102 lines
3.6 KiB
Swift
102 lines
3.6 KiB
Swift
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//
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// DiscoveryIntroBannerView.swift
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// Mastodon
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//
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// Created by MainasuK on 2022-4-19.
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//
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import os.log
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import UIKit
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import Combine
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import MastodonAsset
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public protocol DiscoveryIntroBannerViewDelegate: AnyObject {
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func discoveryIntroBannerView(_ bannerView: DiscoveryIntroBannerView, closeButtonDidPressed button: UIButton)
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}
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public final class DiscoveryIntroBannerView: UIView {
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let logger = Logger(subsystem: "DiscoveryIntroBannerView", category: "View")
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var _disposeBag = Set<AnyCancellable>()
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public weak var delegate: DiscoveryIntroBannerViewDelegate?
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let label: UILabel = {
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let label = UILabel()
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label.font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 16, weight: .regular))
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label.textColor = Asset.Colors.Label.primary.color
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label.text = "These are the posts gaining traction in your corner of Mastodon." // TODO: i18n
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label.numberOfLines = 0
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return label
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}()
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let closeButton: HitTestExpandedButton = {
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let button = HitTestExpandedButton(type: .system)
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button.setImage(UIImage(systemName: "xmark.circle.fill"), for: .normal)
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button.tintColor = Asset.Colors.Label.secondary.color
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return button
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}()
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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 DiscoveryIntroBannerView {
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private func _init() {
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preservesSuperviewLayoutMargins = true
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setupAppearance(theme: ThemeService.shared.currentTheme.value)
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ThemeService.shared.currentTheme
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.receive(on: DispatchQueue.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.setupAppearance(theme: theme)
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}
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.store(in: &_disposeBag)
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closeButton.translatesAutoresizingMaskIntoConstraints = false
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addSubview(closeButton)
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NSLayoutConstraint.activate([
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closeButton.topAnchor.constraint(equalTo: topAnchor, constant: 16).priority(.required - 1),
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layoutMarginsGuide.trailingAnchor.constraint(equalTo: closeButton.trailingAnchor),
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closeButton.heightAnchor.constraint(equalToConstant: 20).priority(.required - 1),
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closeButton.widthAnchor.constraint(equalToConstant: 20).priority(.required - 1),
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])
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label.translatesAutoresizingMaskIntoConstraints = false
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addSubview(label)
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NSLayoutConstraint.activate([
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label.topAnchor.constraint(equalTo: topAnchor, constant: 16).priority(.required - 1),
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label.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor),
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closeButton.leadingAnchor.constraint(equalTo: label.trailingAnchor, constant: 10),
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bottomAnchor.constraint(equalTo: label.bottomAnchor, constant: 16).priority(.required - 1),
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])
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closeButton.addTarget(self, action: #selector(DiscoveryIntroBannerView.closeButtonDidPressed(_:)), for: .touchUpInside)
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}
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}
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extension DiscoveryIntroBannerView {
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@objc private func closeButtonDidPressed(_ 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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delegate?.discoveryIntroBannerView(self, closeButtonDidPressed: sender)
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}
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}
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extension DiscoveryIntroBannerView {
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private func setupAppearance(theme: Theme) {
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backgroundColor = theme.systemBackgroundColor
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}
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}
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