pjs/mailnews/base/util/nsMsgDBFolder.h

167 строки
7.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 ***** */
#ifndef nsMsgDBFolder_h__
#define nsMsgDBFolder_h__
#include "msgCore.h"
#include "nsMsgFolder.h"
#include "nsIDBFolderInfo.h"
#include "nsIMsgDatabase.h"
#include "nsCOMPtr.h"
#include "nsIDBChangeListener.h"
#include "nsIUrlListener.h"
#include "nsIMsgHdr.h"
#include "nsIOutputStream.h"
#include "nsITransport.h"
#include "nsIMsgStringService.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 GetCharset(PRUnichar * *aCharset);
NS_IMETHOD SetCharset(const PRUnichar * aCharset);
NS_IMETHOD GetCharsetOverride(PRBool *aCharsetOverride);
NS_IMETHOD SetCharsetOverride(PRBool aCharsetOverride);
NS_IMETHOD GetFirstNewMessage(nsIMsgDBHdr **firstNewMessage);
NS_IMETHOD ClearNewMessages();
NS_IMETHOD GetFlags(PRUint32 *aFlags);
NS_IMETHOD GetExpungedBytes(PRUint32 *count);
NS_IMETHOD GetMsgDatabase(nsIMsgWindow *aMsgWindow,
nsIMsgDatabase** aMsgDatabase);
NS_IMETHOD SetMsgDatabase(nsIMsgDatabase *msgDatabase);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIURLLISTENER
NS_IMETHOD WriteToFolderCache(nsIMsgFolderCache *folderCache, PRBool deep);
NS_IMETHOD WriteToFolderCacheElem(nsIMsgFolderCacheElement *element);
NS_IMETHOD ReadFromFolderCacheElem(nsIMsgFolderCacheElement *element);
NS_IMETHOD ManyHeadersToDownload(PRBool *_retval);
NS_IMETHOD AddMessageDispositionState(nsIMsgDBHdr *aMessage, nsMsgDispositionState aDispositionFlag);
NS_IMETHOD MarkAllMessagesRead(void);
NS_IMETHOD MarkThreadRead(nsIMsgThread *thread);
NS_IMETHOD SetFlag(PRUint32 flag);
NS_IMETHOD Shutdown(PRBool shutdownChildren);
NS_IMETHOD ForceDBClosed();
NS_IMETHOD GetHasNewMessages(PRBool *hasNewMessages);
NS_IMETHOD SetHasNewMessages(PRBool hasNewMessages);
NS_IMETHOD GetGettingNewMessages(PRBool *gettingNewMessages);
NS_IMETHOD SetGettingNewMessages(PRBool gettingNewMessages);
NS_IMETHOD GetSupportsOffline(PRBool *aSupportsOffline);
NS_IMETHOD ShouldStoreMsgOffline(nsMsgKey msgKey, PRBool *result);
NS_IMETHOD GetOfflineFileTransport(nsMsgKey msgKey, PRUint32 *offset, PRUint32 *size, nsITransport **_retval);
NS_IMETHOD HasMsgOffline(nsMsgKey msgKey, PRBool *result);
NS_IMETHOD DownloadMessagesForOffline(nsISupportsArray *messages, nsIMsgWindow *msgWindow);
NS_IMETHOD DownloadAllForOffline(nsIUrlListener *listener, nsIMsgWindow *msgWindow);
NS_IMETHOD GetRetentionSettings(nsIMsgRetentionSettings **settings);
NS_IMETHOD SetRetentionSettings(nsIMsgRetentionSettings *settings);
NS_IMETHOD GetDownloadSettings(nsIMsgDownloadSettings **settings);
NS_IMETHOD SetDownloadSettings(nsIMsgDownloadSettings *settings);
NS_IMETHOD CompactAllOfflineStores(nsIMsgWindow *msgWindow, nsISupportsArray *aOfflineFolderArray);
NS_IMETHOD GetOfflineStoreOutputStream(nsIOutputStream **outputStream);
NS_IMETHOD GetOfflineStoreInputStream(nsIInputStream **outputStream);
NS_IMETHOD IsCommandEnabled(const char *command, PRBool *result);
NS_IMETHOD MatchOrChangeFilterDestination(nsIMsgFolder *oldFolder, PRBool caseInsensitive, PRBool *changed);
protected:
virtual nsresult ReadDBFolderInfo(PRBool force);
virtual nsresult FlushToFolderCache();
virtual nsresult GetDatabase(nsIMsgWindow *aMsgWindow) = 0;
virtual nsresult SendFlagNotifications(nsISupports *item, PRUint32 oldFlags, PRUint32 newFlags);
nsresult CheckWithNewMessagesStatus(PRBool messageAdded);
nsresult OnKeyAddedOrDeleted(nsMsgKey aKeyChanged, nsMsgKey aParentKey , PRInt32 aFlags,
nsIDBChangeListener * aInstigator, PRBool added, PRBool doFlat, PRBool doThread);
nsresult CreateFileSpecForDB(const char *userLeafName, nsFileSpec &baseDir, nsIFileSpec **dbFileSpec);
nsresult GetFolderCacheKey(nsIFileSpec **aFileSpec);
nsresult GetFolderCacheElemFromFileSpec(nsIFileSpec *fileSpec, nsIMsgFolderCacheElement **cacheElement);
nsresult NotifyStoreClosedAllHeaders();
// offline support methods.
nsresult StartNewOfflineMessage();
nsresult WriteStartOfNewLocalMessage();
nsresult EndNewOfflineMessage();
nsresult CompactOfflineStore(nsIMsgWindow *inWindow);
nsresult AutoCompact(nsIMsgWindow *aWindow);
// this is a helper routine that ignores whether MSG_FLAG_OFFLINE is set for the folder
nsresult MsgFitsDownloadCriteria(nsMsgKey msgKey, PRBool *result);
nsresult GetPromptPurgeThreshold(PRBool *aPrompt);
nsresult GetPurgeThreshold(PRInt32 *aThreshold);
protected:
nsCOMPtr<nsIMsgDatabase> mDatabase;
nsString mCharset;
PRBool mCharsetOverride;
PRBool mAddListener;
PRBool mNewMessages;
PRBool mGettingNewMessages;
nsCOMPtr <nsIMsgDBHdr> m_offlineHeader;
PRInt32 m_numOfflineMsgLines;
// this is currently used when we do a save as of an imap or news message..
nsCOMPtr<nsIOutputStream> m_tempMessageStream;
nsCOMPtr <nsIMsgRetentionSettings> m_retentionSettings;
nsCOMPtr <nsIMsgDownloadSettings> m_downloadSettings;
static nsIAtom* mFolderLoadedAtom;
static nsIAtom* mDeleteOrMoveMsgCompletedAtom;
static nsIAtom* mDeleteOrMoveMsgFailedAtom;
static nsrefcnt mInstanceCount;
};
#endif