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[Chris Coulson <chrisccoulson@xxxxxxxxxx>]

** Changed in: oxide/1.18
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1448079

Title:
  Don't run the event loop after QGuiApplication begins to tear down

Status in Oxide:
  Fix Released
Status in Oxide 1.18 series:
  Fix Released

Bug description:
  When initializing Oxide, we register a callback with qAddPostRoutine
  to run shutdown tasks. As part of this, we spin the event loop whilst
  waiting for pending unload handlers to finish (unload handlers run
  after a WebView is destroyed, so there's no way for an application to
  delay quitting for this).

  The QApplication destructor runs these callbacks before it does
  anything else, which is great for applications that use it. However,
  the QGuiApplication destructor doesn't attempt to run them at all.
  This means that for applications using QGuiApplication, the shutdown
  callback won't execute until the QCoreApplication destructor begins
  (and QGuiApplication has been torn down).

  This is bad, because we could run tasks that call in to
  QGuiApplication for things that have already gone (eg,
  QGuiApplication::clipboard(), which would construct a new QClipboard
  and then leak).

  We need to find another way of doing this....

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