sky/engine/core/dom/MutationRecord.h

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * in the documentation and/or other materials provided with the
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#ifndef SKY_ENGINE_CORE_DOM_MUTATIONRECORD_H_
#define SKY_ENGINE_CORE_DOM_MUTATIONRECORD_H_

#include "sky/engine/tonic/dart_wrappable.h"
#include "sky/engine/platform/heap/Handle.h"
#include "sky/engine/wtf/PassRefPtr.h"
#include "sky/engine/wtf/RefCounted.h"
#include "sky/engine/wtf/text/WTFString.h"

namespace blink {

class Node;
class QualifiedName;
template <typename NodeType> class StaticNodeTypeList;
typedef StaticNodeTypeList<Node> StaticNodeList;

class MutationRecord : public RefCounted<MutationRecord>, public DartWrappable {
    DEFINE_WRAPPERTYPEINFO();
public:
    static PassRefPtr<MutationRecord> createChildList(PassRefPtr<Node> target, PassRefPtr<StaticNodeList> added, PassRefPtr<StaticNodeList> removed, PassRefPtr<Node> previousSibling, PassRefPtr<Node> nextSibling);
    static PassRefPtr<MutationRecord> createAttributes(PassRefPtr<Node> target, const QualifiedName&, const AtomicString& oldValue);
    static PassRefPtr<MutationRecord> createCharacterData(PassRefPtr<Node> target, const String& oldValue);
    static PassRefPtr<MutationRecord> createWithNullOldValue(PassRefPtr<MutationRecord>);

    MutationRecord()
    {
    }

    virtual ~MutationRecord();

    virtual const AtomicString& type() = 0;
    virtual Node* target() = 0;

    virtual StaticNodeList* addedNodes() = 0;
    virtual StaticNodeList* removedNodes() = 0;
    virtual Node* previousSibling() { return 0; }
    virtual Node* nextSibling() { return 0; }

    virtual const AtomicString& attributeName() { return nullAtom; }

    virtual String oldValue() { return String(); }

};

} // namespace blink

#endif  // SKY_ENGINE_CORE_DOM_MUTATIONRECORD_H_