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//
// NCIntroViewController.swift
// Nextcloud
//
// Created by Philippe Weidmann on 24.12.19.
// Copyright © 2019 Philippe Weidmann. All rights reserved.
// Copyright © 2019 Marino Faggiana All rights reserved.
//
// Author Philippe Weidmann
// Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
class NCIntroViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
@IBOutlet weak var buttonLogin: UIButton!
@IBOutlet weak var buttonSignUp: UIButton!
@IBOutlet weak var buttonHost: UIButton!
@IBOutlet weak var introCollectionView: UICollectionView!
@IBOutlet weak var pageControl: UIPageControl!
@objc weak var delegate: NCIntroViewController?
private let appDelegate = UIApplication.shared.delegate as! AppDelegate
private let titles = [NSLocalizedString("_intro_1_title_", comment: ""), NSLocalizedString("_intro_2_title_", comment: ""), NSLocalizedString("_intro_3_title_", comment: ""), NSLocalizedString("_intro_4_title_", comment: "")]
private let images = [UIImage(named: "intro1"), UIImage(named: "intro2"), UIImage(named: "intro3"), UIImage(named: "intro4")]
private var timerAutoScroll: Timer?
private var textColor: UIColor = .white
private var textColorOpponent: UIColor = .black
// MARK: - View Life Cycle
override func viewDidLoad() {
super.viewDidLoad()
let isTooLight = NCBrandColor.shared.customer.isTooLight()
let isTooDark = NCBrandColor.shared.customer.isTooDark()
if isTooLight {
textColor = .black
textColorOpponent = .white
} else if isTooDark {
textColor = .white
textColorOpponent = .black
} else {
textColor = .white
textColorOpponent = .black
}
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithTransparentBackground()
navBarAppearance.shadowColor = .clear
navBarAppearance.shadowImage = UIImage()
self.navigationController?.navigationBar.standardAppearance = navBarAppearance
self.navigationController?.view.backgroundColor = NCBrandColor.shared.customer
self.navigationController?.navigationBar.tintColor = textColor
pageControl.currentPageIndicatorTintColor = textColor
pageControl.pageIndicatorTintColor = .lightGray
buttonLogin.layer.cornerRadius = 20
buttonLogin.setTitleColor(NCBrandColor.shared.customer, for: .normal)
buttonLogin.backgroundColor = textColor
buttonLogin.setTitle(NSLocalizedString("_log_in_", comment: ""), for: .normal)
buttonSignUp.layer.cornerRadius = 20
buttonSignUp.layer.borderColor = textColor.cgColor
buttonSignUp.layer.borderWidth = 1.0
buttonSignUp.setTitleColor(textColor, for: .normal)
buttonSignUp.backgroundColor = NCBrandColor.shared.customer
buttonSignUp.titleLabel?.adjustsFontSizeToFitWidth = true
buttonSignUp.titleEdgeInsets = UIEdgeInsets(top: 0, left: 10, bottom: 0, right: 10)
buttonSignUp.setTitle(NSLocalizedString("_sign_up_", comment: ""), for: .normal)
buttonHost.layer.cornerRadius = 20
buttonHost.setTitle(NSLocalizedString("_host_your_own_server", comment: ""), for: .normal)
buttonHost.setTitleColor(textColor.withAlphaComponent(0.5), for: .normal)
introCollectionView.register(UINib(nibName: "NCIntroCollectionViewCell", bundle: nil), forCellWithReuseIdentifier: "introCell")
introCollectionView.dataSource = self
introCollectionView.delegate = self
introCollectionView.backgroundColor = NCBrandColor.shared.customer
pageControl.numberOfPages = self.titles.count
view.backgroundColor = NCBrandColor.shared.customer
timerAutoScroll = Timer.scheduledTimer(timeInterval: 5, target: self, selector: (#selector(NCIntroViewController.autoScroll)), userInfo: nil, repeats: true)
}
override var preferredStatusBarStyle: UIStatusBarStyle {
if traitCollection.userInterfaceStyle == .light {
return .lightContent
} else {
return .darkContent
}
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
timerAutoScroll?.invalidate()
}
override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
pageControl.currentPage = 0
introCollectionView.collectionViewLayout.invalidateLayout()
}
@objc func autoScroll() {
if pageControl.currentPage + 1 >= titles.count {
pageControl.currentPage = 0
} else {
pageControl.currentPage += 1
}
introCollectionView.scrollToItem(at: IndexPath(row: pageControl.currentPage, section: 0), at: .centeredHorizontally, animated: true)
}
func collectionView(_ collectionView: UICollectionView, targetContentOffsetForProposedContentOffset proposedContentOffset: CGPoint) -> CGPoint {
return CGPoint.zero
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return titles.count
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "introCell", for: indexPath) as! NCIntroCollectionViewCell
cell.backgroundColor = NCBrandColor.shared.customer
cell.titleLabel.textColor = textColor
cell.titleLabel.text = titles[indexPath.row]
cell.imageView.image = images[indexPath.row]
return cell
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
return collectionView.bounds.size
}
func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
timerAutoScroll = Timer.scheduledTimer(timeInterval: 5, target: self, selector: (#selector(NCIntroViewController.autoScroll)), userInfo: nil, repeats: true)
pageControl.currentPage = Int(scrollView.contentOffset.x) / Int(scrollView.frame.width)
}
func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
timerAutoScroll?.invalidate()
}
@IBAction func login(_ sender: Any) {
appDelegate.openLogin(viewController: navigationController, selector: NCGlobal.shared.introLogin, openLoginWeb: false)
}
@IBAction func signup(_ sender: Any) {
appDelegate.openLogin(viewController: navigationController, selector: NCGlobal.shared.introSignup, openLoginWeb: false)
}
@IBAction func host(_ sender: Any) {
guard let url = URL(string: NCBrandOptions.shared.linkLoginHost) else { return }
UIApplication.shared.open(url)
}
}
extension UINavigationController {
open override var childForStatusBarStyle: UIViewController? {
return topViewController?.childForStatusBarStyle ?? topViewController
}
}
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