foray/ForayLoadingOverlay.swift


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//
//  ForayLoadingOverlay.swift
//  foray
//
//  Created by Nicholas Tay on 21/3/2022.
//

import UIKit

class ForayLoadingOverlay {
    
    var viewController: UIViewController
    
    let loadingIndicator: UIActivityIndicatorView = {
        let aiv = UIActivityIndicatorView(frame: CGRect(x: 10, y: 5, width: 50, height: 50))
        aiv.hidesWhenStopped = true
        aiv.style = UIActivityIndicatorView.Style.medium
        aiv.startAnimating()
        return aiv
    }()
    
    let alert: UIAlertController = UIAlertController(title: nil, message: "Grabbing data...", preferredStyle: .alert)
    
    init(viewController: UIViewController) {
        self.viewController = viewController
        alert.view.addSubview(self.loadingIndicator)
    }
    
    func show() {
        viewController.present(alert, animated: true)
    }
    
    func hide() {
        viewController.dismiss(animated: false)
    }
    
}