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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_NAMESPACE_RULE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_NAMESPACE_RULE_H_
#include "third_party/blink/renderer/core/css/css_rule.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class StyleRuleNamespace;
class CSSNamespaceRule final : public CSSRule {
DEFINE_WRAPPERTYPEINFO();
public:
CSSNamespaceRule(StyleRuleNamespace*, CSSStyleSheet*);
~CSSNamespaceRule() override;
String cssText() const override;
void Reattach(StyleRuleBase*) override {}
AtomicString namespaceURI() const;
AtomicString prefix() const;
void Trace(Visitor*) const override;
private:
CSSRule::Type GetType() const override { return kNamespaceRule; }
Member<StyleRuleNamespace> namespace_rule_;
};
template <>
struct DowncastTraits<CSSNamespaceRule> {
static bool AllowFrom(const CSSRule& rule) {
return rule.GetType() == CSSRule::kNamespaceRule;
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_NAMESPACE_RULE_H_
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