Apply topBar appearance options on current child navigationItem (#5994)

This commit changes how stack child options are applied on iOS 13. Until now, options were applied directly to the navigationItem of the stack which is shared between all children.
This commit applies options on the navigationItem of each child instead. This fixes issues with color transitions when popping and pushing children to the stack.

lib/ios/RNNBasePresenter.h

 
 - (void)componentDidDisappear;
 
+- (UINavigationItem *)currentNavigationItem;
+
 - (UIStatusBarStyle)getStatusBarStyle:(RNNNavigationOptions *)resolvedOptions;
 
 - (UIInterfaceOrientationMask)getOrientation:(RNNNavigationOptions *)options;

lib/ios/RNNBasePresenter.m

     }
 }
 
+- (UINavigationItem *)currentNavigationItem {
+    return self.boundViewController.getCurrentChild.navigationItem;
+}
+
 - (UIInterfaceOrientationMask)getOrientation:(RNNNavigationOptions *)options {
     return [options withDefault:[self defaultOptions]].layout.supportedOrientations;
 }

lib/ios/RNNComponentViewController.m

 - (instancetype)initWithLayoutInfo:(RNNLayoutInfo *)layoutInfo rootViewCreator:(id<RNNComponentViewCreator>)creator eventEmitter:(RNNEventEmitter *)eventEmitter presenter:(RNNComponentPresenter *)presenter options:(RNNNavigationOptions *)options defaultOptions:(RNNNavigationOptions *)defaultOptions {
 	self = [super initWithLayoutInfo:layoutInfo creator:creator options:options defaultOptions:defaultOptions presenter:presenter eventEmitter:eventEmitter childViewControllers:nil];
 	self.extendedLayoutIncludesOpaqueBars = YES;
+    if (@available(iOS 13.0, *)) {
+        self.navigationItem.standardAppearance = [UINavigationBarAppearance new];
+    }
 	return self;
 }
 

lib/ios/TopBarAppearancePresenter.m

 #import "TopBarAppearancePresenter.h"
 #import "RNNFontAttributesCreator.h"
+#import "UIViewController+LayoutProtocol.h"
 
 @interface TopBarAppearancePresenter ()
 
 @end
 
 
-@implementation TopBarAppearancePresenter {
-    UINavigationBarAppearance* _appearance;
+@implementation TopBarAppearancePresenter
+
+- (void)applyOptions:(RNNTopBarOptions *)options {
+    [self setTranslucent:[options.background.translucent getWithDefaultValue:NO]];
+    [self setBackgroundColor:[options.background.color getWithDefaultValue:nil]];
+    [self setTitleAttributes:options.title];
+    [self setLargeTitleAttributes:options.largeTitle];
+    [self showBorder:![options.noBorder getWithDefaultValue:NO]];
+    [self setBackButtonOptions:options.backButton];
 }
 
-- (instancetype)initWithNavigationController:(UINavigationController *)boundNavigationController {
-    self = [super initWithNavigationController:boundNavigationController];
-    _appearance = boundNavigationController.navigationBar.standardAppearance ?: [UINavigationBarAppearance new];
-    boundNavigationController.navigationBar.standardAppearance = _appearance;
-    return self;
+- (void)applyOptionsBeforePopping:(RNNTopBarOptions *)options {
+    [self setBackgroundColor:[options.background.color getWithDefaultValue:nil]];
 }
 
 - (void)setTranslucent:(BOOL)translucent {
 
 - (void)updateBackgroundAppearance {
     if (self.transparent) {
-        [_appearance configureWithTransparentBackground];
+        [self.getAppearance configureWithTransparentBackground];
     } else if (self.backgroundColor) {
-        [_appearance setBackgroundColor:self.backgroundColor];
+        [self.getAppearance setBackgroundColor:self.backgroundColor];
     } else if (self.translucent) {
-        [_appearance configureWithDefaultBackground];
+        [self.getAppearance configureWithDefaultBackground];
     } else {
-        [_appearance configureWithOpaqueBackground];
+        [self.getAppearance configureWithOpaqueBackground];
     }
 }
 
 - (void)showBorder:(BOOL)showBorder {
     UIColor* shadowColor = showBorder ? [[UINavigationBarAppearance new] shadowColor] : nil;
-    _appearance.shadowColor = shadowColor;
+    self.getAppearance.shadowColor = shadowColor;
 }
 
 - (void)setBackIndicatorImage:(UIImage *)image withColor:(UIColor *)color {
-    [_appearance setBackIndicatorImage:image transitionMaskImage:image];
+    [self.getAppearance setBackIndicatorImage:image transitionMaskImage:image];
 }
 
 - (void)setTitleAttributes:(RNNTitleOptions *)titleOptions {
     NSNumber* fontSize = [titleOptions.fontSize getWithDefaultValue:nil];
     UIColor* fontColor = [titleOptions.color getWithDefaultValue:nil];
     
-    _appearance.titleTextAttributes = [RNNFontAttributesCreator createFromDictionary:_appearance.titleTextAttributes fontFamily:fontFamily fontSize:fontSize defaultFontSize:nil fontWeight:fontWeight color:fontColor defaultColor:nil];
+    self.getAppearance.titleTextAttributes = [RNNFontAttributesCreator createFromDictionary:self.getAppearance.titleTextAttributes fontFamily:fontFamily fontSize:fontSize defaultFontSize:nil fontWeight:fontWeight color:fontColor defaultColor:nil];
 }
 
 - (void)setLargeTitleAttributes:(RNNLargeTitleOptions *)largeTitleOptions {
     NSNumber* fontSize = [largeTitleOptions.fontSize getWithDefaultValue:nil];
     UIColor* fontColor = [largeTitleOptions.color getWithDefaultValue:nil];
     
-    _appearance.largeTitleTextAttributes = [RNNFontAttributesCreator createFromDictionary:_appearance.largeTitleTextAttributes fontFamily:fontFamily fontSize:fontSize defaultFontSize:nil fontWeight:fontWeight color:fontColor defaultColor:nil];
+    self.getAppearance.largeTitleTextAttributes = [RNNFontAttributesCreator createFromDictionary:self.getAppearance.largeTitleTextAttributes fontFamily:fontFamily fontSize:fontSize defaultFontSize:nil fontWeight:fontWeight color:fontColor defaultColor:nil];
+}
+
+- (UINavigationBarAppearance *)getAppearance {
+    return self.currentNavigationItem.standardAppearance;
 }
 
 @end

lib/ios/TopBarPresenter.h

 
 - (BOOL)transparent;
 
+- (void)setBackButtonOptions:(RNNBackButtonOptions *)backButtonOptions;
+
 @property (nonatomic) BOOL translucent;
 @property (nonatomic, strong) UIColor* backgroundColor;
 

playground/ios/NavigationTests/RNNRootViewControllerTest.m

 	[self.uut viewWillAppear:false];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
 
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.backgroundColor isEqual:expectedColor]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.backgroundColor isEqual:expectedColor]);
 }
 
 - (void)testTopBarBackgroundColorWithoutNavigationController {
 	__unused RNNStackController* nav = [self createNavigationController];
 	[self.uut viewWillAppear:false];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
 }
 
 - (void)testBackgroundColor_validColor {
 	self.options.topBar.title.fontFamily = [[Text alloc] initWithValue:inputFont];
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithName:inputFont size:17];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
 }
 
 - (void)testTopBarHideOnScroll_true {
 	self.options.topBar.background.translucent = [[Bool alloc] initWithValue:topBarTranslucentInput];
 	__unused RNNStackController* nav = [self createNavigationController];
 	[self.uut viewWillAppear:false];
-	XCTAssertTrue(CGColorEqualToColor(self.uut.navigationController.navigationBar.standardAppearance.shadowColor.CGColor, [UINavigationBarAppearance new].shadowColor.CGColor));
-	XCTAssertTrue(CGColorEqualToColor(self.uut.navigationController.navigationBar.standardAppearance.backgroundColor.CGColor, UIColor.systemBackgroundColor.CGColor));
+	XCTAssertTrue(CGColorEqualToColor(self.uut.navigationItem.standardAppearance.shadowColor.CGColor, [UINavigationBarAppearance new].shadowColor.CGColor));
+	XCTAssertTrue(CGColorEqualToColor(self.uut.navigationItem.standardAppearance.backgroundColor.CGColor, UIColor.systemBackgroundColor.CGColor));
 }
 
 - (void)testTopBarTransparent {
 	UIFont* initialFont = self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSFont"];
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithDescriptor:initialFont.fontDescriptor size:topBarTextFontSizeInput.floatValue];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
 }
 
 - (void)testTopBarLargeTitleFontSize_withoutTextFontFamily_withTextColor {
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithDescriptor:initialFont.fontDescriptor size:topBarTextFontSizeInput.floatValue];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSColor"] isEqual:expectedColor]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.largeTitleTextAttributes[@"NSColor"] isEqual:expectedColor]);
 }
 
 - (void)testTopBarLargeTitleFontSize_withTextFontFamily_withTextColor {
 	[self.uut viewWillAppear:false];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
 	UIFont* expectedFont = [UIFont fontWithName:inputFont size:15];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSColor"] isEqual:expectedColor]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.largeTitleTextAttributes[@"NSColor"] isEqual:expectedColor]);
 }
 
 - (void)testTopBarLargeTitleFontSize_withTextFontFamily_withoutTextColor {
 	__unused RNNStackController* nav = [self createNavigationController];
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithName:inputFont size:15];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.largeTitleTextAttributes[@"NSFont"] isEqual:expectedFont]);
 }
 
 
 	UIFont* initialFont = self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSFont"];
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithDescriptor:initialFont.fontDescriptor size:topBarTextFontSizeInput.floatValue];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
 }
 
 - (void)testTopBarTextFontSize_withoutTextFontFamily_withTextColor {
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithDescriptor:initialFont.fontDescriptor size:topBarTextFontSizeInput.floatValue];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
 }
 
 - (void)testTopBarTextFontSize_withTextFontFamily_withTextColor {
 	[self.uut viewWillAppear:false];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
 	UIFont* expectedFont = [UIFont fontWithName:inputFont size:15];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
 }
 
 - (void)testTopBarTextFontSize_withTextFontFamily_withoutTextColor {
 	__unused RNNStackController* nav = [self createNavigationController];
 	[self.uut viewWillAppear:false];
 	UIFont* expectedFont = [UIFont fontWithName:inputFont size:15];
-	XCTAssertTrue([self.uut.navigationController.navigationBar.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
+	XCTAssertTrue([self.uut.navigationItem.standardAppearance.titleTextAttributes[@"NSFont"] isEqual:expectedFont]);
 }
 
 // TODO: Currently not passing
 	self.options.topBar.noBorder = [[Bool alloc] initWithValue:topBarNoBorderInput];
 	__unused RNNStackController* nav = [self createNavigationController];
 	[self.uut viewWillAppear:false];
-	XCTAssertNil(self.uut.navigationController.navigationBar.standardAppearance.shadowColor);
+	XCTAssertNil(self.uut.navigationItem.standardAppearance.shadowColor);
 }
 
 - (void)testTopBarNoBorderOff {

playground/ios/NavigationTests/RNNStackControllerTest.m

 	[_vc1 overrideOptions:_options];
 	
 	[self.uut popViewControllerAnimated:NO];
-	XCTAssertEqual(_vc1.resolveOptions.topBar.background.color.get, self.uut.navigationBar.standardAppearance.backgroundColor);
+	[_vc1 viewWillAppear:YES];
+	XCTAssertEqual(_vc1.resolveOptions.topBar.background.color.get, self.uut.childViewControllers.lastObject.navigationItem.standardAppearance.backgroundColor);
 }
 
 - (void)testPopViewControllerSetDefaultTopBarBackgroundForPoppingViewController {

playground/ios/NavigationTests/RNNStackPresenterTest.m

 #import <XCTest/XCTest.h>
 #import <OCMock/OCMock.h>
-#import "RNNStackPresenter.h"
+#import <ReactNativeNavigation/RNNStackPresenter.h>
 #import "UINavigationController+RNNOptions.h"
 #import "RNNStackController.h"
 #import "UIImage+Utils.h"
+#import "RNNComponentViewController+Utils.h"
 
 @interface RNNStackPresenterTest : XCTestCase
 
 - (void)setUp {
 	[super setUp];
 	self.uut = [[RNNStackPresenter alloc] init];
-	RNNStackController* stackController = [[RNNStackController alloc] initWithLayoutInfo:nil creator:nil options:[[RNNNavigationOptions alloc] initEmptyOptions] defaultOptions:nil presenter:self.uut eventEmitter:nil childViewControllers:@[[UIViewController new], [UIViewController new]]];
+	RNNStackController* stackController = [[RNNStackController alloc] initWithLayoutInfo:nil creator:nil options:[[RNNNavigationOptions alloc] initEmptyOptions] defaultOptions:nil presenter:self.uut eventEmitter:nil childViewControllers:@[[RNNComponentViewController createWithComponentId:@"component1"], [RNNComponentViewController createWithComponentId:@"component2"]]];
 	self.boundViewController = [OCMockObject partialMockForObject:stackController];
     [self.uut bindViewController:self.boundViewController];
 	self.options = [[RNNNavigationOptions alloc] initEmptyOptions];
 	_options.topBar.background.color = [[Color alloc] initWithValue:[UIColor redColor]];
 	
 	[self.uut applyOptionsBeforePopping:self.options];
-	XCTAssertTrue([_boundViewController.navigationBar.standardAppearance.backgroundColor isEqual:[UIColor redColor]]);
+	XCTAssertTrue([_boundViewController.childViewControllers.lastObject.navigationItem.standardAppearance.backgroundColor isEqual:[UIColor redColor]]);
 }
 
 - (void)testApplyOptionsShouldSetLargeTitleVisible {
 	self.options.topBar.backButton.icon = icon;
 	[self.uut applyOptions:self.options];
 	XCTAssertEqual(self.boundViewController.viewControllers.firstObject.navigationItem.backBarButtonItem.tintColor, UIColor.redColor);
-	XCTAssertTrue([self.boundViewController.navigationBar.standardAppearance.backIndicatorImage isEqual:image]);
+	XCTAssertTrue([self.boundViewController.viewControllers.lastObject.navigationItem.standardAppearance.backIndicatorImage isEqual:image]);
 }
 
 - (void)testBackgroundColor_validColor {

playground/ios/NavigationTests/TopBarAppearancePresenterTest.m

 #import "UIViewController+RNNOptions.h"
 #import <ReactNativeNavigation/RNNStackController.h>
 #import <ReactNativeNavigation/RNNComponentViewController.h>
+#import "RNNComponentViewController+Utils.h"
 
 @interface TopBarAppearancePresenterTest : XCTestCase
 
 
 - (void)setUp {
     [super setUp];
-	_componentViewController = [[RNNComponentViewController alloc] initWithLayoutInfo:nil rootViewCreator:nil eventEmitter:nil presenter:nil options:[[RNNNavigationOptions alloc] initEmptyOptions] defaultOptions:nil];
+	_componentViewController = [RNNComponentViewController createWithComponentId:@"componentId"];
 	_stack = [[RNNStackController alloc] initWithLayoutInfo:nil creator:nil options:[[RNNNavigationOptions alloc] initEmptyOptions] defaultOptions:[[RNNNavigationOptions alloc] initEmptyOptions] presenter:_uut eventEmitter:nil childViewControllers:@[_componentViewController]];
 	_uut = [[TopBarAppearancePresenter alloc] initWithNavigationController:_stack];
 }
 	mergeOptions.topBar.title.fontSize = [Number withValue:@(21)];
 	RNNNavigationOptions* withDefault = [mergeOptions withDefault:defaultOptions];
 	[_uut mergeOptions:mergeOptions.topBar withDefault:withDefault.topBar];
-	XCTAssertEqual(_stack.navigationBar.standardAppearance.titleTextAttributes[NSForegroundColorAttributeName], UIColor.redColor);
-	UIFont* font = _stack.navigationBar.standardAppearance.titleTextAttributes[NSFontAttributeName];
+	XCTAssertEqual(_stack.childViewControllers.lastObject.navigationItem.standardAppearance.titleTextAttributes[NSForegroundColorAttributeName], UIColor.redColor);
+	UIFont* font = _stack.childViewControllers.lastObject.navigationItem.standardAppearance.titleTextAttributes[NSFontAttributeName];
 	XCTAssertEqual(font.pointSize, 21);
 }
 

playground/ios/NavigationTests/utils/RNNComponentViewController+Utils.h

+#import <ReactNativeNavigation/ReactNativeNavigation.h>
+#import <ReactNativeNavigation/RNNComponentViewController.h>
+
+@interface RNNComponentViewController (Utils)
+
++ (RNNComponentViewController *)createWithComponentId:(NSString *)componentId;
+
+@end

playground/ios/NavigationTests/utils/RNNComponentViewController+Utils.m

+#import "RNNComponentViewController+Utils.h"
+
+@implementation RNNComponentViewController (Utils)
+
++ (RNNComponentViewController *)createWithComponentId:(NSString *)componentId {
+	RNNLayoutInfo* layoutInfo = [[RNNLayoutInfo alloc] init];
+	layoutInfo.componentId = componentId;
+	return [[RNNComponentViewController alloc] initWithLayoutInfo:layoutInfo rootViewCreator:nil eventEmitter:nil presenter:nil options:nil defaultOptions:nil];
+}
+
+@end

playground/ios/playground.xcodeproj/project.pbxproj

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 				501C86B7239FE9C400E0B631 /* UIImage+Utils.h */,
 				501C86B8239FE9C400E0B631 /* UIImage+Utils.m */,
+				50C9A8D2240FB9D000BD699F /* RNNComponentViewController+Utils.h */,
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 				50BCB27623F1A2B100D6C8E5 /* TopBarAppearancePresenterTest.m in Sources */,
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