[Differential] [Request, 53 lines] D1622: [client] Ensure PlasmaWindowModel removes deleted windows

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added reviewers: Plasma, hein.
Restricted Application added a project: Plasma.
Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  There is a possibility that a PlasmaWindow is unmapped when the
  PlasmaWindowModel gets created. In this situation the unmapped
  PlasmaWindow will be deleted in the next event cycle. So far
  PlasmaWindowModel didn't handle this situation and the model might
  hold deleted objects due to this.
  
  This change addresses this potential problem and ensures the model
  gets updated when a PlasmaWindow is deleted.

TEST PLAN
  Test case which exposes the problem is added

REPOSITORY
  rKWAYLAND KWayland

BRANCH
  window-model-remove-deleted-windows

REVISION DETAIL
  https://phabricator.kde.org/D1622

AFFECTED FILES
  autotests/client/test_plasma_window_model.cpp
  src/client/plasmawindowmodel.cpp

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, Plasma, hein
Cc: plasma-devel, sebas
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