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

29 lines
908 B
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTAdditionAnimatedNode.h"
@implementation RCTAdditionAnimatedNode
- (void)performUpdate
{
[super performUpdate];
NSArray<NSNumber *> *inputNodes = self.config[@"input"];
if (inputNodes.count > 1) {
RCTValueAnimatedNode *parent1 = (RCTValueAnimatedNode *)self.parentNodes[inputNodes[0]];
RCTValueAnimatedNode *parent2 = (RCTValueAnimatedNode *)self.parentNodes[inputNodes[1]];
if ([parent1 isKindOfClass:[RCTValueAnimatedNode class]] &&
[parent2 isKindOfClass:[RCTValueAnimatedNode class]]) {
self.value = parent1.value + parent2.value;
}
}
}
@end