Support theme meta w3c standard

[skjnldsv]

https://html.spec.whatwg.org/multipage/semantics.html#meta-color-scheme

[szaimen]

With this I suppose we can remove https://github.com/nextcloud/server/blob/cfc1c21a80c90f8668846ed528f7b4355cbb6c24/apps/theming/lib/Controller/ThemingController.php#L376 again? (I must admit using the primary color as background-color is a misuse)

[skjnldsv]

With this I suppose we can remove

https://github.com/nextcloud/server/blob/cfc1c21a80c90f8668846ed528f7b4355cbb6c24/apps/theming/lib/Controller/ThemingController.php#L376

again? (I must admit using the primary color as background-color is a misuse)

That's not related to this pr, is it?

[szaimen]

That's not related to this pr, is it?

Not really, no. Could be done in a follow-up I suppose...

[skjnldsv]

That's not related to this pr, is it?

Not really, no. Could be done in a follow-up I suppose... image

Ah! But it's also kinda related to the feature, sorry I misunderstood :) I'll see that after the weekend :see_no_evil:

[szaimen]

@skjnldsv sorry for asking but is this still needed? If yes, would you mind rebasing and resolving conflicts? Otherwise I could try if you want :)

[skjnldsv]

@skjnldsv sorry for asking but is this still needed? If yes, would you mind rebasing and resolving conflicts? Otherwise I could try if you want :)

Feel free to dive at it :)

[szaimen]

@skjnldsv sorry for asking but is this still needed? If yes, would you mind rebasing and resolving conflicts? Otherwise I could try if you want :)

Feel free to dive at it :)

Rebased and fixed conflicts! :)

[ShGKme]

This PR changes focus-visible styles for me.

I have a dark system theme and a light Nextcloud theme. With this PR, I have

<meta name="color-scheme" content="light dark">

Is light dark an expected value? Why dark if I have the light theme?

With light - outline is the same as it was before this PR: