1658 lines
58 KiB
Objective-C
1658 lines
58 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 "RCTUIManager.h"
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#import <AVFoundation/AVFoundation.h>
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#import <yoga/Yoga.h>
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#import "RCTAccessibilityManager.h"
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#import "RCTAnimationType.h"
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#import "RCTAssert.h"
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#import "RCTBridge+Private.h"
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#import "RCTBridge.h"
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#import "RCTComponent.h"
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#import "RCTComponentData.h"
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#import "RCTConvert.h"
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#import "RCTDefines.h"
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#import "RCTEventDispatcher.h"
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#import "RCTLog.h"
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#import "RCTModuleData.h"
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#import "RCTModuleMethod.h"
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#import "RCTProfile.h"
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#import "RCTRootContentView.h"
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#import "RCTRootShadowView.h"
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#import "RCTRootViewInternal.h"
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#import "RCTScrollableProtocol.h"
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#import "RCTShadowView.h"
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#import "RCTUtils.h"
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#import "RCTUIManagerObserverCoordinator.h"
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#import "RCTView.h"
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#import "RCTViewManager.h"
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#import "UIView+React.h"
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static void RCTTraverseViewNodes(id<RCTComponent> view, void (^block)(id<RCTComponent>))
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{
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if (view.reactTag) {
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block(view);
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for (id<RCTComponent> subview in view.reactSubviews) {
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RCTTraverseViewNodes(subview, block);
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}
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}
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}
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char *const RCTUIManagerQueueName = "com.facebook.react.ShadowQueue";
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NSString *const RCTUIManagerWillUpdateViewsDueToContentSizeMultiplierChangeNotification = @"RCTUIManagerWillUpdateViewsDueToContentSizeMultiplierChangeNotification";
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NSString *const RCTUIManagerDidRegisterRootViewNotification = @"RCTUIManagerDidRegisterRootViewNotification";
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NSString *const RCTUIManagerDidRemoveRootViewNotification = @"RCTUIManagerDidRemoveRootViewNotification";
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NSString *const RCTUIManagerRootViewKey = @"RCTUIManagerRootViewKey";
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@interface RCTAnimation : NSObject
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@property (nonatomic, readonly) NSTimeInterval duration;
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@property (nonatomic, readonly) NSTimeInterval delay;
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@property (nonatomic, readonly, copy) NSString *property;
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@property (nonatomic, readonly) CGFloat springDamping;
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@property (nonatomic, readonly) CGFloat initialVelocity;
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@property (nonatomic, readonly) RCTAnimationType animationType;
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@end
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static UIViewAnimationCurve _currentKeyboardAnimationCurve;
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@implementation RCTAnimation
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static UIViewAnimationOptions UIViewAnimationOptionsFromRCTAnimationType(RCTAnimationType type)
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{
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switch (type) {
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case RCTAnimationTypeLinear:
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return UIViewAnimationOptionCurveLinear;
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case RCTAnimationTypeEaseIn:
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return UIViewAnimationOptionCurveEaseIn;
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case RCTAnimationTypeEaseOut:
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return UIViewAnimationOptionCurveEaseOut;
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case RCTAnimationTypeEaseInEaseOut:
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return UIViewAnimationOptionCurveEaseInOut;
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case RCTAnimationTypeKeyboard:
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// http://stackoverflow.com/questions/18870447/how-to-use-the-default-ios7-uianimation-curve
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return (UIViewAnimationOptions)(_currentKeyboardAnimationCurve << 16);
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default:
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RCTLogError(@"Unsupported animation type %zd", type);
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return UIViewAnimationOptionCurveEaseInOut;
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}
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}
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// Use a custom initialization function rather than implementing `+initialize` so that we can control
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// when the initialization code runs. `+initialize` runs immediately before the first message is sent
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// to the class which may be too late for us. By this time, we may have missed some
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// `UIKeyboardWillChangeFrameNotification`s.
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+ (void)initializeStatics
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{
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#if !TARGET_OS_TV
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(keyboardWillChangeFrame:)
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name:UIKeyboardWillChangeFrameNotification
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object:nil];
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});
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#endif
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}
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+ (void)keyboardWillChangeFrame:(NSNotification *)notification
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{
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#if !TARGET_OS_TV
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NSDictionary *userInfo = notification.userInfo;
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_currentKeyboardAnimationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue];
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#endif
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}
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- (instancetype)initWithDuration:(NSTimeInterval)duration dictionary:(NSDictionary *)config
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{
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if (!config) {
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return nil;
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}
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if ((self = [super init])) {
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_property = [RCTConvert NSString:config[@"property"]];
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_duration = [RCTConvert NSTimeInterval:config[@"duration"]] ?: duration;
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if (_duration > 0.0 && _duration < 0.01) {
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RCTLogError(@"RCTLayoutAnimation expects timings to be in ms, not seconds.");
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_duration = _duration * 1000.0;
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}
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_delay = [RCTConvert NSTimeInterval:config[@"delay"]];
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if (_delay > 0.0 && _delay < 0.01) {
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RCTLogError(@"RCTLayoutAnimation expects timings to be in ms, not seconds.");
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_delay = _delay * 1000.0;
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}
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_animationType = [RCTConvert RCTAnimationType:config[@"type"]];
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if (_animationType == RCTAnimationTypeSpring) {
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_springDamping = [RCTConvert CGFloat:config[@"springDamping"]];
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_initialVelocity = [RCTConvert CGFloat:config[@"initialVelocity"]];
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}
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}
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return self;
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}
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- (void)performAnimations:(void (^)(void))animations
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withCompletionBlock:(void (^)(BOOL completed))completionBlock
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{
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if (_animationType == RCTAnimationTypeSpring) {
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[UIView animateWithDuration:_duration
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delay:_delay
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usingSpringWithDamping:_springDamping
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initialSpringVelocity:_initialVelocity
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options:UIViewAnimationOptionBeginFromCurrentState
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animations:animations
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completion:completionBlock];
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} else {
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UIViewAnimationOptions options = UIViewAnimationOptionBeginFromCurrentState |
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UIViewAnimationOptionsFromRCTAnimationType(_animationType);
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[UIView animateWithDuration:_duration
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delay:_delay
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options:options
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animations:animations
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completion:completionBlock];
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}
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}
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@end
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@interface RCTLayoutAnimation : NSObject
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@property (nonatomic, copy) NSDictionary *config;
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@property (nonatomic, strong) RCTAnimation *createAnimation;
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@property (nonatomic, strong) RCTAnimation *updateAnimation;
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@property (nonatomic, strong) RCTAnimation *deleteAnimation;
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@property (nonatomic, copy) RCTResponseSenderBlock callback;
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@end
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@implementation RCTLayoutAnimation
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- (instancetype)initWithDictionary:(NSDictionary *)config callback:(RCTResponseSenderBlock)callback
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{
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if (!config) {
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return nil;
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}
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if ((self = [super init])) {
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_config = [config copy];
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NSTimeInterval duration = [RCTConvert NSTimeInterval:config[@"duration"]];
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if (duration > 0.0 && duration < 0.01) {
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RCTLogError(@"RCTLayoutAnimation expects timings to be in ms, not seconds.");
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duration = duration * 1000.0;
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}
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_createAnimation = [[RCTAnimation alloc] initWithDuration:duration dictionary:config[@"create"]];
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_updateAnimation = [[RCTAnimation alloc] initWithDuration:duration dictionary:config[@"update"]];
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_deleteAnimation = [[RCTAnimation alloc] initWithDuration:duration dictionary:config[@"delete"]];
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_callback = callback;
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}
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return self;
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}
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@end
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@implementation RCTUIManager
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{
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// Root views are only mutated on the shadow queue
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NSMutableSet<NSNumber *> *_rootViewTags;
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NSMutableArray<RCTViewManagerUIBlock> *_pendingUIBlocks;
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// Animation
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RCTLayoutAnimation *_layoutAnimation; // Main thread only
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NSMutableSet<UIView *> *_viewsToBeDeleted; // Main thread only
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NSMutableDictionary<NSNumber *, RCTShadowView *> *_shadowViewRegistry; // RCT thread only
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NSMutableDictionary<NSNumber *, UIView *> *_viewRegistry; // Main thread only
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// Keyed by viewName
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NSDictionary *_componentDataByName;
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NSMutableSet<id<RCTComponent>> *_bridgeTransactionListeners;
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}
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@synthesize bridge = _bridge;
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RCT_EXPORT_MODULE()
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- (void)didReceiveNewContentSizeMultiplier
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{
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// Report the event across the bridge.
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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[_bridge.eventDispatcher sendDeviceEventWithName:@"didUpdateContentSizeMultiplier"
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body:@([_bridge.accessibilityManager multiplier])];
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#pragma clang diagnostic pop
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dispatch_async(RCTGetUIManagerQueue(), ^{
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[[NSNotificationCenter defaultCenter] postNotificationName:RCTUIManagerWillUpdateViewsDueToContentSizeMultiplierChangeNotification
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object:self];
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[self setNeedsLayout];
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});
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}
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- (void)invalidate
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{
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/**
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* Called on the JS Thread since all modules are invalidated on the JS thread
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*/
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// This only accessed from the shadow queue
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_pendingUIBlocks = nil;
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dispatch_async(dispatch_get_main_queue(), ^{
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RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"UIManager invalidate", nil);
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for (NSNumber *rootViewTag in self->_rootViewTags) {
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[(id<RCTInvalidating>)self->_viewRegistry[rootViewTag] invalidate];
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}
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self->_rootViewTags = nil;
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self->_shadowViewRegistry = nil;
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self->_viewRegistry = nil;
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self->_bridgeTransactionListeners = nil;
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self->_bridge = nil;
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
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});
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}
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- (NSMutableDictionary<NSNumber *, RCTShadowView *> *)shadowViewRegistry
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{
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// NOTE: this method only exists so that it can be accessed by unit tests
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if (!_shadowViewRegistry) {
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_shadowViewRegistry = [NSMutableDictionary new];
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}
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return _shadowViewRegistry;
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}
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- (NSMutableDictionary<NSNumber *, UIView *> *)viewRegistry
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{
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// NOTE: this method only exists so that it can be accessed by unit tests
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if (!_viewRegistry) {
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_viewRegistry = [NSMutableDictionary new];
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}
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return _viewRegistry;
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}
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- (void)setBridge:(RCTBridge *)bridge
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{
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RCTAssert(_bridge == nil, @"Should not re-use same UIIManager instance");
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_bridge = bridge;
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_shadowViewRegistry = [NSMutableDictionary new];
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_viewRegistry = [NSMutableDictionary new];
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// Internal resources
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_pendingUIBlocks = [NSMutableArray new];
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_rootViewTags = [NSMutableSet new];
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_bridgeTransactionListeners = [NSMutableSet new];
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_observerCoordinator = [RCTUIManagerObserverCoordinator new];
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_viewsToBeDeleted = [NSMutableSet new];
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// Get view managers from bridge
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NSMutableDictionary *componentDataByName = [NSMutableDictionary new];
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for (Class moduleClass in _bridge.moduleClasses) {
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if ([moduleClass isSubclassOfClass:[RCTViewManager class]]) {
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RCTComponentData *componentData = [[RCTComponentData alloc] initWithManagerClass:moduleClass
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bridge:_bridge];
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componentDataByName[componentData.name] = componentData;
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}
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}
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_componentDataByName = [componentDataByName copy];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(didReceiveNewContentSizeMultiplier)
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name:RCTAccessibilityManagerDidUpdateMultiplierNotification
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object:_bridge.accessibilityManager];
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[RCTAnimation initializeStatics];
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}
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dispatch_queue_t RCTGetUIManagerQueue(void)
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{
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static dispatch_queue_t shadowQueue;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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if ([NSOperation instancesRespondToSelector:@selector(qualityOfService)]) {
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dispatch_queue_attr_t attr = dispatch_queue_attr_make_with_qos_class(DISPATCH_QUEUE_SERIAL, QOS_CLASS_USER_INTERACTIVE, 0);
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shadowQueue = dispatch_queue_create(RCTUIManagerQueueName, attr);
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} else {
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shadowQueue = dispatch_queue_create(RCTUIManagerQueueName, DISPATCH_QUEUE_SERIAL);
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dispatch_set_target_queue(shadowQueue, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0));
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}
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});
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return shadowQueue;
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}
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BOOL RCTIsUIManagerQueue()
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{
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static void *queueKey = &queueKey;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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dispatch_queue_set_specific(RCTGetUIManagerQueue(), queueKey, queueKey, NULL);
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});
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return dispatch_get_specific(queueKey) == queueKey;
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}
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- (dispatch_queue_t)methodQueue
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{
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return RCTGetUIManagerQueue();
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}
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- (void)registerRootView:(RCTRootContentView *)rootView
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{
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RCTAssertMainQueue();
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NSNumber *reactTag = rootView.reactTag;
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RCTAssert(RCTIsReactRootView(reactTag),
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@"View %@ with tag #%@ is not a root view", rootView, reactTag);
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UIView *existingView = _viewRegistry[reactTag];
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RCTAssert(existingView == nil || existingView == rootView,
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@"Expect all root views to have unique tag. Added %@ twice", reactTag);
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CGSize availableSize = rootView.availableSize;
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// Register view
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_viewRegistry[reactTag] = rootView;
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// Register shadow view
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dispatch_async(RCTGetUIManagerQueue(), ^{
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if (!self->_viewRegistry) {
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return;
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}
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RCTRootShadowView *shadowView = [RCTRootShadowView new];
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shadowView.availableSize = availableSize;
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shadowView.reactTag = reactTag;
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shadowView.backgroundColor = rootView.backgroundColor;
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shadowView.viewName = NSStringFromClass([rootView class]);
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self->_shadowViewRegistry[shadowView.reactTag] = shadowView;
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[self->_rootViewTags addObject:reactTag];
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});
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[[NSNotificationCenter defaultCenter] postNotificationName:RCTUIManagerDidRegisterRootViewNotification
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object:self
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userInfo:@{RCTUIManagerRootViewKey: rootView}];
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}
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- (NSString *)viewNameForReactTag:(NSNumber *)reactTag
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{
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RCTAssertThread(RCTGetUIManagerQueue(), @"viewNameForReactTag can only be called from the shadow queue");
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return _shadowViewRegistry[reactTag].viewName;
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}
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- (UIView *)viewForReactTag:(NSNumber *)reactTag
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{
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RCTAssertMainQueue();
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return _viewRegistry[reactTag];
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}
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- (void)setAvailableSize:(CGSize)availableSize forRootView:(UIView *)rootView
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{
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RCTAssertMainQueue();
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NSNumber *reactTag = rootView.reactTag;
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dispatch_async(RCTGetUIManagerQueue(), ^{
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RCTRootShadowView *shadowView = (RCTRootShadowView *)self->_shadowViewRegistry[reactTag];
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RCTAssert(shadowView != nil, @"Could not locate shadow view with tag #%@", reactTag);
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RCTAssert([shadowView isKindOfClass:[RCTRootShadowView class]], @"Located shadow view (with tag #%@) is actually not root view.", reactTag);
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if (CGSizeEqualToSize(availableSize, shadowView.availableSize)) {
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return;
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}
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shadowView.availableSize = availableSize;
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[self setNeedsLayout];
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});
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}
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- (void)setSize:(CGSize)size forView:(UIView *)view
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{
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RCTAssertMainQueue();
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NSNumber *reactTag = view.reactTag;
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dispatch_async(RCTGetUIManagerQueue(), ^{
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RCTShadowView *shadowView = self->_shadowViewRegistry[reactTag];
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RCTAssert(shadowView != nil, @"Could not locate shadow view with tag #%@", reactTag);
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if (CGSizeEqualToSize(size, shadowView.size)) {
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return;
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}
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shadowView.size = size;
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[self setNeedsLayout];
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});
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}
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- (void)setIntrinsicContentSize:(CGSize)size forView:(UIView *)view
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{
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RCTAssertMainQueue();
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NSNumber *reactTag = view.reactTag;
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dispatch_async(RCTGetUIManagerQueue(), ^{
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RCTShadowView *shadowView = self->_shadowViewRegistry[reactTag];
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RCTAssert(shadowView != nil, @"Could not locate view with tag #%@", reactTag);
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if (!CGSizeEqualToSize(shadowView.intrinsicContentSize, size)) {
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shadowView.intrinsicContentSize = size;
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[self setNeedsLayout];
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}
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});
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}
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- (void)setBackgroundColor:(UIColor *)color forView:(UIView *)view
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{
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RCTAssertMainQueue();
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NSNumber *reactTag = view.reactTag;
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dispatch_async(RCTGetUIManagerQueue(), ^{
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if (!self->_viewRegistry) {
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return;
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}
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RCTShadowView *shadowView = self->_shadowViewRegistry[reactTag];
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RCTAssert(shadowView != nil, @"Could not locate root view with tag #%@", reactTag);
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shadowView.backgroundColor = color;
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[self _amendPendingUIBlocksWithStylePropagationUpdateForShadowView:shadowView];
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[self flushUIBlocks];
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});
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}
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/**
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* Unregisters views from registries
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*/
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- (void)_purgeChildren:(NSArray<id<RCTComponent>> *)children
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fromRegistry:(NSMutableDictionary<NSNumber *, id<RCTComponent>> *)registry
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{
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for (id<RCTComponent> child in children) {
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RCTTraverseViewNodes(registry[child.reactTag], ^(id<RCTComponent> subview) {
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RCTAssert(![subview isReactRootView], @"Root views should not be unregistered");
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if ([subview conformsToProtocol:@protocol(RCTInvalidating)]) {
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[(id<RCTInvalidating>)subview invalidate];
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}
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[registry removeObjectForKey:subview.reactTag];
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if (registry == (NSMutableDictionary<NSNumber *, id<RCTComponent>> *)self->_viewRegistry) {
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[self->_bridgeTransactionListeners removeObject:subview];
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}
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});
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}
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}
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- (void)addUIBlock:(RCTViewManagerUIBlock)block
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{
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RCTAssertThread(RCTGetUIManagerQueue(),
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@"-[RCTUIManager addUIBlock:] should only be called from the "
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"UIManager's queue (get this using `RCTGetUIManagerQueue()`)");
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if (!block || !_viewRegistry) {
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return;
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}
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[_pendingUIBlocks addObject:block];
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}
|
|
|
|
- (void)prependUIBlock:(RCTViewManagerUIBlock)block
|
|
{
|
|
RCTAssertThread(RCTGetUIManagerQueue(),
|
|
@"-[RCTUIManager prependUIBlock:] should only be called from the "
|
|
"UIManager's queue (get this using `RCTGetUIManagerQueue()`)");
|
|
|
|
if (!block || !_viewRegistry) {
|
|
return;
|
|
}
|
|
|
|
[_pendingUIBlocks insertObject:block atIndex:0];
|
|
}
|
|
|
|
- (RCTViewManagerUIBlock)uiBlockWithLayoutUpdateForRootView:(RCTRootShadowView *)rootShadowView
|
|
{
|
|
RCTAssert(!RCTIsMainQueue(), @"Should be called on shadow queue");
|
|
|
|
// This is nuanced. In the JS thread, we create a new update buffer
|
|
// `frameTags`/`frames` that is created/mutated in the JS thread. We access
|
|
// these structures in the UI-thread block. `NSMutableArray` is not thread
|
|
// safe so we rely on the fact that we never mutate it after it's passed to
|
|
// the main thread.
|
|
NSSet<RCTShadowView *> *viewsWithNewFrames = [rootShadowView collectViewsWithUpdatedFrames];
|
|
|
|
if (!viewsWithNewFrames.count) {
|
|
// no frame change results in no UI update block
|
|
return nil;
|
|
}
|
|
|
|
typedef struct {
|
|
CGRect frame;
|
|
UIUserInterfaceLayoutDirection layoutDirection;
|
|
BOOL isNew;
|
|
BOOL parentIsNew;
|
|
BOOL isHidden;
|
|
} RCTFrameData;
|
|
|
|
// Construct arrays then hand off to main thread
|
|
NSUInteger count = viewsWithNewFrames.count;
|
|
NSMutableArray *reactTags = [[NSMutableArray alloc] initWithCapacity:count];
|
|
NSMutableData *framesData = [[NSMutableData alloc] initWithLength:sizeof(RCTFrameData) * count];
|
|
{
|
|
NSUInteger index = 0;
|
|
RCTFrameData *frameDataArray = (RCTFrameData *)framesData.mutableBytes;
|
|
for (RCTShadowView *shadowView in viewsWithNewFrames) {
|
|
reactTags[index] = shadowView.reactTag;
|
|
frameDataArray[index++] = (RCTFrameData){
|
|
shadowView.frame,
|
|
shadowView.effectiveLayoutDirection,
|
|
shadowView.isNewView,
|
|
shadowView.superview.isNewView,
|
|
shadowView.isHidden,
|
|
};
|
|
}
|
|
}
|
|
|
|
// These are blocks to be executed on each view, immediately after
|
|
// reactSetFrame: has been called. Note that if reactSetFrame: is not called,
|
|
// these won't be called either, so this is not a suitable place to update
|
|
// properties that aren't related to layout.
|
|
NSMutableDictionary<NSNumber *, RCTViewManagerUIBlock> *updateBlocks =
|
|
[NSMutableDictionary new];
|
|
for (RCTShadowView *shadowView in viewsWithNewFrames) {
|
|
|
|
// We have to do this after we build the parentsAreNew array.
|
|
shadowView.newView = NO;
|
|
|
|
NSNumber *reactTag = shadowView.reactTag;
|
|
RCTViewManager *manager = [_componentDataByName[shadowView.viewName] manager];
|
|
RCTViewManagerUIBlock block = [manager uiBlockToAmendWithShadowView:shadowView];
|
|
if (block) {
|
|
updateBlocks[reactTag] = block;
|
|
}
|
|
|
|
if (shadowView.onLayout) {
|
|
CGRect frame = shadowView.frame;
|
|
shadowView.onLayout(@{
|
|
@"layout": @{
|
|
@"x": @(frame.origin.x),
|
|
@"y": @(frame.origin.y),
|
|
@"width": @(frame.size.width),
|
|
@"height": @(frame.size.height),
|
|
},
|
|
});
|
|
}
|
|
|
|
if (RCTIsReactRootView(reactTag)) {
|
|
CGSize contentSize = shadowView.frame.size;
|
|
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
UIView *view = self->_viewRegistry[reactTag];
|
|
RCTAssert(view != nil, @"view (for ID %@) not found", reactTag);
|
|
|
|
RCTRootView *rootView = (RCTRootView *)[view superview];
|
|
rootView.intrinsicContentSize = contentSize;
|
|
});
|
|
}
|
|
}
|
|
|
|
// Perform layout (possibly animated)
|
|
return ^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
|
|
const RCTFrameData *frameDataArray = (const RCTFrameData *)framesData.bytes;
|
|
RCTLayoutAnimation *layoutAnimation = uiManager->_layoutAnimation;
|
|
|
|
__block NSUInteger completionsCalled = 0;
|
|
|
|
NSInteger index = 0;
|
|
for (NSNumber *reactTag in reactTags) {
|
|
RCTFrameData frameData = frameDataArray[index++];
|
|
|
|
UIView *view = viewRegistry[reactTag];
|
|
CGRect frame = frameData.frame;
|
|
|
|
BOOL isHidden = frameData.isHidden;
|
|
UIUserInterfaceLayoutDirection layoutDirection = frameData.layoutDirection;
|
|
BOOL isNew = frameData.isNew;
|
|
RCTAnimation *updateAnimation = isNew ? nil : layoutAnimation.updateAnimation;
|
|
BOOL shouldAnimateCreation = isNew && !frameData.parentIsNew;
|
|
RCTAnimation *createAnimation = shouldAnimateCreation ? layoutAnimation.createAnimation : nil;
|
|
|
|
void (^completion)(BOOL) = ^(BOOL finished) {
|
|
completionsCalled++;
|
|
if (layoutAnimation.callback && completionsCalled == count) {
|
|
layoutAnimation.callback(@[@(finished)]);
|
|
|
|
// It's unsafe to call this callback more than once, so we nil it out here
|
|
// to make sure that doesn't happen.
|
|
layoutAnimation.callback = nil;
|
|
}
|
|
};
|
|
|
|
if (view.isHidden != isHidden) {
|
|
view.hidden = isHidden;
|
|
}
|
|
|
|
if (view.reactLayoutDirection != layoutDirection) {
|
|
view.reactLayoutDirection = layoutDirection;
|
|
}
|
|
|
|
RCTViewManagerUIBlock updateBlock = updateBlocks[reactTag];
|
|
if (createAnimation) {
|
|
|
|
// Animate view creation
|
|
[view reactSetFrame:frame];
|
|
|
|
CATransform3D finalTransform = view.layer.transform;
|
|
CGFloat finalOpacity = view.layer.opacity;
|
|
|
|
NSString *property = createAnimation.property;
|
|
if ([property isEqualToString:@"scaleXY"]) {
|
|
view.layer.transform = CATransform3DMakeScale(0, 0, 0);
|
|
} else if ([property isEqualToString:@"opacity"]) {
|
|
view.layer.opacity = 0.0;
|
|
} else {
|
|
RCTLogError(@"Unsupported layout animation createConfig property %@",
|
|
createAnimation.property);
|
|
}
|
|
|
|
[createAnimation performAnimations:^{
|
|
if ([property isEqualToString:@"scaleXY"]) {
|
|
view.layer.transform = finalTransform;
|
|
} else if ([property isEqualToString:@"opacity"]) {
|
|
view.layer.opacity = finalOpacity;
|
|
}
|
|
if (updateBlock) {
|
|
updateBlock(self, viewRegistry);
|
|
}
|
|
} withCompletionBlock:completion];
|
|
|
|
} else if (updateAnimation) {
|
|
|
|
// Animate view update
|
|
[updateAnimation performAnimations:^{
|
|
[view reactSetFrame:frame];
|
|
if (updateBlock) {
|
|
updateBlock(self, viewRegistry);
|
|
}
|
|
} withCompletionBlock:completion];
|
|
|
|
} else {
|
|
|
|
// Update without animation
|
|
[view reactSetFrame:frame];
|
|
if (updateBlock) {
|
|
updateBlock(self, viewRegistry);
|
|
}
|
|
completion(YES);
|
|
}
|
|
}
|
|
|
|
// Clean up
|
|
uiManager->_layoutAnimation = nil;
|
|
};
|
|
}
|
|
|
|
- (void)_amendPendingUIBlocksWithStylePropagationUpdateForShadowView:(RCTShadowView *)topView
|
|
{
|
|
NSMutableSet<RCTApplierBlock> *applierBlocks = [NSMutableSet setWithCapacity:1];
|
|
[topView collectUpdatedProperties:applierBlocks parentProperties:@{}];
|
|
|
|
if (applierBlocks.count) {
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
for (RCTApplierBlock block in applierBlocks) {
|
|
block(viewRegistry);
|
|
}
|
|
}];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method to be called from JS, which takes a container ID and then releases
|
|
* all subviews for that container upon receipt.
|
|
*/
|
|
RCT_EXPORT_METHOD(removeSubviewsFromContainerWithID:(nonnull NSNumber *)containerID)
|
|
{
|
|
id<RCTComponent> container = _shadowViewRegistry[containerID];
|
|
RCTAssert(container != nil, @"container view (for ID %@) not found", containerID);
|
|
|
|
NSUInteger subviewsCount = [container reactSubviews].count;
|
|
NSMutableArray<NSNumber *> *indices = [[NSMutableArray alloc] initWithCapacity:subviewsCount];
|
|
for (NSUInteger childIndex = 0; childIndex < subviewsCount; childIndex++) {
|
|
[indices addObject:@(childIndex)];
|
|
}
|
|
|
|
[self manageChildren:containerID
|
|
moveFromIndices:nil
|
|
moveToIndices:nil
|
|
addChildReactTags:nil
|
|
addAtIndices:nil
|
|
removeAtIndices:indices];
|
|
}
|
|
|
|
/**
|
|
* Disassociates children from container. Doesn't remove from registries.
|
|
* TODO: use [NSArray getObjects:buffer] to reuse same fast buffer each time.
|
|
*
|
|
* @returns Array of removed items.
|
|
*/
|
|
- (NSArray<id<RCTComponent>> *)_childrenToRemoveFromContainer:(id<RCTComponent>)container
|
|
atIndices:(NSArray<NSNumber *> *)atIndices
|
|
{
|
|
// If there are no indices to move or the container has no subviews don't bother
|
|
// We support parents with nil subviews so long as they're all nil so this allows for this behavior
|
|
if (atIndices.count == 0 || [container reactSubviews].count == 0) {
|
|
return nil;
|
|
}
|
|
// Construction of removed children must be done "up front", before indices are disturbed by removals.
|
|
NSMutableArray<id<RCTComponent>> *removedChildren = [NSMutableArray arrayWithCapacity:atIndices.count];
|
|
RCTAssert(container != nil, @"container view (for ID %@) not found", container);
|
|
for (NSNumber *indexNumber in atIndices) {
|
|
NSUInteger index = indexNumber.unsignedIntegerValue;
|
|
if (index < [container reactSubviews].count) {
|
|
[removedChildren addObject:[container reactSubviews][index]];
|
|
}
|
|
}
|
|
if (removedChildren.count != atIndices.count) {
|
|
NSString *message = [NSString stringWithFormat:@"removedChildren count (%tu) was not what we expected (%tu)",
|
|
removedChildren.count, atIndices.count];
|
|
RCTFatal(RCTErrorWithMessage(message));
|
|
}
|
|
return removedChildren;
|
|
}
|
|
|
|
- (void)_removeChildren:(NSArray<id<RCTComponent>> *)children
|
|
fromContainer:(id<RCTComponent>)container
|
|
{
|
|
for (id<RCTComponent> removedChild in children) {
|
|
[container removeReactSubview:removedChild];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove subviews from their parent with an animation.
|
|
*/
|
|
- (void)_removeChildren:(NSArray<UIView *> *)children
|
|
fromContainer:(UIView *)container
|
|
withAnimation:(RCTLayoutAnimation *)animation
|
|
{
|
|
RCTAssertMainQueue();
|
|
RCTAnimation *deleteAnimation = animation.deleteAnimation;
|
|
|
|
__block NSUInteger completionsCalled = 0;
|
|
for (UIView *removedChild in children) {
|
|
|
|
void (^completion)(BOOL) = ^(BOOL finished) {
|
|
completionsCalled++;
|
|
|
|
[self->_viewsToBeDeleted removeObject:removedChild];
|
|
[container removeReactSubview:removedChild];
|
|
|
|
if (animation.callback && completionsCalled == children.count) {
|
|
animation.callback(@[@(finished)]);
|
|
|
|
// It's unsafe to call this callback more than once, so we nil it out here
|
|
// to make sure that doesn't happen.
|
|
animation.callback = nil;
|
|
}
|
|
};
|
|
|
|
[_viewsToBeDeleted addObject:removedChild];
|
|
|
|
// Disable user interaction while the view is animating since JS won't receive
|
|
// the view events anyway.
|
|
removedChild.userInteractionEnabled = NO;
|
|
|
|
NSString *property = deleteAnimation.property;
|
|
[deleteAnimation performAnimations:^{
|
|
if ([property isEqualToString:@"scaleXY"]) {
|
|
removedChild.layer.transform = CATransform3DMakeScale(0.001, 0.001, 0.001);
|
|
} else if ([property isEqualToString:@"opacity"]) {
|
|
removedChild.layer.opacity = 0.0;
|
|
} else {
|
|
RCTLogError(@"Unsupported layout animation createConfig property %@",
|
|
deleteAnimation.property);
|
|
}
|
|
} withCompletionBlock:completion];
|
|
}
|
|
}
|
|
|
|
|
|
RCT_EXPORT_METHOD(removeRootView:(nonnull NSNumber *)rootReactTag)
|
|
{
|
|
RCTShadowView *rootShadowView = _shadowViewRegistry[rootReactTag];
|
|
RCTAssert(rootShadowView.superview == nil, @"root view cannot have superview (ID %@)", rootReactTag);
|
|
[self _purgeChildren:(NSArray<id<RCTComponent>> *)rootShadowView.reactSubviews
|
|
fromRegistry:(NSMutableDictionary<NSNumber *, id<RCTComponent>> *)_shadowViewRegistry];
|
|
[_shadowViewRegistry removeObjectForKey:rootReactTag];
|
|
[_rootViewTags removeObject:rootReactTag];
|
|
|
|
[self addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
|
|
RCTAssertMainQueue();
|
|
UIView *rootView = viewRegistry[rootReactTag];
|
|
[uiManager _purgeChildren:(NSArray<id<RCTComponent>> *)rootView.reactSubviews
|
|
fromRegistry:(NSMutableDictionary<NSNumber *, id<RCTComponent>> *)viewRegistry];
|
|
[(NSMutableDictionary *)viewRegistry removeObjectForKey:rootReactTag];
|
|
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:RCTUIManagerDidRemoveRootViewNotification
|
|
object:uiManager
|
|
userInfo:@{RCTUIManagerRootViewKey: rootView}];
|
|
}];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(replaceExistingNonRootView:(nonnull NSNumber *)reactTag
|
|
withView:(nonnull NSNumber *)newReactTag)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
RCTAssert(shadowView != nil, @"shadowView (for ID %@) not found", reactTag);
|
|
|
|
RCTShadowView *superShadowView = shadowView.superview;
|
|
if (!superShadowView) {
|
|
RCTAssert(NO, @"shadowView super (of ID %@) not found", reactTag);
|
|
return;
|
|
}
|
|
|
|
NSUInteger indexOfView = [superShadowView.reactSubviews indexOfObject:shadowView];
|
|
RCTAssert(indexOfView != NSNotFound, @"View's superview doesn't claim it as subview (id %@)", reactTag);
|
|
NSArray<NSNumber *> *removeAtIndices = @[@(indexOfView)];
|
|
NSArray<NSNumber *> *addTags = @[newReactTag];
|
|
[self manageChildren:superShadowView.reactTag
|
|
moveFromIndices:nil
|
|
moveToIndices:nil
|
|
addChildReactTags:addTags
|
|
addAtIndices:removeAtIndices
|
|
removeAtIndices:removeAtIndices];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(setChildren:(nonnull NSNumber *)containerTag
|
|
reactTags:(NSArray<NSNumber *> *)reactTags)
|
|
{
|
|
RCTSetChildren(containerTag, reactTags,
|
|
(NSDictionary<NSNumber *, id<RCTComponent>> *)_shadowViewRegistry);
|
|
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
|
|
|
|
RCTSetChildren(containerTag, reactTags,
|
|
(NSDictionary<NSNumber *, id<RCTComponent>> *)viewRegistry);
|
|
}];
|
|
}
|
|
|
|
static void RCTSetChildren(NSNumber *containerTag,
|
|
NSArray<NSNumber *> *reactTags,
|
|
NSDictionary<NSNumber *, id<RCTComponent>> *registry)
|
|
{
|
|
id<RCTComponent> container = registry[containerTag];
|
|
NSInteger index = 0;
|
|
for (NSNumber *reactTag in reactTags) {
|
|
id<RCTComponent> view = registry[reactTag];
|
|
if (view) {
|
|
[container insertReactSubview:view atIndex:index++];
|
|
}
|
|
}
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(manageChildren:(nonnull NSNumber *)containerTag
|
|
moveFromIndices:(NSArray<NSNumber *> *)moveFromIndices
|
|
moveToIndices:(NSArray<NSNumber *> *)moveToIndices
|
|
addChildReactTags:(NSArray<NSNumber *> *)addChildReactTags
|
|
addAtIndices:(NSArray<NSNumber *> *)addAtIndices
|
|
removeAtIndices:(NSArray<NSNumber *> *)removeAtIndices)
|
|
{
|
|
[self _manageChildren:containerTag
|
|
moveFromIndices:moveFromIndices
|
|
moveToIndices:moveToIndices
|
|
addChildReactTags:addChildReactTags
|
|
addAtIndices:addAtIndices
|
|
removeAtIndices:removeAtIndices
|
|
registry:(NSMutableDictionary<NSNumber *, id<RCTComponent>> *)_shadowViewRegistry];
|
|
|
|
[self addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
|
|
[uiManager _manageChildren:containerTag
|
|
moveFromIndices:moveFromIndices
|
|
moveToIndices:moveToIndices
|
|
addChildReactTags:addChildReactTags
|
|
addAtIndices:addAtIndices
|
|
removeAtIndices:removeAtIndices
|
|
registry:(NSMutableDictionary<NSNumber *, id<RCTComponent>> *)viewRegistry];
|
|
}];
|
|
}
|
|
|
|
- (void)_manageChildren:(NSNumber *)containerTag
|
|
moveFromIndices:(NSArray<NSNumber *> *)moveFromIndices
|
|
moveToIndices:(NSArray<NSNumber *> *)moveToIndices
|
|
addChildReactTags:(NSArray<NSNumber *> *)addChildReactTags
|
|
addAtIndices:(NSArray<NSNumber *> *)addAtIndices
|
|
removeAtIndices:(NSArray<NSNumber *> *)removeAtIndices
|
|
registry:(NSMutableDictionary<NSNumber *, id<RCTComponent>> *)registry
|
|
{
|
|
id<RCTComponent> container = registry[containerTag];
|
|
RCTAssert(moveFromIndices.count == moveToIndices.count, @"moveFromIndices had size %tu, moveToIndices had size %tu", moveFromIndices.count, moveToIndices.count);
|
|
RCTAssert(addChildReactTags.count == addAtIndices.count, @"there should be at least one React child to add");
|
|
|
|
// Removes (both permanent and temporary moves) are using "before" indices
|
|
NSArray<id<RCTComponent>> *permanentlyRemovedChildren =
|
|
[self _childrenToRemoveFromContainer:container atIndices:removeAtIndices];
|
|
NSArray<id<RCTComponent>> *temporarilyRemovedChildren =
|
|
[self _childrenToRemoveFromContainer:container atIndices:moveFromIndices];
|
|
|
|
BOOL isUIViewRegistry = ((id)registry == (id)_viewRegistry);
|
|
if (isUIViewRegistry && _layoutAnimation.deleteAnimation) {
|
|
[self _removeChildren:(NSArray<UIView *> *)permanentlyRemovedChildren
|
|
fromContainer:(UIView *)container
|
|
withAnimation:_layoutAnimation];
|
|
} else {
|
|
[self _removeChildren:permanentlyRemovedChildren fromContainer:container];
|
|
}
|
|
|
|
[self _removeChildren:temporarilyRemovedChildren fromContainer:container];
|
|
[self _purgeChildren:permanentlyRemovedChildren fromRegistry:registry];
|
|
|
|
// Figure out what to insert - merge temporary inserts and adds
|
|
NSMutableDictionary *destinationsToChildrenToAdd = [NSMutableDictionary dictionary];
|
|
for (NSInteger index = 0, length = temporarilyRemovedChildren.count; index < length; index++) {
|
|
destinationsToChildrenToAdd[moveToIndices[index]] = temporarilyRemovedChildren[index];
|
|
}
|
|
for (NSInteger index = 0, length = addAtIndices.count; index < length; index++) {
|
|
id<RCTComponent> view = registry[addChildReactTags[index]];
|
|
if (view) {
|
|
destinationsToChildrenToAdd[addAtIndices[index]] = view;
|
|
}
|
|
}
|
|
|
|
NSArray<NSNumber *> *sortedIndices =
|
|
[destinationsToChildrenToAdd.allKeys sortedArrayUsingSelector:@selector(compare:)];
|
|
for (NSNumber *reactIndex in sortedIndices) {
|
|
NSInteger insertAtIndex = reactIndex.integerValue;
|
|
|
|
// When performing a delete animation, views are not removed immediately
|
|
// from their container so we need to offset the insertion index if a view
|
|
// that will be removed appears earlier than the view we are inserting.
|
|
if (isUIViewRegistry && _viewsToBeDeleted.count > 0) {
|
|
for (NSInteger index = 0; index < insertAtIndex; index++) {
|
|
UIView *subview = ((UIView *)container).reactSubviews[index];
|
|
if ([_viewsToBeDeleted containsObject:subview]) {
|
|
insertAtIndex++;
|
|
}
|
|
}
|
|
}
|
|
|
|
[container insertReactSubview:destinationsToChildrenToAdd[reactIndex]
|
|
atIndex:insertAtIndex];
|
|
}
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(createView:(nonnull NSNumber *)reactTag
|
|
viewName:(NSString *)viewName
|
|
rootTag:(__unused NSNumber *)rootTag
|
|
props:(NSDictionary *)props)
|
|
{
|
|
RCTComponentData *componentData = _componentDataByName[viewName];
|
|
if (componentData == nil) {
|
|
RCTLogError(@"No component found for view with name \"%@\"", viewName);
|
|
}
|
|
|
|
// Register shadow view
|
|
RCTShadowView *shadowView = [componentData createShadowViewWithTag:reactTag];
|
|
if (shadowView) {
|
|
[componentData setProps:props forShadowView:shadowView];
|
|
_shadowViewRegistry[reactTag] = shadowView;
|
|
}
|
|
|
|
// Shadow view is the source of truth for background color this is a little
|
|
// bit counter-intuitive if people try to set background color when setting up
|
|
// the view, but it's the only way that makes sense given our threading model
|
|
UIColor *backgroundColor = shadowView.backgroundColor;
|
|
|
|
// Dispatch view creation directly to the main thread instead of adding to
|
|
// UIBlocks array. This way, it doesn't get deferred until after layout.
|
|
__weak RCTUIManager *weakManager = self;
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
RCTUIManager *uiManager = weakManager;
|
|
if (!uiManager) {
|
|
return;
|
|
}
|
|
UIView *view = [componentData createViewWithTag:reactTag];
|
|
if (view) {
|
|
[componentData setProps:props forView:view]; // Must be done before bgColor to prevent wrong default
|
|
if ([view respondsToSelector:@selector(setBackgroundColor:)]) {
|
|
((UIView *)view).backgroundColor = backgroundColor;
|
|
}
|
|
if ([view respondsToSelector:@selector(reactBridgeDidFinishTransaction)]) {
|
|
[uiManager->_bridgeTransactionListeners addObject:view];
|
|
}
|
|
uiManager->_viewRegistry[reactTag] = view;
|
|
|
|
#if RCT_DEV
|
|
[view _DEBUG_setReactShadowView:shadowView];
|
|
#endif
|
|
}
|
|
});
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(updateView:(nonnull NSNumber *)reactTag
|
|
viewName:(NSString *)viewName // not always reliable, use shadowView.viewName if available
|
|
props:(NSDictionary *)props)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
RCTComponentData *componentData = _componentDataByName[shadowView.viewName ?: viewName];
|
|
[componentData setProps:props forShadowView:shadowView];
|
|
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
UIView *view = viewRegistry[reactTag];
|
|
[componentData setProps:props forView:view];
|
|
}];
|
|
}
|
|
|
|
- (void)synchronouslyUpdateViewOnUIThread:(NSNumber *)reactTag
|
|
viewName:(NSString *)viewName
|
|
props:(NSDictionary *)props
|
|
{
|
|
RCTAssertMainQueue();
|
|
RCTComponentData *componentData = _componentDataByName[viewName];
|
|
UIView *view = _viewRegistry[reactTag];
|
|
[componentData setProps:props forView:view];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(focus:(nonnull NSNumber *)reactTag)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
UIView *newResponder = viewRegistry[reactTag];
|
|
[newResponder reactFocus];
|
|
}];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(blur:(nonnull NSNumber *)reactTag)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry){
|
|
UIView *currentResponder = viewRegistry[reactTag];
|
|
[currentResponder reactBlur];
|
|
}];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(findSubviewIn:(nonnull NSNumber *)reactTag atPoint:(CGPoint)point callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
UIView *view = viewRegistry[reactTag];
|
|
UIView *target = [view hitTest:point withEvent:nil];
|
|
CGRect frame = [target convertRect:target.bounds toView:view];
|
|
|
|
while (target.reactTag == nil && target.superview != nil) {
|
|
target = target.superview;
|
|
}
|
|
|
|
callback(@[
|
|
RCTNullIfNil(target.reactTag),
|
|
@(frame.origin.x),
|
|
@(frame.origin.y),
|
|
@(frame.size.width),
|
|
@(frame.size.height),
|
|
]);
|
|
}];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(dispatchViewManagerCommand:(nonnull NSNumber *)reactTag
|
|
commandID:(NSInteger)commandID
|
|
commandArgs:(NSArray<id> *)commandArgs)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
RCTComponentData *componentData = _componentDataByName[shadowView.viewName];
|
|
Class managerClass = componentData.managerClass;
|
|
RCTModuleData *moduleData = [_bridge moduleDataForName:RCTBridgeModuleNameForClass(managerClass)];
|
|
id<RCTBridgeMethod> method = moduleData.methods[commandID];
|
|
|
|
NSArray *args = [@[reactTag] arrayByAddingObjectsFromArray:commandArgs];
|
|
[method invokeWithBridge:_bridge module:componentData.manager arguments:args];
|
|
}
|
|
|
|
- (void)partialBatchDidFlush
|
|
{
|
|
if (self.unsafeFlushUIChangesBeforeBatchEnds) {
|
|
[self flushUIBlocks];
|
|
}
|
|
}
|
|
|
|
- (void)batchDidComplete
|
|
{
|
|
[self _layoutAndMount];
|
|
}
|
|
|
|
/**
|
|
* Sets up animations, computes layout, creates UI mounting blocks for computed layout,
|
|
* runs these blocks and all other already existing blocks.
|
|
*/
|
|
- (void)_layoutAndMount
|
|
{
|
|
// Gather blocks to be executed now that all view hierarchy manipulations have
|
|
// been completed (note that these may still take place before layout has finished)
|
|
for (RCTComponentData *componentData in _componentDataByName.allValues) {
|
|
RCTViewManagerUIBlock uiBlock = [componentData uiBlockToAmendWithShadowViewRegistry:_shadowViewRegistry];
|
|
[self addUIBlock:uiBlock];
|
|
}
|
|
|
|
[_observerCoordinator uiManagerWillPerformLayout:self];
|
|
|
|
// Perform layout
|
|
for (NSNumber *reactTag in _rootViewTags) {
|
|
RCTRootShadowView *rootView = (RCTRootShadowView *)_shadowViewRegistry[reactTag];
|
|
[self addUIBlock:[self uiBlockWithLayoutUpdateForRootView:rootView]];
|
|
}
|
|
|
|
[_observerCoordinator uiManagerDidPerformLayout:self];
|
|
|
|
// Properies propagation
|
|
for (NSNumber *reactTag in _rootViewTags) {
|
|
RCTRootShadowView *rootView = (RCTRootShadowView *)_shadowViewRegistry[reactTag];
|
|
[self _amendPendingUIBlocksWithStylePropagationUpdateForShadowView:rootView];
|
|
}
|
|
|
|
[self addUIBlock:^(RCTUIManager *uiManager, __unused NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
/**
|
|
* TODO(tadeu): Remove it once and for all
|
|
*/
|
|
for (id<RCTComponent> node in uiManager->_bridgeTransactionListeners) {
|
|
[node reactBridgeDidFinishTransaction];
|
|
}
|
|
}];
|
|
|
|
[_observerCoordinator uiManagerWillFlushUIBlocks:self];
|
|
|
|
[self flushUIBlocks];
|
|
}
|
|
|
|
- (void)flushUIBlocks
|
|
{
|
|
RCTAssertThread(RCTGetUIManagerQueue(),
|
|
@"flushUIBlocks can only be called from the shadow queue");
|
|
|
|
// First copy the previous blocks into a temporary variable, then reset the
|
|
// pending blocks to a new array. This guards against mutation while
|
|
// processing the pending blocks in another thread.
|
|
NSArray<RCTViewManagerUIBlock> *previousPendingUIBlocks = _pendingUIBlocks;
|
|
_pendingUIBlocks = [NSMutableArray new];
|
|
|
|
if (previousPendingUIBlocks.count) {
|
|
// Execute the previously queued UI blocks
|
|
RCTProfileBeginFlowEvent();
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
RCTProfileEndFlowEvent();
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[UIManager flushUIBlocks]", (@{
|
|
@"count": @(previousPendingUIBlocks.count),
|
|
}));
|
|
@try {
|
|
for (RCTViewManagerUIBlock block in previousPendingUIBlocks) {
|
|
block(self, self->_viewRegistry);
|
|
}
|
|
}
|
|
@catch (NSException *exception) {
|
|
RCTLogError(@"Exception thrown while executing UI block: %@", exception);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
- (void)setNeedsLayout
|
|
{
|
|
// If there is an active batch layout will happen when batch finished, so we will wait for that.
|
|
// Otherwise we immidiately trigger layout.
|
|
if (![_bridge isBatchActive] && ![_bridge isLoading]) {
|
|
[self _layoutAndMount];
|
|
}
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(measure:(nonnull NSNumber *)reactTag
|
|
callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
UIView *view = viewRegistry[reactTag];
|
|
if (!view) {
|
|
// this view was probably collapsed out
|
|
RCTLogWarn(@"measure cannot find view with tag #%@", reactTag);
|
|
callback(@[]);
|
|
return;
|
|
}
|
|
|
|
// If in a <Modal>, rootView will be the root of the modal container.
|
|
UIView *rootView = view;
|
|
while (rootView.superview && ![rootView isReactRootView]) {
|
|
rootView = rootView.superview;
|
|
}
|
|
|
|
// By convention, all coordinates, whether they be touch coordinates, or
|
|
// measurement coordinates are with respect to the root view.
|
|
CGRect frame = view.frame;
|
|
CGRect globalBounds = [view convertRect:view.bounds toView:rootView];
|
|
|
|
callback(@[
|
|
@(frame.origin.x),
|
|
@(frame.origin.y),
|
|
@(globalBounds.size.width),
|
|
@(globalBounds.size.height),
|
|
@(globalBounds.origin.x),
|
|
@(globalBounds.origin.y),
|
|
]);
|
|
}];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(measureInWindow:(nonnull NSNumber *)reactTag
|
|
callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
UIView *view = viewRegistry[reactTag];
|
|
if (!view) {
|
|
// this view was probably collapsed out
|
|
RCTLogWarn(@"measure cannot find view with tag #%@", reactTag);
|
|
callback(@[]);
|
|
return;
|
|
}
|
|
|
|
// Return frame coordinates in window
|
|
CGRect windowFrame = [view.window convertRect:view.frame fromView:view.superview];
|
|
callback(@[
|
|
@(windowFrame.origin.x),
|
|
@(windowFrame.origin.y),
|
|
@(windowFrame.size.width),
|
|
@(windowFrame.size.height),
|
|
]);
|
|
}];
|
|
}
|
|
|
|
/**
|
|
* Returs if the shadow view provided has the `ancestor` shadow view as
|
|
* an actual ancestor.
|
|
*/
|
|
RCT_EXPORT_METHOD(viewIsDescendantOf:(nonnull NSNumber *)reactTag
|
|
ancestor:(nonnull NSNumber *)ancestorReactTag
|
|
callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
RCTShadowView *ancestorShadowView = _shadowViewRegistry[ancestorReactTag];
|
|
if (!shadowView) {
|
|
return;
|
|
}
|
|
if (!ancestorShadowView) {
|
|
return;
|
|
}
|
|
BOOL viewIsAncestor = [shadowView viewIsDescendantOf:ancestorShadowView];
|
|
callback(@[@(viewIsAncestor)]);
|
|
}
|
|
|
|
static void RCTMeasureLayout(RCTShadowView *view,
|
|
RCTShadowView *ancestor,
|
|
RCTResponseSenderBlock callback)
|
|
{
|
|
if (!view) {
|
|
return;
|
|
}
|
|
if (!ancestor) {
|
|
return;
|
|
}
|
|
CGRect result = [view measureLayoutRelativeToAncestor:ancestor];
|
|
if (CGRectIsNull(result)) {
|
|
RCTLogError(@"view %@ (tag #%@) is not a descendant of %@ (tag #%@)",
|
|
view, view.reactTag, ancestor, ancestor.reactTag);
|
|
return;
|
|
}
|
|
CGFloat leftOffset = result.origin.x;
|
|
CGFloat topOffset = result.origin.y;
|
|
CGFloat width = result.size.width;
|
|
CGFloat height = result.size.height;
|
|
if (isnan(leftOffset) || isnan(topOffset) || isnan(width) || isnan(height)) {
|
|
RCTLogError(@"Attempted to measure layout but offset or dimensions were NaN");
|
|
return;
|
|
}
|
|
callback(@[@(leftOffset), @(topOffset), @(width), @(height)]);
|
|
}
|
|
|
|
/**
|
|
* Returns the computed recursive offset layout in a dictionary form. The
|
|
* returned values are relative to the `ancestor` shadow view. Returns `nil`, if
|
|
* the `ancestor` shadow view is not actually an `ancestor`. Does not touch
|
|
* anything on the main UI thread. Invokes supplied callback with (x, y, width,
|
|
* height).
|
|
*/
|
|
RCT_EXPORT_METHOD(measureLayout:(nonnull NSNumber *)reactTag
|
|
relativeTo:(nonnull NSNumber *)ancestorReactTag
|
|
errorCallback:(__unused RCTResponseSenderBlock)errorCallback
|
|
callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
RCTShadowView *ancestorShadowView = _shadowViewRegistry[ancestorReactTag];
|
|
RCTMeasureLayout(shadowView, ancestorShadowView, callback);
|
|
}
|
|
|
|
/**
|
|
* Returns the computed recursive offset layout in a dictionary form. The
|
|
* returned values are relative to the `ancestor` shadow view. Returns `nil`, if
|
|
* the `ancestor` shadow view is not actually an `ancestor`. Does not touch
|
|
* anything on the main UI thread. Invokes supplied callback with (x, y, width,
|
|
* height).
|
|
*/
|
|
RCT_EXPORT_METHOD(measureLayoutRelativeToParent:(nonnull NSNumber *)reactTag
|
|
errorCallback:(__unused RCTResponseSenderBlock)errorCallback
|
|
callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
RCTMeasureLayout(shadowView, shadowView.reactSuperview, callback);
|
|
}
|
|
|
|
/**
|
|
* Returns an array of computed offset layouts in a dictionary form. The layouts are of any React subviews
|
|
* that are immediate descendants to the parent view found within a specified rect. The dictionary result
|
|
* contains left, top, width, height and an index. The index specifies the position among the other subviews.
|
|
* Only layouts for views that are within the rect passed in are returned. Invokes the error callback if the
|
|
* passed in parent view does not exist. Invokes the supplied callback with the array of computed layouts.
|
|
*/
|
|
RCT_EXPORT_METHOD(measureViewsInRect:(CGRect)rect
|
|
parentView:(nonnull NSNumber *)reactTag
|
|
errorCallback:(__unused RCTResponseSenderBlock)errorCallback
|
|
callback:(RCTResponseSenderBlock)callback)
|
|
{
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
if (!shadowView) {
|
|
RCTLogError(@"Attempting to measure view that does not exist (tag #%@)", reactTag);
|
|
return;
|
|
}
|
|
NSArray<RCTShadowView *> *childShadowViews = [shadowView reactSubviews];
|
|
NSMutableArray<NSDictionary *> *results =
|
|
[[NSMutableArray alloc] initWithCapacity:childShadowViews.count];
|
|
|
|
[childShadowViews enumerateObjectsUsingBlock:
|
|
^(RCTShadowView *childShadowView, NSUInteger idx, __unused BOOL *stop) {
|
|
CGRect childLayout = [childShadowView measureLayoutRelativeToAncestor:shadowView];
|
|
if (CGRectIsNull(childLayout)) {
|
|
RCTLogError(@"View %@ (tag #%@) is not a descendant of %@ (tag #%@)",
|
|
childShadowView, childShadowView.reactTag, shadowView, shadowView.reactTag);
|
|
return;
|
|
}
|
|
|
|
CGFloat leftOffset = childLayout.origin.x;
|
|
CGFloat topOffset = childLayout.origin.y;
|
|
CGFloat width = childLayout.size.width;
|
|
CGFloat height = childLayout.size.height;
|
|
|
|
if (leftOffset <= rect.origin.x + rect.size.width &&
|
|
leftOffset + width >= rect.origin.x &&
|
|
topOffset <= rect.origin.y + rect.size.height &&
|
|
topOffset + height >= rect.origin.y) {
|
|
|
|
// This view is within the layout rect
|
|
NSDictionary *result = @{@"index": @(idx),
|
|
@"left": @(leftOffset),
|
|
@"top": @(topOffset),
|
|
@"width": @(width),
|
|
@"height": @(height)};
|
|
|
|
[results addObject:result];
|
|
}
|
|
}];
|
|
callback(@[results]);
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(takeSnapshot:(id /* NSString or NSNumber */)target
|
|
withOptions:(NSDictionary *)options
|
|
resolve:(RCTPromiseResolveBlock)resolve
|
|
reject:(RCTPromiseRejectBlock)reject)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
|
|
// Get view
|
|
UIView *view;
|
|
if (target == nil || [target isEqual:@"window"]) {
|
|
view = RCTKeyWindow();
|
|
} else if ([target isKindOfClass:[NSNumber class]]) {
|
|
view = viewRegistry[target];
|
|
if (!view) {
|
|
RCTLogError(@"No view found with reactTag: %@", target);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Get options
|
|
CGSize size = [RCTConvert CGSize:options];
|
|
NSString *format = [RCTConvert NSString:options[@"format"] ?: @"png"];
|
|
|
|
// Capture image
|
|
if (size.width < 0.1 || size.height < 0.1) {
|
|
size = view.bounds.size;
|
|
}
|
|
UIGraphicsBeginImageContextWithOptions(size, NO, 0);
|
|
BOOL success = [view drawViewHierarchyInRect:(CGRect){CGPointZero, size} afterScreenUpdates:YES];
|
|
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
|
|
UIGraphicsEndImageContext();
|
|
|
|
if (!success || !image) {
|
|
reject(RCTErrorUnspecified, @"Failed to capture view snapshot.", nil);
|
|
return;
|
|
}
|
|
|
|
// Convert image to data (on a background thread)
|
|
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
|
|
|
NSData *data;
|
|
if ([format isEqualToString:@"png"]) {
|
|
data = UIImagePNGRepresentation(image);
|
|
} else if ([format isEqualToString:@"jpeg"]) {
|
|
CGFloat quality = [RCTConvert CGFloat:options[@"quality"] ?: @1];
|
|
data = UIImageJPEGRepresentation(image, quality);
|
|
} else {
|
|
RCTLogError(@"Unsupported image format: %@", format);
|
|
return;
|
|
}
|
|
|
|
// Save to a temp file
|
|
NSError *error = nil;
|
|
NSString *tempFilePath = RCTTempFilePath(format, &error);
|
|
if (tempFilePath) {
|
|
if ([data writeToFile:tempFilePath options:(NSDataWritingOptions)0 error:&error]) {
|
|
resolve(tempFilePath);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// If we reached here, something went wrong
|
|
reject(RCTErrorUnspecified, error.localizedDescription, error);
|
|
});
|
|
}];
|
|
}
|
|
|
|
/**
|
|
* JS sets what *it* considers to be the responder. Later, scroll views can use
|
|
* this in order to determine if scrolling is appropriate.
|
|
*/
|
|
RCT_EXPORT_METHOD(setJSResponder:(nonnull NSNumber *)reactTag
|
|
blockNativeResponder:(__unused BOOL)blockNativeResponder)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
_jsResponder = viewRegistry[reactTag];
|
|
if (!_jsResponder) {
|
|
RCTLogError(@"Invalid view set to be the JS responder - tag %zd", reactTag);
|
|
}
|
|
}];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(clearJSResponder)
|
|
{
|
|
[self addUIBlock:^(__unused RCTUIManager *uiManager, __unused NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
_jsResponder = nil;
|
|
}];
|
|
}
|
|
|
|
- (NSDictionary<NSString *, id> *)constantsToExport
|
|
{
|
|
NSMutableDictionary<NSString *, NSDictionary *> *constants = [NSMutableDictionary new];
|
|
NSMutableDictionary<NSString *, NSDictionary *> *directEvents = [NSMutableDictionary new];
|
|
NSMutableDictionary<NSString *, NSDictionary *> *bubblingEvents = [NSMutableDictionary new];
|
|
|
|
[_componentDataByName enumerateKeysAndObjectsUsingBlock:^(NSString *name, RCTComponentData *componentData, __unused BOOL *stop) {
|
|
NSMutableDictionary<NSString *, id> *moduleConstants = [NSMutableDictionary new];
|
|
|
|
// Add manager class
|
|
moduleConstants[@"Manager"] = RCTBridgeModuleNameForClass(componentData.managerClass);
|
|
|
|
// Add native props
|
|
NSDictionary<NSString *, id> *viewConfig = [componentData viewConfig];
|
|
moduleConstants[@"NativeProps"] = viewConfig[@"propTypes"];
|
|
|
|
// Add direct events
|
|
for (NSString *eventName in viewConfig[@"directEvents"]) {
|
|
if (!directEvents[eventName]) {
|
|
directEvents[eventName] = @{
|
|
@"registrationName": [eventName stringByReplacingCharactersInRange:(NSRange){0, 3} withString:@"on"],
|
|
};
|
|
}
|
|
if (RCT_DEBUG && bubblingEvents[eventName]) {
|
|
RCTLogError(@"Component '%@' re-registered bubbling event '%@' as a "
|
|
"direct event", componentData.name, eventName);
|
|
}
|
|
}
|
|
|
|
// Add bubbling events
|
|
for (NSString *eventName in viewConfig[@"bubblingEvents"]) {
|
|
if (!bubblingEvents[eventName]) {
|
|
NSString *bubbleName = [eventName stringByReplacingCharactersInRange:(NSRange){0, 3} withString:@"on"];
|
|
bubblingEvents[eventName] = @{
|
|
@"phasedRegistrationNames": @{
|
|
@"bubbled": bubbleName,
|
|
@"captured": [bubbleName stringByAppendingString:@"Capture"],
|
|
}
|
|
};
|
|
}
|
|
if (RCT_DEBUG && directEvents[eventName]) {
|
|
RCTLogError(@"Component '%@' re-registered direct event '%@' as a "
|
|
"bubbling event", componentData.name, eventName);
|
|
}
|
|
}
|
|
|
|
RCTAssert(!constants[name], @"UIManager already has constants for %@", componentData.name);
|
|
constants[name] = moduleConstants;
|
|
}];
|
|
|
|
constants[@"customBubblingEventTypes"] = bubblingEvents;
|
|
constants[@"customDirectEventTypes"] = directEvents;
|
|
|
|
return constants;
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(configureNextLayoutAnimation:(NSDictionary *)config
|
|
withCallback:(RCTResponseSenderBlock)callback
|
|
errorCallback:(__unused RCTResponseSenderBlock)errorCallback)
|
|
{
|
|
RCTLayoutAnimation *currentAnimation = _layoutAnimation;
|
|
|
|
if (currentAnimation && ![config isEqualToDictionary:currentAnimation.config]) {
|
|
RCTLogWarn(@"Warning: Overriding previous layout animation with new one before the first began:\n%@ -> %@.", currentAnimation.config, config);
|
|
}
|
|
|
|
RCTLayoutAnimation *nextLayoutAnimation = [[RCTLayoutAnimation alloc] initWithDictionary:config
|
|
callback:callback];
|
|
|
|
// Set up next layout animation
|
|
[self addUIBlock:^(RCTUIManager *uiManager, __unused NSDictionary<NSNumber *, UIView *> *viewRegistry) {
|
|
uiManager->_layoutAnimation = nextLayoutAnimation;
|
|
}];
|
|
}
|
|
|
|
- (void)rootViewForReactTag:(NSNumber *)reactTag withCompletion:(void (^)(UIView *view))completion
|
|
{
|
|
RCTAssertMainQueue();
|
|
RCTAssert(completion != nil, @"Attempted to resolve rootView for tag %@ without a completion block", reactTag);
|
|
|
|
if (reactTag == nil) {
|
|
completion(nil);
|
|
return;
|
|
}
|
|
|
|
dispatch_async(RCTGetUIManagerQueue(), ^{
|
|
NSNumber *rootTag = [self _rootTagForReactTag:reactTag];
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
UIView *rootView = nil;
|
|
if (rootTag != nil) {
|
|
rootView = [self viewForReactTag:rootTag];
|
|
}
|
|
completion(rootView);
|
|
});
|
|
});
|
|
}
|
|
|
|
- (NSNumber *)_rootTagForReactTag:(NSNumber *)reactTag
|
|
{
|
|
RCTAssert(!RCTIsMainQueue(), @"Should be called on shadow queue");
|
|
|
|
if (reactTag == nil) {
|
|
return nil;
|
|
}
|
|
|
|
if (RCTIsReactRootView(reactTag)) {
|
|
return reactTag;
|
|
}
|
|
|
|
NSNumber *rootTag = nil;
|
|
RCTShadowView *shadowView = _shadowViewRegistry[reactTag];
|
|
while (shadowView) {
|
|
RCTShadowView *parent = [shadowView reactSuperview];
|
|
if (!parent && RCTIsReactRootView(shadowView.reactTag)) {
|
|
rootTag = shadowView.reactTag;
|
|
break;
|
|
}
|
|
shadowView = parent;
|
|
}
|
|
|
|
return rootTag;
|
|
}
|
|
|
|
static UIView *_jsResponder;
|
|
|
|
+ (UIView *)JSResponder
|
|
{
|
|
return _jsResponder;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation RCTUIManager (Deprecated)
|
|
|
|
- (void)registerRootView:(UIView *)rootView withSizeFlexibility:(__unused RCTRootViewSizeFlexibility)sizeFlexibility
|
|
{
|
|
RCTLogWarn(@"Calling of `[-RCTUIManager registerRootView:withSizeFlexibility:]` which is deprecated.");
|
|
[self registerRootView:rootView];
|
|
}
|
|
|
|
- (void)setFrame:(CGRect)frame forView:(UIView *)view
|
|
{
|
|
RCTLogWarn(@"Calling of `[-RCTUIManager setFrame:forView:]` which is deprecated.");
|
|
[self setSize:frame.size forView:view];
|
|
}
|
|
|
|
RCT_EXPORT_METHOD(getContentSizeMultiplier:(nonnull RCTResponseSenderBlock)callback)
|
|
{
|
|
RCTLogWarn(@"`getContentSizeMultiplier` is deprecated. Instead, use `PixelRatio.getFontScale()` and listen to the `didUpdateDimensions` event.");
|
|
callback(@[@(_bridge.accessibilityManager.multiplier)]);
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation RCTBridge (RCTUIManager)
|
|
|
|
- (RCTUIManager *)uiManager
|
|
{
|
|
return [self moduleForClass:[RCTUIManager class]];
|
|
}
|
|
|
|
@end
|