/*

 * Copyright (c) 2009 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: General utilities for unified editor and plugin

 *

 */

#ifndef __UNIEDITOR_GEN_UTILS_H__

#define __UNIEDITOR_GEN_UTILS_H__

//  INCLUDES

#include <e32base.h>

#include <e32const.h>

#include "muiuutilsdefines.h"

#include "convergedmessage.h"

#include "MsgMedia.hrh"

const TInt KDefaultMaxSmsSize = 10;

// Length of one 7bit normal sms

const TInt KFirstNormalSmsLength = 160;

// Length of one unicode sms

const TInt KFirstUnicodeSmsLength = 70;

// Submsg length for normal 7bit sms

const TInt KNormalConcatenationInterval = 153;

// Submsg length for unicode sms

const TInt KUnicodeConcatenationInterval = 67;

const TInt KMaxSmsSizeByStandard = 30;

const TInt KDefaultSmsRecipients = 20;

const TInt KDefaultMmsRecipients = 100;

const TInt KDefaultMaxSize = 300 * 1024;

const TInt KEstimatedMmsSmilHeaderSize = 2.4 * 1024; // 1Kb buffer for mime headers + 1.4Kb for smil  

const TInt KEstimatedMimeHeaderSize = 1400; 

class CMsgMediaResolver;

// CLASS DECLARATION

    {

      public:

      explicit UniEditorGenUtils();

      ~UniEditorGenUtils();

      public:

        /**

        * Returns the current Email-over-Sms settings

        * @param aSmsc

        * @param aDestinationAddress

        * @param aModifiable

        * @return                   Symbian OS standard error code

        */

        TInt ReadEmailOverSmsSettingsL(

            TDes& aSmsc,

            TDes& aDestinationAddress,

            TBool& aModifiable );

        /**

        * Writes the current Email-over-Sms settings to file

        * @param aSmsc service centre, used for Email over Sms

        * @param aDestinationAddress service number, used for Email over Sms

        * @param aModifiable to check if user is allowed to modify setting

        * @return                   Symbian OS standard error code

        */

        TInt WriteEmailOverSmsSettingsL(

            const TDes& aSmsc,

            const TDes& aDestinationAddress,

            const TBool& aModifiable );

        /**

        * Checks if phone is in offline mode or not

        * Make sure that offline feature has been checked

        * using feature manager

        * @return ETrue if phone is in offline mode, otherwise EFalse.

        */

        TBool IsPhoneOfflineL();

        /**

         * Checks if email addresses are supported over sms message type

         * using feature manager

         * @return ETrue if emailoversms is suppoted

         */

        TBool AcceptEmailAddressesL();

        /**

         * Checks if the given addresslist contains a valid email address

         * @param addr converged message address list

         * @return ETrue if list contains a valid email address

         */

        TBool VerifyEmailAddressesL( ConvergedMessageAddressList addr);

       /** 

        * Gets byte-size of UTF8 formatted text

        * @param aText

        * @return Size of text in bytes

        */

        TInt UTF8Size( QString aText );

        /**

         * Get maximum recipient count for sms from feature manager

         * @return max recipient count

         */

        TInt MaxSmsRecipientsL();

        /**

         * Get maximum recipient count for mms from feature manager

         * @return max recipient count

         */

        TInt MaxMmsRecipientsL();

        /**

         * Calculates the size of the given message

         * @param msg ConvergedMessage

         * @return size of the converged message

         */

        TInt CalculateMsgSize(ConvergedMessage& msg);

        /**

         * Get the maximum size allowed for mms

         * using feature manager

         * @return max mms size

         */

        TInt MaxMmsMsgSizeL();

        /**

         * get file's size and mimetype info

         * @param filePath IN path of file

         * @param size OUT size of the given file

         * Size includes filesize + max mime headers size

         * @param mimetype OUT mimetype of the given file

         * @param mediaType OUT media-type grouping of mimetype

         */

        void getFileInfoL(QString filePath,

                        int& size,

                        QString& mimetype,

                        TMsgMediaType& mediaType);

        /**

         * get max sms size limit from feature manager

         * @param unicode if set to true limits 

         *                 will be based on Unicode charset

         * @return max sms size limit

         */

        int MaxSmsMsgSizeL(bool unicode=false);

        /**

         * Convert digits from any digit format to another format eg. from

         * european digits to arabic-indic digits.

         * @param aDes        Parameter to change. It can contain digits

         *                    from several digit types.

         * @param aDigitType  Destination digit type.

         */

        void ConvertDigitsTo( TDes& aDes, TDigitType aDigitType );

        /**

         * Identifies the digit format

         * @param ch    digit, whose format is to be recognized

         * @return      digit format

         */

        TChar NumberToBase(TChar ch);

        /**

         * Replace all control chars with a single character,

         * usually a whitespace.

         * @param   aDes         Parameter to change

         * @param   aCharacters  A set of characters to remove

         * @param   aReplacement A character used as replacement

         */

        void ReplaceCharacters(TDes &aDes, const TDesC &aChars, TChar aReplacement);

        /**

         * Checks if a given address string is a valid email address

         * @param addr address string

         * @return ETrue if addr is valid email address

         */

        TBool IsValidEmailAddress( const TDesC& aAddress );

      private:

          /**

           * get sms character limits from feature manager

           * @param singlePartLength length of one part

           * @param concatenatedPartLength total length over all parts

           * @param unicode if set to true limits 

           *                 will be based on Unicode charset

           */

          void getSmsCharacterLimits(int& singlePartLength, 

              int& concatenatedPartLength,

              bool unicode);

          /**

           * get the maximum number of parts for sms

           * using feature manager

           * @return max number of parts for the sms

           */

          int absoluteMaxSmsPartsL();

          /**

           * get the character limit for sms

           * using feature manager

           * @return sms character limit 

           */

          int absoluteMaxSmsCharactersL();

          /**

           * validate the domain portion of an email address

           */

          TBool IsValidDomain ( const TDesC& aDomain );

      private: //data

          /**

           * Read only once for optimization purpose

           * Max number of parts allowed for sms msgs

           */

          int mAbsMaxConcatenatedSms;

          /**

           * Read only once for optimization purpose

           * Character limit for sms msgs

           */

          int mAbsMaxSmsCharacters;

          /**

           * Read only once for optimization purpose

           * MMS size limit

           */

          int mMaxMmsSize;

    };

#endif //__UNIEDITOR_GEN_UTILS_H__

// End of file