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59 lines
2.0 KiB
Objective-C
59 lines
2.0 KiB
Objective-C
//
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// ASCollectionElement.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASDataController.h>
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#import <AsyncDisplayKit/ASDisplayNode+InterfaceState.h>
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#import <AsyncDisplayKit/ASTraitCollection.h>
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@class ASDisplayNode;
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@protocol ASRangeManagingNode;
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NS_ASSUME_NONNULL_BEGIN
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AS_SUBCLASSING_RESTRICTED
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@interface ASCollectionElement : NSObject {
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@package
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/**
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* Storage used by ASRangeController to know what range this element falls in during a given update pass.
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*
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* Note that this value is not necessarily _going to be_ the interface state that the element's node gets in the
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* update pass. For example, if the collection itself is not visible, then the cell won't be marked visible.
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*/
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ASInterfaceState _rangeControllerPendingInterfaceState;
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}
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@property (nullable, nonatomic, copy, readonly) NSString *supplementaryElementKind;
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@property (nonatomic) ASSizeRange constrainedSize;
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@property (nonatomic, weak, readonly) id<ASRangeManagingNode> owningNode;
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@property (nonatomic) ASPrimitiveTraitCollection traitCollection;
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@property (nullable, nonatomic, readonly) id nodeModel;
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- (instancetype)initWithNodeModel:(nullable id)nodeModel
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nodeBlock:(ASCellNodeBlock)nodeBlock
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supplementaryElementKind:(nullable NSString *)supplementaryElementKind
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constrainedSize:(ASSizeRange)constrainedSize
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owningNode:(id<ASRangeManagingNode>)owningNode
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traitCollection:(ASPrimitiveTraitCollection)traitCollection;
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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 (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 (nullable, readonly) ASCellNode *nodeIfAllocated;
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@end
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NS_ASSUME_NONNULL_END
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