Closed Bug 815961 Opened 9 years ago Closed 9 years ago
After dragging & dropping a tab the tabstrip scrolls to center the tab
When I do a tab drag&drop operation, after I drop the tab on its desired position, the tabstrip then scrolls and centers the tab. This makes it confusing because I instantly lose track of where the tab went, and is specially confusing now that we have direct tab manipulation. I imagine this is a bug (and not the way it's intended to be). If so I can try to find a regression range; I'm pretty sure it's recent.
I can reproduce since the build which bug 783282 had landing. http://hg.mozilla.org/mozilla-central/rev/257e181b2a96 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/17.0 Firefox/17.0 ID:20120827104458 Screen capture : http://youtu.be/Q8KaXut9g3o Steps to reproduce: 1. Open enough number of tabs and overflow tabstrip 2. Drag a tab to this side of the scroll button 3. And then drop the tab Actual results: Unexpected scrolling happens Expected results: After the drop of the tab, The tab should be located in the immediate neighbor of the scroll button.
Assigning to Dao to look into the regression. We're too late for the 17.0.1 release so not tracking there, or in esr17 which wouldn't take a fix for something like this without significant user requests, but we'll hope for a fix on trunk & branches here to minimize the amount of exposure to this regression.
I just tested on my computer too and it does happen since the landing of 783282, I just had never noticed before. Thanks for the screen capture, Alice!
this was caused by moveTabTo being called before _finishAnimateTabMove
Attachment #688254 - Flags: review?(felipc)
Comment on attachment 688254 [details] [diff] [review] patch nice, fixes the problem for me! thanks
Attachment #688254 - Flags: review?(felipc) → review+
Comment on attachment 688254 [details] [diff] [review] patch [Approval Request Comment] Bug caused by (feature/regressing bug #): bug 783282 User impact if declined: see comment 0 Testing completed (on m-c, etc.): on m-c Risk to taking this patch (and alternatives if risky): low risk String or UUID changes made by this patch: none
Comment on attachment 688254 [details] [diff] [review] patch Approving on branches as its a low risk fix for a regression in FF17.Will request QA to help with some manual testing around this bug alongside.
QA,can we please get some manual verification/testing around the reported issue. Thanks !
QA Contact: jbecerra
I wasn't able to reproduce the issue, using the STR from comment 1. No unexpected scrolling happens for me. User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/17.0 Firefox/17.0 Build ID: 20120827030549 Any suggestions would be appreciated.
I re-tested this on Ubuntu and managed to reproduce the issue. This is now fixed on Firefox 18 beta 4, build ID: 20121212073002
Mozilla/5.0 (X11; Linux i686; rv:20.0) Gecko/20100101 Firefox/20.0 Mozilla/5.0 (Windows NT 6.1; rv:20.0) Gecko/20100101 Firefox/20.0 Verified as fixed in Firefox 20 beta 2 (buildID: 20130227063501) using Ubuntu 12.04LTS 32-bit and Windows 7 64-bit following STR from comment 1.
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