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 * The Original Code is mozilla.org code.
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#ifndef nsNodeInfoManager_h___
#define nsNodeInfoManager_h___

#include "nsINodeInfo.h"
#include "nsCOMPtr.h"
#include "plhash.h"

class nsNodeInfo;
class nsIPrincipal;
class nsIURI;


class nsNodeInfoManager : public nsINodeInfoManager
{
public:
  NS_DECL_ISUPPORTS

  // nsINodeInfoManager
  virtual nsresult Init(nsIDocument *aDocument);
  virtual void DropDocumentReference();
  virtual nsresult GetNodeInfo(nsIAtom *aName, nsIAtom *aPrefix,
                               PRInt32 aNamespaceID, nsINodeInfo** aNodeInfo);
  virtual nsresult GetNodeInfo(const nsAString& aName, nsIAtom *aPrefix,
                               PRInt32 aNamespaceID, nsINodeInfo** aNodeInfo);
  virtual nsresult GetNodeInfo(const nsAString& aQualifiedName,
                               const nsAString& aNamespaceURI,
                               nsINodeInfo** aNodeInfo);
  virtual nsresult GetNodeInfo(const nsAString& aName, nsIAtom *aPrefix,
                               const nsAString& aNamespaceURI,
                               nsINodeInfo** aNodeInfo);

  virtual nsresult GetDocumentPrincipal(nsIPrincipal** aPrincipal);
  virtual nsresult SetDocumentPrincipal(nsIPrincipal* aPrincipal);

  // nsNodeInfoManager
  nsNodeInfoManager();
  virtual ~nsNodeInfoManager();

  void RemoveNodeInfo(nsNodeInfo *aNodeInfo);

private:
  static PRIntn PR_CALLBACK NodeInfoInnerKeyCompare(const void *key1,
                                                    const void *key2);
  static PLHashNumber PR_CALLBACK GetNodeInfoInnerHashValue(const void *key);

  PLHashTable *mNodeInfoHash;
  nsCOMPtr<nsIPrincipal> mPrincipal;

  static PRUint32 gNodeManagerCount;
};

#endif /* nsNodeInfoManager_h___ */