amis-rpc-design/node_modules/react-native/Libraries/NativeAnimation/Nodes/RCTValueAnimatedNode.m

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2023-10-07 19:42:30 +08:00
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import <React/RCTValueAnimatedNode.h>
@interface RCTValueAnimatedNode ()
@property (nonatomic, assign) CGFloat offset;
@end
@implementation RCTValueAnimatedNode
@synthesize value = _value;
- (instancetype)initWithTag:(NSNumber *)tag config:(NSDictionary<NSString *, id> *)config
{
if (self = [super initWithTag:tag config:config]) {
_offset = [self.config[@"offset"] floatValue];
_value = [self.config[@"value"] floatValue];
}
return self;
}
- (void)flattenOffset
{
_value += _offset;
_offset = 0;
}
- (void)extractOffset
{
_offset += _value;
_value = 0;
}
- (CGFloat)value
{
return _value + _offset;
}
- (id)animatedObject
{
return nil;
}
- (void)setValue:(CGFloat)value
{
_value = value;
if (_valueObserver) {
[_valueObserver animatedNode:self didUpdateValue:_value];
}
}
@end