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75 lines
1.8 KiB
75 lines
1.8 KiB
4 years ago
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// TFNavigationController.m
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// WXReader
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//
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// Created by 谢腾飞 on 2020/12/1.
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// Copyright © 2020 xtfei_2011@126.com. All rights reserved.
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//
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#import "TFNavigationController.h"
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#import "UINavigationController+TFExtension.h"
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@interface TFNavigationController ()<UINavigationControllerDelegate>
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@property (nonatomic ,assign) BOOL isSwitching;
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@end
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@implementation TFNavigationController
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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self.delegate = self;
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// 使导航条有效
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[self setNavigationBarHidden:NO];
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[self.navigationBar setHidden:YES];
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}
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- (void)setEnableSlidingBack:(BOOL)enableSlidingBack
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{
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_enableSlidingBack = enableSlidingBack;
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self.interactivePopGestureRecognizer.enabled = enableSlidingBack;
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}
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- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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if (self.viewControllers.count > 0 && !self.isTransition) {
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viewController.hidesBottomBarWhenPushed = YES;
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}
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if (animated) {
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if (self.isSwitching) {
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return; // 1. 如果是动画，并且正在切换，直接忽略
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}
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self.isSwitching = YES; // 2. 否则修改状态
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}
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[super pushViewController:viewController animated:animated];
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self.isSwitching = NO;
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self.isTransition = NO;
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}
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- (void)navigationController:(UINavigationController *)navigationController didShowViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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BOOL isRootVC = viewController == navigationController.viewControllers.firstObject;
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if (self.enableSlidingBack) {
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self.enableSlidingBack = !isRootVC;
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}
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self.isSwitching = NO; // 3. 还原状态
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}
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- (UIViewController *)popViewControllerAnimated:(BOOL)animated
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{
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self.isSwitching = NO;
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return [super popViewControllerAnimated:animated];
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}
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@end
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