feat(jupyter): add args to notebook metadata

packages/libro-jupyter/src/libro-jupyter-model.ts

@@ -3,6 +3,7 @@ import type { VirtualizedManager } from '@difizen/libro-core';
 import {
   ContentsManager,
   ExecutableNotebookModel,
+  isDisplayDataMsg,
   LibroKernelConnectionManager,
   ServerConnection,
   ServerManager,
@@ -16,6 +17,7 @@ import { l10n } from '@difizen/mana-l10n';
 
 import {
   ExecutedWithKernelCellModel,
+  libroArgsMimetype,
   LibroFileService,
 } from './libro-jupyter-protocol.js';
 import { SaveFileErrorModal } from './toolbar/save-file-error.js';
@@ -81,6 +83,21 @@ export class LibroJupyterModel extends LibroModel implements ExecutableNotebookM
     this.modalService = modalService;
     this.dndAreaNullEnable = true;
     this.virtualizedManager = virtualizedManagerHelper.getOrCreate(this);
+    this.kcReady
+      .then(() => {
+        this.kernelConnection?.futureMessage((msg) => {
+          if (isDisplayDataMsg(msg) && libroArgsMimetype in msg.content.data) {
+            this.metadata = {
+              ...this.metadata,
+              args: msg.content.data[libroArgsMimetype],
+            };
+          }
+        });
+        return;
+      })
+      .catch(() => {
+        return;
+      });
   }
 
   get isKernelIdle() {

packages/libro-jupyter/src/libro-jupyter-protocol.ts

@@ -57,3 +57,5 @@ export const ServerLaunchManager = Symbol('ServerLaunchManager');
 export interface ServerLaunchManager {
   launch: () => Promise<any>;
 }
+
+export const libroArgsMimetype = 'application/vnd.libro.args+json';

packages/libro-kernel/src/kernel/kernel-connection.ts

@@ -222,6 +222,10 @@ export class KernelConnection implements IKernelConnection {
     return this.iopubMessageEmitter.event;
   }
 
+  get futureMessage(): ManaEvent<KernelMessage.IMessage<KernelMessage.MessageType>> {
+    return this.futureMessageEmitter.event;
+  }
+
   /**
    * A signal emitted for unhandled kernel message.
    *
@@ -381,6 +385,7 @@ export class KernelConnection implements IKernelConnection {
     this.statusChangedEmitter.dispose();
     this.onDisposedEmitter.dispose();
     this.iopubMessageEmitter.dispose();
+    this.futureMessageEmitter.dispose();
     this.anyMessageEmitter.dispose();
     this.pendingInputEmitter.dispose();
     this.unhandledMessageEmitter.dispose();
@@ -1529,6 +1534,7 @@ export class KernelConnection implements IKernelConnection {
       const future = this._futures?.get(parentHeader.msg_id);
       if (future) {
         await future.handleMsg(msg);
+        this.futureMessageEmitter.fire(msg);
         this._assertCurrentMessage(msg);
       } else {
         // If the message was sent by us and was not iopub, it is orphaned.
@@ -1756,6 +1762,9 @@ export class KernelConnection implements IKernelConnection {
   protected connectionStatusChangedEmitter = new Emitter<ConnectionStatus>();
   protected onDisposedEmitter = new Emitter<void>();
   protected iopubMessageEmitter = new Emitter<KernelMessage.IIOPubMessage>();
+  protected futureMessageEmitter = new Emitter<
+    KernelMessage.IMessage<KernelMessage.MessageType>
+  >();
   protected anyMessageEmitter = new Emitter<IAnyMessageArgs>();
   protected pendingInputEmitter = new Emitter<boolean>();
   protected unhandledMessageEmitter = new Emitter<KernelMessage.IMessage>();

packages/libro-kernel/src/kernel/libro-kernel-protocol.ts

@@ -774,6 +774,7 @@ export interface IKernelConnection extends ObservableDisposable {
    */
   iopubMessage: Event<KernelMessage.IIOPubMessage>;
 
+  futureMessage: Event<KernelMessage.IMessage<KernelMessage.MessageType>>;
   /**
    * A signal emitted for unhandled non-iopub kernel messages that claimed to
    * be responses for messages we sent using this kernel object.