Add dismissing to notifications

spec/notification-spec.coffee

@@ -16,3 +16,32 @@ describe "Notification", ->
     it "returns the icon specified", ->
       notification = new Notification('error', 'message!', icon: 'my-icon')
       expect(notification.getIcon()).toBe 'my-icon'
+
+  describe "dismissing notifications", ->
+    describe "when the notfication is dismissable", ->
+      it "calls a callback when the notification is dismissed", ->
+        dismissedSpy = jasmine.createSpy()
+        notification = new Notification('error', 'message', dismissable: true)
+        notification.onDidDismiss dismissedSpy
+
+        expect(notification.isDismissable()).toBe true
+        expect(notification.isDismissed()).toBe false
+
+        notification.dismiss()
+
+        expect(dismissedSpy).toHaveBeenCalled()
+        expect(notification.isDismissed()).toBe true
+
+    describe "when the notfication is not dismissable", ->
+      it "does nothing when ::dismiss() is called", ->
+        dismissedSpy = jasmine.createSpy()
+        notification = new Notification('error', 'message')
+        notification.onDidDismiss dismissedSpy
+
+        expect(notification.isDismissable()).toBe false
+        expect(notification.isDismissed()).toBe true
+
+        notification.dismiss()
+
+        expect(dismissedSpy).not.toHaveBeenCalled()
+        expect(notification.isDismissed()).toBe true

src/config.coffee

@@ -740,7 +740,7 @@ class Config
   notifyFailure: (errorMessage, error) ->
     message = "#{errorMessage}"
     detail = error.stack
-    atom.notifications.addError(message, {detail, closable: true})
+    atom.notifications.addError(message, {detail, dismissable: true})
     console.error message
     console.error detail
 

src/keymap-extensions.coffee

@@ -25,7 +25,7 @@ KeymapManager::loadUserKeymap = ->
 
 KeymapManager::subscribeToFileReadFailure = ->
   this.onDidFailToReadFile (error) ->
-    atom.notifications.addError('Failed to load keymap.cson', {detail: error.stack, closable: true})
+    atom.notifications.addError('Failed to load keymap.cson', {detail: error.stack, dismissable: true})
 
 # This enables command handlers registered via jQuery to call
 # `.abortKeyBinding()` on the `jQuery.Event` object passed to the handler.

src/notification.coffee

@@ -1,9 +1,16 @@
+{Emitter} = require 'event-kit'
 
 # Experimental: This will likely change, do not use.
 module.exports =
 class Notification
   constructor: (@type, @message, @options={}) ->
+    @emitter = new Emitter
     @timestamp = new Date()
+    @dismissed = true
+    @dismissed = false if @isDismissable()
+
+  onDidDismiss: (callback) ->
+    @emitter.on 'did-dismiss', callback
 
   getOptions: -> @options
 
@@ -20,8 +27,14 @@ class Notification
       and @getType() == other.getType() \
       and @getDetail() == other.getDetail()
 
-  isClosable: ->
-    !!@options.closable
+  dismiss: ->
+    return unless @isDismissable()
+    @dismissed = true
+    @emitter.emit 'did-dismiss'
+
+  isDismissed: -> @dismissed
+
+  isDismissable: -> !!@options.dismissable
 
   getIcon: ->
     return @options.icon if @options.icon?