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This commit is contained in:
ifish
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//
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// NTESNavigationAnimator.h
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// NIM
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//
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// Created by chris on 16/1/31.
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// Copyright © 2016年 Netease. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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typedef NS_ENUM(NSInteger, NTESNavigationAnimationType) {
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NTESNavigationAnimationTypeNormal,
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NTESNavigationAnimationTypeCross,
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};
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@class NTESNavigationAnimator;
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@protocol NTESNavigationAnimatorDelegate <NSObject>
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- (void)animationWillStart:(NTESNavigationAnimator *)animator;
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- (void)animationDidEnd:(NTESNavigationAnimator *)animator;
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@end
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@interface NTESNavigationAnimator : NSObject <UIViewControllerAnimatedTransitioning>
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@property (nonatomic,weak) UINavigationController *navigationController;
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@property (nonatomic,assign) UINavigationControllerOperation currentOpearation;
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@property (nonatomic,assign) NTESNavigationAnimationType animationType;
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@property (nonatomic,weak) id<NTESNavigationAnimatorDelegate> delegate;
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- (instancetype)initWithNavigationController:(UINavigationController *)navigationController;
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@end
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+150
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//
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// NTESNavigationAnimator.m
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// NIM
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//
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// Created by chris on 16/1/31.
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// Copyright © 2016年 Netease. All rights reserved.
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//
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#import "NTESNavigationAnimator.h"
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#import "UIView+NTES.h"
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//#import "NTESMainTabController.h"
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#import "IfishMianTabViewController.h"
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@implementation NTESNavigationAnimator
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- (instancetype)initWithNavigationController:(UINavigationController *)navigationController
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{
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self = [super init];
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if (self) {
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_navigationController = navigationController;
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}
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return self;
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}
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- (NSTimeInterval)transitionDuration:(id <UIViewControllerContextTransitioning>)transitionContext
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{
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return 0.35;
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}
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- (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionContext
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{
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switch (self.currentOpearation) {
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case UINavigationControllerOperationPop:
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[self popAnimation:transitionContext];
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break;
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case UINavigationControllerOperationPush:
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[self pushAnimation:transitionContext];
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break;
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default:
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break;
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}
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}
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- (void)pushAnimation:(id<UIViewControllerContextTransitioning>)transitionContext
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{
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UIViewController *toViewController = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
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UIViewController *fromViewController = [transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
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UIView *containerView = [transitionContext containerView];
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UINavigationController *navigationController = fromViewController.navigationController;
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UITabBarController *tabbarController = fromViewController.tabBarController;
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//使用xib可能会出现view的size不对的情况
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CGRect frame = fromViewController.view.frame;
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if ((toViewController.edgesForExtendedLayout & UIRectEdgeTop) == 0)
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{
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frame = CGRectOffset(navigationController.view.frame, 0, navigationController.navigationBar.bottom);
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}
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if ((toViewController.edgesForExtendedLayout & UIRectEdgeBottom) == 0) {
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CGRect slice = CGRectZero;
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CGRect remainder = CGRectZero;
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CGRectDivide(frame, &slice, &remainder, tabbarController.tabBar.height, CGRectMaxYEdge);
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frame = remainder;
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}
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toViewController.view.frame = frame;
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[containerView addSubview:fromViewController.view];
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[containerView addSubview:toViewController.view];
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CGFloat width = containerView.width;
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toViewController.view.left = width;
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[self callAnimationWillStart];
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CGFloat duration = [self transitionDuration:transitionContext];
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[UIView animateWithDuration:duration animations:^{
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fromViewController.view.right = width * 0.5;
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toViewController.view.right = width;
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} completion:^(BOOL finished) {
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[transitionContext completeTransition:![transitionContext transitionWasCancelled]];
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[self callAnimationDidEnd];
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}];
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}
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- (void)popAnimation:(id<UIViewControllerContextTransitioning>)transitionContext
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{
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UIViewController *toViewController = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
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UIViewController *fromViewController = [transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
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CGFloat snapshootHeight = [UIApplication sharedApplication].statusBarFrame.size.height + fromViewController.navigationController.navigationBar.height;
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UIView *fakeBar = [fromViewController.navigationController.view
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resizableSnapshotViewFromRect:CGRectMake(0, 0,fromViewController.view.width, snapshootHeight) afterScreenUpdates:NO withCapInsets:UIEdgeInsetsZero];
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UINavigationBar *tureBar = toViewController.navigationController.navigationBar;
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BOOL hidesBottomBar = toViewController.hidesBottomBarWhenPushed && self.navigationController.viewControllers.firstObject != toViewController;
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UITabBar *tabbar = [IfishMianTabViewController instance].tabBar;
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UIView *containerView = [transitionContext containerView];
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[containerView addSubview:toViewController.view];
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if (!hidesBottomBar) {
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[containerView addSubview:tabbar];
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}
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if (self.animationType == NTESNavigationAnimationTypeCross) {
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[containerView addSubview:tureBar];
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[fromViewController.view addSubview:fakeBar];
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}
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[containerView addSubview:fromViewController.view];
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CGFloat width = containerView.width;
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toViewController.view.right = width * 0.5;
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tabbar.right = width * 0.5;
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[self callAnimationWillStart];
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CGFloat duration = [self transitionDuration:transitionContext];
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[UIView animateWithDuration:duration animations:^{
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fromViewController.view.left = width;
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toViewController.view.right = width;
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tabbar.right = width;
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fakeBar.alpha = 0.0;
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} completion:^(BOOL finished) {
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[[IfishMianTabViewController instance].view addSubview:tabbar];
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[toViewController.navigationController.view addSubview:tureBar];
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[fakeBar removeFromSuperview];
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[transitionContext completeTransition:![transitionContext transitionWasCancelled]];
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[self callAnimationDidEnd];
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}];
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}
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- (void)callAnimationWillStart
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{
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if ([self.delegate respondsToSelector:@selector(animationWillStart:)]) {
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[self.delegate animationWillStart:self];
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}
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}
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- (void)callAnimationDidEnd
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{
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if ([self.delegate respondsToSelector:@selector(animationDidEnd:)]) {
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[self.delegate animationDidEnd:self];
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}
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}
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@end
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+17
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//
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// NTESNavigationHandler.h
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// NIM
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//
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// Created by chris on 16/1/28.
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// Copyright © 2016年 Netease. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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@interface NTESNavigationHandler : NSObject<UINavigationControllerDelegate>
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@property (nonatomic,strong,readonly) UIPanGestureRecognizer *recognizer;
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- (instancetype)initWithNavigationController:(UINavigationController *)navigationController;
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@end
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+185
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//
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// NTESNavigationHandler.m
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// NIM
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//
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// Created by chris on 16/1/28.
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// Copyright © 2016年 Netease. All rights reserved.
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//
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#import "NTESNavigationHandler.h"
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#import "UIView+NTES.h"
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//#import "NTESMainTabController.h"
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#import "IfishMianTabViewController.h"
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#import "UIResponder+NTESFirstResponder.h"
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#import "NTESNavigationAnimator.h"
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@interface NTESNavigationHandler()<UIGestureRecognizerDelegate,NTESNavigationAnimatorDelegate>
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@property (nonatomic,strong) UIPercentDrivenInteractiveTransition* interaction;
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@property (nonatomic,weak) UINavigationController *navigationController;
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@property (nonatomic,strong) NTESNavigationAnimator *animator;
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@property (nonatomic,assign) UINavigationControllerOperation currentOperation;
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@property (nonatomic,strong) CAGradientLayer *uiPopShadow;
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@property (nonatomic,assign) BOOL isAnimating;
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@end
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@implementation NTESNavigationHandler
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- (instancetype)initWithNavigationController:(UINavigationController *)navigationController
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{
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self = [super init];
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if (self) {
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_recognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(pan:)];
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_recognizer.delegate = self;
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_recognizer.delaysTouchesBegan = NO;
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[navigationController.view addGestureRecognizer:_recognizer];
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_animator = [[NTESNavigationAnimator alloc] initWithNavigationController:navigationController];
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_animator.delegate = self;
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_navigationController = navigationController;
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}
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return self;
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}
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- (void)pan:(UIPanGestureRecognizer*)recognizer
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{
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UIView* view = recognizer.view;
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switch (recognizer.state) {
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case UIGestureRecognizerStateBegan:{
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CGPoint location = [recognizer locationInView:view];
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if (location.x < CGRectGetMidX(view.bounds) && self.navigationController.viewControllers.count > 1) { // left half
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self.interaction = [UIPercentDrivenInteractiveTransition new];
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[self.navigationController popViewControllerAnimated:YES];
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}
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}
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break;
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case UIGestureRecognizerStateChanged:{
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CGPoint translation = [recognizer translationInView:view];
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CGFloat d = translation.x / view.width;
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[self.interaction updateInteractiveTransition:d];
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}
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break;
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case UIGestureRecognizerStateEnded:
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case UIGestureRecognizerStateCancelled:{
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if ([recognizer locationInView:view].x > view.width * .5f) {
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[self.interaction finishInteractiveTransition];
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} else {
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[self.interaction cancelInteractiveTransition];
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}
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self.interaction = nil;
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}
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break;
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default:
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break;
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}
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}
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#pragma mark - UINavigationControllerDelegate
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- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
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{
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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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}
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- (nullable id <UIViewControllerInteractiveTransitioning>)navigationController:(UINavigationController *)navigationController
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interactionControllerForAnimationController:(id <UIViewControllerAnimatedTransitioning>) animationController
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{
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return self.interaction;
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}
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- (nullable id <UIViewControllerAnimatedTransitioning>)navigationController:(UINavigationController *)navigationController
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animationControllerForOperation:(UINavigationControllerOperation)operation
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fromViewController:(UIViewController *)fromVC
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toViewController:(UIViewController *)toVC
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{
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self.currentOperation = operation;
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self.animator.currentOpearation = operation;
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BOOL cross = [self isUseClearBar:fromVC] || [self isUseClearBar:toVC];
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self.animator.animationType = cross ? NTESNavigationAnimationTypeCross : NTESNavigationAnimationTypeNormal;
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if (operation == UINavigationControllerOperationPop) {
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[fromVC.view.layer addSublayer:self.uiPopShadow];
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}
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return self.animator;
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}
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#pragma mark - UIGestureRecognizerDelegate
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- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
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{
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BOOL forbid = [self isForbidInteractivePop:self.navigationController.topViewController];
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if (forbid || self.isAnimating) {
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return NO;
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}
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UIView* view = gestureRecognizer.view;
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CGPoint location = [gestureRecognizer locationInView:view];
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return location.x < 44.f;
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}
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- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRequireFailureOfGestureRecognizer:(nonnull UIGestureRecognizer *)otherGestureRecognizer
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{
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return [otherGestureRecognizer.view.superview isKindOfClass:[UITableView class]];
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}
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#pragma mark - Get
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- (CAGradientLayer *)uiPopShadow
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{
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if (!_uiPopShadow) {
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_uiPopShadow = [CAGradientLayer layer];
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_uiPopShadow.frame = CGRectMake(-6, 0, 6, [IfishMianTabViewController instance].view.frame.size.height);
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_uiPopShadow.startPoint = CGPointMake(1.0, 0.5);
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_uiPopShadow.endPoint = CGPointMake(0, 0.5);
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_uiPopShadow.colors = [NSArray arrayWithObjects:(id)[[UIColor colorWithWhite:0.0 alpha:0.2f] CGColor], (id)[[UIColor clearColor] CGColor], nil];
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}
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return _uiPopShadow;
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}
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#pragma mark - NTESNavigationAnimatorDelegate
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- (void)animationWillStart:(NTESNavigationAnimator *)animator
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{
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self.isAnimating = YES;
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}
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- (void)animationDidEnd:(NTESNavigationAnimator *)animator
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{
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self.isAnimating = NO;
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}
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#pragma mark - Private
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- (BOOL)isUseClearBar:(UIViewController *)vc
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{
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SEL sel = NSSelectorFromString(@"useClearBar");
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BOOL use = NO;
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if ([vc respondsToSelector:sel]) {
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SuppressPerformSelectorLeakWarning(use = (BOOL)[vc performSelector:sel]);
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}
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return use;
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}
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- (BOOL)isForbidInteractivePop:(UIViewController *)vc{
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SEL sel = NSSelectorFromString(@"forbidInteractivePop");
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BOOL use = NO;
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if ([vc respondsToSelector:sel]) {
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SuppressPerformSelectorLeakWarning(use = (BOOL)[vc performSelector:sel]);
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}
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return use;
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}
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@end
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Reference in New Issue
Block a user