- From: Rik Cabanier <cabanier@gmail.com>
- Date: Mon, 4 Nov 2013 10:02:02 -0800
- To: Dirk Schulze <dschulze@adobe.com>
- Cc: "public-fx@w3.org" <public-fx@w3.org>, www-style list <www-style@w3.org>
- Message-ID: <CAGN7qDAQ5oYDtkPrW0AQP1f8eJkdZ1YKqB=fLWwLBY5WD6mhuw@mail.gmail.com>
The assistive software draws it own separate focus for accessibility. That one is not affected by the style of the element. On Mon, Nov 4, 2013 at 9:31 AM, Dirk Schulze <dschulze@adobe.com> wrote: > > On Nov 4, 2013, at 6:19 PM, Rik Cabanier <cabanier@gmail.com> wrote: > > Hi Dirk, > > are you worried about this for accessibility reasons or because you > believe it doesn't look right aesthetically ? > > > Just for accessibility reasons. > > Greetings, > Dirk > > > > On Mon, Nov 4, 2013 at 1:09 AM, Dirk Schulze <dschulze@adobe.com> wrote: > >> Hi, >> >> While working on Filter Effects, I realized that the specifications CSS3 >> Color, CSS Compositing, CSS Masking and Filter Effects mention that they >> affect all painting layers of an element. This of course include >> background, border, content and would also include the outline. >> >> A focus ring is drawn on selected elements (i.e setting ’tabindex’ >> attribute on an element and tab to it). The focus ring is necessary for >> accessibility reasons. >> >> All the graphical effects (‘mix-blend-mode’, ‘clip’, ‘mask’, >> ‘mask-box-image’, ‘opacity’, ‘clip-path') seem to influence the focus ring >> on UAs today (tested on WebKit, Blink Gecko). >> >> Some specification parts suggest that the ‘outline’ property can be used >> to style a focus (:focus { outline: …} ). I am not sure if ‘outline’ is >> really responsible for the focus ring. Looking at the visual output of the >> property it could very well be. >> >> I start to wonder if that is really the desired effect and what it means >> to accessibility if the focus ring gets transparent, blurred, clipped or >> blended with the back drop. >> >> I see the burden to implementers to change the current behavior. On the >> other hand it feels like all these effects should NOT have any influence on >> color or density of the focus ring. >> >> Greetings, >> Dirk >> >> >> >> > >
Received on Monday, 4 November 2013 18:02:31 UTC