Bugfixes, simplifications

Implementation/Peered/NoteEditor/SharedNoteEditor.swift

@@ -8,10 +8,10 @@ import SwiftUI
 
 struct SharedNoteEditor: View {
 	@State var note: String?
-	@State var sendTask: Task<Void, Never>?
+	@State var remoteNote: String? = nil
 	@State var invitation: NoteInvitation
 	@Bindable var noteClient: NoteEditingSessionClient
-	
+
 	init(
 		invitation: NoteInvitation,
 		noteClient: NoteEditingSessionClient
@@ -19,27 +19,26 @@ struct SharedNoteEditor: View {
 		self._invitation = .init(initialValue: invitation)
 		self._noteClient = .init(noteClient)
 	}
-	
+
 	var body: some View {
 		ZStack {
-		if let note = Binding($note) {
-			TextEditor(text: note)
-		} else {
-			ProgressView {
-				Text("Fetching note...")
-			}
-		}
-		}
-		.onChange(of: note) { _, newValue in
-			sendTask?.cancel()
-			sendTask = Task {
-				try? await Task.sleep(nanoseconds: 500000000)
-				guard let note else { return }
-				DispatchQueue.main.async {
-					noteClient.send(note: note, to: invitation.invitatorID)
+			if let note = Binding($note) {
+				NoteTextEditor(text: note, remoteText: remoteNote)
+			} else {
+				ProgressView {
+					Text("Fetching note...")
 				}
 			}
 		}
+		.onReceive(noteClient.noteChangesEmitter) { message in
+			guard message.senderID != noteClient.ownPeer.displayName else { return }
+			remoteNote = message.content
+		}
+		.task(id: note) {
+			try? await Task.sleep(nanoseconds: 500_000_000)
+			guard !Task.isCancelled, let note else { return }
+			noteClient.send(note: note, to: invitation.invitatorID)
+		}
 		.onAppear {
 			invitation.accept()
 			note = invitation.note.noteSnapshot