Re: [Evolution-hackers] Patching Evolution to retrieve alist of emails and calendar events through DBUS

["Veerapuram Varadhan" <vvaradhan novell com>]

On Fri, 2007-02-23 at 21:06 +0530, Srinivasa Ragavan wrote:
> On Fri, 2007-02-23 at 16:12 +0100, Jo Vermeulen wrote:
> > On Fri, 2007-02-23 at 18:28 +0530, Srinivasa Ragavan wrote:
> > > Hey Jo,
> > > 
> > > On Fri, 2007-02-23 at 13:41 +0100, Jo Vermeulen wrote:
> > > > Hello,
> > > > 
> > > > I was wondering how hard it would be to patch Evolution (or write a
> > > > plugin) to be able to retrieve a list of emails and calendar events
> > > > through DBUS?
> > > Shouldn't be that hard :). I think calendar has to be interfaced via EDS
> > > than Evolution. This way even contacts can also take the advantage.
> > 
> > I am looking into something that won't take me a week or so to
> > implement :-)
> > 
> > > > Is is possible to give me a few pointers on how I could do this? I have
> > > > no experience with Evolution whatsoever.
> > > 
> > > What sort of pointers you need. Evolution has quite a few hooks where
> > > you can plug code. We can add more hooks if required. But do you have a
> > > plan of what you are trying to achieve through DBUS interface. 
> > 
> > What we want to do is create an application that enables you to link
> > your emails, contacts, calendar items and the like. For now, we could
> > use DBUS to interface with Gaim and Tomboy, but Evolution is a bit more
> > troublesome.
> > 
> > In fact we would like to get a list of emails that have the label
> > "Todo", and a set of calendar events for a certain date.
> Wow. Sounds interesting :) 
Calendar/Contacts can still be queried using Evolution#, which is
currently used by Beagle.  However, querying mails is not yet supported
in Evolution#.

> > 
> > > I think
> > > once you can close on that, we can easily expose hooks for the
> > > evolution-dbus-plugin. For some hints to start with, you can looks at
> > > the new-mail-notification plugin in Evolution which uses DBUS.
> > 
> > I had a look at that indeed, but I'm not sure how these plugins can be
> > loaded dynamically. Is it possible for me to develop a plugin, load it
> > into Evolution and try it out? This would enable rapid prototyping which
> > would speed up development ;-)
> You can google at tnef plugin which Notzed wrote long back. It was
> written/compiled separately and loaded dynamically into Evolution. So it
> is possible to load dynamically.
> 
Even if a plugin is written, you cannot get the notification unless you
run Evolution - so, whatever your application is will have a
hard-dependency on a running version of evolution.  Just a thought.

HTH,

V. Varadhan

-- 
Veerapuram Varadhan <vvaradhan novell com>