Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/platform/ipc/electron-sandbox/mainProcessService.ts

@@ -0,0 +1,43 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IChannel, IServerChannel } from 'vs/base/parts/ipc/common/ipc';
+import { Client } from 'vs/base/parts/ipc/electron-sandbox/ipc.electron-sandbox';
+import { Disposable } from 'vs/base/common/lifecycle';
+import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
+
+export const IMainProcessService = createDecorator<IMainProcessService>('mainProcessService');
+
+export interface IMainProcessService {
+
+	readonly _serviceBrand: undefined;
+
+	getChannel(channelName: string): IChannel;
+
+	registerChannel(channelName: string, channel: IServerChannel<string>): void;
+}
+
+export class MainProcessService extends Disposable implements IMainProcessService {
+
+	declare readonly _serviceBrand: undefined;
+
+	private mainProcessConnection: Client;
+
+	constructor(
+		windowId: number
+	) {
+		super();
+
+		this.mainProcessConnection = this._register(new Client(`window:${windowId}`));
+	}
+
+	getChannel(channelName: string): IChannel {
+		return this.mainProcessConnection.getChannel(channelName);
+	}
+
+	registerChannel(channelName: string, channel: IServerChannel<string>): void {
+		this.mainProcessConnection.registerChannel(channelName, channel);
+	}
+}