D9141: Setup QQmlEngine only once in QmlObject

Kai Uwe Broulik noreply at phabricator.kde.org
Sun Dec 3 15:49:24 UTC 2017


broulik created this revision.
broulik added a reviewer: Plasma.
Restricted Application added projects: Plasma, Frameworks.
Restricted Application added subscribers: Frameworks, plasma-devel.

REVISION SUMMARY
  `setupBindings` is called for every `QmlObject` created and installs various bits on the `QQmlEngine`, such as a network access manager, a theme icon provider, etc. However, since we use a shared `QQmlEngine` in various places, most of this needs to be done only once.
  
  This splits `setupBindings` into a `setupContext` method for setting up the localized context needed for every instance and a `setupEngine` static function that setups an engine. A fourth constructor is added that allows to influence the setup behavior. While at it, delegating constructors are used doing both to not change behavior.

TEST PLAN
  I now have the same thing done only twice instead of like 26 times. Once when the shared engine is created and another time (`setupbindings` in corebindingsplugin in plasma which probably can go?)

REPOSITORY
  R296 KDeclarative

REVISION DETAIL
  https://phabricator.kde.org/D9141

AFFECTED FILES
  src/kdeclarative/kdeclarative.cpp
  src/kdeclarative/kdeclarative.h
  src/kdeclarative/qmlobject.cpp
  src/kdeclarative/qmlobject.h
  src/kdeclarative/qmlobjectsharedengine.cpp

To: broulik, #plasma
Cc: plasma-devel, #frameworks, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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