[Kde-pim] Running KMail and calling via D-Bus

[David Jarvie]

On Sunday 02 August 2009 16:56:46 Volker Krause wrote:
> On Sunday 02 August 2009 13:30:31 David Jarvie wrote:
> > Can anybody help resolve this D-Bus problem with KMail?
> >
> > KAlarm has functions to invoke KMail and issue a D-Bus call to show a
> > mail. The problem is that if KMail isn't already running, the D-Bus call
> > doesn't work when called immediately after starting up KMail, since the
> > relevant D-Bus interface is not immediately available. I've experimented
> > with various tweaks, and compared the code to other places in kdepim, but
> > still can't think of any other way of doing it except to introduce
> > timer-based calls to wait for the D- Bus interface to become active. Yet
> > other applications (KOrganizer etc) don't seem to have this problem (or
> > do they just ignore it?).
>
> IIRC KDBusServiceStarter is used there, not sure if that really waits until
> the corresponding service is available though. If you want to be really
> sure that KMail has been started, listening to the serviceOwnerChanged()
> signal might help.

Thanks Volker. That helps, but even when that signal is received, the actual 
interface isn't necessarily available yet, so it still looks as if it's 
necessary to do a few timer delays.

-- 
David Jarvie.
KDE developer.
KAlarm author and maintainer.
http://www.astrojar.org.uk/kalarm
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