use autolayout

Rebel/RBLPopover.m

@@ -108,7 +108,7 @@ static CGFloat RBLRectsGetMedianY(CGRect r1, CGRect r2) {
 	_clippingPath = clippingPath;
 	CGPathRetain(_clippingPath);
 	
-	self.needsDisplay = YES;
+	self.needsLayout = YES;
 }
 
 - (void)drawRect:(NSRect)dirtyRect {
@@ -618,41 +618,36 @@ static CGFloat const RBLPopoverBackgroundViewArrowWidth = 35.0;
 	return self;
 }
 
-- (void)setFrame:(NSRect)frameRect {
-	[super setFrame:frameRect];
-	[self rbl_updateClippingView];
+- (void)drawRect:(NSRect)rect {
+   [super drawRect:rect];
+   [self.fillColor set];
+   NSRectFill(rect);
 }
 
 - (void)setArrowSize:(CGSize)arrowSize {
 	if (CGSizeEqualToSize(arrowSize, self.arrowSize)) return;
 	_arrowSize = arrowSize;
-	[self rbl_updateClippingView];
+	self.needsLayout = YES;
 }
 
 - (void)setPopoverEdge:(CGRectEdge)popoverEdge {
 	if (popoverEdge == self.popoverEdge) return;
 	_popoverEdge = popoverEdge;
-	[self rbl_updateClippingView];
+	self.needsLayout = YES;
 }
 
 - (void)setPopoverOrigin:(NSRect)popoverOrigin {
 	if (NSEqualRects(popoverOrigin, self.popoverOrigin)) return;
 	_popoverOrigin = popoverOrigin;
-	[self rbl_updateClippingView];
-}
-
-- (void)drawRect:(NSRect)rect {
-	[super drawRect:rect];
-	[self.fillColor set];
-	NSRectFill(rect);
+	self.needsLayout = YES;
 }
 
 - (BOOL)isOpaque {
 	return NO;
 }
 
-- (void)viewDidMoveToWindow {
-	[super viewDidMoveToWindow];
+- (void)layout {
+	[super layout];
 	[self rbl_updateClippingView];
 }