Swiftgram/submodules/AsyncDisplayKit/Source/ASTabBarController.mm
Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

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//
// ASTabBarController.mm
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#ifndef MINIMAL_ASDK
#import <AsyncDisplayKit/ASTabBarController.h>
#import <AsyncDisplayKit/ASLog.h>
@implementation ASTabBarController
{
BOOL _parentManagesVisibilityDepth;
NSInteger _visibilityDepth;
}
ASVisibilityDidMoveToParentViewController;
ASVisibilityViewWillAppear;
ASVisibilityViewDidDisappearImplementation;
ASVisibilitySetVisibilityDepth;
ASVisibilityDepthImplementation;
- (void)visibilityDepthDidChange
{
for (UIViewController *viewController in self.viewControllers) {
if ([viewController conformsToProtocol:@protocol(ASVisibilityDepth)]) {
[(id <ASVisibilityDepth>)viewController visibilityDepthDidChange];
}
}
}
- (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController
{
NSUInteger viewControllerIndex = [self.viewControllers indexOfObjectIdenticalTo:childViewController];
if (viewControllerIndex == NSNotFound) {
//If childViewController is not actually a child, return NSNotFound which is also a really large number.
return NSNotFound;
}
if (self.selectedViewController == childViewController) {
return [self visibilityDepth];
}
return [self visibilityDepth] + 1;
}
#pragma mark - UIKit overrides
- (void)setViewControllers:(NSArray<__kindof UIViewController *> *)viewControllers
{
[super setViewControllers:viewControllers];
[self visibilityDepthDidChange];
}
- (void)setViewControllers:(NSArray<__kindof UIViewController *> *)viewControllers animated:(BOOL)animated
{
[super setViewControllers:viewControllers animated:animated];
[self visibilityDepthDidChange];
}
- (void)setSelectedIndex:(NSUInteger)selectedIndex
{
as_activity_create_for_scope("Set selected index of ASTabBarController");
as_log_info(ASNodeLog(), "Selected tab %tu of %@", selectedIndex, self);
[super setSelectedIndex:selectedIndex];
[self visibilityDepthDidChange];
}
- (void)setSelectedViewController:(__kindof UIViewController *)selectedViewController
{
as_activity_create_for_scope("Set selected view controller of ASTabBarController");
as_log_info(ASNodeLog(), "Selected view controller %@ of %@", selectedViewController, self);
[super setSelectedViewController:selectedViewController];
[self visibilityDepthDidChange];
}
@end
#endif