gistfile1.swift

import Cocoa
import AVFoundation
import AVKit

class A: NSViewController {
    
    var bgMovie: AVPlayerView = AVPlayerView()
    var fileName: String = "Water_Demand_Forecasting"
    
    @IBOutlet var player: AVPlayerView!
    
    @IBOutlet var ZButton: NSButton!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        playVideo(player, fileName: "Water_Demand_Forecasting")
    }
    
    override func viewWillAppear() {
        player.bringSubviewToFront(ZButton)
    }
    
    
    @IBAction func present(sender: NSButton) {
        
        let storyboard = NSStoryboard(name: "Main", bundle: nil)
        
        switch sender.title {
            
        case "Z":
            let vc = storyboard?.instantiateControllerWithIdentifier("B") as! NSViewController
            
            self.showViewController(vc)
            
        default: break
        }
    }

    let swipe = SlideTransitionAnimator()
    
    func showViewController(viewController: NSViewController) {
        // hide all others
        self.dismissAllViewControllers()
        
        
        //self.addChildViewController(viewController)
        // present new viewcontroller
        presentViewController(viewController, animator: swipe)
    }
    
    func dismissAllViewControllers() {
        if let previousVC = self.childViewControllers.last as? NSViewController {
            self.dismissViewController(previousVC)
            previousVC.removeFromParentViewController()
        }
        
    }

    
    ////
    
    @IBAction func presentFade(sender: NSButton) {
        
        let storyboard = NSStoryboard(name: "Main", bundle: nil)
        
        switch sender.title {

        case "Menu":
            let vc = storyboard?.instantiateControllerWithIdentifier("MainVC") as! NSViewController
            self.showViewControllerFade(vc)
            
        default: break
        }
    }

    let animator = FadeTransitionAnimator()
    
    func showViewControllerFade(viewController: NSViewController) {
        // hide all others
        self.dismissAllViewControllers()
        
        
        //self.addChildViewController(viewController)
        // present new viewcontroller
        presentViewController(viewController, animator: animator)
    }
    
    func dismissAllViewControllersFade() {
        if let previousVC = self.childViewControllers.last as? NSViewController {
            self.dismissViewController(previousVC)
            previousVC.removeFromParentViewController()
        }
        
    }


    @IBAction func Rotate(sender: NSButton) {
        var transition:CGAffineTransform = CGAffineTransformMakeRotation(180)
        
        let rotateDeg : CGFloat = 90
//        let rotate : NSAffineTransform = NSAffineTransform.alloc()
//        
//        rotate.rotateByDegrees(rotateDeg)
//        rotate.concat()
        
//        self.view.rotateByAngle(rotateDeg)
    }

    
    func playVideo(bgMovie: AVPlayerView, fileName: String) {
        self.bgMovie = bgMovie
        self.fileName = fileName
        
        // Get the path of the video that will be the background of this screen
        var path = NSBundle.mainBundle().pathForResource(self.fileName, ofType: "mp4")
        
        // Make a player object, and put it into the frame we have
        self.bgMovie.player = AVPlayer(URL: NSURL(fileURLWithPath: path!))
        
        var player = self.bgMovie.player
        
        player.muted = true
        
        // Don't do anything when the video ends
        player.actionAtItemEnd = .None
        
        // Handle the 'video ended' notification
        NSNotificationCenter.defaultCenter().addObserver(self,
            selector: "restartVideo:",
            name: AVPlayerItemDidPlayToEndTimeNotification,
            object: player.currentItem)
        
        player.play()
    }
    
    // Small function to handle the 'restart video' notification
    func restartVideo(sender: AnyObject) {
        self.bgMovie.player.seekToTime(CMTimeMake(0, 1))
        self.bgMovie.player.play()
    }


}

extension NSView {
    func bringSubviewToFront(view: NSView) {
        view.removeFromSuperview()
        self.addSubview(view)
    }
}