djid_sirani_ios/Sirani/View/Help/HelpVC.swift

//
//  HelpVC.swift
//  Sirani
//
//  Created by Anhar Solehudin on 24/03/19.
//  Copyright © 2019 Anhar Solehudin. All rights reserved.
//

import UIKit
import WebKit

class HelpVC: UIViewController {

    @IBOutlet weak var dropdown1: UIImageView!
    @IBOutlet weak var lineWv1: UIView!
    @IBOutlet weak var wv1: WKWebView!
    
    // View Lifecycles
    override var preferredStatusBarStyle: UIStatusBarStyle {
        return .lightContent
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let html1 = """
                    <html>
                    <meta name='viewport' content='width=device-width; initial-scale=1.0; maximum-scale=1.0;'>
                    <head>
                        <style type='text/css'>
                            html {-webkit-text-size-adjust: none;}
                            body { font-family: -apple-system, BlinkMacSystemFont, sans-serif; padding: 8px;}
                            .pixel {font-size: 14px}
                        </style>
                    </head>
                    <body>
                        <p class="pixel" align="justify" class="center">
                            <b style="font-size:15px;">Direktorat Standardisasi Perangkat Pos dan Informatika</b>
                            <br>
                            Direktorat Jenderal Sumber Daya dan Perangkat Pos dan Informatika<br>
                            Kementerian Komunikasi dan Informatika - Republik Indonesia<br><br>

                            <b>Loket Pelayanan Terpadu SDPPI</b><br>
                            Wisma Antara Lantai 1<br>
                            Jl. Medan Merdeka Selatan No.17, Gambir, Jakarta Pusat, DKI Jakarta<br>
                            <i class="icon-phone bigger-100"></i> Phone : 159<br>
                            <i class="icon-envelope bigger-100"></i> Email : <a href="mailto:kontak@kominfo.go.id" target="_blank">kontak@kominfo.go.id</a><br>
                        </p>
                    </body>
                    </html>
                    """
        
        wv1.navigationDelegate = self
        wv1.loadHTMLString(html1, baseURL: nil)
    }
    
    @IBAction func onTitleOneTapped(_ sender: Any) {
        if self.wv1.isHidden {
            UIView.animate(withDuration: 0.25, delay: 0, options: .curveEaseOut, animations: {
                self.lineWv1.isHidden = false
                self.lineWv1.layoutIfNeeded()
                self.wv1.isHidden = false
                self.wv1.layoutIfNeeded()
                self.dropdown1.rotates(-.pi)
            })
        } else {
            UIView.animate(withDuration: 0, delay: 0, options: .curveEaseIn, animations: {
                self.lineWv1.isHidden = true
                self.lineWv1.layoutIfNeeded()
                self.wv1.isHidden = true
                self.wv1.layoutIfNeeded()
                self.dropdown1.rotates(0.0)
            })
        }
    }
}

extension UIView {
    func rotates(_ toValue: CGFloat, duration: CFTimeInterval = 0.3) {
        let animation = CABasicAnimation(keyPath: "transform.rotation")
        animation.toValue = toValue
        animation.duration = duration
        animation.isRemovedOnCompletion = false
        animation.fillMode = CAMediaTimingFillMode.forwards
        self.layer.add(animation, forKey: nil)
    }
}

extension HelpVC: WKNavigationDelegate {
    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        if navigationAction.navigationType == .linkActivated {
            guard let url = navigationAction.request.url else {
                decisionHandler(.allow)
                return
            }
            
            let components = URLComponents(url: url, resolvingAgainstBaseURL: false)
            if components?.scheme == "http" || components?.scheme == "https" || components?.scheme == "mailto"
            {
                if UIApplication.shared.canOpenURL(url) {
                    if #available(iOS 10.0, *) {
                        UIApplication.shared.open(url)
                    } else {
                        UIApplication.shared.openURL(url)
                    }
                    decisionHandler(.cancel)
                } else {
                    decisionHandler(.allow)
                }
            } else {
                decisionHandler(.allow)
            }
        } else {
            decisionHandler(.allow)
        }
    }
}