/***************************************************************************** * MediaViewController.swift * VLC for iOS ***************************************************************************** * Copyright (c) 2018 VideoLAN. All rights reserved. * $Id$ * * Authors: Carola Nitz * * Refer to the COPYING file of the official project for license. *****************************************************************************/ import Foundation @objc public protocol VLCMediaViewControllerDelegate: class { func mediaViewControllerDidSelectMediaObject(_ mediaViewController: VLCMediaViewController, mediaObject: NSManagedObject) func mediaViewControllerDidSelectSort(_ mediaViewController: VLCMediaViewController) } public class VLCMediaViewController: UICollectionViewController, UISearchResultsUpdating, UISearchControllerDelegate { private var services: Services private var mediaDatasourceAndDelegate: MediaDataSourceAndDelegate? private var searchController: UISearchController? private let searchDataSource = VLCLibrarySearchDisplayDataSource() public weak var delegate: VLCMediaViewControllerDelegate? @available(iOS 11.0, *) lazy var dragAndDropManager: VLCDragAndDropManager = { let dragAndDropManager = VLCDragAndDropManager() dragAndDropManager.delegate = services.mediaDataSource return dragAndDropManager }() public convenience init(services: Services) { self.init(collectionViewLayout: UICollectionViewFlowLayout()) self.services = services NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .VLCThemeDidChangeNotification, object: nil) } public override init(collectionViewLayout layout: UICollectionViewLayout) { self.services = Services() super.init(collectionViewLayout: layout) } @available(*, unavailable) required public init?(coder aDecoder: NSCoder) { fatalError("init(coder:) has not been implemented") } override public func viewDidLoad() { super.viewDidLoad() setupCollectionView() setupSearchController() setupNavigationBar() _ = (MLMediaLibrary.sharedMediaLibrary() as! MLMediaLibrary).libraryDidAppear() } @objc func themeDidChange() { collectionView?.backgroundColor = PresentationTheme.current.colors.background } func setupCollectionView() { mediaDatasourceAndDelegate = MediaDataSourceAndDelegate(services: services) mediaDatasourceAndDelegate?.delegate = self let playlistnib = UINib(nibName: "VLCPlaylistCollectionViewCell", bundle:nil) collectionView?.register(playlistnib, forCellWithReuseIdentifier: VLCPlaylistCollectionViewCell.cellIdentifier()) collectionView?.backgroundColor = PresentationTheme.current.colors.background collectionView?.alwaysBounceVertical = true collectionView?.dataSource = mediaDatasourceAndDelegate collectionView?.delegate = mediaDatasourceAndDelegate if #available(iOS 11.0, *) { collectionView?.dragDelegate = dragAndDropManager collectionView?.dropDelegate = dragAndDropManager } } override public func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) services.mediaDataSource.updateContents(forSelection: nil) services.mediaDataSource.addAllFolders() services.mediaDataSource.addRemainingFiles() collectionView?.reloadData() } func setupSearchController() { searchController = UISearchController(searchResultsController: nil) searchController?.searchResultsUpdater = self searchController?.dimsBackgroundDuringPresentation = false searchController?.delegate = self if let textfield = searchController?.searchBar.value(forKey: "searchField") as? UITextField { if let backgroundview = textfield.subviews.first { backgroundview.backgroundColor = UIColor.white backgroundview.layer.cornerRadius = 10 backgroundview.clipsToBounds = true } } if #available(iOS 11.0, *) { navigationItem.searchController = searchController } else { navigationItem.titleView = searchController?.searchBar searchController?.hidesNavigationBarDuringPresentation = false } } func setupNavigationBar() { navigationItem.leftBarButtonItem = UIBarButtonItem(title: NSLocalizedString("SORT", comment: ""), style: .plain, target: self, action: #selector(sort)) } @objc func sort() { delegate?.mediaViewControllerDidSelectSort(self) } override public func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) { collectionView?.collectionViewLayout.invalidateLayout() } // MARK: - MediaDatasourceAndDelegate override public func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) { delegate?.mediaViewControllerDidSelectMediaObject(self, mediaObject:services.mediaDataSource.object(at: UInt(indexPath.row))) } // MARK: - Search public func updateSearchResults(for searchController: UISearchController) { searchDataSource.shouldReloadTable(forSearch: searchController.searchBar.text, searchableFiles: services.mediaDataSource.allObjects()) collectionView?.reloadData() } public func didPresentSearchController(_ searchController: UISearchController) { collectionView?.dataSource = searchDataSource } public func didDismissSearchController(_ searchController: UISearchController) { collectionView?.dataSource = mediaDatasourceAndDelegate } }