Review Request 123626: port libplasma away from sycoca as much as possible

[Sebastian Kügler]

> On May 6, 2015, 5:38 p.m., Hrvoje Senjan wrote:
> > >I would keep this for safety until Plasma 5.4 is released, then try to remove it again
> > 
> > First, sorry for being the bad cop, i'd just like to avoid any future (irreversible) problems, and that distros delivering monthly KF5 updates continue doing so in the future ;-)
> > 
> > Please don't remove anything ever, KF5 promises backward compatibility forever, not until $someotherproductversion...
> > Distros where assured over and over again in the famous thread that no-bugfix-only KF5 releases will be a good thing for everyone, and they should be treated as bugfix releases (same as we can update kdelibs to 4.14.99 with kde-workspace 4.11.99).
> > 
> > If a distro would release with $someotherproductversion-1, and update KF5 monthly they would get nice reports about broken desktops - and in principle all non-rolling distros won't deliver new feature releases for desktop and applications.
> 
> Marco Martin wrote:
>     the thing is the systray that would not show plasmoids anymore. all the rest should be 100% compatible.
>     but yeah, we can leave the desktop files in kservices5 for the time being.
>     we may eventually port the applets to a new install macro to have that file not installed

Well, the .desktop files won't need to be installed anymore since we don't use them at runtime (the metadata is baked into the plugin), so we're in fact not breaking backwards compatibility, but we're reducing the installation footprint while keeping the functionality.

I agree, though, for safety to keep them around for a bit and remove them from the install in a later release.


- Sebastian


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On May 6, 2015, 5:21 p.m., Marco Martin wrote:
> 
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> https://git.reviewboard.kde.org/r/123626/
> -----------------------------------------------------------
> 
> (Updated May 6, 2015, 5:21 p.m.)
> 
> 
> Review request for KDE Frameworks and Plasma.
> 
> 
> Repository: plasma-framework
> 
> 
> Description
> -------
> 
> this ports most of libplasma away from sycoca, using instead a combination of KPluginLoader and KPackage::PackageLoader instead (so eventually using their own little caches instead of the global sycoca cache)
> a kservicetypetrader call is left in the loading of containmentactions since is the only way to make an older workspace still work, but is only a fallback, so containmentactions in plasma-workspace can be ported eventually as well
> 
> 
> Diffs
> -----
> 
>   KF5PlasmaConfig.cmake.in dee79ca 
>   src/declarativeimports/plasmacomponents/qml/private/TabBarLayout.qml be76a43 
>   src/plasma/applet.cpp 2dda381 
>   src/plasma/containment.cpp 7eabbb8 
>   src/plasma/containmentactions.cpp f24bdac 
>   src/plasma/dataengine.cpp 4b3d671 
>   src/plasma/package.cpp 4e0be88 
>   src/plasma/packagestructure.cpp b2686b6 
>   src/plasma/pluginloader.cpp 0ce349a 
>   src/plasma/private/applet_p.cpp 2cbfd06 
>   src/plasma/private/dataenginemanager.cpp b9c5d8e 
>   src/plasma/scripting/appletscript.h 863d707 
>   src/plasma/scripting/dataenginescript.h f7ad3c2 
>   src/plasma/scripting/scriptengine.cpp cc407e7 
>   src/plasma/service.h b5d9b5a 
>   src/plasma/service.cpp 3e9d852 
>   src/plasmapkg/plasmapkg.cpp d606365 
>   src/scriptengines/CMakeLists.txt f566406 
>   src/scriptengines/qml/CMakeLists.txt e7130db 
>   src/scriptengines/qml/plasmoid/appletinterface.cpp 07ecb3d 
>   src/scriptengines/qml/plasmoid/containmentinterface.cpp c6986f2 
>   src/scriptengines/qml/plasmoid/declarativeappletscript.cpp 24c39dd 
>   src/scriptengines/qml/plasmoid/wallpaperinterface.cpp a406d45 
> 
> Diff: https://git.reviewboard.kde.org/r/123626/diff/
> 
> 
> Testing
> -------
> 
> still needs a lot of testing, so far, with a master plasma-workspace notmal workspace functions seems fine
> 
> latest version still installs metadata files in kservices5. I would keep this for safety until Plasma 5.4 is released, then try to remove it again
> 
> 
> Thanks,
> 
> Marco Martin
> 
>

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