Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

44 lines
943 B
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//
// ASTipProvider.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/ASTipProvider.h>
#if AS_ENABLE_TIPS
#import <AsyncDisplayKit/ASAssert.h>
// Concrete classes
#import <AsyncDisplayKit/ASLayerBackingTipProvider.h>
@implementation ASTipProvider
- (ASTip *)tipForNode:(ASDisplayNode *)node
{
ASDisplayNodeFailAssert(@"Subclasses must override %@", NSStringFromSelector(_cmd));
return nil;
}
@end
@implementation ASTipProvider (Lookup)
+ (NSArray<ASTipProvider *> *)all
{
static NSArray<ASTipProvider *> *providers;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
providers = @[ [ASLayerBackingTipProvider new] ];
});
return providers;
}
@end
#endif // AS_ENABLE_TIPS