/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* 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:

*

* Description:  MBSUpdater

 *

*/

 #ifndef __MBSUPDATER_H

 #define __MBSUPDATER_H

 #include <e32std.h>

 #include <mbselement.h>

class MBSBackupRestoreStateObserver ;

const TInt KBSAutomaticVersionUpdate = -1;

 /**

  * An interface for updating branding information

  *

  * @since

  */

 class MBSUpdater

     {

     public:

		enum TUpdateTransactionType

			{

			EUpdateInstall = 1,

			EUpdateAppend,

			EUpdateReplace,

			EUpdateUninstall

			};

		//*** TRANSACTION HANDLING ***//

     	/*

     	* Start transaction for installing a brand.

     	* @param aApplicationId id of the application

     	* @param aBrandId id of the brand

     	* @param aLanguageId languageid of the brand

     	* @param aReserved for further use

     	*/

        virtual void StartTransactionL( const TDesC8& aBrandId,

         								TLanguage aLanguageId,

         								TUpdateTransactionType aType = EUpdateInstall,

         								TInt aReserved = 0 ) = 0;

     	/*

     	* Stop brand installation transaction.

     	* Calling this will indicate that the brand has

     	* been updated completely and it will be taken

     	* into use.

     	* @return new version of the installed/updated brand

     	*/

		virtual TInt StopTransactionL() = 0;

     	/*

     	* Cancels brand installation transaction.

     	* All the elements updated in this transaction

     	* will be discarded.

     	*/

		virtual void CancelTransactionL() = 0;

		//*** BRAND REMOVING ***//

     	/*

     	* Removes all brand data from the specified brand.

     	*/

		virtual void RemoveBrandL( const TDesC8& aApplicationId,

								   const TDesC8& aBrandId ) = 0;

     	/*

     	* Removes all brand data from the specified application.

     	*/

		virtual void RemoveBrandsL( const TDesC8& aApplicationId ) = 0;

		//*** BRAND INSTALLING ***//

    	/*

    	* Insert text type item into the new brand

    	* @param aId ID of the item

    	* @param aText the text item

    	*/

        virtual void InsertTextL( const TDesC8& aId, const TDesC& aText ) = 0;

    	/*

    	* Insert 8-bit data type item into the new brand

    	* @param aId ID of the item

    	* @param aBuffer the data item

    	*/

        virtual void InsertBufferL( const TDesC8& aId, const TDesC8& aBuffer ) = 0;

    	/*

    	* Insert integer type item into the new brand

    	* @param aId ID of the item

    	* @param aInt the integer item

    	*/

        virtual void InsertIntL( const TDesC8& aId, TInt aInt ) = 0;

    	/*

    	* Insert a file type item into the new brand.

    	* Note that the this is only the id and file name pair,

    	* the file itself has to be imported separately.

    	* @param aId ID of the item

    	* @param aFile the integer item

    	*/

        virtual void InsertFileL( const TDesC8& aId,

        					   	  const TDesC& aFileName ) = 0;

     	/*

     	* Inserts an element into the brand that is being installed.

     	* @param aElement the element

     	*/

        virtual void InsertElementL( MBSElement* aElement ) = 0;

		//*** BRAND UPDATING - replacing ***//

    	/*

    	* Insert text type item into the new brand

    	* @param aId ID of the item

    	* @param aText the text item

    	*/

        virtual void ReplaceTextL( const TDesC8& aId, const TDesC& aText ) = 0;

    	/*

    	* Insert 8-bit data type item into the new brand

    	* @param aId ID of the item

    	* @param aBuffer the data item

    	*/

        virtual void ReplaceBufferL( const TDesC8& aId, const TDesC8& aBuffer ) = 0;

    	/*

    	* Insert integer type item into the new brand

    	* @param aId ID of the item

    	* @param aInt the integer item

    	*/

        virtual void ReplaceIntL( const TDesC8& aId, TInt aInt ) = 0;

    	/*

    	* Insert a file type item into the new brand.

    	* Note that the this is only the id and file name pair,

    	* the file itself has to be imported separately.

    	* @param aId ID of the item

    	* @param aFile the integer item

    	*/

        virtual void ReplaceFileL( const TDesC8& aId,

        					   	  const TDesC& aFileName ) = 0;

     	/*

     	* Inserts an element into the brand that is being installed.

     	* @param aElement the element

     	*/

        virtual void ReplaceElementL( MBSElement* aElement ) = 0;

		//*** BRAND UPDATING - appending ***//

    	/*

    	* Insert text type item into the new brand

    	* @param aId ID of the item

    	* @param aText the text item

    	*/

        virtual void AppendTextL( const TDesC8& aId, const TDesC& aText ) = 0;

    	/*

    	* Insert 8-bit data type item into the new brand

    	* @param aId ID of the item

    	* @param aBuffer the data item

    	*/

        virtual void AppendBufferL( const TDesC8& aId, const TDesC8& aBuffer ) = 0;

    	/*

    	* Insert integer type item into the new brand

    	* @param aId ID of the item

    	* @param aInt the integer item

    	*/

        virtual void AppendIntL( const TDesC8& aId, TInt aInt ) = 0;

    	/*

    	* Insert a file type item into the new brand.

    	* Note that the this is only the id and file name pair,

    	* the file itself has to be imported separately.

    	* @param aId ID of the item

    	* @param aFile the integer item

    	*/

        virtual void AppendFileL( const TDesC8& aId,

        					   	  const TDesC& aFileName ) = 0;

     	/*

     	* Inserts an element into the brand that is being installed.

     	* @param aElement the element

     	*/

        virtual void AppendElementL( MBSElement* aElement ) = 0;

        /*

        * Closes the handle to server and deletes the object.

        */

		virtual void Close() = 0;

    	/*

    	* Register to observer backup restore state change

    	* @param aObserver the observer interface

    	*/

        virtual void RegisterObserverL( MBSBackupRestoreStateObserver* aBackupObserver ) = 0;

    	/*

    	* Unregister a backup restore state change observer

    	* @param aObserver the observer interface

    	*/

        virtual void UnRegisterObserverL( MBSBackupRestoreStateObserver* aObserver ) = 0;

	protected:

     	/*

     	* Destructor

     	*/

     	virtual ~MBSUpdater() {};

     };

 #endif //__MBSUPDATER_H