Re: [cssom-view] value of scrollLeft in RTL situations is completely busted across browsers

On Wed, Aug 8, 2012 at 11:33 PM, Shane Stephens <shans@google.com> wrote:

>
>>> Based on this data, I propose we adopt the Gecko/Opera behavior for both
>>> viewport and non-viewport scrolling. (I assume everyone agrees that Webkit
>>> treating them differently is a bug.)
>>>
>>> If we need a property that always starts at 0 and progresses left in RTL
>>> situations, I suggest creating a new "scrollHorizontal" property for that.
>>
>>
>> I agree. scrollLeft should express legacy behavior (to the extent we can
>> agree on a norm), and a new method can be defined to effectively abstract
>> writing mode;
>>
>>
> I'm quite happy with this approach too.
>
> Would we then agree with Rob's original suggestion ("I think most Web
> content I've seen that uses scrollLeft assumes its minimum value is zero
> and it increases from left to right" - the key here is that the minimum
> maps to the left hand edge) as a specification for scrollLeft? Or
> alternatively explicitly denote that scrollLeft is legacy and undefined for
> RTL content?
>

I prefer Rob's original suggestion; i.e., I prefer that left means left.