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SoundCloudLoginViewController.swift
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SoundCloudLoginViewController.swift
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//
// SoundCloudLoginViewController.swift
//
//
// Created on 23.02.16.
// Copyright © 2016 steelkiwi. All rights reserved.
//
import UIKit
protocol SoundCloudLoginResultsDelegate: class {
func didSucceed(loginVC: SoundCloudLoginViewController, authResult: AuthenticationResult)
func didFail(loginVC: SoundCloudLoginViewController, error: Error?)
}
class SoundCloudLoginViewController: UIViewController {
fileprivate var authenticator : SoundCloudAuthenticator?
public weak var delegate : SoundCloudLoginResultsDelegate?
@IBOutlet fileprivate weak var webView : UIWebView!
@IBOutlet fileprivate weak var loader : UIActivityIndicatorView!
// MARK: - Init
override func viewDidLoad() {
super.viewDidLoad()
authenticator = SoundCloudAuthenticator(oauthState: OAuthState(
clientId: SoundCloudClientID,
clientSecret: SoundCloudClientSecret,
redirectUri: SoundCloudClientRedirectURI,
responseType: .token))
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
startAuthorization()
}
// MARK: - Private
private func startAuthorization() {
if let authenticator = self.authenticator,
let webView = self.webView {
let url = authenticator.buildLoginURL()
webView.loadRequest(URLRequest(url: url))
}
}
}
// MARK: - UIWebViewDelegate
extension SoundCloudLoginViewController : UIWebViewDelegate {
func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebViewNavigationType) -> Bool {
let url = request.url!
if let authenticator = self.authenticator,
authenticator.isOAuthResponse(url: url) {
dismiss(animated: true, completion: {
if let authResult = authenticator.resultFromAuthenticationResponse(url: url),
let delegate = self.delegate {
delegate.didSucceed(loginVC: self, authResult: authResult)
} else if let delegate = self.delegate {
delegate.didFail(loginVC: self, error: nil)
}
})
return false
}
return true
}
func webViewDidFinishLoad(_ webView: UIWebView) {
loader.isHidden = true
}
func webView(_ webView: UIWebView, didFailLoadWithError error: Error) {
// UI interrupt
if (error as NSError).code != 102 {
self.delegate?.didFail(loginVC: self, error: error)
}
}
}