[dolphin] [Bug 509456] New: Property dialog doesn't refresh file size, may show outdated file size

[Ellie]

https://bugs.kde.org/show_bug.cgi?id=509456

            Bug ID: 509456
           Summary: Property dialog doesn't refresh file size, may show
                    outdated file size
    Classification: Applications
           Product: dolphin
      Version First 25.04.2
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: el at horse64.org
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY

The property dialog doesn't refresh the file size, it may show an outdated file
size for a file that is rewritten while the folder view was already open.  In
fact, even browsing away and returning to the folder in Dolphin may keep the
old file size. Only issuing a manual refresh reliably works.

STEPS TO REPRODUCE

1. Save two different short video clips to your home folder, .mp4 or .webm or
similar
2. Open up your home folder in dolphin
3. While dolphin is open, open up a terminal
4. In the terminal, run this command: ffmpeg -i your_first_web_clip.webm
your_first_web_clip.gif
5. Dolphin should still be open at this point. Hover the new .gif file for its
file size.
6. Now run this in the terminal: ffmpeg -i your_second_web_clip.webm
your_first_web_clip.gif
7. In Dolphin, if you hover your mouse over the file it shows the old outdated
size.
8. Right-click the file and click "Properties". Check the file size in the
properties dialog. 

OBSERVED RESULT

"Properties" dialog shows very outdated file size from the very moment it opens
up. That doesn't seem how it should work.

EXPECTED RESULT

Opening up the "Properties" dialog should always re-fetch all the file
attributes to show them at the moment of the dialog opening up.

SOFTWARE/OS VERSIONS

Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: postmarketOS v25.06 with OpenRC, based on Alpine
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.3

ADDITIONAL INFORMATION

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