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| // | |
| // ImagePicker.swift | |
| // Image for Instagram | |
| // | |
| // Created by Saud Almutlaq on 09/05/2020. | |
| // Copyright © 2020 Saud Soft. All rights reserved. | |
| // Code from https://stackoverflow.com/questions/24625687/swift-uiimagepickercontroller-how-to-use-it | |
| import AVFoundation | |
| import Photos | |
| import UIKit | |
| protocol ImagePickerDelegate: class { | |
| func imagePickerDelegate(canUseCamera accessIsAllowed: Bool, delegatedForm: ImagePicker) | |
| func imagePickerDelegate(canUseGallery accessIsAllowed: Bool, delegatedForm: ImagePicker) | |
| func imagePickerDelegate(didSelect image: UIImage, delegatedForm: ImagePicker) | |
| func imagePickerDelegate(didCancel delegatedForm: ImagePicker) | |
| } | |
| class ImagePicker: NSObject { | |
| private weak var controller: UIImagePickerController? | |
| weak var delegate: ImagePickerDelegate? = nil | |
| func present(parent viewController: UIViewController, sourceType: UIImagePickerController.SourceType) { | |
| let controller = UIImagePickerController() | |
| controller.delegate = self | |
| controller.sourceType = sourceType | |
| self.controller = controller | |
| DispatchQueue.main.async { | |
| viewController.present(controller, animated: true, completion: nil) | |
| } | |
| } | |
| func dismiss() { controller?.dismiss(animated: true, completion: nil) } | |
| } | |
| extension ImagePicker { | |
| private func showAlert(targetName: String, completion: @escaping (Bool)->()) { | |
| DispatchQueue.main.async { [weak self] in | |
| guard let self = self else { return } | |
| let alertVC = UIAlertController(title: "Access to the \(targetName)", | |
| message: "Please provide access to your \(targetName)", | |
| preferredStyle: .alert) | |
| alertVC.addAction(UIAlertAction(title: "Settings", style: .default, handler: { action in | |
| guard let settingsUrl = URL(string: UIApplication.openSettingsURLString), | |
| UIApplication.shared.canOpenURL(settingsUrl) else { completion(false); return } | |
| UIApplication.shared.open(settingsUrl, options: [:]) { | |
| [weak self] _ in self?.showAlert(targetName: targetName, completion: completion) | |
| } | |
| })) | |
| alertVC.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: { _ in completion(false) })) | |
| UIApplication.shared.delegate?.window??.rootViewController?.present(alertVC, animated: true, completion: nil) | |
| } | |
| } | |
| func cameraAsscessRequest() { | |
| if AVCaptureDevice.authorizationStatus(for: .video) == .authorized { | |
| delegate?.imagePickerDelegate(canUseCamera: true, delegatedForm: self) | |
| } else { | |
| AVCaptureDevice.requestAccess(for: .video) { [weak self] granted in | |
| guard let self = self else { return } | |
| if granted { | |
| self.delegate?.imagePickerDelegate(canUseCamera: granted, delegatedForm: self) | |
| } else { | |
| self.showAlert(targetName: "camera") { self.delegate?.imagePickerDelegate(canUseCamera: $0, delegatedForm: self) } | |
| } | |
| } | |
| } | |
| } | |
| func photoGalleryAsscessRequest() { | |
| PHPhotoLibrary.requestAuthorization { [weak self] result in | |
| guard let self = self else { return } | |
| if result == .authorized { | |
| DispatchQueue.main.async { [weak self] in | |
| guard let self = self else { return } | |
| self.delegate?.imagePickerDelegate(canUseGallery: result == .authorized, delegatedForm: self) | |
| } | |
| } else { | |
| self.showAlert(targetName: "photo gallery") { self.delegate?.imagePickerDelegate(canUseCamera: $0, delegatedForm: self) } | |
| } | |
| } | |
| } | |
| } | |
| extension ImagePicker: UIImagePickerControllerDelegate, UINavigationControllerDelegate { | |
| func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) { | |
| if let image = info[.editedImage] as? UIImage { | |
| delegate?.imagePickerDelegate(didSelect: image, delegatedForm: self) | |
| return | |
| } | |
| if let image = info[.originalImage] as? UIImage { | |
| delegate?.imagePickerDelegate(didSelect: image, delegatedForm: self) | |
| } else { | |
| print("Other source") | |
| } | |
| } | |
| func imagePickerControllerDidCancel(_ picker: UIImagePickerController) { | |
| delegate?.imagePickerDelegate(didCancel: self) | |
| } | |
| } |
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