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//
// ConnectionAnimatedTransition.m
// SmartDeviceLink-iOS
//
// Created by Joel Fischer on 2/18/15.
// Copyright (c) 2015 smartdevicelink. All rights reserved.
//
#import "ConnectionAnimatedTransition.h"
static CGFloat const ChildViewPadding = 16;
static CGFloat const DampingFactor = 0.8;
static CGFloat const InitialSpringVelocity = 0.6;
@implementation ConnectionAnimatedTransition
- (NSTimeInterval)transitionDuration:(id<UIViewControllerContextTransitioning>)transitionContext {
return 0.4;
}
- (void)animateTransition:(id<UIViewControllerContextTransitioning>)transitionContext {
UIViewController *fromViewController = [transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];
UIViewController *toViewController = [transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];
BOOL goingRight = ([transitionContext initialFrameForViewController:toViewController].origin.x < [transitionContext finalFrameForViewController:toViewController].origin.x);
CGFloat travelDistance = [transitionContext containerView].bounds.size.width + ChildViewPadding;
CGAffineTransform travel = CGAffineTransformMakeTranslation((goingRight ? travelDistance : -travelDistance), 0);
[[transitionContext containerView] addSubview:toViewController.view];
toViewController.view.alpha = 0;
toViewController.view.transform = CGAffineTransformInvert(travel);
[UIView animateWithDuration:[self transitionDuration:transitionContext] delay:0 usingSpringWithDamping:DampingFactor initialSpringVelocity:InitialSpringVelocity options:kNilOptions animations:^{
fromViewController.view.transform = travel;
fromViewController.view.alpha = 0;
toViewController.view.transform = [transitionContext targetTransform];
toViewController.view.alpha = 1;
} completion:^(BOOL finished) {
fromViewController.view.transform = [transitionContext targetTransform];
[transitionContext completeTransition:![transitionContext transitionWasCancelled]];
}];
}
@end
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