删除WMNavigationController.m中无用的代码

GMBase/Classes/WMNavigationController.h

@@ -8,10 +8,5 @@
 
 #import <UIKit/UIKit.h>
 
-/**
- *  @author wangyang
- *
- *  内部所有代码都是在处理自定义后退按键时，滑动后退（即interactivePopGestureRecognizer）不好使的问题
- */
 @interface WMNavigationController : UINavigationController
-@end
\ No newline at end of file
+@end

GMBase/Classes/WMNavigationController.m

@@ -7,127 +7,13 @@
 //
 
 #import "WMNavigationController.h"
-#import <objc/runtime.h>
 
-@interface WMNavigationController () <UINavigationControllerDelegate, UIGestureRecognizerDelegate>
-
-/// A Boolean value indicating whether navigation controller is currently pushing a new view controller on the stack.
-@property (nonatomic, getter = isDuringPushAnimation) BOOL duringPushAnimation;
-/// A real delegate of the class. `delegate` property is used only for keeping an internal state during
-/// animations – we need to know when the animation ended, and that info is available only
-/// from `navigationController:didShowViewController:animated:`.
-@property (weak, nonatomic) id<UINavigationControllerDelegate> realDelegate;
-
-@end
 @implementation WMNavigationController
 - (void)viewDidLoad
 {
     [super viewDidLoad];
     self.navigationBarHidden = YES;
-    // 处理使用leftBarButton作为返回时，interactivePopGestureRecognizer不好使的问题
-    if (!self.delegate) {
-        self.delegate = self;
-    }
-    self.interactivePopGestureRecognizer.delegate = self;
-    // 这样在push时，view不会在导航栏上显示一黑色。尤其是在导航栏为透明时能看到
     self.view.backgroundColor = [UIColor whiteColor];
 }
-
-- (void)dealloc
-{
-    self.delegate = nil;
-    self.interactivePopGestureRecognizer.delegate = nil;
-}
-
-- (void)setDelegate:(id<UINavigationControllerDelegate>)delegate
-{
-    [super setDelegate:delegate ? self : nil];
-    self.realDelegate = delegate != self ? delegate : nil;
-}
-
-- (void)pushViewController:(UIViewController *)viewController
-                  animated:(BOOL)animated
-{
-    
-    if (self.duringPushAnimation) {
-        return;
-    }
-    
-    if (animated) {
-        self.duringPushAnimation = YES;
-    }
-    
-    [super pushViewController:viewController animated:animated];
-}
-
-#pragma mark UINavigationControllerDelegate
-
-- (void)navigationController:(UINavigationController *)navigationController
-       didShowViewController:(UIViewController *)viewController
-                    animated:(BOOL)animated
-{
-    NSCAssert(self.interactivePopGestureRecognizer.delegate == self, @"WMNavigationController won't work correctly if you change interactivePopGestureRecognizer's delegate.");
-    
-    self.duringPushAnimation = NO;
-    
-    if ([self.realDelegate respondsToSelector:_cmd]) {
-        [self.realDelegate navigationController:navigationController didShowViewController:viewController animated:animated];
-    }
-}
-
-- (id<UIViewControllerAnimatedTransitioning>)navigationController:(UINavigationController *)navigationController animationControllerForOperation:(UINavigationControllerOperation)operation fromViewController:(UIViewController*)fromVC toViewController:(UIViewController*)toVC
-{
-    if ([self.realDelegate respondsToSelector:_cmd]) {
-        return [self.realDelegate navigationController:navigationController animationControllerForOperation:operation fromViewController:fromVC toViewController:toVC];
-    }
-    return nil;
-}
-
-- (id <UIViewControllerInteractiveTransitioning>)navigationController:(UINavigationController*)navigationController interactionControllerForAnimationController:(id <UIViewControllerAnimatedTransitioning>)animationController
-{
-    if ([self.realDelegate respondsToSelector:_cmd]) {
-        return [self.realDelegate navigationController:navigationController interactionControllerForAnimationController:animationController];
-    }
-    return nil;
-}
-
-#pragma mark - UIGestureRecognizerDelegate
-
-- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
-{
-    if (gestureRecognizer == self.interactivePopGestureRecognizer) {
-        // Disable pop gesture in two situations:
-        // 1) when the pop animation is in progress
-        // 2) when user swipes quickly a couple of times and animations don't have time to be performed
-        return [self.viewControllers count] > 1 && !self.isDuringPushAnimation;
-    } else {
-        // default value
-        return YES;
-    }
-}
-
-#pragma mark - Method Forward
-
-// Thanks for the idea goes to: https://github.com/steipete/PSPDFTextView/blob/ee9ce04ad04217efe0bc84d67f3895a34252d37c/PSPDFTextView/PSPDFTextView.m#L148-164
-
-- (BOOL)respondsToSelector:(SEL)s
-{
-    return [super respondsToSelector:s] || [self.realDelegate respondsToSelector:s];
-}
-
-- (NSMethodSignature *)methodSignatureForSelector:(SEL)s
-{
-    return [super methodSignatureForSelector:s] ?: [(id)self.realDelegate methodSignatureForSelector:s];
-}
-
-- (void)forwardInvocation:(NSInvocation *)invocation
-{
-    id delegate = self.realDelegate;
-    if ([delegate respondsToSelector:invocation.selector]) {
-        [invocation invokeWithTarget:delegate];
-    }
-}
-
 @end
 
-