[Kde-pim] Akonadi: Evolution Data Server migration path

[Kevin Krammer]

Hello PIMsters,

I recently discovered that one of the items on the GNOME Roadmap [1] is EDS 
migration to D-Bus instead of CORBA.

There is already one such implementation for the Nokia Maemo platform called 
EDS embedded [2], which might serve as a starting point for the migration 
mentioned above.

Since communication through D-Bus opens a new playing field for 
interoperability, I took the EDS embedded implementation to see if it would 
be possible to implement the service side on top of our APIs, i.e. keeping 
the application (client side) code untouched and "impersonating" EDS.

So far I have a very basic implementation of the addressbook part of EDS based 
in KABC (primarily using KABC because I am familiar with its API).

The only application I have tested with sofar is the rather simple addressbook 
application "Contacts" from the Pimlico project [3] and I am ignoring the 
resource URI sent by the application (using standard KDE addressbook resource 
instead), but manipulating the data and getting notified about manipulation 
by some other program (e.g. KAddressBook) works rather nicely.

The general idea is to implement this as an Akonadi client, probably an agent 
so it can be started as part of a profile.

I am currently unsure how I should tackle the issue of the client provided 
resource, i.e. the EDS client basically performs a factory call using a 
resource URI and expects a D-Bus object path as the return value, pointing to 
the D-Bus object managing the specified addressbook.

I think it would be possible to start Akonadi resources on demand through 
AgentManager, but it seems to rely on already configured resources or user 
interactive configuring.

Cheers,
Kevin

[1] http://live.gnome.org/RoadMap
[2] http://labs.o-hand.com/embedded-eds/
[3] http://pimlico-project.org/
-- 
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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