react-native/React/Fabric/Mounting/RCTComponentViewRegistry.mm

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTComponentViewRegistry.h"
#import <Foundation/NSMapTable.h>
#import <React/RCTAssert.h>
@implementation RCTComponentViewRegistry {
NSMapTable<id, UIView<RCTComponentViewProtocol> *> *_registry;
}
- (instancetype)init
{
if (self = [super init]) {
_registry = [NSMapTable mapTableWithKeyOptions:NSPointerFunctionsIntegerPersonality | NSPointerFunctionsOpaqueMemory
valueOptions:NSPointerFunctionsObjectPersonality];
}
return self;
}
- (UIView<RCTComponentViewProtocol> *)dequeueComponentViewWithName:(NSString *)componentName
tag:(ReactTag)tag
{
RCTAssertMainQueue();
// This is temporary approach.
NSString *className = [NSString stringWithFormat:@"RCT%@ComponentView", componentName];
UIView<RCTComponentViewProtocol> *componentView = [[NSClassFromString(className) alloc] init];
componentView.tag = tag;
[_registry setObject:componentView forKey:(__bridge id)(void *)tag];
return componentView;
}
- (void)enqueueComponentViewWithName:(NSString *)componentName
tag:(ReactTag)tag
componentView:(UIView<RCTComponentViewProtocol> *)componentView
{
RCTAssertMainQueue();
[_registry removeObjectForKey:(__bridge id)(void *)tag];
}
- (UIView<RCTComponentViewProtocol> *)componentViewByTag:(ReactTag)tag
{
RCTAssertMainQueue();
return [_registry objectForKey:(__bridge id)(void *)tag];
}
- (ReactTag)tagByComponentView:(UIView<RCTComponentViewProtocol> *)componentView
{
RCTAssertMainQueue();
return componentView.tag;
}
@end