[Bug 138878] Firefox plugin finder hangs while modal dialog appears on different workspace

[Steve Alexander]

Public bug reported:

Binary package hint: firefox

I'm using the latest gutsy, 32 bit intel.

I had installed gnash already.

I'm using the "medium" level of desktop effects, with firefox on
workspace 3.

I used firefox to go to a web site with a flash movie, and clicked where
the movie would be shown.

The computer asked me if I'd like to install a plugin, and if I'd like
gnash or adobe flash.

I chose gnash and pressed next.  Then, both firefox and that dialog with
the next button appeared to freeze up.  Nothing happened for a long
while.

Eventually, I noticed on workspace 1, a modal dialog telling me the
changes have been applied, and asking me to close that window.

I close the window using the 'close' button, and back on workspace 3,
the "plugin finder service" window is working again.

I press "finish" on that window, and the firefox page re-renders, this
time with the flash content available.

The bug is that the modal dialog appeared on desktop 1, whereas firefox
was on workspace 3.  So, I was waiting for the installation of the
plugin to finish, watching workspace 3.  It didn't occur to me to go and
look on different workspaces to find the dialog to say "yes, I confirm
that the process can be finished".

Actually, I don't really understand the value of that dialog -- all it
wanted me to do was click "finished".  The process would have been
smoother without that dialog at all.  However, that would be another
"usability enhancement" bug rather than a more serious "It looks like
firefox has crashed, even though it hasn't" bug.

I think maybe this is what happened with bug 96929 (marked invalid).

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

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Firefox plugin finder hangs while modal dialog appears on different workspace
https://bugs.launchpad.net/bugs/138878
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