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/*
* 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 {
CSSSupportsRule* CSSSupportsRule::create(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)
{
return realm.heap().allocate<CSSSupportsRule>(realm, realm, move(supports), rules).release_allocated_value_but_fixme_should_propagate_errors();
}
CSSSupportsRule::CSSSupportsRule(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)
: CSSConditionRule(realm, rules)
, m_supports(move(supports))
{
}
JS::ThrowCompletionOr<void> CSSSupportsRule::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::CSSSupportsRulePrototype>(realm, "CSSSupportsRule"));
return {};
}
DeprecatedString CSSSupportsRule::condition_text() const
{
return m_supports->to_string().release_value_but_fixme_should_propagate_errors().to_deprecated_string();
}
void CSSSupportsRule::set_condition_text(DeprecatedString text)
{
if (auto new_supports = parse_css_supports({}, text))
m_supports = new_supports.release_nonnull();
}
// https://www.w3.org/TR/cssom-1/#serialize-a-css-rule
DeprecatedString 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 builder.to_deprecated_string();
}
}
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