//
// 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 NCCommunication
class NCViewerProviderContextMenu: UIViewController {
private let imageView = UIImageView()
private var videoLayer: AVPlayerLayer?
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.isLivePhoto(metadata: metadata)
NotificationCenter.default.addObserver(self, selector: #selector(downloadedFile(_:)), name: NSNotification.Name(rawValue: NCBrandGlobal.shared.notificationCenterDownloadedFile), object: nil)
if metadata.directory {
imageView.image = UIImage(named: "folder")!.image(color: NCBrandColor.shared.brandElement, size: UIScreen.main.bounds.width / 2)
imageView.frame = CGRect(x: 0, y: 0, width: imageView.image?.size.width ?? 0, height: imageView.image?.size.height ?? 0)
preferredContentSize = imageView.frame.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 = CGRect(x: 0, y: 0, width: imageView.image?.size.width ?? 0, height: imageView.image?.size.height ?? 0)
preferredContentSize = imageView.frame.size
}
// PREVIEW
if CCUtility.fileProviderStoragePreviewIconExists(metadata.ocId, etag: metadata.etag) {
imageView.image = UIImage.init(contentsOfFile: CCUtility.getDirectoryProviderStoragePreviewOcId(metadata.ocId, etag: metadata.etag))
imageView.frame = CGRect(x: 0, y: 0, width: imageView.image?.size.width ?? 0, height: imageView.image?.size.height ?? 0)
preferredContentSize = imageView.frame.size
}
// VIEW IMAGE
if metadata.typeFile == NCBrandGlobal.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 == NCBrandGlobal.shared.metadataTypeFileVideo && CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView)) {
viewVideo(metadata: metadata)
}
// AUTO DOWNLOAD
if !CCUtility.fileProviderStorageExists(metadata.ocId, fileNameView: metadata.fileNameView) {
NCOperationQueue.shared.download(metadata: metadata, selector: "", setFavorite: false)
}
if let metadataLivePhoto = self.metadataLivePhoto {
if !CCUtility.fileProviderStorageExists(metadataLivePhoto.ocId, fileNameView: metadataLivePhoto.fileNameView) {
NCOperationQueue.shared.download(metadata: metadataLivePhoto, selector: "", setFavorite: false)
}
}
}
}
override func loadView() {
view = imageView
imageView.contentMode = .scaleAspectFit
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
if let videoLayer = self.videoLayer {
if videoLayer.frame.width == 0 && videoLayer.frame.height == 0 {
videoLayer.frame = imageView.frame
} else {
imageView.frame = videoLayer.frame
}
}
}
@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 == NCBrandGlobal.shared.metadataTypeFileImage {
viewImage(metadata: metadata)
} else if metadata.typeFile == NCBrandGlobal.shared.metadataTypeFileVideo {
viewVideo(metadata: metadata)
}
}
if errorCode == 0 && metadata.ocId == self.metadataLivePhoto?.ocId {
viewVideo(metadata: metadata)
}
}
}
}
private func viewImage(metadata: tableMetadata) {
var image: UIImage?
let ext = CCUtility.getExtension(metadata.fileNameView)
let filePath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileNameView)!
if ext == "GIF" {
image = UIImage.animatedImage(withAnimatedGIFURL: URL(fileURLWithPath: filePath))
} else {
image = UIImage.init(contentsOfFile: filePath)
}
imageView.image = image
imageView.frame = CGRect(x: 0, y: 0, width: image?.size.width ?? 0, height: image?.size.height ?? 0)
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 originRatio = resolutionVideo.width / resolutionVideo.height
let newRatio = UIScreen.main.bounds.width / UIScreen.main.bounds.height
var newSize = resolutionVideo
if originRatio < newRatio {
newSize.height = UIScreen.main.bounds.height
newSize.width = UIScreen.main.bounds.height * originRatio
} else {
newSize.width = UIScreen.main.bounds.width
newSize.height = UIScreen.main.bounds.width / originRatio
}
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 = CGRect(x: 0, y: 0, width: newSize.width, height: newSize.height)
imageView.layer.addSublayer(videoLayer)
}
player.isMuted = true
player.play()
preferredContentSize = imageView.frame.size
}
}
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))
}
}