AdAttributionKit [Don't merge]

ios/Classes/AdAttributionManager.swift

@@ -0,0 +1,225 @@
+import Flutter
+import Foundation
+import UIKit
+import AdAttributionKit
+
+final class AdAttributionManager {
+    static let shared = AdAttributionManager()
+
+    private var appImpressionBox: Any?
+    private var attributionViewBox: Any?
+    private weak var hostWindow: UIWindow?
+
+    @available(iOS 17.4, *)
+    private var appImpression: AppImpression? {
+        get { appImpressionBox as? AppImpression }
+        set { appImpressionBox = newValue }
+    }
+
+    @available(iOS 17.4, *)
+    private var attributionView: UIEventAttributionView? {
+        get { attributionViewBox as? UIEventAttributionView }
+        set { attributionViewBox = newValue }
+    }
+
+    func initImpression(jws: String, completion: @escaping (Any) -> Void) {
+        guard #available(iOS 17.4, *) else {
+            completion(false)
+            return
+        }
+        Task { [weak self] in
+            guard let self = self else {
+                completion(false)
+                return
+            }
+            do {
+                let imp = try await AppImpression(compactJWS: jws)
+                self.appImpression = imp
+                completion(true)
+            } catch {
+                completion(FlutterError(code: "INIT_IMPRESSION_FAILED", message: "Failed to initialize AppImpression: \(error)", details: nil))
+            }
+        }
+    }
+
+    /// Places the UIEventAttributionView in window coordinates over the ad.
+    func setAttributionFrame(x: CGFloat, y: CGFloat, width: CGFloat, height: CGFloat, completion: @escaping (Any) -> Void) {
+        guard #available(iOS 17.4, *) else {
+            completion(false)
+            return
+        }
+
+        guard width > 0, height > 0 else {
+            if let view = attributionView {
+                view.removeFromSuperview()
+                attributionView = nil
+            }
+            hostWindow = nil
+            completion(false)
+            return
+        }
+
+        guard let window = currentKeyWindow() else {
+            completion(FlutterError(code: "NO_KEY_WINDOW", message: "No key window found", details: nil))
+            return
+        }
+
+        if attributionView == nil {
+            let view = UIEventAttributionView()
+            // Ensure the view does not interfere with normal user interaction
+            view.isUserInteractionEnabled = false
+            window.addSubview(view)
+            attributionView = view
+        }
+
+        attributionView?.frame = CGRect(x: x, y: y, width: width, height: height)
+        hostWindow = window
+        completion(true)
+    }
+
+    func handleTap(url: String?, completion: @escaping (Any) -> Void) {
+        if let urlString = url, !urlString.isEmpty {
+            guard #available(iOS 18.0, *) else {
+                completion(FlutterError(code: "UNSUPPORTED_IOS_VERSION", message: "Handling reengagement URL requires iOS 18.0 or later", details: nil))
+                return
+            }
+            guard let impression = appImpression else {
+                completion(FlutterError(code: "NO_IMPRESSION", message: "AppImpression not initialized", details: nil))
+                return
+            }
+            guard let reengagementURL = URL(string: urlString) else {
+                completion(FlutterError(code: "INVALID_URL", message: "Provided URL is invalid", details: nil))
+                return
+            }
+
+            Task {
+                do {
+                    try await impression.handleTap(reengagementURL: reengagementURL)
+                    completion(true)
+                } catch {
+                    completion(FlutterError(code: "HANDLE_TAP_FAILED", message: "Failed to handle tap with URL: \(error)", details: nil))
+                }
+            }
+            return
+        }
+
+        guard #available(iOS 17.4, *) else {
+            completion(false)
+            return
+        }
+        guard let impression = appImpression else {
+            completion(FlutterError(code: "NO_IMPRESSION", message: "AppImpression not initialized", details: nil))
+            return
+        }
+
+        Task {
+            do {
+                try await impression.handleTap()
+                completion(true)
+            } catch {
+                completion(FlutterError(code: "HANDLE_TAP_FAILED", message: "Failed to handle tap: \(error)", details: nil))
+            }
+        }
+    }
+
+    func beginView(completion: @escaping (Any) -> Void) {
+        guard #available(iOS 17.4, *) else {
+            completion(false)
+            return
+        }
+        guard let impression = appImpression else {
+            completion(FlutterError(code: "NO_IMPRESSION", message: "AppImpression not initialized", details: nil))
+            return
+        }
+
+        Task {
+            do {
+                try await impression.beginView()
+                completion(true)
+            } catch {
+                completion(FlutterError(code: "BEGIN_VIEW_FAILED", message: "Failed to begin view: \(error)", details: nil))
+            }
+        }
+    }
+
+    func endView(completion: @escaping (Any) -> Void) {
+        guard #available(iOS 17.4, *) else {
+            completion(false)
+            return
+        }
+        guard let impression = appImpression else {
+            completion(FlutterError(code: "NO_IMPRESSION", message: "AppImpression not initialized", details: nil))
+            return
+        }
+
+        Task {
+            do {
+                try await impression.endView()
+                completion(true)
+            } catch {
+                completion(FlutterError(code: "END_VIEW_FAILED", message: "Failed to end view: \(error)", details: nil))
+            }
+        }
+    }
+
+    func dispose(completion: @escaping (Any) -> Void) {
+        appImpressionBox = nil
+        hostWindow = nil
+
+        let uiCleanup = { [weak self] in
+            guard let self = self else { return }
+            if #available(iOS 17.4, *) {
+                self.attributionView?.removeFromSuperview()
+                self.attributionView = nil
+            }
+            completion(true)
+        }
+
+        if Thread.isMainThread {
+            uiCleanup()
+        } else {
+            DispatchQueue.main.async { uiCleanup() }
+        }
+    }
+
+    private func currentKeyWindow() -> UIWindow? {
+        // Scan scenes by activation, prefer .foregroundActive, then .foregroundInactive
+        if #available(iOS 13.0, *) {
+            let scenes = UIApplication.shared.connectedScenes
+                .compactMap { $0 as? UIWindowScene }
+
+            func pickWindow(in scene: UIWindowScene) -> UIWindow? {
+                // Key window first
+                if let key = scene.windows.first(where: { $0.isKeyWindow }) {
+                    return key
+                }
+                // Then visible window, normal-level window
+                return scene.windows.first(where: { !$0.isHidden && $0.windowLevel == .normal })
+            }
+
+
+            if let scene = scenes.first(where: { $0.activationState == .foregroundActive}),
+               let window = pickWindow(in: scene) {
+                return window
+            }
+
+            if let scene = scenes.first(where: { $0.activationState == .foregroundInactive}),
+               let window = pickWindow(in: scene) {
+                return window
+            }
+        } else {
+            if let window = UIApplication.shared.keyWindow {
+                return window
+            }
+        }
+
+        if #available(iOS 13.0, *) {
+            return UIApplication.shared.connectedScenes
+                .compactMap { $0 as? UIWindowScene }
+                .flatMap { $0.windows }
+                .first(where: { !$0.isHidden && $0.windowLevel == .normal })
+        }
+
+        return nil
+    }
+}

ios/Classes/AdAttributionPlugin.swift

@@ -0,0 +1,65 @@
+import Flutter
+import UIKit
+
+public class AdAttributionPlugin: NSObject, FlutterPlugin {
+    public static func register(with registrar: FlutterPluginRegistrar) {
+        let channel = FlutterMethodChannel(
+            name: "kontext_flutter_sdk/ad_attribution",
+            binaryMessenger: registrar.messenger()
+        )
+        let instance = AdAttributionPlugin()
+        registrar.addMethodCallDelegate(instance, channel: channel)
+    }
+
+    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+        switch call.method {
+        case "initImpression":
+            guard let args = call.arguments as? [String: Any],
+                  let jws = args["jws"] as? String else {
+                result(FlutterError(code: "INVALID_ARGUMENTS", message: "jws is required", details: nil))
+                return
+            }
+            AdAttributionManager.shared.initImpression(jws: jws) { success in
+                result(success)
+            }
+        case "setAttributionFrame":
+            guard let args = call.arguments as? [String: Any],
+                  let x = (args["x"] as? NSNumber)?.doubleValue,
+                  let y = (args["y"] as? NSNumber)?.doubleValue,
+                  let width = (args["width"] as? NSNumber)?.doubleValue,
+                  let height = (args["height"] as? NSNumber)?.doubleValue else {
+                result(FlutterError(code: "INVALID_ARGUMENTS", message: "x, y, width, height are required", details: nil))
+                return
+            }
+            DispatchQueue.main.async {
+                AdAttributionManager.shared.setAttributionFrame(
+                    x: CGFloat(x),
+                    y: CGFloat(y),
+                    width: CGFloat(width),
+                    height: CGFloat(height)
+                ) { success in
+                    result(success)
+                }
+            }
+        case "handleTap":
+            let url = (call.arguments as? [String: Any])?["url"] as? String
+            AdAttributionManager.shared.handleTap(url: url) { success in
+                result(success)
+            }
+        case "beginView":
+            AdAttributionManager.shared.beginView { success in
+                result(success)
+            }
+        case "endView":
+            AdAttributionManager.shared.endView { success in
+                result(success)
+            }
+        case "dispose":
+            AdAttributionManager.shared.dispose { success in
+                result(success)
+            }
+        default:
+            result(FlutterMethodNotImplemented)
+        }
+    }
+}

ios/Classes/KontextSdkPlugin.swift

@@ -9,5 +9,6 @@ public class KontextSdkPlugin: NSObject, FlutterPlugin {
         DeviceAudioPlugin.register(with: registrar)
         DeviceNetworkPlugin.register(with: registrar)
         TransparencyConsentFrameworkPlugin.register(with: registrar)
+        AdAttributionPlugin.register(with: registrar)
     }
 }