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/*
* Copyright (c) 2019-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/NonnullRefPtrVector.h>
#include <AK/TypeCasts.h>
#include <LibWeb/CSS/CSSImportRule.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/StyleSheet.h>
#include <LibWeb/Loader/Resource.h>
namespace Web::CSS {
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;
virtual String type() const override { return "text/css"; }
const NonnullRefPtrVector<CSSRule>& rules() const { return m_rules; }
NonnullRefPtrVector<CSSRule>& rules() { return m_rules; }
template<typename Callback>
void for_each_effective_style_rule(Callback callback) const
{
for (auto& rule : m_rules)
if (rule.type() == CSSRule::Type::Style) {
callback(downcast<CSSStyleRule>(rule));
} else if (rule.type() == CSSRule::Type::Import) {
const auto& import_rule = downcast<CSSImportRule>(rule);
if (import_rule.has_import_result())
import_rule.loaded_style_sheet()->for_each_effective_style_rule(callback);
}
}
template<typename Callback>
bool for_first_not_loaded_import_rule(Callback callback)
{
for (auto& rule : m_rules)
if (rule.type() == CSSRule::Type::Import) {
auto& import_rule = downcast<CSSImportRule>(rule);
if (!import_rule.has_import_result()) {
callback(import_rule);
return true;
}
if (import_rule.loaded_style_sheet()->for_first_not_loaded_import_rule(callback)) {
return true;
}
}
return false;
}
private:
explicit CSSStyleSheet(NonnullRefPtrVector<CSSRule>);
NonnullRefPtrVector<CSSRule> m_rules;
};
}
namespace Web::Bindings {
CSSStyleSheetWrapper* wrap(JS::GlobalObject&, CSS::CSSStyleSheet&);
}
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