On Feb 14, 2014, at 7:16 PM, Boris Zbarsky <bzbar...@mit.edu> wrote: > On 2/14/14 10:07 PM, Ryosuke Niwa wrote: >> We most vigorously object to making the CSS style resolver depend on JS >> DOM object properties. > > Ryosuke, I think you misunderstood the proposal. I'm pretty sure we all > object to having the CSS style resolver depend on anything that involves JS > properties. But it's not necessarily a problem to have it depends on > internal node state that can be set via DOM APIs (e.g. it already depends on > DOM attribute values and whatnot). > > So in implementation terms, an element would just have an internal boolean > and setting "this.shadowRoot = undefined" or whatnot would set that boolean; > the CSS machinery would read that boolean. That seems fairly workable to me; > whether it's the sort of API we want is a separate issue that I have no > opinion on.
I see. So we’re going to have some special setter that magically updates node’s internal state when being set on “undefined”. That seems workable although I do agree that whether we want that sort of API is a separate issue. - R. Niwa
