mailnews/local/src/nsLocalUndoTxn.h
author Robert Kaiser <kairo@kairo.at>
Tue, 22 Jul 2008 14:27:55 +0200
changeset 1 66c9c3ea3cbed9214b524d4631cf7bc900e34b8b
parent 0 e4f4569d451a5e0d12a6aa33ebd916f979dd8faa
child 1369 8e8a945d32307f4dda7aee11c623e78f5095ab98
permissions -rw-r--r--
bug 444686 - create/adapt build system for comm-central, creating the buildsystem, r=ted r=Callek r=Standard8

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef nsLocalUndoTxn_h__
#define nsLocalUndoTxn_h__

#include "msgCore.h"
#include "nsIMsgFolder.h"
#include "nsMailboxService.h"
#include "nsMsgTxn.h"
#include "MailNewsTypes.h"
#include "nsTArray.h"
#include "nsCOMPtr.h"
#include "nsIUrlListener.h"
#include "nsIWeakReference.h"

#define NS_LOCALMOVECOPYMSGTXN_IID \
{ /* 874363b4-242e-11d3-afad-001083002da8 */ \
  0x874363b4, 0x242e, 0x11d3, \
  { 0xaf, 0xad, 0x00, 0x10, 0x83, 0x00, 0x2d, 0xa8 } }

class nsLocalUndoFolderListener;

class nsLocalMoveCopyMsgTxn : public nsMsgTxn
{
public:
    NS_DECLARE_STATIC_IID_ACCESSOR(NS_LOCALMOVECOPYMSGTXN_IID)

    nsLocalMoveCopyMsgTxn();
    virtual ~nsLocalMoveCopyMsgTxn();

    NS_DECL_ISUPPORTS_INHERITED

    // overloading nsITransaction methods
    NS_IMETHOD UndoTransaction(void);
    NS_IMETHOD RedoTransaction(void);

    // helper
    nsresult AddSrcKey(nsMsgKey aKey);
    nsresult AddSrcStatusOffset(PRUint32 statusOffset);
    nsresult AddDstKey(nsMsgKey aKey);
    nsresult AddDstMsgSize(PRUint32 msgSize);
    nsresult SetSrcFolder(nsIMsgFolder* srcFolder);
    nsresult GetSrcIsImap(PRBool *isImap);
    nsresult SetDstFolder(nsIMsgFolder* dstFolder);
    nsresult Init(nsIMsgFolder* srcFolder,
          nsIMsgFolder* dstFolder,
          PRBool isMove);
    nsresult UndoImapDeleteFlag(nsIMsgFolder* aFolder,
                                nsTArray<nsMsgKey>& aKeyArray,
                                PRBool deleteFlag);
    nsresult UndoTransactionInternal();

private:
    nsWeakPtr m_srcFolder;
    nsTArray<nsMsgKey> m_srcKeyArray; // used when src is local or imap
    nsTArray<PRUint32> m_srcStatusOffsetArray; // used when src is local
    nsWeakPtr m_dstFolder;
    nsTArray<nsMsgKey> m_dstKeyArray;
    PRBool m_isMove;
    PRBool m_srcIsImap4;
    nsTArray<PRUint32> m_dstSizeArray;
    nsLocalUndoFolderListener *mUndoFolderListener;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsLocalMoveCopyMsgTxn,
                              NS_LOCALMOVECOPYMSGTXN_IID)

class nsLocalUndoFolderListener : public nsIFolderListener
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIFOLDERLISTENER

  nsLocalUndoFolderListener(nsLocalMoveCopyMsgTxn *aTxn, nsIMsgFolder *aFolder);
  virtual ~nsLocalUndoFolderListener();

private:
  nsLocalMoveCopyMsgTxn *mTxn;
  nsIMsgFolder *mFolder;
};

#endif