mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 14:05:15 +00:00
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/Bindings/CSSSupportsRulePrototype.h>
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/CSS/CSSSupportsRule.h>
|
|
#include <LibWeb/CSS/Parser/Parser.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
JS_DEFINE_ALLOCATOR(CSSSupportsRule);
|
|
|
|
JS::NonnullGCPtr<CSSSupportsRule> CSSSupportsRule::create(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)
|
|
{
|
|
return realm.heap().allocate<CSSSupportsRule>(realm, realm, move(supports), rules);
|
|
}
|
|
|
|
CSSSupportsRule::CSSSupportsRule(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)
|
|
: CSSConditionRule(realm, rules)
|
|
, m_supports(move(supports))
|
|
{
|
|
}
|
|
|
|
void CSSSupportsRule::initialize(JS::Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
set_prototype(&Bindings::ensure_web_prototype<Bindings::CSSSupportsRulePrototype>(realm, "CSSSupportsRule"_fly_string));
|
|
}
|
|
|
|
String CSSSupportsRule::condition_text() const
|
|
{
|
|
return m_supports->to_string();
|
|
}
|
|
|
|
void CSSSupportsRule::set_condition_text(String const& text)
|
|
{
|
|
if (auto new_supports = parse_css_supports(Parser::ParsingContext { realm() }, text))
|
|
m_supports = new_supports.release_nonnull();
|
|
}
|
|
|
|
// https://www.w3.org/TR/cssom-1/#serialize-a-css-rule
|
|
String CSSSupportsRule::serialized() const
|
|
{
|
|
// Note: The spec doesn't cover this yet, so I'm roughly following the spec for the @media rule.
|
|
// It should be pretty close!
|
|
|
|
StringBuilder builder;
|
|
|
|
builder.append("@supports "sv);
|
|
builder.append(condition_text());
|
|
builder.append(" {\n"sv);
|
|
for (size_t i = 0; i < css_rules().length(); i++) {
|
|
auto rule = css_rules().item(i);
|
|
if (i != 0)
|
|
builder.append("\n"sv);
|
|
builder.append(" "sv);
|
|
builder.append(rule->css_text());
|
|
}
|
|
builder.append("\n}"sv);
|
|
|
|
return MUST(builder.to_string());
|
|
}
|
|
|
|
}
|