D14290: [KWidgetJobTracker] Show "Open Destination" etc buttons only if destination is valid

[Kai Uwe Broulik]

broulik created this revision.
broulik added a reviewer: dfaure.
Restricted Application added a project: Frameworks.
Restricted Application added a subscriber: kde-frameworks-devel.
broulik requested review of this revision.

REVISION SUMMARY
  It checks whether the file is not in `TEMP` but it doesn't check whether the `QUrl` is valid.
  It opens `destination` when you click the button which fails when it is invalid/empty.
  
  CCBUG: 396738

TEST PLAN
  Buttons no longer show when there is no destination

REPOSITORY
  R288 KJobWidgets

REVISION DETAIL
  https://phabricator.kde.org/D14290

AFFECTED FILES
  src/kwidgetjobtracker.cpp

To: broulik, dfaure
Cc: kde-frameworks-devel, michaelh, ngraham, bruns
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