Source/bindings/v8/RetainedDOMInfo.h

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * 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
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#ifndef RetainedDOMInfo_h
#define RetainedDOMInfo_h

#include "bindings/v8/RetainedObjectInfo.h"

namespace WebCore {

class Node;

// Implements v8::RetainedObjectInfo.
class RetainedDOMInfo : public RetainedObjectInfo {
public:
    explicit RetainedDOMInfo(Node* root);
    virtual ~RetainedDOMInfo();
    virtual void Dispose();
    virtual bool IsEquivalent(v8::RetainedObjectInfo* other);
    virtual intptr_t GetHash();
    virtual const char* GetGroupLabel();
    virtual const char* GetLabel();
    virtual intptr_t GetElementCount();
    virtual intptr_t GetEquivalenceClass();

private:
    // V8 guarantees to keep RetainedObjectInfos alive only during a GC or heap snapshotting round, when renderer
    // doesn't get control. This allows us to use raw pointers.
    Node* m_root;
};

} // namespace WebCore

#endif // RetainedDOMInfo_h