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