mime-type/application association spec

[Christophe Fergeau]

> > As I said in the file, this one is not really meant to go in a shared
> > spec, but rather an extension that gnome would need to add. gnome is
> > currently using this to indicate that an app is using gnome-vfs, which
> > means this app can open any url scheme known to gnome-vfs (the list of
> > supported schemes can't be known when the app is installed or written).
> This is what I meant with a standard for uris: We have gnome-vfs and kioslave, 
> they have both a uri scheme, home:/// or smb:// for example, we could also 
> specify a standard for this, but so long I think this extensions should be 
> "X-" marked and not go into the spec.
> 
> >
> > > supported_uris: Interesting topic to think about, but I don't think it
> > > has to be in this specification, mainly this uris are all opened by
> > > nautilus/konqueror, so we should think about a specification for this
> > > uris, but not to add them to this standard.
> >
> > I don't understand what you mean there :) This entry was once again
> > copied from what gnome is doing, this is used by apps which aren't using
> > gnome-vfs to tell which kind of uri they can open (eg, galeon would
> > declare file: http: and ftp:, wget would put http: and ftp: there, ...)
> Hm not quite sure if this is necessary. Can you give me a more specific 
> example, where and whereto this is used in gnome?

Hmm, I'm not following you at all. I'll explain more what uses_gnome_vfs
and supported_uris are used for, hopnig this will answer your questions.

<lengthy explanation>
supported_uris takes a list of uris (home://, ftp://, ...) which are
used to tell the app is able to handle the given list of uris.
uses_gnome_vfs works in addition of this list of uris, it takes the
values true or false, and is used to tell that the app uses gnome-vfs
for all its input/output, and thus can safely open any url supported by
gnome_vfs. Thus uses_gnome_vfs can be true or false.
Then, when an app asks gnome-vfs "what can I use to open this uri",
gnome-vfs can check the uri scheme against the schemes supported by each
app, and (if uses_gnome_vfs is true for the app being checked), against
the uri schemes gnome-vfs supports. Then, it can return the list of apps
who can open this file.
Both keys are used because some gnome apps don't use gnome-vfs but can
still open some uris (generally http and ftp), galeon is such an app.
</lengthy explanation>

The supported_uri bit could probably be useful in the spec, I agree the
uses_gnome_vfs one is totally X-GNOME, it appears in the doc I posted
here since a few bits of this doc are notes about which extensions
should be added to the spec for GNOME specific use.

I hope that clarifies things a bit,

Christophe

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