53 lines
1.5 KiB
Objective-C
53 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 "RCTTrackingAnimatedNode.h"
|
|
#import "RCTValueAnimatedNode.h"
|
|
#import "RCTNativeAnimatedNodesManager.h"
|
|
|
|
@implementation RCTTrackingAnimatedNode {
|
|
NSNumber *_animationId;
|
|
NSNumber *_toValueNodeTag;
|
|
NSNumber *_valueNodeTag;
|
|
NSMutableDictionary *_animationConfig;
|
|
}
|
|
|
|
- (instancetype)initWithTag:(NSNumber *)tag
|
|
config:(NSDictionary<NSString *, id> *)config
|
|
{
|
|
if ((self = [super initWithTag:tag config:config])) {
|
|
_animationId = config[@"animationId"];
|
|
_toValueNodeTag = config[@"toValue"];
|
|
_valueNodeTag = config[@"value"];
|
|
_animationConfig = [NSMutableDictionary dictionaryWithDictionary:config[@"animationConfig"]];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)onDetachedFromNode:(RCTAnimatedNode *)parent
|
|
{
|
|
[self.manager stopAnimation:_animationId];
|
|
[super onDetachedFromNode:parent];
|
|
}
|
|
|
|
- (void)performUpdate
|
|
{
|
|
[super performUpdate];
|
|
|
|
// change animation config's "toValue" to reflect updated value of the parent node
|
|
RCTValueAnimatedNode *node = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:_toValueNodeTag];
|
|
_animationConfig[@"toValue"] = @(node.value);
|
|
|
|
[self.manager startAnimatingNode:_animationId
|
|
nodeTag:_valueNodeTag
|
|
config:_animationConfig
|
|
endCallback:nil];
|
|
}
|
|
|
|
@end
|
|
|