D5856: Use KDirWatch removeDir/addDir instead of stopDirScan/restartDirScan

[David Faure]

dfaure added a comment.


  I know what the problem is with this.
  Previously, if nobody was watching the directory, stopDirScan/restartDirScan would basically do nothing.
  Now, after running a kio job in that directory, KDirWatch will start watching it, for no purpose, due to the unconditional addDir().
  
  I guess this needs checks with KDirWatch::contains() before removeDir to only call addDir on dirs that were actually watched in the first place...

REPOSITORY
  R241 KIO

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D5856

To: dfaure, aacid
Cc: #frameworks
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