Listen to 'finish-launching' event in constructor.

Otherwise @handleEvents would never be called...

src/atom-application.coffee

@@ -16,15 +16,33 @@ class AtomApplication
   resourcePath: null
   pathsToOpen: null
   version: null
-  pidToKillWhenClosed: null
   launched: false
   socketPath: '/tmp/atom.sock'
 
-  constructor: ({@resourcePath, @pathsToOpen, @version, test, @pidToKillWhenClosed}) ->
+  constructor: ({@resourcePath, @pathsToOpen, @version, test, pidToKillWhenClosed}) ->
     @pidsToOpenWindows = {}
     @pathsToOpen ?= []
     @windows = []
 
+    app.on 'finish-launching', =>
+      @launched = true
+
+      @sendArgumentsToExistingProcess pidToKillWhenClosed, (success) =>
+        app.terminate() if success # An Atom already exists, kill this process
+        @listenForArgumentsFromNewProcess()
+        @setupNodePath()
+        @setupJavaScriptArguments()
+        @buildApplicationMenu()
+        @handleEvents()
+
+        if test
+          @runSpecs(true)
+        else if @pathsToOpen.length > 0
+          @openPaths(@pathsToOpen, pidToKillWhenClosed)
+        else
+          # Always open a editor window if this is the first instance of Atom.
+          @openPath(null)
+
   removeWindow: (window) ->
     @windows.splice @windows.indexOf(window), 1
 
@@ -137,25 +155,6 @@ class AtomApplication
         # happens when user double clicks a file in Finder to open it.
         @pathsToOpen.push filePath
 
-    app.on 'finish-launching', =>
-      @launched = true
-
-      @sendArgumentsToExistingProcess @pidToKillWhenClosed, (success) =>
-        app.terminate() if success # An Atom already exists, kill this process
-        @listenForArgumentsFromNewProcess()
-        @setupNodePath()
-        @setupJavaScriptArguments()
-        @buildApplicationMenu()
-        @handleEvents()
-
-        if test
-          @runSpecs(true)
-        else if @pathsToOpen.length > 0
-          @openPaths(@pathsToOpen, pidToKillWhenClosed)
-        else
-          # Always open a editor window if this is the first instance of Atom.
-          @openPath(null)
-
     ipc.on 'close-without-confirm', (processId, routingId) ->
       window = BrowserWindow.fromProcessIdAndRoutingId processId, routingId
       window.removeAllListeners 'close'