Steve: Thanks for isolating in JS and filing! Rob/John: Thanks for the info and spec pointer.
On Wednesday, June 11, 2014 8:04:29 AM UTC-7, Rob Dodson wrote: > > ah yes, looks like a canary bug. The text is red in M36 but back to black > in M37 :[ > > > On Wed, Jun 11, 2014 at 8:01 AM, Steve Orvell <[email protected] > <javascript:>> wrote: > >> I believe this is a bug. Filed: >> >> crbug.com/383366 >> >> >> On Wed, Jun 11, 2014 at 7:53 AM, 'Rob Dodson' via Polymer < >> [email protected] <javascript:>> wrote: >> >>> >>> >>> >>> On Tue, Jun 10, 2014 at 9:26 PM, Jan Miksovsky <[email protected] >>> <javascript:>> wrote: >>> >>>> I've hit an oddity and would like some indication as to whether it's a >>>> bug. >>>> >>>> See http://jsbin.com/hijat/1/edit. This defines two elements: the >>>> first element colors certain content nodes in red, and second element >>>> simply reprojects its content into an instance of the first element. >>>> >>>> My question pertains to the semantics of ::content styling. Previously, >>>> I'd assumed that ::content matched a single <content> insertion point. >>>> Lately, however, I've noticed that ::content seems to match *any number* >>>> of >>>> content insertion points. That is, it can be used to style not only >>>> directly distributed content, but redistributed content as well. That's >>>> awesome! I need that in a number of places. >>>> >>>> >>> I believe that's because there's an implicit * on the left hand side of >>> ::content if you don't specify an element. If your content element had an >>> id of "foo" then you could say: #foo::content and only match that one >>> content element. >>> >>> In your second example, red-element is able to style the content passed >>> to it from contains-red-element because it just sees it as content, no >>> different from if it was passed a few divs, like in your first example. >>> >>> >>>> However, the jsbin shows at least one case where styling doesn't seem >>>> to work the same when considering redistributed content. I can't actually >>>> find a spec for the ::content selector anywhere (where is the real spec?), >>>> only some very high-level stuff on polymer-project.org, so I can't pin >>>> down how this selector's supposed to work. >>>> >>>> >>> I don't think there's any built in mechanism to specifically style >>> redistributed content. However, if you at least know your containing >>> element then you can use host-context from within red-element. For example: >>> >>> :host-context(contains-red-element) ::content .red { >>> color: green; >>> } >>> >>> http://jsbin.com/zemom/2/edit >>> >>> >>>> Please let me know if this is a bug and I can file it. (The Blink team >>>> tends to want bug repro cases to *not* use Polymer, which creates a chore >>>> in a case like this to manually compile Polymer markup into JavaScript, so >>>> I've held off on filing a bug until it's likely I've actually got a real >>>> bug here.) >>>> >>>> Follow Polymer on Google+: plus.google.com/107187849809354688692 >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "Polymer" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected] <javascript:>. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/polymer-dev/9094d0f0-8deb-47b6-a03e-459c9b0d1b7e%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/polymer-dev/9094d0f0-8deb-47b6-a03e-459c9b0d1b7e%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> Follow Polymer on Google+: plus.google.com/107187849809354688692 >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Polymer" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected] <javascript:>. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/polymer-dev/CAJj5OwCFWMbQO9XY3-1G-meKQzCb3LcnpYsDswD0Q7LH2yDd-w%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/polymer-dev/CAJj5OwCFWMbQO9XY3-1G-meKQzCb3LcnpYsDswD0Q7LH2yDd-w%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> > Follow Polymer on Google+: plus.google.com/107187849809354688692 --- You received this message because you are subscribed to the Google Groups "Polymer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/polymer-dev/99244201-945a-4501-b806-6edaa80f2896%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
