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mastodon-app-ufficiale-ipho.../ShareActionExtension/Scene/View/ComposeToolbarView.swift

260 lines
10 KiB
Swift

//
// ComposeToolbarView.swift
// ShareActionExtension
//
// Created by MainasuK Cirno on 2021-7-19.
//
import os.log
import UIKit
import Combine
import MastodonSDK
import MastodonUI
protocol ComposeToolbarViewDelegate: AnyObject {
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, contentWarningButtonDidPressed sender: UIButton)
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, visibilityButtonDidPressed sender: UIButton, visibilitySelectionType type: ComposeToolbarView.VisibilitySelectionType)
}
final class ComposeToolbarView: UIView {
var disposeBag = Set<AnyCancellable>()
static let toolbarButtonSize: CGSize = CGSize(width: 44, height: 44)
static let toolbarHeight: CGFloat = 44
weak var delegate: ComposeToolbarViewDelegate?
let contentWarningButton: UIButton = {
let button = HighlightDimmableButton()
ComposeToolbarView.configureToolbarButtonAppearance(button: button)
button.setImage(UIImage(systemName: "exclamationmark.shield", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular)), for: .normal)
button.accessibilityLabel = L10n.Scene.Compose.Accessibility.enableContentWarning
return button
}()
let visibilityButton: UIButton = {
let button = HighlightDimmableButton()
ComposeToolbarView.configureToolbarButtonAppearance(button: button)
button.setImage(UIImage(systemName: "person.3", withConfiguration: UIImage.SymbolConfiguration(pointSize: 15, weight: .medium)), for: .normal)
button.accessibilityLabel = L10n.Scene.Compose.Accessibility.postVisibilityMenu
return button
}()
let characterCountLabel: UILabel = {
let label = UILabel()
label.font = .systemFont(ofSize: 15, weight: .regular)
label.text = "500"
label.textColor = Asset.Colors.Label.secondary.color
label.accessibilityLabel = L10n.A11y.Plural.Count.inputLimitRemains(500)
return label
}()
let activeVisibilityType = CurrentValueSubject<VisibilitySelectionType, Never>(.public)
override init(frame: CGRect) {
super.init(frame: frame)
_init()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
_init()
}
}
extension ComposeToolbarView {
private func _init() {
setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
ThemeService.shared.currentTheme
.receive(on: DispatchQueue.main)
.sink { [weak self] theme in
guard let self = self else { return }
self.setupBackgroundColor(theme: theme)
}
.store(in: &disposeBag)
let stackView = UIStackView()
stackView.axis = .horizontal
stackView.spacing = 0
stackView.distribution = .fillEqually
stackView.translatesAutoresizingMaskIntoConstraints = false
addSubview(stackView)
NSLayoutConstraint.activate([
stackView.centerYAnchor.constraint(equalTo: centerYAnchor),
layoutMarginsGuide.leadingAnchor.constraint(equalTo: stackView.leadingAnchor, constant: 8), // tweak button margin offset
])
let buttons = [
contentWarningButton,
visibilityButton,
]
buttons.forEach { button in
button.translatesAutoresizingMaskIntoConstraints = false
stackView.addArrangedSubview(button)
NSLayoutConstraint.activate([
button.widthAnchor.constraint(equalToConstant: 44),
button.heightAnchor.constraint(equalToConstant: 44),
])
}
characterCountLabel.translatesAutoresizingMaskIntoConstraints = false
addSubview(characterCountLabel)
NSLayoutConstraint.activate([
characterCountLabel.topAnchor.constraint(equalTo: topAnchor),
characterCountLabel.leadingAnchor.constraint(greaterThanOrEqualTo: stackView.trailingAnchor, constant: 8),
characterCountLabel.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
characterCountLabel.bottomAnchor.constraint(equalTo: bottomAnchor),
])
characterCountLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
contentWarningButton.addTarget(self, action: #selector(ComposeToolbarView.contentWarningButtonDidPressed(_:)), for: .touchUpInside)
visibilityButton.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
visibilityButton.showsMenuAsPrimaryAction = true
updateToolbarButtonUserInterfaceStyle()
// update menu when selected visibility type changed
activeVisibilityType
.receive(on: RunLoop.main)
.sink { [weak self] type in
guard let self = self else { return }
self.visibilityButton.menu = self.createVisibilityContextMenu(interfaceStyle: self.traitCollection.userInterfaceStyle)
}
.store(in: &disposeBag)
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
updateToolbarButtonUserInterfaceStyle()
}
}
extension ComposeToolbarView {
private func setupBackgroundColor(theme: Theme) {
backgroundColor = theme.composeToolbarBackgroundColor
}
}
extension ComposeToolbarView {
enum MediaSelectionType: String {
case camera
case photoLibrary
case browse
}
enum VisibilitySelectionType: String, CaseIterable {
case `public`
// TODO: remove unlisted option from codebase
// case unlisted
case `private`
case direct
var title: String {
switch self {
case .public: return L10n.Scene.Compose.Visibility.public
// case .unlisted: return L10n.Scene.Compose.Visibility.unlisted
case .private: return L10n.Scene.Compose.Visibility.private
case .direct: return L10n.Scene.Compose.Visibility.direct
}
}
func image(interfaceStyle: UIUserInterfaceStyle) -> UIImage {
switch self {
case .public: return UIImage(systemName: "globe", withConfiguration: UIImage.SymbolConfiguration(pointSize: 19, weight: .medium))!
// case .unlisted: return UIImage(systemName: "eye.slash", withConfiguration: UIImage.SymbolConfiguration(pointSize: 18, weight: .regular))!
case .private:
switch interfaceStyle {
case .light: return UIImage(systemName: "person.3", withConfiguration: UIImage.SymbolConfiguration(pointSize: 15, weight: .medium))!
default: return UIImage(systemName: "person.3.fill", withConfiguration: UIImage.SymbolConfiguration(pointSize: 15, weight: .medium))!
}
case .direct: return UIImage(systemName: "at", withConfiguration: UIImage.SymbolConfiguration(pointSize: 19, weight: .regular))!
}
}
var visibility: Mastodon.Entity.Status.Visibility {
switch self {
case .public: return .public
// case .unlisted: return .unlisted
case .private: return .private
case .direct: return .direct
}
}
}
}
extension ComposeToolbarView {
private static func configureToolbarButtonAppearance(button: UIButton) {
button.tintColor = Asset.Colors.brandBlue.color
button.setBackgroundImage(.placeholder(size: ComposeToolbarView.toolbarButtonSize, color: .systemFill), for: .highlighted)
button.layer.masksToBounds = true
button.layer.cornerRadius = 5
button.layer.cornerCurve = .continuous
}
private func updateToolbarButtonUserInterfaceStyle() {
switch traitCollection.userInterfaceStyle {
case .light:
contentWarningButton.setImage(UIImage(systemName: "exclamationmark.shield", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
case .dark:
contentWarningButton.setImage(UIImage(systemName: "exclamationmark.shield.fill", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
default:
assertionFailure()
}
visibilityButton.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
}
private func createVisibilityContextMenu(interfaceStyle: UIUserInterfaceStyle) -> UIMenu {
let children: [UIMenuElement] = VisibilitySelectionType.allCases.map { type in
let state: UIMenuElement.State = activeVisibilityType.value == type ? .on : .off
return UIAction(title: type.title, image: type.image(interfaceStyle: interfaceStyle), identifier: nil, discoverabilityTitle: nil, attributes: [], state: state) { [weak self] action in
guard let self = self else { return }
os_log(.info, "%{public}s[%{public}ld], %{public}s: visibilitySelectionType: %s", ((#file as NSString).lastPathComponent), #line, #function, type.rawValue)
self.delegate?.composeToolbarView(self, visibilityButtonDidPressed: self.visibilityButton, visibilitySelectionType: type)
}
}
return UIMenu(title: "", image: nil, identifier: nil, options: .displayInline, children: children)
}
}
extension ComposeToolbarView {
@objc private func contentWarningButtonDidPressed(_ sender: UIButton) {
os_log(.info, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
delegate?.composeToolbarView(self, contentWarningButtonDidPressed: sender)
}
}
#if canImport(SwiftUI) && DEBUG
import SwiftUI
struct ComposeToolbarView_Previews: PreviewProvider {
static var previews: some View {
UIViewPreview(width: 375) {
let toolbarView = ComposeToolbarView()
toolbarView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
toolbarView.widthAnchor.constraint(equalToConstant: 375).priority(.defaultHigh),
toolbarView.heightAnchor.constraint(equalToConstant: 64).priority(.defaultHigh),
])
return toolbarView
}
.previewLayout(.fixed(width: 375, height: 100))
}
}
#endif