In-app message delegate iOS part

example/lib/page/home.dart

@@ -520,4 +520,9 @@ class _HomePageState extends State<HomePage> {
   void _onPushEvent(dynamic push) {
     _pushController.value = '$push\nat: ${DateTime.now().toIso8601String()}';
   }
+
+  void _onInAppMessageActionEvent(InAppMessageAction action) {
+    print('received in-app action: $action');
+  }
+
 }

ios/Classes/Data/InAppMessageAction.swift

@@ -0,0 +1,50 @@
+//
+//  InAppMessageAction.swift
+//  exponea
+//
+
+import Foundation
+import ExponeaSDK
+
+final class InAppMessageAction {
+    let message: InAppMessage
+    let button: InAppMessageButton?
+    let interaction: Bool
+
+    init(message: InAppMessage, button: InAppMessageButton?, interaction: Bool) {
+        self.message = message
+        self.button = button
+        self.interaction = interaction
+    }
+
+    func toMap() -> [String:Any?]  {
+        var data : [String:Any?] = [
+            "message": [
+                "id": message.id,
+                "name": message.name,
+                "messageType": message.messageType.rawValue,
+                "frequency": message.frequency?.rawValue,
+                "payload": message.payload != nil ? try? String(data: JSONEncoder().encode(message.payload), encoding: .utf8) : nil,
+                "variantId": message.variantId,
+                "variantName": message.variantName,
+                "trigger": try? String(data: JSONEncoder().encode(message.trigger), encoding: .utf8),
+                "dateFilter": try? String(data: JSONEncoder().encode(message.dateFilter), encoding: .utf8),
+                "loadPriority": message.priority,
+                "loadDelay": message.delayMS,
+                "closeTimeout": message.timeoutMS,
+                "payloadHtml": message.payloadHtml,
+                "isHtml": message.isHtml,
+                "hasTrackingConsent": message.hasTrackingConsent,
+                "consentCategoryTracking": message.consentCategoryTracking,
+            ],
+            "interaction": interaction,
+        ]
+        if let button {
+            data["button"] = [
+                "text": button.text,
+                "url": button.url
+            ]
+        }
+        return data
+    }
+}

ios/Classes/InAppMessageActionStreamHandler.swift

@@ -0,0 +1,58 @@
+//
+//  InAppMessageActionStreamHandler.swift
+//  exponea
+//
+
+import Foundation
+import ExponeaSDK
+import Flutter
+
+public class InAppMessageActionStreamHandler: NSObject, FlutterStreamHandler, InAppMessageActionDelegate {
+    private(set) static var currentInstance: InAppMessageActionStreamHandler = InAppMessageActionStreamHandler()
+
+    // We have to hold inAppMessage until plugin is initialized and listener set
+    private var pendingData: InAppMessageAction?
+
+    public var overrideDefaultBehavior: Bool = false
+
+    public var trackActions: Bool = true
+
+    private override init() {}
+
+    private var eventSink: FlutterEventSink?
+
+    public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
+        eventSink = events
+        if let data = pendingData {
+            if handle(action: data) {
+                pendingData = nil
+            }
+        }
+        return nil
+    }
+
+    public func onCancel(withArguments arguments: Any?) -> FlutterError? {
+        eventSink = nil
+        overrideDefaultBehavior = false
+        trackActions = true
+        return nil
+    }
+
+    public func inAppMessageAction(with message: ExponeaSDK.InAppMessage, button: ExponeaSDK.InAppMessageButton?, interaction: Bool) {
+        _ = handle(action: InAppMessageAction(
+            message: message,
+            button: button,
+            interaction: interaction
+        ))
+    }
+
+    private func handle(action: InAppMessageAction) -> Bool {
+        guard let sink = eventSink else {
+            pendingData = action
+            return false
+        }
+        sink(action.toMap())
+        return true
+    }
+
+}

ios/Classes/SwiftExponeaPlugin.swift

@@ -8,6 +8,7 @@ import WebKit
 private let channelName = "com.exponea"
 private let openedPushStreamName = "\(channelName)/opened_push"
 private let receivedPushStreamName = "\(channelName)/received_push"
+private let inAppMessagesStreamName = "\(channelName)/in_app_messages"
 
 enum METHOD_NAME: String {
     case methodConfigure = "configure"
@@ -39,6 +40,7 @@ enum METHOD_NAME: String {
     case markAppInboxAsRead = "markAppInboxAsRead"
     case fetchAppInbox = "fetchAppInbox"
     case fetchAppInboxItem = "fetchAppInboxItem"
+    case setInAppMessageActionHandler = "setInAppMessageActionHandler"
 }
 
 
@@ -232,6 +234,9 @@ public class SwiftExponeaPlugin: NSObject, FlutterPlugin {
 
         let receivedPushEventChannel = FlutterEventChannel(name: receivedPushStreamName, binaryMessenger: registrar.messenger())
         receivedPushEventChannel.setStreamHandler(ReceivedPushStreamHandler.newInstance())
+
+        let inAppMessagesChannel = FlutterEventChannel(name: inAppMessagesStreamName, binaryMessenger: registrar.messenger())
+        inAppMessagesChannel.setStreamHandler(InAppMessageActionStreamHandler.currentInstance)
 
         registrar.register(FluffViewFactory(), withId: "FluffView")
         registrar.register(FlutterInAppContentBlockPlaceholderFactory(messenger: registrar.messenger()), withId: "InAppContentBlockPlaceholder")
@@ -304,6 +309,8 @@ public class SwiftExponeaPlugin: NSObject, FlutterPlugin {
             fetchAppInbox(with: result)
         case .fetchAppInboxItem:
             fetchAppInboxItem(call.arguments, with: result)
+        case .setInAppMessageActionHandler:
+            setInAppMessageActionHandler(call.arguments, with: result)
         }
     }
 
@@ -518,6 +525,26 @@ public class SwiftExponeaPlugin: NSObject, FlutterPlugin {
         }
     }
 
+    private func setInAppMessageActionHandler(_ args: Any?, with result: FlutterResult) {
+        guard requireConfigured(with: result) else { return }
+        do {
+            guard let params = args as? NSDictionary,
+                  let overrideDefaultBehavior: Bool = try params.getRequiredSafely(property: "overrideDefaultBehavior"),
+                  let trackActions: Bool = try params.getRequiredSafely(property: "trackActions") else {
+                result(FlutterError(
+                    code: errorCode,
+                    message: "Requiered function params missing", details: "no overrideDefaultBehavior or trackActions"
+                ))
+                return
+            }
+            InAppMessageActionStreamHandler.currentInstance.overrideDefaultBehavior = overrideDefaultBehavior
+            InAppMessageActionStreamHandler.currentInstance.trackActions = trackActions
+        } catch {
+            let error = FlutterError(code: errorCode, message: error.localizedDescription, details: nil)
+            result(error)
+        }
+    }
+
     private func setupAppInbox(_ args: Any?, with result: FlutterResult) {
         guard let configMap = args as? NSDictionary,
               let appInboxStyle = try? AppInboxStyleParser(configMap).parse() else {
@@ -550,6 +577,7 @@ public class SwiftExponeaPlugin: NSObject, FlutterPlugin {
                 advancedAuthEnabled: config.advancedAuthEnabled
             )
             exponeaInstance.pushNotificationsDelegate = self
+            exponeaInstance.inAppMessagesDelegate = InAppMessageActionStreamHandler.currentInstance
             result(true)
         } catch {
             let error = FlutterError(code: errorCode, message: error.localizedDescription, details: nil)