kio and KDirNotify for remote protocols

[David Faure]

On Wednesday 14 August 2013 11:53:43 Sven Brauch wrote:
> Hi!
> 
> I'm writing a KIO slave for the infinote protocol [1]. The protocol features
> push-notifications for connected clients when a file is added or removed,
> and it's sort of important for the user to see when files are added. Thus,
> I'd like to make the application using the slave (e.g. dolphin) reload the
> view when such a notification arrives. In theory, I know I can do this
> through the KDirNotify interface, but in practice, there's two problems:
> 
>  (1) I have no idea how long slaves are kept alive. Can I bind them to a
>      specific view (e.g. dolphin window) and prevent them from exiting until
> the user closes the window, to make sure notifications are actually being
> received?

No, which is why people typically create a kded module for the purpose of such 
always-running watching and notifying.

>  (2) I do not know which URL to pass to KDirNotify, since such an URL might
>      or might not include user name, default port, ... And if the URL format
> passed to KDirNotify by the slave differs from the format in e.g. dolphin's
> URL bar, the view will not be reloaded.

I don't really follow this one. The URLs have to match as you noted. Maybe 
your kioslaves can register the URLs being used, so that the kdirnotify 
signals use the right URLs?

-- 
David Faure, faure at kde.org, http://www.davidfaure.fr
Working on KDE, in particular KDE Frameworks 5