/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_MUTATION_RECORD_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_MUTATION_RECORD_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/static_node_list.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

class Node;
class QualifiedName;

using StaticNodeList = StaticNodeTypeList<Node>;

class CORE_EXPORT MutationRecord : public ScriptWrappable {
  DEFINE_WRAPPERTYPEINFO();

 public:
  static MutationRecord* CreateChildList(Node* target,
                                         StaticNodeList* added,
                                         StaticNodeList* removed,
                                         Node* previous_sibling,
                                         Node* next_sibling);
  static MutationRecord* CreateAttributes(Node* target,
                                          const QualifiedName&,
                                          const AtomicString& old_value);
  static MutationRecord* CreateCharacterData(Node* target,
                                             const String& old_value);
  static MutationRecord* CreateWithNullOldValue(MutationRecord*);

  MutationRecord() = default;

  ~MutationRecord() override;

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

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

  virtual const AtomicString& attributeName() { return g_null_atom; }
  virtual const AtomicString& attributeNamespace() { return g_null_atom; }

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

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_MUTATION_RECORD_H_