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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/Libraries/NativeAnimation
Просмотр файла: RCTNativeAnimatedNodesManager.mm
/*
* 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/RCTNativeAnimatedNodesManager.h>
#import <React/RCTConvert.h>
#import <React/RCTAdditionAnimatedNode.h>
#import <React/RCTAnimatedNode.h>
#import <React/RCTAnimationDriver.h>
#import <React/RCTColorAnimatedNode.h>
#import <React/RCTDecayAnimation.h>
#import <React/RCTDiffClampAnimatedNode.h>
#import <React/RCTDivisionAnimatedNode.h>
#import <React/RCTEventAnimation.h>
#import <React/RCTFrameAnimation.h>
#import <React/RCTInterpolationAnimatedNode.h>
#import <React/RCTModuloAnimatedNode.h>
#import <React/RCTMultiplicationAnimatedNode.h>
#import <React/RCTObjectAnimatedNode.h>
#import <React/RCTPropsAnimatedNode.h>
#import <React/RCTSpringAnimation.h>
#import <React/RCTStyleAnimatedNode.h>
#import <React/RCTSubtractionAnimatedNode.h>
#import <React/RCTTrackingAnimatedNode.h>
#import <React/RCTTransformAnimatedNode.h>
#import <React/RCTValueAnimatedNode.h>
// We do some normalizing of the event names in RCTEventDispatcher#RCTNormalizeInputEventName.
// To make things simpler just get rid of the parts we change in the event names we use here.
// This is a lot easier than trying to denormalize because there would be multiple possible
// denormalized forms for a single input.
static NSString *RCTNormalizeAnimatedEventName(NSString *eventName)
{
if ([eventName hasPrefix:@"on"]) {
return [eventName substringFromIndex:2];
}
if ([eventName hasPrefix:@"top"]) {
return [eventName substringFromIndex:3];
}
return eventName;
}
@implementation RCTNativeAnimatedNodesManager {
__weak RCTBridge *_bridge;
__weak id<RCTSurfacePresenterStub> _surfacePresenter;
NSMutableDictionary<NSNumber *, RCTAnimatedNode *> *_animationNodes;
// Mapping of a view tag and an event name to a list of event animation drivers. 99% of the time
// there will be only one driver per mapping so all code code should be optimized around that.
NSMutableDictionary<NSString *, NSMutableArray<RCTEventAnimation *> *> *_eventDrivers;
NSMutableSet<id<RCTAnimationDriver>> *_activeAnimations;
CADisplayLink *_displayLink;
}
- (instancetype)initWithBridge:(nullable RCTBridge *)bridge
surfacePresenter:(id<RCTSurfacePresenterStub>)surfacePresenter
{
if ((self = [super init])) {
_bridge = bridge;
_surfacePresenter = surfacePresenter;
_animationNodes = [NSMutableDictionary new];
_eventDrivers = [NSMutableDictionary new];
_activeAnimations = [NSMutableSet new];
}
return self;
}
- (BOOL)isNodeManagedByFabric:(NSNumber *)tag
{
RCTAnimatedNode *node = _animationNodes[tag];
if (node) {
return [node isManagedByFabric];
}
return false;
}
#pragma mark-- Graph
- (void)createAnimatedNode:(NSNumber *)tag config:(NSDictionary<NSString *, id> *)config
{
static NSDictionary *map;
static dispatch_once_t mapToken;
dispatch_once(&mapToken, ^{
map = @{
@"style" : [RCTStyleAnimatedNode class],
@"value" : [RCTValueAnimatedNode class],
@"color" : [RCTColorAnimatedNode class],
@"props" : [RCTPropsAnimatedNode class],
@"interpolation" : [RCTInterpolationAnimatedNode class],
@"addition" : [RCTAdditionAnimatedNode class],
@"diffclamp" : [RCTDiffClampAnimatedNode class],
@"division" : [RCTDivisionAnimatedNode class],
@"multiplication" : [RCTMultiplicationAnimatedNode class],
@"modulus" : [RCTModuloAnimatedNode class],
@"subtraction" : [RCTSubtractionAnimatedNode class],
@"transform" : [RCTTransformAnimatedNode class],
@"tracking" : [RCTTrackingAnimatedNode class],
@"object" : [RCTObjectAnimatedNode class],
};
});
NSString *nodeType = [RCTConvert NSString:config[@"type"]];
Class nodeClass = map[nodeType];
if (!nodeClass) {
RCTLogError(@"Animated node type %@ not supported natively", nodeType);
return;
}
RCTAnimatedNode *node = [[nodeClass alloc] initWithTag:tag config:config];
node.manager = self;
_animationNodes[tag] = node;
[node setNeedsUpdate];
}
- (void)connectAnimatedNodes:(NSNumber *)parentTag childTag:(NSNumber *)childTag
{
RCTAssertParam(parentTag);
RCTAssertParam(childTag);
RCTAnimatedNode *parentNode = _animationNodes[parentTag];
RCTAnimatedNode *childNode = _animationNodes[childTag];
RCTAssertParam(parentNode);
RCTAssertParam(childNode);
[parentNode addChild:childNode];
[childNode setNeedsUpdate];
}
- (void)disconnectAnimatedNodes:(NSNumber *)parentTag childTag:(NSNumber *)childTag
{
RCTAssertParam(parentTag);
RCTAssertParam(childTag);
RCTAnimatedNode *parentNode = _animationNodes[parentTag];
RCTAnimatedNode *childNode = _animationNodes[childTag];
RCTAssertParam(parentNode);
RCTAssertParam(childNode);
[parentNode removeChild:childNode];
[childNode setNeedsUpdate];
}
- (void)connectAnimatedNodeToView:(NSNumber *)nodeTag viewTag:(NSNumber *)viewTag viewName:(nullable NSString *)viewName
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if ([node isKindOfClass:[RCTPropsAnimatedNode class]]) {
// viewName is not used when node is managed by Fabric
[(RCTPropsAnimatedNode *)node connectToView:viewTag
viewName:viewName
bridge:_bridge
surfacePresenter:_surfacePresenter];
}
[node setNeedsUpdate];
}
- (void)disconnectAnimatedNodeFromView:(NSNumber *)nodeTag viewTag:(NSNumber *)viewTag
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if ([node isKindOfClass:[RCTPropsAnimatedNode class]]) {
[(RCTPropsAnimatedNode *)node disconnectFromView:viewTag];
}
}
- (void)restoreDefaultValues:(NSNumber *)nodeTag
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
// Restoring default values needs to happen before UIManager operations so it is
// possible the node hasn't been created yet if it is being connected and
// disconnected in the same batch. In that case we don't need to restore
// default values since it will never actually update the view.
if (node == nil) {
return;
}
if (![node isKindOfClass:[RCTPropsAnimatedNode class]]) {
RCTLogError(@"Not a props node.");
}
[(RCTPropsAnimatedNode *)node restoreDefaultValues];
}
- (void)dropAnimatedNode:(NSNumber *)tag
{
RCTAnimatedNode *node = _animationNodes[tag];
if (node) {
[node detachNode];
[_animationNodes removeObjectForKey:tag];
}
}
#pragma mark-- Mutations
- (void)setAnimatedNodeValue:(NSNumber *)nodeTag value:(NSNumber *)value
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if (![node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTLogError(@"Not a value node.");
return;
}
[self stopAnimationsForNode:node];
RCTValueAnimatedNode *valueNode = (RCTValueAnimatedNode *)node;
valueNode.value = value.floatValue;
[valueNode setNeedsUpdate];
}
- (void)setAnimatedNodeOffset:(NSNumber *)nodeTag offset:(NSNumber *)offset
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if (![node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTLogError(@"Not a value node.");
return;
}
RCTValueAnimatedNode *valueNode = (RCTValueAnimatedNode *)node;
[valueNode setOffset:offset.floatValue];
[valueNode setNeedsUpdate];
}
- (void)flattenAnimatedNodeOffset:(NSNumber *)nodeTag
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if (![node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTLogError(@"Not a value node.");
return;
}
RCTValueAnimatedNode *valueNode = (RCTValueAnimatedNode *)node;
[valueNode flattenOffset];
}
- (void)extractAnimatedNodeOffset:(NSNumber *)nodeTag
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if (![node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTLogError(@"Not a value node.");
return;
}
RCTValueAnimatedNode *valueNode = (RCTValueAnimatedNode *)node;
[valueNode extractOffset];
}
- (void)getValue:(NSNumber *)nodeTag saveCallback:(RCTResponseSenderBlock)saveCallback
{
RCTAnimatedNode *node = _animationNodes[nodeTag];
if (![node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTLogError(@"Not a value node.");
return;
}
RCTValueAnimatedNode *valueNode = (RCTValueAnimatedNode *)node;
;
saveCallback(@[ @(valueNode.value) ]);
}
- (void)updateAnimatedNodeConfig:(NSNumber *)tag config:(NSDictionary<NSString *, id> *)config
{
// TODO (T111179606): Support platform colors for color animations
}
#pragma mark-- Drivers
- (void)startAnimatingNode:(NSNumber *)animationId
nodeTag:(NSNumber *)nodeTag
config:(NSDictionary<NSString *, id> *)config
endCallback:(nullable RCTResponseSenderBlock)callBack
{
// check if the animation has already started
for (id<RCTAnimationDriver> driver in _activeAnimations) {
if ([driver.animationId isEqual:animationId]) {
// if the animation is running, we restart it with an updated configuration
[driver resetAnimationConfig:config];
return;
}
}
RCTValueAnimatedNode *valueNode = (RCTValueAnimatedNode *)_animationNodes[nodeTag];
NSString *type = config[@"type"];
id<RCTAnimationDriver> animationDriver;
if ([type isEqual:@"frames"]) {
animationDriver = [[RCTFrameAnimation alloc] initWithId:animationId
config:config
forNode:valueNode
callBack:callBack];
} else if ([type isEqual:@"spring"]) {
animationDriver = [[RCTSpringAnimation alloc] initWithId:animationId
config:config
forNode:valueNode
callBack:callBack];
} else if ([type isEqual:@"decay"]) {
animationDriver = [[RCTDecayAnimation alloc] initWithId:animationId
config:config
forNode:valueNode
callBack:callBack];
} else {
RCTLogError(@"Unsupported animation type: %@", config[@"type"]);
return;
}
[_activeAnimations addObject:animationDriver];
[animationDriver startAnimation];
[self startAnimationLoopIfNeeded];
}
- (void)stopAnimation:(NSNumber *)animationId
{
for (id<RCTAnimationDriver> driver in _activeAnimations) {
if ([driver.animationId isEqual:animationId]) {
[driver stopAnimation];
[_activeAnimations removeObject:driver];
break;
}
}
}
- (void)stopAnimationsForNode:(RCTAnimatedNode *)node
{
NSMutableArray<id<RCTAnimationDriver>> *discarded = [NSMutableArray new];
for (id<RCTAnimationDriver> driver in _activeAnimations) {
if ([driver.valueNode isEqual:node]) {
[discarded addObject:driver];
}
}
for (id<RCTAnimationDriver> driver in discarded) {
[driver stopAnimation];
[_activeAnimations removeObject:driver];
}
}
#pragma mark-- Events
- (void)addAnimatedEventToView:(NSNumber *)viewTag
eventName:(NSString *)eventName
eventMapping:(NSDictionary<NSString *, id> *)eventMapping
{
NSNumber *nodeTag = [RCTConvert NSNumber:eventMapping[@"animatedValueTag"]];
RCTAnimatedNode *node = _animationNodes[nodeTag];
if (!node) {
RCTLogError(@"Animated node with tag %@ does not exist", nodeTag);
return;
}
if (![node isKindOfClass:[RCTValueAnimatedNode class]]) {
RCTLogError(@"Animated node connected to event should be of type RCTValueAnimatedNode");
return;
}
NSArray<NSString *> *eventPath = [RCTConvert NSStringArray:eventMapping[@"nativeEventPath"]];
RCTEventAnimation *driver = [[RCTEventAnimation alloc] initWithEventPath:eventPath
valueNode:(RCTValueAnimatedNode *)node];
NSString *key = [NSString stringWithFormat:@"%@%@", viewTag, RCTNormalizeAnimatedEventName(eventName)];
if (_eventDrivers[key] != nil) {
[_eventDrivers[key] addObject:driver];
} else {
NSMutableArray<RCTEventAnimation *> *drivers = [NSMutableArray new];
[drivers addObject:driver];
_eventDrivers[key] = drivers;
}
// Handle onScrollEnded special events.
// These are triggered when the user stops dragging or when the
// scroll view stops decelerating after the user swiped
// The goal is to use this event to force a resync of the Shadow Tree
// with the Native tree
if ([eventName isEqualToString:@"onScroll"]) {
[self addAnimatedEventToView:viewTag eventName:@"onScrollEnded" eventMapping:eventMapping];
}
}
- (void)removeAnimatedEventFromView:(NSNumber *)viewTag
eventName:(NSString *)eventName
animatedNodeTag:(NSNumber *)animatedNodeTag
{
NSString *key = [NSString stringWithFormat:@"%@%@", viewTag, RCTNormalizeAnimatedEventName(eventName)];
if (_eventDrivers[key] != nil) {
if (_eventDrivers[key].count == 1) {
[_eventDrivers removeObjectForKey:key];
} else {
NSMutableArray<RCTEventAnimation *> *driversForKey = _eventDrivers[key];
for (NSUInteger i = 0; i < driversForKey.count; i++) {
if (driversForKey[i].valueNode.nodeTag == animatedNodeTag) {
[driversForKey removeObjectAtIndex:i];
break;
}
}
}
}
}
- (void)handleAnimatedEvent:(id<RCTEvent>)event
{
if (_eventDrivers.count == 0) {
return;
}
NSString *key = [NSString stringWithFormat:@"%@%@", event.viewTag, RCTNormalizeAnimatedEventName(event.eventName)];
NSMutableArray<RCTEventAnimation *> *driversForKey = _eventDrivers[key];
if (driversForKey) {
for (RCTEventAnimation *driver in driversForKey) {
[self stopAnimationsForNode:driver.valueNode];
[driver updateWithEvent:event];
}
[self updateAnimations];
}
}
#pragma mark-- Listeners
- (void)startListeningToAnimatedNodeValue:(NSNumber *)tag valueObserver:(id<RCTValueAnimatedNodeObserver>)valueObserver
{
RCTAnimatedNode *node = _animationNodes[tag];
if ([node isKindOfClass:[RCTValueAnimatedNode class]]) {
((RCTValueAnimatedNode *)node).valueObserver = valueObserver;
}
}
- (void)stopListeningToAnimatedNodeValue:(NSNumber *)tag
{
RCTAnimatedNode *node = _animationNodes[tag];
if ([node isKindOfClass:[RCTValueAnimatedNode class]]) {
((RCTValueAnimatedNode *)node).valueObserver = nil;
}
}
#pragma mark-- Animation Loop
- (void)startAnimationLoopIfNeeded
{
if (!_displayLink && _activeAnimations.count > 0) {
_displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(stepAnimations:)];
[_displayLink addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes];
}
}
- (void)stopAnimationLoopIfNeeded
{
if (_activeAnimations.count == 0) {
[self stopAnimationLoop];
}
}
- (void)stopAnimationLoop
{
if (_displayLink) {
[_displayLink invalidate];
_displayLink = nil;
}
}
- (void)stepAnimations:(CADisplayLink *)displaylink
{
NSTimeInterval time = displaylink.timestamp;
for (id<RCTAnimationDriver> animationDriver in _activeAnimations) {
[animationDriver stepAnimationWithTime:time];
}
[self updateAnimations];
for (id<RCTAnimationDriver> animationDriver in [_activeAnimations copy]) {
if (animationDriver.animationHasFinished) {
[animationDriver stopAnimation];
[_activeAnimations removeObject:animationDriver];
}
}
[self stopAnimationLoopIfNeeded];
}
- (NSSet<NSNumber *> *)getTagsOfConnectedNodesFrom:(NSNumber *)tag andEvent:(NSString *)eventName
{
NSMutableSet<NSNumber *> *tags = [NSMutableSet new];
NSString *key = [NSString stringWithFormat:@"%@%@", tag, RCTNormalizeAnimatedEventName(eventName)];
NSArray<RCTEventAnimation *> *eventAnimations = _eventDrivers[key];
for (RCTEventAnimation *animation in eventAnimations) {
NSNumber *nodeTag = [animation.valueNode nodeTag];
if (nodeTag) {
[tags addObject:nodeTag];
}
for (NSNumber *childNodeKey in [animation.valueNode childNodes]) {
[tags addObject:childNodeKey];
}
}
return tags;
}
#pragma mark-- Updates
- (void)updateAnimations
{
[_animationNodes enumerateKeysAndObjectsUsingBlock:^(NSNumber *key, RCTAnimatedNode *node, BOOL *stop) {
if (node.needsUpdate) {
[node updateNodeIfNecessary];
}
}];
}
@end
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