Swiftgram/Source/IGListAdapter+AsyncDisplayKit.mm
Adlai Holler d0ba092a77
Convert the codebase to Objective-C++ (#1206)
* Convert the codebase to Objective-C++ throughout. One language is better than two.

* Put it back

* Fix linker

* Point explicitly to updated Weaver to unblock build

* Revert "Point explicitly to updated Weaver to unblock build"

This reverts commit fdc25296e8794d4e6e56c35f5fe6da2be3f71dbc.

* Revert "Fix linker"

This reverts commit 7be25f91519b8497ef42de79f115bcfbdb965c39.

* Add in the frameworks

* no message

* Address spec lint warnings

* Fix tvos build

* Put that back

* Address Michael's review

* Add comment to kick CI
2018-11-02 12:04:14 -07:00

54 lines
1.8 KiB
Plaintext

//
// IGListAdapter+AsyncDisplayKit.mm
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASAvailability.h>
#if AS_IG_LIST_KIT
#import <AsyncDisplayKit/IGListAdapter+AsyncDisplayKit.h>
#import <AsyncDisplayKit/ASIGListAdapterBasedDataSource.h>
#import <AsyncDisplayKit/ASAssert.h>
#import <objc/runtime.h>
@implementation IGListAdapter (AsyncDisplayKit)
- (void)setASDKCollectionNode:(ASCollectionNode *)collectionNode
{
ASDisplayNodeAssertMainThread();
// Attempt to retrieve previous data source.
ASIGListAdapterBasedDataSource *dataSource = objc_getAssociatedObject(self, _cmd);
// Bomb if we already made one.
if (dataSource != nil) {
ASDisplayNodeFailAssert(@"Attempt to call %@ multiple times on the same list adapter. Not currently allowed!", NSStringFromSelector(_cmd));
return;
}
// Make a data source and retain it.
dataSource = [[ASIGListAdapterBasedDataSource alloc] initWithListAdapter:self];
objc_setAssociatedObject(self, _cmd, dataSource, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
// Attach the data source to the collection node.
collectionNode.dataSource = dataSource;
collectionNode.delegate = dataSource;
__weak IGListAdapter *weakSelf = self;
[collectionNode onDidLoad:^(__kindof ASCollectionNode * _Nonnull collectionNode) {
#if IG_LIST_COLLECTION_VIEW
// We manually set the superclass of ASCollectionView to IGListCollectionView at runtime if needed.
weakSelf.collectionView = (IGListCollectionView *)collectionNode.view;
#else
weakSelf.collectionView = collectionNode.view;
#endif
}];
}
@end
#endif // AS_IG_LIST_KIT