// Copyright (c) 1997-2010 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:

//

#include <s32mem.h>

#include "ImageResolverAPI.h"

#include "../inc_pub/icl/ICL_PropertyUIDS.h"

const TInt KMaxDescriptorLength = 128;	// The biggest descriptor that will be

										// built when internalizing the object

/*

 *

 * Default constructor

 *

 */

CCustomMatchData::CCustomMatchData()

	{

	}

/*

 *

 * Default destructor

 *

 */

CCustomMatchData::~CCustomMatchData()

	{

	delete iMatchString;

	delete iFileSuffix;

	iMatchReqUidsArray.Close();

	iOptionsUidsArray.Close();

	}

/*

 *

 * Standard, safe constructor that leaves nothing on the cleanup stack

 *

 * @return "CCustomMatchData*"

 *         A pointer to the newly constructed match data object

 *

 */

CCustomMatchData* CCustomMatchData::NewL()

	{

	CCustomMatchData* self = CCustomMatchData::NewLC();

	CleanupStack::Pop(self); 

	return self;

	}

/*

 *

 * Standard, safe constructor that leaves nothing on the cleanup stack

 *

 * @param  "const TDesC8& aPackage"

 *		   A reference to a descriptor created using <code>PackL()</code>

 *         used to initialize the object.

 * @return "CCustomMatchData*"

 *         A pointer to the newly constructed match data object

 *

 */

CCustomMatchData* CCustomMatchData::NewL(const TDesC8& aPackage)

	{

	CCustomMatchData* self = CCustomMatchData::NewLC(aPackage);

	CleanupStack::Pop(self);

	return self;

	}

/*

 *

 * Standard, safe constructor that leaves the pointer to the newly constructed

 * match data object on the cleanup stack

 *

 * @return	"CCustomMatchData*"

 *			A pointer to the newly constructed match data object

 *

 */

CCustomMatchData* CCustomMatchData::NewLC()

	{

	CCustomMatchData* self = new(ELeave) CCustomMatchData;

	CleanupStack::PushL(self);

    return self;

	}

/*

 *

 * Standard, safe constructor that leaves the pointer to the newly constructed

 * match data object on the cleanup stack

 *

 * @param	"const TDesC8& aPackage"

 *			A reference to a descriptor created using <code>PackL()</code>

 *			used to initialize the object.

 * @return	"CCustomMatchData*"

 *			A pointer to the newly constructed match data object

 *

 */

CCustomMatchData* CCustomMatchData::NewLC(const TDesC8& aPackage)

	{

	CCustomMatchData* self = new(ELeave) CCustomMatchData;

	CleanupStack::PushL(self);

	self->ConstructL(aPackage);

    return self;

	}

void CCustomMatchData::ConstructL(const TDesC8& aPackage)

	{

	UnPackL(aPackage);

	}

/*

 *

 * Externalize the object to a stream.

 * All the member variables will be written to the stream, and if no MatchString

 * is provided a null descriptor is used. The stream must be able to accomodate 

 * the streaming operation or it will leave with <code>KErrOverFlow</code>.

 *

 * @param	"RWriteStream& aStream"

 *          A reference to the stream to which the member variables will

 *          be written.

 *

 */

void CCustomMatchData::ExternalizeL(RWriteStream& aStream) const

	{

	aStream.WriteInt32L(iMatchType);

	aStream.WriteInt32L(iBaseType.iUid);

	aStream.WriteInt32L(iSubType.iUid);

	aStream.WriteInt32L(iImplementationType.iUid);

	aStream.WriteInt32L(iMatchReqUidsArray.Count());

	for (TInt index = 0; index < iMatchReqUidsArray.Count(); index++)

		{

		aStream.WriteInt32L((iMatchReqUidsArray[index]).iUid);

		}

	// if Match String is not used send empty descriptor

	if (iMatchString)

		aStream << *iMatchString;

	else

		aStream << KNullDesC8;

	// if File Suffix is not used send empty descriptor

	if (iFileSuffix)

		aStream << *iFileSuffix;

	else

		aStream << KNullDesC8;

	aStream.WriteInt32L(iExtensionOptions);

	aStream.WriteInt32L(iOptionsUidsArray.Count());

	for (TInt index = 0; index < iOptionsUidsArray.Count(); index++)

		{

		aStream.WriteInt32L((iOptionsUidsArray[index]).iUid);

		}

	aStream.WriteInt32L(iOptions);

	}

/*

 *

 * Internalize the object from a stream.

 * All the member variables will be read from the streamed.

 * If there is not enougth data in the stream or it will 

 * leave with <code>KErrEof</code>.

 *

 * @param	"RReadStream& aStream"

 *          A reference to the stream from which data will be read to

 *          setup the member variables.

 *

 */

void CCustomMatchData::InternalizeL(RReadStream& aStream)

	{

	iMatchType      = STATIC_CAST(TResolverMatchType, aStream.ReadInt32L());

	iBaseType.iUid  = aStream.ReadInt32L();

	iSubType.iUid   = aStream.ReadInt32L();

	iImplementationType.iUid = aStream.ReadInt32L();

	TInt matchReqUidsCount = aStream.ReadInt32L();

	if (matchReqUidsCount > 0)

		{

		iMatchReqUidsArray.Reset();

		for (TInt index = 0; index < matchReqUidsCount; index++)

			{			

			User::LeaveIfError(iMatchReqUidsArray.Append(TUid::Uid(aStream.ReadInt32L())));

			}

		}

	delete iMatchString; iMatchString = NULL;

	iMatchString = HBufC8::NewL(aStream, KMaxDescriptorLength); //KErrOverflow

	delete iFileSuffix; iFileSuffix = NULL;

	iFileSuffix = HBufC::NewL(aStream, KMaxDescriptorLength); //KErrOverflow

	iExtensionOptions = aStream.ReadInt32L();

	TInt optionsUidsCount = aStream.ReadInt32L();

	if (optionsUidsCount > 0)

		{

		iOptionsUidsArray.Reset();

		for (TInt index = 0; index < optionsUidsCount; index++)

			{			

			User::LeaveIfError(iOptionsUidsArray.Append(TUid::Uid(aStream.ReadInt32L())));

			}

		}

	iOptions = aStream.ReadInt32L();

	}

/*

 *

 * Set a string to match against.

 *

 * @param	"const TDesC8& aMIMEType"

 *          A reference to a descriptor to match against.

 *

 */

void CCustomMatchData::SetMatchStringL(const TDesC8& aMIMEType)

	{

	delete iMatchString; iMatchString = NULL;

	iMatchString = aMIMEType.AllocL();

	}

/*

 *

 * Sets the match type, base type and sub type to match against

 *

 * @param	"const TResolverMatchType& aMatchType"

 *			The type of match requested.

 * @param	"const TUid& aBaseType"

 *			The base type to match against

 * @param	"const TUid& aSubType"

 *			The sub type to match against

 *

 */

void CCustomMatchData::SetTypes(const TResolverMatchType& aMatchType, const TUid& aBaseType, const TUid& aSubType)

	{

	iMatchType = aMatchType;

	iBaseType  = aBaseType;

	iSubType   = aSubType;

	}

/*

 *

 * Sets the match type to match against

 *

 * @param	"const TResolverMatchType& aMatchType"

 *			The type of match requested.

 *

 */

void CCustomMatchData::SetMatchType(const TResolverMatchType& aMatchType)

	{

	iMatchType = aMatchType;

	}

/*

 *

 * Sets the base type to match against

 *

 * @param	"const TUid& aBaseType"

 *			The base type to match against

 *

 */

void CCustomMatchData::SetBaseType(const TUid& aBaseType)

	{

	iBaseType  = aBaseType;

	}

/*

 *

 * Sets the sub type to match against

 *

 * @param	"const TUid& aSubType"

 *			The sub type to match against

 *

 */

void CCustomMatchData::SetSubType(const TUid& aSubType)

	{

	iSubType   = aSubType;

	}

/*

 *

 * Sets the implementation type to match against

 *

 * @param	"const TUid& aImplementationType"

 *			The implementation uid of a specific codec to match against

 *

 */

void CCustomMatchData::SetImplementationType(const TUid& aImplementationType)

	{

	iImplementationType = aImplementationType;

	}

/*

 *

 * Set a file extension to match against.

 *

 * @param	"const TDesC8& aFileSuffix"

 *          A reference to a file suffix to match against.

 *

 */

void CCustomMatchData::SetFileSuffixL(const TDesC& aFileSuffix)

	{

	delete iFileSuffix; iFileSuffix = NULL;

	iFileSuffix = aFileSuffix.AllocL();

	}

/*

 *

 * Retrieves the match type, base type and sub type to match against

 *

 * @param	"TResolverMatchType& aMatchType"

 *			The type of match requested.

 * @param	"TUid& aBaseType"

 *			The base type to match against

 * @param	"TUid& aSubType"

 *			The sub type to match against

 *

 */

void CCustomMatchData::GetTypes(TResolverMatchType& aMatchType, TUid& aBaseType, TUid& aSubType) const

	{

	aMatchType = iMatchType;

	aBaseType  = iBaseType;

	aSubType   = iSubType;

	}

/*

 *

 * Retrieves the match type to match against

 *

 * @return	"TResolverMatchType"

 *			The type of match requested.

 *

 */

TResolverMatchType CCustomMatchData::MatchType() const

	{

	return iMatchType;

	}

/*

 *

 * Retrieves the base type to match against

 *

 * @return	"TUid"

 *			The base type to match against

 *

 */

TUid CCustomMatchData::BaseType() const

	{

	return iBaseType;

	}

/*

 *

 * Retrieves the sub type to match against

 *

 * @return	"TUid"

 *			The sub type to match against

 *

 */

TUid CCustomMatchData::SubType() const

	{

	return iSubType;

	}

/*

 *

 * Retrieves the implementation type to match against

 *

 * @return	"TUid"

 *			The implementation of a specific codec to match against

 *

 */

TUid CCustomMatchData::ImplementationType() const

	{

	return iImplementationType;

	}

/*

 *

 * Retrieves the string to match against. If no string is set

 * a null descriptor is returned.

 *

 * @return	"TPtrC8"

 *			The string to match against

 *

 */

const TPtrC8 CCustomMatchData::MatchString() const

	{

	TPtrC8 result;

	if(iMatchString)

		result.Set(*iMatchString);

	else

		result.Set(KNullDesC8);

	return result;

	}

/*

 *

 * Retrieves the file extension to match against. If no suffix is set

 * a null descriptor is returned.

 *

 * @return	"TPtrC8"

 *			The file suffix to match against

 *

 */

const TPtrC CCustomMatchData::FileSuffix() const

	{

	TPtrC result;

	if(iFileSuffix)

		result.Set(*iFileSuffix);

	else

		result.Set(KNullDesC);

	return result;

	}

/* Used to package up the object into a descriptor so

 * that it can be placed in the <code>DataType</code> descriptor of a

 * <code>TEComResolverParams</code> before being passed across the client

 * server boundary within ECom and handed to the custom resolver.

 *

 * @return	"const HBufC8*"

 *			A pointer to a desctriptor with the object packed in it.

 *			The object does not take responsibility for the pointer

 *			and the external code must ensure that the pointer is deleted.

 *			The pointer is left on the cleanupstack.	

 *

 */

HBufC8* CCustomMatchData::NewPackLC() const

	{

	//Calculate the size necessary size for the descriptor to pack the object

	TInt size = 0;

	if(iMatchString)

		size = iMatchString->Size();

	if(iFileSuffix)

		size += iFileSuffix->Size();

	size += iMatchReqUidsArray.Count() * sizeof(TUid);

	size += iOptionsUidsArray.Count() * sizeof(TUid);

	size += 9 * sizeof(TInt32);	// The size necessary for 

								//		iMatchType

								//		iBaseType

								//		iSubType

								//		iInterfaceUid

								//		iMatchReqUidsArray.Count()

								// and the size of the descriptor (Max TInt32)

								//		iExtensionOptions

								//		iOptionsUidsArray.Count()

								//		iOptions

	HBufC8* package = HBufC8::NewLC(size);

	TPtr8   packageDes = package->Des();

	RDesWriteStream stream(packageDes);

	ExternalizeL(stream);

	stream.Close();

	return package;

	}

/* Used to unpack a descriptor packed using <code>PackL()</code> and set the

 * member variables to the data contained in the descriptor. The descriptor 

 * is passed to the custom resolver by ECom and can be retrieved from the <code>DataType</code> 

 * of <code>TEComResolverParams</code>.

 *

 * @param	"const TDes8& aPackage"

 *			A reference to a desctriptor created using <code>PackL()</code> to which

 *			the member variables will be set.

 *

 */

void CCustomMatchData::UnPackL(const TDesC8& aPackage)

	{

	RDesReadStream stream(aPackage);

	InternalizeL(stream);

	stream.Close();

	}

/* Sets the array of required uids by copying all the elements of the array in parameter,

 * so the custom match data doesn't take ownership of the array specified.

 *

 * @param	"const RUidDataArray& aMatchReqUidsArray"

 *			The new required uids array.

 *

 */

void CCustomMatchData::SetMatchReqUidsL(const RUidDataArray& aMatchReqUidsArray)

	{

	iMatchReqUidsArray.Reset();

	for(TInt index = 0 ; index < aMatchReqUidsArray.Count() ; index++)

		{

		User::LeaveIfError(iMatchReqUidsArray.Append(aMatchReqUidsArray[index]));

		}

	}

/* Gets the array of required uids by copying all the elements of the member data array

 * in the array in parameter.

 *

 * @param	"RUidDataArray& aMatchReqUidsArray"

 *			The new required uids array to copy data to.

 *

 */

void CCustomMatchData::GetMatchReqUidsL(RUidDataArray& aMatchReqUidsArray)

	{

	aMatchReqUidsArray.Reset();

	for(TInt index = 0 ; index < iMatchReqUidsArray.Count() ; index++)

		{

		User::LeaveIfError(aMatchReqUidsArray.Append(iMatchReqUidsArray[index]));

		}

	}

/* Gets the array of required options uids by copying all the elements of the member data array

 * in the array in parameter.

 *

 * @param	"RUidDataArray& aOptionsUidsArray"

 *			The new required options uids array to copy data to.

 *

 */

void CCustomMatchData::GetOptionsUidsL(RUidDataArray& aOptionsUidsArray)

	{

	aOptionsUidsArray.Reset();