249 lines
8.3 KiB
TypeScript
249 lines
8.3 KiB
TypeScript
// ============================================================
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// CamTalk Desktop — Main Process 入口
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// 职责：应用生命周期管理、窗口创建、权限授予、IPC 处理
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// ============================================================
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import { app, BrowserWindow, dialog, ipcMain, shell, systemPreferences } from 'electron'
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import { createMainWindow } from './window'
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import { setupPermissions } from './permissions'
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import { getBackendUrl, setBackendUrl } from './config'
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// 安全的 console.log，防止管道断裂时 EPIPE 崩溃
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function safeLog(...args: unknown[]): void {
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try { console.log(...args) } catch { /* EPIPE 等管道错误，忽略 */ }
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}
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let mainWindow: BrowserWindow | null = null
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// ---- IPC 处理 ----
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ipcMain.on('get-backend-url', (event) => {
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event.returnValue = getBackendUrl()
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})
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ipcMain.on('set-backend-url', (_, url: string) => {
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setBackendUrl(url)
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safeLog('[IPC] 后端地址已更新:', url)
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})
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ipcMain.on('get-version', (event) => {
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event.returnValue = app.getVersion()
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})
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// IPC: 渲染进程请求摄像头权限
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// macOS 26 下 askForMediaAccess 对 ad-hoc 签名不弹窗，
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// 因此先尝试 askForMediaAccess，若失败则仍放行让 getUserMedia 自然触发系统弹窗
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ipcMain.handle('request-camera-access', async () => {
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if (process.platform !== 'darwin') return true
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const status = systemPreferences.getMediaAccessStatus('camera')
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safeLog(`[Media] 摄像头权限状态: ${status}`)
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if (status === 'granted') return true
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if (status === 'not-determined') {
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// 先尝试 askForMediaAccess（某些 macOS 版本会弹窗）
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const granted = await systemPreferences.askForMediaAccess('camera')
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safeLog(`[Media] askForMediaAccess('camera') 结果: ${granted}`)
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if (granted) return true
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// macOS 26 下 askForMediaAccess 可能不弹窗直接返回 false
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// 仍然放行，让渲染进程的 getUserMedia 尝试自然触发系统弹窗
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safeLog('[Media] askForMediaAccess 未授权，交由 getUserMedia 自然触发')
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}
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return true // 始终放行
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})
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// IPC: 渲染进程请求麦克风权限
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ipcMain.handle('request-mic-access', async () => {
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if (process.platform !== 'darwin') return true
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const status = systemPreferences.getMediaAccessStatus('microphone')
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safeLog(`[Media] 麦克风权限状态: ${status}`)
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if (status === 'granted') return true
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if (status === 'not-determined') {
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const granted = await systemPreferences.askForMediaAccess('microphone')
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safeLog(`[Media] 麦克风权限: ${granted ? '已授予' : '已拒绝'}`)
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return granted
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}
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return false
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})
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/**
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* 请求 macOS 摄像头/麦克风权限
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*
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* 策略（依次尝试）：
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* 1. systemPreferences.askForMediaAccess — 正式签名时弹系统 TCC 弹窗
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* 2. renderer 执行 getUserMedia — 兜底触发 macOS TCC 弹窗
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* 3. 若仍未授权 → 应用内弹窗引导用户一键打开系统设置，并自动轮询权限变化
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*/
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async function requestMediaAccess(win: BrowserWindow): Promise<void> {
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if (process.platform !== 'darwin') return
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// ---------- 摄像头 ----------
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let camStatus = systemPreferences.getMediaAccessStatus('camera')
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safeLog(`[Media] 摄像头初始状态: ${camStatus}`)
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if (camStatus !== 'granted') {
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if (camStatus === 'not-determined') {
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const asked = await systemPreferences.askForMediaAccess('camera')
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safeLog(`[Media] askForMediaAccess('camera') => ${asked}`)
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}
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camStatus = systemPreferences.getMediaAccessStatus('camera')
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if (camStatus !== 'granted') {
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safeLog('[Media] 尝试 getUserMedia 兜底触发 TCC...')
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try {
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await win.webContents.executeJavaScript(`
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navigator.mediaDevices.getUserMedia({ video: true })
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.then(s => { s.getTracks().forEach(t => t.stop()); true })
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.catch(() => false)
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`, true)
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} catch (e) {
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safeLog('[Media] getUserMedia 异常:', e)
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}
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await new Promise(r => setTimeout(r, 2000))
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}
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camStatus = systemPreferences.getMediaAccessStatus('camera')
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safeLog(`[Media] 摄像头最终状态: ${camStatus}`)
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if (camStatus !== 'granted') {
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await showPermissionDialog(win, 'camera')
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}
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}
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// ---------- 麦克风 ----------
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let micStatus = systemPreferences.getMediaAccessStatus('microphone')
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safeLog(`[Media] 麦克风初始状态: ${micStatus}`)
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if (micStatus !== 'granted') {
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if (micStatus === 'not-determined') {
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const asked = await systemPreferences.askForMediaAccess('microphone')
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safeLog(`[Media] askForMediaAccess('microphone') => ${asked}`)
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}
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micStatus = systemPreferences.getMediaAccessStatus('microphone')
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if (micStatus !== 'granted') {
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try {
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await win.webContents.executeJavaScript(`
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navigator.mediaDevices.getUserMedia({ audio: true })
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.then(s => { s.getTracks().forEach(t => t.stop()); true })
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.catch(() => false)
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`, true)
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} catch (e) {
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safeLog('[Media] getUserMedia 异常:', e)
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}
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await new Promise(r => setTimeout(r, 2000))
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}
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micStatus = systemPreferences.getMediaAccessStatus('microphone')
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safeLog(`[Media] 麦克风最终状态: ${micStatus}`)
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if (micStatus !== 'granted') {
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await showPermissionDialog(win, 'microphone')
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}
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}
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}
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/**
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* 应用内权限引导弹窗
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* - 一键打开系统设置对应的隐私页面
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* - 后台自动轮询权限状态，授权后立刻通知 renderer 刷新
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*/
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async function showPermissionDialog(
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win: BrowserWindow,
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type: 'camera' | 'microphone',
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): Promise<void> {
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const label = type === 'camera' ? '摄像头' : '麦克风'
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const settingsURL =
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type === 'camera'
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? 'x-apple.systempreferences:com.apple.preference.security?Privacy_Camera'
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: 'x-apple.systempreferences:com.apple.preference.security?Privacy_Microphone'
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safeLog(`[Media] 弹出${label}权限引导弹窗`)
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const { response } = await dialog.showMessageBox(win, {
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type: 'info',
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title: `需要${label}权限`,
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message: `CamTalk 需要${label}权限才能正常使用。`,
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detail:
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`请点击下方按钮打开系统设置，在列表中找到「Electron」并开启${label}权限。\n\n` +
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`授权后应用会自动检测并立即启用。`,
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buttons: [`打开${label}设置`, '暂时跳过'],
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defaultId: 0,
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cancelId: 1,
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})
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if (response === 0) {
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shell.openExternal(settingsURL)
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// 轮询等待用户授权（最多 120 秒）
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safeLog(`[Media] 开始轮询${label}权限状态...`)
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const granted = await pollPermission(type, 120_000)
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if (granted) {
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safeLog(`[Media] ✅ ${label}权限已授予，通知 renderer 刷新`)
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win.webContents.send('permission-granted', type)
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} else {
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safeLog(`[Media] ⏰ ${label}权限轮询超时`)
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}
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}
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}
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/** 轮询权限状态直到 granted 或超时 */
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function pollPermission(
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type: 'camera' | 'microphone',
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timeoutMs: number,
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): Promise<boolean> {
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return new Promise((resolve) => {
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const start = Date.now()
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const timer = setInterval(() => {
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const status = systemPreferences.getMediaAccessStatus(type)
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if (status === 'granted') {
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clearInterval(timer)
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resolve(true)
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} else if (Date.now() - start > timeoutMs) {
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clearInterval(timer)
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resolve(false)
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}
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}, 1000)
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})
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}
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app.whenReady().then(async () => {
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setupPermissions()
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mainWindow = createMainWindow()
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// macOS: 窗口加载完成后主动请求摄像头和麦克风权限
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mainWindow.webContents.once('did-finish-load', async () => {
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safeLog('[Media] 页面加载完成，开始请求媒体权限...')
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await requestMediaAccess(mainWindow!)
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})
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// 安全地转发渲染进程日志（防 EPIPE 崩溃）
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mainWindow.webContents.on('console-message', (_event, _level, message) => {
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if (!message.includes('Autofill') && !message.includes('Failed to fetch')) {
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safeLog(`[Renderer] ${message}`)
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}
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})
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app.on('activate', () => {
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if (BrowserWindow.getAllWindows().length === 0) {
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mainWindow = createMainWindow()
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}
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})
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})
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app.on('window-all-closed', () => {
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if (process.platform !== 'darwin') {
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app.quit()
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}
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})
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app.on('web-contents-created', (_, contents) => {
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contents.setWindowOpenHandler(({ url }) => {
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if (url.startsWith('http://localhost:')) {
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return { action: 'allow' }
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}
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shell.openExternal(url)
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return { action: 'deny' }
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})
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})
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