122762 - Twisty collapses (erroneously) while the thread is still expanded

Status: RESOLVED DUPLICATE of bug 123858

(Core :: XUL, defect, P3)

Description

[Håkan Waara]

Sometimes when I browse news threads, or read my email threaded, some threads
'forget' about their children... meaning that even though the container/twisty
is collapsed, there are children displayed (and the thread-lines are drawn).

It seems as if the container/twisty state gets messed up somehow. I encounter
this quite often nowadays - and I don't know what causes it, but it's really
annoying.

Comment 1

[Håkan Waara]

CC hyatt in case he has seen this, or know the problem.

Comment 2

[Håkan Waara]

Attachment: Step 1

Step 1: see the broken thread in the middle of the screenshot.

Comment 3

[Håkan Waara]

Attachment: Step 2

Step 2: this is how it looks like when I click the twisty. If I click it again,
one duplicate will disappear, and we go back to a state where it looks like in
"Step 1".

Comment 4

[Joe Hewitt (gone)]

-> jan

Comment 5

[Håkan Waara]

I can reproduce this now all the time.  For a mailing list I participate in,
when I click on a thread with *only* new messages, the thread twisty collapses
when I read the first message in the thread - the message that started thread.

Sorry for such a fuzzy explanation, but this is the best I can do. :-)

Comment 6

[Håkan Waara]

Still happening very often in RC1.

When I select the "main" message of an expanded thread (i.e. the one with the
twisty beside it), the twisty will often collapse -- but the thread is still
expanded -- and the twisty shouldn't have been collapsed in the first place.

Hope this clarifies this bug a bit.

Comment 7

[Håkan Waara]

More info:  it happens often when browsing newsgroup threads in mailnews. It
happens both on Linux and Windows.

Comment 8

[Jan Varga [:janv]]

nominating

Comment 9

[Samir Gehani]

Nav triage team: nsbeta1-

Comment 10

[Jan Varga [:janv]]

hwaara, look at bug 123858

Comment 11

[Håkan Waara]

Sounds like a dup.

*** This bug has been marked as a duplicate of 123858 ***