vscode-extension-samples/progress-sample/src/extension.ts

/*---------------------------------------------------------
 * Copyright (C) Microsoft Corporation. All rights reserved.
 *--------------------------------------------------------*/

'use strict';

import {
	ExtensionContext,
	StatusBarAlignment,
	window,
	StatusBarItem,
	Selection,
	workspace,
	TextEditor,
	commands,
	ProgressLocation
} from 'vscode';

export function activate(context: ExtensionContext) {
	context.subscriptions.push(
		commands.registerCommand('extension.startTask', () => {
			window.withProgress(
				{
					location: ProgressLocation.Notification,
					title: 'I am long running!',
					cancellable: true
				},
				(progress, token) => {
					token.onCancellationRequested(() => {
						console.log('User canceled the long running operation');
					});

					progress.report({ increment: 0 });

					setTimeout(() => {
						progress.report({ increment: 10, message: 'I am long running! - still going...' });
					}, 1000);

					setTimeout(() => {
						progress.report({ increment: 40, message: 'I am long running! - still going even more...' });
					}, 2000);

					setTimeout(() => {
						progress.report({ increment: 50, message: 'I am long running! - almost there...' });
					}, 3000);

					var p = new Promise(resolve => {
						setTimeout(() => {
							resolve();
						}, 5000);
					});

					return p;
				}
			);
		})
	);
}