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RE: [css3-values] Interaction of vw/vh and scrollbars

From: Sylvain Galineau <sylvaing@microsoft.com>
Date: Tue, 4 Dec 2012 17:01:29 +0000
To: Boris Zbarsky <bzbarsky@MIT.EDU>, "www-style@w3.org" <www-style@w3.org>
Message-ID: <3C4041FF83E1E04A986B6DC50F0178291BEAB1CC@TK5EX14MBXC221.redmond.corp.microsoft.com>

[Boris Zbarsky:]
> 
> On 12/3/12 6:02 PM, Tab Atkins Jr. wrote:
> > In the two browsers that currently support vw/vh, Chrome and IE,
> > neither one pays any attention to scrollbars.
> 
> Neither does Gecko (which has vh/vw on the Aurora channel at this point),
> fwiw.
> 
Wouldn't such a requirement also make implicit assumptions about scrollbars' 
UI model? On many touch devices scrollbars are overlaid on top of the content 
only when the user is touching/panning the screen. Recalculating viewport units 
and reflowing when that happens would clearly be horrible; preventing the app 
from using that part of the viewport would also be sub-optimal, if only because 
these scrollbar designs were at least partly motivated by the desire to avoid 
wasting precious screen real estate. I wouldn't expect such implementations to
bother fixing the testcase fails they would get from this requirement. 

Received on Tuesday, 4 December 2012 17:02:39 GMT

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