[jdev] Best practices regarding roster management by clients ?
lucas at lucas-nussbaum.net
Fri Sep 9 01:56:51 CDT 2005
On 08/09/05 at 11:05 -0600, Peter Saint-Andre wrote:
> Lucas Nussbaum wrote:
> >(A) Should a client display contacts with subscription=none or
> >subscription=from (and not ask=subscribe) ? You obviously don't care
> >about those contacts, and they will never send you any presence, so why
> >lose space in your contact list ?
> Many clients display "from" contacts as "observers", either in a
> separate group or with a special icon. I haven't seen any clients that
> display "none" contacts but I haven't tried every client out there, either.
> >(B) How should clients handle the removal of contacts ? I think that :
> >- if sub=both, a presence type=unsubscribe should be sent so
> > subscription becomes from (the fact that you are no longer interested
> > in somebody's presence doesn't mean the other party doesn't want to
> > see your presence anymore). Additionally, the client should ask the
> > user whether he wants to forbid the other party from seeing the user
> > presence (and then send presence with type=unsubscribed)
> >- if sub=to, sub=from or sub=none, there's no problem.
> If you do a roster remove (RFC 3921, Section 8.6), the server handles
> the presence stuff for you.
Yes, but then, the server sends an unsubscribed too.
| Lucas Nussbaum
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