vdi/pc-fe/src/main/preload.ts

import { contextBridge, ipcRenderer } from 'electron';

// 页面调用的方法：桥接前端和主进程
contextBridge.exposeInMainWorld('electronAPI', {
  getPlatform: async () => {
    return await ipcRenderer.invoke('getPlatform');
  },
  closeApp: () => ipcRenderer.send('close-app'),
  minimizeApp: () => ipcRenderer.send('minimize-app'),
  exitKiosk: () => ipcRenderer.send('exit-kiosk'),

   // 新增的 gRPC API
  grpcStartDownload: (config: any) => ipcRenderer.invoke('grpc-start-download', config),
  grpcStopDownload: (downloadId: string) => ipcRenderer.invoke('grpc-stop-download', downloadId),
  grpcCheckConnection: () => ipcRenderer.invoke('grpc-check-connection'),
  // gRPC 进度监听
  onGrpcProgress: (callback: (progress: any) => void) => {
    ipcRenderer.on('grpc-progress-update', (_, progress) => callback(progress));
  },
  // 移除监听器
  removeAllGrpcProgressListeners: () => {
    ipcRenderer.removeAllListeners('grpc-progress-update');
  },

  // 事件监听
  onMainProcessMessage: (callback: (data: string) => void) => {
    ipcRenderer.on('main-process-message', (_, data) => callback(data));
  },
  
  on(...args: Parameters<typeof ipcRenderer.on>) {
    const [channel, listener] = args
    return ipcRenderer.on(channel, (event, ...args) => listener(event, ...args))
  },
  off(...args: Parameters<typeof ipcRenderer.off>) {
    const [channel, ...omit] = args
    return ipcRenderer.off(channel, ...omit)
  },
  send(...args: Parameters<typeof ipcRenderer.send>) {
    const [channel, ...omit] = args
    return ipcRenderer.send(channel, ...omit)
  },
  invoke(...args: Parameters<typeof ipcRenderer.invoke>) {
    const [channel, ...omit] = args
    return ipcRenderer.invoke(channel, ...omit)
  }
});