60 lines
2.3 KiB
Swift
60 lines
2.3 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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import SessionUtilitiesKit
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class ImagePickerHandler: NSObject, UIImagePickerControllerDelegate & UINavigationControllerDelegate {
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private let onTransition: (UIViewController, TransitionType) -> Void
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private let onImageDataPicked: (Data) -> Void
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// MARK: - Initialization
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init(
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onTransition: @escaping (UIViewController, TransitionType) -> Void,
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onImageDataPicked: @escaping (Data) -> Void
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) {
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self.onTransition = onTransition
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self.onImageDataPicked = onImageDataPicked
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}
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// MARK: - UIImagePickerControllerDelegate
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func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
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picker.dismiss(animated: true)
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}
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func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
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guard
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let imageUrl: URL = info[.imageURL] as? URL,
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let rawAvatar: UIImage = info[.originalImage] as? UIImage
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else {
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picker.presentingViewController?.dismiss(animated: true)
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return
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}
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picker.presentingViewController?.dismiss(animated: true) { [weak self] in
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// Check if the user selected an animated image (if so then don't crop, just
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// set the avatar directly
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guard
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let resourceValues: URLResourceValues = (try? imageUrl.resourceValues(forKeys: [.typeIdentifierKey])),
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let type: Any = resourceValues.allValues.first?.value,
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let typeString: String = type as? String,
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MIMETypeUtil.supportedAnimatedImageUTITypes().contains(typeString)
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else {
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let viewController: CropScaleImageViewController = CropScaleImageViewController(
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srcImage: rawAvatar,
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successCompletion: { resultImageData in
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self?.onImageDataPicked(resultImageData)
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}
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)
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self?.onTransition(viewController, .present)
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return
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}
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guard let imageData: Data = try? Data(contentsOf: URL(fileURLWithPath: imageUrl.path)) else { return }
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self?.onImageDataPicked(imageData)
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}
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}
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}
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