Cleaned up Spotlight update code.

Spotlight/SpotlightPlaylistController.h

@@ -10,8 +10,11 @@
 #import "PlaylistController.h"
 
 @interface SpotlightPlaylistController : PlaylistController {
+    NSArray *oldObjects;
 }
 
 - (BOOL)tableView:(NSTableView *)tv writeRowsWithIndexes:(NSIndexSet *)rowIndexes toPasteboard:(NSPasteboard*)pboard;
 
+@property(retain) NSArray *oldObjects;
+
 @end

Spotlight/SpotlightPlaylistController.m

@@ -11,6 +11,15 @@
 
 @implementation SpotlightPlaylistController
 
+- (id)init
+{
+    if(self = [super init])
+    {
+        oldObjects = nil;
+    }
+	return self;
+}
+
 // Allow drag and drop from Spotlight into main playlist
 - (BOOL)tableView:(NSTableView *)tv
     writeRowsWithIndexes:(NSIndexSet *)rowIndexes
@@ -36,4 +45,20 @@
     return NSDragOperationNone;
 }
 
+- (NSArray *)arrangeObjects:(NSArray *)objects
+{
+    if(![spotlightWindowController.query isGathering])
+        self.oldObjects = [super arrangeObjects:objects];
+
+    return oldObjects;
+}
+
+- (void)dealloc
+{
+    [oldObjects release];
+    [super dealloc];
+}
+
+@synthesize oldObjects;
+
 @end

Spotlight/SpotlightWindowController.m

@@ -242,19 +242,6 @@ static NSPredicate * musicOnlyPredicate = nil;
    [self.query enableUpdates];
 }
 
-// Don't update the track list until some results have been gathered
-- (id)valueForKeyPath:(NSString *)keyPath
-{
-    if([keyPath isEqualToString:@"query.results"])
-    {
-        if(([self.query.results count] == 0) && [self.query isGathering])
-            return self.oldResults;
-        self.oldResults = [NSArray arrayWithArray:self.query.results];
-        return self.oldResults;
-    }
-    return [super valueForKeyPath:keyPath];
-}
-
 #pragma mark NSMetadataQuery delegate methods
 
 // replace the NSMetadataItem with a PlaylistEntry