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# 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
55 lines
1.8 KiB
Objective-C
55 lines
1.8 KiB
Objective-C
//
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// ASCollectionLayout.h
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// Texture
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//
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// 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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#ifndef MINIMAL_ASDK
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#import <Foundation/Foundation.h>
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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@protocol ASCollectionLayoutDelegate;
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@class ASElementMap, ASCollectionLayout, ASCollectionNode;
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NS_ASSUME_NONNULL_BEGIN
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AS_SUBCLASSING_RESTRICTED
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@interface ASCollectionLayout : UICollectionViewLayout
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/**
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* The collection node object currently using this layout object.
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*
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* @discussion The collection node object sets the value of this property when a new layout object is assigned to it.
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*
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* @discussion To get the truth on the current state of the collection, call methods on the collection node or the data source rather than the collection view because:
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* 1. The view might not yet be allocated.
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* 2. The collection node and data source are thread-safe.
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*/
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@property (nonatomic, weak) ASCollectionNode *collectionNode;
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@property (nonatomic, readonly) id<ASCollectionLayoutDelegate> layoutDelegate;
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/**
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* Initializes with a layout delegate.
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*
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* @discussion For developers' convenience, the delegate is retained by this layout object, similar to UICollectionView retains its UICollectionViewLayout object.
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*
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* @discussion For simplicity, the delegate is read-only. If a new layout delegate is needed, construct a new layout object with that delegate and notify ASCollectionView about it.
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* This ensures the underlying UICollectionView purges its cache and properly loads the new layout.
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*/
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- (instancetype)initWithLayoutDelegate:(id<ASCollectionLayoutDelegate>)layoutDelegate NS_DESIGNATED_INITIALIZER;
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- (instancetype)init __unavailable;
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- (instancetype)initWithCoder:(NSCoder *)aDecoder __unavailable;
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@end
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NS_ASSUME_NONNULL_END
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#endif
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