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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
import ComponentLibrary
import Common
import Foundation
import UIKit
class ContextualHintViewViewController: UIViewController, Themeable {
private lazy var hintView: ContextualHintView = .build { _ in }
private struct UX {
static let contextualHintWidth: CGFloat = 350
static let contextualHintLandscapeExtraWidth: CGFloat = 60
}
var themeManager: ThemeManager
var themeListenerCancellable: Any?
var themeObserver: NSObjectProtocol?
var notificationCenter: NotificationProtocol = NotificationCenter.default
init(themeManager: ThemeManager = AppContainer.shared.resolve()) {
self.themeManager = themeManager
super.init(nibName: nil, bundle: nil)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
listenForThemeChanges(withNotificationCenter: notificationCenter)
applyTheme()
var viewModel = ContextualHintViewModel(
actionButtonTitle: "This button has an action",
title: "CFR title",
description: "This contextual hint gives you some context about a random feature",
arrowDirection: .up,
closeButtonA11yLabel: "a11yButton",
actionButtonA11yId: "a11yButtonId"
)
viewModel.closeButtonAction = { [weak self] _ in
self?.dismiss(animated: true, completion: nil)
}
viewModel.actionButtonAction = { [weak self] _ in
// The action would be done here, now just dismiss the CFR
self?.dismiss(animated: true, completion: nil)
}
hintView.configure(viewModel: viewModel)
hintView.applyTheme(theme: themeManager.currentTheme)
setupView()
}
func configure(anchor: UIView,
popOverDelegate: UIPopoverPresentationControllerDelegate) {
modalPresentationStyle = .popover
popoverPresentationController?.sourceView = anchor
popoverPresentationController?.permittedArrowDirections = .up
popoverPresentationController?.delegate = popOverDelegate
}
private func setupView() {
view.addSubview(hintView)
NSLayoutConstraint.activate([
hintView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
hintView.topAnchor.constraint(equalTo: view.topAnchor),
hintView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
hintView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
])
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
let targetSize = CGSize(width: UX.contextualHintWidth, height: UIView.layoutFittingCompressedSize.height)
var systemSize = hintView.systemLayoutSizeFitting(targetSize)
if UIDevice.current.orientation.isLandscape {
systemSize.width += UX.contextualHintLandscapeExtraWidth
}
preferredContentSize = systemSize
}
// MARK: Themeable
func applyTheme() {}
// MARK: View Transitions
override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
super.viewWillTransition(to: size, with: coordinator)
self.view.setNeedsLayout()
}
}