ubuntu-webapps-bugs team mailing list archive

[Chris Coulson <chris.coulson@xxxxxxxxxxxxx>]

Public bug reported:

Currently, oxide::qquick::WebPopupMenuDelegate (and others) do something
like this:

QQmlContext* baseContext = component->creationContext();
context_.reset(new QQmlContext(baseContext));
item_.reset(qobject_cast<QQuickItem *>(component->beginCreate(context_.data())));

However, if the root of the Component isn't an Item, the qobject_cast
here will return NULL and the result of QQmlComponent::beginCreate()
will leak forever

** Affects: oxide
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1410350

Title:
  Leak in UI delegates if the root of the Component isn't an Item

Status in Oxide Webview:
  New

Bug description:
  Currently, oxide::qquick::WebPopupMenuDelegate (and others) do
  something like this:

  QQmlContext* baseContext = component->creationContext();
  context_.reset(new QQmlContext(baseContext));
  item_.reset(qobject_cast<QQuickItem *>(component->beginCreate(context_.data())));

  However, if the root of the Component isn't an Item, the qobject_cast
  here will return NULL and the result of QQmlComponent::beginCreate()
  will leak forever

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