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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_CSSOM_CSS_DECLARATION_DATA_H_
#define COBALT_CSSOM_CSS_DECLARATION_DATA_H_
#include "base/memory/ref_counted.h"
#include "cobalt/cssom/property_definitions.h"
#include "cobalt/cssom/property_value.h"
namespace cobalt {
namespace cssom {
// CSSDeclarationData which has PropertyValue type properties only used
// internally and it is not exposed to JavaScript. It derives from
// RefCountedThreadSafe instead of RefCounted so that it can be passed forward
// to another thread for animating before rendering a scene.
class CSSDeclarationData
: public base::RefCountedThreadSafe<CSSDeclarationData> {
public:
virtual bool IsSupportedPropertyKey(PropertyKey key) const = 0;
virtual scoped_refptr<PropertyValue> GetPropertyValue(
PropertyKey key) const = 0;
virtual void ClearPropertyValueAndImportance(PropertyKey key) = 0;
virtual void SetPropertyValueAndImportance(
PropertyKey key, const scoped_refptr<PropertyValue>& property_value,
bool important) = 0;
protected:
virtual ~CSSDeclarationData() {}
private:
friend class base::RefCountedThreadSafe<CSSDeclarationData>;
};
} // namespace cssom
} // namespace cobalt
#endif // COBALT_CSSOM_CSS_DECLARATION_DATA_H_