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83111de0cc
* Add first-pass view model support for collection node. Much more to come! * Address issues * Update the gorram license header * Dear lord
57 lines
2.1 KiB
Objective-C
57 lines
2.1 KiB
Objective-C
//
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// ASCollectionElement.h
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// Texture
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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 /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// 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/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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//TODO change this to be a generic "kind" or "elementKind" that exposes `nil` for row kind
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@property (nonatomic, readonly, copy, nullable) NSString *supplementaryElementKind;
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@property (nonatomic, assign) ASSizeRange constrainedSize;
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@property (nonatomic, readonly, weak) id<ASRangeManagingNode> owningNode;
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@property (nonatomic, assign) ASPrimitiveTraitCollection traitCollection;
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@property (nonatomic, readonly, nullable) id viewModel;
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- (instancetype)initWithViewModel:(nullable id)viewModel
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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 (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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@end
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NS_ASSUME_NONNULL_END
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