Clean up & Add connection setup

events/EventBus.ts

@@ -0,0 +1,55 @@
+import { Event } from './Events'
+import { ipcMain, ipcRenderer, IpcRenderer, IpcMain } from 'electron'
+
+interface EventBusInterface {
+  subscribe<MessageType>(event: Event<MessageType>, callback:(msg: MessageType) => void): void
+  unsubscribeAll<MessageType>(event: Event<MessageType>): void
+  emit<MessageType>(event: Event<MessageType>, msg: MessageType): void
+}
+
+class IpcMainEventBus implements EventBusInterface {
+  private ipc: IpcMain
+  private client: any
+  constructor(ipc: IpcMain) {
+    this.ipc = ipc
+  }
+
+  public subscribe<MessageType>(event: Event<MessageType>, callback:(msg: MessageType) => void) {
+    console.log('subscribing', event.topic)
+    this.ipc.on(event.topic, (event: any, arg: any) => {
+      this.client = event.sender
+      callback(arg)
+    })
+  }
+
+  public unsubscribeAll<MessageType>(event: Event<MessageType>) {
+    this.ipc.removeAllListeners(event.topic)
+  }
+
+  public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
+    this.client.send(event.topic, msg)
+  }
+}
+
+class IpcRendererEventBus implements EventBusInterface {
+  private ipc: IpcRenderer
+  constructor(ipc: IpcRenderer) {
+    this.ipc = ipc
+  }
+
+  public subscribe<MessageType>(event: Event<MessageType>, callback:(msg: MessageType) => void) {
+    this.ipc.on(event.topic, (_event: any, arg: any) => callback(arg))
+  }
+
+  public unsubscribeAll<MessageType>(event: Event<MessageType>) {
+    this.ipc.removeAllListeners(event.topic)
+  }
+
+  public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
+    console.log(event.topic, msg)
+    this.ipc.send(event.topic, msg)
+  }
+}
+
+export const rendererEvents = new IpcRendererEventBus(ipcRenderer)
+export const backendEvents = new IpcMainEventBus(ipcMain)