QZeitgeist and Phonon

todd rme toddrme2178 at gmail.com
Tue Mar 8 00:45:57 GMT 2011

On Mon, Mar 7, 2011 at 6:58 PM, Trever Fischer
<tdfischer at fedoraproject.org> wrote:
> If you haven't been keeping up with Phonon development recently, no biggie.
> Very recently, we introduced an optional build time dependency on QZeitgeist.
> Today, someone said I should mention this to k-c-d. So here goes:
> * What is QZeitgeist?
> A library that neatly wraps the Zeitgeist dbus API with some QObjects.
> * Okay, but what is Zeitgeist?
> A desktop history tracker. You do things. Things such as: view a website, play
> music, chat with friends, read mail, write a document, post to identi.ca, or
> work with stuff in inkscape. Zeitgeist then compiles for you a database of
> everything you've done and intelligently links things together.
> Example: I read a mail from my dad. Inside the mail was a hi-lar-ious video I
> want to share to a friend. Problem is, it is now 3 days later and I can't
> remember anything about the mail it was contained in. Oddly enough, I remember
> the music Amarok was playing at the time. Party Hard by Andrew WK. Good stuff.
> Oh yeah, and there was that funny youtube video sometime around then I found
> in irc. My aunt would love that...
> *ahem*
> I open up gnome-activity-journal (currently the only interface to view the
> history; others are planned), search for something related like the music, the
> youtube video, the irc chat, etc, and *bam* there is that media file. It is
> listed next to all the other stuff I was doing at the same time.
> * How does this fit into Phonon?
> Anything played by Phonon now shows up in zeitgeist. Provided that they follow
> our documentation and set the correct QObject property. If that wasn't needed,
> then Zeitgeist would get spammed with everything from KNotify.
> * Why should k-c-d care?
> For two reasons, really:
> 1) It is a new *optional* build-time dependency. If Phonon is compiled with
> QZeitgeist, but zeitgeist isn't installed, stuff still works. Once zeitgeist is
> installed, the dbus interfaces work their magic.
> 2) The zeitgeist developers (and even the Phonon devs) would absolutely *love*
> to see more KDE apps use Zeitgeist. Its pretty cool.
> --
> Trever Fischer (tdfischer)
> Fedora Ambassador, KDE Hacker
> http://wm161.net
> GPG: C40F2998 hkp://wwwkeys.pgp.net

What is the advantage of zeitgeist over nepomuk?


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