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12e4e5b048
* Improve Layout Abstraction * Address naming comments - Rename ASPrimitiveTraitEnvironment to ASTraitEnvironment - Rename ASPrimitiveTraitCollectionPropagateDown to ASTraitCollectionPropagateDown - Rename progagateNewPrimitiveTraitCollection: to propagateNewTraitCollection:
51 lines
1.7 KiB
Objective-C
51 lines
1.7 KiB
Objective-C
//
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// ASIndexedNodeContext.h
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// AsyncDisplayKit
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//
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// Created by Huy Nguyen on 2/28/16.
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#import <AsyncDisplayKit/ASDataController.h>
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#import <AsyncDisplayKit/ASTraitCollection.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface ASIndexedNodeContext : NSObject
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/**
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* The index path at which this node was originally inserted. Don't rely on this
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* property too heavily – we should remove it in the future.
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*/
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@property (nonatomic, readonly, strong) NSIndexPath *indexPath;
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@property (nonatomic, readonly, copy, nullable) NSString *supplementaryElementKind;
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@property (nonatomic, readonly, assign) ASSizeRange constrainedSize;
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@property (weak, nonatomic) id<ASTraitEnvironment> traitEnvironment;
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- (instancetype)initWithNodeBlock:(ASCellNodeBlock)nodeBlock
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indexPath:(NSIndexPath *)indexPath
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supplementaryElementKind:(nullable NSString *)supplementaryElementKind
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constrainedSize:(ASSizeRange)constrainedSize
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environment:(id<ASTraitEnvironment>)environment;
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/**
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* @return The node, running the node block if necessary. The node block will be discarded
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* after the first time it is run.
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*/
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@property (strong, readonly) ASCellNode *node;
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/**
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* @return The node, if the node block has been run already.
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*/
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@property (strong, readonly, nullable) ASCellNode *nodeIfAllocated;
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+ (NSArray<NSIndexPath *> *)indexPathsFromContexts:(NSArray<ASIndexedNodeContext *> *)contexts;
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@end
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NS_ASSUME_NONNULL_END
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