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Pods/PostHog/PostHog/Surveys/PostHogSurveysDefaultDelegate.swift

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+//
+//  PostHogSurveysDefaultDelegate.swift
+//  PostHog
+//
+//  Created by Ioannis Josephides on 18/06/2025.
+//
+
+#if os(iOS)
+    import UIKit
+#else
+    import Foundation
+#endif
+
+final class PostHogSurveysDefaultDelegate: PostHogSurveysDelegate {
+    #if os(iOS)
+        private var surveysWindow: UIWindow?
+        private var displayController: SurveyDisplayController?
+    #endif
+
+    func renderSurvey(
+        _ survey: PostHogDisplaySurvey,
+        onSurveyShown: @escaping OnPostHogSurveyShown,
+        onSurveyResponse: @escaping OnPostHogSurveyResponse,
+        onSurveyClosed: @escaping OnPostHogSurveyClosed
+    ) {
+        #if os(iOS)
+            guard #available(iOS 15.0, *) else { return }
+
+            if surveysWindow == nil {
+                // setup window for first-time display
+                setupWindow()
+            }
+
+            // Setup handlers
+            displayController?.onSurveyShown = onSurveyShown
+            displayController?.onSurveyResponse = onSurveyResponse
+            displayController?.onSurveyClosed = onSurveyClosed
+
+            // Display survey
+            displayController?.showSurvey(survey)
+        #endif
+    }
+
+    func cleanupSurveys() {
+        #if os(iOS)
+            displayController?.dismissSurvey() // dismiss any active surveys
+            surveysWindow?.rootViewController?.dismiss(animated: true) {
+                self.surveysWindow?.isHidden = true
+                self.surveysWindow = nil
+                self.displayController = nil
+            }
+        #endif
+    }
+
+    #if os(iOS)
+        @available(iOS 15.0, *)
+        private func setupWindow() {
+            if let activeWindow = UIApplication.getCurrentWindow(), let activeScene = activeWindow.windowScene {
+                let controller = SurveyDisplayController()
+                displayController = controller
+                surveysWindow = SurveysWindow(
+                    controller: controller,
+                    scene: activeScene
+                )
+                surveysWindow?.isHidden = false
+                surveysWindow?.windowLevel = activeWindow.windowLevel + 1
+            }
+        }
+    #endif
+}