mastodon-ios/Mastodon/Scene/Root/ContentSplitViewController....

119 lines
5.2 KiB
Swift

//
// ContentSplitViewController.swift
// Mastodon
//
// Created by Cirno MainasuK on 2021-10-28.
//
import os.log
import UIKit
import Combine
import CoreDataStack
protocol ContentSplitViewControllerDelegate: AnyObject {
func contentSplitViewController(_ contentSplitViewController: ContentSplitViewController, sidebarViewController: SidebarViewController, didSelectTab tab: MainTabBarController.Tab)
}
final class ContentSplitViewController: UIViewController, NeedsDependency {
var disposeBag = Set<AnyCancellable>()
static let sidebarWidth: CGFloat = 89
weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
weak var delegate: ContentSplitViewControllerDelegate?
private(set) lazy var sidebarViewController: SidebarViewController = {
let sidebarViewController = SidebarViewController()
sidebarViewController.context = context
sidebarViewController.coordinator = coordinator
sidebarViewController.viewModel = SidebarViewModel(context: context)
sidebarViewController.delegate = self
return sidebarViewController
}()
@Published var currentSupplementaryTab: MainTabBarController.Tab = .home
private(set) lazy var mainTabBarController: MainTabBarController = {
let mainTabBarController = MainTabBarController(context: context, coordinator: coordinator)
if let homeTimelineViewController = mainTabBarController.viewController(of: HomeTimelineViewController.self) {
homeTimelineViewController.viewModel.displaySettingBarButtonItem = false
}
return mainTabBarController
}()
deinit {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
}
}
extension ContentSplitViewController {
override func viewDidLoad() {
super.viewDidLoad()
navigationController?.setNavigationBarHidden(true, animated: false)
addChild(sidebarViewController)
sidebarViewController.view.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(sidebarViewController.view)
sidebarViewController.didMove(toParent: self)
NSLayoutConstraint.activate([
sidebarViewController.view.topAnchor.constraint(equalTo: view.topAnchor),
sidebarViewController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
sidebarViewController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
sidebarViewController.view.widthAnchor.constraint(equalToConstant: ContentSplitViewController.sidebarWidth),
])
addChild(mainTabBarController)
mainTabBarController.view.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(mainTabBarController.view)
sidebarViewController.didMove(toParent: self)
NSLayoutConstraint.activate([
mainTabBarController.view.topAnchor.constraint(equalTo: view.topAnchor),
mainTabBarController.view.leadingAnchor.constraint(equalTo: sidebarViewController.view.trailingAnchor, constant: UIView.separatorLineHeight(of: view)),
mainTabBarController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
mainTabBarController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
// response keyboard command tab switch
mainTabBarController.$currentTab
.sink { [weak self] tab in
guard let self = self else { return }
if tab != self.currentSupplementaryTab {
self.currentSupplementaryTab = tab
}
}
.store(in: &disposeBag)
$currentSupplementaryTab
.removeDuplicates()
.sink(receiveValue: { [weak self] tab in
guard let self = self else { return }
self.mainTabBarController.selectedIndex = tab.rawValue
self.mainTabBarController.currentTab = tab
self.sidebarViewController.viewModel.currentTab = tab
})
.store(in: &disposeBag)
}
}
// MARK: - SidebarViewControllerDelegate
extension ContentSplitViewController: SidebarViewControllerDelegate {
func sidebarViewController(_ sidebarViewController: SidebarViewController, didSelectTab tab: MainTabBarController.Tab) {
delegate?.contentSplitViewController(self, sidebarViewController: sidebarViewController, didSelectTab: tab)
}
func sidebarViewController(_ sidebarViewController: SidebarViewController, didLongPressItem item: SidebarViewModel.Item, sourceView: UIView) {
guard case let .tab(tab) = item, tab == .me else { return }
let accountListViewController = coordinator.present(scene: .accountList, from: nil, transition: .popover(sourceView: sourceView)) as! AccountListViewController
accountListViewController.dragIndicatorView.barView.isHidden = true
// content width needs > 300 to make checkmark display
accountListViewController.preferredContentSize = CGSize(width: 375, height: 400)
}
}