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/*
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/Iterator.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/Forward.h>
namespace Web::CSS {
// https://www.w3.org/TR/cssom/#the-cssrulelist-interface
class CSSRuleList
: public RefCounted<CSSRuleList>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::CSSRuleListWrapper;
static NonnullRefPtr<CSSRuleList> create(NonnullRefPtrVector<CSSRule>&& rules)
{
return adopt_ref(*new CSSRuleList(move(rules)));
}
~CSSRuleList() = default;
RefPtr<CSSRule> item(size_t index) const
{
if (index >= length())
return nullptr;
return m_rules[index];
}
size_t length() const { return m_rules.size(); }
using ConstIterator = AK::SimpleIterator<AK::NonnullPtrVector<NonnullRefPtr<CSSRule>> const, CSSRule const>;
using Iterator = AK::SimpleIterator<AK::NonnullPtrVector<NonnullRefPtr<CSSRule>>, CSSRule>;
ConstIterator const begin() const { return m_rules.begin(); }
Iterator begin() { return m_rules.begin(); }
ConstIterator const end() const { return m_rules.end(); }
Iterator end() { return m_rules.end(); }
bool is_supported_property_index(u32 index) const;
DOM::ExceptionOr<void> remove_a_css_rule(u32 index);
DOM::ExceptionOr<unsigned> insert_a_css_rule(Variant<StringView, NonnullRefPtr<CSSRule>>, u32 index);
void for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const;
// Returns whether the match state of any media queries changed after evaluation.
bool evaluate_media_queries(HTML::Window const&);
private:
explicit CSSRuleList(NonnullRefPtrVector<CSSRule>&&);
NonnullRefPtrVector<CSSRule> m_rules;
};
}
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