[Adium-devl] XMPP and Adium: Subscribe/Unsubscribe/Add Roster Item

[Evan Schoenberg]

On Mar 2, 2007, at 11:58 AM, Michael Dippery wrote:

> My question is related to the Subscribe request. If I'm reading the
> Jabber documentation correctly, the Subscribe request asks to
> subscribe to a user's presence information, i.e. whether that user is
> online, offline, away, etc. -- which seems a lot like adding a user
> to one's buddy list in other protocols, such as AIM. So here's my
> question:
>
> 1. Is there a major difference between adding a new roster item and
> subscribing to presence information in Jabber?
> 2. Does Adium handle it differently? Or, if Jabber User A subscribes
> to Jabber User B's presence info, does Adium just add Jabber User B
> to Jabber User A's contact list?
>
> Likewise, does Adium make a difference between removing a user from
> the roster, and unsubscribing from that user's presence information?

This is handled automatically at the libgaim level.  Adding a contact  
to the contact list (as is done via the Add Contact dialogue) will  
automatically send a Subscribe request (which is equivalent to an  
"authorization request" on other protocols).
I think that removing a contact removes your subscription  
authorization to that contact, but I'm not positive about that.  Sean?

-Evan
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