amis-rpc-design/node_modules/react-native-screens/ios/RNSScreenStackHeaderConfig.mm
2023-10-07 19:42:30 +08:00

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#ifdef RCT_NEW_ARCH_ENABLED
#import <React/RCTConversions.h>
#import <React/RCTFabricComponentsPlugins.h>
#import <React/RCTImageComponentView.h>
#import <React/UIView+React.h>
#import <react/renderer/components/image/ImageProps.h>
#import <react/renderer/components/rnscreens/ComponentDescriptors.h>
#import <react/renderer/components/rnscreens/EventEmitters.h>
#import <react/renderer/components/rnscreens/Props.h>
#import <react/renderer/components/rnscreens/RCTComponentViewHelpers.h>
#import "RCTImageComponentView+RNSScreenStackHeaderConfig.h"
#else
#import <React/RCTImageView.h>
#import <React/RCTShadowView.h>
#import <React/RCTUIManager.h>
#import <React/RCTUIManagerUtils.h>
#endif
#import <React/RCTBridge.h>
#import <React/RCTFont.h>
#import <React/RCTImageLoader.h>
#import <React/RCTImageSource.h>
#import "RNSScreen.h"
#import "RNSScreenStackHeaderConfig.h"
#import "RNSSearchBar.h"
#import "RNSUIBarButtonItem.h"
#ifdef RCT_NEW_ARCH_ENABLED
namespace react = facebook::react;
#endif // RCT_NEW_ARCH_ENABLED
#ifndef RCT_NEW_ARCH_ENABLED
// Some RN private method hacking below. Couldn't figure out better way to access image data
// of a given RCTImageView. See more comments in the code section processing SubviewTypeBackButton
@interface RCTImageView (Private)
- (UIImage *)image;
@end
#endif // !RCT_NEW_ARCH_ENABLED
@interface RCTImageLoader (Private)
- (id<RCTImageCache>)imageCache;
@end
@implementation NSString (RNSStringUtil)
+ (BOOL)RNSisBlank:(NSString *)string
{
if (string == nil) {
return YES;
}
return [[string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] length] == 0;
}
@end
@implementation RNSScreenStackHeaderConfig {
NSMutableArray<RNSScreenStackHeaderSubview *> *_reactSubviews;
#ifdef RCT_NEW_ARCH_ENABLED
BOOL _initialPropsSet;
#else
#endif
}
#ifdef RCT_NEW_ARCH_ENABLED
- (instancetype)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame]) {
static const auto defaultProps = std::make_shared<const react::RNSScreenStackHeaderConfigProps>();
_props = defaultProps;
_show = YES;
_translucent = NO;
[self initProps];
}
return self;
}
#else
- (instancetype)init
{
if (self = [super init]) {
_translucent = YES;
[self initProps];
}
return self;
}
#endif
- (void)initProps
{
self.hidden = YES;
_reactSubviews = [NSMutableArray new];
_backTitleVisible = YES;
}
- (UIView *)reactSuperview
{
return _screenView;
}
- (NSArray<UIView *> *)reactSubviews
{
return _reactSubviews;
}
- (void)removeFromSuperview
{
[super removeFromSuperview];
_screenView = nil;
}
// this method is never invoked by the system since this view
// is not added to native view hierarchy so we can apply our logic
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
for (RNSScreenStackHeaderSubview *subview in _reactSubviews) {
if (subview.type == RNSScreenStackHeaderSubviewTypeLeft || subview.type == RNSScreenStackHeaderSubviewTypeRight) {
// we wrap the headerLeft/Right component in a UIBarButtonItem
// so we need to use the only subview of it to retrieve the correct view
UIView *headerComponent = subview.subviews.firstObject;
// we convert the point to RNSScreenStackView since it always contains the header inside it
CGPoint convertedPoint = [_screenView.reactSuperview convertPoint:point toView:headerComponent];
UIView *hitTestResult = [headerComponent hitTest:convertedPoint withEvent:event];
if (hitTestResult != nil) {
return hitTestResult;
}
}
}
return nil;
}
- (void)updateViewControllerIfNeeded
{
UIViewController *vc = _screenView.controller;
UINavigationController *nav = (UINavigationController *)vc.parentViewController;
UIViewController *nextVC = nav.visibleViewController;
if (nav.transitionCoordinator != nil) {
// if navigator is performing transition instead of allowing to update of `visibleConttroller`
// we look at `topController`. This is because during transitiong the `visibleController` won't
// point to the controller that is going to be revealed after transition. This check fixes the
// problem when config gets updated while the transition is ongoing.
nextVC = nav.topViewController;
}
// we want updates sent to the VC below modal too since it is also visible
BOOL isPresentingVC = nextVC != nil && vc.presentedViewController == nextVC;
BOOL isInFullScreenModal = nav == nil && _screenView.stackPresentation == RNSScreenStackPresentationFullScreenModal;
// if nav is nil, it means we can be in a fullScreen modal, so there is no nextVC, but we still want to update
if (vc != nil && (nextVC == vc || isInFullScreenModal || isPresentingVC)) {
[RNSScreenStackHeaderConfig updateViewController:self.screenView.controller withConfig:self animated:YES];
}
}
- (void)layoutNavigationControllerView
{
// We need to layout navigation controller view after translucent prop changes, because otherwise
// frame of RNSScreen will not be changed and screen content will remain the same size.
// For more details look at https://github.com/software-mansion/react-native-screens/issues/1158
UIViewController *vc = _screenView.controller;
UINavigationController *navctr = vc.navigationController;
[navctr.view setNeedsLayout];
}
+ (void)setAnimatedConfig:(UIViewController *)vc withConfig:(RNSScreenStackHeaderConfig *)config
{
UINavigationBar *navbar = ((UINavigationController *)vc.parentViewController).navigationBar;
// It is workaround for loading custom back icon when transitioning from a screen without header to the screen which
// has one. This action fails when navigating to the screen with header for the second time and loads default back
// button. It looks like changing the tint color of navbar triggers an update of the items belonging to it and it
// seems to load the custom back image so we change the tint color's alpha by a very small amount and then set it to
// the one it should have.
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_14_0) && \
__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0
// it brakes the behavior of `headerRight` in iOS 14, where the bug desribed above seems to be fixed, so we do nothing
// in iOS 14
if (@available(iOS 14.0, *)) {
} else
#endif
{
[navbar setTintColor:[config.color colorWithAlphaComponent:CGColorGetAlpha(config.color.CGColor) - 0.01]];
}
[navbar setTintColor:config.color];
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
if (@available(iOS 13.0, *)) {
// font customized on the navigation item level, so nothing to do here
} else
#endif
{
BOOL hideShadow = config.hideShadow;
if (config.backgroundColor && CGColorGetAlpha(config.backgroundColor.CGColor) == 0.) {
[navbar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
[navbar setBarTintColor:[UIColor clearColor]];
hideShadow = YES;
} else {
[navbar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];
[navbar setBarTintColor:config.backgroundColor];
}
[navbar setTranslucent:config.translucent];
[navbar setValue:@(hideShadow ? YES : NO) forKey:@"hidesShadow"];
if (config.titleFontFamily || config.titleFontSize || config.titleFontWeight || config.titleColor) {
NSMutableDictionary *attrs = [NSMutableDictionary new];
if (config.titleColor) {
attrs[NSForegroundColorAttributeName] = config.titleColor;
}
NSString *family = config.titleFontFamily ?: nil;
NSNumber *size = config.titleFontSize ?: @17;
NSString *weight = config.titleFontWeight ?: nil;
if (family || weight) {
attrs[NSFontAttributeName] = [RCTFont updateFont:nil
withFamily:family
size:size
weight:weight
style:nil
variant:nil
scaleMultiplier:1.0];
} else {
attrs[NSFontAttributeName] = [UIFont boldSystemFontOfSize:[size floatValue]];
}
[navbar setTitleTextAttributes:attrs];
}
#if !TARGET_OS_TV
if (@available(iOS 11.0, *)) {
if (config.largeTitle &&
(config.largeTitleFontFamily || config.largeTitleFontSize || config.largeTitleFontWeight ||
config.largeTitleColor || config.titleColor)) {
NSMutableDictionary *largeAttrs = [NSMutableDictionary new];
if (config.largeTitleColor || config.titleColor) {
largeAttrs[NSForegroundColorAttributeName] =
config.largeTitleColor ? config.largeTitleColor : config.titleColor;
}
NSString *largeFamily = config.largeTitleFontFamily ?: nil;
NSNumber *largeSize = config.largeTitleFontSize ?: @34;
NSString *largeWeight = config.largeTitleFontWeight ?: nil;
if (largeFamily || largeWeight) {
largeAttrs[NSFontAttributeName] = [RCTFont updateFont:nil
withFamily:largeFamily
size:largeSize
weight:largeWeight
style:nil
variant:nil
scaleMultiplier:1.0];
} else {
largeAttrs[NSFontAttributeName] = [UIFont systemFontOfSize:[largeSize floatValue] weight:UIFontWeightBold];
}
[navbar setLargeTitleTextAttributes:largeAttrs];
}
}
#endif
}
}
+ (void)setTitleAttibutes:(NSDictionary *)attrs forButton:(UIBarButtonItem *)button
{
[button setTitleTextAttributes:attrs forState:UIControlStateNormal];
[button setTitleTextAttributes:attrs forState:UIControlStateHighlighted];
[button setTitleTextAttributes:attrs forState:UIControlStateDisabled];
[button setTitleTextAttributes:attrs forState:UIControlStateSelected];
[button setTitleTextAttributes:attrs forState:UIControlStateFocused];
}
+ (UIImage *)loadBackButtonImageInViewController:(UIViewController *)vc withConfig:(RNSScreenStackHeaderConfig *)config
{
BOOL hasBackButtonImage = NO;
for (RNSScreenStackHeaderSubview *subview in config.reactSubviews) {
if (subview.type == RNSScreenStackHeaderSubviewTypeBackButton && subview.subviews.count > 0) {
hasBackButtonImage = YES;
#ifdef RCT_NEW_ARCH_ENABLED
RCTImageComponentView *imageView = subview.subviews[0];
#else
RCTImageView *imageView = subview.subviews[0];
#endif // RCT_NEW_ARCH_ENABLED
if (imageView.image == nil) {
// This is yet another workaround for loading custom back icon. It turns out that under
// certain circumstances image attribute can be null despite the app running in production
// mode (when images are loaded from the filesystem). This can happen because image attribute
// is reset when image view is detached from window, and also in some cases initialization
// does not populate the frame of the image view before the loading start. The latter result
// in the image attribute not being updated. We manually set frame to the size of an image
// in order to trigger proper reload that'd update the image attribute.
RCTImageSource *imageSource = [RNSScreenStackHeaderConfig imageSourceFromImageView:imageView];
[imageView reactSetFrame:CGRectMake(
imageView.frame.origin.x,
imageView.frame.origin.y,
imageSource.size.width,
imageSource.size.height)];
}
UIImage *image = imageView.image;
// IMPORTANT!!!
// image can be nil in DEV MODE ONLY
//
// It is so, because in dev mode images are loaded over HTTP from the packager. In that case
// we first check if image is already loaded in cache and if it is, we take it from cache and
// display immediately. Otherwise we wait for the transition to finish and retry updating
// header config.
// Unfortunately due to some problems in UIKit we cannot update the image while the screen
// transition is ongoing. This results in the settings being reset after the transition is done
// to the state from before the transition.
if (image == nil) {
// in DEV MODE we try to load from cache (we use private API for that as it is not exposed
// publically in headers).
RCTImageSource *imageSource = [RNSScreenStackHeaderConfig imageSourceFromImageView:imageView];
RCTImageLoader *imageLoader = [subview.bridge moduleForClass:[RCTImageLoader class]];
image = [imageLoader.imageCache
imageForUrl:imageSource.request.URL.absoluteString
size:imageSource.size
scale:imageSource.scale
#ifdef RCT_NEW_ARCH_ENABLED
resizeMode:resizeModeFromCppEquiv(
std::static_pointer_cast<const react::ImageProps>(imageView.props)->resizeMode)];
#else
resizeMode:imageView.resizeMode];
#endif // RCT_NEW_ARCH_ENABLED
}
if (image == nil) {
// This will be triggered if the image is not in the cache yet. What we do is we wait until
// the end of transition and run header config updates again. We could potentially wait for
// image on load to trigger, but that would require even more private method hacking.
if (vc.transitionCoordinator) {
[vc.transitionCoordinator
animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
// nothing, we just want completion
}
completion:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
// in order for new back button image to be loaded we need to trigger another change
// in back button props that'd make UIKit redraw the button. Otherwise the changes are
// not reflected. Here we change back button visibility which is then immediately restored
#if !TARGET_OS_TV
vc.navigationItem.hidesBackButton = YES;
#endif
[config updateViewControllerIfNeeded];
}];
}
return [UIImage new];
} else {
return image;
}
}
}
return nil;
}
+ (void)willShowViewController:(UIViewController *)vc
animated:(BOOL)animated
withConfig:(RNSScreenStackHeaderConfig *)config
{
[self updateViewController:vc withConfig:config animated:animated];
}
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
+ (UINavigationBarAppearance *)buildAppearance:(UIViewController *)vc
withConfig:(RNSScreenStackHeaderConfig *)config API_AVAILABLE(ios(13.0))
{
UINavigationBarAppearance *appearance = [UINavigationBarAppearance new];
if (config.backgroundColor && CGColorGetAlpha(config.backgroundColor.CGColor) == 0.) {
// transparent background color
[appearance configureWithTransparentBackground];
} else {
[appearance configureWithOpaqueBackground];
}
// set background color if specified
if (config.backgroundColor) {
appearance.backgroundColor = config.backgroundColor;
}
// TODO: implement blurEffect on Fabric
#ifdef RCT_NEW_ARCH_ENABLED
#else
if (config.blurEffect) {
appearance.backgroundEffect = [UIBlurEffect effectWithStyle:config.blurEffect];
}
#endif
if (config.hideShadow) {
appearance.shadowColor = nil;
}
if (config.titleFontFamily || config.titleFontSize || config.titleFontWeight || config.titleColor) {
NSMutableDictionary *attrs = [NSMutableDictionary new];
if (config.titleColor) {
attrs[NSForegroundColorAttributeName] = config.titleColor;
}
NSString *family = config.titleFontFamily ?: nil;
NSNumber *size = config.titleFontSize ?: @17;
NSString *weight = config.titleFontWeight ?: nil;
if (family || weight) {
attrs[NSFontAttributeName] = [RCTFont updateFont:nil
withFamily:config.titleFontFamily
size:size
weight:weight
style:nil
variant:nil
scaleMultiplier:1.0];
} else {
attrs[NSFontAttributeName] = [UIFont boldSystemFontOfSize:[size floatValue]];
}
appearance.titleTextAttributes = attrs;
}
if (config.largeTitleFontFamily || config.largeTitleFontSize || config.largeTitleFontWeight ||
config.largeTitleColor || config.titleColor) {
NSMutableDictionary *largeAttrs = [NSMutableDictionary new];
if (config.largeTitleColor || config.titleColor) {
largeAttrs[NSForegroundColorAttributeName] = config.largeTitleColor ? config.largeTitleColor : config.titleColor;
}
NSString *largeFamily = config.largeTitleFontFamily ?: nil;
NSNumber *largeSize = config.largeTitleFontSize ?: @34;
NSString *largeWeight = config.largeTitleFontWeight ?: nil;
if (largeFamily || largeWeight) {
largeAttrs[NSFontAttributeName] = [RCTFont updateFont:nil
withFamily:largeFamily
size:largeSize
weight:largeWeight
style:nil
variant:nil
scaleMultiplier:1.0];
} else {
largeAttrs[NSFontAttributeName] = [UIFont systemFontOfSize:[largeSize floatValue] weight:UIFontWeightBold];
}
appearance.largeTitleTextAttributes = largeAttrs;
}
UIImage *backButtonImage = [self loadBackButtonImageInViewController:vc withConfig:config];
if (backButtonImage) {
[appearance setBackIndicatorImage:backButtonImage transitionMaskImage:backButtonImage];
} else if (appearance.backIndicatorImage) {
[appearance setBackIndicatorImage:nil transitionMaskImage:nil];
}
return appearance;
}
#endif // Check for >= iOS 13.0
+ (void)updateViewController:(UIViewController *)vc
withConfig:(RNSScreenStackHeaderConfig *)config
animated:(BOOL)animated
{
UINavigationItem *navitem = vc.navigationItem;
UINavigationController *navctr = (UINavigationController *)vc.parentViewController;
NSUInteger currentIndex = [navctr.viewControllers indexOfObject:vc];
UINavigationItem *prevItem =
currentIndex > 0 ? [navctr.viewControllers objectAtIndex:currentIndex - 1].navigationItem : nil;
BOOL wasHidden = navctr.navigationBarHidden;
#ifdef RCT_NEW_ARCH_ENABLED
BOOL shouldHide = config == nil || !config.show;
#else
BOOL shouldHide = config == nil || config.hide;
#endif
if (!shouldHide && !config.translucent) {
// when nav bar is not translucent we chage edgesForExtendedLayout to avoid system laying out
// the screen underneath navigation controllers
vc.edgesForExtendedLayout = UIRectEdgeNone;
} else {
// system default is UIRectEdgeAll
vc.edgesForExtendedLayout = UIRectEdgeAll;
}
[navctr setNavigationBarHidden:shouldHide animated:animated];
if ((config.direction == UISemanticContentAttributeForceLeftToRight ||
config.direction == UISemanticContentAttributeForceRightToLeft) &&
// iOS 12 cancels swipe gesture when direction is changed. See #1091
navctr.view.semanticContentAttribute != config.direction) {
navctr.view.semanticContentAttribute = config.direction;
navctr.navigationBar.semanticContentAttribute = config.direction;
}
if (shouldHide) {
navitem.title = config.title;
return;
}
#if !TARGET_OS_TV
const auto isBackTitleBlank = [NSString RNSisBlank:config.backTitle] == YES;
NSString *resolvedBackTitle = isBackTitleBlank ? prevItem.title : config.backTitle;
RNSUIBarButtonItem *backBarButtonItem = [[RNSUIBarButtonItem alloc] initWithTitle:resolvedBackTitle
style:UIBarButtonItemStylePlain
target:nil
action:nil];
[backBarButtonItem setMenuHidden:config.disableBackButtonMenu];
if (config.isBackTitleVisible) {
if (config.backTitleFontFamily || config.backTitleFontSize) {
NSMutableDictionary *attrs = [NSMutableDictionary new];
NSNumber *size = config.backTitleFontSize ?: @17;
if (config.backTitleFontFamily) {
attrs[NSFontAttributeName] = [RCTFont updateFont:nil
withFamily:config.backTitleFontFamily
size:size
weight:nil
style:nil
variant:nil
scaleMultiplier:1.0];
} else {
attrs[NSFontAttributeName] = [UIFont boldSystemFontOfSize:[size floatValue]];
}
[self setTitleAttibutes:attrs forButton:backBarButtonItem];
}
} else {
// back button title should be not visible next to back button,
// but it should still appear in back menu (if one is enabled)
// When backBarButtonItem's title is null, back menu will use value
// of backButtonTitle
[backBarButtonItem setTitle:nil];
prevItem.backButtonTitle = resolvedBackTitle;
}
prevItem.backBarButtonItem = backBarButtonItem;
if (@available(iOS 11.0, *)) {
if (config.largeTitle) {
navctr.navigationBar.prefersLargeTitles = YES;
}
navitem.largeTitleDisplayMode =
config.largeTitle ? UINavigationItemLargeTitleDisplayModeAlways : UINavigationItemLargeTitleDisplayModeNever;
}
#endif
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
if (@available(iOS 13.0, tvOS 13.0, *)) {
UINavigationBarAppearance *appearance = [self buildAppearance:vc withConfig:config];
navitem.standardAppearance = appearance;
navitem.compactAppearance = appearance;
UINavigationBarAppearance *scrollEdgeAppearance =
[[UINavigationBarAppearance alloc] initWithBarAppearance:appearance];
if (config.largeTitleBackgroundColor != nil) {
scrollEdgeAppearance.backgroundColor = config.largeTitleBackgroundColor;
}
if (config.largeTitleHideShadow) {
scrollEdgeAppearance.shadowColor = nil;
}
navitem.scrollEdgeAppearance = scrollEdgeAppearance;
} else
#endif
{
#if !TARGET_OS_TV
// updating backIndicatotImage does not work when called during transition. On iOS pre 13 we need
// to update it before the navigation starts.
UIImage *backButtonImage = [self loadBackButtonImageInViewController:vc withConfig:config];
if (backButtonImage) {
navctr.navigationBar.backIndicatorImage = backButtonImage;
navctr.navigationBar.backIndicatorTransitionMaskImage = backButtonImage;
} else if (navctr.navigationBar.backIndicatorImage) {
navctr.navigationBar.backIndicatorImage = nil;
navctr.navigationBar.backIndicatorTransitionMaskImage = nil;
}
#endif
}
#if !TARGET_OS_TV
navitem.hidesBackButton = config.hideBackButton;
#endif
navitem.leftBarButtonItem = nil;
navitem.rightBarButtonItem = nil;
navitem.titleView = nil;
for (RNSScreenStackHeaderSubview *subview in config.reactSubviews) {
switch (subview.type) {
case RNSScreenStackHeaderSubviewTypeLeft: {
#if !TARGET_OS_TV
navitem.leftItemsSupplementBackButton = config.backButtonInCustomView;
#endif
UIBarButtonItem *buttonItem = [[UIBarButtonItem alloc] initWithCustomView:subview];
navitem.leftBarButtonItem = buttonItem;
break;
}
case RNSScreenStackHeaderSubviewTypeRight: {
UIBarButtonItem *buttonItem = [[UIBarButtonItem alloc] initWithCustomView:subview];
navitem.rightBarButtonItem = buttonItem;
break;
}
case RNSScreenStackHeaderSubviewTypeCenter:
case RNSScreenStackHeaderSubviewTypeTitle: {
navitem.titleView = subview;
break;
}
case RNSScreenStackHeaderSubviewTypeSearchBar: {
if (subview.subviews == nil || [subview.subviews count] == 0) {
RCTLogWarn(
@"Failed to attach search bar to the header. We recommend using `useLayoutEffect` when managing "
"searchBar properties dynamically. \n\nSee: github.com/software-mansion/react-native-screens/issues/1188");
break;
}
if ([subview.subviews[0] isKindOfClass:[RNSSearchBar class]]) {
#if !TARGET_OS_TV
if (@available(iOS 11.0, *)) {
RNSSearchBar *searchBar = subview.subviews[0];
navitem.searchController = searchBar.controller;
navitem.hidesSearchBarWhenScrolling = searchBar.hideWhenScrolling;
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_16_0) && \
__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_16_0
if (@available(iOS 16.0, *)) {
navitem.preferredSearchBarPlacement = [searchBar placementAsUINavigationItemSearchBarPlacement];
}
#endif /* Check for iOS 16.0 */
}
#endif /* !TARGET_OS_TV */
}
break;
}
case RNSScreenStackHeaderSubviewTypeBackButton: {
break;
}
}
}
// This assignment should be done after `navitem.titleView = ...` assignment (iOS 16.0 bug).
// See: https://github.com/software-mansion/react-native-screens/issues/1570 (comments)
navitem.title = config.title;
if (animated && vc.transitionCoordinator != nil &&
vc.transitionCoordinator.presentationStyle == UIModalPresentationNone && !wasHidden) {
// when there is an ongoing transition we may need to update navbar setting in animation block
// using animateAlongsideTransition. However, we only do that given the transition is not a modal
// transition (presentationStyle == UIModalPresentationNone) and that the bar was not previously
// hidden. This is because both for modal transitions and transitions from screen with hidden bar
// the transition animation block does not get triggered. This is ok, because with both of those
// types of transitions there is no "shared" navigation bar that needs to be updated in an animated
// way.
[vc.transitionCoordinator
animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
[self setAnimatedConfig:vc withConfig:config];
}
completion:^(id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
if ([context isCancelled]) {
UIViewController *fromVC = [context viewControllerForKey:UITransitionContextFromViewControllerKey];
RNSScreenStackHeaderConfig *config = nil;
for (UIView *subview in fromVC.view.reactSubviews) {
if ([subview isKindOfClass:[RNSScreenStackHeaderConfig class]]) {
config = (RNSScreenStackHeaderConfig *)subview;
break;
}
}
[self setAnimatedConfig:fromVC withConfig:config];
}
}];
} else {
[self setAnimatedConfig:vc withConfig:config];
}
}
- (void)insertReactSubview:(RNSScreenStackHeaderSubview *)subview atIndex:(NSInteger)atIndex
{
[_reactSubviews insertObject:subview atIndex:atIndex];
subview.reactSuperview = self;
}
- (void)removeReactSubview:(RNSScreenStackHeaderSubview *)subview
{
[_reactSubviews removeObject:subview];
}
- (void)didUpdateReactSubviews
{
[super didUpdateReactSubviews];
[self updateViewControllerIfNeeded];
}
#ifdef RCT_NEW_ARCH_ENABLED
#pragma mark - Fabric specific
- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
{
if (![childComponentView isKindOfClass:[RNSScreenStackHeaderSubview class]]) {
RCTLogError(@"ScreenStackHeader only accepts children of type ScreenStackHeaderSubview");
return;
}
RCTAssert(
childComponentView.superview == nil,
@"Attempt to mount already mounted component view. (parent: %@, child: %@, index: %@, existing parent: %@)",
self,
childComponentView,
@(index),
@([childComponentView.superview tag]));
// [_reactSubviews insertObject:(RNSScreenStackHeaderSubview *)childComponentView atIndex:index];
[self insertReactSubview:(RNSScreenStackHeaderSubview *)childComponentView atIndex:index];
[self updateViewControllerIfNeeded];
}
- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
{
[_reactSubviews removeObject:(RNSScreenStackHeaderSubview *)childComponentView];
[childComponentView removeFromSuperview];
}
static RCTResizeMode resizeModeFromCppEquiv(react::ImageResizeMode resizeMode)
{
switch (resizeMode) {
case react::ImageResizeMode::Cover:
return RCTResizeModeCover;
case react::ImageResizeMode::Contain:
return RCTResizeModeContain;
case react::ImageResizeMode::Stretch:
return RCTResizeModeStretch;
case react::ImageResizeMode::Center:
return RCTResizeModeCenter;
case react::ImageResizeMode::Repeat:
return RCTResizeModeRepeat;
}
}
/**
* Fabric implementation of helper method for +loadBackButtonImageInViewController:withConfig:
* There is corresponding Paper implementation (with different parameter type) in Paper specific section.
*/
+ (RCTImageSource *)imageSourceFromImageView:(RCTImageComponentView *)view
{
auto const imageProps = *std::static_pointer_cast<const react::ImageProps>(view.props);
react::ImageSource cppImageSource = imageProps.sources.at(0);
auto imageSize = CGSize{cppImageSource.size.width, cppImageSource.size.height};
NSURLRequest *request =
[NSURLRequest requestWithURL:[NSURL URLWithString:RCTNSStringFromStringNilIfEmpty(cppImageSource.uri)]];
RCTImageSource *imageSource = [[RCTImageSource alloc] initWithURLRequest:request
size:imageSize
scale:cppImageSource.scale];
return imageSource;
}
#pragma mark - RCTComponentViewProtocol
- (void)prepareForRecycle
{
[super prepareForRecycle];
_initialPropsSet = NO;
}
+ (react::ComponentDescriptorProvider)componentDescriptorProvider
{
return react::concreteComponentDescriptorProvider<react::RNSScreenStackHeaderConfigComponentDescriptor>();
}
- (NSNumber *)getFontSizePropValue:(int)value
{
if (value > 0)
return [NSNumber numberWithInt:value];
return nil;
}
- (UISemanticContentAttribute)getDirectionPropValue:(react::RNSScreenStackHeaderConfigDirection)direction
{
switch (direction) {
case react::RNSScreenStackHeaderConfigDirection::Rtl:
return UISemanticContentAttributeForceRightToLeft;
case react::RNSScreenStackHeaderConfigDirection::Ltr:
return UISemanticContentAttributeForceLeftToRight;
}
}
- (void)updateProps:(react::Props::Shared const &)props oldProps:(react::Props::Shared const &)oldProps
{
const auto &oldScreenProps = *std::static_pointer_cast<const react::RNSScreenStackHeaderConfigProps>(_props);
const auto &newScreenProps = *std::static_pointer_cast<const react::RNSScreenStackHeaderConfigProps>(props);
BOOL needsNavigationControllerLayout = !_initialPropsSet;
if (newScreenProps.hidden != !_show) {
_show = !newScreenProps.hidden;
needsNavigationControllerLayout = YES;
}
if (newScreenProps.translucent != _translucent) {
_translucent = newScreenProps.translucent;
needsNavigationControllerLayout = YES;
}
if (newScreenProps.backButtonInCustomView != _backButtonInCustomView) {
[self setBackButtonInCustomView:newScreenProps.backButtonInCustomView];
}
_title = RCTNSStringFromStringNilIfEmpty(newScreenProps.title);
if (newScreenProps.titleFontFamily != oldScreenProps.titleFontFamily) {
_titleFontFamily = RCTNSStringFromStringNilIfEmpty(newScreenProps.titleFontFamily);
}
_titleFontWeight = RCTNSStringFromStringNilIfEmpty(newScreenProps.titleFontWeight);
_titleFontSize = [self getFontSizePropValue:newScreenProps.titleFontSize];
_hideShadow = newScreenProps.hideShadow;
_largeTitle = newScreenProps.largeTitle;
if (newScreenProps.largeTitleFontFamily != oldScreenProps.largeTitleFontFamily) {
_largeTitleFontFamily = RCTNSStringFromStringNilIfEmpty(newScreenProps.largeTitleFontFamily);
}
_largeTitleFontWeight = RCTNSStringFromStringNilIfEmpty(newScreenProps.largeTitleFontWeight);
_largeTitleFontSize = [self getFontSizePropValue:newScreenProps.largeTitleFontSize];
_largeTitleHideShadow = newScreenProps.largeTitleHideShadow;
_backTitle = RCTNSStringFromStringNilIfEmpty(newScreenProps.backTitle);
if (newScreenProps.backTitleFontFamily != oldScreenProps.backTitleFontFamily) {
_backTitleFontFamily = RCTNSStringFromStringNilIfEmpty(newScreenProps.backTitleFontFamily);
}
_backTitleFontSize = [self getFontSizePropValue:newScreenProps.backTitleFontSize];
_hideBackButton = newScreenProps.hideBackButton;
_disableBackButtonMenu = newScreenProps.disableBackButtonMenu;
if (newScreenProps.direction != oldScreenProps.direction) {
_direction = [self getDirectionPropValue:newScreenProps.direction];
}
_backTitleVisible = newScreenProps.backTitleVisible;
// We cannot compare SharedColor because it is shared value.
// We could compare color value, but it is more performant to just assign new value
_titleColor = RCTUIColorFromSharedColor(newScreenProps.titleColor);
_largeTitleColor = RCTUIColorFromSharedColor(newScreenProps.largeTitleColor);
_color = RCTUIColorFromSharedColor(newScreenProps.color);
_backgroundColor = RCTUIColorFromSharedColor(newScreenProps.backgroundColor);
[self updateViewControllerIfNeeded];
if (needsNavigationControllerLayout) {
[self layoutNavigationControllerView];
}
_initialPropsSet = YES;
_props = std::static_pointer_cast<react::RNSScreenStackHeaderConfigProps const>(props);
[super updateProps:props oldProps:oldProps];
}
#else
#pragma mark - Paper specific
- (void)didSetProps:(NSArray<NSString *> *)changedProps
{
[super didSetProps:changedProps];
[self updateViewControllerIfNeeded];
// We need to layout navigation controller view after translucent prop changes, because otherwise
// frame of RNSScreen will not be changed and screen content will remain the same size.
// For more details look at https://github.com/software-mansion/react-native-screens/issues/1158
if ([changedProps containsObject:@"translucent"]) {
[self layoutNavigationControllerView];
}
}
/**
* Paper implementation of helper method for +loadBackButtonImageInViewController:withConfig:
* There is corresponding Fabric implementation (with different parameter type) in Fabric specific section.
*/
+ (RCTImageSource *)imageSourceFromImageView:(RCTImageView *)view
{
return view.imageSources[0];
}
#endif
@end
#ifdef RCT_NEW_ARCH_ENABLED
Class<RCTComponentViewProtocol> RNSScreenStackHeaderConfigCls(void)
{
return RNSScreenStackHeaderConfig.class;
}
#endif
@implementation RNSScreenStackHeaderConfigManager
RCT_EXPORT_MODULE()
- (UIView *)view
{
return [RNSScreenStackHeaderConfig new];
}
RCT_EXPORT_VIEW_PROPERTY(title, NSString)
RCT_EXPORT_VIEW_PROPERTY(titleFontFamily, NSString)
RCT_EXPORT_VIEW_PROPERTY(titleFontSize, NSNumber)
RCT_EXPORT_VIEW_PROPERTY(titleFontWeight, NSString)
RCT_EXPORT_VIEW_PROPERTY(titleColor, UIColor)
RCT_EXPORT_VIEW_PROPERTY(backTitle, NSString)
RCT_EXPORT_VIEW_PROPERTY(backTitleFontFamily, NSString)
RCT_EXPORT_VIEW_PROPERTY(backTitleFontSize, NSNumber)
RCT_EXPORT_VIEW_PROPERTY(backgroundColor, UIColor)
RCT_EXPORT_VIEW_PROPERTY(backTitleVisible, BOOL)
RCT_EXPORT_VIEW_PROPERTY(blurEffect, UIBlurEffectStyle)
RCT_EXPORT_VIEW_PROPERTY(color, UIColor)
RCT_EXPORT_VIEW_PROPERTY(direction, UISemanticContentAttribute)
RCT_EXPORT_VIEW_PROPERTY(largeTitle, BOOL)
RCT_EXPORT_VIEW_PROPERTY(largeTitleFontFamily, NSString)
RCT_EXPORT_VIEW_PROPERTY(largeTitleFontSize, NSNumber)
RCT_EXPORT_VIEW_PROPERTY(largeTitleFontWeight, NSString)
RCT_EXPORT_VIEW_PROPERTY(largeTitleColor, UIColor)
RCT_EXPORT_VIEW_PROPERTY(largeTitleBackgroundColor, UIColor)
RCT_EXPORT_VIEW_PROPERTY(largeTitleHideShadow, BOOL)
RCT_EXPORT_VIEW_PROPERTY(hideBackButton, BOOL)
RCT_EXPORT_VIEW_PROPERTY(hideShadow, BOOL)
RCT_EXPORT_VIEW_PROPERTY(backButtonInCustomView, BOOL)
RCT_EXPORT_VIEW_PROPERTY(disableBackButtonMenu, BOOL)
// `hidden` is an UIView property, we need to use different name internally
RCT_REMAP_VIEW_PROPERTY(hidden, hide, BOOL)
RCT_EXPORT_VIEW_PROPERTY(translucent, BOOL)
@end
@implementation RCTConvert (RNSScreenStackHeader)
+ (NSMutableDictionary *)blurEffectsForIOSVersion
{
NSMutableDictionary *blurEffects = [NSMutableDictionary new];
[blurEffects addEntriesFromDictionary:@{
@"extraLight" : @(UIBlurEffectStyleExtraLight),
@"light" : @(UIBlurEffectStyleLight),
@"dark" : @(UIBlurEffectStyleDark),
}];
if (@available(iOS 10.0, *)) {
[blurEffects addEntriesFromDictionary:@{
@"regular" : @(UIBlurEffectStyleRegular),
@"prominent" : @(UIBlurEffectStyleProminent),
}];
}
#if !TARGET_OS_TV && defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
if (@available(iOS 13.0, *)) {
[blurEffects addEntriesFromDictionary:@{
@"systemUltraThinMaterial" : @(UIBlurEffectStyleSystemUltraThinMaterial),
@"systemThinMaterial" : @(UIBlurEffectStyleSystemThinMaterial),
@"systemMaterial" : @(UIBlurEffectStyleSystemMaterial),
@"systemThickMaterial" : @(UIBlurEffectStyleSystemThickMaterial),
@"systemChromeMaterial" : @(UIBlurEffectStyleSystemChromeMaterial),
@"systemUltraThinMaterialLight" : @(UIBlurEffectStyleSystemUltraThinMaterialLight),
@"systemThinMaterialLight" : @(UIBlurEffectStyleSystemThinMaterialLight),
@"systemMaterialLight" : @(UIBlurEffectStyleSystemMaterialLight),
@"systemThickMaterialLight" : @(UIBlurEffectStyleSystemThickMaterialLight),
@"systemChromeMaterialLight" : @(UIBlurEffectStyleSystemChromeMaterialLight),
@"systemUltraThinMaterialDark" : @(UIBlurEffectStyleSystemUltraThinMaterialDark),
@"systemThinMaterialDark" : @(UIBlurEffectStyleSystemThinMaterialDark),
@"systemMaterialDark" : @(UIBlurEffectStyleSystemMaterialDark),
@"systemThickMaterialDark" : @(UIBlurEffectStyleSystemThickMaterialDark),
@"systemChromeMaterialDark" : @(UIBlurEffectStyleSystemChromeMaterialDark),
}];
}
#endif
return blurEffects;
}
RCT_ENUM_CONVERTER(
UISemanticContentAttribute,
(@{
@"ltr" : @(UISemanticContentAttributeForceLeftToRight),
@"rtl" : @(UISemanticContentAttributeForceRightToLeft),
}),
UISemanticContentAttributeUnspecified,
integerValue)
RCT_ENUM_CONVERTER(UIBlurEffectStyle, ([self blurEffectsForIOSVersion]), UIBlurEffectStyleExtraLight, integerValue)
@end