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Re: [css3-values] RE: CSSStyleDeclaration#length and shorthands.

From: Alexis Menard <alexis.menard@openbossa.org>
Date: Tue, 31 Jan 2012 16:56:15 -0300
Message-ID: <CACh0f5i8Q=xbx0ZTWTBNM51YzdRsDsHuwuuyLCe49iXxS_m18Q@mail.gmail.com>
To: Brian Manthos <brianman@microsoft.com>
Cc: "www-style@w3.org" <www-style@w3.org>
On Tue, Jan 31, 2012 at 4:41 PM, Brian Manthos <brianman@microsoft.com> wrote:
> We had some discussions on this topic in the context of box-shadow someday becoming a shorthand.  One proposal suggested that box-shadow would vanish from the list and events when that happens; another proposal suggested that box-shadow would remain.  I think the latter is better for compatibility and continuity so that "becoming a shorthand" is a pure positive activity rather than a partial negative activity (literally and from a compatibility perspective).  Jury is still out, last I checked.
>
>
> Alexis Menard:
>> I  meant should I explicitly set the initial or inherit on the
>> longhands therefore add them to the list of declarations of the style?
>
> I think "yes".
>
> Brian:
>> Example C:
>> <span style="border: 7px dashed red;">s<div style="border: inherit;">D</div>s</span>
> Alexis:
>> But on example C do you expect to
>> have DIV.style.length to report 1 or the same length as the SPAN.
>
> The latter, they both should have the full complement of most atomic all the way up...
> - border-top-width, border-right-width, border-bottom-width, border-left-width
> - border-top-style, border-right-style, border-bottom-style, border-left-style
> - border-top-color, border-right-color, border-bottom-color, border-left-color
> - border-width
> - border-style
> - border-color
> - border
>
> In the span case, all of those would have "7px", "dashed", "red", or the combination of all three.
> In the div case, all of those would have "inherit".

I agree here.

>
> Alexis:
>> Right now I'm unfamiliar with -prefix-initial so I will read about it.
> When I say "-prefix-initial", I'm referring to "-webkit-initial", "-moz-initial", etc. -- aka vendor prefixes.  My not-at-all-subtle repeated point is that the spec(s) defining "initial" haven't reached CR yet so support for this value should be prefixed.
>

Ah ok. Didn't catch it :D.

> Alexis:
>> Given this example : <div style="border-width: 1px 2px 3px
>> 4px;"></div>. What would be the length of the style for the div?
>>
>> - 4 ? (border-top-width, border-right-width, border-bottom-width,
>> border-left-width)
>> - 5 ? (border-top-width, border-right-width, border-bottom-width,
>> border-left-width, border-width)
>
> I believe the length should be 5.
>
> border-top-width: 1px;
> border-right-width: 2px;
> border-bottom-width: 3px;
> border-left-width: 4px;
> border-width: 1px 2px 3px 4px;
>

I also think it should be 5.

-- 
Alexis Menard (darktears)
Software Engineer
INdT Recife Brazil
Received on Tuesday, 31 January 2012 19:56:42 GMT

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