[dolphin] [Bug 425750] New: Disable preview in specific folders (e.g. Kde-Connect)

[Podagric]

https://bugs.kde.org/show_bug.cgi?id=425750

            Bug ID: 425750
           Summary: Disable preview in specific folders (e.g. Kde-Connect)
           Product: dolphin
           Version: 20.08.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: kde.podagric at slmail.me
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 131154
  --> https://bugs.kde.org/attachment.cgi?id=131154&action=edit
video

SUMMARY

The folder mounted by kde-connect is not considered a remote folder by dolphin
(since it is mounted through sshfs), so thumbnail generation is done even if
the option to ignore remote files is active.

STEPS TO REPRODUCE
1. In kde connect settings in android, add a folder with many videos or images
to the sharing list (or add files to the currently shared folder).
2. Access this folder through dolphin

OBSERVED RESULT
This makes dolphin extremely slow when a folder with many files is accessed.
Like a folder with many photos and videos.

EXPECTED RESULT
An option in the configuration menu to disable previewing in specific folders.
Or this could be identified and done automatically. 
The first option seems to be the ideal one because it would avoid future
problems in case of changes in kde-connect.


Operating System: Arch Linux
KDE Plasma Version: 5.19.4
KDE Frameworks Version: 5.73.0
Qt Version: 5.15.0
Kernel Version: 5.8.3-arch1-1
OS Type: 64-bit

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