ladybird/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.h
Andreas Kling e8b85b13e2 LibWeb: Make CSSStyleSheet::m_owner_css_rule a WeakPtr
It's not safe for this to be a raw pointer, as the imported style sheet
can outlive the rule.
2021-12-06 19:22:16 +01:00

64 lines
1.7 KiB
C++

/*
* Copyright (c) 2019-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/NonnullRefPtrVector.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/CSSRuleList.h>
#include <LibWeb/CSS/CSSStyleRule.h>
#include <LibWeb/CSS/StyleSheet.h>
#include <LibWeb/Loader/Resource.h>
namespace Web::CSS {
class CSSImportRule;
class CSSStyleSheet final : public StyleSheet {
public:
using WrapperType = Bindings::CSSStyleSheetWrapper;
static NonnullRefPtr<CSSStyleSheet> create(NonnullRefPtrVector<CSSRule> rules)
{
return adopt_ref(*new CSSStyleSheet(move(rules)));
}
virtual ~CSSStyleSheet() override;
void set_owner_css_rule(CSSRule* rule) { m_owner_css_rule = rule; }
virtual String type() const override { return "text/css"; }
CSSRuleList const& rules() const { return m_rules; }
CSSRuleList& rules() { return m_rules; }
void set_rules(NonnullRefPtr<CSSRuleList> rules) { m_rules = move(rules); }
CSSRuleList* css_rules() { return m_rules; }
CSSRuleList const* css_rules() const { return m_rules; }
DOM::ExceptionOr<unsigned> insert_rule(StringView rule, unsigned index);
DOM::ExceptionOr<void> remove_rule(unsigned index);
DOM::ExceptionOr<void> delete_rule(unsigned index);
void for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const;
void evaluate_media_queries(DOM::Window const&);
private:
explicit CSSStyleSheet(NonnullRefPtrVector<CSSRule>);
NonnullRefPtr<CSSRuleList> m_rules;
WeakPtr<CSSRule> m_owner_css_rule;
};
}
namespace Web::Bindings {
CSSStyleSheetWrapper* wrap(JS::GlobalObject&, CSS::CSSStyleSheet&);
}