74 lines
2.9 KiB
Swift
74 lines
2.9 KiB
Swift
//
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// TimelineLoaderTableViewCell.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/2/3.
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//
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import UIKit
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import Combine
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class TimelineLoaderTableViewCell: UITableViewCell {
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static let cellHeight: CGFloat = 44 + TimelineLoaderTableViewCell.extraTopPadding + TimelineLoaderTableViewCell.bottomPadding
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static let extraTopPadding: CGFloat = 0 // the status cell already has 10pt bottom padding
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static let bottomPadding: CGFloat = StatusTableViewCell.bottomPaddingHeight + TimelineLoaderTableViewCell.extraTopPadding // make balance
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var disposeBag = Set<AnyCancellable>()
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let loadMoreButton: UIButton = {
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let button = UIButton(type: .system)
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button.titleLabel?.font = .preferredFont(forTextStyle: .headline)
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button.setTitle(L10n.Common.Controls.Timeline.loadMore, for: .normal)
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return button
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}()
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let activityIndicatorView: UIActivityIndicatorView = {
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let activityIndicatorView = UIActivityIndicatorView(style: .medium)
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activityIndicatorView.tintColor = .white
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activityIndicatorView.hidesWhenStopped = true
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return activityIndicatorView
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}()
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override func prepareForReuse() {
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super.prepareForReuse()
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disposeBag.removeAll()
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}
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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_init()
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}
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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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func _init() {
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selectionStyle = .none
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backgroundColor = Asset.Colors.Background.secondarySystemBackground.color
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loadMoreButton.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(loadMoreButton)
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NSLayoutConstraint.activate([
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loadMoreButton.topAnchor.constraint(equalTo: contentView.topAnchor, constant: TimelineLoaderTableViewCell.extraTopPadding),
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loadMoreButton.leadingAnchor.constraint(equalTo: contentView.readableContentGuide.leadingAnchor),
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contentView.readableContentGuide.trailingAnchor.constraint(equalTo: loadMoreButton.trailingAnchor),
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contentView.bottomAnchor.constraint(equalTo: loadMoreButton.bottomAnchor, constant: TimelineLoaderTableViewCell.bottomPadding),
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loadMoreButton.heightAnchor.constraint(equalToConstant: 44).priority(.defaultHigh),
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])
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activityIndicatorView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(activityIndicatorView)
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NSLayoutConstraint.activate([
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activityIndicatorView.centerXAnchor.constraint(equalTo: loadMoreButton.centerXAnchor),
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activityIndicatorView.centerYAnchor.constraint(equalTo: loadMoreButton.centerYAnchor),
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])
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loadMoreButton.isHidden = true
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activityIndicatorView.isHidden = true
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}
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}
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