Fix cell cancellation with kernel in provider

src/vs/workbench/api/browser/mainThreadNotebook.ts

@@ -547,7 +547,10 @@ export class MainThreadNotebooks extends Disposable implements MainThreadNoteboo
 			},
 			executeNotebook: (uri: URI, kernelId: string, cellHandle: number | undefined) => {
 				return that._proxy.$executeNotebookKernelFromProvider(handle, uri, kernelId, cellHandle);
-			}
+			},
+			cancelNotebook: (uri: URI, kernelId: string, cellHandle: number | undefined) => {
+				return that._proxy.$cancelNotebookKernelFromProvider(handle, uri, kernelId, cellHandle);
+			},
 		});
 		this._notebookKernelProviders.set(handle, {
 			extension,

src/vs/workbench/api/common/extHost.protocol.ts

@@ -1622,6 +1622,7 @@ export interface ExtHostNotebookShape {
 	$executeNotebookByAttachedKernel(viewType: string, uri: UriComponents, cellHandle: number | undefined): Promise<void>;
 	$cancelNotebookByAttachedKernel(viewType: string, uri: UriComponents, cellHandle: number | undefined): Promise<void>;
 	$executeNotebookKernelFromProvider(handle: number, uri: UriComponents, kernelId: string, cellHandle: number | undefined): Promise<void>;
+	$cancelNotebookKernelFromProvider(handle: number, uri: UriComponents, kernelId: string, cellHandle: number | undefined): Promise<void>;
 	$executeNotebook2(kernelId: string, viewType: string, uri: UriComponents, cellHandle: number | undefined): Promise<void>;
 	$saveNotebook(viewType: string, uri: UriComponents, token: CancellationToken): Promise<boolean>;
 	$saveNotebookAs(viewType: string, uri: UriComponents, target: UriComponents, token: CancellationToken): Promise<boolean>;

src/vs/workbench/api/common/extHostNotebook.ts

@@ -1294,6 +1294,14 @@ export class ExtHostNotebookController implements ExtHostNotebookShape, ExtHostN
 		});
 	}
 
+	async $cancelNotebookKernelFromProvider(handle: number, uri: UriComponents, kernelId: string, cellHandle: number | undefined): Promise<void> {
+		await this._withAdapter(handle, uri, async (adapter, document) => {
+			let cell = cellHandle !== undefined ? document.getCell(cellHandle) : undefined;
+
+			return adapter.cancelNotebook(kernelId, document, cell);
+		});
+	}
+
 	async $executeNotebook2(kernelId: string, viewType: string, uri: UriComponents, cellHandle: number | undefined): Promise<void> {
 		let document = this._documents.get(URI.revive(uri).toString());
 

src/vs/workbench/contrib/notebook/browser/notebookServiceImpl.ts

@@ -404,6 +404,9 @@ export class NotebookService extends Disposable implements INotebookService, ICu
 					},
 					executeNotebookCell: async (uri: URI, handle: number | undefined) => {
 						return provider.executeNotebook(uri, dto.id, handle);
+					},
+					cancelNotebookCell: (uri: URI, handle: number | undefined): Promise<void> => {
+						return provider.cancelNotebook(uri, dto.id, handle);
 					}
 				};
 			});

src/vs/workbench/contrib/notebook/common/notebookCommon.ts

@@ -672,4 +672,5 @@ export interface INotebookKernelProvider {
 	provideKernels(uri: URI, token: CancellationToken): Promise<INotebookKernelInfoDto2[]>;
 	resolveKernel(editorId: string, uri: UriComponents, kernelId: string, token: CancellationToken): Promise<void>;
 	executeNotebook(uri: URI, kernelId: string, handle: number | undefined): Promise<void>;
+	cancelNotebook(uri: URI, kernelId: string, handle: number | undefined): Promise<void>;
 }