D15404: [KFileItemModelRolesUpdater] Avoid duplicate indexes to resolve

[Kai Uwe Broulik]

broulik created this revision.
broulik added reviewers: Dolphin, elvisangelaccio.
Herald added a project: Dolphin.
Herald added a subscriber: kfm-devel.
broulik requested review of this revision.

REVISION SUMMARY
  This avoids requesting a thumbnail twice for certain files, typically the first or last one in a folder

TEST PLAN
  Noticed that it would generate the thumbnail for the first folder twice
  
  Haven't spotted any more duplicates, there could be more cases

REPOSITORY
  R318 Dolphin

REVISION DETAIL
  https://phabricator.kde.org/D15404

AFFECTED FILES
  src/kitemviews/kfileitemmodelrolesupdater.cpp

To: broulik, #dolphin, elvisangelaccio
Cc: kfm-devel, feverfew, spoorun, navarromorales, firef, andrebarros, emmanuelp
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