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- //
- // 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 "ASDisplayNode.h"
- #import "ASControlNode.h"
- #import "ASImageNode.h"
- #import "ASRangeController.h"
- NS_ASSUME_NONNULL_BEGIN
- @interface ASDisplayNode (Visualization)
- @property (nonatomic, assign) BOOL shouldVisualizeLayoutSpecs;
- @property (nonatomic, assign) BOOL shouldCacheLayoutSpec;
- @end
- @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.
- */
- + (void)setShouldShowImageScalingOverlay:(BOOL)show;
- + (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.
- */
- + (void)setEnableHitTestDebug:(BOOL)enable;
- + (BOOL)enableHitTestDebug;
- @end
- @interface ASRangeController (Debugging)
- /**
- * Class method to enable a visualization overlay of the all ASRangeController's tuning parameters. For dev purposes only.
- * To use, message ASRangeController in the AppDelegate --> [ASRangeController setShouldShowRangeDebugOverlay:YES];
- * @param enable Specify YES to make this debug feature enabled when messaging the ASRangeController class.
- */
- + (void)setShouldShowRangeDebugOverlay:(BOOL)show;
- + (BOOL)shouldShowRangeDebugOverlay;
- + (void)layoutDebugOverlayIfNeeded;
- - (void)addRangeControllerToRangeDebugOverlay;
- - (void)updateRangeController:(ASRangeController *)controller
- withScrollableDirections:(ASScrollDirection)scrollableDirections
- scrollDirection:(ASScrollDirection)direction
- rangeMode:(ASLayoutRangeMode)mode
- displayTuningParameters:(ASRangeTuningParameters)displayTuningParameters
- preloadTuningParameters:(ASRangeTuningParameters)preloadTuningParameters
- interfaceState:(ASInterfaceState)interfaceState;
- @end
- NS_ASSUME_NONNULL_END
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