element-ios/Riot/Modules/Authentication/Legacy/SocialLogin/SocialLoginListView.swift

152 lines
5.0 KiB
Swift

//
// Copyright 2020-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import UIKit
import Reusable
@objc protocol SocialLoginListViewDelegate: AnyObject {
func socialLoginListView(_ socialLoginListView: SocialLoginListView, didTapSocialButtonWithProvider identityProvider: SSOIdentityProvider)
}
/// SocialLoginListView displays a list of social login buttons according to a given array of SSO Identity Providers.
@objcMembers
final class SocialLoginListView: UIView, NibLoadable {
// MARK: - Constants
private static let sizingView = SocialLoginListView.instantiate()
private enum Constants {
static let buttonHeight: CGFloat = 44.0
}
// MARK: - Properties
// MARK: Outlets
@IBOutlet private weak var titleLabel: UILabel!
@IBOutlet private weak var buttonsStackView: UIStackView!
// MARK: Private
private let socialButtonFactory: SocialLoginButtonFactory = SocialLoginButtonFactory()
private var theme: Theme!
private var buttons: [SocialLoginButton] = []
private(set) var mode: SocialLoginButtonMode = .continue
// MARK: Public
weak var delegate: SocialLoginListViewDelegate?
// MARK: - Setup
static func instantiate() -> SocialLoginListView {
let view = SocialLoginListView.loadFromNib()
view.theme = ThemeService.shared().theme
return view
}
// MARK: - Public
func update(with identityProviders: [MXLoginSSOIdentityProvider], mode: SocialLoginButtonMode) {
self.mode = mode
let title: String
switch mode {
case .continue:
title = VectorL10n.socialLoginListTitleContinue
case .signIn:
title = VectorL10n.socialLoginListTitleSignIn
case .signUp:
title = VectorL10n.socialLoginListTitleSignUp
}
self.titleLabel.text = title
self.removeButtons()
let buttons = self.socialLoginButtons(for: identityProviders, mode: mode)
for button in buttons {
button.translatesAutoresizingMaskIntoConstraints = false
button.heightAnchor.constraint(equalToConstant: Constants.buttonHeight).isActive = true
self.buttonsStackView.addArrangedSubview(button)
}
self.buttons = buttons
}
static func contentViewHeight(identityProviders: [MXLoginSSOIdentityProvider],
mode: SocialLoginButtonMode,
fitting width: CGFloat) -> CGFloat {
let sizingView = self.sizingView
sizingView.frame = CGRect(x: 0, y: 0, width: width, height: 1)
sizingView.update(with: identityProviders, mode: mode)
sizingView.setNeedsLayout()
sizingView.layoutIfNeeded()
let fittingSize = CGSize(width: width, height: UIView.layoutFittingCompressedSize.height)
return sizingView.systemLayoutSizeFitting(fittingSize).height
}
// MARK: - Private
private func removeButtons() {
self.buttonsStackView.vc_removeAllSubviews()
self.buttons = []
}
private func socialLoginButtons(for identityProviders: [MXLoginSSOIdentityProvider], mode: SocialLoginButtonMode) -> [SocialLoginButton] {
var buttons: [SocialLoginButton] = []
// Order alphabeticaly by Identity Provider identifier
let sortedIdentityProviders = identityProviders.sorted { (firstIdentityProvider, secondIdentityProvider) -> Bool in
if let firstIdentityProviderBrand = firstIdentityProvider.brand, let secondIdentityProviderBrand = secondIdentityProvider.brand {
return firstIdentityProviderBrand < secondIdentityProviderBrand
} else {
return firstIdentityProvider.identifier < secondIdentityProvider.identifier
}
}
for identityProvider in sortedIdentityProviders {
let socialLoginButton = self.socialButtonFactory.build(with: identityProvider, mode: mode)
socialLoginButton.update(theme: self.theme)
socialLoginButton.addTarget(self, action: #selector(socialButtonAction(_:)), for: .touchUpInside)
buttons.append(socialLoginButton)
}
return buttons
}
// MARK: - Action
@objc private func socialButtonAction(_ socialLoginButton: SocialLoginButton) {
guard let provider = socialLoginButton.identityProvider else {
return
}
self.delegate?.socialLoginListView(self, didTapSocialButtonWithProvider: provider)
}
}
// MARK: - Themable
extension SocialLoginListView: Themable {
func update(theme: Theme) {
self.theme = theme
self.titleLabel.textColor = theme.textSecondaryColor
for button in self.buttons {
button.update(theme: theme)
}
}
}