[webkit-dev] Adding ENABLE_FLEXBOX to WebCore

Ojan Vafai ojan at chromium.org
Fri Jun 10 10:18:17 PDT 2011

On Fri, Jun 10, 2011 at 10:14 AM, Tony Chang <tony at chromium.org> wrote:

> On Thu, Jun 9, 2011 at 3:55 PM, Maciej Stachowiak <mjs at apple.com> wrote:
>> On Jun 9, 2011, at 3:00 PM, Tony Chang wrote:
>> On Thu, Jun 9, 2011 at 1:19 PM, Sam Weinig <weinig at apple.com> wrote:
>>> If the issue is the syntax for describing flexing, perhaps the spec
>>> should be written in a backwards compatible way, that supports both the new
>>> syntax and the old syntax, but the underlying implementation can remain.
>> The new syntax describes a superset of features provided by the old
>> syntax.  I think it's possible to implement the old flexbox on top of the
>> new flexbox implementation and that seems like a worthwhile goal, but it'll
>> probably easier to see the similarities for refactoring after the code has
>> been written.
>> If it's a superset then I would much prefer to see the old code
>> incrementally enhanced to support the extended features and new syntax, then
>> to first rewrite from scratch and merge. Maybe the right step 1 is
>> refactoring and cleaning up the old code. Rewriting from scratch throws away
>> accumulated knowledge, and in cases where we have to keep the old
>> implementation too, bloats the code.
> The decision to start from scratch was based on a recommendation by Hyatt
> on IRC to just rename the old implementation (to RenderDeprecatedFlexibleBox
> or something) and make a new implementation of RenderFlexibleBox.

Hyatt should probably chime in here, but on IRC he seemed to think that the
old RenderFlexibleBox was a bad design and needed a complete rewrite

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