/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    An `NSWindowController` subclass to simplify the game's interaction with window resizing on OS X.

*/

import Cocoa

import SpriteKit

class GameWindowController: NSWindowController, NSWindowDelegate {

    // MARK: Properties

    var view: SKView {

        let gameViewController = window!.contentViewController as! GameViewController

        return gameViewController.view as! SKView

    }

    override func awakeFromNib() {

        super.awakeFromNib()

        window?.delegate = self

    }

    // MARK: NSWindowDelegate

    func windowWillStartLiveResize(_ notification: Notification) {

        // Pause the scene while the window resizes if the game is active.

        if let levelScene = view.scene as? LevelScene, levelScene.stateMachine.currentState is LevelSceneActiveState {

            levelScene.isPaused = true

        }

    }

    func windowDidEndLiveResize(_ notification: Notification) {

        // Un-pause the scene when the window stops resizing if the game is active.

        if let levelScene = view.scene as? LevelScene, levelScene.stateMachine.currentState is LevelSceneActiveState {

            levelScene.isPaused = false

        }

    }

    // OS X games that use a single window for the entire game should quit when that window is closed.

    func applicationShouldTerminateAfterLastWindowClosed(sender: NSApplication) -> Bool {

        return true

    }

}