70 lines
1.9 KiB
TypeScript
70 lines
1.9 KiB
TypeScript
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// ============================================================
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// Preload 脚本 — 安全桥接 Main Process 与 Renderer
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// 职责：通过 contextBridge 暴露安全的 API 给前端
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// ============================================================
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import { contextBridge, ipcRenderer } from 'electron'
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// 暴露给渲染进程的 API
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const electronAPI = {
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/**
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* 获取后端 WebSocket 地址
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*/
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getBackendUrl: (): string => {
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return ipcRenderer.sendSync('get-backend-url') as string
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},
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/**
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* 设置后端 WebSocket 地址
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*/
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setBackendUrl: (url: string): void => {
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ipcRenderer.send('set-backend-url', url)
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},
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/**
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* 获取应用版本号
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*/
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getVersion: (): string => {
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return ipcRenderer.sendSync('get-version') as string
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},
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/**
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* 请求摄像头权限（触发 macOS 系统弹窗）
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* 必须在用户交互事件中调用，否则系统弹窗可能被忽略
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*/
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requestCameraAccess: async (): Promise<boolean> => {
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return await ipcRenderer.invoke('request-camera-access') as boolean
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},
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/**
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* 请求麦克风权限（触发 macOS 系统弹窗）
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*/
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requestMicAccess: async (): Promise<boolean> => {
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return await ipcRenderer.invoke('request-mic-access') as boolean
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},
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/**
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* 监听权限授予事件（主进程检测到用户在系统设置中授权后触发）
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* callback 参数 type: 'camera' | 'microphone'
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*/
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onPermissionGranted: (callback: (type: string) => void): void => {
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ipcRenderer.on('permission-granted', (_event, type: string) => callback(type))
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},
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/**
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* 平台信息
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*/
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platform: process.platform,
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/**
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* 判断是否在 Electron 环境中运行
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*/
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isElectron: true,
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}
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// 通过 contextBridge 安全地暴露 API
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contextBridge.exposeInMainWorld('electronAPI', electronAPI)
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// 类型声明，让前端 TypeScript 能识别
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export type ElectronAPI = typeof electronAPI
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