linphone-iphone/Classes/Swift/Util/Viewers/MediaViewer.swift
2023-06-28 13:10:29 +02:00

260 lines
9 KiB
Swift

/*
* Copyright (c) 2010-2020 Belledonne Communications SARL.
*
* This file is part of linphone-iphone
*
* 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 AVKit
import PDFKit
class MediaViewer: BackNextNavigationView, UICompositeViewDelegate, UIScrollViewDelegate, QLPreviewControllerDelegate, QLPreviewControllerDataSource {
static let compositeDescription = UICompositeViewDescription(MediaViewer.self, statusBar: StatusBarView.self, tabBar: nil, sideMenu: SideMenuView.self, fullscreen: false, isLeftFragment: false,fragmentWith: nil)
static func compositeViewDescription() -> UICompositeViewDescription! { return compositeDescription }
func compositeViewDescription() -> UICompositeViewDescription! { return type(of: self).compositeDescription }
var imageNameViewer = ""
var imagePathViewer = ""
var imageViewer = UIImage()
var previewItems : [QLPreviewItem?] = []
var contentType : String?
let shareButton = CallControlButton(buttonTheme:VoipTheme.nav_button("voip_export"))
//Image
var newImageView = UIImageView()
let imageViewViewer = UIImageView()
let imageScrollView = UIScrollView()
//Video
var player: AVPlayer? = AVPlayer()
var playerLayer = AVPlayerLayer()
//PDF
let pdfView = PDFView()
override func viewDidLoad() {
super.viewDidLoad(
backAction: {
PhoneMainView.instance().popView(self.compositeViewDescription())
},nextAction: {
},
nextActionEnableCondition: MutableLiveData(false),
title:"")
super.nextButton.isHidden = true
super.topBar.addSubview(shareButton)
shareButton.alignParentRight(withMargin: side_buttons_margin).alignParentBottom(withMargin: 18).alignParentTop(withMargin: 18).done()
shareButton.addTarget(self, action: #selector(shareMediaButton), for: .touchUpInside)
try! AVAudioSession.sharedInstance().setCategory(.playback)
UIDeviceBridge.displayModeSwitched.readCurrentAndObserve { _ in
self.view.backgroundColor = VoipTheme.voipBackgroundBWColor.get()
}
}
override func viewWillAppear(_ animated: Bool) {
newImageView.removeFromSuperview()
imageViewViewer.removeFromSuperview()
imageScrollView.removeFromSuperview()
playerLayer.removeFromSuperlayer()
pdfView.removeFromSuperview()
if contentType == "image" {
setUpImageView()
} else if contentType == "video" {
setUpPlayerContainerView()
} else if contentType == "file" {
if imageNameViewer.lowercased().components(separatedBy: ".").last == "pdf" {
displayPDF()
}
}
try! AVAudioSession.sharedInstance().setActive(true)
titleLabel.text = imageNameViewer
titleLabel.toRightOf(backButton).toLeftOf(shareButton).done()
}
override func viewDidAppear(_ animated: Bool) {
self.navigationController?.isNavigationBarHidden = false
self.tabBarController?.tabBar.isHidden = false
PhoneMainView.instance().hideStatusBar(false)
}
override func viewWillDisappear(_ animated: Bool) {
stopPlayer()
}
func stopPlayer() {
if let play = player {
play.pause()
play.replaceCurrentItem(with: nil)
try! AVAudioSession.sharedInstance().setActive(false)
print("Player deallocated")
} else {
print("Player was already deallocated")
}
}
override func didRotate(from fromInterfaceOrientation: UIInterfaceOrientation) {
dismissFullscreenImageRotated()
stopPlayer()
self.viewWillAppear(true)
}
@IBAction func imageTapped(_ sender: UITapGestureRecognizer) {
let imageView = sender.view as! UIImageView
newImageView = UIImageView(image: imageView.image)
newImageView.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height-20)
newImageView.backgroundColor = .black
newImageView.contentMode = .scaleAspectFit
newImageView.isUserInteractionEnabled = true
let tap = UITapGestureRecognizer(target: self, action: #selector(dismissFullscreenImage))
newImageView.addGestureRecognizer(tap)
self.view.addSubview(newImageView)
self.navigationController?.isNavigationBarHidden = true
self.tabBarController?.tabBar.isHidden = true
PhoneMainView.instance().hideStatusBar(true)
}
func dismissFullscreenImageRotated() {
self.navigationController?.isNavigationBarHidden = false
self.tabBarController?.tabBar.isHidden = false
PhoneMainView.instance().hideStatusBar(false)
}
@objc func dismissFullscreenImage(_ sender: UITapGestureRecognizer) {
self.navigationController?.isNavigationBarHidden = false
self.tabBarController?.tabBar.isHidden = false
PhoneMainView.instance().hideStatusBar(false)
sender.view?.removeFromSuperview()
}
func viewForZooming(in scrollView: UIScrollView) -> UIView? {
return self.imageViewViewer
}
@objc func shareMediaButton(_ sender: UIButton) {
let previewController = QLPreviewController()
self.previewItems = []
self.previewItems.append(self.getPreviewItem(filePath: imagePathViewer))
previewController.dataSource = self
previewController.delegate = self
PhoneMainView.instance().mainViewController.present(previewController, animated: true, completion: nil)
}
private func setUpImageView() {
let vWidth = self.view.bounds.size.width
let vHeight = self.view.bounds.size.height-66
imageScrollView.delegate = self
imageScrollView.frame = CGRect(x: 0, y: 66, width: vWidth, height: vHeight)
imageScrollView.showsVerticalScrollIndicator = true
imageScrollView.minimumZoomScale = 1.0
imageScrollView.maximumZoomScale = 10.0
self.view.addSubview(imageScrollView)
imageViewViewer.contentMode = .scaleAspectFit
imageScrollView.addSubview(imageViewViewer)
self.imageViewViewer.frame = CGRect(x: 0, y: 0, width: vWidth, height: vHeight)
self.view.bringSubviewToFront(topBar)
let pictureTap = UITapGestureRecognizer(target: self, action: #selector(imageTapped))
imageViewViewer.addGestureRecognizer(pictureTap)
imageViewViewer.isUserInteractionEnabled = true
imageViewViewer.image = imageViewer
}
private func setUpPlayerContainerView() {
let vWidth = self.view.bounds.size.width
let vHeight = self.view.bounds.size.height-66
if let urlEncoded = imagePathViewer.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed){
if !urlEncoded.isEmpty {
if let urlVideo = URL(string: "file://" + urlEncoded){
player = AVPlayer(url: urlVideo)
playerLayer = AVPlayerLayer(player: player)
playerLayer.frame = CGRect(x: 0, y: 66, width: vWidth, height: vHeight)
self.view.layer.addSublayer(playerLayer)
if player != nil {
player!.play()
}
let pictureTap = UITapGestureRecognizer(target: self, action: #selector(videoTapped))
self.view.addGestureRecognizer(pictureTap)
self.view.isUserInteractionEnabled = true
}
}
}
}
func displayPDF() {
if let urlEncoded = imagePathViewer.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed){
if !urlEncoded.isEmpty {
pdfView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(pdfView)
pdfView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor).isActive = true
pdfView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor).isActive = true
pdfView.topAnchor.constraint(equalTo: super.topBar.bottomAnchor).isActive = true
pdfView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor).isActive = true
pdfView.autoScales = true
if let urlEncoded = imagePathViewer.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed){
if let path = URL(string: "file://" + urlEncoded) {
if let document = PDFDocument(url: path) {
pdfView.document = document
}
}
}
}
}
}
@objc func videoTapped(){
if let urlEncoded = imagePathViewer.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed){
if !urlEncoded.isEmpty {
if let urlVideo = URL(string: "file://" + urlEncoded){
let player = AVPlayer(url: urlVideo)
let playerViewController = AVPlayerViewController()
playerViewController.player = player
self.present(playerViewController, animated: true) {
playerViewController.player!.play()
}
}
}
}
}
func getPreviewItem(filePath: String) -> NSURL{
let url = NSURL(fileURLWithPath: filePath)
return url
}
func numberOfPreviewItems(in controller: QLPreviewController) -> Int {
return previewItems.count
}
func previewController(_ controller: QLPreviewController, previewItemAt index: Int) -> QLPreviewItem {
return (previewItems[index] as QLPreviewItem?)!
}
}