// Copyright (c) 2005-2009 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:

//

#include <e32uid.h>

#include <bautils.h>

#include <barsread2.h>

#include <baspi.h>

#include <ecom/ecomerrorcodes.h>

#include "Discoverer.h"

#include "EComEntryBase.h"

#include "EComUidCodes.h"

#include "DriveInfo.h"

const TInt KEcomResourceIndex=1;

const TInt KEComDllExtensionLength=4;

CPluginBase::CPluginBase():CBase()

{

}

CPluginBase::~CPluginBase()

{

	delete iDllName;

	delete iRscFile;

}

//

CSecurePlugin::CSecurePlugin(const TEntry& aEntry):CPluginBase()

{

	//only needs to copy the modified time here and construct the dll name

	iDllModifiedTime=aEntry.iModified;

}

CSecurePlugin* CSecurePlugin::NewL(RFs& aFs,const TEntry& aEntry,const TDriveName& aDriveName, TBool aIsRO)

{

	CSecurePlugin* self=new (ELeave) CSecurePlugin(aEntry);

	CleanupStack::PushL(self);

	self->ConstructL(aFs,aEntry,aDriveName, aIsRO);

	CleanupStack::Pop();

	return self;

}

void CSecurePlugin::ConstructL(RFs& aFs,const TEntry& aEntry,const TDriveName& aDriveName, TBool aIsRO)

{

	TInt resourceNameOnlyLength=aEntry.iName.Length()-KExtensionLength;

	TPtrC resourceNameOnly(aEntry.iName.Left(resourceNameOnlyLength));

	//constructing the dll file name	

	iDllName=HBufC::NewL(KEComDllExtensionLength+resourceNameOnlyLength);

	TPtr namePtr=iDllName->Des();

	namePtr.Append(resourceNameOnly);

	namePtr.Append(KDllExtension);	

	//Constructing the rsc file name

	TFileName rscFileName;

	rscFileName.Append(aDriveName);

	rscFileName.Append(KResourcePlugins);

	rscFileName.Append(resourceNameOnly);

	rscFileName.Append(KRscExtension);

	//Construct the CResourceFile

	BaflUtils::NearestLanguageFile(aFs,rscFileName);

	iRscFile=CResourceFile::NewL(aFs,rscFileName,0,0);

	//Now get the secure id from resource and store in iDllThirdUid

	//In addition, store the correct Interface Implementation Collection Uid in iDllSecondUid

	RResourceReader theReader;

	theReader.OpenLC(iRscFile,KEcomResourceIndex);

	const TUid uid={theReader.ReadInt32L()};

	if (uid == KUidEComResourceFormatV3)		

		{

		// If the resource format is version 3, then the dll type must

		// be of type "plugin3".

		iDllSecondUid = KUidInterfaceImplementationCollection3;

		}

	else

		{

		iDllSecondUid = KUidInterfaceImplementationCollection;	

		}

	if (uid==KUidEComResourceFormatV2 || uid==KUidEComResourceFormatV3)

		{

		iDllThirdUid.iUid=theReader.ReadInt32L();

		}

	else

		iDllThirdUid=uid;

	//Construct resource file extension

	if(!aIsRO)

		{

		// rscFileName is sane so we can use TParsePtrC instead of TParse

		TParsePtrC fileNameParser(rscFileName);

		TPtrC fileNameParserPtr = fileNameParser.Ext();

		iRscFileExt = fileNameParserPtr.AllocL();

		}

	//Perform cleanup now

	CleanupStack::PopAndDestroy(&theReader);

}

CSecurePlugin::~CSecurePlugin()

{

	delete iRscFileExt;

}

//	

CSpiPlugin::CSpiPlugin():CPluginBase()

{

}

CSpiPlugin* CSpiPlugin::NewL(RResourceArchive& aRscArchive)

{

	CSpiPlugin* self=new (ELeave) CSpiPlugin();

	CleanupStack::PushL(self);

	self->ConstructL(aRscArchive);

	CleanupStack::Pop();

	return self;

}

void CSpiPlugin::ConstructL(RResourceArchive& aRscArchive)

{

	HBufC* resourceName = NULL;

	iRscFile=aRscArchive.NextL(resourceName);

	CleanupStack::PushL(resourceName);

	//Now set the iDllName

	iDllName=HBufC::NewL(KEComDllExtensionLength+resourceName->Length());

	TPtr namePtr(iDllName->Des());	

	namePtr.Append(*resourceName);

	namePtr.Append(KDllExtension);

	//Now get the secure id from resource and store the uid in iDllThirdUid

	RResourceReader theReader;

	theReader.OpenLC(iRscFile,KEcomResourceIndex);

	const TUid uid={theReader.ReadInt32L()};

	if (uid == KUidEComResourceFormatV3)		

		{

		// If the resource format is version 3, then the dll type must

		// be of type "plugin3".

		iDllSecondUid = KUidInterfaceImplementationCollection3;

		}

	else

		{

		iDllSecondUid = KUidInterfaceImplementationCollection;		

		}

	TUid dllUid;	

	if (uid==KUidEComResourceFormatV2 || uid==KUidEComResourceFormatV3)

		{

		dllUid.iUid=theReader.ReadInt32L();

		}

	else

		dllUid=uid;

	iDllThirdUid=dllUid;

	CleanupStack::PopAndDestroy(&theReader);

	//Now perform the necessary cleanup

	CleanupStack::PopAndDestroy(resourceName);

}