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//
// ConnectionContainerViewController.m
// SmartDeviceLink-iOS
#import "ConnectionContainerViewController.h"
#import "ConnectionTCPTableViewController.h"
#import "ConnectionIAPTableViewController.h"
#import "ConnectionTransitionContext.h"
#import "ConnectionAnimatedTransition.h"
@interface ConnectionContainerViewController ()
@property (weak, nonatomic) IBOutlet UISegmentedControl *connectionTypeSegmentedControl;
@property (strong, nonatomic) NSArray<UIViewController *> *viewControllers;
@property (strong, nonatomic) UIViewController *currentViewController;
@property (strong, nonatomic) UIPanGestureRecognizer *panGestureRecognizer;
@end
@implementation ConnectionContainerViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBar.translucent = NO;
// Setup the child VCs
UIStoryboard *tcpControllerStoryboard = [UIStoryboard storyboardWithName:@"ConnectionTCPTableViewController" bundle:[NSBundle mainBundle]];
UIStoryboard *iapControllerStoryboard = [UIStoryboard storyboardWithName:@"ConnectionIAPTableViewController" bundle:[NSBundle mainBundle]];
ConnectionTCPTableViewController *tcpController = [tcpControllerStoryboard instantiateInitialViewController];
ConnectionIAPTableViewController *iapController = [iapControllerStoryboard instantiateInitialViewController];
self.viewControllers = @[tcpController, iapController];
// Setup the pan gesture
self.panGestureRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panGestureRecognizerDidFire:)];
[self.view addGestureRecognizer:self.panGestureRecognizer];
// Setup initial view controller state
self.connectionTypeSegmentedControl.selectedSegmentIndex = 0;
[self loadInitialChildViewController];
}
- (void)loadInitialChildViewController {
// On the initial load, we just add the new child VC with no animation
UIViewController *initialViewController = self.viewControllers[0];
[self addChildViewController:initialViewController];
[self.view addSubview:initialViewController.view];
[initialViewController didMoveToParentViewController:self];
self.currentViewController = initialViewController;
}
#pragma mark - IBActions
- (IBAction)connectionTypeSegmentedControlSelectedIndexDidChange:(UISegmentedControl *)sender {
[self transitionToViewControllerForSelectedIndex:sender.selectedSegmentIndex];
}
#pragma mark - Gestures
- (void)panGestureRecognizerDidFire:(UIPanGestureRecognizer *)gesture {
BOOL goingRight = ([gesture velocityInView:gesture.view].x < 0.0f);
NSUInteger currentSegmentIndex = self.connectionTypeSegmentedControl.selectedSegmentIndex;
if (goingRight && (currentSegmentIndex != self.viewControllers.count - 1)) {
// If we're swiping left (going right) and current segment is not all the way to the right
NSUInteger nextIndex = currentSegmentIndex + 1;
self.connectionTypeSegmentedControl.selectedSegmentIndex = nextIndex;
[self transitionToViewControllerForSelectedIndex:nextIndex];
} else if (!goingRight && (currentSegmentIndex > 0)) {
// If we're swiping right (going left) and the current segment is not all the way to the left
NSUInteger nextIndex = currentSegmentIndex - 1;
self.connectionTypeSegmentedControl.selectedSegmentIndex = nextIndex;
[self transitionToViewControllerForSelectedIndex:nextIndex];
}
}
#pragma mark - Private API
- (void)transitionToViewControllerForSelectedIndex:(NSInteger)selectedIndex {
UIViewController *toViewController = self.viewControllers[selectedIndex];
if (toViewController == nil || toViewController == self.currentViewController) {
return;
}
[self.currentViewController willMoveToParentViewController:nil];
[self addChildViewController:toViewController];
id<UIViewControllerAnimatedTransitioning> animator = [[ConnectionAnimatedTransition alloc] init];
NSUInteger fromIndex = [self.viewControllers indexOfObject:self.currentViewController];
ConnectionTransitionContext *transitionContext = [[ConnectionTransitionContext alloc] initWithFromViewController:self.currentViewController toViewController:toViewController direction:((selectedIndex > fromIndex) ? ConnectionTransitionDirectionRight : ConnectionTransitionDirectionLeft) transitionComplete:^(BOOL didComplete) {
[self.currentViewController.view removeFromSuperview];
[self.currentViewController removeFromParentViewController];
[toViewController didMoveToParentViewController:self];
if ([animator respondsToSelector:@selector(animationEnded:)]) {
[animator animationEnded:didComplete];
}
self.connectionTypeSegmentedControl.userInteractionEnabled = YES;
self.currentViewController = toViewController;
}];
transitionContext.animated = YES;
transitionContext.interactive = NO;
self.connectionTypeSegmentedControl.userInteractionEnabled = NO;
[animator animateTransition:transitionContext];
}
@end
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