/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

*

*/

#ifndef __CBSSESSION_H__

#define __CBSSESSION_H__

#include <e32base.h>

#include <s32mem.h>

#include "rbsobjowningptrarray.h"

#include "bsserverdefs.h"

#include "mbsbackupobserver.h"

class CBSServer;

class CBSBrandHandler;

class MBSElement;

class CBSStorageManager;

/**

 * Service side session.

 *

 * @lib

 * @since

 */

 class CBSSession : public CSession2,

                    public MBSBackupObserver

    {

    public:

    	/**

    	 * Class for encapsulating the session information.

    	 */

    	NONSHARABLE_CLASS( CBSSessionInfo ): public CBase

    		{

    		public:

	    		/**

	    		 * Creates a new CBSSessionInfo

	    		 *

	    		 * @param aFileName the filename of the process, that created 

	    		 *        this session

	    		 * @param aCaption a caption of the process, that created this 

	    		 *        session

	    		 * @param aThreadId thread id where this session was created

	    		 * @param aProcessId processId of the process, that created 

	    		 *        this session

	    		 * @return a new CBSSessionInfo instance

	    		 */

	    		static CBSSessionInfo* NewL( const TDesC& aFileName, 

	    		                             const TDesC& aCaption,

	    		                             TThreadId aThreadId,

	    		                             TProcessId aProcessId );

        	    /**

                 * Destructor.

                 */  		

	    		~CBSSessionInfo();

    		private: 

                /**

                 * Symbian second-phase constructor

                 *

	    		 * @param aFileName the filename of the process, that created 

	    		 *        this session

	    		 * @param aCaption a caption of the process, that created this 

	    		 *        session

                 */                    

	    		void ConstructL( const TDesC& aFileName, 

	    		                 const TDesC& aCaption );

                /**

                 * Constructor.

	    		 *

	    		 * @param aThreadId thread id where this session was created

	    		 * @param aProcessId processId of the process, that created 

	    		 *        this session

                 */

	    		CBSSessionInfo( TThreadId aThreadId, TProcessId aProcessId );

			public: 

			    /**

                 * Returns the filename of the process, that created this 

                 * session.

                 *

                 * @return a filename

                 */ 

				const TDesC& FileName();

			    /**

                 * Returns the caption of the process, that created this 

	    		 * session.

                 *

                 * @return a caption

                 */ 

				const TDesC& Caption();

			    /**

                 * Returns the thread id where this session was created.

                 *

                 * @return a thread id

                 */ 

				TThreadId ThreadId();

			    /**

                 * Returns the processId of the process, that created 

	    		 * this session.

                 *

                 * @return a process id

                 */ 

				TProcessId ProcessId();

			private: // data

                /**

                 * Filename

                 * Own.

                 */

				HBufC* 		iFileName;

                /**

                 * Caption

                 * Own.

                 */

			  	HBufC*      iCaption;

                /**

                 * Thread Id.

                 */

			  	TThreadId  	iThreadId;

                /**

                 * Process Id.

                 */

			  	TProcessId  iProcessId;			  	

    		};      

    public:     // Constructors and destructors

        static CBSSession* NewL();

        virtual ~CBSSession();

    protected:  // C++ constructors

    	/**

        * C++ default constructor.

        */

        CBSSession();

        /**

        * Symbian OS constructor

        */

		void ConstructL();

    public:     // Methods derived from CSession2

    	/**

    	* From CSession2

    	*/

        void CreateL();

    	/**

    	* From CSession2

    	*/

        void ServiceL( const RMessage2 &aMessage );

    	/**

    	* From CSession2

    	*/

        void ServiceError( const RMessage2& aMessage,

                           TInt aError );

    public:     // From MBSBackupObserver

    	/*

    	* @see MBSBackupObserver

    	*/

		void HandleBackupStateL( TBackupState aState );

	public: // New methods

        /**

        *

        */

        CBSServer* Server() { return (CBSServer*) CSession2::Server(); }

		TBool MatchSessionL( const TDesC& aApplicationId,

							 const TDesC& aBrandId,

							 TLanguage aLanguageId,

							 TInt aReserved );

		TBool MatchSessionUninstallL( const TDesC& aApplicationId,

								 const TDesC& aBrandId);

		void BrandUpdatedL( const TDesC& aApplicationId,

							 const TDesC& aBrandId,

							 TLanguage aLanguageId,

							 TInt aReserved );

	    /**

         * Returns the filename of the process, that created this 

         * session.

         *

         * @return a filename

         */ 

		const TDesC& FileName();

	    /**

         * Returns the caption of the process, that created this 

		 * session.

         *

         * @return a caption

         */ 

		const TDesC& Caption();

	    /**

         * Returns the thread id where this session was created.

         *

         * @return a thread id

         */ 

		TInt ThreadId( TThreadId& aThreadId );

	    /**

         * Returns the processId of the process, that created 

		 * this session.

         *

         * @return a process id

         */

        TInt ProcessId( TProcessId& aProcessId );

        /**

         * Returns, if the session info for this object is available.

         *

         * @return ETrue, if information about this object is available;

         *         EFalse otherwise

         */

        TBool InfoAvailable();

    private:    // New methods

        /**

		*  Dispatch clients message

		*

		*  @since

		*  @param aMessage client's message

        */

        TBool DispatchMessageL( const RMessage2 &aMessage );

		/**

		* Initializes the server

		* @param aMessage client's message

		*/

        void InitUpdateL( const RMessage2 &aMessage, TTransactionType aType );

		/**

		* Initializes the server

		* @param aMessage client's message

		*/

        void InitAccessL( const RMessage2 &aMessage );

		/**

		* Get text type branding item

		* @param aMessage client's message

		*/

        void GetTextL( const RMessage2 &aMessage );

		/**

		* Get text type branding item

		* @param aMessage client's message

		*/

        void GetBufferL( const RMessage2 &aMessage );

		/**

		* Get integer type branding item

		* @param aMessage client's message

		*/

        void GetIntL( const RMessage2 &aMessage );

		/**

		* Get file type branding item

		* @param aMessage client's message

		*/

        void GetFileL( const RMessage2 &aMessage );

		/**

		* Prepares several textual type branding items.

		* These have to be fetched with GetSeveralText.

		* @param aMessage client's message

		*/

        void PrepareSeveralL( const RMessage2 &aMessage );

		/**

		* Gets the several textual branding items

		* previously prepared.

		* @param aMessage client's message

		*/

        void GetSeveralL( const RMessage2 &aMessage );

		/**

		* Prepares several structure type branding items.

		* These have to be fetched with GetStructure.

		* @param aMessage client's message

		*/

        void PrepareStructureL( const RMessage2 &aMessage );

		/**

		* Gets the several structure type branding items

		* previously prepared.

		* @param aMessage client's message

		*/

        void GetStructureL( const RMessage2 &aMessage );

		void isBrandUpdateRequiredL (const RMessage2 &aMessage);

		/**

		* 

		* 

		* @param aMessage client's message

		*/

        void InstallL( const RMessage2 &aMessage );

		/**

		* 

		* 

		* @param aMessage client's message

		*/

        void ReplaceL( const RMessage2 &aMessage );

		/**

		* 

		* 

		* @param aMessage client's message

		*/

        void AppendL( const RMessage2 &aMessage );

		/**

		* 

		* 

		* @param aMessage client's message

		*/

		MBSElement* InternalizeElementL( RReadStream& aStream, TBool aAppending = EFalse );

		/**

		* Cancels the transaction

		*/

        void StartTransactionL( const RMessage2 &aMessage );

		/**

		* Cancels the transaction

		*/

        void CancelTransactionL( const RMessage2 &aMessage );

		/**

		* Finishes the transaction

		*/

        void StopTransactionL( const RMessage2 &aMessage );

		/**

		* Internalize element ids

		*/

        void InternalizeElementIdsL( RReadStream& aStream, RBSObjOwningPtrArray<HBufC8>& aArray );

		/**

		* 

		* 

		* @param aMessage client's message

		*/

        void RemoveBrandL( const RMessage2 &aMessage );

		/**

		* 

		* 

		* @param aMessage client's message

		*/

        void RemoveApplicationL( const RMessage2 &aMessage );

		void PrepareAppendL();

		void PrepareReplaceL();

		TInt GetNewVersionL();

        /**

         * Extracts some information from the specified RMessage2

         * and saves it.

         *

         * @param aMessage a message from a client

         */

        void ExtractInfoL( const RMessage2& aMessage );

    private:    // Data

    	TBool iInitialized;

    	TBool iAppending;

    	TBool iAccessInit;

    	TBool iWriteNeeded;

    	// is backup process currently active

    	TBool iBackupActive;

    	HBufC* iBrandId;

    	HBufC* iDefaultBrandId;

    	HBufC* iApplicationId;

    	TLanguage iLanguageId;

        TInt iValue;

        HBufC* iText;

        CBSBrandHandler* iBranding;

        CBufFlat* iSeveralData;

        HBufC8*		iBuffer;

        TBool iMessageCompleted;

        CBSStorageManager* iStorageManager;

        TBool iObserverActive;

        RMessage2 iObserverMessage;

        // To send backup event to client

        TBool iIsBackup ;

		TInt iReserved;

        /**

         * Contains information about this object.

         * Own.

         */

        CBSSessionInfo* iSessionInfo;

    };

#endif      //  __CBSSESSION_H__

//  END OF FILE