damus

nostr ios client
git clone git://jb55.com/damus
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CameraModel.swift (2875B)

      1 //
      2 //  CameraModel.swift
      3 //  damus
      4 //
      5 //  Created by Suhail Saqan on 8/5/23.
      6 //
      7 
      8 import Foundation
      9 import AVFoundation
     10 import Combine
     11 
     12 final class CameraModel: ObservableObject {
     13     private let service = CameraService()
     14 
     15     @Published var showAlertError = false
     16 
     17     @Published var isFlashOn = false
     18 
     19     @Published var willCapturePhoto = false
     20 
     21     @Published var isCameraButtonDisabled = false
     22 
     23     @Published var isPhotoProcessing = false
     24 
     25     @Published var isRecording = false
     26 
     27     @Published var captureMode: CameraMediaType = .image
     28 
     29     @Published public var mediaItems: [MediaItem] = []
     30 
     31     @Published var thumbnail: Thumbnail!
     32 
     33     var alertError: AlertError!
     34 
     35     var session: AVCaptureSession
     36 
     37     private var subscriptions = Set<AnyCancellable>()
     38 
     39     init() {
     40         self.session = service.session
     41 
     42         service.$shouldShowAlertView.sink { [weak self] (val) in
     43             self?.alertError = self?.service.alertError
     44             self?.showAlertError = val
     45         }
     46         .store(in: &self.subscriptions)
     47 
     48         service.$flashMode.sink { [weak self] (mode) in
     49             self?.isFlashOn = mode == .on
     50         }
     51         .store(in: &self.subscriptions)
     52 
     53         service.$willCapturePhoto.sink { [weak self] (val) in
     54             self?.willCapturePhoto = val
     55         }
     56         .store(in: &self.subscriptions)
     57 
     58         service.$isCameraButtonDisabled.sink { [weak self] (val) in
     59             self?.isCameraButtonDisabled = val
     60         }
     61         .store(in: &self.subscriptions)
     62 
     63         service.$isPhotoProcessing.sink { [weak self] (val) in
     64             self?.isPhotoProcessing = val
     65         }
     66         .store(in: &self.subscriptions)
     67 
     68         service.$isRecording.sink { [weak self] (val) in
     69             self?.isRecording = val
     70         }
     71         .store(in: &self.subscriptions)
     72 
     73         service.$captureMode.sink { [weak self] (mode) in
     74             self?.captureMode = mode
     75         }
     76         .store(in: &self.subscriptions)
     77 
     78         service.$mediaItems.sink { [weak self] (mode) in
     79             self?.mediaItems = mode
     80         }
     81         .store(in: &self.subscriptions)
     82 
     83         service.$thumbnail.sink { [weak self] (thumbnail) in
     84             guard let pic = thumbnail else { return }
     85             self?.thumbnail = pic
     86         }
     87         .store(in: &self.subscriptions)
     88     }
     89 
     90     func configure() {
     91         service.checkForPermissions()
     92         service.configure()
     93     }
     94 
     95     func stop() {
     96         service.stop()
     97     }
     98 
     99     func capturePhoto() {
    100         service.capturePhoto()
    101     }
    102 
    103     func startRecording() {
    104         service.startRecording()
    105     }
    106 
    107     func stopRecording() {
    108         service.stopRecording()
    109     }
    110 
    111     func flipCamera() {
    112         service.changeCamera()
    113     }
    114 
    115     func zoom(with factor: CGFloat) {
    116         service.set(zoom: factor)
    117     }
    118 
    119     func switchFlash() {
    120         service.flashMode = service.flashMode == .on ? .off : .on
    121     }
    122 }