/*

* Copyright (c) 2007-2009 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:

*

*/

//  INCLUDES

#ifndef _CMMSMSMESSHANDLER_H_

#define _CMMSMSMESSHANDLER_H_

#include <etelmm.h>

#include <tisi.h>

#include "mmmmesshandlerbase.h"

#include "cmmsmsgsmutility.h" // ksimsbsmsgsmisimsgmaxlength, koperatornamemaxlength

#include "cmmphonetreceiver.h"

#include "cmmsmscache.h" // cmmsmscache

#include "muiccoperationbase.h"

#include "cmmuiccmesshandler.h"

// CONSTANTS

// SMS record length, as specified in ETSI TS 31 102

// "4.2.25   EFSMS (Short messages)"

const TUint8 KSmsElemetaryFileRecordLength = 176;

// MACROS

//none

// DATA TYPES

//none

// EXTERNAL DATA STRUCTURES

//none

// FUNCTION PROTOTYPES

//none

//  FORWARD DECLARATIONS

class CMmPhoNetSender;

class CMmPhoNetReceiver;

class CMmMessageRouter;

class TIsiReceiveC;

class CMmUiccMessHandler;

//DESCRIPTION

//

//CMmSmsMessHandler is used to create and send SMS

//ISI-messages to PhoNet via PhoNetSender. It also receives SMS ISI-messages

//from PhoNet via PhoNetReceiver.

class CMmSmsMessHandler :

    public CBase,

    public MMmMessHandlerBase,

    public MMmMessageReceiver,

    public MUiccOperationBase

    {

    private: // types

        // The SMS request types are grouped into

        // the following types. Used as ISA transaction IDs.

        enum TSmsRequestType

            {

            ESmsMessagingUnknown = 0,

            ESmsMessagingGetMessageStoreInfo,

            ESmsMessagingReceiveMessage,

            ESmsMessagingSendMessage,

            ESmsMessagingSendSatMessage,

            ESmsMessagingSendNoFdnMessage,

            ESmsMessagingResumeSmsReception,

            ESmsMessagingGetSmspListPhase1,

            ESmsMessagingStoreSmspList,

            ESmsMessagingAckSmsStored,

            ESmsMessagingNackSmsStored,

            EPhoneStoreDelete,

            EPhoneStoreDeleteAll,

            EPhoneStoreWrite,

            EInternalNack,

            ESms2Cache,

            };

    //METHODS

    public:

        /**

        * Destructor

        * @return: None

        */

        ~CMmSmsMessHandler();

        /**

        * Creates a SMS MessageHandler object instance.

        * @param CMmPhoNetSender* aPhoNetSender: A pointer to PhoNet sender

        * @param CMmPhoNetReceiver* aPhoNetReceiver: pointer to PhoNet receiver

        * @param CMmMessageRouter* aMessageRouter: pointer to the message

        * router object

        * @return CMmSmsMessHandler*: Pointer to the created object

        */

        static CMmSmsMessHandler* NewL(

            CMmPhoNetSender* aPhoNetSender,

            CMmPhoNetReceiver* aPhoNetReceiver,

            CMmMessageRouter* aMessageRouter,

            CMmUiccMessHandler* aUiccMessHandler );

        /**

        * From CMessHandlerBase. This method is the single entry point for

        * requests coming from the Symbian OS layer to this message handler

        * @param TInt aIpc: IPC number of the request

        * @param const CMmDataPackage* aDataPackage: Data Package

        * @return TInt KErrNone or error code

        */

        TInt ExtFuncL( TInt aIpc, const CMmDataPackage* aDataPackage );

        /**

        * Isimsg received by PhonetReceiver

        * @param const TIsiReceiveC& aIsiMsg: The received Isi message

        */

        void ReceiveMessageL( const TIsiReceiveC& aIsiMessage );

        /**

        * Handles errors comes from PhoNetReceiver RunError

        * @param const TIsiReceiveC& aIsiMsg: The received ISI message

        * @param TInt aError: Error code

        */

        void HandleError( const TIsiReceiveC& aIsiMsg, TInt aError );

        /**

        * Start reading SMS's from SIM to cache

        * @return error code

        */

        void InitializeSmsCache();

        /**

        * Handle UICC response messages

        * @param aTraId Transaction ID

        * @param aFileData Descriptor for file data

        * @return KErrNone or error code

        */

        TInt ProcessUiccMsg(

            TInt aTraId,

            TInt aStatus,

            const TDesC8& aFileData );

    private:

        /**

        * Handle EMobileSmsMessagingGetMessageStoreInfo/EMobilePhoneStoreGetInfo

        * @return error code

        */

        TInt GetSmsStoreInfo( TInt aIpc );

        /**

        * Handle EMobilePhoneStoreDelete

        * @return error code

        */

        TInt DeleteSms( const CMmDataPackage* aDataPackage );

        /**

        * Handle EMobilePhoneStoreDeleteAll

        * @return error code

        */

        TInt DeleteAllSms();

        /**

        * Handle EMobilePhoneStoreRead

        * @return error code

        */

        TInt ReadSms( const CMmDataPackage* aDataPackage );

        /**

        * Handle EMobilePhoneStoreReadAllPhase1

        * @return error code

        */

        TInt ReadAllSmsL();

        /**

        * Handle EMobilePhoneStoreWrite

        * @return error code

        */

        TInt WriteSms( const RMobileSmsStore::TMobileGsmSmsEntryV1& aEntry,

                       TInt aIndex);

        /**

        * Constructor

        * @return: None

        */

        CMmSmsMessHandler();

        /**

        * Initialises object attributes.

        * @return None

        */

        void ConstructL();

        /**

        * Response for SmsMessageSendReq

        * @param const TIsiReceiveC& aIsiMsg: The Isi message

        * @param TInt aIpc: IPC number (ETel Messaging- or SAT-

        * originated SMS sending)

        */

        void SmsMessageSendResp(

            const TIsiReceiveC& aIsiMsg,

            TInt  aIpc );

        /**

        * Sms gsm received pp report request (Ack or Nack)

        * @param TUint8 aTransactionId: Transaction identifier

        * @param const TDesC8* aMsgData: A pointer to the Message data

        * @param TInt aRpCause: RP cause

        * @return TInt: KErrNone or error code

        */

        TInt SmsReceivedMsgReportReq(

            TUint8 aTransactionId,

            const TDesC8* aMsgData,

            TInt aRpCause );

        /**

        * Coverts RP cause value to SMS cause cause value.

        * @param aRpCause - RP Cause value

        * @return TUint8 - SMS Cause value

        */

        TUint8 SmsMapCause( TInt aRpCause );

        /**

        * Activate, deactivate or query status of SMS receiving

        * @param aAction Reception command

        * @return KErrNone or error code

        */

        TInt SmsReceiveMessageReq( TUint8 aAction );

        /**

        * Sms message send request to sms server

        * @param TUint8 aTransactionId: Transaction identifier

        * @param const CMmDataPackage* aDataPackage: Data package

        * with SMS message data and attributes

        * @param TBool aSmsCheckDisableFdn: If ETrue the sub block

        * SMS_SB_CHECK_INFO with SMS_CHECK_DISABLE_FDN is inculed

        * when SMS_MESSAGE_SEND_REQ is sent.

        * @return TInt: KErrNone or error code

        */

        TInt SmsMessageSendReq(

            TUint8 aTransactionId,

            const  CMmDataPackage* aDataPackage,

            TBool  aSmsCheckDisableFdn );

        /**

        * Creates SMS_MESSAGE_SEND_REQ ISI message with all needed

        * subblocks and sends it to SMS server.

        * @param aTransactionId Transaction ID

        * @param aMsgAttr Message attributes

        * @param aMsgData TPDU

        * @param aSubblockId Subblock ID

        * @param TBool aSmsCheckDisableFdn: If ETrue the sub block

        * SMS_SB_CHECK_INFO with SMS_CHECK_DISABLE_FDN is inculed

        * when SMS_MESSAGE_SEND_REQ is sent.

        * @return Symbian error code

        */

        TInt CreateSmsMessageSendReq(

            TUint8 aTransactionId,

            RMobileSmsMessaging::TMobileSmsSendAttributesV1* aMsgAttr,

            const TDesC8& aMsgData,

            TUint8 aSubblockId,

            TBool aSmsCheckDisableFdn );

        /**

        * Response to SMS_RECEIVED_MSG_REQ.

        * @param aIsiMsg ISI message

        */

        void SmsReceiveMessageResp( const TIsiReceiveC& aIsiMsg );

        /**

        * Incoming SMS message

        * @param const TIsiReceiveC& aIsiMsg: The ISI message

        */

        void SmsReceivedMsgInd( const TIsiReceiveC& aIsiMsg );

        /**

        * Read received class2 SMS that has just been stored

        * to SIM card

        * @param TIsiReceiveC* aIsiMsg: A pointer to Isi message

        * @return TInt: KErrNone

        */

        TInt ReadReceivedClass2Sms( TIsiReceiveC* aIsiMsg );

        /**

        * Response for SmsReceivedMsgReportReq

        * @param const TIsiReceiveC& aIsiMsg: Isi message

        */

        void SmsReceivedMsgReportResp( const TIsiReceiveC& aIsiMsg );

        // SIM Server responses

        /**

        * SIM Server responses

        * @param const TIsiReceiveC& aIsiMsg: The received Isi message

        * @return TInt: KErrNone

        */

        TInt SimStSmsWriteResp( const TIsiReceiveC& aIsiMsg );

        /**

        * Build Service Centre Address

        * @param RMobilePhone::TMobileAddress const& scPtr: Pointer to

        * Service center

        * @param TDes8& aScAddress: Service centre address

        * @return void: None

        */

        void BuildScAddress(

            RMobilePhone::TMobileAddress const & scPtr,

            TDes8& aScAddress ) const;

        /**

        * Build Destination Address

        * @param RMobilePhone::TMobileAddress const& scPtr: Service centre ptr

        * @param TDes8& aScAddress: Destination address

        * @return void: None

        */

        void BuildDeAddress(

            RMobilePhone::TMobileAddress const & scPtr,

            TDes8& aDeAddress ) const;

        /**

        * Check message datacoding scheme

        * @param TUint8 dcs: Data coding scheme

        * @return TBool: ETrue if 7bit, else EFalse

        */

        TBool IsDataCodingScheme7Bit( TUint8 aDcs ) const;

        /**

        * Calculate number of characters in user data

        * @param TUint8 aCharacterAmount: Character amount (from ISI message)

        * @param TUint8 aDataLength: Data length in bytes (from ISI message)

        * @param TPtrC8 const& aUserData: User data

        * @return TUint8: number of characters in user data

        */

        TUint8 CalculateNumberOfCharsInUserData(

            TUint8 aCharacterAmount,

            TUint8 aDataLength,

            TPtrC8 const& aUserData ) const;

        /**

        * Check if the SMS is from class2 or not

        * @param const TIsiReceiveC& aIsiMsg: The Isi message

        * @param TUint8& aSmsClass2ReplaceTpPid: set to tppid to replace

        * @return TBool: ETrue is SMS Class is Class2

        */

        TBool IsSmsClass2(

            const TIsiReceiveC& aIsiMsg,

            TUint8& aSmsClass2ReplaceTpPid );

        /**

        * Checks if aReadSmsIsiMsg contains same TP-PID as

        * aReceivedTpPid, and same sender number and Service Center number

        * as aReceivedSmsIsiMsg.

        * @param TUint8 aReceivedTpPid: received TP-PID

        * @param const TIsiReceiveC& aReceivedSmsIsiMsg: received isi msg

        * @param TDesC8& aSMSOnSIM: SMS stored on SIM

        */

        TBool CheckTpPidAndSenderAndServiceCenter(

            TUint8 aReceivedTpPid,

            const TIsiReceiveC& aReceivedSmsIsiMsg,

            RMobileSmsStore::TMobileGsmSmsEntryV1* aSMSOnSIM );

        /**

        * Sends a SMS_SETTINGS_UPDATE_REQ (updates only the route

        * setting) and saves the bearer setting in iMobileSmsBearer.

        * @param RMobileSmsMessaging::TMobileSmsBearer& aBearer : Preferred

        * SMS Bearer (CS or PS)

        * @return TInt: KErrNone or error code

        */

        TInt SmsSettingsUpdateReq(

            RMobileSmsMessaging::TMobileSmsBearer& aBearer );

        /**

        * Response for SmsSettingsUpdateReq

        * @param const TIsiReceiveC& aIsiMsg: The receiced ISI message

        * @return void

        */

        void SmsSettingsUpdateResp( const TIsiReceiveC& aIsiMsg );

        /**

        * Processes class2 SMS. Called by

        * CMmSmsMessHandler::SmsReceivedMsgInd.

        * @param const TIsiReceiveC& aIsiMsg received ISI-message

        * @param TUint8 aIsReplace: is this replacement

        * @return TInt system-wide error code

        * @note does not complete request on error

        */

        TInt SmsClass2ReceivedMsgInd( const TIsiReceiveC& aIsiMsg,

                TUint8 aIsReplace );

        /**

        * Processes class1 SMS. Called by

        * CMmSmsMessHandler::SmsReceivedMsgInd.

        * @param const TIsiReceiveC& aIsiMsg received ISI-message

        * @return TInt system-wide error code

        * @note does not complete request on error

        */

        TInt SmsClass1ReceivedMsgInd( const TIsiReceiveC& aIsiMsg );

        /**

        * Returns the length of destination address field from TPDU

        * @param aMsgData SMS TPDU

        * @param subBlockId Subblock ID

        * @param aDestAddressLength Reference to destination address length

        * @return Symbian error code

        */

        TInt GetDestAddressLength(

            const TDesC8& aMsgData,

            TUint8 subBlockId,

            TUint8& aDestAddressLength ) const;

        /**

        * Creates SMS_SB_SUBMIT subblock and appends it to ISI message

        * @param aMsgData SMS TPDU

        * @param aIsiMsg ISI message

        * @param aDestAddressLength Destination address length

        * @param aMsgOffset Offset of ISI message where to append subblock

        * @return void

        */

        void BuildSmsSbSubmit(

            const TDesC8& aMsgData,

            TIsiSend& aIsiMsg,

            TUint8 aDestAddressLength,

            TUint8 aMsgOffset ) const;

        /**

        * Creates SMS_SB_COMMAND subblock and appends it to ISI message

        * @param aMsgData SMS TPDU

        * @param aIsiMsg ISI message

        * @param aMsgOffset Offset of ISI message where to append subblock

        * @return void

        */

        void BuildSmsSbCommand(

            const TDesC8& aMsgData,

            TIsiSend& aIsiMsg,

            TUint8 aMsgOffset ) const;

        /**

        * Creates SMS_SB_ADDRESS subblock and appends it to ISI message

        * @param aAddress Address data

        * @param aIsiMsg ISI message

        * @param aAddressType Address type

        * @param aMsgOffset Offset of ISI message where to append subblock

        * @return Length of created subblock

        */

        TUint8 BuildSmsSbAddress(

            const TDesC8& aAddress,

            TIsiSend& aIsiMsg,

            TUint8 aAddressType,

            TUint8 aMsgOffset ) const;

        /**

        * Creates SMS_SB_USER_DATA subblock and appends it to ISI message

        * @param aMsgData SMS TPDU

        * @param aIsiMsg ISI message

        * @param aTpUdl User data length from TPDU

        * @param aTpUserDataIndex Index of user data in TPDU

        * @param aDefaultAlphabet Is 7-bit coding used

        * @param aMsgOffset Offset of ISI message where to append subblock

        * @return Length of created subblock

        */

        TUint8 BuildSmsSbUserData(

            const TDesC8& aMsgData,

            TIsiSend& aIsiMsg,

            TUint8 aTpUdl,

            TUint8 aTpUserDataIndex,

            TBool aDefaultAlphabet,

            TUint8 aMsgOffset ) const;

        /**

        * Creates SMS_SB_VALIDITY_PERIOD subblock and appends it to ISI message

        * @param aMsgData SMS TPDU

        * @param aIsiMsg ISI message

        * @param aTpVpIndex Index of validity period in TPDU

        * @param aTpVpLength Length of validity period

        * @param aMsgOffset Offset of ISI message where to append subblock

        * @return void

        */

        void BuildSmsSbValidityPeriod(

            const TDesC8& aMsgData,

            TIsiSend& aIsiMsg,

            TUint8 aTpVpIndex,

            TUint8 aTpVpLength,

            TUint8 aMsgOffset )const;

        /**

        * Creates SMS_SB_CHECK_INFO sub block with SMS_CHECK_DISABLE_FDN and appends it

        * to ISI message.

        * @param aIsiMsg ISI message

        * @param aMsgOffset Offset of ISI message where to append subblock

        * @return void

        */

        void BuildSmsCheckInfo(

            TIsiSend& aIsiMsg,

            TUint8 aMsgOffset )const;

        /**

        * Read SMS or EF SMS record count from SIM/USIM

        * @param aRecordId (If record count is requested this value has no

        * effect => may be set e.g. 0 or FF)

        * @param aTrId Transaction ID:

        * - ETrIdReadSMS when SMS is read from certain record.

        * - ETrIdReadSMSRecordCount when EF SMS record count is requested.

        * @return Error code

        */

        TInt UiccReadSMSOrSMSRecordCountReq( const TUint8 aRecordId,

                                             const TUiccTrId aTrId );

        /**

        * Read Class 2 SMS from SIM/USIM response

        * @param aStatus Status