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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsLocalUndoTxn_h__
#define nsLocalUndoTxn_h__
#include "mozilla/Attributes.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"
#include "nsIWeakReferenceUtils.h"
class nsLocalUndoFolderListener;
class nsLocalMoveCopyMsgTxn : public nsIFolderListener, public nsMsgTxn
{
public:
nsLocalMoveCopyMsgTxn();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIFOLDERLISTENER
// overloading nsITransaction methods
NS_IMETHOD UndoTransaction(void) override;
NS_IMETHOD RedoTransaction(void) override;
// helper
nsresult AddSrcKey(nsMsgKey aKey);
nsresult AddSrcStatusOffset(uint32_t statusOffset);
nsresult AddDstKey(nsMsgKey aKey);
nsresult AddDstMsgSize(uint32_t msgSize);
nsresult SetSrcFolder(nsIMsgFolder* srcFolder);
nsresult GetSrcIsImap(bool *isImap);
nsresult SetDstFolder(nsIMsgFolder* dstFolder);
nsresult Init(nsIMsgFolder* srcFolder,
nsIMsgFolder* dstFolder, bool isMove);
nsresult UndoImapDeleteFlag(nsIMsgFolder* aFolder,
nsTArray<nsMsgKey>& aKeyArray,
bool deleteFlag);
nsresult UndoTransactionInternal();
// If the store using this undo transaction can "undelete" a message,
// it will call this function on the transaction; This makes undo/redo
// easy because message keys don't change after undo/redo. Otherwise,
// we need to adjust the src or dst keys after every undo/redo action
// to note the new keys.
void SetCanUndelete(bool canUndelete) {m_canUndelete = canUndelete;}
private:
virtual ~nsLocalMoveCopyMsgTxn();
nsWeakPtr m_srcFolder;
nsTArray<nsMsgKey> m_srcKeyArray; // used when src is local or imap
nsTArray<uint32_t> m_srcStatusOffsetArray; // used when src is local
nsWeakPtr m_dstFolder;
nsTArray<nsMsgKey> m_dstKeyArray;
bool m_isMove;
bool m_srcIsImap4;
bool m_canUndelete;
nsTArray<uint32_t> m_dstSizeArray;
bool m_undoing; // if false, re-doing
uint32_t m_numHdrsCopied;
nsTArray<nsCString> m_copiedMsgIds;
nsLocalUndoFolderListener *mUndoFolderListener;
};
class nsLocalUndoFolderListener : public nsIFolderListener
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIFOLDERLISTENER
nsLocalUndoFolderListener(nsLocalMoveCopyMsgTxn *aTxn, nsIMsgFolder *aFolder);
private:
virtual ~nsLocalUndoFolderListener();
nsLocalMoveCopyMsgTxn *mTxn;
nsIMsgFolder *mFolder;
};
#endif
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