/*

* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

* RSoftwareComponentRegistry implementation. See class and function 

* declarations for more detail.

*

*/

#include "scr.h"

#include "scrclient.inl"

#include "scrcommon.h"

#include "usiflog.h"

#include "scr_internal.h"

#include <e32cmn.h>

#include <scs/streamingarray.h>

#include <scs/scscommon.h>

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include "screntries_internal.h"

#endif //SYMBIAN_ENABLE_SPLIT_HEADERS

using namespace Usif;

TInt RSoftwareComponentRegistry::SendSyncMessage(TInt aFunction, const TIpcArgs& aArgs) const

	{

	return CallSessionFunction(aFunction, aArgs);

	}

EXPORT_C RSoftwareComponentRegistry::RSoftwareComponentRegistry()

	:	RScsClientBase()

	{

	// empty

	}

EXPORT_C TInt RSoftwareComponentRegistry::Connect()

	{

	DEBUG_PRINTF2(_L("Connecting to %S."), &KSoftwareComponentRegistryName);

	TVersion version = ScrServerVersion();

	TUidType scrFullUid = ScrServerImageFullUid();

	return RScsClientBase::Connect(KSoftwareComponentRegistryName(), version, KScrServerImageName(), scrFullUid);

	}

EXPORT_C void RSoftwareComponentRegistry::Close()

	{

	DEBUG_PRINTF2(_L("Closing connection to %S."), &KSoftwareComponentRegistryName);

	RScsClientBase::Close();

	}

EXPORT_C void RSoftwareComponentRegistry::CreateTransactionL()

	{

	DEBUG_PRINTF(_L("Sending Create Transaction request."));

	User::LeaveIfError(CallSessionFunction(ECreateTransaction));

	}

EXPORT_C void RSoftwareComponentRegistry::RollbackTransactionL()

	{

	DEBUG_PRINTF(_L("Sending Rollback Transaction request."));

	User::LeaveIfError(CallSessionFunction(ERollbackTransaction));

	}

EXPORT_C void RSoftwareComponentRegistry::CommitTransactionL()

	{

	DEBUG_PRINTF(_L("Sending Commit Transaction request."));

	User::LeaveIfError(CallSessionFunction(ECommitTransaction));

	}

EXPORT_C TComponentId RSoftwareComponentRegistry::AddComponentL(const TDesC& aName, const TDesC& aVendor, const TDesC& aUniqueSwTypeName, const TDesC* aGlobalId, TScrComponentOperationType aCompOpType)

	{

	DEBUG_PRINTF3(_L("Sending add a new component ('%S','%S') request."), &aName, &aVendor);

	CLocalizableComponentInfo *cmpInfo = CLocalizableComponentInfo::NewLC(aName, aVendor, KNonLocalized);

	RPointerArray<CLocalizableComponentInfo> cmpInfoList;

	cmpInfoList.AppendL(cmpInfo);

	CleanupStack::Pop(cmpInfo);

	CleanupResetAndDestroyPushL(cmpInfoList);

	TComponentId compId = AddComponentL(cmpInfoList, aUniqueSwTypeName, aGlobalId, aCompOpType);

	CleanupStack::PopAndDestroy(&cmpInfoList);

	return compId;

	}

EXPORT_C TComponentId RSoftwareComponentRegistry::AddComponentL(const RPointerArray<CLocalizableComponentInfo>& aComponentInfo, const TDesC& aUniqueSwTypeName, const TDesC* aGlobalId, TScrComponentOperationType aCompOpType)

	{

	if(!aComponentInfo.Count())

		{

		DEBUG_PRINTF(_L("The localizables component info array is empty!."));

		User::Leave(KErrArgument);

		}

	DEBUG_PRINTF(_L("Sending add a new component request with a set of localizable names."));

	TComponentId compId = static_cast<TComponentId>(aCompOpType);

	// compId variable carries the component operation type to the SCR server.

	// On return, it will contain the actual component Id value.

	TPckg<TComponentId> compIdPckg(compId);

	HBufC8* arrayBuf = ExternalizePointersArrayLC(aComponentInfo);

	const TDesC *globalId = aGlobalId ? aGlobalId : &KNullDesC();

	TIpcArgs args(&aUniqueSwTypeName, arrayBuf, globalId, &compIdPckg);

	User::LeaveIfError(CallSessionFunction(EAddComponent, args));

	CleanupStack::PopAndDestroy(arrayBuf);

	return compId;

	}

template <class C>

void RSoftwareComponentRegistry::SendDependencyArgsL(TInt aFunction, const C& aSupplierId, const CGlobalComponentId& aDependantGlobalCompId)

	{

	RBuf8 suppVerCompId;

	suppVerCompId.CleanupClosePushL();

	ExternalizeObjectL(&aSupplierId, suppVerCompId);

	RBuf8 depGlobalId;

	depGlobalId.CleanupClosePushL();

	ExternalizeObjectL(&aDependantGlobalCompId, depGlobalId);

	// Send the software type of the dependant component seperately in order to apply custom security check properly on the server side.

	TIpcArgs args(&aDependantGlobalCompId.SoftwareTypeName(),&suppVerCompId, &depGlobalId);

	User::LeaveIfError(CallSessionFunction(aFunction, args));

	CleanupStack::PopAndDestroy(2, &suppVerCompId); // suppVerCompId, depGlobalId

	}

EXPORT_C void RSoftwareComponentRegistry::AddComponentDependencyL(const CVersionedComponentId& aSupplierVerCompId, const CGlobalComponentId& aDependantGlobalCompId)

	{

	DEBUG_PRINTF3(_L("Sending a request to add a new dependency between two components (%S depends on %S)."), &aDependantGlobalCompId.GlobalIdName(), &aSupplierVerCompId.GlobalId().GlobalIdName());

	SendDependencyArgsL(EAddComponentDependency, aSupplierVerCompId, aDependantGlobalCompId);

	}

EXPORT_C void RSoftwareComponentRegistry::SetComponentPropertyL(TComponentId aComponentId, const TDesC& aName, const TDesC8& aValue)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the binary property(%S) of the component(%d)."), &aName, aComponentId);

	TIpcArgs args(aComponentId, &aName, &aValue);

	User::LeaveIfError(CallSessionFunction(ESetComponentBinaryProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetComponentPropertyL(TComponentId aComponentId, const TDesC& aName, const TDesC& aValue, TLanguage aLocale)

	{

	DEBUG_PRINTF4(_L("Sending a request to set the string property(%S,%S) of the component(%d)."), &aName, &aValue, aComponentId);

	TIpcArgs args(aComponentId, &aName, &aValue, aLocale);

	User::LeaveIfError(CallSessionFunction(ESetComponentLocalizableProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetComponentPropertyL(TComponentId aComponentId, const TDesC& aName, TInt64 aValue)

	{

	DEBUG_PRINTF4(_L("Sending a request to set the numeric property(%S,%Ld) of the component(%d)."), &aName, aValue, aComponentId);

	TIpcArgs args(aComponentId, &aName, I64HIGH(aValue), I64LOW(aValue));

	User::LeaveIfError(CallSessionFunction(ESetComponentNumericProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::RegisterComponentFileL(TComponentId aComponentId, const TDesC& aFileName, TBool aConsiderForInstalledDrives /*= ETrue*/ )

	{

	DEBUG_PRINTF4(_L("Sending a request to register the file(%S) for the component(%d). ConsiderFilesInDriveList:%d"), &aFileName, aComponentId, aConsiderForInstalledDrives);

	TIpcArgs args(aComponentId, &aFileName, aConsiderForInstalledDrives);

	User::LeaveIfError(CallSessionFunction(ERegisterComponentFile, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetFilePropertyL(TComponentId aComponentId, const TDesC& aFileName, const TDesC& aPropName, const TDesC8& aPropValue)

	{

	DEBUG_PRINTF4(_L("Sending a request to set the string property(%S) of the file(%S) of the component(%d)."), &aPropName, &aFileName, aComponentId);

	TIpcArgs args(aComponentId, &aFileName, &aPropName, &aPropValue);

	User::LeaveIfError(CallSessionFunction(ESetFileStringProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetFilePropertyL(TComponentId aComponentId, const TDesC& aFileName, const TDesC& aPropName, TInt aPropValue)

	{

	DEBUG_PRINTF5(_L("Sending a request to set the numeric property(%S,%d) of the file(%S) of the component(%d)."), &aPropName, aPropValue, &aFileName, aComponentId);

	TIpcArgs args(aComponentId, &aFileName, &aPropName, aPropValue);

	User::LeaveIfError(CallSessionFunction(ESetFileNumericProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetComponentNameL(TComponentId aComponentId, const TDesC& aName, TLanguage aLocale)

	{

	DEBUG_PRINTF4(_L("Sending a request to update the name(%S,%d) of the component(%d)."), &aName, aLocale, aComponentId);

	TIpcArgs args(aComponentId, &aName, aLocale);

	User::LeaveIfError(CallSessionFunction(ESetComponentName, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetVendorNameL(TComponentId aComponentId, const TDesC& aVendor, TLanguage aLocale)

	{

	DEBUG_PRINTF4(_L("Sending a request to update the vendor(%S,%d) of the component(%d)."), &aVendor, aLocale, aComponentId);

	TIpcArgs args(aComponentId, &aVendor, aLocale);

	User::LeaveIfError(CallSessionFunction(ESetComponentVendor, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetComponentVersionL(TComponentId aComponentId, const TDesC& aVersion)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the version(%S) of the component(%d)."), &aVersion, aComponentId);

	TIpcArgs args(aComponentId, &aVersion);

	User::LeaveIfError(CallSessionFunction(ESetComponentVersion, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetIsComponentRemovableL(TComponentId aComponentId, TBool aValue)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the removable attribute(%d) of the component(%d)."), aValue, aComponentId);

	TIpcArgs args(aComponentId, aValue);

	User::LeaveIfError(CallSessionFunction(ESetIsComponentRemovable, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetIsComponentDrmProtectedL(TComponentId aComponentId, TBool aValue)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the DRM protected attribute(%d) of the component(%d)."), aValue, aComponentId);

	TIpcArgs args(aComponentId, aValue);

	User::LeaveIfError(CallSessionFunction(ESetIsComponentDrmProtected, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetIsComponentHiddenL(TComponentId aComponentId, TBool aValue)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the hidden attribute(%d) of the component(%d)."), aValue, aComponentId);

	TIpcArgs args(aComponentId, aValue);

	User::LeaveIfError(CallSessionFunction(ESetIsComponentHidden, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetIsComponentKnownRevokedL(TComponentId aComponentId, TBool aValue)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the known-revoked attribute(%d) of the component(%d)."), aValue, aComponentId);

	TIpcArgs args(aComponentId, aValue);

	User::LeaveIfError(CallSessionFunction(ESetIsComponentKnownRevoked, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetIsComponentOriginVerifiedL(TComponentId aComponentId, TBool aValue)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the origin-verified attribute(%d) of the component(%d)."), aValue, aComponentId);

	TIpcArgs args(aComponentId, aValue);

	User::LeaveIfError(CallSessionFunction(ESetIsComponentOriginVerified, args));

	}

EXPORT_C void RSoftwareComponentRegistry::SetComponentSizeL(TComponentId aComponentId, TInt64 aComponentSizeInBytes)

	{

	DEBUG_PRINTF3(_L("Sending a request to set the install-time size (%Ld) of the component(%d)."), aComponentSizeInBytes, aComponentId);

	TIpcArgs args(aComponentId, I64HIGH(aComponentSizeInBytes), I64LOW(aComponentSizeInBytes));

	User::LeaveIfError(CallSessionFunction(ESetComponentSize, args));

	}

EXPORT_C void RSoftwareComponentRegistry::DeleteComponentPropertyL(TComponentId aComponentId, const TDesC& aPropName)

	{

	DEBUG_PRINTF3(_L("Sending a request to delete the property(%S) of the component(%d)."), &aPropName, aComponentId);

	TIpcArgs args(aComponentId, &aPropName);

	User::LeaveIfError(CallSessionFunction(EDeleteComponentProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::DeleteFilePropertyL(TComponentId aComponentId, const TDesC& aFileName, const TDesC& aPropName)

	{

	DEBUG_PRINTF4(_L("Sending a request to delete the property(%S) of the file(%S) of the component(%d)."), &aPropName, &aFileName, aComponentId);

	TIpcArgs args(aComponentId, &aFileName, &aPropName);

	User::LeaveIfError(CallSessionFunction(EDeleteFileProperty, args));

	}

EXPORT_C void RSoftwareComponentRegistry::UnregisterComponentFileL(TComponentId aComponentId, const TDesC& aFileName)

	{

	DEBUG_PRINTF3(_L("Sending a request to deregister the file(%S) for the component(%d)."), &aFileName, aComponentId);

	TIpcArgs args(aComponentId, &aFileName);

	User::LeaveIfError(CallSessionFunction(EUnregisterComponentFile, args));

	}

EXPORT_C void RSoftwareComponentRegistry::DeleteComponentL(TComponentId aComponentId)

	{

	DEBUG_PRINTF2(_L("Sending a request to delete the component(%d)."), aComponentId);

	TIpcArgs args(aComponentId);

	User::LeaveIfError(CallSessionFunction(EDeleteComponent, args));

	}

EXPORT_C void RSoftwareComponentRegistry::DeleteComponentDependencyL(const CGlobalComponentId& aSupplierGlobalCompId, const CGlobalComponentId& aDependantGlobalCompId)

	{

	DEBUG_PRINTF3(_L("Sending a request to delete an existing dependency between two components (%S depends on %S)."), &aDependantGlobalCompId.GlobalIdName(), &aSupplierGlobalCompId.GlobalIdName());

	SendDependencyArgsL(EDeleteComponentDependency, aSupplierGlobalCompId, aDependantGlobalCompId);

	}

EXPORT_C TBool RSoftwareComponentRegistry::GetComponentL(TComponentId aComponentId, CComponentEntry& aEntry, TLanguage aLocale) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the entry of the component(%d)."), aComponentId);

	TIpcArgs args(aComponentId, aLocale);

	TInt argNum = 2; // size descriptor will be added to this slot

	return GetObjectL(*this, aEntry, EGetSingleComponentSize, EGetSingleComponentData, argNum, args);

	}

EXPORT_C void RSoftwareComponentRegistry::GetComponentLocalizedInfoL(TComponentId aComponentId, RPointerArray<CLocalizableComponentInfo>& aCompLocalizedInfoArray) const

    {

    DEBUG_PRINTF2(_L("Sending a request to retrieve the localized entry of the component(%d)."), aComponentId);

    TIpcArgs args(aComponentId);

    TInt argNum = 1; // size descriptor will be added to this slot

    GetObjectArrayL(*this, EGetLocalizedComponentSize, EGetLocalizedComponentData, argNum, args, aCompLocalizedInfoArray);

    }

EXPORT_C void RSoftwareComponentRegistry::GetComponentIdsL(RArray<TComponentId>& aComponentIdList, CComponentFilter* aFilter) const

	{

	RBuf8 buf;

	buf.CleanupClosePushL();

	ExternalizeObjectL(aFilter, buf);

	TIpcArgs args(&buf);

	TInt argNum = 1;

	GetObjectArrayL(*this, EGetComponentIdListSize, EGetComponentIdListData, argNum, args, aComponentIdList);

	CleanupStack::PopAndDestroy(&buf);

	}

EXPORT_C TComponentId RSoftwareComponentRegistry::GetComponentIdL(const TDesC& aGlobalIdName, const TDesC& aUniqueSwTypeName) const

	{

	DEBUG_PRINTF3(_L("Sending a request to retrieve the local component Id of a global component id (%S,%S)."), &aGlobalIdName, &aUniqueSwTypeName);

	TComponentId compId;

	TPckg<TComponentId> compIdPckg(compId);

	TIpcArgs args(&aGlobalIdName, &aUniqueSwTypeName, &compIdPckg);

	User::LeaveIfError(CallSessionFunction(EGetLocalComponentId, args));

	return compId;

	}

EXPORT_C CComponentEntry* RSoftwareComponentRegistry::GetComponentL(const TDesC& aGlobalIdName, const TDesC& aUniqueSwTypeName, TLanguage aLocale) const

	{

	DEBUG_PRINTF3(_L("Sending a request with the global id(%S,%S) to retrieve the entry of the component."), &aGlobalIdName, &aUniqueSwTypeName);

	TIpcArgs args(&aGlobalIdName, &aUniqueSwTypeName, aLocale);

	TInt argNum = 3; // size descriptor will be added to this slot

	return GetObjectL<CComponentEntry>(*this, EGetComponentWithGlobalIdSize, EGetComponentWithGlobalIdData, argNum, args);	

	}

EXPORT_C void RSoftwareComponentRegistry::GetSupplierComponentsL(const CGlobalComponentId& aDependantGlobalId, RPointerArray<CVersionedComponentId>& aSupplierList) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the supplier list of a dependant component (%S)."), &aDependantGlobalId.GlobalIdName());

	RBuf8 depGlobalId;

	depGlobalId.CleanupClosePushL();

	ExternalizeObjectL(&aDependantGlobalId, depGlobalId);

	TIpcArgs args(&depGlobalId);

	TInt argNum = 1;

	GetObjectArrayL(*this, EGetSupplierComponentsSize, EGetSupplierComponentsData, argNum, args, aSupplierList);

	CleanupStack::PopAndDestroy(&depGlobalId);

	}

EXPORT_C void RSoftwareComponentRegistry::GetDependantComponentsL(const CGlobalComponentId& aSupplierGlobalId, RPointerArray<CVersionedComponentId>& aDependantList) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the dependant list of a supplier component (%S)."), &aSupplierGlobalId.GlobalIdName());

	RBuf8 supGlobalId;

	supGlobalId.CleanupClosePushL();

	ExternalizeObjectL(&aSupplierGlobalId, supGlobalId);

	TIpcArgs args(&supGlobalId);

	TInt argNum = 1;

	GetObjectArrayL(*this, EGetDependantComponentsSize, EGetDependantComponentsData, argNum, args, aDependantList);

	CleanupStack::PopAndDestroy(&supGlobalId);

	}

EXPORT_C void RSoftwareComponentRegistry::GetFilePropertiesL(TComponentId aComponentId, const TDesC& aFileName, RPointerArray<CPropertyEntry>& aProperties) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the properties of the file(%S)."), &aFileName);

	TIpcArgs args(aComponentId, &aFileName);

	TInt argNum = 2;

	GetObjectArrayL(*this, EGetFilePropertiesSize, EGetFilePropertiesData, argNum, args, aProperties);

	}

EXPORT_C CPropertyEntry* RSoftwareComponentRegistry::GetFilePropertyL(TComponentId aComponentId, const TDesC& aFileName, const TDesC& aPropertyName) const

	{

	DEBUG_PRINTF3(_L("Sending a request to retrieve the property(%S) of the file(%S)."), &aPropertyName, &aFileName);

	TIpcArgs args(aComponentId, &aFileName, &aPropertyName);

	TInt argNum = 3;

	return GetObjectL<CPropertyEntry>(*this, EGetSingleFilePropertySize, EGetSingleFilePropertyData, argNum, args);

	}

EXPORT_C TUint RSoftwareComponentRegistry::GetComponentFilesCountL(TComponentId aComponentId) const

	{

	TUint registeredFilesNum;

	TPckg<TUint> resPckg(registeredFilesNum);

	TIpcArgs args(aComponentId, &resPckg);

	User::LeaveIfError(CallSessionFunction(EGetComponentFilesCount, args));

	return registeredFilesNum;	

	}

EXPORT_C void RSoftwareComponentRegistry::GetComponentsL(const TDesC& aFileName, RArray<TComponentId>& aComponents) const

	{

	TIpcArgs args(&aFileName);

	TInt argNum = 1;

	GetObjectArrayL(*this, EGetFileComponentsSize, EGetFileComponentsData, argNum, args, aComponents);

	}

EXPORT_C CPropertyEntry* RSoftwareComponentRegistry::GetComponentPropertyL(TComponentId aComponentId, const TDesC& aPropertyName, TLanguage aLocale) const

	{

	TIpcArgs args(aComponentId, &aPropertyName, aLocale);

	TInt argNum = 3;

	return GetObjectL<CPropertyEntry>(*this, EGetComponentSinglePropertySize, EGetComponentSinglePropertyData, argNum, args);

	}

EXPORT_C void RSoftwareComponentRegistry::GetComponentPropertiesL(TComponentId aComponentId, RPointerArray<CPropertyEntry>& aProperties, TLanguage aLocale) const

	{

	TIpcArgs args(aComponentId, aLocale);

	TInt argNum = 2;

	GetObjectArrayL(*this, EGetComponentPropertiesSize, EGetComponentPropertiesData, argNum, args, aProperties);

	}

EXPORT_C TBool RSoftwareComponentRegistry::IsMediaPresentL(TComponentId aComponentId) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the media presence status of component (%d)."), aComponentId);

	TBool result;

	TPckg<TBool> isMediaPresent(result);

	User::LeaveIfError(CallSessionFunction(EGetIsMediaPresent, TIpcArgs(aComponentId, &isMediaPresent)));	

	DEBUG_PRINTF3(_L("Received media presence status of component (%d) - result is %d."), aComponentId, result);

	return result;

	}

EXPORT_C void RSoftwareComponentRegistry::SetScomoStateL(TComponentId aComponentId, TScomoState aScomoState) const

	{

	DEBUG_PRINTF3(_L("Sending a request to set the scomo state (%d) of component(%d) at install time."), aScomoState, aComponentId);

	TIpcArgs args(aComponentId, aScomoState);

	User::LeaveIfError(CallSessionFunction(ESetScomoState, args));

	}

EXPORT_C TUid RSoftwareComponentRegistry::GetPluginUidL(const TDesC& aMimeType) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the list of plugins for mime types %S."), &aMimeType);

	TUint32 uidNum(0);

	TPckg<TUint32> uidDes(uidNum);

	TIpcArgs args(&aMimeType, &uidDes);

	User::LeaveIfError(CallSessionFunction(EGetPluginUidWithMimeType, args));

	TUid pluginUid = TUid::Uid(uidNum);

	return pluginUid;

	}

EXPORT_C TUid RSoftwareComponentRegistry::GetPluginUidL(TComponentId aComponentId) const

	{

	DEBUG_PRINTF2(_L("Sending a request to retrieve the list of plugins for the component(%d)."), aComponentId);

	TUint32 uidNum(0);

	TPckg<TUint32> uidDes(uidNum);

	TIpcArgs args(aComponentId, &uidDes);

	User::LeaveIfError(CallSessionFunction(EGetPluginUidWithComponentId, args));

	TUid pluginUid = TUid::Uid(uidNum);

	return pluginUid;

	}

EXPORT_C void RSoftwareComponentRegistry::AddSoftwareTypeL(const CSoftwareTypeRegInfo& aSwTypeRegInfo)

	{

	if(!aSwTypeRegInfo.MimeTypes().Count())

	    {

	    DEBUG_PRINTF(_L("MIME types list cannot be empty!"));

	    User::Leave(KErrArgument);

	    }

	RBuf8 buf;

	buf.CleanupClosePushL();

	ExternalizeRefObjectL(aSwTypeRegInfo, buf);

	TIpcArgs swTypeArgs(&buf);

	User::LeaveIfError(CallSessionFunction(EAddSoftwareType, swTypeArgs));

	CleanupStack::PopAndDestroy();//buf, reginfo

	}

EXPORT_C void RSoftwareComponentRegistry::DeleteSoftwareTypeL(const TDesC& aUniqueSwTypeName, RPointerArray<HBufC>& aDeletedMimeTypes)

	{

	DEBUG_PRINTF2(_L("Sending a request to delete the software type (%S)."), &aUniqueSwTypeName);

	TIpcArgs args(&aUniqueSwTypeName);

	TInt argNum = 1;

	GetObjectArrayL(*this, EDeleteSoftwareType, EGetDeletedMimeTypes, argNum, args, aDeletedMimeTypes);

	// Please note that EDeleteSoftwareType IPC function returns the size of the deleted MIME types list.

	}

EXPORT_C TBool RSoftwareComponentRegistry::IsComponentOrphanedL(TComponentId aComponentId)

	{

	DEBUG_PRINTF2(_L("Sending a request to get whether the component (%d) is orphaned."), aComponentId);

	TBool result;

	TPckg<TBool> isComponentOrphaned(result);

	User::LeaveIfError(CallSessionFunction(EGetIsComponentOrphaned, TIpcArgs(aComponentId, &isComponentOrphaned)));	

	return result;

	}

EXPORT_C void RSoftwareComponentRegistry::RetrieveLogEntriesL(RPointerArray<CScrLogEntry>& aLogEntries, const TDesC* aUniqueSwTypeName) const

	{

	DEBUG_PRINTF(_L("Sending a request to retrieve log entries."));

	// Retrieve the RFs and RFile handles from the server

	TInt fsh;          	 // File server handle (RFs - session)

	TPckgBuf<TInt> fh;   // File handle (RFile - subsession)

	fsh = CallSessionFunction(EGetLogFileHandle, TIpcArgs(&fh));   // pointer to fh in slot 0

	User::LeaveIfError(fsh);

	// Adopt the file using the returned handles

	RFile logFile;

	User::LeaveIfError(logFile.AdoptFromServer(fsh, fh()));

	CleanupClosePushL(logFile);

	RFileReadStream logStream(logFile);		 

	CleanupClosePushL(logStream);

	(void)logStream.ReadInt32L(); // skip the major version of the log file

	(void)logStream.ReadInt32L(); // skip the minor version of the log file

	TInt logCount = logStream.ReadInt32L();

	CScrLogEntry *log = NULL;

	for (TInt i = 0; i < logCount; ++i)

		{

		log = CScrLogEntry::NewLC(logStream);

		if(aUniqueSwTypeName && aUniqueSwTypeName->CompareF(log->SoftwareTypeName()))

			{ // if unique sw type name is given and the log doesn't belong to that sw type, continue.

			CleanupStack::PopAndDestroy(log);

			continue;

			}

		// Otherwise, append the log into the log entries list

		aLogEntries.AppendL(log);			

		CleanupStack::Pop(log); // Ownership is transferred 					

		} // for

	CleanupStack::PopAndDestroy(2, &logFile); // logFile, logStream

	}

TInt GetNextNumberFromVersionL(TLex& aVersion)

	{

	TInt number = KErrNotFound;

	if(aVersion.Eos())

		return number; // if the end of string has already been reached, return KErrNotFound.

	TChar c = aVersion.Peek(); // show the next character

	while(c != 0 && c != '.')

		{ // Go forward until coming across a dot or reaching the end of the string

		aVersion.Inc();

		c = aVersion.Peek();	

		}

	if(!aVersion.TokenLength())

		{// unexpected format