things got a little out of hand

src/window.coffee

@@ -1,16 +1,51 @@
+Editor = require 'editor'
+Event = require 'event'
 KeyBinder = require 'key-binder'
+Native = require 'native'
+
 fs = require 'fs'
 
 # This file is a weirdo. We don't create a Window class, we just add stuff to
 # the DOM window.
 windowAdditions =
+  editor: null
+
   extensions: []
 
+  appRoot: OSX.NSBundle.mainBundle.resourcePath
+
+  path: localStorage.lastOpenedPath ? fs.workingDirectory()
+
   startup: ->
     KeyBinder.register "window", window
 
-    @path = localStorage.lastOpenedPath ? File.workingDirectory()
-    @appPath = OSX.NSBundle.mainBundle.resourcePath
+    @editor = new Editor()
+
+    @loadExtensions()
+
+    KeyBinder.load "#{@appRoot}/static/key-bindings.coffee"
+    KeyBinder.load "~/.atomicity/key-bindings.coffee"
+
+  loadExtensions: ->
+    extension.shutdown() for extension in @extensions
+    @extensions = []
+
+    extensionPaths = fs.list(@appRoot + "/extensions")
+    for extensionPath in extensionPaths when fs.isDirectory extensionPath
+      try
+        extension = require extensionPath
+        extensions.push new Extension()
+      catch error
+        console.warn "window: Loading Extension #{fs.base extensionPath} failed."
+        console.warn error
+
+    # After all the extensions are created, start them up.
+    for extension in @extensions
+      try
+        extension.startup()
+      catch error
+        console.warn "window: Extension #{extension.constructor.name} failed to startup."
+        console.warn error
 
   handleKeyEvent: ->
     KeyBinder.handleEvent.apply KeyBinder, arguments
@@ -18,6 +53,10 @@ windowAdditions =
   showConsole: ->
     atomController.webView.inspector.showConsole true
 
+  open: (path) ->
+    path = Native.openPanel() if not path
+    Event.trigger 'window:open', path if path
+
 for key, value of windowAdditions
-  raise "DOMWindow already has a key named #{key}" if window[key]
+  console.warn "DOMWindow already has a key named `#{key}`" if window[key]
   window[key] = value