Review Request 121360: Rework Plasma's notification positioning code

[Martin Klapetek]

> On Dec. 5, 2014, 8:19 p.m., Martin Gräßlin wrote:
> > I'm a little bit concerned about the mutex usage. I somehow don't see where this could be threaded. If it's using threads due to the rendering, then it's important that you create it as a QMutex::Recursive mutex as otherwise on single-threaded renderers (all non-NVIDIA) it could dead-lock.

I'm not 100% sure either, but I was observing strange issues and really a concurrency issues, they all went out when I put the mutexes there.

I'll change to Recursive.


- Martin


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On Dec. 5, 2014, 8:01 p.m., Martin Klapetek wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/121360/
> -----------------------------------------------------------
> 
> (Updated Dec. 5, 2014, 8:01 p.m.)
> 
> 
> Review request for Plasma and Kai Uwe Broulik.
> 
> 
> Bugs: 339732
>     https://bugs.kde.org/show_bug.cgi?id=339732
> 
> 
> Repository: plasma-workspace
> 
> 
> Description
> -------
> 
> There can easily be situations where the popups could overlap one another or result in strange animations. This patch rewrites the notifications so that all actions such as show/reposition/hide are handled from a one single place and every action is properly queued and protected around, which makes it more robust, more predictive and less chaotic. There's also a slight delay between every action so it's also visually much more cleaner and easier to see what's going on. 
> 
> 
> Diffs
> -----
> 
>   applets/notifications/package/contents/ui/NotificationPopup.qml c99bf21 
>   applets/notifications/plugin/notificationshelper.h af8f6fa 
>   applets/notifications/plugin/notificationshelper.cpp 425f0d6 
> 
> Diff: https://git.reviewboard.kde.org/r/121360/diff/
> 
> 
> Testing
> -------
> 
> Tested whole day plus stress-tested with something like for i in {1..200}; do notify-send "$i - $RANDOM" "$RANDOM sdf sdf sdfwefhsdjfnskdfbkwefnos igodsfgn sodifgj asodfgnsdlfgdf g"; done executed from 4 terminals at once, all works fine and as expected.
> 
> 
> Thanks,
> 
> Martin Klapetek
> 
>

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