//
// NCDetailViewController.swift
// Nextcloud
//
// Created by Marino Faggiana on 07/02/2020.
// Copyright © 2020 Marino Faggiana. All rights reserved.
//
// Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
// 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 <http://www.gnu.org/licenses/>.
//
import Foundation
import WebKit
import NCCommunication
class NCDetailViewController: UIViewController {
@IBOutlet weak var backgroundView: UIImageView!
private let appDelegate = UIApplication.shared.delegate as! AppDelegate
@objc var isNavigationBarHidden = false
@objc var metadata: tableMetadata?
@objc var selector: String?
@objc var favoriteFilterImage: Bool = false
@objc var mediaFilterImage: Bool = false
@objc var offlineFilterImage: Bool = false
private var viewerImageViewController: NCViewerImageViewController?
private var metadatas = [tableMetadata]()
private var viewerImageViewControllerIndexStart = 0
//MARK: -
required init?(coder: NSCoder) {
super.init(coder: coder)
appDelegate.activeDetail = self
}
override func viewDidLoad() {
super.viewDidLoad()
NotificationCenter.default.addObserver(self, selector: #selector(self.changeTheming), name: NSNotification.Name(rawValue: k_notificationCenter_changeTheming), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.changeDisplayMode), name: NSNotification.Name(rawValue: k_notificationCenter_splitViewChangeDisplayMode), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.deleteFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_deleteFile), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.uploadFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_uploadFile), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.renameFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_renameFile), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.moveFile(_:)), name: NSNotification.Name(rawValue: k_notificationCenter_moveFile), object: nil)
changeTheming()
if metadata != nil {
viewFile(metadata: metadata!, selector: selector)
}
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
navigateControllerBarHidden(isNavigationBarHidden)
}
override func viewDidDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
if appDelegate.player != nil && appDelegate.player.rate != 0 {
appDelegate.player.pause()
}
if appDelegate.isMediaObserver {
appDelegate.isMediaObserver = false
NCViewerMedia.sharedInstance.removeObserver()
}
}
override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
super.viewWillTransition(to: size, with: coordinator)
coordinator.animate(alongsideTransition: nil) { _ in
}
}
//MARK: - Utility
func subViewActive() -> UIView? {
return backgroundView.subviews.first
}
@objc func viewUnload() {
metadata = nil
selector = nil
if let splitViewController = self.splitViewController as? NCSplitViewController {
if splitViewController.isCollapsed {
if let navigationController = splitViewController.viewControllers.last as? UINavigationController {
navigationController.popToRootViewController(animated: true)
}
} else {
if backgroundView != nil {
for view in backgroundView.subviews {
view.removeFromSuperview()
}
}
self.navigationController?.navigationBar.topItem?.title = ""
}
}
self.splitViewController?.preferredDisplayMode = .allVisible
self.navigationController?.isNavigationBarHidden = false
view.backgroundColor = NCBrandColor.sharedInstance.backgroundView
backgroundView.image = CCGraphics.changeThemingColorImage(UIImage.init(named: "logo"), multiplier: 2, color: NCBrandColor.sharedInstance.brand.withAlphaComponent(0.4))
}
@objc func navigateControllerBarHidden(_ state: Bool) {
if state {
view.backgroundColor = .black
} else {
view.backgroundColor = NCBrandColor.sharedInstance.backgroundView
}
navigationController?.setNavigationBarHidden(state, animated: false)
isNavigationBarHidden = state
}
//MARK: - NotificationCenter
@objc func changeTheming() {
if backgroundView.image != nil {
backgroundView.image = CCGraphics.changeThemingColorImage(UIImage.init(named: "logo"), multiplier: 2, color: NCBrandColor.sharedInstance.brand.withAlphaComponent(0.4))
}
if navigationController?.isNavigationBarHidden == false {
view.backgroundColor = NCBrandColor.sharedInstance.backgroundView
}
}
@objc func changeDisplayMode() {
NCViewerImageCommon.shared.imageChangeSizeView(viewerImageViewController: viewerImageViewController, size: self.backgroundView.frame.size, metadata: metadata)
}
@objc func moveFile(_ notification: NSNotification) {
if let userInfo = notification.userInfo as NSDictionary? {
if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
if errorCode != 0 || metadata.serverUrl != self.metadata?.serverUrl { return }
self.deleteFile(notification)
}
}
}
@objc func deleteFile(_ notification: NSNotification) {
if let userInfo = notification.userInfo as NSDictionary? {
if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
if errorCode != 0 { return }
// IMAGE
if viewerImageViewController != nil && metadata.account == self.metadata?.account && metadata.serverUrl == self.metadata?.serverUrl && metadata.typeFile == k_metadataTypeFile_image {
if let metadatas = NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) {
var index = viewerImageViewController!.index - 1
if index < 0 { index = 0}
self.metadata = metadatas[index]
viewImage()
} else {
viewUnload()
}
// OTHER SINGLE FILE TYPE
} else if metadata.ocId == self.metadata?.ocId {
viewUnload()
}
}
}
}
@objc func uploadFile(_ notification: NSNotification) {
if let userInfo = notification.userInfo as NSDictionary? {
if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
if errorCode != 0 { return }
// IMAGE
if viewerImageViewController != nil && metadata.account == self.metadata?.account && metadata.serverUrl == self.metadata?.serverUrl && metadata.typeFile == k_metadataTypeFile_image {
if NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) != nil {
viewImage()
} else {
viewUnload()
}
}
}
}
}
@objc func renameFile(_ notification: NSNotification) {
if let userInfo = notification.userInfo as NSDictionary? {
if let metadata = userInfo["metadata"] as? tableMetadata, let errorCode = userInfo["errorCode"] as? Int {
if errorCode != 0 { return }
// IMAGE
if viewerImageViewController != nil && metadata.account == self.metadata?.account && metadata.serverUrl == self.metadata?.serverUrl && metadata.typeFile == k_metadataTypeFile_image {
if NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) != nil {
viewImage()
} else {
viewUnload()
}
// OTHER SINGLE FILE TYPE
} else if metadata.ocId == self.metadata?.ocId {
self.navigationController?.navigationBar.topItem?.title = metadata.fileNameView
}
}
}
}
//MARK: -
@objc func viewFile(metadata: tableMetadata, selector: String?) {
self.metadata = metadata
self.selector = selector
self.backgroundView.image = nil
for view in backgroundView.subviews { view.removeFromSuperview() }
self.navigationController?.navigationBar.topItem?.title = metadata.fileNameView
if FileManager().fileExists(atPath: CCUtility.getDirectoryProviderStorageIconOcId(metadata.ocId, fileNameView: metadata.fileNameView)) == false {
CCGraphics.createNewImage(from: metadata.fileNameView, ocId: metadata.ocId, extension: (metadata.fileNameView as NSString).pathExtension, filterGrayScale: false, typeFile: metadata.typeFile, writeImage: true)
}
if appDelegate.isMediaObserver {
appDelegate.isMediaObserver = false
NCViewerMedia.sharedInstance.removeObserver()
}
// IMAGE
if metadata.typeFile == k_metadataTypeFile_image {
viewImage()
return
}
// AUDIO VIDEO
if metadata.typeFile == k_metadataTypeFile_audio || metadata.typeFile == k_metadataTypeFile_video {
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
NCViewerMedia.sharedInstance.viewMedia(metadata, view: backgroundView, frame: frame)
return
}
// DOCUMENT - INTERNAL VIEWER
if metadata.typeFile == k_metadataTypeFile_document && selector != nil && selector == selectorLoadFileInternalView {
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
NCViewerDocumentWeb.sharedInstance.viewDocumentWebAt(metadata, view: backgroundView, frame: frame)
return
}
// DOCUMENT
if metadata.typeFile == k_metadataTypeFile_document {
// PDF
if metadata.contentType == "application/pdf" {
if #available(iOS 11.0, *) {
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
let viewerPDF = NCViewerPDF.init(frame: frame)
let filePath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
if CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) == false {
return
}
viewerPDF.setupPdfView(filePath: URL(fileURLWithPath: filePath), view: backgroundView)
}
return
}
// DirectEditinf: Nextcloud Text - OnlyOffice
if NCUtility.sharedInstance.isDirectEditing(metadata) != nil && appDelegate.reachability.isReachable() {
let editor = NCUtility.sharedInstance.isDirectEditing(metadata)!
if editor == k_editor_text || editor == k_editor_onlyoffice {
NCUtility.sharedInstance.startActivityIndicator(view: backgroundView, bottom: 0)
if metadata.url == "" {
var customUserAgent: String?
let fileNamePath = CCUtility.returnFileNamePath(fromFileName: metadata.fileName, serverUrl: metadata.serverUrl, activeUrl: appDelegate.activeUrl)!
if editor == k_editor_onlyoffice {
customUserAgent = NCUtility.sharedInstance.getCustomUserAgentOnlyOffice()
}
NCCommunication.sharedInstance.NCTextOpenFile(urlString: appDelegate.activeUrl, fileNamePath: fileNamePath, editor: editor, customUserAgent: customUserAgent, account: appDelegate.activeAccount) { (account, url, errorCode, errorMessage) in
if errorCode == 0 && account == self.appDelegate.activeAccount && url != nil {
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
let nextcloudText = NCViewerNextcloudText.init(frame: frame, configuration: WKWebViewConfiguration())
nextcloudText.viewerAt(url!, metadata: metadata, editor: editor, view: self.backgroundView, viewController: self)
} else if errorCode != 0 {
NCContentPresenter.shared.messageNotification("_error_", description: errorMessage, delay: TimeInterval(k_dismissAfterSecond), type: NCContentPresenter.messageType.error, errorCode: errorCode)
self.navigationController?.popViewController(animated: true)
} else {
self.navigationController?.popViewController(animated: true)
}
}
} else {
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
let nextcloudText = NCViewerNextcloudText.init(frame: frame, configuration: WKWebViewConfiguration())
nextcloudText.viewerAt(metadata.url, metadata: metadata, editor: editor, view: backgroundView, viewController: self)
}
}
return
}
// RichDocument: Collabora
if NCUtility.sharedInstance.isRichDocument(metadata) && appDelegate.reachability.isReachable() {
NCUtility.sharedInstance.startActivityIndicator(view: backgroundView, bottom: 0)
if metadata.url == "" {
OCNetworking.sharedManager()?.createLinkRichdocuments(withAccount: appDelegate.activeAccount, fileId: metadata.fileId, completion: { (account, url, errorMessage, errorCode) in
if errorCode == 0 && account == self.appDelegate.activeAccount && url != nil {
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
let richDocument = NCViewerRichdocument.init(frame: frame, configuration: WKWebViewConfiguration())
richDocument.viewRichDocumentAt(url!, metadata: metadata, view: self.backgroundView, viewController: self)
} else if errorCode != 0 {
NCContentPresenter.shared.messageNotification("_error_", description: errorMessage, delay: TimeInterval(k_dismissAfterSecond), type: NCContentPresenter.messageType.error, errorCode: errorCode)
self.navigationController?.popViewController(animated: true)
} else {
self.navigationController?.popViewController(animated: true)
}
})
} else {
let richDocument = NCViewerRichdocument.init(frame: backgroundView.frame, configuration: WKWebViewConfiguration())
richDocument.viewRichDocumentAt(metadata.url, metadata: metadata, view: backgroundView, viewController: self)
}
}
}
// OTHER
let frame = CGRect(x: 0, y: 0, width: self.backgroundView.frame.width, height: self.backgroundView.frame.height)
NCViewerDocumentWeb.sharedInstance.viewDocumentWebAt(metadata, view: backgroundView, frame: frame)
}
}
//MARK: - viewerImageViewController - Delegate/DataSource
extension NCDetailViewController: NCViewerImageViewControllerDelegate, NCViewerImageViewControllerDataSource {
func viewImage() {
for view in backgroundView.subviews { view.removeFromSuperview() }
if let metadatas = NCViewerImageCommon.shared.getMetadatasDatasource(metadata: self.metadata, favoriteDatasorce: favoriteFilterImage, mediaDatasorce: mediaFilterImage, offLineDatasource: offlineFilterImage) {
var counter = 0
for metadata in metadatas {
if metadata.ocId == self.metadata!.ocId { viewerImageViewControllerIndexStart = counter }
counter += 1
}
self.metadatas = metadatas
viewerImageViewController = NCViewerImageViewController(index: viewerImageViewControllerIndexStart, dataSource: self, delegate: self)
if viewerImageViewController != nil {
self.backgroundView.image = nil
viewerImageViewController!.view.isHidden = true
viewerImageViewController!.enableInteractiveDismissal = true
addChild(viewerImageViewController!)
backgroundView.addSubview(viewerImageViewController!.view)
viewerImageViewController!.view.frame = CGRect(x: 0, y: 0, width: backgroundView.frame.width, height: backgroundView.frame.height)
viewerImageViewController!.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
viewerImageViewController!.didMove(toParent: self)
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(100)) {
self.viewerImageViewController!.changeInViewSize(to: self.backgroundView.frame.size)
self.viewerImageViewController!.view.isHidden = false
}
}
}
}
func numberOfItems(in viewerImageViewController: NCViewerImageViewController) -> Int {
return metadatas.count
}
func viewerImageViewController(_ viewerImageViewController: NCViewerImageViewController, imageAt index: Int, completion: @escaping NCViewerImageViewControllerDataSource.CompletionBlock) {
if index >= metadatas.count { return }
let metadata = metadatas[index]
// Refresh self metadata && title
if viewerImageViewController.index < metadatas.count {
self.metadata = metadatas[viewerImageViewController.index]
self.navigationController?.navigationBar.topItem?.title = self.metadata!.fileNameView
}
// Original only for the first
if CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) > 0 && index == viewerImageViewControllerIndexStart {
if let image = NCViewerImageCommon.shared.getImage(metadata: metadata) {
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(100)) {
completion(index, image, ZoomScale.default, nil)
}
} else {
completion(index, self.getImageOffOutline(), ZoomScale.default, nil)
}
// Preview
} else if CCUtility.fileProviderStorageIconExists(metadata.ocId, fileNameView: metadata.fileNameView) {
if let image = NCViewerImageCommon.shared.getThumbnailImage(metadata: metadata) {
completion(index, image, ZoomScale.default, nil)
} else {
completion(index, self.getImageOffOutline(), ZoomScale.default, nil)
}
} else {
let fileNamePath = CCUtility.returnFileNamePath(fromFileName: metadata.fileName, serverUrl: metadata.serverUrl, activeUrl: appDelegate.activeUrl)!
let fileNameLocalPath = CCUtility.getDirectoryProviderStorageIconOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
NCCommunication.sharedInstance.downloadPreview(serverUrl: appDelegate.activeUrl, fileNamePath: fileNamePath, fileNameLocalPath: fileNameLocalPath, width: NCUtility.sharedInstance.getScreenWidthForPreview(), height: NCUtility.sharedInstance.getScreenHeightForPreview(), account: metadata.account) { (account, data, errorCode, errorMessage) in
if errorCode == 0 && data != nil {
do {
let url = URL.init(fileURLWithPath: fileNameLocalPath)
try data!.write(to: url, options: .atomic)
completion(index, UIImage.init(data: data!), ZoomScale.default, nil)
} catch {
completion(index, self.getImageOffOutline(), ZoomScale.default, nil)
}
} else {
completion(index, self.getImageOffOutline(), ZoomScale.default, nil)
}
}
}
}
func viewerImageViewController(_ viewerImageViewController: NCViewerImageViewController, didChangeFocusTo index: Int, view: NCViewerImageContentView) {
if index >= metadatas.count { return }
let metadata = metadatas[index]
DispatchQueue.global().async {
if let image = NCViewerImageCommon.shared.getImage(metadata: metadata) {
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(400)) {
view.image = image
}
}
}
}
func viewerImageViewControllerTap(_ viewerImageViewController: NCViewerImageViewController) {
guard let navigationController = self.navigationController else { return }
if navigationController.isNavigationBarHidden {
navigateControllerBarHidden(false)
} else {
navigateControllerBarHidden(true)
}
NCViewerImageCommon.shared.imageChangeSizeView(viewerImageViewController: viewerImageViewController, size: self.backgroundView.frame.size, metadata: metadata)
}
func viewerImageViewControllerDismiss() {
viewUnload()
}
func getImageOffOutline() -> UIImage {
let image = CCGraphics.changeThemingColorImage(UIImage.init(named: "imageOffOutline"), width: self.view.frame.width, height: self.view.frame.width, color: NCBrandColor.sharedInstance.brand)
return image!
}
}