Initial work fetching URL, title, and selected text from webpage

ActionExtension-iOS/Action.js

@@ -0,0 +1,19 @@
+var Action = function() {};
+
+Action.prototype = {
+
+run: function(parameters) {
+    parameters.completionFunction({
+        "URL": document.URL,
+        "title": document.title,
+        "selection": document.getSelection().toString()
+    });
+},
+
+finalize: function(parameters) {
+    
+}
+
+};
+
+var ExtensionPreprocessingJS = new Action

ActionExtension-iOS/ActionViewController.swift

@@ -1,10 +1,3 @@
-//
-//  ActionViewController.swift
-//  ActionExtension-iOS
-//
-//  Created by Angelo Stavrow on 2021-11-05.
-//
-
 import UIKit
 import MobileCoreServices
 import UniformTypeIdentifiers
@@ -15,36 +8,16 @@ class ActionViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
-    
+
         // Get the item[s] we're handling from the extension context.
-        
-        // For example, look for an image and place it into an image view.
-        // Replace this with something appropriate for the type[s] your extension supports.
-        var imageFound = false
-        for item in self.extensionContext!.inputItems as! [NSExtensionItem] {
-            for provider in item.attachments! {
-                if provider.hasItemConformingToTypeIdentifier(UTType.image.identifier) {
-                    // This is an image. We'll load it, then place it in our image view.
-                    weak var weakImageView = self.imageView
-                    provider.loadItem(forTypeIdentifier: UTType.image.identifier, options: nil, completionHandler: { (imageURL, error) in
-                        OperationQueue.main.addOperation {
-                            if let strongImageView = weakImageView {
-                                if let imageURL = imageURL as? URL {
-                                    strongImageView.image = UIImage(data: try! Data(contentsOf: imageURL))
-                                }
-                            }
-                        }
-                    })
-                    
-                    imageFound = true
-                    break
+        if let inputItem = extensionContext?.inputItems.first as? NSExtensionItem {
+            if let itemProvider = inputItem.attachments?.first {
+                itemProvider.loadItem(forTypeIdentifier: kUTTypePropertyList as String) { [weak self] dict, error in
+                    guard let itemDictionary = dict as? NSDictionary else { return }
+                    guard let javaScriptValues = itemDictionary[NSExtensionJavaScriptPreprocessingResultsKey] as? NSDictionary else { return }
+                    print(javaScriptValues)
                 }
             }
-            
-            if (imageFound) {
-                // We only handle one image, so stop looking for more.
-                break
-            }
         }
     }
 

ActionExtension-iOS/Info.plist

@@ -6,8 +6,13 @@
 	<dict>
 		<key>NSExtensionAttributes</key>
 		<dict>
+			<key>NSExtensionJavaScriptPreprocessingFile</key>
+			<string>Action</string>
 			<key>NSExtensionActivationRule</key>
-			<string>TRUEPREDICATE</string>
+			<dict>
+				<key>NSExtensionActivationSupportsWebPageWithMaxCount</key>
+				<string>1</string>
+			</dict>
 			<key>NSExtensionServiceAllowsFinderPreviewItem</key>
 			<true/>
 			<key>NSExtensionServiceAllowsTouchBarItem</key>

WriteFreely-MultiPlatform.xcodeproj/project.pbxproj

@@ -32,6 +32,7 @@
 		172E10062735B83E00061372 /* ActionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 172E10052735B83E00061372 /* ActionViewController.swift */; };
 		172E10092735B83E00061372 /* MainInterface.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 172E10072735B83E00061372 /* MainInterface.storyboard */; };
 		172E100D2735B83E00061372 /* ActionExtension-iOS.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = 172E0FFF2735B83E00061372 /* ActionExtension-iOS.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
+		172E10132735BB6200061372 /* Action.js in Resources */ = {isa = PBXBuildFile; fileRef = 172E10122735BB6200061372 /* Action.js */; };
 		173E19D1254318F600440F0F /* RemoteChangePromptView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 173E19D0254318F600440F0F /* RemoteChangePromptView.swift */; };
 		173E19E3254329CC00440F0F /* PostTextEditingView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 173E19E2254329CC00440F0F /* PostTextEditingView.swift */; };
 		17466626256C0D0600629997 /* MacEditorTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 17466625256C0D0600629997 /* MacEditorTextView.swift */; };
@@ -171,6 +172,7 @@
 		172E10052735B83E00061372 /* ActionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActionViewController.swift; sourceTree = "<group>"; };
 		172E10082735B83E00061372 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/MainInterface.storyboard; sourceTree = "<group>"; };
 		172E100A2735B83E00061372 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		172E10122735BB6200061372 /* Action.js */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.javascript; path = Action.js; sourceTree = "<group>"; };
 		173E19D0254318F600440F0F /* RemoteChangePromptView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemoteChangePromptView.swift; sourceTree = "<group>"; };
 		173E19E2254329CC00440F0F /* PostTextEditingView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PostTextEditingView.swift; sourceTree = "<group>"; };
 		17466625256C0D0600629997 /* MacEditorTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MacEditorTextView.swift; sourceTree = "<group>"; };
@@ -310,6 +312,7 @@
 				172E10052735B83E00061372 /* ActionViewController.swift */,
 				172E10072735B83E00061372 /* MainInterface.storyboard */,
 				172E100A2735B83E00061372 /* Info.plist */,
+				172E10122735BB6200061372 /* Action.js */,
 			);
 			path = "ActionExtension-iOS";
 			sourceTree = "<group>";
@@ -736,6 +739,7 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				172E10132735BB6200061372 /* Action.js in Resources */,
 				172E10042735B83E00061372 /* Media.xcassets in Resources */,
 				172E10092735B83E00061372 /* MainInterface.storyboard in Resources */,
 			);