/*
 * DO NOT EDIT.  THIS FILE IS GENERATED FROM nsICollection.idl
 */

#ifndef __gen_nsICollection_h__
#define __gen_nsICollection_h__


#ifndef __gen_nsISerializable_h__
#include "nsISerializable.h"
#endif

#ifndef __gen_nsIEnumerator_h__
#include "nsIEnumerator.h"
#endif

/* For IDL files that don't want to include root IDL files. */
#ifndef NS_NO_VTABLE
#define NS_NO_VTABLE
#endif

/* starting interface:    nsICollection */
#define NS_ICOLLECTION_IID_STR "83b6019c-cbc4-11d2-8cca-0060b0fc14a3"

#define NS_ICOLLECTION_IID \
  {0x83b6019c, 0xcbc4, 0x11d2, \
    { 0x8c, 0xca, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3 }}

class NS_NO_VTABLE nsICollection : public nsISerializable {
 public: 

  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOLLECTION_IID)

  /* PRUint32 Count (); */
  NS_IMETHOD Count(PRUint32 *_retval) = 0;

  /* nsISupports GetElementAt (in PRUint32 index); */
  NS_IMETHOD GetElementAt(PRUint32 index, nsISupports **_retval) = 0;

  /* void QueryElementAt (in PRUint32 index, in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
  NS_IMETHOD QueryElementAt(PRUint32 index, const nsIID & uuid, void * *result) = 0;

  /* void SetElementAt (in PRUint32 index, in nsISupports item); */
  NS_IMETHOD SetElementAt(PRUint32 index, nsISupports *item) = 0;

  /* void AppendElement (in nsISupports item); */
  NS_IMETHOD AppendElement(nsISupports *item) = 0;

  /* void RemoveElement (in nsISupports item); */
  NS_IMETHOD RemoveElement(nsISupports *item) = 0;

  /* nsIEnumerator Enumerate (); */
  NS_IMETHOD Enumerate(nsIEnumerator **_retval) = 0;

  /* void Clear (); */
  NS_IMETHOD Clear(void) = 0;

};

/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_NSICOLLECTION \
  NS_IMETHOD Count(PRUint32 *_retval); \
  NS_IMETHOD GetElementAt(PRUint32 index, nsISupports **_retval); \
  NS_IMETHOD QueryElementAt(PRUint32 index, const nsIID & uuid, void * *result); \
  NS_IMETHOD SetElementAt(PRUint32 index, nsISupports *item); \
  NS_IMETHOD AppendElement(nsISupports *item); \
  NS_IMETHOD RemoveElement(nsISupports *item); \
  NS_IMETHOD Enumerate(nsIEnumerator **_retval); \
  NS_IMETHOD Clear(void); 

/* Use this macro to declare functions that forward the behavior of this interface to another object. */
#define NS_FORWARD_NSICOLLECTION(_to) \
  NS_IMETHOD Count(PRUint32 *_retval) { return _to Count(_retval); } \
  NS_IMETHOD GetElementAt(PRUint32 index, nsISupports **_retval) { return _to GetElementAt(index, _retval); } \
  NS_IMETHOD QueryElementAt(PRUint32 index, const nsIID & uuid, void * *result) { return _to QueryElementAt(index, uuid, result); } \
  NS_IMETHOD SetElementAt(PRUint32 index, nsISupports *item) { return _to SetElementAt(index, item); } \
  NS_IMETHOD AppendElement(nsISupports *item) { return _to AppendElement(item); } \
  NS_IMETHOD RemoveElement(nsISupports *item) { return _to RemoveElement(item); } \
  NS_IMETHOD Enumerate(nsIEnumerator **_retval) { return _to Enumerate(_retval); } \
  NS_IMETHOD Clear(void) { return _to Clear(); } 

/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
#define NS_FORWARD_SAFE_NSICOLLECTION(_to) \
  NS_IMETHOD Count(PRUint32 *_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->Count(_retval); } \
  NS_IMETHOD GetElementAt(PRUint32 index, nsISupports **_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetElementAt(index, _retval); } \
  NS_IMETHOD QueryElementAt(PRUint32 index, const nsIID & uuid, void * *result) { return !_to ? NS_ERROR_NULL_POINTER : _to->QueryElementAt(index, uuid, result); } \
  NS_IMETHOD SetElementAt(PRUint32 index, nsISupports *item) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetElementAt(index, item); } \
  NS_IMETHOD AppendElement(nsISupports *item) { return !_to ? NS_ERROR_NULL_POINTER : _to->AppendElement(item); } \
  NS_IMETHOD RemoveElement(nsISupports *item) { return !_to ? NS_ERROR_NULL_POINTER : _to->RemoveElement(item); } \
  NS_IMETHOD Enumerate(nsIEnumerator **_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->Enumerate(_retval); } \
  NS_IMETHOD Clear(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->Clear(); } 

#if 0
/* Use the code below as a template for the implementation class for this interface. */

/* Header file */
class nsCollection : public nsICollection
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSICOLLECTION

  nsCollection();
  virtual ~nsCollection();
  /* additional members */
};

/* Implementation file */
NS_IMPL_ISUPPORTS1(nsCollection, nsICollection)

nsCollection::nsCollection()
{
  NS_INIT_ISUPPORTS();
  /* member initializers and constructor code */
}

nsCollection::~nsCollection()
{
  /* destructor code */
}

/* PRUint32 Count (); */
NS_IMETHODIMP nsCollection::Count(PRUint32 *_retval)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* nsISupports GetElementAt (in PRUint32 index); */
NS_IMETHODIMP nsCollection::GetElementAt(PRUint32 index, nsISupports **_retval)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void QueryElementAt (in PRUint32 index, in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
NS_IMETHODIMP nsCollection::QueryElementAt(PRUint32 index, const nsIID & uuid, void * *result)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void SetElementAt (in PRUint32 index, in nsISupports item); */
NS_IMETHODIMP nsCollection::SetElementAt(PRUint32 index, nsISupports *item)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void AppendElement (in nsISupports item); */
NS_IMETHODIMP nsCollection::AppendElement(nsISupports *item)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void RemoveElement (in nsISupports item); */
NS_IMETHODIMP nsCollection::RemoveElement(nsISupports *item)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* nsIEnumerator Enumerate (); */
NS_IMETHODIMP nsCollection::Enumerate(nsIEnumerator **_retval)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* void Clear (); */
NS_IMETHODIMP nsCollection::Clear()
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* End of implementation class template. */
#endif

#ifndef nsCOMPtr_h__
#include "nsCOMPtr.h"
#endif
class NS_EXPORT nsQueryElementAt : public nsCOMPtr_helper
  {
    public:
      nsQueryElementAt( nsICollection* aCollection, PRUint32 aIndex, nsresult* aErrorPtr )
          : mCollection(aCollection),
            mIndex(aIndex),
            mErrorPtr(aErrorPtr)
        {
          // nothing else to do here
        }
      virtual nsresult operator()( const nsIID& aIID, void** ) const;
    private:
      nsICollection*  mCollection;
      PRUint32        mIndex;
      nsresult*       mErrorPtr;
  };
inline
const nsQueryElementAt
do_QueryElementAt( nsICollection* aCollection, PRUint32 aIndex, nsresult* aErrorPtr = 0 )
  {
    return nsQueryElementAt(aCollection, aIndex, aErrorPtr);
  }

#endif /* __gen_nsICollection_h__ */