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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
58 lines
1.5 KiB
Objective-C
58 lines
1.5 KiB
Objective-C
//
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// ASConfigurationInternal.h
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// Texture
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//
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// Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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/// Note this has to be public because it's imported by public header ASThread.h =/
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/// It will be private again after exp_unfair_lock ends.
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASConfiguration.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Quickly check if an experiment is enabled and notify the delegate
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* that it's been activated.
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*
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* The delegate will be notified asynchronously.
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*/
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#if DEBUG
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#define ASActivateExperimentalFeature(opt) _ASActivateExperimentalFeature(opt)
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#else
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#define ASActivateExperimentalFeature(opt) ({\
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static BOOL result;\
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static dispatch_once_t onceToken;\
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dispatch_once(&onceToken, ^{ result = _ASActivateExperimentalFeature(opt); });\
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result;\
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})
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#endif
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/**
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* Internal function. Use the macro without the underbar.
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*/
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AS_EXTERN BOOL _ASActivateExperimentalFeature(ASExperimentalFeatures option);
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/**
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* Notify the configuration delegate that the framework initialized, if needed.
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*/
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AS_EXTERN void ASNotifyInitialized(void);
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AS_SUBCLASSING_RESTRICTED
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@interface ASConfigurationManager : NSObject
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/**
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* No API for now.
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* Just use ASActivateExperimentalFeature to access this efficiently.
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*/
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/* Exposed for testing purposes only */
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+ (void)test_resetWithConfiguration:(nullable ASConfiguration *)configuration;
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@end
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NS_ASSUME_NONNULL_END
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