected = { deviceInput = deviceInput.copy { rebroadcastMode = it } })
+                onItemSelected = { deviceInput = deviceInput.copy { rebroadcastMode = it } },
+                summary = stringResource(id = deviceInput.rebroadcastMode.stringRes),
+            )
         }
         item { Divider() }
 

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

@@ -57,6 +57,13 @@
     <string name="role_lost_and_found">Broadcasts location as message to default channel regularly for to assist with device recovery.</string>
     <string name="role_tak_tracker">Enables automatic TAK PLI broadcasts and reduces routine broadcasts.</string>
 
+    <string name="rebroadcast_mode_all">Rebroadcast any observed message, if it was on our private channel or from another mesh with the same lora parameters.</string>
+    <string name="rebroadcast_mode_all_skip_decoding">Same as behavior as ALL but skips packet decoding and simply rebroadcasts them. Only available in Repeater role. Setting this on any other roles will result in ALL behavior.</string>
+    <string name="rebroadcast_mode_local_only">Ignores observed messages from foreign meshes that are open or those which it cannot decrypt. Only rebroadcasts message on the nodes local primary / secondary channels.</string>
+    <string name="rebroadcast_mode_known_only">Ignores observed messages from foreign meshes like LOCAL ONLY, but takes it step further by also ignoring messages from nodes not already in the node\'s known list.</string>
+    <string name="rebroadcast_mode_none">Only permitted for SENSOR, TRACKER and TAK_TRACKER roles, this will inhibit all rebroadcasts, not unlike CLIENT_MUTE role.</string>
+    <string name="rebroadcast_mode_core_portnums_only">Ignores packets from non-standard portnums such as: TAK, RangeTest, PaxCounter, etc. Only rebroadcasts packets with standard portnums: NodeInfo, Text, Position, Telemetry, and Routing.</string>
+
     <string name="elevation_suffix" translatable="false">MSL</string>
     <string name="channel_air_util" translatable="false">ChUtil %.1f%% AirUtilTX %.1f%%</string>