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TrafficLightViewController.m
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TrafficLightViewController.m
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//
// TrafficLightViewController.m
// TrafficLight
//
// Created by Eelco Lempsink on 16-09-11.
// Copyright 2011 Unsolicited Code. All rights reserved.
//
#import "TrafficLightViewController.h"
#import <QuartzCore/CoreAnimation.h>
#import "LightsLayer.h"
@interface TrafficLightViewController ()
@property (nonatomic,retain) CALayer* backgroundLayer;
@property (nonatomic,retain) LightsLayer* lightsLayer;
@end
@implementation TrafficLightViewController
@synthesize backgroundLayer = _backgroundLayer;
@synthesize lightsLayer = _lightsLayer;
- (void)dealloc {
self.backgroundLayer = nil;
self.lightsLayer = nil;
[super dealloc];
}
#pragma mark - View lifecycle
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
[super viewDidLoad];
self.view.backgroundColor = [UIColor blackColor];
CALayer* backgroundLayer = [CALayer layer];
backgroundLayer.frame = CGRectInset(self.view.bounds, 100, 50);
backgroundLayer.backgroundColor = [[UIColor blackColor] CGColor];
backgroundLayer.borderColor = [[UIColor whiteColor] CGColor];
backgroundLayer.borderWidth = 25;
backgroundLayer.cornerRadius = backgroundLayer.frame.size.width / 2;
[self.view.layer addSublayer:backgroundLayer];
self.backgroundLayer = backgroundLayer;
LightsLayer* lightsLayer = [LightsLayer layer];
lightsLayer.frame = CGRectInset(backgroundLayer.bounds, 20, 100);
[lightsLayer setState:LightsLayerStateGo];
[backgroundLayer addSublayer:lightsLayer];
self.lightsLayer = lightsLayer;
[self.view addGestureRecognizer:
[[[UITapGestureRecognizer alloc]
initWithTarget:self action:@selector(tapped)]
autorelease]];
}
- (void)tapped {
[self.lightsLayer removeAllAnimations];
static BOOL toggler = YES;
if (toggler) {
CAKeyframeAnimation* animation = [CAKeyframeAnimation
animationWithKeyPath:@"state"];
animation.values = [NSArray arrayWithObjects:
[NSNumber numberWithInt:LightsLayerStateHurry],
[NSNumber numberWithInt:LightsLayerStateStop],
nil];
animation.calculationMode = kCAAnimationDiscrete;
animation.duration = 3;
[self.lightsLayer addAnimation:animation forKey:nil];
} else {
[self.lightsLayer setState:LightsLayerStateGo];
}
toggler = !toggler;
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return YES;
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
@end