Review Request 121885: Properly check for systray being available

[Martin Klapetek]

> On Jan. 6, 2015, 7:20 p.m., David Edmundson wrote:
> > src/platformtheme/kdeplatformsystemtrayicon.cpp, line 330
> > <https://git.reviewboard.kde.org/r/121885/diff/1/?file=338653#file338653line330>
> >
> >     the statusnotifierwatcher is a kded module, which means if another kded module tries to create an SNI (and at least one does) we're going to deadlock I think?

Are we? I'm not sure really...how else could we do this then?


- Martin


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On Jan. 6, 2015, 7:16 p.m., Martin Klapetek wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/121885/
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> 
> (Updated Jan. 6, 2015, 7:16 p.m.)
> 
> 
> Review request for KDE Frameworks.
> 
> 
> Bugs: 339707
>     https://bugs.kde.org/show_bug.cgi?id=339707
> 
> 
> Repository: frameworkintegration
> 
> 
> Description
> -------
> 
> The "org.kde.StatusNotifierWatcher" is just a watcher/helper, not the actual systray object, that's "org.kde.StatusNotifierHost-$PID". Because Plasma appends the PID, we cannot check directly for it being present on the bus, so we check the org.kde.StatusNotifierWatcher.IsStatusNotifierHostRegistered property that's meant to be used for this.
> 
> Plus QSystemTrayIcon::isSystemTrayAvailable() is actually returning always true, because the Watcher is in kded and is /always/ present.
> 
> This also fixes many apps with KSNI crashing on plasma exit, bug 339707 (though I believe this is not the direct cause for that bug)
> 
> 
> Diffs
> -----
> 
>   src/platformtheme/kdeplatformsystemtrayicon.cpp b5e207c 
> 
> Diff: https://git.reviewboard.kde.org/r/121885/diff/
> 
> 
> Testing
> -------
> 
> Things do not crash anymore and the ::isSystemTrayAvailable() now returns correct value.
> 
> 
> Thanks,
> 
> Martin Klapetek
> 
>

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