// Copyright (c) 1999-2009 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:

// smut.cpp

//

#include <smut.h>

#include <gsmuieoperations.h>

#include <e32std.h>

#include <gsmumsg.h>

#include <msvstd.h>

#include <cntdb.h>

#include <cntfield.h>

#include <cntitem.h>

#include <cntfldst.h>

#include <msventry.h>

#include <msvuids.h>

#include <msvapi.h>

#include <txtetext.h>

#include <gsmubuf.h>

#include <bautils.h>

#include <barsc.h>

#include <smss.rsg>

#include <smss.hrh>

#include <msvutils.h>

#include "SMCMMAIN.H"

#include "SMUTSET.H"

// Used by ValidGsmNumber(). The characters that may appear at the start of a

// valid GSM number

_LIT(KSmsValidGsmNumberFirstChar, "+");

// Used by ValidGsmNumber(). The characters that may appear after the first

// character of a valid GSM number

_LIT(KSmsValidGsmNumberOtherChar, "#*");

const TInt KSmsValidGsmNumberMinLength = 2;

/**

Finds and returns all the Service IDs for the specified MTM.

A Service ID is the entry ID for an service-type entry. The first Service ID

for the specified MTM is returned.

If the complete set of Service IDs for the MTM is required then the caller

should provide a valid CMsvEntrySelection object in aServiceIds. The Service

Ids are appended to this object. If the complete set is not required then the

input/output argument aServiceIds should be set to NULL.

@param	aEntry

A server message entry that can be used by this function.

@param	aFirstId

An output argument with the first Service ID.

@param	aMtm

The specified MTM. This has a default value of KUidMsgTypeSMS.

@param	aServiceIds

An input/output argument with the complete selection of Service IDs.  This has

a default value of NULL.

@leave	KErrNotFound

A service entry could not be found for the specified MTM.

*/

EXPORT_C void TSmsUtilities::ServiceIdL(CMsvServerEntry& aEntry, TMsvId& aFirstId, TUid aMtm, CMsvEntrySelection* aServiceIds)

	{

	aFirstId = KMsvNullIndexEntryId;

	CMsvEntrySelection* selection = new (ELeave) CMsvEntrySelection();

	CleanupStack::PushL(selection);

	User::LeaveIfError(aEntry.SetEntry(KMsvRootIndexEntryId));

	TMsvSelectionOrdering order;

	order.SetShowInvisibleEntries(ETrue);

	aEntry.SetSort(order);

	// Get the children on the Root Index Entry

	User::LeaveIfError(aEntry.GetChildrenWithType(KUidMsvServiceEntry, *selection));

	TInt count = selection->Count();

	// Find an entry for MTM aMtm

	for (TInt curChild = 0; curChild < count && (aFirstId == KMsvNullIndexEntryId || aServiceIds); ++curChild)

		{

		User::LeaveIfError(aEntry.SetEntry(selection->At(curChild)));

		CompareEntryL(aEntry.Entry(), aMtm, aFirstId, aServiceIds);

		}

	// Leave if no Service Entry found for MTM aMtm

	if (aFirstId == KMsvNullIndexEntryId)

		User::Leave(KErrNotFound);

	CleanupStack::PopAndDestroy(selection);

	}

/**

Finds and returns all the Service IDs for the specified MTM.

A Service ID is the entry ID for an service-type entry. The first Service ID

for the specified MTM is returned.

If the complete set of Service IDs for the MTM is required then the caller

should provide a valid CMsvEntrySelection object in aServiceIds. The Service

Ids are appended to this object. If the complete set is not required then the

input/output argument aServiceIds should be set to NULL.

@param	aSession

A message server session.

@param	aFirstId

An output argument with the first Service ID.

@param	aMtm

The specified MTM. This has a default value of KUidMsgTypeSMS.

@param	aServiceIds

An input/output argument with the complete selection of Service IDs.  This has

a default value of NULL.

@leave	KErrNotFound

A service entry could not be found for the specified MTM.

*/

EXPORT_C void TSmsUtilities::ServiceIdL(CMsvSession& aSession, TMsvId& aFirstId, TUid aMtm, CMsvEntrySelection* aServiceIds)

 	{

 	TMsvSelectionOrdering order;

 	order.SetShowInvisibleEntries(ETrue);

 	CMsvEntry* root = CMsvEntry::NewL(aSession, KMsvRootIndexEntryId, order);

 	CleanupStack::PushL(root);

 	ServiceIdL(*root, aFirstId, aMtm, aServiceIds);

 	CleanupStack::PopAndDestroy(root);

 	}

/**

Finds and returns all the Service IDs for the specified MTM.

A Service ID is the entry ID for an service-type entry. The first Service ID

for the specified MTM is returned.

If the complete set of Service IDs for the MTM is required then the caller

should provide a valid CMsvEntrySelection object in aServiceIds. The Service

Ids are appended to this object. If the complete set is not required then the

input/output argument aServiceIds should be set to NULL.

@param	aEntry

A message entry that can be used by this function.

@param	aFirstId

An output argument with the first Service ID.

@param	aMtm

The specified MTM. This has a default value of KUidMsgTypeSMS.

@param	aServiceIds

An input/output argument with the complete selection of Service IDs.  This has

a default value of NULL.

@leave	KErrNotFound

A service entry could not be found for the specified MTM.

*/

EXPORT_C void TSmsUtilities::ServiceIdL(CMsvEntry& aEntry, TMsvId& aFirstId, TUid aMtm, CMsvEntrySelection* aServiceIds)

	{

	aFirstId = KMsvNullIndexEntryId;

 	TMsvSelectionOrdering order(aEntry.SortType());

 	if (!order.ShowInvisibleEntries())

 		{

 		order.SetShowInvisibleEntries(ETrue);

 		aEntry.SetSortTypeL(order);

 		}

   	aEntry.SetEntryL(KMsvRootIndexEntryId);

 	const TInt count = aEntry.Count();

	// Find an entry for MTM aMtm

	for (TInt curChild = 0; curChild < count && (aFirstId == KMsvNullIndexEntryId || aServiceIds != NULL); ++curChild)

		{

		CompareEntryL(aEntry[curChild], aMtm, aFirstId, aServiceIds);

		}

	// Leave if no Service Entry found for MTM aMtm

	if (aFirstId == KMsvNullIndexEntryId)

		User::Leave(KErrNotFound);

	}

/**

Populates a message index.

The input data is used to set the fields in supplied message index. The affected

fields are the entry type, MTM, entry date, Service ID and error fields. The

date field is set from the time information in the aMessage argument.

This function can be used as part of the process when creating SMS messages in

the message store.

@param	aEntry

An input/output argument with the index entry to populate.

@param	aMessage

The SMS message object for the index entry.

@param	aServiceId

The Service ID for the message.

@param	aMtm

The specified MTM. This has a default value of KUidMsgTypeSMS.

*/

EXPORT_C void TSmsUtilities::PopulateMsgEntry(TMsvEntry& aEntry, const CSmsMessage& aMessage, TMsvId aServiceId, TUid aMtm)

	{

	aEntry.iType		= KUidMsvMessageEntry;

	aEntry.iMtm			= aMtm;

	aEntry.iDate		= aMessage.Time();

	aEntry.iServiceId	= aServiceId;

	aEntry.iError		= KErrNone;

	}

/**

Populates a message index.

The input data is used to set the fields in supplied message index. The affected

fields are the entry type, MTM, entry date, Service ID and error fields. The

date field is either set from the time information in the aMessage argument or from

the service center timestamp in the PDU depending on the associated SMS setting.

This function can be used as part of the process when creating SMS messages in

the message store.

@param	aEntry

An input/output argument with the index entry to populate.

@param	aMessage

The SMS message object for the index entry.

@param	aServiceId

The Service ID for the message.

@param	aSettings

The settings for the SMS account.

@param	aMtm

The specified MTM. This has a default value of KUidMsgTypeSMS.

*/

EXPORT_C void TSmsUtilities::PopulateMsgEntry(TMsvEntry& aEntry, const CSmsMessage& aMessage, TMsvId aServiceId, const CSmsSettings& aSettings, TUid aMtm)

	{

	TSmsUtilities::PopulateMsgEntry(aEntry, aMessage, aServiceId, aMtm);

	if (aSettings.UseServiceCenterTimeStampForDate())

		{

		const CSmsPDU& pdu = aMessage.SmsPDU();

		TTime time = 0;

		TInt gmtOffset = 0;

		if (pdu.Type() == CSmsPDU::ESmsDeliver)

			{

			CSmsDeliver& smsDeliver =

				const_cast<CSmsDeliver&>(static_cast<const CSmsDeliver&>(pdu));

			smsDeliver.ServiceCenterTimeStamp(time, gmtOffset);

			}

		else if (pdu.Type() == CSmsPDU::ESmsStatusReport)

			{

			CSmsStatusReport& smsStatusReport =

				const_cast<CSmsStatusReport&>(static_cast<const CSmsStatusReport&>(pdu));

			smsStatusReport.ServiceCenterTimeStamp(time, gmtOffset);

			}

		if (time > 0)

			{

			aEntry.iDate = time;

			}

		}

	}

/**

Get the SMS message recipient/sender details.

The recipient/sender telephone number is extracted from the supplied message

object. If the recipient/sender telephone number appears uniquely in the contacts

database then the family name and given name contact details are set into the

output argument aDetails in the format specified by the resource item

R_SENDER_NAME_FORMAT. The buffer limit specified by aMaxLength is observed.

If there is not a unique contact entry for the recipient/sender telephone number

then aDetails will contain the orginally telephone number.

@param	aFs

A connected file server session.

@param	aMessage

The message object with the recipient/sender telephone number.

@param	aDetails

The output argument to contain the message details.

@param	aMaxLength

The maximum length of the supplied buffer in aDetails.

@return

KErrNotSupported if the message is not of type SMS-SUBMIT, SMS-DELIVER or SMS-STATUS-REPORT.

KErrArgument if the telephone number is invalid.

KErrNotFound if a contact could not be found.

KErrAlreadyExists if more than one contact entry found.

KErrNone if details is obtained successfully.

*/

EXPORT_C TInt TSmsUtilities::GetDetails(RFs& aFs, const CSmsMessage& aMessage, TDes& aDetails, TInt aMaxLength)

	{

	__ASSERT_DEBUG( aMaxLength <= aDetails.MaxLength(), User::Invariant() );

	if (aMaxLength > aDetails.MaxLength())

		{

		aMaxLength = aDetails.MaxLength();

		}

	aDetails.Zero();

	TPtrC fromAddress;

	switch (aMessage.SmsPDU().Type())

		{

		case CSmsPDU::ESmsSubmit:

		case CSmsPDU::ESmsDeliver:

		case CSmsPDU::ESmsStatusReport:

			fromAddress.Set(aMessage.SmsPDU().ToFromAddress());

			break;

		default:

			return KErrNotSupported;

		}

	return GetDetails(aFs, fromAddress, aDetails, aMaxLength);

	}

/**

Get the SMS message recipient/sender details.

The recipient/sender telephone number is searched for in the contacts database.

If a unique match is found then the family name and given name contact details

are set into the output argument aDetails in the format specified by the

resource item R_SENDER_NAME_FORMAT. The buffer limit specified by aMaxLength is

observed.

If a unique match is not found or the supplied telephone number is invalid, then

aDetails will contain the orginally telephone number.

@param	aFs

A connected file server session.

@param	aFromAddress

The recipient/sender telephone number.

@param	aDetails

The output argument to contain the message details.

@param	aMaxLength

The maximum length of the supplied buffer in aDetails.

@return

KErrArgument if aFromAddress is not a valid GSM number.

KErrNotFound if a contact could not be found.

KErrAlreadyExists if more than one contact entry found.

KErrNone if details is obtained successfully.

*/

EXPORT_C TInt TSmsUtilities::GetDetails(RFs& /*aFs*/, const TDesC& aFromAddress, TDes& aDetails, TInt aMaxLength)

	{

	__ASSERT_DEBUG( aMaxLength <= aDetails.MaxLength(), User::Invariant() );

	if (aMaxLength > aDetails.MaxLength())

		{

		aMaxLength = aDetails.MaxLength();

		}

	if ( (aDetails.Length() == 0) )

		{

		if (aFromAddress.Length() <= aMaxLength)

			{

			aDetails = aFromAddress;

			aDetails.Trim();

			}

		else

			{

			// Truncate aFromAddress so that it fits into aDetails.

			aDetails = aFromAddress.Left(aMaxLength);

			aDetails.Trim();

			}

		}

	return KErrNone;

	}

/**

Get the SMS message description.

If the message is Special Message Indication SMS then the description will

contain the appropriate localised text for the indication.

If the message is a Status Report then the description will contain the

appropriate localised text for a Status Report.

If the message is a standard text message the description will contain the

beginning section of the SMS message text itself.

In all cases the buffer limit specified by aMaxLength is observered.

@param	aMessage

The SMS message object.

@param	aDescription

The output argument for the description.

@param	aMaxLength

The maximum length of the supplied buffer in aDescription.

@return

An error code if the localised text for a SMS-STATUS-REPORT message could not be

obtained. Otherwise KErrNone is returned.

*/

EXPORT_C TInt TSmsUtilities::GetDescription(const CSmsMessage& aMessage, TDes& aDescription, TInt aMaxLength)

	{

	__ASSERT_DEBUG( aMaxLength <= aDescription.MaxLength(), User::Invariant() );

	if (aMaxLength > aDescription.MaxLength())

		{

		aMaxLength = aDescription.MaxLength();

		}

	aDescription.Zero();

	TBool gotDescription = EFalse;

	TRAPD(err, gotDescription = DoGetDescriptionL(aMessage, aDescription, aMaxLength));

	if(err != KErrNone || !gotDescription)

		ExtractDescriptionFromMessage(aMessage, aDescription, aMaxLength);

	return KErrNone;

	}

/**

Opens and returns the SMS client MTM resource file.

It is the responsibility of the caller to ensure that the resource file is

closed once it is no longer required.

@param	aFs

A connected file server session.

@return

The opened resource file.

*/

EXPORT_C RResourceFile TSmsUtilities::OpenResourceFileL(RFs& aFs)

	{

	TFileName fileName(KSmsResourceFile);

	MsvUtils::AddPathAndExtensionToResFileL(fileName);

 	BaflUtils::NearestLanguageFile(aFs, fileName);

	RResourceFile resFile;

	resFile.OpenL(aFs, fileName);

	return resFile;

	}

/**

Reads the resource specified by aResourceId from the supplied resource file.

The resource is returned in the output argument aString. The supplied resource

file must be open or this function will leave.

@param	aResourceFile

The opened resource file to read the resource from.

@param	aResourceId

The ID of the resource that is required.

@param	aString

An output buffer into which the read resource is placed.

@leave	KErrOverflow

The length of the resource string is greater than the maximum allowed.

*/

EXPORT_C void TSmsUtilities::ReadResourceStringL(RResourceFile aResourceFile, TInt aResourceId, TDes& aString)

	{

	HBufC8* buf = aResourceFile.AllocReadLC(aResourceId);

	TResourceReader reader;

	reader.SetBuffer(buf);

	TPtrC resString = reader.ReadTPtrC();

	if (resString.Length() <= aString.MaxLength())

		{ 

		aString.Copy(resString);

		}

	else

		{

		User::Leave(KErrOverflow);

		}

	CleanupStack::PopAndDestroy(buf);

	}

void TSmsUtilities::CompareEntryL(const TMsvEntry& aEntry, TUid aMtm, TMsvId& aFirstId, CMsvEntrySelection* aServiceIds)

	{

	if (aEntry.iType == KUidMsvServiceEntry && aEntry.iMtm == aMtm)

		{

		const TMsvId id = aEntry.Id();

		if (aFirstId == KMsvNullIndexEntryId)

			aFirstId = id;

		if (aServiceIds)

			aServiceIds->AppendL(id);

		}

	}

TBool TSmsUtilities::ValidGsmNumber(const TDesC& aTelephone)

	{

	// Returns ETrue if

	//	aTelephone is not zero length; and