69 lines
2.0 KiB
Objective-C
69 lines
2.0 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTPropsAnimatedNode.h"
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#import "RCTAnimationUtils.h"
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#import "RCTStyleAnimatedNode.h"
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#import "RCTValueAnimatedNode.h"
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#import "RCTViewPropertyMapper.h"
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@implementation RCTPropsAnimatedNode
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- (void)connectToView:(NSNumber *)viewTag uiManager:(RCTUIManager *)uiManager
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{
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_propertyMapper = [[RCTViewPropertyMapper alloc] initWithViewTag:viewTag uiManager:uiManager];
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}
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- (void)disconnectFromView:(NSNumber *)viewTag
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{
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_propertyMapper = nil;
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}
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- (void)performUpdate
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{
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[super performUpdate];
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[self performViewUpdatesIfNecessary];
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}
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- (NSString *)propertyNameForParentTag:(NSNumber *)parentTag
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{
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__block NSString *propertyName;
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[self.config[@"props"] enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull property, NSNumber * _Nonnull tag, BOOL * _Nonnull stop) {
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if ([tag isEqualToNumber:parentTag]) {
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propertyName = property;
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*stop = YES;
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}
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}];
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return propertyName;
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}
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- (void)performViewUpdatesIfNecessary
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{
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NSMutableDictionary *props = [NSMutableDictionary dictionary];
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[self.parentNodes enumerateKeysAndObjectsUsingBlock:^(NSNumber * _Nonnull parentTag, RCTAnimatedNode * _Nonnull parentNode, BOOL * _Nonnull stop) {
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if ([parentNode isKindOfClass:[RCTStyleAnimatedNode class]]) {
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[props addEntriesFromDictionary:[(RCTStyleAnimatedNode *)parentNode propsDictionary]];
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} else if ([parentNode isKindOfClass:[RCTValueAnimatedNode class]]) {
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NSString *property = [self propertyNameForParentTag:parentTag];
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CGFloat value = [(RCTValueAnimatedNode *)parentNode value];
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[props setObject:@(value) forKey:property];
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}
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}];
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if (props.count) {
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[_propertyMapper updateViewWithDictionary:props];
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}
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}
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@end
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