[Bug 28446] [Shadow]: Consider removal of multiple shadow roots

https://www.w3.org/Bugs/Public/show_bug.cgi?id=28446

--- Comment #2 from Dimitri Glazkov <dglazkov@chromium.org> ---
>From https://lists.w3.org/Archives/Public/public-webapps/2015AprJun/0109.html:

"I was asked to provide a use case for our stance. One that we've found
with Firefox OS is custom dialogs, quoting Wilson Page:

# I have an <x-dialog> component. It takes care of transitioning
# in and out of the viewport and appropriate styling contained
# elements (<h1>, <button>, <p>).
#
# I want to be able to extend this component to produce
# <x-dialog-alert>. In this case extending the prototype alone
# isn't enough, I need to also be able to extend the markup
# and styling of <x-dialog>.
#
# At the point of creation <x-dialog-alert> can add a second
# ShadowRoot that allows it to compose its own content
# inside that of the 'old' <x-dialog> ShadowRoot. Without this
# <x-dialog-alert> would have to duplicate all the markup, style
# and interaction code again."

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Received on Thursday, 16 April 2015 16:42:42 UTC