email/imap4mtm/imapsettings/src/cimapsettings.cpp
changeset 0 72b543305e3a
child 40 224522e33db9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/imap4mtm/imapsettings/src/cimapsettings.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,795 @@
+// Copyright (c) 2006-2009 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:
+// cimapsettings.cpp
+//
+
+#include "cimapsettings.h"
+#include "imappaniccodes.h"
+
+#include <barsc.h>
+#include <barsread.h>		// TResourceReader
+#include <bautils.h>
+#include <cemailaccounts.h>
+#include <f32file.h>
+#include <imcm.rsg>			// resource definition for IMCV
+#include <miuthdr.h>		// For KImEngineResourceFile
+#include <msvutils.h>
+#include <iapprefs.h>
+#include <cimaptransportbuffersizes.h>
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS  
+#include "timrfc822datefield.h"
+#endif
+const TInt KMaxOutstandingFetchRequests = 2;
+
+/**
+Static factory constructor
+
+@return
+The constructed CImapSettings object
+*/
+EXPORT_C CImapSettings* CImapSettings::NewL(CMsvServerEntry& aServerEntry)
+	{
+	CImapSettings* self = new (ELeave) CImapSettings(aServerEntry);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CImapSettings::~CImapSettings()
+	{
+	delete iServiceSettings;
+	delete iIapPrefs;
+	delete iDefaultPartialMessageFooter;
+	delete iDefaultAttachmentName;
+	delete iSyncDownloadRules;
+	delete iTransportBufferSizes;
+	}
+
+CImapSettings::CImapSettings(CMsvServerEntry& aServerEntry)
+: iServerEntry(aServerEntry)
+	{
+	iServiceId = aServerEntry.Entry().Id();
+	}
+
+void CImapSettings::ConstructL()
+	{
+	// create a new CImImap4Settings object initialised to default values.
+	iServiceSettings = new (ELeave) CImImap4Settings;
+
+	iIapPrefs = CImIAPPreferences::NewLC();
+	CleanupStack::Pop(iIapPrefs);
+
+	iSyncDownloadRules = CImapSyncDownloadRules::NewL();
+
+	iTransportBufferSizes = CImapTransportBufferSizes::NewL();
+
+	// read data from resource file (KImEngineResourceFile)
+	ReadResourceFileL();
+	}
+	
+/**
+Returns whether the imap settings are loaded from the central repository.
+
+@return ETrue  account settings have been loaded
+		EFalse otherwise
+*/
+EXPORT_C TBool CImapSettings::SettingsLoaded() const
+	{
+	return iSettingsLoaded;
+	}
+
+/**
+Loads the settings for the specified IMAP Service from the central repository.
+
+Note that this function may modify the context of the CMsvServerEntry passed at
+construction.
+
+@param aId
+The TMsvId for the IMAP Service (or any message entry below the service).
+*/
+EXPORT_C void CImapSettings::LoadSettingsL(const TMsvId aId)
+	{
+	// delete existing service settings
+	delete iServiceSettings;
+	iServiceSettings=NULL;
+
+	// Get somewhere to store service settings
+	iServiceSettings=new (ELeave) CImImap4Settings;
+
+	delete iIapPrefs;
+	iIapPrefs = NULL;
+	iIapPrefs = CImIAPPreferences::NewLC();
+	CleanupStack::Pop(iIapPrefs);
+
+	delete iSyncDownloadRules;
+	iSyncDownloadRules = NULL;
+	iSyncDownloadRules = CImapSyncDownloadRules::NewL();
+
+	delete iTransportBufferSizes;
+	iTransportBufferSizes = NULL;
+	iTransportBufferSizes = CImapTransportBufferSizes::NewL();
+
+	// find the service
+	User::LeaveIfError(iServerEntry.SetEntry(aId));
+	while (iServerEntry.Entry().iType != KUidMsvServiceEntry)
+		{
+		User::LeaveIfError(iServerEntry.SetEntry(iServerEntry.Entry().Parent()));
+		}
+
+	// has the service ID changed?
+	TMsvId serviceId = iServerEntry.Entry().Id();
+	if (iServiceId != serviceId && iServiceId != 0)
+		{
+		TImapServerPanic::ImapPanic(TImapServerPanic::EImapSettingsInvalidService);
+		}
+		
+	iServiceId = serviceId;
+
+	// Get settings for this service
+	CEmailAccounts* account = CEmailAccounts::NewLC();
+ 	TImapAccount accountId;
+	accountId.iImapAccountId = iServerEntry.Entry().MtmData2();  // iMtmData2 of the service entry contains TImapAccountId
+	accountId.iImapAccountName = iServerEntry.Entry().iDetails;
+	accountId.iImapService = iServerEntry.Entry().iServiceId;
+	accountId.iSmtpService = iServerEntry.Entry().iRelatedId;
+	account->LoadImapSettingsL(accountId, *iServiceSettings);
+	account->LoadImapIapSettingsL(accountId, *iIapPrefs);
+	account->LoadImapSyncDownloadRulesL(accountId, *iSyncDownloadRules);
+	account->LoadImapTransportBufferSizesL(*iTransportBufferSizes);
+	CleanupStack::PopAndDestroy(account);
+
+	if (iServiceSettings->PathSeparator() != 0)
+		{
+		// Store the path separator as a 16 bit descriptor.
+		TText16 sep = iServiceSettings->PathSeparator();
+		iPathSeparator.Des().Copy(&sep, 1);
+		}
+
+	iSettingsLoaded = ETrue;
+	}
+
+/**
+Opens the client MTM resource files and reads the values which are used by the
+server MTM. When all values are read, the resource file will be closed. The default 
+resource file is defined by KImEngineResourceFile in miuthdr.h
+
+@leave KErrNotFound if the resource file does not exist
+*/
+void CImapSettings::ReadResourceFileL()
+	{
+	RFs fs;
+	fs.Connect();
+	CleanupClosePushL(fs);
+	
+	//	NB need to check on all drives - won't necessarily be on
+	//	the same one as IMPS.DLL
+	TFileName fileName(KImEngineResourceFile);
+	MsvUtils::AddPathAndExtensionToResFileL(fileName);
+	BaflUtils::NearestLanguageFile( fs, fileName );
+	
+	if (!BaflUtils::FileExists(fs,fileName))
+		{
+		User::Leave(KErrNotFound);
+		}
+	RResourceFile resourceFile;
+	resourceFile.OpenL(fs,fileName);		// Qualified: no leavescan error
+	CleanupClosePushL(resourceFile);
+
+	HBufC8* buffer = NULL;
+	TResourceReader reader;
+	
+	// Read iStore8BitData flag.
+	buffer = resourceFile.AllocReadLC( STORE_8BIT_BODY_TEXT );
+	reader.SetBuffer(buffer);
+	iStore8BitData = reader.ReadInt8();
+	CleanupStack::PopAndDestroy(buffer);
+	buffer = NULL;
+
+	//Read iStorePlainBodyText flag
+	buffer = resourceFile.AllocReadLC( STORE_PLAIN_BODY_TEXT );
+	reader.SetBuffer(buffer);
+	iStorePlainBodyText = reader.ReadInt8();
+	CleanupStack::PopAndDestroy(buffer);
+	buffer = NULL;
+	
+	// Read iDefaultAttachmentName
+	buffer = resourceFile.AllocReadLC( DEFAULT_ATTACHMENT_NAME );
+	reader.SetBuffer(buffer);
+	
+	iDefaultAttachmentName=reader.ReadTPtrC().AllocL();	
+	
+	CleanupStack::PopAndDestroy(buffer);
+	buffer = NULL;
+
+	// Read the string for remaining mail size for footer	
+	buffer = resourceFile.AllocReadLC( PARTIAL_DOWNLOAD_FOOTER_MESSAGE );
+	reader.SetBuffer(buffer);
+	
+	iDefaultPartialMessageFooter = buffer;
+	// No need to destroy buffer-pointer, this class takes ownership
+	CleanupStack::Pop(buffer);
+	
+	CleanupStack::PopAndDestroy(2, &fs);	// resourcefile, fs
+	}
+	
+/**
+Saves modified settings to the central repository.
+*/
+void CImapSettings::SaveSettingsL()
+	{
+	User::LeaveIfError(iServerEntry.SetEntry(iServiceId));
+
+	// Update service entry
+  	CEmailAccounts* account = CEmailAccounts::NewLC();
+ 	TImapAccount accountId;
+	accountId.iImapAccountId = iServerEntry.Entry().MtmData2();  // iMtmData2 of the service entry contains TImapAccountId
+	accountId.iImapAccountName = KNullDesC;  // So that account name is not updated
+	accountId.iImapService = iServerEntry.Entry().iServiceId;
+	accountId.iSmtpService = iServerEntry.Entry().iRelatedId;
+ 	account->SaveImapSettingsL(accountId, *iServiceSettings);
+ 	account->SaveImapIapSettingsL(accountId, *iIapPrefs);
+ 	account->SaveImapSyncDownloadRulesL(accountId, *iSyncDownloadRules);
+ 	account->SaveImapTransportBufferSizesL(*iTransportBufferSizes);
+ 	CleanupStack::PopAndDestroy(account);
+	}
+
+/**
+Retrieves the service ID for the connected IMAP service.
+
+If settings have not been loaded, this will return zero
+
+@return
+TMsvId for the IMAP service, or zero otherwise.
+*/
+EXPORT_C TMsvId CImapSettings::ServiceId() const
+	{
+	return iServiceId;
+	}
+	
+/**
+Retrieves the configured IP address or host name of the email server.
+
+@return
+Email server IP address if it is configured, or empty if not configured.
+*/
+EXPORT_C const TPtrC CImapSettings::ServerAddress() const
+	{
+	return iServiceSettings->ServerAddress();
+	}
+
+/**
+Retrieves the port number of an email server when establishing
+a TCP connection.
+
+@return
+Email server TCP port number.
+*/
+EXPORT_C TUint CImapSettings::Port() const
+	{
+	return iServiceSettings->Port();
+	}
+
+/** 
+Retrieves whether a secure TLS connection will be negotiated over an
+unsecure TCP socket connection when a connection is being established.
+
+Refer to RFC 2595 - "Using TLS with IMAP, POP3 and ACAP" for information
+on how a secure socket is established when retrieving email from a POP3
+or IMAP4 server.
+
+@return
+ETrue if secure sockets are enabled.
+*/
+EXPORT_C TBool CImapSettings::SecureSockets() const
+	{
+	return iServiceSettings->SecureSockets();
+	}
+
+/**
+Whether secure sockets will be used. 
+
+Retrieves whether a secure TLS connection will be established 
+directly over a TLS/SSL socket when connecting to the email server.
+
+The well known port number for a secure TLS IMAP4 connection is 993.
+
+@return
+ETrue if a secure TLS connection will be attempted when establishing
+a connection.
+*/
+EXPORT_C TBool CImapSettings::SSLWrapper() const
+	{
+	return iServiceSettings->SSLWrapper();
+	}
+	
+/**
+Whether bearer mobility is to be used.
+
+@return
+ETrue if the email service has been configured to use bearer mobility
+*/
+EXPORT_C TBool CImapSettings::BearerMobility() const
+	{
+	return iServiceSettings->BearerMobility();
+	}
+
+
+/**
+Retrieves the configured login user name (mailbox) of the IMAP4 service.
+
+@return 
+The user name.
+*/
+EXPORT_C const TPtrC8 CImapSettings::LoginName() const
+	{
+	return iServiceSettings->LoginName();
+	}
+
+/**
+Retrieves the configured login password that will be sent during
+authentication with the IMAP4 server.
+
+@return 
+The password.
+*/
+EXPORT_C const TPtrC8 CImapSettings::Password() const
+	{
+	return iServiceSettings->Password();
+	}
+
+/**
+Retrieves the configured path of the IMAP4 mailbox on the server if the user's
+primary mailbox is not in the Inbox folder.
+
+Most of the time this setting will not have to be configured, however this may need
+to be altered by the user for use with some IMAP4 servers. Refer to RFC 3501
+Section 5.1 Mailbox Naming for more information.
+
+The default setting is empty. 
+
+@return
+The folder path.
+*/
+EXPORT_C const TPtrC8 CImapSettings::FolderPath() const
+	{
+	return iServiceSettings->FolderPath();
+	}
+
+/**
+Retrieves the string to insert when performing search or fetch operations when
+synchronising.
+
+Allows the client to filter the messages to be synchronised.
+
+@return
+The search string.
+*/
+EXPORT_C const TPtrC8 CImapSettings::SearchString() const
+	{
+	return iServiceSettings->SearchString();
+	}
+
+/**
+Retrieves the character configured to separate hierarchical mailbox names on
+the IMAP4 server. Refer to RFC 3501 section 5.1.1 for more information.
+
+The default setting an empty null-terminated string.
+
+@return
+The path separator character.
+*/
+EXPORT_C const TDesC& CImapSettings::PathSeparator() const
+	{
+	return iPathSeparator;
+	}
+	
+
+/**
+Checks if disconnected user mode is configured.
+
+If disconnected user mode is enabled by calling SetDisconnectedUserMode(), 
+then the IMAP4 client MTM (CImap4ClientMtm) will accept message operations, 
+such as deleting messages from a server, while the user is offline.
+The operations are stored and executed when the user connects again.
+
+@see
+CImap4ClientMtm
+
+@return 
+ETrue if disconnected user mode is enabled.
+*/
+EXPORT_C TBool CImapSettings::DisconnectedUserMode() const
+	{
+	return iServiceSettings->DisconnectedUserMode();
+	}
+
+
+/**
+Retrieves the method for synchronising folder information with the server. 
+
+The default setting is EUseRemote.
+
+@see
+TFolderSyncType
+
+@return
+The folder synchronisation method.
+*/
+EXPORT_C TFolderSyncType CImapSettings::Synchronise() const
+	{
+	return iServiceSettings->Synchronise();
+	}
+
+/**
+Retrieves the configured method for synchronising IMAP4 subscription information
+with a server.
+
+The default setting is EUpdateNeither.
+
+@see
+TFolderSubscribeType
+
+@return
+The subscription method.
+*/
+EXPORT_C TFolderSubscribeType CImapSettings::Subscribe() const
+	{
+	return iServiceSettings->Subscribe();
+	}
+
+/** 
+Checks whether the caller has enabled messages marked to be deleted while offline
+to be expunged from the server when disconnecting from the next online session.
+
+Otherwise they are marked for delete and expunged during the initial
+synchronisation.
+
+@return
+ETrue if emails are to be deleted during the disconnection phase.
+*/
+EXPORT_C TBool CImapSettings::DeleteEmailsWhenDisconnecting() const
+	{
+	return iServiceSettings->DeleteEmailsWhenDisconnecting();
+	}
+
+/** 
+Returns whether or not the IMAP4 service will synchronise the Inbox folder
+after connecting, or the maximum number of new messages that will be synchronised
+if there are new messages on the server.
+
+@return
+If negative, the IMAP4 service will synchronise all emails after connecting.
+If zero, the IMAP4 service will not synchronise after connecting.
+If positive, the IMAP4 service will synchronise to the n most recent emails,
+where n is this return value.
+*/
+EXPORT_C TInt32 CImapSettings::InboxSynchronisationLimit() const
+	{
+	return iServiceSettings->InboxSynchronisationLimit();
+	}
+
+/** 
+Returns whether or not the IMAP4 service will synchronise folders
+other than the Inbox after connecting, or the maximum number of messages that
+will be synchronised in the folders.
+
+@return
+If negative, the IMAP4 service will synchronise all emails after connecting.
+If zero, the IMAP4 service will not synchronise after connecting.
+If positive, the IMAP4 service will synchronise to the n most recent emails,
+where n is this return value.
+*/
+EXPORT_C TInt32 CImapSettings::MailboxSynchronisationLimit() const
+	{
+	return iServiceSettings->MailboxSynchronisationLimit();
+	}
+
+/**
+Retrieves whether the IMAP4 seen flag of new messages will be set on the server only
+when the message has been marked as read, or when the message has been synchronised.
+
+The default setting is EFalse which means that the seen flag will be set on the
+server when the new message has been synchronised with the client. The messaging
+application can mark the message as being read (seen) by calling TMsvEntry::SetUnread().
+
+@see TMsvEntry
+
+@return
+Returns ETrue if the seen flag is set on the IMAP4 server only when
+the message has been marked as read.
+Returns EFalse if the seen flag is set on the IMAP4 server when the new message
+is retrieved from the server. 
+*/
+EXPORT_C TBool CImapSettings::UpdatingSeenFlags() const
+	{
+	return iServiceSettings->UpdatingSeenFlags();
+	}
+
+/**
+Retrieves the IMAP fetch size.
+
+When downloading large attachments, data is requested (fetched) in increments. 
+The larger the fetch size, fewer fetch commands are sent to the IMAP4 server.
+This speeds up the attachment download rate, but only to a limit.  The limit is
+network specific.  A fetch size that is too large will degrade performance shortly
+after downloading an attachment is cancelled, because the fetched data will still
+be incomming on the socket after cancellation. 
+
+@return
+The IMAP fetch size in bytes.
+*/
+EXPORT_C TUint CImapSettings::FetchSize() const
+	{
+	return iServiceSettings->FetchSize();
+	}
+
+/**
+Retrieves whether the IMAP IDLE command should be used as defined in RFC2177.
+
+The default setting is ETrue which means that the IMAP IDLE command will be used
+if the server supports it.
+
+@return
+Returns ETrue if the IMAP IDLE command should be used provided the server supports it.
+Returns EFalse if the IMAP IDLE command should not be used. 
+*/	
+EXPORT_C TBool CImapSettings::ImapIdle() const
+	{
+	return iServiceSettings->ImapIdle();
+	}
+
+/**
+Retrieves the IMAP IDLE timeout in seconds.
+
+@return
+The IMAP IDLE timeout in seconds. A value of zero specifies that the 
+IDLE command should not timeout.
+*/	
+EXPORT_C TInt CImapSettings::ImapIdleTimeout() const
+	{
+	return iServiceSettings->ImapIdleTimeout();
+	}
+
+/**
+Retrieves the SSL domain name
+
+@return SSL domain name
+*/	
+EXPORT_C TPtrC8 CImapSettings::TlsSslDomain() const
+	{
+	return iServiceSettings->TlsSslDomain();
+	}
+
+/**
+Retrieves the IAP preferences.
+
+@return
+The IAP preferences.
+*/	
+EXPORT_C const CImIAPPreferences& CImapSettings::IAPPreferences() const
+	{
+	return *iIapPrefs;
+	}
+
+/**
+Retrieves the value of the Store8BitData flag. The value of the flag is read
+from a resource file during construction of this class.
+
+@return
+0 indicates that the message must be converted to 16 bits before storing in the
+message store, every other value indicates that the message is not converted.
+*/
+EXPORT_C TInt CImapSettings::Store8BitData() const
+	{
+	return iStore8BitData;
+	}
+
+/**
+Retrieves the default attachment name. The descriptor is read from a
+resource file during construction of this class.
+
+@return
+The default attachment name descriptor as stored in the resource file.
+*/
+EXPORT_C const TDesC& CImapSettings::DefaultAttachmentName() const
+	{
+	__ASSERT_DEBUG( iDefaultAttachmentName, 
+					TImapServerPanic::ImapPanic(TImapServerPanic::EImapSettingsNoDefaultAttachmentFile) );
+	return *iDefaultAttachmentName;
+	}
+
+/**
+Retrieves the default partial message footer. The descriptor is read from a
+resource file during construction of this class.
+
+@return
+The the default partial message footer descriptor as stored in the resource file
+*/
+EXPORT_C const HBufC8* CImapSettings::DefaultPartialMessageFooter() const
+	{
+	__ASSERT_DEBUG( iDefaultPartialMessageFooter, 
+					TImapServerPanic::ImapPanic(TImapServerPanic::EImapSettingsNoMessageFooter) );
+	return iDefaultPartialMessageFooter;
+	}
+
+
+/**
+Allows the path separator used by the server to be set. This parameter is
+returned in the response to a LIST command.
+
+The settings are written to the central repository.
+
+@param  aPathSeparator
+The path separator used by the remote server.
+*/	
+EXPORT_C void CImapSettings::SetPathSeparatorL(const TText8 aPathSeparator)
+	{
+	iServiceSettings->SetPathSeparator(aPathSeparator);
+	SaveSettingsL();
+
+	// Store the path separator as a 16 bit descriptor.
+	TText16 sep = aPathSeparator;
+	iPathSeparator.Des().Copy(&sep, 1);
+	}
+
+/**
+Check whether the KImap4EmailExpungeFlag is set in 
+CImImap4Settings
+
+@return
+Returns ETrue if the KImap4EmailExpungeFlag was set in
+CImImap4Settings::SetUseExpunge.
+*/
+EXPORT_C TBool CImapSettings::UseExpunge() const
+	{	
+	return iServiceSettings->UseExpunge();
+	}
+
+/**
+Indicates whether to use download rules during account synchronisation
+operations.
+
+@return ETrue if download rules should be used, EFalse if not
+*/
+EXPORT_C TBool CImapSettings::UseSyncDownloadRules() const
+	{	
+	return iServiceSettings->UseSyncDownloadRules();
+	}
+
+/**
+Allows the current bearer type to be set.
+
+@param aBearerType: the current bearer type
+*/
+EXPORT_C void CImapSettings::SetCurrentBearerType(TUint32 aBearerType)
+	{
+	iCurrentBearerType = aBearerType;
+	}
+
+/**
+Gets the synchronisation download rule for the currently connected bearer type.
+
+A rule is returned only if the bearer types associated with the rule contain
+all the bearer types specified in the passed in value.
+
+Invalid arguments passed to the routine will cause a panic on debug builds
+but a leave with KErrArgument on a release build.
+
+@param aType Type of folder the rule is for (inbox or other folder)
+@param aMailInfo On successful completion, this holds the mail info for the rule
+
+@return The position of the rule in the list, or KErrNotFound if no matching
+        bearer type was found.
+*/
+EXPORT_C TInt CImapSettings::GetSyncDownloadRuleL(CImapSyncDownloadRules::TRulesType aType, TImImap4GetPartialMailInfo& aMailInfo) const
+	{
+	if (iCurrentBearerType != 0)
+		{
+		return iSyncDownloadRules->GetMailInfoL(aType, iCurrentBearerType, aMailInfo);
+		}
+	else
+		{
+		return KErrNotFound;	
+		}
+	
+	}
+
+/**
+Gets the transport buffer sizes for the currently connected bearer type.
+
+The buffer sizes specify the amount of data fetched for each fetch command,
+and also the number of outstanding requests that may be pipelined at any one
+time. These parameters are configurable on a per-bearer-type basis, via the
+client mtms API CImapTransportBufferSizes.
+
+If a settings entry is not included for the current bearer-type, the maximum 
+fetch size is taken from the CImap4Settings class for the account, and the
+number of outstanding requests is set to the default value.
+
+@param aType Type of folder the rule is for (inbox or other folder)
+@param aMailInfo On successful completion, this holds the mail info for the rule
+
+@return The position of the rule in the list, or KErrNotFound if no matching
+        bearer type was found.
+*/
+EXPORT_C void CImapSettings::GetTransportBufferSizesL(TUint& aFetchRequestSize, TUint& aMaxOutstandingFetchResponses) const
+	{
+	TInt err = KErrNotFound;
+
+	if (iCurrentBearerType != 0)
+		{
+		err = iTransportBufferSizes->GetSizesL(iCurrentBearerType, (TInt&) aFetchRequestSize, (TInt&) aMaxOutstandingFetchResponses);
+		}
+
+	if (err < KErrNone)
+		{
+		aFetchRequestSize = FetchSize();
+		aMaxOutstandingFetchResponses = KMaxOutstandingFetchRequests;
+		}
+	}
+
+/**
+Retrieves the value of the StorePlainBodyText flag. The value of the 
+flag is read from a resource file during construction of this class.
+
+@return
+1 indicates that the message must be stored in chunks in the message store, 
+0 indicates that the message must be stored entirely in a single Store operation.
+*/
+EXPORT_C TInt CImapSettings::StorePlainText() const
+	{
+	return iStorePlainBodyText;
+	}
+
+/**
+Check whether the KImap4EmailSettingsFolderSyncDisabled is set in 
+CImImap4Settings, ie returns true if folder sync is disabled.
+
+@return
+Returns ETrue if the KImap4EmailSettingsFolderSyncDisabled
+was set in CImImap4Settings::SetFolderSyncDisabled.
+*/
+EXPORT_C TBool CImapSettings::FolderSyncDisabled() const
+	{
+	return iServiceSettings->FolderSyncDisabled();
+	}
+	
+#if (defined SYMBIAN_EMAIL_CAPABILITY_SUPPORT)
+/**
+Check whether the KImap4EmailSettingsFallBackIsOnFlagEnabled is set in 
+CImImap4Settings, ie returns true if Fallback   is enabled.
+
+@return
+Returns ETrue if the KImap4EmailSettingsFallBackIsOnFlagEnabled
+was set in CImapSettings::SetFallBack() Enabled.
+*/
+EXPORT_C TBool CImapSettings::FallBack() const
+	{
+	return iServiceSettings->FallBack();
+	}
+
+/**
+Check whether the KImap4EmailSettingsAuthenticationFlagEnabled is set in 
+CImImap4Settings, ie returns true if Authentication   is enabled.
+
+@return
+Returns ETrue if the KImap4EmailSettingsAuthenticationFlagEnabled
+was set in CImapSettings::SetIMAP4Auth() Enabled.
+*/
+EXPORT_C TBool CImapSettings::IMAP4Auth() const
+	{
+	return iServiceSettings->IMAP4Auth();
+	}
+#endif