Add content to AutoUpdater

src/browser/auto-updater.coffee

@@ -1,2 +1,55 @@
+autoUpdater = require 'auto-updater'
+dialog = require 'dialog'
+
 module.exports =
 class AutoUpdater
+  constructor: (@applicationMenu) ->
+
+    # Only released versions should check for updates.
+    return if /\w{7}/.test(@getVersion())
+
+    autoUpdater.setFeedUrl "https://atom.io/api/updates?version=#{@getVersion()}"
+
+    autoUpdater.on 'checking-for-update', =>
+      @applicationMenu.showDownloadingUpdateItem(false)
+      @applicationMenu.showInstallUpdateItem(false)
+      @applicationMenu.showCheckForUpdateItem(false)
+
+    autoUpdater.on 'update-not-available', =>
+      @applicationMenu.showCheckForUpdateItem(true)
+
+    autoUpdater.on 'update-available', =>
+      @applicationMenu.showDownloadingUpdateItem(true)
+
+    autoUpdater.on 'update-downloaded', (event, releaseNotes, releaseVersion, releaseDate, releaseURL) =>
+      for atomWindow in @getWindows()
+        atomWindow.sendCommand('window:update-available', [releaseVersion, releaseNotes])
+      @applicationMenu.showInstallUpdateItem(true)
+
+    autoUpdater.on 'error', (event, message) =>
+      @applicationMenu.showCheckForUpdateItem(true)
+
+    # Check for update after Atom has fully started and the menus are created
+    setTimeout((-> autoUpdater.checkForUpdates()), 5000)
+
+  checkForUpdate: ->
+    autoUpdater.once 'update-not-available', @onUpdateNotAvailable
+    autoUpdater.once 'error', @onUpdateError
+    autoUpdater.checkForUpdates()
+
+  installUpdate: ->
+    autoUpdater.quitAndInstall()
+
+  onUpdateNotAvailable: =>
+    autoUpdater.removeListener 'error', @onUpdateError
+    dialog.showMessageBox type: 'info', buttons: ['OK'], message: 'No update available.', detail: "Version #{@version} is the latest version."
+
+  onUpdateError: (event, message) =>
+    autoUpdater.removeListener 'update-not-available', @onUpdateNotAvailable
+    dialog.showMessageBox type: 'warning', buttons: ['OK'], message: 'There was an error checking for updates.', detail: message
+
+  getVersion: ->
+    global.atomApplication.version
+
+  getWindows: ->
+    global.atomApplication.windows