Split up ext host <-> main thread communication to separate files

src/vs/workbench/api/node/mainThreadStatusBar.ts

@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import {IStatusbarService, StatusbarAlignment as MainThreadStatusBarAlignment} from 'vs/platform/statusbar/common/statusbar';
+import {IDisposable} from 'vs/base/common/lifecycle';
+
+export class MainThreadStatusBar {
+	private mapIdToDisposable: { [id: number]: IDisposable };
+
+	constructor(
+		@IStatusbarService private statusbarService: IStatusbarService
+	) {
+		this.mapIdToDisposable = Object.create(null);
+	}
+
+	setEntry(id: number, text: string, tooltip: string, command: string, color: string, alignment: MainThreadStatusBarAlignment, priority: number): void {
+
+		// Dispose any old
+		this.dispose(id);
+
+		// Add new
+		let disposeable = this.statusbarService.addEntry({ text, tooltip, command, color }, alignment, priority);
+		this.mapIdToDisposable[id] = disposeable;
+	}
+
+	dispose(id: number) {
+		let disposeable = this.mapIdToDisposable[id];
+		if (disposeable) {
+			disposeable.dispose();
+		}
+
+		delete this.mapIdToDisposable[id];
+	}
+}