On Tue, Jul 1, 2014 at 6:08 AM, Ian Hickson <ian@hixie.ch> wrote: > On Mon, 30 Jun 2014, Robert O'Callahan wrote: > > > > > > You're misunderstanding me. What I meant was, when taking as input an > > > object to a spec algorithm, you should not say "it must be a DOMRect" > > > (or ClientRect, or DOMRectReadOnly, or CommonSuperclassRect, or...). > > > You should say "it has x, y, width, height properties." That has > > > nothing to do with its class. > > > > I guess we would do that. Currently nothing takes a DOMRect(ReadOnly) as > > an input, so this hasn't come up. > > The way we normally do _input_ (passing from JS to a DOM API) in Web IDL > is to use a dictionary. > We tried that in one of the earlier proposals but this didn't allow us to set up the inheritance scheme. We did leave DOMPointInit [1] in so you can pass in objects with that signature I believe dictionary members are also not allowed to be readonly in WebIDL. 1: http://dev.w3.org/fxtf/geometry/#dictdef-dompointinit
Received on Tuesday, 1 July 2014 06:08:55 UTC