hi all... last night i committed to master in kde-runtime some major changes to the code that handles the briding of Plasma::DataEngine into QML. there was some complexity in there that was unnecessary and some performance improvements to be found as well.
there is still an issue with performance left that i'm not 100% sure yet how to deal with: DataSource keeps a local copy of all Plasma::DataEngine::Data ... which means that when the Data changes, it will cause a bunch of allocations as data members get detached, which then gets all thrown away instantly when dataUpdated gets called. in any case, i'm not comfortable backporting this to the KDE/4.7 branch right now. it's functionally equivalent to the old code, so no majorly disruptive changes (Marco: i ended up putting the source filter back in), but it needs more testing. if you are using kde-runtime from master with QML, please try to keep an eye out for any anomolies related to dataengines. everything is working perfectly here, but i may have missed something. -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Development Frameworks
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