268942 - Download notification pops up twice when target is set to something unexistant / new window(tab) is opened upon downloading from set target

Status: VERIFIED DUPLICATE of bug 241972

(Toolkit :: Downloads API, defect)

Description

[RSpliet]

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0

When I click a link that opens a file with a content-type header Firefox can't
'process' itself (in other words, when I try to download a file not using the
right-click->save as method) The download notification window pops up twice,
containing the same file it wishes to store. This only occurs when the target is
set to _blank, or anything else. The top notification of both is usable, and
works. The one behind the first one is not, so when pressing OK or Cancel will
only remove the notification. This behaviour occurs with Tabbrowser extension
set to 'one window only'. When I choose to use multiple windows normally, I get
only a new window with a download request in it.

Reproducible: Always
Steps to Reproduce:
1.Save the proof of concept shown below to your HD
2.Open the Proof of concept
3.Test the links, where the first one is without set target, second one has it's
target set to something inexistant and the third link has target=_blank

An example of the behaviour can also be found on
http://www.tweakers.net/meuktracker/7738

Actual Results:  
1 or 2 Download notifications popped up, and a tab/window opened

Expected Results:  
Only pop up the download notification (don't open a new window), and only once.

I make use of the Tabbrowser extension. I shall post my findings after testing
without TBE (had this report typed halfly after I found out about TBE ;))

Comment 1

[RSpliet]

Without TBE, the second behaviour (only 1 message, and a new window opened) occurs

Comment 2

[Phil Ringnalda (:philor)]

And that part, the valid "without an extension making a bad situation worse"
part, is a duplicate. Some days, you just can't win ;)

*** This bug has been marked as a duplicate of 241972 ***