forked from shadowfacts/Tusker
121 lines
4.5 KiB
Swift
121 lines
4.5 KiB
Swift
//
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// AccountListViewController.swift
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// Tusker
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//
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// Created by Shadowfacts on 9/5/19.
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// Copyright © 2019 Shadowfacts. All rights reserved.
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//
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import UIKit
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class AccountListViewController: UIViewController {
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typealias Item = String
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private let mastodonController: MastodonController
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private let accountIDs: [String]
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private var collectionView: UICollectionView {
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view as! UICollectionView
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}
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private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
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init(accountIDs: [String], mastodonController: MastodonController) {
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self.mastodonController = mastodonController
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self.accountIDs = accountIDs
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func loadView() {
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let config = UICollectionLayoutListConfiguration(appearance: .grouped)
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let layout = UICollectionViewCompositionalLayout.list(using: config)
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view = UICollectionView(frame: .zero, collectionViewLayout: layout)
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collectionView.delegate = self
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collectionView.dragDelegate = self
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dataSource = createDataSource()
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}
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private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
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let accountCell = UICollectionView.CellRegistration<AccountCollectionViewCell, String> { [unowned self] cell, indexPath, item in
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cell.delegate = self
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cell.updateUI(accountID: item)
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}
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return UICollectionViewDiffableDataSource(collectionView: collectionView) { collectionView, indexPath, itemIdentifier in
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return collectionView.dequeueConfiguredReusableCell(using: accountCell, for: indexPath, item: itemIdentifier)
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}
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
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snapshot.appendSections([.accounts])
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snapshot.appendItems(accountIDs)
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dataSource.apply(snapshot, animatingDifferences: false)
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}
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}
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extension AccountListViewController {
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enum Section {
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case accounts
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}
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}
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extension AccountListViewController: UICollectionViewDelegate {
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func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
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if let id = dataSource.itemIdentifier(for: indexPath) {
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selected(account: id)
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}
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}
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func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
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guard let id = dataSource.itemIdentifier(for: indexPath),
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let cell = collectionView.cellForItem(at: indexPath) else {
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return nil
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}
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return UIContextMenuConfiguration {
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ProfileViewController(accountID: id, mastodonController: self.mastodonController)
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} actionProvider: { _ in
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UIMenu(children: self.actionsForProfile(accountID: id, sourceView: cell))
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}
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}
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func collectionView(_ collectionView: UICollectionView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
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MenuPreviewHelper.willPerformPreviewAction(animator: animator, presenter: self)
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}
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}
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extension AccountListViewController: UICollectionViewDragDelegate {
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func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
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guard let id = dataSource.itemIdentifier(for: indexPath),
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let currentAccountID = mastodonController.accountInfo?.id,
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let account = mastodonController.persistentContainer.account(for: id) else {
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return []
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}
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let provider = NSItemProvider(object: account.url as NSURL)
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let activity = UserActivityManager.showProfileActivity(id: id, accountID: currentAccountID)
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activity.displaysAuxiliaryScene = true
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provider.registerObject(activity, visibility: .all)
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return [UIDragItem(itemProvider: provider)]
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}
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}
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extension AccountListViewController: TuskerNavigationDelegate {
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var apiController: MastodonController! { mastodonController }
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}
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extension AccountListViewController: MenuActionProvider {
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}
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extension AccountListViewController: StatusBarTappableViewController {
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func handleStatusBarTapped(xPosition: CGFloat) -> StatusBarTapActionResult {
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collectionView.scrollToTop()
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return .stop
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}
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}
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