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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
116 lines
4.0 KiB
Plaintext
116 lines
4.0 KiB
Plaintext
//
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// ASNavigationController.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#ifndef MINIMAL_ASDK
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#import <AsyncDisplayKit/ASNavigationController.h>
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#import <AsyncDisplayKit/ASLog.h>
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#import <AsyncDisplayKit/ASObjectDescriptionHelpers.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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as_activity_create_for_scope("Pop multiple from ASNavigationController");
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NSArray *viewControllers = [super popToViewController:viewController animated:animated];
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as_log_info(ASNodeLog(), "Popped %@ to %@, removing %@", self, viewController, ASGetDescriptionValueString(viewControllers));
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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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as_activity_create_for_scope("Pop to root of ASNavigationController");
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NSArray *viewControllers = [super popToRootViewControllerAnimated:animated];
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as_log_info(ASNodeLog(), "Popped view controllers %@ from %@", ASGetDescriptionValueString(viewControllers), self);
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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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// NOTE: As of now this method calls through to setViewControllers:animated: so no need to log/activity here.
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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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as_activity_create_for_scope("Set view controllers of ASNavigationController");
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as_log_info(ASNodeLog(), "Set view controllers of %@ to %@ animated: %d", self, ASGetDescriptionValueString(viewControllers), animated);
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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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as_activity_create_for_scope("Push view controller on ASNavigationController");
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as_log_info(ASNodeLog(), "Pushing %@ onto %@", viewController, self);
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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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as_activity_create_for_scope("Pop view controller from ASNavigationController");
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UIViewController *viewController = [super popViewControllerAnimated:animated];
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as_log_info(ASNodeLog(), "Popped %@ from %@", viewController, self);
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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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