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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
83 lines
3.4 KiB
Objective-C
83 lines
3.4 KiB
Objective-C
//
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// ASCollectionNode+Beta.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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#ifndef MINIMAL_ASDK
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#import <AsyncDisplayKit/ASCollectionNode.h>
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@protocol ASCollectionViewLayoutFacilitatorProtocol, ASCollectionLayoutDelegate, ASBatchFetchingDelegate;
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@class ASElementMap;
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NS_ASSUME_NONNULL_BEGIN
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@interface ASCollectionNode (Beta)
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/**
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* Allows providing a custom subclass of ASCollectionView to be managed by ASCollectionNode.
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*
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* @default [ASCollectionView class] is used whenever this property is unset or nil.
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*/
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@property (nullable, nonatomic) Class collectionViewClass;
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/**
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* The elements that are currently displayed. The "UIKit index space". Must be accessed on main thread.
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*/
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@property (nonatomic, readonly) ASElementMap *visibleElements;
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@property (nullable, readonly) id<ASCollectionLayoutDelegate> layoutDelegate;
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@property (nullable, nonatomic, weak) id<ASBatchFetchingDelegate> batchFetchingDelegate;
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/**
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* When this mode is enabled, ASCollectionView matches the timing of UICollectionView as closely as
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* possible, ensuring that all reload and edit operations are performed on the main thread as
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* blocking calls.
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*
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* This mode is useful for applications that are debugging issues with their collection view
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* implementation. In particular, some applications do not properly conform to the API requirement
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* of UICollectionView, and these applications may experience difficulties with ASCollectionView.
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* Providing this mode allows for developers to work towards resolving technical debt in their
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* collection view data source, while ramping up asynchronous collection layout.
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*
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* NOTE: Because this mode results in expensive operations like cell layout being performed on the
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* main thread, it should be used as a tool to resolve data source conformance issues with Apple
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* collection view API.
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*
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* @default defaults to ASCellLayoutModeNone.
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*/
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@property (nonatomic) ASCellLayoutMode cellLayoutMode;
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/**
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* Returns YES if the ASCollectionNode contents are completely synchronized with the underlying collection-view layout.
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*/
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@property (nonatomic, readonly, getter=isSynchronized) BOOL synchronized;
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/**
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* Schedules a block to be performed (on the main thread) as soon as the completion block is called
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* on performBatchUpdates:.
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*
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* When isSynchronized == YES, the block is run block immediately (before the method returns).
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*/
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- (void)onDidFinishSynchronizing:(void (^)(void))didFinishSynchronizing;
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- (instancetype)initWithFrame:(CGRect)frame collectionViewLayout:(UICollectionViewLayout *)layout layoutFacilitator:(nullable id<ASCollectionViewLayoutFacilitatorProtocol>)layoutFacilitator;
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- (instancetype)initWithLayoutDelegate:(id<ASCollectionLayoutDelegate>)layoutDelegate layoutFacilitator:(nullable id<ASCollectionViewLayoutFacilitatorProtocol>)layoutFacilitator;
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- (void)beginUpdates ASDISPLAYNODE_DEPRECATED_MSG("Use -performBatchUpdates:completion: instead.");
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- (void)endUpdatesAnimated:(BOOL)animated ASDISPLAYNODE_DEPRECATED_MSG("Use -performBatchUpdates:completion: instead.");
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- (void)endUpdatesAnimated:(BOOL)animated completion:(nullable void (^)(BOOL))completion ASDISPLAYNODE_DEPRECATED_MSG("Use -performBatchUpdates:completion: instead.");
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@end
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NS_ASSUME_NONNULL_END
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#endif
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