From 32178541fe95320d140362d9bdca6b360f187463 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Mon, 29 Apr 2013 19:19:04 -0600
Subject: [PATCH] Emit 'destroyed' events from display buffer markers

---
 spec/app/display-buffer-spec.coffee  | 13 +++++++++++++
 src/app/display-buffer-marker.coffee |  1 +
 2 files changed, 14 insertions(+)

diff --git a/spec/app/display-buffer-spec.coffee b/spec/app/display-buffer-spec.coffee
index 0063bd791..8065cd1af 100644
--- a/spec/app/display-buffer-spec.coffee
+++ b/spec/app/display-buffer-spec.coffee
@@ -741,3 +741,16 @@ describe "DisplayBuffer", ->
         marker.destroy()
         expect(marker.isValid()).toBeFalsy()
         expect(displayBuffer.getMarker(marker.id)).toBeUndefined()
+
+      it "emits 'destroyed' events when markers are destroyed", ->
+        destroyedHandler = jasmine.createSpy("destroyedHandler")
+        marker = displayBuffer.markScreenRange([[5, 4], [5, 10]])
+        marker.on 'destroyed', destroyedHandler
+        marker.destroy()
+        expect(destroyedHandler).toHaveBeenCalled()
+        destroyedHandler.reset()
+
+        marker2 = displayBuffer.markScreenRange([[5, 4], [5, 10]])
+        marker2.on 'destroyed', destroyedHandler
+        buffer.getMarker(marker2.id).destroy()
+        expect(destroyedHandler).toHaveBeenCalled()
diff --git a/src/app/display-buffer-marker.coffee b/src/app/display-buffer-marker.coffee
index fc82ecfe8..24c85fcfc 100644
--- a/src/app/display-buffer-marker.coffee
+++ b/src/app/display-buffer-marker.coffee
@@ -143,6 +143,7 @@ class DisplayBufferMarker
 
   destroyed: ->
     delete @displayBuffer.markers[@id]
+    @trigger 'destroyed'
 
   observeBufferMarker: ->
     @bufferMarker.on 'destroyed', => @destroyed()