Open .atom files from browser process

This allows a new window to be created if there is no currently
focused window.

menus/darwin.cson

@@ -134,9 +134,9 @@
         ]
       }
       { type: 'separator' }
-      { label: 'Open Your Config', command: 'window:open-your-config' }
-      { label: 'Open Your Keymap', command: 'window:open-your-keymap' }
-      { label: 'Open Your Stylesheet', command: 'window:open-your-stylesheet' }
+      { label: 'Open Your Config', command: 'application:open-your-config' }
+      { label: 'Open Your Keymap', command: 'application:open-your-keymap' }
+      { label: 'Open Your Stylesheet', command: 'application:open-your-stylesheet' }
       { type: 'separator' }
       { label: 'Toggle Soft Wrap', command: 'editor:toggle-soft-wrap' }
     ]

src/browser/atom-application.coffee

@@ -146,11 +146,11 @@ class AtomApplication
     @on 'application:inspect', ({x,y}) -> @focusedWindow().browserWindow.inspectElement(x, y)
     @on 'application:open-documentation', -> shell.openExternal('https://www.atom.io/docs/latest/?app')
     @on 'application:report-issue', -> shell.openExternal('https://github.com/atom/atom/issues/new')
-    @on 'application:show-settings', ->
-      if @focusedWindow()
-        @focusedWindow().openPath("atom://config")
-      else
-        @openPath(pathToOpen: "atom://config")
+
+    @openPathOnEvent('application:show-settings', 'atom://config')
+    @openPathOnEvent('application:open-your-stylesheet', 'atom://.atom/stylesheet')
+    @openPathOnEvent('application:open-your-keymap', 'atom://.atom/keymap')
+    @openPathOnEvent('application:open-your-config', 'atom://.atom/config')
 
     app.on 'window-all-closed', ->
       app.quit() if process.platform is 'win32'
@@ -203,6 +203,20 @@ class AtomApplication
     unless @emit(command, args...)
       @focusedWindow()?.sendCommand(command, args...)
 
+  # Public: Open the given path in the focused window when the event is
+  # triggered.
+  #
+  # A new window will be created if there is no currently focused window.
+  #
+  # * eventName: The event to listen for.
+  # * pathToOpen: The path to open when the event is triggered.
+  openPathOnEvent: (eventName, pathToOpen) ->
+    @on eventName, ->
+      if window = @focusedWindow()
+        window.openPath(pathToOpen)
+      else
+        @openPath({pathToOpen})
+
   # Private: Returns the {AtomWindow} for the given path.
   windowForPath: (pathToOpen) ->
     for atomWindow in @windows

src/workspace-view.coffee

@@ -99,6 +99,7 @@ class WorkspaceView extends View
     @command 'application:minimize', -> ipc.sendChannel('command', 'application:minimize')
     @command 'application:zoom', -> ipc.sendChannel('command', 'application:zoom')
     @command 'application:bring-all-windows-to-front', -> ipc.sendChannel('command', 'application:bring-all-windows-to-front')
+    @command 'application:open-your-stylesheet', -> ipc.sendChannel('command', 'application:open-your-stylesheet')
 
     @command 'window:run-package-specs', => ipc.sendChannel('run-package-specs', path.join(atom.project.getPath(), 'spec'))
     @command 'window:increase-font-size', =>

src/workspace.coffee

@@ -27,6 +27,14 @@ class Workspace extends Model
   constructor: ->
     super
     @subscribe @paneContainer, 'item-destroyed', @onPaneItemDestroyed
+    atom.project.registerOpener (filePath) =>
+      switch filePath
+        when 'atom://.atom/stylesheet'
+          @open(atom.themes.getUserStylesheetPath())
+        when 'atom://.atom/keymap'
+          @open(atom.keymap.getUserKeymapPath())
+        when 'atom://.atom/config'
+          @open(atom.config.getUserConfigPath())
 
   # Private: Called by the Serializable mixin during deserialization
   deserializeParams: (params) ->
@@ -38,18 +46,6 @@ class Workspace extends Model
     paneContainer: @paneContainer.serialize()
     fullScreen: atom.isFullScreen()
 
-  # Private: Open ~/.atom/user.less or ~/.atom/user.css
-  openUserStylesheet: ->
-    @open(atom.themes.getUserStylesheetPath())
-
-  # Private: Open ~/.atom/keymap.cson or ~/.atom/keymap.json
-  openUserKeymap: ->
-    @open(atom.keymap.getUserKeymapPath())
-
-  # Private: Open ~/.atom/config.cson or ~/.atom/config.json
-  openUserConfig: ->
-    @open(atom.config.getUserConfigPath())
-
   # Public: Asynchronously opens a given a filepath in Atom.
   #
   # * filePath: A file path