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List:       freedesktop-xdg
Subject:    Re: Integrating IM applications - OFI
From:       Will Stephenson <lists () stevello ! free-online ! co ! uk>
Date:       2005-01-18 13:34:43
Message-ID: 200501181334.44254.lists () stevello ! free-online ! co ! uk
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On Tuesday 18 Jan 2005 12:58, Sjoerd Simons wrote:
> On Tue, Jan 18, 2005 at 11:09:22AM +0100, Olivier Goffart wrote:
> > Le Lundi 17 Janvier 2005 21:02, Robert Wittams a écrit :
> > > The applications inform the daemon *when the status
> > > changes*. The daemon *does not query*.
> >
> > I don't think this is  good idea.
> > That will increase considerably the number of (unneeded) dbus call.
>
> Uhm, why ? You need applications to inform other applications the status
> changes some way anyway right ?

The way presence information is collated in KDE is that sources of presence 
information (chat applications, implementing KIMIface) _do_ signal presence 
changes for registered contacts.  Applications use this by instantiating a 
KIMProxy object, which listens for the signals, computes the overall presence 
of the contact and signals the application.  The application sees presence 
changes in terms of KDE addressbook contact UIDs and a presence enum.

So in our case we do have a small glob of state on every app that uses 
presence information.

Will

-- 
Will Stephenson
IRC: Bille

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