How can selection be disabled in PDFView?

Displaying a PDFDocument in a PDFView allows the user to select parts of the document and perform actions e.g. "copy" with the selection. How can selection be disabled in a PDFView while preserving the possibility for the user to zoom in and out and scroll in the PDF?

PDFView itself does not seem to offer such a property nor does the PDFViewDelegate.

You have to subclass PDFView, as such:

class MyPDFView: PDFView {

    override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
        return false
    }

    override func addGestureRecognizer(_ gestureRecognizer: UIGestureRecognizer) {
        if gestureRecognizer is UILongPressGestureRecognizer {
            gestureRecognizer.isEnabled = false
        }

        super.addGestureRecognizer(gestureRecognizer)
    }

}