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nsLocalUndoTxn.h
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00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #ifndef nsLocalUndoTxn_h__
00039 #define nsLocalUndoTxn_h__
00040 
00041 #include "msgCore.h"
00042 #include "nsIMsgFolder.h"
00043 #include "nsMailboxService.h"
00044 #include "nsMsgTxn.h"
00045 #include "nsMsgKeyArray.h"
00046 #include "nsCOMPtr.h"
00047 #include "nsIUrlListener.h"
00048 #include "nsIWeakReference.h"
00049 
00050 #define NS_LOCALMOVECOPYMSGTXN_IID \
00051 { /* 874363b4-242e-11d3-afad-001083002da8 */ \
00052        0x874363b4, 0x242e, 0x11d3, \
00053        { 0xaf, 0xad, 0x00, 0x10, 0x83, 0x00, 0x2d, 0xa8 } }
00054 
00055 class nsLocalUndoFolderListener;
00056 
00057 class nsLocalMoveCopyMsgTxn : public nsMsgTxn
00058 {
00059 public:
00060     NS_DEFINE_STATIC_IID_ACCESSOR(NS_LOCALMOVECOPYMSGTXN_IID)
00061 
00062     nsLocalMoveCopyMsgTxn();
00063     virtual ~nsLocalMoveCopyMsgTxn();
00064 
00065     NS_DECL_ISUPPORTS_INHERITED
00066 
00067     // overloading nsITransaction methods
00068     NS_IMETHOD UndoTransaction(void);
00069     NS_IMETHOD RedoTransaction(void);
00070 
00071     // helper
00072     nsresult AddSrcKey(nsMsgKey aKey);
00073               nsresult AddSrcStatusOffset(PRUint32 statusOffset);
00074     nsresult AddDstKey(nsMsgKey aKey);
00075     nsresult AddDstMsgSize(PRUint32 msgSize);
00076     nsresult SetSrcFolder(nsIMsgFolder* srcFolder);
00077     nsresult GetSrcIsImap(PRBool *isImap);
00078     nsresult SetDstFolder(nsIMsgFolder* dstFolder);
00079     nsresult Init(nsIMsgFolder* srcFolder,
00080                               nsIMsgFolder* dstFolder,
00081                               PRBool isMove);
00082     nsresult UndoImapDeleteFlag(nsIMsgFolder* aFolder, 
00083                                 nsMsgKeyArray& aKeyArray,
00084                                 PRBool deleteFlag);
00085     nsresult UndoTransactionInternal();
00086   
00087 private:
00088     nsWeakPtr m_srcFolder;
00089     nsMsgKeyArray m_srcKeyArray; // used when src is local or imap
00090     nsUInt32Array m_srcStatusOffsetArray; // used when src is local
00091     nsWeakPtr m_dstFolder;
00092     nsMsgKeyArray m_dstKeyArray;
00093     PRBool m_isMove;
00094     PRBool m_srcIsImap4;
00095     nsUInt32Array m_dstSizeArray;
00096     nsLocalUndoFolderListener *mUndoFolderListener;
00097 };
00098 
00099 class nsLocalUndoFolderListener : public nsIFolderListener
00100 {
00101 public:
00102   NS_DECL_ISUPPORTS
00103   NS_DECL_NSIFOLDERLISTENER
00104 
00105   nsLocalUndoFolderListener(nsLocalMoveCopyMsgTxn *aTxn, nsIMsgFolder *aFolder);
00106   virtual ~nsLocalUndoFolderListener();
00107  
00108 private:
00109   nsLocalMoveCopyMsgTxn *mTxn;
00110   nsIMsgFolder *mFolder;
00111 };
00112 
00113 #endif