Bug 1494100 Comment 5 Edit History

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Original comment by
on 
(In reply to Ting-Yu Lin [:TYLin] (UTC-7) from comment #4)
> I morph this bug for implementing "contain:size" because I'm not sure what needs to be done to implement `contain:layout` in `ColumnSetWrapperFrame`, and I don't see any `IsContainLayout()` in `nsColumnSetFrame`.

I think the main per-frame `contain:layout` thing is to behave as if you have no baseline. And ColumnSetWrapperFrame probably gets that for free by virtue of inheriting nsBlockFrame's Reflow method and baseline getters.
Revision 1 by
on 
(In reply to Ting-Yu Lin [:TYLin] (UTC-7) from comment #4)
> I morph this bug for implementing "contain:size" because I'm not sure what needs to be done to implement `contain:layout` in `ColumnSetWrapperFrame`, and I don't see any `IsContainLayout()` in `nsColumnSetFrame`.

I think the main per-frame-class `contain:layout` functionality is to behave as if you have no baseline. And ColumnSetWrapperFrame probably gets that for free by virtue of inheriting nsBlockFrame's Reflow method and baseline getters.

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