1363935 - Overriding arrow keys breaks Caret Browsing

Status: UNCONFIRMED

(Core :: DOM: UI Events & Focus Handling, defect, P3)

Description

[Paul]

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:53.0) Gecko/20100101 Firefox/53.0
Build ID: 20170418122848

Steps to reproduce:

Enable Caret Browsing (<F7> or Preferences -> Advanced -> Always use the cursor keys to navigate within pages), load a page that overrides arrow keys such as https://www.nytimes.com/2017/05/10/science/trappist-earth-size-planets-orbits-music.html and try to use the arrow keys to navigate the page.


Actual results:

<Up> and <Down> have no effect, while <Left> and <Right> navigate to other articles (on any NYTimes article page).


Expected results:

As an accessibility feature, Caret Browsing (including text selection) should take precedence over the site's key bindings.

Comment 1

[Andrew Overholt [:overholt]]

Olli, should we not be allowing navigation events to go to the page in the case of caret browsing?

Comment 2

[Olli Pettay [:smaug][[e-mail]]]

To be honest, I have no idea :)
Caret browsing is, I believe, very rarely used feature.
Do other browsers even have such feature?

This is mostly accessibility feature. Perhaps a11y folks have some opinion here.

Comment 3

[alexander :surkov (:asurkov)]

I'd say caret browsing should take over, at least until we have a scenario how to make them to co-exist together (similar to in-chrome and in-content access keys). Cc'ing more a11y folks.

Comment 4

[Sylvestre Ledru [:Sylvestre]]

Moving to p3 because no activity for at least 1 year(s).
See https://github.com/mozilla/bug-handling/blob/master/policy/triage-bugzilla.md#how-do-you-triage for more information