--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/pop3andsmtpmtm/clientmtms/src/CIMPLAINBODYTEXT.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,471 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+// CIMPLAINBODYTEXT.CPP
+//
+
+#include "MIUTMSG.H"
+#include "MIUTCONV.H"
+#include "MIUT_ERR.H"
+#include "CIMPLAINBODYTEXT.H"
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS 
+#include "cimmessagepart.h" 
+#include "cimconvertcharconv.h"
+#include "miut_errconsts.h"
+#endif
+#include <cmsvplainbodytext.h>
+
+/**
+NewL Factory method.
+@param	aEmailMessage.   The CImEmailMessage refernce corresponding to the message whose body text is being processed.
+@param	aMsvEntry.		 The CMsvEntry correspoding to the message being processed.
+@param  aEntryType.		 The TImEmailEntryType for the message.
+@param	aChunkLength.	 The length of the chunk that will be stored/restored in a single operation.
+@param  aWriteMode.		 Indicates whether CMsvStore needs to be opened in Read/Write mode.
+						 ETrue indicates Write mode.
+						 EFalse indicates Read mode.
+@return CImPlainBodyText.Pointer to CImPlainBodyText.
+*/	
+CImPlainBodyText* CImPlainBodyText::NewL(CImEmailMessage& aEmailMessage, CMsvEntry& aMsvEntry, CImEmailMessage::TImEmailEntryType aEntryType, TInt aChunkLength, TBool aWriteMode)
+	{
+	CImPlainBodyText* self = new (ELeave) CImPlainBodyText(aEmailMessage, aMsvEntry);
+	CleanupStack::PushL(self);
+	self->ConstructL(aChunkLength, aEntryType, aWriteMode);
+	CleanupStack::Pop();
+	return self;
+	}
+
+/**
+Constructor
+@param	aEmailMessage. The CImEmailMessage refernce corresponding to the message whose body text is 
+@param	aMsvEntry.	   The CMsvEntry correspoding to the message being processed.
+@return None.
+*/
+CImPlainBodyText::CImPlainBodyText(CImEmailMessage& aEmailMessage, CMsvEntry& aMsvEntry)
+: CMsgActive(EPriorityNormal), iEmailMessage(aEmailMessage), iMsvEntry(aMsvEntry)
+	{
+	}
+
+/**
+The 2nd Phase construction.
+*/	
+void CImPlainBodyText::ConstructL(TInt aChunkLength, CImEmailMessage::TImEmailEntryType aEntryType, TBool aWriteMode)
+	{
+	iMessageId = iMsvEntry.EntryId();
+	RArray<TMsvId> textIdArray;
+	CleanupClosePushL (textIdArray);
+	iEmailMessage.GetBodyTextEntryIdL(iMessageId, aEntryType);	
+	
+	// A message may contain more than one text part.
+	TInt count = iEmailMessage.Selection().Count();
+	for(TInt i=0;i<count;++i)
+		{
+		textIdArray.Append(iEmailMessage.Selection().At(i));
+		}
+		
+	TUint charset = 0; // Will contain the charset when GetCharacterSetL returns.
+	TBool override = EFalse; // Will be set to ETrue if the existing charset was overidden.
+	iEmailMessage.GetCharacterSetL(iMessageId,charset,override);	
+	
+	if(aWriteMode)
+		{
+		RFs& fileSvrSession = iMsvEntry.Session().FileSession();
+		
+		CCnvCharacterSetConverter* characterConverter = CCnvCharacterSetConverter::NewL();
+		CleanupStack::PushL(characterConverter);
+		
+		CImConvertCharconv* charConv = CImConvertCharconv::NewL(*characterConverter, fileSvrSession);
+		CleanupStack::PushL(charConv);
+		
+		TUint defaultCharset = charConv->DefaultCharset();
+		CleanupStack::PopAndDestroy(2,characterConverter); // charConv, characterConverter
+		
+		iMsvEntry.SetEntryL(textIdArray[0]);
+		iStore = iMsvEntry.EditStoreL();
+		// Body text is stored in MailStore as 16 bit so set iIs8Bit to EFalse.
+		iPlainTextArray.Append(iStore->InitialisePlainBodyTextForWriteL(EFalse, charset, defaultCharset));	
+		}	
+	else
+		{
+		TInt textIdCount = textIdArray.Count();
+		for(TInt i=0; i<textIdCount; ++i)
+			{
+			// Pointing to the text entry.
+			iMsvEntry.SetEntryL(textIdArray[i]);	
+			CMsvStore* store = iMsvEntry.ReadStoreL();
+			CleanupStack::PushL(store);
+			
+			iPlainTextArray.Append( store->InitialisePlainBodyTextForReadL(aChunkLength));
+			// if the existing charset was overidden by calling CImEmailMessage::SetCharacterSetL
+			if(override)
+				{
+				iPlainTextArray[i]->SetCharacterSetL(charset);
+				}
+			CleanupStack::PopAndDestroy(store);
+			store = NULL;
+			}
+		}
+	CleanupStack::PopAndDestroy(&textIdArray);
+	CActiveScheduler::Add(this);
+	}
+
+/**
+Destructor
+*/
+EXPORT_C CImPlainBodyText::~CImPlainBodyText()
+	{
+	delete iStoreMessagePart;
+	iPlainTextArray.ResetAndDestroy();
+	iPlainTextArray.Close();	
+	delete iStore;
+	}
+
+/**
+Store the plain body text part in chunks.
+@param aChunk. 				The 8 bit chunk that is to be stored.
+@param aStatus. 			The TRequestStatus parameter for this request.
+@leave KErrAccessDenied.	If CMsvStore was opened in Read mode or
+							If CommitL is already called.
+@leave Other 				Standard system-wide error codes.
+@return void.
+*/
+EXPORT_C void CImPlainBodyText::StoreChunkL(const TDesC8& aChunk, TRequestStatus& aStatus)
+	{
+	iPlainTextArray[0]->StoreChunkL(aChunk, aStatus);
+	}
+
+
+/**
+Store the plain body text part in chunks,synchronous version.
+@param aChunk. 				The 8 bit chunk that is to be stored.
+@leave KErrAccessDenied.	If CMsvStore was opened in Read mode or
+							If CommitL is already called.
+@leave Other 				Standard system-wide error codes.
+@return void.
+*/
+EXPORT_C void CImPlainBodyText::StoreChunkL(const TDesC8& aChunk)
+	{
+	iPlainTextArray[0]->StoreChunkL(aChunk);
+	}
+
+/**
+Store the body part in chunks(16 bit version).
+@param aChunk 			 The 16 bit chunk that is to be stored.
+@param aStatus	 		 The TRequestStatus parameter for this request.
+@leave KErrNotSupported  If the 8-bit storage was enabled.
+@leave KErrAccessDenied  If CMsvStore was opened in Read mode or
+						 IfCommitL is already called.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::StoreChunkL(const TDesC16& aChunk, TRequestStatus& aStatus)
+	{
+	iPlainTextArray[0]->StoreChunkL(aChunk, aStatus);
+	}
+
+/**
+Store the body part in chunks(16 bit synchronous version).
+@param aChunk 			 The 16 bit chunk that is to be stored.
+@leave KErrNotSupported  If the 8-bit storage was enabled.						 
+@leave KErrAccessDenied  If CMsvStore was opened in Read mode or
+						 If CommitL is already called.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::StoreChunkL(const TDesC16& aChunk)
+	{
+	iPlainTextArray[0]->StoreChunkL(aChunk);
+	}
+	
+
+
+/**
+Converts and stores the CRichText contents to a plain text.
+@param aRichText 		 The CRichText object that will be stored as plain body text.
+@leave KErrNotSupported  If the 8-bit storage was enabled.
+@leave KErrAccessDenied  If CMsvStore was opened in Read mode or
+						 If CommitL is already called.
+@leave Other 			 Standard system-wide error codes.
+@return void.
+*/
+EXPORT_C void CImPlainBodyText::StoreRichTextAsPlainTextL(CRichText& aRichText)
+	{
+	iPlainTextArray[0]->StoreRichTextAsPlainTextL(aRichText);
+	}
+
+/**
+Retrieve the next chunk of the plain body text.
+@param aChunk 			 The output parameter contains the requested chunk.
+@param aStatus.			 The TRequestStatus for this request.
+@leave KErrAccessDenied  If CMsvStore was opened in Write mode.
+@leave KErrNotSupported  If 16-bit storage is enabled.
+@leave KErrUnderflow 	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 				Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::NextChunkL(TDes8& aChunk, TRequestStatus& aStatus)
+	{
+	__ASSERT_DEBUG(iChunkRetrievalState == EIdleState, gPanic(EImcmNonIdleRetrievalState));
+	iChunkRetrievalState = ENextChunk8Bit;
+	
+	iChunk8 = &aChunk;
+	iChunk16 = NULL;	
+	iPlainTextArray[iIndex]->NextChunkL(aChunk, iStatus);
+	SetActive();
+	Queue(aStatus);
+	}
+
+/**
+Retrieve the next chunk of the plain body text.
+@param aChunk 			 The output parameter contains the requested chunk.
+@leave KErrNotSupported  If CMsvStore was opened in Write mode.
+@leave KErrNotSupported  If 16-bit storage is enabled.
+@leave KErrUnderflow	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::NextChunkL(TDes8& aChunk)
+	{
+	iPlainTextArray[iIndex]->NextChunkL(aChunk);
+	// If there is more than one text part for the message move to next text part.
+	if(aChunk.Length() == 0 && iIndex + 1 < iPlainTextArray.Count())
+		{
+		iPlainTextArray[++iIndex]->NextChunkL(aChunk);
+		}
+	}
+
+
+
+/**
+Restore the plain body text into chunks.
+@param aChunk  			The output parameter contains the requested chunk on completion.
+@param aStatus 			The TRequestStatus parameter for this request.
+@leave KErrNotSupported If CMsvStore was opened in Write mode.
+@leave KErrUnderflow	If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::NextChunkL(TDes16& aChunk, TRequestStatus& aStatus)
+	{
+	__ASSERT_DEBUG(iChunkRetrievalState == EIdleState, gPanic(EImcmNonIdleRetrievalState));
+	iChunkRetrievalState = ENextChunk16Bit;
+			
+	iChunk16 = &aChunk;
+	iChunk8 = NULL;
+	iPlainTextArray[iIndex]->NextChunkL(aChunk, iStatus);
+	SetActive();
+	Queue(aStatus);
+	}
+
+/**
+Restores the plain body text into chunks.
+@param aChunk  			 The output parameter contains the requested chunk on completion.
+@leave KErrNotSupported  If CMsvStore was opened in Write mode.
+@leave KErrUnderflow	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::NextChunkL(TDes16& aChunk)
+	{
+	iPlainTextArray[iIndex]->NextChunkL(aChunk);
+	// If there is more than one text part for the message move to next text part.
+	if(aChunk.Length() == 0 && iIndex + 1 < iPlainTextArray.Count())
+		{
+		iPlainTextArray[++iIndex]->NextChunkL(aChunk);
+		}
+	}
+
+/**
+Retrieve the next chunk of the plain body text.
+@param aChunk 			 The output parameter contains the requested chunk.
+@leave KErrNotSupported  If CMsvStore was opened in Write mode.
+@leave KErrNotSupported  If 16-bit storage is enabled.
+@leave KErrUnderflow	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::PreviousChunkL(TDes8& aChunk, TRequestStatus& aStatus)
+	{
+	__ASSERT_DEBUG(iChunkRetrievalState == EIdleState, gPanic(EImcmNonIdleRetrievalState));
+	iChunkRetrievalState = EPreviousChunk8Bit;
+	
+	iChunk8 = &aChunk;
+	iChunk16 = NULL;	
+	iPlainTextArray[iIndex]->PreviousChunkL(aChunk, iStatus);
+	SetActive();
+	Queue(aStatus);
+	}
+
+
+/**
+Retrieve the next chunk of the plain body text.
+@param aChunk 			 The output parameter contains the requested chunk.
+@leave KErrNotSupported  If CMsvStore was opened in Write mode.
+@leave KErrNotSupported  If 16-bit storage is enabled.
+@leave KErrUnderflow	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::PreviousChunkL(TDes8& aChunk)
+	{
+	iPlainTextArray[iIndex]->PreviousChunkL(aChunk);
+	// If message had more than one text part move to previous text part.
+	if(aChunk.Length() == 0 && iIndex - 1 >= 0)
+		{
+		iPlainTextArray[--iIndex]->PreviousChunkL(aChunk);
+		}
+	}	
+
+/**
+Restore the plain body text into chunks.
+@param aChunk            The output parameter contains the requested chunk on completion.
+@param aStatus	         The TRequestStatus parameter for this request.
+@leave KErrNotSupported  If CMsvStore was opened in Write mode.
+@leave KErrUnderflow	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::PreviousChunkL(TDes16& aChunk, TRequestStatus& aStatus)
+	{
+	__ASSERT_DEBUG(iChunkRetrievalState == EIdleState, gPanic(EImcmNonIdleRetrievalState));
+	iChunkRetrievalState = EPreviousChunk16Bit;
+	
+	iChunk16 = &aChunk;
+	iChunk8 = NULL;
+	iPlainTextArray[iIndex]->PreviousChunkL(aChunk, iStatus);
+	SetActive();
+	Queue(aStatus);
+	}
+
+/**
+Restore the plain body text into chunks.
+@param aChunk            The output parameter contains the requested chunk on completion.
+@leave KErrNotSupported  If CMsvStore was opened in Write mode.
+@leave KErrUnderflow	 If aChunk MaxLength is less than iChunkMaxLength.
+@leave Other 			 Standard system-wide error codes.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::PreviousChunkL(TDes16& aChunk)
+	{
+	iPlainTextArray[iIndex]->PreviousChunkL(aChunk);
+	// If message had more than one text part move to previous text part.
+	if(aChunk.Length() == 0 && iIndex - 1 >= 0)
+		{
+		iPlainTextArray[--iIndex]->PreviousChunkL(aChunk);
+		}
+	}	
+
+
+
+void CImPlainBodyText::DoRunL()
+	{
+	__ASSERT_DEBUG(iChunkRetrievalState != EIdleState, gPanic(EImcmIdleRetrievalState));
+	
+	TBool callComplete = ETrue;
+	switch(iChunkRetrievalState)
+		{
+		// DoRunL is called as a result to a call to 8-bit asynchronous NextChunkL.
+		case ENextChunk8Bit:
+			{ 
+			// Check if there are more than one body text part.
+			if(iChunk8->Length() == 0 && iIndex + 1 < iPlainTextArray.Count())
+				{
+				iPlainTextArray[++iIndex]->NextChunkL(*iChunk8, iStatus);
+				SetActive();
+				callComplete = EFalse;
+				}
+			break;
+			}
+		case ENextChunk16Bit:
+			{
+			// Check if there are more than one body text part
+			if(iChunk16->Length() == 0 && iIndex + 1 < iPlainTextArray.Count())
+				{
+				iPlainTextArray[iIndex]->NextChunkL(*iChunk16, iStatus);
+				SetActive();
+				callComplete = EFalse;
+				}
+			break;	
+			}
+	
+		case EPreviousChunk8Bit:
+			{
+			// DoRunL is called as a result to a call to 8-bit asynchronous PreviousChunkL.
+			if(iChunk8->Length() == 0 && iIndex - 1 >= 0)
+				{
+				iPlainTextArray[--iIndex]->NextChunkL(*iChunk8, iStatus);
+				SetActive();
+				callComplete = EFalse;
+				}
+			break;	
+			}
+		case EPreviousChunk16Bit:
+			{
+			if(iChunk16->Length() == 0 && iIndex - 1 >= 0)
+				{
+				iPlainTextArray[--iIndex]->PreviousChunkL(*iChunk16, iStatus);
+				SetActive();
+				callComplete = EFalse;
+				}
+			break;	
+			}
+		default:
+			{
+			__ASSERT_DEBUG(iChunkRetrievalState != EIdleState, gPanic(EImcmIdleRetrievalState));
+			break;
+			}
+		
+		}
+	if(callComplete)	
+		{
+		Complete(iStatus.Int());
+		iChunkRetrievalState = EIdleState;
+		}
+	}
+
+/**
+Commits the email message after it has been completed.
+@param aStatus      The  TRequestStatus parameter for this request.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::CommitL(TRequestStatus& aStatus)
+	{
+	iPlainTextArray[0]->CommitL();
+	delete iStore;
+	iStore = NULL;
+	iStoreMessagePart = CImStoreMessagePart::StorePlainBodyTextL(aStatus, iMsvEntry, iMessageId);
+	}
+
+
+/**
+Commits the email message after it has been completed along with mime header for this message.
+@param aStatus      The TRequestStatus parameter for this request.
+@param aMimeHeader  The CMimeHeader for this message.
+@return void
+*/
+EXPORT_C void CImPlainBodyText::CommitL(TRequestStatus& aStatus, CImMimeHeader& aMimeHeader)
+	{
+	// Commit the file.This will close the plainbody text file.
+	iPlainTextArray[0]->CommitL();
+	delete iStore;
+	iStore = NULL;
+	iStoreMessagePart = CImStoreMessagePart::StorePlainBodyTextL(aStatus, iMsvEntry, iMessageId, aMimeHeader);
+	}
+
+/**
+Cancels the relavent CMsvPlainBodyText object
+*/	
+void CImPlainBodyText::DoCancel()
+	{
+	iPlainTextArray[iIndex]->Cancel();
+	}