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lightning-sunbird  0.9+nobinonly
nsMsgGroupThread.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * David Bienvenu.
00019  * Portions created by the Initial Developer are Copyright (C) 2004
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   David Bienvenu <bienvenu@nventure.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
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00034  * the provisions above, a recipient may use your version of this file under
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00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "msgCore.h"
00040 #include "nsCOMArray.h"
00041 #include "nsIMsgThread.h"
00042 #include "nsMsgKeyArray.h"
00043 #include "nsIMsgDatabase.h"
00044 #include "nsIMsgHdr.h"
00045 #include "nsMsgDBView.h"
00046 
00047 class nsMsgGroupView;
00048 
00049 class nsMsgGroupThread : public nsIMsgThread
00050 {
00051 public:
00052   friend class nsMsgGroupView;
00053 
00054   nsMsgGroupThread();
00055   nsMsgGroupThread(nsIMsgDatabase *db);
00056   virtual ~nsMsgGroupThread();
00057 
00058   NS_DECL_NSIMSGTHREAD
00059   NS_DECL_ISUPPORTS
00060 
00061 protected:
00062   void      Init();
00063   nsresult  AddChildFromGroupView(nsIMsgDBHdr *child, nsMsgDBView *view);
00064   nsresult  RemoveChild(nsMsgKey msgKey);
00065   nsresult  RerootThread(nsIMsgDBHdr *newParentOfOldRoot, nsIMsgDBHdr *oldRoot, nsIDBChangeAnnouncer *announcer);
00066 
00067   nsresult AddMsgHdrInDateOrder(nsIMsgDBHdr *child, nsMsgDBView *view);
00068   nsresult ReparentNonReferenceChildrenOf(nsIMsgDBHdr *topLevelHdr, nsMsgKey newParentKey,
00069                                                             nsIDBChangeAnnouncer *announcer);
00070 
00071   nsresult ReparentChildrenOf(nsMsgKey oldParent, nsMsgKey newParent, nsIDBChangeAnnouncer *announcer);
00072   nsresult ChangeUnreadChildCount(PRInt32 delta);
00073   nsresult GetChildHdrForKey(nsMsgKey desiredKey, nsIMsgDBHdr **result, PRInt32 *resultIndex);
00074   PRUint32 NumRealChildren();
00075 
00076   nsMsgKey        m_threadKey; 
00077   PRUint32        m_numUnreadChildren;    
00078   PRUint32        m_flags;
00079   nsMsgKey        m_threadRootKey;
00080   PRUint32        m_newestMsgDate;
00081   nsMsgKeyArray   m_keys;
00082   PRBool          m_dummy; // top level msg is a dummy, e.g., grouped by age.
00083   nsCOMPtr <nsIMsgDatabase> m_db; // should we make a weak ref or just a ptr?
00084 };
00085 
00086 class nsMsgXFGroupThread : public nsMsgGroupThread
00087 {
00088 public:
00089   nsMsgXFGroupThread();
00090   virtual ~nsMsgXFGroupThread();
00091 
00092   NS_IMETHOD GetNumChildren(PRUint32 *aNumChildren);
00093   NS_IMETHOD GetChildKeyAt(PRInt32 aIndex, nsMsgKey *aResult);
00094 protected:
00095   nsCOMArray <nsIMsgDBHdr> m_hdrs;
00096 };
00097