Swiftgram/Source/Private/ASCellNode+Internal.h
Peter a085123ec1 Merge commit '565da7d4935740d12fc204aa061faf093831da1e'
# Conflicts:
#	AsyncDisplayKit.xcodeproj/project.pbxproj
#	AsyncDisplayKit.xcodeproj/xcshareddata/xcschemes/AsyncDisplayKit.xcscheme
#	Source/ASDisplayNode.mm
#	Source/ASEditableTextNode.h
#	Source/ASImageNode.mm
#	Source/ASMapNode.h
#	Source/ASMapNode.mm
#	Source/Base/ASAssert.m
#	Source/Details/ASPhotosFrameworkImageRequest.h
#	Source/Details/ASPhotosFrameworkImageRequest.m
#	Source/Layout/ASLayoutElement.mm
2018-10-08 22:42:45 +03:00

80 lines
2.5 KiB
Objective-C

//
// ASCellNode+Internal.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
//
#ifndef MINIMAL_ASDK
#import <AsyncDisplayKit/ASCellNode.h>
NS_ASSUME_NONNULL_BEGIN
@class ASCollectionElement;
@protocol ASCellNodeInteractionDelegate <NSObject>
/**
* Notifies the delegate that a specified cell node invalidates it's size what could result into a size change.
*
* @param node A node informing the delegate about the relayout.
*/
- (void)nodeDidInvalidateSize:(ASCellNode *)node;
/*
* Methods to be called whenever the selection or highlight state changes
* on ASCellNode. UIKit internally stores these values to update reusable cells.
*/
- (void)nodeSelectedStateDidChange:(ASCellNode *)node;
- (void)nodeHighlightedStateDidChange:(ASCellNode *)node;
@end
@interface ASCellNode ()
@property (nonatomic, weak) id <ASCellNodeInteractionDelegate> interactionDelegate;
/*
* Back-pointer to the containing scrollView instance, set only for visible cells. Used for Cell Visibility Event callbacks.
*/
@property (nonatomic, weak) UIScrollView *scrollView;
- (void)__setSelectedFromUIKit:(BOOL)selected;
- (void)__setHighlightedFromUIKit:(BOOL)highlighted;
/**
* @note This could be declared @c copy, but since this is only settable internally, we can ensure
* that it's always safe simply to retain it, and copy if needed. Since @c UICollectionViewLayoutAttributes
* is always mutable, @c copy is never "free" like it is for e.g. NSString.
*/
@property (nullable, nonatomic) UICollectionViewLayoutAttributes *layoutAttributes;
@property (weak, nullable) ASCollectionElement *collectionElement;
@property (weak, nullable) id<ASRangeManagingNode> owningNode;
@property (nonatomic, readonly) BOOL shouldUseUIKitCell;
@end
@class ASWrapperCellNode;
typedef CGSize (^ASSizeForItemBlock)(ASWrapperCellNode *node, CGSize collectionSize);
typedef UICollectionViewCell * _Nonnull(^ASCellForItemBlock)(ASWrapperCellNode *node);
typedef UICollectionReusableView * _Nonnull(^ASViewForSupplementaryBlock)(ASWrapperCellNode *node);
@interface ASWrapperCellNode : ASCellNode
@property (nonatomic, readonly) ASSizeForItemBlock sizeForItemBlock;
@property (nonatomic, readonly) ASCellForItemBlock cellForItemBlock;
@property (nonatomic, readonly) ASViewForSupplementaryBlock viewForSupplementaryBlock;
@end
NS_ASSUME_NONNULL_END
#endif