[webkit-dev] Implementing CSS3 Paged Media Margin Boxes

[Eric Seidel]

When I last looked at the page media stuff (long ago).  The problem
was mostly going to be testing.  We don't have a good way to do
printing tests right now in WebKit.

On Fri, Apr 27, 2012 at 7:22 AM, Milian Wolff <milian.wolff at kdab.com> wrote:
> Hey all,
>
> I would like to work on the CSS3 Paged Media support, esp. the margin boxes.
> I'm studying the code for some time now and would welcome it if someone could
> assist me in figuring out what needs to be done...
>
> First up, I think I should tackle the missing support in the parser, i.e.
> solving the FIXME in CSSParser::createMarginAtRule. I found that
> CSSFontFaceRule looks similar and could write some code based on that. A few
> questions arise now:
>
> a) For the unit tests (probably not only there) I need to have a special
> margin-at CSSRule for cssText(). I'll probably be able to copy most of the
> stuff again, but where in the build system do I have to add these new files?
>
> b) What CSSRule::Type should the above have? WEBKIT_MARGINAT_RULE at the end
> (hence value 11)?. I could not find an official IDL proposal that includes the
> margin at rules.
>
> c) These margin-at rules can only occur inside a page rule, and I need to
> access them from somewhere - what is the suggested path to take here? create
> StyleRulePage::setMarginRules or similar? Or reuse stuff from StyleRuleBlock?
>
> d) When I have some partial patch ready, where could I get input? Should I
> attach it to a bug report (I've opened
> https://bugs.webkit.org/show_bug.cgi?id=85062 for that purpose)
>
> f) I see that there are files like JSCSSFontFaceRuleCustom.cpp - what do I
> need to do there to get the new MediaAtRule accessible from JavaScript?
>
> Bye
> --
> Milian Wolff | milian.wolff at kdab.com | Software Engineer
> KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
> Tel. Germany +49-30-521325470, Sweden (HQ) +46-563-540090
> KDAB - Qt Experts - Platform-independent software solutions
>
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