//
// NCViewerProviderContextMenu.swift
// Nextcloud
//
// Created by Marino Faggiana on 12/01/21.
// Copyright © 2021 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 AVFoundation
import NCCommunication
class NCViewerProviderContextMenu: UIViewController {
private let imageView = UIImageView()
private var videoLayer: AVPlayerLayer?
private var audioPlayer: AVAudioPlayer?
private var metadata: tableMetadata?
private var metadataLivePhoto: tableMetadata?
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
init(metadata: tableMetadata) {
super.init(nibName: nil, bundle: nil)
self.metadata = metadata
self.metadataLivePhoto = NCManageDatabase.shared.getMetadataLivePhoto(metadata: metadata)
NotificationCenter.default.addObserver(self, selector: #selector(downloadStartFile(_:)), name: NSNotification.Name(rawValue: NCGlobal.shared.notificationCenterDownloadStartFile), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(downloadedFile(_:)), name: NSNotification.Name(rawValue: NCGlobal.shared.notificationCenterDownloadedFile), object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(downloadCancelFile(_:)), name: NSNotification.Name(rawValue: NCGlobal.shared.notificationCenterDownloadCancelFile), object: nil)
if metadata.directory {
let image = UIImage(named: "folder")!.image(color: NCBrandColor.shared.brandElement, size: UIScreen.main.bounds.width / 2)
imageView.image = image
imageView.frame = resize(image.size)
} else {
// ICON
if let image = UIImage.init(named: metadata.iconName)?.resizeImage(size: CGSize(width: UIScreen.main.bounds.width / 2, height: UIScreen.main.bounds.height / 2), isAspectRation: true) {
imageView.image = image
imageView.frame = resize(image.size)
}
// PREVIEW
if CCUtility.fileProviderStoragePreviewIconExists(metadata.ocId, etag: metadata.etag) {
if let image = UIImage.init(contentsOfFile: CCUtility.getDirectoryProviderStoragePreviewOcId(metadata.ocId, etag: metadata.etag)) {
imageView.image = image
imageView.frame = resize(image.size)
}
}
// VIEW IMAGE
if metadata.typeFile == NCGlobal.shared.metadataTypeFileImage && CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) {
viewImage(metadata: metadata)
}
// VIEW LIVE PHOTO
if metadataLivePhoto != nil && CCUtility.fileProviderStorageExists(metadataLivePhoto!.ocId, fileNameView: metadataLivePhoto!.fileNameView) {
viewVideo(metadata: metadataLivePhoto!)
}
// VIEW VIDEO
if metadata.typeFile == NCGlobal.shared.metadataTypeFileVideo && CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) {
viewVideo(metadata: metadata)
}
// PLAY SOUND
if metadata.typeFile == NCGlobal.shared.metadataTypeFileAudio && CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) {
playSound(metadata: metadata)
}
// AUTO DOWNLOAD VIDEO / AUDIO
// if !CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) && (metadata.typeFile == NCGlobal.shared.metadataTypeFileVideo || metadata.typeFile == NCGlobal.shared.metadataTypeFileAudio || metadata.contentType == "application/pdf") {
if !CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) && (metadata.typeFile == NCGlobal.shared.metadataTypeFileVideo || metadata.typeFile == NCGlobal.shared.metadataTypeFileAudio) {
var maxDownload: UInt64 = 0
if NCNetworking.shared.networkReachability == NCCommunicationCommon.typeReachability.reachableCellular {
maxDownload = NCGlobal.shared.maxAutoDownloadCellular
} else {
maxDownload = NCGlobal.shared.maxAutoDownload
}
if metadata.size <= maxDownload {
NCOperationQueue.shared.download(metadata: metadata, selector: "")
}
}
// AUTO DOWNLOAD IMAGE GIF
if !CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) && metadata.contentType == "image/gif" {
NCOperationQueue.shared.download(metadata: metadata, selector: "")
}
// AUTO DOWNLOAD LIVE PHOTO
if let metadataLivePhoto = self.metadataLivePhoto {
if !CCUtility.fileProviderStorageExists(metadataLivePhoto.ocId, fileNameView: metadataLivePhoto.fileNameView) {
NCOperationQueue.shared.download(metadata: metadataLivePhoto, selector: "")
}
}
}
}
override func loadView() {
view = imageView
imageView.contentMode = .scaleAspectFill
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
if let videoLayer = self.videoLayer {
if videoLayer.frame == CGRect.zero {
videoLayer.frame = imageView.frame
} else {
imageView.frame = videoLayer.frame
}
}
preferredContentSize = imageView.frame.size
}
// MARK: - NotificationCenter
@objc func downloadStartFile(_ notification: NSNotification) {
if self.view?.window == nil { return }
if let userInfo = notification.userInfo as NSDictionary? {
if let ocId = userInfo["ocId"] as? String {
if ocId == self.metadata?.ocId || ocId == self.metadataLivePhoto?.ocId {
NCUtility.shared.startActivityIndicator(backgroundView: self.view, blurEffect: false)
}
}
}
}
@objc func downloadedFile(_ notification: NSNotification) {
if self.view?.window == nil { return }
if let userInfo = notification.userInfo as NSDictionary? {
if let ocId = userInfo["ocId"] as? String, let metadata = NCManageDatabase.shared.getMetadataFromOcId(ocId), let errorCode = userInfo["errorCode"] as? Int {
if errorCode == 0 && metadata.ocId == self.metadata?.ocId {
if metadata.typeFile == NCGlobal.shared.metadataTypeFileImage {
viewImage(metadata: metadata)
} else if metadata.typeFile == NCGlobal.shared.metadataTypeFileVideo {
viewVideo(metadata: metadata)
} else if metadata.typeFile == NCGlobal.shared.metadataTypeFileAudio {
playSound(metadata: metadata)
}
}
if errorCode == 0 && metadata.ocId == self.metadataLivePhoto?.ocId {
viewVideo(metadata: metadata)
}
if ocId == self.metadata?.ocId || ocId == self.metadataLivePhoto?.ocId {
NCUtility.shared.stopActivityIndicator()
}
}
}
}
@objc func downloadCancelFile(_ notification: NSNotification) {
if self.view?.window == nil { return }
if let userInfo = notification.userInfo as NSDictionary? {
if let ocId = userInfo["ocId"] as? String {
if ocId == self.metadata?.ocId || ocId == self.metadataLivePhoto?.ocId {
NCUtility.shared.stopActivityIndicator()
}
}
}
}
// MARK: - Viewer
private func viewImage(metadata: tableMetadata) {
var image: UIImage?
let filePath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
if metadata.contentType == "image/gif" {
image = UIImage.animatedImage(withAnimatedGIFURL: URL(fileURLWithPath: filePath))
} else {
image = UIImage.init(contentsOfFile: filePath)
}
imageView.image = image
imageView.frame = resize(image?.size)
}
func playSound(metadata: tableMetadata) {
let filePath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
do {
try AVAudioSession.sharedInstance().setCategory(.playback, mode: .default)
try AVAudioSession.sharedInstance().setActive(true)
audioPlayer = try AVAudioPlayer(contentsOf: URL(fileURLWithPath: filePath), fileTypeHint: AVFileType.mp3.rawValue)
guard let player = audioPlayer else { return }
player.play()
} catch let error {
print(error.localizedDescription)
}
preferredContentSize = imageView.frame.size
}
private func viewVideo(metadata: tableMetadata) {
let filePath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
if let resolutionVideo = resolutionForLocalVideo(url: URL(fileURLWithPath: filePath)) {
let player = AVPlayer(url: URL(fileURLWithPath: filePath))
self.videoLayer = AVPlayerLayer(player: player)
if let videoLayer = self.videoLayer {
videoLayer.videoGravity = .resizeAspectFill
imageView.image = nil
imageView.frame = resize(resolutionVideo)
imageView.layer.addSublayer(videoLayer)
}
player.isMuted = true
player.play()
}
}
private func resolutionForLocalVideo(url: URL) -> CGSize? {
guard let track = AVURLAsset(url: url).tracks(withMediaType: AVMediaType.video).first else { return nil }
let size = track.naturalSize.applying(track.preferredTransform)
return CGSize(width: abs(size.width), height: abs(size.height))
}
private func resize(_ size: CGSize?) -> CGRect {
var height = UIScreen.main.bounds.height/2
var width = UIScreen.main.bounds.width/2
var frame = CGRect.zero
guard let size = size else {
preferredContentSize = frame.size
return frame
}
if size.width < width {
frame = CGRect(x: 0, y: 0, width: size.width, height: size.height)
preferredContentSize = frame.size
return frame
}
if size.width >= size.height {
height = UIScreen.main.bounds.height
width = UIScreen.main.bounds.width
}
let originRatio = size.width / size.height
let newRatio = UIScreen.main.bounds.width / UIScreen.main.bounds.height
var newSize = CGSize.zero
if originRatio < newRatio {
newSize.height = height
newSize.width = height * originRatio
} else {
newSize.width = width
newSize.height = width / originRatio
}
frame = CGRect(x: 0, y: 0, width: newSize.width, height: newSize.height)
preferredContentSize = frame.size
return frame
}
}