1324437 - Scrolling via keyboard does not work up/down

Status: NEW

(DevTools :: Responsive Design Mode, defect, P3)

Description

[Cristian Comorasu, QA [:ccomorasu], Releae Desktop QA - Please contact [e-mail]]

[Affected versions]:
 Fx 52.0a2 (20161219004024)
 Fx 53.0a1 (20161218030213)

[Affected platforms]:
 Windows 10 x64
 Ubuntu 14.04 LTS
 Mac OS X 10.11

[Steps to reproduce]:
 1. Open Firefox.
 2. Go to "www.google.com".
 3. Open RDM (ctrl/cmd+shift/alt+m).
 4. Set focus on the screen and scroll via the arrows.

[Expected result]:
 The scroll is executed up/down and left/right without any issues.

[Actual result]:
 Scroll up/down does not work.

[Regression range]:
 This issue is not a regression as it is reproducible ever since it was implemented.

[Notes]:
 Gif with the issue: http://imgur.com/a/u4NAl .

Comment 1

[J. Ryan Stinnett [:jryans] (Use needinfo, replies may be slow)]

Thanks for filing, I can reproduce this issue.  At the moment, you can work around this if you first click within the viewport to focus it.  Then scrolling via arrow keys works as expected.