change thumbnailer spec to fit better with xdg-basedir spec

[洪任諭]

Aren't there A LOT OF programs have ~/Desktop hard-coded, too?
We still adopt the new xdg user dirs, right?
I think the transition can be made smooth by adding a symlink for ~/.thumbnail.
After most of the major programs get fixed, this can be removed.
Most of the config files are put in ~ directly today.
However there are more and more programs moving them to XDG_CONFIG_HOME.

2008/4/17, Dr. Michael J. Chudobiak <mjc at avtechpulse.com>:
> Martin Meyer wrote:
>   > The thumbnailer spec [3] points to the ~/.thumbnails directory for the
>  > cache of specific-sized thumbnails. Although I call them cache, it is
>  > arguable that they may be user data. The issue I have is that the
>  > basedir spec [4] specifies an environment variable $XDG_CACHE_HOME
>  > which is intended as the base for all "user-specific non-essential
>  > (cached) data". I feel that the thumbnail cache would fit in there. Is
>  > there a chance of getting the spec changed to point to
>  > $XDG_CACHE_HOME/thumbnails instead perhaps? Is it even open for
>  > discussion?
>
>
> Martin,
>
>  Yes, it's open for discussion. Is it fundamentally worth the effort?
>
>  Do you have suggestions for managing the transition, if it occurred?
>  ".thumbnails" is hard-coded in a LOT of files (libgnomeui, nautilus,
>  glib/gfile, gthumb, gnome-settings-daemon, etc...)
>
>  On the gnome side, you would need to patch every instance of
>  ".thumbnails". (Maybe we need a gnome_thumbnail_get_cache_dir function.)
>  The gnome-settings-daemon housekeeping plug-in would need to be modified
>  to sweep both the old and new locations.
>
>  On a side note, your original post is missing the reference ([1], etc).
>
>  - Mike
>
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