Swiftgram/Source/ASTabBarController.m
Adlai Holler 8ec4b312cf Overhaul our logging, add activity tracing support. (#399)
* Improve the os_log and os_activity integration

* Address feedback from Scott and Huy
2017-07-03 19:03:26 -07:00

93 lines
2.9 KiB
Objective-C

//
// ASTabBarController.m
// Texture
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
#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