Add completionPanel to XcodeAppInstanceInspector

Author: intitni

Core/Sources/AXExtension/AXUIElement.swift

@@ -63,6 +63,10 @@ public extension AXUIElement {
     var isEnabled: Bool {
         (try? copyValue(key: kAXEnabledAttribute)) ?? false
     }
+    
+    var isHidden: Bool {
+        (try? copyValue(key: kAXHiddenAttribute)) ?? false
+    }
 }
 
 // MARK: - Rect

Core/Sources/AXNotificationStream/AXNotificationStream.swift

@@ -6,7 +6,7 @@ public final class AXNotificationStream: AsyncSequence {
     public typealias Stream = AsyncStream<Element>
     public typealias Continuation = Stream.Continuation
     public typealias AsyncIterator = Stream.AsyncIterator
-    public typealias Element = (name: String, info: CFDictionary)
+    public typealias Element = (name: String, element: AXUIElement, info: CFDictionary)
 
     private var continuation: Continuation
     private let stream: Stream
@@ -48,7 +48,7 @@ public final class AXNotificationStream: AsyncSequence {
         ) {
             guard let pointer = pointer?.assumingMemoryBound(to: Continuation.self)
             else { return }
-            pointer.pointee.yield((notificationName as String, userInfo))
+            pointer.pointee.yield((notificationName as String, element, userInfo))
         }
 
         _ = AXObserverCreateWithInfoCallback(

Core/Sources/XcodeInspector/SourceEditor.swift

@@ -16,7 +16,7 @@ public class SourceEditor {
         public var cursorPosition: CursorPosition
         /// Line annotations of the source editor.
         public var lineAnnotations: [String]
-        
+
         public var selectedContent: String {
             if let range = selections.first {
                 let startIndex = min(

Core/Sources/XcodeInspector/XcodeInspector.swift

@@ -167,6 +167,8 @@ public final class XcodeAppInstanceInspector: AppInstanceInspector {
     @Published public var documentURL: URL = .init(fileURLWithPath: "/")
     @Published public var projectURL: URL = .init(fileURLWithPath: "/")
     @Published public var workspaces = [WorkspaceIdentifier: WorkspaceInfo]()
+    @Published public private(set) var completionPanel: AXUIElement?
+    
     var _version: String?
     public var version: String? {
         if let _version { return _version }
@@ -232,6 +234,41 @@ public final class XcodeAppInstanceInspector: AppInstanceInspector {
         }
 
         longRunningTasks.insert(updateTabsTask)
+        
+        completionPanel = appElement.firstChild { element in
+            element.identifier == "_XC_COMPLETION_TABLE_"
+        }?.parent
+
+        let completionPanelTask = Task {
+            let stream = AXNotificationStream(
+                app: runningApplication,
+                element: appElement,
+                notificationNames: kAXCreatedNotification, kAXUIElementDestroyedNotification
+            )
+            
+            for await event in stream {
+                let isCompletionPanel = {
+                    event.element.firstChild { element in
+                        element.identifier == "_XC_COMPLETION_TABLE_"
+                    } != nil
+                }
+                switch event.name {
+                case kAXCreatedNotification:
+                    if isCompletionPanel() {
+                        completionPanel = event.element
+                    }
+                case kAXUIElementDestroyedNotification:
+                    if isCompletionPanel() {
+                        completionPanel = nil
+                    }
+                default: break
+                }
+                
+                try Task.checkCancellation()
+            }
+        }
+        
+        longRunningTasks.insert(completionPanelTask)
     }
 
     func observeFocusedWindow() {