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Re: [webcomponents] Encapsulation and defaulting to open vs closed (was in www-style)

From: Maciej Stachowiak <mjs@apple.com>
Date: Tue, 11 Feb 2014 15:50:03 -0800
Cc: Arthur Barstow <art.barstow@nokia.com>, "public-webapps@w3.org WG" <public-webapps@w3.org>
Message-id: <4BE70F12-5CB7-4B5D-835E-D81E4CF0922E@apple.com>
To: Dimitri Glazkov <dglazkov@chromium.org>

On Feb 11, 2014, at 3:29 PM, Dimitri Glazkov <dglazkov@chromium.org> wrote:

>  
> Dimitri, Maciej, Ryosuke - is there a mutually agreeable solution here?
> 
> I am exactly sure what problem this thread hopes to raise and whether there is a need for anything other than what is already planned.

In the email Ryosuke cited, Tab said something that sounded like a claim that the WG had decided to do public mode only:

<http://lists.w3.org/Archives/Public/www-style/2014Feb/0221.html>
Quoting Tab:
> The decision to do the JS side of Shadow DOM this way was made over a
> year ago.  Here's the relevant thread for the decision:
> <http://lists.w3.org/Archives/Public/public-webapps/2012OctDec/thread.html#msg312>
> (it's rather long) and a bug tracking it
> <https://www.w3.org/Bugs/Public/show_bug.cgi?id=19562>.

I can't speak for Ryosuke but when I saw this claim, I was honestly unsure whether there had been a formal WG decision on the matter that I'd missed. I appreciate your clarification that you do not see it that way.


Quoting Dmitri again:
> The plan is, per thread I mentioned above, is to add a flag to createShadowRoot that hides it from DOM traversal APIs and relevant CSS selectors: https://www.w3.org/Bugs/Public/show_bug.cgi?id=20144.

That would be great. Can you please prioritize resolving this bug[1]? It has been waiting for a year, and at the time the private/public change was made, it sounded like this would be part of the package.

It seems like there are a few controversies that are gated on having the other mode defined:
- Which of the two modes should be the default (if any)?
- Should shadow DOM styling primitives be designed so that they can work for private/closed components too?

Regards,
Maciej

[1] Incidentally, if you find the word "private" problematic, we could call the two modes "open" and "closed", then someday the third mode can be "secure" or "sandboxed"

Received on Tuesday, 11 February 2014 23:50:32 UTC

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