AdaptyUI: add openIn param to public Action.openURL

Public enum case is now openURL(url:in:) carrying AdaptyUIBuilder.WebPresentation
(externalBrowser/inAppBrowser). Default handlers honor it via SFSafariViewController
for inAppBrowser and UIApplication.open for externalBrowser.

Author: x401om

Sources.AdaptyUI/AdaptyUI+DefaultConfiguration.swift

@@ -24,8 +24,8 @@ public extension AdaptyPaywallControllerDelegate {
         switch action {
         case .close:
             controller.dismiss(animated: true)
-        case let .openURL(url):
-            UIApplication.shared.open(url, options: [:])
+        case let .openURL(url, openIn):
+            url.open(in: openIn.toBuilderWebPresentation)
         case .custom:
             break
         }

Sources.AdaptyUI/AdaptyUI+Public.swift

@@ -36,7 +36,7 @@ public extension AdaptyUI {
         /// User pressed Close Button
         case close
         /// User pressed any button with URL
-        case openURL(url: URL)
+        case openURL(url: URL, in: AdaptyWebPresentation)
         /// User pressed any button with custom action (e.g. login)
         case custom(id: String)
     }

Sources.AdaptyUI/Paywalls/Logic/AdaptyEventsHandler.swift

@@ -144,10 +144,30 @@ extension AdaptyUIBuilder.Action {
     var adaptyUIAction: AdaptyUI.Action {
         switch self {
         case .close: .close
-        case let .openURL(url): .openURL(url: url)
+        case let .openURL(url, openIn): .openURL(url: url, in: openIn.toAdaptyWebPresentation)
         case let .custom(id): .custom(id: id)
         }
     }
 }
 
+@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, visionOS 1.0, *)
+extension AdaptyUIBuilder.WebPresentation {
+    var toAdaptyWebPresentation: AdaptyWebPresentation {
+        switch self {
+        case .externalBrowser: .externalBrowser
+        case .inAppBrowser: .inAppBrowser
+        }
+    }
+}
+
+@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, visionOS 1.0, *)
+extension AdaptyWebPresentation {
+    var toBuilderWebPresentation: AdaptyUIBuilder.WebPresentation {
+        switch self {
+        case .externalBrowser: .externalBrowser
+        case .inAppBrowser: .inAppBrowser
+        }
+    }
+}
+
 #endif

Sources.AdaptyUI/Paywalls/Rendering/AdaptyPaywallView.swift

@@ -81,8 +81,8 @@ public struct AdaptyPaywallView<AlertItem>: View where AlertItem: Identifiable {
             switch action {
             case .close:
                 presentationMode.wrappedValue.dismiss()
-            case let .openURL(url):
-                UIApplication.shared.open(url, options: [:])
+            case let .openURL(url, openIn):
+                url.open(in: openIn.toBuilderWebPresentation)
             case .custom:
                 break
             }

Sources.UIBuilder/UIBuilder/AdaptyUIBuilder+Models.swift

@@ -10,9 +10,14 @@
 import Foundation
 
 public extension AdaptyUIBuilder {
+    enum WebPresentation: String, Sendable {
+        case externalBrowser
+        case inAppBrowser
+    }
+
     enum Action {
         case close
-        case openURL(url: URL)
+        case openURL(url: URL, in: WebPresentation)
         case custom(id: String)
     }
 }

Sources.UIBuilder/UIBuilder/AdaptyUIBuilder+OpenURL.swift

@@ -0,0 +1,76 @@
+//
+//  AdaptyUIBuilder+OpenURL.swift
+//  AdaptyUIBuilder
+//
+//  Created by Alexey Goncharov on 06.05.2026.
+//
+
+#if canImport(UIKit)
+
+import Foundation
+import UIKit
+
+#if canImport(SafariServices) && !os(visionOS)
+import SafariServices
+#endif
+
+@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, visionOS 1.0, *)
+@MainActor
+package extension URL {
+    func open(in presentation: AdaptyUIBuilder.WebPresentation) {
+        switch presentation {
+        case .externalBrowser:
+            UIApplication.shared.open(self, options: [:])
+        case .inAppBrowser:
+            #if canImport(SafariServices) && os(iOS)
+            guard let topViewController = UIApplication.shared.topPresentedController else {
+                UIApplication.shared.open(self, options: [:])
+                return
+            }
+            topViewController.present(SFSafariViewController(url: self), animated: true)
+            #else
+            UIApplication.shared.open(self, options: [:])
+            #endif
+        }
+    }
+}
+
+@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, visionOS 1.0, *)
+@MainActor
+private extension UIApplication {
+    var topPresentedController: UIViewController? {
+        let scene = connectedScenes
+            .compactMap { $0 as? UIWindowScene }
+            .first(where: { $0.activationState == .foregroundActive })
+
+        return scene?
+            .windows
+            .first(where: { $0.isKeyWindow })?
+            .rootViewController?
+            .topPresentedController()
+    }
+}
+
+@available(iOS 15.0, macOS 12.0, tvOS 15.0, watchOS 8.0, visionOS 1.0, *)
+@MainActor
+private extension UIViewController {
+    func topPresentedController() -> UIViewController {
+        var top: UIViewController = self
+        while let presented = top.presentedViewController {
+            top = presented
+        }
+        return top.drillDownToChild()
+    }
+
+    private func drillDownToChild() -> UIViewController {
+        if let nav = self as? UINavigationController {
+            return nav.visibleViewController?.drillDownToChild() ?? nav
+        }
+        if let tab = self as? UITabBarController {
+            return tab.selectedViewController?.drillDownToChild() ?? tab
+        }
+        return self
+    }
+}
+
+#endif

Sources.UIBuilder/UIBuilder/AdaptyUIBuilder+WebPresentation.swift

@@ -0,0 +1,21 @@
+//
+//  AdaptyUIBuilder+WebPresentation.swift
+//  AdaptyUIBuilder
+//
+//  Created by Alexey Goncharov on 06.05.2026.
+//
+
+#if canImport(UIKit)
+
+import Foundation
+
+extension VC.WebOpenInParameter {
+    var toWebPresentation: AdaptyUIBuilder.WebPresentation {
+        switch self {
+        case .browserOutApp: .externalBrowser
+        case .browserInApp: .inAppBrowser
+        }
+    }
+}
+
+#endif

Sources.UIBuilder/UIBuilder/Logic/AdaptyUIActionsViewModel.swift

@@ -27,12 +27,12 @@ package final class AdaptyUIActionsViewModel: ObservableObject {
         logic.reportDidPerformAction(.close)
     }
 
-    func openUrlActionOccurred(url urlString: String?) {
+    func openUrlActionOccurred(url urlString: String?, openIn: VC.WebOpenInParameter) {
         guard let urlString, let url = URL(string: urlString) else {
             Log.ui.warn("#\(logId)# can't parse url: \(urlString ?? "null")")
             return
         }
-        logic.reportDidPerformAction(.openURL(url: url))
+        logic.reportDidPerformAction(.openURL(url: url, in: openIn.toWebPresentation))
     }
 
     func customActionOccurred(id: String) {

Sources.UIBuilder/UIBuilder/Public/AdaptyUIBuilder+PaywallView.swift

@@ -176,8 +176,8 @@ public struct AdaptyUIPaywallView: View {
             switch action {
             case .close:
                 presentationMode.wrappedValue.dismiss()
-            case let .openURL(url):
-                UIApplication.shared.open(url, options: [:])
+            case let .openURL(url, openIn):
+                url.open(in: openIn)
             case .custom:
                 break
             }

Sources.UIBuilder/UIBuilder/Rendering/Elements/AdaptyUIButtonView.swift

@@ -129,7 +129,7 @@ extension VC.Action {
         case .close:
             actionsViewModel.closeActionOccurred()
         case let .openUrl(url, openIn):
-            actionsViewModel.openUrlActionOccurred(url: url)
+            actionsViewModel.openUrlActionOccurred(url: url, openIn: openIn)
         case let .custom(id):
             actionsViewModel.customActionOccurred(id: id)
         }