Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'

git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0e
git-subtree-split: 02bedc1281

submodules/AsyncDisplayKit/Source/ASContextTransitioning.h

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+//
+//  ASContextTransitioning.h
+//  Texture
+//
+//  Copyright (c) Facebook, Inc. and its affiliates.  All rights reserved.
+//  Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc.  All rights reserved.
+//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
+//
+
+#import <AsyncDisplayKit/ASDimension.h>
+
+@class ASDisplayNode;
+@class ASLayout;
+
+NS_ASSUME_NONNULL_BEGIN
+
+AS_EXTERN NSString * const ASTransitionContextFromLayoutKey;
+AS_EXTERN NSString * const ASTransitionContextToLayoutKey;
+
+@protocol ASContextTransitioning <NSObject>
+
+/**
+ @abstract Defines if the given transition is animated
+ */
+- (BOOL)isAnimated;
+
+/**
+ * @abstract Retrieve either the "from" or "to" layout
+ */
+- (nullable ASLayout *)layoutForKey:(NSString *)key;
+
+/**
+ * @abstract Retrieve either the "from" or "to" constrainedSize
+ */
+- (ASSizeRange)constrainedSizeForKey:(NSString *)key;
+
+/**
+ * @abstract Retrieve the subnodes from either the "from" or "to" layout
+ */
+- (NSArray<ASDisplayNode *> *)subnodesForKey:(NSString *)key;
+
+/**
+ * @abstract Subnodes that have been inserted in the layout transition
+ */
+- (NSArray<ASDisplayNode *> *)insertedSubnodes;
+
+/**
+ * @abstract Subnodes that will be removed in the layout transition
+ */
+- (NSArray<ASDisplayNode *> *)removedSubnodes;
+
+/**
+ @abstract The frame for the given node before the transition began.
+ @discussion Returns CGRectNull if the node was not in the hierarchy before the transition.
+ */
+- (CGRect)initialFrameForNode:(ASDisplayNode *)node;
+
+/**
+ @abstract The frame for the given node when the transition completes.
+ @discussion Returns CGRectNull if the node is no longer in the hierarchy after the transition.
+ */
+- (CGRect)finalFrameForNode:(ASDisplayNode *)node;
+
+/**
+ @abstract Invoke this method when the transition is completed in `animateLayoutTransition:`
+ @discussion Passing NO to `didComplete` will set the original layout as the new layout.
+ */
+- (void)completeTransition:(BOOL)didComplete;
+
+@end
+
+NS_ASSUME_NONNULL_END