animate quit window's progress bar in a different thread

macosx/Controller.m

@@ -463,7 +463,7 @@ void sleepCallBack(void * controller, io_service_t y, natural_t messageType, voi
             return NSTerminateLater;
         }
     }
-
+    
     return NSTerminateNow;
 }
 
@@ -516,6 +516,10 @@ void sleepCallBack(void * controller, io_service_t y, natural_t messageType, voi
     [self showStatusBar: NO animate: NO];
     [self showFilterBar: NO animate: NO];
     
+    //show quit window
+    QuittingWindowController * quitController = [[QuittingWindowController alloc] init];
+    [quitController showWindow: self];
+    
     //save history
     [self updateTorrentHistory];
     
@@ -525,8 +529,6 @@ void sleepCallBack(void * controller, io_service_t y, natural_t messageType, voi
     //clear badge
     [fBadger clearBadge];
     
-    [[[QuittingWindowController alloc] init] showWindow: self];
-    
     //remaining calls the same as dealloc 
     [fInfoController release];
     [fMessageController release];

macosx/QuittingWindowController.m

@@ -35,6 +35,8 @@
 - (void) awakeFromNib
 {
     [fMessageField setStringValue: [NSLocalizedString(@"Shutting Down", "Quitting Window -> message") stringByAppendingEllipsis]];
+    
+    [fProgressBar setUsesThreadedAnimation: YES];
     [fProgressBar startAnimation: nil];
     
     [[self window] center];