On Tue, 2011-04-19 at 17:00 +0200, Milan Crha wrote:
> On Tue, 2011-04-19 at 19:39 +0530, Chenthill Palanisamy wrote:
> > I would like you to a incorporate some change to the free/busy api.
> > Some servers allow querying free/busy information
> > for multiple users at a time and the results appear in a iterative
> > fashion. The freebusy information of some
> > users are delivered first, while the server keeps fetching other
> > user's free/busy information. So if we could have he
> > FreeBusy api such as this, we could leverage those features,
> > 
> > ECalClientFreeBusy
> > e_cal_client_get_freebusy_object_sync (ECalClient *client, time_t
> > start, time_t end, const GSList *users, GCancellable *cancellable,
> > GError **error);
> > (with a async counter-part)
> > 
> > Signal: freebusy_received (ECalClientFreeBusy *fbobject, const gchar
> > *user, GSList *ecalcomps)
> > 
> > The clients could watch for the signal and update the freebusy
> > information as and when they receive from eds. 

        Hi,
I rethought my thoughts about this and I think I follow your idea more
closely now. If I try to rephrase it, then it might be:

On the server side, add new
   e_data_cal_notify_free_busy_data (..., const GSList *ecalcomps);
which invokes a signal on the D-Bus connection about (partial) result
for a free/busy request (note it doesn't provide user separately).
This signal will be valid only while a get_free_busy request is running.
Calling e_data_cal_notify_free_busy_data() out of these functions will
not fail, but the ECalClient consumer may not expect that being done.
With this limitation we'll have a possibility to cancel pending request,
if needed. The e_data_cal_respond_get_free_busy() will have no return
values.

On the client side, the 'finish' function will be also void and any
information about free-busy will be available exclusively in a
"free-busy-received" signal, which will have a parameter GSList
*ecalcomps.

I hope we are on the same line now. If you agree, then I'll make a
change in this way.
        Thanks and bye,
        Milan

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