Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/workbench/api/browser/mainThreadFileSystemEventService.ts

@@ -0,0 +1,82 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { DisposableStore } from 'vs/base/common/lifecycle';
+import { FileChangeType, IFileService } from 'vs/platform/files/common/files';
+import { extHostCustomer } from 'vs/workbench/api/common/extHostCustomers';
+import { ExtHostContext, FileSystemEvents, IExtHostContext } from '../common/extHost.protocol';
+import { localize } from 'vs/nls';
+import { Extensions, IConfigurationRegistry } from 'vs/platform/configuration/common/configurationRegistry';
+import { Registry } from 'vs/platform/registry/common/platform';
+import { IWorkingCopyFileService } from 'vs/workbench/services/workingCopy/common/workingCopyFileService';
+
+@extHostCustomer
+export class MainThreadFileSystemEventService {
+
+	private readonly _listener = new DisposableStore();
+
+	constructor(
+		extHostContext: IExtHostContext,
+		@IFileService fileService: IFileService,
+		@IWorkingCopyFileService workingCopyFileService: IWorkingCopyFileService
+	) {
+
+		const proxy = extHostContext.getProxy(ExtHostContext.ExtHostFileSystemEventService);
+
+		// file system events - (changes the editor and other make)
+		const events: FileSystemEvents = {
+			created: [],
+			changed: [],
+			deleted: []
+		};
+		this._listener.add(fileService.onDidFilesChange(event => {
+			for (let change of event.changes) {
+				switch (change.type) {
+					case FileChangeType.ADDED:
+						events.created.push(change.resource);
+						break;
+					case FileChangeType.UPDATED:
+						events.changed.push(change.resource);
+						break;
+					case FileChangeType.DELETED:
+						events.deleted.push(change.resource);
+						break;
+				}
+			}
+
+			proxy.$onFileEvent(events);
+			events.created.length = 0;
+			events.changed.length = 0;
+			events.deleted.length = 0;
+		}));
+
+
+		// BEFORE file operation
+		workingCopyFileService.addFileOperationParticipant({
+			participate: (files, operation, progress, timeout, token) => {
+				return proxy.$onWillRunFileOperation(operation, files, timeout, token);
+			}
+		});
+
+		// AFTER file operation
+		this._listener.add(workingCopyFileService.onDidRunWorkingCopyFileOperation(e => proxy.$onDidRunFileOperation(e.operation, e.files)));
+	}
+
+	dispose(): void {
+		this._listener.dispose();
+	}
+}
+
+
+Registry.as<IConfigurationRegistry>(Extensions.Configuration).registerConfiguration({
+	id: 'files',
+	properties: {
+		'files.participants.timeout': {
+			type: 'number',
+			default: 5000,
+			markdownDescription: localize('files.participants.timeout', "Timeout in milliseconds after which file participants for create, rename, and delete are cancelled. Use `0` to disable participants."),
+		}
+	}
+});