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62 lines
2.1 KiB
Objective-C
62 lines
2.1 KiB
Objective-C
//
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// IGListAdapter+AsyncDisplayKit.m
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// Texture
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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 /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASAvailability.h>
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#if AS_IG_LIST_KIT
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#import "IGListAdapter+AsyncDisplayKit.h"
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#import "ASIGListAdapterBasedDataSource.h"
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#import "ASAssert.h"
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#import <objc/runtime.h>
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@implementation IGListAdapter (AsyncDisplayKit)
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- (void)setASDKCollectionNode:(ASCollectionNode *)collectionNode
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{
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ASDisplayNodeAssertMainThread();
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// Attempt to retrieve previous data source.
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ASIGListAdapterBasedDataSource *dataSource = objc_getAssociatedObject(self, _cmd);
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// Bomb if we already made one.
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if (dataSource != nil) {
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ASDisplayNodeFailAssert(@"Attempt to call %@ multiple times on the same list adapter. Not currently allowed!", NSStringFromSelector(_cmd));
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return;
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}
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// Make a data source and retain it.
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dataSource = [[ASIGListAdapterBasedDataSource alloc] initWithListAdapter:self];
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objc_setAssociatedObject(self, _cmd, dataSource, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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// Attach the data source to the collection node.
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collectionNode.dataSource = dataSource;
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collectionNode.delegate = dataSource;
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__weak IGListAdapter *weakSelf = self;
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[collectionNode onDidLoad:^(__kindof ASCollectionNode * _Nonnull collectionNode) {
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#if IG_LIST_COLLECTION_VIEW
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// We manually set the superclass of ASCollectionView to IGListCollectionView at runtime if needed.
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weakSelf.collectionView = (IGListCollectionView *)collectionNode.view;
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#else
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weakSelf.collectionView = collectionNode.view;
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#endif
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}];
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}
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@end
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#endif // AS_IG_LIST_KIT
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