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#ifndef nsImapService_h___
#define nsImapService_h___

#include "nsIImapService.h"
#include "nsIMsgMessageService.h"
#include "nsISupportsArray.h"
#include "nsCOMPtr.h"
#include "nsIFileSpec.h"
#include "nsIProtocolHandler.h"
#include "nsIMsgProtocolInfo.h"
#include "nsIContentHandler.h"
#include "nsICacheSession.h"

class nsIImapHostSessionList; 
class nsCString;
class nsIImapUrl;
class nsIMsgFolder;
class nsIMsgStatusFeedback;
class nsIMsgIncomingServer;

class nsImapService : public nsIImapService,
                      public nsIMsgMessageService,
                      public nsIMsgMessageFetchPartService,
                      public nsIProtocolHandler,
                      public nsIMsgProtocolInfo,
                      public nsIContentHandler
{
public:

  nsImapService();
  virtual ~nsImapService();
	
  NS_DECL_ISUPPORTS
  NS_DECL_NSIMSGPROTOCOLINFO

  ////////////////////////////////////////////////////////////////////////////////////////
  // we suppport the nsIImapService interface 
  ////////////////////////////////////////////////////////////////////////////////////////
  NS_DECL_NSIIMAPSERVICE

  ////////////////////////////////////////////////////////////////////////////////////////
  // we suppport the nsIMsgMessageService Interface 
  ////////////////////////////////////////////////////////////////////////////////////////
  NS_DECL_NSIMSGMESSAGESERVICE

  ////////////////////////////////////////////////////////////////////////////////////////
  // we suppport the nsIProtocolHandler interface 
  ////////////////////////////////////////////////////////////////////////////////////////
  NS_DECL_NSIPROTOCOLHANDLER

  NS_DECL_NSIMSGMESSAGEFETCHPARTSERVICE
  NS_DECL_NSICONTENTHANDLER
protected:

    PRUnichar GetHierarchyDelimiter(nsIMsgFolder* aMsgFolder);
    nsresult GetFolderName(nsIMsgFolder* aImapFolder,
                           char **folderName);
	  nsresult CreateStartOfImapUrl(const char * aImapURI /* a RDF URI for the current message / folder, can be null */,
                                  nsIImapUrl  **imapUrl,
                                  nsIMsgFolder* aImapFolder,
                                  nsIUrlListener * aUrlListener,
                                  nsCString & urlSpec,
								                  PRUnichar &hierarchyDelimiter);
    nsresult GetImapConnectionAndLoadUrl(nsIEventQueue* aClientEventQueue, 
                                         nsIImapUrl* aImapUrl,
                                         nsISupports* aConsumer,
                                         nsIURI** aURL);
    nsresult SetImapUrlSink(nsIMsgFolder* aMsgFolder,
                              nsIImapUrl* aImapUrl);

    nsresult FetchMimePart(nsIImapUrl * aImapUrl,
                            nsImapAction aImapAction,
                            nsIMsgFolder * aImapMailFolder, 
                            nsIImapMessageSink * aImapMessage,
                            nsIURI ** aURL,
                            nsISupports * aDisplayConsumer, 
                            const char *messageIdentifierList,
                            const char *mimePart);

	nsresult DiddleFlags(nsIEventQueue * aClientEventQueue,
                         nsIMsgFolder * aImapMailFolder, 
                         nsIUrlListener * aUrlListener, 
                         nsIURI ** aURL,
                         const char *messageIdentifierList,
                         const char *howToDiddle,
                         imapMessageFlagsType flags,
                         PRBool messageIdsAreUID);

  nsresult OfflineAppendFromFile(nsIFileSpec* aFileSpec,
                                     nsIURI *aUrl,
                                     nsIMsgFolder* aDstFolder,
                                     const char* messageId, // te be replaced
                                     PRBool inSelectedState, // needs to be in
                                     nsIUrlListener* aListener,
                                     nsIURI** aURL,
                                     nsISupports* aCopyState);
  nsresult CreateSubscribeURI(nsIMsgIncomingServer *server, char *folderName, nsIURI **imapUrl);
  nsresult GetServerFromUrl(nsIImapUrl *aImapUrl, nsIMsgIncomingServer **aServer);

    // just a little helper method...maybe it should be a macro? which helps break down a imap message uri
    // into the folder and message key equivalents
    nsresult DecomposeImapURI(const char * aMessageURI, nsIMsgFolder ** aFolder,  char ** msgKey);
    nsresult DecomposeImapURI(const char * aMessageURI, nsIMsgFolder ** aFolder,  nsMsgKey *msgKey);

    PRBool                mPrintingOperation;  // Flag for printing operations

    // handle to the cache session for imap.....
    nsCOMPtr<nsICacheSession> mCacheSession;
};

#endif /* nsImapService_h___ */
