Review Request 120573: [OS X] make KDE's trash use the OS X trash

[René J.V. Bertin]

> On Oct. 13, 2014, 8:03 p.m., Lamarque Souza wrote:
> > kioslave/trash/trashimpl.cpp, line 815
> > <https://git.reviewboard.kde.org/r/120573/diff/2/?file=318230#file318230line815>
> >
> >     QFile::remove() does not work with directories. You should use QDir().rmdir() instead, which only works as long as the directory is empty though.
> 
> Milian Wolff wrote:
>     in Qt5, there is a QDir::removeRecursively though. In Qt4/KDE4, you'll need to use e.g. KIO::del or similar.
> 
> René J.V. Bertin wrote:
>     Duly noted - does that mean that the corresponding (and existing) statements in `createInfo` and `deleteInfo` (lines 311 and 392) are in error too?!
>     
>     Sadly this doesn't explain everything: it's as if `isEmpty` is not called, in fact: the kDebug() statement on line 811 is never printed.

I saw that the class already had a `synchronousDel` function. This function could receive an overload to accept a `QStringList` argument that will allow to schedule the 2 or 3 subdirectories to be deleted with a single call to synchronousDel instead of with 3 consecutive calls.


- René J.V.


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On Oct. 13, 2014, 10:42 p.m., René J.V. Bertin wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/120573/
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> 
> (Updated Oct. 13, 2014, 10:42 p.m.)
> 
> 
> Review request for KDE Software on Mac OS X and KDE Runtime.
> 
> 
> Repository: kde-runtime
> 
> 
> Description
> -------
> 
> KDE on OS X does not handle the desktop session (no "Plasma") nor can it rely on XDG to obtain the proper paths to use for something like the trash. As a result, all applications that propose to move things they manage to the wastebin (Dolphin, but also digiKam) will store those items in a place that has no particular meaning on OS X, and that will thus tend to fill up.
> 
> OS X stores trash in one of several locations. Files trashed from the boot volume (and/or the volume containing $HOME, I don't actually know that) end up in `~/.Trash`. Files deleted from other volumes end up in `/Volumes/volName/.Trashes/uid`, where volName is the volume name (regardless whether it's an external or a remote drive; only mounted NFS shares are handled differently) and uid the numerical user id. Permissions on `.Trashes` are the same as those expected by KDE.
> 
> The kio_trash kioslave appears to support several actual trash directory locations, just like OS X. `TrashImpl::init()` creates a standard trash in `~/.local/share/Trash` (at least under OS X) but also `TrashImpl::trashForMountPoint()` that is used in cases I have not yet encountered.
> 
> On OS X, my modified `TrashImpl::init()` sets the standard trash directory to `~/.Trash/KDE.trash` and will create the `files` and `info` subdirectories as required, because they will of course be deleted when the user empties the OS X trash. `TrashImpl::isEmpty()` has been modified to delete the KDE trash's internal infrastructure when the wastebin is empty so that OS X also see the trash as emptied, but that doesn't work yet.
> 
> Remains to be done:
> - figure out why `isEmpty()` doesn't completely clean out the trash as expected which causes OS X to show the trash as full even after emptying the wastebin through KDE.
> - determine in what cases `trashForMountPoint()` is used, and finish the modifications for it to use `/.Trashes/uid/KDE.trash`
> 
> 
> Diffs
> -----
> 
>   kioslave/trash/trashimpl.h bc68723 
>   kioslave/trash/trashimpl.cpp 30ee05b 
> 
> Diff: https://git.reviewboard.kde.org/r/120573/diff/
> 
> 
> Testing
> -------
> 
> On OS X 10.6.8 with kdelibs and kde-runtime git/4.14, using Dolphin. Tested actions are
> - move items to wastebin from $HOME and a directory on a different volume
> - restore items to both places
> - empty wastebin through Dolphin
> - empty OS X trashcan
> 
> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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