D8821: [effects] Delay creation of EffectFrames in WindowGeometryEffect

[Martin Flöser]

graesslin created this revision.
graesslin added reviewers: KWin, Plasma.
Restricted Application added a project: KWin.
Restricted Application added subscribers: kwin, plasma-devel.

REVISION SUMMARY
  Without Xwayland KWin starts so fast that the creation of the EffectFrame
  triggers a crash in the Wayland integration as the KWin internal
  connection isn't fully setup.
  
  To workaround this crash the creation of the EffectFrame is delayed till
  the first usage. It doesn't make sense to try to fix the actual crash as
  it would require to defer the creation of all Effects.

TEST PLAN
  New test case added which crashes without this fix.

REPOSITORY
  R108 KWin

BRANCH
  windowgeometry-delay-effectframe

REVISION DETAIL
  https://phabricator.kde.org/D8821

AFFECTED FILES
  autotests/integration/effects/CMakeLists.txt
  autotests/integration/effects/windowgeometry_test.cpp
  effects/windowgeometry/windowgeometry.cpp
  effects/windowgeometry/windowgeometry.h

To: graesslin, #kwin, #plasma
Cc: plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart
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