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lightning-sunbird  0.9+nobinonly
nsComponentList.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code, released
00016  * March 31, 1998.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 1998
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Samir Gehani <sgehani@netscape.com>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either of the GNU General Public License Version 2 or later (the "GPL"),
00028  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
00030  * of those above. If you wish to allow use of your version of this file only
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00035  * the provisions above, a recipient may use your version of this file under
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00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef _NS_COMPONENTLIST_H_
00041 #define _NS_COMPONENTLIST_H_
00042 
00043 #include "XIErrors.h"
00044 
00045 class nsComponent;
00046 
00047 class nsComponentList
00048 {
00049 public:
00050     nsComponentList();
00051     ~nsComponentList();
00052 
00061     nsComponent *   GetHead();
00062 
00072     nsComponent *   GetNext(); 
00073 
00081     nsComponent *   GetTail();
00082     
00090     int             GetLength();
00091 
00099     int             GetLengthVisible();
00100 
00108     int             GetLengthSelected();
00109 
00118     int             AddComponent(nsComponent *aComponent);
00119 
00129     int             RemoveComponent(nsComponent *aComponent);
00130 
00140     nsComponent     *GetCompByIndex(int aIndex);
00141 
00151     nsComponent     *GetCompByArchive(char *aArchive);
00152 
00162     nsComponent     *GetCompByShortDesc(char *aShortDesc);
00163 
00172     nsComponent     *GetFirstVisible();
00173 
00174 private:
00175     typedef struct _nsComponentItem
00176     {
00177        nsComponent             *mComp;
00178        struct _nsComponentItem *mNext;
00179     } nsComponentItem;
00180 
00181     nsComponentItem *mHeadItem; 
00182     nsComponentItem *mTailItem;
00183     nsComponentItem *mNextItem;
00184     int             mLength;
00185 };
00186 
00187 #endif /* _NS_COMPONENTLIST_H_ */