Great!

-Sam

On Jun 13, 2011, at 9:37 AM, Tony Chang wrote:

> Sure, no problem.  I'll rename it to ENALBE_NEW_FLEXBOX.
> 
> On Fri, Jun 10, 2011 at 6:12 PM, Sam Weinig <[email protected]> wrote:
> Since it is confusing to me (and may be to others), perhaps a different name 
> than ENABLE_FLEXBOX should be used, given that we already have flexbox. 
> Maybe, ENABLE_NEW_FLEXBOX?
> 
> -Sam
>   
> On Jun 10, 2011, at 2:42 PM, David Hyatt wrote:
> 
>> Just so people know, it was my recommendation that they just start with a 
>> new renderer and implementation.
>> 
>> Some other recommendations I would make here (apologies if they have been 
>> implemented already):
>> 
>> (1) Rename the current RenderFlexibleBox to put "deprecated" into the name, 
>> e.g., RenderDeprecatedFlexibleBox.
>> 
>> (2) The old flexbox was never patched for vertical writing modes. Please 
>> make sure when you build the new renderer from the ground up that you take 
>> this into account.
>> 
>> (3) Please consult with rendering experts for any changes you have to make 
>> to base classes, especially RenderBlock and RenderBox. We may be able to 
>> help simplify some of that code, especially compared to the old flexbox.
>> 
>> (4) Use the old flexbox code as a rough guide, but be aware of its issues, 
>> e.g., too much layout when flexing, box-ordinal stuff is very slow, etc. I 
>> think some of the bugs you tried to fix already should inform this somewhat.
>> 
>> Definitely keep rendering experts in the loop on this and have fun 
>> implementing!
>> 
>> Dave
>> 
>> 
>>> On Jun 8, 2011, at 10:57 AM, Tony Chang wrote:
>>> 
>>>> Hi webkit-dev,
>>>> 
>>>> I wanted to let you know that Ojan and I plan to add flexbox layout 
>>>> support to WebCore.  WebCore already supports an older flexbox 
>>>> implementation (display: box), but the new spec is designed to be easier 
>>>> for developers to understand and more powerful.  The old flexbox will 
>>>> still remain in WebCore since none of the CSS properties overlap with the 
>>>> new flexbox spec.  The spec can be found at: 
>>>> http://www.w3.org/TR/css3-flexbox/ (http://dev.w3.org/csswg/css3-flexbox/)
>>>> 
>>>> This support will be behind the ENABLE_FLEXBOX feature define 
>>>> (https://bugs.webkit.org/show_bug.cgi?id=62049) and there is a meta bug 
>>>> tracking the feature's development 
>>>> (https://bugs.webkit.org/show_bug.cgi?id=62048).  I expect this feature to 
>>>> eventually be enabled by all ports.
>>>> 
>>>> I am ready to setup a buildbot for tracking the compile and flexbox 
>>>> related layout tests.  Should I go ahead and get this added to 
>>>> build.webkit.org's waterfall?
>>>> 
>>>> Thanks,
>>>> Tony
>>>> 
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