Open in Safari UIActivity

SafariActivity.swift

import UIKit

final class SafariActivity: UIActivity {

	// MARK: - Properties

	var url: URL?

	// MARK: - UIActivity

	override var activityType: UIActivity.ActivityType? {
		UIActivity.ActivityType(rawValue: String(describing: type(of: self)))
	}

	override var activityTitle: String? {
		"Open in Safari"
	}

	override var activityImage: UIImage? {
		UIImage(systemName: "safari")?.applyingSymbolConfiguration(.init(scale: .large))
	}

	override func canPerform(withActivityItems activityItems: [Any]) -> Bool {
		for item in activityItems {
			guard let url = item as? URL, UIApplication.shared.canOpenURL(url) else {
				continue
			}

			return true
		}

		return false
	}

	override func prepare(withActivityItems activityItems: [Any]) {
		for item in activityItems {
			guard let url = item as? URL, UIApplication.shared.canOpenURL(url) else {
				continue
			}

			self.url = url
			return
		}
	}

	override func perform() {
		guard let url = url else {
			activityDidFinish(false)
			return
		}

		UIApplication.shared.open(url) { [weak self] completed in
			self?.activityDidFinish(completed)
		}
	}
}