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 1.1 (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 Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#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"
#include "nsIUrlListener.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 nsIUrlListener
{
public:
nsMsgDBFolder(void);
virtual ~nsMsgDBFolder(void);
NS_DECL_NSIDBCHANGELISTENER
NS_IMETHOD StartFolderLoading(void);
NS_IMETHOD EndFolderLoading(void);
NS_IMETHOD GetThreads(nsISimpleEnumerator** threadEnumerator);
NS_IMETHOD GetThreadForMessage(nsIMessage *message, nsIMsgThread **thread);
NS_IMETHOD HasMessage(nsIMessage *message, PRBool *hasMessage);
NS_IMETHOD GetCharset(PRUnichar * *aCharset);
NS_IMETHOD SetCharset(const PRUnichar * aCharset);
NS_IMETHOD GetMsgDatabase(nsIMsgDatabase** aMsgDatabase);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIURLLISTENER
NS_IMETHOD WriteToFolderCache(nsIMsgFolderCache *folderCache);
NS_IMETHOD WriteToFolderCacheElem(nsIMsgFolderCacheElement *element);
NS_IMETHOD ManyHeadersToDownload(PRBool *_retval);
NS_IMETHOD MarkAllMessagesRead(void);
NS_IMETHOD Shutdown(PRBool shutdownChildren);
protected:
virtual nsresult ReadDBFolderInfo(PRBool force);
virtual nsresult GetDatabase() = 0;
virtual nsresult SendFlagNotifications(nsISupports *item, PRUint32 oldFlags, PRUint32 newFlags);
nsresult ReadFromFolderCache(nsIMsgFolderCacheElement *element);
nsresult OnKeyAddedOrDeleted(nsMsgKey aKeyChanged, nsMsgKey aParentKey , PRInt32 aFlags,
nsIDBChangeListener * aInstigator, PRBool added, PRBool doFlat, PRBool doThread);
protected:
nsCOMPtr<nsIMsgDatabase> mDatabase;
nsString mCharset;
PRBool mAddListener;
};
#endif