// 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);

 }