activate extension by notebook view type

extensions/notebook-test/package.json

@@ -19,7 +19,8 @@
     "Other"
   ],
   "activationEvents": [
-    "*"
+    "onNotebookEditor:jupyter",
+    "onNotebookEditor:jupytertest"
   ],
   "contributes": {
     "commands": [

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

@@ -288,7 +288,7 @@ export class NotebookEditor extends BaseEditor implements INotebookEditor {
 				return input.resolve();
 			})
 			.then(async model => {
-				if (this.model !== undefined && this.model.textModel === model.textModel && this.webview !== null) {
+				if (this.model !== undefined && this.model === model && this.webview !== null) {
 					return;
 				}
 

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

@@ -4,8 +4,6 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { EditorInput, EditorModel, IEditorInput, GroupIdentifier, ISaveOptions } from 'vs/workbench/common/editor';
-import { ITextModelService } from 'vs/editor/common/services/resolverService';
-import { ITextModel } from 'vs/editor/common/model';
 import { Emitter, Event } from 'vs/base/common/event';
 import { INotebookService } from 'vs/workbench/contrib/notebook/browser/notebookService';
 import { INotebook, ICell, NotebookCellsSplice } from 'vs/workbench/contrib/notebook/common/notebookCommon';
@@ -21,8 +19,7 @@ export class NotebookEditorModel extends EditorModel {
 	get onDidChangeCells(): Event<NotebookCellsSplice[]> { return this._onDidChangeCells.event; }
 
 	constructor(
-		public readonly textModel: ITextModel,
-		private _notebook: INotebook | undefined
+		private _notebook: INotebook
 	) {
 		super();
 
@@ -44,14 +41,7 @@ export class NotebookEditorModel extends EditorModel {
 	}
 
 	getNotebook(): INotebook {
-		if (this._notebook) {
-			return this._notebook;
-		}
-
-		// TODO, remove file based notebook from core
-		let content = this.textModel.getValue();
-		this._notebook = JSON.parse(content);
-		return this._notebook!;
+		return this._notebook;
 	}
 
 	insertCell(cell: ICell, index: number) {
@@ -100,8 +90,7 @@ export class NotebookEditorInput extends EditorInput {
 		public resource: URI,
 		public name: string,
 		public readonly viewType: string | undefined,
-		@INotebookService private readonly notebookService: INotebookService,
-		@ITextModelService private readonly textModelResolverService: ITextModelService
+		@INotebookService private readonly notebookService: INotebookService
 	) {
 		super();
 	}
@@ -128,21 +117,15 @@ export class NotebookEditorInput extends EditorInput {
 		return undefined;
 	}
 
-	resolve(): Promise<NotebookEditorModel> {
+	async resolve(): Promise<NotebookEditorModel> {
 		if (!this.promise) {
-			this.promise = this.textModelResolverService.createModelReference(this.resource)
-				.then(async ref => {
-					const textModel = ref.object.textEditorModel;
-
-					let notebook: INotebook | undefined = undefined;
-					if (this.viewType !== undefined) {
-						notebook = await this.notebookService.resolveNotebook(this.viewType, this.resource);
-					}
-
-					this.textModel = new NotebookEditorModel(textModel, notebook);
-					this.textModel.onDidChangeDirty(() => this._onDidChangeDirty.fire());
-					return this.textModel;
-				});
+			await this.notebookService.canResolve(this.viewType!);
+
+			this.promise = this.notebookService.resolveNotebook(this.viewType!, this.resource).then(notebook => {
+				this.textModel = new NotebookEditorModel(notebook!);
+				this.textModel.onDidChangeDirty(() => this._onDidChangeDirty.fire());
+				return this.textModel;
+			});
 		}
 
 		return this.promise;

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

@@ -11,6 +11,7 @@ import { NotebookProviderInfo } from 'vs/workbench/contrib/notebook/common/noteb
 import { NotebookExtensionDescription } from 'vs/workbench/api/common/extHost.protocol';
 import { Emitter, Event } from 'vs/base/common/event';
 import { INotebook, ICell, INotebookMimeTypeSelector } from 'vs/workbench/contrib/notebook/common/notebookCommon';
+import { IExtensionService } from 'vs/workbench/services/extensions/common/extensions';
 
 function MODEL_ID(resource: URI): string {
 	return resource.toString();
@@ -30,6 +31,7 @@ export interface IMainNotebookController {
 
 export interface INotebookService {
 	_serviceBrand: undefined;
+	canResolve(viewType: string): Promise<void>;
 	onDidChangeActiveEditor: Event<{ viewType: string, uri: URI }>;
 	registerNotebookController(viewType: string, extensionData: NotebookExtensionDescription, controller: IMainNotebookController): void;
 	unregisterNotebookProvider(viewType: string): void;
@@ -97,8 +99,11 @@ export class NotebookService extends Disposable implements INotebookService {
 	private readonly _models: { [modelId: string]: ModelData; };
 	private _onDidChangeActiveEditor = new Emitter<{ viewType: string, uri: URI }>();
 	onDidChangeActiveEditor: Event<{ viewType: string, uri: URI }> = this._onDidChangeActiveEditor.event;
+	private _resolvePool = new Map<string, () => void>();
 
-	constructor() {
+	constructor(
+		@IExtensionService private readonly extensionService: IExtensionService
+	) {
 		super();
 
 		this._models = {};
@@ -119,8 +124,27 @@ export class NotebookService extends Disposable implements INotebookService {
 
 	}
 
+	async canResolve(viewType: string): Promise<void> {
+		if (this._notebookProviders.has(viewType)) {
+			return;
+		}
+
+		this.extensionService.activateByEvent(`onNotebookEditor:${viewType}`);
+
+		let resolve: () => void;
+		const promise = new Promise<void>(r => { resolve = r; });
+		this._resolvePool.set(viewType, resolve!);
+		return promise;
+	}
+
 	registerNotebookController(viewType: string, extensionData: NotebookExtensionDescription, controller: IMainNotebookController) {
 		this._notebookProviders.set(viewType, { extensionData, controller });
+
+		let resolve = this._resolvePool.get(viewType);
+		if (resolve) {
+			resolve();
+			this._resolvePool.delete(viewType);
+		}
 	}
 
 	unregisterNotebookProvider(viewType: string): void {

src/vs/workbench/services/editor/browser/editorService.ts

@@ -5,7 +5,7 @@
 
 import { IInstantiationService, ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
 import { IResourceInput, ITextEditorOptions, IEditorOptions, EditorActivation } from 'vs/platform/editor/common/editor';
-import { SideBySideEditor as SideBySideEditorChoice, IEditorInput, IEditor, GroupIdentifier, IFileEditorInput, IUntitledTextResourceInput, IResourceDiffInput, IResourceSideBySideInput, IEditorInputFactoryRegistry, Extensions as EditorExtensions, IFileInputFactory, EditorInput, SideBySideEditorInput, IEditorInputWithOptions, isEditorInputWithOptions, EditorOptions, TextEditorOptions, IEditorIdentifier, IEditorCloseEvent, ITextEditor, ITextDiffEditor, ITextSideBySideEditor, IRevertOptions, SaveReason, EditorsOrder, isTextEditor, ICompositeCodeEditor, IWorkbenchEditorConfiguration, toResource } from 'vs/workbench/common/editor';
+import { SideBySideEditor as SideBySideEditorChoice, IEditorInput, IEditor, GroupIdentifier, IFileEditorInput, IUntitledTextResourceInput, IResourceDiffInput, IResourceSideBySideInput, IEditorInputFactoryRegistry, Extensions as EditorExtensions, EditorInput, SideBySideEditorInput, IEditorInputWithOptions, isEditorInputWithOptions, EditorOptions, TextEditorOptions, IEditorIdentifier, IEditorCloseEvent, ITextEditor, ITextDiffEditor, ITextSideBySideEditor, IRevertOptions, SaveReason, EditorsOrder, isTextEditor, ICompositeCodeEditor, IWorkbenchEditorConfiguration, toResource } from 'vs/workbench/common/editor';
 import { ResourceEditorInput } from 'vs/workbench/common/editor/resourceEditorInput';
 import { Registry } from 'vs/platform/registry/common/platform';
 import { ResourceMap } from 'vs/base/common/map';