forked from zelo72/mastodon-ios
84 lines
2.9 KiB
Swift
84 lines
2.9 KiB
Swift
//
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// TimelineMiddleLoaderTableViewCell.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/2/4.
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//
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import Combine
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import CoreData
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import os.log
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import UIKit
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protocol TimelineMiddleLoaderTableViewCellDelegate: AnyObject {
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func timelineMiddleLoaderTableViewCell(_ cell: TimelineMiddleLoaderTableViewCell, loadMoreButtonDidPressed button: UIButton)
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}
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final class TimelineMiddleLoaderTableViewCell: TimelineLoaderTableViewCell {
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weak var delegate: TimelineMiddleLoaderTableViewCellDelegate?
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private(set) lazy var viewModel: ViewModel = {
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let viewModel = ViewModel()
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viewModel.bind(cell: self)
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return viewModel
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}()
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let topSawToothView = SawToothView()
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let bottomSawToothView = SawToothView()
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override func _init() {
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super._init()
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loadMoreButton.isHidden = false
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loadMoreLabel.isHidden = false
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activityIndicatorView.isHidden = false
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loadMoreButton.setInsets(forContentPadding: .zero, imageTitlePadding: 4)
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loadMoreButton.addTarget(self, action: #selector(TimelineMiddleLoaderTableViewCell.loadMoreButtonDidPressed(_:)), for: .touchUpInside)
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topSawToothView.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(topSawToothView)
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NSLayoutConstraint.activate([
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topSawToothView.topAnchor.constraint(equalTo: contentView.topAnchor),
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topSawToothView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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topSawToothView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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topSawToothView.heightAnchor.constraint(equalToConstant: 3),
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])
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topSawToothView.transform = CGAffineTransform(scaleX: 1, y: -1) // upside down
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bottomSawToothView.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(bottomSawToothView)
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NSLayoutConstraint.activate([
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bottomSawToothView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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bottomSawToothView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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bottomSawToothView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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bottomSawToothView.heightAnchor.constraint(equalToConstant: 3),
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])
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}
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}
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extension TimelineMiddleLoaderTableViewCell {
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@objc private func loadMoreButtonDidPressed(_ sender: UIButton) {
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os_log("%{public}s[%{public}ld], %{public}s", (#file as NSString).lastPathComponent, #line, #function)
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delegate?.timelineMiddleLoaderTableViewCell(self, loadMoreButtonDidPressed: sender)
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}
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}
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#if canImport(SwiftUI) && DEBUG
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import SwiftUI
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struct TimelineMiddleLoaderTableViewCell_Previews: PreviewProvider {
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static var previews: some View {
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UIViewPreview(width: 375) {
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TimelineMiddleLoaderTableViewCell()
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}
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.previewLayout(.fixed(width: 375, height: 100))
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}
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}
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#endif
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