gecko-dev/mailnews/base/util/nsMsgDBFolder.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsMsgDBFolder_h__
#define nsMsgDBFolder_h__
#include "msgCore.h"
#include "nsMsgFolder.h"
#include "nsIDBFolderInfo.h"
#include "nsIMsgDatabase.h"
#include "nsIMessage.h"
#include "nsCOMPtr.h"
#include "nsIDBChangeListener.h"
class nsIMsgFolderCacheElement;
/*
* nsMsgDBFolder
* class derived from nsMsgFolder for those folders that use an nsIMsgDatabase
*/
class NS_MSG_BASE nsMsgDBFolder: public nsMsgFolder, public nsIDBChangeListener
{
public:
nsMsgDBFolder(void);
virtual ~nsMsgDBFolder(void);
NS_IMETHOD GetThreads(nsIEnumerator** threadEnumerator);
NS_IMETHOD GetThreadForMessage(nsIMessage *message, nsIMsgThread **thread);
NS_IMETHOD HasMessage(nsIMessage *message, PRBool *hasMessage);
NS_IMETHOD GetCharset(PRUnichar * *aCharset);
NS_IMETHOD SetCharset(PRUnichar * aCharset);
NS_IMETHOD GetMsgDatabase(nsIMsgDatabase** aMsgDatabase);
//nsIDBChangeListener
NS_IMETHOD OnKeyChange(nsMsgKey aKeyChanged, PRUint32 aOldFlags, PRUint32 aNewFlags,
nsIDBChangeListener * aInstigator);
NS_IMETHOD OnKeyDeleted(nsMsgKey aKeyChanged, nsMsgKey aParentKey, PRInt32 aFlags,
nsIDBChangeListener * aInstigator);
NS_IMETHOD OnKeyAdded(nsMsgKey aKeyChanged, nsMsgKey aParentKey, PRInt32 aFlags,
nsIDBChangeListener * aInstigator);
NS_IMETHOD OnParentChanged(nsMsgKey aKeyChanged, nsMsgKey oldParent, nsMsgKey newParent,
nsIDBChangeListener * aInstigator);
NS_IMETHOD OnAnnouncerGoingAway(nsIDBChangeAnnouncer * instigator);
NS_DECL_ISUPPORTS_INHERITED
NS_IMETHOD WriteToFolderCache(nsIMsgFolderCache *folderCache);
NS_IMETHOD WriteToFolderCacheElem(nsIMsgFolderCacheElement *element);
NS_IMETHOD MarkAllMessagesRead(void);
protected:
virtual nsresult ReadDBFolderInfo(PRBool force);
virtual nsresult GetDatabase() = 0;
virtual nsresult SendFlagNotifications(nsISupports *item, PRUint32 oldFlags, PRUint32 newFlags);
nsresult ReadFromFolderCache(nsIMsgFolderCacheElement *element);
protected:
nsCOMPtr<nsIMsgDatabase> mDatabase;
nsString mCharset;
};
#endif