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LibWeb: Implement @supports rule :^)

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The main thing missing is that we don't serialize the supports clause,
but for actually using a `@supports (something: cool) {}` rule in CSS,
it works!
This commit is contained in:
Sam Atkins 2021-10-08 17:48:14 +01:00 • committed by Andreas Kling
parent 439d978ea5
commit 57a25139a5
9 changed files with 129 additions and 0 deletions
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34
Userland/Libraries/LibWeb/CSS/CSSSupportsRule.cpp Normal file
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/*
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/CSSSupportsRule.h>
#include <LibWeb/CSS/Parser/Parser.h>
namespace Web::CSS {
CSSSupportsRule::CSSSupportsRule(NonnullRefPtr<Supports>&& supports, NonnullRefPtrVector<CSSRule>&& rules)
: CSSConditionRule(move(rules))
, m_supports(move(supports))
{
}
CSSSupportsRule::~CSSSupportsRule()
{
}
String CSSSupportsRule::condition_text() const
{
// FIXME: Serializing supports rules!
return "<supports-condition>";
}
void CSSSupportsRule::set_condition_text(String text)
{
if (auto new_supports = parse_css_supports({}, text))
m_supports = new_supports.release_nonnull();
}
}