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//
// NCViewer.swift
// Nextcloud
//
// Created by Marino Faggiana on 16/10/2020.
// 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 UIKit
import NextcloudKit
import QuickLook
class NCViewer: NSObject {
@objc static let shared: NCViewer = {
let instance = NCViewer()
return instance
}()
let appDelegate = UIApplication.shared.delegate as! AppDelegate
private var viewerQuickLook: NCViewerQuickLook?
private var metadata = tableMetadata()
private var metadatas: [tableMetadata] = []
func view(viewController: UIViewController, metadata: tableMetadata, metadatas: [tableMetadata], imageIcon: UIImage?, editor: String = "", isRichDocument: Bool = false) {
self.metadata = metadata
self.metadatas = metadatas
var editor = editor
var xxxxxxx = NKCommon.shared.getInternalTypeIdentifier(typeIdentifier: metadata.contentType)
// URL
if metadata.classFile == NKCommon.typeClassFile.url.rawValue {
// nextcloudtalk://open-conversation?server={serverURL}&user={userId}&withRoomToken={roomToken}
if metadata.name == NCGlobal.shared.talkName {
let pathComponents = metadata.url.components(separatedBy: "/")
if pathComponents.contains("call") {
let talkComponents = pathComponents.last?.components(separatedBy: "#")
if let roomToken = talkComponents?.first {
let urlString = "nextcloudtalk://open-conversation?server=\(appDelegate.urlBase)&user=\(appDelegate.userId)&withRoomToken=\(roomToken)"
if let url = URL(string: urlString), UIApplication.shared.canOpenURL(url) {
UIApplication.shared.open(url)
return
}
}
}
}
if let url = URL(string: metadata.url) {
UIApplication.shared.open(url)
}
return
}
// IMAGE AUDIO VIDEO
if metadata.classFile == NKCommon.typeClassFile.image.rawValue || metadata.classFile == NKCommon.typeClassFile.audio.rawValue || metadata.classFile == NKCommon.typeClassFile.video.rawValue {
if let navigationController = viewController.navigationController {
let viewerMediaPageContainer: NCViewerMediaPage = UIStoryboard(name: "NCViewerMediaPage", bundle: nil).instantiateInitialViewController() as! NCViewerMediaPage
var index = 0
for medatasImage in metadatas {
if medatasImage.ocId == metadata.ocId {
viewerMediaPageContainer.currentIndex = index
break
}
index += 1
}
viewerMediaPageContainer.metadatas = metadatas
navigationController.pushViewController(viewerMediaPageContainer, animated: true)
}
return
}
// DOCUMENTS
if metadata.classFile == NKCommon.typeClassFile.document.rawValue {
// PDF
if metadata.contentType == "application/pdf" || metadata.contentType == "com.adobe.pdf" {
if let navigationController = viewController.navigationController {
let viewController: NCViewerPDF = UIStoryboard(name: "NCViewerPDF", bundle: nil).instantiateInitialViewController() as! NCViewerPDF
viewController.metadata = metadata
viewController.imageIcon = imageIcon
navigationController.pushViewController(viewController, animated: true)
}
return
}
// EDITORS
let editors = NCUtility.shared.isDirectEditing(account: metadata.account, contentType: metadata.contentType)
let availableRichDocument = NCUtility.shared.isRichDocument(metadata)
// RichDocument: Collabora
if (isRichDocument || (availableRichDocument && editors.count == 0)) && NextcloudKit.shared.isNetworkReachable() {
if metadata.url == "" {
NCActivityIndicator.shared.start(backgroundView: viewController.view)
NextcloudKit.shared.createUrlRichdocuments(fileID: metadata.fileId) { account, url, data, error in
NCActivityIndicator.shared.stop()
if error == .success && account == self.appDelegate.account && url != nil {
if let navigationController = viewController.navigationController {
let viewController: NCViewerRichdocument = UIStoryboard(name: "NCViewerRichdocument", bundle: nil).instantiateInitialViewController() as! NCViewerRichdocument
viewController.metadata = metadata
viewController.link = url!
viewController.imageIcon = imageIcon
navigationController.pushViewController(viewController, animated: true)
}
} else if error != .success {
NCContentPresenter.shared.showError(error: error)
}
}
} else {
if let navigationController = viewController.navigationController {
let viewController: NCViewerRichdocument = UIStoryboard(name: "NCViewerRichdocument", bundle: nil).instantiateInitialViewController() as! NCViewerRichdocument
viewController.metadata = metadata
viewController.link = metadata.url
viewController.imageIcon = imageIcon
navigationController.pushViewController(viewController, animated: true)
}
}
return
}
// DirectEditing: Nextcloud Text - OnlyOffice
if editors.count > 0 && NextcloudKit.shared.isNetworkReachable() {
if editor == "" {
if editors.contains(NCGlobal.shared.editorText) {
editor = NCGlobal.shared.editorText
} else if editors.contains(NCGlobal.shared.editorOnlyoffice) {
editor = NCGlobal.shared.editorOnlyoffice
}
}
if editor == NCGlobal.shared.editorText || editor == NCGlobal.shared.editorOnlyoffice {
if metadata.url == "" {
let fileNamePath = CCUtility.returnFileNamePath(fromFileName: metadata.fileName, serverUrl: metadata.serverUrl, urlBase: metadata.urlBase, account: metadata.account)!
var options = NKRequestOptions()
if editor == NCGlobal.shared.editorOnlyoffice {
options = NKRequestOptions(customUserAgent: NCUtility.shared.getCustomUserAgentOnlyOffice())
} else {
options = NKRequestOptions(customUserAgent: NCUtility.shared.getCustomUserAgentNCText())
}
NCActivityIndicator.shared.start(backgroundView: viewController.view)
NextcloudKit.shared.NCTextOpenFile(fileNamePath: fileNamePath, editor: editor, options: options) { account, url, data, error in
NCActivityIndicator.shared.stop()
if error == .success && account == self.appDelegate.account && url != nil {
if let navigationController = viewController.navigationController {
let viewController: NCViewerNextcloudText = UIStoryboard(name: "NCViewerNextcloudText", bundle: nil).instantiateInitialViewController() as! NCViewerNextcloudText
viewController.metadata = metadata
viewController.editor = editor
viewController.link = url!
viewController.imageIcon = imageIcon
navigationController.pushViewController(viewController, animated: true)
}
} else if error != .success {
NCContentPresenter.shared.showError(error: error)
}
}
} else {
if let navigationController = viewController.navigationController {
let viewController: NCViewerNextcloudText = UIStoryboard(name: "NCViewerNextcloudText", bundle: nil).instantiateInitialViewController() as! NCViewerNextcloudText
viewController.metadata = metadata
viewController.editor = editor
viewController.link = metadata.url
viewController.imageIcon = imageIcon
navigationController.pushViewController(viewController, animated: true)
}
}
} else {
let error = NKError(errorCode: NCGlobal.shared.errorInternalError, errorDescription: "_editor_unknown_")
NCContentPresenter.shared.showError(error: error)
}
return
}
}
// QLPreview
let item = URL(fileURLWithPath: CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView))
if QLPreviewController.canPreview(item as QLPreviewItem) {
let fileNamePath = NSTemporaryDirectory() + metadata.fileNameView
CCUtility.copyFile(atPath: CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView), toPath: fileNamePath)
let viewerQuickLook = NCViewerQuickLook(with: URL(fileURLWithPath: fileNamePath), isEditingEnabled: false, metadata: metadata)
viewController.present(viewerQuickLook, animated: true)
} else {
// Document Interaction Controller
NCFunctionCenter.shared.openDocumentController(metadata: metadata)
}
}
}
// MARK: - SELECT
extension NCViewer: NCSelectDelegate {
func dismissSelect(serverUrl: String?, metadata: tableMetadata?, type: String, items: [Any], overwrite: Bool, copy: Bool, move: Bool) {
if let serverUrl = serverUrl {
let metadata = items[0] as! tableMetadata
if move {
NCNetworking.shared.moveMetadata(metadata, serverUrlTo: serverUrl, overwrite: overwrite) { error in
if error != .success {
NCContentPresenter.shared.showError(error: error)
}
}
} else if copy {
NCNetworking.shared.copyMetadata(metadata, serverUrlTo: serverUrl, overwrite: overwrite) { error in
if error != .success {
NCContentPresenter.shared.showError(error: error)
}
}
}
}
}
}
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