638 lines
24 KiB
TypeScript
638 lines
24 KiB
TypeScript
import {
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app,
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dialog,
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BrowserWindow,
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ipcMain,
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protocol,
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screen,
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session,
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safeStorage,
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powerMonitor,
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powerSaveBlocker,
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} from 'electron'
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import { createReadStream } from 'node:fs'
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import { readFile, stat } from 'node:fs/promises'
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import { basename, join } from 'node:path'
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import { Readable } from 'node:stream'
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import { DiagnosticLog } from './diagnostics.js'
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import { Controller, parseCommand } from './controller.js'
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import { WindowSettings, fitControlBounds, preferredDisplayId } from './window-settings.js'
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import { parseRange } from './range.js'
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import { Online } from './online.js'
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import type { OnlineState } from '../src/types/online.js'
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import { PackageStore } from './package-store.js'
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import { packageMediaResponse } from './package-media.js'
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import type { HostInfo } from '../src/types/screen.js'
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// Ozone выбирается до main.js; поздний appendSwitch смешивает Wayland и X11.
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if (process.platform === 'linux' && app.commandLine.getSwitchValue('ozone-platform') !== 'x11') {
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app.relaunch({ args: [...process.argv.slice(1), '--ozone-platform=x11'] })
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app.exit(0)
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}
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app.commandLine.appendSwitch('autoplay-policy', 'no-user-gesture-required')
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protocol.registerSchemesAsPrivileged([
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{
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scheme: 'screen-app',
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privileges: { standard: true, secure: true, stream: true, supportFetchAPI: true },
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},
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])
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let control: BrowserWindow | null = null
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let output: BrowserWindow | null = null
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let closingWindow: BrowserWindow | null = null
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let openingOutput = false
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let outputEpoch = 0
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let quitting = false
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let selectedDisplay: number | null = null
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let online: Online | null = null
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let settings: WindowSettings
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let sleepBlocker: number | null = null
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let hostNotice = ''
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let suspended = false
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let diagnostics: DiagnosticLog | null = null
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const lastErrors = { main: false, music: false, scene: false }
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let saveTimer: ReturnType<typeof setTimeout> | undefined
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const controller = new Controller((state) => {
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for (const channel of ['main', 'music', 'scene'] as const) {
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const failed =
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channel === 'scene'
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? state.scene.status === 'error'
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: state.channels[channel].status === 'error'
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if (failed && !lastErrors[channel]) diagnostics?.record('media-error', { channel })
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lastErrors[channel] = failed
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}
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for (const window of [control, output])
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if (window && !window.isDestroyed()) window.webContents.send('state', state)
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})
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const rendererRoot = () => join(app.getAppPath(), 'dist')
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function host(): HostInfo {
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const primary = screen.getPrimaryDisplay().id
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return {
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notice: hostNotice,
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sleepBlocked: sleepBlocker !== null && powerSaveBlocker.isStarted(sleepBlocker),
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preferredDisplayId: preferredDisplayId(
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settings?.value.display ?? null,
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screen.getAllDisplays(),
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primary,
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),
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displays: screen
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.getAllDisplays()
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.filter((d) => d.id !== primary)
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.map((d) => ({
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id: d.id,
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label: `${d.label || 'Дисплей'} — ${d.size.width}×${d.size.height}`,
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})),
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}
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}
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function windowOptions(isOutput = false) {
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return {
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backgroundColor: '#111111',
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webPreferences: {
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...(isOutput ? { partition: 'screen-output' } : {}),
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preload: join(__dirname, 'preload.js'),
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nodeIntegration: false,
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contextIsolation: true,
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sandbox: true,
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},
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}
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}
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function secure(window: BrowserWindow) {
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window.webContents.setWindowOpenHandler(() => ({ action: 'deny' }))
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window.webContents.on('will-navigate', (event) => event.preventDefault())
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}
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function requireControl(event: Electron.IpcMainInvokeEvent) {
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if (
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!control ||
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event.sender !== control.webContents ||
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event.senderFrame !== control.webContents.mainFrame
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)
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throw new Error('Недоступно')
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}
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function releaseSleepBlocker() {
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if (sleepBlocker === null) return
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powerSaveBlocker.stop(sleepBlocker)
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sleepBlocker = null
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}
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function closeOutput(reason = '', destroy = true) {
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if (reason) outputEpoch++
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const window = output
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if (!window && (!reason || controller.state.timer.status !== 'running')) return
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diagnostics?.record('output-close', {
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reason: !reason
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? 'operator'
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: reason.includes('сон')
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? 'power'
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: reason.includes('полноэкран')
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? 'fullscreen'
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: reason.includes('Процесс')
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? 'renderer'
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: reason.includes('не отвечает')
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? 'unresponsive'
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: reason.includes('загрузить')
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? 'document'
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: reason.includes('Параметры')
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? 'geometry'
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: 'display',
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})
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output = null
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if (window) closingWindow = window
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selectedDisplay = null
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if (reason)
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hostNotice = `${reason}. Откройте показ заново; медиа остановлены, работающий таймер поставлен на паузу`
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controller.output(false, !!reason)
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releaseSleepBlocker()
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if (destroy && window) {
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// Не уничтожать native-окно повторно внутри его fullscreen/close callback.
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setImmediate(() => {
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if (!window.isDestroyed()) window.destroy()
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})
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}
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}
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function saveWindowSettings() {
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clearTimeout(saveTimer)
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if (!settings) return
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if (control && !control.isDestroyed() && !control.isMinimized())
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settings.value.control = { bounds: control.getNormalBounds(), maximized: control.isMaximized() }
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try {
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settings.save()
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} catch {
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diagnostics?.record('settings-error')
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hostNotice = 'Не удалось сохранить расположение окон; материалы игры не затронуты'
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}
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}
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function keepControlOnPrimary() {
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if (!control || control.isDestroyed()) return
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const before = control.getNormalBounds()
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const after = fitControlBounds(before, screen.getPrimaryDisplay().workArea)
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if (JSON.stringify(before) === JSON.stringify(after)) return
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const maximized = control.isMaximized()
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if (maximized) control.unmaximize()
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control.setBounds(after)
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if (maximized) control.maximize()
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}
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function reconcileDisplays() {
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if (
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output &&
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!screen
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.getAllDisplays()
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.some((d) => d.id === selectedDisplay && d.id !== screen.getPrimaryDisplay().id)
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)
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closeOutput('Выбранный дисплей отключён или стал основным')
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keepControlOnPrimary()
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}
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async function show(displayId: number) {
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if (openingOutput) throw new Error('Подождите открытия окна показа')
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openingOutput = true
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const epoch = outputEpoch
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try {
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if (suspended || quitting) throw new Error('Дождитесь пробуждения компьютера')
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if (online?.blocksOutput) throw new Error('Подождите завершения подготовки материалов')
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const display = screen.getAllDisplays().find((d) => d.id === displayId)
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if (!display || display.id === screen.getPrimaryDisplay().id)
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throw new Error('Выберите внешний дисплей; включите расширенный рабочий стол')
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const geometry = JSON.stringify([display.bounds, display.scaleFactor, display.rotation])
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closeOutput()
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const closing = closingWindow
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if (closing && !closing.isDestroyed())
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await new Promise<void>((resolve) => closing.once('closed', () => setImmediate(resolve)))
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if (online?.blocksOutput) throw new Error('Подождите завершения подготовки материалов')
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const current = screen.getAllDisplays().find((d) => d.id === displayId)
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if (
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epoch !== outputEpoch ||
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suspended ||
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quitting ||
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!current ||
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current.id === screen.getPrimaryDisplay().id ||
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geometry !== JSON.stringify([current.bounds, current.scaleFactor, current.rotation])
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)
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throw new Error('Открытие отменено: изменилось состояние компьютера или дисплея')
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hostNotice = ''
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const window = new BrowserWindow({ ...windowOptions(true), ...display.bounds, show: false })
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output = window
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selectedDisplay = display.id
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settings.value.display = { id: display.id, label: display.label }
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saveWindowSettings()
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secure(window)
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controller.output(true)
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diagnostics?.record('output-open')
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try {
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sleepBlocker = powerSaveBlocker.start('prevent-display-sleep')
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} catch {
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hostNotice = 'Не удалось заблокировать автоматический сон. Проверьте настройки питания ОС'
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}
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window.on('close', () => {
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if (output === window) closeOutput('', false)
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})
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window.on('closed', () => {
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if (output === window) closeOutput('', false)
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if (closingWindow === window) closingWindow = null
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})
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window.on('unresponsive', () => {
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if (output === window) closeOutput('Окно показа не отвечает')
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})
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window.webContents.on('render-process-gone', () => {
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if (output === window) closeOutput('Процесс окна показа завершился')
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})
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window.webContents.on('did-fail-load', (_event, _code, _description, _url, isMainFrame) => {
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if (isMainFrame && output === window) closeOutput('Не удалось загрузить окно показа')
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})
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let enteredFullscreen = false
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window.on('enter-full-screen', () => {
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enteredFullscreen = true
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})
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window.on('leave-full-screen', () => {
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if (enteredFullscreen && output === window)
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closeOutput('Окно показа вышло из полноэкранного режима')
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})
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window.once('ready-to-show', () => {
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if (output !== window || window.isDestroyed()) return
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const current = screen.getAllDisplays().find((d) => d.id === display.id)
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if (
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!current ||
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current.id === screen.getPrimaryDisplay().id ||
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geometry !== JSON.stringify([current.bounds, current.scaleFactor, current.rotation])
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) {
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closeOutput('Параметры дисплея изменились при открытии показа')
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return
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}
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window.show()
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window.setBounds(current.bounds)
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window.setFullScreen(true)
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})
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void window.loadURL('screen-app://app/index.html?output=1').catch(() => {
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if (output === window) closeOutput('Не удалось загрузить окно показа')
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})
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} finally {
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openingOutput = false
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}
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}
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// Две копии приложения не должны одновременно менять указатели пакетов.
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if (!app.requestSingleInstanceLock()) app.exit(0)
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app.on('second-instance', () => {
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control?.show()
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control?.focus()
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})
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app
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.whenReady()
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.then(async () => {
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diagnostics = new DiagnosticLog(join(app.getPath('userData'), 'logs'))
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diagnostics.record('app-start', {
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version: app.getVersion(),
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electron: process.versions.electron,
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platform: process.platform,
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arch: process.arch,
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})
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settings = new WindowSettings(join(app.getPath('userData'), 'windows.json'))
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try {
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await settings.load()
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} catch (error) {
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diagnostics.record('settings-error')
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hostNotice = error instanceof Error ? error.message : 'Не удалось восстановить окна'
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}
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const packages = new PackageStore(join(app.getPath('userData'), 'packages'))
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await packages.initialize()
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online = new Online(
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join(app.getPath('userData'), 'connection'),
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packages,
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controller,
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{
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available: () =>
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safeStorage.isEncryptionAvailable() &&
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(process.platform !== 'linux' ||
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!['basic_text', 'unknown'].includes(safeStorage.getSelectedStorageBackend())),
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encrypt: (value) => safeStorage.encryptString(value),
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decrypt: (value) => safeStorage.decryptString(value),
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},
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undefined,
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(failure) => diagnostics?.record('request-error', failure),
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async () => {
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const result = await dialog.showOpenDialog({
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properties: ['openFile'],
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filters: [{ name: 'MP3', extensions: ['mp3'] }],
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})
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const path = result.filePaths[0]
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if (result.canceled || !path) return null
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const info = await stat(path)
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if (!info.isFile() || !/\.mp3$/i.test(path) || !info.size || info.size > 64 * 1048576)
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throw new Error('Выберите MP3 размером до 64 МиБ')
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return { filename: basename(path), data: await readFile(path) }
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},
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)
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await online.initialize()
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let previousConnection = online.state.connection
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const logConnection = () => {
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const status = online!.state.connection
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if (status !== previousConnection) diagnostics?.record('connection', { status })
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previousConnection = status
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}
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const onlineTick = setInterval(() => {
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void online?.poll().then(logConnection)
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}, 1000)
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const timerTick = setInterval(() => controller.tick(), 250)
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app.on('before-quit', () => {
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quitting = true
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saveWindowSettings()
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closeOutput()
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releaseSleepBlocker()
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clearInterval(timerTick)
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clearInterval(onlineTick)
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online?.close()
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packages.cancel()
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diagnostics?.record('app-stop')
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})
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const handleAppRequest: Parameters<typeof protocol.handle>[1] = async (request) => {
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const url = new URL(request.url)
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const headers = {
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'Content-Security-Policy':
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"default-src 'self' screen-app:; script-src 'self'; style-src 'self' 'unsafe-inline'; media-src screen-app:; img-src 'self' screen-app: data:; connect-src 'self'; frame-ancestors 'none'",
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'X-Content-Type-Options': 'nosniff',
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}
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if (url.host !== 'app' || request.method !== 'GET') return new Response(null, { status: 404 })
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if (url.pathname.startsWith('/packages/')) return packageMediaResponse(packages, request)
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if (url.pathname.startsWith('/media/')) {
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const media =
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url.pathname === '/media/audio'
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? ['audio.wav', 'audio/wav']
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: url.pathname === '/media/video'
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? ['video.mp4', 'video/mp4']
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: null
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if (!media) return new Response(null, { status: 404 })
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const filename = join(
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app.isPackaged ? process.resourcesPath : app.getAppPath(),
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'fixtures',
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media[0],
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)
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try {
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const info = await stat(filename)
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const rangeHeader = request.headers.get('range')
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const range = parseRange(rangeHeader, info.size)
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if (!range)
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return new Response(null, {
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status: 416,
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headers: { 'Content-Range': `bytes */${info.size}` },
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})
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const stream = createReadStream(filename, range)
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request.signal.addEventListener('abort', () => stream.destroy(), { once: true })
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const responseHeaders: Record<string, string> = {
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...headers,
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'Content-Type': media[1],
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'Accept-Ranges': 'bytes',
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'Content-Length': String(range.end - range.start + 1),
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}
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if (rangeHeader)
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responseHeaders['Content-Range'] = `bytes ${range.start}-${range.end}/${info.size}`
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return new Response(Readable.toWeb(stream) as ReadableStream<Uint8Array>, {
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status: rangeHeader ? 206 : 200,
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headers: responseHeaders,
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})
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} catch {
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return new Response('Сначала выполните npm run media:generate', { status: 404 })
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}
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}
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const path = url.pathname
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if (path !== '/index.html' && !/^\/assets\/[a-zA-Z0-9_.-]+$/.test(path))
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return new Response(null, { status: 404 })
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try {
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const { readFile } = await import('node:fs/promises')
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const content = await readFile(join(rendererRoot(), path.slice(1)))
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const type = path.endsWith('.js')
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? 'text/javascript'
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: path.endsWith('.css')
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? 'text/css'
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: 'text/html; charset=utf-8'
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return new Response(content, { headers: { ...headers, 'Content-Type': type } })
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} catch {
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return new Response(null, { status: 404 })
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}
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}
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// Разные сессии изолируют renderer показа от пульта, протокол и запреты одинаковы.
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for (const target of [session.defaultSession, session.fromPartition('screen-output')]) {
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target.setPermissionRequestHandler((_contents, _permission, callback) => callback(false))
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target.setPermissionCheckHandler(() => false)
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target.protocol.handle('screen-app', handleAppRequest)
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}
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control = new BrowserWindow({
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...windowOptions(),
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...fitControlBounds(settings.value.control?.bounds, screen.getPrimaryDisplay().workArea),
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show: false,
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})
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control.once('ready-to-show', () => {
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keepControlOnPrimary()
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if (settings.value.control?.maximized) control!.maximize()
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control!.show()
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})
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const scheduleSave = () => {
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clearTimeout(saveTimer)
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saveTimer = setTimeout(saveWindowSettings, 250)
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}
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control.on('move', scheduleSave)
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control.on('resize', scheduleSave)
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control.on('maximize', scheduleSave)
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control.on('unmaximize', scheduleSave)
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control.on('close', saveWindowSettings)
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secure(control)
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ipcMain.handle('state', (event) => {
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if (
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![control?.webContents, output?.webContents].includes(event.sender) ||
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event.senderFrame !== event.sender.mainFrame
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)
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throw new Error('Недоступно')
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return controller.state
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})
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ipcMain.handle('plan-status', (event) => {
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requireControl(event)
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return online!.planStatus()
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})
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ipcMain.handle('online-state', (event): OnlineState => {
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requireControl(event)
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return online!.snapshot()
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})
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ipcMain.handle('online-action', async (event, intent: unknown) => {
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requireControl(event)
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if (selectingPackage) throw new Error('Подождите проверки пакета')
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const action =
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intent && typeof intent === 'object' && 'action' in intent ? intent.action : null
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try {
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const result = await online!.act(intent)
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if (['download', 'check', 'remove'].includes(String(action)))
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diagnostics?.record('package', { action, status: 'success' })
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return result
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} catch (error) {
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if (['download', 'check', 'remove'].includes(String(action)))
|
||
diagnostics?.record('package', { action, status: 'failed' })
|
||
throw error
|
||
} finally {
|
||
logConnection()
|
||
}
|
||
})
|
||
ipcMain.handle('close-output', (event) => {
|
||
requireControl(event)
|
||
closeOutput()
|
||
})
|
||
ipcMain.handle('host', (event) => {
|
||
requireControl(event)
|
||
return host()
|
||
})
|
||
ipcMain.handle('show', (event, id: unknown) => {
|
||
requireControl(event)
|
||
if (selectingPackage) throw new Error('Подождите проверки пакета')
|
||
if (typeof id !== 'number') throw new Error('Некорректный дисплей')
|
||
return show(id)
|
||
})
|
||
let selectingPackage = false
|
||
ipcMain.handle('packages', (event) => {
|
||
requireControl(event)
|
||
return packages
|
||
.list()
|
||
.map((pkg) => ({ key: pkg.key, version: pkg.version, name: pkg.package.game.name }))
|
||
})
|
||
ipcMain.handle('select-package', async (event, key: unknown) => {
|
||
requireControl(event)
|
||
if (selectingPackage) throw new Error('Подождите проверки пакета')
|
||
if (key !== null && typeof key !== 'string') throw new Error('Некорректный пакет')
|
||
selectingPackage = true
|
||
try {
|
||
await online!.select(key)
|
||
return controller.state
|
||
} finally {
|
||
selectingPackage = false
|
||
}
|
||
})
|
||
let localSession = ''
|
||
let localSequence = 0
|
||
const pendingCommands = new Set<string>()
|
||
ipcMain.handle('command', async (event, command: unknown) => {
|
||
requireControl(event)
|
||
if (selectingPackage) throw new Error('Подождите проверки пакета')
|
||
const parsed = parseCommand(command)
|
||
if (
|
||
!output &&
|
||
['play', 'pause', 'resume', 'stop', 'replay', 'seek', 'next'].includes(parsed.action)
|
||
)
|
||
throw new Error('Сначала откройте окно показа')
|
||
if (parsed.session !== controller.state.session) return
|
||
if (localSession !== parsed.session) {
|
||
localSession = parsed.session
|
||
localSequence = 0
|
||
pendingCommands.clear()
|
||
}
|
||
const pendingKey = `${parsed.session}:${parsed.sequence}`
|
||
if (parsed.sequence <= localSequence || pendingCommands.has(pendingKey)) return
|
||
if (parsed.action !== 'mute') {
|
||
pendingCommands.add(pendingKey)
|
||
try {
|
||
const before = controller.state.sequence
|
||
const operation = online!.planCommand(parsed)
|
||
if (controller.state.sequence !== before)
|
||
localSequence = Math.max(localSequence, parsed.sequence)
|
||
await operation
|
||
if (parsed.session === controller.state.session)
|
||
localSequence = Math.max(localSequence, parsed.sequence)
|
||
} finally {
|
||
pendingCommands.delete(pendingKey)
|
||
}
|
||
} else {
|
||
controller.command({ ...parsed, sequence: controller.state.sequence + 1 })
|
||
localSequence = parsed.sequence
|
||
}
|
||
})
|
||
let capturing = false
|
||
let lastCapture = -Infinity
|
||
ipcMain.handle('preview', async (event) => {
|
||
requireControl(event)
|
||
const window = output
|
||
const state = controller.state
|
||
if (
|
||
!window ||
|
||
window.isDestroyed() ||
|
||
window.webContents.isLoading() ||
|
||
!control?.isVisible() ||
|
||
control.isMinimized() ||
|
||
state.scene.status !== 'ready' ||
|
||
capturing ||
|
||
performance.now() - lastCapture < 500
|
||
)
|
||
return null
|
||
const session = state.session
|
||
const revision = state.scene.revision
|
||
capturing = true
|
||
lastCapture = performance.now()
|
||
try {
|
||
const image = await window.webContents.capturePage()
|
||
if (
|
||
window !== output ||
|
||
window.isDestroyed() ||
|
||
session !== controller.state.session ||
|
||
revision !== controller.state.scene.revision ||
|
||
controller.state.scene.status !== 'ready' ||
|
||
image.isEmpty()
|
||
)
|
||
return null
|
||
return {
|
||
session,
|
||
revision,
|
||
dataURL: image.resize({ width: Math.min(960, image.getSize().width) }).toDataURL(),
|
||
}
|
||
} catch {
|
||
return null
|
||
} finally {
|
||
capturing = false
|
||
}
|
||
})
|
||
ipcMain.on('scene-report', (event, report: unknown) => {
|
||
if (
|
||
event.sender !== output?.webContents ||
|
||
event.senderFrame !== output.webContents.mainFrame
|
||
)
|
||
return
|
||
try {
|
||
controller.reportScene(report)
|
||
} catch {
|
||
diagnostics?.record('invalid-report')
|
||
}
|
||
})
|
||
ipcMain.on('report', (event, report: unknown) => {
|
||
if (
|
||
event.sender !== output?.webContents ||
|
||
event.senderFrame !== output.webContents.mainFrame
|
||
)
|
||
return
|
||
try {
|
||
controller.report(report)
|
||
} catch {
|
||
diagnostics?.record('invalid-report')
|
||
}
|
||
})
|
||
screen.on('display-removed', (_event, display) => {
|
||
if (display.id === selectedDisplay) closeOutput('Дисплей показа отключён')
|
||
reconcileDisplays()
|
||
})
|
||
screen.on('display-added', reconcileDisplays)
|
||
screen.on('display-metrics-changed', (_event, display, metrics) => {
|
||
if (
|
||
display.id === selectedDisplay &&
|
||
metrics.some((m) => ['bounds', 'scaleFactor', 'rotation'].includes(m))
|
||
)
|
||
closeOutput('Изменились разрешение, масштаб или ориентация дисплея')
|
||
reconcileDisplays()
|
||
})
|
||
powerMonitor.on('suspend', () => {
|
||
suspended = true
|
||
closeOutput('Компьютер переходит в сон')
|
||
})
|
||
powerMonitor.on('resume', () => {
|
||
suspended = false
|
||
reconcileDisplays()
|
||
})
|
||
control.on('closed', () => {
|
||
app.quit()
|
||
})
|
||
await control.loadURL('screen-app://app/index.html')
|
||
})
|
||
.catch(() => {
|
||
diagnostics?.record('startup-error')
|
||
console.error('SCREEN_STARTUP_FAILED')
|
||
app.quit()
|
||
})
|
||
app.on('window-all-closed', () => app.quit())
|