// Disposable native-provider fixture, launched only on an isolated desktop.
const { app, BrowserWindow, ipcMain } = require('electron')
const fs = require('node:fs')
const path = require('node:path')
const dir = process.env.BENCH_STATE_DIR
const instance = process.env.BENCH_INSTANCE
process.on('uncaughtException', (error) => {
console.error(error)
app.exit(1)
})
if (process.env.ORCA_COMPUTER_BENCH_ISOLATED !== '1') {
process.exit(1)
}
app.whenReady().then(() => {
const w = new BrowserWindow({
x: 60,
y: 60,
width: 760,
height: 560,
title: 'BenchElectron',
webPreferences: { nodeIntegration: true, contextIsolation: false, backgroundThrottling: false }
})
const nativeWindowId =
process.platform === 'linux' ? w.getNativeWindowHandle().readUInt32LE() : null
ipcMain.on('st', (_event, state) => {
const data = JSON.stringify({
...state,
instance,
activeForm: w.isFocused(),
pid: process.pid,
nativeWindowId
})
try {
fs.writeFileSync(path.join(dir, 'state.json.tmp'), data)
fs.renameSync(path.join(dir, 'state.json.tmp'), path.join(dir, 'state.json'))
} catch (error) {
// Windows readers can briefly deny replacement; the next state tick retries.
if (!['EACCES', 'EPERM', 'EBUSY'].includes(error.code)) {
throw error
}
}
})
w.loadURL(
`data:text/html,${encodeURIComponent(`BenchElectron
`)}`
)
if (process.env.BENCH_FOCUS_SIBLING === '1') {
const sibling = new BrowserWindow({
x: 400,
y: 300,
width: 300,
height: 200,
title: 'BenchSibling'
})
sibling.loadURL('data:text/html,BenchSibling')
w.on('closed', () => sibling.close())
}
setInterval(() => {
const cmdPath = path.join(dir, 'cmd')
if (!fs.existsSync(cmdPath)) {
return
}
const raw = fs.readFileSync(cmdPath, 'utf8').trim()
if (raw) {
const cmd = JSON.parse(raw)
fs.unlinkSync(cmdPath)
if (cmd.instance === instance) {
w.webContents.send('cmd', cmd)
}
}
}, 30)
})