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# Conflicts: # AsyncDisplayKit.xcodeproj/project.pbxproj # AsyncDisplayKit/ASPagerFlowLayout.m # AsyncDisplayKit/AsyncDisplayKit.modulemap # AsyncDisplayKit/Details/ASCollectionDataController.h # AsyncDisplayKit/Details/ASCollectionDataController.mm # AsyncDisplayKit/Details/ASDataController.mm # AsyncDisplayKit/Private/ASDataController+Subclasses.h # AsyncDisplayKit/module.modulemap # Source/Debug/AsyncDisplayKit+Debug.h # Source/Details/ASCollectionElement.mm # Source/module.modulemap
103 lines
3.0 KiB
Objective-C
103 lines
3.0 KiB
Objective-C
//
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// ASNavigationController.m
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// AsyncDisplayKit
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//
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// Created by Garrett Moon on 4/27/16.
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#ifndef MINIMAL_ASDK
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#import <AsyncDisplayKit/ASNavigationController.h>
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@implementation ASNavigationController
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{
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BOOL _parentManagesVisibilityDepth;
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NSInteger _visibilityDepth;
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}
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ASVisibilityDidMoveToParentViewController;
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ASVisibilityViewWillAppear;
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ASVisibilityViewDidDisappearImplementation;
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ASVisibilitySetVisibilityDepth;
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ASVisibilityDepthImplementation;
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- (void)visibilityDepthDidChange
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{
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for (UIViewController *viewController in self.viewControllers) {
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if ([viewController conformsToProtocol:@protocol(ASVisibilityDepth)]) {
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[(id <ASVisibilityDepth>)viewController visibilityDepthDidChange];
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}
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}
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}
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- (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController
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{
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NSUInteger viewControllerIndex = [self.viewControllers indexOfObjectIdenticalTo:childViewController];
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if (viewControllerIndex == NSNotFound) {
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//If childViewController is not actually a child, return NSNotFound which is also a really large number.
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return NSNotFound;
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}
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if (viewControllerIndex == self.viewControllers.count - 1) {
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//view controller is at the top, just return our own visibility depth.
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return [self visibilityDepth];
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} else if (viewControllerIndex == 0) {
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//view controller is the root view controller. Can be accessed by holding the back button.
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return [self visibilityDepth] + 1;
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}
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return [self visibilityDepth] + self.viewControllers.count - 1 - viewControllerIndex;
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}
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#pragma mark - UIKit overrides
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- (NSArray *)popToViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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NSArray *viewControllers = [super popToViewController:viewController animated:animated];
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[self visibilityDepthDidChange];
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return viewControllers;
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}
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- (NSArray *)popToRootViewControllerAnimated:(BOOL)animated
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{
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NSArray *viewControllers = [super popToRootViewControllerAnimated:animated];
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[self visibilityDepthDidChange];
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return viewControllers;
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}
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- (void)setViewControllers:(NSArray *)viewControllers
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{
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[super setViewControllers:viewControllers];
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[self visibilityDepthDidChange];
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}
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- (void)setViewControllers:(NSArray *)viewControllers animated:(BOOL)animated
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{
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[super setViewControllers:viewControllers animated:animated];
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[self visibilityDepthDidChange];
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}
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- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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[super pushViewController:viewController animated:animated];
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[self visibilityDepthDidChange];
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}
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- (UIViewController *)popViewControllerAnimated:(BOOL)animated
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{
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UIViewController *viewController = [super popViewControllerAnimated:animated];
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[self visibilityDepthDidChange];
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return viewController;
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}
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@end
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#endif
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