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// Copyright 2017 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_NUMERIC_VALUE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSSOM_CSS_NUMERIC_VALUE_H_
#include "base/macros.h"
#include "third_party/blink/renderer/bindings/core/v8/double_or_css_numeric_value.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/css_primitive_value.h"
#include "third_party/blink/renderer/core/css/cssom/css_numeric_sum_value.h"
#include "third_party/blink/renderer/core/css/cssom/css_numeric_type.h"
#include "third_party/blink/renderer/core/css/cssom/css_numeric_value_type.h"
#include "third_party/blink/renderer/core/css/cssom/css_style_value.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class CSSUnitValue;
class ExceptionState;
class CSSCalcExpressionNode;
class CSSNumericValue;
class CSSMathSum;
using CSSNumberish = DoubleOrCSSNumericValue;
using CSSNumericValueVector = HeapVector<Member<CSSNumericValue>>;
class CORE_EXPORT CSSNumericValue : public CSSStyleValue {
DEFINE_WRAPPERTYPEINFO();
public:
static CSSNumericValue* parse(const String& css_text, ExceptionState&);
// Blink-internal ways of creating CSSNumericValues.
static CSSNumericValue* FromCSSValue(const CSSPrimitiveValue&);
// https://drafts.css-houdini.org/css-typed-om/#rectify-a-numberish-value
static CSSNumericValue* FromNumberish(const CSSNumberish& value);
// Methods defined in the IDL.
CSSNumericValue* add(const HeapVector<CSSNumberish>&, ExceptionState&);
CSSNumericValue* sub(const HeapVector<CSSNumberish>&, ExceptionState&);
CSSNumericValue* mul(const HeapVector<CSSNumberish>&, ExceptionState&);
CSSNumericValue* div(const HeapVector<CSSNumberish>&, ExceptionState&);
CSSNumericValue* min(const HeapVector<CSSNumberish>&, ExceptionState&);
CSSNumericValue* max(const HeapVector<CSSNumberish>&, ExceptionState&);
bool equals(const HeapVector<CSSNumberish>&);
// Converts between compatible types, as defined in the IDL.
CSSUnitValue* to(const String&, ExceptionState&);
CSSMathSum* toSum(const Vector<String>&, ExceptionState&);
void type(CSSNumericType&) const;
String toString() const final;
// Internal methods.
// Arithmetic
virtual CSSNumericValue* Negate();
virtual CSSNumericValue* Invert();
// Converts between compatible types.
CSSUnitValue* to(CSSPrimitiveValue::UnitType) const;
virtual bool IsUnitValue() const = 0;
virtual base::Optional<CSSNumericSumValue> SumValue() const = 0;
virtual bool Equals(const CSSNumericValue&) const = 0;
const CSSNumericValueType& Type() const { return type_; }
virtual CSSCalcExpressionNode* ToCalcExpressionNode() const = 0;
enum class Nested : bool { kYes, kNo };
enum class ParenLess : bool { kYes, kNo };
virtual void BuildCSSText(Nested, ParenLess, StringBuilder&) const = 0;
protected:
static bool IsValidUnit(CSSPrimitiveValue::UnitType);
static CSSPrimitiveValue::UnitType UnitFromName(const String& name);
CSSNumericValue(const CSSNumericValueType& type) : type_(type) {}
private:
CSSNumericValueType type_;
DISALLOW_COPY_AND_ASSIGN(CSSNumericValue);
};
CSSNumericValueVector CSSNumberishesToNumericValues(
const HeapVector<CSSNumberish>&);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSSOM_CSS_NUMERIC_VALUE_H_
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