From 4a2b9532435e7f68085fa7aafdecaa07814796c1 Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Fri, 29 Jul 2022 15:09:05 +0100
Subject: [PATCH] Add BroadcastListener callback
---
.../Callbacks/BroadcastListener.swift | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Sources/ElixxirDAppsSDK/Callbacks/BroadcastListener.swift
diff --git a/Sources/ElixxirDAppsSDK/Callbacks/BroadcastListener.swift b/Sources/ElixxirDAppsSDK/Callbacks/BroadcastListener.swift
new file mode 100644
index 00000000..2b610491
--- /dev/null
+++ b/Sources/ElixxirDAppsSDK/Callbacks/BroadcastListener.swift
@@ -0,0 +1,44 @@
+import Bindings
+import XCTestDynamicOverlay
+
+public struct BroadcastListener {
+ public init(handle: @escaping (Result<BroadcastMessage, NSError>) -> Void) {
+ self.handle = handle
+ }
+
+ public var handle: (Result<BroadcastMessage, NSError>) -> Void
+}
+
+extension BroadcastListener {
+ public static let unimplemented = BroadcastListener(
+ handle: XCTUnimplemented("\(Self.self)")
+ )
+}
+
+extension BroadcastListener {
+ func makeBindingsBroadcastListener() -> BindingsBroadcastListenerProtocol {
+ class CallbackObject: NSObject, BindingsBroadcastListenerProtocol {
+ init(_ callback: BroadcastListener) {
+ self.callback = callback
+ }
+
+ let callback: BroadcastListener
+
+ func callback(_ p0: Data?, p1: Error?) {
+ if let error = p1 {
+ callback.handle(.failure(error as NSError))
+ } else if let data = p0 {
+ do {
+ callback.handle(.success(try BroadcastMessage.decode(data)))
+ } catch {
+ callback.handle(.failure(error as NSError))
+ }
+ } else {
+ fatalError("BindingsBroadcastListener received `nil` data and `nil` error")
+ }
+ }
+ }
+
+ return CallbackObject(self)
+ }
+}
--
GitLab