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Re: [css-regions] Possible change to the Region interface

From: Mihnea-Vlad Ovidenie <mihnea@adobe.com>
Date: Thu, 3 Oct 2013 20:45:22 +0100
To: Boris Zbarsky <bzbarsky@MIT.EDU>, "www-style@w3.org" <www-style@w3.org>
Message-ID: <CE73A2E1.4D567%mihnea@adobe.com>
On 10/1/13 6:07 PM, "Boris Zbarsky" <bzbarsky@MIT.EDU> wrote:

>On 10/1/13 6:22 AM, Cameron McCormack wrote:
>> Simon Pieters:
>>>     You can make the return value sequence<(Region or Element or
>>>     PseudoElement)>
>> Elliott Sprehn wrote:
>>> That still requires multiple inheritance, what type do you represent
>>> that as in the C++?
>>> I'd rather we didn't have to implement some kind of abstract common
>>> class to PseudoElement and Element just for Regions.
>> I don't think it necessarily requires multiple inheritance.
>Indeed.  Gecko would represent the above as a vector of tagged unions on
>the c++ side.

Are you saying that Gecko has support for the above scenario without
multiple inheritance in the C++ layer? Would you mind pointing me to where
I should take a look and what are the interfaces involved?

Received on Thursday, 3 October 2013 19:45:43 UTC

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