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Commit 2ff5cfd6 authored by Felipe Borges's avatar Felipe Borges
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printers: Make the cups connection test cancellable 

Currently gnome-control-center could crash whenever a connection
test is interrupted by the disposal of the Printers panel.

Searching in the g-c-c shell for any query that could match the
Printers panel would instantiate the CcPrintersPanel class. Since
we perform a connection test to the printing server as soon as this
object is created, a fast disposal of the panel (by choosing another
search result) would cause the whole application to crash.

https://bugzilla.gnome.org/show_bug.cgi?id=792753
parent 24d1e7f7
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