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# Conflicts: # AsyncDisplayKit.xcodeproj/project.pbxproj # AsyncDisplayKit/ASPagerFlowLayout.m # AsyncDisplayKit/AsyncDisplayKit.modulemap # AsyncDisplayKit/Details/ASCollectionDataController.h # AsyncDisplayKit/Details/ASCollectionDataController.mm # AsyncDisplayKit/Details/ASDataController.mm # AsyncDisplayKit/Private/ASDataController+Subclasses.h # AsyncDisplayKit/module.modulemap # Source/Debug/AsyncDisplayKit+Debug.h # Source/Details/ASCollectionElement.mm # Source/module.modulemap
82 lines
2.6 KiB
Objective-C
82 lines
2.6 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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#ifndef MINIMAL_ASDK
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#import <AsyncDisplayKit/ASCellNode.h>
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NS_ASSUME_NONNULL_BEGIN
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@class ASCollectionElement;
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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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* Notifies the delegate that a specified cell node invalidates it's size what could result into a size change.
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*
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* @param node A node informing the delegate about the relayout.
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*/
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- (void)nodeDidInvalidateSize:(ASCellNode *)node;
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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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@property (weak, nullable) ASCollectionElement *collectionElement;
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@property (nonatomic, weak, nullable) ASDisplayNode *owningNode;
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@property (nonatomic, assign) BOOL shouldUseUIKitCell;
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@end
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NS_ASSUME_NONNULL_END
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#endif
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