Add public api to register global listener

AEPCore/Sources/core/MobileCore.swift

@@ -94,13 +94,23 @@ public final class MobileCore: NSObject {
     ///   - responseCallback: Callback to be invoked with `event`'s response `Event`
     @objc(dispatch:responseCallback:)
     public static func dispatch(event: Event, responseCallback: @escaping (Event?) -> Void) {
-        EventHub.shared.registerResponseListener(triggerEvent: event, timeout: 1) { event in
+        EventHub.shared.registerResponseListener(triggerEvent: event, timeout: 2) { event in
             responseCallback(event)
         }
 
         EventHub.shared.dispatch(event: event)
     }
 
+    /// Registers an `EventListener` which will be invoked whenever a event with matched type and source is dispatched
+    /// - Parameters:
+    ///   - type: An `String` indicates the event type the current listener is listening for
+    ///   - source: An `String` indicates the event source the current listener is listening for
+    ///   - listener: An `EventResponseListener` which will be invoked whenever the `EventHub` receives a event with matched typd and source
+    @objc(registerEventListenerWithType:source:listener:)
+    public static func registerEventListener(type: String, source: String, listener: @escaping EventListener) {
+        EventHub.shared.registerEventListener(type: type, source: source, listener: listener)
+    }
+
     /// Submits a generic event containing the provided IDFA with event type `generic.identity`.
     /// - Parameter identifier: the advertising identifier string.
     @objc(setAdvertisingIdentifier:)

AEPCore/Sources/eventhub/AEPError.swift

@@ -20,5 +20,9 @@ import Foundation
     case callbackTimeout = 1
     case callbackNil = 2
     case none = 3
+    case serverError = 4
+    case networkError = 5
+    case invalidRequest = 6
+    case invalidResponse = 7
     case errorExtensionNotInitialized = 11
 }

AEPCore/Sources/eventhub/EventHub.swift

@@ -148,6 +148,20 @@ final class EventHub {
         responseEventListeners.append(responseListenerContainer!)
     }
 
+    /// Registers an `EventListener` which will be invoked whenever a event with matched type and source is dispatched
+    /// - Parameters:
+    ///   - type: An `String` indicates the event type the current listener is listening for
+    ///   - source: An `String` indicates the event source the current listener is listening for
+    ///   - listener: An `EventResponseListener` which will be invoked whenever the `EventHub` receives a event with matched typd and source
+    func registerEventListener(type: String, source: String, listener: @escaping EventListener) {
+        // use the event hub placeholder extension to hold all the listeners register from the public API
+        guard let eventHubExtension = registeredExtensions.first(where: { $1.sharedStateName == EventHubConstants.NAME })?.value else {
+            Log.warning(label: self.LOG_TAG, "Error registering event listener")
+            return
+        }
+        eventHubExtension.registerListener(type: type, source: source, listener: listener)
+    }
+
     /// Creates a new `SharedState` for the extension with provided data, versioned at `event`
     /// If `event` is nil, one of two behaviors will be observed:
     /// 1. If this extension has not previously published a shared state, shared state will be versioned at 0

AEPCore/Sources/eventhub/EventSource.swift

@@ -22,6 +22,7 @@ public class EventSource: NSObject {
     public static let requestIdentity = "com.adobe.eventSource.requestIdentity"
     public static let requestProfile = "com.adobe.eventSource.requestProfile"
     public static let requestReset = "com.adobe.eventSource.requestReset"
+    public static let notification = "com.adobe.eventSource.notification"
     public static let responseContent = "com.adobe.eventSource.responseContent"
     public static let responseIdentity = "com.adobe.eventSource.responseIdentity"
     public static let responseProfile = "com.adobe.eventSource.responseProfile"

AEPCore/Sources/eventhub/EventType.swift

@@ -34,6 +34,7 @@ public class EventType: NSObject {
     public static let userProfile = "com.adobe.eventType.userProfile"
     public static let places = "com.adobe.eventType.places"
     public static let offerDecisioning = "com.adobe.eventType.offerDecisioning"
+    public static let edge = "com.adobe.eventType.edge"
     public static let genericTrack = "com.adobe.eventType.generic.track"
     public static let genericLifecycle = "com.adobe.eventType.generic.lifecycle"
     public static let genericIdentity = "com.adobe.eventType.generic.identity"