gistfile1.diff

diff --git a/AppKit/CPWindow/CPWindow.j b/AppKit/CPWindow/CPWindow.j
index fc82ea3..86b1f58 100644
--- a/AppKit/CPWindow/CPWindow.j
+++ b/AppKit/CPWindow/CPWindow.j
@@ -176,6 +176,7 @@ CPWindowWillCloseNotification       = @"CPWindowWillCloseNotification";
 CPWindowDidBecomeMainNotification   = @"CPWindowDidBecomeMainNotification";
 CPWindowDidResignMainNotification   = @"CPWindowDidResignMainNotification";
 CPWindowDidMoveNotification         = @"CPWindowDidMoveNotification";
+CPWindowDidResizeNotification       = @"CPWindowDidResizeNotification";
 CPWindowWillBeginSheetNotification  = @"CPWindowWillBeginSheetNotification";
 CPWindowDidEndSheetNotification     = @"CPWindowDidEndSheetNotification";
 CPWindowDidMiniaturizeNotification  = @"CPWindowDidMiniaturizeNotification";
@@ -646,7 +647,7 @@ CPTexturedBackgroundWindowMask
                 [_shadowView setFrameSize:_CGSizeMake(SHADOW_MARGIN_LEFT + size.width + SHADOW_MARGIN_RIGHT, SHADOW_MARGIN_BOTTOM + size.height + SHADOW_MARGIN_TOP + SHADOW_DISTANCE)];

             if (!_isAnimating && [_delegate respondsToSelector:@selector(windowDidResize:)])
-                [_delegate windowDidResize:self];
+                [[CPNotificationCenter defaultCenter] postNotificationName:CPWindowDidResizeNotification object:self];
         }

         if ([self _sharesChromeWithPlatformWindow])
@@ -1028,6 +1029,13 @@ CPTexturedBackgroundWindowMask
                selector:@selector(windowDidMove:)
                    name:CPWindowDidMoveNotification
                  object:self];
+
+    if ([_delegate respondsToSelector:@selector(windowDidResize:)])
+        [defaultCenter
+            addObserver:_delegate
+               selector:@selector(windowDidResize:)
+                   name:CPWindowDidResizeNotification
+                 object:self];
 }

 /*!