forked from zelo72/mastodon-ios
295 lines
12 KiB
Swift
295 lines
12 KiB
Swift
//
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// ActionToolBarContainer.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/2/1.
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//
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import os.log
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import UIKit
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import MastodonAsset
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import MastodonLocalization
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public protocol ActionToolbarContainerDelegate: AnyObject {
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func actionToolbarContainer(_ actionToolbarContainer: ActionToolbarContainer, buttonDidPressed button: UIButton, action: ActionToolbarContainer.Action)
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}
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public final class ActionToolbarContainer: UIView {
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let logger = Logger(subsystem: "ActionToolbarContainer", category: "Control")
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static let replyImage = Asset.Communication.bubbleLeftAndBubbleRight.image.withRenderingMode(.alwaysTemplate)
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static let reblogImage = Asset.Arrow.repeat.image.withRenderingMode(.alwaysTemplate)
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static let starImage = Asset.ObjectsAndTools.star.image.withRenderingMode(.alwaysTemplate)
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static let starFillImage = Asset.ObjectsAndTools.starFill.image.withRenderingMode(.alwaysTemplate)
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static let shareImage = Asset.Communication.share.image.withRenderingMode(.alwaysTemplate)
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public let replyButton = HighlightDimmableButton()
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public let reblogButton = HighlightDimmableButton()
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public let favoriteButton = HighlightDimmableButton()
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public let shareButton = HighlightDimmableButton()
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public weak var delegate: ActionToolbarContainerDelegate?
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private let container = UIStackView()
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private var style: Style?
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public override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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public required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension ActionToolbarContainer {
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private func _init() {
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container.preservesSuperviewLayoutMargins = true
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container.isLayoutMarginsRelativeArrangement = true
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container.translatesAutoresizingMaskIntoConstraints = false
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addSubview(container)
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NSLayoutConstraint.activate([
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container.topAnchor.constraint(equalTo: topAnchor),
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container.leadingAnchor.constraint(equalTo: leadingAnchor),
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trailingAnchor.constraint(equalTo: container.trailingAnchor),
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bottomAnchor.constraint(equalTo: container.bottomAnchor),
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])
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replyButton.addTarget(self, action: #selector(ActionToolbarContainer.buttonDidPressed(_:)), for: .touchUpInside)
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reblogButton.addTarget(self, action: #selector(ActionToolbarContainer.buttonDidPressed(_:)), for: .touchUpInside)
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favoriteButton.addTarget(self, action: #selector(ActionToolbarContainer.buttonDidPressed(_:)), for: .touchUpInside)
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shareButton.addTarget(self, action: #selector(ActionToolbarContainer.buttonDidPressed(_:)), for: .touchUpInside)
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}
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public func configure(for style: Style) {
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guard needsConfigure(for: style) else {
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return
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}
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self.style = style
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container.arrangedSubviews.forEach { subview in
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container.removeArrangedSubview(subview)
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subview.removeFromSuperview()
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}
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let buttons = [replyButton, reblogButton, favoriteButton, shareButton]
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buttons.forEach { button in
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button.tintColor = Asset.Colors.Button.actionToolbar.color
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button.titleLabel?.font = .monospacedDigitSystemFont(ofSize: 12, weight: .regular)
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button.setTitle("", for: .normal)
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button.setTitleColor(.secondaryLabel, for: .normal)
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button.expandEdgeInsets = UIEdgeInsets(top: -10, left: -10, bottom: -10, right: -10)
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button.setInsets(forContentPadding: .zero, imageTitlePadding: style.buttonTitleImagePadding)
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}
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// add more expand for menu button
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shareButton.expandEdgeInsets = UIEdgeInsets(top: -10, left: -20, bottom: -10, right: -20)
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replyButton.accessibilityLabel = L10n.Common.Controls.Status.Actions.reply
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reblogButton.accessibilityLabel = L10n.Common.Controls.Status.Actions.reblog // needs update to follow state
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favoriteButton.accessibilityLabel = L10n.Common.Controls.Status.Actions.favorite // needs update to follow state
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shareButton.accessibilityLabel = L10n.Common.Controls.Actions.share
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switch style {
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case .inline:
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buttons.forEach { button in
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button.contentHorizontalAlignment = .leading
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}
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replyButton.setImage(ActionToolbarContainer.replyImage, for: .normal)
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reblogButton.setImage(ActionToolbarContainer.reblogImage, for: .normal)
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favoriteButton.setImage(ActionToolbarContainer.starImage, for: .normal)
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shareButton.setImage(ActionToolbarContainer.shareImage, for: .normal)
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container.axis = .horizontal
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container.distribution = .fill
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replyButton.translatesAutoresizingMaskIntoConstraints = false
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reblogButton.translatesAutoresizingMaskIntoConstraints = false
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favoriteButton.translatesAutoresizingMaskIntoConstraints = false
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shareButton.translatesAutoresizingMaskIntoConstraints = false
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container.addArrangedSubview(replyButton)
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container.addArrangedSubview(reblogButton)
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container.addArrangedSubview(favoriteButton)
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container.addArrangedSubview(shareButton)
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NSLayoutConstraint.activate([
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replyButton.heightAnchor.constraint(equalToConstant: 44).priority(.defaultHigh),
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replyButton.heightAnchor.constraint(equalTo: reblogButton.heightAnchor).priority(.defaultHigh),
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replyButton.heightAnchor.constraint(equalTo: favoriteButton.heightAnchor).priority(.defaultHigh),
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replyButton.heightAnchor.constraint(equalTo: shareButton.heightAnchor).priority(.defaultHigh),
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replyButton.widthAnchor.constraint(equalTo: reblogButton.widthAnchor).priority(.defaultHigh),
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replyButton.widthAnchor.constraint(equalTo: favoriteButton.widthAnchor).priority(.defaultHigh),
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])
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shareButton.setContentHuggingPriority(.defaultHigh, for: .horizontal)
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shareButton.setContentCompressionResistancePriority(.defaultHigh, for: .horizontal)
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case .plain:
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buttons.forEach { button in
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button.contentHorizontalAlignment = .center
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}
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replyButton.setImage(ActionToolbarContainer.replyImage, for: .normal)
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reblogButton.setImage(ActionToolbarContainer.reblogImage, for: .normal)
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favoriteButton.setImage(ActionToolbarContainer.starImage, for: .normal)
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container.axis = .horizontal
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container.spacing = 8
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container.distribution = .fillEqually
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container.addArrangedSubview(replyButton)
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container.addArrangedSubview(reblogButton)
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container.addArrangedSubview(favoriteButton)
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}
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}
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private func needsConfigure(for style: Style) -> Bool {
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guard let oldStyle = self.style else { return true }
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return oldStyle != style
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}
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}
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extension ActionToolbarContainer {
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public enum Action: String, CaseIterable {
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case reply
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case reblog
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case like
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case share
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}
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public enum Style {
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case inline
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case plain
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var buttonTitleImagePadding: CGFloat {
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switch self {
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case .inline: return 4.0
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case .plain: return 0
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}
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}
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}
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private func isReblogButtonHighlightStateDidChange(to isHighlight: Bool) {
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let tintColor = isHighlight ? Asset.Colors.successGreen.color : Asset.Colors.Button.actionToolbar.color
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reblogButton.tintColor = tintColor
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reblogButton.setTitleColor(tintColor, for: .normal)
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reblogButton.setTitleColor(tintColor, for: .highlighted)
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}
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private func isFavoriteButtonHighlightStateDidChange(to isHighlight: Bool) {
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let tintColor = isHighlight ? Asset.Colors.systemOrange.color : Asset.Colors.Button.actionToolbar.color
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favoriteButton.tintColor = tintColor
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favoriteButton.setTitleColor(tintColor, for: .normal)
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favoriteButton.setTitleColor(tintColor, for: .highlighted)
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}
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}
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extension ActionToolbarContainer {
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@objc private func buttonDidPressed(_ sender: UIButton) {
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logger.log(level: .debug, "\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
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let _action: Action?
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switch sender {
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case replyButton: _action = .reply
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case reblogButton: _action = .reblog
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case favoriteButton: _action = .like
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case shareButton: _action = .share
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default: _action = nil
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}
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guard let action = _action else {
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assertionFailure()
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return
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}
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logger.log(level: .debug, "\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): \(action.rawValue) button pressed")
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delegate?.actionToolbarContainer(self, buttonDidPressed: sender, action: action)
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}
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}
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extension ActionToolbarContainer {
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public func configureReply(count: Int, isEnabled: Bool) {
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let title = ActionToolbarContainer.title(from: count)
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replyButton.setTitle(title, for: .normal)
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replyButton.accessibilityLabel = "\(count) reply" // TODO: i18n
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}
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public func configureReblog(count: Int, isEnabled: Bool, isHighlighted: Bool) {
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let title = ActionToolbarContainer.title(from: count)
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reblogButton.setTitle(title, for: .normal)
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reblogButton.isEnabled = isEnabled
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reblogButton.setImage(ActionToolbarContainer.reblogImage, for: .normal)
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let tintColor = isHighlighted ? Asset.Colors.successGreen.color : Asset.Colors.Button.actionToolbar.color
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reblogButton.tintColor = tintColor
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reblogButton.setTitleColor(tintColor, for: .normal)
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reblogButton.setTitleColor(tintColor, for: .highlighted)
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if isHighlighted {
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reblogButton.accessibilityTraits.insert(.selected)
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} else {
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reblogButton.accessibilityTraits.remove(.selected)
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}
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reblogButton.accessibilityLabel = L10n.Plural.Count.reblog(count)
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}
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public func configureFavorite(count: Int, isEnabled: Bool, isHighlighted: Bool) {
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let title = ActionToolbarContainer.title(from: count)
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favoriteButton.setTitle(title, for: .normal)
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favoriteButton.isEnabled = isEnabled
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let image = isHighlighted ? ActionToolbarContainer.starFillImage : ActionToolbarContainer.starImage
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favoriteButton.setImage(image, for: .normal)
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let tintColor = isHighlighted ? Asset.Colors.systemOrange.color : Asset.Colors.Button.actionToolbar.color
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favoriteButton.tintColor = tintColor
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favoriteButton.setTitleColor(tintColor, for: .normal)
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favoriteButton.setTitleColor(tintColor, for: .highlighted)
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if isHighlighted {
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favoriteButton.accessibilityTraits.insert(.selected)
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} else {
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favoriteButton.accessibilityTraits.remove(.selected)
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}
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favoriteButton.accessibilityLabel = L10n.Plural.Count.favorite(count)
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}
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}
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extension ActionToolbarContainer {
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private static func title(from number: Int?) -> String {
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guard let number = number, number > 0 else { return "" }
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return String(number)
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}
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}
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extension ActionToolbarContainer {
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public override var accessibilityElements: [Any]? {
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get { [replyButton, reblogButton, favoriteButton, shareButton] }
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set { }
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}
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}
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#if DEBUG
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import SwiftUI
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struct ActionToolbarContainer_Previews: PreviewProvider {
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static var previews: some View {
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Group {
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UIViewPreview(width: 300) {
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let toolbar = ActionToolbarContainer()
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toolbar.configure(for: .inline)
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return toolbar
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}
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.previewLayout(.fixed(width: 300, height: 44))
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.previewDisplayName("Inline")
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}
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}
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}
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#endif
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