122 lines
		
	
	
	
		
			3.7 KiB
			
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
	
		
			3.7 KiB
			
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import * as fs from 'fs'
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import * as path from 'path'
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import { deprecate, Menu } from 'electron'
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import { EventEmitter } from 'events'
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const bindings = process.electronBinding('app')
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const commandLine = process.electronBinding('command_line')
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const { app, App } = bindings
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// Only one app object permitted.
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export default app
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let dockMenu: Electron.Menu | null = null
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// App is an EventEmitter.
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Object.setPrototypeOf(App.prototype, EventEmitter.prototype)
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EventEmitter.call(app as any)
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Object.assign(app, {
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  commandLine: {
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    hasSwitch: (theSwitch: string) => commandLine.hasSwitch(String(theSwitch)),
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    getSwitchValue: (theSwitch: string) => commandLine.getSwitchValue(String(theSwitch)),
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    appendSwitch: (theSwitch: string, value?: string) => commandLine.appendSwitch(String(theSwitch), typeof value === 'undefined' ? value : String(value)),
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    appendArgument: (arg: string) => commandLine.appendArgument(String(arg))
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  } as Electron.CommandLine
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})
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// we define this here because it'd be overly complicated to
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// do in native land
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Object.defineProperty(app, 'applicationMenu', {
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  get () {
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    return Menu.getApplicationMenu()
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  },
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  set (menu: Electron.Menu | null) {
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    return Menu.setApplicationMenu(menu)
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  }
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})
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App.prototype.isPackaged = (() => {
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  const execFile = path.basename(process.execPath).toLowerCase()
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  if (process.platform === 'win32') {
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    return execFile !== 'electron.exe'
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  }
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  return execFile !== 'electron'
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})()
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app._setDefaultAppPaths = (packagePath) => {
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  // Set the user path according to application's name.
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  app.setPath('userData', path.join(app.getPath('appData'), app.name!))
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  app.setPath('userCache', path.join(app.getPath('cache'), app.name!))
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  app.setAppPath(packagePath)
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  // Add support for --user-data-dir=
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  if (app.commandLine.hasSwitch('user-data-dir')) {
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    const userDataDir = app.commandLine.getSwitchValue('user-data-dir')
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    if (path.isAbsolute(userDataDir)) app.setPath('userData', userDataDir)
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  }
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}
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if (process.platform === 'darwin') {
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  const setDockMenu = app.dock!.setMenu
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  app.dock!.setMenu = (menu) => {
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    dockMenu = menu
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    setDockMenu(menu)
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  }
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  app.dock!.getMenu = () => dockMenu
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}
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if (process.platform === 'linux') {
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  const patternVmRSS = /^VmRSS:\s*(\d+) kB$/m
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  const patternVmHWM = /^VmHWM:\s*(\d+) kB$/m
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  const getStatus = (pid: number) => {
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    try {
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      return fs.readFileSync(`/proc/${pid}/status`, 'utf8')
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    } catch {
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      return ''
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    }
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  }
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  const getEntry = (file: string, pattern: RegExp) => {
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    const match = file.match(pattern)
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    return match ? parseInt(match[1], 10) : 0
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  }
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  const getProcessMemoryInfo = (pid: number) => {
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    const file = getStatus(pid)
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    return {
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      workingSetSize: getEntry(file, patternVmRSS),
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      peakWorkingSetSize: getEntry(file, patternVmHWM)
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    }
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  }
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  const nativeFn = app.getAppMetrics
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  app.getAppMetrics = () => {
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    const metrics = nativeFn.call(app)
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    for (const metric of metrics) {
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      metric.memory = getProcessMemoryInfo(metric.pid)
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    }
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    return metrics
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  }
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}
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// Routes the events to webContents.
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const events = ['certificate-error', 'select-client-certificate']
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for (const name of events) {
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  app.on(name as 'certificate-error', (event, webContents, ...args: any[]) => {
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    webContents.emit(name, event, ...args)
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  })
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}
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// Property Deprecations
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deprecate.fnToProperty(App.prototype, 'accessibilitySupportEnabled', '_isAccessibilitySupportEnabled', '_setAccessibilitySupportEnabled')
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deprecate.fnToProperty(App.prototype, 'badgeCount', '_getBadgeCount', '_setBadgeCount')
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deprecate.fnToProperty(App.prototype, 'name', '_getName', '_setName')
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// Wrappers for native classes.
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const { DownloadItem } = process.electronBinding('download_item')
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Object.setPrototypeOf(DownloadItem.prototype, EventEmitter.prototype)
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