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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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