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/*
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/Iterator.h>
#include <AK/RefPtr.h>
#include <LibWeb/Bindings/LegacyPlatformObject.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/Forward.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::CSS {
// https://www.w3.org/TR/cssom/#the-cssrulelist-interface
class CSSRuleList : public Bindings::LegacyPlatformObject {
WEB_PLATFORM_OBJECT(CSSRuleList, Bindings::LegacyPlatformObject);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<CSSRuleList>> create(JS::Realm&, JS::MarkedVector<CSSRule*> const&);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<CSSRuleList>> create_empty(JS::Realm&);
~CSSRuleList() = default;
CSSRule const* item(size_t index) const
{
if (index >= length())
return nullptr;
return m_rules[index];
}
CSSRule* item(size_t index)
{
if (index >= length())
return nullptr;
return m_rules[index];
}
size_t length() const { return m_rules.size(); }
auto begin() const { return m_rules.begin(); }
auto begin() { return m_rules.begin(); }
auto end() const { return m_rules.end(); }
auto end() { return m_rules.end(); }
virtual bool is_supported_property_index(u32 index) const override;
virtual WebIDL::ExceptionOr<JS::Value> item_value(size_t index) const override;
WebIDL::ExceptionOr<void> remove_a_css_rule(u32 index);
WebIDL::ExceptionOr<unsigned> insert_a_css_rule(Variant<StringView, 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(JS::Realm&);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
// ^Bindings::LegacyPlatformObject
virtual bool supports_indexed_properties() const override { return true; }
virtual bool supports_named_properties() const override { return false; }
virtual bool has_indexed_property_setter() const override { return false; }
virtual bool has_named_property_setter() const override { return false; }
virtual bool has_named_property_deleter() const override { return false; }
virtual bool has_legacy_override_built_ins_interface_extended_attribute() const override { return false; }
virtual bool has_legacy_unenumerable_named_properties_interface_extended_attribute() const override { return false; }
virtual bool has_global_interface_extended_attribute() const override { return false; }
virtual bool indexed_property_setter_has_identifier() const override { return false; }
virtual bool named_property_setter_has_identifier() const override { return false; }
virtual bool named_property_deleter_has_identifier() const override { return false; }
Vector<JS::NonnullGCPtr<CSSRule>> m_rules;
};
}
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