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//
// LoginViewController.swift
// MullvadVPN
//
// Created by pronebird on 19/03/2019.
// Copyright © 2019 Amagicom AB. All rights reserved.
//
import UIKit
class LoginViewController: UIViewController, HeaderBarViewControllerDelegate {
@IBOutlet var keyboardToolbar: UIToolbar!
@IBOutlet var accountTextField: UITextField!
@IBOutlet var loginForm: UIView!
@IBOutlet var loginFormWrapperBottomConstraint: NSLayoutConstraint!
override var preferredStatusBarStyle: UIStatusBarStyle {
return .lightContent
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if case .embedHeader? = SegueIdentifier.Login.from(segue: segue) {
let headerBarController = segue.destination as? HeaderBarViewController
headerBarController?.delegate = self
}
}
override func viewDidLoad() {
super.viewDidLoad()
accountTextField.inputAccessoryView = keyboardToolbar
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: UIWindow.keyboardWillShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillChangeFrame(_:)), name: UIWindow.keyboardWillChangeFrameNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: UIWindow.keyboardWillHideNotification, object: nil)
}
// MARK: - HeaderBarViewControllerDelegate
func headerBarViewControllerShouldOpenSettings(_ controller: HeaderBarViewController) {
performSegue(withIdentifier: SegueIdentifier.Login.showSettings.rawValue, sender: self)
}
// MARK: - Keyboard notifications
@objc private func keyboardWillShow(_ notification: Notification) {
guard let keyboardFrameValue = notification.userInfo?[UIWindow.keyboardFrameEndUserInfoKey] as? NSValue else { return }
makeLoginFormVisible(keyboardFrame: keyboardFrameValue.cgRectValue)
}
@objc private func keyboardWillChangeFrame(_ notification: Notification) {
guard let keyboardFrameValue = notification.userInfo?[UIWindow.keyboardFrameEndUserInfoKey] as? NSValue else { return }
makeLoginFormVisible(keyboardFrame: keyboardFrameValue.cgRectValue)
}
@objc private func keyboardWillHide(_ notification: Notification) {
loginFormWrapperBottomConstraint.constant = 0
view.layoutIfNeeded()
}
// MARK: - IBActions
@IBAction func cancelLogin() {
view.endEditing(true)
}
@IBAction func doLogin() {
view.endEditing(true)
// TODO: Add the code to initiate the log in
performSegue(withIdentifier: "ShowConnect", sender: self)
}
// MARK: - Private
private func makeLoginFormVisible(keyboardFrame: CGRect) {
let convertedKeyboardFrame = view.convert(keyboardFrame, from: nil)
let (_, remainder) = view.frame.divided(atDistance: convertedKeyboardFrame.minY, from: CGRectEdge.minYEdge)
loginFormWrapperBottomConstraint.constant = remainder.height
view.layoutIfNeeded()
}
}
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