add telemetry enablement api (#117944)

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

@@ -0,0 +1,31 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
+import { Event, Emitter } from 'vs/base/common/event';
+import { ExtHostTelemetryShape } from 'vs/workbench/api/common/extHost.protocol';
+
+export class ExtHostTelemetry implements ExtHostTelemetryShape {
+	private readonly _onDidChangeTelemetryEnabled = new Emitter<boolean>();
+	readonly onDidChangeTelemetryEnabled: Event<boolean> = this._onDidChangeTelemetryEnabled.event;
+
+	private _enabled: boolean = false;
+
+	getTelemetryEnabled(): boolean {
+		return this._enabled;
+	}
+
+	$initializeTelemetryEnabled(enabled: boolean): void {
+		this._enabled = enabled;
+	}
+
+	$onDidChangeTelemetryEnabled(enabled: boolean): void {
+		this._enabled = enabled;
+		this._onDidChangeTelemetryEnabled.fire(enabled);
+	}
+}
+
+export const IExtHostTelemetry = createDecorator<IExtHostTelemetry>('IExtHostTelemetry');
+export interface IExtHostTelemetry extends ExtHostTelemetry, ExtHostTelemetryShape { }