Extract window event handling into separate class

spec/app/window-spec.coffee

@@ -1,18 +1,19 @@
 $ = require 'jquery'
 fsUtils = require 'fs-utils'
 {less} = require 'less'
+WindowEventHandler = require 'window-event-handler'
 
 describe "Window", ->
-  projectPath = null
+  [projectPath, windowEventHandler] = []
 
   beforeEach ->
     spyOn(atom, 'getPathToOpen').andReturn(project.getPath())
-    window.handleEvents()
+    windowEventHandler = new WindowEventHandler()
     window.deserializeEditorWindow()
     projectPath = project.getPath()
 
   afterEach ->
-    window.unloadEditorWindow()
+    windowEventHandler.unsubscribe()
     $(window).off 'beforeunload'
 
   describe "when the window is loaded", ->

src/app/window-event-handler.coffee

@@ -0,0 +1,34 @@
+$ = require 'jquery'
+_ = require 'underscore'
+Subscriber = require 'subscriber'
+
+module.exports =
+class WindowEventHandler
+  constructor: ->
+    @subscribe $(window), 'focus', -> $("body").removeClass('is-blurred')
+    @subscribe $(window), 'blur',  -> $("body").addClass('is-blurred')
+    @subscribeToCommand $(window), 'window:toggle-full-screen', => atom.toggleFullScreen()
+    @subscribeToCommand $(window), 'window:close', =>
+      if rootView?
+        rootView.confirmClose().done -> window.close()
+      else
+        window.close()
+    @subscribeToCommand $(window), 'window:reload', => reload()
+
+    @subscribe $(document), 'keydown', keymap.handleKeyEvent
+
+    @subscribe $(document), 'drop', onDrop
+    @subscribe $(document), 'dragover', (e) ->
+      e.preventDefault()
+      e.stopPropagation()
+
+    @subscribe $(document), 'click', 'a', (e) ->
+      location = $(e.target).attr('href')
+      return unless location
+      return if location[0] is '#'
+
+      if location.indexOf('https://') is 0 or location.indexOf('http://') is 0
+        require('child_process').spawn('open', [location])
+      false
+
+_.extend WindowEventHandler.prototype, Subscriber

src/app/window.coffee

@@ -3,6 +3,7 @@ fsUtils = require 'fs-utils'
 $ = require 'jquery'
 _ = require 'underscore'
 less = require 'less'
+WindowEventHandler = require 'window-event-handler'
 require 'jquery-extensions'
 require 'underscore-extensions'
 require 'space-pen-extensions'
@@ -12,6 +13,8 @@ deferredDeserializers = {}
 
 ### Internal ###
 
+windowEventHandler = null
+
 # This method is called in any window needing a general environment, including specs
 window.setUpEnvironment = ->
   Config = require 'config'
@@ -24,7 +27,6 @@ window.setUpEnvironment = ->
   window.syntax = deserialize(atom.getWindowState('syntax')) ? new Syntax
   window.pasteboard = new Pasteboard
   window.keymap = new Keymap()
-  $(document).on 'keydown', keymap.handleKeyEvent
 
   keymap.bindDefaultKeys()
 
@@ -39,8 +41,7 @@ window.startEditorWindow = ->
   installApmCommand()
 
   atom.windowMode = 'editor'
-  handleEvents()
-  handleDragDrop()
+  windowEventHandler = new WindowEventHandler
   config.load()
   keymap.loadBundledKeymaps()
   atom.loadThemes()
@@ -54,7 +55,7 @@ window.startEditorWindow = ->
 
 window.startConfigWindow = ->
   atom.windowMode = 'config'
-  handleEvents()
+  windowEventHandler = new WindowEventHandler
   config.load()
   keymap.loadBundledKeymaps()
   atom.loadThemes()
@@ -77,7 +78,7 @@ window.unloadEditorWindow = ->
   atom.saveWindowState()
   project.destroy()
   git?.destroy()
-  $(window).off('focus blur before')
+  windowEventHandler?.unsubscribe()
   window.rootView = null
   window.project = null
   window.git = null
@@ -96,29 +97,7 @@ window.unloadConfigWindow = ->
   atom.saveWindowState()
   configView.remove()
   window.configView = null
-  $(window).off('focus blur before')
-
-window.handleEvents = ->
-  $(window).command 'window:toggle-full-screen', => atom.toggleFullScreen()
-  $(window).on 'focus', -> $("body").removeClass('is-blurred')
-  $(window).on 'blur',  -> $("body").addClass('is-blurred')
-  $(window).command 'window:close', => confirmClose()
-  $(window).command 'window:reload', => reload()
-
-  $(document).on 'click', 'a', (e) ->
-    location = $(e.target).attr('href')
-    return unless location
-    return if location[0] is '#'
-
-    if location.indexOf('https://') is 0 or location.indexOf('http://') is 0
-      require('child_process').spawn('open', [location])
-    false
-
-window.handleDragDrop = ->
-  $(document).on 'dragover', (e) ->
-    e.preventDefault()
-    e.stopPropagation()
-  $(document).on 'drop', onDrop
+  windowEventHandler.unsubscribe()
 
 window.onDrop = (e) ->
   e.preventDefault()
@@ -257,10 +236,3 @@ window.profile = (description, fn) ->
     value = fn()
     console.profileEnd(description)
     value
-
-# Public: Shows a dialog asking if the window was _really_ meant to be closed.
-confirmClose = ->
-  if rootView?
-    rootView.confirmClose().done -> window.close()
-  else
-    window.close()