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lightning-sunbird  0.9+nobinonly
nsMsgThread.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
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00014  *
00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1999
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef _nsMsgThread_H
00039 #define _nsMsgThread_H
00040 
00041 #include "nsIMsgThread.h"
00042 #include "nsString.h"
00043 #include "MailNewsTypes.h"
00044 #include "mdb.h"
00045 
00046 class nsIMdbTable;
00047 class nsIMsgDBHdr;
00048 class nsMsgDatabase;
00049 
00050 class nsMsgThread : public nsIMsgThread {
00051 public:
00052   nsMsgThread();
00053   nsMsgThread(nsMsgDatabase *db, nsIMdbTable *table);
00054   virtual ~nsMsgThread();
00055   
00056   friend class nsMsgThreadEnumerator;
00057   
00058   NS_DECL_ISUPPORTS
00059     NS_DECL_NSIMSGTHREAD
00060     
00061     // non-interface methods
00062     nsIMdbTable             *GetMDBTable() {return m_mdbTable;}
00063   nsIMdbRow          *GetMetaRow() {return m_metaRow;}
00064   nsMsgDatabase      *m_mdbDB ;
00065 
00066 protected:
00067 
00068   void                  Init();
00069   virtual nsresult      InitCachedValues();
00070   nsresult              ChangeChildCount(PRInt32 delta);
00071   nsresult              ChangeUnreadChildCount(PRInt32 delta);
00072   nsresult              RemoveChild(nsMsgKey msgKey);
00073   nsresult              SetThreadRootKey(nsMsgKey threadRootKey);
00074   nsresult              GetChildHdrForKey(nsMsgKey desiredKey, 
00075     nsIMsgDBHdr **result, PRInt32 *resultIndex); 
00076   nsresult              RerootThread(nsIMsgDBHdr *newParentOfOldRoot, nsIMsgDBHdr *oldRoot, nsIDBChangeAnnouncer *announcer);
00077   nsresult              ReparentChildrenOf(nsMsgKey oldParent, nsMsgKey newParent, nsIDBChangeAnnouncer *announcer);
00078   
00079   nsresult              ReparentNonReferenceChildrenOf(nsIMsgDBHdr *topLevelHdr, nsMsgKey newParentKey,
00080     nsIDBChangeAnnouncer *announcer);
00081   nsresult              ReparentMsgsWithInvalidParent(PRUint32 numChildren, nsMsgKey threadParentKey);
00082   
00083   nsMsgKey              m_threadKey; 
00084   PRUint32              m_numChildren;           
00085   PRUint32              m_numUnreadChildren;     
00086   PRUint32              m_flags;
00087   nsIMdbTable           *m_mdbTable;
00088   nsIMdbRow             *m_metaRow;
00089   PRBool                m_cachedValuesInitialized;
00090   nsMsgKey              m_threadRootKey;
00091   PRUint32              m_newestMsgDate;
00092 };
00093 
00094 #endif
00095