react-native/Libraries/NativeAnimation/Nodes/RCTStyleAnimatedNode.m

52 lines
1.5 KiB
Objective-C

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTStyleAnimatedNode.h"
#import "RCTAnimationUtils.h"
#import "RCTValueAnimatedNode.h"
#import "RCTTransformAnimatedNode.h"
@implementation RCTStyleAnimatedNode
{
NSMutableDictionary<NSString *, NSObject *> *_propsDictionary;
}
- (instancetype)initWithTag:(NSNumber *)tag
config:(NSDictionary<NSString *, id> *)config;
{
if ((self = [super initWithTag:tag config:config])) {
_propsDictionary = [NSMutableDictionary new];
}
return self;
}
- (NSDictionary *)propsDictionary
{
return _propsDictionary;
}
- (void)performUpdate
{
[super performUpdate];
NSDictionary<NSString *, NSNumber *> *style = self.config[@"style"];
[style enumerateKeysAndObjectsUsingBlock:^(NSString *property, NSNumber *nodeTag, __unused BOOL *stop) {
RCTAnimatedNode *node = [self.parentNodes objectForKey:nodeTag];
if (node) {
if ([node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTValueAnimatedNode *parentNode = (RCTValueAnimatedNode *)node;
[self->_propsDictionary setObject:@(parentNode.value) forKey:property];
} else if ([node isKindOfClass:[RCTTransformAnimatedNode class]]) {
RCTTransformAnimatedNode *parentNode = (RCTTransformAnimatedNode *)node;
[self->_propsDictionary addEntriesFromDictionary:parentNode.propsDictionary];
}
}
}];
}
@end