Shuffle & Cleanup Stuff (#3080)

Source/Debug/AsyncDisplayKit+Debug.h

@@ -0,0 +1,56 @@
+//
+//  AsyncDisplayKit+Debug.h
+//  AsyncDisplayKit
+//
+//  Created by Hannah Troisi on 3/7/16.
+//
+//  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under the BSD-style license found in the
+//  LICENSE file in the root directory of this source tree. An additional grant
+//  of patent rights can be found in the PATENTS file in the same directory.
+//
+
+#import <AsyncDisplayKit/ASControlNode.h>
+#import <AsyncDisplayKit/ASImageNode.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface ASImageNode (Debugging)
+
+/**
+ * Enables an ASImageNode debug label that shows the ratio of pixels in the source image to those in
+ * the displayed bounds (including cropRect).  This helps detect excessive image fetching / downscaling,
+ * as well as upscaling (such as providing a URL not suitable for a Retina device).  For dev purposes only.
+ * @param enabled Specify YES to show the label on all ASImageNodes with non-1.0x source-to-bounds pixel ratio.
+ */
+@property (class, nonatomic) BOOL shouldShowImageScalingOverlay;
+
+@end
+
+@interface ASControlNode (Debugging)
+
+/**
+ * Class method to enable a visualization overlay of the tappable area on the ASControlNode. For app debugging purposes only.
+ * NOTE: GESTURE RECOGNIZERS, (including tap gesture recognizers on a control node) WILL NOT BE VISUALIZED!!!
+ * Overlay = translucent GREEN color,
+ * edges that are clipped by the tappable area of any parent (their bounds + hitTestSlop) in the hierarchy = DARK GREEN BORDERED EDGE,
+ * edges that are clipped by clipToBounds = YES of any parent in the hierarchy = ORANGE BORDERED EDGE (may still receive touches beyond
+ * overlay rect, but can't be visualized).
+ * @param enable Specify YES to make this debug feature enabled when messaging the ASControlNode class.
+ */
+@property (class, nonatomic) BOOL enableHitTestDebug;
+
+@end
+
+@interface ASDisplayNode (RangeDebugging)
+
+/**
+ * Enable a visualization overlay of the all table/collection tuning parameters. For dev purposes only.
+ * To use, set this in the AppDelegate --> ASDisplayNode.shouldShowRangeDebugOverlay = YES
+ */
+@property (class, nonatomic) BOOL shouldShowRangeDebugOverlay;
+
+@end
+
+
+NS_ASSUME_NONNULL_END