1245794 - Unresponsive e10s checkbox for touch devices

Status: RESOLVED WONTFIX

(Core :: Disability Access APIs, defect)

Description

[Vasilica Tamas, QA [:vtamas]]

[Affected versions]:
Firefox 47.0a1 (2016-02-03)
Firefox 46.0a2 (2016-02-03) 

[Affected platforms]:
Windows 10 64-bit

[Affected devices]:
Dell Xps 12

[Steps to reproduce]:
1.Launch Firefox with a clean profile.
2.Navigate to about:preferences
3.Disable e10s and restart the browser.
4.Enable back e10s and restart the browser.
5.Check the enable/disable e10s checkbox.


[Expected result]:
e10s can be successfully enabled/disabled.


[Actual result]:
Enable/Disable e10s checkbox is unresponsive.
See screenshot: http://i.imgur.com/ST5CY55.png


[Regression range]:
I tried to get a regression window but I was unable to do that because of Bug 1245332.
But I suspect that this issue is related to a11y disabling.


[Additional notes]:
- This issue reproduces only on Dell Xps 12 with tablet mode on/off.
- I was unable to reproduce it on a desktop device.
- There are no errors thrown in browser console.

Comment 1

[Kartikaya Gupta (email:[e-mail])]

jimm, in the screenshot posted here, the e10s checkbox is checked and disabled. shouldn't it be UNchecked and disabled, if e10s is disabled for a11y? I can repro this:

- start firefox with a fresh profile on a touch device
- restart firefox on the same profile; now e10s is disabled by a11y
- go to about:preferences, look at the checkbox

ER: disabled and unchecked
AR: disabled and checked

the checked box is misleading because it implies e10s is enabled rather than disabled.

Comment 2

[Jim Mathies [:jimm]]

if this bugs devs to the point that they want to land a patch that inverses that checkbox, feel free.

Comment 3

[Liz Henry (:lizzard Please n-i to RyanVM, jcristau, or pascal)]

Marking unaffected for 46 since e10s will not be enabled on 46 release.