Files
mqtt-explorer/events/EventSystem/IpcMainEventBus.ts
2022-02-27 18:46:56 +01:00

35 lines
1.1 KiB
TypeScript

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);
}
}
}