[mpris] TrackList interface

[mirsal]

On Fri, 2011-11-25 at 09:59 +0000, Alex Merry wrote:
> On 24/11/11 19:27, mirsal wrote:
> > On Wed, 2011-11-23 at 16:58 +0000, Alex Merry wrote:
> >> We also need a way of specifying "none" for the current track.  Perhaps
> >> /org/mpris/MediaPlayer2/TrackList/NoTrack
> >> (or NoCurrentTrack).
> >
> > I'm not sure about this as empty strings are used throughout the spec for
> > that purpose, which sounds fine, and changing that kind of behavior would
> > certainly raise a few issues.
> >
> > Am I missing something here ?
> 
> I'm referring specifically to the TrackList.TrackListReplaced signal, 
> which includes an 'o' argument for the current track.  Like all the 
> other 'o' arguments, this can't be an empty string.

Indeed, The AfterTrack parameter in the TrackAdded signal needs this as
well. /org/mpris/MediaPlayer2/TrackList/NoTrack should do it.

> The current track is what is referred to in the Metadata property of the 
> Player interface.

Yes, and I think we should not
use /org/mpris/MediaPlayer2/TrackList/NoTrack there, as current
implementations consider that the presence of a mpris:trackid is a
sufficient indication that there is a current track.

Best,

-- 
mirsal 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 490 bytes
Desc: This is a digitally signed message part
URL: <http://mailman.videolan.org/pipermail/mpris/attachments/20111125/7ff21a7c/attachment.pgp>