Switch from virtualdom to React

src/main/announcement.js

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+module.exports = {
+  init
+}
+
+var electron = require('electron')
+
+var config = require('../config')
+var log = require('./log')
+
+var ANNOUNCEMENT_URL = config.ANNOUNCEMENT_URL +
+  '?version=' + config.APP_VERSION +
+  '&platform=' + process.platform
+
+/**
+ * In certain situations, the WebTorrent team may need to show an announcement to
+ * all WebTorrent Desktop users. For example: a security notice, or an update
+ * notification (if the auto-updater stops working).
+ *
+ * When there is an announcement, the `ANNOUNCEMENT_URL` endpoint should return an
+ * HTTP 200 status code with a JSON object like this:
+ *
+ *   {
+ *     "title": "WebTorrent Desktop Announcement",
+ *     "message": "Security Issue in v0.xx",
+ *     "detail": "Please update to v0.xx as soon as possible..."
+ *   }
+ */
+function init () {
+  var get = require('simple-get')
+  get.concat(ANNOUNCEMENT_URL, onResponse)
+}
+
+function onResponse (err, res, data) {
+  if (err) return log(`Failed to retrieve announcement: ${err.message}`)
+  if (res.statusCode !== 200) return log('No announcement exists')
+
+  try {
+    data = JSON.parse(data.toString())
+  } catch (err) {
+    // Support plaintext announcement messages, using a default title.
+    data = {
+      title: 'WebTorrent Desktop Announcement',
+      message: data.toString(),
+      detail: data.toString()
+    }
+  }
+
+  electron.dialog.showMessageBox({
+    type: 'info',
+    buttons: ['OK'],
+    title: data.title,
+    message: data.message,
+    detail: data.detail
+  }, noop)
+}
+
+function noop () {}

src/main/dialog.js

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+module.exports = {
+  openSeedFile,
+  openSeedDirectory,
+  openTorrentFile,
+  openTorrentAddress,
+  openFiles
+}
+
+var electron = require('electron')
+
+var config = require('../config')
+var log = require('./log')
+var windows = require('./windows')
+
+/**
+ * Show open dialog to create a single-file torrent.
+ */
+function openSeedFile () {
+  if (!windows.main.win) return
+  log('openSeedFile')
+  var opts = {
+    title: 'Select a file for the torrent.',
+    properties: [ 'openFile' ]
+  }
+  setTitle(opts.title)
+  electron.dialog.showOpenDialog(windows.main.win, opts, function (selectedPaths) {
+    resetTitle()
+    if (!Array.isArray(selectedPaths)) return
+    windows.main.dispatch('showCreateTorrent', selectedPaths)
+  })
+}
+
+/*
+ * Show open dialog to create a single-file or single-directory torrent. On
+ * Windows and Linux, open dialogs are for files *or* directories only, not both,
+ * so this function shows a directory dialog on those platforms.
+ */
+function openSeedDirectory () {
+  if (!windows.main.win) return
+  log('openSeedDirectory')
+  var opts = process.platform === 'darwin'
+    ? {
+      title: 'Select a file or folder for the torrent.',
+      properties: [ 'openFile', 'openDirectory' ]
+    }
+    : {
+      title: 'Select a folder for the torrent.',
+      properties: [ 'openDirectory' ]
+    }
+  setTitle(opts.title)
+  electron.dialog.showOpenDialog(windows.main.win, opts, function (selectedPaths) {
+    resetTitle()
+    if (!Array.isArray(selectedPaths)) return
+    windows.main.dispatch('showCreateTorrent', selectedPaths)
+  })
+}
+
+/*
+ * Show flexible open dialog that supports selecting .torrent files to add, or
+ * a file or folder to create a single-file or single-directory torrent.
+ */
+function openFiles () {
+  if (!windows.main.win) return
+  log('openFiles')
+  var opts = process.platform === 'darwin'
+    ? {
+      title: 'Select a file or folder to add.',
+      properties: [ 'openFile', 'openDirectory' ]
+    }
+    : {
+      title: 'Select a file to add.',
+      properties: [ 'openFile' ]
+    }
+  setTitle(opts.title)
+  electron.dialog.showOpenDialog(windows.main.win, opts, function (selectedPaths) {
+    resetTitle()
+    if (!Array.isArray(selectedPaths)) return
+    windows.main.dispatch('onOpen', selectedPaths)
+  })
+}
+
+/*
+ * Show open dialog to open a .torrent file.
+ */
+function openTorrentFile () {
+  if (!windows.main.win) return
+  log('openTorrentFile')
+  var opts = {
+    title: 'Select a .torrent file.',
+    filters: [{ name: 'Torrent Files', extensions: ['torrent'] }],
+    properties: [ 'openFile', 'multiSelections' ]
+  }
+  setTitle(opts.title)
+  electron.dialog.showOpenDialog(windows.main.win, opts, function (selectedPaths) {
+    resetTitle()
+    if (!Array.isArray(selectedPaths)) return
+    selectedPaths.forEach(function (selectedPath) {
+      windows.main.dispatch('addTorrent', selectedPath)
+    })
+  })
+}
+
+/*
+ * Show modal dialog to open a torrent URL (magnet uri, http torrent link, etc.)
+ */
+function openTorrentAddress () {
+  log('openTorrentAddress')
+  windows.main.dispatch('openTorrentAddress')
+}
+
+/**
+ * Dialogs on do not show a title on OS X, so the window title is used instead.
+ */
+function setTitle (title) {
+  if (process.platform === 'darwin') {
+    windows.main.dispatch('setTitle', title)
+  }
+}
+
+function resetTitle () {
+  setTitle(config.APP_WINDOW_TITLE)
+}

src/main/dock.js

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+module.exports = {
+  downloadFinished,
+  init,
+  setBadge
+}
+
+var electron = require('electron')
+
+var app = electron.app
+
+var dialog = require('./dialog')
+var log = require('./log')
+
+/**
+ * Add a right-click menu to the dock icon. (OS X)
+ */
+function init () {
+  if (!app.dock) return
+  var menu = electron.Menu.buildFromTemplate(getMenuTemplate())
+  app.dock.setMenu(menu)
+}
+
+/**
+ * Bounce the Downloads stack if `path` is inside the Downloads folder. (OS X)
+ */
+function downloadFinished (path) {
+  if (!app.dock) return
+  log(`downloadFinished: ${path}`)
+  app.dock.downloadFinished(path)
+}
+
+/**
+ * Display string in dock badging area. (OS X)
+ */
+function setBadge (text) {
+  if (!app.dock) return
+  log(`setBadge: ${text}`)
+  app.dock.setBadge(String(text))
+}
+
+function getMenuTemplate () {
+  return [
+    {
+      label: 'Create New Torrent...',
+      accelerator: 'CmdOrCtrl+N',
+      click: () => dialog.openSeedDirectory()
+    },
+    {
+      label: 'Open Torrent File...',
+      accelerator: 'CmdOrCtrl+O',
+      click: () => dialog.openTorrentFile()
+    },
+    {
+      label: 'Open Torrent Address...',
+      accelerator: 'CmdOrCtrl+U',
+      click: () => dialog.openTorrentAddress()
+    }
+  ]
+}

src/main/handlers.js

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+module.exports = {
+  install,
+  uninstall
+}
+
+var config = require('../config')
+var path = require('path')
+
+function install () {
+  if (process.platform === 'darwin') {
+    installDarwin()
+  }
+  if (process.platform === 'win32') {
+    installWin32()
+  }
+  if (process.platform === 'linux') {
+    installLinux()
+  }
+}
+
+function uninstall () {
+  if (process.platform === 'darwin') {
+    uninstallDarwin()
+  }
+  if (process.platform === 'win32') {
+    uninstallWin32()
+  }
+  if (process.platform === 'linux') {
+    uninstallLinux()
+  }
+}
+
+function installDarwin () {
+  var electron = require('electron')
+  var app = electron.app
+
+  // On OS X, only protocols that are listed in `Info.plist` can be set as the
+  // default handler at runtime.
+  app.setAsDefaultProtocolClient('magnet')
+  app.setAsDefaultProtocolClient('stream-magnet')
+
+  // File handlers are defined in `Info.plist`.
+}
+
+function uninstallDarwin () {}
+
+var EXEC_COMMAND = [ process.execPath ]
+
+if (!config.IS_PRODUCTION) {
+  EXEC_COMMAND.push(config.ROOT_PATH)
+}
+
+function installWin32 () {
+  var Registry = require('winreg')
+
+  var log = require('./log')
+
+  var iconPath = path.join(
+    process.resourcesPath, 'app.asar.unpacked', 'static', 'WebTorrentFile.ico'
+  )
+  registerProtocolHandlerWin32(
+    'magnet',
+    'URL:BitTorrent Magnet URL',
+    iconPath,
+    EXEC_COMMAND
+  )
+  registerProtocolHandlerWin32(
+    'stream-magnet',
+    'URL:BitTorrent Stream-Magnet URL',
+    iconPath,
+    EXEC_COMMAND
+  )
+  registerFileHandlerWin32(
+    '.torrent',
+    'io.webtorrent.torrent',
+    'BitTorrent Document',
+    iconPath,
+    EXEC_COMMAND
+  )
+
+  /**
+   * To add a protocol handler, the following keys must be added to the Windows registry:
+   *
+   * HKEY_CLASSES_ROOT
+   *   $PROTOCOL
+   *     (Default) = "$NAME"
+   *     URL Protocol = ""
+   *     DefaultIcon
+   *       (Default) = "$ICON"
+   *     shell
+   *       open
+   *         command
+   *           (Default) = "$COMMAND" "%1"
+   *
+   * Source: https://msdn.microsoft.com/en-us/library/aa767914.aspx
+   *
+   * However, the "HKEY_CLASSES_ROOT" key can only be written by the Administrator user.
+   * So, we instead write to "HKEY_CURRENT_USER\Software\Classes", which is inherited by
+   * "HKEY_CLASSES_ROOT" anyway, and can be written by unprivileged users.
+   */
+
+  function registerProtocolHandlerWin32 (protocol, name, icon, command) {
+    var protocolKey = new Registry({
+      hive: Registry.HKCU, // HKEY_CURRENT_USER
+      key: '\\Software\\Classes\\' + protocol
+    })
+
+    setProtocol()
+
+    function setProtocol (err) {
+      if (err) log.error(err.message)
+      protocolKey.set('', Registry.REG_SZ, name, setURLProtocol)
+    }
+
+    function setURLProtocol (err) {
+      if (err) log.error(err.message)
+      protocolKey.set('URL Protocol', Registry.REG_SZ, '', setIcon)
+    }
+
+    function setIcon (err) {
+      if (err) log.error(err.message)
+
+      var iconKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + protocol + '\\DefaultIcon'
+      })
+      iconKey.set('', Registry.REG_SZ, icon, setCommand)
+    }
+
+    function setCommand (err) {
+      if (err) log.error(err.message)
+
+      var commandKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + protocol + '\\shell\\open\\command'
+      })
+      commandKey.set('', Registry.REG_SZ, `${commandToArgs(command)} "%1"`, done)
+    }
+
+    function done (err) {
+      if (err) log.error(err.message)
+    }
+  }
+
+  /**
+   * To add a file handler, the following keys must be added to the Windows registry:
+   *
+   * HKEY_CLASSES_ROOT
+   *   $EXTENSION
+   *     (Default) = "$EXTENSION_ID"
+   *   $EXTENSION_ID
+   *     (Default) = "$NAME"
+   *     DefaultIcon
+   *       (Default) = "$ICON"
+   *     shell
+   *       open
+   *         command
+   *           (Default) = "$COMMAND" "%1"
+   */
+  function registerFileHandlerWin32 (ext, id, name, icon, command) {
+    setExt()
+
+    function setExt () {
+      var extKey = new Registry({
+        hive: Registry.HKCU, // HKEY_CURRENT_USER
+        key: '\\Software\\Classes\\' + ext
+      })
+      extKey.set('', Registry.REG_SZ, id, setId)
+    }
+
+    function setId (err) {
+      if (err) log.error(err.message)
+
+      var idKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + id
+      })
+      idKey.set('', Registry.REG_SZ, name, setIcon)
+    }
+
+    function setIcon (err) {
+      if (err) log.error(err.message)
+
+      var iconKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + id + '\\DefaultIcon'
+      })
+      iconKey.set('', Registry.REG_SZ, icon, setCommand)
+    }
+
+    function setCommand (err) {
+      if (err) log.error(err.message)
+
+      var commandKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + id + '\\shell\\open\\command'
+      })
+      commandKey.set('', Registry.REG_SZ, `${commandToArgs(command)} "%1"`, done)
+    }
+
+    function done (err) {
+      if (err) log.error(err.message)
+    }
+  }
+}
+
+function uninstallWin32 () {
+  var Registry = require('winreg')
+
+  unregisterProtocolHandlerWin32('magnet', EXEC_COMMAND)
+  unregisterProtocolHandlerWin32('stream-magnet', EXEC_COMMAND)
+  unregisterFileHandlerWin32('.torrent', 'io.webtorrent.torrent', EXEC_COMMAND)
+
+  function unregisterProtocolHandlerWin32 (protocol, command) {
+    getCommand()
+
+    function getCommand () {
+      var commandKey = new Registry({
+        hive: Registry.HKCU, // HKEY_CURRENT_USER
+        key: '\\Software\\Classes\\' + protocol + '\\shell\\open\\command'
+      })
+      commandKey.get('', function (err, item) {
+        if (!err && item.value.indexOf(commandToArgs(command)) >= 0) {
+          destroyProtocol()
+        }
+      })
+    }
+
+    function destroyProtocol () {
+      var protocolKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + protocol
+      })
+      protocolKey.destroy(function () {})
+    }
+  }
+
+  function unregisterFileHandlerWin32 (ext, id, command) {
+    eraseId()
+
+    function eraseId () {
+      var idKey = new Registry({
+        hive: Registry.HKCU, // HKEY_CURRENT_USER
+        key: '\\Software\\Classes\\' + id
+      })
+      idKey.destroy(getExt)
+    }
+
+    function getExt () {
+      var extKey = new Registry({
+        hive: Registry.HKCU,
+        key: '\\Software\\Classes\\' + ext
+      })
+      extKey.get('', function (err, item) {
+        if (!err && item.value === id) {
+          destroyExt()
+        }
+      })
+    }
+
+    function destroyExt () {
+      var extKey = new Registry({
+        hive: Registry.HKCU, // HKEY_CURRENT_USER
+        key: '\\Software\\Classes\\' + ext
+      })
+      extKey.destroy(function () {})
+    }
+  }
+}
+
+function commandToArgs (command) {
+  return command.map((arg) => `"${arg}"`).join(' ')
+}
+
+function installLinux () {
+  var fs = require('fs-extra')
+  var os = require('os')
+  var path = require('path')
+
+  var config = require('../config')
+  var log = require('./log')
+
+  installDesktopFile()
+  installIconFile()
+
+  function installDesktopFile () {
+    var templatePath = path.join(
+      config.STATIC_PATH, 'linux', 'webtorrent-desktop.desktop'
+    )
+    fs.readFile(templatePath, 'utf8', writeDesktopFile)
+  }
+
+  function writeDesktopFile (err, desktopFile) {
+    if (err) return log.error(err.message)
+
+    var appPath = config.IS_PRODUCTION
+      ? path.dirname(process.execPath)
+      : config.ROOT_PATH
+
+    desktopFile = desktopFile.replace(/\$APP_NAME/g, config.APP_NAME)
+    desktopFile = desktopFile.replace(/\$APP_PATH/g, appPath)
+    desktopFile = desktopFile.replace(/\$EXEC_PATH/g, EXEC_COMMAND.join(' '))
+    desktopFile = desktopFile.replace(/\$TRY_EXEC_PATH/g, process.execPath)
+
+    var desktopFilePath = path.join(
+      os.homedir(),
+      '.local',
+      'share',
+      'applications',
+      'webtorrent-desktop.desktop'
+    )
+    fs.mkdirp(path.dirname(desktopFilePath))
+    fs.writeFile(desktopFilePath, desktopFile, function (err) {
+      if (err) return log.error(err.message)
+    })
+  }
+
+  function installIconFile () {
+    var iconStaticPath = path.join(config.STATIC_PATH, 'WebTorrent.png')
+    fs.readFile(iconStaticPath, writeIconFile)
+  }
+
+  function writeIconFile (err, iconFile) {
+    if (err) return log.error(err.message)
+
+    var iconFilePath = path.join(
+      os.homedir(),
+      '.local',
+      'share',
+      'icons',
+      'webtorrent-desktop.png'
+    )
+    fs.mkdirp(path.dirname(iconFilePath))
+    fs.writeFile(iconFilePath, iconFile, function (err) {
+      if (err) return log.error(err.message)
+    })
+  }
+}
+
+function uninstallLinux () {
+  var os = require('os')
+  var path = require('path')
+  var fs = require('fs-extra')
+
+  var desktopFilePath = path.join(
+    os.homedir(),
+    '.local',
+    'share',
+    'applications',
+    'webtorrent-desktop.desktop'
+  )
+  fs.removeSync(desktopFilePath)
+
+  var iconFilePath = path.join(
+    os.homedir(),
+    '.local',
+    'share',
+    'icons',
+    'webtorrent-desktop.png'
+  )
+  fs.removeSync(iconFilePath)
+}

src/main/index.js

@@ -0,0 +1,163 @@
+console.time('init')
+
+var electron = require('electron')
+
+var app = electron.app
+var ipcMain = electron.ipcMain
+
+var announcement = require('./announcement')
+var config = require('../config')
+var crashReporter = require('../crash-reporter')
+var dialog = require('./dialog')
+var dock = require('./dock')
+var handlers = require('./handlers')
+var ipc = require('./ipc')
+var log = require('./log')
+var menu = require('./menu')
+var squirrelWin32 = require('./squirrel-win32')
+var tray = require('./tray')
+var updater = require('./updater')
+var windows = require('./windows')
+
+var shouldQuit = false
+var argv = sliceArgv(process.argv)
+
+if (process.platform === 'win32') {
+  shouldQuit = squirrelWin32.handleEvent(argv[0])
+  argv = argv.filter((arg) => arg.indexOf('--squirrel') === -1)
+}
+
+if (!shouldQuit) {
+  // Prevent multiple instances of app from running at same time. New instances signal
+  // this instance and quit.
+  shouldQuit = app.makeSingleInstance(onAppOpen)
+  if (shouldQuit) {
+    app.quit()
+  }
+}
+
+if (!shouldQuit) {
+  init()
+}
+
+function init () {
+  if (config.IS_PORTABLE) {
+    app.setPath('userData', config.CONFIG_PATH)
+  }
+
+  var isReady = false // app ready, windows can be created
+  app.ipcReady = false // main window has finished loading and IPC is ready
+  app.isQuitting = false
+
+  // Open handlers must be added as early as possible
+  app.on('open-file', onOpen)
+  app.on('open-url', onOpen)
+
+  ipc.init()
+
+  app.once('will-finish-launching', function () {
+    crashReporter.init()
+  })
+
+  app.on('ready', function () {
+    isReady = true
+
+    windows.main.init()
+    windows.webtorrent.init()
+    menu.init()
+
+    // To keep app startup fast, some code is delayed.
+    setTimeout(delayedInit, config.DELAYED_INIT)
+
+    // Report uncaught exceptions
+    process.on('uncaughtException', (err) => {
+      console.error(err)
+      var errJSON = {message: err.message, stack: err.stack}
+      windows.main.dispatch('uncaughtError', 'main', errJSON)
+    })
+  })
+
+  app.once('ipcReady', function () {
+    log('Command line args:', argv)
+    processArgv(argv)
+    console.timeEnd('init')
+  })
+
+  app.on('before-quit', function (e) {
+    if (app.isQuitting) return
+
+    app.isQuitting = true
+    e.preventDefault()
+    windows.main.dispatch('saveState') // try to save state on exit
+    ipcMain.once('savedState', () => app.quit())
+    setTimeout(() => {
+      console.error('Saving state took too long. Quitting.')
+      app.quit()
+    }, 2000) // quit after 2 secs, at most
+  })
+
+  app.on('activate', function () {
+    if (isReady) windows.main.show()
+  })
+}
+
+function delayedInit () {
+  announcement.init()
+  dock.init()
+  handlers.install()
+  tray.init()
+  updater.init()
+}
+
+function onOpen (e, torrentId) {
+  e.preventDefault()
+
+  if (app.ipcReady) {
+    // Magnet links opened from Chrome won't focus the app without a setTimeout.
+    // The confirmation dialog Chrome shows causes Chrome to steal back the focus.
+    // Electron issue: https://github.com/atom/electron/issues/4338
+    setTimeout(() => windows.main.show(), 100)
+
+    processArgv([ torrentId ])
+  } else {
+    argv.push(torrentId)
+  }
+}
+
+function onAppOpen (newArgv) {
+  newArgv = sliceArgv(newArgv)
+
+  if (app.ipcReady) {
+    log('Second app instance opened, but was prevented:', newArgv)
+    windows.main.show()
+
+    processArgv(newArgv)
+  } else {
+    argv.push(...newArgv)
+  }
+}
+
+function sliceArgv (argv) {
+  return argv.slice(config.IS_PRODUCTION ? 1 : 2)
+}
+
+function processArgv (argv) {
+  var torrentIds = []
+  argv.forEach(function (arg) {
+    if (arg === '-n') {
+      dialog.openSeedDirectory()
+    } else if (arg === '-o') {
+      dialog.openTorrentFile()
+    } else if (arg === '-u') {
+      dialog.openTorrentAddress()
+    } else if (arg.startsWith('-psn')) {
+      // Ignore OS X launchd "process serial number" argument
+      // Issue: https://github.com/feross/webtorrent-desktop/issues/214
+    } else {
+      torrentIds.push(arg)
+    }
+  })
+  if (torrentIds.length > 0) {
+    windows.main.dispatch('onOpen', torrentIds)
+  }
+}

src/main/ipc.js

@@ -0,0 +1,182 @@
+module.exports = {
+  init
+}
+
+var electron = require('electron')
+
+var app = electron.app
+
+var dialog = require('./dialog')
+var dock = require('./dock')
+var log = require('./log')
+var menu = require('./menu')
+var powerSaveBlocker = require('./power-save-blocker')
+var shell = require('./shell')
+var shortcuts = require('./shortcuts')
+var vlc = require('./vlc')
+var windows = require('./windows')
+var thumbar = require('./thumbar')
+
+// Messages from the main process, to be sent once the WebTorrent process starts
+var messageQueueMainToWebTorrent = []
+
+// holds a ChildProcess while we're playing a video in VLC, null otherwise
+var vlcProcess
+
+function init () {
+  var ipc = electron.ipcMain
+
+  ipc.once('ipcReady', function (e) {
+    app.ipcReady = true
+    app.emit('ipcReady')
+  })
+
+  ipc.once('ipcReadyWebTorrent', function (e) {
+    app.ipcReadyWebTorrent = true
+    log('sending %d queued messages from the main win to the webtorrent window',
+      messageQueueMainToWebTorrent.length)
+    messageQueueMainToWebTorrent.forEach(function (message) {
+      windows.webtorrent.send(message.name, ...message.args)
+      log('webtorrent: sent queued %s', message.name)
+    })
+  })
+
+  /**
+   * Dialog
+   */
+
+  ipc.on('openTorrentFile', () => dialog.openTorrentFile())
+  ipc.on('openFiles', () => dialog.openFiles())
+
+  /**
+   * Dock
+   */
+
+  ipc.on('setBadge', (e, ...args) => dock.setBadge(...args))
+  ipc.on('downloadFinished', (e, ...args) => dock.downloadFinished(...args))
+
+  /**
+   * Events
+   */
+
+  ipc.on('onPlayerOpen', function () {
+    menu.onPlayerOpen()
+    powerSaveBlocker.enable()
+    shortcuts.enable()
+    thumbar.enable()
+  })
+
+  ipc.on('onPlayerClose', function () {
+    menu.onPlayerClose()
+    powerSaveBlocker.disable()
+    shortcuts.disable()
+    thumbar.disable()
+  })
+
+  ipc.on('onPlayerPlay', function () {
+    powerSaveBlocker.enable()
+    thumbar.onPlayerPlay()
+  })
+
+  ipc.on('onPlayerPause', function () {
+    powerSaveBlocker.disable()
+    thumbar.onPlayerPause()
+  })
+
+  /**
+   * Shell
+   */
+
+  ipc.on('openItem', (e, ...args) => shell.openItem(...args))
+  ipc.on('showItemInFolder', (e, ...args) => shell.showItemInFolder(...args))
+  ipc.on('moveItemToTrash', (e, ...args) => shell.moveItemToTrash(...args))
+
+  /**
+   * Windows: Main
+   */
+
+  var main = windows.main
+
+  ipc.on('setAspectRatio', (e, ...args) => main.setAspectRatio(...args))
+  ipc.on('setBounds', (e, ...args) => main.setBounds(...args))
+  ipc.on('setProgress', (e, ...args) => main.setProgress(...args))
+  ipc.on('setTitle', (e, ...args) => main.setTitle(...args))
+  ipc.on('show', () => main.show())
+  ipc.on('toggleFullScreen', (e, ...args) => main.toggleFullScreen(...args))
+
+  /**
+   * VLC
+   * TODO: Move most of this code to vlc.js
+   */
+
+  ipc.on('checkForVLC', function (e) {
+    vlc.checkForVLC(function (isInstalled) {
+      windows.main.send('checkForVLC', isInstalled)
+    })
+  })
+
+  ipc.on('vlcPlay', function (e, url) {
+    var args = ['--play-and-exit', '--video-on-top', '--no-video-title-show', '--quiet', url]
+    log('Running vlc ' + args.join(' '))
+
+    vlc.spawn(args, function (err, proc) {
+      if (err) return windows.main.dispatch('vlcNotFound')
+      vlcProcess = proc
+
+      // If it works, close the modal after a second
+      var closeModalTimeout = setTimeout(() =>
+        windows.main.dispatch('exitModal'), 1000)
+
+      vlcProcess.on('close', function (code) {
+        clearTimeout(closeModalTimeout)
+        if (!vlcProcess) return // Killed
+        log('VLC exited with code ', code)
+        if (code === 0) {
+          windows.main.dispatch('backToList')
+        } else {
+          windows.main.dispatch('vlcNotFound')
+        }
+        vlcProcess = null
+      })
+
+      vlcProcess.on('error', function (e) {
+        log('VLC error', e)
+      })
+    })
+  })
+
+  ipc.on('vlcQuit', function () {
+    if (!vlcProcess) return
+    log('Killing VLC, pid ' + vlcProcess.pid)
+    vlcProcess.kill('SIGKILL') // kill -9
+    vlcProcess = null
+  })
+
+  // Capture all events
+  var oldEmit = ipc.emit
+  ipc.emit = function (name, e, ...args) {
+    // Relay messages between the main window and the WebTorrent hidden window
+    if (name.startsWith('wt-') && !app.isQuitting) {
+      if (e.sender.browserWindowOptions.title === 'webtorrent-hidden-window') {
+        // Send message to main window
+        windows.main.send(name, ...args)
+        log('webtorrent: got %s', name)
+      } else if (app.ipcReadyWebTorrent) {
+        // Send message to webtorrent window
+        windows.webtorrent.send(name, ...args)
+        log('webtorrent: sent %s', name)
+      } else {
+        // Queue message for webtorrent window, it hasn't finished loading yet
+        messageQueueMainToWebTorrent.push({
+          name: name,
+          args: args
+        })
+        log('webtorrent: queueing %s', name)
+      }
+      return
+    }
+
+    // Emit all other events normally
+    oldEmit.call(ipc, name, e, ...args)
+  }
+}

src/main/log.js

@@ -0,0 +1,30 @@
+module.exports = log
+module.exports.error = error
+
+/**
+ * In the main electron process, we do not use console.log() statements because they do
+ * not show up in a convenient location when running the packaged (i.e. production)
+ * version of the app. Instead use this module, which sends the logs to the main window
+ * where they can be viewed in Developer Tools.
+ */
+
+var electron = require('electron')
+var windows = require('./windows')
+
+var app = electron.app
+
+function log (...args) {
+  if (app.ipcReady) {
+    windows.main.send('log', ...args)
+  } else {
+    app.once('ipcReady', () => windows.main.send('log', ...args))
+  }
+}
+
+function error (...args) {
+  if (app.ipcReady) {
+    windows.main.send('error', ...args)
+  } else {
+    app.once('ipcReady', () => windows.main.send('error', ...args))
+  }
+}

src/main/menu.js

@@ -0,0 +1,387 @@
+module.exports = {
+  init,
+  onPlayerClose,
+  onPlayerOpen,
+  onToggleAlwaysOnTop,
+  onToggleFullScreen,
+  onWindowBlur,
+  onWindowFocus
+}
+
+var electron = require('electron')
+
+var app = electron.app
+
+var config = require('../config')
+var dialog = require('./dialog')
+var shell = require('./shell')
+var windows = require('./windows')
+
+var menu
+
+function init () {
+  menu = electron.Menu.buildFromTemplate(getMenuTemplate())
+  electron.Menu.setApplicationMenu(menu)
+}
+
+function onPlayerClose () {
+  getMenuItem('Play/Pause').enabled = false
+  getMenuItem('Increase Volume').enabled = false
+  getMenuItem('Decrease Volume').enabled = false
+  getMenuItem('Step Forward').enabled = false
+  getMenuItem('Step Backward').enabled = false
+  getMenuItem('Increase Speed').enabled = false
+  getMenuItem('Decrease Speed').enabled = false
+  getMenuItem('Add Subtitles File...').enabled = false
+}
+
+function onPlayerOpen () {
+  getMenuItem('Play/Pause').enabled = true
+  getMenuItem('Increase Volume').enabled = true
+  getMenuItem('Decrease Volume').enabled = true
+  getMenuItem('Step Forward').enabled = true
+  getMenuItem('Step Backward').enabled = true
+  getMenuItem('Increase Speed').enabled = true
+  getMenuItem('Decrease Speed').enabled = true
+  getMenuItem('Add Subtitles File...').enabled = true
+}
+
+function onToggleAlwaysOnTop (flag) {
+  getMenuItem('Float on Top').checked = flag
+}
+
+function onToggleFullScreen (flag) {
+  getMenuItem('Full Screen').checked = flag
+}
+
+function onWindowBlur () {
+  getMenuItem('Full Screen').enabled = false
+  getMenuItem('Float on Top').enabled = false
+}
+
+function onWindowFocus () {
+  getMenuItem('Full Screen').enabled = true
+  getMenuItem('Float on Top').enabled = true
+}
+
+function getMenuItem (label) {
+  for (var i = 0; i < menu.items.length; i++) {
+    var menuItem = menu.items[i].submenu.items.find(function (item) {
+      return item.label === label
+    })
+    if (menuItem) return menuItem
+  }
+}
+
+function getMenuTemplate () {
+  var template = [
+    {
+      label: 'File',
+      submenu: [
+        {
+          label: process.platform === 'darwin'
+            ? 'Create New Torrent...'
+            : 'Create New Torrent from Folder...',
+          accelerator: 'CmdOrCtrl+N',
+          click: () => dialog.openSeedDirectory()
+        },
+        {
+          label: 'Open Torrent File...',
+          accelerator: 'CmdOrCtrl+O',
+          click: () => dialog.openTorrentFile()
+        },
+        {
+          label: 'Open Torrent Address...',
+          accelerator: 'CmdOrCtrl+U',
+          click: () => dialog.openTorrentAddress()
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: process.platform === 'win32'
+            ? 'Close'
+            : 'Close Window',
+          accelerator: 'CmdOrCtrl+W',
+          role: 'close'
+        }
+      ]
+    },
+    {
+      label: 'Edit',
+      submenu: [
+        {
+          label: 'Cut',
+          accelerator: 'CmdOrCtrl+X',
+          role: 'cut'
+        },
+        {
+          label: 'Copy',
+          accelerator: 'CmdOrCtrl+C',
+          role: 'copy'
+        },
+        {
+          label: 'Paste Torrent Address',
+          accelerator: 'CmdOrCtrl+V',
+          role: 'paste'
+        },
+        {
+          label: 'Select All',
+          accelerator: 'CmdOrCtrl+A',
+          role: 'selectall'
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Preferences',
+          accelerator: 'CmdOrCtrl+,',
+          click: () => windows.main.dispatch('preferences')
+        }
+      ]
+    },
+    {
+      label: 'View',
+      submenu: [
+        {
+          label: 'Full Screen',
+          type: 'checkbox',
+          accelerator: process.platform === 'darwin'
+            ? 'Ctrl+Command+F'
+            : 'F11',
+          click: () => windows.main.toggleFullScreen()
+        },
+        {
+          label: 'Float on Top',
+          type: 'checkbox',
+          click: () => windows.main.toggleAlwaysOnTop()
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Go Back',
+          accelerator: 'Esc',
+          click: () => windows.main.dispatch('escapeBack')
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Developer',
+          submenu: [
+            {
+              label: 'Developer Tools',
+              accelerator: process.platform === 'darwin'
+                ? 'Alt+Command+I'
+                : 'Ctrl+Shift+I',
+              click: () => windows.main.toggleDevTools()
+            },
+            {
+              label: 'Show WebTorrent Process',
+              accelerator: process.platform === 'darwin'
+                ? 'Alt+Command+P'
+                : 'Ctrl+Shift+P',
+              click: () => windows.webtorrent.toggleDevTools()
+            }
+          ]
+        }
+      ]
+    },
+    {
+      label: 'Playback',
+      submenu: [
+        {
+          label: 'Play/Pause',
+          accelerator: 'Space',
+          click: () => windows.main.dispatch('playPause'),
+          enabled: false
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Increase Volume',
+          accelerator: 'CmdOrCtrl+Up',
+          click: () => windows.main.dispatch('changeVolume', 0.1),
+          enabled: false
+        },
+        {
+          label: 'Decrease Volume',
+          accelerator: 'CmdOrCtrl+Down',
+          click: () => windows.main.dispatch('changeVolume', -0.1),
+          enabled: false
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Step Forward',
+          accelerator: process.platform === 'darwin'
+            ? 'CmdOrCtrl+Alt+Right'
+            : 'Alt+Right',
+          click: () => windows.main.dispatch('skip', 10),
+          enabled: false
+        },
+        {
+          label: 'Step Backward',
+          accelerator: process.platform === 'darwin'
+            ? 'CmdOrCtrl+Alt+Left'
+            : 'Alt+Left',
+          click: () => windows.main.dispatch('skip', -10),
+          enabled: false
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Increase Speed',
+          accelerator: 'CmdOrCtrl+=',
+          click: () => windows.main.dispatch('changePlaybackRate', 1),
+          enabled: false
+        },
+        {
+          label: 'Decrease Speed',
+          accelerator: 'CmdOrCtrl+-',
+          click: () => windows.main.dispatch('changePlaybackRate', -1),
+          enabled: false
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Add Subtitles File...',
+          click: () => windows.main.dispatch('openSubtitles'),
+          enabled: false
+        }
+      ]
+    },
+    {
+      label: 'Help',
+      role: 'help',
+      submenu: [
+        {
+          label: 'Learn more about ' + config.APP_NAME,
+          click: () => shell.openExternal(config.HOME_PAGE_URL)
+        },
+        {
+          label: 'Contribute on GitHub',
+          click: () => shell.openExternal(config.GITHUB_URL)
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Report an Issue...',
+          click: () => shell.openExternal(config.GITHUB_URL_ISSUES)
+        }
+      ]
+    }
+  ]
+
+  if (process.platform === 'darwin') {
+    // Add WebTorrent app menu (OS X)
+    template.unshift({
+      label: config.APP_NAME,
+      submenu: [
+        {
+          label: 'About ' + config.APP_NAME,
+          role: 'about'
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Preferences',
+          accelerator: 'Cmd+,',
+          click: () => windows.main.dispatch('preferences')
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Services',
+          role: 'services',
+          submenu: []
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Hide ' + config.APP_NAME,
+          accelerator: 'Command+H',
+          role: 'hide'
+        },
+        {
+          label: 'Hide Others',
+          accelerator: 'Command+Alt+H',
+          role: 'hideothers'
+        },
+        {
+          label: 'Show All',
+          role: 'unhide'
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Quit',
+          accelerator: 'Command+Q',
+          click: () => app.quit()
+        }
+      ]
+    })
+
+    // Add Window menu (OS X)
+    template.splice(5, 0, {
+      label: 'Window',
+      role: 'window',
+      submenu: [
+        {
+          label: 'Minimize',
+          accelerator: 'CmdOrCtrl+M',
+          role: 'minimize'
+        },
+        {
+          type: 'separator'
+        },
+        {
+          label: 'Bring All to Front',
+          role: 'front'
+        }
+      ]
+    })
+  }
+
+  // On Windows and Linux, open dialogs do not support selecting both files and
+  // folders and files, so add an extra menu item so there is one for each type.
+  if (process.platform === 'linux' || process.platform === 'win32') {
+    // File menu (Windows, Linux)
+    template[0].submenu.unshift({
+      label: 'Create New Torrent from File...',
+      click: () => dialog.openSeedFile()
+    })
+
+    // Help menu (Windows, Linux)
+    template[4].submenu.push(
+      {
+        type: 'separator'
+      },
+      {
+        label: 'About ' + config.APP_NAME,
+        click: () => windows.about.init()
+      }
+    )
+  }
+  // Add "File > Quit" menu item so Linux distros where the system tray icon is
+  // missing will have a way to quit the app.
+  if (process.platform === 'linux') {
+    // File menu (Linux)
+    template[0].submenu.push({
+      label: 'Quit',
+      click: () => app.quit()
+    })
+  }
+
+  return template
+}

src/main/power-save-blocker.js

@@ -0,0 +1,30 @@
+module.exports = {
+  enable,
+  disable
+}
+
+var electron = require('electron')
+var log = require('./log')
+
+var blockId = 0
+
+/**
+ * Block the system from entering low-power (sleep) mode or turning off the
+ * display.
+ */
+function enable () {
+  disable() // Stop the previous power saver block, if one exists.
+  blockId = electron.powerSaveBlocker.start('prevent-display-sleep')
+  log(`powerSaveBlocker.enable: ${blockId}`)
+}
+
+/**
+ * Stop blocking the system from entering low-power mode.
+ */
+function disable () {
+  if (!electron.powerSaveBlocker.isStarted(blockId)) {
+    return
+  }
+  electron.powerSaveBlocker.stop(blockId)
+  log(`powerSaveBlocker.disable: ${blockId}`)
+}

src/main/shell.js

@@ -0,0 +1,41 @@
+module.exports = {
+  openExternal,
+  openItem,
+  showItemInFolder,
+  moveItemToTrash
+}
+
+var electron = require('electron')
+var log = require('./log')
+
+/**
+ * Open the given external protocol URL in the desktop’s default manner.
+ */
+function openExternal (url) {
+  log(`openExternal: ${url}`)
+  electron.shell.openExternal(url)
+}
+
+/**
+ * Open the given file in the desktop’s default manner.
+ */
+function openItem (path) {
+  log(`openItem: ${path}`)
+  electron.shell.openItem(path)
+}
+
+/**
+ * Show the given file in a file manager. If possible, select the file.
+ */
+function showItemInFolder (path) {
+  log(`showItemInFolder: ${path}`)
+  electron.shell.showItemInFolder(path)
+}
+
+/**
+ * Move the given file to trash and returns a boolean status for the operation.
+ */
+function moveItemToTrash (path) {
+  log(`moveItemToTrash: ${path}`)
+  electron.shell.moveItemToTrash(path)
+}

src/main/shortcuts.js

@@ -0,0 +1,20 @@
+module.exports = {
+  disable,
+  enable
+}
+
+var electron = require('electron')
+var windows = require('./windows')
+
+function enable () {
+  // Register play/pause media key, available on some keyboards.
+  electron.globalShortcut.register(
+    'MediaPlayPause',
+    () => windows.main.dispatch('playPause')
+  )
+}
+
+function disable () {
+  // Return the media key to the OS, so other apps can use it.
+  electron.globalShortcut.unregister('MediaPlayPause')
+}

src/main/squirrel-win32.js

@@ -0,0 +1,151 @@
+module.exports = {
+  handleEvent
+}
+
+var cp = require('child_process')
+var electron = require('electron')
+var fs = require('fs')
+var os = require('os')
+var path = require('path')
+
+var app = electron.app
+
+var handlers = require('./handlers')
+
+var EXE_NAME = path.basename(process.execPath)
+var UPDATE_EXE = path.join(process.execPath, '..', '..', 'Update.exe')
+
+function handleEvent (cmd) {
+  if (cmd === '--squirrel-install') {
+    // App was installed. Install desktop/start menu shortcuts.
+    createShortcuts(function () {
+      // Ensure user sees install splash screen so they realize that Setup.exe actually
+      // installed an application and isn't the application itself.
+      setTimeout(function () {
+        app.quit()
+      }, 3000)
+    })
+    return true
+  }
+
+  if (cmd === '--squirrel-updated') {
+    // App was updated. (Called on new version of app)
+    updateShortcuts(function () {
+      app.quit()
+    })
+    return true
+  }
+
+  if (cmd === '--squirrel-uninstall') {
+    // App was just uninstalled. Undo anything we did in the --squirrel-install and
+    // --squirrel-updated handlers
+
+    // Uninstall .torrent file and magnet link handlers
+    handlers.uninstall()
+
+    // Remove desktop/start menu shortcuts.
+    // HACK: add a callback to handlers.uninstall() so we can remove this setTimeout
+    setTimeout(function () {
+      removeShortcuts(function () {
+        app.quit()
+      })
+    }, 1000)
+
+    return true
+  }
+
+  if (cmd === '--squirrel-obsolete') {
+    // App will be updated. (Called on outgoing version of app)
+    app.quit()
+    return true
+  }
+
+  if (cmd === '--squirrel-firstrun') {
+    // App is running for the first time. Do not quit, allow startup to continue.
+    return false
+  }
+
+  return false
+}
+
+/**
+ * Spawn a command and invoke the callback when it completes with an error and
+ * the output from standard out.
+ */
+function spawn (command, args, cb) {
+  var stdout = ''
+
+  var child
+  try {
+    child = cp.spawn(command, args)
+  } catch (err) {
+    // Spawn can throw an error
+    process.nextTick(function () {
+      cb(error, stdout)
+    })
+    return
+  }
+
+  child.stdout.on('data', function (data) {
+    stdout += data
+  })
+
+  var error = null
+  child.on('error', function (processError) {
+    error = processError
+  })
+  child.on('close', function (code, signal) {
+    if (code !== 0 && !error) error = new Error('Command failed: #{signal || code}')
+    if (error) error.stdout = stdout
+    cb(error, stdout)
+  })
+}
+
+/**
+ * Spawn the Squirrel `Update.exe` command with the given arguments and invoke
+ * the callback when the command completes.
+ */
+function spawnUpdate (args, cb) {
+  spawn(UPDATE_EXE, args, cb)
+}
+
+/**
+ * Create desktop and start menu shortcuts using the Squirrel `Update.exe`
+ * command.
+ */
+function createShortcuts (cb) {
+  spawnUpdate(['--createShortcut', EXE_NAME], cb)
+}
+
+/**
+ * Update desktop and start menu shortcuts using the Squirrel `Update.exe`
+ * command.
+ */
+function updateShortcuts (cb) {
+  var homeDir = os.homedir()
+  if (homeDir) {
+    var desktopShortcutPath = path.join(homeDir, 'Desktop', 'WebTorrent.lnk')
+    // If the desktop shortcut was deleted by the user, then keep it deleted.
+    fs.access(desktopShortcutPath, function (err) {
+      var desktopShortcutExists = !err
+      createShortcuts(function () {
+        if (desktopShortcutExists) {
+          cb()
+        } else {
+          // Remove the unwanted desktop shortcut that was recreated
+          fs.unlink(desktopShortcutPath, cb)
+        }
+      })
+    })
+  } else {
+    createShortcuts(cb)
+  }
+}
+
+/**
+ * Remove desktop and start menu shortcuts using the Squirrel `Update.exe`
+ * command.
+ */
+function removeShortcuts (cb) {
+  spawnUpdate(['--removeShortcut', EXE_NAME], cb)
+}

src/main/thumbar.js

@@ -0,0 +1,54 @@
+module.exports = {
+  disable,
+  enable,
+  onPlayerPause,
+  onPlayerPlay
+}
+
+/**
+ * On Windows, add a "thumbnail toolbar" with a play/pause button in the taskbar.
+ * This provides users a way to access play/pause functionality without restoring
+ * or activating the window.
+ */
+
+var path = require('path')
+var config = require('../config')
+
+var windows = require('./windows')
+
+/**
+ * Show the Windows thumbnail toolbar buttons.
+ */
+function enable () {
+  update(false)
+}
+
+/**
+ * Hide the Windows thumbnail toolbar buttons.
+ */
+function disable () {
+  windows.main.win.setThumbarButtons([])
+}
+
+function onPlayerPause () {
+  update(true)
+}
+
+function onPlayerPlay () {
+  update(false)
+}
+
+function update (isPaused) {
+  var icon = isPaused
+    ? 'PlayThumbnailBarButton.png'
+    : 'PauseThumbnailBarButton.png'
+
+  var buttons = [
+    {
+      tooltip: isPaused ? 'Play' : 'Pause',
+      icon: path.join(config.STATIC_PATH, icon),
+      click: () => windows.main.dispatch('playPause')
+    }
+  ]
+  windows.main.win.setThumbarButtons(buttons)
+}

src/main/tray.js

@@ -0,0 +1,115 @@
+module.exports = {
+  hasTray,
+  init,
+  onWindowBlur,
+  onWindowFocus
+}
+
+var electron = require('electron')
+
+var app = electron.app
+
+var config = require('../config')
+var windows = require('./windows')
+
+var tray
+
+function init () {
+  if (process.platform === 'linux') {
+    initLinux()
+  }
+  if (process.platform === 'win32') {
+    initWin32()
+  }
+  // OS X apps generally do not have menu bar icons
+}
+
+/**
+ * Returns true if there a tray icon is active.
+ */
+function hasTray () {
+  return !!tray
+}
+
+function onWindowBlur () {
+  if (!tray) return
+  updateTrayMenu()
+}
+
+function onWindowFocus () {
+  if (!tray) return
+  updateTrayMenu()
+}
+
+function initLinux () {
+  checkLinuxTraySupport(function (supportsTray) {
+    if (supportsTray) createTray()
+  })
+}
+
+function initWin32 () {
+  createTray()
+}
+
+/**
+ * Check for libappindicator1 support before creating tray icon
+ */
+function checkLinuxTraySupport (cb) {
+  var cp = require('child_process')
+
+  // Check that we're on Ubuntu (or another debian system) and that we have
+  // libappindicator1. If WebTorrent was installed from the deb file, we should
+  // always have it. If it was installed from the zip file, we might not.
+  cp.exec('dpkg --get-selections libappindicator1', function (err, stdout) {
+    if (err) return cb(false)
+    // Unfortunately there's no cleaner way, as far as I can tell, to check
+    // whether a debian package is installed:
+    cb(stdout.endsWith('\tinstall\n'))
+  })
+}
+
+function createTray () {
+  tray = new electron.Tray(getIconPath())
+
+  // On Windows, left click opens the app, right click opens the context menu.
+  // On Linux, any click (left or right) opens the context menu.
+  tray.on('click', () => windows.main.show())
+
+  // Show the tray context menu, and keep the available commands up to date
+  updateTrayMenu()
+}
+
+function updateTrayMenu () {
+  var contextMenu = electron.Menu.buildFromTemplate(getMenuTemplate())
+  tray.setContextMenu(contextMenu)
+}
+
+function getMenuTemplate () {
+  return [
+    getToggleItem(),
+    {
+      label: 'Quit',
+      click: () => app.quit()
+    }
+  ]
+
+  function getToggleItem () {
+    if (windows.main.win.isVisible()) {
+      return {
+        label: 'Hide to tray',
+        click: () => windows.main.hide()
+      }
+    } else {
+      return {
+        label: 'Show WebTorrent',
+        click: () => windows.main.show()
+      }
+    }
+  }
+}
+
+function getIconPath () {
+  return process.platform === 'win32'
+    ? config.APP_ICON + '.ico'
+    : config.APP_ICON + '.png'
+}

src/main/updater.js

@@ -0,0 +1,76 @@
+module.exports = {
+  init
+}
+
+var electron = require('electron')
+var get = require('simple-get')
+
+var config = require('../config')
+var log = require('./log')
+var windows = require('./windows')
+
+var AUTO_UPDATE_URL = config.AUTO_UPDATE_URL +
+  '?version=' + config.APP_VERSION +
+  '&platform=' + process.platform
+
+function init () {
+  if (process.platform === 'linux') {
+    initLinux()
+  } else {
+    initDarwinWin32()
+  }
+}
+
+// The Electron auto-updater does not support Linux yet, so manually check for
+// updates and show the user a modal notification.
+function initLinux () {
+  get.concat(AUTO_UPDATE_URL, onResponse)
+}
+
+function onResponse (err, res, data) {
+  if (err) return log(`Update error: ${err.message}`)
+  if (res.statusCode === 200) {
+    // Update available
+    try {
+      data = JSON.parse(data)
+    } catch (err) {
+      return log(`Update error: Invalid JSON response: ${err.message}`)
+    }
+    windows.main.dispatch('updateAvailable', data.version)
+  } else if (res.statusCode === 204) {
+    // No update available
+  } else {
+    // Unexpected status code
+    log(`Update error: Unexpected status code: ${res.statusCode}`)
+  }
+}
+
+function initDarwinWin32 () {
+  electron.autoUpdater.on(
+    'error',
+    (err) => log.error(`Update error: ${err.message}`)
+  )
+
+  electron.autoUpdater.on(
+    'checking-for-update',
+    () => log('Checking for update')
+  )
+
+  electron.autoUpdater.on(
+    'update-available',
+    () => log('Update available')
+  )
+
+  electron.autoUpdater.on(
+    'update-not-available',
+    () => log('Update not available')
+  )
+
+  electron.autoUpdater.on(
+    'update-downloaded',
+    (e, notes, name, date, url) => log(`Update downloaded: ${name}: ${url}`)
+  )
+
+  electron.autoUpdater.setFeedURL(AUTO_UPDATE_URL)
+  electron.autoUpdater.checkForUpdates()
+}

src/main/vlc.js

@@ -0,0 +1,22 @@
+module.exports = {
+  checkForVLC,
+  spawn
+}
+
+var cp = require('child_process')
+var vlcCommand = require('vlc-command')
+
+// Finds if VLC is installed on Mac, Windows, or Linux.
+// Calls back with true or false: whether VLC was detected
+function checkForVLC (cb) {
+  vlcCommand((err) => cb(!err))
+}
+
+// Spawns VLC with child_process.spawn() to return a ChildProcess object
+// Calls back with (err, childProcess)
+function spawn (args, cb) {
+  vlcCommand(function (err, vlcPath) {
+    if (err) return cb(err)
+    cb(null, cp.spawn(vlcPath, args))
+  })
+}

src/main/windows/about.js

@@ -0,0 +1,48 @@
+var about = module.exports = {
+  init,
+  win: null
+}
+
+var config = require('../../config')
+var electron = require('electron')
+
+function init () {
+  if (about.win) {
+    return about.win.show()
+  }
+
+  var win = about.win = new electron.BrowserWindow({
+    backgroundColor: '#ECECEC',
+    center: true,
+    fullscreen: false,
+    height: 170,
+    icon: getIconPath(),
+    maximizable: false,
+    minimizable: false,
+    resizable: false,
+    show: false,
+    skipTaskbar: true,
+    title: 'About ' + config.APP_WINDOW_TITLE,
+    useContentSize: true,
+    width: 300
+  })
+
+  win.loadURL(config.WINDOW_ABOUT)
+
+  // No menu on the About window
+  win.setMenu(null)
+
+  win.webContents.once('did-finish-load', function () {
+    win.show()
+  })
+
+  win.once('closed', function () {
+    about.win = null
+  })
+}
+
+function getIconPath () {
+  return process.platform === 'win32'
+    ? config.APP_ICON + '.ico'
+    : config.APP_ICON + '.png'
+}

src/main/windows/index.js

@@ -0,0 +1,3 @@
+exports.about = require('./about')
+exports.main = require('./main')
+exports.webtorrent = require('./webtorrent')

src/main/windows/main.js

@@ -0,0 +1,220 @@
+var main = module.exports = {
+  dispatch,
+  hide,
+  init,
+  send,
+  setAspectRatio,
+  setBounds,
+  setProgress,
+  setTitle,
+  show,
+  toggleAlwaysOnTop,
+  toggleDevTools,
+  toggleFullScreen,
+  win: null
+}
+
+var electron = require('electron')
+
+var app = electron.app
+
+var config = require('../../config')
+var log = require('../log')
+var menu = require('../menu')
+var tray = require('../tray')
+
+var HEADER_HEIGHT = 37
+var TORRENT_HEIGHT = 100
+
+function init () {
+  if (main.win) {
+    return main.win.show()
+  }
+  var win = main.win = new electron.BrowserWindow({
+    backgroundColor: '#1E1E1E',
+    darkTheme: true, // Forces dark theme (GTK+3)
+    icon: getIconPath(), // Window icon (Windows, Linux)
+    minWidth: config.WINDOW_MIN_WIDTH,
+    minHeight: config.WINDOW_MIN_HEIGHT,
+    title: config.APP_WINDOW_TITLE,
+    titleBarStyle: 'hidden-inset', // Hide title bar (OS X)
+    useContentSize: true, // Specify web page size without OS chrome
+    width: 500,
+    height: HEADER_HEIGHT + (TORRENT_HEIGHT * 6) // header height + 5 torrents
+  })
+
+  win.loadURL(config.WINDOW_MAIN)
+
+  if (win.setSheetOffset) win.setSheetOffset(HEADER_HEIGHT)
+
+  win.webContents.on('dom-ready', function () {
+    menu.onToggleFullScreen(main.win.isFullScreen())
+  })
+
+  win.on('blur', onWindowBlur)
+  win.on('focus', onWindowFocus)
+
+  win.on('hide', onWindowBlur)
+  win.on('show', onWindowFocus)
+
+  win.on('enter-full-screen', function () {
+    menu.onToggleFullScreen(true)
+    send('fullscreenChanged', true)
+    win.setMenuBarVisibility(false)
+  })
+
+  win.on('leave-full-screen', function () {
+    menu.onToggleFullScreen(false)
+    send('fullscreenChanged', false)
+    win.setMenuBarVisibility(true)
+  })
+
+  win.on('close', function (e) {
+    if (process.platform !== 'darwin' && !tray.hasTray()) {
+      app.quit()
+    } else if (!app.isQuitting) {
+      e.preventDefault()
+      hide()
+    }
+  })
+}
+
+function dispatch (...args) {
+  send('dispatch', ...args)
+}
+
+function hide () {
+  if (!main.win) return
+  main.win.send('dispatch', 'backToList')
+  main.win.hide()
+}
+
+function send (...args) {
+  if (!main.win) return
+  main.win.send(...args)
+}
+
+/**
+ * Enforce window aspect ratio. Remove with 0. (OS X)
+ */
+function setAspectRatio (aspectRatio) {
+  if (!main.win) return
+  main.win.setAspectRatio(aspectRatio)
+}
+
+/**
+ * Change the size of the window.
+ * TODO: Clean this up? Seems overly complicated.
+ */
+function setBounds (bounds, maximize) {
+  // Do nothing in fullscreen
+  if (!main.win || main.win.isFullScreen()) {
+    log('setBounds: not setting bounds because we\'re in full screen')
+    return
+  }
+
+  // Maximize or minimize, if the second argument is present
+  var willBeMaximized
+  if (maximize === true) {
+    if (!main.win.isMaximized()) {
+      log('setBounds: maximizing')
+      main.win.maximize()
+    }
+    willBeMaximized = true
+  } else if (maximize === false) {
+    if (main.win.isMaximized()) {
+      log('setBounds: unmaximizing')
+      main.win.unmaximize()
+    }
+    willBeMaximized = false
+  } else {
+    willBeMaximized = main.win.isMaximized()
+  }
+
+  // Assuming we're not maximized or maximizing, set the window size
+  if (!willBeMaximized) {
+    log('setBounds: setting bounds to ' + JSON.stringify(bounds))
+    if (bounds.x === null && bounds.y === null) {
+      // X and Y not specified? By default, center on current screen
+      var scr = electron.screen.getDisplayMatching(main.win.getBounds())
+      bounds.x = Math.round(scr.bounds.x + scr.bounds.width / 2 - bounds.width / 2)
+      bounds.y = Math.round(scr.bounds.y + scr.bounds.height / 2 - bounds.height / 2)
+      log('setBounds: centered to ' + JSON.stringify(bounds))
+    }
+    main.win.setBounds(bounds, true)
+  } else {
+    log('setBounds: not setting bounds because of window maximization')
+  }
+}
+
+/**
+ * Set progress bar to [0, 1]. Indeterminate when > 1. Remove with < 0.
+ */
+function setProgress (progress) {
+  if (!main.win) return
+  main.win.setProgressBar(progress)
+}
+
+function setTitle (title) {
+  if (!main.win) return
+  main.win.setTitle(title)
+}
+
+function show () {
+  if (!main.win) return
+  main.win.show()
+}
+
+// Sets whether the window should always show on top of other windows
+function toggleAlwaysOnTop (flag) {
+  if (!main.win) return
+  if (flag == null) {
+    flag = !main.win.isAlwaysOnTop()
+  }
+  log(`toggleAlwaysOnTop ${flag}`)
+  main.win.setAlwaysOnTop(flag)
+  menu.onToggleAlwaysOnTop(flag)
+}
+
+function toggleDevTools () {
+  if (!main.win) return
+  log('toggleDevTools')
+  if (main.win.webContents.isDevToolsOpened()) {
+    main.win.webContents.closeDevTools()
+  } else {
+    main.win.webContents.openDevTools({ detach: true })
+  }
+}
+
+function toggleFullScreen (flag) {
+  if (!main.win || !main.win.isVisible()) {
+    return
+  }
+
+  if (flag == null) flag = !main.win.isFullScreen()
+
+  log(`toggleFullScreen ${flag}`)
+
+  if (flag) {
+    // Fullscreen and aspect ratio do not play well together. (OS X)
+    main.win.setAspectRatio(0)
+  }
+
+  main.win.setFullScreen(flag)
+}
+
+function onWindowBlur () {
+  menu.onWindowBlur()
+  tray.onWindowBlur()
+}
+
+function onWindowFocus () {
+  menu.onWindowFocus()
+  tray.onWindowFocus()
+}
+
+function getIconPath () {
+  return process.platform === 'win32'
+    ? config.APP_ICON + '.ico'
+    : config.APP_ICON + '.png'
+}

src/main/windows/webtorrent.js

@@ -0,0 +1,62 @@
+var webtorrent = module.exports = {
+  init,
+  send,
+  show,
+  toggleDevTools,
+  win: null
+}
+
+var electron = require('electron')
+
+var config = require('../../config')
+var log = require('../log')
+
+function init () {
+  var win = webtorrent.win = new electron.BrowserWindow({
+    backgroundColor: '#1E1E1E',
+    center: true,
+    fullscreen: false,
+    fullscreenable: false,
+    height: 150,
+    maximizable: false,
+    minimizable: false,
+    resizable: false,
+    show: false,
+    skipTaskbar: true,
+    title: 'webtorrent-hidden-window',
+    useContentSize: true,
+    width: 150
+  })
+
+  win.loadURL(config.WINDOW_WEBTORRENT)
+
+  // Prevent killing the WebTorrent process
+  win.on('close', function (e) {
+    if (electron.app.isQuitting) {
+      return
+    }
+    e.preventDefault()
+    win.hide()
+  })
+}
+
+function show () {
+  if (!webtorrent.win) return
+  webtorrent.win.show()
+}
+
+function send (...args) {
+  if (!webtorrent.win) return
+  webtorrent.win.send(...args)
+}
+
+function toggleDevTools () {
+  if (!webtorrent.win) return
+  log('toggleDevTools')
+  if (webtorrent.win.webContents.isDevToolsOpened()) {
+    webtorrent.win.webContents.closeDevTools()
+    webtorrent.win.hide()
+  } else {
+    webtorrent.win.webContents.openDevTools({ detach: true })
+  }
+}