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-//
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-// NCViewerImagemeter.swift
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-// Nextcloud
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-//
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-// Created by Marino Faggiana on 22/03/2019.
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-// Copyright © 2019 Marino Faggiana. All rights reserved.
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-//
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-// Author Marino Faggiana <marino.faggiana@nextcloud.com>
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-//
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-// This program is free software: you can redistribute it and/or modify
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-// it under the terms of the GNU General Public License as published by
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-// the Free Software Foundation, either version 3 of the License, or
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-// (at your option) any later version.
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-//
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-// This program is distributed in the hope that it will be useful,
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-// but WITHOUT ANY WARRANTY; without even the implied warranty of
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-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-// GNU General Public License for more details.
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-//
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-// You should have received a copy of the GNU General Public License
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-// along with this program. If not, see <http://www.gnu.org/licenses/>.
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-//
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-
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-import Foundation
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-
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-class NCViewerImagemeter: NSObject {
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-
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- private var imagemeterView: IMImagemeterView!
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-
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- private let appDelegate = UIApplication.shared.delegate as! AppDelegate
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-
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- private var annotation: IMImagemeterCodable.imagemeterAnnotation?
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-
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- private var immFileNamePath: String = ""
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- private var bundleDirectory: String = ""
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-
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- private var audioPlayer = AVAudioPlayer()
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- private var timer = Timer()
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-
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- private var durationPlayer: TimeInterval = 0
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- private var counterSecondPlayer: TimeInterval = 0
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-
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- private var metadata: tableMetadata!
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- private var detail: CCDetail!
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-
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- private var safeAreaBottom: Int = 0
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- private let dimButton: CGFloat = 30.0
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-
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- @objc public init(metadata: tableMetadata, detail: CCDetail) {
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- super.init()
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-
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- self.metadata = metadata
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- self.detail = detail
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- }
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-
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- @objc public func viewImagemeter() {
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-
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- guard let rootView = UIApplication.shared.keyWindow else {
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- return
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- }
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- if #available(iOS 11.0, *) {
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- safeAreaBottom = Int(rootView.safeAreaInsets.bottom)
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- }
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-
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- for view in self.detail.view.subviews {
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- if view is IMImagemeterView {
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- view.removeFromSuperview()
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- }
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- }
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-
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- let bundleDirectory = IMImagemeter.sharedInstance.getBundleDirectory(metadata: metadata)
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- self.bundleDirectory = bundleDirectory.bundleDirectory
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- self.immFileNamePath = bundleDirectory.immPath
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-
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- self.imagemeterView = IMImagemeterView.instanceFromNib() as? IMImagemeterView
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- 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)
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-
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- detail.view.addSubview(imagemeterView)
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-
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- do {
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-
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- let annoData = try Data(contentsOf: NSURL(fileURLWithPath: immFileNamePath) as URL, options: .mappedIfSafe)
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- if let annotation = IMImagemeterCodable.sharedInstance.decoderAnnotetion(annoData) {
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-
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- self.annotation = annotation
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- imageImagemeter()
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- audioImagemeter()
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-
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- } else {
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- appDelegate.messageNotification("_error_", description: "_error_json_decoding_", visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: Int(k_CCErrorInternalError))
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- }
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-
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- } catch {
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- print("error:\(error)")
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- }
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- }
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-
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- private func imageImagemeter() {
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-
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- guard let annotation = self.annotation else {
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- return
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- }
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-
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- let imageFilename = annotation.image.filename
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- if let image = UIImage(contentsOfFile: bundleDirectory + "/" + imageFilename) {
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-
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- let factor = image.size.width / image.size.height
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-
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- imagemeterView.imageHeightConstraint.constant = imagemeterView.bounds.size.width / factor
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- imagemeterView.image.image = NCUtility.sharedInstance.resizeImage(image: image, newWidth: imagemeterView.bounds.size.width)
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- }
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- }
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-
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- private func audioImagemeter() {
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-
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- guard let annotation = self.annotation else {
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- return
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- }
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-
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- if annotation.elements != nil {
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- for element in annotation.elements! {
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-
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- if element.audio_recording == nil {
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- continue
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- }
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-
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- let center = IMImagemeterCodable.sharedInstance.convertCoordinate(x: element.center?.x ?? 0, y: element.center?.y ?? 0, width: imagemeterView.bounds.width, height: imagemeterView.imageHeightConstraint.constant)
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-
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- let button = UIButton()
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- button.frame = CGRect(x: center.x - dimButton/2, y: center.y - dimButton/2, width: dimButton, height: dimButton)
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- button.setImage(UIImage(named: "audioPlayFull"), for: .normal)
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- button.addTarget(self, action: #selector(buttonAction), for: .touchUpInside)
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- button.tag = element.id
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-
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- imagemeterView.image.addSubview(button)
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-
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- if element.arrows != nil {
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- for arrow in element.arrows! {
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- let endPt = IMImagemeterCodable.sharedInstance.convertCoordinate(x: arrow.end_pt.x, y: arrow.end_pt.y, width: imagemeterView.bounds.width, height: imagemeterView.imageHeightConstraint.constant)
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- 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)
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- }
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- }
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- }
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- }
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- }
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-
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- private func drawLineOnImage(startingImage: UIImage, x: CGFloat, y: CGFloat, endX:CGFloat, endY:CGFloat, color: UIColor, size: CGFloat) -> UIImage {
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-
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- // Create a context of the starting image size and set it as the current one
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- UIGraphicsBeginImageContext(startingImage.size)
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-
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- // Draw the starting image in the current context as background
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- startingImage.draw(at: CGPoint.zero)
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-
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- // Get the current context
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- let context = UIGraphicsGetCurrentContext()!
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-
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- // Draw a red line
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- context.setLineWidth(size)
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- context.setStrokeColor(color.cgColor)
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- context.move(to: CGPoint(x: x, y: y))
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- context.addLine(to: CGPoint(x: endX, y: endY))
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- context.strokePath()
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-
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- // Save the context as a new UIImage
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- let image = UIGraphicsGetImageFromCurrentImageContext()
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- UIGraphicsEndImageContext()
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-
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- return image!
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- }
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-
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- @objc private func buttonAction(sender: UIButton!) {
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-
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- guard let annotation = self.annotation else {
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- return
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- }
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-
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- for element in annotation.elements! {
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- if element.id == sender.tag {
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- do {
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-
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- let fileNamePath = bundleDirectory + "/" + element.audio_recording!.recording_filename
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- try audioPlayer = AVAudioPlayer(contentsOf: URL(fileURLWithPath: fileNamePath))
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- audioPlayer.delegate = self
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- audioPlayer.prepareToPlay()
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- audioPlayer.play()
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-
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- durationPlayer = TimeInterval(audioPlayer.duration)
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- counterSecondPlayer = 0
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- timer.invalidate()
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- timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(updateTimer), userInfo: nil, repeats: true)
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-
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- } catch {
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-
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- }
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- }
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- }
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- }
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-
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- @objc private func updateTimer() {
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- counterSecondPlayer += 1
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- imagemeterView.progressView.progress = Float(counterSecondPlayer / durationPlayer)
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- }
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-}
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-
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-extension NCViewerImagemeter: AVAudioPlayerDelegate {
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-
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- func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
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-
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- updateTimer()
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- timer.invalidate()
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- counterSecondPlayer = 0
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-
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- DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
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- self.imagemeterView.progressView.progress = 0
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- }
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- }
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-}
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-
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-class IMImagemeterView: UIView {
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-
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- @IBOutlet weak var image: UIImageView!
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- @IBOutlet weak var imageHeightConstraint: NSLayoutConstraint!
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- @IBOutlet weak var progressView: UIProgressView!
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-
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- class func instanceFromNib() -> UIView {
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- return UINib(nibName: "IMImagemeterView", bundle: nil).instantiate(withOwner: nil, options: nil)[0] as! UIView
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- }
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-
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- override func awakeFromNib() {
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- super.awakeFromNib()
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-
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- image.isUserInteractionEnabled = true
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-
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- progressView.progressTintColor = NCBrandColor.sharedInstance.brandElement
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- progressView.trackTintColor = UIColor(red: 247.0/255.0, green: 247.0/255.0, blue: 247.0/255.0, alpha: 1.0)
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- progressView.progress = 0
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- }
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-}
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marinofaggiana