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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace JSC {
class AbstractSlotVisitor;
}
namespace WebCore {
class CharacterData;
class ContainerNode;
class Element;
class Node;
class NodeList;
class QualifiedName;
class MutationRecord : public RefCounted<MutationRecord> {
public:
static Ref<MutationRecord> createChildList(ContainerNode& target, Ref<NodeList>&& added, Ref<NodeList>&& removed, RefPtr<Node>&& previousSibling, RefPtr<Node>&& nextSibling);
static Ref<MutationRecord> createAttributes(Element& target, const QualifiedName&, const AtomString& oldValue);
static Ref<MutationRecord> createCharacterData(CharacterData& target, const String& oldValue);
static Ref<MutationRecord> createWithNullOldValue(MutationRecord&);
virtual ~MutationRecord();
virtual const AtomString& type() = 0;
virtual Node* target() = 0;
virtual NodeList* addedNodes() = 0;
virtual NodeList* removedNodes() = 0;
virtual Node* previousSibling() { return 0; }
virtual Node* nextSibling() { return 0; }
virtual const AtomString& attributeName() { return nullAtom(); }
virtual const AtomString& attributeNamespace() { return nullAtom(); }
virtual String oldValue() { return String(); }
virtual void visitNodesConcurrently(JSC::AbstractSlotVisitor&) const = 0;
};
} // namespace WebCore
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