ladybird/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.h
Andreas Kling 18c54d8d40 LibJS: Make Cell::initialize() return void
Stop worrying about tiny OOMs.

Work towards #20405
2023-08-08 07:39:11 +02:00

69 lines
2.2 KiB
C++

/*
* Copyright (c) 2019-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <LibWeb/CSS/CSSNamespaceRule.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/CSSRuleList.h>
#include <LibWeb/CSS/CSSStyleRule.h>
#include <LibWeb/CSS/StyleSheet.h>
namespace Web::CSS {
class CSSImportRule;
class CSSStyleSheet final
: public StyleSheet
, public Weakable<CSSStyleSheet> {
WEB_PLATFORM_OBJECT(CSSStyleSheet, StyleSheet);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<CSSStyleSheet>> create(JS::Realm&, CSSRuleList& rules, MediaList& media, Optional<AK::URL> location);
virtual ~CSSStyleSheet() override = default;
void set_owner_css_rule(CSSRule* rule) { m_owner_css_rule = rule; }
virtual DeprecatedString type() const override { return "text/css"; }
CSSRuleList const& rules() const { return *m_rules; }
CSSRuleList& rules() { return *m_rules; }
void set_rules(CSSRuleList& rules) { m_rules = &rules; }
CSSRuleList* css_rules() { return m_rules; }
CSSRuleList const* css_rules() const { return m_rules; }
WebIDL::ExceptionOr<unsigned> insert_rule(StringView rule, unsigned index);
WebIDL::ExceptionOr<void> remove_rule(unsigned index);
WebIDL::ExceptionOr<void> delete_rule(unsigned 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&);
void for_each_effective_keyframes_at_rule(Function<void(CSSKeyframesRule const&)> const& callback) const;
void set_style_sheet_list(Badge<StyleSheetList>, StyleSheetList*);
Optional<StringView> default_namespace() const;
private:
CSSStyleSheet(JS::Realm&, CSSRuleList&, MediaList&, Optional<AK::URL> location);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
void recalculate_namespaces();
JS::GCPtr<CSSRuleList> m_rules;
JS::GCPtr<CSSNamespaceRule> m_default_namespace_rule;
JS::GCPtr<StyleSheetList> m_style_sheet_list;
JS::GCPtr<CSSRule> m_owner_css_rule;
};
}