// // NCViewerImagemeter.swift // Nextcloud // // Created by Marino Faggiana on 22/03/2019. // Copyright © 2019 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 Foundation class NCViewerImagemeter: NSObject { private var imagemeterView: IMImagemeterView! private let appDelegate = UIApplication.shared.delegate as! AppDelegate private var nameArchiveImagemeter: String = "" private var pathArchiveImagemeter: String = "" private var annotation: IMImagemeterCodable.imagemeterAnnotation? private var audioPlayer = AVAudioPlayer() private var timer = Timer() private var durationPlayer: TimeInterval = 0 private var counterSecondPlayer: TimeInterval = 0 private var metadata: tableMetadata! private var detail: CCDetail! private var safeAreaBottom: Int = 0 private let dimButton: CGFloat = 30.0 @objc public init(metadata: tableMetadata, detail: CCDetail) { super.init() self.metadata = metadata self.detail = detail } @objc public func viewImagemeter() { guard let rootView = UIApplication.shared.keyWindow else { return } if #available(iOS 11.0, *) { safeAreaBottom = Int(rootView.safeAreaInsets.bottom) } for view in self.detail.view.subviews { if view is IMImagemeterView { view.removeFromSuperview() } } nameArchiveImagemeter = (metadata.fileNameView as NSString).deletingPathExtension pathArchiveImagemeter = CCUtility.getDirectoryProviderStorageFileID(metadata.fileID) + "/" + nameArchiveImagemeter self.imagemeterView = IMImagemeterView.instanceFromNib() as? IMImagemeterView self.imagemeterView.frame = CGRect(x: 0, y: 0, width: Int(detail.view.frame.width), height: Int(detail.view.frame.height) - Int(k_detail_Toolbar_Height) - safeAreaBottom - 1) detail.view.addSubview(imagemeterView) do { let annoPath = (pathArchiveImagemeter + "/anno-" + nameArchiveImagemeter + ".imm").url let annoData = try Data(contentsOf: annoPath, options: .mappedIfSafe) if let annotation = IMImagemeterCodable.sharedInstance.decoderAnnotetion(annoData) { self.annotation = annotation imageImagemeter() audioImagemeter() } else { appDelegate.messageNotification("_error_", description: "_error_decompressing_", visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: Int(k_CCErrorInternalError)) } } catch { print("error:\(error)") } } private func imageImagemeter() { guard let annotation = self.annotation else { return } let imageFilename = annotation.image.filename if let image = UIImage(contentsOfFile: pathArchiveImagemeter + "/" + imageFilename) { let factor = image.size.width / image.size.height imagemeterView.imageHeightConstraint.constant = imagemeterView.bounds.size.width / factor imagemeterView.image.image = NCUtility.sharedInstance.resizeImage(image: image, newWidth: imagemeterView.bounds.size.width) } } private func audioImagemeter() { guard let annotation = self.annotation else { return } if annotation.elements != nil { for element in annotation.elements! { if element.audio_recording == nil { continue } let center = IMImagemeterCodable.sharedInstance.convertCoordinate(x: element.center.x, y: element.center.y, width: imagemeterView.bounds.width, height: imagemeterView.imageHeightConstraint.constant) let button = UIButton() button.frame = CGRect(x: center.x - dimButton/2, y: center.y - dimButton/2, width: dimButton, height: dimButton) button.setImage(UIImage(named: "audioPlayFull"), for: .normal) button.addTarget(self, action: #selector(buttonAction), for: .touchUpInside) button.tag = element.id imagemeterView.image.addSubview(button) if element.arrows != nil { for arrow in element.arrows! { let endPt = IMImagemeterCodable.sharedInstance.convertCoordinate(x: arrow.end_pt.x, y: arrow.end_pt.y, width: imagemeterView.bounds.width, height: imagemeterView.imageHeightConstraint.constant) imagemeterView.image.image = drawLineOnImage(startingImage: imagemeterView.image.image!, x: center.x, y: center.y, endX: endPt.x, endY: endPt.y, color: .yellow, size: 1.5) } } } } } private func drawLineOnImage(startingImage: UIImage, x: CGFloat, y: CGFloat, endX:CGFloat, endY:CGFloat, color: UIColor, size: CGFloat) -> UIImage { // Create a context of the starting image size and set it as the current one UIGraphicsBeginImageContext(startingImage.size) // Draw the starting image in the current context as background startingImage.draw(at: CGPoint.zero) // Get the current context let context = UIGraphicsGetCurrentContext()! // Draw a red line context.setLineWidth(size) context.setStrokeColor(color.cgColor) context.move(to: CGPoint(x: x, y: y)) context.addLine(to: CGPoint(x: endX, y: endY)) context.strokePath() // Save the context as a new UIImage let image = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() return image! } @objc private func buttonAction(sender: UIButton!) { guard let annotation = self.annotation else { return } for element in annotation.elements! { if element.id == sender.tag { do { let fileNamePath = pathArchiveImagemeter + "/" + element.audio_recording!.recording_filename try audioPlayer = AVAudioPlayer(contentsOf: URL(fileURLWithPath: fileNamePath)) audioPlayer.delegate = self audioPlayer.prepareToPlay() audioPlayer.play() durationPlayer = TimeInterval(audioPlayer.duration) counterSecondPlayer = 0 timer.invalidate() timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(updateTimer), userInfo: nil, repeats: true) } catch { } } } } @objc private func updateTimer() { counterSecondPlayer += 1 imagemeterView.progressView.progress = Float(counterSecondPlayer / durationPlayer) } } extension NCViewerImagemeter: AVAudioPlayerDelegate { func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) { updateTimer() timer.invalidate() counterSecondPlayer = 0 DispatchQueue.main.asyncAfter(deadline: .now() + 1) { self.imagemeterView.progressView.progress = 0 } } } class IMImagemeterView: UIView { @IBOutlet weak var image: UIImageView! @IBOutlet weak var imageHeightConstraint: NSLayoutConstraint! @IBOutlet weak var progressView: UIProgressView! class func instanceFromNib() -> UIView { return UINib(nibName: "IMImagemeterView", bundle: nil).instantiate(withOwner: nil, options: nil)[0] as! UIView } override func awakeFromNib() { super.awakeFromNib() image.isUserInteractionEnabled = true progressView.progressTintColor = NCBrandColor.sharedInstance.brandElement progressView.trackTintColor = UIColor(red: 247.0/255.0, green: 247.0/255.0, blue: 247.0/255.0, alpha: 1.0) progressView.progress = 0 } }