mastodon-ios/Mastodon/Scene/Compose/View/ComposeToolbarView.swift

383 lines
18 KiB
Swift

//
// ComposeToolbarView.swift
// Mastodon
//
// Created by MainasuK Cirno on 2021-3-12.
//
import os.log
import UIKit
import Combine
import MastodonSDK
import MastodonAsset
import MastodonLocalization
protocol ComposeToolbarViewDelegate: AnyObject {
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, cameraButtonDidPressed sender: Any, mediaSelectionType type: ComposeToolbarView.MediaSelectionType)
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, pollButtonDidPressed sender: Any)
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, emojiButtonDidPressed sender: Any)
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, contentWarningButtonDidPressed sender: Any)
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, visibilityButtonDidPressed sender: Any, 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?
// barButtonItem
private(set) lazy var mediaBarButtonItem: UIBarButtonItem = {
let barButtonItem = UIBarButtonItem()
barButtonItem.image = UIImage(systemName: "photo")
barButtonItem.accessibilityLabel = L10n.Scene.Compose.Accessibility.appendAttachment
return barButtonItem
}()
let pollBarButtonItem: UIBarButtonItem = {
let barButtonItem = UIBarButtonItem()
barButtonItem.image = UIImage(systemName: "list.bullet")
barButtonItem.accessibilityLabel = L10n.Scene.Compose.Accessibility.appendPoll
return barButtonItem
}()
let contentWarningBarButtonItem: UIBarButtonItem = {
let barButtonItem = UIBarButtonItem()
barButtonItem.image = UIImage(systemName: "exclamationmark.shield")
barButtonItem.accessibilityLabel = L10n.Scene.Compose.Accessibility.enableContentWarning
return barButtonItem
}()
let visibilityBarButtonItem: UIBarButtonItem = {
let barButtonItem = UIBarButtonItem()
barButtonItem.image = UIImage(systemName: "person.3")
barButtonItem.accessibilityLabel = L10n.Scene.Compose.Accessibility.postVisibilityMenu
return barButtonItem
}()
// button
let mediaButton: UIButton = {
let button = HighlightDimmableButton()
ComposeToolbarView.configureToolbarButtonAppearance(button: button)
button.setImage(UIImage(systemName: "photo", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular)), for: .normal)
button.accessibilityLabel = L10n.Scene.Compose.Accessibility.appendAttachment
return button
}()
let pollButton: UIButton = {
let button = HighlightDimmableButton(type: .custom)
ComposeToolbarView.configureToolbarButtonAppearance(button: button)
button.setImage(UIImage(systemName: "list.bullet", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .medium)), for: .normal)
button.accessibilityLabel = L10n.Scene.Compose.Accessibility.appendPoll
return button
}()
let emojiButton: UIButton = {
let button = HighlightDimmableButton()
ComposeToolbarView.configureToolbarButtonAppearance(button: button)
let image = Asset.Human.faceSmilingAdaptive.image
.af.imageScaled(to: CGSize(width: 20, height: 20))
.withRenderingMode(.alwaysTemplate)
button.setImage(image, for: .normal)
button.accessibilityLabel = L10n.Scene.Compose.Accessibility.customEmojiPicker
return button
}()
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 = [
mediaButton,
pollButton,
emojiButton,
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)
mediaBarButtonItem.menu = createMediaContextMenu()
mediaButton.menu = createMediaContextMenu()
mediaButton.showsMenuAsPrimaryAction = true
pollBarButtonItem.target = self
pollBarButtonItem.action = #selector(ComposeToolbarView.pollButtonDidPressed(_:))
pollButton.addTarget(self, action: #selector(ComposeToolbarView.pollButtonDidPressed(_:)), for: .touchUpInside)
emojiButton.addTarget(self, action: #selector(ComposeToolbarView.emojiButtonDidPressed(_:)), for: .touchUpInside)
contentWarningBarButtonItem.target = self
contentWarningBarButtonItem.action = #selector(ComposeToolbarView.contentWarningButtonDidPressed(_:))
contentWarningButton.addTarget(self, action: #selector(ComposeToolbarView.contentWarningButtonDidPressed(_:)), for: .touchUpInside)
visibilityBarButtonItem.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
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.visibilityBarButtonItem.menu = self.createVisibilityContextMenu(interfaceStyle: self.traitCollection.userInterfaceStyle)
self.visibilityButton.menu = self.createVisibilityContextMenu(interfaceStyle: self.traitCollection.userInterfaceStyle)
}
.store(in: &disposeBag)
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
updateToolbarButtonUserInterfaceStyle()
}
}
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 func setupBackgroundColor(theme: Theme) {
backgroundColor = theme.composeToolbarBackgroundColor
}
private static func configureToolbarButtonAppearance(button: UIButton) {
button.tintColor = ThemeService.tintColor
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() {
// reset emoji
let emojiButtonImage = Asset.Human.faceSmilingAdaptive.image
.af.imageScaled(to: CGSize(width: 20, height: 20))
.withRenderingMode(.alwaysTemplate)
emojiButton.setImage(emojiButtonImage, for: .normal)
switch traitCollection.userInterfaceStyle {
case .light:
mediaBarButtonItem.image = UIImage(systemName: "photo")
mediaButton.setImage(UIImage(systemName: "photo", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
contentWarningBarButtonItem.image = UIImage(systemName: "exclamationmark.shield")
contentWarningButton.setImage(UIImage(systemName: "exclamationmark.shield", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
case .dark:
mediaBarButtonItem.image = UIImage(systemName: "photo.fill")
mediaButton.setImage(UIImage(systemName: "photo.fill", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
contentWarningBarButtonItem.image = UIImage(systemName: "exclamationmark.shield.fill")
contentWarningButton.setImage(UIImage(systemName: "exclamationmark.shield.fill", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
default:
assertionFailure()
}
visibilityBarButtonItem.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
visibilityButton.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
}
private func createMediaContextMenu() -> UIMenu {
var children: [UIMenuElement] = []
let photoLibraryAction = UIAction(title: L10n.Scene.Compose.MediaSelection.photoLibrary, image: UIImage(systemName: "rectangle.on.rectangle"), identifier: nil, discoverabilityTitle: nil, attributes: [], state: .off) { [weak self] _ in
guard let self = self else { return }
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: mediaSelectionType: .photoLibrary", ((#file as NSString).lastPathComponent), #line, #function)
self.delegate?.composeToolbarView(self, cameraButtonDidPressed: self.mediaButton, mediaSelectionType: .photoLibrary)
}
children.append(photoLibraryAction)
if UIImagePickerController.isSourceTypeAvailable(.camera) {
let cameraAction = UIAction(title: L10n.Scene.Compose.MediaSelection.camera, image: UIImage(systemName: "camera"), identifier: nil, discoverabilityTitle: nil, attributes: [], state: .off, handler: { [weak self] _ in
guard let self = self else { return }
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: mediaSelectionType: .camera", ((#file as NSString).lastPathComponent), #line, #function)
self.delegate?.composeToolbarView(self, cameraButtonDidPressed: self.mediaButton, mediaSelectionType: .camera)
})
children.append(cameraAction)
}
let browseAction = UIAction(title: L10n.Scene.Compose.MediaSelection.browse, image: UIImage(systemName: "ellipsis"), identifier: nil, discoverabilityTitle: nil, attributes: [], state: .off) { [weak self] _ in
guard let self = self else { return }
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: mediaSelectionType: .browse", ((#file as NSString).lastPathComponent), #line, #function)
self.delegate?.composeToolbarView(self, cameraButtonDidPressed: self.mediaButton, mediaSelectionType: .browse)
}
children.append(browseAction)
return UIMenu(title: "", image: nil, identifier: nil, options: .displayInline, children: children)
}
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, log: .debug, "%{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 pollButtonDidPressed(_ sender: Any) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
delegate?.composeToolbarView(self, pollButtonDidPressed: sender)
}
@objc private func emojiButtonDidPressed(_ sender: Any) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
delegate?.composeToolbarView(self, emojiButtonDidPressed: sender)
}
@objc private func contentWarningButtonDidPressed(_ sender: Any) {
os_log(.info, log: .debug, "%{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