GT2/Ejectable/node_modules/react-native/Libraries/NativeAnimation/Nodes/RCTPropsAnimatedNode.m

134 lines
3.7 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 <React/RCTPropsAnimatedNode.h>
#import <React/RCTLog.h>
#import <React/RCTSurfacePresenterStub.h>
#import <React/RCTUIManager.h>
#import <React/RCTAnimationUtils.h>
#import <React/RCTStyleAnimatedNode.h>
#import <React/RCTValueAnimatedNode.h>
@implementation RCTPropsAnimatedNode
{
NSNumber *_connectedViewTag;
NSNumber *_rootTag;
NSString *_connectedViewName;
__weak RCTBridge *_bridge;
NSMutableDictionary<NSString *, NSObject *> *_propsDictionary; // TODO: use RawProps or folly::dynamic directly
BOOL _managedByFabric;
}
- (instancetype)initWithTag:(NSNumber *)tag
config:(NSDictionary<NSString *, id> *)config
{
if (self = [super initWithTag:tag config:config]) {
_propsDictionary = [NSMutableDictionary new];
}
return self;
}
- (BOOL)isManagedByFabric
{
return _managedByFabric;
}
- (void)connectToView:(NSNumber *)viewTag
viewName:(NSString *)viewName
bridge:(RCTBridge *)bridge
{
_bridge = bridge;
_connectedViewTag = viewTag;
_connectedViewName = viewName;
_managedByFabric = RCTUIManagerTypeForTagIsFabric(viewTag);
_rootTag = nil;
}
- (void)disconnectFromView:(NSNumber *)viewTag
{
_bridge = nil;
_connectedViewTag = nil;
_connectedViewName = nil;
_managedByFabric = NO;
_rootTag = nil;
}
- (void)updateView
{
if (_managedByFabric) {
[_bridge.surfacePresenter synchronouslyUpdateViewOnUIThread:_connectedViewTag
props:_propsDictionary];
} else {
[_bridge.uiManager synchronouslyUpdateViewOnUIThread:_connectedViewTag
viewName:_connectedViewName
props:_propsDictionary];
}
}
- (void)restoreDefaultValues
{
// Restore the default value for all props that were modified by this node.
for (NSString *key in _propsDictionary.allKeys) {
_propsDictionary[key] = [NSNull null];
}
if (_propsDictionary.count) {
[self updateView];
}
}
- (NSString *)propertyNameForParentTag:(NSNumber *)parentTag
{
__block NSString *propertyName;
[self.config[@"props"] enumerateKeysAndObjectsUsingBlock:^(NSString *_Nonnull property, NSNumber *_Nonnull tag, BOOL *_Nonnull stop) {
if ([tag isEqualToNumber:parentTag]) {
propertyName = property;
*stop = YES;
}
}];
return propertyName;
}
- (void)performUpdate
{
[super performUpdate];
// Since we are updating nodes after detaching them from views there is a time where it's
// possible that the view was disconnected and still receive an update, this is normal and we can
// simply skip that update.
if (!_connectedViewTag) {
return;
}
for (NSNumber *parentTag in self.parentNodes.keyEnumerator) {
RCTAnimatedNode *parentNode = [self.parentNodes objectForKey:parentTag];
if ([parentNode isKindOfClass:[RCTStyleAnimatedNode class]]) {
[self->_propsDictionary addEntriesFromDictionary:[(RCTStyleAnimatedNode *)parentNode propsDictionary]];
} else if ([parentNode isKindOfClass:[RCTValueAnimatedNode class]]) {
NSString *property = [self propertyNameForParentTag:parentTag];
id animatedObject = [(RCTValueAnimatedNode *)parentNode animatedObject];
if (animatedObject) {
self->_propsDictionary[property] = animatedObject;
} else {
CGFloat value = [(RCTValueAnimatedNode *)parentNode value];
self->_propsDictionary[property] = @(value);
}
}
}
if (_propsDictionary.count) {
[self updateView];
}
}
@end