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//
// ConnectionTransitionContext.m
// SmartDeviceLink-iOS
//
// Created by Joel Fischer on 2/18/15.
// Copyright (c) 2015 smartdevicelink. All rights reserved.
//
#import "ConnectionTransitionContext.h"
@interface ConnectionTransitionContext ()
@property (assign, nonatomic) UIModalTransitionStyle presentationStyle;
@property (weak, nonatomic) UIView *containerView;
@property (strong, nonatomic) NSDictionary *viewControllers;
@property (assign, nonatomic) CGRect disappearingFromRect;
@property (assign, nonatomic) CGRect disappearingToRect;
@property (assign, nonatomic) CGRect appearingFromRect;
@property (assign, nonatomic) CGRect appearingToRect;
@property (copy, nonatomic) TransitionCompleteBlock block;
@end
@implementation ConnectionTransitionContext
- (instancetype)initWithFromViewController:(UIViewController *)fromViewController toViewController:(UIViewController *)toViewController direction:(ConnectionTransitionDirection)direction transitionComplete:(TransitionCompleteBlock)completion {
NSAssert((fromViewController.isViewLoaded && fromViewController.view.superview), @"The fromViewController must reside in the container view when initializing the transition context");
self = [super init];
if (!self) {
return nil;
}
self.presentationStyle = UIModalPresentationCustom;
self.containerView = fromViewController.view.superview;
self.viewControllers = @{
UITransitionContextFromViewControllerKey: fromViewController,
UITransitionContextToViewControllerKey: toViewController
};
CGFloat travelDistance = (direction == ConnectionTransitionDirectionRight) ? -self.containerView.bounds.size.width : self.containerView.bounds.size.width;
self.disappearingFromRect = self.appearingToRect = self.containerView.bounds;
self.disappearingToRect = CGRectOffset(self.containerView.bounds, travelDistance, 0);
self.appearingFromRect = CGRectOffset(self.containerView.bounds, -travelDistance, 0);
self.block = completion;
return self;
}
#pragma mark - UIViewControllerContextTransitioning
- (CGRect)initialFrameForViewController:(UIViewController *)vc {
if (vc == [self viewControllerForKey:UITransitionContextFromViewControllerKey]) {
return self.disappearingFromRect;
} else {
return self.appearingFromRect;
}
}
- (CGRect)finalFrameForViewController:(UIViewController *)vc {
if (vc == [self viewControllerForKey:UITransitionContextFromViewControllerKey]) {
return self.disappearingToRect;
} else {
return self.appearingToRect;
}
}
- (UIViewController *)viewControllerForKey:(NSString *)key {
return self.viewControllers[key];
}
- (void)completeTransition:(BOOL)didComplete {
if (self.block != NULL) {
self.block(didComplete);
}
}
- (BOOL)transitionWasCancelled {
return NO; // TODO: If made interactive, it can be cancelled
}
- (UIView *)viewForKey:(NSString *)key {
UIViewController *viewController = nil;
if ([key isEqualToString:UITransitionContextFromViewControllerKey]) {
viewController = [self viewControllerForKey:UITransitionContextFromViewControllerKey];
} else {
viewController = [self viewControllerForKey:UITransitionContextToViewControllerKey];
}
return viewController.view;
}
- (CGAffineTransform)targetTransform {
return CGAffineTransformIdentity;
}
#pragma mark Interactive Transition
- (void)updateInteractiveTransition:(CGFloat)percentComplete {}
- (void)finishInteractiveTransition {}
- (void)cancelInteractiveTransition {}
@end
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