Use cross-platform callbacks in the dialog API.

renderer/api/lib/dialog.coffee

@@ -1,41 +1,10 @@
-ipc = require 'ipc'
+remote = require 'remote'
+dialog = remote.require 'dialog'
 
-callbackId = 0
-callbacks = {}
-
-storeCallback = (callback) ->
-  throw new TypeError('Bad argument') unless typeof callback is 'function'
-
-  ++callbackId
-  callbacks[callbackId] = callback
-  callbackId
-
-makeCallback = (id, args...) ->
-  callbacks[id].call global, args...
-  delete callbacks[id]
-
-# Force loading dialog code in browser.
-remote.require 'dialog'
-
-ipc.on 'ATOM_RENDERER_DIALOG', (id, args...) ->
-  makeCallback(id, args...)
-
-callFileDialogs = (options, callback, args...) ->
-  if typeof options is 'function'
-    callback = options
-    options = {}
-
-  ipc.sendChannel 'ATOM_BROWSER_FILE_DIALOG', storeCallback(callback), args..., options
+win = remote.getCurrentWindow()
 
 module.exports =
-  openFolder: (options, callback) ->
-    callFileDialogs options, callback, 1, 'Open Folder'
-
-  saveAs: (options, callback) ->
-    callFileDialogs options, callback, 2, 'Save As'
-
-  openFile: (options, callback) ->
-    callFileDialogs options, callback, 3, 'Open File'
-
-  openMultiFiles: (options, callback) ->
-    callFileDialogs options, callback, 4, 'Open Files'
+  openFolder: (args...) -> dialog.openFolder win, args...
+  saveAs: (args...) -> dialog.saveAs win, args...
+  openFile: (args...) -> dialog.openFile win, args...
+  openMultiFiles: (args...) -> dialog.openMultiFiles win, args...