pjs/mailnews/db/msgdb/public/nsDBFolderInfo.h

156 строки
6.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* This class encapsulates the global information about a folder stored in the
summary file.
*/
#ifndef _nsDBFolderInfo_H
#define _nsDBFolderInfo_H
#include "nsString.h"
#include "MailNewsTypes.h"
#include "mdb.h"
#include "nsMsgKeyArray.h"
#include "nsIDBFolderInfo.h"
#include <time.h>
class nsMsgDatabase;
// again, this could inherit from nsISupports, but I don't see the need as of yet.
// I'm not sure it needs to be ref-counted (but I think it does).
// I think these getters and setters really need to go through mdb and not rely on the object
// caching the values. If this somehow turns out to be prohibitively expensive, we can invent
// some sort of dirty mechanism, but I think it turns out that these values will be cached by
// the MSG_FolderInfo's anyway.
class nsDBFolderInfo : public nsIDBFolderInfo
{
public:
friend class nsMsgDatabase;
nsDBFolderInfo(nsMsgDatabase *mdb);
virtual ~nsDBFolderInfo();
NS_DECL_ISUPPORTS
// interface methods.
NS_DECL_NSIDBFOLDERINFO
// create the appropriate table and row in a new db.
nsresult AddToNewMDB();
// accessor methods.
PRBool TestFlag(PRInt32 flags);
PRInt16 GetIMAPHierarchySeparator() ;
void SetIMAPHierarchySeparator(PRInt16 hierarchySeparator) ;
void ChangeImapTotalPendingMessages(PRInt32 delta);
void ChangeImapUnreadPendingMessages(PRInt32 delta) ;
nsresult InitFromExistingDB();
// get and set arbitrary property, aka row cell value.
nsresult SetPropertyWithToken(mdb_token aProperty, nsString *propertyStr);
nsresult SetUint32PropertyWithToken(mdb_token aProperty, PRUint32 propertyValue);
nsresult SetInt32PropertyWithToken(mdb_token aProperty, PRInt32 propertyValue);
nsresult GetPropertyWithToken(mdb_token aProperty, nsString *resultProperty);
nsresult GetUint32PropertyWithToken(mdb_token aProperty, PRUint32 &propertyValue, PRUint32 defaultValue = 0);
nsresult GetInt32PropertyWithToken(mdb_token aProperty, PRInt32 &propertyValue, PRInt32 defaultValue = 0);
nsresult GetConstCharPtrCharacterSet(const char**result);
nsMsgKeyArray m_lateredKeys; // list of latered messages
protected:
// initialize from appropriate table and row in existing db.
nsresult InitMDBInfo();
nsresult LoadMemberVariables();
void ReleaseExternalReferences(); // let go of any references to other objects.
PRInt32 m_folderSize;
PRInt32 m_expungedBytes; // sum of size of deleted messages in folder
PRUint32 m_folderDate;
nsMsgKey m_highWaterMessageKey; // largest news article number or imap uid whose header we've seen
// m_numNewMessages and m_numMessages can never be negative. 0 means 'no msgs'.
PRInt32 m_numNewMessages;
PRInt32 m_numMessages; // includes expunged and ignored messages
PRInt32 m_flags; // folder specific flags. This holds things like re-use thread pane,
// configured for off-line use, use default retrieval, purge article/header options
PRUint16 m_version; // for upgrading...
PRInt16 m_IMAPHierarchySeparator; // imap path separator
// mail only (for now)
// IMAP only
PRInt32 m_ImapUidValidity;
PRInt32 m_totalPendingMessages;
PRInt32 m_unreadPendingMessages;
// news only (for now)
nsMsgKey m_expiredMark; // Highest invalid article number in group - for expiring
// the db folder info will have to know what db and row it belongs to, since it is really
// just a wrapper around the singleton folder info row in the mdb.
nsMsgDatabase *m_mdb;
nsIMdbTable *m_mdbTable; // singleton table in db
nsIMdbRow *m_mdbRow; // singleton row in table;
nsCString m_charSet;
PRBool m_charSetOverride;
PRBool m_mdbTokensInitialized;
mdb_token m_rowScopeToken;
mdb_token m_tableKindToken;
// tokens for the pre-set columns - we cache these for speed, which may be silly
mdb_token m_mailboxNameColumnToken;
mdb_token m_numMessagesColumnToken;
mdb_token m_numNewMessagesColumnToken;
mdb_token m_flagsColumnToken;
mdb_token m_folderSizeColumnToken;
mdb_token m_expungedBytesColumnToken;
mdb_token m_folderDateColumnToken;
mdb_token m_highWaterMessageKeyColumnToken;
mdb_token m_imapUidValidityColumnToken;
mdb_token m_totalPendingMessagesColumnToken;
mdb_token m_unreadPendingMessagesColumnToken;
mdb_token m_expiredMarkColumnToken;
mdb_token m_versionColumnToken;
};
#endif