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// Copyright 2016 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_CSSOM_CSS_STYLE_VARIABLE_REFERENCE_VALUE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSSOM_CSS_STYLE_VARIABLE_REFERENCE_VALUE_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/cssom/css_unparsed_value.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
namespace blink {
class ExceptionState;
// CSSStyleVariableReferenceValue represents a CSS var() value for CSS Typed OM.
// The corresponding idl file is CSSVariableReferenceValue.idl.
class CORE_EXPORT CSSStyleVariableReferenceValue final
: public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static CSSStyleVariableReferenceValue* Create(const String& variable,
ExceptionState&);
static CSSStyleVariableReferenceValue* Create(const String& variable,
CSSUnparsedValue* fallback,
ExceptionState&);
static CSSStyleVariableReferenceValue* Create(
const String& variable,
CSSUnparsedValue* fallback = nullptr);
CSSStyleVariableReferenceValue(const String& variable,
CSSUnparsedValue* fallback)
: variable_(variable), fallback_(fallback) {}
const String& variable() const { return variable_; }
void setVariable(const String&, ExceptionState&);
CSSUnparsedValue* fallback() { return fallback_.Get(); }
const CSSUnparsedValue* fallback() const { return fallback_.Get(); }
void Trace(Visitor* visitor) const override {
visitor->Trace(fallback_);
ScriptWrappable::Trace(visitor);
}
protected:
String variable_;
Member<CSSUnparsedValue> fallback_;
private:
DISALLOW_COPY_AND_ASSIGN(CSSStyleVariableReferenceValue);
};
} // namespace blink
#endif // CSSStyleVariableReference_h
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