Open dialog creates new atom window

src/app/atom.coffee

@@ -138,11 +138,14 @@ window.atom =
     themeNames = config.get("core.themes") ? ['atom-dark-ui', 'atom-dark-syntax']
     themeNames = [themeNames] unless _.isArray(themeNames)
 
-  open: (args...) ->
-    @sendMessageToBrowserProcess('open', args)
+  open: (url) ->
+    if url
+      throw new Error('opening a url does not currently work', url)
+    else
+      ipc.sendChannel('open-folder')
 
-  openDev: (args...) ->
-    @sendMessageToBrowserProcess('openDev', args)
+  openDev: (url) ->
+    console.error("atom.openDev does not work yet")
 
   newWindow: (args...) ->
     @sendMessageToBrowserProcess('newWindow', args)

src/main.coffee

@@ -3,6 +3,7 @@ delegate = require 'atom_delegate'
 path = require 'path'
 BrowserWindow = require 'browser_window'
 ipc = require 'ipc'
+dialog = require 'dialog'
 
 windowState = {}
 
@@ -11,9 +12,19 @@ app.on 'window-all-closed', ->
   app.quit()
 
 ipc.on 'window-state', (event, processId, messageId, message) ->
+  console.log 'browser got request', event, processId, messageId, message if message?
   windowState = message unless message == undefined
   event.result = windowState
 
+ipc.on 'open-folder', ->
+  currentWindow = BrowserWindow.getFocusedWindow()
+  dialog.openFolder currentWindow, {}, (result, paths...) ->
+    modifiedArgv = ['node'].concat(process.argv) # optimist assumes the first arg will be node
+    args = require('optimist')(modifiedArgv).argv
+    new AtomWindow
+      bootstrapScript: 'window-bootstrap',
+      resourcePath: args['resource-path']
+
 class AtomWindow
   @windows = []