gecko-dev/lib/libmsg/msgcmfld.h

160 lines
4.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; 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) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef MSG_COMPRESS_FOLDER_H
#define MSG_COMPRESS_FOLDER_H
#include "prsembst.h"
class MSG_FolderInfoMail;
class DBFolderInfo;
struct ListContext;
class MSG_FolderIterator;
enum CompressFolderState
{
CFStart,
CFParsingSource,
CFDBOpened,
CFCopyingMsgToTemp,
CFGetNextMessage,
CFAbortCompress,
CFFinishedCopyingToTemp,
CFCreateEmptyFolder
};
/*
MSG_CompressState: An abstract class for objects which compress one or more
mailbox files.
*/
class MSG_CompressState
{
public:
static MSG_CompressState *
Create(MSG_Master *master,
MWContext *context,
URL_Struct *url,
const char *mailboxName);
MSG_CompressState(MSG_Master *master,
MWContext *context,
URL_Struct *url);
/*
The message pane calls these three methods in order to achieve
compression.
*/
virtual int BeginCompression(void) = 0;
virtual int CompressSomeMore(void) = 0;
virtual int FinishCompression(void) = 0;
MSG_Master *m_master;
MWContext *m_compressContext;
URL_Struct *m_url;
};
/*
MSG_CompressFolderState: A class which compresses one mailbox file.
*/
class MSG_CompressFolderState : public MSG_CompressState,
public ParseMailboxState
{
public:
MSG_CompressFolderState(MSG_Master *master,
MWContext *context,
URL_Struct *url,
MSG_FolderInfoMail *mailFolderInfo,
int32 progressBytesDoneOffset,
int32 progressBytesTotal);
virtual ~MSG_CompressFolderState();
virtual int BeginCompression(void);
virtual int CompressSomeMore(void);
virtual int FinishCompression(void);
protected:
int OpenFolderAndDB();
int OpenFolder();
int StartFirstMessage();
int CopyNextBlock();
int StartOutput();
int AdvanceToNextNonExpungedMessage();
int CloseAndRenameFiles();
int CloseFiles(XP_Bool success);
int RenameFiles();
//virtual void UpdateProgressPercent();
CompressFolderState m_compressState;
MSG_FolderInfoMail *m_folder; /* Folder being compressed. */
DBFolderInfo *m_folderInfo;
ListContext *m_listContext;
MailMessageHdr *m_pHeader;
MailMessageHdr *m_newMailHdr;
int32 m_progressBytesDoneOffset;
int32 m_progressBytesTotalOffset;
const char * m_folderName;
XP_File m_infile; /* The original folder we're parsing. */
XP_File m_outfile; /* The new compressed folder. */
MailDB *m_newMailDB; // where the new headers are going
MailDB *m_srcMailDB; // where the headers are coming from
int32 m_bytesLeftInMessage;
int32 m_bytesInMessage; // total bytes in message.
XP_FileType tmptype;
char *m_tmpName; // Temporary filename of new folder.
char *m_tmpdbName; // Temporary filename of new database
XP_StatStruct m_folderst;
int32 m_outPosition;
const char * m_mailboxName; // Name of folder we're compressing
};
/*
MSG_CompressAllFoldersState: A class which compresses all known mailbox
files.
*/
class MSG_CompressAllFoldersState : public MSG_CompressState
{
public:
MSG_CompressAllFoldersState(MSG_Master *master,
MWContext *context,
URL_Struct *url);
/*
The message pane calls these three methods in order to achieve
compression.
*/
virtual int BeginCompression(void);
virtual int CompressSomeMore(void);
virtual int FinishCompression(void);
void NextMailFolder(void);
MSG_FolderInfo *m_currentFolder;
MSG_CompressFolderState *m_currentFolderCompressor;
MSG_FolderInfo *m_folders;
MSG_FolderIterator *m_iter;
int32 m_bytesCompressed;
int32 m_bytesTotal;
};
#endif