Repo created

iphone/Maps/Classes/Components/MWMNavigationController.m

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+#import "MWMNavigationController.h"
+#import "MWMController.h"
+#import "SwiftBridge.h"
+
+#import <SafariServices/SafariServices.h>
+
+@interface MWMNavigationController () <UINavigationControllerDelegate>
+
+@end
+
+@implementation MWMNavigationController
+
+- (UIStatusBarStyle)preferredStatusBarStyle
+{
+  return UIStatusBarStyleLightContent;
+}
+
+- (void)viewDidLoad
+{
+  [super viewDidLoad];
+  self.delegate = self;
+  self.navigationItem.leftBarButtonItem.tintColor = [UIColor whitePrimaryText];
+  self.navigationItem.rightBarButtonItem.tintColor = [UIColor whitePrimaryText];
+
+  [MWMThemeManager invalidate];
+}
+
+- (void)navigationController:(UINavigationController *)navigationController
+      willShowViewController:(UIViewController *)viewController
+                    animated:(BOOL)animated
+{
+  if ([viewController isKindOfClass:[SFSafariViewController class]])
+  {
+    [navigationController setNavigationBarHidden:YES animated:animated];
+    return;
+  }
+  
+  if ([viewController conformsToProtocol:@protocol(MWMController)]) {
+    id<MWMController> vc = (id<MWMController>)viewController;
+    [navigationController setNavigationBarHidden:!vc.hasNavigationBar animated:animated];
+  }
+}
+
+- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
+{
+  UIViewController * topVC = self.viewControllers.lastObject;
+  [self setupNavigationBackButtonItemFor:topVC];
+  [super pushViewController:viewController animated:animated];
+}
+
+- (void)setViewControllers:(NSArray<UIViewController *> *)viewControllers animated:(BOOL)animated {
+  [viewControllers enumerateObjectsUsingBlock:^(UIViewController * vc, NSUInteger idx, BOOL * stop) {
+    if (idx == viewControllers.count - 1)
+      return;
+    [self setupNavigationBackButtonItemFor:vc];
+  }];
+  [super setViewControllers:viewControllers animated:animated];
+}
+
+- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection
+{
+  [super traitCollectionDidChange: previousTraitCollection];
+  // Update the app theme when the device appearance is changing.
+  if ((self.traitCollection.verticalSizeClass != previousTraitCollection.verticalSizeClass)
+      || (self.traitCollection.horizontalSizeClass != previousTraitCollection.horizontalSizeClass) || (self.traitCollection.userInterfaceStyle != previousTraitCollection.userInterfaceStyle)) {
+    [MWMThemeManager invalidate];
+  }
+}
+
+- (BOOL)shouldAutorotate
+{
+  return YES;
+}
+
+- (void)setupNavigationBackButtonItemFor:(UIViewController *)viewController {
+  if (@available(iOS 14.0, *)) {
+    viewController.navigationItem.backButtonDisplayMode = UINavigationItemBackButtonDisplayModeMinimal;
+  } else {
+    viewController.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@""
+                                                                                       style:UIBarButtonItemStylePlain
+                                                                                      target:nil
+                                                                                      action:nil];
+  }
+}
+
+@end