63 lines
1.8 KiB
Mathematica
63 lines
1.8 KiB
Mathematica
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#import "REATransitionManager.h"
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#import <React/RCTUIManager.h>
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#import <React/RCTUIManagerObserverCoordinator.h>
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#import "REATransition.h"
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@interface REATransitionManager () <RCTUIManagerObserver>
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@end
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@implementation REATransitionManager {
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REATransition *_pendingTransition;
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UIView *_pendingTransitionRoot;
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RCTUIManager *_uiManager;
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}
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- (instancetype)initWithUIManager:(id)uiManager
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{
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if (self = [super init]) {
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_uiManager = uiManager;
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}
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return self;
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}
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- (void)beginTransition:(REATransition *)transition forView:(UIView *)view
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{
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RCTAssertMainQueue();
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if (_pendingTransition != nil) {
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return;
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}
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_pendingTransition = transition;
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_pendingTransitionRoot = view;
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[transition startCaptureInRoot:view];
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}
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- (void)uiManagerWillPerformMounting:(RCTUIManager *)manager
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{
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[manager addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *,UIView *> *viewRegistry) {
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[_pendingTransition playInRoot:_pendingTransitionRoot];
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_pendingTransitionRoot = nil;
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_pendingTransition = nil;
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}];
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}
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- (void)animateNextTransitionInRoot:(NSNumber *)reactTag withConfig:(NSDictionary *)config
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{
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[_uiManager.observerCoordinator addObserver:self];
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[_uiManager prependUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *,UIView *> *viewRegistry) {
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UIView *view = viewRegistry[reactTag];
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NSArray *transitionConfigs = [RCTConvert NSArray:config[@"transitions"]];
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for (id transitionConfig in transitionConfigs) {
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REATransition *transition = [REATransition inflate:transitionConfig];
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[self beginTransition:transition forView:view];
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}
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}];
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__weak id weakSelf = self;
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[_uiManager addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *,UIView *> *viewRegistry) {
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[uiManager.observerCoordinator removeObserver:weakSelf];
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}];
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}
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@end
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