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 Regards, KojiReceived on Monday, 2 January 2012 15:13:38 UTC
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