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[Bug 18704] New: [Shadow]: How reset-style-inheritance flag of insertion point works with multiple show roots

From: <bugzilla@jessica.w3.org>
Date: Mon, 27 Aug 2012 11:04:42 +0000
To: public-webapps-bugzilla@w3.org
Message-ID: <bug-18704-2532@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=18704

           Summary: [Shadow]: How reset-style-inheritance flag of
                    insertion point works with multiple show roots
           Product: WebAppsWG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Component Model
        AssignedTo: dglazkov@chromium.org
        ReportedBy: tasak@google.com
         QAContact: public-webapps-bugzilla@w3.org
            Blocks: 14978


If some shadow host has multiple shadow roots and each shadow root has
<shadow>, what reset-style-inheritance flag should be applied? 

For example, 
- see reset-style-inheritance flag of an insertion point in the oldest shadow
root, 
- see reset-style-inheritance flag of an insertion point in the youngest shadow
root,
- see whether all insertion points have reset-style-inheritance flag set to be
true or not (all reset-style-inheritance flags are true, apply
reset-style-inheritance),
- see whether more than one of insertion points has reset-style-inheritance
flag set to be true or not (i.e. one of reset-style-inheritance flag is true,
apply reset-style-inheritance)
- or some way.

If we have the following html:

<div id="host"><span>child-1</span></div>

...

var host = document.getElementById('host');
var oldestShadowRoot = new WebKitShadowRoot(host);
var olderShadowRoot = new WebKitShadowRoot(host);
var youngerShadowRoot = new WebKitShadowRoot(host);
var youngestShadowRoot = new WebKitShadowRoot(host);
oldestShadowRoot.innerHTML = "<shadow></shadow>";
olderShadowRoot.innerHTML = "<shadow></shadow>";
youngerShadowRoot.innerHTML = "<shadow></shadow>";
youngestShadowRoot.innerHTML = "<shadow></shadow>";

and reset-style-inheritance flags are set in the following way:

+-------------------------------------------------+
| oldest | older | younger | youngest | apply reset-style-inheritance? | 
+-------------------------------------------------+
| true   |  true   | true       |  true        | yes                           
 |
+-------------------------------------------------+
| true   |  true   | true       |  false       | yes? no?                     |
+-------------------------------------------------+
| true   |  true   | false      |  true        | yes? no?                     |
+-------------------------------------------------+
...
snip
...
+-------------------------------------------------+
| false  |  false  | false      |  false       | no                            
 |
+-------------------------------------------------+

we should apply reset-style-inheritance? or should not apply?

Best regards,
Takashi Sakamoto

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Received on Monday, 27 August 2012 11:04:46 GMT

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