diff -r 000000000000 -r a910102a1c9d MYAnimatingSplitView.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MYAnimatingSplitView.h	Tue Apr 07 11:13:25 2009 -0700
@@ -0,0 +1,43 @@
+//
+//  MYAnimatingSplitView.h
+//  Cloudy
+//
+//  Created by Jens Alfke on 7/10/08.
+//  Copyright 2008 Jens Alfke. All rights reserved.
+//
+
+#import <AppKit/NSSplitView.h>
+
+
+@interface MYAnimatingSplitView : NSSplitView
+{
+    NSTimeInterval _animationTime;
+    BOOL _isLiveResizing;
+}
+
+
+/** The maximum time it will take to animate the divider. (Actual time depends on distance moved.) */
+@property NSTimeInterval animationTime;
+
+/** Pixel position of the divider (in the splitview's bounds' coordinate system.)
+    Setting this property animates the divider to the new position. */
+@property float dividerPosition;
+
+/** Position of the divider, scaled to the range [0..1]. */
+@property float dividerFractionalPosition;
+
+- (void) collapseSubviewAtIndex: (int)index;
+- (void) collapseSubviewAtIndex: (int)index animate: (BOOL)animate;
+
+/** Returns YES while the splitview itself is being resized (i.e. while the window
+    is resizing, or a parent splitview is moving its divider.) */
+@property (readonly) BOOL isLiveResizing;
+
+@end
+
+
+@interface NSObject (MYAnimatingSplitViewDelegate)
+/** If the delegate implements this method, it will be called when the splitview
+    begins and ends live resizing. */
+- (void)splitView: (NSSplitView*)splitView inLiveResize: (BOOL)inLiveResize;
+@end