/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  Camera Control DM Adapter.

*

*/

#ifndef __DEVENCADAPTER_H

#define __DEVENCADAPTER_H

// INCLUDES

#include <e32base.h>

#include <smldmadapter.h>

#include <centralrepository.h>

#include <featurecontrol.h>

#include <DevEncEngineConstants.h>

#include <DevEncDiskUtils.h>

#include <DevEncKeyUtils.h>

#include <DevEncSession.h>

enum TDevEncCommand

    {

    EDmDecrypt = 0,

    EDmEncryptDefault,

    EDmEncryptBackup,

    EDmEncryptRestore

    };

// CLASS DECLARATION

/**

* Adapter class

* Provides DM adapter interface

*/

class CDevEncAdapter : public CSmlDmAdapter

    {

    public: // Constructors, destructor

        /**

        * Create instance of CDevEncAdapter

        * @param aDmCallBack

        * @return Instance of CDevEncAdapter

        */    

        static CDevEncAdapter* NewL( MSmlDmCallback* aDmCallback );

        /**

        * Create instance of CDevEncAdapter

        * @param aDmCallBack

        * @return Instance of CDevEncAdapter

        */   

        static CDevEncAdapter* NewLC( MSmlDmCallback* aDmCallback );

        /**

        * C++ Destructor

        */

        virtual ~CDevEncAdapter();

    public:

	    /**

	    * The function returns current version of the DDF.

	    * By asking current DDF versions from adapters DM Module can control

	    * possible changes in the data structure and send the changed DDF

	    * description to a management server.

	    * This function is always called after DDFStructureL.

        * @param aVersion DDF version of the adapter. (filled by the adapter)

	    * @publishedPartner

	    * @prototype

	    */

	    void DDFVersionL( CBufBase& aVersion );

	    /**

	    * The function for filling the DDF structure of the adapter

	    * This function is only called once, immediately after the adapter is created.

	    * @param aDDFObject	Reference to root object. A DM adapter starts filling

		         the data structure by calling AddChildObjectL to the root object and

				 so describes the DDF of the adapter. 

	    * @publishedPartner

	    * @prototype

	    */

        void DDFStructureL( MSmlDmDDFObject& aDDF );

	    /**

	    * The function creates new leaf objects, or replaces data in existing leaf

	    * objects. The information about the success of the command should be

	    * returned by calling SetStatusL function of MSmlDmCallback callback

	    * interface. This makes it possible to buffer the commands. However, all

	    * the status codes for buffered commands must be returned at the latest when

	    * the adapter's CompleteOutstandingCmdsL() is called.

	    * @param aURI			URI of the object

	    * @param aLUID		LUID of the object (if the adapter has earlier returned a

	 	     				LUID to the DM Module). For new objects, this is the LUID

 			    			inherited through the parent node.

 	    * @param aObject		Data of the object. 

	    * @param aType		MIME type of the object

	    * @param aStatusRef	Reference to correct command, i.e. this reference

	 					must be used when calling the SetStatusL of this command

	    * @publishedPartner

	    * @prototype

	    */

	    void UpdateLeafObjectL( const TDesC8& aURI, 

	                            const TDesC8& aLUID,

			                    const TDesC8& aObject, 

			 				    const TDesC8& aType,

							    TInt aStatusRef 

							  );

        /**

	    * The function creates new leaf objects, or replaces data in existing leaf

	    * objects, in the case where data is large enough to be streamed. The

	    * information about the success of the command should be returned by calling

	    * SetStatusL function of MSmlDmCallback callback interface. This makes it

	    * possible to buffer the commands.  However, all the status codes for buffered

	    * commands must be returned at the latest when the CompleteOutstandingCmdsL()

	    * of adapter is called.

	    * @param aURI		URI of the object

	    * @param aLUID		LUID of the object (if the adapter has earlier returned a

    						LUID to the DM Module). For new objects, this is the LUID

	    					inherited through the parent node.

	    * @param aStream	Data of the object. Adapter should create write stream

		    				and return, when data is written to stream by DM agent,

			    			StreamCommittedL() is called by DM engine

	    * @param aType		MIME type of the object

	    * @param aStatusRef	Reference to correct command, i.e. this reference

    						must be used when calling the SetStatusL of this

		    				command.

	    * @publishedPartner

	    * @prototype

	    */

	    void UpdateLeafObjectL( const TDesC8& aURI, 

	                            const TDesC8& aLUID,

								RWriteStream*& aStream, 

								const TDesC8& aType,

		 						TInt aStatusRef 

		 				      );

	    /**

	    * The function deletes an object and its child objects. The SetStatusL

	    * should be used as described in UpdateLeafObjectL()

	    * @param aURI		URI of the object

	    * @param aLUID		LUID of the object (if the adapter have earlier returned

    						LUID to the DM Module).

	    * @param aStatusRef	Reference to correct command, i.e. this reference must

						be used when calling the SetStatusL of this command.

        * @publishedPartner

	    * @prototype

	    */

	    void DeleteObjectL( const TDesC8& aURI, 

	                        const TDesC8& aLUID,

							TInt aStatusRef 

					      );

	    /**

	    * The function fetches data of a leaf object. The SetStatusL should be used

	    * as described in UpdateLeafObjectL(). The data is returned by using the

	    * SetResultsL function of MSmlCallback callback interface, and may be streamed.

	    * @param aURI			URI of the object

	    * @param aLUID			LUID of the object (if the adapter have earlier

    							returned LUID to the DM Module).   

	    * @param aType 			MIME type of the object

	    * @param aResultsRef	Reference to correct results, i.e. this reference

    							must be used when returning the result by calling

	    						the SetResultsL.

	    * @param aStatusRef		Reference to correct command, i.e. this reference

		    					must be used when calling the SetStatusL of this

    							command.

	    * @publishedPartner

	    * @prototype

	    */

	    void FetchLeafObjectL( const TDesC8& aURI, 

	                           const TDesC8& aLUID,

							   const TDesC8& aType, 

							   TInt aResultsRef,

							   TInt aStatusRef 

							 );

	    /**

	    * The function fetches the size of the data of a leaf object. The size is

	    * in bytes, and must reflect the number of bytes that will be transferred

	    * when the framework calls FetchLeafObjectL. The SetStatusL should be used

	    * as described in FetchLeafObjectL(). The size value is returned by using

	    * the SetResultsL function of MSmlCallback callback interface, and must be

	    * a decimal integer expressed as a string, eg. "1234".

	    * Results from this call MUST NOT be streamed.

	    * @param aURI			URI of the object

	    * @param aLUID			LUID of the object (if the adapter have earlier

    							returned LUID to the DM Module).   

	    * @param aType 			MIME type of the object

	    * @param aResultsRef	Reference to correct results, i.e. this reference

    							must be used when returning the result by calling

	    						the SetResultsL.

	    * @param aStatusRef		Reference to correct command, i.e. this reference

     							must be used when calling the SetStatusL of this

	    						command.

	    * @publishedPartner

	    * @prototype

	    */

	    void FetchLeafObjectSizeL( const TDesC8& aURI, 

	                               const TDesC8& aLUID,

								   const TDesC8& aType, 

								   TInt aResultsRef,

								   TInt aStatusRef 

								 );

	    /**

	    * The function fetches URI list. An adapter returns the list of URI segments

	    * under the given URI be separated by slash ("/"). The URI segment names for

	    * new objects must be given by the adapter.

	    * The list is returned by calling the SetResultsL function of MSmlCallback

	    * callback interface.	Results from this call MUST NOT be streamed.

	    * @param aParentURI					URI of the parent object

	    * @param aParentLUID				LUID of the parent object (if the

    										adapter have earlier returned LUID to

		    								the DM Module).   

	    * @param aPreviousURISegmentList	URI list with mapping LUID information,

			    							which is known by DM engine. An adapter

				    						can use this information when verifying

					    					if old objects still exists. An adapter

						    				also knows what objects are new to DM

							    			engine and can provide LUID mapping for

								    		them. aPreviousURISegmentList parameter

									    	(see above) helps to recognise new

    										objects.

	    * @param aResultsRef				Reference to correct results, i.e. this

    										reference must be used when returning

	    									the result by calling the SetResultsL.

	    * @param aStatusRef					Reference to correct command, i.e. this

		    								reference must be used when calling the

			    							SetStatusL of this command.

	    * @publishedPartner

	    * @prototype

	    */

	    void ChildURIListL( const TDesC8& aURI, 

	                        const TDesC8& aLUID,

					        const CArrayFix<TSmlDmMappingInfo>& aPreviousURISegmentList,

					        TInt aResultsRef, 

					        TInt aStatusRef 

					      );

        /**

	    * The function adds node object. In some cases an implementation of the

	    * function may be empty function, if the node object does not need concrete

	    * database update. Still this function may be helpful to an adapter, i.e. in

	    * passing mapping LUID of the node to DM Module. The SetStatusL should be

	    * used as described in UpdateLeafObjectL()

	    * @param aURI			URI of the object

	    * @param aParentLUID	LUID of the parent object (if the adapter have

     							earlier returned LUID to the DM Module).   

	    * @param aStatusRef		Reference to correct command, i.e. this reference

		    					must be used when calling the SetStatusL of this

			    				command.

	    * @publishedPartner

	    * @prototype

	    */

	    void AddNodeObjectL( const TDesC8& aURI, 

	                         const TDesC8& aParentLUID,

		  					 TInt aStatusRef 

		  				   );

	    /**

	    * The function implements execute command. The information about the success

	    * of the command should be returned by calling SetStatusL function of

	    * MSmlDmCallback callback interface. This makes it possible to buffer the

	    * commands.

	    * However, all the status codes for buffered commands must be returned at

	    * the latest when the CompleteOutstandingCmdsL() of adapter is called.

	    * @param aURI			URI of the command

	    * @param aLUID			LUID of the object (if the adapter have earlier

    							returned LUID to the DM Module).   

	    * @param aArgument		Argument for the command

	    * @param aType			MIME type of the object 

	    * @param aStatusRef		Reference to correct command, i.e. this reference

    							must be used when calling the SetStatusL of this

	    						command.

	    * @publishedPartner

	    * @prototype

	    */

	    void ExecuteCommandL( const TDesC8& aURI, 

	                          const TDesC8& aLUID,

							  const TDesC8& aArgument, 

							  const TDesC8& aType,

							  TInt aStatusRef 

							);

	    /**

	    * The function implements execute command. The information about the

	    * success of the command should be returned by calling SetStatusL function

	    * of MSmlDmCallback callback interface. This makes it possible to buffer the

	    * commands.

	    * However, all the status codes for buffered commands must be returned at

	    * the latest when the CompleteOutstandingCmdsL() of adapter is called.

	    * @param aURI			URI of the command

	    * @param aLUID			LUID of the object (if the adapter have earlier

    							returned LUID to the DM Module).   

	    * @param aStream		Argument for the command. Adapter should create

		    					write stream and return, when data is written to

			    				stream by DM agent, StreamCommittedL() is called by

				    			DM engine

	    * @param aType			MIME type of the object 

	    * @param aStatusRef		Reference to correct command, i.e. this reference

    							must be used when calling the SetStatusL of this

	    						command.

	    * @publishedPartner

	    * @prototype

	    */

	    void ExecuteCommandL( const TDesC8& aURI, 

	                          const TDesC8& aLUID,

							  RWriteStream*& aStream, 

							  const TDesC8& aType,

							  TInt aStatusRef 

							);

	    /**

	    * The function implements copy command. The information about the success of

	    * the command should be returned by calling SetStatusL function of

	    * MSmlDmCallback callback interface. This makes it possible to buffer the

	    * commands.

	    * However, all the status codes for buffered commands must be returned at

	    * the latest when the CompleteOutstandingCmdsL() of adapter is called.

	    * @param aTargetURI		Target URI for the command

	    * @param aSourceLUID	LUID of the target object (if one exists, and if the adapter

    							has	earlier returned a LUID to the DM Module).   

	    * @param aSourceURI		Source URI for the command

	    * @param aSourceLUID	LUID of the source object (if the adapter has

    							earlier returned a LUID to the DM Module).   

	    * @param aType			MIME type of the objects

	    * @param aStatusRef		Reference to correct command, i.e. this reference

    							must be used when calling the SetStatusL of this

	    						command.

	    * @publishedPartner

	    * @prototype

	    */

	    void CopyCommandL( const TDesC8& aTargetURI, 

	                       const TDesC8& aTargetLUID,

						   const TDesC8& aSourceURI, 

						   const TDesC8& aSourceLUID,

						   const TDesC8& aType, 

						   TInt aStatusRef 

						 );

	    /**

	    * The function indicates start of Atomic command.

	    * @publishedPartner

	    * @prototype

	    */

	    void StartAtomicL();

	    /**

	    * The function indicates successful end of Atomic command. The adapter

	    * should commit all changes issued between StartAtomicL() and

	    * CommitAtomicL()

	    * @publishedPartner

	    * @prototype

	    */

	    void CommitAtomicL();

	    /**

	    * The function indicates unsuccessful end of Atomic command. The adapter

	    * should rollback all changes issued between StartAtomicL() and

	    * RollbackAtomicL(). If rollback fails for a command, adapter should use

	    * SetStatusL() to indicate it.

	    * @publishedPartner

	    * @prototype

	    */

	    void RollbackAtomicL();

	    /**

        * Returns ETrue if adapter supports streaming otherwise EFalse.

	    * @param aItemSize size limit for stream usage

        * @return TBool ETrue for streaming support

	    * @publishedPartner

	    * @prototype

        */

	    TBool StreamingSupport( TInt& aItemSize );

	    /**

        * Called when stream returned from UpdateLeafObjectL or ExecuteCommandL has

	    * been written to and committed. Not called when fetching item.

	    * @publishedPartner

	    * @prototype

        */	

	    void StreamCommittedL();

	    /**

	    * The function tells the adapter that all the commands of the message that

	    * can be passed to the adapter have now been passed.  This indicates that

	    * the adapter must supply status codes and results to any buffered commands.

	    * This must be done at latest by the time this function returns.

	    * This function is used at the end of SyncML messages, and during processing

	    * of Atomic.   In the case of Atomic processing, the function will be

	    * followed by a call to CommitAtomicL or RollbackAtomicL.

	    * @publishedPartner

	    * @prototype

	    */

	    void CompleteOutstandingCmdsL();

    private: // New methods

        void FillNodeInfoL( MSmlDmDDFObject& aDDFObject, 

                            TSmlDmAccessTypes& aAccessTypes, 

                            MSmlDmDDFObject::TScope aScope,

                            MSmlDmDDFObject::TDFFormat aFormat, 

                            MSmlDmDDFObject::TOccurence aOccurence,

                            const TDesC8& aDescription,

                            const TDesC8& aMIMEType );

        TPtrC8 CDevEncAdapter::LastURISeg( const TDesC8& aURI );

        HBufC8* CDevEncAdapter::AskPassWordL();

        TBool CheckBatteryL();

    private: // Constructor

        /**

        * Symbian 2nd phase constructor

        */

        void ConstructL();

        /**

        * C++ Constructor

        */    

        CDevEncAdapter( TAny* aEcomArguments );

    private: // Data

        CDevEncDiskUtils*   iDiskUtils;

        CDevEncKeyUtils*    iKeyUtils;

        CDevEncSession*     iPhoneMemorySession;

        CDevEncSession*     iMemoryCardSession;

        TInt                iStatusRef;

        TInt                iResultRef;

        HBufC8*             iPkcs5Key;

        CRepository*        iUiCenRep;

        TBool               iPhoneMemOpPending;

        TBool               iMemCardOpPending;

        TInt                iPendingCommand;

        RTimer              iTimer;

    };

#endif // __CDevEncAdapter_H

// End Of File