70 lines
2.0 KiB
Swift
70 lines
2.0 KiB
Swift
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//
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// PhotoCaptureDelegate.swift
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// Cuvent
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//
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// Created by Marc Rousavy on 15.12.20.
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// Copyright © 2020 Facebook. All rights reserved.
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//
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import AVFoundation
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private var delegatesReferences: [NSObject] = []
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class PhotoCaptureDelegate: NSObject, AVCapturePhotoCaptureDelegate {
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private let promise: Promise
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required init(promise: Promise) {
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self.promise = promise
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super.init()
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delegatesReferences.append(self)
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}
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func photoOutput(_: AVCapturePhotoOutput, didFinishProcessingPhoto photo: AVCapturePhoto, error: Error?) {
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defer {
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delegatesReferences.removeAll(where: { $0 == self })
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}
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if let error = error {
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return promise.reject(error: .capture(.unknown(message: error.localizedDescription)), cause: error as NSError)
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}
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let error = ErrorPointer(nilLiteral: ())
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guard let tempFilePath = RCTTempFilePath("jpeg", error)
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else {
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return promise.reject(error: .capture(.createTempFileError), cause: error?.pointee)
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}
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let url = URL(string: "file://\(tempFilePath)")!
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guard let data = photo.fileDataRepresentation()
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else {
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return promise.reject(error: .capture(.fileError))
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}
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do {
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try data.write(to: url)
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let exif = photo.metadata["{Exif}"] as? [String: Any]
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let width = exif?["PixelXDimension"]
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let height = exif?["PixelYDimension"]
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return promise.resolve([
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"path": tempFilePath,
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"width": width as Any,
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"height": height as Any,
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"isRawPhoto": photo.isRawPhoto,
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"metadata": photo.metadata,
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"thumbnail": photo.embeddedThumbnailPhotoFormat as Any,
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])
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} catch {
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return promise.reject(error: .capture(.fileError), cause: error as NSError)
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}
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}
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func photoOutput(_: AVCapturePhotoOutput, didFinishCaptureFor _: AVCaptureResolvedPhotoSettings, error: Error?) {
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defer {
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delegatesReferences.removeAll(where: { $0 == self })
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}
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if let error = error {
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return promise.reject(error: .capture(.unknown(message: error.localizedDescription)), cause: error as NSError)
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}
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}
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}
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