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c2ea7cfeac
* Separate dataSource & UIKit index spaces Beef up our supplementary node support Make the API way better Go nuts Add a unit test for UICollectionView's handling of reloadData inside batch updates Wrap indexPathForNode: in a cache Convert index paths in delegate methods Go back on table view Put collection view back Switch up the API Move most ASCollectionView API to ASCollectionNode Move most table logic over to ASTableNode Do the things More conversion work Keep on keepin' on Get table view delegate API done More porting Simplify Clear the delegate More cleanup Move more stuff around Remove pointless file Re-add some API Put back more API Use the right flag * Some cleanup * Remove incorrect comment * Tweak the API * Put back a couple methods * update example projects (note: ASCollectionView deprecation warnings expected) * change reloadDataWithCompletion:nil --> reloadData * Clean up rebase * Make deprecated numberOfItemsInSection methods optional * Use the right flag * Address nits * update ASDKTube, ASDKgram & ASViewController examples
69 lines
2.3 KiB
Objective-C
69 lines
2.3 KiB
Objective-C
//
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// ASCellNode+Internal.h
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// AsyncDisplayKit
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//
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// Created by Max Gu on 2/19/16.
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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 root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#import "ASCellNode.h"
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NS_ASSUME_NONNULL_BEGIN
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@protocol ASCellNodeInteractionDelegate <NSObject>
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/**
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* Notifies the delegate that the specified cell node has done a relayout.
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* The notification is done on main thread.
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*
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* This will not be called due to measurement passes before the node has loaded
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* its view, even if triggered by -setNeedsLayout, as it is assumed these are
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* not relevant to UIKit. Indeed, these calls can cause consistency issues.
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*
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* @param node A node informing the delegate about the relayout.
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* @param sizeChanged `YES` if the node's `calculatedSize` changed during the relayout, `NO` otherwise.
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*/
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- (void)nodeDidRelayout:(ASCellNode *)node sizeChanged:(BOOL)sizeChanged;
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/*
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* Methods to be called whenever the selection or highlight state changes
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* on ASCellNode. UIKit internally stores these values to update reusable cells.
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*/
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- (void)nodeSelectedStateDidChange:(ASCellNode *)node;
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- (void)nodeHighlightedStateDidChange:(ASCellNode *)node;
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@end
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@interface ASCellNode ()
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@property (nonatomic, weak) id <ASCellNodeInteractionDelegate> interactionDelegate;
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/*
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* Back-pointer to the containing scrollView instance, set only for visible cells. Used for Cell Visibility Event callbacks.
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*/
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@property (nonatomic, weak) UIScrollView *scrollView;
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- (void)__setSelectedFromUIKit:(BOOL)selected;
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- (void)__setHighlightedFromUIKit:(BOOL)highlighted;
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/**
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* @note This could be declared @c copy, but since this is only settable internally, we can ensure
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* that it's always safe simply to retain it, and copy if needed. Since @c UICollectionViewLayoutAttributes
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* is always mutable, @c copy is never "free" like it is for e.g. NSString.
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*/
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@property (nonatomic, strong, nullable) UICollectionViewLayoutAttributes *layoutAttributes;
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/// readwrite variant of the readonly public property.
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@property (nonatomic, copy, nullable) NSString *supplementaryElementKind;
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@property (nonatomic, copy, nullable) NSIndexPath *cachedIndexPath;
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@end
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NS_ASSUME_NONNULL_END
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