// // NCViewerQuickLook.swift // Nextcloud // // Created by Marino Faggiana on 03/05/2020. // Copyright © 2020 Marino Faggiana. All rights reserved. // // Author Marino Faggiana // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // import UIKit import QuickLook import NCCommunication @objc class NCViewerQuickLook: QLPreviewController { let appDelegate = UIApplication.shared.delegate as! AppDelegate var url: URL? var previewItems: [PreviewItem] = [] var editingMode: Bool enum saveModeType{ case overwrite case copy case discard } var saveMode: saveModeType = .discard var metadata: tableMetadata? required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } @objc init(with url: URL, editingMode: Bool, metadata: tableMetadata?) { self.url = url self.editingMode = editingMode if let metadata = metadata { self.metadata = tableMetadata.init(value: metadata) } let previewItem = PreviewItem() previewItem.previewItemURL = url self.previewItems.append(previewItem) super.init(nibName: nil, bundle: nil) self.dataSource = self self.delegate = self self.currentPreviewItemIndex = 0 self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(dismissPreviewController)) } override func viewDidLoad() { super.viewDidLoad() if editingMode && metadata?.classFile == NCCommunicationCommon.typeClassFile.image.rawValue { Timer.scheduledTimer(withTimeInterval: 0.1, repeats: true, block: { (t) in if self.navigationItem.rightBarButtonItems?.count ?? 0 > 1 || !(self.navigationController?.isToolbarHidden ?? false) { if #available(iOS 14.0, *) { if self.navigationItem.rightBarButtonItems?.count ?? 0 > 1 { if let buttonItem = self.navigationItem.rightBarButtonItems?.last { _ = buttonItem.target?.perform(buttonItem.action, with: buttonItem) } } else { if let buttonItem = self.navigationItem.rightBarButtonItems?.first { _ = buttonItem.target?.perform(buttonItem.action, with: buttonItem) } } } else { if let buttonItem = self.navigationItem.rightBarButtonItems?.filter({$0.customView != nil}).first?.customView as? UIButton { buttonItem.sendActions(for: .touchUpInside) } } t.invalidate() } }) } if editingMode && metadata?.livePhoto == true { NCContentPresenter.shared.messageNotification("", description: "_message_disable_overwrite_livephoto_", delay: NCGlobal.shared.dismissAfterSecond, type: NCContentPresenter.messageType.info, errorCode: NCGlobal.shared.errorCharactersForbidden, forced: true) } } @objc func dismissPreviewController() { if editingMode { let alertController = UIAlertController(title: NSLocalizedString("_save_", comment: ""), message: "", preferredStyle: .alert) if metadata?.livePhoto == false { alertController.addAction(UIAlertAction(title: NSLocalizedString("_overwrite_original_", comment: ""), style: .default) { (action:UIAlertAction) in self.saveMode = .overwrite self.dismiss(animated: true) }) } alertController.addAction(UIAlertAction(title: NSLocalizedString("_save_as_copy_", comment: ""), style: .default) { (action:UIAlertAction) in self.saveMode = .copy self.dismiss(animated: true) }) alertController.addAction(UIAlertAction(title: NSLocalizedString("_discard_changes_", comment: ""), style: .destructive) { (action:UIAlertAction) in self.saveMode = .discard self.dismiss(animated: true) }) alertController.addAction(UIAlertAction(title: NSLocalizedString("_cancel_", comment: ""), style: .cancel) { (action:UIAlertAction) in }) self.present(alertController, animated: true) } else { self.dismiss(animated: true) } } } extension NCViewerQuickLook: QLPreviewControllerDataSource, QLPreviewControllerDelegate { func numberOfPreviewItems(in controller: QLPreviewController) -> Int { previewItems.count } func previewController(_ controller: QLPreviewController, previewItemAt index: Int) -> QLPreviewItem { previewItems[index] } func previewController(_ controller: QLPreviewController, didUpdateContentsOf previewItem: QLPreviewItem) { } @available(iOS 13.0, *) func previewController(_ controller: QLPreviewController, editingModeFor previewItem: QLPreviewItem) -> QLPreviewItemEditingMode { if editingMode { return .createCopy } else { return .disabled } } func previewController(_ controller: QLPreviewController, didSaveEditedCopyOf previewItem: QLPreviewItem, at modifiedContentsURL: URL) { if saveMode != .discard { guard let metadata = self.metadata else { return } let ocId = NSUUID().uuidString let size = NCUtilityFileSystem.shared.getFileSize(filePath: modifiedContentsURL.path) if saveMode == .copy { let fileName = NCUtilityFileSystem.shared.createFileName(metadata.fileNameView, serverUrl: metadata.serverUrl, account: metadata.account) metadata.fileName = fileName metadata.fileNameView = fileName } let fileNamePath = CCUtility.getDirectoryProviderStorageOcId(ocId, fileNameView: metadata.fileNameView)! if NCUtilityFileSystem.shared.copyFile(atPath: modifiedContentsURL.path, toPath: fileNamePath) { let metadataForUpload = NCManageDatabase.shared.createMetadata(account: metadata.account, user: metadata.user, userId: metadata.userId, fileName: metadata.fileName, fileNameView: metadata.fileNameView, ocId: ocId, serverUrl: metadata.serverUrl, urlBase: metadata.urlBase, url: modifiedContentsURL.path, contentType: "", livePhoto: false) metadataForUpload.session = NCNetworking.shared.sessionIdentifierBackground metadataForUpload.sessionSelector = NCGlobal.shared.selectorUploadFile metadataForUpload.size = size metadataForUpload.status = NCGlobal.shared.metadataStatusWaitUpload appDelegate.networkingProcessUpload?.createProcessUploads(metadatas: [metadataForUpload]) } } } } class PreviewItem: NSObject, QLPreviewItem { var previewItemURL: URL? }