refactor main-app process

clean unnecessary codes

lib/main-app.js

@@ -8,76 +8,11 @@ const ChildProcess = require('child_process')
 const _ = require('lodash')
 const GhReleases = require('electron-gh-releases')
 // electron.crashReporter.start()
+require('./ipc')
 
 var mainWindow = null
-var finderProcess = null
 var finderWindow = null
 
-const appRootPath = path.join(process.execPath, '../..')
-const updateDotExePath = path.join(appRootPath, 'Update.exe')
-const exeName = path.basename(process.execPath)
-
-// For windows app
-function spawnUpdate (args, cb) {
-  var stdout = ''
-  var updateProcess = null
-  try {
-    updateProcess = ChildProcess.spawn(updateDotExePath, args)
-  } catch (e) {
-    process.nextTick(function () {
-      cb(e)
-    })
-  }
-
-  updateProcess.stdout.on('data', function (data) {
-    stdout += data
-  })
-
-  error = null
-  updateProcess.on('error', function (_error) {
-    error = _error
-  })
-  updateProcess.on('close', function (code, signal) {
-    if (code !== 0) {
-      error = new Error("Command failed: #{signal ? code}")
-      error.code = code
-      error.stdout = stdout
-    }
-
-    cb(error, stdout)
-  })
-}
-
-var handleStartupEvent = function () {
-  if (process.platform !== 'win32') {
-    return false
-  }
-
-  var squirrelCommand = process.argv[1]
-  switch (squirrelCommand) {
-    case '--squirrel-install':
-      spawnUpdate(['--createShortcut', exeName], function (err) {
-      app.quit()
-      })
-      return true
-    case '--squirrel-updated':
-      app.quit()
-      return true
-    case '--squirrel-uninstall':
-      spawnUpdate(['--removeShortcut', exeName], function (err) {
-      app.quit()
-      })
-      return true
-    case '--squirrel-obsolete':
-      app.quit()
-      return true
-  }
-}
-
-if (handleStartupEvent()) {
-  return
-}
-
 var shouldQuit = app.makeSingleInstance(function(commandLine, workingDirectory) {
   if (mainWindow) {
     if (process.platform === 'win32') {
@@ -90,7 +25,6 @@ var shouldQuit = app.makeSingleInstance(function(commandLine, workingDirectory)
 })
 
 if (shouldQuit) {
-  if (mainWindow != null) mainWindow.removeAllListeners()
   app.quit()
   return
 }
@@ -117,15 +51,10 @@ function checkUpdate () {
     if (err) {
       var isLatest = err.message === 'There is no newer version.'
       if (!isLatest) console.error('Updater error! %s', err.message)
+      return
     }
-    if (!err) {
-      if (status) {
-        // Download start
-        mainWindow.webContents.send('update-found', 'Update found!')
-        updater.download()
-      } else {
-        // Latest version
-      }
+    if (status) {
+      updater.download()
     }
   })
 }
@@ -137,69 +66,53 @@ updater.on('update-downloaded', (info) => {
   }
 })
 
-
-function spawnFinder() {
-  if (process.platform === 'darwin') {
-    var finderArgv = [path.join(__dirname, 'finder-app.js'), '--finder']
-    if (_.find(process.argv, a => a === '--hot')) finderArgv.push('--hot')
-    finderProcess = ChildProcess
-      .execFile(process.execPath, finderArgv)
+ipc.on('update-app-confirm', function (event, msg) {
+  if (isUpdateReady) {
+    updater.install()
   }
+})
+
+function spawnFinder () {
+  var finderArgv = [path.join(__dirname, 'finder-app.js'), '--finder']
+  if (_.find(process.argv, a => a === '--hot')) finderArgv.push('--hot')
+  var finderProcess = ChildProcess
+    .execFile(process.execPath, finderArgv)
+
+  app.on('before-quit', function () {
+    finderProcess.kill()
+  })
 }
 
 app.on('ready', function () {
+  mainWindow = require('./main-window')
+
   var template = require('./main-menu')
   var menu = Menu.buildFromTemplate(template)
-  if (process.platform === 'darwin' || process.platform === 'linux') {
-    Menu.setApplicationMenu(menu)
-  }
-
-  // Check update every 24 hours
-  setInterval(function () {
-    checkUpdate()
-  }, 1000 * 60 * 60 * 24)
-
-  ipc.on('check-update', function (event, msg) {
-    checkUpdate()
-  })
-
-  ipc.on('update-app-confirm', function (event, msg) {
-    if (isUpdateReady) {
-      mainWindow.removeAllListeners()
-      updater.install()
-    }
-  })
-
-  ipc.on('quit-app-confirm', function () {
-    mainWindow.removeAllListeners()
-    app.quit()
-  })
-
-  checkUpdate()
-
-  mainWindow = require('./main-window')
-  if (process.platform === 'win32' || process.platform === 'linux') {
-    mainWindow.setMenu(menu)
-  }
-
   switch (process.platform) {
     case 'darwin':
       spawnFinder()
+      Menu.setApplicationMenu(menu)
       break
     case 'win32':
       finderWindow = require('./finder-window')
-      finderWindow.on('close', function (e) {
-        e.preventDefault()
-        finderWindow.hide()
-      })
+      mainWindow.setMenu(menu)
       break
     case 'linux':
       // Finder is available on cinnamon only.
       if (process.env.DESKTOP_SESSION === 'cinnamon') {
         finderWindow = require('./finder-window')
       }
+      Menu.setApplicationMenu(menu)
+      mainWindow.setMenu(menu)
   }
 
+  // Check update every hour
+  setInterval(function () {
+    checkUpdate()
+  }, 1000 * 60 * 60)
+
+  checkUpdate()
+
   require('./hotkey')
 })