Fare Weather

IntroView.swift

//
//  IntroView.swift
//  Fare Weather
//
//  Created by Jamie Kosoy on 3/8/16.
//  Copyright © 2016 Arbitrary. All rights reserved.
//

import UIKit
import CFAAction
import PromiseKit

final class IntroView : UIView {
    let fareLabel = UILabel()
    let weatherLabel = UILabel()
    let warmerSide = UIView()
    let warmerSideMaskView = UIView()

    override func willMoveToSuperview(newSuperview: UIView?) {
        if let _ = newSuperview {
            initFareLabel()
            initWarmerSide()
            initWarmerSideMaskView()
            initWeatherLabel()

            addSubview(fareLabel)
            addSubview(warmerSide)
            warmerSideMaskView.addSubview(weatherLabel)
            addSubview(warmerSideMaskView)
        }
    }
    
    // MARK: Title
    private func initFareLabel() {
        let font = UIFont.appFontOfSize(36)
        
        fareLabel.text = "fare"
        fareLabel.font = font
        fareLabel.textColor = UIColor.whiteColor()
        fareLabel.sizeToFit()
        fareLabel.frame.origin = CGPoint(x: 0, y: 211)
        fareLabel.center.x = center.x
        
        addSubview(fareLabel)
    }

    private func initWeatherLabel() {
        let font = UIFont.appFontOfSize(36)
        
        weatherLabel.text = "weather"
        weatherLabel.font = font
        weatherLabel.textColor = UIColor.whiteColor()
        weatherLabel.sizeToFit()
        weatherLabel.frame.origin = CGPoint(x: 0, y: fareLabel.frame.origin.y + 19)
        weatherLabel.center.x = (frame.size.width - weatherLabel.frame.size.width) + 12
        
        warmerSideMaskView.addSubview(weatherLabel)
    }

    private func animateFareLabelIn() -> Promise<Void> {
        return Promise { fulfill, reject in
            let toPoint = fareLabel.center
            let fromPoint = CGPoint(x: fareLabel.center.x + 100, y: fareLabel.center.y)
            fareLabel.center = fromPoint
            
            let slide = CFAAction.move(fromPoint: fromPoint, toPoint: toPoint, time: 1.0, easingFunction: ExponentialEaseInOut)

            fareLabel.layer.runAction(slide) {
                fulfill()
            }
        }
    }
    
    private func animateWeatherLabelIn() -> Promise<Void> {
        return Promise { fulfill, reject in
            let toPoint = weatherLabel.center
            let fromPoint = CGPoint(x: weatherLabel.center.x - weatherLabel.frame.size.width, y: weatherLabel.center.y)
            weatherLabel.center = fromPoint

            let slide = CFAAction.move(fromPoint: fromPoint, toPoint: toPoint, time: 1.0, easingFunction: ExponentialEaseInOut)

            weatherLabel.layer.runAction(CFAAction.group([CFAAction.waitForDuration(0.33), slide])) {
                fulfill()
            }
        }
    }

    // MARK: "Warmer" Side
    private func initWarmerSide() {
        let l = warmerSideLayer()
        l.backgroundColor = UIColor.appRedColor().CGColor
        
        warmerSide.layer.addSublayer(l)
        
        addSubview(warmerSide)
    }
    
    private func initWarmerSideMaskView() {
        let maskLayer = warmerSideLayer()
        maskLayer.backgroundColor = UIColor.blackColor().CGColor
        
        warmerSideMaskView.layer.mask = maskLayer

        addSubview(warmerSideMaskView)
    }
    

    private func warmerSideLayer() -> CALayer {
        let warmLayer = CALayer()

        warmLayer.frame = CGRect(origin: CGPointZero, size: CGSize(width: frame.size.width, height: frame.size.height * 1.5))
        warmLayer.position.x = frame.size.width + (frame.size.width / 2) - center.x
        warmLayer.position.y = center.y
        warmLayer.setValue(CGFloat(21).degreesToRadians, forKeyPath: "transform.rotation.z")
        
        return warmLayer
    }

    // MARK: Animation
    func animateIn() -> Promise<Void> {
        return Promise { fulfill, reject in
            when([ animateFareLabelIn(), animateWeatherLabelIn() ]).then { _ -> Void in
                fulfill()
            }
        }
    }
    

}