third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.h

// Copyright 2014 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 ComputedStyleCSSValueMapping_h
#define ComputedStyleCSSValueMapping_h

#include "core/CSSPropertyNames.h"
#include "core/css/CSSValue.h"
#include "wtf/Allocator.h"

namespace blink {

class LayoutObject;
class ComputedStyle;
class FilterOperations;
class ShadowData;
class ShadowList;
class StyleColor;
class Node;
class CSSVariableData;
class PropertyRegistry;

class ComputedStyleCSSValueMapping {
    STATIC_ONLY(ComputedStyleCSSValueMapping);
public:
    // FIXME: Resolve computed auto alignment in applyProperty/ComputedStyle and remove this non-const styledNode parameter.
    static const CSSValue* get(CSSPropertyID, const ComputedStyle&, const LayoutObject* = nullptr, Node* styledNode = nullptr, bool allowVisitedStyle = false);
    static const CSSValue* get(const AtomicString customPropertyName, const ComputedStyle&, const PropertyRegistry*);
    static std::unique_ptr<HashMap<AtomicString, RefPtr<CSSVariableData>>> getVariables(const ComputedStyle&);
private:
    static CSSValue* currentColorOrValidColor(const ComputedStyle&, const StyleColor&);
    static CSSValue* valueForShadowData(const ShadowData&, const ComputedStyle&, bool useSpread);
    static CSSValue* valueForShadowList(const ShadowList*, const ComputedStyle&, bool useSpread);
    static CSSValue* valueForFilter(const ComputedStyle&, const FilterOperations&);
    static CSSValue* valueForFont(const ComputedStyle&);
};

} // namespace blink

#endif // ComputedStyleCSSValueMapping_h