wehub-resource-sync
91 lines
2.9 KiB
Objective-C
91 lines
2.9 KiB
Objective-C
//
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// UIViewController+PopGesture.m
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// TLChat
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//
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// Created by 李伯坤 on 2017/9/26.
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// Copyright © 2017年 李伯坤. All rights reserved.
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//
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#import "UIViewController+PopGesture.h"
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#pragma mark - ## UINavigationController (TLViewController)
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@interface UINavigationController (TLViewController)
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@property (nonatomic, strong, readonly) id systemInteractivePopGestureRecognizerDelegate;
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@end
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@implementation UINavigationController (TLViewController)
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+ (void)load
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{
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TLExchangeMethod(@selector(initWithRootViewController:), @selector(__tt_initWithRootViewController:))
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}
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- (id)__tt_initWithRootViewController:(UIViewController *)rootViewController
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{
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[self __tt_initWithRootViewController:rootViewController];
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[self setAssociatedObject:self.interactivePopGestureRecognizer.delegate forKey:@"systemInteractivePopGestureRecognizerDelegate" association:TLAssociationStrong];
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return self;
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}
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- (id)systemInteractivePopGestureRecognizerDelegate
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{
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return [self associatedObjectForKey:@"systemInteractivePopGestureRecognizerDelegate"];
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}
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@end
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@implementation UIViewController (PopGesture)
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+ (void)load
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{
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TLExchangeMethod(@selector(viewWillAppear:), @selector(__tt_viewWillAppear:))
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}
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- (void)__tt_viewWillAppear:(BOOL)animated
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{
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[self __tt_viewWillAppear:animated];
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if ([self.navigationController.childViewControllers containsObject:self]) {
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if (self.disablePopGesture) {
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if ([self.navigationController respondsToSelector:@selector(systemInteractivePopGestureRecognizerDelegate)]) {
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self.navigationController.interactivePopGestureRecognizer.delegate = self;
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}
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else {
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NSLog(@"不能禁用右滑手势");
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}
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}
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else {
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if ([self.navigationController respondsToSelector:@selector(systemInteractivePopGestureRecognizerDelegate)]) {
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id delegate = [self.navigationController valueForKey:@"systemInteractivePopGestureRecognizerDelegate"];
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if (delegate && self.navigationController.interactivePopGestureRecognizer.delegate != delegate) {
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self.navigationController.interactivePopGestureRecognizer.delegate = delegate;
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}
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}
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}
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}
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}
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#pragma mark - # Public Methods
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- (void)setDisablePopGesture:(BOOL)disablePopGesture
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{
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[self setAssociatedObject:@(disablePopGesture) forKey:@"__tt_disablePopGesture" association:TLAssociationAssign];
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if (disablePopGesture && [self.navigationController.childViewControllers containsObject:self]) {
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self.navigationController.interactivePopGestureRecognizer.delegate = self;
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}
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}
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- (BOOL)disablePopGesture
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{
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return [[self associatedObjectForKey:@"__tt_disablePopGesture"] boolValue];
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}
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#pragma mark - # Delegate
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//MARK: UIGestureRecognizerDelegate
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- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {
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return NO;
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}
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@end
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