Emit {will,did}SavePath on ipcMain before/after a buffer is saved

spec/project-spec.coffee

@@ -112,6 +112,28 @@ describe "Project", ->
         editor.saveAs(tempFile)
         expect(atom.project.getPaths()[0]).toBe path.dirname(tempFile)
 
+  describe "before and after saving a buffer", ->
+    [buffer] = []
+    beforeEach ->
+      waitsForPromise ->
+        atom.project.bufferForPath(path.join(__dirname, 'fixtures', 'sample.js')).then (o) ->
+          buffer = o
+          buffer.retain()
+
+    afterEach ->
+      buffer.release()
+
+    it "emits save events on the main process", ->
+      spyOn(atom.project.applicationDelegate, 'emitDidSavePath')
+      spyOn(atom.project.applicationDelegate, 'emitWillSavePath')
+
+      buffer.save()
+
+      expect(atom.project.applicationDelegate.emitDidSavePath.calls.length).toBe(1)
+      expect(atom.project.applicationDelegate.emitDidSavePath).toHaveBeenCalledWith(buffer.getPath())
+      expect(atom.project.applicationDelegate.emitWillSavePath.calls.length).toBe(1)
+      expect(atom.project.applicationDelegate.emitWillSavePath).toHaveBeenCalledWith(buffer.getPath())
+
   describe "when a watch error is thrown from the TextBuffer", ->
     editor = null
     beforeEach ->

src/application-delegate.coffee

@@ -266,3 +266,9 @@ class ApplicationDelegate
 
   getAutoUpdateManagerErrorMessage: ->
     ipcRenderer.sendSync('get-auto-update-manager-error')
+
+  emitWillSavePath: (path) ->
+    ipcRenderer.send('will-save-path', path)
+
+  emitDidSavePath: (path) ->
+    ipcRenderer.send('did-save-path', path)

src/atom-environment.coffee

@@ -185,7 +185,7 @@ class AtomEnvironment extends Model
 
     @clipboard = new Clipboard()
 
-    @project = new Project({notificationManager: @notifications, packageManager: @packages, @config})
+    @project = new Project({notificationManager: @notifications, packageManager: @packages, @config, @applicationDelegate})
 
     @commandInstaller = new CommandInstaller(@getVersion(), @applicationDelegate)
 

src/project.coffee

@@ -21,7 +21,7 @@ class Project extends Model
   Section: Construction and Destruction
   ###
 
-  constructor: ({@notificationManager, packageManager, config}) ->
+  constructor: ({@notificationManager, packageManager, config, @applicationDelegate}) ->
     @emitter = new Emitter
     @buffers = []
     @paths = []
@@ -390,6 +390,8 @@ class Project extends Model
       @on 'buffer-created', (buffer) -> callback(buffer)
 
   subscribeToBuffer: (buffer) ->
+    buffer.onWillSave ({path}) => @applicationDelegate.emitWillSavePath(path)
+    buffer.onDidSave ({path}) => @applicationDelegate.emitDidSavePath(path)
     buffer.onDidDestroy => @removeBuffer(buffer)
     buffer.onDidChangePath =>
       unless @getPaths().length > 0

src/text-editor.coffee

@@ -124,7 +124,7 @@ class TextEditor extends Model
       @softTabs, @firstVisibleScreenRow, @firstVisibleScreenColumn, initialLine, initialColumn, @tabLength,
       @softWrapped, @decorationManager, @selectionsMarkerLayer, @buffer, suppressCursorCreation,
       @mini, @placeholderText, lineNumberGutterVisible, @largeFileMode, @config, @clipboard, @grammarRegistry,
-      @assert, @applicationDelegate, grammar, @showInvisibles, @autoHeight, @scrollPastEnd, @editorWidthInChars,
+      @assert, grammar, @showInvisibles, @autoHeight, @scrollPastEnd, @editorWidthInChars,
       @tokenizedBuffer, @ignoreInvisibles, @displayLayer
     } = params