mastodon-ios/Mastodon/Scene/Onboarding/Welcome/WelcomeViewController.swift

122 lines
5.7 KiB
Swift

//
// WelcomeViewController.swift
// Mastodon
//
// Created by BradGao on 2021/2/20.
//
import os.log
import UIKit
final class WelcomeViewController: UIViewController, NeedsDependency {
weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
private(set) lazy var logoImageView: UIImageView = {
let image = view.traitCollection.userInterfaceIdiom == .phone ? Asset.Welcome.mastodonLogo.image : Asset.Welcome.mastodonLogoLarge.image
let imageView = UIImageView(image: image)
imageView.translatesAutoresizingMaskIntoConstraints = false
return imageView
}()
let sloganLabel: UILabel = {
let label = UILabel()
label.font = UIFontMetrics(forTextStyle: .largeTitle).scaledFont(for: .systemFont(ofSize: 34, weight: .bold))
label.textColor = Asset.Colors.Label.primary.color
label.text = L10n.Scene.Welcome.slogan
label.adjustsFontForContentSizeCategory = true
label.translatesAutoresizingMaskIntoConstraints = false
label.numberOfLines = 0
return label
}()
let signUpButton: PrimaryActionButton = {
let button = PrimaryActionButton()
button.setTitle(L10n.Common.Controls.Actions.signUp, for: .normal)
button.translatesAutoresizingMaskIntoConstraints = false
return button
}()
let signInButton: UIButton = {
let button = UIButton(type: .system)
button.titleLabel?.font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 15, weight: .semibold))
button.setTitle(L10n.Common.Controls.Actions.signIn, for: .normal)
button.setTitleColor(Asset.Colors.lightBrandBlue.color, for: .normal)
button.setInsets(forContentPadding: UIEdgeInsets(top: 12, left: 0, bottom: 12, right: 0), imageTitlePadding: 0)
button.translatesAutoresizingMaskIntoConstraints = false
return button
}()
deinit {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
}
}
extension WelcomeViewController {
override func viewDidLoad() {
super.viewDidLoad()
setupOnboardingAppearance()
view.addSubview(logoImageView)
NSLayoutConstraint.activate([
logoImageView.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
logoImageView.leadingAnchor.constraint(equalTo: view.readableContentGuide.leadingAnchor, constant: 35),
view.readableContentGuide.trailingAnchor.constraint(equalTo: logoImageView.trailingAnchor, constant: 35),
logoImageView.heightAnchor.constraint(equalTo: logoImageView.widthAnchor, multiplier: 65.4/265.1),
])
view.addSubview(sloganLabel)
NSLayoutConstraint.activate([
sloganLabel.leadingAnchor.constraint(equalTo: view.readableContentGuide.leadingAnchor, constant: 16),
view.readableContentGuide.trailingAnchor.constraint(equalTo: sloganLabel.trailingAnchor, constant: 16),
sloganLabel.topAnchor.constraint(equalTo: logoImageView.bottomAnchor, constant: 168),
])
view.addSubview(signInButton)
view.addSubview(signUpButton)
NSLayoutConstraint.activate([
signInButton.leadingAnchor.constraint(equalTo: view.readableContentGuide.leadingAnchor, constant: WelcomeViewController.actionButtonMargin),
view.readableContentGuide.trailingAnchor.constraint(equalTo: signInButton.trailingAnchor, constant: WelcomeViewController.actionButtonMargin),
view.layoutMarginsGuide.bottomAnchor.constraint(equalTo: signInButton.bottomAnchor, constant: WelcomeViewController.viewBottomPaddingHeight),
signInButton.heightAnchor.constraint(equalToConstant: WelcomeViewController.actionButtonHeight).priority(.defaultHigh),
signInButton.topAnchor.constraint(equalTo: signUpButton.bottomAnchor, constant: 9),
signUpButton.leadingAnchor.constraint(equalTo: view.readableContentGuide.leadingAnchor, constant: WelcomeViewController.actionButtonMargin),
view.readableContentGuide.trailingAnchor.constraint(equalTo: signUpButton.trailingAnchor, constant: WelcomeViewController.actionButtonMargin),
signUpButton.heightAnchor.constraint(equalToConstant: WelcomeViewController.actionButtonHeight).priority(.defaultHigh),
])
signUpButton.addTarget(self, action: #selector(signUpButtonDidClicked(_:)), for: .touchUpInside)
signInButton.addTarget(self, action: #selector(signInButtonDidClicked(_:)), for: .touchUpInside)
}
override var preferredStatusBarStyle: UIStatusBarStyle { return .darkContent }
}
extension WelcomeViewController {
@objc
private func signUpButtonDidClicked(_ sender: UIButton) {
coordinator.present(scene: .mastodonPickServer(viewMode: MastodonPickServerViewModel(context: context, mode: .signUp)), from: self, transition: .show)
}
@objc
private func signInButtonDidClicked(_ sender: UIButton) {
coordinator.present(scene: .mastodonPickServer(viewMode: MastodonPickServerViewModel(context: context, mode: .signIn)), from: self, transition: .show)
}
}
// MARK: - OnboardingViewControllerAppearance
extension WelcomeViewController: OnboardingViewControllerAppearance { }
// MARK: - UIAdaptivePresentationControllerDelegate
extension WelcomeViewController: UIAdaptivePresentationControllerDelegate {
func adaptivePresentationStyle(for controller: UIPresentationController, traitCollection: UITraitCollection) -> UIModalPresentationStyle {
return .fullScreen
}
}