- From: Rich Schwerdtfeger <schwer@yahoo.com>
- Date: Tue, 01 Oct 2013 12:31:50 +0000
- To: "public-html-a11y@w3.org" <public-html-a11y@w3.org>
Regarding drawCustomFocusRing, It is true that main stream commercial Windows magnifiers draw their own rings. The reason for drawCustomFocusRings is to two fold: 1. tell a magnifier the location of the object 2. handle the case where an author would normally draw a custom focus ring but when the OS is high contrast mode allow the browser, which has access to that system information ( in high contrast mode), to draw the focus ring along the current path instead using the OS platform conventions for a high. contrast focus ring. Currently, we don't have a way to know we are in high contrast mode so that is why this call exists when dealing with a custom focus ring. Ideally, it would be far better to use CSS Media Queries or an Indie UI function call to determine high contrast mode and then hit testing, ( with path or some other object like shape), which could be used to provide location information. Neither of those exist pervasively in browsers today. Rich Sent from my iPad
Received on Monday, 7 October 2013 15:22:42 UTC