Temp

submodules/AsyncDisplayKit/Source/ASConfigurationInternal.mm

@@ -1,111 +0,0 @@
-//
-//  ASConfigurationInternal.mm
-//  Texture
-//
-//  Copyright (c) Pinterest, Inc.  All rights reserved.
-//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
-//
-
-#import "ASConfigurationInternal.h"
-#import <AsyncDisplayKit/ASAssert.h>
-#import <AsyncDisplayKit/ASConfiguration.h>
-#import <AsyncDisplayKit/ASConfigurationDelegate.h>
-#import <stdatomic.h>
-
-static ASConfigurationManager *ASSharedConfigurationManager;
-static dispatch_once_t ASSharedConfigurationManagerOnceToken;
-
-NS_INLINE ASConfigurationManager *ASConfigurationManagerGet() {
-  dispatch_once(&ASSharedConfigurationManagerOnceToken, ^{
-    ASSharedConfigurationManager = [[ASConfigurationManager alloc] init];
-  });
-  return ASSharedConfigurationManager;
-}
-
-@implementation ASConfigurationManager {
-  ASConfiguration *_config;
-  dispatch_queue_t _delegateQueue;
-  BOOL _frameworkInitialized;
-  _Atomic(ASExperimentalFeatures) _activatedExperiments;
-}
-
-+ (ASConfiguration *)defaultConfiguration NS_RETURNS_RETAINED
-{
-  ASConfiguration *config = [[ASConfiguration alloc] init];
-  // TODO(wsdwsd0829): Fix #788 before enabling it.
-  // config.experimentalFeatures = ASExperimentalInterfaceStateCoalescing;
-  return config;
-}
-
-- (instancetype)init
-{
-  if (self = [super init]) {
-    _delegateQueue = dispatch_queue_create("org.TextureGroup.Texture.ConfigNotifyQueue", DISPATCH_QUEUE_SERIAL);
-    if ([ASConfiguration respondsToSelector:@selector(textureConfiguration)]) {
-      _config = [[ASConfiguration textureConfiguration] copy];
-    } else {
-      _config = [ASConfigurationManager defaultConfiguration];
-    }
-  }
-  return self;
-}
-
-- (void)frameworkDidInitialize
-{
-  ASDisplayNodeAssertMainThread();
-  if (_frameworkInitialized) {
-    ASDisplayNodeFailAssert(@"Framework initialized twice.");
-    return;
-  }
-  _frameworkInitialized = YES;
-  
-  const auto delegate = _config.delegate;
-  if ([delegate respondsToSelector:@selector(textureDidInitialize)]) {
-    [delegate textureDidInitialize];
-  }
-}
-
-- (BOOL)activateExperimentalFeature:(ASExperimentalFeatures)requested
-{
-  if (_config == nil) {
-    return NO;
-  }
-  
-  NSAssert(__builtin_popcountl(requested) == 1, @"Cannot activate multiple features at once with this method.");
-  
-  // We need to call out, whether it's enabled or not.
-  // A/B testing requires even "control" users to be activated.
-  ASExperimentalFeatures enabled = requested & _config.experimentalFeatures;
-  ASExperimentalFeatures prevTriggered = atomic_fetch_or(&_activatedExperiments, requested);
-  ASExperimentalFeatures newlyTriggered = requested & ~prevTriggered;
-  
-  // Notify delegate if needed.
-  if (newlyTriggered != 0) {
-    __unsafe_unretained id<ASConfigurationDelegate> del = _config.delegate;
-    dispatch_async(_delegateQueue, ^{
-      [del textureDidActivateExperimentalFeatures:newlyTriggered];
-    });
-  }
-  
-  return (enabled != 0);
-}
-
-// Define this even when !DEBUG, since we may run our tests in release mode.
-+ (void)test_resetWithConfiguration:(ASConfiguration *)configuration
-{
-  ASConfigurationManager *inst = ASConfigurationManagerGet();
-  inst->_config = configuration ?: [self defaultConfiguration];
-  atomic_store(&inst->_activatedExperiments, 0);
-}
-
-@end
-
-BOOL _ASActivateExperimentalFeature(ASExperimentalFeatures feature)
-{
-  return [ASConfigurationManagerGet() activateExperimentalFeature:feature];
-}
-
-void ASNotifyInitialized()
-{
-  [ASConfigurationManagerGet() frameworkDidInitialize];
-}