- From: Simon Pieters <simonp@opera.com>
- Date: Wed, 05 Jun 2013 00:31:57 +0200
- To: "www-style@w3.org" <www-style@w3.org>, "Koji Ishii" <kojiishi@gluesoft.co.jp>
On Mon, 02 Jan 2012 16:11:20 +0100, Koji Ishii <kojiishi@gluesoft.co.jp> wrote: > A friend of mine found that scrollIntoView[1] doesn't work when > principal writing mode is vertical, because the spec assumes text flows > top to bottom, which is not true for vertical flow. He was developing a > JavaScript to highlight text being read by SMIL[2]. > > I think we need to apply dimensional mapping[3] to CSSOM View. "Scroll > an element into view"[4] must be logicalized. Whether to logicalize > properties such as clientTop might need discussions. I think practical > answer is to logicalize them as well because physical means many scripts > must be re-written to run well in vertical flow, and I can't imagine > good use of these properties as physical. > > Thoughts? > > [1] http://www.w3.org/TR/cssom-view/#dom-element-scrollintoview > [2] http://www.epubcafe.jp/egls/epubcon01a/0101 > [3] http://dev.w3.org/csswg/css3-writing-modes/#dimension-mapping > [4] http://www.w3.org/TR/cssom-view/#scroll-an-element-into-view The spec has been updated to be aware of vertical writing modes. https://dvcs.w3.org/hg/csswg/rev/ed75c8f22fa1 https://dvcs.w3.org/hg/csswg/rev/4173a32e6fc9 https://dvcs.w3.org/hg/csswg/rev/676259865cac https://dvcs.w3.org/hg/csswg/rev/90cfc79f2d83 -- Simon Pieters Opera Software
Received on Tuesday, 4 June 2013 22:31:41 UTC