i doubt there is a way to do that. the behaviour you're experiencing can't be called a bug. pdf's arent rendered by firefox but by a plugin (adobe reader for example but could be anything else). opposed to opening a plain textfile which is nothing else than a markupless html file rendered with some kind of default stylesheet. to make FF aware of the finished pdf you would need to get that info from the corresponding plugin.
Severity: major → normal
What about when you don't have a PDF browser plugin? Doesn't the browser then need to pass the cached PDF file to the external PDF viewer (official Adobe viewer, Foxit Reader, Xpdf, etc.)? If the browser must cache it completely first, then maybe you've got an opening to invoke something, and then pass the cached file to the external viewer or then to a plugin.
This bug was reported on Firefox 2.x or older, which is no longer supported and will not be receiving any more updates. I strongly suggest that you update to Firefox 3.6.3 or later, update your plugins (flash, adobe, etc.), and retest in a new profile. If you still see the issue with the updated Firefox, please post here. Otherwise, please close as RESOLVED > WORKSFORME http://www.mozilla.com http://support.mozilla.com/kb/Managing+profiles http://support.mozilla.com/kb/Safe+mode
No reply, INCOMPLETE. Please retest with Firefox 3.6.x or later and a new profile (http://support.mozilla.com/kb/Managing+profiles). If you continue to see this issue with the newest firefox and a new profile, then please comment on this bug.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 8 years ago
Resolution: --- → INCOMPLETE
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