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#ifndef nsMsgCopyService_h__
#define nsMsgCopyService_h__

#include "nscore.h"
#include "nsIMsgCopyService.h"
#include "nsCOMPtr.h"
#include "nsIMsgFolder.h"
#include "nsIMsgHdr.h"
#include "nsIMsgWindow.h"
#include "nsComObsolete.h"

typedef enum _nsCopyRequestType
{
    nsCopyMessagesType = 0x0,
    nsCopyFileMessageType = 0x1,
    nsCopyFoldersType = 0x2
} nsCopyRequestType;

class nsCopyRequest;

class nsCopySource
{
public:
    nsCopySource();
    nsCopySource(nsIMsgFolder* srcFolder);
    ~nsCopySource();
    void AddMessage(nsIMsgDBHdr* aMsg);

    nsCOMPtr<nsIMsgFolder> m_msgFolder;
    nsCOMPtr<nsISupportsArray> m_messageArray;
    PRBool m_processed;
};

class nsCopyRequest 
{
public:
    nsCopyRequest();
    ~nsCopyRequest();

    nsresult Init(nsCopyRequestType type, nsISupports* aSupport,
                  nsIMsgFolder* dstFolder,
                  PRBool bVal, nsIMsgCopyServiceListener* listener,
                  nsIMsgWindow *msgWindow, PRBool allowUndo);
    nsCopySource* AddNewCopySource(nsIMsgFolder* srcFolder);

    nsCOMPtr<nsISupports> m_srcSupport; // ui source folder or file spec
    nsCOMPtr<nsIMsgFolder> m_dstFolder;
    nsCOMPtr<nsIMsgWindow> m_msgWindow;
    nsCOMPtr<nsIMsgCopyServiceListener> m_listener;
	nsCOMPtr<nsITransactionManager> m_txnMgr;
    nsCopyRequestType m_requestType;
    PRBool m_isMoveOrDraftOrTemplate;
    PRBool m_allowUndo;
    PRBool m_processed;
    nsString m_dstFolderName;      // used for copy folder.
    nsVoidArray m_copySourceArray; // array of nsCopySource
};

class nsMsgCopyService : public nsIMsgCopyService
{
public:
	nsMsgCopyService();
	virtual ~nsMsgCopyService();
	
	NS_DECL_ISUPPORTS 

	NS_DECL_NSIMSGCOPYSERVICE

private:

    nsresult ClearRequest(nsCopyRequest* aRequest, nsresult rv);
    nsresult DoCopy(nsCopyRequest* aRequest);
    nsresult DoNextCopy();
    nsCopyRequest* FindRequest(nsISupports* aSupport, nsIMsgFolder* dstFolder);
    nsresult QueueRequest(nsCopyRequest* aRequest, PRBool *aCopyImmediately);

    nsVoidArray m_copyRequests;
};


#endif 
