ability to directly share selected text to assistant

Action Assistant/ActionViewController.swift

@@ -0,0 +1,148 @@
+//
+//  ActionViewController.swift
+//  Action Assistant
+//
+//  Created by Marino Faggiana on 14/05/2026.
+//  Copyright © 2026 Marino Faggiana. All rights reserved.
+//
+
+import UIKit
+import NextcloudKit
+import UniformTypeIdentifiers
+
+final class ActionViewController: UIViewController {
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        view.isHidden = true
+        view.alpha = 0
+        view.backgroundColor = .clear
+        preferredContentSize = .zero
+
+        Task {
+            await handleAction()
+        }
+    }
+
+    private func handleAction() async {
+        guard let text = await loadText() else {
+            extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
+            return
+        }
+
+        NCAssistantSharedTextStore.save(text)
+        openMainAppForAssistantSharedText()
+    }
+
+    private func loadText() async -> String? {
+        guard let extensionItems = extensionContext?.inputItems as? [NSExtensionItem] else {
+            return nil
+        }
+
+        for extensionItem in extensionItems {
+            guard let attachments = extensionItem.attachments else {
+                continue
+            }
+
+            for provider in attachments {
+                if provider.hasItemConformingToTypeIdentifier(UTType.plainText.identifier) {
+                    return await loadText(from: provider, typeIdentifier: UTType.plainText.identifier)
+                }
+
+                if provider.hasItemConformingToTypeIdentifier(UTType.utf8PlainText.identifier) {
+                    return await loadText(from: provider, typeIdentifier: UTType.utf8PlainText.identifier)
+                }
+
+                if provider.hasItemConformingToTypeIdentifier(UTType.text.identifier) {
+                    return await loadText(from: provider, typeIdentifier: UTType.text.identifier)
+                }
+            }
+        }
+
+        return nil
+    }
+
+    private func loadText(from provider: NSItemProvider, typeIdentifier: String) async -> String? {
+        await withCheckedContinuation { continuation in
+            provider.loadItem(forTypeIdentifier: typeIdentifier, options: nil) { item, _ in
+                let text: String?
+
+                if let string = item as? String {
+                    text = string
+                } else if let attributedString = item as? NSAttributedString {
+                    text = attributedString.string
+                } else if let data = item as? Data {
+                    text = String(data: data, encoding: .utf8)
+                } else if let url = item as? URL {
+                    text = try? String(contentsOf: url, encoding: .utf8)
+                } else {
+                    text = nil
+                }
+
+                guard let text, !text.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty else {
+                    continuation.resume(returning: nil)
+                    return
+                }
+
+                continuation.resume(returning: text)
+            }
+        }
+    }
+
+    private func openMainAppForAssistantSharedText() {
+        guard let url = URL(string: "nextcloud://assistant/shared-text") else {
+            extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
+            return
+        }
+
+        openAssistantSharedTextURLThroughResponderChain(url)
+
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
+            self?.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
+        }
+    }
+
+    /// Opens the Assistant shared-text deep link from the Share extension.
+    ///
+    /// Share extensions cannot use `UIApplication.shared` directly because it is not
+    /// extension-safe. This method walks the responder chain until it finds the hidden
+    /// `UIApplication` responder and invokes the modern `open(_:options:completionHandler:)`
+    /// Objective-C selector dynamically.
+    ///
+    /// This is intentionally isolated because it relies on Objective-C runtime dispatch.
+    ///
+    /// - Parameter url: Deep link URL to open in the containing application.
+    private func openAssistantSharedTextURLThroughResponderChain(_ url: URL) {
+        let selector = NSSelectorFromString("openURL:options:completionHandler:")
+        let applicationClass: AnyClass? = NSClassFromString("UIApplication")
+        var responder: UIResponder? = self
+
+        while let currentResponder = responder {
+            guard let applicationClass,
+                  currentResponder.isKind(of: applicationClass),
+                  currentResponder.responds(to: selector),
+                  let implementation = currentResponder.method(for: selector) else {
+                responder = currentResponder.next
+                continue
+            }
+
+            typealias CompletionBlock = @convention(block) (Bool) -> Void
+            typealias OpenURLFunction = @convention(c) (AnyObject, Selector, NSURL, NSDictionary, CompletionBlock?) -> Void
+
+            let openURL = unsafeBitCast(implementation, to: OpenURLFunction.self)
+
+            let completion: CompletionBlock = { success in
+                if success {
+                    nkLog(debug: "Assistant shared text deep link performed through modern responder chain")
+                } else {
+                    nkLog(error: "Assistant shared text deep link modern responder chain returned false")
+                }
+            }
+
+            openURL(currentResponder, selector, url as NSURL, NSDictionary(), completion)
+            return
+        }
+
+        nkLog(error: "Assistant shared text deep link failed because no UIApplication responder can open URL")
+    }
+}

Action Assistant/Base.lproj/MainInterface.storyboard

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="24765" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="ObA-dk-sSI">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="24743"/>
+    </dependencies>
+    <scenes>
+        <!--Image-->
+        <scene sceneID="7MM-of-jgj">
+            <objects>
+                <viewController title="Image" id="ObA-dk-sSI" customClass="ActionViewController" customModule="Action_Assistant" sceneMemberID="viewController">
+                    <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+                    <size key="freeformSize" width="320" height="528"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="X47-rx-isc" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="139" y="131"/>
+        </scene>
+    </scenes>
+</document>

Action Assistant/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,38 @@
+{
+  "images" : [
+    {
+      "filename" : "Senza titolo.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "Senza titolo 1.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "Senza titolo 2.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Action Assistant/Images.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Brand/Action_Assistant.entitlements

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.it.twsweb.Crypto-Cloud</string>
+	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(AppIdentifierPrefix)it.twsweb.Crypto-Cloud</string>
+	</array>
+</dict>
+</plist>

Brand/Action_Assistant.plist

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDisplayName</key>
+    <string>Nextcloud Assistant</string>
+
+    <key>NSExtension</key>
+    <dict>
+        <key>NSExtensionAttributes</key>
+        <dict>
+            <key>NSExtensionActivationRule</key>
+            <string>TRUEPREDICATE</string>
+        </dict>
+
+        <key>NSExtensionMainStoryboard</key>
+        <string>MainInterface</string>
+
+        <key>NSExtensionPointIdentifier</key>
+        <string>com.apple.ui-services</string>
+    </dict>
+</dict>
+</plist>

Brand/Share.plist

@@ -30,13 +30,12 @@
 		<key>NSExtensionAttributes</key>
 		<dict>
 			<key>NSExtensionActivationRule</key>
-			<string>SUBQUERY (extensionItems, $extensionItem, SUBQUERY ($extensionItem.attachments,$attachment,(ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.data")).@count == $extensionItem.attachments.@count).@count &gt; 0
-            </string>
+			<string>SUBQUERY (extensionItems, $extensionItem, SUBQUERY ($extensionItem.attachments, $attachment, (ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.data" OR ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.text")).@count == $extensionItem.attachments.@count).@count &gt; 0</string>
 		</dict>
 		<key>NSExtensionMainStoryboard</key>
 		<string>MainInterface</string>
 		<key>NSExtensionPointIdentifier</key>
 		<string>com.apple.share-services</string>
 	</dict>
 </dict>
-</plist>
+</plist>