add rpc system to improve ipc

events/EventSystem/IpcMainEventBus.ts

@@ -0,0 +1,34 @@
+import { IpcMain } from 'electron';
+import { Event } from '../Events';
+import { EventBusInterface } from "./EventBusInterface";
+
+export class IpcMainEventBus implements EventBusInterface {
+    private ipc: IpcMain;
+    private client: any;
+    constructor(ipc: IpcMain) {
+        this.ipc = ipc;
+    }
+
+    public subscribe<MessageType>(subscribeEvent: Event<MessageType>, callback: (msg: MessageType) => void) {
+        console.log('subscribing', subscribeEvent.topic);
+        this.ipc.on(subscribeEvent.topic, (event: any, arg: any) => {
+            this.client = event.sender;
+            callback(arg);
+        });
+    }
+
+    public unsubscribeAll<MessageType>(event: Event<MessageType>) {
+        console.log('unsubscribeAll', event.topic);
+        this.ipc.removeAllListeners(event.topic);
+    }
+
+    public unsubscribe<MessageType>(event: Event<MessageType>, callback: any) {
+        throw new Error('Not implemented'); // Todo: implement
+    }
+
+    public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
+        if (!this.client.isDestroyed()) {
+            this.client.send(event.topic, msg);
+        }
+    }
+}