Merge pull request #12 from matejdro/timeline_actions

add TimelineService for timeline action callbacks

Author: crc-32

src/commonMain/kotlin/io/rebble/libpebblecommon/services/blobdb/TimelineService.kt

@@ -0,0 +1,45 @@
+package io.rebble.libpebblecommon.services.blobdb
+
+import io.rebble.libpebblecommon.ProtocolHandler
+import io.rebble.libpebblecommon.packets.blobdb.TimelineAction
+import io.rebble.libpebblecommon.packets.blobdb.TimelineItem
+import io.rebble.libpebblecommon.protocolhelpers.PebblePacket
+import io.rebble.libpebblecommon.protocolhelpers.ProtocolEndpoint
+import io.rebble.libpebblecommon.services.ProtocolService
+
+/**
+ * Singleton that handles receiving of timeline actions.
+ *
+ * Consumer must set [actionHandler] that will then be called whenever user triggers timeline pin
+ * action.
+ */
+class TimelineService(private val protocolHandler: ProtocolHandler) : ProtocolService {
+    var actionHandler: (suspend (TimelineAction.InvokeAction) -> ActionResponse)? = null
+
+    init {
+        protocolHandler.registerReceiveCallback(ProtocolEndpoint.TIMELINE_ACTIONS, this::receive)
+    }
+
+
+    suspend fun receive(packet: PebblePacket) {
+        if (packet !is TimelineAction.InvokeAction) {
+            throw IllegalStateException("Received invalid packet type: $packet")
+        }
+
+        val result = actionHandler?.invoke(packet) ?: return
+
+        val returnPacket = TimelineAction.ActionResponse().apply {
+            itemID.set(packet.itemID.get())
+            response.set(if (result.success) 0u else 1u)
+            numAttributes.set(result.attributes.size.toUByte())
+            attributes.list = result.attributes
+        }
+
+        protocolHandler.send(returnPacket)
+    }
+
+    class ActionResponse(
+        val success: Boolean,
+        val attributes: List<TimelineItem.Attribute> = emptyList()
+    )
+}

src/commonMain/kotlin/io/rebble/libpebblecommon/structmapper/types.kt

@@ -333,7 +333,6 @@ class SFixedList<T : Mappable>(
 
     private val mapIndex = mapper.register(this)
     var list = default
-        private set
 
     init {
         if (count != default.size) throw PacketEncodeException("Fixed list count does not match default value count")