HaiwaiAdv2/NatureSDK/XenonSDK/XenonOther/NavigationAnimator.m

//
//  NavigationAnimator.m
//  XenonSDK
//
//  Created by SAGESSE on 2019/5/29.
//  Copyright © 2019 SAGESSE. All rights reserved.
//

#import "NavigationAnimator.h"

#import "BaseViewController.h"

@interface NavigationAnimator ()
@property UINavigationControllerOperation operation;
@property UILabel* titleView;
@end

@implementation NavigationAnimator

- (instancetype)initWithOperation:(UINavigationControllerOperation)operation titleView:(UILabel*)titleView {
    self = [super init];
    self.operation = operation;
    self.titleView = titleView;
    return self;
}



- (void)animateTransition:(nonnull id<UIViewControllerContextTransitioning>)transitionContext {

    UIView* fromView = [transitionContext viewForKey:UITransitionContextFromViewKey];
    UIView* toView = [transitionContext viewForKey:UITransitionContextToViewKey];
    
    if (self.titleView != nil) {
        UIViewController* viewController = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
        if ([viewController isKindOfClass:BaseViewController.self]) {
            self.titleView.text = [(BaseViewController*)viewController topTitle];
        }
    }
    
    switch (self.operation) {
        case UINavigationControllerOperationPush: {
            
            toView.frame = fromView.frame;
            toView.transform = CGAffineTransformMakeTranslation(toView.frame.size.width, 0);
            fromView.transform = CGAffineTransformIdentity;
            [transitionContext.containerView addSubview:toView];
            
            [UIView animateWithDuration:[self transitionDuration:transitionContext] delay:0 usingSpringWithDamping:100 initialSpringVelocity:0 options:0 animations:^{
                
                fromView.transform = CGAffineTransformMakeTranslation(-toView.frame.size.width, 0);
                toView.transform = CGAffineTransformIdentity;
                
            } completion:^(BOOL finished) {
                
                fromView.transform = CGAffineTransformIdentity;
                [fromView removeFromSuperview];
                [transitionContext completeTransition:YES];
            }];

            break;
        }
        case UINavigationControllerOperationPop: {
            
            
            toView.frame = fromView.frame;
            toView.transform = CGAffineTransformMakeTranslation(-toView.frame.size.width, 0);
            fromView.transform = CGAffineTransformIdentity;
            [transitionContext.containerView addSubview:toView];
            
            [UIView animateWithDuration:[self transitionDuration:transitionContext] delay:0 usingSpringWithDamping:100 initialSpringVelocity:0 options:0 animations:^{
                
                fromView.transform = CGAffineTransformMakeTranslation(toView.frame.size.width, 0);
                toView.transform = CGAffineTransformIdentity;
                
            } completion:^(BOOL finished) {
                
                fromView.transform = CGAffineTransformIdentity;
                [fromView removeFromSuperview];
                [transitionContext completeTransition:YES];
            }];

            break;
        }
        default:
            break;
    }
}

- (NSTimeInterval)transitionDuration:(nullable id<UIViewControllerContextTransitioning>)transitionContext {
    return 0.25;
}

@end