FCL/sf/app/messaging: comparison mmsengine/mmscodec/src/mmsencode.cpp

equal deleted inserted replaced

--1:000000000000
+:72b543305e3a
+/*
+* Copyright (c) 2002-2009 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:
+*     binary encoding of a multimedia message
+*
+*/
+//#define CONTENT_DISPOSITION_TEST
+// INCLUDE FILES
+#include    <e32std.h>
+#include    <apparc.h>
+#include    <s32mem.h>
+#include    <msventry.h>
+#include    <utf.h>
+#include    <e32math.h>
+#include    <msvids.h>
+#include    <escapeutils.h>
+#include    <badesca.h>
+#include    <mmsvattachmentmanager.h>
+#include    <mmsvattachmentmanagersync.h>
+#include    <cmsvmimeheaders.h>
+#include    <imcvcodc.h>
+#include    <msgtextutils.h>
+#include    <msvstore.h>
+#include    <charconv.h>
+#include    <centralrepository.h>          // link against centralrepository.lib
+#include    "MmsEnginePrivateCRKeys.h"
+#include    "mmsheaders.h"
+#include    "mmsconst.h"
+#include    "mmscodec.h"
+#include    "mmsencode.h"
+#include    "mmsservercommon.h"
+#include    "mmssession.h"
+#include    "mmsgenutils.h"
+#include    "mmserrors.h"
+#include    "mmsentrywrapper.h"
+#include    "mmsmmboxmessageheaders.h"
+#include    "mmsmmboxviewheaders.h"
+#include    "mmssendingchain.h"
+const TInt KMmsExtra = 1024; // extra memory left for others
+const TInt KMmsShortIntegerLimit127 = 127; // limit for short integer length
+const TInt KMmsOneByteLimit = 0x100;
+const TInt KMmsTwoByteLimit = 0x10000;
+const TInt KMmsThreeByteLimit = 0x1000000;
+const TInt KMms2 = 2;
+const TInt KMms3 = 3;
+const TInt KMms4 = 4;
+const TInt KMms5 = 5;
+const TInt KMms7 = 7;
+const TInt KMms8 = 8;
+const TInt KMms24 = 24; // shift of three half bytes
+const TInt KMms30 = 30; // upper limit for short length encoding
+const TUint8 KMms0x80 = 0x80; // 128
+const TUint8 KMms0x7F = 0x7F; // 127
+const TUint8 KMms0xFF = 0xFF;
+const TInt KMmsMaxCidLength = 18;
+// max filename length according to MMS conformance specs
+const TInt KMmsMaxFileNameLength = 40;
+// if 40 bytes are encoded in base 64, the result is 56 bytes
+// (two bytes of padding are needed to make the number divisible by 3)
+const TInt KMaxEncodingLength = 56;
+// Maximum length of output buffer needed for encoding the filename
+// Max 56 bytes for actual encoding and 12 bytes for character set (utf8)
+// and encoding scheme indicator 68 for final result, but we allocate
+// the maximum Mime header length to be sure everything fits.
+const TInt KMaxNameBufferLength = 75;
+const TInt KMmsEncodingExtraLength = 12;
+const TInt KMmsPreambleLength = 10;
+_LIT8( KMmsQuotedPreamble, "=?utf-8?Q?" );
+_LIT8( KMmsBase64Preamble, "=?utf-8?B?" );
+_LIT8( KMmsEncodingTrailer, "?=" );
+const TInt KMmsIntUnderscore = 0x5F; // underscore
+enum TMmsMachineStates
+{
+EMmsIdle,
+EMmsEncodingHeaders,
+EMmsEncodingAttachments,
+EMmsFinished
+};
+// These are the stages for chunked encoding.
+// The chunked encoding is synchronous, so the stages are different
+// from the machine states.
+enum TMmsChunkedEncodingStages
+{
+EMmsHeaders,
+EMmsAttachmentHeaders,
+EMmsAttachmentData
+};
+// ==================== LOCAL FUNCTIONS ====================
+// ================= MEMBER FUNCTIONS =======================
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that
+// might leave.
+//
+// All member variables are automatically zeroed in the constructor
+// of a class derived from CBase.
+// Priority is set slightly above standard (1 instead of 0) to make sure
+// that message is sent as soon as possible (user input has priority 10).
+// Variables related to chunked encoding are initialized to indicate
+// one complete chunk only.
+// ---------------------------------------------------------------------------
+//
+CMmsEncode::CMmsEncode()
+:CMsgActive ( KMmsActiveObjectPriority ),
+iState ( EMmsIdle ),
+iOverallDataSize ( -1 ),
+iLastChunk ( ETrue ),
+iOnlyOneChunk( ETrue )
+{
+}
+// ---------------------------------------------------------------------------
+// Symbian OS default constructor can leave.
+// ---------------------------------------------------------------------------
+//
+void CMmsEncode::ConstructL( RFs& aFs )
+{
+iFs = aFs;
+CActiveScheduler::Add( this );
+}
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CMmsEncode* CMmsEncode::NewL( RFs& aFs )
+{
+CMmsEncode* self = new ( ELeave ) CMmsEncode;
+CleanupStack::PushL( self );
+self->ConstructL( aFs );
+CleanupStack::Pop( self );
+return self;
+}
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CMmsEncode::~CMmsEncode()
+{
+Cancel();
+if ( iFileOpen )
+{
+iAttachFile.Close();
+iFileOpen = EFalse;
+}
+// Do not delete pointers that were presents from the caller.
+// The caller still owns that data
+delete iMimeHeaders; // this is ours too.
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+EXPORT_C void CMmsEncode::StartL(
+MMmsEntryWrapper& aEntryWrapper,
+CMmsHeaders& aMmsHeaders,
+CBufFlat& aEncodeBuffer,
+TRequestStatus& aStatus )
+{
+// This is the entry point for encoding all PDUs that contain both headers
+// and data.
+// For normal use the only PDUs in this category would be M-send.req and
+// M-MBox-Upload.req, but for testing purposes the following PDUs may
+// also be handled using this entry point:
+// M-retrieve.conf (for testing purposes)
+// M-Mbox-View.conf (for testing purposes)
+// M-Mbox-Descr (for testing purposes)
+// Old asynchronous encoding is retained.
+// Reset sets all chunk-related variables to indicate one chunk which is the last one
+Reset();
+iEntryWrapper = &aEntryWrapper;
+iMmsHeaders = &aMmsHeaders;
+iEncodeBuffer = &aEncodeBuffer;
+if ( iMimeHeaders )
+{
+iMimeHeaders->Reset();
+}
+else
+{
+iMimeHeaders = CMsvMimeHeaders::NewL();
+}
+// We need to know the message entry ID
+// The wrapper originally points to the message entry
+TMsvEntry indexEntry;
+iError = iEntryWrapper->GetIndexEntry( indexEntry );
+iCurrentMessageId = indexEntry.Id();
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+// Only new attachment structure is supported
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+iNumberOfAttachments = attachMan.AttachmentCount();
+CleanupStack::PopAndDestroy( store );
+Queue( aStatus );
+iStatus = KRequestPending;
+SetActive();
+// Pretend that we called an asynchronous service
+// in order to get into the state machine loop
+TRequestStatus* status = &iStatus;
+User::RequestComplete( status, iError );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+EXPORT_C void CMmsEncode::EncodeHeadersL(
+CMmsHeaders& aMmsHeaders,
+CBufFlat& aEncodeBuffer )
+{
+// This function is used to encode all PDUs that contain only headers,
+// not data. Some are responses sent to MMSC, some are requests that
+// contain headers only.
+// Nothing is read from storage, everything to be encoded is contained
+// in the headers.
+// No active object is invoked, this is a synchronous function
+// Old one-chunk encoding is retained for encoding headers only.
+// Reset sets all chunk-related variables to indicate one chunk which is the last one
+Reset(); // also sets iError to KErrNone
+iMmsHeaders = &aMmsHeaders;
+iEncodeBuffer = &aEncodeBuffer;
+// start from the beginning
+iPosition = 0;
+// we discard old contents of the buffer in case we must expand it
+iEncodeBuffer->Reset();
+// We are a bit greedy here so that we don't need
+// to change the code if there is a minor change in the specs.
+iEncodeBuffer->ResizeL( iMmsHeaders->Size() + KMMSBufferExtra );
+// encode message depending on type
+// these are all types that contain headers only, never data
+switch ( iMmsHeaders->MessageType() )
+{
+case KMmsMessageTypeMNotifyRespInd:
+EncodeNotifyResponse();
+break;
+case KMmsMessageTypeAcknowledgeInd:
+EncodeAcknowledgeIndication();
+break;
+case KMmsMessageTypeMNotificationInd:
+EncodeMmsNotificationL();
+break;
+case KMmsMessageTypeForwardReq:
+EncodeForwardRequestL();
+break;
+case KMmsMessageTypeReadRecInd:
+EncodeReadReplyL();
+break;
+case KMmsMessageTypeMboxStoreReq:
+EncodeMMBoxStoreRequestL();
+break;
+case KMmsMessageTypeMboxViewReq:
+// This may contain keywords. Reserve some extra space
+EncodeMMBoxViewRequestL();
+break;
+case KMmsMessageTypeMBoxDeleteReq:
+case KMmsMessageTypeDeleteReq:
+EncodeDeleteRequestL();
+break;
+case KMmsMessageTypeCancelConf:
+EncodeCancelResponse();
+break;
+case KMmsMessageTypeReadOrigInd:
+// This is for testing purposes.
+// identical to ReadRecInd except for PDU type
+// This would be the PDU sent to originator by MMSC
+EncodeReadReplyL();
+break;
+case KMmsMessageTypeMSendConf:
+// for testing purposes
+EncodeSendConfirmationL();
+break;
+case KMmsMessageTypeDeliveryInd:
+// for testing purposes
+EncodeDeliveryReportL();
+break;
+case KMmsMessageTypeForwardConf:
+// for testing purposes
+EncodeForwardConfirmationL();
+break;
+case KMmsMessageTypeMboxStoreConf:
+// for testing purposes
+EncodeMMBoxStoreConfirmationL();
+break;
+case KMmsMessageTypeMBoxUploadConf:
+// for testing purposes
+EncodeMMBoxUploadConfirmationL();
+break;
+case KMmsMessageTypeMBoxDeleteConf:
+case KMmsMessageTypeDeleteConf:
+// for testing purposes
+EncodeDeleteConfirmationL();
+break;
+case KMmsMessageTypeCancelReq:
+// for testing purposes
+EncodeCancelRequest();
+break;
+#ifdef __WINS__
+case KMmsMessageTypeMSendReq:
+EncodeSendRequestHeadersL();
+break;
+case KMmsMessageTypeMBoxUploadReq:
+// This type has attachments and headers
+// This function encodes headers only
+EncodeMMBoxUploadRequestL();
+break;
+case KMmsMessageTypeMRetrieveConf:
+// for test purposes
+EncodeRetrieveConfirmationL();
+break;
+case KMmsMessageTypeMboxViewConf:
+// for test purposes
+EncodeMMBoxViewConfirmationL();
+break;
+case KMmsMessageTypeMBoxDescr:
+// for test purposes
+EncodeMMBoxDescriptionL();
+break;
+#endif
+default:
+// Illegal message type.
+iEncodeBuffer->Reset();
+iPosition = 0;
+break;
+}
+// Remove slack to keep garbage out from the end of the file
+iEncodeBuffer->ResizeL( iPosition );
+// Dump the buffer contents into file if requested
+Dump();
+iOverallDataSize = iEncodeBuffer->Size();
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+EXPORT_C void CMmsEncode::StartChunkedL(
+MMmsEntryWrapper& aEntryWrapper,
+CMmsHeaders& aMmsHeaders,
+CBufFlat& aEncodeBuffer,
+TRequestStatus& aStatus )
+{
+// This is the entry point for chunked encoding all PDUs that contain both headers
+// and data.
+// Reset sets all chunk-related variables to indicate one chunk which is the last one
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode: Start chunked") );
+#endif
+Reset(); // also sets iError to KErrNone
+iDataSupplierStage = EMmsHeaders;
+iEntryWrapper = &aEntryWrapper;
+iMmsHeaders = &aMmsHeaders;
+iEncodeBuffer = &aEncodeBuffer;
+if ( iMimeHeaders )
+{
+iMimeHeaders->Reset();
+}
+else
+{
+iMimeHeaders = CMsvMimeHeaders::NewL();
+}
+// We need to know the message entry ID
+// The wrapper originally points to the message entry
+TMsvEntry indexEntry;
+iError = iEntryWrapper->GetIndexEntry( indexEntry );
+iCurrentMessageId = indexEntry.Id();
+// Encode headers to the buffer
+// The rest will follow when next data chunk is requested.
+EncodeHeadersChunkedL();
+	aStatus=KRequestPending;
+TRequestStatus* status = &aStatus;
+User::RequestComplete( status, iError );
+}
+// ---------------------------------------------------------
+// From class MMmsCodecDataSupplier
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::GetNextDataPart( TPtrC8& aDataPart, TBool& aLastDataChunk )
+{
+TInt error = KErrNone;
+if ( !iEncodeBuffer || iEncodeBuffer->Size() == 0 )
+{
+// called out of context or no message data available
+error = KErrNotFound;
+}
+else
+{
+aDataPart.Set( iEncodeBuffer->BackPtr( iPosition ) );
+}
+aLastDataChunk = iLastChunk;
+return error;
+}
+// ---------------------------------------------------------
+// From class MMmsCodecDataSupplier
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::ReleaseData()
+{
+if ( iOnlyOneChunk )
+{
+// if we have only one chunk we always point to the beginning
+// the buffer gets cleared when all data has been handled
+return KErrNone;
+}
+iPosition = 0;
+// encode next data part into the buffer
+if ( iDataSupplierStage == EMmsAttachmentHeaders && iNumberOfAttachments == 0 )
+{
+iLastChunk = ETrue;
+iDataSupplierStage = EMmsHeaders;
+}
+else if ( iDataSupplierStage == EMmsAttachmentHeaders )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("- data supplier stage: Attachment headers") );
+#endif
+iError = iEntryWrapper->SetCurrentEntry( iCurrentMessageId );
+if ( iError != KErrNone )
+{
+return iError;
+}
+iCurrentFileSize = 0;
+CMsvStore* store = NULL;
+TRAP( iError,
+{
+store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+iCurrentFileSize = EncodeHeadersAndGetFileL( attachMan );
+CleanupStack::PopAndDestroy( store );
+});
+if ( iError != KErrNone )
+{
+return iError;
+}
+// Now we have the attachment headers in our buffer.
+// If there is room, put data there, too
+if ( iBufferSize - iPosition >= iCurrentFileSize )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("- enough room left in buffer for attachment data") );
+#endif
+EncodeAttachmentData( iAttachFile, iCurrentFileSize );
+iPosition += iCurrentFileSize;
+iAttachFile.Close();
+iFileOpen = EFalse;
+iCurrentAttachment++;
+if ( iCurrentAttachment >= iNumberOfAttachments )
+{
+iLastChunk = ETrue;
+iDataSupplierStage = EMmsHeaders;
+}
+else
+{
+// one attachment finished - move to next one
+iDataSupplierStage = EMmsAttachmentHeaders;
+}
+}
+else
+{
+iDataSupplierStage = EMmsAttachmentData;
+}
+}
+else if ( iDataSupplierStage == EMmsAttachmentData )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("- data supplier stage: Attachment data") );
+#endif
+// Add as much attachment data as possible.
+// Attachment file is now open, check position
+TInt filePosition = 0;
+iError = iAttachFile.Seek( ESeekCurrent, filePosition );
+if ( iError != KErrNone )
+{
+return iError;
+}
+TInt dataLeft = iCurrentFileSize - filePosition;
+TInt roomLeft = iBufferSize - iPosition;
+if ( roomLeft >= dataLeft )
+{
+EncodeAttachmentData( iAttachFile, dataLeft );
+iPosition += dataLeft;
+iAttachFile.Close();
+iFileOpen = EFalse;
+iCurrentAttachment++;
+if ( iCurrentAttachment >= iNumberOfAttachments )
+{
+iLastChunk = ETrue;
+iDataSupplierStage = EMmsHeaders;
+}
+else
+{
+// one attachment finished - move to next one
+iDataSupplierStage = EMmsAttachmentHeaders;
+}
+}
+else
+{
+// we have more data than fits into buffer
+EncodeAttachmentData( iAttachFile, roomLeft );
+iPosition += roomLeft;
+// We don't close the file because we still have data.
+// We stay in EMmsAttachmentHeaders state
+}
+}
+else
+{
+// do nothing, keep LINT happy
+}
+#ifndef _NO_MMSS_LOGGING_
+if ( iDataSupplierStage == EMmsHeaders )
+{
+TMmsLogger::Log( _L("- last chunk released") );
+TMmsLogger::Log( _L("- data supplier stage: MMS headers") );
+}
+#endif
+// If we have reached the end and have been asked to release data
+// we have nothing left to do.
+// dump what we got into file - if needed
+if ( iPosition > 0 )
+{
+DumpAppend();
+}
+return iError;
+}
+// ---------------------------------------------------------
+// From class MMmsCodecDataSupplier
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::OverallDataSize()
+{
+// If we have encoded all data, iOverallDataSize contains the
+// actual amount of data.
+// If we are doing chunked encoding, it contains -1.
+return iOverallDataSize;
+}
+// ---------------------------------------------------------
+// From class MMmsCodecDataSupplier
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::ResetSupplier()
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode: ResetSupplier") );
+#endif
+if ( iOnlyOneChunk )
+{
+// if we have only one chunk we always point to the beginning
+// the buffer gets cleared when all data has been handled
+return KErrNone;
+}
+// start data from the beginning
+iError = KErrNone;
+iDataSupplierStage = EMmsHeaders;
+TRAP( iError, EncodeHeadersChunkedL() );
+return iError;
+}
+// ---------------------------------------------------------
+// From class CMsgActive
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::DoRunL()
+{
+// This routine takes the state machine through the states
+// until an error is encountered or the cycle completes.
+if ( iError != KErrNone )
+{
+// We encountered an error, and cannot continue
+// For the time being we just give up without trying
+// to do any decent cleanup.
+iStatus = iError;
+// If we return from DoRunL without becoming active again,
+// RunL completes.
+return;
+}
+if ( iState != EMmsFinished )
+{
+SelectNextState();
+// If appropriate, ChangeStateL makes us active again
+ChangeStateL();
+}
+else
+{
+// We are done, we must become idle again
+FinishL();
+iStatus = iError;
+// If we return from DoRunL without becoming active again,
+// RunL completes.
+}
+// As we are using standard Mentact RunL, we must leave
+// if we have encountered an error, and do not want to continue
+if ( iError != KErrNone && !IsActive() )
+{
+iPosition = 0;
+FinishL();
+User::Leave( iError );
+}
+}
+// ---------------------------------------------------------
+// From class CMsgActive
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::DoComplete( TInt& /* aStatus */ )
+{
+// We are exiting the loop - we say we are idle now
+iState = EMmsIdle;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::SelectNextState()
+{
+// If appropriate, the functions called within the switch statement
+// will make us active again. If all is done, the asynchronous request
+// will complete
+switch ( iState )
+{
+case EMmsIdle:
+// start the loop
+iState = EMmsEncodingHeaders;
+break;
+case EMmsEncodingHeaders:
+if ( iNumberOfAttachments > 0 )
+{
+iState = EMmsEncodingAttachments;
+}
+else
+{
+iState = EMmsFinished;
+}
+break;
+case EMmsEncodingAttachments:
+// if there are more attachments, don't change state
+if ( iCurrentAttachment >= iNumberOfAttachments )
+{
+iState = EMmsFinished;
+}
+break;
+case EMmsFinished:
+// No more states
+iState = EMmsIdle;
+break;
+default:
+// Illegal state
+break;
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::ChangeStateL()
+{
+switch ( iState )
+{
+case EMmsEncodingHeaders:
+EncodeHeadersL();
+break;
+case EMmsEncodingAttachments:
+EncodeAttachmentL();
+iCurrentAttachment++;
+break;
+case EMmsFinished:
+FinishL();
+break;
+default:
+// Should not be here anymore
+break;
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::Reset()
+{
+// close open file in case operation has ended with error
+// and the attachment file is still open
+if ( iFileOpen )
+{
+iAttachFile.Close();
+iFileOpen = EFalse;
+}
+iNumberOfAttachments = 0;
+iCurrentAttachment = 0;
+iError = KErrNone;
+iCurrentMessageId = KMsvNullIndexEntryId;
+iOverallDataSize = -1;
+iLastChunk = ETrue;
+iOnlyOneChunk = ETrue;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeHeadersL()
+{
+// start from the beginning
+iPosition = 0;
+// we discard old contents of the buffer in case we must expand it
+iEncodeBuffer->Reset();
+// calculate space needed and resize buffer
+TInt size = 0;
+size += iMmsHeaders->Size();
+User::LeaveIfError( iEntryWrapper->SetCurrentEntry( iCurrentMessageId ) );
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+// AttachmentsSize function asks actual size from files
+// in case the info in CMsvAttachment is not up to date.
+// This function leaves if the attachment file is not found.
+// A message cannot be sent if it refers to attachment files that no
+// longer exist.
+size += iEntryWrapper->AttachmentsSizeL( *store );
+CleanupStack::PopAndDestroy( store );
+store = NULL;
+size += KMMSBufferExtra; // this is just an estimate of header size...
+// extra needed if lots of attachments.
+size += KMMSAttachmentExtra * iNumberOfAttachments;
+TMemoryInfoV1Buf memory;
+UserHal::MemoryInfo( memory );
+TInt available = memory().iFreeRamInBytes;
+// check that buffer fits, leave a little memory for others too.
+if ( size > ( available - KMmsExtra ) )
+{
+// message is too big - don't even try
+iError = KMmsErrorMessageTooBig;
+}
+if ( iError == KErrNone )
+{
+iEncodeBuffer->ResizeL( size );
+EncodeRequestHeadersL();
+}
+iStatus = KRequestPending;
+SetActive();
+// We complete ourselves.
+TRequestStatus* status = &iStatus;
+User::RequestComplete( status, iError );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeHeadersChunkedL()
+{
+// The first step of chunked encoding
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: start") );
+#endif /* _NO_MMSS_LOGGING_ */
+User::LeaveIfError( iEntryWrapper->SetCurrentEntry( iCurrentMessageId ) );
+/* Korean req: 415-5434
+* Get the target encoding MIB enum from cenrep and encode MMS text objects using coresponding conversion plugins
+*/
+TInt temp;
+iTargetEncodingType = 0;
+CRepository* repository = CRepository::NewLC( KUidMmsServerMtm );
+if ( repository->Get( KMmsEncodingType, temp ) == KErrNone )
+{
+iTargetEncodingType = temp;
+}
+CleanupStack::PopAndDestroy( repository );
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: target encoding type: %d"), iTargetEncodingType );
+#endif /* _NO_MMSS_LOGGING_ */
+if( iTargetEncodingType != 0 )
+{
+TRAPD( err, PreProcessAttachmentDataL() );
+#ifndef _NO_MMSS_LOGGING_
+/* if any error, korean specific encoding failed, But this should not stop from sending MMS using
+* existing default encoding. Hence just log the error and continue in any case
+*/
+if( err != KErrNone )
+{
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: PreProcessAttachmentDataL error: %d"), err );
+}
+#endif /* _NO_MMSS_LOGGING_ */
+}
+//Open store for read-only purpose
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+// Only new attachment structure is supported
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+iNumberOfAttachments = attachMan.AttachmentCount();
+TInt size = 0;
+size += iMmsHeaders->Size();
+size += KMMSBufferExtra; // this is just an estimate of header size...
+// The buffer must be at least big enough to hold all headers
+iBufferSize = Max( KMmsChunkedBufferSize, size );
+// extra needed if lots of attachments.
+// AttachmentsSize function asks actual size from files
+// in case the info in CMsvAttachment is not up to date.
+// This function leaves if the attachment file is not found.
+// A message cannot be sent if it refers to attachment files that no
+// longer exist.
+size += iEntryWrapper->AttachmentsSizeL( *store );
+size += KMMSAttachmentExtra * iNumberOfAttachments;
+CleanupStack::PopAndDestroy( store );
+store = NULL;
+if ( iBufferSize > size )
+{
+// Our message is small enough to be sent in one chunk.
+// It does not make sense to send the message in small chunks
+// it the total is only a few kilobytes
+iBufferSize = size;
+iOnlyOneChunk = ETrue;
+iLastChunk = ETrue;
+}
+else
+{
+// we need several chunks
+iOnlyOneChunk = EFalse;
+iLastChunk = EFalse;
+}
+// start from the beginning
+iPosition = 0;
+iEncodeBuffer->Reset();
+// This leaves if unable to resize.
+// We try to keep our buffer small enough so that this does not leave.
+iEncodeBuffer->ResizeL( iBufferSize );
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: MMS buff Size(Approx): %d"), iBufferSize );
+#endif /* _NO_MMSS_LOGGING_ */        // The message is small enough to be sent as one chunk
+EncodeRequestHeadersL();
+TInt i = 0;
+if ( iOnlyOneChunk )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: only one chunk") );
+#endif /* _NO_MMSS_LOGGING_ */        // The message is small enough to be sent as one chunk
+for ( i = 0; ( i < iNumberOfAttachments ) && ( iError == KErrNone ); i++ )
+{
+iCurrentAttachment = i;
+// encode attachments, too, as we have decided that our message
+// is small enough to fit into the buffer as one chunk
+// DoEncodeAttachment always encodes iCurrentAttachment
+// and updates buffer position as needed.
+DoEncodeAttachmentL();
+// If something goes wrong, DoEncodeAttachmentL() sets iError,
+// and StartChunkedL will complete the caller with error.
+}
+iEncodeBuffer->ResizeL( iPosition );
+iOverallDataSize = iEncodeBuffer->Size();
+}
+else
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: Multiple chunks") );
+#endif /* _NO_MMSS_LOGGING_ */        // The message is small enough to be sent as one chunk
+// chunked sending - but it should be possible to calculate data size
+iOverallDataSize = iPosition; // This is the amount taken by headers
+// The message is small enough to be sent as one chunk
+for ( i = 0; ( i < iNumberOfAttachments ) && ( iError == KErrNone ); i++ )
+{
+iCurrentAttachment = i;
+// encode attachments, too, as we have decided that our message
+// is small enough to fit into the buffer as one chunk
+// DoEncodeAttachment always encodes iCurrentAttachment
+// and updates buffer position as needed.
+iOverallDataSize += DoGetAttachmentEncodingLengthL();
+// If something goes wrong, DoEncodeAttachmentL() sets iError,
+// and StartChunkedL will complete the caller with error.
+}
+iCurrentAttachment = 0;
+iDataSupplierStage = EMmsAttachmentHeaders;
+if ( iError != KErrNone )
+{
+iOverallDataSize = -1;
+}
+}
+// Dump headers. More data will follow
+Dump();
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::EncodeHeadersChunkedL:: end") );
+#endif /* _NO_MMSS_LOGGING_ */        // The message is small enough to be sent as one chunk
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeAttachmentL()
+{
+DoEncodeAttachmentL();
+if ( iError != KErrNone )
+{
+// If we return without becoming active again, RunL completes
+// we cannot send this message, because we cannot access attachments
+return;
+}
+iStatus = KRequestPending;
+SetActive();
+// Now we indicate we already did it.
+TRequestStatus* status = &iStatus;
+User::RequestComplete( status, iError );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::DoEncodeAttachmentL()
+{
+// Encode one part
+// We must calculate length of headers and content type
+User::LeaveIfError( iEntryWrapper->SetCurrentEntry( iCurrentMessageId ) );
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+TInt size = 0;
+size = EncodeHeadersAndGetFileL( attachMan );
+if ( iError != KErrNone )
+{
+CleanupStack::PopAndDestroy( store );
+return;
+}
+// The data read function will not leave
+EncodeAttachmentData( iAttachFile, size );
+iPosition += size;
+iAttachFile.Close();
+CleanupStack::PopAndDestroy( store );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::DoGetAttachmentEncodingLengthL()
+{
+// calculate length of headers and content type
+User::LeaveIfError( iEntryWrapper->SetCurrentEntry( iCurrentMessageId ) );
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+TInt size = 0;
+size = GetHeadersAndFileSizeL( attachMan );
+CleanupStack::PopAndDestroy( store );
+return size;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::EncodeHeadersAndGetFileL( MMsvAttachmentManager& aAttachMan )
+{
+CMsvAttachment* attachmentInfo = NULL;
+attachmentInfo = aAttachMan.GetAttachmentInfoL( iCurrentAttachment );
+CleanupStack::PushL( attachmentInfo );
+iMimeHeaders->RestoreL( *attachmentInfo );
+// We don't trust the info, we ask the file itself
+// Someone outside the messaging system may have changed the file
+// without changing the attachment info
+TInt size = 0;
+if ( iFileOpen )
+{
+// close file in case we have been reset while the file is still open
+iAttachFile.Close();
+iFileOpen = EFalse;
+}
+iAttachFile = aAttachMan.GetAttachmentFileL( iCurrentAttachment );
+iError = iAttachFile.Size( size );
+iAttachFile.Close();
+if ( iError != KErrNone )
+{
+CleanupStack::PopAndDestroy( attachmentInfo );
+return size;
+}
+// calculate the length of the headers
+TBool foundName = EFalse;
+TUint contentTypeSize = 0;
+TInt8 contentType = -1; // indicate not found
+TPtrC8 contentTypeString;
+TUint headerSize = 0;
+HBufC8* buf8 = CalculateAttachmentHeaderLengthL(
+*attachmentInfo,
+headerSize,
+foundName,
+contentTypeSize,
+contentType,
+contentTypeString );
+CleanupStack::PushL( buf8 );
+// We have calculated the header length, now we can encode:
+TPtrC8 nameString;
+if ( !foundName && buf8 )
+{
+nameString.Set( buf8->Des() );
+}
+EncodeAttachmentHeadersL(
+size,
+headerSize,
+foundName,
+contentTypeSize,
+contentType,
+contentTypeString,
+nameString );
+// now we have put the name all over, we can destroy the buffer
+CleanupStack::PopAndDestroy( buf8 );
+buf8 = NULL;
+CleanupStack::PopAndDestroy( attachmentInfo );
+attachmentInfo = NULL;
+// Now just write all the data octets
+iAttachFile = aAttachMan.GetAttachmentFileL( iCurrentAttachment );
+iFileOpen = ETrue;
+return size;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::GetHeadersAndFileSizeL( MMsvAttachmentManager& aAttachMan )
+{
+CMsvAttachment* attachmentInfo = NULL;
+attachmentInfo = aAttachMan.GetAttachmentInfoL( iCurrentAttachment );
+CleanupStack::PushL( attachmentInfo );
+iMimeHeaders->RestoreL( *attachmentInfo );
+// We don't trust the info, we ask the file itself
+// Someone outside the messaging system may have changed the file
+// without changing the attachment info
+TInt size = 0;
+if ( iFileOpen )
+{
+// close file in case we have been reset while the file is still open
+iAttachFile.Close();
+iFileOpen = EFalse;
+}
+iAttachFile = aAttachMan.GetAttachmentFileL( iCurrentAttachment );
+iError = iAttachFile.Size( size );
+iAttachFile.Close();
+if ( iError != KErrNone )
+{
+CleanupStack::PopAndDestroy( attachmentInfo );
+return 0;
+}
+// calculate the length of the headers
+TBool foundName = EFalse;
+TUint contentTypeSize = 0;
+TInt8 contentType = -1; // indicate not found
+TPtrC8 contentTypeString;
+TUint headerSize = 0;
+HBufC8* buf8 = CalculateAttachmentHeaderLengthL(
+*attachmentInfo,
+headerSize,
+foundName,
+contentTypeSize,
+contentType,
+contentTypeString );
+delete buf8; // This is not needed
+buf8 = NULL;
+CleanupStack::PopAndDestroy( attachmentInfo );
+attachmentInfo = NULL;
+// We have calculated the header length, now we still need the
+// uintvar lengths:
+size += GetUintvarLength( size ); // encoding size for attachment length
+size += headerSize;
+size += GetUintvarLength( headerSize ); // encoding size for header length
+return size;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+HBufC8* CMmsEncode::CalculateAttachmentHeaderLengthL(
+CMsvAttachment& aAttachmentInfo,
+TUint& aHeaderLength,
+TBool& aFoundName,
+TUint& aContentTypeSize,
+TInt8& aContentType,
+TPtrC8& aContentTypeString  )
+{
+TInt numNonSafe = 0; // number of characters in filename that would require encoding
+// Not all content types have parameters.
+// The only parameter we can handle to some extent
+// is the character set parameter for text content types.
+// The name parameter will always be added if not already present
+// Check if we have well-known media.
+aContentType = -1; // indicate not found
+aContentTypeString.Set( aAttachmentInfo.MimeType() );
+if ( aContentTypeString.Length() == 0 )
+{
+// take type from mime headers
+HBufC8* tempContentType = HBufC8::NewL(
+iMimeHeaders->ContentType().Length() +
+iMimeHeaders->ContentSubType().Length() + 1 );
+CleanupStack::PushL( tempContentType );
+tempContentType->Des().Copy( iMimeHeaders->ContentType() );
+if ( ( iMimeHeaders->ContentType().Find( KMmsSlash8 ) !=
+( iMimeHeaders->ContentType().Length() - 1 ) ) &&
+( iMimeHeaders->ContentSubType().Find( KMmsSlash8 ) != 0 ) &&
+( iMimeHeaders->ContentSubType().Length() != 0 ) )
+{
+tempContentType->Des().Append( KMmsSlash8 );
+}
+tempContentType->Des().Append( iMimeHeaders->ContentSubType() );
+aAttachmentInfo.SetMimeTypeL( tempContentType->Des() );
+CleanupStack::PopAndDestroy( tempContentType );
+aContentTypeString.Set( aAttachmentInfo.MimeType() );
+}
+TInt8 i;
+for ( i = 0; i < KNumberContentTypes && aContentType < 0; i++ )
+{
+if ( aContentTypeString.CompareF(
+TPtrC8( KContentTypeTable[i] ) ) == 0 )
+{
+aContentType = i;
+}
+}
+if ( aContentTypeString.Length() == 0 )
+{
+aContentTypeString.Set( KMmsUnknownType );
+aContentType = -1;
+}
+// we always add the name parameter to content type, so we always
+// use the general form. If no name is given, we use the original filename
+// If the name parameter is defined, we use it.
+aFoundName = EFalse;
+iFileName.SetLength( 0 );
+aHeaderLength = 0;
+// add media type length
+if ( aContentType >= 0 )
+{
+// well-known media
+aHeaderLength += 1;
+}
+else
+{
+// Extension media
+aHeaderLength += aContentTypeString.Length();
+aHeaderLength += 1; // terminating zero
+}
+// If we have paramters, we must calculate their length.
+if ( iMimeHeaders->MimeCharset() != 0 )
+{
+// charset has well-known encoding
+aHeaderLength += 1;
+if ( iMimeHeaders->MimeCharset() <= KMmsShortIntegerLimit127 )
+{
+// short integer
+aHeaderLength += 1;
+}
+else if ( iMimeHeaders->MimeCharset() < KMmsOneByteLimit )
+{
+// long integer, short length + 1 byte of value
+aHeaderLength += KMms2;
+}
+else if ( iMimeHeaders->MimeCharset() < KMmsTwoByteLimit )
+{
+// long integer, short length + 2 bytes of value
+// so far I don't know any IANA numbers that would
+// take more than two hex bytes.
+aHeaderLength += KMms3;
+}
+else if ( iMimeHeaders->MimeCharset() < KMmsThreeByteLimit )
+{
+// long integer, short length + 3 bytes of value
+aHeaderLength += KMms4;
+}
+else
+{
+// long integer, short length + 4 bytes of value
+// cannot be longer than this in any case
+aHeaderLength += KMms5;
+}
+}
+// Then the rest of the parameters, unknown,
+// sent as text strings
+// If "name" attribute has been defined, we use it.
+// if it is not added, we must add it.
+// We must ensure that we don't add it twice...
+TInt mimeHeaderCount = iMimeHeaders->ContentTypeParams().MdcaCount();
+for ( i = 0; i < mimeHeaderCount; i++ )
+{
+// If we have corrupted parameters (length of name is zero)
+// we skip the name/value pair.
+// value may be zero, it will be encoded as just the terminating zero
+if ( i%2 == 0 &&
+iMimeHeaders->ContentTypeParams().MdcaPoint( i ).Length() == 0 )
+{
+i++;
+}
+else
+{
+// 8-byte string size + terminating zero
+// If parameter has no value, it still must have
+// the "no-value" indicator (just the terminating zero.)
+if ( iMimeHeaders->ContentTypeParams().MdcaPoint( i ).CompareF(
+KWspNameString ) == 0 && i%2 == 0 )
+{
+if ( ( i + 1 ) < mimeHeaderCount &&
+IsStringSafe( iMimeHeaders->ContentTypeParams().MdcaPoint( i + 1 ),
+numNonSafe ) )
+{
+// We always move the name to the first item.
+// It may be this parameter or something else
+// Content type parameters are 8-bit strings.
+// We can use the name only if it is safe, otherwise it may contain some
+// unknown encoding (maybe utf-8).
+iFileName.Copy( ( iMimeHeaders->ContentTypeParams().
+MdcaPoint( i + 1 ) ).Right( KMmsMaxFileName ) );
+i++;
+}
+else
+{
+// Skip the next field as it can only be used if it is safe
+i++;
+}
+}
+else
+{
+aHeaderLength += iMimeHeaders->ContentTypeParams().MdcaPoint( i ).Length() + 1;
+}
+}
+}
+if ( ( iMimeHeaders->ContentTypeParams().MdcaCount() % 2 ) == 1 )
+{
+// Odd number. Obviously last paramter has no value.
+// Add the "no value" token
+aHeaderLength++;
+}
+// include name parameter to content-type
+// if the name was not among our mime headers,
+// we must add it.
+TInt nameLength = 0;
+// We prefer the suggested filename as the content type name parameter.
+// If version is 1.3 or later, we can encode a non-safe filename.
+// If suggested filename is not safe, but we already have a safe filename
+// in iFilename, we don't override it if version is 1.2 or lower
+if ( iMimeHeaders->SuggestedFilename().Length() > 0 )
+{
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 ||
+IsStringSafe( iMimeHeaders->SuggestedFilename() ) ||
+iFileName.Length() == 0 )
+{
+iFileName.Copy( iMimeHeaders->SuggestedFilename().Right( KMmsMaxFileName ) );
+}
+}
+TParse* parse = NULL;
+// If we don't have a filename suggestion so far, we just use the
+// actual filename the attachment manager has used to save the file.
+if ( iFileName.Length() == 0 )
+{
+parse = new( ELeave )TParse;
+CleanupStack::PushL( parse );
+// aAttachmentInfo.FilePath() is an actual Symbian filename including path
+// so it never can be too long to fit into TParse or TFilename
+parse->Set( aAttachmentInfo.FilePath(), NULL, NULL );
+iFileName.Copy( parse->NameAndExt() );
+CleanupStack::PopAndDestroy( parse );
+parse = NULL;
+}
+// Last effort:
+// If our version is 1.2 or lower and the filename suggestion so far
+// is not safe, we try content-location. It is always safe
+if ( iMmsHeaders->MmsVersion() <= KMmsVersion12 &&
+!IsStringSafe( iFileName ) )
+{
+if ( iMimeHeaders->ContentLocation().Length() > 0 )
+{
+// content location should be safe.
+// However, we must make sure it contains no URI escapes.
+// for example space is legal in filename, but not in URI.
+HBufC16* decoded = NULL;
+TRAPD( error, ( decoded = EscapeUtils::EscapeDecodeL(
+iMimeHeaders->ContentLocation() ) ) );
+if ( error == KErrNone )
+{
+iFileName.Copy( decoded->Des().Right( KMmsMaxFileName ) );
+delete decoded;
+decoded = NULL;
+}
+else
+{
+iFileName.Copy( iMimeHeaders->ContentLocation().Right( KMmsMaxFileName ) );
+}
+}
+}
+// remove leading and trailing spaces just in case...
+iFileName.Trim();
+// We should now make sure that the filename is not too long.
+// According to MMS conformance specs, the maximum should be 40 characters
+// It is unclear if the characters mean the total length or the length
+// after conversion to utf-8, but as a first approximation we try
+// to ensure that the total does not exceed 40 characters
+nameLength = iFileName.Length();
+if ( nameLength > KMmsMaxFileNameLength )
+{
+parse = new( ELeave )TParse;
+CleanupStack::PushL( parse );
+parse->Set( aAttachmentInfo.FilePath(), NULL, NULL );
+iFileName.Copy( parse->Name().Left( KMmsMaxFileNameLength - parse->Ext().Length() ) );
+iFileName.Append( parse->Ext() );
+CleanupStack::PopAndDestroy( parse );
+parse = NULL;
+nameLength = iFileName.Length();
+}
+// If encoding version is <=1.2, make filename safe,
+// otherwise use MIME encoding (either base64 or quoted printable)
+HBufC8* buf8 = NULL;
+TPtrC16 originalName;
+TBuf16<1> oneCharacter;
+originalName.Set( iFileName );
+TInt j;
+if ( IsStringSafe( iFileName ) )
+{
+// filename only contains us-ascii characters - use as is
+buf8 = HBufC8::NewL( nameLength );
+CleanupStack::PushL( buf8 );
+buf8->Des().Copy( iFileName );
+}
+else
+{
+if ( iMmsHeaders->MmsVersion() <= KMmsVersion12 )
+{
+// if version is <= 1.2, the filename must be us-ascii
+// replace all illegal characters by underscore
+buf8 = HBufC8::NewL( nameLength );
+CleanupStack::PushL( buf8 );
+for ( j = 0; j < nameLength; j++ )
+{
+oneCharacter.Copy( originalName.Mid( j, 1 ) );
+if ( !IsStringSafe( oneCharacter ) )
+{
+_LIT( KMmsUnderscore, "_" );
+oneCharacter.Copy( KMmsUnderscore );
+}
+buf8->Des().Append( oneCharacter );
+}
+}
+else
+{
+// MMS encapsulation version is 1.3 or later
+// Using non-ascii characters in filename parameter is allowed
+// The filename must be encoded either using base64 or quoted printable
+HBufC8* temp = NULL;
+temp = CnvUtfConverter::ConvertFromUnicodeToUtf8L( originalName );
+CleanupStack::PushL( temp );
+// Now we have the filename in utf-8.
+// We must check if it contains non-ascii, and if it does,
+// we must use base64 or quoted-printable encoding.
+TInt numNonSafe;
+// Actually we know already that we are not safe. We just need
+// to get the number of non-ascii characters
+IsStringSafe( temp->Des(), numNonSafe );
+// We prefer quoted printable as it looks nicer in case we have mostly ascii,
+// and it leaves extension in cleartext anyway
+if ( ( temp->Des().Length() + ( KMms2 * numNonSafe ) ) <= KMaxEncodingLength )
+{
+// use quoted printable, but first convert spaces to underscores
+TInt spacePosition = temp->Des().Find( KSpace8 );
+while ( spacePosition != KErrNotFound )
+{
+temp->Des()[ spacePosition ] = KMmsIntUnderscore;
+spacePosition = temp->Des().Find( KSpace8 );
+}
+buf8 = EncodeQuotedPrintableWordL( temp->Des() );
+}
+else
+{
+// use base64
+// We have not restricted the filename length in utf-8 format,
+// so it may be way longer than 40 bytes.
+// However, we can calculate the length the buffer needs, so we
+// can try. However, we may end up with some soft line break in
+// the middle of the parameter which may not be acceptable.
+buf8 = EncodeBase64WordL( temp->Des() );
+}
+CleanupStack::PopAndDestroy( temp );
+CleanupStack::PushL( buf8 );
+// we must change nameLength here
+}
+}
+// The name is now in buf8, either just copied or encoded
+nameLength = buf8->Des().Length();
+if ( aFoundName == EFalse )
+{
+// well-known encoding for the header itself
+aHeaderLength++;
+aHeaderLength += nameLength;
+aHeaderLength += 1; // terminating zero
+}
+aContentTypeSize = aHeaderLength;
+// As we have general form (at least name parameter), we need to indicate the length
+if ( aContentTypeSize <= KMms30 )
+{
+// short length
+aHeaderLength += 1;
+}
+else
+{
+// length quote + at least one byte of uintvar
+aHeaderLength += KMms2;
+// Expecting over 128 bytes is paranoid.
+if ( aContentTypeSize >= KMms0x7F )
+{
+aHeaderLength++;
+}
+}
+// Now the rest of the mime headers:
+// Content-location
+// just a short integer + a null terminated string
+if ( iMimeHeaders->ContentLocation().Length() > 0 )
+{
+aHeaderLength += 1; // encoding of header as short integer
+// If we want to make sure we are safe,
+// we must call IsStringSafe() function.
+// We just assume we are safe now.
+aHeaderLength += iMimeHeaders->ContentLocation().Length();
+aHeaderLength += 1; // terminating zero
+}
+// Content-ID
+if ( iMimeHeaders->ContentId().Length() > 0 )
+{
+aHeaderLength += 1; // encoding of header as short integer
+// add terminating zero and preceding quote.
+// (needed according to WSP 1.3)
+aHeaderLength += iMimeHeaders->ContentId().Length() + KMms2;
+if ( iMimeHeaders->ContentId().Find( KMmsLeftAngle ) != 0 )
+{
+aHeaderLength += KMms2; // we must add angle bracket
+}
+}
+// x-type parameters
+// Must be stored as name/value pairs like content-type parameters
+// X-parameter[i] = parameter name
+// X-parameter[i+1] = parameter value
+for ( i = 0; i < iMimeHeaders->XTypeParams().MdcaCount(); i++ )
+{
+// If we have corrupted parameters (length of name is zero)
+// we skip the name/value pair.
+// value may be zero, it will be encoded as just the terminating zero
+if ( i%2 == 0 &&
+( iMimeHeaders->XTypeParams().MdcaPoint( i ).Length() == 0  ||
+iMimeHeaders->XTypeParams().MdcaPoint( i ).CompareF(
+KMmsSeparateDeliveryOmaXHeader ) == 0 ) )
+{
+// We skip the header and its value if
+// a) the header length is 0
+// b) the header is X-Oma-Drm-Separate-Delivery
+i++;
+}
+else
+{
+aHeaderLength += iMimeHeaders->XTypeParams().MdcaPoint( i ).Length() + 1;
+}
+}
+if ( ( iMimeHeaders->XTypeParams().MdcaCount() % 2 ) == 1 )
+{
+// Odd number. Obviously last paramter has no value.
+// Add the "no value" token
+aHeaderLength++;
+}
+// THESE ARE NOT IMPLEMENTED
+// Content-disposition & parameters
+// Content-description
+// Content-base
+// Relative path
+// version
+#ifdef CONTENT_DISPOSITION_TEST
+// not supported
+// We generate a general header for content disposition
+// for tests we use the actual filename.
+// In real life the user's filename should not be
+// sent out to the world
+// Fixed coding:
+// Content Disposition, value length, attachment, filename,
+// actual filename + terminating 0
+// attachment, filename, terminating zero
+// content disposition should be text-string, not quoted text string
+TInt contentDispositionLength = KMms3 + nameLength;
+TInt valueLengthLength = 1;
+if ( contentDispositionLength > KMms30 )
+{
+// lengths 0 - 30 are encoded using "short length"
+valueLengthLength++;
+//
+if ( contentDispositionLength > ShortIntegerLimit127 )
+{
+valueLengthLength++;
+}
+// Should never be longer than this.
+// I don't think anybody has a filename that is longer than 16383 bytes.
+}
+aHeaderLength += valueLengthLength + contentDispositionLength + 1;
+#endif
+CleanupStack::Pop( buf8 );
+return buf8; // caller will delete this afterwards
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeAttachmentHeadersL(
+TUint aSize,
+TUint aHeaderSize,
+TBool aFoundName,
+TUint aContentTypeSize,
+TInt8 aContentType,
+TPtrC8& aContentTypeString,
+TPtrC8& aNameString )
+{
+EncodeUintvar( aHeaderSize );
+EncodeUintvar( aSize );
+TUint8 temp = 0; // used to set the high bit for integers
+// if we have character set (or other parameters),
+// we must use general encoding
+EncodeValueLength( aContentTypeSize );
+if ( aContentType >= 0 )
+{
+temp = aContentType | KMms0x80;
+iEncodeBuffer->Write( iPosition, &temp, 1 );
+iPosition++;
+}
+else
+{
+// we assume this is a safe string
+EncodeTextString( aContentTypeString );
+}
+// Then content type parameters. Mainly character set,
+// but maybe something else, too
+temp = KWspCharset | KMms0x80; // encode as short integer
+EncodeOptionalInteger( temp, iMimeHeaders->MimeCharset() );
+// if we didn't find "Name" parameter among our paramters, we
+// put it first.
+// we need the name later anyway...
+if ( !aFoundName )
+{
+temp = KWspName | KMms0x80; // encode as short integer
+EncodeHeaderAndTextString( temp, aNameString );
+}
+// Then the rest of content type parameters, just text strings.
+TInt i = 0;
+for ( i = 0; i < iMimeHeaders->ContentTypeParams().MdcaCount(); i++ )
+{
+// If we have corrupted parameters (length of name is zero)
+// we skip the name/value pair.
+// value may be zero, it will be encoded as just the terminating zero
+if ( i%2 == 0 &&
+iMimeHeaders->ContentTypeParams().MdcaPoint( i ).Length() == 0 )
+{
+i++;
+}
+else
+{
+// 8-byte string + terminating zero
+// If parameter has no value, it still must have
+// the "no-value" indicator (just the terminating zero.)
+// The ContentTypeParameters function provides
+// an empty string in this case.
+if ( iMimeHeaders->ContentTypeParams().MdcaPoint( i ).CompareF(
+KWspNameString ) == 0 && i%2 == 0 )
+{
+if ( aFoundName )
+{
+temp = KWspName | KMms0x80; // encode as short integer
+iEncodeBuffer->Write( iPosition, &temp, 1 );
+iPosition++;
+}
+else
+{
+// we can use name from mime headers only if it is "safe"
+// (contains only us-ascii characters)
+// If the name is not safe, the parameter value is skipped
+i++;
+}
+}
+else
+{
+EncodeTextString(
+iMimeHeaders->ContentTypeParams().MdcaPoint( i ) );
+}
+}
+}
+if ( ( iMimeHeaders->ContentTypeParams().MdcaCount() % 2 ) == 1 )
+{
+// Odd number. Obviously last paramter has no value.
+// Add the "no value" token
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+}
+// content-location
+temp = KWspContentLocation | KMms0x80; // encode as short integer
+EncodeOptionalStringL( temp, iMimeHeaders->ContentLocation() );
+// content-id
+if ( iMimeHeaders->ContentId().Length() > 0 )
+{
+HBufC8* tempContentId = HBufC8::NewL( iMimeHeaders->ContentId().Length() + KMms2 );
+CleanupStack::PushL( tempContentId );
+if ( iMimeHeaders->ContentId().Find( KMmsLeftAngle ) != 0 )
+{
+tempContentId->Des().Copy( KMmsLeftAngle );
+tempContentId->Des().Append( iMimeHeaders->ContentId() );
+tempContentId->Des().Append( KMmsRightAngle );
+}
+else
+{
+tempContentId->Des().Copy( iMimeHeaders->ContentId() );
+}
+temp = KWspContentId | KMms0x80; // encode as short integer
+iEncodeBuffer->Write( iPosition, &temp, 1 );
+iPosition++;
+EncodeQuotedTextString( tempContentId->Des() );
+CleanupStack::PopAndDestroy( tempContentId );
+}
+#ifdef CONTENT_DISPOSITION_TEST
+// not supported
+temp = 0x2E | KMms0x80; // content disposition
+iEncodeBuffer->Write( iPosition, &temp, 1 );
+iPosition++;
+EncodeValueLength( contentDispositionLength );
+temp = 0x81; // attachment
+iEncodeBuffer->Write( iPosition, &temp, 1 );
+iPosition++;
+temp = 0x06 | KMms0x80; // filename
+// filename should be text-string, not quoted
+EncodeHeaderAndTextString( temp, buf8->Des() );
+#endif
+// x-type parameters
+for ( i = 0; i < iMimeHeaders->XTypeParams().MdcaCount(); i++ )
+{
+// If we have corrupted parameters (length of name is zero)
+// we skip the name/value pair.
+// value may be zero, it will be encoded as just the terminating zero
+if ( i%2 == 0 &&
+( iMimeHeaders->XTypeParams().MdcaPoint( i ).Length() == 0  ||
+iMimeHeaders->XTypeParams().MdcaPoint( i ).CompareF(
+KMmsSeparateDeliveryOmaXHeader ) == 0 ) )
+{
+// We skip the header and its value if
+// a) the header length is 0
+// b) the header is X-Oma-Drm-Separate-Delivery
+i++;
+}
+else
+{
+// 8-byte string + terminating zero
+// If parameter has no value, it still must have
+// the "no-value" indicator (just the terminating zero.)
+// The ContentTypeParameters function provides
+// an empty string in this case.
+EncodeTextString( iMimeHeaders->XTypeParams().MdcaPoint( i ) );
+}
+}
+if ( ( iMimeHeaders->XTypeParams().MdcaCount() % 2 ) == 1 )
+{
+// Odd number. Obviously last paramter has no value.
+// Add the "no value" token
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+}
+// End of MIME headers
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeAttachmentData( RFile& aAttachFile, TInt aSize )
+{
+// read the attachment file
+// set up a pointer to point to iEncodeBuffer at iPosition
+TPtr8 pos = iEncodeBuffer->Ptr( iPosition );
+// Attachemnt may be a file attacment or a linked file.
+// The file pointer will point to unread part if file is read in chunks
+iError = aAttachFile.Read( pos, aSize );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::FinishL()
+{
+// Remove slack to keep garbage out from the end of the file
+iEncodeBuffer->ResizeL( iPosition );
+iOverallDataSize = iEncodeBuffer->Size();
+iState = EMmsIdle;
+// Dump the buffer contents into file if requested
+Dump();
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeRequestHeadersL()
+{
+// encode message depending on type
+switch ( iMmsHeaders->MessageType() )
+{
+// KMmsMessageTypeMNotifyRespInd and KMmsMessageTypeAcknowledgeInd and all other PDUs
+// that contain only headers and no data should be handled by
+// using function
+// EncodeHeadersL(CMmsHeaders& aMmsHeaders,CBufFlat& aEncodeBuffer)
+case KMmsMessageTypeMSendReq:
+EncodeSendRequestHeadersL();
+break;
+case KMmsMessageTypeMBoxUploadReq:
+// This type has attachments and headers
+EncodeMMBoxUploadRequestL();
+break;
+case KMmsMessageTypeMRetrieveConf:
+// for test purposes
+EncodeRetrieveConfirmationL();
+break;
+case KMmsMessageTypeMboxViewConf:
+// for test purposes
+EncodeMMBoxViewConfirmationL();
+break;
+case KMmsMessageTypeMBoxDescr:
+// for test purposes
+EncodeMMBoxDescriptionL();
+break;
+default:
+iError = KMmsErrorUnknownMessageType;
+break;
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeSendRequestHeadersL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMSendReq,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+// if we have set a date, insert it
+EncodeDate( iMmsHeaders->Date() );
+// If we have set the sender, encode it
+// If not, we ask MMSC to add the sender
+EncodeSenderL( iMmsHeaders->Sender() );
+// All recipient lists. If no recipients in some of the lists,
+// nothing is encoded, no need to check separately
+EncodeRecipientL( iMmsHeaders->ToRecipients(), EMmsTo );
+EncodeRecipientL( iMmsHeaders->CcRecipients(), EMmsCc );
+EncodeRecipientL( iMmsHeaders->BccRecipients(), EMmsBcc );
+// Subject
+EncodeOptionalStringL( KMmsAssignedSubject, iMmsHeaders->Subject() );
+// Message class
+EncodeOptionalByte( KMmsAssignedMessageClass,
+iMmsHeaders->MessageClass() );
+// Expiration time
+EncodeOptionalIntervalOrDate( KMmsAssignedExpiry,
+iMmsHeaders->ExpiryInterval(),
+iMmsHeaders->ExpiryDate() );
+// Delivery time
+EncodeOptionalIntervalOrDate( KMmsAssignedDeliveryTime,
+iMmsHeaders->DeliveryTimeInterval(),
+iMmsHeaders->DeliveryDate() );
+// Priority
+EncodeOptionalByte( KMmsAssignedPriority, iMmsHeaders->MessagePriority() );
+// Sender visibility
+EncodeOptionalByte( KMmsAssignedSenderVisibility,
+iMmsHeaders->SenderVisibility() );
+// Delivery report
+EncodeOptionalByte( KMmsAssignedDeliveryReport,
+iMmsHeaders->DeliveryReport() );
+// Read reply
+EncodeOptionalByte( KMmsAssignedReadReply, iMmsHeaders->ReadReply() );
+// MMS encapsulation 1.1 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion1 )
+{
+// Do we want to specify reply charging
+if ( iMmsHeaders->ReplyCharging() == KMmsReplyChargingRequested ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingRequestedTextOnly )
+{
+// Reply charging value
+EncodeOptionalByte( KMmsAssignedReplyCharging,
+iMmsHeaders->ReplyCharging() );
+// Reply charging deadline
+EncodeOptionalIntervalOrDate( KMmsAssignedReplyChargingDeadline,
+iMmsHeaders->ReplyChargingInterval(),
+iMmsHeaders->ReplyChargingDate() );
+// Reply charging size
+EncodeReplyChargingSize( iMmsHeaders->ReplyChargingSize() );
+}
+// Reply charging ID
+EncodeOptionalString( KMmsAssignedReplyChargingID,
+iMmsHeaders->ReplyChargingId() );
+}
+if ( iMmsHeaders->MmsVersion() > KMmsVersion11 )
+{
+// MMBox related headers - optional
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-Mms-MM-Store
+EncodeOptionalByte( KMmsAssignedMmsStore,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsStore() );
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsStore() == KMmsYes )
+{
+// X-Mms-MM-State
+EncodeOptionalByte( KMmsAssignedMMState,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsMMState() );
+// X-MMs-MM-Flags
+// The keyword token should always be "add" or "remove"
+EncodeKeywordArrayL();
+}
+}
+}
+// Add encapsulation version 1.3 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 )
+{
+// X-Mms-Applic-ID, X-Mms-Reply-Applic-ID and X-Mms-Aux-Applic-Info
+EncodeApplicationHeadersL();
+// X-Mms-Content-Class
+EncodeOptionalByte( KMmsAssignedContentClass, iMmsHeaders->ContentClass() );
+// X-Mms-DRM-Content
+EncodeOptionalByte( KMmsAssignedDrmContent, iMmsHeaders->DrmContent() );
+// X-Mms-Adaptation-Allowed
+EncodeOptionalByte( KMmsAssignedAdaptationAllowed, iMmsHeaders->AdaptationAllowed() );
+}
+// Get Root TMsvId from headers if set
+TMsvAttachmentId rootId = iMmsHeaders->MessageRoot();
+TInt error = KErrNone;
+// If we are handling headers only, we may not have iEntryWrapper
+if ( iEntryWrapper )
+{
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+TRAP( error,
+{
+CMsvAttachment* attachmentInfo = attachMan.GetAttachmentInfoL(
+(TMsvAttachmentId) rootId );
+delete attachmentInfo; // we just wanted to check that it was found
+}
+);
+CleanupStack::PopAndDestroy( store );
+}
+// If we have a valid root part, we send the message as multipart/related.
+// Otherwise we send it as multipart mixed.
+// We don't try to guess what the root is supposed to be, if it
+// is not specified or does not point to an existing attachment.
+if ( error == KErrNone && rootId != 0 && iEntryWrapper )
+{
+EncodeMultipartRelatedHeaderL( rootId );
+}
+else
+{
+EncodeMultipartMixedHeaderL();
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeNotifyResponse()
+{
+// version may be current version or 1.0
+// Only byte is used. iMmsHeaders controls the value.
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMNotifyRespInd, iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// insert message status
+EncodeMandatoryByte( KMmsAssignedStatus, iMmsHeaders->Status() );
+// insert report allowed if present
+EncodeOptionalByte( KMmsAssignedReportAllowed,
+iMmsHeaders->ReportAllowed() );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeAcknowledgeIndication()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeAcknowledgeInd,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+// insert report allowed if present
+EncodeOptionalByte( KMmsAssignedReportAllowed,
+iMmsHeaders->ReportAllowed() );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMmsNotificationL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMNotificationInd,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+// for notification sender is optional - added only if it is known
+if ( iMmsHeaders->Sender().Length() > 0 )
+{
+EncodeSenderL( iMmsHeaders->Sender() );
+}
+EncodeOptionalStringL( KMmsAssignedSubject, iMmsHeaders->Subject() );
+EncodeOptionalByte( KMmsAssignedDeliveryReport,
+iMmsHeaders->DeliveryReport() );
+EncodeOptionalByte( KMmsAssignedMessageClass,
+iMmsHeaders->MessageClass() );
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMessageSize, 1 );
+iPosition++;
+TInt64 size = iMmsHeaders->MessageSize();
+EncodeLongInteger( size );
+EncodeOptionalIntervalOrDate( KMmsAssignedExpiry,
+iMmsHeaders->ExpiryInterval(),
+iMmsHeaders->ExpiryDate() );
+// version 1.1 fields - optional
+// reply-charging
+// reply-charging deadline
+// reply-charging size
+// reply-charging ID
+if ( iMmsHeaders->MmsVersion() > KMmsVersion1 )
+{
+// Do we want to specify
+if ( iMmsHeaders->ReplyCharging() == KMmsReplyChargingAccepted ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingAcceptedTextOnly )
+{
+// Reply charging value
+EncodeOptionalByte( KMmsAssignedReplyCharging,
+iMmsHeaders->ReplyCharging() );
+// Reply charging deadline
+EncodeOptionalIntervalOrDate( KMmsAssignedReplyChargingDeadline,
+iMmsHeaders->ReplyChargingInterval(),
+iMmsHeaders->ReplyChargingDate() );
+// Reply charging size
+EncodeReplyChargingSize( iMmsHeaders->ReplyChargingSize() );
+}
+// if this is a reply, we may specify the ID
+// Reply charging ID
+EncodeOptionalString( KMmsAssignedReplyChargingID,
+iMmsHeaders->ReplyChargingId() );
+}
+// version 1.2 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion11 )
+{
+// MMBox headers
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+EncodeOptionalByte( KMmsAssignedStored,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsStored() );
+}
+// Distribution indicator
+EncodeOptionalByte( KMmsAssignedDistributionIndicator,
+iMmsHeaders->DistributionIndicator() );
+}
+// Element descriptor
+// This is somewhat a mystery - not implemented
+// version 1.3 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 )
+{
+// X-Mms-Applic-ID, X-Mms-Reply-Applic-ID and X-Mms-Aux-Applic-Info
+EncodeApplicationHeadersL();
+// X-Mms-Recommended-Retrieval-Mode
+EncodeOptionalByte( KMmsAssignedRecommendedRetrievalMode,
+iMmsHeaders->RecommendedRetrievalMode() );
+// X-Mms-Recommended-Retrieval-Mode-Text
+EncodeOptionalStringL( KMmsAssignedRecommendedRetrievalModeText,
+iMmsHeaders->RecommendedRetrievalModeText() );
+// X-Mms-Content-Class
+EncodeOptionalByte( KMmsAssignedContentClass, iMmsHeaders->ContentClass() );
+// X-Mms-DRM-Content
+EncodeOptionalByte( KMmsAssignedDrmContent, iMmsHeaders->DrmContent() );
+// X-Mms-Replace-ID
+EncodeOptionalString( KMmsAssignedReplaceId, iMmsHeaders->ReplaceCancelId() );
+}
+// We keep this as the last one, though it does not really matter
+// Mandatory content-location
+// this must be USASCII or URL encoded
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeSendConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMSendConf,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+EncodeMandatoryByte( KMmsAssignedResponseStatus,
+iMmsHeaders->ResponseStatus() );
+EncodeOptionalStringL( KMmsAssignedResponseText,
+iMmsHeaders->ResponseText() );
+// if send confirmation returns error, it might not contain message id
+EncodeOptionalString( KMmsAssignedMessageId, iMmsHeaders->MessageId() );
+// MMBox related headers - optional
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+EncodeOptionalByte( KMmsAssignedStoreStatus,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatus() );
+EncodeOptionalStringL( KMmsAssignedStoreStatusText,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatusText() );
+if ( iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatus() ==
+KMmsStatusOk )
+{
+// this must be USASCII or URL encoded
+// If message was stored to MMBox, this is mandatory
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+}
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeRetrieveConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMRetrieveConf,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+// message id
+EncodeOptionalString( KMmsAssignedMessageId, iMmsHeaders->MessageId() );
+// if we have set a date, insert it
+EncodeDate( iMmsHeaders->Date() );
+// If we have set the sender, encode it
+if ( iMmsHeaders->Sender().Length() > 0 )
+{
+EncodeSenderL( iMmsHeaders->Sender() );
+}
+// previously sent by array
+TInt i;
+TUint oldPosition;
+TUint length;
+for ( i = 0; i < iMmsHeaders->PreviouslySentList().Count(); i++ )
+{
+oldPosition = iPosition;
+length = 0;
+// Encode once just to find out filed length
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeAddressL( iMmsHeaders->PreviouslySentList()[i]->Sender() );
+length += iPosition - oldPosition;
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedPreviouslySentBy, 1 );
+iPosition++;
+EncodeValueLength( length );
+// now we have added length, do the actual encoding
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeAddressL( iMmsHeaders->PreviouslySentList()[i]->Sender() );
+oldPosition = iPosition;
+length = 0;
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeLongInteger( iMmsHeaders->PreviouslySentList()[i]->Date() );
+length += iPosition - oldPosition;
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedPreviouslySentDate, 1 );
+iPosition++;
+EncodeValueLength( length );
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeLongInteger( iMmsHeaders->PreviouslySentList()[i]->Date() );
+}
+// All recipient lists. If no recipients in some of the lists,
+// nothing is encoded, no need to check separately
+EncodeRecipientL( iMmsHeaders->ToRecipients(), EMmsTo );
+EncodeRecipientL( iMmsHeaders->CcRecipients(), EMmsCc );
+// no Bcc in retrieve confirmation
+// Subject
+EncodeOptionalStringL( KMmsAssignedSubject, iMmsHeaders->Subject() );
+// MMBox headers
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-Mms-MM-State
+EncodeOptionalByte( KMmsAssignedMMState,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsMMState() );
+// X-MMs-MM-Flags
+// The keyword token should always be "add" or "remove"
+EncodeKeywordArrayL();
+}
+// Message class
+EncodeOptionalByte( KMmsAssignedMessageClass,
+iMmsHeaders->MessageClass() );
+// Priority
+EncodeOptionalByte( KMmsAssignedPriority, iMmsHeaders->MessagePriority() );
+// Delivery report
+EncodeOptionalByte( KMmsAssignedDeliveryReport,
+iMmsHeaders->DeliveryReport() );
+// Read reply
+EncodeOptionalByte( KMmsAssignedReadReply, iMmsHeaders->ReadReply() );
+// MMS encapsulation 1.1 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion1 )
+{
+// Do we want to specify reply charging
+if ( iMmsHeaders->ReplyCharging() == KMmsReplyChargingAccepted ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingAcceptedTextOnly )
+{
+// Reply charging value
+EncodeOptionalByte( KMmsAssignedReplyCharging,
+iMmsHeaders->ReplyCharging() );
+// Reply charging deadline
+EncodeOptionalIntervalOrDate( KMmsAssignedReplyChargingDeadline,
+iMmsHeaders->ReplyChargingInterval(),
+iMmsHeaders->ReplyChargingDate() );
+// Reply charging size
+EncodeReplyChargingSize( iMmsHeaders->ReplyChargingSize() );
+}
+// Reply charging ID
+EncodeOptionalString( KMmsAssignedReplyChargingID,
+iMmsHeaders->ReplyChargingId() );
+// status of the operation
+EncodeOptionalByte( KMmsAssignedRetrieveStatus,
+iMmsHeaders->ResponseStatus() );
+EncodeOptionalStringL( KMmsAssignedRetrieveText,
+iMmsHeaders->ResponseText() );
+}
+// version 1.2 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion11 )
+{
+// Distribution indicator
+EncodeOptionalByte( KMmsAssignedDistributionIndicator,
+iMmsHeaders->DistributionIndicator() );
+}
+// version 1.3 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 )
+{
+// X-Mms-Applic-ID, X-Mms-Reply-Applic-ID and X-Mms-Aux-Applic-Info
+EncodeApplicationHeadersL();
+// X-Mms-Content-Class
+EncodeOptionalByte( KMmsAssignedContentClass, iMmsHeaders->ContentClass() );
+// X-Mms-DRM-Content
+EncodeOptionalByte( KMmsAssignedDrmContent, iMmsHeaders->DrmContent() );
+// X-Mms-Replace-ID
+EncodeOptionalString( KMmsAssignedReplaceId, iMmsHeaders->ReplaceCancelId() );
+}
+// Start pointer
+TUint ii = 0;
+// Get Root TMsvId from headers if set
+TMsvId rootId = iMmsHeaders->MessageRoot();
+TInt error = KErrNone;
+if ( iEntryWrapper )
+{
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+TRAP( error,
+{
+CMsvAttachment* attachmentInfo = attachMan.GetAttachmentInfoL(
+(TMsvAttachmentId) rootId );
+delete attachmentInfo; // we just wanted to check that it was found
+}
+);
+CleanupStack::PopAndDestroy( store );
+}
+// If we have a valid root part, we send the message as multipart/related.
+// Otherwise we send it as multipart mixed.
+// We don't try to guess what the root is supposed to be, if it
+// is not specified or does not point to an existing attachment.
+if ( error == KErrNone && rootId != 0 && iEntryWrapper )
+{
+EncodeMultipartRelatedHeaderL( rootId );
+}
+else
+{
+EncodeMultipartMixedHeaderL();
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeDeliveryReportL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeDeliveryInd, TPtrC8(),
+iMmsHeaders->MmsVersion() );
+EncodeHeaderAndTextString( KMmsAssignedMessageId,
+iMmsHeaders->MessageId() );
+EncodeRecipientL( iMmsHeaders->ToRecipients(), EMmsTo );
+// if we have set a date, insert it
+EncodeDate( iMmsHeaders->Date() );
+// insert message status
+EncodeMandatoryByte( KMmsAssignedStatus, iMmsHeaders->Status() );
+// version 1.3 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 )
+{
+// X-Mms-Status-Text
+// Status text is stored in the same place as response text and retrieve
+// text as only one of them can appear in any PDU
+EncodeOptionalStringL( KMmsAssignedStatusText,
+iMmsHeaders->ResponseText() );
+// X-Mms-Applic-ID, X-Mms-Reply-Applic-ID and X-Mms-Aux-Applic-Info
+EncodeApplicationHeadersL();
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeForwardRequestL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeForwardReq,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+// if we have set a date, insert it
+EncodeDate( iMmsHeaders->Date() );
+// If we have set the sender, encode it
+// If not, we ask MMSC to add the sender
+EncodeSenderL( iMmsHeaders->Sender() );
+// All recipient lists. If no recipients in some of the lists,
+// nothing is encoded, no need to check separately
+EncodeRecipientL( iMmsHeaders->ToRecipients(), EMmsTo );
+EncodeRecipientL( iMmsHeaders->CcRecipients(), EMmsCc );
+EncodeRecipientL( iMmsHeaders->BccRecipients(), EMmsBcc );
+// Expiration time
+EncodeOptionalIntervalOrDate( KMmsAssignedExpiry,
+iMmsHeaders->ExpiryInterval(),
+iMmsHeaders->ExpiryDate() );
+// Delivery time
+EncodeOptionalIntervalOrDate( KMmsAssignedDeliveryTime,
+iMmsHeaders->DeliveryTimeInterval(),
+iMmsHeaders->DeliveryDate() );
+// Delivery report allowed
+EncodeOptionalByte( KMmsAssignedReportAllowed,
+iMmsHeaders->ReportAllowed() );
+// Delivery report
+EncodeOptionalByte( KMmsAssignedDeliveryReport,
+iMmsHeaders->DeliveryReport() );
+// Read reply
+EncodeOptionalByte( KMmsAssignedReadReply, iMmsHeaders->ReadReply() );
+// version 1.2 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion11 )
+{
+// MMBox related headers - optional
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-Mms-MM-Store
+EncodeOptionalByte( KMmsAssignedMmsStore,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsStore() );
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsStore() == KMmsYes ||
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsStored() == KMmsYes )
+{
+// X-Mms-MM-State
+EncodeOptionalByte( KMmsAssignedMMState,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsMMState() );
+// X-MMs-MM-Flags
+// The keyword token should always be "add" or "remove"
+EncodeKeywordArrayL();
+}
+}
+}
+// version 1.3 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 )
+{
+// Do we want to specify reply charging
+if ( iMmsHeaders->ReplyCharging() == KMmsReplyChargingRequested ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingRequestedTextOnly )
+{
+// Reply charging value
+EncodeOptionalByte( KMmsAssignedReplyCharging,
+iMmsHeaders->ReplyCharging() );
+// Reply charging deadline
+EncodeOptionalIntervalOrDate( KMmsAssignedReplyChargingDeadline,
+iMmsHeaders->ReplyChargingInterval(),
+iMmsHeaders->ReplyChargingDate() );
+// Reply charging size
+EncodeReplyChargingSize( iMmsHeaders->ReplyChargingSize() );
+}
+}
+// Mandatory content-location
+// this must be USASCII or URL encoded
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeForwardConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeForwardConf,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+EncodeMandatoryByte( KMmsAssignedResponseStatus,
+iMmsHeaders->ResponseStatus() );
+EncodeOptionalStringL( KMmsAssignedResponseText,
+iMmsHeaders->ResponseText() );
+EncodeOptionalString( KMmsAssignedMessageId, iMmsHeaders->MessageId() );
+// MMBox related headers - optional
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+EncodeOptionalByte( KMmsAssignedStoreStatus,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatus() );
+EncodeOptionalStringL( KMmsAssignedStoreStatusText,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatusText() );
+if ( iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatus() ==
+KMmsStatusOk )
+{
+// this must be USASCII or URL encoded
+// If message was stored to MMBox, this is mandatory
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+}
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeReadReplyL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( iMmsHeaders->MessageType(), TPtrC8(), iMmsHeaders->MmsVersion() );
+// message id
+EncodeHeaderAndTextString( KMmsAssignedMessageId,
+iMmsHeaders->MessageId() );
+// originator of the original message
+EncodeRecipientL( iMmsHeaders->ToRecipients(), EMmsTo );
+// If we have set the sender, encode it
+// If not, we ask MMSC to add the sender
+EncodeSenderL( iMmsHeaders->Sender() );
+// if we have set a date, insert it
+EncodeDate( iMmsHeaders->Date() );
+EncodeMandatoryByte( KMmsAssignedReadStatus, iMmsHeaders->ReadStatus() );
+// version 1.3 headers - optional
+if ( iMmsHeaders->MmsVersion() > KMmsVersion12 )
+{
+// X-Mms-Applic-ID, X-Mms-Reply-Applic-ID and X-Mms-Aux-Applic-Info
+EncodeApplicationHeadersL();
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxStoreRequestL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMboxStoreReq, iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// this must be USASCII or URL encoded
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+// MMBox headers
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-Mms-MM-State
+EncodeOptionalByte( KMmsAssignedMMState,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsMMState() );
+// X-MMs-MM-Flags
+// The keyword token should always be "add" or "remove"
+EncodeKeywordArrayL();
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxStoreConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMboxStoreConf, iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// this must be USASCII or URL encoded
+EncodeOptionalString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+EncodeMandatoryByte( KMmsAssignedStoreStatus,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatus() );
+EncodeOptionalStringL( KMmsAssignedStoreStatusText,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatusText() );
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxViewRequestL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMboxViewReq, iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// Insert content location header. There may be more than one
+EncodeContentLocationArray();
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-MMs-MM-Flags. The token should always be "filter"
+EncodeKeywordArrayL();
+}
+if ( iMmsHeaders->ReadOnlyMMBoxViewHeaders() )
+{
+CMmsMMBoxViewHeaders& viewHeaders = iMmsHeaders->MMBoxViewHeadersL();
+// states used as filter
+// X-Mms-MM-State may appear multiple times in view request
+EncodeMMBoxStates( viewHeaders.MMStateArray() );
+// start
+EncodeOptionalInteger( KMmsAssignedStart, viewHeaders.MmsStart() );
+// limit
+if ( viewHeaders.MmsLimit() != KMaxTUint32 )
+{
+// 0 means no message information, absence means all remaining
+// messages.
+// If header has value KMaxTUint32, it means that info about all
+// remaining messages is wanted.
+iEncodeBuffer->Write( iPosition, &KMmsAssignedLimit, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MmsLimit() );
+}
+EncodeAttributes( viewHeaders.AttributeArray() );
+// request totals
+EncodeOptionalByte( KMmsAssignedTotals, viewHeaders.MmsTotals() );
+// request quotas
+EncodeOptionalByte( KMmsAssignedQuotas, viewHeaders.MmsQuotas() );
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxViewConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMboxViewConf,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+EncodeMandatoryByte( KMmsAssignedResponseStatus,
+iMmsHeaders->ResponseStatus() );
+EncodeOptionalStringL( KMmsAssignedResponseText,
+iMmsHeaders->ResponseText() );
+EncodeContentLocationArray();
+// MMBox headers
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-MMs-MM-Flags. The token should always be "filter"
+EncodeKeywordArrayL();
+}
+if ( iMmsHeaders->ReadOnlyMMBoxViewHeaders() )
+{
+CMmsMMBoxViewHeaders& viewHeaders = iMmsHeaders->MMBoxViewHeadersL();
+// states used as filter
+// X-Mms-MM-State may appear multiple times in view request
+EncodeMMBoxStates( viewHeaders.MMStateArray() );
+// start
+EncodeOptionalInteger( KMmsAssignedStart, viewHeaders.MmsStart() );
+// limit
+if ( viewHeaders.MmsLimit() != KMaxTUint32 )
+{
+// 0 means no message information, absence means all remaining
+// messages.
+// If header has value KMaxTUint32, it means that info about
+// all remaining messages is wanted.
+iEncodeBuffer->Write( iPosition, &KMmsAssignedLimit, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MmsLimit() );
+}
+EncodeAttributes( viewHeaders.AttributeArray() );
+// totals
+TUint oldPosition = iPosition;
+TUint length = 0;
+if ( viewHeaders.MMBoxTotalNumber() != KMaxTUint32 )
+{
+oldPosition = iPosition;
+EncodeInteger( viewHeaders.MMBoxTotalNumber() );
+length = iPosition - oldPosition;
+length += 1; // quota token
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMboxTotals, 1 );
+iPosition++;
+EncodeValueLength( length );
+iEncodeBuffer->Write( iPosition, &KMmsMessageCountToken, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MMBoxTotalNumber() );
+}
+if ( viewHeaders.MMBoxTotalSize() != KMaxTUint32 )
+{
+oldPosition = iPosition;
+EncodeInteger( viewHeaders.MMBoxTotalSize() );
+length = iPosition - oldPosition;
+length += 1; // quota token
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMboxTotals, 1 );
+iPosition++;
+EncodeValueLength( length );
+iEncodeBuffer->Write( iPosition, &KMmsMessageSizeToken, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MMBoxTotalSize() );
+}
+// quotas
+if ( viewHeaders.MMBoxQuotaNumber() != KMaxTUint32 )
+{
+oldPosition = iPosition;
+EncodeInteger( viewHeaders.MMBoxQuotaNumber() );
+length = iPosition - oldPosition;
+length += 1; // quota token
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMboxQuotas, 1 );
+iPosition++;
+EncodeValueLength( length );
+iEncodeBuffer->Write( iPosition, &KMmsMessageCountToken, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MMBoxQuotaNumber() );
+}
+if ( viewHeaders.MMBoxQuotaSize() != KMaxTUint32 )
+{
+oldPosition = iPosition;
+EncodeInteger( viewHeaders.MMBoxQuotaSize() );
+length = iPosition - oldPosition;
+length += 1; // quota token
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMboxQuotas, 1 );
+iPosition++;
+EncodeValueLength( length );
+iEncodeBuffer->Write( iPosition, &KMmsMessageSizeToken, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MMBoxQuotaSize() );
+}
+// Message count
+// This should in principle come from the viewHeaders.MmsMessageCount()
+// But in this context the number of messages will be the number of
+// attachments available in this entry
+// However, we will use the viewHeaders.MmsMessageCount() to generate
+// the header so that we can test that the decoding part can handle
+// possible conflict between message number and the number of parts
+// in the multipart structure. This header is optional. KMaxTUint32
+// will mean unspecified.
+if ( viewHeaders.MmsMessageCount() != KMaxTUint32 )
+{
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMessageCount, 1 );
+iPosition++;
+EncodeInteger( viewHeaders.MmsMessageCount() );
+}
+}
+if ( iNumberOfAttachments == 0 )
+{
+EncodeMandatoryByte( KMmsAssignedContentType, KMmsAssignedAny );
+}
+else
+{
+EncodeMultipartMixedHeaderL();
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxUploadRequestL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMBoxUploadReq, iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// MMBox headers
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-Mms-MM-State
+EncodeOptionalByte( KMmsAssignedMMState,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsMMState() );
+// X-MMs-MM-Flags
+// The keyword token should always be "add" or "remove"
+EncodeKeywordArrayL();
+}
+// Get Root TMsvId from headers if set
+TMsvAttachmentId rootId = iMmsHeaders->MessageRoot();
+// Find the matching id from attachment list
+TInt error = KErrNone;
+if ( iEntryWrapper )
+{
+CMsvStore* store = iEntryWrapper->ReadStoreL();
+CleanupStack::PushL( store );
+// Only new attachment structure is supported
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+TRAP( error,
+{
+CMsvAttachment* attachmentInfo = attachMan.GetAttachmentInfoL(
+(TMsvAttachmentId) rootId );
+delete attachmentInfo; // we just wanted to check that it was found
+}
+);
+CleanupStack::PopAndDestroy( store );
+}
+// If we have a valid root part, we send the message as multipart/related.
+// Otherwise we send it as multipart mixed.
+// We don't try to guess what the root is supposed to be, if it
+// is not specified or does not point to an existing attachment.
+// actually the content should be an MMS PDU as in M-MBox-Descr PDU
+// It is unclear if if should be wrapped in a multipart structure
+// (containing only one header)
+// or if the content type should be application/vnd.wap.mms-message
+if ( error == KErrNone && rootId != 0 && iEntryWrapper )
+{
+EncodeMultipartRelatedHeaderL( rootId );
+}
+else
+{
+EncodeMultipartMixedHeaderL();
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxUploadConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeMBoxUploadConf, iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// this must be USASCII or URL encoded
+EncodeOptionalString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+EncodeMandatoryByte( KMmsAssignedStoreStatus,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatus() );
+EncodeOptionalStringL( KMmsAssignedStoreStatusText,
+iMmsHeaders->MMBoxMessageHeadersL().MmsStoreStatusText() );
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeDeleteRequestL()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( iMmsHeaders->MessageType(), iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// Insert content location header. There may be more than one
+EncodeContentLocationArray();
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeDeleteConfirmationL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( iMmsHeaders->MessageType(), iMmsHeaders->Tid(),
+iMmsHeaders->MmsVersion() );
+// content location, response status and response text headers have
+// different format from other PDUs
+const RPointerArray<CMmsDeleteResultArray>& resultArray =
+iMmsHeaders->DeleteResultArray();
+TInt i;
+TInt length = 0;
+TInt oldPosition = 0;
+TUint oldIndex = KMaxTUint32;
+for ( i = 0; i < resultArray.Count(); i++ )
+{
+TUint index = resultArray[i]->Order();
+if ( index != oldIndex )
+{
+// We add status and status text only once, there may be more
+// than one content location with the same status
+oldIndex = index;
+if ( resultArray[i]->ResponseStatus() != 0 )
+{
+oldPosition = iPosition;
+length = 0;
+// Encode once just to find out field length
+EncodeInteger( index );
+length += iPosition - oldPosition;
+length ++; // response status is only one byte
+iPosition = oldPosition;
+// now we have calculated length, do the actual encoding
+iEncodeBuffer->Write( iPosition, &KMmsAssignedResponseStatus, 1 );
+iPosition++;
+EncodeValueLength( length );
+EncodeInteger( index );
+TUint8 value = (TUint8) resultArray[i]->ResponseStatus();
+iEncodeBuffer->Write( iPosition, &value, 1 );
+iPosition++;
+}
+if ( resultArray[i]->ResponseText().Length() > 0 )
+{
+oldPosition = iPosition;
+length = 0;
+// Encode once just to find out field length
+EncodeInteger( index );
+EncodeTextStringL( resultArray[i]->ResponseText() );
+length += iPosition - oldPosition;
+iPosition = oldPosition;
+// now we have calculated length, do the actual encoding
+iEncodeBuffer->Write( iPosition, &KMmsAssignedResponseText, 1 );
+iPosition++;
+EncodeValueLength( length );
+EncodeInteger( index );
+EncodeTextStringL( resultArray[i]->ResponseText() );
+}
+}
+if ( resultArray[i]->ContentLocation().Length() > 0 )
+{
+oldPosition = iPosition;
+length = 0;
+// Encode once just to find out field length
+EncodeInteger( index );
+EncodeTextString( resultArray[i]->ContentLocation() );
+length += iPosition - oldPosition;
+iPosition = oldPosition;
+// now we have calculated length, do the actual encoding
+iEncodeBuffer->Write( iPosition, &KMmsAssignedContentLocation, 1 );
+iPosition++;
+EncodeValueLength( length );
+EncodeInteger( index );
+EncodeTextString( resultArray[i]->ContentLocation() );
+}
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxDescriptionL()
+{
+// implemented for test purposes
+#ifdef __WINS__
+EncodeMandatoryByte( KMmsAssignedMessageType, KMmsMessageTypeMBoxDescr );
+// this must be USASCII or URL encoded
+EncodeOptionalString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+EncodeOptionalString( KMmsAssignedMessageId, iMmsHeaders->MessageId() );
+// MMBox headers
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+// X-Mms-MM-State
+EncodeOptionalByte( KMmsAssignedMMState,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->MmsMMState() );
+// X-MMs-MM-Flags
+// The keyword token should always be "add" or "remove"
+EncodeKeywordArrayL();
+}
+// if we have set a date, insert it
+EncodeDate( iMmsHeaders->Date() );
+// sender is optional
+if ( iMmsHeaders->Sender().Length() > 0 )
+{
+EncodeSenderL( iMmsHeaders->Sender() );
+}
+// All recipient lists. If no recipients in some of the lists,
+// nothing is encoded, no need to check separately
+EncodeRecipientL( iMmsHeaders->ToRecipients(), EMmsTo );
+EncodeRecipientL( iMmsHeaders->CcRecipients(), EMmsCc );
+EncodeRecipientL( iMmsHeaders->BccRecipients(), EMmsBcc );
+// Message class
+EncodeOptionalByte( KMmsAssignedMessageClass,
+iMmsHeaders->MessageClass() );
+// Subject
+EncodeOptionalStringL( KMmsAssignedSubject, iMmsHeaders->Subject() );
+// Priority
+EncodeOptionalByte( KMmsAssignedPriority, iMmsHeaders->MessagePriority() );
+// Delivery time
+EncodeOptionalIntervalOrDate( KMmsAssignedDeliveryTime,
+iMmsHeaders->DeliveryTimeInterval(),
+iMmsHeaders->DeliveryDate() );
+// Expiration time
+EncodeOptionalIntervalOrDate( KMmsAssignedExpiry,
+iMmsHeaders->ExpiryInterval(),
+iMmsHeaders->ExpiryDate() );
+// Delivery report
+EncodeOptionalByte( KMmsAssignedDeliveryReport,
+iMmsHeaders->DeliveryReport() );
+// Read reply
+EncodeOptionalByte( KMmsAssignedReadReply, iMmsHeaders->ReadReply() );
+if ( iMmsHeaders->MessageSize() > 0 )
+{
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMessageSize, 1 );
+iPosition++;
+TInt64 size = iMmsHeaders->MessageSize();
+EncodeLongInteger( size );
+}
+// MMBox description appears from 1.2 onwards - no use to check if we are
+// 1.1 or later.
+// Do we want to specify reply charging
+if ( iMmsHeaders->ReplyCharging() == KMmsReplyChargingRequested ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingRequestedTextOnly ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingAccepted ||
+iMmsHeaders->ReplyCharging() == KMmsReplyChargingAcceptedTextOnly )
+{
+// Reply charging value
+EncodeOptionalByte( KMmsAssignedReplyCharging,
+iMmsHeaders->ReplyCharging() );
+// Reply charging deadline
+EncodeOptionalIntervalOrDate( KMmsAssignedReplyChargingDeadline,
+iMmsHeaders->ReplyChargingInterval(),
+iMmsHeaders->ReplyChargingDate() );
+// Reply charging size
+EncodeReplyChargingSize( iMmsHeaders->ReplyChargingSize() );
+}
+// Reply charging ID
+EncodeOptionalString( KMmsAssignedReplyChargingID,
+iMmsHeaders->ReplyChargingId() );
+TInt i;
+TUint oldPosition;
+TUint length;
+for ( i = 0; i < iMmsHeaders->PreviouslySentList().Count(); i++ )
+{
+oldPosition = iPosition;
+length = 0;
+// Encode once just to find out field length
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeAddressL( iMmsHeaders->PreviouslySentList()[i]->Sender() );
+length += iPosition - oldPosition;
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedPreviouslySentBy, 1 );
+iPosition++;
+EncodeValueLength( length );
+// now we have added length, do the actual encoding
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeAddressL( iMmsHeaders->PreviouslySentList()[i]->Sender() );
+oldPosition = iPosition;
+length = 0;
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeLongInteger( iMmsHeaders->PreviouslySentList()[i]->Date() );
+length += iPosition - oldPosition;
+iPosition = oldPosition;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedPreviouslySentDate, 1 );
+iPosition++;
+EncodeValueLength( length );
+EncodeInteger( iMmsHeaders->PreviouslySentList()[i]->Order() );
+EncodeLongInteger( iMmsHeaders->PreviouslySentList()[i]->Date() );
+}
+if ( iNumberOfAttachments > 0 )
+{
+EncodeMultipartMixedHeaderL();
+}
+#endif
+}
+// ---------------------------------------------------------
+// 8-bit version (no conversions)
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeTextString( const TDesC8& aString )
+{
+// Only Content-Id needs a quoted string, for example
+// "<agjrfnjr>
+// content-id encoding uses a separate function that adds the quote.
+// EncodeQuotedTextString
+// Check if we need a Quote (This does not mean the quoted string.)
+TInt length = aString.Length();
+if ( length > 0 && aString[0] >= KMms0x80 )
+{
+iEncodeBuffer->Write( iPosition, &KMmsQuote, 1 );
+iPosition++;
+}
+iEncodeBuffer->Write( iPosition, aString, length );
+iPosition += length;
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+}
+// ---------------------------------------------------------
+// 8-bit version (no conversions)
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeQuotedTextString( const TDesC8& aString )
+{
+// Before this function is called, the caller must check
+// that the length of the string is not 0. Otherwise this
+// makes no sense. You cannot quote a zero-length string
+// We need quoted string for content-id.
+// So far for nothing else.
+// (for the filename in MIME headers, too, just in case)
+// We add one quote to the beginning, nothing to the end.
+// As we start with a quote, we don't need to check for the special
+// Quote that is needed if a string starts with a character above 128
+TInt length = aString.Length();
+iEncodeBuffer->Write( iPosition, &KMmsStringQuote, 1 );
+iPosition++;
+iEncodeBuffer->Write( iPosition, aString, length );
+iPosition += length;
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+}
+// ---------------------------------------------------------
+// unicode version
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeTextStringL( const TDesC& aString )
+{
+// What about a RFC2068 quoted strings -
+// see explanation in EncodeTextString( const TDesC8& aString ) function
+TInt i = 0;
+TInt length = aString.Length();
+TBool safe = IsStringSafe( aString );
+// If the string can be encoded as ASCII, go ahead
+if ( safe )
+{
+TUint8 character;
+// No need to check if we need a quote - if we are safe, we have
+// no characters >= 128.
+for ( i = 0; i < aString.Length(); i++ )
+{
+character = TUint8( aString[i] & KMms0xFF );
+iEncodeBuffer->Write( iPosition, &character, 1 );
+iPosition++;
+}
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+}
+else
+{
+// if our length is 0, we are safe, no need to check the
+// length here anymore
+// we must convert to utf-8
+//one ucs-2 character should never produce more than 4 bytes when converted to utf-8
+HBufC8* buffer = HBufC8::NewL( aString.Length() * KMms4 ); // paranoid.
+// we don't leave while we need buffer
+TPtr8 buf8 = buffer->Des();
+// if conversion fails, something is really seriously wrong
+iError = CnvUtfConverter::ConvertFromUnicodeToUtf8( buf8, aString );
+length = buf8.Length();
+// utf8 character set encoding needs one byte (fits into short integer)
+length += KMms2; // add character set encoding byte and trailing NULL
+if ( buf8[0] >= KMms0x80 ) // 128
+{
+length++; // we will need a quote byte at the start...
+}
+EncodeValueLength( length );
+// add one byte of character set
+// this is a short integer, high bit must be set
+TUint8 charset = KMmsUtf8 | KMms0x80;
+iEncodeBuffer->Write( iPosition, &charset, 1 );
+iPosition++;
+// Check if we need a quote
+if ( buf8[0] >= KMms0x80 ) // 128
+{
+iEncodeBuffer->Write( iPosition, &KMmsQuote, 1 );
+iPosition++;
+}
+// Then write the string itself
+iEncodeBuffer->Write( iPosition, buf8, buf8.Length() );
+iPosition += buf8.Length();
+// Add terminating NULL
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+delete buffer;
+buffer = NULL;
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeDate( const TInt64& aDate)
+{
+if ( aDate == 0 )
+{
+return;
+}
+iEncodeBuffer->Write( iPosition, &KMmsAssignedDate, 1 );
+iPosition++;
+EncodeLongInteger( aDate );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeLongInteger( const TInt64& aLongInteger )
+{
+TUint8 length = 0; // number of bytes we will need
+// The long integer will take 8 bytes or less
+TUint8 array[KMms8];
+TInt64 temp = aLongInteger;
+TInt i = 0;
+TInt64 reminder = 0;
+for ( i = 7; i >= 0; i-- )
+{
+reminder = temp % 0x100;
+temp = temp / 0x100;
+array[i] = TInt8 ( I64INT( reminder ) ) ;
+}
+length = KMms8;
+i = 0;
+// The array has 8 elements, so this is safe.
+while( ( i < KMms8 ) && ( array[i] == 0 ) )
+{
+i++;
+length--;
+}
+// a zero should be coded as short integer.
+// However, if there is a valid reason to code a zero as a long integer,
+// we allow it. The caller should know what he is doing.
+if ( length == 0 )
+{
+length = 1;
+}
+// write short length
+iEncodeBuffer->Write( iPosition, &length, 1 );
+iPosition++;
+// write as many bytes as were non-zero
+// array index will stay withing limits because of the way it was calculated
+iEncodeBuffer->Write( iPosition, &(array[KMms8 - length] ), length );
+iPosition+= length;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeInteger( TUint aInteger )
+{
+// KMms1 = 1
+// KMms2 = 2
+// KMms3 = 3
+// KMms4 = 4
+// KMms5 = 5
+// etc.
+TUint8 byte = 0;
+if ( aInteger <= KMmsShortIntegerLimit127 )
+{
+byte = ( TInt8 ) aInteger;
+byte |= KMms0x80;
+iEncodeBuffer->Write( iPosition, &byte, 1);
+iPosition++;
+return; // this was easy
+}
+TUint8 length = KMms4; // number of bytes we will need
+TUint8 array[KMms4];
+TUint temp = aInteger;
+byte = TInt8( ( temp >> KMms24 ) & KMms0xFF );
+while ( byte == 0 && length > 0 )
+{
+length--;
+temp = temp << KMms8;
+byte = TInt8( ( temp >> KMms24 ) & KMms0xFF );
+}
+TUint i = 0;
+for ( i = 0; i < length; i++ )
+{
+array[i] = TInt8( ( temp >> ( KMms8 * ( KMms3 - i ) ) ) & KMms0xFF );
+}
+// write short length
+iEncodeBuffer->Write( iPosition, &length, 1 );
+iPosition++;
+// write as many bytes as were non-zero
+// aInteger was tested in the beginning - it needs at least one byte
+// So length is at least 1 and the array has been properly initialized.
+iEncodeBuffer->Write( iPosition, &array[0], length );
+iPosition+= length;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeSenderL( const TPtrC& aSender )
+{
+iEncodeBuffer->Write( iPosition, &KMmsAssignedFrom, 1 );
+iPosition++;
+// We must insert value length.
+if ( aSender.Length() == 0 )
+{
+// The MMSC must insert our address
+TUint8 length;
+length = 1;
+iEncodeBuffer->Write( iPosition, &length, 1 );
+iPosition++;
+iEncodeBuffer->Write( iPosition, &KMmsInsertAddressToken, 1 );
+iPosition++;
+return;
+}
+// Now we must insert something
+TUint length = 1; // address present token
+if ( aSender.Find( KMiuMau ) != KErrNotFound )
+{
+TBool safe = IsStringSafe( aSender );
+if ( safe )
+{
+// this was easy, just ASCII, no conversion
+length += aSender.Length();
+length ++; // room for terminating zero
+}
+else // not USASCII, charset must be specified
+{
+// worst case scenario.
+// must be encoded as UTF-8, value length and character set
+// must be added
+// one ucs-2 character will not produce more than 4 bytes when converted to utf-8
+HBufC8* buffer = HBufC8::NewL( aSender.Length() * KMms4 ); // paranoid.
+// we don't need to push buffer onto cleanup stack, as we don't
+// leave while we are using it
+TPtr8 buf8 = buffer->Des();
+// if we get error here, something is badly wrong
+iError = CnvUtfConverter::ConvertFromUnicodeToUtf8( buf8, aSender );
+length += buf8.Length();
+// utf8 character set encoding needs one byte (short integer)
+length += KMms2; // add character set encoding byte and trailing NULL
+if ( buf8[0] >= KMms0x80 ) // 128
+{
+length++; // we will need a quote byte at the start...
+}
+delete buffer;
+buffer = NULL;
+}
+}
+else // no miumau found
+{
+// phone number, must be ASCII
+length += aSender.Length();
+length ++; // room for terminating zero
+length += KMmsPlmnLength; // type indication
+// this should be the length, if we have a phone number (no alias.)
+}
+EncodeValueLength( length );
+iEncodeBuffer->Write( iPosition, &KMmsAddressPresentToken, 1 );
+iPosition++;
+// If the address contains some non-ascii characters,
+// it must be converted to utf-8
+EncodeAddressL( aSender );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeAddressL( const TPtrC& aAddress )
+{
+// Supports only address types PLMN and email.
+// If the address string contains a @ character,
+// it is interpreted as an email
+// Internal alias is removed
+TMmsAddressType addressType = EMmsAddressTypeUnknown;
+HBufC* realAddress = HBufC::NewL( aAddress.Length() );
+CleanupStack::PushL( realAddress );
+TInt error = KErrNone;
+TPtr realAddressPointer = realAddress->Des();
+error = TMmsGenUtils::AddressTypeAndRealAddress(
+aAddress,
+addressType,
+realAddressPointer,
+aAddress.Length());
+if ( error != KErrNone || addressType == EMmsAddressTypeUnknown )
+{
+// could not resolve. Send unchanged
+realAddress->Des().Copy( aAddress );
+if ( aAddress.Find( KMiuMau ) != KErrNotFound )
+{
+addressType = EMmsAddressTypeEmail;
+}
+else
+{
+addressType = EMmsAddressTypeMobile;
+}
+}
+if ( addressType == EMmsAddressTypeEmail )
+{
+// email address
+// If the address contains only ASCII characters,
+// it can be sent as text string, if not, it must be sent as utf-8
+EncodeTextStringL( *realAddress );
+}
+else
+{
+// must be a phone number
+// We expect for now that the format is correct as is
+// All legal characters present in a phone number are ASCII
+TInt i = 0;
+TUint8 character = 0;
+realAddressPointer = realAddress->Des();
+for ( i = 0; i < realAddress->Length(); i++ )
+{
+// The array index is safe because i is always < realAddress->Length().
+character = TUint8( realAddressPointer[i] & KMms0xFF );
+iEncodeBuffer->Write( iPosition, &character, 1 );
+iPosition++;
+}
+iEncodeBuffer->Write( iPosition, KMmsPlmn, KMmsPlmnLength );
+iPosition += KMmsPlmnLength;
+iEncodeBuffer->Write( iPosition, &KMmsNull, 1 );
+iPosition++;
+}
+CleanupStack::PopAndDestroy( realAddress );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeValueLength( TUint aLength )
+{
+TUint8 shortLength = 0;
+if ( aLength <= KMms30 )
+{
+// short length
+shortLength = TUint8( aLength ) ;
+iEncodeBuffer->Write( iPosition, &shortLength, 1 );
+iPosition++;
+}
+else
+{
+iEncodeBuffer->Write( iPosition, &KMmsLengthQuote, 1 );
+iPosition++;
+EncodeUintvar( aLength );
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeUintvar( TUint aInteger )
+{
+// The value is split into 7 bit chunks, and continue bit set
+// when needed.
+// No more than 5 bytes will be produced
+TUint8 buffer[KMms5];
+TUint temp = aInteger;
+TInt i;
+for ( i = 0; i < KMms5; i++ )
+{
+buffer[KMms4 - i] = TUint8( temp & KMms0x7F );
+temp >>= KMms7;
+}
+i = 0;
+// buffer indexes are safe because the buffer has been defined long enough.
+while ( i < KMms4 && buffer[i] == 0 )
+{
+i++;
+}
+TInt j;
+for ( j = i; j < KMms4; j++ )
+{
+// buffer indexes are safe because the buffer has been defined long enough.
+buffer[j] |= KMms0x80; // set Continue bit, but never to last
+}
+// buffer indexes are safe because the buffer has been defined long enough.
+iEncodeBuffer->Write( iPosition, &buffer[i], KMms5 - i );
+iPosition += KMms5 - i;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+TInt CMmsEncode::GetUintvarLength( TUint aInteger )
+{
+// The value is split into 7 bit chunks, and continue bit set
+// when needed.
+// No more than 5 bytes will be produced
+TUint8 buffer[KMms5];
+TUint temp = aInteger;
+TInt i;
+for (i = 0; i < KMms5; i++ )
+{
+buffer[KMms4 - i] = TUint8( temp & KMms0x7F );
+temp >>= KMms7;
+}
+i = 0;
+// buffer indexes are safe because the buffer has been defined long enough.
+while ( i < KMms4 && buffer[i] == 0 )
+{
+i++;
+}
+return KMms5 - i;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeRecipientL( const CDesCArray& aRecipientList,
+TMmsRecipients aType )
+{
+TInt i;
+TInt size = aRecipientList.Count();
+if ( size == 0 )
+{
+return;
+}
+TUint8 recipientType = KMmsAssignedTo;
+switch ( aType )
+{
+case EMmsTo:
+recipientType = KMmsAssignedTo;
+break;
+case EMmsCc:
+recipientType = KMmsAssignedCc;
+break;
+case EMmsBcc:
+recipientType = KMmsAssignedBcc;
+break;
+default:
+break;
+}
+for ( i = 0; i < size; i++ )
+{
+// check for fakes
+if ( aRecipientList[i].Length() > 0 )
+{
+iEncodeBuffer->Write( iPosition, &recipientType, 1 );
+iPosition++;
+EncodeAddressL( aRecipientList[i] );
+}
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeOptionalStringL( TUint8 aHeader,
+const TPtrC16& aString )
+{
+if ( aString.Length() == 0 )
+{
+return;
+}
+iEncodeBuffer->Write( iPosition, &aHeader, 1 );
+iPosition++;
+EncodeTextStringL( aString );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeOptionalString( TUint8 aHeader, const TPtrC8& aString )
+{
+if ( aString.Length() == 0 )
+{
+return;
+}
+EncodeHeaderAndTextString( aHeader, aString );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeIntervalOrDate( TInt aInterval, const TInt64& aDate )
+{
+TInt64 temp = 0;
+TUint8 token = 0;
+if ( aDate != 0 )
+{
+temp = aDate;
+token = KMmsAbsoluteToken;
+}
+else
+{
+temp = aInterval;
+token = KMmsRelativeToken;
+}
+// calculate value length
+TUint length = KMms8;
+TUint mask = 0xff000000;
+while ( ( I64HIGH( temp ) & mask ) == 0 && length > KMms4)
+{
+mask >>= KMms8;
+length--;
+}
+mask = 0xff000000;
+// Test if the whole high half was zero
+if ( I64HIGH( temp ) == 0 )
+{
+while ( ( I64LOW( temp ) & mask ) == 0 && length > 1)
+{
+mask >>= KMms8;
+length--;
+}
+}
+// now add short length and absolute/relative token
+length += KMms2;
+EncodeValueLength( length );
+iEncodeBuffer->Write( iPosition, &token, 1 );
+iPosition++;
+EncodeLongInteger( temp );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeReplyChargingSize( TInt aReplyChargingSize )
+{
+if ( aReplyChargingSize == 0 )
+{
+return;
+}
+TInt64 size = aReplyChargingSize;
+iEncodeBuffer->Write( iPosition, &KMmsAssignedReplyChargingSize, 1 );
+iPosition++;
+EncodeLongInteger( size );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeOptionalByte( TUint8 aHeader, TInt aValue )
+{
+if ( aValue == 0 )
+{
+return; // not set, nothing to encode, header is optional
+}
+EncodeMandatoryByte( aHeader, aValue );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMandatoryByte( TUint8 aHeader, TInt aValue )
+{
+// When ecoding mandatory byte even value 0 is allowed.
+// It will become 0x80, and be correctly decoded back to 0.
+TUint8 value = TUint8 ( aValue ) | KMms0x80 ;
+iEncodeBuffer->Write( iPosition, &aHeader, 1 );
+iPosition++;
+iEncodeBuffer->Write( iPosition, &value, 1 );
+iPosition++;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeOptionalIntervalOrDate( TUint8 aHeader,
+TInt aInterval,
+const TInt64& aDate )
+{
+if ( aInterval == 0 && aDate == 0 )
+{
+return; // not set, nothing to encode, header is optional
+}
+iEncodeBuffer->Write( iPosition, &aHeader, 1 );
+iPosition++;
+EncodeIntervalOrDate( aInterval, aDate );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeHeaderAndTextString( TUint8 aHeader,
+const TDesC8& aString )
+{
+iEncodeBuffer->Write( iPosition, &aHeader, 1 );
+iPosition++;
+EncodeTextString( aString );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+TBool CMmsEncode::IsStringSafe( const TDesC& aString )
+{
+// Very simple check to see if string is "safe" ASCII
+// Used for headers, which are short strings
+TInt i;
+TBool safe = ETrue;
+for ( i = 0; i < aString.Length() && safe; i++ )
+{
+if ( aString[i] < KMmsLowestAscii || aString[i] >= KMmsHighestAscii )
+{
+safe = EFalse;
+}
+}
+return safe;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+TBool CMmsEncode::IsStringSafe( const TDesC8& aString, TInt& aNumNonSafe  )
+{
+// Very simple check to see if string is "safe" ASCII
+// Used for headers, which are short strings
+// spaces count as non-safe because their number must be taken into
+// account when calculating the length
+const TInt KIntQuestion = 0x3F;
+const TInt KIntEquals = 0x3D;
+TInt i;
+aNumNonSafe = 0;
+TBool safe = ETrue;
+for ( i = 0; i < aString.Length()/* && safe*/; i++ )
+{
+if ( aString[i] < KMmsLowestAscii || aString[i] >= KMmsHighestAscii )
+{
+safe = EFalse;
+aNumNonSafe++;
+}
+if ( aString[i] == KIntQuestion || aString[i] == KIntEquals )
+{
+// These are safe but must be encoded if quoted printable
+// encoding is used. The number is needed to check the header length
+aNumNonSafe++;
+}
+if ( aString[i] == KMmsIntUnderscore )
+{
+// This must always be encoded as base64 because Symbian
+// does not encode underscores when quoted printable is used.
+aNumNonSafe = KMaxEncodingLength;
+}
+}
+return safe;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMultipartRelatedHeaderL( const TMsvAttachmentId aRootId )
+{
+iEncodeBuffer->Write( iPosition, &KMmsAssignedContentType, 1 );
+iPosition++;
+// We have parameters (start), so we must use Content-general-form
+// We need the content-id for the root part. If it is not defined already,
+// we must generate one.
+TUint headerLength = 1; // one byte for well known media
+TInt cleanupCount = 0; // we must keep track what we have on store
+User::LeaveIfError( iEntryWrapper->SetCurrentEntry( iCurrentMessageId ) );
+CMsvStore* store = iEntryWrapper->EditStoreL();
+CleanupStack::PushL( store ); cleanupCount++;
+MMsvAttachmentManager& attachMan = store->AttachmentManagerL();
+CMsvAttachment* attachmentInfo = NULL;
+attachmentInfo = attachMan.GetAttachmentInfoL( (TMsvAttachmentId) aRootId );
+CleanupStack::PushL( attachmentInfo ); cleanupCount++;
+iMimeHeaders->RestoreL( *attachmentInfo );
+if ( iError != KErrNone )
+{
+CleanupStack::PopAndDestroy( cleanupCount );
+return;
+}
+TPtrC8 cid = iMimeHeaders->ContentId();
+TBufC8<KMmsMaxCidLength> target;
+// If cid has not been defined, we must generate one
+if ( cid.Length() == 0 )
+{
+TTime now;
+now.UniversalTime();
+TInt random;
+TInt64 seed = now.Int64();
+random = Math::Rand( seed );
+// type conversions irrelevant - just creating a magic number for content id
+target.Des().Num( random );
+target.Des().Insert(0, KMmsLeftAngle );
+target.Des().Append( KMmsRightAngle );
+cid.Set( target.Des() );
+// exclude the angle brackets
+iMimeHeaders->SetContentIdL( cid.Mid( 1, cid.Length() - KMms2 ) );
+// save the cid to be present when we create the attachment headers
+// If this does not succeed, the message will have no root.
+MMsvAttachmentManagerSync& attachManSync =
+store->AttachmentManagerExtensionsL();
+iMimeHeaders->StoreL( *attachmentInfo );
+attachManSync.ModifyAttachmentInfoL( attachmentInfo );
+// attachment manager now own attachemnt info
+CleanupStack::Pop( attachmentInfo ); cleanupCount--;
+store->CommitL();
+attachmentInfo = attachMan.GetAttachmentInfoL( (TMsvAttachmentId) aRootId );
+CleanupStack::PushL( attachmentInfo ); cleanupCount++;
+}
+// add start header length &
+// assigned number for start parameter, and terminating zero for cid
+headerLength += cid.Length() + KMms2;
+if ( cid.Find( KMmsLeftAngle ) != 0 )
+{
+headerLength += KMms2; // we must add angle bracket
+}
+// Then the length of the content-type header...
+TPtrC8 contentTypeString = iMimeHeaders->ContentType();
+HBufC8* tempContentType = HBufC8::NewL( iMimeHeaders->ContentType().Length() +
+iMimeHeaders->ContentSubType().Length() + 1 );
+CleanupStack::PushL( tempContentType );
+tempContentType->Des().Copy( iMimeHeaders->ContentType() );
+if ( ( iMimeHeaders->ContentType().Find( KMmsSlash8 ) !=
+( iMimeHeaders->ContentType().Length() - 1 ) ) &&
+( iMimeHeaders->ContentSubType().Find( KMmsSlash8 ) != 0 ) &&
+( iMimeHeaders->ContentSubType().Length() != 0 ) )
+{
+tempContentType->Des().Append( KMmsSlash8 );
+}
+tempContentType->Des().Append( iMimeHeaders->ContentSubType() );
+attachmentInfo->SetMimeTypeL( tempContentType->Des() );
+CleanupStack::PopAndDestroy( tempContentType );
+contentTypeString.Set( attachmentInfo->MimeType() );
+if ( contentTypeString.Length() == 0 )
+{
+// We need a content type...
+// If we don't know, we say "Any"
+contentTypeString.Set( KMmsAny );
+}
+// Check if we have well-known media.
+TInt8 rootContentType = -1;
+TInt8 i = 0;
+for ( i = 0; i < KNumberContentTypes && rootContentType < 0; i++ )
+{
+if ( contentTypeString.CompareF( TPtrC8( KContentTypeTable[i] ) ) == 0 )
+{
+rootContentType = i;
+}
+}
+// start parameter assignment
+headerLength += 1;
+if ( rootContentType != -1 )
+{
+// well known content type
+headerLength += 1;
+}
+else
+{
+// string + terminating zero
+headerLength += contentTypeString.Length() + 1;
+}
+TPtrC8 appIdPtr;
+appIdPtr.Set( KMmsJavaApplicationId );
+// Java application id parameters added to content-type
+if ( iMmsHeaders->ApplicId().Length() > 0 )
+{
+headerLength += appIdPtr.Length() + 1 ;
+headerLength += iMmsHeaders->ApplicId().Length() + 1;
+}
+appIdPtr.Set( KMmsJavaReplyApplicationId );
+if ( iMmsHeaders->ReplyApplicId().Length() > 0 )
+{
+headerLength += appIdPtr.Length() + 1 ;
+headerLength += iMmsHeaders->ReplyApplicId().Length() + 1;
+}
+// write general encoding length
+EncodeValueLength( headerLength );
+// Then the Media Type with parameters
+// We are multipart/related, which is a well-known media
+// encode as short integer
+TUint8 byte = KMmsAssignedApplicationVndWapMultipartRelated | KMms0x80;
+iEncodeBuffer->Write( iPosition, &byte, 1 );
+iPosition++;
+// Then the start parameter and cid text string
+byte = KWspStart | KMms0x80;
+if ( cid.Length() > 0 )
+{
+HBufC8* tempContentId = HBufC8::NewL( iMimeHeaders->ContentId().Length() + KMms2 );
+CleanupStack::PushL( tempContentId );
+if ( cid.Find( KMmsLeftAngle ) != 0 )
+{
+tempContentId->Des().Copy( KMmsLeftAngle );
+tempContentId->Des().Append( cid );
+tempContentId->Des().Append( KMmsRightAngle );
+}
+else
+{
+tempContentId->Des().Copy( cid );
+}
+EncodeHeaderAndTextString( byte, tempContentId->Des() );
+CleanupStack::PopAndDestroy( tempContentId );
+}
+// next the content type of the root part
+byte = KWspRelatedType | KMms0x80;
+// and the actual type either as a well-known media type
+// or a text string.
+if ( rootContentType != -1 )
+{
+// Well known content type.
+// EncodeMandatoryByte will set the high bit
+EncodeMandatoryByte( byte, rootContentType );
+}
+else
+{
+// string + terminating zero
+EncodeHeaderAndTextString( byte, contentTypeString );
+}
+if ( iMmsHeaders->ApplicId().Length() > 0 ||
+iMmsHeaders->ReplyApplicId().Length() > 0 )
+{
+EncodeApplicationIdParametersL();
+}
+// encode number of parts
+EncodeUintvar( iNumberOfAttachments );
+// get rid of stuff we put on stack
+CleanupStack::PopAndDestroy( cleanupCount );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMultipartMixedHeaderL()
+{
+// If Java has added application id or reply-to application id,
+// even multipart/mxed type needs parameters.
+TUint headerLength = 0; // assume no parameters
+if ( iMmsHeaders->ApplicId().Length() > 0 ||
+iMmsHeaders->ReplyApplicId().Length() > 0 )
+{
+headerLength = 1; // one byte for well known media
+TPtrC8 appIdPtr;
+appIdPtr.Set( KMmsJavaApplicationId );
+if ( iMmsHeaders->ApplicId().Length() > 0 )
+{
+headerLength += appIdPtr.Length() + 1 ;
+headerLength += iMmsHeaders->ApplicId().Length() + 1;
+}
+appIdPtr.Set( KMmsJavaReplyApplicationId );
+if ( iMmsHeaders->ReplyApplicId().Length() > 0 )
+{
+headerLength += appIdPtr.Length() + 1 ;
+headerLength += iMmsHeaders->ReplyApplicId().Length() + 1;
+}
+}
+iEncodeBuffer->Write( iPosition, &KMmsAssignedContentType, 1 );
+iPosition++;
+if ( headerLength > 0 )
+{
+// write general encoding length
+EncodeValueLength( headerLength );
+}
+// encode as short integer
+TUint8 contentType = KMmsAssignedApplicationVndWapMultipartMixed | KMms0x80;
+iEncodeBuffer->Write( iPosition, &contentType, 1 );
+iPosition++;
+if ( iMmsHeaders->ApplicId().Length() > 0 ||
+iMmsHeaders->ReplyApplicId().Length() > 0 )
+{
+EncodeApplicationIdParametersL();
+}
+// No more parameters for multipart/mixed, actual parts follow
+// encode number of parts
+EncodeUintvar( iNumberOfAttachments );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeKeywordArrayL()
+{
+TInt i = 0;
+TInt length = 0;
+// caller must check that iMmsHeaders->ReadOnlyMMBoxMessageHeaders() is not NULL
+CMmsMMBoxMessageHeaders& temp = iMmsHeaders->MMBoxMessageHeadersL();
+for ( i = 0; i < temp.KeywordArray().Count(); i++ )
+{
+length = temp.KeywordArray()[i]->Keyword().Length();
+if ( length > 0 )
+{
+iEncodeBuffer->Write( iPosition, &KMmsAssignedMMFlags, 1 );
+iPosition++;
+// do some fake encoding to get the text length
+TUint oldPosition = iPosition; // we will return here
+EncodeTextStringL( temp.KeywordArray()[i]->Keyword() );
+length = iPosition - oldPosition;
+iPosition = oldPosition; // return to original place
+length += 1; // token must come before string
+EncodeValueLength( length );
+TUint8 token = (TUint8) temp.KeywordArray()[i]->Token();
+if ( iMmsHeaders->MessageType() == KMmsMessageTypeMboxViewReq ||
+iMmsHeaders->MessageType() == KMmsMessageTypeMboxViewConf ||
+iMmsHeaders->MessageType() == KMmsMessageTypeMBoxDescr )
+{
+// the token must always be filter for MMbox PDUs
+token = KMmsFilterToken;
+}
+iEncodeBuffer->Write( iPosition, &token, 1 );
+iPosition++;
+EncodeTextStringL( temp.KeywordArray()[i]->Keyword() );
+}
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeOptionalInteger( TUint8 aHeader, TUint aValue )
+{
+if ( aValue == 0 )
+{
+return; // not set, nothing to encode, header is optional
+}
+iEncodeBuffer->Write( iPosition, &aHeader, 1 );
+iPosition++;
+EncodeInteger( aValue );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeAttributes( RArray<TUint>& aAttributeArray )
+{
+TInt i;
+for ( i = 0; i < aAttributeArray.Count(); i++ )
+{
+EncodeMandatoryByte( KMmsAssignedAttributes, aAttributeArray[i] );
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeMMBoxStates( RArray<TInt>& aStateArray )
+{
+TInt i;
+for ( i = 0; i < aStateArray.Count(); i++ )
+{
+EncodeMandatoryByte( KMmsAssignedMMState, aStateArray[i] );
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeContentLocationArray()
+{
+TBool mustCheck = EFalse;
+if ( iMmsHeaders->ContentLocation().Length() > 0 )
+{
+mustCheck = ETrue;
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ContentLocation() );
+}
+// If there is content location array, encode it, too.
+// A content-location should never occur in both places, but we still check
+TInt i = 0;
+if ( iMmsHeaders->ReadOnlyMMBoxMessageHeaders() )
+{
+for ( i = 0;
+i < iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->ContentLocationList().Count();
+i++ )
+{
+if ( !( mustCheck && iMmsHeaders->ContentLocation().Compare(
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->ContentLocationList()[i] ) == 0 ) )
+{
+// the content location in the list does not appear as
+// separate header, we must add it
+EncodeHeaderAndTextString( KMmsAssignedContentLocation,
+iMmsHeaders->ReadOnlyMMBoxMessageHeaders()->ContentLocationList()[i] );
+}
+}
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeStartingHeaders( TInt aMessageType,
+const TPtrC8& aTID, TInt aVersion )
+{
+// EncodeMandatoryByte will always set the high bit.
+// Message type
+EncodeMandatoryByte( KMmsAssignedMessageType, aMessageType );
+// TID if present
+EncodeOptionalString( KMmsAssignedTID, aTID );
+// MMS encapsulation version
+EncodeMandatoryByte( KMmsAssignedMmsVersion, aVersion );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+void CMmsEncode::EncodeApplicationIdParametersL()
+{
+if ( iMmsHeaders->ApplicId().Length() > 0 )
+{
+EncodeTextString( KMmsJavaApplicationId );
+EncodeTextStringL( iMmsHeaders->ApplicId() );
+}
+if ( iMmsHeaders->ReplyApplicId().Length() > 0 )
+{
+EncodeTextString( KMmsJavaReplyApplicationId );
+EncodeTextStringL( iMmsHeaders->ReplyApplicId() );
+}
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+void CMmsEncode::Dump()
+{
+// no dump if not logging
+#ifndef _NO_MMSS_LOGGING_
+TInt error = KErrNone;
+// if no can do, sorry.
+TRAP( error,
+{
+if ( iEntryWrapper )
+{
+if ( ( iEntryWrapper->GetDumpFlag() ) &&
+iEncodeBuffer &&
+iEncodeBuffer->Size() > 0 )
+{
+iFileName = KMmsDefaultLogDirectory;
+TUint att;
+if ( iFs.Att( iFileName, att ) == KErrNone )
+{
+_LIT( KRelated, "Sent.mms");
+iParse.Set( iFileName, &KRelated, NULL );
+iFileName = iParse.FullName();
+User::LeaveIfError( CApaApplication::GenerateFileName(
+iFs, iFileName ) );
+RFile file;
+User::LeaveIfError( file.Create( iFs, iFileName,
+EFileWrite | EFileShareExclusive ) );
+// for message id generation
+iParse.Set( iFileName, NULL, NULL );
+// the data is supposed to be in the encode buffer
+TPtr8 ptr = iEncodeBuffer->BackPtr( iPosition );
+file.Write( ptr );
+file.Flush();
+// done - close files
+file.Close();
+}
+}
+}
+}
+);
+if ( error != KErrNone )
+{
+TMmsLogger::Log( _L("Dump left with error %d"), error );
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+void CMmsEncode::DumpAppend()
+{
+// no dump if not logging
+#ifndef _NO_MMSS_LOGGING_
+TInt error = KErrNone;
+// if no can do, sorry.
+TRAP( error,
+{
+if ( iEntryWrapper )
+{
+if ( ( iEntryWrapper->GetDumpFlag() ) &&
+iEncodeBuffer &&
+iEncodeBuffer->Size() > 0 )
+{
+iFileName = KMmsDefaultLogDirectory;
+TUint att;
+if ( iFs.Att( iFileName, att ) == KErrNone )
+{
+RFile file;
+iFileName = iParse.FullName();
+User::LeaveIfError( file.Open( iFs, iFileName,
+EFileWrite | EFileShareExclusive ) );
+TInt position = 0; // seek to end
+file.Seek( ESeekEnd, position );
+// the data is supposed to be in the encode buffer
+TPtr8 ptr = iEncodeBuffer->BackPtr( iPosition );
+file.Write( ptr );
+file.Flush();
+// done - close files
+file.Close();
+}
+}
+}
+}
+);
+if ( error != KErrNone )
+{
+TMmsLogger::Log( _L("DumpAppend left with error %d"), error );
+}
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+void CMmsEncode::EncodeApplicationHeadersL()
+{
+// Application headers are only supported in WINS for testing purposes
+// Complete support for routing messages to arbitrary applications
+// requires support for selecting which applications are allowed
+// to send messages etc.
+#ifdef __WINS__
+// The optional string functions check the length
+// and return without doing anything if the length of the string is 0
+if ( IsStringSafe( iMmsHeaders->ApplicId() ) )
+{
+// We only send this header if it is us-ascii only
+// There is no encoding defined, so if this is converted
+// from unicode to some other character set there is
+// no guarantee that the recipient can decode it.
+EncodeOptionalStringL( KMmsAssignedApplicId, iMmsHeaders->ApplicId() );
+}
+if ( IsStringSafe( iMmsHeaders->ReplyApplicId() ) )
+{
+EncodeOptionalStringL( KMmsAssignedReplyApplicId, iMmsHeaders->ReplyApplicId() );
+}
+EncodeOptionalString( KMmsAssignedAuxApplicInfo, iMmsHeaders->AuxApplicInfo() );
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+void CMmsEncode::EncodeCancelRequest()
+{
+// implemented for test purposes
+#ifdef __WINS__
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeCancelReq,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+EncodeOptionalString( KMmsAssignedCancelId, iMmsHeaders->ReplaceCancelId() );
+#endif
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+void CMmsEncode::EncodeCancelResponse()
+{
+// Insert message type, TID and version number
+EncodeStartingHeaders( KMmsMessageTypeCancelConf,
+iMmsHeaders->Tid(), iMmsHeaders->MmsVersion() );
+EncodeOptionalByte( KMmsAssignedCancelStatus, iMmsHeaders->CancelStatus() );
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+HBufC8* CMmsEncode::EncodeQuotedPrintableWordL( const TPtrC8& aSource )
+{
+// We have calculated that it fits
+TInt bufferLength = KMaxNameBufferLength;
+HBufC8* buffer = HBufC8::NewL( bufferLength );
+CleanupStack::PushL( buffer );
+TPtr8 ptr = buffer->Des();
+buffer->Des().Copy( KMmsQuotedPreamble );
+ptr.SetLength( bufferLength );
+TPtr8 encodeBuffer = ptr.MidTPtr( KMmsPreambleLength );
+encodeBuffer.SetLength( 0 ); // empty the buffer
+TImCodecQP encoder;
+// The function would return the number of characters written to the buffer.
+// We don't do anything with the result, so we ignore the return value.
+encoder.Encode( aSource, encodeBuffer );
+ptr.SetLength( encodeBuffer.Length() + KMmsPreambleLength );
+buffer->Des().Append( KMmsEncodingTrailer );
+CleanupStack::Pop( buffer );
+return buffer;
+}
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+HBufC8* CMmsEncode::EncodeBase64WordL( const TPtrC8& aSource )
+{
+// ((length + 2)/3)*4  3 bytes alwaus produces 4 encoded bytes. Allow filler
+TInt bufferLength = KMmsEncodingExtraLength + ( aSource.Length() + KMms2 ) / KMms3 * KMms4;
+HBufC8* buffer = HBufC8::NewL( bufferLength );
+CleanupStack::PushL( buffer );
+TPtr8 ptr = buffer->Des();
+buffer->Des().Copy( KMmsBase64Preamble );
+ptr.SetLength( bufferLength );
+TPtr8 encodeBuffer = ptr.MidTPtr( KMmsPreambleLength );
+encodeBuffer.SetLength( 0 ); // empty the buffer
+TImCodecB64 encoder;
+// It is rather unclear what this function actually returns (no documentation found).
+// Therefore we just ignore the result.
+// Our buffer is long enough for the result to always fit.
+encoder.Encode( aSource, encodeBuffer );
+ptr.SetLength( encodeBuffer.Length() + KMmsPreambleLength );
+buffer->Des().Append( KMmsEncodingTrailer );
+CleanupStack::Pop( buffer );
+return buffer;
+}
+// ---------------------------------------------------------
+// CMmsEncode::PreProcessAttachmentDataL
+// Open the message store(Edit mode) and process attachments for further encoding in required encoding type.
+// Update the message store accordingly with the new encoding type and data in the corresponding attachments.
+// ---------------------------------------------------------
+void CMmsEncode::PreProcessAttachmentDataL()
+{
+TInt error = KErrNone;
+RFile attachFile;
+TBool retVal = EFalse;
+TInt currAttachI;
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::PreProcessAttachmentDataL- start ") );
+#endif /* _NO_MMSS_LOGGING_ */
+CMsvStore* editStore = iEntryWrapper->EditStoreL();
+CleanupStack::PushL( editStore );
+MMsvAttachmentManager& attachMan = editStore->AttachmentManagerL();
+MMsvAttachmentManagerSync& attachManagerSync = editStore->AttachmentManagerExtensionsL();
+TInt numberOfAttachments = attachMan.AttachmentCount();
+CMsvAttachment* attachmentInfo = NULL;
+iTextUtils = CMsgTextUtils::NewL( iFs );
+for ( currAttachI = 0; ( currAttachI < numberOfAttachments ) && ( error == KErrNone ); currAttachI++ )
+{
+//gets the ownership from attachment manager
+attachmentInfo = attachMan.GetAttachmentInfoL( currAttachI );
+CleanupStack::PushL( attachmentInfo );
+iMimeHeaders->RestoreL( *attachmentInfo );
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::PreProcessAttachmentDataL- Attchment:%d "), currAttachI );
+#endif /* _NO_MMSS_LOGGING_ */
+if ( iFileOpen )
+{
+// close any file in case we have been reset while the file is still open
+iAttachFile.Close();
+iFileOpen = EFalse;
+}
+retVal = CheckAndUpdateAttachmentL(*attachmentInfo, *iMimeHeaders);
+if( retVal )
+{
+TRAPD(
+err,
+attachManagerSync.ModifyAttachmentInfoL(attachmentInfo);
+editStore->CommitL();
+);
+#ifndef _NO_MMSS_LOGGING_
+if(err != KErrNone)
+{
+TMmsLogger::Log( _L("CMmsEncode::PreProcessAttachmentData:: store commit error: %d"), err );
+}
+else
+{
+TMmsLogger::Log( _L("CMmsEncode::PreProcessAttachmentData:: store commit success") );
+}
+#endif /* _NO_MMSS_LOGGING_ */
+/*  attachmentInfo ownership is transfered to attachment manager
+*  Hence, JUST pop attachmentInfo, DO NOT Destroy.
+*/
+CleanupStack::Pop( attachmentInfo );
+}
+else
+{
+CleanupStack::PopAndDestroy( attachmentInfo );
+attachmentInfo = NULL;
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::PreProcessAttachmentData:: Tgt encoding NOT Reqd.") );
+#endif /* _NO_MMSS_LOGGING_ */
+}
+}
+CleanupStack::PopAndDestroy( editStore );
+delete iTextUtils;
+iTextUtils = NULL;
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::PreProcessAttachmentDataL- end ") );
+#endif /* _NO_MMSS_LOGGING_ */
+}
+// ---------------------------------------------------------
+// CMmsEncode::CheckAndUpdateAttachmentL
+// Check and proceed if given attachment can be encoded using target encoding type based on its content type.
+// Returns False if target encoding is not supported for this content type.
+// ---------------------------------------------------------
+TBool CMmsEncode::CheckAndUpdateAttachmentL( CMsvAttachment& aAttachmentInfo,
+CMsvMimeHeaders& aMimeHeaders )
+{
+//get the content type string... and set to attachment if required
+TInt contentType = -1; // indicate not found
+TPtrC8 contentTypeString;
+TBool retVal = EFalse;
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::CheckAndUpdateAttachmentL- start ") );
+#endif /* _NO_MMSS_LOGGING_ */
+HBufC8* tempContentType = NULL;
+contentTypeString.Set( aAttachmentInfo.MimeType() );
+if ( contentTypeString.Length() == 0 )
+{
+// take type from mime headers
+TInt cotentLength = aMimeHeaders.ContentType().Length();
+TInt subCotentLength = aMimeHeaders.ContentSubType().Length();
+tempContentType = HBufC8::NewL( cotentLength + subCotentLength + 1 );
+CleanupStack::PushL( tempContentType );
+tempContentType->Des().Copy( aMimeHeaders.ContentType() );
+if ( ( aMimeHeaders.ContentType().Find( KMmsSlash8 ) != ( cotentLength - 1 ) ) &&
+( aMimeHeaders.ContentSubType().Find( KMmsSlash8 ) != 0 ) && ( subCotentLength != 0 ) )
+{
+tempContentType->Des().Append( KMmsSlash8 );
+}
+tempContentType->Des().Append( aMimeHeaders.ContentSubType() );
+aAttachmentInfo.SetMimeTypeL( tempContentType->Des() );
+contentTypeString.Set( aAttachmentInfo.MimeType() );
+}
+//map the content type string to content type
+TInt8 i;
+for ( i = 0; i < KNumberContentTypes && contentType < 0; i++ )
+{
+if ( contentTypeString.CompareF( TPtrC8( KContentTypeTable[i] ) ) == 0 )
+{
+contentType = i;
+}
+}
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::CheckAndUpdateAttachmentL- content type:%d" ), contentType );
+#endif /* _NO_MMSS_LOGGING_ */
+//check if this content type need to be encoded using korean specific
+if( IsConversionSupportedContentType( contentType ) )
+{
+/* Do the attachment data conversion from "src type" to "target type" for the given "attached file".
+* Target type encodng MIB enum is obtained from cenrep.
+*/
+retVal = ProcessAndConvertAttachmentDataL( aMimeHeaders.MimeCharset(),
+iTargetEncodingType,
+aAttachmentInfo);
+if( retVal )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::CheckAndUpdateAttachmentL- conv success: Tgt Enc: %d"), iTargetEncodingType );
+#endif /* _NO_MMSS_LOGGING_ */
+//set new charset type in headers and update attachment info
+aMimeHeaders.SetMimeCharset( iTargetEncodingType );
+aMimeHeaders.StoreL(aAttachmentInfo); // save the new charset to attachment as well
+/* mimetype might get reset to original mimeheader content type.
+* ensure the full content type(if created from mime content and subcontent) is set to attachment
+*/
+if( tempContentType != NULL )
+{
+aAttachmentInfo.SetMimeTypeL( tempContentType->Des() );
+CleanupStack::PopAndDestroy( tempContentType );
+}
+}
+}
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::CheckAndUpdateAttachmentL- End , retVal: %d"), retVal );
+#endif /* _NO_MMSS_LOGGING_ */
+return retVal;
+}
+// ---------------------------------------------------------
+// CMmsEncode::ProcessAndConvertAttachmentDataL
+// converts of attachment data from source to target encoding type.
+// |src charset buffer| --->coverted to ---> |unicode buffer| ---> converted to ---> |target charset|
+// Returns false if data is already int target format, or plugins are missing, or file operation issues.
+// ---------------------------------------------------------
+TBool CMmsEncode::ProcessAndConvertAttachmentDataL( TUint aSrcCharSetMIBEnum,
+TUint aTargetCharSetMIBEnum,
+CMsvAttachment& aAttachmentInfo)
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentDataL- start ") );
+#endif /* _NO_MMSS_LOGGING_ */
+if( aSrcCharSetMIBEnum == aTargetCharSetMIBEnum )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentDataL- src and dest are same ") );
+#endif /* _NO_MMSS_LOGGING_ */
+//if source and target charset MIB enums are same.
+return EFalse; // no conversion
+}
+//get source and target charset mapping here. if any error, return
+TUint srcCharSetId = iTextUtils->MibIdToCharconvIdL( aSrcCharSetMIBEnum );
+TUint targetCharSetId = iTextUtils->MibIdToCharconvIdL( aTargetCharSetMIBEnum );
+if( srcCharSetId == targetCharSetId || KDefaultCharConvCharset == targetCharSetId)
+{
+/* If target charset plugin is missing, then default is returned.
+Do not encode to any target encoding type, send data as is .
+*/
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentDataL- missing plugin: Tgt Charset %x"), targetCharSetId );
+#endif /* _NO_MMSS_LOGGING_ */
+return EFalse;
+}
+RFile attachFile;
+TInt error;
+const TDesC& fileName = aAttachmentInfo.FilePath();
+error = attachFile.Open(iFs, fileName, EFileWrite);
+if(error != KErrNone)
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentData:: file: %s, open error: %d"), fileName, error );
+#endif /* _NO_MMSS_LOGGING_ */
+attachFile.Close();
+return EFalse;
+}
+TInt maxLength;
+error = attachFile.Size(maxLength);
+if( error != KErrNone || maxLength == 0 )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentData:: file size: %d, error: %d"), maxLength, error );
+#endif /* _NO_MMSS_LOGGING_ */
+attachFile.Close();
+return EFalse;
+}
+//read the original file data into srcBuffer
+TInt cleanupCount = 0;
+HBufC8* srcBuffer = HBufC8::NewLC( maxLength );
+cleanupCount++;
+TPtr8 srcPtr = srcBuffer->Des();
+attachFile.Read( srcPtr, maxLength );
+//intermediate buffer in the form of unicode.
+HBufC16* unicodeBuffer(NULL);
+//Convert, scrBuffer to unicode format if not already in unicode format
+if(srcCharSetId != 0)
+{
+//Convert from respective foreign charset to unicode buffer.
+//returns buf16 pointer descriptor
+TRAPD(err, unicodeBuffer = iTextUtils->ConvertToUnicodeL(srcPtr, srcCharSetId) );
+if( err != KErrNone )
+{
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentData:: ConvertToUnicodeL error: %d"), err );
+#endif /* _NO_MMSS_LOGGING_ */
+delete unicodeBuffer;
+attachFile.Close();
+CleanupStack::PopAndDestroy( cleanupCount, srcBuffer ); // srcBuffer
+return EFalse;
+}
+CleanupStack::PushL( unicodeBuffer );
+cleanupCount++;
+}
+else
+{
+TInt unicodeStdHeaderWordLE = 0xFEFF;
+TInt unicodeStdHeaderWordBE = 0xFFFE;
+//data is already in unicode format. need to extract the data to 16-bit buffer
+unicodeBuffer = HBufC16::NewLC( maxLength/2 );//maxlength value is in terms of bytes
+cleanupCount++;
+TPtr16 ptr = unicodeBuffer->Des();
+iTextUtils->ConvertPtrToDesC16(srcPtr, ptr);
+/* In case if attachment is UTF-16 format, it will have the UTF-16 representation word(2 butes)
+* at the start. Find and delete it before passing the data for conversion
+*/
+if( ptr[0] == unicodeStdHeaderWordLE || ptr[0] == unicodeStdHeaderWordBE )
+{
+ptr.Delete(0, 1);
+}
+}
+//Now convert unicode buffer to respective target charset type.
+if( targetCharSetId != 0 )
+{
+// reset this file and write new encoded data to it directly
+error = attachFile.SetSize(0);
+#ifndef _NO_MMSS_LOGGING_
+if( error != KErrNone )
+{
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentData:: file size: %d, error: %d"), maxLength, error );
+//attachFile.Close();
+//return EFalse;
+}
+#endif /* _NO_MMSS_LOGGING_ */
+/* convert to target charset id.
+* Ideally, this should not leave with plugin-NOT-found, since it it already verified
+*/
+iTextUtils->ConvertToFileL(*unicodeBuffer, attachFile, targetCharSetId );
+}
+else
+{
+TPtr16 ptr = unicodeBuffer->Des();
+//Reset/erase old file content.
+TInt err = attachFile.SetSize(0);
+//write new encoded data to file using write stream
+RFileWriteStream writer( attachFile );
+writer.PushL();
+writer.WriteL( ptr );
+//writer.CommitL();
+writer.Pop();
+writer.Close();
+}
+//close file
+attachFile.Close();
+CleanupStack::PopAndDestroy( cleanupCount, srcBuffer ); //unicodeBuffer, srcBuffer
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::ProcessAndConvertAttachmentDataL- End, retVal: TRUE") );
+#endif /* _NO_MMSS_LOGGING_ */
+return ETrue;
+}
+// ---------------------------------------------------------
+// CMmsEncode::IsConversionSupportedContentType
+// checks if input content type is supported for target encoding
+// ---------------------------------------------------------
+TBool CMmsEncode::IsConversionSupportedContentType( TInt aContentType )
+{
+/* Currently only "text/plain" content types are supported for korean encoding.
+* Add to the switch case, if any new content type can be supported as well.
+*
+* IMPORTANT:
+* Ensure the values added map to corresponding content type entry in the table KContentTypeTable[],
+* defined in ../inc/mmscodec.h
+*/
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::IsConversionSupportedContentType- start: %d "), aContentType );
+#endif /* _NO_MMSS_LOGGING_ */
+TBool retVal = EFalse;
+switch( aContentType )
+{
+case 0x03 :           // "text/plain"
+{
+retVal = ETrue;
+break;
+}
+default:
+//do nothing
+break;// to avoid compile errors/warning
+}
+#ifndef _NO_MMSS_LOGGING_
+TMmsLogger::Log( _L("CMmsEncode::IsConversionSupportedContentType- end ") );
+#endif /* _NO_MMSS_LOGGING_ */
+return retVal;
+}
+// ================= OTHER EXPORTED FUNCTIONS ==============
+//  End of File

changeset 0	72b543305e3a
child 17	caea42e26caa
child 23	238255e8b033