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- /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Scott Collins <scc@mozilla.org>: |do_QueryElementAt|
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "nsISerializable.idl"
- #include "nsIEnumerator.idl"
-
- [scriptable, uuid(83b6019c-cbc4-11d2-8cca-0060b0fc14a3)]
- interface nsICollection : nsISerializable
- {
-
- PRUint32 Count();
- nsISupports GetElementAt(in PRUint32 index);
- void QueryElementAt(in PRUint32 index, in nsIIDRef uuid,
- [iid_is(uuid),retval] out nsQIResult result);
- void SetElementAt(in PRUint32 index, in nsISupports item);
- void AppendElement(in nsISupports item);
- void RemoveElement(in nsISupports item);
-
- nsIEnumerator Enumerate();
-
- void Clear();
-
- };
-
- %{C++
-
- #ifndef nsCOMPtr_h__
- #include "nsCOMPtr.h"
- #endif
-
- class NS_COM 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 NS_FASTCALL 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);
- }
-
- %}
-