/*

* 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:  Synchronization handler

*

*/

#ifndef NSMLDMSYNCHANDLER_H

#define NSMLDMSYNCHANDLER_H

// INCLUDES

#include <e32base.h>

#include <AknProgressDialog.h>

#include <SyncMLObservers.h>

#include "NSmlDMProgress.h"

#include "NSmlDMSyncUtil.h"

#include "NSmlDMSyncProfile.h"

// FORWARD DECLARATIONS

class CNSmlDMSyncState;

class CNSmlDMActiveCaller;

class CEikonEnv;

class CNSmlDMSyncDocument;

class CAknWaitDialog;

// CLASS DECLARATION

/**

* CNSmlDMSyncHandler class

* 

*/

NONSHARABLE_CLASS (CNSmlDMSyncHandler) : public CBase, 

                        public MNSmlDMProgressDialogObserver,

						public MNSmlDMActiveCallerObserver,

						public MSyncMLEventObserver,

						public MSyncMLProgressObserver,

						public MProgressDialogCallback

	{

    public:

        /**

        * Two-phased constructor.

        */

	    static CNSmlDMSyncHandler* NewL( RSyncMLSession* aSyncSession,

	                                     CNSmlDMSyncAppEngine* aAppEngine,

	                                     CNSmlDMSyncDocument* aSyncDocument );

	    /**

        * Destructor.

        */

	    virtual ~CNSmlDMSyncHandler();

    private:

	    /**

        * By default Symbian 2nd phase constructor is private.

        */

	    void ConstructL();

	    /**

        * C++ default constructor.

        */

	    CNSmlDMSyncHandler( RSyncMLSession* iSyncSession,

                            CNSmlDMSyncAppEngine* aAppEngine,

	                        CNSmlDMSyncDocument* aSyncDocument );

	private:	

        /**

        * From MAspProgressDialogObserver

    	* Gets called when sync progress dialog closes.

        * @param aButtonId Button id.

        * @return None

        */

		void HandleDialogEventL( TInt aButtonId );

	private: // from MAspActiveCallerObserver

		/**

        * From MAspActiveCallerObserver

		* Called when CAspActiveCaller completes.

        * @param None

        * @return None.

        */

		void HandleActiveCallL();

    private:    // from MSyncMLEventObserver

		/**

        * From MSyncMLEventObserver

		* Called when SyncML session events oocur.

        * @param aEvent Sync event

        * @param aIdentifier Identifier for the sync event

        * @param aError Synce event error

        * @param aAdditionalData.

        * @return None.

        */

        void OnSyncMLSessionEvent( TEvent aEvent,

                                   TInt aIdentifier,

                                   TInt aError,

                                   TInt aAdditionalData );

    private:  //from MSyncMLProgressObserver

	    /**

	    * Receives notification of a synchronisation error.

        * @param aErrorLevel  The error level.

	    * @param aError		  The type of error. This is one of 

	    *                     the SyncMLError error values.	

	    * @param aTaskId      The ID of the task for which the error occurred.

	    * @param aInfo1       An integer that can contain additional

	    *                     information about the error. Normally 0.

	    * @param aInfo2       An integer that can contain additional

	    *                     information about the error. Normally 0.

	    * @return             None.

	    */

	    void OnSyncMLSyncError( TErrorLevel aErrorLevel,

	                            TInt aError,

	                            TInt aTaskId,

	                            TInt aInfo1,

	                            TInt aInfo2 );

       	/**

	    * Receives notification of synchronisation progress.

	    * @param aStatus	The current status, e.g. 'Connecting'.

	    * @param aInfo1	    An integer that can contain additional

	    *                   information about the progress.

	    * @param aInfo2	    An integer that can contain additional

        *                   information about the progress.

	    */

	    void OnSyncMLSyncProgress( TStatus aStatus, TInt aInfo1, TInt aInfo2);

	    /**

	    * Receives notification of modifications to synchronisation tasks.

        * @param aTaskId               The ID of the task.

	    * @param aClientModifications  Modifications made on 

	    *                              the clients Data Store.

	    * @param aServerModifications  Modifications made on

	    *                              the server Data Store.

	    */

	    void OnSyncMLDataSyncModifications( 

	                TInt /*aTaskId*/,

	                const TSyncMLDataSyncModifications& aClientModifications,

	                const TSyncMLDataSyncModifications& aServerModifications );

	private:

        /**

        * Shows error dialog.

		* @param None.

        * @return Error code.

        */

        void HandleSyncErrorL();

        /**

        * Called when sync completes

		* @param aError.

        * @return None.

        */        

        void SynchronizeCompletedL(TInt aError);

        /**

        * Gets sync error text.

		* @param aError.

        * @return Error text.

        */

        void GetErrorText( TDes& aErrorText,

                           TInt aErrorCode,

                           TInt aTransport );

        /**

        * Read sync error from CNSmlSyncLog and show error message.

		* @param aProfileId Profile id.

        * @return Result code.

        */

		TInt HandleSyncErrorL(TInt aProfileId);

        /**

        * Set synchronisation error message text.

		* @param aError Error code.

		* @param aMsg Error text.

        * @return None.

        */

		void SetErrorMessageL(TInt aError, TDes& aMsg);

	public:

        /**

        * Performs synchronization.

        * @param aServerName Name of the server

		* @param aProfileId Profile identifier.

		* @param aConnectionBearer Bearer

		* @param aUseFotaProgressNote Should the simplified progress note used. Only

		*                             used when checking for firmware updates.

        * @return None

        */

		void SynchronizeL( TDesC& aServerName,

		                   const TInt aProfileId,

		                   const TInt aConnectionBearer,

                           const TBool aUseFotaProgressNote );

        /**

        * Performs ServerInitiated synchronization.

        * @param aServerName Name of the server

		* @param aProfileId Profile id

		* @param aJobId Job id.

		* @param aConnectionBearer Bearer

		* @param aUseFotaProgressNote Should the simplified progress note used. Only

		*                             used when checking for firmware updates.

        * @return None

        */		

		void SynchronizeL( TDesC& aServerName, 

		                   const TInt aProfileId,

		                   const TInt aJobId,

		                   const TInt aConnectionBearer,

                           const TBool aUseFotaProgressNote );

        /**

        * Shows the progress dialog.

		* @param None.

        * @return None.

        */

        void ShowProgressDialogL();

        /**

        * Deletes the progress dialog if it exists.

		* @param None.

        * @return None.

        */

        void HideProgressDialogL();

		/**

        * Cancel synchronization.

		* @param None 

        * @return None

        */

		void CancelSynchronizeL();

        /**

        * From MProgressDialogCallback. Handles the situation when the dialog

        * is dismissed.

        * @param aButtonId The identifier of the button, with which the dialog

        *                  was dismissed.

        * @return None

        */

        void DialogDismissedL( TInt aButtonId );

	private:

        /**

        * Performs synchronization.

        * @return None

        */	

		void SynchronizeL();

		/**

        * Utility function.

        * @return Sync session.

        */

		RSyncMLSession& Session();

		/**

        * Utility function.

        * @return Progress dialog.

        */

		CNSmlDMProgressDialog* Dialog();

		/**

        * Utility function.

        * @return Sync state.

        */

		CNSmlDMSyncState* State();

    public:

		/**

        * Utility function.

        * @return ETrue if sync is currently running, EFalse otherwise.

        */

		TBool SyncRunning();

    private:

		/**

        * Checks the progress state and returns a corresponding

        * dialog text string.

        * @param Reference to the descriptor where the result is stored.

    	* @return None.

        */

        void GetStatusDialogTextL( TDes& aBuffer );

		/**

        * Updates progress dialog.

        * @param None.

    	* @return None.

        */

		void UpdateDialogL();

		/**

        * Utility function.

        * @param aText text to show

        * @param aResourceId resource id

        * @return None.

        */

        void ReadL( TDes& aText, TInt aResourceId );

		/**

        * Utility function.

        * @param aText text to show

        * @param aContent 

        * @param aCurrent Progress phase

        * @param aFinal Progress phase

        * @param aPhase Progress phase

        * @return None.

        */

        void ReadProgressTextL( TDes& aText,

                                const TDesC& aContent,

                                TInt aCurrent,

                                TInt aFinal,

                                TInt aPhase );

    private:

		// session with sync server

		RSyncMLSession*                 iSyncSession;

		// app engine

		CNSmlDMSyncAppEngine*           iSyncAppEngine;

        // Pointer to the application document class

        CNSmlDMSyncDocument*            iSyncDocument;

		// profile id

		TInt                            iProfileId;

		// sync job id

		TInt                            iSyncJobId;

		// sync job

		RSyncMLDevManJob                iSyncJob;

		// shows sync progress dialog

		CNSmlDMProgressDialog*          iProgressDialog;

        // The alternative wait dialog used in FOTA

        CAknWaitDialog*                 iWaitDialog;

        // The progress wait dialog used for any session from main view

        CNSmlDMProgressDialog*          iFotaProgressDialog;

        // CheckUpdate state shown or Not

        TBool iCheckUpdate;

		// sync handler state

		CNSmlDMSyncState*               iState;

		// for making function call via active scheduler

		CNSmlDMActiveCaller*            iActiveCaller;

		// is sync currently running

		TBool                           iSyncRunning;

		// sync error code

		TInt                            iSyncError;

		// long buffer for string handling

		TBuf<KBufSize256>               iBuf;

		//Job id

        TSmlJobId                       iJobId;

        // Bearer

        TInt                            iConnectionBearer;

        // Server name

        TBuf<KNSmlMaxProfileNameLength> iServerName;

        // Server sync

        TBool                           iServerAlertedSync;

        // Should the simpler FOTA progress not be used

        TBool                           iUseFotaProgressNote;

        // Retry sync (authentication error)

        TBool							iRetrySync;

          // Variable to show whether in fotaview or not        

        TInt  iNotinFotaView;

        // Identifies Fota progress note launched or not

        TBool iFotaProgressLaunched;

	};

#endif  // NSMLDMSYNCHANDLER_H

// End of file