[webkit-dev] Request For Position on CSS containment

[Simon Fraser]

We have no code for css containment yet.

Simon


> On Mar 15, 2021, at 12:57 PM, Rob Buis <rbuis at igalia.com> wrote:
> 
> Hi,
> 
> If true, then https://bugs.webkit.org/show_bug.cgi?id=172026 can be closed.
> 
> I am finding the feature in features.json, but I am not sure that means there is actual code.
> 
> There may be code in RenderLayerBacking, but AFAIU that would mean "only" contain: paint and would not be WebExposed? Can somebody check?
> 
> Regards,
> 
> Rob.
> 
> Am 15.03.21 um 20:18 schrieb Simon Fraser:
>> WebKit supports CSS containment.
>> 
>> Simon
>> 
>>> On Mar 15, 2021, at 9:14 AM, Rob Buis via webkit-dev <webkit-dev at lists.webkit.org> wrote:
>>> 
>>> Hi webkit-dev,
>>> 
>>> This is a request for WebKit's position on CSS containment.
>>> 
>>> Our first interest is to implement the contain property as specified here:
>>> https://www.w3.org/TR/css-contain-1/
>>> 
>>> After that, we want to work on style containment and the content-visibility property:
>>> https://www.w3.org/TR/css-contain-2/
>>> Regards,
>>> 
>>> Cathie and Rob.
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