D11594: Add support for hide action

[Andre Heinecke]

aheinecke added a comment.


  Freedesktop bugzilla entry for this is: 
https://bugs.freedesktop.org/show_bug.cgi?id=105758

REVISION DETAIL
  https://phabricator.kde.org/D11594

To: aheinecke, #okular
Cc: aacid, michaelweghorn, ngraham