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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_DECLARED_STYLE_PROPERTY_MAP_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSSOM_DECLARED_STYLE_PROPERTY_MAP_H_
#include "third_party/blink/renderer/core/css/cssom/style_property_map.h"
namespace blink {
class CSSStyleRule;
class StyleRule;
// This class implements declared StylePropertMap in the Typed CSSOM
// API. The specification is here:
// https://drafts.css-houdini.org/css-typed-om/#declared-stylepropertymap-objects
//
// The declared StylePropertyMap retrieves styles specified by a CSS style rule
// and returns them as CSSStyleValues. The IDL for this class is in
// StylePropertyMap.idl. The declared StylePropertyMap for an element is
// accessed via CSSStyleRule.styleMap (see CSSStyleRule.idl)
class CORE_EXPORT DeclaredStylePropertyMap final : public StylePropertyMap {
public:
explicit DeclaredStylePropertyMap(CSSStyleRule* owner_rule);
void Trace(blink::Visitor* visitor) override {
visitor->Trace(owner_rule_);
StylePropertyMap::Trace(visitor);
}
unsigned int size() final;
protected:
const CSSValue* GetProperty(CSSPropertyID) override;
const CSSValue* GetCustomProperty(AtomicString) override;
void ForEachProperty(const IterationCallback&) override;
void SetProperty(CSSPropertyID, const CSSValue&) override;
bool SetShorthandProperty(CSSPropertyID,
const String&,
SecureContextMode) override;
void SetCustomProperty(const AtomicString&, const CSSValue&) override;
void RemoveProperty(CSSPropertyID) override;
void RemoveCustomProperty(const AtomicString&) override;
void RemoveAllProperties() final;
String SerializationForShorthand(const CSSProperty&) final;
private:
StyleRule* GetStyleRule() const;
WeakMember<CSSStyleRule> owner_rule_;
DISALLOW_COPY_AND_ASSIGN(DeclaredStylePropertyMap);
};
} // namespace blink
#endif
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